Spring operating mechanism detection system for gas insulated circuit breaker cabinet
By designing a spring operating mechanism testing system for gas-insulated circuit breaker cabinets, and utilizing components such as contactors and withstand voltage testers to achieve automated testing, the system solves the problems of complex and inefficient testing processes in existing technologies, improves testing efficiency and reliability, and reduces costs.
Patent Information
- Application Number
- CN202422848230.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-21
AI Technical Summary
The existing technology for testing the spring operating mechanism of gas-insulated circuit breaker cabinets is complex, time-consuming, inefficient, and requires a lot of manpower, resulting in high manufacturing costs.
A testing system for the spring operating mechanism of a gas-insulated circuit breaker cabinet was designed, including a test box, wiring fixtures, contactors, controllers, withstand voltage testers, and residual current detectors. The system enables automated testing of the spring operating mechanism. The contactors control the closing and opening of the circuit, and the withstand voltage testers apply pressure to detect leakage current, thereby improving testing efficiency and reliability.
It has enabled automated testing of spring operating mechanisms, improving testing efficiency, reducing testing costs, and enhancing reliability and usability.
Smart Images

Figure CN223471084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spring operating mechanism detection technical field, especially relate to the spring operating mechanism detection system for gas insulation circuit breaker cabinet. BACKGROUND
[0002] In the related art, the circuit breaker operating mechanism in the circuit breaker cabinet of the gas insulated ring network cabinet needs to be mechanically run-in, high-low voltage detected, secondary circuit pressure tested and the like after assembly, wherein the mechanical run-in is completely completed manually by workers, and the remaining items are separately completed by workers with the aid of other tools, the operation is complicated in the whole process, there are many repeated installation processes, the operation time is long, the efficiency is low, more manpower needs to be consumed, and the product manufacturing cost is directly increased. SUMMARY
[0003] The utility model discloses at least one of the technical problems in the prior art is solved, and for this purpose, the utility model provides a spring operating mechanism detection system for gas insulated circuit breaker cabinet, which can realize automatic detection of the spring operating mechanism, improve detection efficiency and reduce detection cost.
[0004] The spring operating mechanism detection system for gas insulated circuit breaker cabinet according to the utility model embodiment is characterized by comprising:
[0005] A test box has a mounting surface, and the mounting surface has a mounting position for mounting a spring operating mechanism;
[0006] A wiring tool is arranged on the mounting surface and is used for electrically connecting with the spring operating mechanism;
[0007] A contactor is arranged in the test box and is electrically connected with the wiring tool, and the contactor is used for closing or opening the spring operating mechanism;
[0008] A controller is arranged in the test box and is electrically connected with the contactor;
[0009] A voltage tester and a residual current detector are arranged in the test box and are electrically connected with the controller, the voltage tester is used for pressurizing the spring operating mechanism, and the residual current detector is used for detecting the leakage current of the spring operating mechanism after pressurizing;
[0010] An operation panel is arranged in the test box and is electrically connected with the controller.
[0011] The spring operating mechanism detection system for gas insulated circuit breaker cabinet according to the utility model embodiment has at least the following beneficial effects:
[0012] 1. The automatic closing and opening of the circuit where the spring operating mechanism is located is controlled by the contactor to perform mechanical running-in for a preset number of times, thereby improving the reliability of the spring operating mechanism in use.
[0013] 2. When the withstand voltage tester applies a withstand voltage to the spring operating mechanism, the residual current detector detects the leakage current in the circuit where the spring operating mechanism is located to complete the secondary circuit withstand voltage test of the spring operating mechanism, thereby improving the reliability in use.
[0014] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a program-controlled power supply, which is electrically connected to the controller.
[0015] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a power supply module, which is electrically connected to the operation panel.
[0016] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: an indicating piece, which is electrically connected to the controller and exposed on the outer surface of the test box.
[0017] According to some embodiments of the utility model, the indicating piece comprises an energy storage indicating lamp, a closing indicating lamp and an opening indicating lamp, which are all electrically connected to the controller.
[0018] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a warning piece, which is electrically connected to the controller and used for alarming.
[0019] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a control button, which is electrically connected to the controller.
[0020] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a printing module, which is electrically connected to the controller.
[0021] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: an analog circuit breaker switch, which is electrically connected to the spring operating mechanism and the controller.
[0022] According to some embodiments of the utility model, the test box has a device surface opposite to the mounting surface, the analog circuit breaker switch is arranged on the device surface and arranged back to the mounting position.
[0023] According to some embodiments of the utility model, the spring operating mechanism detection system for the gas insulated circuit breaker cabinet further comprises: a counter, which is electrically connected to the controller and exposed on the outer surface of the test box.
[0024] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0025] The utility model will be further explained in combination with the drawings and examples, wherein:
[0026] Figure 1 It is the structure schematic drawing of spring operating mechanism detection system for the gas insulated circuit breaker cabinet of an embodiment of the utility model;
[0027] Figure 2 It is the internal structure schematic drawing of spring operating mechanism detection system for the gas insulated circuit breaker cabinet of an embodiment of the utility model;
[0028] Figure 3 It is the test schematic drawing of spring operating mechanism detection system for the gas insulated circuit breaker cabinet of an embodiment of the utility model;
[0029] Figure 4 It is the rear view schematic drawing of spring operating mechanism detection system for the gas insulated circuit breaker cabinet of an embodiment of the utility model.
[0030] REFERENCE NUMERALS
[0031] Spring operating mechanism 10
[0032] Test box 100
[0033] Wiring tool 200
[0034] Contactor 300
[0035] Controller 400
[0036] Withstand voltage tester 500
[0037] Operating panel 600
[0038] Program-controlled power supply 700
[0039] Power module 800
[0040] Indication 900
[0041] Warning A00
[0042] Control button B00
[0043] Print module C00;
[0044] Simulated circuit breaker switch D00;
[0045] Counter E00. DETAILED DESCRIPTION
[0046] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are for the purpose of explanation of the present application, and are not to be understood as a limitation of the present application.
[0047] In the description of the present application, it is to be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down and the like is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.
[0048] In the description of the present application, several means one or more than one, and multiple means two or more than two. If there is a description of the first, the second is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0049] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.
[0050] It should be noted that the spring operating mechanism 10 is a mechanical operating mechanism using a spring as an energy storage element. The energy storage of the spring is completed by means of a motor through a speed reducer, and is maintained in the energy storage state through a lock catch system. When opening, the lock catch is released by means of magnetic force, the spring releases energy, and the contact is moved through a mechanical transmission unit. The spring operating mechanism 10 has simple structure and high reliability, and the opening and closing operation adopts two spiral compression springs. The closing spring is energized by the energizing motor, and when closing, part of the energy of the closing spring is used for closing, and the other part is used for energizing the opening spring. As soon as the closing spring is released, the energizing motor immediately energizes it, and the energizing time is not more than 15s (the energizing motor uses an AC / DC motor). During operation, the opening and closing springs are in compressed state, and the release of the opening spring has an independent system and is not related to the closing spring. The spring operating mechanism 10 designed in this way has high reliability and stability, and the mechanical stability test reaches 10000 times.
[0051] Referring to Figures 1 to 4 The utility model discloses an spring operating mechanism 10 detection system for gas insulated circuit breaker cabinet, which is mainly used for testing the spring operating mechanism 10 to detect the performance of the spring operating mechanism 10, wherein the spring operating mechanism 10 detection system for 12 ~ 40.5kV gas insulated circuit breaker cabinet comprises a test box 100, a wiring tool 200, a contactor 300, a controller 400, a withstand voltage tester 500 and an operation panel 600.
[0052] In the embodiment, the test box 100 comprises a box body and support legs connected to the bottom of the box body. The height of the box body is increased by the support legs, so that the height of the box body corresponds to the height of the operator, facilitating the operation of the operator. The box body is in the shape of a cuboid, has a rectangular groove inside, and the groove opening of the rectangular groove is located on the side of the box body. The groove bottom of the rectangular groove forms a mounting surface, which has a mounting position for mounting the spring operating mechanism 10. Specifically, the mounting surface has a plurality of nuts for locking the spring operating mechanism 10 by bolts, achieving the installation of the spring operating mechanism 10.
[0053] The wiring tool 200 is arranged on the mounting surface and is used for electrical connection with the spring operating mechanism 10. The wiring tool 200 is directly fixed on the mounting surface and is electrically connected to the circuit in the test box 100. After the spring operating mechanism 10 is installed on the mounting surface, the wiring tool 200 electrically connects the spring operating mechanism 10 to the circuit of the test box 100 and forms a complete loop, so as to facilitate the subsequent testing of the spring operating mechanism 10. In the embodiment, the wiring tool 200 comprises a terminal row and a socket. The terminal row is used for wiring, and the socket is used for power supply.
[0054] The contactor 300 is arranged in the test box 100 and is electrically connected to the wiring tool 200. The contactor 300 is used for closing or opening the spring operating mechanism 10. The contactor 300 is electrically connected to the circuit of the test box 100 and is connected in series with the spring operating mechanism 10, so as to control the on-off of the loop and make the spring operating mechanism 10 close or open.
[0055] The controller 400 is arranged in the test box 100 and is electrically connected to the contactor 300. The controller 400 controls the on-off of the contactor 300, so as to realize the closing or opening of the spring operating mechanism 10. In the embodiment, the controller 400 is a PLC controller 400.
[0056] The voltage-withstanding tester 500 and the residual current detector are arranged in the test box 100 and are electrically connected to the controller 400, the voltage-withstanding tester 500 is used for applying voltage to the spring operating mechanism 10, and the residual current detector is used for detecting the leakage current of the spring operating mechanism 10 after being applied with voltage; the controller 400 communicates with the voltage-withstanding tester 500, selects the corresponding voltage-withstanding parameter of the spring operating mechanism 10 under the rated voltage, and loads the voltage-withstanding voltage to the circuit in which the spring operating mechanism 10 is arranged, and the leakage current is detected by the residual current detector, if the voltage-withstanding tester 500 and the leakage current value are both over standard, the spring operating mechanism 10 is unqualified, and the controller 400 records the structure and outputs the structure, and the detection is completed.
[0057] The operation panel 600 is arranged in the test box 100 and is electrically connected to the controller 400, the operation panel 600 is convenient for an operator to control a preset program, and the operator is more convenient to use. The operation panel 600 can be a touch screen or can be operated through a button.
[0058] It is worth understanding that the automatic closing and opening of the circuit in which the spring operating mechanism 10 is arranged is controlled by the contactor 300, mechanical wear is carried out for a preset number of times, and the reliability of the spring operating mechanism 10 is improved; when the voltage-withstanding voltage is applied to the spring operating mechanism 10 by the voltage-withstanding tester 500, the leakage current in the circuit in which the spring operating mechanism 10 is arranged is detected by the residual current detector, the voltage-withstanding test of the secondary circuit of the spring operating mechanism 10 is completed, and the reliability of use is improved.
[0059] Referring to Figure 1 As shown in the utility model some specific embodiments, for the spring operating mechanism 10 detection system of gas insulated switchgear cabinet still includes: program-controlled power supply 700, program-controlled power supply 700 electric connection is in controller 400.
[0060] It is worth understanding that the program-controlled power supply 700 and the controller 400 communicate through a serial port, the controller 400 changes the voltage passing through the spring operating mechanism 10 through the program-controlled power supply 700, the controller 400 synchronously records the opening and closing conditions of the spring operating mechanism 10, completes the high and low voltage detection required by the national standard, and records the results.
[0061] Referring to Figure 4 As shown in the utility model some specific embodiments, for the spring operating mechanism 10 detection system of gas insulated switchgear cabinet still includes: power module 800, power module 800 electric connection is in operation panel 600.
[0062] It is worth understanding that the power module 800 is used for power supply to the operation panel 600, so that the operation panel 600 runs smoothly. The power module 800 and the program-controlled power supply 700 are arranged in different circuits.
[0063] Referring toFigure 1 As shown in Figure 2 In some embodiments of the utility model, the spring operating mechanism 10 detection system for gas insulated switch cabinet further comprises: an indicating element 900, the indicating element 900 is electrically connected to the controller 400 and exposed on the outer surface of the test box 100.
[0064] It is worth understanding that the indicating element 900 is exposed on the outer surface of the test box 100, so that when the state of the indicating element 900 changes, it can be observed by the operator, and the operator can understand the specific process step or the cause of the equipment failure in time according to the change of the indicating element 900.
[0065] Referring to Figure 1 As shown in Figure 2 In some embodiments of the utility model, the indicating element 900 comprises an energy storage indicating lamp, a closing indicating lamp and an opening indicating lamp, all of which are electrically connected to the controller 400. All the indicating lamps comprise two lamps, one is a fault lamp and the other is a working lamp, the colors of the fault lamp and the working lamp are different, generally speaking, the working lamp adopts green color and the fault lamp adopts red color, and the working lamp and the fault lamp are not always on, only in the working state, the working lamp is always on or flashes, only when a fault occurs, the fault lamp is always on or flashes.
[0066] Referring to Figure 1 As shown in Figure 2 In some embodiments of the utility model, the spring operating mechanism 10 detection system for gas insulated switch cabinet further comprises: a warning element A00, the warning element A00 is electrically connected to the controller 400 and used for alarming.
[0067] It is worth understanding that the warning element A00 is used for issuing a warning, which can remind the operator in various ways, so that the operator can respond in time to process the warning issued by the warning element A00. Among them, the warning element A00 can be light warning or sound warning or sound and light synchronous warning, specifically, the warning element A00 can be a constant multi-layer indicating lamp (DC), a stroboscopic multi-layer indicating lamp (DS), a reflective rotating multi-layer indicating lamp (DF), a common stroboscopic indicating lamp (DPF), a common reflective rotating indicating lamp (DPS) and a combined indicating lamp (DZ).
[0068] Referring to Figure 1 As shown in
[0069] It is worth understanding that the controller 400 runs the program by controlling the control button B00, so that the controller 400 starts to execute the program or suspends the program running. In other words, the spring operating mechanism 10 detection system still retains the manual operation space, and in an emergency, the operator can intervene in the test process through the control button B00 to avoid accidents and reduce risks.
[0070] Referring to Figure 1 As shown in the utility model, in some embodiments of the utility model, the spring operating mechanism 10 detection system for the gas insulated circuit breaker cabinet further comprises: a printing module C00, which is electrically connected to the controller 400.
[0071] It is worth understanding that after the controller 400 records the results, the controller 400 communicates with the printing module C00 and prints the results, which is convenient for the operator to understand the test results in time and also convenient for the operator to inform other relevant personnel of the operation results.
[0072] Referring to Figure 3 As shown in the utility model, in some embodiments of the utility model, the spring operating mechanism 10 detection system for the gas insulated circuit breaker cabinet further comprises: an analog circuit breaker switch D00, which is electrically connected to the spring operating mechanism 10 and electrically connected to the controller 400.
[0073] It is worth understanding that through the cooperation of the analog circuit breaker switch D00 and the spring operating mechanism 10, the spring operating mechanism 10 can drive the analog circuit breaker switch D00 to open and close, and the use of the spring operating mechanism 10 is more reliable. The analog circuit breaker switch D00 is not a real circuit breaker and will not affect the service life of the normal circuit breaker. After the test is completed, the spring operating mechanism 10 can be assembled and used with the real circuit breaker.
[0074] Referring to Figure 3 As shown in the utility model, in some embodiments of the utility model, the test box 100 has a device surface relative to the mounting surface, the analog circuit breaker switch D00 is arranged on the device surface and is arranged opposite to the mounting position.
[0075] It is worth understanding that the analog circuit breaker switch D00 is arranged on the device surface and is arranged opposite to the spring operating mechanism 10, so that the installation space of the spring operating mechanism 10 is larger, the connection with the analog circuit breaker switch D00 is convenient, and the operator can install or disassemble the spring operating mechanism 10 more conveniently.
[0076] Referring to Figure 1 and Figure 2As shown, in some specific embodiments of the utility model, the spring operating mechanism 10 detection system for gas insulated circuit breaker cabinet further comprises: a counter E00, the counter E00 is electrically connected to the controller 400, and is exposed on the outer surface of the test box 100.
[0077] It is worth understanding that the test times of the spring operating mechanism 10 are recorded by the counter E00, and the test times of the spring operating mechanism 10 are known in time, after the spring operating mechanism 10 is completely opened and closed for a preset number of times, the counter E00 communicates with the controller 400 to stop the opening and closing test of the spring operating mechanism 10, and the next test can be carried out or a new spring operating mechanism 10 is tested.
[0078] The utility model has been described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A spring operating mechanism detection system for a gas insulated circuit breaker tank, characterized by, The test box comprises: a test box having a mounting surface, the mounting surface having a mounting position for mounting a spring operating mechanism; a wiring tool provided on the mounting surface and used for electrical connection with the spring operating mechanism; a contactor provided on the test box and electrically connected to the wiring tool, the contactor being used for closing or opening the spring operating mechanism; a controller provided on the test box and electrically connected to the contactor; a voltage withstand tester and a residual current detector, both provided on the test box and electrically connected to the controller, the voltage withstand tester being used for applying voltage to the spring operating mechanism, and the residual current detector being used for detecting leakage current of the spring operating mechanism after voltage is applied; an operation panel provided on the test box and electrically connected to the controller.
2. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: a program-controlled power supply electrically connected to the controller.
3. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: a power supply module electrically connected to the operation panel.
4. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: an indicating member electrically connected to the controller and exposed on an outer surface of the test box.
5. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 4, characterized by: The indicating member comprises an energy storage indicating lamp, a closing indicating lamp and an opening indicating lamp, all of which are electrically connected to the controller.
6. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: a warning member electrically connected to the controller and used for alarming.
7. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: a control button electrically connected to the controller.
8. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: a printing module electrically connected to the controller.
9. The spring operating mechanism detection system for a gas insulated circuit breaker tank according to claim 1, characterized by, Further comprising: an analog circuit breaker switch electrically connected to the spring operating mechanism and electrically connected to the controller.
10. The spring operating mechanism detection system for a gas insulated circuit breaker tank as claimed in claim 9, wherein: The test box has a device surface relative to the mounting surface, the analog circuit breaker switch is provided on the device surface and is arranged opposite to the mounting position.