A safe and reliable electric energy metering box

By introducing automatic triggering and power-off mechanisms into the electricity metering box, the risk of burns from the high-temperature outer shell of the traditional electricity metering box during a fire has been solved, enabling safe and efficient firefighting operations at the fire scene.

CN120601288BActive Publication Date: 2025-11-28ZHEJIANG WOCHANG ELECTRIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202511101189.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-07
Publication Date
2025-11-28
Estimated Expiration
2045-08-07

AI Technical Summary

Technical Problem

Traditional electricity metering boxes pose a high risk of burns to operators due to their high-temperature outer shell during a fire, and may also prolong the spread of fire and reduce the safety of firefighting operations.

Method used

An energy metering box comprising a fixing mechanism, a triggering mechanism, a pushing component, a damping mechanism, and a power-off mechanism was designed. The cabinet door is automatically opened and the power is cut off by the flame triggering mechanism, avoiding direct contact between personnel and the high-temperature outer shell, reducing the risk of burns, and preventing secondary disasters by cutting off the power.

Benefits of technology

In the event of a fire, the cabinet door automatically opens and the power is cut off, reducing the risk of burns to operators, improving the safety and efficiency of firefighting operations, and preventing the fire from spreading.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120601288B_ABST
    Figure CN120601288B_ABST
Patent Text Reader

Abstract

The application belongs to the technical field of electric energy metering box, and discloses a safe and reliable electric energy metering box, which comprises a cabinet body and a total gate, further comprises: a fixing mechanism arranged in the interior of the cabinet body; wherein the fixing mechanism comprises a cabinet door inserted into the interior of the cabinet body, four rotating blocks are arranged in the interior of the cabinet body, and four threaded rods are fixedly installed at the top ends of the four rotating blocks respectively; when the threaded rods rotate, the inserted blocks move out of the interior of the cabinet door; when the four inserted blocks simultaneously move away from the interior of the cabinet door, the compressed elastic element II pushes the pushing block, the pushing block pushes the cabinet door out of the interior of the cabinet body, finally, the flame triggers the triggering mechanism, the inserted block cancels the fixation of the cabinet door, and the cooperation with the pushing assembly avoids the danger of exposing personnel in dense smoke or high-temperature environment, reduces the risk of the operator being scalded, and creates safe and efficient implementation conditions for subsequent fire extinguishing operation.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric energy metering boxes, and specifically relates to a safe and reliable electric energy metering box. BACKGROUND

[0002] The electric energy metering box is a kind of integrated or spliced box body specially designed for accommodating and protecting electric energy meters and auxiliary equipment such as supporting switches.

[0003] At present, the traditional safe and reliable electric energy metering boxes widely used in power systems are usually installed at specified positions in accordance with strict standards and continuously and stably carry out electric energy metering work, which provides key data support for operation monitoring and electricity fee accounting of the power system; however, in the actual use process, if a fire is caused by the internal line due to aging, short circuit, overload and other abnormal conditions, since the metering box shell is usually made of stainless steel, the stainless steel has advantages of corrosion resistance and high strength, but under the high-temperature baking of the fire, a large amount of heat is rapidly absorbed and conducted, the shell temperature rapidly rises and becomes abnormally hot, at this time, even if the rescue personnel want to urgently open the metering box for fire extinguishing operation, great difficulty is faced, the high-temperature shell not only increases the risk of the operator being scalded, but also may cause the fire to further spread due to the prolonged operation time, thereby greatly reducing the possibility of safe and efficient implementation of subsequent fire extinguishing operation. SUMMARY

[0004] To solve the problems in the background art, the application provides a safe and reliable electric energy metering box.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a safe and reliable electric energy metering box, comprising a cabinet body and a total gate, further comprising:

[0006] A fixing mechanism is arranged in the interior of the cabinet body;

[0007] The fixing mechanism comprises a cabinet door inserted into the interior of the cabinet body, the interior of the cabinet body is provided with four rotating blocks, the top end of each of the four rotating blocks is fixedly provided with a threaded rod, the surface of each of the four threaded rods is threadedly connected with an insertion block, and the surface of each of the four threaded rods is provided with a sliding groove in the interior of the cabinet door;

[0008] A triggering mechanism is arranged in the interior of the cabinet body and can drive the rotating blocks to rotate;

[0009] A pushing assembly is arranged in the interior of the cabinet body and can push the cabinet door out of the interior of the cabinet body.

[0010] Preferably, the trigger mechanism comprises a resilient member I fixedly connected to the interior of the cabinet body, one end of the resilient member I is fixedly installed with sliding sleeves located on the surface of the rotating block, and the resilient member I is in a compressed state, the interior of the sliding sleeve is rollingly connected with rolling balls located in the interior of the sliding groove, the number of the sliding sleeves is four, and every two are a group, the two sliding sleeves are connected through nylon ropes, and the nylon ropes have high tensile capacity.

[0011] Preferably, the pushing assembly comprises a pushing block slidingly connected to the interior of the cabinet body, and the pushing block and the cabinet body are elastically connected through a resilient member II.

[0012] Preferably, the cabinet body further comprises:

[0013] The damping mechanism is arranged in the interior of the cabinet body, and the damping mechanism comprises a mounting groove arranged in the interior of the cabinet body, a sliding rod slidingly connected in the interior of the mounting groove, and a resilient member III elastically connecting the mounting groove and the sliding rod, and a grinding wheel rotatably connected in the bottom end of the sliding rod.

[0014] Preferably, the cabinet body further comprises:

[0015] The power-off mechanism is arranged in the interior of the cabinet body, and the power-off mechanism comprises a square shell fixedly connected to the interior of the cabinet body, a pull rod slidingly connected in the interior of the square shell, a resilient member IV elastically connecting the pull rod and the cabinet body, a steel wire rope fixedly installed at the top end of the pull rod, and one end of the steel wire rope extending to the interior of the cabinet body and connected with the pushing block.

[0016] Preferably, limit grooves are arranged in the interior of the square shell, and support blocks are fixedly installed on the surface of the pull rod and located in the limit grooves.

[0017] Preferably, two positioning plates are fixedly installed in the interior of the cabinet body and are horizontally symmetrically designed about the center of the pushing block.

[0018] Preferably, the sliding groove is designed to be curved, and the surface of the rolling ball is designed to be smooth, and the inner wall of the sliding groove and the surface of the rolling ball are fully matched.

[0019] Preferably, a supporting ring is rotatably connected in the interior of the cabinet body, and the bottom end of the supporting ring is fixedly connected with one end of the rotating block, and the supporting ring is designed to be T-shaped.

[0020] Preferably, one side of the insertion block is designed to be inclined, and the surface of the insertion block is matched with the inner wall of the cabinet door.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] The present application is burned by the flame, the compressed elastic member one pushes the sliding sleeve to move, the sliding sleeve pushes the ball to roll along the inside of the chute, in the rolling process, the rotating block and the threaded rod are rotated, when the threaded rod rotates, the block is removed from the inside of the cabinet door, when the four blocks are away from the inside of the cabinet door at the same time, the compressed elastic member two pushes the push block, the push block pushes the cabinet door out of the inside of the cabinet body, finally through the flame trigger trigger mechanism, the block cancels the fixation of the cabinet door, and cooperates with the pushing assembly, avoids the danger of exposing personnel in the smoke or high temperature environment, reduces the risk of the operator being scalded, creates safe and efficient implementation conditions for subsequent fire extinguishing operation.

[0023] When the push block pushes the cabinet door to move, the present application can extrude the air inside the cabinet body into the installation groove, and the flowing air can push the slide rod and the elastic member three downward, the elastic member three can extrude the moving cabinet door, and finally through the extrusion of the elastic member three, the movement of the cabinet door can be resisted, and the cabinet door will not move outward quickly, thereby improving the safety performance of the equipment and providing more reliable safety protection for emergency situations such as sudden fire.

[0024] When the push block moves, the present application can link the steel wire rope, the steel wire rope can pull the pull rod to retract into the square shell, and when the pull rod moves, the elastic member four can be compressed, and when the pull rod moves, the operation handle on the surface of the total brake can be rotated, thereby carrying out power-off treatment on the whole equipment, finally through the movement of the push block linking the steel wire rope, the pull rod can power off the whole equipment, effectively avoiding the secondary disaster caused by electrical short circuit and arc, thereby significantly improving the safety protection level of the fire scene. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present application;

[0026] Figure 2 It is a display schematic diagram of the inside of the cabinet body of the present application;

[0027] Figure 3 It is a sectional view of the cabinet body of the present application;

[0028] Figure 4 It is a display schematic diagram of the fixing mechanism of the present application;

[0029] Figure 5 It is an enlarged schematic diagram of A in the present application; Figure 4

[0030] Figure 6 It is a display schematic diagram of the damping mechanism of the present application;

[0031] Figure 7 It is a display schematic diagram of the power-off mechanism of the present application;

[0032] ​Figure 8 is enlarged in B of the figure.

[0033] In the figure: 1, cabinet body; 2, total gate; 3, fixing mechanism; 301, cabinet door; 302, rotating block; 303, threaded rod; 304, sliding groove; 305, plug; 4, trigger mechanism; 401, elastic piece one; 402, sliding sleeve; 403, ball; 404, nylon rope; 5, pushing assembly; 501, elastic piece two; 502, pushing block; 6, damping mechanism; 601, mounting groove; 602, sliding rod; 603, elastic piece three; 604, sanding wheel; 7, power-off mechanism; 701, square shell; 702, pull rod; 703, elastic piece four; 704, steel wire rope; 8, limiting groove; 9, supporting block; 10, positioning plate; 11, supporting ring. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0035] As Figures 1 to 8 shown, the present application provides a safe and reliable electric energy metering box, comprising a cabinet body 1 and a total gate 2, further comprising:

[0036] a fixing mechanism 3 arranged in the interior of the cabinet body 1;

[0037] The fixing mechanism 3 comprises a cabinet door 301 plugged into the interior of the cabinet body 1, the interior of the cabinet body 1 is provided with four rotating blocks 302, the top end of the rotating block 302 is fixedly installed with a threaded rod 303, the surface of the threaded rod 303 is threadedly connected with a plug 305, and the surface of the threaded rod 303 is provided with a sliding groove 304 located in the interior of the cabinet door 301;

[0038] a trigger mechanism 4 arranged in the interior of the cabinet body 1 and capable of driving the rotating block 302 to rotate;

[0039] a pushing assembly 5 arranged in the interior of the cabinet body 1 and capable of pushing the cabinet door 301 out of the interior of the cabinet body 1.

[0040] When the fire occurs and the fire is large, the flame will trigger the trigger mechanism 4, the trigger mechanism 4 drives the rotating block 302 to rotate, the rotating block 302 drives the threaded rod 303 to rotate, because the threaded rod 303 is screwed with the plug block 305, and then the plug block 305 will descend on the surface of the threaded rod 303 when the threaded rod 303 rotates, then the plug block 305 will move out of the inside of the cabinet door 301, when the four plug blocks 305 are away from the inside of the cabinet door 301 at the same time, the pushing assembly 5 pushes the cabinet door 301 to move out of the inside of the cabinet body 1, the components inside the cabinet body 1 are all exposed, and then the operator can easily operate the fire extinguishing work.

[0041] As shown in Figure 4 and Figure 5 , the trigger mechanism 4 includes an elastic member one 401 fixedly connected to the inside of the cabinet body 1, one end of the elastic member one 401 is fixedly installed with a sliding sleeve 402 on the surface of the rotating block 302, and the elastic member one 401 is in a compressed state, the inside of the sliding sleeve 402 is rollingly connected with a ball 403 inside the sliding groove 304, the number of the sliding sleeve 402 is four, and every two is a group, the two sliding sleeves 402 are connected by a nylon rope 404, and the nylon rope 404 has high tensile strength.

[0042] Through the design of the trigger mechanism 4, after the flame burns the nylon rope 404, the compressed elastic member one 401 pushes the sliding sleeve 402 to move, the sliding sleeve 402 pushes the ball 403 to roll along the inside of the sliding groove 304, and in the rolling process, the rotating block 302 is driven to rotate, and the rotating block 302 drives the plug block 305 to move out of the inside of the cabinet door 301.

[0043] As shown in Figure 3 and Figure 4 , the pushing assembly 5 includes a pushing block 502 slidingly connected to the inside of the cabinet body 1, and the pushing block 502 and the cabinet body 1 are elastically connected by an elastic member two 501.

[0044] Through the design of the pushing assembly 5, when the cabinet door 301 is installed, the pushing block 502 is extruded, and the elastic member two 501 is always in a compressed state, and when the fixing of the cabinet door 301 is released, the compressed elastic member two 501 pushes the pushing block 502, and the moving pushing block 502 pushes the cabinet door 301 out of the inside of the cabinet body 1.

[0045] As shown in Figure 4 and Figure 6 , further comprising:

[0046] A damping mechanism 6 is arranged in the interior of the cabinet body 1, and the damping mechanism 6 comprises a mounting groove 601 arranged in the interior of the cabinet body 1, a sliding rod 602 slidably connected in the interior of the mounting groove 601, and an elastic member three 603 elastically connected between the mounting groove 601 and the sliding rod 602, and a grinding wheel 604 rotatably connected in the bottom end of the sliding rod 602.

[0047] When the pushing block 502 pushes the cabinet door 301 to move, the air in the interior of the cabinet body 1 is compressed, and the compressed air enters the interior of the mounting groove 601, and then the flowing air pushes the sliding rod 602 and the elastic member three 603 to move downward, the elastic member three 603 compresses the moving cabinet door 301, and the movement of the cabinet door 301 drives the grinding wheel 604 to rotate, so as not to interfere with the movement of the cabinet door 301, and through the compression of the elastic member three 603, the cabinet door 301 can move stably.

[0048] As shown in Figure 2 , Figure 7 and Figure 8 , further comprising:

[0049] A power-off mechanism 7 is arranged in the interior of the cabinet body 1, and the power-off mechanism 7 comprises a square shell 701 fixedly connected in the interior of the cabinet body 1, a pulling rod 702 slidably connected in the interior of the square shell 701, and the pulling rod 702 is designed in an L shape, an elastic member four 703 elastically connected between the pulling rod 702 and the cabinet body 1, a steel wire rope 704 fixedly installed at the top end of the pulling rod 702, one end of the steel wire rope 704 extending to the interior of the cabinet body 1 and connected with the pushing block 502, limit grooves 8 arranged in the two sides of the interior of the square shell 701, and support blocks 9 fixedly installed on the surface of the pulling rod 702 and located in the limit grooves 8.

[0050] When the pushing block 502 moves, the steel wire rope 704 is pulled, the pulling rod 702 is pulled to retract into the interior of the square shell 701, the elastic member four 703 is compressed when the pulling rod 702 moves, the pulling rod 702 is designed in an L shape, and thus when the pulling rod 702 moves, the operation handle on the surface of the main switch 2 is pushed to rotate, and thus the entire device is powered off, through the design of the limit grooves 8 and the support blocks 9, when the pulling rod 702 moves, the support blocks 9 slide in the limit grooves 8, and since the surface of the support blocks 9 is attached to the inner wall of the limit grooves 8, the limit grooves 8 can limit the pulling rod 702 and the support blocks 9 when the support blocks 9 move.

[0051] As shown in Figure 4 and Figure 5As shown, the inside of the cabinet body 1 is fixedly provided with two positioning plates 10, and the two positioning plates 10 are designed to be horizontally symmetrical about the center of the push block 502, the sliding groove 304 is designed to be curved, and the surface of the ball 403 is designed to be smooth, and the inner wall of the sliding groove 304 is fully combined with the surface of the ball 403.

[0052] Through the design of the positioning plate 10, when the cabinet door 301 is inserted into the inside of the cabinet body 1, one side of the cabinet door 301 will be in contact with the surface of the positioning plate 10, and then the positioning plate 10 can position the cabinet door 301, so that the plug 305 accurately enters the inside of the cabinet door 301, and through the design of the sliding groove 304 and the ball 403, since the sliding groove 304 is designed to be curved, and the inner wall of the sliding groove 304 is fully combined with the surface of the ball 403, when the ball 403 moves, it will move along the curved direction of the sliding groove 304, so that the rotating block 302 can rotate, and the ball 403 is designed to be smooth, so that the movement of the ball 403 is more smooth.

[0053] As shown in Figure 4 and Figure 5 the inside of the cabinet body 1 is rotatably connected with a support ring 11, and the bottom end of the support ring 11 is fixedly connected with one end of the rotating block 302, the support ring 11 is designed to be T-shaped, one side of the plug 305 is designed to be inclined, and the surface of the plug 305 is combined with the inner wall of the cabinet door 301.

[0054] Through the design of the support ring 11, when the rotating block 302 rotates, the support ring 11 will rotate in the inside of the cabinet body 1, since the support ring 11 is designed to be T-shaped, the rotating support ring 11 can support and limit the rotating block 302, through the design of the plug 305, since one side of the plug 305 is designed to be inclined, the plug 305 can be conveniently inserted into the inside of the cabinet door 301, and the surface of the plug 305 is combined with the inner wall of the cabinet door 301, so that the stability of the cabinet door 301 can be ensured.

[0055] The working principle and use process of the present application are as follows:

[0056] First, the operator installs the equipment at the specified position, and when the equipment is working, a fire occurs, and the fire is large, the nylon rope 404 will be baked, and when the flame temperature is higher than the melting point of the nylon rope 404, the nylon rope 404 will be burned off, and when the nylon rope 404 is burned off, the compressed elastic member one 401 will push the sliding sleeve 402 to move, the sliding sleeve 402 will push the ball 403 to roll along the inside of the sliding groove 304, in the rolling process, the rotating block 302 and the threaded rod 303 will be rotated, when the threaded rod 303 rotates, the plug 305 will move out of the inside of the cabinet door 301, when the four plugs 305 are simultaneously away from the inside of the cabinet door 301, the compressed elastic member two 501 will push the push block 502, the push block 502 will push the cabinet door 301 out of the inside of the cabinet body 1;

[0057] When the pushing block 502 pushes the cabinet door 301 to move, the air inside the cabinet 1 is squeezed into the installation groove 601, and the flowing air pushes the sliding rod 602 and the elastic piece three 603 to move downward, the elastic piece three 603 squeezes the moving cabinet door 301, and the moving cabinet door 301 drives the grinding wheel 604 to rotate, so as not to interfere with the movement of the cabinet door 301, the grinding wheel 604 squeezes the cabinet door 301, so that the cabinet door 301 is not quickly separated outward when moving, and the cabinet door 301 is prevented from being quickly opened due to uneven force;

[0058] At the same time, when the pushing block 502 moves, the steel wire rope 704 is pulled, the steel wire rope 704 pulls the pull rod 702 to retract into the square shell 701, when the pull rod 702 moves, the elastic piece four 703 is compressed, and when the pull rod 702 moves, the operating handle on the surface of the total brake 2 is pushed to rotate, thereby powering off the entire device, thereby improving the safety protection level of the fire scene, and finally completing the operation process.

[0059] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0060] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the following claims and their equivalents.

Claims

1. A safe and reliable electricity metering box, comprising a cabinet and a main switch, characterized in that, Also includes: The fixing mechanism is located inside the cabinet; The fixing mechanism includes a cabinet door inserted into the cabinet body. The cabinet body has four rotating blocks inside. The top of each of the four rotating blocks is fixedly installed with four threaded rods. The surfaces of the four threaded rods are threaded with four inserts. The surfaces of the four threaded rods are provided with sliding grooves located inside the cabinet door. A triggering mechanism is located inside the cabinet and can drive the rotating block to rotate. The triggering mechanism includes an elastic element fixedly connected to the inside of the cabinet. One end of the elastic element is fixedly installed with a sliding sleeve located on the surface of the rotating block. The elastic element is in a compressed state. The sliding sleeve is rolled with a ball located inside the slide groove. There are four sliding sleeves, and they are arranged in pairs. The two sliding sleeves are connected by a nylon rope, and the nylon rope has high tensile strength. A pushing component is disposed inside the cabinet and can push the cabinet door out of the cabinet. The pushing component includes a pushing block slidably connected to the inside of the cabinet. The pushing block is elastically connected to the cabinet through an elastic element. The power-off mechanism is located inside the cabinet. The power-off mechanism includes a square shell fixedly connected to the inside of the cabinet. A pull rod is slidably connected inside the square shell. The pull rod is L-shaped and is elastically connected to the cabinet through an elastic element. A steel wire rope is fixedly installed at the top of the pull rod, and one end of the steel wire rope extends into the inside of the cabinet and is connected to a push block.

2. The safe and reliable electricity metering box according to claim 1, characterized in that, Also includes: A damping mechanism is provided inside the cabinet. The damping mechanism includes a mounting groove opened inside the cabinet. A sliding rod is slidably connected inside the mounting groove. The mounting groove and the sliding rod are elastically connected by an elastic element. A grinding wheel is rotatably connected inside the bottom end of the sliding rod.

3. The safe and reliable electricity metering box according to claim 1, characterized in that: The square shell has limit grooves on both sides inside, and the pull rod has support blocks fixedly installed on both sides inside the limit grooves.

4. The safe and reliable electricity metering box according to claim 1, characterized in that: The cabinet has two positioning plates fixedly installed inside, and the two positioning plates are designed to be symmetrical about the center of the push block.

5. The safe and reliable electricity metering box according to claim 1, characterized in that: The groove is curved, and the surface of the ball is smooth. The inner wall of the groove is fully in contact with the surface of the ball.

6. The safe and reliable electricity metering box according to claim 1, characterized in that: The cabinet is internally connected to a support ring, and the bottom end of the support ring is fixedly connected to one end of the rotating block. The support ring has a T-shaped design.

7. The safe and reliable electricity metering box according to claim 1, characterized in that: One side of the insert is designed with a bevel, and the surface of the insert fits against the inner wall of the cabinet door.

Citation Information

Patent Citations

  • Overheat self-opening type power distribution cabinet based on hot metal sheet

    CN111181021A