High-voltage switch simulator detection device

Abstract

The utility model relates to the field of high-voltage switch simulators, in particular to a high-voltage switch simulator detection device. According to the high-voltage switch simulator detection device, the standard timer module is matched with the timer triggering timing module and the timer stopping timing module to control the standard timer module and the high-voltage switch simulator to start timing and stop timing at the same time, so that the opening and closing time of the high-voltage switch simulator is accurately detected; the maximum uncertainty of the opening and closing time of the high-voltage switch simulator obtained through the high-voltage switch simulator detection device is smaller than or equal to + / -0.1%, the three-phase and high-voltage power industry characteristics of the high-voltage switch and the working test requirements of operators in the production field environment are met, and the high-voltage switch simulator detection device is convenient to use, safe, reliable and convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure switch simulator field, especially a kind of high pressure switch simulator detection device. BACKGROUND

[0002] High pressure switch simulator is increasingly widely used in electric power industry, especially in the whole set test of relay protection device, as key equipment, instead of real high voltage circuit breaker and carry out the simulation operation of tripping and closing.This substitution not only reduces the frequent test demand under the non-operation state of real high voltage circuit breaker, protects the expensive and important high voltage circuit breaker equipment, but also significantly improves the safety and efficiency of test.

[0003] Current high pressure switch simulator has basic measurement performance of simulating tripping and closing (opening and closing) time, in order to ensure that high pressure switch simulator meets the standard in actual application, the accuracy and stability of high pressure switch simulator simulation opening and closing time must be detected regularly, to ensure that high pressure switch simulator can be executed correctly at critical moment, therefore, provide a kind of efficient, accurate high pressure switch simulator verification device, whether high pressure switch simulator meets the established technical standards and requirements through the accurate measurement of the opening and closing time of high pressure switch simulator, which not only helps to improve the overall performance level of high pressure switch simulator, but also provides more reliable guarantee for the safe and stable operation of electric power industry. CONTENT OF UTILITY MODEL

[0004] Therefore, the utility model provides a kind of high pressure switch simulator detection device.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of high pressure switch simulator detection device, comprising:

[0006] Standard timer module, timer trigger timing module, timer stop timing module, power supply module, high pressure switch simulator interface, tripping and closing selection module;

[0007] The standard timer module is connected with the timer trigger timing module and the timer stop timing module, the power supply module is connected with the timer trigger timing module and the high pressure switch simulator interface, the timer stop timing module is connected with the tripping and closing selection module, and the high pressure switch simulator interface is connected with the tripping and closing selection module;

[0008] The standard timer module comprises a standard timer A-phase unit, a standard timer B-phase unit and a standard timer C-phase unit, which are connected in parallel; each of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit comprises a start timing subunit and a stop timing subunit;

[0009] The timer trigger timing module is connected to the start timing subunits of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit of the standard timer module, and controls the start timing of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit.

[0010] The timer stop timing module is connected to the stop timing subunits of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit, and controls the stop timing of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit.

[0011] The high-voltage switch simulator comprises a timer and a simulated switch coil; the timer and the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit of the standard timer module start timing at the same time, and when the timer in the high-voltage switch simulator reaches the closing and opening reference time, the timer stops timing, and at the same time, the simulated switch coil outputs the closing and opening switch quantity signals to the jump and close selection module, drives the timer stop timing module to control the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit of the standard timer module to stop timing, and obtains the actual closing and opening time of the standard timer module.

[0012] Optionally, the timer trigger timing module comprises an optical coupling isolation structure, the output end of the optical coupling isolation structure is connected to the start timing subunits of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit, and drives the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit to start timing.

[0013] Optionally, the opening and closing selection module comprises an opening and closing terminal button, an ABC three-phase closing light coupling array structure, an ABC three-phase tripping light coupling array structure and a second switch, the opening and closing terminal button and the second switch are connected in series to form a second series structure, one end of the second series structure is connected with the high-voltage switch simulator interface for receiving the opening and closing switch signal output by the analog switch coil in the high-voltage switch simulator, and the other end of the second series structure is connected with the ABC three-phase closing light coupling array structure and the ABC three-phase tripping light coupling array structure to drive the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit of the standard timer module to stop timing by the timer stop timing module, so as to obtain the actual opening and closing time of the standard timer module.

[0014] Optionally, the timer stop timing module comprises a first ABC three-phase relay group, the A-phase tripping input end of the first ABC three-phase relay group, the B-phase tripping input end of the first ABC three-phase relay group and the C-phase tripping input end of the first ABC three-phase relay group are connected with the A-phase output end, the B-phase output end and the C-phase output end of the corresponding ABC three-phase tripping light coupling array structure, the A-phase closing input end of the first ABC three-phase relay group, the B-phase closing input end of the first ABC three-phase relay group and the C-phase closing input end of the first ABC three-phase relay group are connected with the A-phase output end, the B-phase output end and the C-phase output end of the corresponding ABC three-phase closing light coupling array structure, and the A-phase output end, the B-phase output end and the C-phase output end of the first ABC three-phase relay group are connected with the stop timing sub-unit of the standard timer A-phase unit, the standard timer B-phase unit and the standard timer C-phase unit.

[0015] Optionally, the power supply module comprises an AC / DC voltage stabilizing unit, an external voltage unit and a voltage selection unit, the AC / DC voltage stabilizing unit and the external voltage unit are connected with one end of the voltage selection unit, and the other end of the voltage selection unit is connected with the timer trigger timing module and the high-voltage switch simulator interface as one end of the power supply module.

[0016] Optionally, the starting module is further included, the starting module comprises a first switch and a delay disconnection control board, the first switch and the delay disconnection control board are connected in series to form a first series structure, one end of the first series structure is connected with the power supply module, and the other end is connected with the other end of the timer trigger timing module and the high-voltage switch simulator interface; when the first switch is closed, the power supply module is connected with the high-voltage switch simulator and the high-voltage switch simulator detection device, and the high-voltage switch simulator and the high-voltage switch simulator detection device are powered; and the timer in the standard timer module and the high-voltage switch simulator starts timing.

[0017] Optionally, the ABC three-phase reset module is further included, the ABC three-phase reset module comprises an A-phase reset subunit, a B-phase reset subunit and a C-phase reset subunit; the A-phase timer reset subunit, the B-phase reset subunit and the C-phase timer reset subunit are connected with the A-phase timer clear subunit, the B-phase reset subunit and the C-phase timer clear subunit correspondingly.

[0018] Optionally, the standard timer high-resolution module is further included, the standard timer high-resolution module comprises a resolution A-phase time reference subunit, a resolution B-phase time reference subunit and a resolution C-phase time reference subunit; the timer A-phase unit comprises a timer A-phase time reference subunit, the timer B-phase unit comprises a timer B-phase time reference subunit, and the timer C-phase unit comprises a timer B-phase time reference subunit; the resolution A-phase time reference subunit, the resolution B-phase time reference subunit and the resolution C-phase time reference subunit are connected with the timer A-phase time reference subunit, the timer B-phase time reference subunit and the timer C-phase time reference subunit correspondingly.

[0019] Optionally, the direct-current voltmeter is further included, one end of the direct-current voltmeter is connected with the delay disconnection control board, and the other end is grounded.

[0020] Optionally, the high-voltage switch simulator further comprises a switch unit and a high-voltage circuit breaker unit, so as to simulate a high-voltage circuit breaker.

[0021] In conclusion, the advantages and beneficial effects of the utility model are as follows:

[0022] This application provides a high-voltage switch simulator testing device. The device employs a standard timer module in conjunction with a timer triggering module and a timer stop module to control the simultaneous start and stop of timing for both the standard timer module and the high-voltage switch simulator. This allows for precise detection of the opening and closing times of the high-voltage switch simulator. The maximum uncertainty of the opening and closing times obtained by this device is ≤ ±0.1%, meeting the testing requirements of three-phase, high-voltage power industry operations and production site environments. It is convenient, safe, reliable, and easy to maintain. The high-voltage switch simulator testing device described in this application is low-cost and uses inexpensive materials and components. Furthermore, it is more widely applicable than most laboratory-type single-phase, low-voltage precision instruments, which have high standards and requirements for the operating environment and personnel. Attached Figure Description

[0023] Figures 1-2 This is a schematic diagram of a high-voltage switch simulator testing device provided in an embodiment of the present invention. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solution of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] This utility model provides a high-voltage switch simulator testing device, such as... Figures 1-2 As shown, it includes:

[0027] The standard timer module 10, the timer trigger timing module 20, the timer stop timing module 30, the power supply module 40, the high-voltage switch simulator interface 50, the jump and close selection module 60, the standard timer module 10 and the timer trigger timing module 20, the timer stop timing module 30 are connected, the power supply module 40 is connected with the timer trigger timing module 20, the high-voltage switch simulator interface 50, the timer stop timing module 30 is connected with the jump and close selection module 60, the high-voltage switch simulator interface 50 is connected with the jump and close selection module 60;

[0028] The standard timer module 10 includes a standard timer A phase unit, a standard timer B phase unit, a standard timer C phase unit, and the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit are connected in parallel; the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit all include a start timing subunit and a stop timing subunit;

[0029] The timer trigger timing module 20 is connected with the start timing subunit of the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit of the standard timer module 10, and the timer trigger timing module 20 controls the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit to start timing;

[0030] The timer stop timing module 30 is connected with the stop timing subunit of the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit, and the timer stop timing module 30 controls the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit to stop timing;

[0031] Wherein, the high-voltage switch simulator 501 includes a timer and an analog switch coil; the timer and the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit of the standard timer module 10 start timing at the same time, when the timer in the high-voltage switch simulator 501 reaches the breaking and closing reference time, the timer stops timing, at the same time, the analog switch coil outputs the breaking and closing switch quantity signal to the jump and close selection module 60, drives the timer stop timing module 30 to control the standard timer A phase unit, the standard timer B phase unit, the standard timer C phase unit of the standard timer module 10 to stop timing, and obtains the breaking and closing actual time of the standard timer module 10.

[0032] Specifically, in the embodiment of the utility model, the high voltage switch simulator 501 is also called high voltage circuit breaker simulator, comprising a simulation switch coil 511 and a timer 512, the timer 512 is provided with a breaking reference time and a closing reference time (that is: breaking and closing reference time), when the simulation switch coil 511 is turned on, the timer 512 starts timing, and the standard timer module 10 starts timing at the same time; when the timer 512 reaches the set breaking and closing reference time, the timer 512 stops timing, the simulation switch coil 511 outputs the breaking and closing switch quantity signal to the high voltage switch simulator detection device, the breaking and closing switch quantity signal is used to drive the standard timer module 10 to stop timing, the breaking actual time and the closing actual time (that is: breaking and closing actual time) are obtained, and the uncertainty of the high voltage switch simulator 501 is obtained by comparing the breaking and closing actual time with the breaking and closing reference time.

[0033] In the embodiment of the utility model, the high voltage switch simulator detection device is used for detecting the breaking and closing time interval and the three-phase breaking and closing time synchronism of the high voltage switch simulator with the maximum range of 600ms and the uncertainty level of 0.5 level and below.

[0034] In the embodiment of the utility model, the power supply module 40 comprises an AC / DC voltage stabilizing unit 401, an external voltage unit 402 and a voltage selection unit 403; the AC / DC voltage stabilizing unit 401 and the external voltage unit 402 are connected with one end of the voltage selection unit 403, the other end of the voltage selection unit 403 is connected with the timer trigger timing module 20 and the high voltage switch simulator interface 50 as one end of the power supply module 40, the power supply module 40 provides the action voltage signal for the high voltage switch simulator detection device and the high voltage switch simulator 501 and provides the working power supply for other instruments, meters, relays and the like in the high voltage switch simulator detection device.

[0035] In other embodiments, the AC / DC voltage stabilizing unit in the power supply module is used to provide the voltage signal for the action of the high voltage switch simulator detection device and the high voltage switch simulator, the voltage signal is strong, which is 220V / 110V (220V or 110V); the communication signal of other instruments, meters, timers and relays in the high voltage switch simulator detection device is 5V, which is provided separately.

[0036] In the embodiment of the utility model, the AC / DC voltage stabilizing unit 401 and the voltage selection unit 403 are integrated in the high voltage switch simulator detection device.

[0037] In the embodiment of the utility model, the voltage selection unit 403 includes two-layer three-position switch K3, the output end of AC / DC voltage stabilizing unit 401 is connected with the inner layer of two-layer three-position switch K3, the output end of external voltage unit 402 is connected with the outer layer of two-layer three-position switch K3, because the operating voltage of high-voltage switch simulator 501 is usually 220V or 110V, when the current corresponding to the operating voltage of high-voltage switch simulator 501 is less than 500mA, two-layer three-position switch K3 connects AC / DC voltage stabilizing unit 401 to convert alternating current into direct current, and supplies power for high-voltage switch simulator detection device and high-voltage switch simulator 501, when the current corresponding to the operating voltage is greater than 500mA, two-layer three-position switch K3 connects external voltage unit 402 to supply power for high-voltage switch simulator detection device and high-voltage switch simulator 501, and external voltage unit 402 is 220V or 110V direct-current stabilized power supply.

[0038] The high-voltage switch simulator detection device adopts the AC / DC voltage stabilizing unit 401 attached or the external voltage unit 402 arranged outside the high-voltage switch simulator detection device to supply power for the high-voltage switch simulator detection device and the high-voltage switch simulator 501 to cooperate with the work of the high-voltage switch simulator 501, and ensure the reliability of the high-voltage switch simulator detection device.

[0039] In the embodiment of the utility model, the high-voltage switch simulator detection device further includes a starting module 70, the starting module 70 includes a first switch K1 and a delay disconnecting control board 701, the first switch K1 and the delay disconnecting control board 701 are connected in series to form a first series structure, one end of the first series structure is connected with the power supply module 40, and the other end is connected with the timer triggering timing module 20 and the high-voltage switch simulator interface 50, when the first switch K1 is closed, the power supply module 40 is connected with the high-voltage switch simulator 501 and the high-voltage switch simulator detection device to supply power for the high-voltage switch simulator 501 and the high-voltage switch simulator detection device, and the standard timer module 10 and the timer 512 in the high-voltage switch simulator 501 all start timing, wherein the delay disconnecting control board 701 is used to avoid long-time power-on of the high-voltage switch simulator coil.

[0040] In the embodiment of the utility model, the timer triggering timing module 20 includes an optical coupling isolation structure, the output end of the optical coupling isolation structure is connected with the start timing subunit of the standard timer A phase unit, the standard timer B phase unit and the standard timer C phase unit to drive the standard timer A phase unit, the standard timer B phase unit and the standard timer C phase unit to start timing.

[0041] In the embodiment of the utility model, when the timer trigger timing module 10 includes the optical coupling isolation structure, the timer trigger timing module further includes current -limiting resistor R, one end of current -limiting resistor R is connected with the input end of optical coupling isolation structure, the other end of current -limiting resistor R is connected with power module 40 for current -limiting to match the work of optical coupling isolation structure. Specifically, after current -limiting resistor R, the output voltage of optical coupling isolation structure is 12V.

[0042] Since the operating voltage of the high-voltage switch simulator 501 is a voltage signal loop of 110V or 220V, and the voltage drive loop of the timer trigger timing module 20 in the high-voltage switch simulator detection device is a low-voltage loop of 12V, the high-voltage switch simulator 1 and the strong and weak power supply circuit of the high-voltage switch simulator detection device need to be isolated by an optical coupling isolation module to avoid mutual influence.

[0043] In the embodiment of the utility model, the opening and closing selection module includes opening and closing end button 601, ABC three-phase closing optical coupling array structure 602, ABC three-phase tripping optical coupling array structure 603 and second switch K2, the opening and closing end button 601 and second switch K2 are connected in series to form a second series structure, one end of the second series structure is connected with the high-voltage switch simulator port 50 for receiving the opening and closing switch signal, the other end of the second series structure is connected with the ABC three-phase closing optical coupling array structure 602 and the ABC three-phase tripping optical coupling array structure 603 to drive the timer stop timing module 30 to control the standard timer A phase unit, the standard timer B phase unit and the standard timer C phase unit of the standard timer module 10 to stop timing to obtain the actual opening and closing time of the standard timer module 10, wherein the second switch K2 is a self-locking type button switch with an indicator light, when the second switch K2 is pressed, the indicator light emits light, the closing A / B / C in the opening and closing end button 601 is connected with the A phase input end, B phase input end and C phase input end of the corresponding ABC three-phase closing optical coupling array structure in the ABC three-phase closing optical coupling array structure 602 through the second switch K2; when the second switch K2 is released, the indicator light does not emit light, the tripping A / B / C in the opening and closing end button 602 is connected with the A phase input end, B phase input end and C phase input end of the corresponding ABC three-phase tripping optical coupling array structure in the ABC three-phase tripping optical coupling array structure through the second switch K2.

[0044] In the embodiment of the utility model, the timer stop timing module 30 includes first ABC three -phase relay group;The A phase tripping input end of first ABC three -phase relay group, the B phase tripping input end of first ABC three -phase relay group, the C phase tripping input end of first ABC three -phase relay group are connected with the A phase output end of corresponding ABC three -phase tripping photocoupler array structure, the B phase output end of ABC three -phase tripping photocoupler array structure, the C phase output end of ABC three -phase tripping photocoupler array structure, the A phase closing input end of first ABC three -phase relay group, the B phase closing input end of first ABC three -phase relay group, the C phase closing input end of first ABC three -phase relay group are connected with the A phase output end of corresponding ABC three -phase closing photocoupler array structure, the B phase output end of ABC three -phase closing photocoupler array structure, the C phase output end of ABC three -phase closing photocoupler array structure, the A phase output end of first ABC three -phase relay group, the B phase output end of first ABC three -phase relay group, the C phase output end of first ABC three -phase relay group are connected with the stop timing subunit of corresponding standard timer A phase unit, standard timer B phase unit, standard timer C phase unit, the timer stop timing module 30 is used for driving the standard timer module 10 stop timing, thereby obtains the actual time of closing of standard timer module 10, opening.

[0045] In the embodiment of the utility model, the step of detecting the closing actual time of the high-voltage switch simulator includes:

[0046] The closing A / B / C position of the closing and opening end button 601 in the closing and opening selection module 60 is in the closing A / B / C position, the second switch K2 is pressed, so that the closing and opening end button 602 is connected with the A phase input end of the ABC three-phase closing photocoupler array structure, the B phase input end of the ABC three-phase closing photocoupler array structure and the C phase input end of the ABC three-phase closing photocoupler array structure in the corresponding ABC three-phase closing photocoupler array structure, and the com end in the closing and opening end button 601 is grounded, wherein the second switch K2 is a self-locking type button switch;

[0047] The first switch K1 in the starting module 70 is closed, so that the AC / DC voltage stabilizing unit 401 or the external voltage unit 402 supplies power to the high-voltage switch simulator detection device and the high-voltage switch simulator 501, at the same time, the analog switch coil 511 in the high-voltage switch simulator 501 is powered, the timer 512 in the high-voltage switch simulator 501 starts timing, and the timer trigger timing module 20 in the high-voltage switch simulator detection device drives the standard timer module 10 to start timing;

[0048] When the timer 512 in the high-voltage switch simulator 501 reaches the set closing reference time, the timer 512 in the high-voltage switch simulator 501 stops timing, at the same time, the simulation switch coil 511 outputs the opening and closing switch quantity signal to the high-voltage switch simulator detection device, the timer stopping timing module controls the standard timer module 10 to stop timing based on the opening and closing switch quantity signal, and the closing actual time is obtained;

[0049] By comparing the closing actual time with the closing reference time, the uncertainty of the high-voltage switch simulator 501 is obtained.

[0050] In the embodiment of the utility model, the high-voltage switch simulator reaches the set opening and closing reference time setting 100ms, and the corresponding standard timer module 10 obtains the opening actual time or closing actual time 100.20ms;The uncertainty of the detected high-voltage switch simulator 501 is the set opening and closing reference time 100ms minus the opening actual time or closing actual time 100.20ms of the standard timer module 10, equal to-0.2ms.

[0051] In the embodiment of the utility model, in the step of detecting the tripping actual time of the high-voltage switch simulator, the opening and closing end button 601 in the opening and closing selection module 60 is in the tripping A / B / C position, the second switch K2, so that the tripping A / B / C in the opening and closing end button 601 is connected with the A-phase input end of the ABC three-phase tripping optical coupling array structure, the B-phase input end of the ABC three-phase tripping optical coupling array structure and the C-phase input end of the ABC three-phase tripping optical coupling array structure in the corresponding ABC three-phase tripping optical coupling array structure, the com end in the opening and closing end button 601 is grounded, and the detection of the tripping actual time of the high-voltage switch simulator and the detection of the closing actual time of the high-voltage switch simulator are the same, so the embodiment only takes the detection of the closing actual time of the high-voltage switch simulator as reference.

[0052] In the embodiment of the utility model, it also includes an ABC three-phase reset module (not shown), the ABC three-phase reset module includes an A-phase reset subunit, a B-phase reset subunit and a C-phase reset subunit;The timer A-phase unit includes an A-phase timer clear subunit, the B-phase reset subunit includes a B-phase timer clear subunit, and the timer C-phase unit includes a C-phase timer clear subunit;The A-phase reset subunit, the B-phase reset subunit and the C-phase reset subunit are connected with the corresponding A-phase timer clear subunit, B-phase reset subunit and C-phase timer clear subunit, and the counting number of the standard timer module is reset through the ABC three-phase reset module before the next detection.

[0053] In the embodiment of the utility model, still include standard timer high resolution module (not shown), the standard timer high resolution module includes resolution A phase time reference subunit, resolution B phase time reference subunit, resolution C phase time reference subunit, timer A phase unit includes timer A phase time reference subunit, timer B phase unit includes timer B phase time reference subunit, timer C phase unit includes timer B phase time reference subunit, resolution A phase time reference subunit, resolution B phase time reference subunit, resolution C phase time reference subunit corresponding with timer A phase time reference subunit, timer B phase time reference subunit, timer C phase time reference subunit are connected, the standard timer high resolution module is used to improve the precision of the detection of high voltage switch simulator detection device, specifically, the resolution of the standard timer module is 10us, when starting the standard timer high resolution module, the resolution of the standard timer module can reach 1us.

[0054] In the embodiment of the utility model, still include direct current voltmeter 80, one end of direct current voltmeter 80 is connected with delay disconnecting control board 701, the other end is grounded, through direct current voltmeter 701, the detection process of high voltage switch simulator detection device is monitored, avoids device damage.

[0055] The high voltage switch simulator detection device uses integrated AC / DC voltage stabilizing unit 401 or external voltage unit 402 integrated in the interior or externally connected, and the detection of closing and opening is shared by the standard timer module 10 to switch the circuit, which is clear and simple and also facilitates subsequent maintenance.

[0056] Finally, any modification or equivalent replacement of part or all technical features of the technical solutions of the device structure and the embodiments of the utility model, the essence of which does not deviate from the corresponding technical solutions of the utility model, belongs to the patent range of the device structure and the embodiments of the utility model.

Claims

1. A high-voltage switch simulator testing device, characterized in that, include: Standard timer module, timer trigger timing module, timer stop timing module, power supply module, high-voltage switch simulator interface, trip / close selection module; The standard timer module is connected to the timer trigger timing module and the timer stop timing module. The power supply module is connected to the timer trigger timing module and the high-voltage switch simulator interface. The timer stop timing module is connected to the trip / close selection module. The high-voltage switch simulator interface is connected to the trip / close selection module. The standard timer module includes a standard timer A phase unit, a standard timer B phase unit, and a standard timer C phase unit, which are connected in parallel. Each standard timer A phase unit, standard timer B phase unit, and standard timer C phase unit includes a start timing subunit and a stop timing subunit. The timer trigger timing module is connected to the start timing subunits of the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit of the standard timer module. The timer trigger timing module controls the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit to start timing. The timer stop timing module is connected to the stop timing sub-units of the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit. The timer stop timing module controls the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit to stop timing. The high-voltage switch simulator includes a timer and an analog switch coil. The timer and the standard timer A-phase unit, standard timer B-phase unit, and standard timer C-phase unit of the standard timer module start timing simultaneously. When the opening and closing reference time of the timer in the high-voltage switch simulator is reached, the timer stops timing. At the same time, the analog switch coil outputs opening and closing switching signals to the trip / close selection module, driving the timer stop timing module to control the standard timer A-phase unit, standard timer B-phase unit, and standard timer C-phase unit of the standard timer module to stop timing, thereby obtaining the actual opening and closing time of the standard timer module.

2. The high-voltage switch simulator testing device as described in claim 1, characterized in that, The timer trigger timing module includes an optocoupler isolation structure. The output terminal of the optocoupler isolation structure is connected to the start timing subunit of the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit, driving the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit to start timing.

3. The high-voltage switch simulator testing device as described in claim 1, characterized in that, The trip / close selection module includes open and close terminals, an ABC three-phase closing optocoupler array structure, an ABC three-phase trip optocoupler array structure, and a second switch. The open and close terminals and the second switch are connected in series to form a second series structure. One end of the second series structure is connected to the interface of the high-voltage switch simulator to receive the open and close switching signals output by the analog switch coil in the high-voltage switch simulator. The other end of the second series structure is connected to the ABC three-phase closing optocoupler array structure and the ABC three-phase trip optocoupler array structure to drive the timer stop timing module to control the standard timer A phase unit, the standard timer B phase unit, and the standard timer C phase unit of the standard timer module to stop timing, thereby obtaining the actual open and close times of the standard timer module.

4. The high-voltage switch simulator testing device as described in claim 3, characterized in that, The timer stop timing module includes a first ABC three-phase relay group; the A-phase trip input terminal, B-phase trip input terminal, and C-phase trip input terminal of the first ABC three-phase relay group are connected to the A-phase output terminal, B-phase output terminal, and C-phase output terminal of the corresponding ABC three-phase trip optocoupler array structure; the A-phase closing input terminal, B-phase closing input terminal, and C-phase closing input terminal of the first ABC three-phase relay group are connected to the A-phase output terminal, B-phase output terminal, and C-phase output terminal of the corresponding ABC three-phase closing optocoupler array structure; and the A-phase output terminal, B-phase output terminal, and C-phase output terminal of the first ABC three-phase relay group are connected to the stop timing subunit of the corresponding standard timer A-phase unit, standard timer B-phase unit, and standard timer C-phase unit.

5. The high-voltage switch simulator testing device as described in claim 1, characterized in that, The power supply module includes: an AC / DC voltage regulator unit, an external voltage unit, and a voltage selection unit; the AC / DC voltage regulator unit and the external voltage unit are both connected to one end of the voltage selection unit, and the other end of the voltage selection unit serves as one end of the power supply module and is connected to the timer trigger timing module and the high-voltage switch simulator interface.

6. The high-voltage switch simulator testing device as described in claim 1, characterized in that, It also includes a startup module, which includes a first switch and a time-delay disconnection control board. The first switch and the time-delay disconnection control board are connected in series to form a first series structure. One end of the first series structure is connected to the power supply module, and the other end is connected to the other end of the timer trigger timing module and the high-voltage switch simulator interface. When the first switch is closed, the power supply module is connected to the high-voltage switch simulator and the high-voltage switch simulator detection device to supply power to the high-voltage switch simulator and the high-voltage switch simulator detection device. The timer in the standard timer module and the timer in the high-voltage switch simulator start timing.

7. The high-voltage switch simulator testing device as described in claim 1, characterized in that, It also includes an ABC three-phase reset module, which includes an A-phase reset subunit, a B-phase reset subunit, and a C-phase reset subunit; the A-phase timer unit includes an A-phase timer reset subunit, the B-phase reset subunit includes a B-phase timer reset subunit, and the C-phase timer unit includes a C-phase timer reset subunit; the A-phase reset subunit, the B-phase reset subunit, and the C-phase reset subunit are respectively connected to the A-phase timer reset subunit, the B-phase reset subunit, and the C-phase timer reset subunit.

8. The high-voltage switch simulator testing device as described in claim 1, characterized in that, It also includes a standard timer high-resolution module, which includes a resolution A-phase time reference subunit, a resolution B-phase time reference subunit, and a resolution C-phase time reference subunit; the timer A-phase unit includes a timer A-phase time reference subunit, the timer B-phase unit includes a timer B-phase time reference subunit, and the timer C-phase unit includes a timer B-phase time reference subunit; The resolution A-phase time reference subunit, resolution B-phase time reference subunit, and resolution C-phase time reference subunit are connected to the timer A-phase time reference subunit, the timer B-phase time reference subunit, and the timer C-phase time reference subunit, respectively.

9. The high-voltage switch simulator testing device as described in claim 6, characterized in that, It also includes a DC voltmeter, one end of which is connected to the time-delay disconnect control board, and the other end is grounded.

10. The high-voltage switch simulator testing device as described in claim 1, characterized in that, The high-voltage switch simulator also includes a switch unit and a high-voltage circuit breaker unit to simulate a high-voltage circuit breaker.

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