阅读说明：本技术 一种智能阀门巡点检系统及其巡点检方法 (Intelligent valve inspection system and inspection method thereof ) 是由 王洋 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种智能阀门巡点检系统,包括阀门、节点控制器和手持终端,所述阀门上一对一设置所述节点控制器,所述阀门上还安装传感器,所述传感器采集所述阀门运行参数并传递给所述节点控制器,所述阀门的数量为一个以上,所述节点控制器和手持终端通过无线通信模块通信连接。本发明智能阀门巡点检系统及其巡点检方法,能够快速准确的对多个阀门进行巡点检,降低了人工巡检劳动强度,为维护检修提供数据支持。(The invention discloses an intelligent valve inspection system, which comprises valves, node controllers and handheld terminals, wherein the node controllers are arranged on the valves one by one, sensors are also arranged on the valves, the sensors acquire operating parameters of the valves and transmit the operating parameters to the node controllers, the number of the valves is more than one, and the node controllers and the handheld terminals are in communication connection through wireless communication modules. The intelligent valve inspection system and the inspection method thereof can quickly and accurately inspect a plurality of valves, reduce the labor intensity of manual inspection and provide data support for maintenance and repair.)

1. The utility model provides an intelligence valve patrols some system of examining which characterized in that: including valve, node controller and handheld terminal, one-to-one setting on the valve node controller, still install the sensor on the valve, the sensor is gathered valve operating parameter transmits for the node controller, the quantity of valve is more than one, node controller and handheld terminal pass through wireless communication module communication connection.

2. The intelligent valve patrol system according to claim 1, wherein: the sensor comprises a temperature sensor, a pressure sensor and a travel switch, the temperature sensor and the pressure sensor measure the temperature and the pressure of the cavity of the valve and continuously transmit signals to the node controller, and the travel switch feeds back the valve core of the valve to act on the node controller.

3. The intelligent valve polling system of claim 2, wherein: the node controller is in communication connection with the handheld terminal through a wireless local area network protocol.

4. The intelligent valve inspection system according to any one of claims 1 to 3, wherein: the node controller is provided with a switching value output module, and a switching value output terminal is connected to a control circuit of the valve core action executing element of the valve.

5. The intelligent valve patrol system according to claim 4, wherein: the valve core action executing element of the valve specifically adopts an air cylinder, and the switching value output terminal controls the action of the corresponding electromagnetic pneumatic valve.

6. The intelligent valve patrol system according to claim 1, wherein: and a switch button for starting the wireless communication module is arranged on the node controller.

7. An intelligent valve inspection method, which is characterized in that the inspection system of any one of the claims 1 to 6 is used for inspection, and comprises the following steps:

s1, the inspection worker carries the hand-held terminal to enter the position near a plurality of valves needing inspection, corresponding software is opened, and the valves are connected;

s2, reading the operation parameters of the valve;

and S3, storing the data to form a report.

8. The intelligent valve patrol inspection method according to claim 7, wherein the method comprises the following steps: in step S2, the read operation parameters include a valve cavity temperature, a valve cavity internal air pressure, a valve core opening and closing operation frequency, and alarm information.

9. The intelligent valve patrol inspection method according to claim 7, wherein the method comprises the following steps: in step S1, the switch button of the wireless communication module of the node controller needs to be turned on.

10. The intelligent valve patrol inspection method according to claim 7, wherein the method comprises the following steps: and step S3 is followed by a valve test action step, wherein the problem valve is tested, and a control signal is transmitted to the node controller through controlling a handheld terminal, and the node controller controls a valve core action execution element of the valve to perform a test opening and closing action.

Technical Field

The invention relates to the technical field of intelligent valves, in particular to an intelligent valve inspection system and an inspection method thereof.

Background

The industrial control of a power plant, the material feeding and important valves of a steam-water system are all integrated into a DCS system for centralized monitoring. For other valves which are not very important positions, such as valves in an ash removal system, the valves are manually operated to open and close an electric control cabinet, and are not integrated into a DCS system from the aspect of economy. Manual inspection is mainly performed on visual inspection, and the inspection content mainly refers to visual items, so that the service condition of the valve cannot be actually reflected. Moreover, the workload of manual operation is large, and the conditions of missed detection and recording errors often occur.

The valves at the positions also need to be monitored daily, maintained and overhauled in time, so that accidents caused by major faults are avoided, the service life of the valves is prolonged, and the problem needs to be solved by the technical scheme of quick and accurate inspection.

Therefore, it is necessary to develop an intelligent valve inspection system and an inspection method thereof.

Disclosure of Invention

The invention aims to provide an intelligent valve inspection system, which can quickly and accurately inspect a plurality of valves, reduce the labor intensity of manual inspection and provide data support for maintenance and overhaul.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention discloses an intelligent valve inspection system, which comprises valves, node controllers and handheld terminals, wherein the node controllers are arranged on the valves one by one, sensors are also arranged on the valves, the sensors acquire operating parameters of the valves and transmit the operating parameters to the node controllers, the number of the valves is more than one, and the node controllers and the handheld terminals are in communication connection through wireless communication modules.

Further, the sensors comprise a temperature sensor, a pressure sensor and a travel switch, the temperature sensor and the pressure sensor measure the temperature and the pressure of the cavity of the valve and continuously transmit signals to the node controller, and the travel switch feeds back the valve core to act on the node controller.

Further, the node controller and the handheld terminal are in communication connection through a wireless local area network protocol.

Furthermore, the node controller is provided with a switching value output module, and a switching value output terminal is connected to a control circuit of the valve core action executing element of the valve.

Further, the valve core action executing element of the valve specifically adopts an air cylinder, and the switching value output terminal controls the action of the corresponding electromagnetic pneumatic valve.

Further, a switch button for starting the wireless communication module is arranged on the node controller.

The invention also discloses an intelligent valve inspection method, which utilizes the intelligent valve inspection system to perform inspection operation and comprises the following steps:

s1, the inspection worker carries the hand-held terminal to enter the position near a plurality of valves needing inspection, corresponding software is opened, and the valves are connected;

s2, reading the operation parameters of the valve;

and S3, storing the data to form a report.

Further, in step S2, the read operation parameters include a temperature of the valve cavity, an air pressure in the valve cavity, a number of valve core opening and closing operations, and alarm information.

Further, in step S1, it is necessary to turn on a switch button of the wireless communication module of the node controller.

Further, a valve test action step is included after step S3, in which a problem valve is checked, a control signal is transmitted to the node controller by operating the handheld terminal, and the node controller controls the valve element action execution element of the valve to perform a test opening and closing action.

Compared with the prior art, the invention has the beneficial technical effects that:

according to the intelligent valve inspection system, temporary communication is established between the valves and the handheld terminal 5, the operation parameters of the valves are obtained, the use conditions of the valves are mastered, targeted maintenance and overhaul are facilitated, the service life of equipment is prolonged, meanwhile, manpower is saved due to the fact that inspection can be conducted quickly, and the labor intensity of workers is reduced. The intelligent valve inspection system can quickly and accurately inspect a plurality of valves, reduces the labor intensity of manual inspection and provides data support for maintenance and overhaul.

In addition, various operating parameters of the valve can be conveniently measured through the arrangement of various sensors, and the valve can be monitored in all directions; the node controller and the handheld terminal 5 which are in communication connection through the wireless local area network can collect valve operation parameters within a certain coverage range, and the safety of the system is improved. Through be provided with switching value output module on the node controller, be convenient for control the valve, patrol the spot promptly and examine the in-process, under the higher authority level user login condition, can also carry out action control to the valve, carry out the action test when being convenient for patrol the spot and examine. Be provided with shift knob through wireless communication module, open when being convenient for patrol the spot check operation, electric quantity and equipment are extravagant when avoiding not using, have improved equipment operating efficiency.

According to the intelligent valve inspection method, the operation parameters of the valve are collected through the steps and are arranged into a report form through software, inspection efficiency is greatly improved, and labor cost is reduced. Meanwhile, the statistical analysis is carried out on the operation condition of the valve, so that the valve is convenient to maintain and overhaul in a targeted manner, and the service life of the equipment is prolonged; the damage of the valve is predicted, spare parts are reserved in advance, and the influence of long-term shutdown on normal production is avoided.

Drawings

The invention is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic diagram of the components of an intelligent valve inspection system in an embodiment 1 of the invention;

fig. 2 is a schematic diagram of control connection in the intelligent valve patrol inspection system in embodiment 1 of the present invention.

Description of reference numerals: 1. a first valve; 101. a first node controller; 102. a temperature sensor; 103. a pressure sensor; 104. a travel switch; 105. a cylinder; 2. a second valve; 201. a second node controller; 3. a third valve; 301. a third node controller; 4. A fourth valve; 401. a fourth node controller; 5. a handheld terminal; 6. an ash storage bin; 7. and a feeding bin.

Detailed Description

The core of the invention is to provide an intelligent valve inspection system and an inspection method thereof, which can quickly and accurately inspect a plurality of valves, reduce the labor intensity of manual inspection and provide data support for maintenance and overhaul.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In embodiment 1, as shown in fig. 1 and fig. 2, an intelligent valve inspection system is applied to a power plant ash removal pneumatic conveying system. The intelligent valve inspection system comprises a valve, node controllers and a handheld terminal 5, wherein the node controllers are arranged on the valve in a one-to-one mode, sensors are further mounted on the valve, and the sensors acquire operating parameters of the valve and transmit the operating parameters to the node controllers. The node controller and the handheld terminal 5 are in communication connection through a wireless communication module. The valves are dome valves, the number of the valves is four, the valves are a first valve 1, a second valve 2, a third valve 3 and a fourth valve 4, and the valves are correspondingly provided with a first node controller 101, a second node controller 201, a third node controller 301 and a fourth node controller 401. The second valve 2 is arranged on a discharge pipeline of the ash storage bin 6 and outputs to the feeding bin 7, the third valve 3 and the fourth valve 4 are connected in series on a wind power conveying pipeline, ash pumped out by the feeding bin 7 enters a pipe section between the third valve 3 and the fourth valve 4 and is conveyed away by wind power, and the first valve 1 guides return air to the ash storage bin 6 to prevent blockage.

Through establishing interim communication contact between a plurality of valves and handheld terminal 5, acquire the operating parameter of a plurality of valves, grasp the in service behavior of valve, be convenient for pertinence maintain and overhaul, improved equipment life, simultaneously, can patrol and examine fast and save the manpower, reduced artifical intensity of labour. The intelligent valve inspection system can quickly and accurately inspect a plurality of valves, reduces the labor intensity of manual inspection and provides data support for maintenance and overhaul.

In a specific implementation manner of this embodiment, as shown in fig. 2, the sensors include a temperature sensor 102, a pressure sensor 103, and a travel switch 104, the temperature sensor 102 and the pressure sensor 103 measure the temperature and the pressure of the cavity corresponding to the valve and continuously send signals to the node controller, and the travel switch 104 feeds back the valve spool action to the counter unit of the node controller. Obviously, the sensor is not limited to the above sensor types, and may be expanded according to the actual situation, and the node controller is left with a corresponding analog input port, such as a detection sensor added with a specific component, and the like, and similar modifications fall into the protection scope of the present invention.

Specifically, each node controller is connected with the handheld terminal 5 through wireless local area network protocol communication.

Various operating parameters of the valve can be conveniently measured through the arrangement of various sensors, and the valve is monitored in an all-around manner; the node controller and the handheld terminal 5 which are in communication connection through the wireless local area network can collect valve operation parameters within a certain coverage range, and the safety of the system is improved.

In a specific embodiment of this embodiment, as shown in fig. 2, the node controller has a switching value output module, and a switching value output terminal is connected to a control circuit of the valve spool action actuator.

Specifically, as shown in fig. 2, the valve element actuation actuator is specifically a cylinder 105, and the switching value output terminal controls the actuation of the corresponding solenoid pneumatic valve.

Through be provided with switching value output module on the node controller, be convenient for control the valve, patrol the spot promptly and examine the in-process, under the higher authority level user login condition, can also carry out action control to the valve, carry out the action test when being convenient for patrol the spot and examine.

In a specific implementation manner of this embodiment, a switch button for turning on the wireless communication module is disposed on the node controller. Further, the wireless communication module can also be turned on and off in a soft start mode on the monitoring software of the handheld terminal 5. Similar variations fall within the scope of the invention.

Be provided with shift knob through wireless communication module, open when being convenient for patrol the spot check operation, electric quantity and equipment are extravagant when avoiding not using, have improved equipment operating efficiency.

The intelligent valve inspection system has the working process that: the handheld terminal 5 enters the areas of the first valve 1, the second valve 2, the third valve 3 and the fourth valve 4 of the ash removing pneumatic conveying system of the power plant, and the valves are not required to be checked and observed one by one manually. The handheld terminal 5 is connected with the first valve 1, the second valve 2, the third valve 3 and the fourth valve 4 through a wireless local area network, and is used for calling operation parameters of all the valves, valve cavity temperature, valve cavity internal gas pressure, valve core opening and closing action times and alarm information, storing and analyzing the operation parameters. When an abnormal condition is found, the handheld terminal 5 controls the cylinder 105 to act to perform test check on the valve.

The invention also provides an intelligent valve inspection method, which is used for inspection by using the intelligent valve inspection system in any one of the embodiments, and comprises the following steps:

s1, the inspection worker carries the hand-held terminal to enter the position near a plurality of valves needing inspection, corresponding software is opened, and the valves are connected;

s2, reading the operation parameters of the valve;

and S3, storing the data to form a report.

Specifically, in step S2, the read operation parameters include a valve cavity temperature, a valve cavity internal air pressure, a valve core opening and closing operation frequency, and alarm information.

Specifically, in step S1, the switch button of the wireless communication module of the node controller needs to be turned on.

Specifically, after step S3, a valve test action step is further included, in which a problem valve is checked, and a control signal is transmitted to the node controller by operating a handheld terminal, and the node controller controls a valve element action execution element of the valve to perform a test opening and closing action.

The operation parameters of the valve are collected through the steps, and are arranged into a report form through software, so that the inspection efficiency of the inspection tour is greatly improved, and the labor cost is reduced. Meanwhile, the statistical analysis is carried out on the operation condition of the valve, so that the valve is convenient to maintain and overhaul in a targeted manner, and the service life of the equipment is prolonged; the damage of the valve is predicted, spare parts are reserved in advance, and the influence of shutdown on normal production is avoided.

According to the intelligent valve inspection system, temporary communication is established between the valves and the handheld terminal 5, the operation parameters of the valves are obtained, the use conditions of the valves are mastered, targeted maintenance and overhaul are facilitated, the service life of equipment is prolonged, meanwhile, manpower is saved due to the fact that inspection can be conducted quickly, and the labor intensity of workers is reduced. The intelligent valve inspection system can quickly and accurately inspect a plurality of valves, reduces the labor intensity of manual inspection and provides data support for maintenance and overhaul. In addition, various operating parameters of the valve can be conveniently measured through the arrangement of various sensors, and the valve can be monitored in all directions; the node controller and the handheld terminal 5 which are in communication connection through the wireless local area network can collect valve operation parameters within a certain coverage range, and the safety of the system is improved. Through be provided with switching value output module on the node controller, be convenient for control the valve, patrol the spot promptly and examine the in-process, under the higher authority level user login condition, can also carry out action control to the valve, carry out the action test when being convenient for patrol the spot and examine. Be provided with shift knob through wireless communication module, open when being convenient for patrol the spot check operation, electric quantity and equipment are extravagant when avoiding not using, have improved equipment operating efficiency.

According to the intelligent valve inspection method, the operation parameters of the valve are collected through the steps and are arranged into a report form through software, inspection efficiency is greatly improved, and labor cost is reduced. Meanwhile, the statistical analysis is carried out on the operation condition of the valve, so that the valve is convenient to maintain and overhaul in a targeted manner, and the service life of the equipment is prolonged; the damage of the valve is predicted, spare parts are reserved in advance, and the influence of long-term shutdown on normal production is avoided.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.