CN221177089U - Inside partition panel pressure release structure of switch board - Google Patents

Abstract

The application relates to a pressure relief structure of an internal partition panel of a power distribution cabinet, and relates to the technical field of power distribution cabinets, comprising a power distribution cabinet body, wherein a pressure relief opening is formed in the side wall of the power distribution cabinet body; the power distribution cabinet is internally provided with a mounting annular plate, and the outer side wall of the mounting annular plate is connected with the inner side wall of the power distribution cabinet body; a sealing plate is arranged in the mounting ring plate and is arranged at intervals with the inner wall of the mounting ring plate or is connected with the mounting ring plate in a sliding way along the vertical direction; the two opposite sides of the sealing plate are respectively provided with a supporting wedge block, one side of the supporting wedge block facing the sealing plate is an inclined abutting surface, the inclined abutting surface is obliquely downwards arranged along the direction close to the sealing plate, and the inclined abutting surface is mutually abutted with the side wall of the sealing plate; the supporting wedge block is arranged on the upper side of the installation ring plate and is in sliding connection with the installation ring plate. According to the application, the sealing plate is arranged, when the power distribution cabinet body is in a normal use state, the sealing plate seals the pressure relief opening, so that the influence of impurities such as dust on power equipment is reduced; when explosion is generated, the sealing plate can fall, and pressure relief is realized.

Description

Inside partition panel pressure release structure of switch board

Technical Field

The application relates to the technical field of power distribution cabinets, in particular to a pressure relief structure of an internal partition panel of a power distribution cabinet.

Background

The power distribution cabinet is a generic name of a motor control center, the power distribution cabinet is used in the occasions with more dispersed loads and fewer loops, the motor control center is used in the occasions with more concentrated loads and more loops, the motor control center distributes electric energy of a certain circuit of the upper-level power distribution equipment to nearby loads, and the upper-level power distribution equipment can provide protection, monitoring and control for the loads.

At present, an explosion-proof pressure relief structure is arranged on a power distribution cabinet, the pressure relief structure is provided with a pressure relief opening, and the pressure relief opening is formed in the power distribution cabinet, so that high-pressure air can be discharged out of the power distribution cabinet when the internal pressure of the power distribution cabinet is increased due to explosion and other reasons, and the safety of the power distribution cabinet is further guaranteed.

Aiming at the related technology, the pressure relief opening has a pressure relief protection function on equipment in the power distribution cabinet, but in the using process of the power distribution cabinet, sundries such as dust or insects easily enter the power distribution cabinet from the pressure relief opening, and then the normal operation of the power equipment in the power distribution cabinet is easily influenced.

Disclosure of utility model

The application provides a pressure relief structure of an internal partition panel of a power distribution cabinet, which aims to realize the pressure relief function in the power distribution cabinet and reduce the influence of the outside on internal equipment of the power distribution cabinet.

The application provides a pressure relief structure of an internal partition panel of a power distribution cabinet, which adopts the following technical scheme:

The utility model provides an inside partition panel pressure release structure of switch board, includes the switch board body, the pressure release mouth has been seted up to switch board body lateral wall; the power distribution cabinet is characterized in that a mounting annular plate is arranged in the power distribution cabinet body, and the outer side wall of the mounting annular plate is connected with the inner side wall of the power distribution cabinet body; a sealing plate is arranged in the mounting ring plate and is arranged at intervals with the inner wall of the mounting ring plate or is connected with the inner wall of the mounting ring plate in a sliding manner along the vertical direction; the two opposite sides of the sealing plate are respectively provided with a supporting wedge block, one side of the supporting wedge block, which faces the sealing plate, is an inclined abutting surface, the inclined abutting surface is obliquely downwards arranged along the direction close to the sealing plate, and the inclined abutting surface is mutually abutted with the side wall of the sealing plate; the supporting wedge blocks are arranged on the upper side of the installation ring plate and are in sliding connection with the installation ring plate.

Through adopting above-mentioned technical scheme, the pressure release mouth of seting up on the switch board body for the inside and outside space of switch board body can communicate each other, when the explosion takes place for this internal equipment of switch board, the pressure release mouth can realize the pressure release function.

The sealing plate and the installation ring plate are matched, the sealing plate can seal the installation ring plate, the outer side of the installation ring plate is connected with the inner wall of the power distribution cabinet body, so that the sealing plate and the installation ring plate can divide the cup body of the power distribution cabinet into two spaces, and one space is communicated with the pressure relief opening to realize pressure relief; the other space is closed for mounting the electrical equipment.

The setting of supporting the voussoir can support the closure plate, because the support voussoir can slide on the installation annular plate to when the closure plate receives the air current impact that the explosion produced, the closure plate can contradict the direction motion of supporting the voussoir towards keeping away from the closure plate, until the closure plate loses the support to supporting the voussoir, consequently, the closure plate can drop, communicates the space of closure plate both sides, realizes the space of installation power equipment and the intercommunication of pressure release mouth, realizes the pressure release function.

Therefore, when the power equipment in the power distribution cabinet body is in a normal use state, the pressure relief opening is isolated from the power equipment by the sealing plate, so that the influence of impurities such as dust in the external environment on the power equipment is reduced. When explosion occurs, the sealing plate can fall in time, and pressure relief is realized.

Optionally, one side that the support voussoir is kept away from the closure board is provided with reset spring, reset spring axial is followed the correspondence support voussoir slip direction sets up, reset spring one end with the correspondence support voussoir interconnect, the reset spring other end orientation the inner wall setting that the switch board body corresponds.

Through adopting above-mentioned technical scheme, reset spring's setting can be to supporting the voussoir pretightning force on the one hand, ensures to just can conflict supporting the voussoir to supporting the voussoir and release the support to the closure plate after the pressure that the closure plate received reaches a definite value, realizes falling. On the other hand, after the closing plate falls down, the return spring can abut against the supporting wedge block to automatically return.

Optionally, a plurality of sliding rollers are arranged at the lower side of the supporting wedge block, and the sliding rollers are arranged at intervals along the sliding direction of the supporting wedge block; the two ends of the sliding roller are rotationally connected with the supporting wedge blocks, and the outer side wall of the sliding roller is in sliding connection with the mounting ring plate.

Through adopting above-mentioned technical scheme, the slide roll setting is in the downside of supporting the voussoir, will support the friction between voussoir and the installation annular plate by sliding friction change into rolling friction, can reduce the installation annular plate to the frictional force of supporting the voussoir for the closing plate can be more easy with supporting the voussoir and contradicting to the support of contact to the closing plate, consequently, can increase the sensitivity of the triggering of closing plate whereabouts.

Optionally, the spacing ring plate that is provided with of installation ring plate upside interval, the support voussoir is located along vertical direction the installation ring plate with between the spacing ring plate, support the voussoir with spacing ring plate sliding connection.

Through adopting above-mentioned technical scheme, the spacing ring board sets up in the upside of supporting the voussoir, consequently spacing ring board cooperation installation ring board can carry out spacing and direction to supporting the voussoir.

Optionally, installation spout has been seted up to two relative inside walls of switch board body, the installation annular plate relative both sides with corresponding installation spout grafting cooperation just the installation annular plate with installation spout inner wall sliding connection.

Through adopting above-mentioned technical scheme, the seting up of this internal installation spout of switch board for in the installation spout can be inserted through gliding mode to the installation annular plate, consequently, the installation annular plate can realize dismantling with the switch board body and be connected.

Optionally, two relatively be provided with synchronous motion subassembly between the support voussoir, synchronous motion subassembly includes the connecting rod, the connecting rod middle part with switch board body inner wall rotates to be connected, the connecting rod both ends all are provided with the pull rod, the pull rod with support the voussoir one-to-one setting, the pull rod both ends respectively with the one end that the connecting rod corresponds and corresponding support the voussoir and rotate to be connected.

Through adopting above-mentioned technical scheme, synchronous motion subassembly's setting, the cooperation setting of connecting rod and pull rod, when a support voussoir is moved far away, support the voussoir and can pull continuous pull rod, and the pull rod passes through the drive of connecting rod and another pull rod, can realize two support voussoirs and be close to each other or the synchronous motion of keeping away from each other.

Optionally, first trigger plates are arranged on the upper sides of the two supporting wedges, the first trigger plates are arranged along the vertical direction, and the two first trigger plates are oppositely arranged along the interval direction of the two supporting wedges; the lower side of the first trigger plate is fixedly connected with the corresponding supporting wedge block.

Through adopting above-mentioned technical scheme, first trigger plate and the support voussoir fixed connection that corresponds, consequently, first trigger plate can with the support voussoir synchronous motion that corresponds, so when the air current that the explosion produced strikes first trigger plate, first trigger plate can drive support voussoir synchronous motion to make the closing plate can in time fall. The provision of the first trigger plate can thus improve the sensitivity of the closure plate to being triggered.

Optionally, the first trigger plate is kept away from another one side of first trigger plate is provided with the conflict spring, the conflict spring axial is followed two the interval direction setting of first trigger plate, conflict spring one end is connected with corresponding first trigger plate, the conflict spring other end orientation the inner wall setting that the switch board body corresponds.

Through adopting above-mentioned technical scheme, the setting of conflict spring in time contradicts and supports the trigger plate for the trigger plate can in time reset.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The sealing plate, the mounting ring plate and the supporting wedge block are matched, and when the power equipment in the power distribution cabinet body is in a normal use state, the sealing plate isolates the pressure relief opening from the power equipment, so that the influence of impurities such as dust in the external environment on the power equipment is reduced; when explosion occurs, the sealing plate can fall in time, and pressure relief is realized.

2. The synchronous motion assembly is arranged, so that synchronous motion of the two supporting wedges can be realized, and the supporting wedges are convenient to release the support of the closing plate.

3. The setting of supporting wedge block one side conflict spring can provide the pretightning force to supporting wedge block, ensures that just can conflict supporting wedge block to supporting wedge block release the support to the closing plate after the pressure that the closing plate received is greater than pretightning force, realizes that the closing plate falls for the pressure release of switch board body.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a pressure release structure of a partition panel inside a power distribution cabinet in the application.

Fig. 2 is a schematic diagram of an internal structure of a pressure relief structure of an internal partition panel of a power distribution cabinet in the present application.

Fig. 3 is a schematic diagram of the overall structure of the pressure relief structure in the present application.

Fig. 4 is a schematic view of the internal structure of the power distribution cabinet body in the present application.

Fig. 5 is a schematic view of a partial cross-sectional structure of a pressure relief structure of the present application.

Fig. 6 is a schematic diagram of the overall structure of the synchronous motion assembly according to the present application.

Fig. 7 is a schematic view of a partial cross-sectional structure of the connection between the first trigger plate and the second trigger plate in the present application.

In the figure, 1, a power distribution cabinet body; 11. a pressure relief port; 12. installing a chute; 2. installing a ring plate; 3. a closing plate; 4. a support wedge; 41. a return spring; 42. a slide roller; 43. tilting the abutting surface; 5. a limiting ring plate; 6. a support ring plate; 7. a synchronous motion assembly; 71. a connecting rod; 72. pulling a connecting rod; 8. a first trigger plate; 81. a contact spring; 82. a limiting plate; 83. a passive trigger wedge; 84. a passive trigger ramp; 85. a sliding long hole; 86. a connecting column; 9. a second trigger plate; 91. actively triggering the wedge block; 92. actively triggering the inclined plane.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 7.

The utility model provides an inside partition panel pressure release structure of switch board, refers to fig. 1, including switch board body 1, pressure release mouth 11 has been seted up in the run through of the relative both sides face of switch board body 1, and pressure release mouth 11 can communicate the inner space and the external environment of switch board body 1, can realize the pressure release function.

Referring to fig. 2 and 3, a mounting ring plate 2 is arranged in the power distribution cabinet body 1, a limiting ring plate 5 is arranged on the mounting ring plate 2 at intervals along the upper side in the vertical direction, and the mounting ring plate 2 and the limiting ring plate 5 have the same structure. A supporting ring plate 6 is arranged between the limiting ring plate 5 and the mounting ring plate 2, the two sides of the supporting ring plate 6 along the vertical direction are respectively connected with the limiting ring plate 5 and the mounting ring plate 2, and the supporting ring plate 6 is arranged on the outer side walls of the limiting ring plate 5 and the mounting ring plate 2.

Referring to fig. 3 and 4, two opposite inner side walls of the power distribution cabinet body 1 are provided with mounting sliding grooves 12, the mounting sliding grooves 12 are located on the upper side of the pressure relief opening 11 along the vertical direction, the mounting ring plate 2 is in plug-in fit with the mounting sliding grooves 12, the lower side wall of the mounting ring plate 2 is in sliding connection with the inner wall of the lower side of the mounting sliding grooves 12, and the upper side wall of the limiting ring plate 5 is in sliding connection with the inner wall of the upper side of the mounting sliding grooves 12. Thus, the installation chute 12 is arranged so that the installation ring plate 2 and the limit ring plate 5 are installed in the power distribution cabinet.

Referring to fig. 4 and 5, the inside of the installation ring plate 2 is provided with a closing plate 3, the closing plate 3 is disposed between the installation ring plate 2 and the limiting ring plate 5 along the vertical direction, and the side walls of the closing plate 3 and the corresponding side walls of the inner wall of the installation ring plate 2 are disposed at intervals along the horizontal direction or slidingly connected along the vertical direction. The cooperation setting of closure plate 3 and installation annular plate 2 and spacing annular plate 5 can cut off the space of installing power equipment in pressure release mouth 11 and the switch board body 1, reduces the possibility that dust or little worm etc. get into in the power equipment.

Referring to fig. 3 and 5, the mounting ring plate 2 is provided with supporting wedges 4 on two opposite sides in the horizontal direction, the supporting wedges 4 are arranged between the mounting ring plate 2 and the limiting ring plate 5 in the vertical direction, the lower sides of the supporting wedges 4 are slidably connected with the mounting ring plate 2, and the upper sides of the supporting wedges 4 are slidably connected with the limiting ring plate 5.

The side of the supporting wedge block 4 facing the closing plate 3 is provided with an inclined abutting surface 43, the inclined abutting surface 43 is obliquely downwards arranged from top to bottom along the direction approaching the closing plate 3, and the inclined abutting surface 43 abuts against the corresponding side wall of the closing plate 3. Therefore, when the explosion occurs on the upper side of the sealing plate 3, the sealing plate 3 moves downwards when the air flow generated by the explosion impacts the sealing plate 3, the sealing plate 3 moves downwards to abut against the inclined abutting surfaces 43 of the supporting wedges 4 on the two sides, so that the supporting wedges 4 move between the limiting ring plate 5 and the mounting ring plate 2 in a direction away from the sealing plate 3, and finally the supporting wedges 4 and the sealing plate 3 can be separated from each other, at the moment, the sealing plate 3 falls down to the lower side of the mounting ring plate 2, and the mounting space of the power equipment on the upper side of the sealing plate 3 is mutually communicated with the pressure relief opening 11, so that the pressure relief function can be realized.

Referring to fig. 5, a return spring 41 is disposed on a side of the support wedge 4 away from the closing plate 3, the return spring 41 is disposed axially along a sliding direction of the support wedge 4, and both ends of the return spring 41 are respectively connected with a side wall of the support wedge 4 and a side wall corresponding to the support ring plate 6. Therefore, after the closing plate 3 is detached, the return spring 41 abuts against the supporting wedge 4 and automatically returns the supporting wedge 4.

Referring to fig. 5, a plurality of sliding rollers 42 are arranged at the lower side of the supporting wedge 4, the axial direction of the sliding rollers 42 is arranged along the horizontal direction and is perpendicular to the movement direction of the supporting wedge 4, the sliding rollers 42 are sequentially arranged at intervals along the movement direction of the supporting wedge 4, the two axial ends of the sliding rollers 42 are rotationally connected with the supporting wedge 4, and the outer side wall of the sliding rollers 42 is in sliding connection with the upper side surface of the mounting ring plate 2. Thus, the slide roller 42 converts sliding friction into rolling friction, the speed at which the closing plate 3 falls down, and the sensitivity of the reaction.

Referring to fig. 5 and 6, a synchronous motion assembly 7 is arranged between two supporting wedges 4, the synchronous motion assembly 7 comprises a connecting rod 71, the middle of the connecting rod 71 is rotatably connected with the corresponding inner wall of the supporting ring plate 6, pull rods 72 are respectively arranged at two ends of the connecting rod 71, the connecting rods 71 are arranged in one-to-one correspondence with the supporting wedges 4, and two ends of the pull rods 72 are rotatably connected with one end of the connecting rod 71 and the corresponding supporting wedges 4 respectively. Therefore, when one supporting wedge block 4 moves far, the supporting wedge block 4 pulls the connected pull rod 72, and the pull rod 72 is driven by the connecting rod 71 and the other pull rod 72, so that the two supporting wedge blocks 4 can move close to or away from each other synchronously.

Referring to fig. 3 and 5, two first trigger plates 8 are provided on the upper side of the retainer ring plate 5, the two first abutments are spaced apart from each other in the direction of the distal movement of the support wedge 4, and the first trigger plates 8 are vertically provided. A plurality of sliding long holes 85 are formed in the upper side of the limiting ring plate 5, the length direction of the sliding long holes 85 is along the sliding direction of the supporting wedge block 4, and the sliding long holes 85 are sequentially arranged at intervals along the width direction of the sliding long holes. The first trigger plate 8 downside is provided with a plurality of spliced poles 86, and spliced pole 86 both ends respectively with first trigger plate 8 and corresponding support voussoir 4 interconnect, and spliced pole 86 and the setting of slip slot hole 85 one-to-one, spliced pole 86 and slip slot hole 85 grafting cooperation and spliced pole 86 and the inner wall sliding connection of slip slot hole 85. Therefore, the first trigger plate 8 can move synchronously with the corresponding supporting wedge block 4, so that when the air flow generated by explosion impacts the first trigger plate 8, the first trigger plate 8 can drive the supporting wedge block 4 to move synchronously, so that the closing plate 3 can fall in time.

Referring to fig. 3 and 5, two limiting plates 82 are provided on the upper side of the limiting ring plate 5 in the vertical direction, and the lower ends of the limiting plates 82 are fixedly connected with the limiting ring plate 5. The two limiting plates 82 are spaced apart from each other in the direction of the distal movement of the support wedge 4.

In the direction of movement of the support wedge 4, two first trigger plates 8 are located between two limit plates 82. An abutting spring 81 is arranged between the first trigger plate 8 and the corresponding limiting plate 82, the abutting spring 81 is axially arranged along the movement direction of the supporting wedge block 4, and two ends of the abutting spring 81 are respectively connected with the first trigger plate 8 and the corresponding limiting plate 82. The interference spring 81 can reset the first trigger plate 8 timely, and stress of the connecting column 86 in the limiting process of driving the corresponding first trigger plate 8 by the supporting wedge 4 is reduced.

Referring to fig. 3 and 7, a second trigger plate 9 is disposed between two first trigger plates 8, the second trigger plate 9 is disposed along a vertical direction, the second trigger plates 9 are connected with the corresponding first trigger plates 8 along two sides of a horizontal direction, the lower sides of the first trigger plates 8 are slidably connected with the stop collar plate 5, and the sliding direction is disposed along the horizontal direction and is perpendicular to the movement direction of the supporting wedge block 4.

Referring to fig. 7, the second trigger plate 9 is provided with active trigger wedges 91, two active trigger wedges 91 are provided, and two active trigger wedges 91 are provided on both sides of the second trigger plate 9 in the horizontal direction. One side of the active trigger wedge 91, which is away from the corresponding first trigger plate 8, is connected with the second trigger plate 9, one side of the active trigger wedge 91, which is towards the corresponding first trigger plate 8, is provided with an active trigger inclined surface 92, and the active trigger inclined surface 92 is obliquely arranged along the direction from the corresponding first trigger plate 8 to the second trigger plate 9, which is away from the second trigger plate 9.

Referring to fig. 7, the first trigger plate 8 is provided with a passive trigger wedge 83, and the passive trigger wedge 83 is disposed on a side of the corresponding first trigger plate 8 near the second trigger plate 9. The side of the passive trigger wedge 83, which is away from the second trigger plate 9, is connected with the first trigger plate 8, and the side of the passive trigger wedge 83, which is close to the second trigger plate 9, is provided with a passive trigger inclined surface 84, the passive trigger inclined surface 84 is matched with an active trigger inclined surface 92, and the passive trigger inclined surface 84 is mutually abutted against the active trigger inclined surface 92.

Referring to fig. 7, therefore, when the second trigger plate 9 is impacted by explosion, the second trigger plate 9 moves towards the outside of the power distribution cabinet body 1, and the active trigger inclined surface 92 abuts against the passive trigger inclined surface 84, so that the two first trigger plates 8 move away from each other, and further the two supporting wedges 4 can be driven to move away from each other, so that the closing plate 3 can fall down, and pressure relief of the power distribution cabinet body 1 is realized.

The implementation principle of the embodiment of the application is as follows: after the power equipment is installed to the power distribution cabinet body 1, the first trigger plate 8, the second trigger plate 9 and the sealing plate 3 are installed, then the installation annular plate 2, the limiting annular plate 5 and the supporting annular plate 6 are inserted into the installation sliding groove 12, and the second trigger plate 9 is arranged facing the power equipment and is easy to explode.

Under normal conditions, the closing plate 3 isolates the pressure relief vent 11 from the electrical equipment.

When the explosion is generated, the air flow generated by the explosion can directly impact the sealing plate 3 or the first triggering plate 8 or the second triggering plate 9, at the moment, the two supporting wedges 4 release the support on the sealing plate 3 through the synchronous motion assembly 7, the sealing plate 3 falls down, and the space on the upper side of the sealing plate is communicated with the pressure relief opening 11 to realize pressure relief.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The pressure relief structure of the partition panel inside the power distribution cabinet is characterized by comprising a power distribution cabinet body (1), wherein a pressure relief opening (11) is formed in the side wall of the power distribution cabinet body (1);

A mounting annular plate (2) is arranged in the power distribution cabinet body (1), and the outer side wall of the mounting annular plate (2) is connected with the inner side wall of the power distribution cabinet body (1);

A sealing plate (3) is arranged in the mounting ring plate (2), and the sealing plate (3) is arranged at intervals with the inner wall of the mounting ring plate (2) or is connected with the inner wall in a sliding manner along the vertical direction;

The sealing plate (3) is characterized in that supporting wedges (4) are arranged on two opposite sides of the sealing plate (3), an inclined abutting surface (43) is arranged on one side of the supporting wedges (4) facing the sealing plate (3), the inclined abutting surface (43) is obliquely downwards arranged along the direction close to the sealing plate (3), and the inclined abutting surface (43) abuts against the side wall of the sealing plate (3);

the supporting wedge block (4) is arranged on the upper side of the installation annular plate (2) and is in sliding connection with the installation annular plate (2).

2. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein a return spring (41) is arranged on one side, away from the closing plate (3), of the supporting wedge block (4), the return spring (41) is axially arranged along the sliding direction of the corresponding supporting wedge block (4), one end of the return spring (41) is connected with the corresponding supporting wedge block (4) mutually, and the other end of the return spring (41) is arranged towards the corresponding inner wall of the power distribution cabinet body (1).

3. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein a plurality of sliding rollers (42) are arranged on the lower side of the supporting wedge block (4), and the sliding rollers (42) are arranged at intervals along the sliding direction of the supporting wedge block (4); the two ends of the sliding roller (42) are rotatably connected with the supporting wedge blocks (4), and the outer side wall of the sliding roller (42) is slidably connected with the mounting ring plate (2).

4. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein limiting ring plates (5) are arranged on the upper sides of the mounting ring plates (2) at intervals, the supporting wedge blocks (4) are located between the mounting ring plates (2) and the limiting ring plates (5) along the vertical direction, and the supporting wedge blocks (4) are in sliding connection with the limiting ring plates (5).

5. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein mounting sliding grooves (12) are formed in two opposite inner side walls of the power distribution cabinet body (1), two opposite sides of the mounting annular plate (2) are in plug-in fit with the corresponding mounting sliding grooves (12), and the mounting annular plate (2) is in sliding connection with the inner walls of the mounting sliding grooves (12).

6. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein a synchronous motion assembly (7) is arranged between two opposite supporting wedges (4), the synchronous motion assembly (7) comprises a connecting rod (71), the middle part of the connecting rod (71) is rotationally connected with the inner wall of the power distribution cabinet body (1), pull rods (72) are respectively arranged at two ends of the connecting rod (71), the pull rods (72) are in one-to-one correspondence with the supporting wedges (4), and two ends of the pull rods (72) are respectively rotationally connected with one ends corresponding to the connecting rod (71) and the corresponding supporting wedges (4).

7. The pressure release structure of the partition panel inside the power distribution cabinet according to claim 1, wherein the upper sides of the two supporting wedges (4) are respectively provided with a first trigger plate (8), the first trigger plates (8) are arranged along the vertical direction, and the two first trigger plates (8) are oppositely arranged along the interval direction of the two supporting wedges (4); the lower side of the first trigger plate (8) is fixedly connected with the corresponding supporting wedge block (4).

8. The pressure release structure of an internal partition panel of a power distribution cabinet according to claim 7, wherein one side of the first trigger plate (8) far away from the other first trigger plate (8) is provided with a collision spring (81), the collision spring (81) is axially arranged along the interval direction of the two first trigger plates (8), one end of the collision spring (81) is connected with the corresponding first trigger plate (8), and the other end of the collision spring (81) is arranged towards the corresponding inner wall of the power distribution cabinet body (1).