CN115792311A - Test interface conversion device for handcart switch - Google Patents
Test interface conversion device for handcart switch Download PDFInfo
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- CN115792311A CN115792311A CN202310068709.4A CN202310068709A CN115792311A CN 115792311 A CN115792311 A CN 115792311A CN 202310068709 A CN202310068709 A CN 202310068709A CN 115792311 A CN115792311 A CN 115792311A
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- 238000012360 testing method Methods 0.000 title claims abstract description 128
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000012546 transfer Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 15
- 230000009466 transformation Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
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- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011076 safety test Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention relates to the technical field of overhauling and testing of power transformation equipment, in particular to a handcart switch test interface conversion device. The controller is connected with the interface socket through a communication line and a signal line. The controller comprises a screen display module, a physical key module, a warning lamp module, an audio module, a communication module, a wiring module and a single chip microcomputer module. The interface socket comprises a 58-hole aviation socket and an electronic change-over switch module, and the 58-hole aviation socket is connected with the electronic change-over switch module. The single chip microcomputer module is in data communication connection with the electronic change-over switch module through a communication line, and the wiring module is electrically connected with the electronic change-over switch module through a signal line. The method has the characteristics of simple and labor-saving operation, and capability of measuring the data once inserted and avoiding hard connection operation of interface conversion.
Description
Technical Field
The invention relates to the technical field of overhauling and testing of power transformation equipment, in particular to a handcart switch test interface conversion device.
Background
In the production work site of the power industry, a handcart switch test is one of very important electrical test items and is a first defense line for ensuring whether a handcart switch normally operates. At present, in a test field, 58 aviation contact pins are arranged on a handcart switch aviation plug, and a gap between two adjacent contact pins is small, so that an operator generally adopts a hard connection mode to carry out test wiring, the mode needs one hand of the operator to hold the aviation plug stably, the other hand of the operator clamps two test pointers to be in continuous effective contact with the aviation contact pins until three continuous output results are taken as the test end, the operation needs to be repeated when test items are replaced each time, poor contact and falling phenomena are easy to occur in the process, test data are invalid, the test efficiency is low, the test pointers are easy to be in contact short circuit with each other, and even the electric shock casualties of the test personnel are caused.
The invention discloses a rapid wiring device for a handcart switching characteristic test (application number: 202220388852.2, published as 2022.8.19), and provides the rapid wiring device for the handcart switching characteristic test, wherein an aviation plug end female head, a cable and a test instrument end female head are connected in an inserted manner. Although this patent realizes the experimental quick wiring of handcart, and the test efficiency is high and connect reliably, but this patent need frequently carry out the disconnection problem to test pointer and aviation plug contact pin when changing the test item in the handcart switch test process, is unfavorable for changing the test item many times, and the range of application is little.
The Chinese invention patent application '10 kV breaker mechanical characteristic test portable aviation socket' (application number: 201910029459.7, published 2020.7.21) provides a 10kV breaker mechanical characteristic test portable aviation socket, a cable is connected with a contact pin, then is wrapped by an insulating sheath and then is inserted on a socket, the cable is wrapped by a corrugated pipe and a cable sheath, and the tail end of the cable is used as a connecting terminal to be connected with a 10kV breaker mechanical characteristic tester and a 10kV breaker body. Although the patent can detect the contact of the contact pin after one insertion, the contact of the contact pin is firm and the contact pin is convenient to carry, on one hand, the sheathing operation needs to be repeated when test items are replaced, and on the other hand, virtual connection or disconnection of the cable and the contact pin in the insulating sheath is easy to occur, so that test data is invalid.
Chinese patent 'a general experimental termination of switch handcart cabinet aviation plug' (application number: 202010150679.8, published 2020.5.29) proposes a general experimental termination of switch handcart cabinet aviation plug, and adopts the reaction force of a reset spring to tightly push an electric connection component against a contact pin of an aviation plug. Although this patent realizes the stability of circuit connection, wiring and prevents that the aviation plug from dropping among the test procedure to a certain extent, this patent on the one hand when dismantling experimental wiring or change experimental wiring in succession many times, the mechanical contact plug condition causes reset spring and trapezoidal metal piece damage, and on the other hand test project conversion process is long consuming time, influences efficiency of software testing.
The Chinese patent application No. 201610156735.2, published as 2018.8.10, proposes an intelligent converter for assisting switching of mechanical characteristic test modes of a handcart switch, which only processes 8 pin interfaces of an aviation plug, and does not completely solve the problem of time consuming wire disconnection caused by a large number of pin interfaces, for example, a 58-pin aviation plug is taken as an example, if the rest 50 pins need to be tested, the wire disconnection still needs to be carried out again, and the application range of the patent is small.
The Chinese patent 'a high-voltage switch cabinet handcart test device' (application number: 201811494763.0, announcement date 2019.4.16) provides a high-voltage switch cabinet handcart test device with jacks fixed on a wiring plug and only needing one-time plugging, an LED lamp is connected with a high-voltage switch cabinet handcart wiring terminal and a low-voltage action characteristic instrument in series, a test loop is conducted, although the test speed is improved, the test interface is prevented from being replaced, and wrong wiring is not easy to connect, but whether the LED lamp is on or off is not easy to see when the LED lamp is damaged and does not emit light or under the condition of sufficient light, the on-off of the test loop cannot be correctly judged, and the test efficiency is influenced; the test loop needs to be subjected to self-checking again after the failed LED lamp is replaced, and the requirement on the quality of the LED lamp is high. Therefore, the patent adopts the methods that the LED lamp is connected with the test loop in series, the switch is connected with the electromagnet in series and the electromagnet is connected with the LED lamp in series, so that physical connection operations such as screwing the switch or replacing the LED lamp for multiple times are required although the test interface is prevented from being replaced, and the whole device has the defects of complex structure, inconvenience in operation and the like.
In the existing equipment and method, on one hand, a handcart switch test pointer is in poor contact with an aviation plug contact pin, so that the handcart switch test pointer is easy to fall off to cause test invalidation and the test efficiency is low; on the other hand, when the test items are replaced, the test pointer and the aviation plug contact pin need to be frequently disconnected, and the test difficulty is improved.
Disclosure of Invention
The invention aims to provide a handcart switch test interface conversion device which is simple and labor-saving in operation, can be tested by plugging and avoids hard connection operation of interface conversion.
The technical solution of the invention is as follows: the handcart switch test interface conversion device is characterized by comprising a controller, wherein the controller is connected with an interface socket through a communication line and a signal line.
The controller comprises a screen display module, a physical key module, a warning light module, an audio module, a communication module, a wiring module and a single chip microcomputer module.
The interface socket comprises a 58-hole aviation socket and an electronic change-over switch module, and the 58-hole aviation socket is connected with the electronic change-over switch module.
The single chip microcomputer module is in data communication connection with the electronic change-over switch module through a communication line, and the wiring module is electrically connected with the electronic change-over switch module through a signal line.
In the above scheme, the method further comprises:
the electronic change-over switch module adopts 8 groups of 8-to-1 digital selectors.
The controller is connected with the mobile phone through the communication module, all operations and functions on the controller are realized on the mobile phone, and the controller is externally connected with the small printer through the communication module.
The controller is fixed on the insulating bracket.
The insulating support comprises a support head, a telescopic rod and a support seat which are connected in sequence, and the telescopic rod is provided with a searchlight.
This device during operation, through the serial number of two arbitrary 58 needle aviation plugs of physics button module input needs measurement, give the electronic transfer switch module with serial number information transfer through the communication line by single chip module, two plugs and the signal line intercommunication of electronic transfer switch module with corresponding serial number, the test instrument can the direct measurement correspond the signal of two contact pins of serial number through the wiring module.
The invention has the advantages that:
1. the 58-hole aviation socket and the 58-pin aviation plug are adopted for fast wiring, waste of time for connecting and disconnecting the connecting wire is greatly reduced, meanwhile, the aviation plug is combined with the lock catch for matching, reliability and stability of contact between the test pointer and the aviation plug pin are effectively improved, test complexity and danger are reduced, and one plug can be used for testing.
2. Adopt single chip module, electron change over switch module to realize the flexible coupling (the flexible coupling is the software coupling, namely through the circuit principle, software program control port output mode), adopt the flexible coupling mode to realize interface conversion, make full use of circuit principle, set for the signal of telecommunication switch-on test pointer through the procedure, avoid changing the hard connection operation of interface conversion among the experimental project process, greatly shortened test time, effectively solve and need frequently to tear off the wiring problem with aviation plug contact pin to test pointer, it is splendid to continuous multiunit test effect, make whole interface conversion device be suitable for extensive popularization and application very much, high test efficiency, it is accurate.
3. The communication module is connected with the mobile phone, so that the problems of narrow test space and severe test environment are effectively solved, the test efficiency is indirectly and effectively improved, and the safety test of a remote control instrument is realized.
4. The insulating support is provided, so that a test operator can conveniently perform program setting operation on the controller, and the problem of crouching and bending test of the operator in the test process is effectively solved. The tester can reasonably adjust the length of the telescopic rod to the optimal test position according to the height and the arm length of the tester. Adopt according to key lamp and light, guarantee that the device works reliably under the not enough environment of light, combine warning light and voice broadcast suggestion simultaneously, reduced invalid test operation process, improved experimental success rate, and then improve test efficiency.
5. By adopting the communication module to connect with the small printer externally, the time for test operators to write and record test data is saved on the premise of ensuring the test efficiency, the difficulty of arranging the test data is reduced, and the working efficiency is improved.
Embodiments of the present invention will be described in further detail with reference to examples.
Drawings
Fig. 1 is a schematic diagram of a controller structure.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a schematic view of an interface socket configuration.
Fig. 4 is a schematic top view of fig. 3.
Fig. 5 is a schematic left-side view of fig. 3.
Fig. 6 is a schematic diagram of a handcart switch test wiring.
Fig. 7 is a schematic structural diagram of the interface conversion device.
Fig. 8 is a schematic view of an insulating support structure.
Detailed description of the preferred embodiments
Referring to fig. 1-8, the part names are as follows: 1-controller, 2-communication line, 3-signal line, 4-interface socket, 5-insulating support, 6-58-pin aviation plug, 7-test instrument, 8-transmission line, 9-power supply, 10-outside lock catch, 101-screen display module, 102-physical key module, 103-warning light module, 104-audio module, 105-communication module, 106-wiring module, 107-single chip module, 401-58-hole aviation socket, 402-electronic transfer switch module, 501-support head, 502-telescopic rod, 503-searchlight, 504-support seat, button X1, button X2, button X3, button X4, connecting line jack A, connecting line jack B, connecting line jack C, public end connecting line jack N, connecting line A1, connecting line B1, connecting line C1 and public end connecting line N1.
Referring to fig. 1-8, the interface conversion device for the handcart switch test comprises a controller 1, a communication line 2, a signal line 3, an interface socket 4 and an insulating support 5. The controller 1 is connected with an interface socket 4 through a communication line 2 and a signal line 3.
Referring to fig. 1 and 2, the controller 1 includes a screen display module 101, a physical key module 102, a warning light module 103, an audio module 104, a communication module 105, a wiring module 106, and a single chip module 107.
Referring to fig. 3, 4 and 5, the interface socket 4 includes a 58-hole aviation socket 401 and an electronic transfer switch module 402, and the 58-hole aviation socket 401 is connected with the electronic transfer switch module 402. The 58-hole aviation socket 401 and the 58-pin aviation plug 6 are used for quickly connecting, waste of connecting and disconnecting time is greatly reduced, complexity and danger of tests are reduced, and the tests can be carried out by one-time plugging.
Referring to fig. 1 and 6, the single chip module 107 is in data communication with the electronic transfer switch module 402 through a communication line 2, and the wiring module 106 is electrically connected with the electronic transfer switch module 402 through a signal line 3. The type of the singlechip module 107 is as follows: AT89C1051. The electronic transfer switch module 402 is model number 74151. The electronic change-over switch module adopts 8 groups of 8-to-1 digital selectors which respectively correspond to the 58-pin aviation plug 6 and are used for controlling the on-off of each contact pin circuit, namely the AT89C1051 singlechip module 107 controls the 8 groups of 8-to-1 digital selectors through a serial port, and the outlet of the digital selector is connected with the 58-pin aviation plug 6. The electronic change-over switch module 402 can also be formed by connecting 58C 5706 high-frequency switching triodes in series with the 58-pin aviation plug 6, and the on-off of the circuit is realized by positive and negative electricity. Namely, the AT89C1051 singlechip module is connected with a high-frequency switch triode which is connected with the 58-pin aviation plug 6.
Referring to fig. 1, 3, 6 and 8, the controller 1 is fixed on the insulating support 5, and the whole device has the advantages of small volume, low cost and the like. The lateral wall of the 58-hole aviation socket 401 is provided with the outer side lock catch 10 (see fig. 3), so that the danger that the wire clamp falls off, shifts or is in series short circuit due to switch vibration in an experiment can be avoided, the reliability and stability of contact of an experiment pointer and the 58-pin aviation plug 6 are effectively improved, the complexity and danger of the experiment are reduced, and the experiment can be carried out by one-plug.
Referring to fig. 1, the controller 1 is connected with the mobile phone through the communication module 105, all operations and functions on the controller 1 are realized on the mobile phone, the problems of narrow test space and severe test environment are effectively solved, the test efficiency is improved, a remote control instrument is realized, and a safety test is realized. The communication module 105 can be externally connected with a small printer, so that the time for a test operator to write and record test data is saved on the premise of ensuring the test efficiency, the difficulty of arranging the test data is reduced, and the working efficiency is improved.
Referring to fig. 1, the physical key module 102 in the controller 1 is provided with a key lamp, the key lamp is automatically turned on by default after the controller 1 is powered on, so that the test difficulty and the test complexity of an operator in an environment with insufficient light are reduced, an external lighting power supply is not needed, the unqualified re-operation of test data caused by invalid test operation due to insufficient light is reduced, the test time is shortened, the test efficiency is effectively improved, and the operator can smoothly carry out test work.
Referring to fig. 1, the warning light module 103 in the controller 1 includes three side-by-side indicator lights for power supply, alarm and protection. Adopt the pilot lamp suggestion, remind the operation personnel in good time on the one hand whether correct in the test wiring, have the auxiliary test efficiency, avoid obtaining invalid test data because of the wiring mistake in the experimentation, improve experimental success rate and work efficiency indirectly, on the other hand can directly perceivedly see out through the protection pilot lamp whether the device protection is normal, guarantee operation personnel safety.
Referring to fig. 8, the insulating support 5 includes a support head 501, a telescopic rod 502, a searchlight 503, and a support base 504. The controller 1 is horizontally fixed on a support head 501 of the insulating support 5, so that a test operator can conveniently perform program setting operation on the controller 1, and the problem of the squat and bending test of the operator in the test process is effectively solved. The upper end of the telescopic rod 502 is connected with the support head 501, the lower end of the telescopic rod is connected with the support base 504, the length of the telescopic rod is adjustable, and the length of the telescopic rod 502 can be reasonably adjusted to the optimal test position according to the height and the arm length of a tester. The searchlight 503 can be fixed at any position of the telescopic rod 502, and the lighting direction is adjustable, so that the problems that an external lighting power supply is inconvenient to take or the test data is unqualified and the operation is repeated due to invalid test operation caused by insufficient light are effectively solved.
The working principle is as follows: as shown in fig. 6 and 7, when the device is in operation, the 58-pin aviation plug 6 of the handcart switch is inserted into the 58-hole aviation socket 401 of the interface socket 4, and the wiring port of the test instrument 7 is connected with the wiring module 106 in the controller 1 through the transmission line 8.
Referring to fig. 1-7, when the device works, the serial numbers of any two 58-pin aviation plugs 6 to be measured are input through the physical key module 102, the serial number information is transmitted to the electronic change-over switch module 402 through the communication line 2 by the single chip module 107, and the two plugs with the corresponding serial numbers are communicated with the signal line 3 by the electronic change-over switch module 402. The testing instrument can directly measure signals of two contact pins corresponding to serial numbers through the wiring module 106, interface conversion is achieved through a soft connection mode, the circuit principle is fully utilized, electric signals are sent through program setting to connect the testing pointer, hard connection operation of interface conversion in the testing project process is avoided (the hard connection is hardware connection, namely, contact type physical connection through a conductive mechanism, a contact, a device and the like), testing time is greatly shortened, the problem that the testing pointer and aviation plug contact pins need to be frequently disconnected and wired is effectively solved, and the continuous multi-group testing effect is excellent.
Referring to fig. 1 to 7, taking a production field test operation as an example, in the process of performing a mechanical characteristic test on a handcart switch, test items such as motor energy storage, closing and locking, starting voltage, opening and closing time and the like need to be performed. Firstly, the handcart switch 58 pin aviation plug 6 is completely inserted into the 58-hole aviation socket 401 of the interface socket 4, the pin is completely matched with the pin position, the aviation plug outer side lock catch 10 is poked to lock and lock the 58 pin aviation plug 6 and the interface socket 4, then, each wiring port of the test instrument 7 is connected with the wiring module 106 in the controller 1 completely, the test instrument 7 and the controller 1 are simultaneously connected into the power supply 9, and the audio module 104 can start to test by voice broadcasting prompt.
For example, the mechanical characteristic switching-on time of a test handcart switch needs to be input with "4" and "confirm" in the screen display module 101 through the physical key module 102 in the controller 1, then "14" and "confirm" are input, a cursor is placed at a test starting position, the "confirm" key is pressed again, the controller 1 is driven through the single chip microcomputer module 107, an electric signal is sent to the electronic change-over switch module 402 in the interface socket 4, the 58-hole aviation socket 401 and the 4 and 14 pins in the 58-pin aviation plug 6 are switched on, and the switching-on time test is started. When the test of the item is finished and the closing and locking test item needs to be replaced, the closing and locking test item can be set only through a program. If the controller 1 inputs 20 and affirmation in the screen display module 101 through the physical key module 102, then inputs 49 and affirmation, places the cursor at the beginning of the test, presses the affirmation key again to start the closing and locking test, and the test items such as opening, motor energy storage and the like are all the same as the above operations, the connecting line does not need to be disconnected again, and the 58-hole aviation socket 401 and the 58-pin aviation plug 6 pin are connected through the soft connection mode program, so that the test efficiency is greatly improved, the panel interface is clear, the operation is simple, and the whole interface conversion device is very suitable for large-scale popularization and application.
The above description is only a detailed description of the present invention, and various illustrations are not intended to limit the essence of the present invention.
Claims (5)
1. The handcart switch test interface conversion device is characterized by comprising a controller (1), wherein the controller (1) is connected with an interface socket (4) through a communication line (2) and a signal line (3);
the controller (1) comprises a screen display module (101), a physical key module (102), a warning lamp module (103), an audio module (104), a communication module (105), a wiring module (106) and a single chip microcomputer module (107);
the interface socket (4) comprises a 58-hole aviation socket (401) and an electronic transfer switch module (402), wherein the 58-hole aviation socket (401) is connected with the electronic transfer switch module (402);
the single chip microcomputer module (107) is in data communication connection with the electronic change-over switch module (402) through the communication line (2), and the wiring module (106) is electrically connected with the electronic change-over switch module (402) through the signal line (3).
2. The hand truck switch test interface conversion device according to claim 1, characterized in that the electronic conversion switch module (402) adopts 8 groups of 8-to-1 digital selectors.
3. The handcart switch test interface conversion device according to claim 1, characterized in that the controller (1) is connected with a mobile phone through a communication module (105), all operations and functions on the controller (1) are realized on the mobile phone, and a small printer is externally connected through the communication module (105).
4. The handcart switch test interface switching device according to claim 1, wherein the controller (1) is fixed on the insulating bracket (5).
5. The handcart switch test interface conversion device according to claim 4, characterized in that the insulating support (5) comprises a support head (501), an expansion link (502) and a support base (504) which are connected in sequence, and the expansion link (502) is provided with a searchlight (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068709.4A CN115792311B (en) | 2023-02-06 | 2023-02-06 | Handcart switch test interface conversion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068709.4A CN115792311B (en) | 2023-02-06 | 2023-02-06 | Handcart switch test interface conversion device |
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| CN115792311A true CN115792311A (en) | 2023-03-14 |
| CN115792311B CN115792311B (en) | 2023-12-05 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360571A (en) * | 2011-10-20 | 2012-02-22 | 中广核工程有限公司 | Simulation device and simulation method of on-site driving apparatus of nuclear power station |
| CN102508152A (en) * | 2011-10-14 | 2012-06-20 | 西安博能电力技术有限公司 | Loop detection system and method for secondary wiring of breaker |
| CN205056067U (en) * | 2015-10-20 | 2016-03-02 | 王凌睿 | Experimental workstation of using of multi -functional chemistry |
| CN105629166A (en) * | 2016-03-18 | 2016-06-01 | 国网福建省电力有限公司 | Intelligent converter for assisting in handcart switch mechanical characteristic test mode switching |
| CN205317902U (en) * | 2015-11-30 | 2016-06-15 | 国家电网公司 | Handcart switch test device |
| CN107462412A (en) * | 2017-09-13 | 2017-12-12 | 国网福建省电力有限公司 | A kind of mechanical property instrument of wheelbarrow switch integral type experiment |
| CN111123160A (en) * | 2019-12-02 | 2020-05-08 | 国网浙江省电力有限公司台州供电公司 | Fault positioning method and device for secondary circuit of switch cabinet mechanism |
| CN111308136A (en) * | 2020-03-12 | 2020-06-19 | 国网山东省电力公司潍坊供电公司 | Low-voltage experiment conversion plug of handcart circuit breaker |
| CN212845792U (en) * | 2020-07-06 | 2021-03-30 | 国网山东省电力公司东营供电公司 | Integrated device for overhauling and testing handcart type circuit breaker |
| CN216013591U (en) * | 2021-09-22 | 2022-03-11 | 国网宁夏电力有限公司石嘴山供电公司 | Multifunctional handcart switch control loop tester |
-
2023
- 2023-02-06 CN CN202310068709.4A patent/CN115792311B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508152A (en) * | 2011-10-14 | 2012-06-20 | 西安博能电力技术有限公司 | Loop detection system and method for secondary wiring of breaker |
| CN102360571A (en) * | 2011-10-20 | 2012-02-22 | 中广核工程有限公司 | Simulation device and simulation method of on-site driving apparatus of nuclear power station |
| CN205056067U (en) * | 2015-10-20 | 2016-03-02 | 王凌睿 | Experimental workstation of using of multi -functional chemistry |
| CN205317902U (en) * | 2015-11-30 | 2016-06-15 | 国家电网公司 | Handcart switch test device |
| CN105629166A (en) * | 2016-03-18 | 2016-06-01 | 国网福建省电力有限公司 | Intelligent converter for assisting in handcart switch mechanical characteristic test mode switching |
| CN107462412A (en) * | 2017-09-13 | 2017-12-12 | 国网福建省电力有限公司 | A kind of mechanical property instrument of wheelbarrow switch integral type experiment |
| CN111123160A (en) * | 2019-12-02 | 2020-05-08 | 国网浙江省电力有限公司台州供电公司 | Fault positioning method and device for secondary circuit of switch cabinet mechanism |
| CN111308136A (en) * | 2020-03-12 | 2020-06-19 | 国网山东省电力公司潍坊供电公司 | Low-voltage experiment conversion plug of handcart circuit breaker |
| CN212845792U (en) * | 2020-07-06 | 2021-03-30 | 国网山东省电力公司东营供电公司 | Integrated device for overhauling and testing handcart type circuit breaker |
| CN216013591U (en) * | 2021-09-22 | 2022-03-11 | 国网宁夏电力有限公司石嘴山供电公司 | Multifunctional handcart switch control loop tester |
Non-Patent Citations (1)
| Title |
|---|
| 陈泓霖等: "便携式手车开关试验智能快速转换装置的设计", pages 113 - 115 * |
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| CN115792311B (en) | 2023-12-05 |
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