Modularized high-low voltage power supply and distribution testing device
By adopting an angle steel bracket and permanent magnet material adsorption and fixation design in the high-voltage electrical equipment testing device, the problem of inconvenient mold operation is solved, the quick assembly and disassembly of the switching mold is realized, and the testing efficiency is improved.
Patent Information
- Application Number
- CN202422792236.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-15
AI Technical Summary
In existing high-voltage electrical equipment testing devices, the fixed mold is inconvenient to operate, resulting in a cumbersome disassembly and assembly process, making it difficult to replace quickly and affecting testing efficiency.
The switch mold is fastened by using an angle steel bracket and permanent magnet material for adsorption and fixation, combined with the design of magnets and limit knobs, so as to realize the quick assembly and disassembly of the switch mold and adapt to the placement requirements of different specifications of disconnect switches.
The overall testing efficiency of the testing device has been improved. By simplifying the disassembly and assembly process, it can be adapted to the rapid placement of different batches of disconnect switches, thus enhancing the ease of operation.
Smart Images

Figure CN223727854U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electrical performance testing technology, and in particular relates to a modular high and low voltage power supply and distribution testing device. Background Technology
[0002] Modular high and low voltage power distribution systems are power systems that integrate high and low voltage electrical equipment, control equipment, protection equipment, and measuring equipment. Their primary purpose is to ensure the safe, stable, and efficient operation of the power system. Through testing, potential faults and hidden dangers can be identified and eliminated in a timely manner, improving the reliability and stability of the power system.
[0003] Currently, common high-voltage electrical equipment includes disconnect switches, circuit breakers, transformers, and instrument transformers. However, after disconnect switches are manufactured, they undergo electrical performance testing, which mainly includes: electrical performance testing, protection function testing, control function testing, and measurement function testing.
[0004] The current common practice is to install specific switch molds within the testing device to house the disconnecting switch under test. However, these molds present significant operational inconveniences, specifically cumbersome assembly and disassembly processes that hinder rapid replacement, thus impacting overall testing efficiency. Therefore, based on these issues, we designed a modular high and low voltage power supply and distribution testing device. Utility Model Content
[0005] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a modular high and low voltage power supply and distribution testing device. This modular high and low voltage power supply and distribution testing device solves the technical problem that existing testing devices, when fixing disconnect switches, suffer from significant operational inconvenience due to the fixing mold inside the device. Specifically, the disassembly and assembly process is cumbersome and difficult to achieve quick replacement, thus affecting the overall testing efficiency.
[0006] To achieve the above objectives, a modular high and low voltage power supply and distribution testing device is proposed according to an embodiment of the first aspect of the present invention, comprising a base, an equipment compartment disposed on the base, and a detection compartment disposed between the base and the equipment compartment;
[0007] Also includes:
[0008] A detection seat is installed inside the detection chamber. The surface of the detection seat has an installation groove. The middle of the installation groove has a locking notch. The locking notch is recessed downward and a main magnet is connected inside the locking notch. Angle steel brackets are connected at the four corners of the installation groove.
[0009] The switch mold is arranged in the mounting groove, and is tightly attached to each angle steel clamping seat at four corners, a plurality of switch placing grooves are formed in the surface of the switch mold, and an adsorbing magnetic plate is arranged on the bottom surface of the switch mold at a position corresponding to the clamping gap.
[0010] Further improvement lies in that the inner wall of the mounting groove is connected with a ring of adsorbing magnetic sheets, and the back surface of each angle steel clamping seat is adjacently connected with an adsorbing magnetic block.
[0011] Further improvement lies in that the surface of the detection bin is provided with a plurality of electric guide rail assemblies, and the bottom surface of the detection seat is connected to each electric guide rail assembly.
[0012] Further improvement lies in that the surface of the detection seat is rotatably provided with a limiting fixing knob at four corners, and the surface of the switch mold is provided with a fixing clamping hole matched with each limiting fixing knob.
[0013] Further improvement lies in that each angle steel clamping seat has the same specification, and the inner wall surface of each angle steel clamping seat is connected with a rubber gasket.
[0014] Further improvement lies in that a pair of lifting cylinders and a lifting frame plate are connected in the equipment bin, the rod body bottom surface of each lifting cylinder is connected to the surface of the lifting frame plate, the electrical performance tester is arranged in the equipment bin, and the test probe of the electrical performance tester is arranged on the bottom surface of the lifting frame plate.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] The utility model discloses a kind of angle steel clamping seats, which are tightly attached to the four corners of the inner wall of the mounting groove, and the adsorbing magnetic block on the back surface of the angle steel clamping seat is adsorbed and fixed with the adsorbing magnetic sheet on the inner wall of the mounting groove. Then, the power supply of the main magnet is connected to generate a magnetic field, and the four corners of the switch mold are embedded in the inner wall of each angle steel clamping seat, to ensure that the four corners of the mold outer wall are in close contact with the rubber sheet, and the adsorbing magnetic plate in the middle of the mold bottom surface is accurately clamped into the clamping gap and adsorbed with the internal main magnet. After that, the tester rotates each limiting fixing knob to make it clamped into the fixed clamping hole, thereby fixing the top surface of the switch mold and preventing it from moving up during vibration. This design enables different specifications of switch molds to be quickly and conveniently disassembled and assembled, adapting to the placement needs of different batches of disconnectors, and thereby improving the overall detection efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0019] Figure 3It is the half profile overhead structure schematic view of the switch mold and detection seat of the utility model.
[0020] The figure marks:
[0021] 1, base;
[0022] 2, detection seat; 21, installation groove; 22, clamping notch; 23, main magnet; 24, angle steel card seat; 25, adsorption magnetic plate; 201, adsorption magnetic sheet; 202, adsorption magnetic block; 203, limit fixed knob;
[0023] 3, switch mold; 31, disconnecting switch placement groove; 32, fixed clamping port;
[0024] 4, equipment warehouse; 41, lifting cylinder; 42, lifting frame plate; 43, electrical performance tester;
[0025] 5, detection warehouse; 51, electric guide rail assembly. DETAILED DESCRIPTION
[0026] The technical scheme of the utility model will be described clearly and completely in combination with embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model.
[0027] As Figure 1 and Figure 2 A kind of modular high-low voltage power supply and distribution test device, including base 1, equipment warehouse 4 being arranged on base 1 and detection warehouse 5 being arranged between base 1 and equipment warehouse 4;
[0028] Specifically, a pair of lifting cylinders 41 and lifting frame plate 42 are connected in equipment warehouse 4, the rod body bottom surface of each lifting cylinder 41 is connected to the surface of lifting frame plate 42, electrical performance tester 43 is arranged in equipment warehouse 4, and the test probe of electrical performance tester 43 is arranged on the bottom surface of lifting frame plate 42. The test probe on the bottom surface of electrical performance tester 43 is provided with multiple pairs, the height of lifting frame plate 42 and test probe is lowered by starting a pair of lifting cylinders 41, until the test probe on electrical performance tester 43 is in contact with the wiring end of disconnecting switch, and then the performance of disconnecting switch is tested;
[0029] As Figure 2 and Figure 3As shown, the embodiment includes: a detection seat 2 arranged in the detection bin 5, the surface of the detection seat 2 is provided with a mounting groove 21, the middle of the mounting groove 21 is provided with a clamping notch 22, the clamping notch 22 is recessed downward, the clamping notch 22 is connected with a main magnet 23, and the four corners of the mounting groove 21 are connected with an angle steel clamping seat 24;
[0030] Specifically, as a preferred embodiment, the inner wall of the mounting groove 21 is connected with a ring of adsorbing magnetic sheets 201, the back surface of each angle steel clamping seat 24 is connected with an adsorbing magnetic block 202 (made of permanent magnetic material) adjacent to each other, each angle steel clamping seat 24 is of the same specification, and the inner wall surface of each angle steel clamping seat 24 is connected with a rubber pad, by tightly fitting the angle steel clamping seat 24 at the four corners of the inner wall of the mounting groove 21, and using the adsorbing magnetic block 202 on the back surface of the angle steel clamping seat 24 to adsorb and fix the adsorbing magnetic sheet 201 on the inner wall of the mounting groove 21, the angle steel clamping seat 24 can be conveniently disassembled and assembled; when the four corners of the switch mold 3 are embedded in the inner wall of each angle steel clamping seat 24, it is ensured that the four corners of the mold outer wall are in close contact with the rubber sheet.
[0031] The switch mold 3 is arranged in the mounting groove 21 and is fitted with each angle steel clamping seat 24 at the four corners, the surface of the switch mold 3 is provided with a plurality of disconnecting switch placing grooves 31, and the bottom surface of the switch mold 3 is provided with an adsorbing magnetic plate 25 (made of permanent magnetic material) at a position corresponding to the clamping notch 22; by connecting the power supply of the main magnet 23 to generate a magnetic field, embedding the four corners of the switch mold 3 in the inner wall of each angle steel clamping seat 24, and at the same time accurately clamping the adsorbing magnetic plate 25 in the middle of the mold bottom surface into the clamping notch 22 to adsorb the main magnet 23 inside, the quick disassembly and assembly of switch molds 3 of different specifications can be greatly facilitated, thereby flexibly adapting to the placement requirements of different batches of disconnecting switches and effectively improving the overall detection efficiency.
[0032] Specifically, as a preferred embodiment, the surface of the detection bin 5 is provided with a plurality of electric guide rail assemblies 51, and the bottom surface of the detection seat 2 is connected to each electric guide rail assembly 51, which is responsible for the movement of the detection seat 2 to the detection position to facilitate detection.
[0033] Specifically, as a preferred embodiment, a limit fixing knob 203 is rotatably arranged at the four corners of the surface of the detection seat 2, and a fixed clamping hole 32 is arranged at the four corners of the surface of the switch mold 3 to cooperate with the installation of each limit fixing knob 203.
[0034] As shown in the figure, Figures 1 to 3 It should be noted that in the present embodiment:
[0035] The test content is specifically: electrical performance test: test the electrical performance of high and low voltage electrical equipment, such as insulation resistance, dielectric strength, short circuit resistance, etc., to ensure that the equipment can work normally under normal and abnormal conditions.
[0036] Protection function test: test the action time and value of the protection device to ensure that the protection device can quickly and accurately cut off the fault circuit when the power system fails, and protect the safety of the device and personnel.
[0037] Control function test: test the control logic and control accuracy of the control device to ensure that the power system can operate according to the predetermined program and parameters.
[0038] Measurement function test: test the accuracy and stability of the measuring device to ensure that the parameters of the power system can be accurately measured to provide reliable data support for the operation and management of the power system. It should be noted that the test of the disconnecting switch is carefully tested by the electrical performance tester 43, which is a prior art and the working principle is disclosed. This application only improves the shortcomings of the existing test device in placing and fixing the disconnecting switch, which is not convenient to operate due to the existence of the fixed mold in the device, specifically manifested as complicated disassembly and difficult to achieve quick replacement, thereby affecting the overall detection efficiency, and does not involve other aspects; the working principle of the modular high-low voltage power supply and distribution test device is introduced as follows:
[0039] When the new type is used, the tester first selects the matching switch mold 3 and a set of angle steel clamping seat 24 according to different batches of disconnecting switches. Then, the set of angle steel clamping seat 24 is tightly fitted on the four corners of the inner wall of the installation groove 21, and the adsorbing magnetic block 202 on the back of the angle steel clamping seat 24 is adsorbed and fixed with the adsorbing magnetic sheet 201 on the inner wall of the installation groove 21. Subsequently, the power supply of the main magnet 23 is turned on to generate a magnetic field, and the four corners of the switch mold 3 are embedded in the inner wall of each angle steel clamping seat 24, ensuring that the four corners of the outer wall of the mold are in close contact with the rubber sheet, and the adsorbing magnetic plate 25 in the middle of the bottom surface of the mold is accurately clamped into the clamping gap 22 and adsorbed with the internal main magnet 23. Then, the tester rotates each limiting fixing knob 203 to make it clamped into the fixed clamping hole 32, thereby fixing the top surface of the switch mold 3 to prevent it from moving up during vibration. This design enables quick and convenient disassembly and assembly of switch molds 3 of different specifications to meet the placement needs of disconnecting switches of different batches, thereby improving the overall detection efficiency.
[0040] After the disconnecting switch is properly placed, the device is moved to the predetermined position inside the detection chamber 5 by controlling the electric guide rail assembly 51. Then, a pair of lifting cylinders 41 is started to drive the lifting frame plate 42 and the test probe to descend in height until the test probe on the electrical performance tester 43 is in contact with the wiring end of the disconnecting switch, and then the performance of the disconnecting switch is tested.
[0041] The above examples are only used to illustrate the technical method of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.
Claims
1. A modular high and low voltage power supply and distribution test device, comprising a base (1), an equipment compartment (4) disposed on the base (1), and a test compartment (5) disposed between the base (1) and the equipment compartment (4); Its features are, Also includes: The detection seat (2) is set inside the detection chamber (5). The surface of the detection seat (2) is provided with an installation groove (21). The middle part of the installation groove (21) is provided with a locking notch (22). The locking notch (22) is recessed downward. The main magnet (23) is connected inside the locking notch (22). Angle steel brackets (24) are connected at the four corners of the installation groove (21). The switch mold (3) is set in the mounting groove (21), and each angle steel bracket (24) is attached to the four corners. Several isolation switch placement grooves (31) are opened on the surface of the switch mold (3). An adsorption magnetic plate (25) is set on the bottom surface of the switch mold (3) at the position corresponding to the engagement notch (22).
2. The modular high and low voltage power supply and distribution testing device according to claim 1, characterized in that, The inner wall of the mounting groove (21) is connected to a ring of magnetic adsorption sheets (201), and each angle steel bracket (24) has adjacent magnetic adsorption blocks (202) connected to its back side.
3. The modular high and low voltage power supply and distribution testing device according to claim 1, characterized in that, The surface of the detection chamber (5) is provided with several electric guide rail assemblies (51), and the bottom surface of the detection seat (2) is connected to each electric guide rail assembly (51).
4. The modular high and low voltage power supply and distribution testing device according to claim 1, characterized in that, The detection seat (2) has a limit fixing knob (203) rotatably installed at the four corners of its surface, and the switch mold (3) has a fixing slot (32) at the four corners of its surface that is compatible with each limit fixing knob (203).
5. A modular high and low voltage power supply and distribution testing device according to claim 1, characterized in that, Each of the angle steel brackets (24) has the same specifications, and each angle steel bracket (24) has a rubber gasket connected to its inner wall surface.
6. A modular high and low voltage power supply and distribution testing device according to claim 1, characterized in that, The equipment compartment (4) is connected to a pair of lifting cylinders (41) and a lifting frame plate (42). The bottom surface of the rod of each lifting cylinder (41) is connected to the surface of the lifting frame plate (42). An electrical performance tester (43) is installed in the equipment compartment (4). The test probe of the electrical performance tester (43) is set on the bottom surface of the lifting frame plate (42).