CN113325304A - High-voltage circuit breaker detection device and detection method thereof - Google Patents
High-voltage circuit breaker detection device and detection method thereof Download PDFInfo
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- CN113325304A CN113325304A CN202110618172.5A CN202110618172A CN113325304A CN 113325304 A CN113325304 A CN 113325304A CN 202110618172 A CN202110618172 A CN 202110618172A CN 113325304 A CN113325304 A CN 113325304A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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Abstract
The invention discloses a high-voltage circuit breaker detection device and a detection method thereof, and the detection device comprises a frame, wherein a workbench is fixedly arranged at the upper end of the frame, universal wheels are fixedly arranged at the lower end of the frame, a handle is fixedly arranged on the rear side surface of the workbench, a terminal row, an idle opening, a protection measurement and control device and a switching-on and switching-off control switch are fixedly arranged on the workbench, the terminal row, the idle opening, the protection measurement and control device and the switching-on and switching-off control switch are sequentially connected to form a control loop, and the protection measurement and control device is externally connected with a power supply; still include the female plug of aviation, the female plug of aviation is connected with the aviation public affairs of high voltage circuit breaker through the jack on the panel. The invention has the advantages of capability of timely and effectively detecting the high-voltage circuit breaker, simple and convenient operation process and strong practicability.
Description
Technical Field
The invention relates to the technical field of high-voltage circuit breaker detection, in particular to a high-voltage circuit breaker detection device and a detection method thereof for a standby high-voltage circuit breaker.
Background
The high-voltage circuit breaker is used for controlling a high-voltage circuit and is one of important electrical components in the high-voltage circuit. The high-voltage circuit breaker can not only cut off or close the no-load current and the load current in the high-voltage circuit, but also cut off the overload current and the short-circuit current through the action of a relay protection device when the system has a fault, and has a quite perfect arc extinguishing structure and enough current breaking capacity. It is therefore necessary to test the performance of the high voltage circuit breaker before it can be used.
Generally, a standby high-voltage circuit breaker is reserved in a power transmission and transformation transportation and inspection center warehouse and can be provided in time once needed. Among these backup high-voltage circuit breakers, there are new ones delivered from a manufacturer. And the old high-voltage circuit breakers which are removed from the transformer substation are maintained and placed in a warehouse for standby. When the standby high-voltage circuit breaker needs to be used, workers need to detect the performance of the high-voltage circuit breaker and judge whether the performance of the high-voltage circuit breaker is normal or not, and particularly need to detect whether the high-voltage circuit breaker can be normally switched on or switched off or not; the traditional detection mode needs to push the circuit breaker into a corresponding switch cabinet for carrying out. However, the switches of the corresponding levels in the substation are in the running or hot standby state, and no spare switch cabinet can be used for testing the spare parts, so that whether the spare parts in the warehouse are qualified or not cannot be determined.
In order to solve the above technical problems, a technical solution of a conveniently movable high-voltage circuit breaker detection device is proposed by those skilled in the art, for example, the patent names are: the patent technology of the mobile integrated high-voltage circuit breaker detection device (with the patent number: 201420281249. X) clearly proposes that the components of the high-voltage circuit breaker detection platform are combined with the structure of the mobile device, so that the technical effect that the high-voltage circuit breaker detection device can move as required is realized; however, the technical scheme has the following defects; firstly, the detection device disclosed in the technical scheme mainly aims at detecting the overload breaking performance of the high-voltage circuit breaker in the detection process, and has no specific detection structure for normal opening and closing of the high-voltage circuit breaker; secondly, although the device in this technical scheme has solved the convenient technical problem who removes of structure integration, nevertheless do not have corresponding safeguard function to the protection of detecting element and circuit in the removal process or the use, can't avoid external striking to the damage of electronic component, and the actual use effect is not ideal.
Disclosure of Invention
The invention aims to solve the problems and designs a detection device and a detection method for a high-voltage circuit breaker.
The technical scheme of the invention is that the high-voltage circuit breaker detection device comprises a frame, wherein a workbench is fixedly arranged at the upper end of the frame, universal wheels are fixedly arranged at the lower end of the frame, a handle is fixedly arranged on the rear side surface of the workbench,
the terminal block, the air switch, the protection measurement and control device and the opening and closing control switch are sequentially connected to form a control loop, and the protection measurement and control device is externally connected with a power supply;
the aviation female plug comprises a plug body, a panel is arranged on the plug body, a plurality of jacks are arranged on the panel, the plug body is fixedly connected with a multi-core cable, core wires in the multi-core cable correspond to the jacks on the panel one by one, the core wires of the multi-core cable are respectively connected with the terminal rows, and the aviation female plug is connected with an aviation male plug of the high-voltage circuit breaker through the jacks on the panel;
still fixed mounting pilot lamp on the workstation, the pilot lamp is the pilot lamp of high voltage circuit breaker spring non-energy storage return circuit, the pilot lamp passes through terminal row, aviation female insert with the aviation public plug establish ties in high voltage circuit breaker's spring non-energy storage return circuit.
The protection measurement and control device is a microcomputer circuit protection device, and the microcomputer circuit protection device adopts a WXH-822C type microcomputer circuit protection measurement and control device.
The utility model discloses a worktable for the drilling machine, including workstation, be equipped with two on the mesa of workstation and inlay the groove, two are inlayed the groove and are parallel to each other on the mesa of workstation, two inlay the groove and all communicate with the front side surface of workstation and not communicate with the rear side surface of workstation, one inlays the groove and is close to the left side surface of workstation, and another inlays the groove and is close to the right side surface of workstation.
The protective shell is arranged on the workbench and is an arched shell, the length of the protective shell is the same as that of the embedding grooves, the width value of the protective shell is the same as that of the distance between the two embedding grooves, and the two bottom edges of the protective shell are in one-to-one correspondence with the two embedding grooves respectively.
Two bases of protective housing insert the inslot that inlays that corresponds through the workstation front surface respectively, the protective housing covers terminal row, empty opening, pilot lamp, protection measurement and control device and divide-shut brake control switch on with the workstation mesa and forms protecting sheathing.
The front port department installation shutter of protecting crust, the shutter is the arch door, the top edge of shutter passes through hinge structure and is connected with the top edge of protecting crust front port.
The height value of shutter is greater than the height value of protecting crust, the lower limb of shutter is taken on the surface of the front side of workstation, install the balancing weight on the lower limb of shutter.
The handle is composed of a cross rod and two connecting rods, and the cross rod is parallel to the workbench and is fixedly connected with the rear side surface of the workbench through the two connecting rods which are parallel to each other.
The frame is a rectangular frame structure built by stainless steel angle steel.
A high-voltage circuit breaker detection method comprises the following steps:
connecting the core line of the aviation bus plug with a corresponding terminal on a terminal row according to the characteristics of a high-voltage circuit breaker to be detected, and then placing the aviation bus plug on a workbench for later use;
step two, embedding two bottom edges of the protective shell into corresponding embedding grooves, and then pushing the protective shell along the length direction of the embedding grooves until the protective shell covers the electronic elements and the aviation mother plug on the table top of the workbench;
pushing the device to the position of a high-voltage circuit breaker to be detected, then turning the stop door upwards, turning the stop door over the protective shell, ensuring that an included angle formed by the stop door and the upper surface of the protective shell is an acute angle, starting the high-voltage circuit breaker, completing test preparation work of the high-voltage circuit breaker, pulling out the plug body of the aviation female plug, and connecting the plug body of the aviation female plug with the aviation male plug of the high-voltage circuit breaker through a jack on a panel of the aviation female plug so as to complete a circuit connection process;
fourthly, an operator rotates the opening and closing control switch through the rear end of the protective shell, the opening and closing control switch body is switched to a certain position, and the auxiliary contact corresponding to the certain position is conducted, so that the opening and closing control simulation process of the high-voltage circuit breaker is realized, and the opening and closing performance test of the high-voltage circuit breaker is completed;
and step five, after the test is finished, separating the aviation female plug from the aviation male plug, placing the aviation female plug on a workbench table surface in the protective shell, and turning down the stop door to block the front end port of the protective shell, wherein the whole device is in a movable state.
Advantageous effects
The high-voltage circuit breaker detection device and the detection method thereof manufactured by the technical scheme of the invention have the following advantages:
1. the device adopts the protection measurement and control device to simulate the actual running state of the high-voltage circuit breaker, and judges whether the high-voltage circuit breaker can be normally switched on or off through the switching-on and switching-off control switch, so that the detection of the standby high-voltage circuit breaker can be completed in a warehouse, the detection is very convenient and quick, convenience is provided for modern production, the consumption of manpower and material resources is reduced, and the labor production efficiency is improved;
2. in order to meet the real-time detection requirement of the standby circuit breaker, the structure of the whole device is designed into a portable mode which is convenient to move and use, so that the high-voltage circuit breakers in different places can be conveniently detected, and the practicability of the device is higher;
3. in order to better realize movement and protection, the protective shell is arranged on the workbench to serve as a protective structure, and the protective structure is simple and practical, low in manufacturing cost, more convenient in use mode and high in mounting and dismounting speed;
4. the whole test process is simple and quick to operate, applicable to high-voltage circuit breakers of various specifications, wide in application range and flexible in use mode.
Drawings
Fig. 1 is a schematic structural diagram of a detection device of a high-voltage circuit breaker according to the invention;
FIG. 2 is a schematic structural diagram of an aviation female plug according to the invention;
in the figure, 1, frame; 2. a work table; 3. a universal wheel; 4. a handle; 5. a terminal block; 6. opening in the air; 7. protecting the measurement and control device; 8. a switching-on and switching-off control switch; 9. a plug body; 10. a panel; 11. a multi-core cable; 12. an indicator light; 13. embedding a groove; 14. a protective shell; 15. a shutter; 16. and a balancing weight.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-2;
the device is characterized in that a terminal block 5, an air switch 6, a protection measurement and control device 7 and a switching-on and switching-off control switch 8 are fixedly mounted on a workbench, the terminal block, the air switch, the protection measurement and control device and the switching-on and switching-off control switch are sequentially connected to form a control loop, and the protection measurement and control device is externally connected with a power supply;
the aviation female plug is characterized by comprising an aviation female plug body 9, wherein a panel 10 is arranged on the plug body, a plurality of jacks are arranged on the panel, the plug body is fixedly connected with a multi-core cable 11, core wires in the multi-core cable correspond to the jacks on the panel one by one, the core wires of the multi-core cable are respectively connected with a terminal block, and the aviation female plug is connected with an aviation male plug of a high-voltage circuit breaker through the jacks on the panel;
the creation point of this application still lies in, still fixed mounting pilot lamp 12 on the workstation, the pilot lamp is the pilot lamp of high voltage circuit breaker spring non-energy storage return circuit, the pilot lamp passes through terminal row, the aviation female inserts and the aviation public plug is established ties in high voltage circuit breaker's spring non-energy storage return circuit.
The electronic device adopted by the technical scheme comprises:
the device comprises a terminal block, an air switch, an indicator light, a protection measurement and control device and a switching-on and switching-off control switch;
the electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structures of the electronic devices, and the electronic devices all belong to conventional electronic equipment;
in the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.
The invention also provides that the protection measurement and control device is a microcomputer circuit protection device, and the microcomputer circuit protection device adopts a WXH-822C type microcomputer circuit protection measurement and control device; two embedding grooves 13 are formed in the table top of the workbench and are parallel to each other, the two embedding grooves are communicated with the front side surface of the workbench and are not communicated with the rear side surface of the workbench, one embedding groove is close to the left side surface of the workbench, and the other embedding groove is close to the right side surface of the workbench; a protective shell 14 is arranged on the workbench, the protective shell is an arched shell, the length of the protective shell is the same as that of the embedding grooves, the width value of the protective shell is the same as the distance value between the two embedding grooves, and the two bottom edges of the protective shell are in one-to-one correspondence with the two embedding grooves respectively; two bottom edges of the protective shell are respectively inserted into the corresponding embedding grooves through the front surface of the workbench, and the protective shell covers the terminal row, the idle switch, the indicator light, the protection measurement and control device and the opening and closing control switch on the workbench surface to form a protective shell; a stop door 15 is arranged at the front port of the protective shell, the stop door is an arched door, and the upper edge of the stop door is connected with the upper edge of the front port of the protective shell through a hinge structure; the height value of the stop door is greater than that of the protective shell, the lower edge of the stop door is lapped on the front side surface of the workbench, and a balancing weight 16 is installed on the lower edge of the stop door; the handle is composed of a cross rod and two connecting rods, the cross rod is parallel to the workbench and is fixedly connected with the rear side surface of the workbench through the two connecting rods which are parallel to each other; the frame is a rectangular frame structure built by stainless steel angle steel.
In the implementation process of the technical scheme, the aviation female plug is used for realizing firm connection with the aviation male plug of the high-voltage circuit breaker; the control circuit is used for realizing the checking function of the standby high-voltage circuit breaker; the external power supply provides working electric energy for the control loop. The aviation female plug is provided with a plug body and a panel, the panel is arranged on one side of the plug body and covers the plug body, jacks are uniformly formed in the panel, a multi-core cable is connected inside the plug body, and each core wire of the cable corresponds to one jack respectively.
The control loop comprises a protection and measurement control device, an opening and closing control switch and a terminal row, wherein the protection and measurement control device adopts a microcomputer circuit protection device to realize the protection and measurement control functions of circuits in a non-direct grounding system (a neutral point non-grounding or arc suppression coil grounding system) or a small-resistance grounding system; a plurality of auxiliary contacts are arranged in the opening and closing control switch, and when the opening and closing control switch body is turned to a certain position, the auxiliary contacts corresponding to the certain position are conducted; the terminal strip is independently arranged on the wiring board of the checking module and is connected with the high-voltage circuit breaker to be tested through a wire; the indicating lamp is an indicating lamp of a circuit breaker spring non-energy-storage loop and is connected in series in the spring non-energy-storage loop, and the indicating lamp is turned on when the spring is not in energy storage; the external power supply realizes the input of alternating current and direct current. In this embodiment, the microcomputer circuit protection device adopts a WXH-822C type microcomputer circuit protection measurement and control device; the device is mainly used for the protection and measurement and control of line intervals with the voltage class of 35kV and below.
In the technical scheme of the application, because the high-voltage circuit breaker only provides the opening and closing coil, an external control circuit is required to perform opening and closing operations on the circuit breaker, a WXH-822C type protection device is adopted, a verification function is realized in a mode of combining the protection device and the terminal strip, in addition, the functions corresponding to each contact pin on the aviation public plug of the high-voltage circuit breakers of different models are different, and the high-voltage circuit breakers of different models can be adapted only by changing the wiring at the terminal strip. The opening and closing control switch is used for detecting the opening and closing loop quality of the high-voltage circuit breaker, and in addition, a spring non-energy-storage indicating lamp on the workbench is used for monitoring the spring non-energy-storage loop; the high-voltage circuit breaker is subjected to an opening and closing test through the opening and closing control switch, the spring non-energy-storage loop is monitored by the nearby indicating lamp, and when the lamp is turned on, the spring energy storage is not completed, and the spring non-energy-storage loop is intact.
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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A high-voltage circuit breaker detection device comprises a frame (1), wherein a workbench (2) is fixedly arranged at the upper end of the frame, universal wheels (3) are fixedly arranged at the lower end of the frame, a handle (4) is fixedly arranged on the rear side surface of the workbench, and the device is characterized in that,
the terminal block (5), the air switch (6), the protection measurement and control device (7) and the switching-on and switching-off control switch (8) are fixedly mounted on the workbench, the terminal block, the air switch, the protection measurement and control device and the switching-on and switching-off control switch are sequentially connected to form a control loop, and the protection measurement and control device is externally connected with a power supply;
the aviation female plug comprises a plug body (9), a panel (10) is arranged on the plug body, a plurality of jacks are formed in the panel, the plug body is fixedly connected with a multi-core cable (11), core wires in the multi-core cable correspond to the jacks in the panel one by one, the core wires of the multi-core cable are respectively connected with the terminal strip, and the aviation female plug is connected with an aviation male plug of the high-voltage circuit breaker through the jacks in the panel;
still fixed mounting pilot lamp (12) on the workstation, the pilot lamp is the pilot lamp of high voltage circuit breaker spring non-energy storage return circuit, the pilot lamp passes through terminal row, aviation female inserting and aviation public inserting and establishes ties in high voltage circuit breaker's spring non-energy storage return circuit.
2. The high-voltage circuit breaker detection device according to claim 1, wherein the protection and measurement control device is a microcomputer circuit protection device, and the microcomputer circuit protection device adopts a WXH-822C type microcomputer circuit protection and measurement control device.
3. The high-voltage circuit breaker detection device according to claim 1, wherein two embedding grooves (13) are arranged on the table-board of the workbench, the two embedding grooves are parallel to each other, both the two embedding grooves are communicated with the front side surface of the workbench and are not communicated with the rear side surface of the workbench, one embedding groove is close to the left side surface of the workbench, and the other embedding groove is close to the right side surface of the workbench.
4. The high-voltage circuit breaker detection device according to claim 3, characterized in that a protective shell (14) is arranged on the workbench, the protective shell is an arched shell, the length of the protective shell is the same as the length of the embedding grooves, the width of the protective shell is the same as the distance between the two embedding grooves, and the two bottom edges of the protective shell respectively correspond to the two embedding grooves one by one.
5. The high-voltage circuit breaker detection device according to claim 4, wherein two bottom edges of the protective shell are respectively inserted into the corresponding embedded grooves through the front side surface of the workbench, and the protective shell covers the terminal row, the air switch, the indicator light, the protection measurement and control device and the switching-on/off control switch on the workbench surface to form a protective shell.
6. The high-voltage circuit breaker detection device according to claim 5, characterized in that a shutter (15) is installed at the front port of the protective housing, the shutter is an arched door, and the upper edge of the shutter is connected with the upper edge of the front port of the protective housing through a hinge structure.
7. The high voltage circuit breaker detection device according to claim 6, wherein the height value of the shutter is greater than the height value of the protective housing, the lower edge of the shutter is lapped on the front side surface of the workbench, and a counterweight (16) is installed on the lower edge of the shutter.
8. The high voltage circuit breaker detection apparatus of claim 1 wherein the handle is comprised of a cross bar and two connecting bars, the cross bar being parallel to the table and fixedly connected to the rear side surface of the table by the two parallel connecting bars.
9. The high-voltage circuit breaker detection device according to claim 1, wherein the frame is a rectangular frame structure built by stainless steel angle iron.
10. A high voltage circuit breaker detection method for a high voltage circuit breaker detection apparatus as claimed in claim 1, the method comprising the steps of:
connecting the core line of the aviation bus plug with a corresponding terminal on a terminal row according to the characteristics of a high-voltage circuit breaker to be detected, and then placing the aviation bus plug on a workbench for later use;
step two, embedding two bottom edges of the protective shell into corresponding embedding grooves, and then pushing the protective shell along the length direction of the embedding grooves until the protective shell covers the electronic elements and the aviation mother plug on the table top of the workbench;
pushing the device to the position of a high-voltage circuit breaker to be detected, then turning the stop door upwards, turning the stop door over the protective shell, ensuring that an included angle formed by the stop door and the upper surface of the protective shell is an acute angle, starting the high-voltage circuit breaker, completing test preparation work of the high-voltage circuit breaker, pulling out the plug body of the aviation female plug, and connecting the plug body of the aviation female plug with the aviation male plug of the high-voltage circuit breaker through a jack on a panel of the aviation female plug so as to complete a circuit connection process;
fourthly, an operator rotates the opening and closing control switch through the rear end of the protective shell, the opening and closing control switch body is switched to a certain position, and the auxiliary contact corresponding to the certain position is conducted, so that the opening and closing control simulation process of the high-voltage circuit breaker is realized, and the opening and closing performance test of the high-voltage circuit breaker is completed;
and step five, after the test is finished, separating the aviation female plug from the aviation male plug, placing the aviation female plug on a workbench table surface in the protective shell, and turning down the stop door to block the front end port of the protective shell, wherein the whole device is in a movable state.
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| CN202110618172.5A CN113325304A (en) | 2021-06-03 | 2021-06-03 | High-voltage circuit breaker detection device and detection method thereof |
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| CN210742448U (en) * | 2019-09-05 | 2020-06-12 | 昆明华奥航星电气有限公司 | KYN circuit breaker detection test bench |
| 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 |
| CN112180894A (en) * | 2020-09-16 | 2021-01-05 | 国网山东省电力公司桓台县供电公司 | Electric performance detection device for pole-mounted circuit breaker controller |
| CN213149549U (en) * | 2021-02-04 | 2021-05-07 | 国网山东省电力公司桓台县供电公司 | Electric performance detection device for pole-mounted circuit breaker controller |
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