A measuring switch for switchgear

Abstract

The application relates to the technical field of power electronic components, in particular to a metering switch for a power distribution cabinet, which comprises a metering switch main body, a carrier module and a conductive pin, an outer wall of the carrier module is provided with a through groove, an inner wall of the through groove is fixedly connected with a fixed plate, an inner wall of the fixed plate is threadedly connected with a second fixing bolt, one end of the second fixing bolt is rotationally connected with a support frame, and an outer wall of the support frame is fixedly connected with a moving sleeve frame. The metering switch has the beneficial effects that the first abutting block moves simultaneously with the third return spring and the abutting pressing plate, the abutting pressing plate is tightly attached to the outermost conductive pin, the pressing force of the abutting pressing plate on the outer side of the conductive pin is greater when the moving sleeve frame is closer to the pin socket, elastic protection measures can be taken on the outermost ends of the two ends of the conductive pin on the basis of transverse and longitudinal protection, and the anti-deformation protection measures for all directions of the conductive pin are further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power electronic components, in particular to a power distribution cabinet metering switch. BACKGROUND

[0002] The power distribution cabinet evolves from a simple power distribution unit to a comprehensive performance energy management node capable of achieving accurate measurement, intelligent diagnosis, active control and optimized operation. The intelligent upgrading of the power distribution cabinet metering switch and the wide application of power electronic components such as chips and modules inside the power distribution cabinet are two parallel and interwoven technical routes driving the development of intelligent power distribution, and therefore are commonly used in various power distribution cabinets.

[0003] The existing power distribution cabinet metering switch on the market usually installs a carrier module on the metering switch body during use to transmit the voltage and current data detected by the metering switch to the carrier of the power distribution cabinet for analysis and monitoring. The carrier module is usually inserted into the pin mounting slot reserved in the metering switch by means of pin insertion. However, since the pins are usually made of metal sheets, they are prone to deformation due to external force during the installation and insertion of the carrier module and the maintenance of the electric meter, thereby causing the pins to be damaged and unable to be used. Therefore, a power distribution cabinet metering switch is needed to solve the problem. SUMMARY

[0004] The present application provides a power distribution cabinet metering switch, which has the beneficial effect of preventing deformation of the pins in all directions, solving the problem of pin deformation due to external force during the installation and insertion of the carrier module and the maintenance of the electric meter, thereby causing the pins to be damaged and unable to be used. To achieve the above purpose, the present application provides the following technical scheme: a power distribution cabinet metering switch, comprising a metering switch body, a carrier module and a conductive pin, a through slot is formed in the outer wall of the carrier module, a fixed plate is fixedly connected to the inner wall of the through slot, a second fixing bolt is threadedly connected to the inner wall of the fixed plate, a support frame is rotatably connected to one end of the second fixing bolt, a moving sleeve frame is fixedly connected to the outer wall of the support frame, a second guide rod is fixedly connected to the inner wall of the moving sleeve frame, a second sliding block is slidably connected to the outer wall of the second guide rod, a pressing sleeve is slidably sleeved on the outer wall of the second fixing bolt, a first abutting block is fixedly connected to the outer wall of the second sliding block, a third return spring is fixedly connected to the outer wall of the first abutting block, and an abutting pressing plate for pressing the conductive pin is fixedly connected to one end of the third return spring.

[0005] Preferably, a module mounting seat is fixedly installed on the outer wall of the metering switch body, a plurality of pin insertion openings are formed in the module mounting seat, two accommodation grooves are formed in the module mounting seat, and the inner contour of the pin insertion opening and the outer contour of the conductive pin are matched with each other.

[0006] Preferably, the carrier module is slidingly mounted to the inner wall of the module mounting seat, the conductive pins are fixedly mounted to the carrier module, the conductive pins are provided in plurality, and the outer wall of the carrier module is hingedly mounted with a hinge handle.

[0007] Preferably, the outer wall of the fixed plate is fixedly connected with a first guide rod, the outer wall of the first guide rod is slidingly sleeved with a first sliding block, the outer wall of the pressing sleeve is fixedly connected with the outer wall of the first sliding block, the outer wall of the first guide rod is sleeved with a first return spring, one end of the first return spring is fixedly connected with the outer wall of the first sliding block, and the other end of the first return spring is fixedly connected with the outer wall of the fixed plate.

[0008] Preferably, the outer wall of the second fixed bolt is fixedly mounted with a pressing piece.

[0009] Preferably, the outer wall of the moving sleeve frame is fixedly connected with a plurality of support blocks, and the plurality of support blocks are staggered between the plurality of conductive pins.

[0010] Preferably, the outer wall of the second guide rod is sleeved with a second return spring, one end of the second return spring is fixedly connected with the outer wall of the second sliding block, the other end of the second return spring is fixedly connected with the outer wall of the support frame, the outer wall of the first abutting block is provided with a first abutting inclined surface, the end of the pressing sleeve is fixedly connected with a second abutting block, the outer wall of the second abutting block is provided with a second abutting inclined surface, and the outer contours of the first abutting inclined surface and the second abutting inclined surface are matched with each other.

[0011] Preferably, the outer wall of the measurement switch body is provided with a plurality of first grooves, and the inner wall of the first groove is threadedly connected with a first fixed bolt.

[0012] Preferably, the outer wall of the measurement switch body is provided with a plurality of wiring holes, the inner wall of the wiring hole is provided with a plurality of second grooves, one end of the first fixed bolt is rotatably mounted with a wiring pressing frame, and the outer contour of the wiring pressing frame is matched with the inner contour of the second groove.

[0013] Preferably, the outer wall of the measurement switch body is fixedly mounted with a control panel, the outer wall of the measurement switch body is fixedly connected with a fixed frame, and the outer wall of the fixed frame is provided with a mounting hole.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1、The second fixed bolt is rotated in the application, until the moving sleeve frame and the plurality of supporting blocks abut the ends of the conductive pins exposed outside the pin socket, so that after the conductive pins are installed in place, the moving sleeve frame can abut the front and back positions of the conductive pins in the longitudinal position, preventing them from being deformed longitudinally during use, and making the longitudinal position of the conductive pins have no deformable space.

[0016] 2、In the application, the plurality of supporting blocks are inserted at the closest position of the conductive pins near the pin socket port at this time, which can limit the transverse deformation of the plurality of conductive pins, so that the plurality of conductive pins have no transverse deformation space, and through the position limitation in the longitudinal and transverse directions, the longitudinal and transverse directions of the conductive pins are not easily deformed after being stressed, and with the rotation of the second fixed bolt, the supporting blocks are inserted at the ends of the adjacent two conductive pins, so that the space between the adjacent two conductive pins cannot be compressed and deformed due to external force.

[0017] 3、In the application, the first abutting block moves synchronously with the third return spring and the abutting pressing plate, so that the abutting pressing plate tightly abuts the outermost conductive pin, and with the moving sleeve frame moving closer to the pin socket, the pressing force of the abutting pressing plate on the outside of the conductive pin is greater, which can further improve the elastic protection measures for the outermost ends of the conductive pins in the transverse and longitudinal directions, and further improve the anti-deformation protection measures for all directions of the conductive pins. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the application;

[0019] Figure 2 It is a schematic diagram of the overall bottom view structure of the application;

[0020] Figure 3 It is a schematic diagram of the bottom view cross-sectional structure of the application;

[0021] Figure 4 It is a schematic diagram of the Figure 3 enlarged structure at A in the application;

[0022] Figure 5 It is a schematic diagram of the carrier module explosion structure of the application;

[0023] Figure 6 It is a schematic diagram of the carrier module and its surrounding cross-sectional structure of the application;

[0024] Figure 7 It is a schematic diagram of the carrier module and its surrounding structure of the application;

[0025] Figure 8 It is a schematic diagram of the pressing sleeve and its surrounding structure of the application.

[0026] The components represented by the numbers in the drawings are listed as follows: 1, metering switch main body; 2, module mounting seat; 3, pin socket; 4, storage groove; 5, fixed frame; 6, mounting hole; 7, control panel; 8, first groove; 9, first fixing bolt; 10, wiring hole; 11, wiring pressure frame; 12, second groove; 13, carrier wave module; 14, hinged handle; 15, conductive pin; 16, second fixing bolt; 17, fixed plate; 18, pressing piece; 19, pressing sleeve; 20, first sliding block; 21, first guide rod; 22, first return spring; 23, support frame; 24, moving sleeve frame; 25, second guide rod; 26, second return spring; 27, second sliding block; 28, first abutting block; 29, third return spring; 30, abutting pressing plate; 31, first abutting inclined surface; 32, support block; 33, through groove; 34, second abutting block; 35, second abutting inclined surface. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Embodiment one: this embodiment promotes the solution to the problem that the pins are usually made of metal sheets, and are easily deformed by external force during the installation and insertion of the carrier wave module 13 and the maintenance of the electric meter, so that the pins are damaged and cannot be used. Please refer to Figure 1 Figure 8 A metering switch for a power distribution cabinet, comprising a metering switch main body 1, a carrier wave module 13 and a conductive pin 15, a through groove 33 is formed in the outer wall of the carrier wave module 13, a fixed plate 17 is fixedly connected to the inner wall of the through groove 33, a second fixing bolt 16 is threadedly connected to the inner wall of the fixed plate 17, a support frame 23 is rotatably connected to one end of the second fixing bolt 16, and a moving sleeve frame 24 is fixedly connected to the outer wall of the support frame 23.

[0029] A module mounting seat 2 is fixedly installed on the outer wall of the metering switch main body 1, a plurality of pin sockets 3 are formed in the module mounting seat 2, two storage grooves 4 are formed in the module mounting seat 2, and the inner contour of the pin socket 3 is matched with the outer contour of the conductive pin 15.

[0030] The carrier wave module 13 is slidingly installed on the inner wall of the module mounting seat 2, the conductive pin 15 is fixedly installed on the carrier wave module 13, and a plurality of conductive pins 15 are arranged, and the carrier wave module 13 is hingedly installed with a hinged handle 14.

[0031] ​The outer wall of the mobile sleeve frame 24 is fixedly connected with a plurality of support blocks 32, the support blocks 32 are made of insulating plastic, and the plurality of support blocks 32 are staggered between the plurality of conductive pins 15.

[0032] A plurality of first recesses 8 are formed in the outer wall of the measuring switch body 1, and the inner wall of the first recess 8 is threadedly connected with a first fixing bolt 9.

[0033] A plurality of wiring holes 10 are formed in the outer wall of the measuring switch body 1, a plurality of second recesses 12 are formed in the inner wall of the wiring hole 10, one end of the first fixing bolt 9 is rotatably installed with a wiring pressing frame 11, and the outer contour of the wiring pressing frame 11 is matched with the inner contour of the second recess 12.

[0034] The outer wall of the measuring switch body 1 is fixedly installed with a control panel 7, the outer wall of the measuring switch body 1 is fixedly connected with a fixed frame 5, and the outer wall of the fixed frame 5 is provided with a mounting hole 6.

[0035] In this embodiment: when using the power distribution cabinet measuring switch, first, the wire to be connected is stripped to expose the inner core copper wire of about three centimeters, then the copper wire end is inserted into the wiring hole 10 at the bottom of the measuring switch body 1, it should be noted that the copper wire needs to pass through the wiring pressing frame 11, after the copper wire is inserted in place, the first fixing bolt 9 is twisted with a screwdriver, the first fixing bolt 9 is gradually moved away from the first recess 8 in the direction of the threaded connection, so that the first fixing bolt 9 with the wiring pressing frame 11 is moved upward along the second recess 12, the wiring pressing frame 11 is gradually accommodated in the second recess 12, so that the copper wire part passing through the wiring pressing frame 11 is pressed and bent in the wiring hole 10 by the inner wall of the wiring pressing frame 11, so as to fix the position of the copper wire end, complete the wiring, the whole process is relatively simple and convenient.

[0036] In the process of reinstallation after the carrier module 13 is overhauled, the conductive pins 15 are inserted into the pin insertion ports 3, and after the conductive pins 15 are inserted in place, the second fixing bolt 16 is rotated, and after the second fixing bolt 16 is rotated, it moves along the inner wall of the fixing plate 17 to the direction of the through slot 33 by the threaded connection relationship, and the second fixing bolt 16 moves while the support frame 23 connected with the end rotates synchronously, and the support frame 23 moves while the moving sleeve frame 24 moves synchronously, and the moving sleeve frame 24 moves while the plurality of support blocks 32 moves synchronously, until the moving sleeve frame 24 and the plurality of support blocks 32 abut the ends of the conductive pins 15 exposed outside the pin insertion ports 3, at this time the moving sleeve frame 24 can limit the longitudinal deformation of the conductive pins 15 in the longitudinal direction, so that they have no deformation space, and the plurality of support blocks 32 are inserted at the closest position of the conductive pins 15 close to the port of the pin insertion port 3, which can limit the transverse deformation of the plurality of conductive pins 15, so that the plurality of conductive pins 15 have no transverse deformation space. By limiting the position in the longitudinal and transverse directions, it is difficult for the conductive pins 15 to deform in the longitudinal and transverse directions under stress, solving the problem that the conductive pins 15 are easily deformed by external force, so that the conductive pins 15 cannot be damaged and cannot be used.

[0037] When disassembly and overhaul are needed, the articulated handle 14 can be opened by rotating it, and then the carrier module 13 can be removed from the module mounting seat 2 by pulling the articulated handle 14.

[0038] Embodiment two: This embodiment solves the problem that the conductive pins 15 on the outermost two sides of the plurality of conductive pins 15 are easily deformed left and right and rubbed and pressed against the inner wall of the pin insertion port 3 during subsequent stress process, causing the conductive pins 15 on the two sides to be damaged, by limiting the position of the support blocks 32 between only two adjacent conductive pins 15 in the transverse direction. This embodiment is an improvement based on embodiment one, and the details are described in Figure 1 - Figure 8 The inner wall of the moving sleeve frame 24 is fixedly connected with the second guide rod 25, the outer wall of the second guide rod 25 is slidingly connected with the second sliding block 27, the outer wall of the second sliding block 27 is fixedly connected with the first abutting block 28, the outer wall of the first abutting block 28 is fixedly connected with the third return spring 29, and one end of the third return spring 29 is fixedly connected with the abutting pressing plate 30 for pressing the conductive pins 15.

[0039] The outer wall of the fixed plate 17 is fixedly connected with a first guide rod 21, the outer wall of the first guide rod 21 is slidably sleeved with a first sliding block 20, the outer wall of the pressing sleeve 19 is fixedly connected with the outer wall of the first sliding block 20, the outer wall of the first guide rod 21 is sleeved with a first return spring 22, one end of the first return spring 22 is fixedly connected with the outer wall of the first sliding block 20, and the other end of the first return spring 22 is fixedly connected with the outer wall of the fixed plate 17.

[0040] The outer wall of the second fixed bolt 16 is fixedly installed with a pressing piece 18.

[0041] The outer wall of the second guide rod 25 is sleeved with a second return spring 26, one end of the second return spring 26 is fixedly connected with the outer wall of the second sliding block 27, the other end of the second return spring 26 is fixedly connected with the outer wall of the support frame 23, the outer wall of the first abutting block 28 is provided with a first abutting inclined surface 31, the end portion of the pressing sleeve 19 is fixedly connected with a second abutting block 34, the outer wall of the second abutting block 34 is provided with a second abutting inclined surface 35, and the outer contours of the first abutting inclined surface 31 and the second abutting inclined surface 35 are matched with each other.

[0042] In the embodiment: the second fixed bolt 16 is continuously rotated, the pressing piece 18 on the outer wall moves synchronously with the second fixed bolt 16 when the second fixed bolt 16 moves in the through groove 33, the pressing piece 18 presses the end portion of the pressing sleeve 19 when the second fixed bolt 16 moves to a certain position, the pressing sleeve 19 moves synchronously with the pressing piece 18, the pressing sleeve 19 moves synchronously with the first sliding block 20, the first sliding block 20 is stretched and tightened during the movement process, the second abutting block 34 fixedly connected with the end portion of the pressing sleeve 19 moves synchronously with the pressing sleeve 19, the second abutting block 34 moves and abuts against the first abutting inclined surface 31 on the outer wall of the first abutting block 28 through the second abutting inclined surface 35 on the outer wall of the second abutting block 34, the first abutting block 28 is forced to move along the outer wall of the second guide rod 25 with the second sliding block 27, the second sliding block 27 is stretched and tightened during the movement process, the first abutting block 28 moves synchronously with the third return spring 29 and the abutting pressing plate 30, the abutting pressing plate 30 is tightly attached to the outermost conductive needle 15, and the abutting pressing plate 30 has a greater pressing force on the outer side of the conductive needle 15 as the moving sleeve frame 24 is closer to the needle insertion port 3, and the protection measures against deformation of the conductive needle 15 in all directions are further improved.

[0043] It should be noted that the plurality of supporting blocks 32 at this time are inserted in the closest position of the conductive pins 15 near the port of the pin socket 3, which can limit the lateral deformation of the plurality of conductive pins 15, so that the plurality of conductive pins 15 have no space for lateral deformation. Through the position restriction in the longitudinal and lateral directions, the longitudinal and lateral directions of the conductive pins 15 are not easy to deform after being stressed, and as the second fixing bolt 16 rotates, the supporting block 32 is inserted at the end of the adjacent two conductive pins 15, so that the space between the adjacent two conductive pins 15 will not be compressed and deformed due to external force.

[0044] It should be noted that in this document, the terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A measuring switch for a power distribution cabinet, comprising a measuring switch body (1), a carrier module (13), and conductive pins (15), characterized in that: The outer wall of the carrier module (13) is provided with a through groove (33), and a fixing plate (17) is fixedly connected to the inner wall of the through groove (33). A second fixing bolt (16) is threadedly connected to the inner wall of the fixing plate (17). A support frame (23) is rotatably connected to one end of the second fixing bolt (16). A movable sleeve (24) is fixedly connected to the outer wall of the support frame (23). A second guide rod (25) is fixedly connected to the inner wall of the movable sleeve (24). A second slider (27) is slidably connected to the outer wall of the second guide rod (25). A pressing sleeve (19) is slidably sleeved on the outer wall of the second fixing bolt (16). A first abutting block (28) is fixedly connected to the outer wall of the second slider (27). A third return spring (29) is fixedly connected to the outer wall of the first abutting block (28). A pressing plate (30) for pressing the conductive pin (15) is fixedly connected to one end of the third return spring (29). The outer wall of the measuring switch body (1) is fixedly installed with a module mounting base (2). The module mounting base (2) has multiple pin sockets (3) and two storage slots (4). The inner contour of the pin socket (3) matches the outer contour of the conductive pin (15). The carrier module (13) is slidably mounted on the inner wall of the module mounting base (2), the conductive pins (15) are fixedly mounted on the carrier module (13), and multiple conductive pins (15) are provided. The outer wall of the carrier module (13) is hingedly mounted with a hinge handle (14). The outer wall of the movable sleeve (24) is fixedly connected to multiple support blocks (32), and the multiple support blocks (32) are staggered between multiple conductive pins (15); The outer wall of the second guide rod (25) is fitted with a second return spring (26). One end of the second return spring (26) is fixedly connected to the outer wall of the second slider (27), and the other end of the second return spring (26) is fixedly connected to the outer wall of the support frame (23). The outer wall of the first abutting block (28) is provided with a first abutting slope (31). The end of the pressing sleeve (19) is fixedly connected with a second abutting block (34). The outer wall of the second abutting block (34) is provided with a second abutting slope (35). The outer contours of the first abutting slope (31) and the second abutting slope (35) match each other.

2. A measuring switch for a distribution cabinet according to claim 1, characterized in that: The outer wall of the fixed plate (17) is fixedly connected to a first guide rod (21), and the outer wall of the first guide rod (21) is slidably sleeved with a first slider (20). The outer wall of the pressing sleeve (19) is fixedly connected to the outer wall of the first slider (20). The outer wall of the first guide rod (21) is sleeved with a first reset spring (22). One end of the first reset spring (22) is fixedly connected to the outer wall of the first slider (20), and the other end of the first reset spring (22) is fixedly connected to the outer wall of the fixed plate (17).

3. A measuring switch for a distribution cabinet according to claim 1, characterized in that: A pressing plate (18) is fixedly installed on the outer wall of the second fixing bolt (16).

4. A measuring switch for a distribution cabinet according to claim 1, characterized in that: The outer wall of the measuring switch body (1) is provided with a plurality of first grooves (8), and the inner wall of the first groove (8) is threaded with a first fixing bolt (9).

5. A measuring switch for a distribution cabinet according to claim 4, characterized in that: The outer wall of the measuring switch body (1) is provided with multiple wiring holes (10), and the inner wall of the wiring holes (10) is provided with multiple second grooves (12). One end of the first fixing bolt (9) is rotatably mounted with a wiring pressure frame (11), and the outer contour of the wiring pressure frame (11) matches the inner contour of the second groove (12).

6. A measuring switch for a distribution cabinet according to claim 1, characterized in that: A control panel (7) is fixedly installed on the outer wall of the measuring switch body (1), and a fixed frame (5) is fixedly connected to the outer wall of the measuring switch body (1). The outer wall of the fixed frame (5) has mounting holes (6).

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