阅读说明：本技术 一种采用拨码开关设置参数的三相电压继电器 (Three-phase voltage relay adopting dial switch to set parameters ) 是由 俞奕 王苏宁 赵力 顾蓓蓓 杨启晨 *** 于 2019-10-22 设计创作，主要内容包括：本发明公开了一种采用拨码开关设置参数的三相电压继电器,包括机壳,所述机壳前侧上方设有上接线盖板,上接线盖板内设有上接线端子排,所述机壳前侧下方设有下接线盖板,下接线盖板内设有下接线端子排,所述机壳前侧中部配有设置面板,所述设置面板上并行安装有电压整定拨码开关、延时时间整定拨码开关和地址设置拨码开关,各个拨码开关上均设有操作按键和拨码数字,所述机壳内部装有电路板,所述电路板上装有以单片机控制模块为核心的电路。本发明的一种采用拨码开关设置参数的三相电压继电器,采用多路拨码开关设定参数,通过对三相电压的数据采集,运用各种专用继电器对电气设备进行运行控制,使三相电压继电器操作控制更加直观和可靠。(The invention discloses a three-phase voltage relay adopting dial switches to set parameters, which comprises a casing, wherein an upper wiring cover plate is arranged above the front side of the casing, an upper wiring terminal row is arranged in the upper wiring cover plate, a lower wiring cover plate is arranged below the front side of the casing, a lower wiring terminal row is arranged in the lower wiring cover plate, a setting panel is arranged in the middle of the front side of the casing, a voltage setting dial switch, a delay time setting dial switch and an address setting dial switch are arranged on the setting panel in parallel, each dial switch is provided with an operation key and dial numbers, a circuit board is arranged in the casing, and a circuit with a singlechip control module as a core is arranged on the circuit board. According to the three-phase voltage relay with the parameters set by the dial switches, the parameters are set by the multi-path dial switches, and the three-phase voltage relay is operated and controlled by various special relays through data acquisition of the three-phase voltage, so that the three-phase voltage relay is more intuitive and reliable in operation and control.)

1. the utility model provides an adopt three-phase voltage relay of dial switch setting parameter, includes casing (1), its characterized in that: an upper wiring cover plate (2) is arranged above the front side of the shell (1), an upper wiring terminal block (3) is arranged in the upper wiring cover plate (2), terminals 1 and 2 in the upper wiring terminal block (3) are connected with an external single-phase power supply, terminals 3, 4, 5 and 6 are connected with external three-phase detection voltage, and terminals 7, 8 and 9 are connected with an action contact of an internal A successive electrical appliance (15); a lower wiring cover plate (4) is arranged below the front side of the machine shell (1), a lower wiring terminal row (5) is arranged in the lower wiring cover plate (4), terminals 11 and 12 in the lower wiring terminal row (5) are connected with an internal communication module, terminals 13, 14 and 15 are connected with an internal B successive electric appliance (16) action contact, terminals 16, 17 and 18 are connected with an internal C successive electric appliance (17) action contact, a setting panel (6) is matched with the middle part of the front side of the machine shell (1), and a voltage setting dial switch (7), a delay time setting dial switch (8) and an address setting dial switch (9) are arranged on the setting panel (6) in parallel; the voltage setting dial switch (7) is used for setting a detection threshold of three-phase voltage, the delay time setting dial switch (8) is used for setting the time of on-off conversion action of the relay, the address setting dial switch (9) is used for setting an address of serial communication, and each dial switch is provided with an operation key and dial numbers; the circuit board (10) is installed in the machine shell (1) through screws.

2. The three-phase voltage relay adopting the dial switch to set the parameters according to claim 1, characterized in that: the circuit board (10) is provided with a singlechip control module (11), a single-phase power supply module (12), a three-phase voltage transformer (13), a voltage metering chip (14), an A successive electric appliance (15), a B successive electric appliance (16), a C successive electric appliance (17) and a communication module (18).

3. The three-phase voltage relay adopting the dial switch to set the parameters according to claim 1, characterized in that: four indicating lamps are arranged on the left side of the setting panel from top to bottom and are respectively a power supply indicating lamp (6a), an A-phase indicating lamp (6B), a B-phase indicating lamp (6C) and a C-phase indicating lamp (6 d).

4. A three-phase voltage relay using a dip switch to set parameters according to claims 1 to 3, characterized in that: the internal connection of 1, 2 terminals of going up binding post row is the input side of single-phase power module on the interior circuit board of casing, the low voltage power of single-phase power module output side supplies power for single chip microcomputer control module, supplies power for the power indicator simultaneously.

5. A three-phase voltage relay using a dip switch to set parameters according to claims 1 to 3, characterized in that: the three-phase voltage transformer is characterized in that the 3, 4, 5 and 6 terminals of the upper wiring terminal row are connected with the input side of a three-phase voltage transformer on a circuit board in the shell, the output side of the three-phase voltage transformer is connected with the input side of a voltage metering chip, and an output signal wire of the voltage metering chip is connected with the single chip microcomputer control module.

6. A three-phase voltage relay using a dip switch to set parameters according to claims 1 to 3, characterized in that: the single chip microcomputer control module is respectively connected with the output lines of the voltage setting dial switch, the delay time setting dial switch and the address setting dial switch, reads dial signals, is simultaneously connected with control coils of the successive electrical appliance A, the successive electrical appliance B and the successive electrical appliance C, provides contact control driving signals, and is also connected with the communication module to send information to the background management system.

7. A three-phase voltage relay using a dip switch to set parameters according to claims 2 and 3, wherein: and when the single-chip microcomputer control module is connected with each relay control coil, the single-chip microcomputer control module is also correspondingly connected with an A-phase indicator lamp, a B-phase indicator lamp and a C-phase indicator lamp, and the corresponding indicator lamps are lightened.

8. The three-phase voltage relay adopting the dial switch to set the parameters according to claim 1, characterized in that: the voltage setting dial switch, the delay time setting dial switch and the address setting dial switch are all 8421-code dial switches, digital numbers are turned over when keys on the setting panel are pressed, and corresponding binary code signals are sent out.

9. A three-phase voltage relay using a dip switch to set parameters according to claim 3, wherein: the delay time of the three-phase relay set by the delay time setting dial switch is 0-99.9S.

10. A three-phase voltage relay using a dip switch to set parameters according to claim 3, wherein: the three-phase over-voltage range and the three-phase under-voltage range set by the voltage setting dial switch are respectively 10-242V, 50-450V and 10-130V.

Technical Field

The invention relates to the technical field of relays, in particular to a three-phase voltage relay with parameters set by dial switches.

background

The three-phase voltage relay is widely applied to a control system of electrical equipment, and driving, alarming, converting and controlling signals are provided by collecting three-phase voltage and setting the over-voltage and under-voltage threshold values of the voltage through a relay switching contact, and optimized control can be performed through communication with a background management system; the setting modes of various parameters of the conventional three-phase voltage relay are completed by touch selection menu operation of a liquid crystal display, and can also be modified by messages in RS485 communication, but because the operation modes need to be operated by specified setting procedures and steps, the operation modes are relatively complicated and not intuitive, and the set voltage setting value, the set time delay value, the set communication address code and the like can cause the change of the set data and the set code along with the on and off of a power supply and the interference of power supply surge, so that the uniqueness and the fixed value of the parameters can not be ensured, the normal operation of the three-phase relay can be seriously influenced, and the malfunction and the misoperation of electric control equipment can be caused.

Disclosure of Invention

The invention aims to provide a three-phase voltage relay adopting dial switches to set parameters, which adopts three groups of dial switches and is arranged on a front side setting panel of the three-phase voltage relay, can very intuitively realize the setting of a voltage setting value, a time delay value and an address code, processes and analyzes the parameters set by the dial switches through the programming control of an internal single chip microcomputer control module, and provides relay output control and communication with a background management system; the method has the advantages of simple and convenient operation and convenient use, makes the parameter setting of each three-phase voltage relay unique, is more stable and reliable, and can solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a three-phase voltage relay adopting a dial switch to set parameters comprises a shell, wherein an upper wiring cover plate is arranged above the front side of the shell, an upper wiring terminal row is arranged in the upper wiring cover plate, 1 and 2 terminals in the upper wiring terminal row are connected with an external single-phase power supply, 3, 4, 5 and 6 terminals are connected with external three-phase detection voltage, and 7, 8 and 9 terminals are connected with an internal A sequential electrical appliance action contact; a lower wiring cover plate is arranged below the front side of the shell, a lower wiring terminal row is arranged in the lower wiring cover plate, terminals 11 and 12 in the lower wiring terminal row are connected with an internal communication module, terminals 13, 14 and 15 in the lower wiring terminal row are connected with an internal B successive electrical appliance action contact, terminals 16, 17 and 18 in the lower wiring terminal row are connected with an internal C successive electrical appliance action contact, a setting panel is arranged in the middle of the front side of the shell, and a voltage setting dial switch, a delay time setting dial switch and an address setting dial switch are arranged on the setting panel in parallel; the voltage setting dial switch is used for setting a detection threshold value of three-phase voltage, the delay time setting dial switch is used for setting the time of on-off switching action of the relay, the address setting dial switch is used for setting an address of serial communication, and each dial switch is provided with an operation key and dial numbers; the circuit board is installed in the shell through screws.

The circuit board is provided with a singlechip control module, a single-phase power supply module, a three-phase voltage transformer, a voltage metering chip, an A successive electric appliance, a B successive electric appliance, a C successive electric appliance and a communication module.

Four indicating lamps are arranged on the left side of the setting panel from top to bottom and are respectively a power supply indicating lamp, an A-phase indicating lamp, a B-phase indicating lamp and a C-phase indicating lamp.

The internal connection of 1, 2 terminals of going up binding post row is the input side of single-phase power module on the interior circuit board of casing, the low voltage power of single-phase power module output side supplies power for single chip microcomputer control module, supplies power for the power indicator simultaneously.

The three-phase voltage transformer is characterized in that the 3, 4, 5 and 6 terminals of the upper wiring terminal row are connected with the input side of a three-phase voltage transformer on a circuit board in the shell, the output side of the three-phase voltage transformer is connected with the input side of a voltage metering chip, and an output signal wire of the voltage metering chip is connected with the single chip microcomputer control module.

the single chip microcomputer control module is respectively connected with the output lines of the voltage setting dial switch, the delay time setting dial switch and the address setting dial switch, reads dial signals, is simultaneously connected with control coils of the successive electrical appliance A, the successive electrical appliance B and the successive electrical appliance C, provides contact control driving signals, and is also connected with the communication module to send information to the background management system.

And when the single-chip microcomputer control module is connected with each relay control coil, the single-chip microcomputer control module is also correspondingly connected with an A-phase indicator lamp, a B-phase indicator lamp and a C-phase indicator lamp, and the corresponding indicator lamps are lightened.

The voltage setting dial switch, the delay time setting dial switch and the address setting dial switch are all 8421-code dial switches, digital numbers are turned over when keys on the setting panel are pressed, and corresponding binary code signals are sent out.

The delay time of the three-phase relay set by the delay time setting dial switch is 0-99.9S.

The three-phase over-voltage range and the three-phase under-voltage range set by the voltage setting dial switch are respectively 10-242V, 50-450V and 10-130V.

Compared with the prior art, the invention has the following beneficial effects:

According to the three-phase voltage relay adopting the dial switch to set the parameters, the parameter setting dial switch is an output code of 8421 codes, binary output setting data is adopted, and the setting data is installed on the setting panel, so that the setting of parameter coding can be very intuitively realized, and the three-phase voltage relay has the advantages of simplicity and convenience in operation and convenience in use; meanwhile, the internal circuit carries out data sampling and analysis by encoding binary data output by the three groups of dial switches in a four-bit mode to the single chip microcomputer control module, outputs three-phase relay control signals, and realizes the uniqueness and reliability of parameter setting of each three-phase voltage relay, so that the problems in the prior art are effectively solved.

Drawings

FIG. 1 is a front view of the overall structure of a three-phase voltage relay using a dial switch to set parameters in accordance with the present invention;

FIG. 2 is a circuit diagram of the overall structure of a three-phase voltage relay using a dial switch to set parameters according to the present invention;

FIG. 3 is a wiring diagram of the front side terminal of the case of a three-phase voltage relay using a dial switch to set parameters according to the present invention;

Fig. 4 is a binary schematic diagram of a dial switch of a three-phase voltage relay using the dial switch to set parameters according to the present invention.

in the figure: 1. a housing; 2. an upper wiring cover plate; 3. an upper terminal block; 4. a lower wiring cover plate; 5. a lower terminal row; 6. setting a panel; 6a, a power indicator lamp; 6b, an A-phase indicator light; 6c, a B-phase indicator light; 6d, C phase indicator light; 7. a voltage setting dial switch; 8. setting a dial switch by delay time; 9. an address setting dial switch; 10. a circuit board; 11. a single chip microcomputer control module; 12. a single-phase power supply module; 13. a three-phase voltage transformer; 14. a voltage metering chip; 15. a successive electrical appliances; 16. b, successive electrical appliances; 17. c, successive electrical appliances; 18. and a communication module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1, it is a front view of the overall structure of a three-phase voltage relay using a dial switch to set parameters; the power supply comprises a machine shell (1), wherein the upper side and the lower side of the front side of the machine shell (1) are respectively provided with a wiring cover plate, and a terminal strip is arranged below the cover plate and is respectively used for wiring with an external power supply and equipment when the power supply is installed and used; an upper wiring cover plate (2) is arranged above the upper wiring cover plate, an upper wiring terminal block (3) is arranged in the upper wiring cover plate (2), and terminals 1 and 2 in the upper wiring terminal block (3) are connected with an external single-phase power supply to supply power to components, such as a three-phase relay, a single-chip microcomputer control module (11) and the like, of an internal circuit; the terminals 3, 4, 5 and 6 are connected with external three-phase detection voltage and used for providing detection discrimination signals for the internal circuit; the terminals 7, 8 and 9 are connected with an action contact of an internal A successive electric appliance (15) and used for providing a control signal for the A successive electric appliance (15) to external equipment; a lower wiring cover plate (4) is arranged below the front side of the shell (1), a lower wiring terminal row (5) is arranged in the lower wiring cover plate (4), and terminals 11 and 12 in the lower wiring terminal row (5) are connected with an internal communication module (18) and used for transmitting information with a background management system and providing information of detection and control parameters; the terminals 13, 14 and 15 are connected with an internal B successive electric appliance (16) action contact, the terminals 16, 17 and 18 are connected with an internal C successive electric appliance (17) action contact, and the terminals are respectively used for providing control signals for the B successive electric appliance and the C successive electric appliance to external equipment; a setting panel (6) is arranged in the middle of the front side of the shell (1), and a voltage setting dial switch (7), a delay time setting dial switch (8) and an address setting dial switch (9) are arranged on the setting panel (6) from left to right in parallel; the voltage setting dial switch (7) is used for setting a detection threshold of three-phase voltage, the delay time setting dial switch (8) is used for setting the time of on-off conversion action of the relay, the address setting dial switch (9) is used for setting an address of serial communication, and each dial switch is provided with an operation key and dial numbers; four indicating lamps are arranged on the left side of the setting panel from top to bottom and are respectively a power supply indicating lamp (6a), an A-phase indicating lamp (6B), a B-phase indicating lamp (6C) and a C-phase indicating lamp (6d) which are respectively used for indicating the power supply state of the whole machine and the working state of the three-phase relay.

As shown in fig. 2, it is a circuit block diagram of an overall structure of a three-phase voltage relay using a dial switch to set parameters; the circuit board (10) is fixed inside the shell (1) through screws, and a single-chip microcomputer control module (11), a single-phase power supply module (12), a three-phase voltage transformer (13), a voltage metering chip (14), an A successive electric appliance (15), a B successive electric appliance (16), a C successive electric appliance (17) and a communication module (18) are arranged on the circuit board (10); the internal parts of terminals 1 and 2 of the upper wiring terminal row are connected with the input side of a single-phase power supply module on a circuit board in the shell, and a low-voltage power supply at the output side of the single-phase power supply module supplies power to the single-chip microcomputer control module and simultaneously supplies power to the power indicator lamp; the internal parts of the 3, 4, 5 and 6 terminals of the upper wiring terminal row are connected with the input side of a three-phase voltage transformer on a circuit board in the shell, the output side of the three-phase voltage transformer is connected with the input side of a voltage metering chip, and an output signal wire of the voltage metering chip is connected with a single chip microcomputer control module; the single chip microcomputer control module is respectively connected with the output lines of the voltage setting dial switch, the delay time setting dial switch and the address setting dial switch, reads dial signals, is simultaneously connected with control coils of the successive electrical appliance A, the successive electrical appliance B and the successive electrical appliance C, provides contact control driving signals, and is also connected with the communication module to send information to the background management system; the single-chip microcomputer control module is connected with each relay control coil, and is also correspondingly connected with an A-phase indicator lamp, a B-phase indicator lamp and a C-phase indicator lamp to light the corresponding indicator lamps; when the whole machine circuit works, an external working power supply is connected with a single-phase power supply module and then outputs a direct-current low-voltage power supply to be supplied to the whole machine circuit to work, an external three-phase power supply is connected with a three-phase voltage transformer and then is input to a metering module, the metering module supplies three-phase voltage information to a single-chip microcomputer control module, the single-chip microcomputer control module detects three-phase voltage and judges whether a certain phase voltage exceeds the limit or is under-voltage, the single-chip microcomputer control module drives a voltage relay contact of a corresponding phase to perform action conversion, an alarm, a driving and a control signal are supplied to external equipment, an indicator lamp of the corresponding phase is lightened at the same time, and a testing and controlling coded signal is transmitted to a background management system.

As shown in fig. 3, it is a wiring diagram of the front side terminal of the casing of a three-phase voltage relay using a dial switch to set parameters; description of the connection terminal is described in detail in fig. 1, when wiring, an upper wiring cover plate (2) or a lower wiring cover plate (4) needs to be turned over, an input/output lead is connected with a terminal connection line corresponding to external equipment through an upper wiring terminal row (3) and a lower wiring terminal row (5), a wire head of the lead is connected to the lower surface of a screw pressing sheet of the terminal, and the lead is connected firmly after the screw is screwed down.

As shown in fig. 4, it is a binary schematic diagram of a dial switch of a three-phase voltage relay using the dial switch to set parameters; the horizontal direction in the figure is a decimal value, the longitudinal direction in the figure is a binary BDC code position, each path of dial switch dial has 10 gears which can correspondingly display ten numbers of 0-9, the hollow circle in the figure is '0', the solid point is '1', thereby forming a binary code to set parameters; in combination with the distribution of the dial switches in fig. 1, the three-way voltage setting dial switch can set three over-voltage and under-voltage ranges of 10-242V, 50-450V and 10-130V respectively according to different purposes; the delay time of the three-phase relay set by the three-way delay time setting dial switch is 0-99.9S; the two-path address setting dial switch can set the communication address of the local computer to be 00-99.

In summary, the following steps: a three-phase voltage relay adopting dial switches to set parameters has the main functions that overvoltage and undervoltage states are judged according to collected three-phase power supply voltages, if the detected three-phase voltages exceed the range, and appropriate time delay is carried out according to set time delay action time, conversion signals are output on corresponding three-phase relay contacts, the three-phase voltage relay can be used as alarm signals, and can also be used for driving and controlling the normal work of external electrical equipment, and the detection and control signals are transmitted to a background management system; meanwhile, the internal circuit carries out data sampling and analysis by encoding binary data output by the three groups of dial switches in a four-bit mode to the single chip microcomputer control module, outputs three-phase relay control signals, and realizes the uniqueness and reliability of parameter setting of each three-phase voltage relay, so that the problems in the prior art are effectively solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.