CN216485156U - Switchable special plug for testing mechanical characteristics of 10KV circuit breaker - Google Patents
Switchable special plug for testing mechanical characteristics of 10KV circuit breaker Download PDFInfo
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- CN216485156U CN216485156U CN202122862252.3U CN202122862252U CN216485156U CN 216485156 U CN216485156 U CN 216485156U CN 202122862252 U CN202122862252 U CN 202122862252U CN 216485156 U CN216485156 U CN 216485156U
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Abstract
The utility model provides a switchable special plug for testing the mechanical characteristics of a 10KV circuit breaker, which comprises a PLC, and an input end interface and an output end interface which are connected with the PLC; the output end interface comprises an aviation male plug; the PLC comprises internal pins capable of switching connection relations; when testing is carried out, internal pins of the PLC are switched according to the model of the circuit breaker to be matched with the circuit breaker, and the PLC is connected with a 10KV circuit breaker mechanical characteristic tester through an input end interface; the internal pin of the PLC is butted with a 10KV circuit breaker to be tested through an output end interface; the PLC sends a control signal to the breaker according to a test item to be executed, so that the 10KV breaker executes an action corresponding to the test item to test the function of the breaker; the utility model is easy to butt joint with the aviation female plug of the circuit breaker, does not need professional personnel to operate, and can save the test time and the labor cost; meanwhile, different circuit breaker models can be selected through the all-in-one machine, and the pins connected with the mechanical characteristic tester and the aviation female plug of the circuit breaker are correctly switched.
Description
Technical Field
The utility model relates to the technical field of test instruments, in particular to a switchable special plug for testing mechanical characteristics of a 10KV circuit breaker.
Background
The existing mechanical characteristic test mode of the 10KV circuit breaker generally adopts a test line led out from the output end of a mechanical characteristic tester, and then the test line is connected to an aviation plug pin of the 10KV circuit breaker through a wire clamp on the test line, so that the circuit breaker is controlled to realize the functions of electromagnet unlocking, motor energy storage, closing and opening. The defect is that more wire clamps are connected with the pins of the secondary plug, so that professional wiring personnel and longer wiring time are required; the condition of fastener and pin misconnection, fastener and neighbouring pin short circuit still appear easily, and then cause the circuit breaker impaired, mechanical properties appearance damage and personal injury.
Disclosure of Invention
The switchable special plug for testing the mechanical characteristics of the 10KV circuit breaker is easy to butt joint with the aviation female plug of the circuit breaker, operation of professionals is not needed, and testing time and labor cost can be saved; meanwhile, before mechanical characteristic tests are carried out on different types of 10KV circuit breakers, different circuit breaker models can be selected through the all-in-one machine, and pins connected with the mechanical characteristic tester and the aviation female plug of the circuit breaker are correctly switched.
The utility model adopts the following technical scheme.
A switchable special plug for testing the mechanical characteristics of a 10KV circuit breaker comprises a PLC (9), and an input end interface (8) and an output end interface (10) which are connected with the PLC; the output end interface comprises an aviation male plug (11) which can be in butt joint with an aviation female plug of a 10KV circuit breaker; the PLC comprises an internal pin capable of switching connection relation; when testing is carried out, internal pins of the PLC are switched according to the model of the circuit breaker to be matched with the circuit breaker, and the PLC is connected with a 10KV circuit breaker mechanical characteristic tester through an input end interface; the internal pin of the PLC is butted with a 10KV circuit breaker to be tested through an output end interface; and the PLC sends a control signal to the breaker according to the test item to be executed, so that the 10KV breaker executes the action corresponding to the test item for testing the function of the breaker.
The PLC comprises a touch display screen and is used for providing a human-computer interaction interface with display and touch screen control functions, when the model of the circuit breaker to be tested is selected at the human-computer interaction interface during testing, the PLC controls internal pins to automatically switch according to the model of the circuit breaker set by the human-computer interaction interface, and internal energy of the PLC is enabled to pass through an output end interface to be connected with the selected circuit breaker.
The input end interface comprises a motor energy storage interface (801) used for being connected with an energy storage test line of a mechanical characteristic tester of the 10KV circuit breaker, a closing coil interface (802) used for being connected with a closing test line of the mechanical characteristic tester of the 10KV circuit breaker, an opening coil interface (803) used for being connected with an opening test line of the mechanical characteristic tester of the 10KV circuit breaker, a closing coil resistance measuring interface (804) used for being connected with a universal meter to test the resistance of a closing coil, and an opening coil resistance measuring interface (805) used for being connected with the universal meter to test the resistance of an opening coil.
The plug is connected with a 220V alternating current power supply through a power switch (6) and a power line (5); the PLC is connected with an auxiliary power supply module (7) of the plug through a power switch.
The PLC is a PLC integrated machine connected with the auxiliary power supply module; when testing is carried out, the aviation male plug of the output end interface is connected with the aviation female plug of the 10KV circuit breaker, and the PLC outputs a locking electromagnet unlocking signal, a motor energy storage signal, a closing signal or a switching-off signal through the output end interface to control the circuit breaker to execute locking electromagnet unlocking, motor energy storage, closing or switching-off actions.
The latching electromagnet of the circuit breaker is directly connected with the auxiliary power supply module, and the auxiliary power supply module supplies power to the latching electromagnet to enable the latching electromagnet to execute an unlocking function.
The power switch and the PLC are arranged on a front panel (2) of a shell (1) of the plug; the power line, the input end interface and the output end interface are arranged on a rear panel (3) of the shell, and the auxiliary power supply module is arranged on a chassis (4) of the shell.
The utility model provides a switchable special plug for testing the mechanical characteristics of a 10KV circuit breaker, which is easy to butt joint with an aviation female plug of the circuit breaker, does not need to be operated by a professional, and can save the testing time and the labor cost; meanwhile, before mechanical characteristic tests are carried out on different types of 10KV circuit breakers, different circuit breaker models can be selected through the all-in-one machine, pins connected with the mechanical characteristic tester and the aviation female plug of the circuit breaker are correctly switched, and a locking electromagnet, an energy storage motor, a closing coil and a separating coil of the circuit breaker can be directly connected with the mechanical characteristic tester, so that correct wiring is realized, and functions of unlocking the locking electromagnet, storing energy in the motor, closing and separating are accurately realized. In addition, compared with the traditional test mode, the method can effectively prevent the occurrence of misconnection of the wire clamp and the pin and short circuit of the wire clamp and the adjacent pin, and realize 100% of wiring accuracy, thereby avoiding damage of the circuit breaker and damage of the mechanical characteristic tester, and ensuring personal safety.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the switchable special plug is easy to butt joint with the aviation female plug of the circuit breaker, operation of a professional is not needed, and testing time and labor cost can be saved.
(2) Before mechanical characteristic tests are carried out on different types of 10KV circuit breakers, different circuit breaker models can be selected through the all-in-one machine, pins connected with the mechanical characteristic tester and the aviation female plug of the circuit breaker are correctly switched, and a locking electromagnet, an energy storage motor, a closing coil and a separating coil of the circuit breaker can be directly connected with the mechanical characteristic tester, so that correct wiring is realized, and functions of unlocking the locking electromagnet, storing energy in the motor, closing and separating are accurately realized.
(3) Compared with the traditional test mode, the test device can effectively prevent the wire clamp from being misconnected with the pins and the wire clamp from being short-circuited with the adjacent pins, and realizes the wiring accuracy of 100 percent, thereby avoiding the damage of the circuit breaker and the damage of a mechanical characteristic tester and ensuring the personal safety.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is another schematic of the present invention;
FIG. 4 is an internal schematic view of the present invention;
FIG. 5 is a schematic top view of the housing chassis of the present invention;
in the figure: 1-a housing; 2-a front panel; 3-a rear panel; 4-a chassis; 5-a power line; 6-power switch; 7-an auxiliary power supply module; 8-input port interface; 9-PLC; 10-output port interface; 11-aviation male plug;
801-motor energy storage interface; 802-closing coil interface; 803-opening coil interface; 804-a switch-on coil resistance measurement interface; 805-opening coil resistance measurement interface.
Detailed Description
As shown in the figure, the switchable special plug for the mechanical characteristic test of the 10KV circuit breaker comprises a PLC9, and an input end interface 8 and an output end interface 10 which are connected with the PLC 9; the output end interface comprises an aviation male plug 11 which can be in butt joint with an aviation female plug of a 10KV circuit breaker; the PLC comprises an internal pin capable of switching connection relation; when testing is carried out, internal pins of the PLC are switched according to the model of the circuit breaker to be matched with the circuit breaker, and the PLC is connected with a 10KV circuit breaker mechanical characteristic tester through an input end interface; internal pins of the PLC are butted with a 10KV circuit breaker to be tested through an output end interface; and the PLC sends a control signal to the breaker according to the test item to be executed, so that the 10KV breaker executes the action corresponding to the test item for testing the function of the breaker.
The PLC comprises a touch display screen and is used for providing a human-computer interaction interface with display and touch screen control functions, when the model of the circuit breaker to be tested is selected at the human-computer interaction interface during testing, the PLC controls internal pins to automatically switch according to the model of the circuit breaker set by the human-computer interaction interface, and internal energy of the PLC is enabled to pass through an output end interface to be connected with the selected circuit breaker.
The input end interface comprises a motor energy storage interface 801 used for being connected with an energy storage testing line of a 10KV circuit breaker mechanical characteristic tester, a closing coil interface 802 used for being connected with a closing testing line of the 10KV circuit breaker mechanical characteristic tester, an opening coil interface 803 used for being connected with an opening testing line of the 10KV circuit breaker mechanical characteristic tester, a closing coil resistance measuring interface 804 used for being connected with a universal meter to test the resistance of a closing coil, and an opening coil resistance measuring interface 805 used for being connected with the universal meter to test the resistance of an opening coil.
The plug is connected with a 220V alternating current power supply through a power switch 6 and a power line 5; the PLC is connected with an auxiliary power supply module 7 of the plug through a power switch.
The PLC is a PLC integrated machine connected with the auxiliary power supply module; when testing is carried out, the aviation male plug of the output end interface is connected with the aviation female plug of the 10KV circuit breaker, and the PLC outputs a locking electromagnet unlocking signal, a motor energy storage signal, a closing signal or a switching-off signal through the output end interface to control the circuit breaker to execute locking electromagnet unlocking, motor energy storage, closing or switching-off actions.
The latching electromagnet of the circuit breaker is directly connected with the auxiliary power supply module, and the auxiliary power supply module supplies power to the latching electromagnet to enable the latching electromagnet to execute an unlocking function.
The power switch and the PLC are arranged on the front panel 2 of the shell 1 of the plug; the power line, the input end interface and the output end interface are arranged on the rear panel 3 of the shell, and the auxiliary power supply module is arranged on the chassis 4 of the shell.
The embodiment is as follows:
as shown in the figure, the touch display interface of the PLC all-in-one machine has display and touch screen control functions. When different circuit breaker models are manually selected on a touch display interface of the PLC all-in-one machine, internal pins of the PLC all-in-one machine are automatically switched and connected, and a latching electromagnet of the circuit breaker can be directly connected with the auxiliary power supply module to realize an unlocking function; the energy storage motor of the breaker can be connected with an energy storage test wire of a mechanical characteristic tester of the 10KV breaker to realize the energy storage function of the motor; a closing coil of the breaker is connected with a closing test line of a mechanical characteristic tester of the 10KV breaker to realize a closing function; the opening coil of the breaker is connected with an opening test wire of a 10KV breaker mechanical characteristic tester to realize a closing function.
In this example, the model of the PLC all-in-one machine is MM-24MR-500 FX-B.
The above is merely one preferred embodiment of the present invention. However, the present invention is not limited to the above embodiments, and any equivalent changes and modifications made according to the embodiments of the present invention, which do not bring out the functional effects beyond the scope of the present invention, belong to the protection scope of the present invention.
Claims (7)
1. A switchable special plug for testing mechanical characteristics of a 10KV circuit breaker is characterized in that: the plug comprises a PLC (9) and an input end interface (8) and an output end interface (10) which are connected with the PLC; the output end interface comprises an aviation male plug (11) which can be in butt joint with an aviation female plug of a 10KV circuit breaker; the PLC comprises an internal pin capable of switching connection relation; when testing is carried out, internal pins of the PLC are switched according to the model of the circuit breaker to be matched with the circuit breaker, and the PLC is connected with a 10KV circuit breaker mechanical characteristic tester through an input end interface; the internal pin of the PLC is butted with a 10KV circuit breaker to be tested through an output end interface; and the PLC sends a control signal to the breaker according to the test item to be executed, so that the 10KV breaker executes the action corresponding to the test item for testing the function of the breaker.
2. The switchable specialized plug for mechanical property testing of 10KV circuit breakers of claim 1, wherein: the PLC comprises a touch display screen and is used for providing a human-computer interaction interface with display and touch screen control functions, when the model of the circuit breaker to be tested is selected at the human-computer interaction interface during testing, the PLC controls internal pins to automatically switch according to the model of the circuit breaker set by the human-computer interaction interface, and internal energy of the PLC is enabled to pass through an output end interface to be connected with the selected circuit breaker.
3. The switchable specialized plug for mechanical property testing of 10KV circuit breakers of claim 1, wherein: the input end interface comprises a motor energy storage interface (801) used for being connected with an energy storage test line of a mechanical characteristic tester of the 10KV circuit breaker, a closing coil interface (802) used for being connected with a closing test line of the mechanical characteristic tester of the 10KV circuit breaker, an opening coil interface (803) used for being connected with an opening test line of the mechanical characteristic tester of the 10KV circuit breaker, a closing coil resistance measuring interface (804) used for being connected with a universal meter to test the resistance of a closing coil, and an opening coil resistance measuring interface (805) used for being connected with the universal meter to test the resistance of an opening coil.
4. The switchable specialized plug for mechanical property testing of 10KV circuit breakers of claim 1, wherein: the plug is connected with a 220V alternating current power supply through a power switch (6) and a power line (5); the PLC is connected with an auxiliary power supply module (7) of the plug through a power switch.
5. The switchable specialized plug for mechanical property testing of 10KV circuit breakers of claim 4, wherein: the PLC is a PLC integrated machine connected with the auxiliary power supply module; when testing is carried out, the aviation male plug of the output end interface is connected with the aviation female plug of the 10KV circuit breaker, and the PLC outputs a locking electromagnet unlocking signal, a motor energy storage signal, a closing signal or a switching-off signal through the output end interface to control the circuit breaker to execute locking electromagnet unlocking, motor energy storage, closing or switching-off actions.
6. The switchable privacy plug of claim 4 for use in testing the mechanical characteristics of a 10KV circuit breaker, wherein: the latching electromagnet of the circuit breaker is directly connected with the auxiliary power supply module, and the auxiliary power supply module supplies power to the latching electromagnet to enable the latching electromagnet to execute an unlocking function.
7. The switchable specialized plug for mechanical property testing of 10KV circuit breakers of claim 4, wherein: the power switch and the PLC are arranged on a front panel (2) of a shell (1) of the plug; the power line, the input end interface and the output end interface are arranged on a rear panel (3) of the shell, and the auxiliary power supply module is arranged on a chassis (4) of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862252.3U CN216485156U (en) | 2021-11-19 | 2021-11-19 | Switchable special plug for testing mechanical characteristics of 10KV circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862252.3U CN216485156U (en) | 2021-11-19 | 2021-11-19 | Switchable special plug for testing mechanical characteristics of 10KV circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216485156U true CN216485156U (en) | 2022-05-10 |
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ID=81398318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122862252.3U Active CN216485156U (en) | 2021-11-19 | 2021-11-19 | Switchable special plug for testing mechanical characteristics of 10KV circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216485156U (en) |
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2021
- 2021-11-19 CN CN202122862252.3U patent/CN216485156U/en active Active
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