Power distribution cabinet capable of emergency power off

Abstract

The utility model discloses a power distribution cabinet capable of emergency power-off, and the cabinet comprises a main body assembly which comprises a cabinet body; the power-off assembly comprises a protection box, a first through hole, a limiting groove, a sealing plate, a second through hole, a T-shaped insulating plate, a square spring, an insulating box, an L-shaped connecting plate, a first contact, a second contact, a spring column, a first fixing block and a first telescopic clamping block. The protection box is fixed on the inner side edge of the cabinet body, the first through hole is formed in the side edge of the protection box, the limiting grooves are formed in the upper side and the lower side of the interior of the protection box, the sealing plate is fixed on the side edge of the protection box, the second through hole is formed in the middle of the sealing plate, the T-shaped insulating plate is inserted into the second through hole, and the square spring is connected to the T-shaped insulating plate in a sleeving mode. The utility model relates to an emergency stop switch, and aims to solve the problems that a series of safety problems are caused and machinery is damaged due to the fact that a power supply cannot be cut off in an emergency because the existing emergency stop switch loses efficacy due to mechanical wear, environmental factors, misoperation or improper maintenance after long-term use.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of emergency power off. Background Art

[0002] A power distribution cabinet is a type of electrical equipment used to receive, distribute and control electrical energy. A power distribution cabinet that can be powered off in an emergency is a special type of power distribution cabinet that has the function of quickly cutting off the power supply to deal with emergencies. Existing power distribution cabinets are equipped with graded switches on the cabinet door to individually control the corresponding circuits inside the cabinet. In addition, an emergency stop switch is installed to turn off all power supplies. The switches on the cabinet door use a low-voltage 24V to control a high-voltage 380V main circuit, which includes leakage protection, overcurrent protection and other functions. It is safe, convenient and reliable to use, effectively eliminating the risk of electric shock and ensuring personal safety.

[0003] After long-term use, existing emergency stop switches may fail due to mechanical wear, environmental factors, operational errors or improper maintenance, resulting in the inability to cut off power in an emergency, causing a series of safety problems and causing damage to the machinery. Utility Model Content

[0004] The purpose of the utility model is to provide a distribution cabinet capable of emergency power off, so as to solve the problem raised in the above background technology that the existing emergency stop switch fails after long-term use due to mechanical wear, environmental factors, operating errors or improper maintenance, resulting in the inability to cut off the power supply in an emergency, which will cause a series of safety problems and also cause mechanical damage.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a power distribution cabinet capable of emergency power off, comprising:

[0007] A main body component, the main body component comprising a cabinet;

[0008] A power-off assembly, the power-off assembly comprising a protective box, a first through hole, a limiting groove, a sealing plate, a second through hole, a T-shaped insulating plate, a square spring, an insulating box, an L-shaped connecting plate, a first contact, a second contact, a spring column, a first fixing block and a first telescopic card block;

[0009] The protective box is fixed on the inner side of the cabinet, the first through hole is opened on the side of the protective box, the limiting grooves are opened on the upper and lower sides of the protective box, the sealing plate is fixed on the side of the protective box, the second through hole is opened in the middle of the sealing plate, the T-shaped insulating plate is inserted into the second through hole, the square spring is sleeved on the T-shaped insulating plate, and the two ends of the square spring are fixed on the sealing plate and the T-shaped insulating plate, the insulating box is movably connected in the protective box, the first contact and the second contact are respectively fixed on the two insulating boxes, the L-shaped connecting plate is fixed on the side of the insulating box, one end of the spring column is fixed on the inner side of the protective box, and the other end is fixed on the L-shaped connecting plate, the first fixed block is fixed on the side of the sealing plate, and the first telescopic card block is movably connected to the side of the first fixed block.

[0010] Furthermore, the insulating box is movably connected in the limiting groove, the T-shaped insulating plate is movably connected in the protective box and the side of the L-shaped connecting plate, and the end of the T-shaped insulating plate away from the sealing plate is movably connected to the side of the first telescopic block.

[0011] Furthermore, the main body assembly also includes a cabinet door, a mounting frame and a threading hole;

[0012] The cabinet door is hinged on the side of the cabinet body, the mounting frame is fixed in the cabinet body, and the threading hole is arranged at the lower end of the inner side of the cabinet body.

[0013] Furthermore, the main assembly also includes a mounting plate, an emergency stop switch, a step switch and cables;

[0014] The mounting plate is attached to the inner side of the cabinet door, and a leakage protector and an overcurrent protector are fixed on the mounting plate. The emergency stop switch and the step switch are fixed on the mounting plate and embedded in the cabinet door. One end of the cable is connected to the leakage protector, and the other end is connected to the insulation box and connected to the second contact.

[0015] The insulating box of the first contact is connected with the same cable, and the other end is connected to the electrical component in the cabinet.

[0016] Further, it also includes a connection component;

[0017] The connecting assembly includes a second fixed block, a movable groove and a third through hole;

[0018] The second fixing block is fixed to the inner side of the cabinet door and is located at the four corners of the mounting plate. The movable groove is arranged in the middle of the second fixing block, and the third through holes are arranged on both sides of the movable groove.

[0019] Furthermore, the connecting assembly also includes a sliding block and a second telescopic block;

[0020] The slider is movably connected in the movable groove, and the second telescopic block is movably connected to the side of the slider and the third through hole.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] 1. The utility model, through the power-off component provided, the two insulating boxes connected with the cables are placed into the protective box from both sides of the first through hole, and the upper and lower ends of the insulating box are located in the limit grooves, the L-shaped connecting plate is connected to the spring column, and the sealing plate is closed. When it is necessary to cut off the power supply urgently and the emergency stop switch fails, the cabinet door is opened, the T-shaped insulating plate is pressed, and the T-shaped insulating plate is clamped on the side of the first telescopic clamping block. As the T-shaped insulating plate moves along the second through hole into the protective box, the two L-shaped connecting plates are driven to move back to back, and then the two insulating boxes are driven to move back to back, the first contact and the second contact are disengaged, and the current channel is disconnected. After the maintenance is completed, the first telescopic clamping block is pressed, and under the action of the square spring, the T-shaped insulating plate returns to its original position, the spring column drives the insulating box to move relative to each other, the first contact and the second contact are in contact, and the current channel is connected. This arrangement can disconnect the power supply in an emergency when the emergency stop switch fails, so as to avoid safety accidents and equipment losses.

[0023] 2. The utility model, through the connection assembly provided, the emergency stop switch and the grade switch on the mounting plate are respectively embedded and installed on the cabinet door, the mounting plate is fitted to the cabinet door, one hand holds the mounting plate, and the other hand pushes the slider in the movable groove so that the slider is stuck on the outside of the mounting plate, and the second telescopic card block is engaged in the third through hole. This arrangement is convenient for quick disassembly and assembly of the mounting plate, which is beneficial to the later maintenance of the emergency stop switch and the grade switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0027] Figure 3 This is a schematic diagram of the protection box structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the interior of the protective box of the utility model;

[0029] Figure 5 This is a schematic diagram of the insulation box structure of the utility model;

[0030] Figure 6 It is a schematic diagram of the structure of the connection component of the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 10. Cabinet body; 11. Cabinet door; 12. Mounting frame; 13. Mounting plate; 14. Threading hole; 15. Emergency stop switch; 16. Step switch; 17. Cable; 20. Protective box; 21. First through hole; 22. Limiting groove; 23. Sealing plate; 24. Second through hole; 240. T-shaped insulating plate; 241. Square spring; 25. Insulating box; 26. L-shaped connecting plate; 27. First contact; 270. Second contact; 28. Spring column; 29. ​​First fixed block; 290. First telescopic card block; 30. Second fixed block; 31. Movable groove; 32. Third through hole; 33. Slider; 34. Second telescopic card block. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0035] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] See also Figure 1-5 As shown, this embodiment is a power distribution cabinet capable of emergency power off, comprising:

[0037] The main body component includes a cabinet 10;

[0038] The power-off assembly includes a protective box 20, a first through hole 21, a limiting groove 22, a sealing plate 23, a second through hole 24, a T-shaped insulating plate 240, a square spring 241, an insulating box 25, an L-shaped connecting plate 26, a first contact 27, a second contact 270, a spring column 28, a first fixing block 29 and a first telescopic block 290;

[0039] The protection box 20 is fixed to the inner side of the cabinet 10, the first through hole 21 is provided on the side of the protection box 20, the limiting groove 22 is provided on the upper and lower sides of the protection box 20, the sealing plate 23 is fixed to the side of the protection box 20, the second through hole 24 is provided in the middle of the sealing plate 23, the T-shaped insulating plate 240 is inserted into the second through hole 24, the square spring 241 is sleeved on the T-shaped insulating plate 240, and the two ends of the square spring 241 are fixed on the sealing plate 23 and the T-shaped insulating plate 240, the insulating box 25 is movably connected in the protection box 20, the first contact 27 and the second contact 270 are respectively fixed on the two insulating boxes 25, the L-shaped connecting plate 26 is fixed on the side of the insulating box 25, one end of the spring column 28 is fixed to the inner side of the protection box 20, and the other end is fixed to the L-shaped connecting plate 26, the first fixed block 29 is fixed to the side of the sealing plate 23, and the first telescopic block 290 is movably connected to the side of the first fixed block 29;

[0040] The protection box 20 plays a supporting role, the first through hole 21 is convenient for installing the insulating box 25, the limiting groove 22 plays a limiting role, the sealing plate 23 plays a sealing and supporting role, the second through hole 24 is convenient for the T-shaped insulating plate 240 to move, the square spring 241 has a reset function, the insulating box 25 plays a connecting role, the L-shaped connecting plate 26 plays a connecting role, the first contact 27 and the second contact 270 are metal copper, the spring column 28 has an extrusion function, the first fixed block 29 plays a supporting role, and the first telescopic block 290 plays a limiting role;

[0041] The insulating box 25 is movably connected in the limiting groove 22, the T-shaped insulating plate 240 is movably connected in the protective box 20 and the side of the L-shaped connecting plate 26, and the end of the T-shaped insulating plate 240 away from the sealing plate 23 is movably connected to the side of the first telescopic block 290;

[0042] The main assembly also includes a cabinet door 11, a mounting frame 12 and a threading hole 14;

[0043] The cabinet door 11 is hinged on the side of the cabinet body 10, the mounting frame 12 is fixed in the cabinet body 10, and the threading hole 14 is opened at the lower end of the inner side of the cabinet body 10;

[0044] The cabinet door 11 serves as a seal, the mounting frame 12 is used to fix the electrical components, and the wire threading hole 14 is used for wiring;

[0045] The main assembly also includes a mounting plate 13, an emergency stop switch 15, a step switch 16 and a cable 17;

[0046] The mounting plate 13 is attached to the inner side of the cabinet door 11, and a leakage protector and an overcurrent protector are fixed on the mounting plate 13. The emergency stop switch 15 and the step switch 16 are fixed on the mounting plate 13 and embedded in the cabinet door 11. One end of the cable 17 is connected to the leakage protector, and the other end is connected to the insulation box 25 and connected to the second contact 270.

[0047] The mounting plate 13 plays a fixing role, the emergency stop switch 15 can cut off all power supplies, the grading switch 16 controls each power supply separately, and the cable 17 connects the leakage protector and the second contact 270;

[0048] The insulating box 25 of the first contact 27 is connected with the same cable 17 , and the other end is connected to the electrical component in the cabinet 10 .

[0049] Working principle:

[0050] Put the two insulating boxes 25 connected with the cables 17 into the protective box 20 from both sides of the first through hole 21, and the upper and lower ends of the insulating box 25 are located in the limit groove 22, the L-shaped connecting plate 26 is connected to the spring column 28, and the sealing plate 23 is closed. When it is necessary to cut off the power supply urgently and the emergency stop switch 15 fails, open the cabinet door 11, press the T-shaped insulating plate 240, and the T-shaped insulating plate 240 is stuck on the side of the first telescopic block 290. As the T-shaped insulating plate 240 moves along the second through hole 24 into the protective box 20, the two L-shaped connecting plates 26 are driven to move in opposite directions, and then the two insulating boxes 25 are driven to move in opposite directions, the first contact 27 and the second contact 270 are disengaged, and the current channel is disconnected;

[0051] After the inspection is completed, the first telescopic block 290 is pressed down, and under the action of the square spring 241, the T-shaped insulating plate 240 returns to its original position, the spring column 28 drives the insulating box 25 to move relative to each other, the first contact 27 and the second contact 270 contact, and the current channel is connected.

[0052] This step can disconnect the power supply urgently when the emergency stop switch 15 fails, so as to avoid safety accidents and equipment losses.

[0053] See also Figure 6 , a power distribution cabinet capable of emergency power off, further comprising:

[0054] A connecting assembly, the connecting assembly includes a second fixing block 30, a movable groove 31 and a third through hole 32;

[0055] The second fixing block 30 is fixed to the inner side of the cabinet door 11 and is located at the four corners of the mounting plate 13. The movable groove 31 is opened in the middle of the second fixing block 30. The third through holes 32 are opened on both sides of the movable groove 31.

[0056] The second fixed block 30 plays a supporting role, the movable groove 31 plays a limiting role, and the third through hole 32 plays a limiting role;

[0057] The connecting assembly also includes a slider 33 and a second telescopic block 34;

[0058] The slider 33 is movably connected in the movable groove 31, and the second telescopic block 34 is movably connected to the side of the slider 33 and the third through hole 32;

[0059] The sliding block 33 and the second telescopic block 34 play a role of limiting.

[0060] Working principle:

[0061] The emergency stop switch 15 and the step switch 16 on the mounting plate 13 are respectively embedded and installed on the cabinet door 11, and the mounting plate 13 is close to the cabinet door 11. Hold the mounting plate 13 with one hand, and push the slider 33 in the movable groove 31 with the other hand, so that the slider 33 is stuck on the outside of the mounting plate 13, and the second telescopic block 34 is engaged in the third through hole 32.

[0062] This step facilitates the rapid disassembly and assembly of the mounting plate 13 , and is beneficial for the later maintenance of the emergency stop switch 15 and the step switch 16 .

[0063] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A power distribution cabinet capable of emergency power off, characterized in that: include: A main body component, the main body component comprising a cabinet (10); A power-off assembly, the power-off assembly comprising a protection box (20), a first through hole (21), a limiting groove (22), a sealing plate (23), a second through hole (24), a T-shaped insulating plate (240), a square spring (241), an insulating box (25), an L-shaped connecting plate (26), a first contact (27), a second contact (270), a spring column (28), a first fixing block (29) and a first telescopic card block (290); The protection box (20) is fixed to the inner side of the cabinet (10), the first through hole (21) is provided on the side of the protection box (20), the limiting grooves (22) are provided on the upper and lower sides of the protection box (20), the sealing plate (23) is fixed to the side of the protection box (20), the second through hole (24) is provided in the middle of the sealing plate (23), the T-shaped insulating plate (240) is inserted into the second through hole (24), the square spring (241) is sleeved on the T-shaped insulating plate (240), and the two ends of the square spring (241) are fixed to the sealing plate (23) and the T The insulating box (25) is movably connected to the protective box (20), the first contact (27) and the second contact (270) are respectively fixed to the two insulating boxes (25), the L-shaped connecting plate (26) is fixed to the side of the insulating box (25), one end of the spring column (28) is fixed to the inner side of the protective box (20), and the other end is fixed to the L-shaped connecting plate (26), the first fixing block (29) is fixed to the side of the sealing plate (23), and the first telescopic clamping block (290) is movably connected to the side of the first fixing block (29).

2. A power distribution cabinet capable of emergency power off according to claim 1, characterized in that: The insulating box (25) is movably connected in the limiting groove (22), the T-shaped insulating plate (240) is movably connected in the protection box (20) and on the side of the L-shaped connecting plate (26), and one end of the T-shaped insulating plate (240) away from the sealing plate (23) is movably connected to the side of the first telescopic block (290).

3. A power distribution cabinet capable of emergency power off according to claim 1, characterized in that: The main body assembly also includes a cabinet door (11), a mounting frame (12) and a threading hole (14); The cabinet door (11) is hinged on the side of the cabinet body (10), the mounting frame (12) is fixed in the cabinet body (10), and the threading hole (14) is provided at the lower end of the inner side of the cabinet body (10).

4. A power distribution cabinet capable of emergency power off according to claim 3, characterized in that: The main body assembly also includes a mounting plate (13), an emergency stop switch (15), a step switch (16) and a cable (17); The mounting plate (13) is attached to the inner side of the cabinet door (11), and a leakage protector and an overcurrent protector are fixed on the mounting plate (13); the emergency stop switch (15) and the step switch (16) are fixed on the mounting plate (13) and embedded in the cabinet door (11); one end of the cable (17) is connected to the leakage protector, and the other end is connected to the insulating box (25) and connected to the second contact (270); The insulating box (25) of the first contact (27) is connected to a same cable (17), and the other end is connected to an electrical component in the cabinet (10).

5. A power distribution cabinet capable of emergency power off according to claim 3, characterized in that: Also included are connection components; The connecting assembly comprises a second fixed block (30), a movable groove (31) and a third through hole (32); The second fixing block (30) is fixed to the inner side of the cabinet door (11) and is located at the four corners of the mounting plate (13); the movable groove (31) is provided in the middle of the second fixing block (30); and the third through holes (32) are provided on both sides of the movable groove (31).

6. A power distribution cabinet capable of emergency power off according to claim 5, characterized in that: The connecting assembly further comprises a sliding block (33) and a second telescopic clamping block (34); The slider (33) is movably connected in the movable groove (31), and the second telescopic block (34) is movably connected in the side of the slider (33) and the third through hole (32).

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