Running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis

Abstract

The utility model relates to the technical field of high-voltage switches of a power distribution network, and discloses a running-in control device for integrating real-time fault diagnosis of a high-voltage intelligent switch, which comprises a programmable controller and N groups of direct-current relays, the programmable controller transmits running-in information to the improved recording unit, the improved recording unit comprises a product statistical unit and an operation statistical unit, the product statistical unit records and stores product running-in fault information, the operation statistical unit records and stores operation error information, and the product running-in fault information and the operation error information are jointly sent to the server. The high-voltage switch running-in device can replace workers to automatically carry out running-in on a high-voltage switch; the operation error information and the product running-in fault information are recorded and stored through the product statistical unit, the product application structure is improved in a targeted mode according to the product fault problem of the running-in situation, the technical level is improved, the running-in control device is improved in a targeted mode according to the operation error information, and efficient and stable running-in processing is better facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distribution network high voltage switch, concretely is a kind of high voltage intelligent switch integrated real-time fault diagnosis running-in control device. BACKGROUND

[0002] 10kV distribution network is an essential component in China's power system, as a link between power supply enterprises and users, it occupies an important position in the power system. However, in fact, 10kV distribution network technology is relatively backward, the task of transformation is huge, and with the continuous development of national economy, 10kV distribution network coverage area is wider and wider, and the density of distribution and transformation is increasing, which means that the demand for 10kV distribution switch will increase in the future for a long period of time.

[0003] High voltage switch as the main primary equipment of 10kV distribution network, its operation reliability is directly related to the operation safety of 10kV distribution network. Therefore, according to the state regulation, each 10kV distribution switch production enterprise must ensure that high voltage switch is operated enough before leaving factory in the production process control, so as to effectively reduce the failure phenomenon of high voltage switch in the operation process of 10kV distribution network. China patent publication No. CN207264949U proposes a kind of high voltage intelligent switch integrated real-time fault diagnosis running-in control device, including programmable controller, 220V stabilizer, 242V AC power supply, 187V AC power supply, 143V AC power supply, N fault indicator, a completion indicator and N group of DC relays.

[0004] However, during the running-in operation, there are still operation errors and product defects, therefore, we propose a kind of high voltage intelligent switch integrated real-time fault diagnosis running-in control device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high voltage intelligent switch integrated real-time fault diagnosis running-in control device to solve the problems proposed in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of high voltage intelligent switch integrated real-time fault diagnosis running-in control device, including programmable controller and N group of DC relays, the N group of DC relays includes relay RNQ, relay RN1C, relay RN1H, relay RN2H, relay RN3H, relay RN1F, relay RN2F, relay RN3F, relay RN4F and relay RNW;

[0007] redundancy module for monitoring its power supply is arranged on the programmable controller, and the redundancy module includes at least one microprocessor, sensor assembly, wireless alarm;

[0008] The input points of the programmable controller are electrically connected with the energy storage position button, the closing position button, the opening position button, the starting button and the stopping button corresponding to each group of the DC relays respectively;

[0009] The output points of the programmable controller are electrically connected with the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RNQ, RN1C, RN1H, RN2H, RN3H, RN1F, RN2F, RN3F, RN4F and RNW of each group of the DC relays respectively;

[0010] The input ends of the relays RN1H, RN3H, RN1F, RN3F and RN4F of each group of the DC relays are electrically connected to the output end of the 220V stabilizer through the 242V AC power supply or the 187V AC power supply or the 143V AC power supply respectively;

[0011] The input end of the 220V stabilizer is electrically connected with the 220V mains, and each relay RNQ corresponds to a fault indicating lamp in series, and N relays RNW are connected in series with a completion indicating lamp;

[0012] The programmable controller transmits and sends the run-in information to the improved record unit, the improved record unit comprises a product statistics unit and an operation statistics unit, the product statistics unit records and stores product run-in fault information, the operation statistics unit records and stores operation error information, and the improved record unit and the operation statistics unit are jointly sent to a server.

[0013] As an optional scheme of the run-in control device of the high-voltage intelligent switch set, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1H and RN1F, and the input ends of the relays RN1H and RN1F are connected to the output end of the 220V stabilizer through the 242V AC power supply.

[0014] As an optional scheme of the run-in control device of the high-voltage intelligent switch set, the output points of the programmable controller are electrically connected with the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1C, RN2H and RN2F, and the input ends of the relays RN1C, RN2H and RN2F are directly electrically connected to the output end of the 220V stabilizer.

[0015] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0016] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0017] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0018] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0019] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0020] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0021] As an optional scheme of the high-voltage intelligent switch centralized running-in control device, the output points of the programmable controller are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer through the 187V alternating power supply.

[0022] Compared with the prior art, the high-voltage intelligent switch centralized running-in control device has the following beneficial effects:

[0023] 1. The running-in control device can automatically run in the high-voltage switch instead of workers, avoid the safety risk caused by insufficient running-in times due to workers' laziness, and effectively reduce the labor intensity of workers and the labor cost of enterprises.

[0024] 2. The running-in control device can collect the closing, opening and energy storage position signals of each switch through the PLC controller, automatically calculate and logically judge according to the designed program, control the running-in voltage, interval time and running-in times through the output of the PLC according to the written running-in program, and ensure the consistency of the running-in test and the quality of the high-voltage switch after running-in.

[0025] 3、The running-in control device, through the product statistical unit records and stores the operation failure information and product running-in failure information, can facilitate the staff to understand the failure information of the product in the automatic running-in process of the running-in control device, improve the product application structure according to the product failure problem of the running-in condition, improve the technical level, and improve the running-in control device according to the operation failure information, which is more beneficial to efficient and stable running-in processing. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 It is a process block diagram of product running-in statistics of the utility model;

[0028] Figure 3 It is a connection structure diagram of the programmable controller and the redundancy module.

[0029] In the figure: 1, programmable controller; 11, redundancy module; 101, energy storage position button; 102, closing position button; 103, opening position button; 104, start button; 105, stop button; 2, 220V stabilizer; 3, 242V AC power supply; 4, 187V AC power supply; 5, 143V AC power supply; 6, fault indicator; 7, indicator; 8, 220V mains. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1-2 The utility model provides a kind of technical scheme: the utility model provides a kind of high pressure intelligent switch centralized running-in control device. Figure 1As shown, the running-in control device comprises a programmable controller 1, a 3kW 220V stabilizer 2, a 1.8kW 242V AC power supply 3, a 1.8kW 187V AC power supply 4, a 1.8kW 143V AC power supply 5, 6 fault indicator lights 6, a completion indicator light 7 and 6 groups of DC relays; wherein the 6 groups of DC relays adopt 24VDC small relays, and each group of the DC relays comprises a relay RNQ, a relay RN1C, a relay RN1H, a relay RN2H, a relay RN3H, a relay RN1F, a relay RN2F, a relay RN3F, a relay RN4F and a relay RNW; the input points of the programmable controller 1 are respectively electrically connected with the corresponding energy storage position button 101, the closing position button 102, the opening position button 103, the start button 104 and the stop button 105 of each group of the DC relays; the output points of the programmable controller 1 are respectively electrically connected with the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relay RNQ, the relay RN1C, the relay RN1H, the relay RN2H, the relay RN3H, the relay RN1F, the relay RN2F, the relay RN3F, the relay RN4F and the relay RNW of each group of the DC relays; the input ends of the relay RN1H, the relay RN3H, the relay RN1F, the relay RN3F and the relay RN4F of each group of the DC relays are respectively electrically connected to the output end of the 220V stabilizer 2 through the 242V AC power supply or the 187V AC power supply or the 143V AC power supply; the input ends of the relay RN1C, the relay RN2H, the relay RN2F, the relay RNQ and the relay RNW of each group of the DC relays are electrically connected to the output end of the 220V stabilizer 2; the input end of the 220V stabilizer 2 is electrically connected with the 220V municipal power line 8; each relay RNQ corresponds to a fault indicator light 6 in series, and the 6 relays RNW are connected in series with a completion indicator light 7, and the fault indicator light 6 and the completion indicator light 7 adopt 24VDCV light-emitting diode indicator lights.

[0032] In the embodiment, as Figure 3As shown, the programmable controller 1 is provided with a redundancy module 11 for monitoring the power supply thereof, the redundancy module including at least one microprocessor, a sensor assembly including a current sensor, a temperature sensor, a voltage sensor, a wireless alarm, and an emergency backup power supply; during the running-in process of the high-voltage switch, the microprocessor in the redundancy module collects and analyzes various electrical parameters such as current, voltage, power factor, etc. fed back from the high-voltage switch in real time. Once an abnormal parameter is found, it indicates that the high-voltage switch may have a product defect. At this time, the data storage chip records the time of the abnormality, the specific parameters, and the detailed information of the running-in operation steps at that time. At the same time, the redundancy control module feeds back these information to the upper computer system, and through special data analysis software, the data is deeply mined to provide a strong basis for technical personnel to improve the design and production process of the high-voltage switch. For example, if it is found that a certain batch of high-voltage switches frequently have an abnormality of a certain specific electrical parameter during the running-in process, the technical personnel can check the production links related to the parameter, such as the quality of parts, assembly process, etc.

[0033] In the present embodiment, the output points of the programmable controller 1 are respectively electrically connected to the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1C, RN2H and RN2F, and the input ends of the relays RN1C, RN2H and RN2F are directly electrically connected to the output end of the 220V stabilizer 2. The output points of the programmable controller 1 are respectively electrically connected to the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1H and RN1F, and the input ends of the relays RN1H and RN1F are connected to the output end of the 220V stabilizer 2 through a 242V AC power supply. The output points of the programmable controller 1 are respectively electrically connected to the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer 2 through a 187V AC power supply. The output points of the programmable controller 1 are electrically connected to the opening circuit of the high-voltage switch to be run-in through the output end of the relay RN3F, and the input end of the relay RN3F is connected to the output end of the 220V stabilizer 2 through a 143V AC power supply.

[0034] The high-voltage switch centralized automatic grinding control device of the application can be installed in any closed and soundproof grinding operation area with an area of about 60 square meters in a high-voltage switch production workshop, and can be directly installed on the wall in the area. The input points of the programmable controller (PLC) are respectively connected with the opening amount of each high-voltage switch, i.e. the energy storage position, the closing position, the opening position and the start and stop buttons. The output points of the programmable controller are respectively connected with the energy storage circuit, the closing circuit and the opening circuit of the Nth (N = 1, 2, 3, 4, 5, 6) high-voltage switch through the output nodes of the output relays RNQ, RN1C, RN11H, RN2H, RN3H, RN1F, RN2F, RN3F, RN4F and RNW. The six high-voltage switches are automatically operated and tested through the PLC running program

[0035] In the program of the programmable controller, 5 times of C-10s-O-10s operation of 187V closing and 143V opening, 5 times of C-10s-O-10s operation of 220V closing and 220V opening, 5 times of C-10s-O-10s operation of 242V closing and 242V opening, and 3 times of O-0.3s-CO-20s-C-20s operation of 220V closing and 220V opening are programmed, and a total of five cycles (105 times) of grinding operation test program are counted. The operation voltages of 242V, 220V, 187V and 143V are automatically obtained from the PLC output to the output nodes of the relays RNQ, RN1C, RN11H, RN2H, RN3H, RN1F, RN2F, RN3F, RN4F and RNW (N = 1, 2, 3, 4, 5, 6) of the Nth switch according to the operation program, so as to ensure that the test is performed according to the predetermined operation sequence and operation voltage.

[0036] When an error occurs in a certain mechanical operation sequence of a certain switch, the RNQ relay operates, the grinding operation test of the problematic high-voltage switch is automatically stopped, and the operator is automatically informed that the grinding operation test of the Nth group of switches fails through the warning light installed outside the grinding room. When the grinding operation test of the six high-voltage switches is completed, the green light installed outside the grinding room will flash, and the worker can enter the grinding operation room without any operation noise to take out the six switches that have been ground, and then put in another six switches that need to be ground for operation.

[0037] In order to facilitate the feedback of the grinding control device to the problems occurring in the grinding process, the high-voltage switch is improved.

[0038] In the embodiment, the programmable controller 1 transmits the running-in information to the improved record unit, the improved record unit comprises a product statistics unit and an operation statistics unit, the product statistics unit records product running-in failure information, the operation statistics unit records operation failure information, and the improved record unit transmits the information to a server, so that the server can learn the failure information of the product in the automatic running-in process of the running-in control device, the product application structure can be improved according to the product failure problem in the running-in process, the technical level can be improved, and the running-in control device can be improved according to the operation failure information, so that the running-in process is more efficient and stable.

[0039] The device can replace workers to automatically run in high-voltage switches, thereby avoiding the phenomenon that the safety risk caused by the insufficient running-in times due to the laziness of workers, and effectively reducing the labor intensity of workers and the labor cost of enterprises.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-voltage intelligent switch integrated real-time fault diagnosis running-in control device, characterized in that, The controller (1) comprises N groups of DC relays, including relay RNQ, relay RN1C, relay RN1H, relay RN2H, relay RN3H, relay RN1F, relay RN2F, relay RN3F, relay RN4F and relay RNW. The controller (1) is provided with a redundancy module (11) for monitoring the power supply thereof, which comprises at least one microprocessor, a sensor assembly and a wireless alarm. The input points of the controller (1) are electrically connected with the energy storage position button (101), the closing position button (102), the opening position button (103), the start button (104) and the stop button (105) corresponding to each group of DC relays. The output points of the controller (1) are electrically connected with the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RNQ, RN1C, RN1H, RN2H, RN3H, RN1F, RN2F, RN3F, RN4F and RNW of each group of DC relays. The input ends of the relays RN1H, RN3H, RN1F, RN3F and RN4F of each group of DC relays are electrically connected to the output end of the 220V stabilizer (2) through the 242V AC power supply (3) or the 187V AC power supply (4) or the 143V AC power supply (5). The input end of the 220V stabilizer (2) is electrically connected with the 220V power line (8); one fault indicator lamp (6) is connected in series with each relay RNQ, and N relays RNW are connected in series with one completion indicator lamp (7). The controller (1) transmits the run-in information to the improved record unit, which comprises a product statistics unit and an operation statistics unit, the product statistics unit records and stores the product run-in fault information, and the operation statistics unit records and stores the operation error information, which are transmitted to the server together.

2. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The output points of the controller (1) are electrically connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1H and RN1F, and the input ends of the relays RN1H and RN1F are connected to the output end of the 220V stabilizer (2) through the 242V AC power supply.

3. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The output points of the controller (1) are electrically connected with the energy storage circuit, the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN1C, RN2H and RN2F, and the input ends of the relays RN1C, RN2H and RN2F are directly connected to the output end of the 220V stabilizer (2).

4. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The output points of the programmable controller (1) are respectively connected with the closing circuit and the opening circuit of the high-voltage switch to be run-in through the output ends of the relays RN3H and RN4F, and the input ends of the relays RN1H and RN4F are connected to the output end of the 220V stabilizer (2) through the 187V AC power supply (4).

5. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The output point of the programmable controller (1) is connected with the opening circuit of the high-voltage switch to be run-in through the output end of the relay RN3F, and the input end of the relay RN3F is connected to the output end of the 220V stabilizer (2) through the 143V AC power supply.

6. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to any one of claims 1-5, characterized in that: N is equal to or greater than 6.

7. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The 242V AC power supply (3), the 187V AC power supply (4) and the 143V AC power supply (5) are all 1.8kW.

8. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The 220V stabilizer (2) is 3kW.

9. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: The sensor assembly comprises a current sensor, a temperature sensor and a voltage sensor.

10. The running-in control device of high-voltage intelligent switch integrated real-time fault diagnosis according to claim 1, characterized in that: An emergency backup power supply is further arranged in the redundancy module.

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