Removable alternating current switch device
By designing the removable AC switch device as a detachable cabinet structure and using the building block-like splicing of the snap-on frame and limit blocks, the installation problem of the device in a small space is solved, convenient installation and flexible combination are achieved, and the installation complexity and cost are reduced.
Patent Information
- Application Number
- CN202422874896.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing removable AC switchgear cannot be installed in a small distribution room space or affects access channels. Large switch cabinets require multiple people and equipment to assist in installation, which increases complexity and cost.
The switch device is designed as a detachable cabinet structure. Each cabinet is assembled in a building block style through connecting components and fixing components. The snap-on frame, limit blocks and telescopic springs are used to achieve quick installation and disassembly, reducing dependence on lifting equipment.
It enables convenient installation in a small space, reduces installation complexity and cost, and improves installation flexibility and efficiency.
Smart Images

Figure CN223436851U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch device technical field more specifically, relate to a remove formula alternating current switch device. BACKGROUND
[0002] Remove formula alternating current switch device is a kind of electrical equipment, for controlling the current on-off in alternating current circuit, usually by switch mechanism and relevant connecting component composition, can protect circuit, avoid circuit from being damaged due to overload, short circuit, subway and so on fault.When fault occurs in circuit, the switch equipment will automatically trip, cut off circuit, prevent continuing to output current to the fault direction, plays a vital role in electrical system, it is crucial for ensuring the stable operation of power system, safety is crucial.
[0003] Chinese patent announcement No.CN219163949U discloses a kind of armored remove formula alternating current closed switch device, rain-sheltering subassembly can be directly covered in armored remove formula alternating current closed switch cabinet ontology using cover mechanism, need not change the structure of armored remove formula alternating current closed switch cabinet ontology, using retractable curtain and the door mechanism that can be pulled form a passage, so that personnel can enter retractable curtain from door panel when it rains outdoors, open cabinet door and operate armored remove formula alternating current closed switch cabinet ontology, it has good rainproof effect to people and to equipment.
[0004] Because the height of different power distribution room inside is not one, therefore when the space height of power distribution room is smaller, too high switch device will exceed the height of power distribution room inside, lead to unable to install or affect access passage, and larger switch cabinet needs more workers and equipment to install, including using hoisting equipment or other special tools, increase the complexity and cost of installation.
[0005] Therefore, it is necessary to provide a remove formula alternating current switch device to solve the above problems. UTILITY MODEL CONTENT
[0006] The utility model provides a remove formula alternating current switch device, can improve the switch device in relevant art that exceeds the height of power distribution room inside, lead to unable to install or affect access passage, larger switch cabinet needs more workers and equipment to install, including using hoisting equipment or other special tools, increase the complexity and cost of installation.
[0007] The embodiment of the application provides a movable AC switch device, which comprises two symmetrically arranged side plates, a top plate fixedly connected between the two side plates, and a bottom plate fixedly connected between the two side plates, wherein the two sides of the top plate are provided with connecting assemblies, and the two sides of the bottom plate are provided with fixing assemblies; the connecting assembly comprises a fixed plate, and two clamping frames are fixedly connected to the top end of the fixed plate; the clamping frame is arranged in the shape of an isosceles trapezoid; the fixing assembly comprises a fixing frame and a plurality of limiting blocks, and the bottom end of the limiting block is provided with an inclined surface; and the inclined surface at the bottom end of the limiting block is in abutment with the outer end of the clamping frame.
[0008] The technical scheme described above in the embodiment of the application has at least the following technical effects: the switch device is divided into cabinet bodies, the connecting assemblies are installed on the two sides of the top plate of each cabinet body, the fixing assemblies are installed on the two sides of the bottom plate, the clamping frame is inserted into the through hole on the fixing frame, and the two limiting blocks are inserted into the insertion slot on the clamping frame, so that quick installation is achieved; compared with a traditional integral switch device, the structure of the block type splicing is not only convenient to install in a narrow power distribution room, but also does not need hoisting equipment assistance, and is convenient to install.
[0009] In some embodiments, detachable ventilation back plates are connected between the two side plates, the outer end of the ventilation back plate is provided with a heat dissipation hole, and the bottom end of the bottom plate is provided with a mounting base through bolts.
[0010] In some embodiments, side mounting frames are installed on the side of each of the two side plates close to each other, a bottom mounting frame is installed on the top end of the bottom plate, and the outer end of one of the side plates is rotatably connected with a movable cabinet door.
[0011] In some embodiments, the fixed plate is fixedly connected to the outer end of the top plate, the inner side of the clamping frame is provided with an extrusion block, the two sides of the extrusion block are matched with the inner side walls of the clamping frame, and the extrusion block is in abutment with the limiting block.
[0012] In some embodiments, the top end of the extrusion block is fixedly connected with a connecting rod, the connecting rod penetrates through the top of the clamping frame and extends to the outside, and the top end of the connecting rod is fixedly connected with a pulling block.
[0013] In some embodiments, the fixing frame is fixedly connected to the outer end of the bottom plate, two through holes matched with the clamping frame are formed in the bottom end of the fixing frame, the clamping frame penetrates through the fixing frame, and insertion slots matched with the limiting blocks are formed in the two sides of the clamping frame.
[0014] In some embodiments, a plurality of housings are fixedly connected to the inner side of the fixing frame, a telescopic spring is arranged in the housing, the two ends of the telescopic spring are fixedly connected with the inner side wall of the housing and the limiting block respectively, and the limiting block is in sliding connection with the inner wall of the housing. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0016] Figure 1 It is the first overall structure schematic view of the utility model;
[0017] Figure 2 It is the second overall structure schematic view of the utility model;
[0018] Figure 3 It is the local enlarged structure schematic view of the utility model;
[0019] Figure 4 It is the top plate and bottom plate structure schematic view of the utility model;
[0020] Figure 5 It is the fixed assembly structure schematic view of the utility model;
[0021] Figure 6 It is the connecting assembly structure schematic view of the utility model.
[0022] Explanation of figure mark:
[0023] 1, side plate;
[0024] 2, movable cabinet door;
[0025] 3, top plate;
[0026] 4, bottom plate;
[0027] 5, ventilation back plate;
[0028] 6, mounting base;
[0029] 7, connecting assembly; 71, fixed plate; 72, clamping frame; 73, pulling block; 74, connecting rod; 75, extrusion block; 76, insertion slot;
[0030] 8, fixed assembly; 81, fixed frame; 82, shell; 83, limiting block; 84, extension spring;
[0031] 9, side mounting frame;
[0032] 10, bottom mounting frame. DETAILED DESCRIPTION
[0033] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application and not to limit the present application.
[0034] Based on this, the switch device exceeding the internal height of the power distribution room in the related art can be improved, which leads to the inability to install or affects the access channel. Meanwhile, large switch cabinets require more workers and equipment for installation, including the use of hoisting equipment or other special tools, which increases the complexity and cost of installation.
[0035] Please refer to Figures 1-6 The movable AC switch device comprises two symmetrically arranged side plates 1, a top plate 3 fixedly connected between the two side plates 1, and a bottom plate 4 fixedly connected between the two side plates 1. The two side plates 1 are provided with connecting assemblies 7 on both sides of the top plate 3, and the bottom plate 4 is provided with fixing assemblies 8 on both sides. The connecting assembly 7 comprises a fixed plate 71, and two clamping frames 72 are fixedly connected to the top end of the fixed plate 71. The clamping frame 72 is arranged in the shape of an isosceles trapezoid. The fixing assembly 8 comprises a fixed frame 81 and a plurality of limiting blocks 83. The bottom end of the limiting block 83 is provided with an inclined surface, and the inclined surface at the bottom end of the limiting block 83 abuts against the outer end of the clamping frame 72.
[0036] The two side plates 1 are detachably connected with a ventilation back plate 5. The ventilation back plate 5 is provided with a plurality of heat dissipation holes at the outer end. The bottom plate 4 is provided with a mounting base 6 at the bottom end through bolts.
[0037] The two side plates 1 are provided with side mounting frames 9 on the side close to each other. The bottom plate 4 is provided with a bottom mounting frame 10 at the top end. The outer end of one of the side plates 1 is rotatably connected with a movable cabinet door 2.
[0038] The single cabinet body in the present scheme is mainly composed of two side plates 1, a movable cabinet door 2, a top plate 3, a bottom plate 4 and a ventilation back plate 5. The two side plates 1 are symmetrically distributed. The top plate 3 and the bottom plate 4 are fixedly connected between the two side plates 1. The top plate 3 is located above the bottom plate 4. The ventilation back plate 5 is installed on the back. The ventilation back plate 5 can be detachably installed on the back of the cabinet body through buckles or bolts. The ventilation back plate 5 is provided with a plurality of heat dissipation holes. The internal heat can be dissipated through the installation of heat dissipation fans. When heat dissipation is not needed, the ventilation back plate 5 can be detached and replaced with a plate without heat dissipation holes.
[0039] By separating the movable AC switch device into individual cabinet bodies, connecting assemblies 7 are installed on both sides of the top plate 3 of each cabinet body, and fixing assemblies 8 are installed on both sides of the bottom plate 4. By inserting the clamping frame 72 into the through hole on the fixing frame 81, and inserting the two limiting blocks 83 into the insertion slot 76 on the clamping frame 72, quick installation can be completed. Compared with traditional integrated switch cabinets, the block-type splicing and combination structure not only facilitates installation in small power distribution rooms, but also eliminates the need for hoisting equipment assistance, reducing the number of auxiliary installation personnel and facilitating installation. Through the block-type installation method, the corresponding number of cabinet bodies can be connected according to user needs during installation and combination, improving the flexibility of use.
[0040] The installation base 6 is installed on the bottom plate 4 of the bottom cabinet body. The installation base 6 is fixed by bolts and can be easily removed and installed. The movable cabinet door 2 is rotatably installed on one of the side plates 1. The side mounting bracket 9 and the bottom mounting bracket 10 are also installed inside the cabinet. The side mounting bracket 9 is fixedly installed on the inner side of both side plates 1, while the bottom mounting bracket 10 is fixedly installed on the bottom plate 4. The side mounting bracket 9 and the bottom mounting bracket 10 are used to install corresponding electrical equipment inside the device, mainly composed of circuit breakers, protective relays, contactors, fuses, and control switches. Circuit breakers are used to control the on-off of the circuit to prevent overcurrent or short circuit and protect electrical equipment and systems from damage. Protective relays monitor circuit parameters such as current and voltage to trigger protective actions when faults occur, protecting equipment and systems. Fuses act as overcurrent protection devices that melt and cut off the current when an overload occurs in the circuit, protecting equipment from damage. Control switches are used for manual or automatic control of various electrical equipment and devices in the switch cabinet.
[0041] Optionally, in some embodiments, referring to Figures 4-6 , the fixed plate 71 is fixedly connected to the outer end of the top plate 3. The clamping frame 72 has an extrusion block 75 on the inner side. The extrusion block 75 is adapted to the inner side wall of the clamping frame 72 on both sides, and the extrusion block 75 abuts against the limiting block 83.
[0042] The extrusion block 75 has a connecting rod 74 fixedly connected to the top end. The connecting rod 74 penetrates through the top of the clamping frame 72 and extends to the outside. The connecting rod 74 has a pulling block 73 fixedly connected to the top end.
[0043] Both sides of the top plate 3 are fixedly connected to the fixed plate 71. The top of the fixed plate 71 is fixedly connected to two clamping frames 72. The clamping frame 72 is hollow inside and has an isosceles trapezoidal cross-section. Symmetrically distributed insertion slots 76 are formed on the two side slopes of the clamping frame 72. The connecting assembly 7 is mainly used for connection with the fixing assembly 8, so as to conveniently connect multiple cabinet bodies together.
[0044] Optionally, in some embodiments, referring toFigures 4-6 The fixed frame 81 is fixedly connected with the outer end of the bottom plate 4, two through holes matched with the clamping frame 72 are formed in the bottom end of the fixed frame 81, the clamping frame 72 penetrates the fixed frame 81, and the two sides of the clamping frame 72 are provided with the insertion slot 76 matched with the limiting block 83.
[0045] The fixed frame 81 is fixedly connected with the outer end of the bottom plate 4, two through holes matched with the clamping frame 72 are formed in the bottom end of the fixed frame 81, the clamping frame 72 penetrates the fixed frame 81, and the two sides of the clamping frame 72 are provided with the insertion slot 76 matched with the limiting block 83.
[0046] The fixed frame 81 is fixedly connected with the outer end of the bottom plate 4, two through holes matched with the clamping frame 72 are formed in the bottom end of the fixed frame 81, the clamping frame 72 penetrates the fixed frame 81, and the two sides of the clamping frame 72 are provided with the insertion slot 76 matched with the limiting block 83.
[0047] Meanwhile, the extrusion block 75 is arranged in the interior of the clamping frame 72, which is also isosceles trapezoidal, and its shape is consistent with the space at the top end of the interior of the clamping frame 72, that is, when the extrusion block 75 moves to the top end of the interior of the clamping frame 72, it can be closely attached to the inner wall, and the connecting rod 74 is fixed at the top end of the extrusion block 75, which extends to the top of the clamping frame 72 and fixes the pulling block 73, and by pulling the pulling block 73, the connecting rod 74 can drive the extrusion block 75 to move upwards, when the extrusion block 75 moves to the top end of the interior of the clamping frame 72, the extrusion block 75 on both sides will extrude the limiting block 83 outward, so that the limiting block 83 is retracted into the interior of the shell 82, so that the limiting block 83 is disengaged from the clamping of the insertion slot 76, thereby completing the disassembly of the connection between the connecting assembly 7 and the fixing assembly 8, and the disassembly can be completed by pulling the extrusion block 75 upwards, so that it is convenient to use.
[0048] Working principle: when the device is used for splicing, first of all, the installation base 6 needs to be installed on the ground, which can be fixed by bolts or pouring cement, then one of the cabinet bodies is locked with the installation base 6 by bolts, and then the multiple cabinet bodies can be stacked one by one, when the top plate 3 and the bottom plate 4 are attached, and the clamping frame 72 penetrates the through hole of the fixing frame 81, the two sides of the clamping frame 72 will first extrude the limiting block 83 inward, and while the limiting block 83 is retracted, the clamping frame 72 can continue to penetrate the through hole, and the limiting block 83 can be pushed into the interior of the insertion slot 76 by the action force of the extension spring 84, because the upward side of the limiting block 83 is a plane, therefore the clamping frame 72 will be clamped by the limiting block 83 through the insertion slot 76, thereby completing the quick connection and improving the convenience of installation.
[0049] When disassembly is needed, the extrusion block 75 is arranged in the interior of the clamping frame 72, by pulling the pulling block 73, the connecting rod 74 can drive the extrusion block 75 to move upwards, when the extrusion block 75 moves to the top end of the interior of the clamping frame 72, the extrusion block 75 on both sides will extrude the limiting block 83 outward, so that the limiting block 83 is retracted into the interior of the shell 82, so that the limiting block 83 is disengaged from the clamping of the insertion slot 76, thereby completing the disassembly of the connection between the connecting assembly 7 and the fixing assembly 8.
Claims
1. A removable AC switch device comprising two symmetrically arranged side plates (1), characterized in that: A top plate (3) is fixedly connected between the two side plates (1), and a bottom plate (4) is fixedly connected between the two side plates (1), connecting components (7) are provided on both sides of the top plate (3), and fixing components (8) are provided on both sides of the bottom plate (4); The connecting assembly (7) comprises a fixing plate (71), the top end of which is fixedly connected to two clamping frames (72), and the clamping frames (72) are arranged in an isosceles trapezoidal shape; The fixing assembly (8) comprises a fixing frame (81) and a plurality of limiting blocks (83), wherein the bottom ends of the limiting blocks (83) are provided with inclined surfaces, and the inclined surfaces at the bottom ends of the limiting blocks (83) abut against the outer ends of the clamping frame (72).
2. The removable AC switch device according to claim 1, characterized in that: A ventilation back plate (5) is detachably connected between the two side plates (1), a heat dissipation hole is provided at the outer end of the ventilation back plate (5), and a mounting base (6) is mounted on the bottom end of the bottom plate (4) via bolts.
3. The removable AC switch device according to claim 1, characterized in that: A side mounting frame (9) is installed on each side of the two side panels (1) close to each other, a bottom mounting frame (10) is installed on the top of the bottom panel (4), and a movable cabinet door (2) is rotatably connected to the outer end of one of the side panels (1).
4. The removable AC switch device according to claim 1, characterized in that: The fixing plate (71) is fixedly connected to the outer end of the top plate (3); an extrusion block (75) is provided on the inner side of the clamping frame (72); both sides of the extrusion block (75) are adapted to the inner side walls of the clamping frame (72), and the extrusion block (75) abuts against the limit block (83).
5. The removable AC switch device according to claim 4, characterized in that: The top of the extrusion block (75) is fixedly connected to a connecting rod (74), the connecting rod (74) passes through the top of the clamping frame (72) and extends to the outside, and the top of the connecting rod (74) is fixedly connected to a pulling block (73).
6. The removable AC switch device according to claim 1, characterized in that: The fixing frame (81) is fixedly connected to the outer end of the bottom plate (4); the bottom end of the fixing frame (81) is provided with two through holes adapted to the clamping frame (72); the clamping frame (72) passes through the fixing frame (81); and both sides of the clamping frame (72) are provided with slots (76) adapted to the limit blocks (83).
7. The removable AC switch device according to claim 6, characterized in that: A plurality of shells (82) are fixedly connected to the inner side of the fixing frame (81), and a telescopic spring (84) is provided inside the shell (82). The two ends of the telescopic spring (84) are respectively fixedly connected to the inner wall of the shell (82) and the limit block (83), and the limit block (83) is slidably connected to the inner wall of the shell (82).
Citation Information
Patent Citations
Armored removable AC enclosed switchgear
CN219163949U