CN212483785U - Comprehensive parameter tester for high-voltage circuit breaker - Google Patents
Comprehensive parameter tester for high-voltage circuit breaker Download PDFInfo
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- CN212483785U CN212483785U CN202021095559.4U CN202021095559U CN212483785U CN 212483785 U CN212483785 U CN 212483785U CN 202021095559 U CN202021095559 U CN 202021095559U CN 212483785 U CN212483785 U CN 212483785U
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Abstract
The utility model discloses a high voltage circuit breaker comprehensive parameter tester, including shell body, liquid crystal touch-sensitive screen and micro printer, the output of RAM7 control panel is connected with liquid crystal touch-sensitive screen, micro printer and divide-shut brake control module, and the input electric connection of RAM7 control panel has time-recorder passageway module and sensor. This high voltage circuit breaker comprehensive parameter tester, install liquid crystal touch screen and micro printer at the lateral wall of shell body, the apron can protect liquid crystal touch screen surface simultaneously, RAM7 control panel and other modules of the inboard installation of casing can be to carrying out switching characteristic test, three tests such as return circuit resistance test and coil direct current resistance test, compare traditional test mode, this comprehensive parameter tester function has carried out optimization integration, some functions irrelevant with the switch maintenance have been removed, function optimization and integration have been realized, the cost is reduced, the efficiency is improved, the volume of check out test set has been reduced simultaneously, and the portable device is convenient to carry, convenient operation and transportation.
Description
Technical Field
The utility model relates to a high voltage circuit breaker technical field specifically is a high voltage circuit breaker comprehensive parameter tester.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.
High-voltage switches in an electric power system are widely applied and are important components for guaranteeing electric power operation. The parameter tests of the high-voltage switch after delivery, preventive test and overhaul comprise a primary contact resistance test, a switch action characteristic test, a direct resistance test of coils such as a switching-on and switching-off coil, an insulation and voltage resistance test, an arc extinguishing medium test and the like. Three instruments are needed to test the action characteristic test of the switch, the contact resistance test of the primary contact and the direct resistance test of coils such as a switching-on and switching-off coil. Thus, the workers need to transport and carry a large amount of equipment, and the time and the labor are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high voltage circuit breaker comprehensive parameter tester possesses and has realized function optimization and integration, and the cost is reduced conveniently carries the advantage, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a high voltage circuit breaker comprehensive parameter tester, includes shell body, liquid crystal touch-sensitive screen and micro printer, the liquid crystal touch-sensitive screen is installed on the front wall of shell body, and micro printer installs the lateral wall department at the shell body, and the RAM7 control panel is installed to the inboard of shell body, RAM7 control panel and liquid crystal touch-sensitive screen electric connection, the output of RAM7 control panel are connected with micro printer and divide closing control module, divide closing control module's input is connected with operating power supply, and the tested article is connected to divide closing control module's output, and the input electric connection of RAM7 control panel has time-recorder passageway module and sensor, and the fracture of high voltage circuit breaker is connected to time-recorder passageway module's input, and the sensor passes through simulation channel and connects RAM7 control panel, and the output of RAM7 control panel still electricity is connected with voltage current data acquisition control module, voltage current data acquisition control module's output electric The current source, first sampling resistor is installed to the output of loop resistance power, and the output electricity connection of first sampling resistor connects electric current data acquisition control module, and the output of coil resistance test constant current source is connected with the second sampling resistor.
Preferably, the lateral wall of shell body is equipped with the apron, the apron is located the outside of liquid crystal touch screen, and the lateral wall swing joint of minor axis and shell body is passed through to the one end of apron, and the block tongue has been seted up to the other end of apron, and the block tongue also with the lateral wall swing joint of shell body.
Preferably, an RS485 interface is arranged on the RAM7 control board, and the RAM7 control board is further electrically connected with an external trigger module.
Preferably, the input end of the voltage and current data acquisition control module is electrically connected with a loop test voltage input end and a coil test voltage input end.
Preferably, the current value of the loop resistance power supply is 100A, and the output end of the loop resistance power supply is also communicated with a large current output end.
Preferably, the current range of the coil resistance testing constant current source is 0.5mA-100mA, and the output end of the coil resistance testing constant current source is also communicated with the side-view current output end of the coil.
Preferably, the operating power supply is an adjustable power supply with the model DC 20-260V.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this high voltage circuit breaker integrated parameter tester, install liquid crystal touch screen and micro printer at the lateral wall of shell body, but the apron that freely closes simultaneously can protect the liquid crystal touch screen surface, RAM7 control panel and other modules of inboard installation of casing can be to carrying out switch characteristic test, three tests such as loop resistance test and coil direct current resistance test, compare traditional test mode, this integrated parameter tester function has optimized the integration, some functions irrelevant with the switch maintenance have been removed, function optimization and integration have been realized, the cost is reduced, the efficiency is improved, the volume of check out test set has been reduced simultaneously, and the portable device is convenient for carry, convenient operation and transportation.
Drawings
Fig. 1 is a schematic connection diagram of a RAM7 control board module according to the present invention;
FIG. 2 is a schematic diagram of the connection of the voltage and current data acquisition control module of the present invention;
FIG. 3 is a schematic structural diagram of the outer casing of the present invention;
fig. 4 is a schematic sectional view of the outer casing of the present invention.
In the figure: 1. an outer housing; 2. a liquid crystal touch screen; 3. a micro printer; 4. RAM7 control panel; 5. a switching-on and switching-off control module; 6. operating a power supply; 7. a timer channel module; 8. a sensor; 9. a voltage and current data acquisition control module; 10. a loop resistance power supply; 11. a coil resistance test constant current source; 12. a first sampling resistor; 13. a second sampling resistor; 14. a cover plate; 15. clamping the convex groove; 16. and an external trigger module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 3-4, a comprehensive parameter tester for a high-voltage circuit breaker includes an outer casing 1, liquid crystal touch screen 2 and micro printer 3, liquid crystal touch screen 2 installs on the front wall of shell body 1, liquid crystal touch screen 2 can show data, convenience of customers uses, micro printer 3 installs the side wall department at shell body 1, micro printer 3 can print the paper that the book has data fast, install apron 14 on the lateral wall of shell body 1, apron 14 is located the outside of liquid crystal touch screen 2, apron 14 plays certain guard action for liquid crystal touch screen 2, the minor axis is passed through to the one end of apron 14 and shell body 1's lateral wall swing joint, block tongue 15 has been seted up to the other end of apron 14, block tongue 15 also with the lateral wall swing joint of shell body 1, apron 14 can be free closing, apron 14 is fixed a position through block tongue 15.
Referring to fig. 1-2, an RAM7 control board 4 is installed on the inner side of an outer shell 1, an RAM7 control board 4 is electrically connected with a liquid crystal touch screen 2, an RS485 interface is arranged on an RAM7 control board 4 to increase the connection capability, the RAM7 control board 4 is connected with an upper computer through the RS485 interface to realize remote control testing, the RAM7 control board 4 is also electrically connected with an external trigger module 16, an RAM7 control board 4 is connected with other devices through an interface provided by the external trigger module 16 to realize connection, the output end of the RAM7 control board 4 is connected with a micro printer 3 and a switching-on/off control module 5, the input end of the switching-on/off control module 5 is connected with an operating power supply 6, the operating power supply 6 is an adjustable power supply with a model DC20-260V, the output end of the switching-on/off control module 5 is connected with a tested article, the input end of the RAM7 control board, the sensor 8 is connected with the RAM7 control panel 4 through an analog channel, the output end of the RAM7 control panel 4 is also electrically connected with a voltage and current data acquisition control module 9, the output end of the voltage and current data acquisition control module 9 is electrically connected with a loop resistance power supply 10 and a coil resistance test constant current source 11, the current value of the loop resistance power supply 10 is 100A, the output end of the loop resistance power supply 10 is also communicated with a large current output end, the output end of the loop resistance power supply 10 is provided with a first sampling resistor 12, the output end of the first sampling resistor 12 is electrically connected with the voltage and current data acquisition control module 9, the input end of the voltage and current data acquisition control module 9 is electrically connected with a loop test voltage input end and a coil test voltage input end, the output end of the coil resistance test constant current source 11 is connected with a second sampling resistor 13, and the, the output end of the coil resistance testing constant current source 11 is also communicated with a coil side-view current output end.
The working principle is as follows: the whole comprehensive parameter tester has three testing functions, namely a switching characteristic testing part, a loop resistance testing part and a coil direct-current resistance testing part:
when the switch characteristic testing part runs, the operating power supply 6 provides output driving energy for the tested high-voltage circuit breaker, the RAM7 control panel 4 sends a control instruction to the switching-on and switching-off control module 5 to control the switching-on and switching-off of a tested high-voltage circuit breaker, the switching-on and switching-off actions of the tested high-voltage circuit breaker are controlled, a fracture of the high-voltage circuit breaker is connected to the timer channel module 7 through a testing line, the timer channel module 7 converts the fracture state into a voltage signal and transmits the voltage signal to the RAM7 control panel 4, a program times the state of the switching-on and switching-off fracture, the sensor 8 converts an action track curve of the action mechanism into an electric signal and transmits the electric signal to the simulation channel, and the simulation channel transmits the signal to the RAM7 control panel 4 to complete data acquisition.
When the loop resistance testing part runs, the RAM7 control board 4 sends an instruction to control the loop resistance power supply 10 to start through the voltage and current data acquisition control module 9, the positive electrode current of the loop resistance power supply 10 passes through the first sampling resistor 12 to reach the loop resistance testing current output positive electrode terminal of the device, the negative electrode of the loop resistance power supply 10 is directly connected to the loop resistance testing current output negative electrode terminal, then the positive electrode current is connected to two ends of a fracture of a tested high-voltage circuit breaker through a large-current testing line, voltage input lines are respectively led out from two ends of the fracture of the high-voltage circuit breaker to be connected to the voltage loop input end of the circuit breaker, the voltage and current data acquisition control module 9 acquires the voltage value of the voltage loop input end and the voltage value of the first sampling resistor 12, the voltage value is converted into a digital signal and.
Wherein when the coil direct current resistance testing part runs, the RAM7 control board 4 sends out an instruction to control the coil testing constant current source to start through the voltage and current data acquisition control module 9, the positive electrode current of the coil resistance testing constant current source 11 passes through the second sampling resistor 13 to the coil direct current resistance testing current output positive electrode terminal of the device, the negative electrode of the coil resistance testing constant current source 11 is directly connected to the coil direct current resistance testing current output negative electrode terminal, then the current testing line is connected to the two ends of the coil to be tested of the high-voltage circuit breaker to be tested, the two ends of the coil to be tested of the high-voltage circuit breaker are respectively led out a voltage input line to be connected to the voltage input end of the direct-current resistance of the coil, the voltage and current data acquisition control module 9 acquires the voltage value of the voltage loop input end and the voltage value of the second sampling resistance 13, the voltage value and the voltage value are converted into digital signals to be input to the RAM7 control board 4, and the direct-current resistance of the coil to be tested of the.
In summary, the following steps: this high voltage circuit breaker comprehensive parameter tester, install liquid crystal touch screen 2 and micro printer 3 at the lateral wall of shell 1, the apron 14 that can freely close simultaneously can protect liquid crystal touch screen 2 surface, RAM7 control panel 4 and other modules of inboard installation of casing can be to carrying out switching characteristic test, three tests such as loop resistance test and coil direct current resistance test, compare traditional test mode, this comprehensive parameter tester function has carried out optimization integration, some functions irrelevant with the switch maintenance have been removed, function optimization and integration have been realized, the cost is reduced, the efficiency is improved, the volume of check out test set has been reduced simultaneously, and the portable type is convenient, convenient operation and transportation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high voltage circuit breaker comprehensive parameter tester, includes shell body (1), liquid crystal touch-sensitive screen (2) and micro printer (3), its characterized in that: the liquid crystal touch screen (2) is arranged on the front wall of the outer shell (1), the micro printer (3) is arranged on the side wall of the outer shell (1), the RAM7 control panel (4) is arranged on the inner side of the outer shell (1), the RAM7 control panel (4) is electrically connected with the liquid crystal touch screen (2), the output end of the RAM7 control panel (4) is connected with the micro printer (3) and the switching-on/off control module (5), the input end of the switching-on/off control module (5) is connected with the operating power supply (6), the output end of the switching-on/off control module (5) is connected with a tested article, the input end of the RAM7 control panel (4) is electrically connected with the timer channel module (7) and the sensor (8), the input end of the timer channel module (7) is connected with the fracture of the high-voltage circuit breaker, the sensor (8) is connected with the RAM7 control panel (4) through the analog channel, the output end of, the output electric connection of voltage and current data acquisition control module (9) has loop resistance power (10) and coil resistance test constant current source (11), first sampling resistor (12) are installed to the output of loop resistance power (10), and the output electricity connection of first sampling resistor (12) connects electric current data acquisition control module (9), and the output of coil resistance test constant current source (11) is connected with second sampling resistor (13).
2. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: install apron (14) on the lateral wall of shell body (1), apron (14) are located the outside of liquid crystal touch screen (2), and the lateral wall swing joint of minor axis and shell body (1) is passed through to the one end of apron (14), and block tongue (15) have been seted up to the other end of apron (14), and block tongue (15) also with the lateral wall swing joint of shell body (1).
3. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: an RS485 interface is arranged on the RAM7 control panel (4), and the RAM7 control panel (4) is also electrically connected with an external trigger module (16).
4. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: and the input end of the voltage and current data acquisition control module (9) is electrically connected with a loop test voltage input end and a coil test voltage input end.
5. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: the current value of the loop resistance power supply (10) is 100A, and the output end of the loop resistance power supply (10) is also communicated with a large current output end.
6. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: the current range of the coil resistance testing constant current source (11) is 0.5mA-100mA, and the output end of the coil resistance testing constant current source (11) is also communicated with a coil side-view current output end.
7. The comprehensive parameter tester for the high-voltage circuit breaker according to claim 1, characterized in that: the operating power supply (6) is an adjustable power supply with the model DC 20-260V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021095559.4U CN212483785U (en) | 2020-06-15 | 2020-06-15 | Comprehensive parameter tester for high-voltage circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021095559.4U CN212483785U (en) | 2020-06-15 | 2020-06-15 | Comprehensive parameter tester for high-voltage circuit breaker |
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| CN212483785U true CN212483785U (en) | 2021-02-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264947A (en) * | 2021-12-17 | 2022-04-01 | 特变电工西安柔性输配电有限公司 | A bypass switch test device and test method for a flexible direct power module |
| CN115453141A (en) * | 2022-09-15 | 2022-12-09 | 广东电网有限责任公司 | Three-phase transfer speed measuring device of circuit breaker |
| CN116593881A (en) * | 2023-04-25 | 2023-08-15 | 国网河北省电力有限公司石家庄供电分公司 | A three-phase high-voltage contact resistance and switching characteristics testing device and method |
| CN116930644A (en) * | 2023-07-03 | 2023-10-24 | 广州市森正电子科技有限公司 | High-integration-level electrical parameter comprehensive measurement device and method thereof |
-
2020
- 2020-06-15 CN CN202021095559.4U patent/CN212483785U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264947A (en) * | 2021-12-17 | 2022-04-01 | 特变电工西安柔性输配电有限公司 | A bypass switch test device and test method for a flexible direct power module |
| CN115453141A (en) * | 2022-09-15 | 2022-12-09 | 广东电网有限责任公司 | Three-phase transfer speed measuring device of circuit breaker |
| CN116593881A (en) * | 2023-04-25 | 2023-08-15 | 国网河北省电力有限公司石家庄供电分公司 | A three-phase high-voltage contact resistance and switching characteristics testing device and method |
| CN116930644A (en) * | 2023-07-03 | 2023-10-24 | 广州市森正电子科技有限公司 | High-integration-level electrical parameter comprehensive measurement device and method thereof |
| CN116930644B (en) * | 2023-07-03 | 2024-03-19 | 广州市森正电子科技有限公司 | High-integration-level electrical parameter comprehensive measurement device and method thereof |
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