Intelligent safety protection device for explosion-proof power distribution cabinet

Through the combination of multi-point guide protection mechanism and reinforcement components, the safety problem of explosion-proof distribution cabinet when sparks are emitted is solved, automatic and intelligent fire prevention and impurity emission prevention are realized, and explosion-proof safety is significantly improved.

CN223402079UActive Publication Date: 2025-09-30HENAN HUAZUAN ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202422572355.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-09-30
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

When an existing explosion-proof distribution cabinet accidentally catches fire, sparks are likely to shoot outwards, and may be accompanied by small impurities that are pressurized and ejected outwards, resulting in poor explosion-proof safety.

Method used

A multi-point guided protection mechanism is adopted, and a motor is used to drive the linkage screw to move the sleeve block and the sliding sleeve block downward. Combined with the reinforcement component to support the I-shaped frame, the explosion-proof protective shell can be steadily lowered to prevent sparks and impurities from being emitted.

Benefits of technology

It realizes automatic intelligent protection when sparks are ejected, improves explosion-proof safety, and enhances internal stability by reinforcing components to prevent impurities from being ejected.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an explosion-proof power distribution cabinet intelligent safety protection device, and specifically relates to the technical field of safety protection, the explosion-proof power distribution cabinet intelligent safety protection device comprises a cabinet body, an explosion-proof protection shell and a frame plate, the explosion-proof protection shell is arranged on the outer wall of the cabinet body, the frame plate is fixedly connected to one side of the cabinet body, and the frame plate is internally provided with a multi-point guide protection mechanism; the multi-point guide protection mechanism comprises a sleeve block, a linkage strip and two sliding sleeve blocks; the sleeve blocks are slidably connected to the inner walls of the frame plates. According to the multi-point guide protection mechanism of the utility model, when spark emission is performed inside the cabinet body, the motor can automatically and intelligently drive the linkage screw rod to rotate, the linkage strip enables the explosion-proof protection shell to move downwards along the outer wall of the cabinet body, the supporting block supports the plurality of guide sliding rods, and the sliding sleeve block slides downwards along the outer walls of the plurality of guide sliding rods in a guiding manner. And the explosion-proof protection shell can stably realize fire-proof emission to the outside of the cabinet body, and meanwhile, other impurities are prevented from being emitted, so that the safety of intelligent automatic protection is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of safety protection, and more specifically, to an intelligent safety protection device for an explosion-proof power distribution cabinet. Background Art

[0002] Explosion-proof distribution cabinets utilize special materials and structural designs to effectively prevent electrical equipment from sparking or exploding in harsh environments, thereby ensuring safety at production sites. This design is particularly important in flammable and explosive environments, such as in the petrochemical and coal mining industries.

[0003] Patent publication number CN221633204U discloses a safety protection device for an outdoor power distribution cabinet. This device is connected to a fixed plate via the inner wall of the base. The control mechanism, brushes, mounting bracket, and springs work together to clean the filter and ensure efficient heat dissipation. This device has the following issues:

[0004] When the protective device is providing safety protection for the outdoor distribution cabinet, during an accidental fire, the explosion-proof distribution cabinet will easily cause sparks to rush outward during the external air pressurization process, and there will also be other small impurities that are pressurized and ejected outward, which leads to poor explosion-proof safety and requires the use of an intelligent safety protection device for the explosion-proof distribution cabinet. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides the following technical solutions: an intelligent safety protection device for an explosion-proof power distribution cabinet, comprising a cabinet body, an explosion-proof protective shell and a frame plate, wherein the explosion-proof protective shell is arranged on the outer wall of the cabinet body, the frame plate is fixedly connected to one side of the cabinet body, and a multi-point guide protection mechanism is installed inside the frame plate; the multi-point guide protection mechanism comprises a sleeve block, a linkage bar and two sliding sleeve blocks; the sleeve block is slidably connected to the inner wall of the frame plate, and the linkage bar is fixedly connected to one side of the sleeve block, the explosion-proof protective shell is fixedly connected to the top of the linkage bar, and the two sliding sleeve blocks are respectively fixedly connected to both sides of the explosion-proof protective shell;

[0006] The inner wall of each sliding sleeve is slidably connected to a plurality of guide slide rods, a support block is provided at the bottom end of the guide slide rod, the support block is fixedly connected to the cabinet body, and the plurality of guide slide rods are slidably connected to the sliding sleeve; the inner wall of the sleeve is threadedly connected to a linkage screw, and a motor is fixedly installed at the bottom end of the frame plate, and the motor is used to drive the linkage screw to rotate.

[0007] Preferably, the outer wall of the sleeve block is slidably connected to the frame plate, and both the outer wall of the sleeve block and the inner wall of the frame plate are smooth. The inner wall of the cabinet body is slidably connected to the outer wall of the explosion-proof protective shell. The two support blocks are symmetrically arranged about the cabinet body. A cabinet door is hinged on the other side of the cabinet body, and a button is fixedly connected to one side of the explosion-proof protective shell. The explosion-proof protective shell is slidably connected to the outer wall of the frame plate. Multiple circuit breakers are fixedly mounted on one side of the inner wall of the cabinet body, and multiple connecting wires are fixedly connected to the bottom ends of the circuit breakers. The bottom ends of the connecting wires are bolted to the wire bus.

[0008] When this technology is in use, if sparks are emitted from within the cabinet, a button is pressed to activate the motor, which automatically and intelligently drives the linkage screw to rotate. The linkage screw then drives the sleeve downward under the action of the thread transmission force, and the explosion-proof protective shell simultaneously moves downward along the outer wall of the frame. At the same time, the explosion-proof protective shell drives the two sliding sleeves to move downward synchronously. The sliding sleeves slide down along the outer wall of the multiple guide slides. The support blocks support the multiple guide slides, allowing the explosion-proof protective shell to slide down along the outer wall of the cabinet, stably achieving the purpose of preventing the explosion-proof protective shell from projecting fire outward from the cabinet.

[0009] Preferably, an I-shaped frame is fixedly connected to the inner wall of the explosion-proof protective shell near its top position, and a reinforcement component is provided on one side of the I-shaped frame; the reinforcement component includes an arc-shaped reinforcement frame fixedly arranged on one side of the I-shaped frame, and the outer wall of the arc-shaped reinforcement frame is fixedly connected to an inclined frame, the other side of the I-shaped frame is fixedly connected to a reinforcement frame, and an arc-shaped bracket is fixedly connected to one end of the reinforcement frame, the cross-sectional shape of the I-shaped frame is I-shaped, and the I-shaped frame and the arc-shaped reinforcement frame are both made of stainless steel.

[0010] When this technology is used, when impurities inside the explosion-proof protective shell are ejected, the reinforcement frame provides support for the I-shaped frame. The arc-shaped reinforcement frame supports the I-shaped frame, so that the I-shaped frame can achieve stable reinforcement operation inside the explosion-proof protective shell.

[0011] The technical effects and advantages of this utility model are:

[0012] The utility model adopts a multi-point guide protection mechanism. When sparks are emitted from the inside of the cabinet, the motor is started by a button. In this way, the motor can automatically and intelligently drive the linkage screw to rotate, and the sleeve block drives the linkage bar to move downward. The linkage bar causes the explosion-proof protective shell to move downward along the outer wall of the cabinet. The support block supports multiple guide slide bars, and the sliding sleeve block slides down along the outer wall guides of the multiple guide slide bars, stably realizing the explosion-proof protective shell to prevent fire from being emitted to the outside of the cabinet, while preventing other impurities from being emitted. In this way, the safety of intelligent automatic protection is better.

[0013] 2. The utility model adopts a reinforcement component, which supports the I-shaped frame through an arc-shaped bracket, and the reinforcement frame provides support for the I-shaped frame. The arc-shaped reinforcement frame supports the I-shaped frame, and the inclined frame provides reinforcement support for the arc-shaped reinforcement frame. In this way, the I-shaped frame can achieve stable reinforcement operation inside the explosion-proof protective shell, greatly improving explosion-proof safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the intelligent safety protection device for explosion-proof distribution cabinet of the utility model.

[0015] Figure 2 This is a rear view structural diagram of the intelligent safety protection device for explosion-proof distribution cabinet of the utility model.

[0016] Figure 3 This is a schematic diagram of the partial structure of the connection between the cabinet body and the frame plate of the present invention.

[0017] Figure 4 This is a schematic diagram of the vertical cross-section structure of the intelligent safety protection device for explosion-proof distribution cabinet of the present utility model.

[0018] Figure 5 This is a schematic diagram of the partial structure of the connection between the linkage bar and the explosion-proof protective shell of the present invention.

[0019] Figure 6 This is a schematic diagram of the partial structure of the connection between the sleeve block and the linkage screw of the present invention.

[0020] The accompanying drawings are marked as follows: 1. cabinet body; 2. explosion-proof protective shell; 3. frame plate; 4. sleeve block; 5. linkage bar; 6. sliding sleeve block; 7. guide slide rod; 8. support block; 9. linkage screw; 10. motor; 11. cabinet door; 12. button; 13. circuit breaker; 14. connecting line; 15. wire row; 16. I-shaped frame; 17. arc-shaped reinforcement frame; 18. tilt frame; 19. reinforcement frame; 20. arc-shaped bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] As attached Figure 1-6An intelligent safety protection device for an explosion-proof distribution cabinet is shown. The intelligent safety protection device for an explosion-proof distribution cabinet is provided with a multi-point guide protection mechanism. The setting of the multi-point guide protection mechanism can stably realize the fire protection of the explosion-proof protective shell 2 to the outside of the cabinet 1 while preventing other impurities from being emitted. In this way, the intelligent automatic protection is safer. The specific structural setting of the multi-point guide protection mechanism is as follows.

[0023] In this technical solution, as shown in the attached Figure 1-6 As shown, the explosion-proof protective shell 2 is arranged on the outer wall of the cabinet 1, the frame plate 3 is fixedly connected to one side of the cabinet 1, and a multi-point guide protection mechanism is installed inside the frame plate 3; the multi-point guide protection mechanism includes a sleeve block 4, a linkage bar 5 and two sliding sleeve blocks 6; the sleeve block 4 is slidably connected to the inner wall of the frame plate 3, and the linkage bar 5 is fixedly connected to one side of the sleeve block 4, the explosion-proof protective shell 2 is fixedly connected to the top of the linkage bar 5, and the two sliding sleeve blocks 6 are respectively fixedly connected to both sides of the explosion-proof protective shell 2;

[0024] The inner wall of each sliding sleeve 6 is slidably connected to multiple guide slides 7. A support block 8 is provided at the bottom end of the guide slides 7. The support block 8 is fixedly connected to the cabinet 1, and the multiple guide slides 7 are slidably connected to the sliding sleeve 6. A linkage screw 9 is threadedly connected to the inner wall of the sleeve 4, and a motor 10 is fixedly mounted at the bottom end of the frame plate 3 to drive the linkage screw 9 to rotate. The outer wall of the sleeve 4 is slidably connected to the frame plate 3, and both the outer wall of the sleeve 4 and the inner wall of the frame plate 3 are smooth. The inner wall of the cabinet 1 is slidably connected to the outer wall of the explosion-proof protective shell 2. The two support blocks 8 are symmetrically arranged with respect to the cabinet 1.

[0025] In this technical solution, as shown in the attached Figure 1-4 As shown, a cabinet door 11 is hinged on the other side of the cabinet 1, and a button 12 is fixedly connected to one side of the explosion-proof protective shell 2; the explosion-proof protective shell 2 is slidably connected to the outer wall of the frame 3. Multiple circuit breakers 13 are fixedly mounted on one side of the inner wall of the cabinet 1. Multiple connecting wires 14 are fixedly connected to the bottom ends of the circuit breakers 13. The bottom ends of the connecting wires 14 are bolted to a wire bus 15 to facilitate connection to the mains power through the circuit breaker 13. The circuit breaker 13 directs the current to the connecting wires 14, and the wire bus 15 can be connected to the power supply equipment. After power is supplied, the cabinet door 11 is closed.

[0026] In this technical solution, the mains power is connected through the circuit breaker 13. After the circuit breaker 13 is turned on, the current is diverted to the connecting line 14 through the circuit breaker 13, and the current is diverted to the line bus 15 by the connecting line 14, and the line bus 15 can be connected to the power supply equipment to realize the power supply operation. After power supply, the cabinet door 11 is closed to protect the cabinet 1. When sparks are emitted from inside the cabinet 1, the motor 10 is started by the button 12. In this way, the motor 10 can automatically and intelligently drive the linkage screw 9 to rotate, and the linkage screw 9 drives the sleeve block 4 to move downward under the action of the thread transmission force, and the sleeve block 4 drives the linkage bar 5 to move downward, and the linkage bar 5 causes the explosion-proof protective shell 2 to move downward along the outer wall of the cabinet 1, and at the same time, the explosion-proof protective shell 2 is guided downward along the outer wall of the frame plate 3.

[0027] At the same time, the explosion-proof protective shell 2 drives the two sliding blocks 6 to move downward synchronously, and the sliding blocks 6 slide down along the outer wall guides of multiple guide slide bars 7, and the cabinet body 1 provides supporting force to the support blocks 8, and the support blocks 8 support multiple guide slide bars 7. The sliding blocks 6 slide down along the outer wall guides of multiple guide slide bars 7, so that the explosion-proof protective shell 2 can slide down along the outer wall guide of the cabinet body 1, and stably realize the fire protection of the explosion-proof protective shell 2 to the outside of the cabinet body 1.

[0028] In this technical solution, as shown in the attached Figure 5 As shown, an I-shaped frame 16 is fixedly connected to the inner wall of the explosion-proof protective shell 2 near its top. A reinforcement assembly is provided on one side of the I-shaped frame 16. The reinforcement assembly includes an arc-shaped reinforcement frame 17 fixedly arranged on one side of the I-shaped frame 16, and an inclined frame 18 is fixedly connected to the outer wall of the arc-shaped reinforcement frame 17. A reinforcement frame 19 is fixedly connected to the other side of the I-shaped frame 16, and an arc-shaped bracket 20 is fixedly connected to one end of the reinforcement frame 19. The cross-section of the I-shaped frame 16 is I-shaped, and both the I-shaped frame 16 and the arc-shaped reinforcement frame 17 are made of stainless steel.

[0029] In this technical solution, when impurities inside the explosion-proof protective shell 2 are ejected, the arc-shaped bracket 20 supports the I-shaped frame 16, and the reinforcement frame 19 provides support for the I-shaped frame 16. The arc-shaped reinforcement frame 17 supports the I-shaped frame 16, and the tilt frame 18 reinforces the arc-shaped reinforcement frame 17. In this way, the I-shaped frame 16 can achieve a stable reinforcement operation for the interior of the explosion-proof protective shell 2, thus stably reinforcing and explosion-proofing the interior of the explosion-proof protective shell 2.

[0030] The contents not described in detail in the specification belong to the existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the existing technology and are not described here.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An intelligent safety protection device for an explosion-proof power distribution cabinet, comprising a cabinet body (1), an explosion-proof protective shell (2) and a frame plate (3), wherein the explosion-proof protective shell (2) is arranged on the outer wall of the cabinet body (1), and the frame plate (3) is fixedly connected to one side of the cabinet body (1), characterized in that: A multi-point guide protection mechanism is installed inside the frame plate (3); The multi-point guide protection mechanism comprises a sleeve block (4), a linkage bar (5) and two sliding sleeve blocks (6); The sleeve block (4) is slidably connected to the inner wall of the frame plate (3), and the linkage bar (5) is fixedly connected to one side of the sleeve block (4), the explosion-proof protective shell (2) is fixedly connected to the top of the linkage bar (5), and the two sliding sleeve blocks (6) are respectively fixedly connected to both sides of the explosion-proof protective shell (2); The inner wall of each sliding sleeve (6) is slidably connected to a plurality of guide slide bars (7), a support block (8) is provided at the bottom end of the guide slide bar (7), the support block (8) is fixedly connected to the cabinet (1), and the plurality of guide slide bars (7) are slidably connected to the sliding sleeve (6); The inner wall of the sleeve block (4) is threadedly connected to a linkage screw (9), and a motor (10) is fixedly mounted on the bottom end of the frame plate (3), and the motor (10) is used to drive the linkage screw (9) to rotate.

2. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 1, characterized in that: The outer wall of the sleeve block (4) is slidably connected to the frame plate (3), and the outer wall of the sleeve block (4) and the inner wall of the frame plate (3) are both smooth surfaces.

3. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 1, characterized in that: The inner wall of the cabinet (1) is slidably connected to the outer wall of the explosion-proof protective shell (2), and the two support blocks (8) are symmetrically arranged with respect to the cabinet (1).

4. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 1, characterized in that: A cabinet door (11) is hingedly connected to the other side of the cabinet body (1), and a button (12) is fixedly connected to one side of the explosion-proof protective shell (2); The explosion-proof protective shell (2) is slidably connected to the outer wall of the frame plate (3).

5. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 1, characterized in that: A plurality of circuit breakers (13) are fixedly mounted on one side of the inner wall of the cabinet (1), a plurality of connecting wires (14) are fixedly connected to the bottom end of the circuit breaker (13), and the bottom end of the connecting wire (14) is bolted to a wire row (15).

6. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 1, characterized in that: An I-shaped frame (16) is fixedly connected to the inner wall of the explosion-proof protective shell (2) near its top, and a reinforcement component is provided on one side of the I-shaped frame (16); The reinforcement assembly comprises an arc-shaped reinforcement frame (17) fixedly arranged on one side of the I-shaped frame (16), and an outer wall of the arc-shaped reinforcement frame (17) is fixedly connected to a tilting frame (18), and the other side of the I-shaped frame (16) is fixedly connected to a reinforcement frame (19), and an arc-shaped bracket (20) is fixedly connected to one end of the reinforcement frame (19).

7. The intelligent safety protection device for explosion-proof power distribution cabinet according to claim 6, characterized in that: The cross-sectional shape of the I-shaped frame (16) is an I-shape, and the I-shaped frame (16) and the arc-shaped reinforcement frame (17) are both made of stainless steel.

Citation Information

Patent Citations

  • Safety protection device of outdoor power distribution cabinet

    CN221633204U