阅读说明：本技术 一种继电器监测装置、方法和电器设备 (Relay monitoring device and method and electrical equipment ) 是由 任鹏 何仕荣 肖振德 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种继电器监测装置、方法和电器设备,该装置包括：第一触点,被配置为控制继电器所在用电设备的负载回路的通断；第二触点,被配置为与第一触点同时动作；监测模块,被配置为获取第一触点的开关状态和第二触点的开关状态,并获取第一触点的开关次数或第二触点的开关次数；以及,根据第一触点的开关状态、第二触点的开关状态、第一触点的开关次数、以及第二触点的开关次数中的至少之一,对继电器进行监测。该方案,通过在线监测用电设备的继电器的工作状态,以根据继电器的工作状态对继电器进行故障预警,减少了带有继电器的用电设备因继电器故障所带来的维护难度。(The invention discloses a relay monitoring device, a method and electrical equipment, wherein the device comprises: the first contact is configured to control the on-off of a load loop of the electric equipment where the relay is located; a second contact configured to act simultaneously with the first contact; the monitoring module is configured to acquire the switch state of the first contact and the switch state of the second contact, and acquire the switch times of the first contact or the switch times of the second contact; and monitoring the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact and the switch times of the second contact. According to the scheme, the working state of the relay of the electric equipment is monitored on line, fault early warning is carried out on the relay according to the working state of the relay, and the maintenance difficulty of the electric equipment with the relay caused by relay faults is reduced.)

1. A relay monitoring device, the relay comprising: a first contact and a second contact; the relay monitoring device includes: a monitoring module; wherein the content of the first and second substances,

the first contact is configured to control the on-off of a load loop of the electric equipment where the relay is located;

the second contact configured to act simultaneously with the first contact;

the monitoring module is configured to acquire the switch states of the first contact and the second contact and acquire the switching times of the first contact or the switching times of the second contact; and the number of the first and second groups,

and monitoring the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact and the switch times of the second contact.

2. The relay monitoring device of claim 1, wherein the monitoring module monitors the relay based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact, comprising: determining whether the relay is faulty;

wherein determining whether the relay is malfunctioning comprises:

if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault; wherein the switch state comprises: on state or off state;

and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

3. The relay monitoring device of claim 1, wherein the monitoring module monitors the relay based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact, further comprising: determining the working state of the electric equipment where the relay is located;

wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

4. The relay monitoring device of claim 1, wherein the monitoring module monitors the relay based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact, further comprising: determining an operating state of the relay;

wherein determining the operational status of the relay comprises:

in the case where the number of times of switching of the first contact is the same as the number of times of switching of the second contact,

if the switching frequency of the first contact or the switching frequency of the second contact is lower than the lower limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is normal;

if the switching times of the first contact or the second contact are more than the lower limit of the set proportion range of the set service life times of the relay and less than the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time;

and if the switching frequency of the first contact or the switching frequency of the second contact is more than the upper limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

5. The relay monitoring device according to any one of claims 1 to 4, further comprising: the monitoring module is further configured to monitor the power consumption of the electric equipment where the relay is located.

6. The relay monitoring device according to claim 5, further comprising: at least one of a display unit and a communication unit; wherein the content of the first and second substances,

the display unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment monitored by the monitoring module, and display at least one of the monitoring result and the power consumption;

the communication unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment monitored by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal; the management terminal comprises: at least one of an energy information management system and a server;

wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

7. An electrical device, comprising: the relay monitoring device of any one of claims 1 to 6.

8. A relay monitoring method, characterized in that the relay comprises: a first contact and a second contact; the relay monitoring method comprises the following steps:

controlling the on-off of a load loop of the electrical equipment where the relay is located through the first contact;

through a second contact, simultaneously acting with the first contact;

acquiring the switching state of the first contact and the switching state of the second contact through a monitoring module, and acquiring the switching times of the first contact or the switching times of the second contact; and the number of the first and second groups,

and monitoring the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact and the switch times of the second contact.

9. The relay monitoring method according to claim 8, wherein monitoring the relay by a monitoring module based on at least one of the switch state of the first contact, the switch state of the second contact, the number of times the first contact is switched, and the number of times the second contact is switched comprises: determining whether the relay is faulty;

wherein determining whether the relay is malfunctioning comprises:

if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault; wherein the switch state comprises: on state or off state;

and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

10. The relay monitoring method according to claim 8, wherein the relay is monitored by a monitoring module according to at least one of a switching state of the first contact, a switching state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, further comprising: determining the working state of the electric equipment where the relay is located;

wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

11. The relay monitoring method according to claim 8, wherein the relay is monitored by a monitoring module according to at least one of a switching state of the first contact, a switching state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, further comprising: determining an operating state of the relay;

wherein determining the operational status of the relay comprises:

in the case where the number of times of switching of the first contact is the same as the number of times of switching of the second contact,

if the switching frequency of the first contact or the switching frequency of the second contact is lower than the lower limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is normal;

if the switching times of the first contact or the second contact are more than the lower limit of the set proportion range of the set service life times of the relay and less than the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time;

and if the switching frequency of the first contact or the switching frequency of the second contact is more than the upper limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

12. The relay monitoring method according to any one of claims 8 to 11, further comprising: and the power consumption of the electric equipment where the relay is positioned is also monitored through the monitoring module.

13. The relay monitoring method according to claim 12, further comprising at least one of:

the monitoring module is configured to acquire a monitoring result obtained by monitoring the relay through the display unit, acquire power consumption of the electric equipment monitored by the monitoring module, and display at least one of the monitoring result and the power consumption;

the monitoring module is configured to acquire a monitoring result obtained by monitoring the relay through the communication unit, acquire the power consumption of the electric equipment monitored by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal; the management terminal comprises: at least one of an energy information management system and a server;

wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to a relay monitoring device, a relay monitoring method and electrical equipment, in particular to a relay working state monitoring and early warning system, electrical equipment with the relay working state monitoring and early warning system and a relay working state monitoring and early warning method of the electrical equipment.

Background

For the electric equipment with the relay, the working state of the relay can not be monitored on line, so that fault early warning can not be carried out on the relay according to the working state of the relay, and the maintenance difficulty of the electric equipment is increased.

The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.

Disclosure of Invention

The invention aims to provide a relay monitoring device, a relay monitoring method and electrical equipment, and aims to solve the problems that the working state of a relay of the electrical equipment cannot be monitored on line, and fault early warning cannot be performed on the relay, so that the maintenance difficulty of the electrical equipment is increased, and the effect that the fault early warning is performed on the relay according to the working state of the relay by monitoring the working state of the relay of the electrical equipment on line, so that the maintenance difficulty of the electrical equipment with the relay caused by the fault of the relay is reduced is achieved.

The invention provides a relay monitoring device, wherein the relay comprises: a first contact and a second contact; the relay monitoring device includes: a monitoring module; the first contact is configured to control the on-off of a load loop of the electric equipment where the relay is located; the second contact configured to act simultaneously with the first contact; the monitoring module is configured to acquire the switch states of the first contact and the second contact and acquire the switching times of the first contact or the switching times of the second contact; and monitoring the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact and the switch times of the second contact.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, including: determining whether the relay is faulty; wherein determining whether the relay is malfunctioning comprises: if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault; wherein the switch state comprises: on state or off state; and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, and further comprises: determining the working state of the electric equipment where the relay is located; wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, and further comprises: determining an operating state of the relay; wherein determining the operational status of the relay comprises: under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the switching times of the second contact are below the lower limit of the set proportion range of the set service life times of the relay, determining that the operating state of the relay is normal; if the switching times of the first contact or the second contact are more than the lower limit of the set proportion range of the set service life times of the relay and less than the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time; and if the switching frequency of the first contact or the switching frequency of the second contact is more than the upper limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

In some embodiments, further comprising: the monitoring module is further configured to monitor the power consumption of the electric equipment where the relay is located.

In some embodiments, further comprising: at least one of a display unit and a communication unit; the display unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment monitored by the monitoring module, and display at least one of the monitoring result and the power consumption; the communication unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment monitored by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal; the management terminal comprises: at least one of an energy information management system and a server; wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

In accordance with another aspect of the present invention, there is provided an electrical apparatus, including: the relay monitoring device described above.

In another aspect, the present invention provides a method for monitoring a relay, where the method includes: a first contact and a second contact; the relay monitoring method comprises the following steps: controlling the on-off of a load loop of the electrical equipment where the relay is located through the first contact; through a second contact, simultaneously acting with the first contact; acquiring the switching state of the first contact and the switching state of the second contact through a monitoring module, and acquiring the switching times of the first contact or the switching times of the second contact; and monitoring the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact and the switch times of the second contact.

In some embodiments, monitoring the relay by a monitoring module based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact includes: determining whether the relay is faulty; wherein determining whether the relay is malfunctioning comprises: if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault; wherein the switch state comprises: on state or off state; and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

In some embodiments, monitoring, by a monitoring module, the relay based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact, further comprises: determining the working state of the electric equipment where the relay is located; wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

In some embodiments, monitoring, by a monitoring module, the relay based on at least one of a switch state of the first contact, a switch state of the second contact, a number of switches of the first contact, and a number of switches of the second contact, further comprises: determining an operating state of the relay; wherein determining the operational status of the relay comprises: under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the switching times of the second contact are below the lower limit of the set proportion range of the set service life times of the relay, determining that the operating state of the relay is normal; if the switching times of the first contact or the second contact are more than the lower limit of the set proportion range of the set service life times of the relay and less than the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time; and if the switching frequency of the first contact or the switching frequency of the second contact is more than the upper limit of the set proportion range of the set service life frequency of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

In some embodiments, further comprising: and the power consumption of the electric equipment where the relay is positioned is also monitored through the monitoring module.

In some embodiments, further comprising at least one of: the monitoring module is configured to acquire a monitoring result obtained by monitoring the relay through the display unit, acquire power consumption of the electric equipment monitored by the monitoring module, and display at least one of the monitoring result and the power consumption; the monitoring module is configured to acquire a monitoring result obtained by monitoring the relay through the communication unit, acquire the power consumption of the electric equipment monitored by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal; the management terminal comprises: at least one of an energy information management system and a server; wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

According to the scheme, the auxiliary contact is arranged on the main contact of the relay of the electric equipment, so that the auxiliary contact can act simultaneously with the main contact, the switching times of the main contact are determined by monitoring the switching times of the auxiliary contact, the working state of the relay is further determined according to the switching times of the main contact, the running state of the load of the electric equipment is determined according to the switching on/off state of the main contact of the relay, and the working state of the relay of the electric equipment can be monitored in real time and early warning can be given to the service life loss of the relay by monitoring the working state of the relay of the electric equipment on line.

Furthermore, according to the scheme of the invention, the auxiliary contact is arranged on the main contact of the relay of the electric equipment, so that the auxiliary contact can act simultaneously with the main contact, the switching times of the main contact are determined by monitoring the switching times of the auxiliary contact, the working state of the relay is further determined according to the switching times of the main contact, the running state of the load of the electric equipment is determined according to the switching on/off state of the main contact of the relay, and the monitoring data can be processed in an informationized manner by monitoring the working state of the relay of the electric equipment on line, so that the production plan and the equipment maintenance are conveniently and reasonably arranged, and the production efficiency is improved.

Therefore, according to the scheme of the invention, the auxiliary contact is arranged on the main contact of the relay of the electric equipment, so that the auxiliary contact can act simultaneously with the main contact, the switching times of the main contact are determined by monitoring the switching times of the auxiliary contact, the working state of the relay is further determined according to the switching times of the main contact, the running state of the load of the electric equipment is determined according to the switching on/off state of the main contact of the relay, and the fault early warning is carried out on the relay according to the working state of the relay by monitoring the working state of the relay of the electric equipment on line, so that the maintenance difficulty of the electric equipment with the relay caused by the fault of the relay is reduced.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a relay monitoring device according to the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of a relay operating state monitoring and early warning system;

FIG. 3 is a schematic structural diagram of another embodiment of a relay operating condition monitoring and early warning system;

fig. 4 is a schematic flowchart of an embodiment of a relay monitoring method according to the present invention.

The reference numbers in the embodiments of the present invention are as follows, in combination with the accompanying drawings:

1-a relay; 2-relay action contact; and 3, auxiliary contact of the relay.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to an embodiment of the present invention, a relay monitoring device is provided. Referring to fig. 1, a schematic diagram of an embodiment of the apparatus of the present invention is shown. The relay, comprising: a first contact (e.g., relay actuation contact 2) and a second contact (e.g., relay auxiliary contact), the first and second contacts being simultaneously actuatable. The relay monitoring device includes: and a monitoring module (such as an MCU).

The first contact is arranged in a load loop of the electric equipment where the relay (such as the relay 1) is located, and is configured to control the on-off of the load loop of the electric equipment where the relay is located. The electric equipment where the relay is located can be electric equipment with the relay, in particular large-scale electric equipment used for production activities, and can also be independently applied to relay monitoring of important scenes.

The second contact is configured to act simultaneously with the first contact.

Specifically, the two ends of the relay auxiliary contact 3 are connected to the monitoring module, and whether the relay main contact (such as the relay action contact 2) is in misoperation or refusal is judged by utilizing the characteristic that the auxiliary contact (such as the relay auxiliary contact 3) and the main contact (such as the relay action contact 2) act simultaneously in the normal state of the relay and combining the state of the main contact (such as the relay action contact 2), so that the working state of the relay 1 is monitored.

The monitoring module is configured to acquire the switch state of the first contact and the switch state of the second contact, and acquire the number of times of switching of the first contact or the number of times of switching of the second contact. And the number of the first and second groups,

the monitoring module is further configured to monitor the relay according to at least one of the switch state of the first contact, the switch state of the second contact, the switch times of the first contact, and the switch times of the second contact, so as to realize monitoring of the relay.

Therefore, the working state of the relay can be monitored in real time and early warning can be given to the service life loss of the relay through the systematic application of monitoring the relay of the electric equipment.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, including: determining whether the relay is malfunctioning.

Wherein determining whether the relay is faulty comprises any one of the following fault conditions:

first failure scenario: if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault; wherein the switch state comprises: on state or off state.

Second failure scenario: and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

Specifically, after the switch closing state of the relay is monitored, the state information is converted into the switching times of the relay and the running state of the equipment, and the switching times and the running state are displayed to remind a user. For example: and connecting the two ends of the relay action contact 2 to a monitoring module, monitoring the action state of the relay through the monitoring module and counting. The closed state of a relay switch (such as a relay action contact 2) is monitored, the relay is recorded once per closing action, the problem that equipment faults are caused due to the fact that the relay works normally open or normally closed when the switch frequency reaches the service life limit and fails is solved, and the technical effect of intelligent monitoring and early prevention is achieved.

From this, through the production scene angle of following the relay work, accomplish the real time monitoring to the relay to the loss hierarchical early warning of relay, alleviate consumer's maintenance cost, compare in the mode of troubleshooting through the manual work laborsaving trouble-saving, can monitor and hierarchical early warning the life of relay, can monitor the operating condition of relay.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, and further comprises: and determining the working state of the electric equipment where the relay is located.

Wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

Specifically, the on-state or off-state of the load controlled by the relay can be known in real time through monitoring the on-state or the off-state of the relay switch, so that the running state of the load can be monitored really.

In some embodiments, the monitoring module monitors the relay according to at least one of a switch state of the first contact, a switch state of the second contact, a number of times the first contact is switched, and a number of times the second contact is switched, and further comprises: determining an operational state of the relay.

Wherein the operation state of the relay is determined, including any one of the following state situations:

first state case: and under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the second contact is less than or equal to the lower limit of the set proportion range of the set service life times of the relay, determining that the operating state of the relay is normal.

Second state case: and under the condition that the switching times of the first contact and the switching times of the second contact are the same, if the switching times of the first contact or the switching times of the second contact are more than or equal to the lower limit of the set proportion range of the set service life times of the relay and less than or equal to the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time.

The third state case: and under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the switching times of the second contact are more than or equal to the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

Specifically, when the action frequency of the relay is within 75% of the service life frequency of the relay, the state of the relay is good, and the system display is abnormal; when the action frequency of the relay reaches more than 75% and less than 90% of the service life frequency of the relay, the state loss of the relay is large, and the system gives a prompt to pay attention and pay attention to timely replacement; when the action frequency of the relay reaches more than 90% of the service life frequency of the relay, the loss of the relay is serious, the system gives a warning, and the relay needs to be replaced immediately. The grading standard of the relay grading early warning can be adjusted according to a specific application scene.

In some embodiments, the monitoring module is further configured to monitor power consumption of the electrical device in which the relay is located.

Specifically, this monitoring module has the electric energy monitoring function, can make monitoring data informationization through energy management system with the in service behavior organic combination of consumer, effectively prevents to break production plan and consumer normal use's condition emergence because of relay aging damage.

In some embodiments, further comprising: at least one of a display unit and a communication unit.

The display unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment obtained by monitoring by the monitoring module, and display at least one of the monitoring result and the power consumption.

The communication unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment obtained by monitoring by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal. The management terminal comprises: at least one of an energy information management system and a server.

Wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

Specifically, the working state of the relay can be monitored and the information can be uploaded to the energy information management system in real time, so that early warning management of the working state of the relay can be realized locally. The working state monitoring and early warning system of the relay can be used as a version of an energy management system and can also be independently used for field management.

The relay working state monitoring and early warning system can also be combined with the equipment energy consumption monitoring of the energy management system, and the monitoring module can monitor the power consumption of the electric equipment and is combined with the power consumption of the electric equipment for verification. And displaying the working state of the relay 1 on a management page of the energy management system in real time.

Therefore, the monitoring of the working state of the relay is organically combined with the informationized energy management system, the informationized management of the service life and the working state of the relay is realized, the monitoring data can be processed in an informationized mode, the production plan and the equipment maintenance are conveniently and reasonably arranged, and the production efficiency is improved.

Through a large number of tests, the technical scheme of the invention is adopted, the auxiliary contact is arranged on the main contact of the relay of the electric equipment, so that the auxiliary contact can act with the main contact simultaneously, the switching times of the main contact are determined by monitoring the switching times of the auxiliary contact, the working state of the relay is further determined according to the switching times of the main contact, the running state of the load of the electric equipment is determined according to the switching on/off state of the main contact of the relay, and the fault early warning is carried out on the relay according to the working state of the relay by monitoring the working state of the relay of the electric equipment on line, so that the maintenance difficulty of the electric equipment with the relay caused by the fault of the relay is reduced.

According to the embodiment of the invention, the electrical equipment corresponding to the relay monitoring device is also provided. The electric device may include: the relay monitoring device described above.

In some schemes, the relay is monitored through an external monitoring circuit, so that the relay fault is eliminated, but the relay needs to be detached from equipment and installed on the external monitoring circuit to complete monitoring, the efficiency is low, and the function is single.

In other schemes, the service conditions of the relay can be simulated, the relay is controlled to be switched on and off to generate electric pulses, and then the electric pulses are counted, so that the relay service life testing device is a relay service life testing device and cannot effectively monitor the state of the relay of production equipment.

In some embodiments, the scheme of the present invention provides a relay working state monitoring and early warning system, which is different from relay fault monitoring and service life monitoring in related schemes, and can monitor the working state of a relay in real time and give an early warning to the service life loss of the relay by systematic application of monitoring the relay of a power consumption device.

In some embodiments, the relay working state monitoring and early warning system provided by the invention is applied to electric equipment with a relay, in particular to large electric equipment for production activities, and can also be independently applied to relay monitoring of important scenes. Therefore, according to the scheme of the invention, the loss hierarchical early warning of the relay can be carried out from the production scene angle of the relay work, the real-time monitoring of the relay is realized, the maintenance cost of the electric equipment is reduced, compared with the manual fault removal mode, the labor and time are saved, the service life of the relay can be monitored and the hierarchical early warning can be carried out, and the working state of the relay can be monitored.

In the scheme of the invention, the working state monitoring and early warning system of the relay is combined with the energy management system, so that the working state of the relay can be monitored, information can be uploaded to the energy information management system in real time, and early warning management on the working state of the relay can be realized locally. The working state monitoring and early warning system of the relay can be used as a version of an energy management system and can also be independently used for field management. Therefore, the scheme of the invention organically combines the monitoring of the working state of the relay with the information-based energy management system, realizes the information-based management of the service life and the working state of the relay, can perform the information-based processing on the monitoring data, is convenient to reasonably arrange a production plan and equipment maintenance, and improves the production efficiency.

Fig. 2 is a schematic structural diagram of an embodiment of a relay operating state monitoring and early warning system. As shown in fig. 2, the monitoring and early warning system for the working state of the relay includes: the device comprises a monitoring module, a local display module and an information management module. The monitoring module is connected to the powered device and to a relay in the powered device. The monitoring module is also respectively connected to the local display module and the information management module. The information management module comprises: the system comprises an energy management system, a WiFi module, a Bluetooth module, a server and the like.

In the example shown in fig. 2, the monitoring module has an electric energy monitoring function, and can be organically combined with the use condition of the electric equipment, and the monitoring data is informationized through the energy management system, so that the situations that the production plan is interrupted due to the aging and damage of the relay and the electric equipment is normally used are effectively prevented.

The relay working state monitoring and early warning system shown in fig. 2 is a system comprising relay loss grading early warning and relay fault monitoring and alarming.

Fig. 3 is a schematic structural diagram of another embodiment of the relay operating state monitoring and early warning system. As shown in fig. 3, the monitoring and early warning system for the working state of the relay includes: relay 1, relay action contact 2 and relay auxiliary contact 3. And the relay action contact 2 and the relay auxiliary contact 3 are respectively connected with the monitoring module.

In the scheme of the invention, the wiring schematic diagram of the relay loss grading early warning function can be as shown in fig. 3, two ends of the relay action contact 2 are connected to the monitoring module, and the action state of the relay is monitored and counted by the monitoring module. Therefore, the scheme of the invention adopts the technical scheme that the closed state of a relay switch (such as the relay action contact 2) is monitored, and the relay is recorded once each closing action, so that the problem of equipment failure caused by normal opening or normal closing when the relay works due to the fact that the switching frequency reaches the service life limit and fails is solved, and the technical effect of intelligent monitoring and advanced prevention is achieved.

In the scheme of the invention, the relay loss grading early warning function makes grading early warning according to the normal service life times of the relay. The method comprises the following steps: when the action frequency of the relay is within 75% of the service life frequency of the relay, the state of the relay is good, and the system display is abnormal; when the action frequency of the relay reaches more than 75% and less than 90% of the service life frequency of the relay, the state loss of the relay is large, and the system gives a prompt to pay attention and pay attention to timely replacement; when the action frequency of the relay reaches more than 90% of the service life frequency of the relay, the loss of the relay is serious, the system gives a warning, and the relay needs to be replaced immediately. The grading standard of the relay grading early warning can be adjusted according to a specific application scene.

In the scheme of the invention, a wiring schematic diagram of a fault monitoring and alarming function of the relay working state monitoring and early warning system is shown in fig. 3, two ends of an auxiliary contact 3 of a relay are connected to a monitoring module, and whether the main contact (such as the action contact 2 of the relay) is in misoperation or failure is judged by combining the state of the main contact (such as the action contact 2 of the relay) and the characteristic that the auxiliary contact (such as the auxiliary contact 3 of the relay) and the main contact (such as the action contact 2 of the relay) act simultaneously in the normal state of the relay, so that the working state of the relay 1 is monitored.

In the scheme of the invention, whether the load controlled by the relay is a power-on or power-off body can be known in real time by monitoring the closing state of the relay switch, so that the running state of the load can be monitored really.

In the scheme of the invention, after the switch closing state of the relay is monitored, the state information is converted into the switching times of the relay and the running state of the equipment, and the switching times and the running state are displayed to remind a user.

In the scheme of the invention, the relay working state monitoring and early warning system can be combined with equipment energy consumption monitoring of the energy management system, and the monitoring module can monitor the power consumption of the electric equipment and is combined with the power consumption of the electric equipment for verification. And displaying the working state of the relay 1 on a management page of the energy management system in real time.

In the above embodiment, if the part combined with the energy management system is limited by cost and construction difficulty or does not adopt informatization management expansion such as an energy management system, the part can be used alone, and local display is adopted to achieve early warning information feedback. If the information management extension such as an energy management system is not adopted, the information management cannot be realized.

Since the processes and functions implemented by the electrical apparatus of this embodiment substantially correspond to the embodiments, principles, and examples of the apparatus shown in fig. 1, reference may be made to the related descriptions in the foregoing embodiments without being detailed in the description of this embodiment.

Through a large number of tests, the technical scheme of the invention is adopted, the auxiliary contact is arranged on the main contact of the relay of the electric equipment, so that the auxiliary contact can act with the main contact at the same time, the switching times of the main contact is determined by monitoring the switching times of the auxiliary contact, the working state of the relay is further determined according to the switching times of the main contact, the running state of the load of the electric equipment is determined according to the switching on/off state of the main contact of the relay, and the working state of the relay of the electric equipment can be monitored in real time and early warning can be made on the service life loss of the relay by monitoring the working state of the relay of the electric equipment on line.

According to an embodiment of the present invention, a relay monitoring method corresponding to an electrical device is also provided, as shown in fig. 4, which is a schematic flow chart of an embodiment of the method of the present invention. The relay, comprising: a first contact (e.g., relay actuation contact 2) and a second contact (e.g., relay auxiliary contact), the first and second contacts being simultaneously actuatable. The relay monitoring method comprises the following steps: step S110 to step S140.

In step S110, the first contact is disposed in a load loop of an electrical device where the relay (e.g., the relay 1) is located, and the load loop of the electrical device where the relay is located is controlled to be turned on or off. The electric equipment where the relay is located can be electric equipment with the relay, in particular large-scale electric equipment used for production activities, and can also be independently applied to relay monitoring of important scenes.

At step S120, through the second contact, acting simultaneously with the first contact.

Specifically, the two ends of the relay auxiliary contact 3 are connected to the monitoring module, and whether the relay main contact (such as the relay action contact 2) is in misoperation or refusal is judged by utilizing the characteristic that the auxiliary contact (such as the relay auxiliary contact 3) and the main contact (such as the relay action contact 2) act simultaneously in the normal state of the relay and combining the state of the main contact (such as the relay action contact 2), so that the working state of the relay 1 is monitored.

At step S130, acquiring, by a monitoring module, a switch state of the first contact and a switch state of the second contact, and acquiring a switching number of the first contact or a switching number of the second contact. And the number of the first and second groups,

in step S140, the relay is monitored by the monitoring module according to at least one of the switch state of the first contact, the switch state of the second contact, the number of times of switching of the first contact, and the number of times of switching of the second contact, so as to monitor the relay.

Therefore, the working state of the relay can be monitored in real time and early warning can be given to the service life loss of the relay through the systematic application of monitoring the relay of the electric equipment.

In some embodiments, the monitoring the relay in step S140 by the monitoring module according to at least one of the switch state of the first contact, the switch state of the second contact, the number of times the first contact is switched, and the number of times the second contact is switched includes: determining whether the relay is malfunctioning.

Wherein determining whether the relay is faulty comprises any one of the following fault conditions:

first failure scenario: and if the switching state of the first contact is different from the switching state of the second contact, determining the relay fault and initiating a reminding message of the relay fault. Wherein the switch state comprises: on state or off state.

Second failure scenario: and if the switching times of the first contact and the second contact are different, determining that the relay is in fault, and initiating a reminding message of the relay fault.

Specifically, after the switch closing state of the relay is monitored, the state information is converted into the switching times of the relay and the running state of the equipment, and the switching times and the running state are displayed to remind a user. For example: and connecting the two ends of the relay action contact 2 to a monitoring module, monitoring the action state of the relay through the monitoring module and counting. The closed state of a relay switch (such as a relay action contact 2) is monitored, the relay is recorded once per closing action, the problem that equipment faults are caused due to the fact that the relay works normally open or normally closed when the switch frequency reaches the service life limit and fails is solved, and the technical effect of intelligent monitoring and early prevention is achieved.

From this, through the production scene angle of following the relay work, accomplish the real time monitoring to the relay to the loss hierarchical early warning of relay, alleviate consumer's maintenance cost, compare in the mode of troubleshooting through the manual work laborsaving trouble-saving, can monitor and hierarchical early warning the life of relay, can monitor the operating condition of relay.

In some embodiments, the monitoring the relay by the monitoring module according to at least one of the switch state of the first contact, the switch state of the second contact, the number of times of switching of the first contact, and the number of times of switching of the second contact in step S140 further includes: and determining the working state of the electric equipment where the relay is located.

Wherein, confirm the operating condition of electrical equipment that the relay is located, include: under the condition that the switching state of the first contact is the same as that of the second contact, if the switching state of the first contact or the switching state of the second contact is a connection state, determining that the electric equipment where the relay is located is in a running state; and if the on-off state of the first contact or the on-off state of the second contact is a disconnected state, determining that the electric equipment where the relay is located is in a power-off state.

Specifically, the on-state or off-state of the load controlled by the relay can be known in real time through monitoring the on-state or the off-state of the relay switch, so that the running state of the load can be monitored really.

In some embodiments, the monitoring the relay by the monitoring module according to at least one of the switch state of the first contact, the switch state of the second contact, the number of times of switching of the first contact, and the number of times of switching of the second contact in step S140 further includes: determining an operational state of the relay.

Wherein the operation state of the relay is determined, including any one of the following state situations:

first state case: and under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the second contact is less than or equal to the lower limit of the set proportion range of the set service life times of the relay, determining that the operating state of the relay is normal.

Second state case: and under the condition that the switching times of the first contact and the switching times of the second contact are the same, if the switching times of the first contact or the switching times of the second contact are more than or equal to the lower limit of the set proportion range of the set service life times of the relay and less than or equal to the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a first set damage state, and initiating a reminding message that the relay needs to be replaced in time.

The third state case: and under the condition that the switching times of the first contact and the second contact are the same, if the switching times of the first contact or the switching times of the second contact are more than or equal to the upper limit of the set proportion range of the set service life times of the relay, determining that the running state of the relay is in a second set damage state, and initiating a reminding message that the relay needs to be replaced immediately.

Specifically, when the action frequency of the relay is within 75% of the service life frequency of the relay, the state of the relay is good, and the system display is abnormal; when the action frequency of the relay reaches more than 75% and less than 90% of the service life frequency of the relay, the state loss of the relay is large, and the system gives a prompt to pay attention and pay attention to timely replacement. When the action frequency of the relay reaches more than 90% of the service life frequency of the relay, the loss of the relay is serious, the system gives a warning, and the relay needs to be replaced immediately. The grading standard of the relay grading early warning can be adjusted according to a specific application scene.

In some embodiments, further comprising: and the power consumption of the electric equipment where the relay is positioned is also monitored through the monitoring module.

Specifically, this monitoring module has the electric energy monitoring function, can make monitoring data informationization through energy management system with the in service behavior organic combination of consumer, effectively prevents to break production plan and consumer normal use's condition emergence because of relay aging damage.

In some embodiments, further comprising at least one of:

the display unit is configured to acquire a monitoring result obtained by monitoring the relay by the monitoring module, acquire power consumption of the electric equipment obtained by monitoring by the monitoring module, and display at least one of the monitoring result and the power consumption.

The monitoring module is configured to acquire a monitoring result obtained by monitoring the relay through the communication unit, acquire the power consumption of the electric equipment monitored by the monitoring module, and send at least one of the monitoring result and the power consumption to a set client or a set management terminal. The management terminal comprises: at least one of an energy information management system and a server.

Wherein, the monitoring result comprises: and at least one of a monitoring result of whether the relay is in fault, a monitoring result of the working state of the electric equipment where the relay is located and a monitoring result of the running state of the relay.

Specifically, the working state of the relay can be monitored and the information can be uploaded to the energy information management system in real time, so that early warning management of the working state of the relay can be realized locally. The working state monitoring and early warning system of the relay can be used as a version of an energy management system and can also be independently used for field management.

The relay working state monitoring and early warning system can also be combined with the equipment energy consumption monitoring of the energy management system, and the monitoring module can monitor the power consumption of the electric equipment and is combined with the power consumption of the electric equipment for verification. And displaying the working state of the relay 1 on a management page of the energy management system in real time.

Therefore, the monitoring of the working state of the relay is organically combined with the informationized energy management system, the informationized management of the service life and the working state of the relay is realized, the monitoring data can be processed in an informationized mode, the production plan and the equipment maintenance are conveniently and reasonably arranged, and the production efficiency is improved.

Since the processes and functions implemented by the method of the present embodiment substantially correspond to the embodiments, principles, and examples of the electrical apparatus, reference may be made to the related descriptions in the foregoing embodiments without being detailed in the description of the present embodiment.

Through a large amount of experimental verifications, adopt the technical scheme of this embodiment, set up the auxiliary contact through the main contact to the relay of consumer, make the auxiliary contact can move with the main contact simultaneously, through the switch number of times of monitoring the auxiliary contact, confirm the switch number of times of main contact, and then confirm the operating condition of relay according to the switch number of times of main contact, and the operating condition of the load of consumer is confirmed according to the switching on state of the main contact of relay, through the operating condition of the relay of on-line monitoring consumer, can be to control data information-based processing, convenient rational arrangement production plan, equipment maintenance, improve production efficiency.

In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.

The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.