A power distribution cabinet capable of automatically protecting internal circuits according to external water volume
By using a float-driven winding assembly to lift the cabinet, combined with desiccant and heating devices to treat water accumulation and humidity, the problem of water seepage and line aging in the distribution cabinet under harsh environments is solved, achieving safety and extended lifespan.
Patent Information
- Application Number
- CN202211188084.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-28
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2042-09-28
AI Technical Summary
Existing distribution cabinets cannot effectively prevent water seepage and aging of wiring caused by moisture in harsh environments, posing safety hazards.
Through a combination of floats, winding assemblies, heating devices, and desiccants, the heating device is driven by buoyancy and chemical reactions to generate gas, preventing water seepage and drying the interior of the cabinet.
It effectively prevents water seepage, avoids short circuits and aging of circuits, and extends the service life of the distribution cabinet.
Smart Images

Figure CN115548895B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of automatically protecting internal circuits according to external water quantity. BACKGROUND
[0002] The power distribution cabinet is a collection of circuits, which can adjust and distribute electronic devices of the circuits, so that the circuits can work cooperatively and the safety of the circuit operation can be ensured. The power distribution cabinet is often used in the factory area. However, when the power distribution cabinet is used in open-air operation, the power distribution cabinet needs to be optimized so that the power distribution cabinet can be suitable for the external harsh environment.
[0003] At present, when the power distribution cabinet is used, it cannot effectively cope with the rain and snow and other harsh environments. When the external environment causes the road surface to have accumulated water, the accumulated water will gather at the bottom end of the power distribution cabinet. When the accumulated water penetrates into the internal circuit of the power distribution cabinet, the internal circuit may have a short circuit phenomenon, causing a safety hazard. If the power distribution cabinet is moved in time, the internal circuit may also have a water tree phenomenon due to dampness, thereby increasing the aging of the circuit and reducing the service life of the power distribution cabinet.
[0004] In view of the defects of the prior art, the application provides a power distribution cabinet capable of automatically protecting internal circuits according to external water quantity, which has the advantages of preventing accumulated water from penetrating into the power distribution cabinet and avoiding dampness from causing the aging of the circuit, and solves the problems of accumulated water penetrating into the power distribution cabinet and dampness causing the aging of the circuit. SUMMARY
[0005] In order to achieve the above-mentioned purpose of preventing accumulated water from penetrating into the power distribution cabinet and avoiding dampness from causing the aging of the circuit, the application provides the following technical scheme: a power distribution cabinet capable of automatically protecting internal circuits according to external water quantity, comprising a cabinet body, a supporting rod fixedly installed at the bottom end of the cabinet body, a trigger device fixedly installed at the bottom end of the cabinet body, a driving device movably connected to the rear end of the trigger device, a reaction device fixedly installed at the bottom end in the cabinet body, a heating device fixedly installed on the surface of the reaction device, and a partition plate fixedly installed above the reaction device in the cabinet body.
[0006] As an optimization, the trigger device comprises a vertical rod, a float block slidingly connected to the surface of the bottom end of the vertical rod, a push rod fixedly installed at the top end of the float block, a rack rotatably connected to the top end of the push rod, a winding set rotatably connected to the front end of the top end of the vertical rod, and a gear rotatably connected to the front end of the top end of the vertical rod. The surface of the winding set is wound with a connecting line, and the connecting line is fixedly connected with the supporting rod.
[0007] As an optimization, a gap is formed in the middle of the gear, the rear end of the winding set penetrates through the gear and the vertical rod and is rotatably connected, the gear and the winding set are fixedly connected, and rotation of the gear drives the winding set to rotate.
[0008] As optimization, the driving device comprises a connecting rod, a sliding block is rotatably connected to one end of the connecting rod near the middle of the vertical rod, a shaft sleeve is slidably connected to the surface of the connecting rod, an extension rod is rotatably connected to one end of the shaft sleeve near the sliding block, a return spring is fixedly installed at one end of the extension rod near the middle of the vertical rod, and a counterweight is movably connected to the top end of the connecting rod.
[0009] As optimization, the bottom end of the connecting rod is movably connected to the top end of the floating block, the rear end of the vertical rod is fixedly installed with a horizontal guide rail, the sliding block is slidably connected inside the guide rail to ensure that the sliding block only moves in the horizontal direction, the rear end of the vertical rod is provided with a vertical sliding groove, and the counterweight is slidably connected inside the sliding groove to ensure that the counterweight only moves in the vertical direction.
[0010] As optimization, the reaction device comprises a fixed disc, a storage capsule is fixedly installed at the middle of the fixed disc, a water absorbing block is fixedly installed at the edge inside the fixed disc, a conduit is fixedly installed at one end of the water absorbing block near the storage capsule, a reaction chamber is fixedly installed at one end of the conduit away from the water absorbing block, an air duct is fixedly installed at one end of the reaction chamber away from the conduit, a spring rod is movably connected inside the air duct, and a push block is fixedly installed at one end of the spring rod away from the air duct.
[0011] As optimization, a drying agent is placed inside the storage capsule, a discharge port is formed in the surface of the storage capsule, sodium particles are placed inside the reaction chamber, and a safety valve is fixedly installed on the inner wall of the air duct to avoid safety hazards caused by the sudden generation of a large amount of gas in the reaction chamber.
[0012] As optimization, the heating device comprises a guide block, a heating tube is fixedly installed at one end of the guide block away from the center of the fixed disc, a heating resistance wire is fixedly installed inside the heating tube, and a contact is slidably connected to the surface of the heating resistance wire.
[0013] As optimization, the guide block is hollow inside, the guide block is fixedly installed on the surface of the discharge port at one end near the storage capsule, and the resistance value of the heating resistance wire gradually increases with the movement of the contact towards the edge of the fixed disc.
[0014] The beneficial effects of the application are: the power distribution cabinet which automatically protects the internal circuit according to the external water quantity, when there is accumulated water outside, the float rises with the accumulated water surface under the action of buoyancy, the float rises to drive the winding set to rotate, and then the support rod is pulled to rotate, so that the height of the bottom end of the cabinet body away from the ground is increased, the phenomenon of preventing water penetration into the cabinet body is achieved, the power distribution cabinet works for a long time in a humid environment, the water vapor liquefies at the bottom end of the cabinet body, the water droplets and sodium particles react to generate a large amount of gas and high temperature, the gas pushes the storage capsule, so that the desiccant in the storage capsule is sprayed out and drives the heating resistance wire to heat, and then the bottom end of the cabinet body is dried, and the heat generated will further dry the inside of the cabinet body. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the application;
[0016] Figure 2 It is a structural front view schematic diagram of the application;
[0017] Figure 3 It is a structural back view schematic diagram of the application;
[0018] Figure 4 It is a structural connection schematic diagram of the trigger device and the driving device of the application;
[0019] Figure 5 It is a structural schematic diagram of the reaction device of the application;
[0020] Figure 6 It is a structural schematic diagram of the application Figure 5 enlarged structure schematic diagram of A;
[0021] Figure 7 It is an enlarged structure schematic diagram of B of the application Figure 5
[0022] In the figure: 1, cabinet body; 2, support rod; 3, trigger device; 31, vertical rod; 32, float; 33, push rod; 34, rack; 35, winding set; 36, gear; 4, driving device; 41, connecting rod; 42, sliding block; 43, shaft sleeve; 44, telescopic rod; 45, return spring; 46, counterweight; 5, reaction device; 51, fixed disc; 52, storage capsule; 53, water absorption block; 54, conduit; 55, reaction chamber; 56, air duct; 57, spring rod; 58, push block; 6, heating device; 61, guide block; 62, heating pipe; 63, heating resistance wire; 64, contact; 7, partition. DETAILED DESCRIPTION
[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.
[0024] Please refer to Figures 1-7 , a power distribution cabinet for automatically protecting internal circuits according to external water volume, comprising a cabinet body 1, a support rod 2 is fixedly installed at the bottom end of the cabinet body 1, a triggering device 3 is fixedly installed at the bottom end of the cabinet body 1, a driving device 4 is movably connected to the rear end of the triggering device 3, a reaction device 5 is fixedly installed at the bottom end inside the cabinet body 1, a heating device 6 is fixedly installed on the surface of the reaction device 5, and a partition plate 7 is fixedly installed above the reaction device 5 inside the cabinet body 1.
[0025] Please refer to Figures 1-4 , the triggering device 3 comprises a vertical rod 31, a float 32 is slidably connected to the surface of the bottom end of the vertical rod 31, a push rod 33 is fixedly installed at the top end of the float 32, a rack 34 is rotatably connected to the top end of the push rod 33, a winding set 35 is rotatably connected to the front end of the top end of the vertical rod 31, and a gear 36 is rotatably connected to the front end of the top end of the vertical rod 31.
[0026] An opening is formed in the middle of the gear 36, the winding set 35 is rotatably connected through the gear 36 and the vertical rod 31, the gear 36 is fixedly connected with the winding set 35, the rotation of the gear 36 drives the rotation of the winding set 35, a connecting line is wound on the surface of the winding set 35, and the connecting line is fixedly connected with the support rod 2.
[0027] Please refer to Figures 1-4 , the driving device 4 comprises a connecting rod 41, a sliding block 42 is rotatably connected to one end of the connecting rod 41 close to the middle of the vertical rod 31, an axle sleeve 43 is slidably connected to the surface of the connecting rod 41, an extension rod 44 is rotatably connected to one end of the axle sleeve 43 close to the sliding block 42, a return spring 45 is fixedly installed at one end of the extension rod 44 close to the middle of the vertical rod 31, and a counterweight 46 is movably connected to the top end of the connecting rod 41.
[0028] The bottom end of the connecting rod 41 is movably connected to the top end of the float 32, a horizontal guide rail is fixedly installed at the rear end of the vertical rod 31, the sliding block 42 is slidably connected inside the guide rail, so that the sliding block 42 only moves in the horizontal direction, a vertical sliding groove is formed in the rear end of the vertical rod 31, and the counterweight 46 is slidably connected inside the sliding groove, so that the counterweight 46 only moves in the vertical direction.
[0029] Please refer to Figure 1 , 5And 7, the reaction device 5 includes the fixed disc 51, the middle part of the fixed disc 51 is fixedly installed with the storage bag 52, the edge inside the fixed disc 51 is fixedly installed with the water absorption block 53, the one end close to the storage bag 52 of the water absorption block 53 is fixedly installed with the catheter 54, the one end away from the water absorption block 53 of the catheter 54 is fixedly installed with the reaction chamber 55, the one end away from the catheter 54 of the reaction chamber 55 is fixedly installed with the airway 56, the inside of the airway 56 is movably connected with the spring rod 57, the one end away from the airway 56 of the spring rod 57 is fixedly installed with the push block 58.
[0030] The inside of the storage bag 52 is placed with the drying agent, the surface of the storage bag 52 is provided with the discharge port, the inside of the reaction chamber 55 is placed with the sodium particles, the inner wall of the airway 56 is fixedly installed with the safety valve, the safety valve can avoid the security risk when a large amount of gas is suddenly generated in the reaction chamber 55.
[0031] Please refer to Figure 1 、 5 And 6, the heating device 6 includes the guide block 61, the one end away from the center of the fixed disc 51 of the guide block 61 is fixedly installed with the heating pipe 62, the inside of the heating pipe 62 is fixedly installed with the heating resistance wire 63, the surface of the heating resistance wire 63 is slidably connected with the contact 64.
[0032] The inside of the guide block 61 is in a hollow state, the one end close to the storage bag 52 of the guide block 61 is fixedly installed on the surface of the discharge port, the resistance value of the heating resistance wire 63 gradually increases with the movement of the contact 64 to the edge direction of the fixed disc 51.
[0033] In use, the electronic equipment inside the power distribution cabinet is placed above the partition 7, when the ground is flooded, the float 32 rises under the action of the buoyancy of water, the float 32 rises and drives the fixedly connected push rod 33 to rise, the push rod 33 rises and drives the rotationally connected rack 34 to rise, and then drives the meshingly connected gear 36 to rotate, the gear 36 rotates and drives the fixedly connected wire winding set 35 to rotate, the wire winding set 35 rotates and pulls the bottom end of the support rod 2 to move on the ground through the connecting line, and then makes the support rod 2 drive the cabinet body 1 to rise, avoiding the phenomenon that the water permeates to the ground of the cabinet body 1, causing the internal electronic equipment of the cabinet body 1 to appear a short circuit and other phenomena to cause a safety hazard, when the water vapor is liquefied into water beads and accumulates at the bottom end inside the cabinet body 1, the water beads on the surface of the water absorption block 53 flow to the reaction chamber 55 through the conduit 54, the water beads and the sodium particles inside the reaction chamber 55 react to generate gas and produce high temperature, the high temperature preliminarily dries the bottom end of the cabinet body 1, and the generated gas pushes the spring rod 57 through the gas channel 56, so that the spring rod 57 pushes the push block 58 to move towards the storage capsule 52, when the push block 58 pushes the storage capsule 52, the desiccant and the gas inside the storage capsule 52 are sprayed to the heating pipe 62, the gas pushes the contact 64 inside the heating pipe 62 to move, so that the resistance value of the heating resistance wire 63 circuit increases, and then the heating resistance wire 63 heats the desiccant and the gas inside the heating pipe 62, and when the heated desiccant and the gas are sprayed out of the heating pipe 62, the water beads at the bottom end of the cabinet body 1 can be dried.
[0034] In summary, the power distribution cabinet for automatically protecting the internal circuit according to the external water quantity is provided, when there is accumulated water outside, the float 32 rises with the water surface under the action of the buoyancy, the float 32 rises and drives the wire winding set 35 to rotate, and then pulls the support rod 2 to rotate, so that the height of the bottom end of the cabinet body 1 from the ground is increased, the phenomenon that the water permeates into the inside of the cabinet body 1 is prevented, the power distribution cabinet works for a long time in a humid environment, the water vapor is liquefied at the bottom end of the cabinet body 1, the liquefied water beads and the sodium particles react to generate a large amount of gas and high temperature, the gas pushes the storage capsule 52, so that the desiccant inside the storage capsule 52 is sprayed out and drives the heating resistance wire 63 to heat, and then the bottom end of the cabinet body 1 is dried, and the generated heat further dries the inside of the cabinet body 1.
[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A power distribution cabinet for automatically protecting internal circuits from external water, comprising a cabinet body (1), characterized in that: The bottom end of the cabinet body (1) is fixedly installed with a support rod (2), the bottom end of the cabinet body (1) is fixedly installed with a trigger device (3), the rear end of the trigger device (3) is movably connected with a driving device (4), the bottom end inside the cabinet body (1) is fixedly installed with a reaction device (5), the surface of the reaction device (5) is fixedly installed with a heating device (6), the top of the reaction device (5) inside the cabinet body (1) is fixedly installed with a partition (7); The trigger device (3) comprises a vertical rod (31), the surface of the bottom of the vertical rod (31) is slidably connected with a floating block (32), the top of the floating block (32) is fixedly installed with a push rod (33), the top of the push rod (33) is rotatably connected with a rack (34), the front end of the top of the vertical rod (31) is rotatably connected with a winding group (35), and the front end of the top of the vertical rod (31) is rotatably connected with a gear (36); The middle part of the gear (36) is provided with an opening, the rear end of the winding group (35) penetrates through the gear (36) and the vertical rod (31) and is rotatably connected, the gear (36) and the winding group (35) are fixedly connected, the surface of the winding group (35) is wound with a connecting line, and the connecting line and the support rod (2) are fixedly connected; The driving device (4) comprises a connecting rod (41), one end of the connecting rod (41) close to the middle part of the vertical rod (31) is rotatably connected with a sliding block (42), the surface of the connecting rod (41) is slidably connected with a shaft sleeve (43), one end of the shaft sleeve (43) close to the sliding block (42) is rotatably connected with a telescopic rod (44), one end of the telescopic rod (44) close to the middle part of the vertical rod (31) is fixedly installed with a reset spring (45), and the top of the connecting rod (41) is movably connected with a counterweight (46); The bottom end of the connecting rod (41) is movably connected to the top of the floating block (32), the rear end of the vertical rod (31) is fixedly installed with a horizontal guide rail, the sliding block (42) is slidably connected in the guide rail, and the rear end of the vertical rod (31) is provided with a vertical sliding groove, and the counterweight (46) is slidably connected in the sliding groove; The reaction device (5) comprises a fixed disc (51), the middle part of the fixed disc (51) is fixedly installed with a storage bag (52), the edge of the inside of the fixed disc (51) is fixedly installed with a water absorption block (53), one end of the water absorption block (53) close to the storage bag (52) is fixedly installed with a conduit (54), one end of the conduit (54) away from the water absorption block (53) is fixedly installed with a reaction chamber (55), one end of the reaction chamber (55) away from the conduit (54) is fixedly installed with an airway (56), the inside of the airway (56) is movably connected with a spring rod (57), and one end of the spring rod (57) away from the airway (56) is fixedly installed with a push block (58); The inside of the storage bag (52) is placed with a drying agent, the surface of the storage bag (52) is provided with a discharge port, the inside of the reaction chamber (55) is placed with sodium particles, and the inner wall of the airway (56) is fixedly installed with a safety valve. The heating device (6) includes a guide block (61), one end away from the center of the fixed disc (51) is fixedly installed with a heating pipe (62), the inside of the heating pipe (62) is fixedly installed with a heating resistance wire (63), the surface of the heating resistance wire (63) is slidably connected with a contact (64). The inside of the guide block (61) is in a hollow state, one end close to the storage bag (52) is fixedly installed on the surface of the discharge port, the resistance value of the heating resistance wire (63) gradually increases with the movement of the contact (64) to the edge direction of the fixed disc (51).
Citation Information
Patent Citations
Intelligently-manufactured electrical box capable of preventing water inflow and automatically conducting drying
CN112888215A