Modularized switch assembly for power cabinet

Abstract

The utility model provides a modularized switch assembly for a power cabinet, and belongs to the technical field of power distribution equipment. The problem that an existing switch assembly is inconvenient to assemble and disassemble is solved. The modular switch assembly for the power cabinet comprises a base shell, a cooling fan is connected to an inner cavity of the base shell through bolts, a ventilation opening is formed in the front side of the inner cavity of the base shell, a fixing frame is inserted into the front side of the base shell, and inserting seats are welded to the top and the bottom of the fixing frame and comprise fixing shells. A positioning pin is slidably connected to an inner cavity of the fixing shell in a penetrating mode, a pull rod and a positioning spring are fixedly connected to the outer side of the positioning pin, and a control switch is installed in an inner cavity of the fixing frame. The system can be installed and managed according to the installation modular design, is convenient to disassemble and replace, improves the maintenance convenience and the system flexibility, can rapidly dissipate heat, and is long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power distribution equipment technical field relates to a modular switch subassembly for power cabinet. BACKGROUND

[0002] The power cabinet is a kind of electrical control cabinet combination, and its main function is to provide power for the normal operation of the whole machine, and the modular switch subassembly refers to the switchgear, measuring instruments, protective appliances and auxiliary equipment in the power cabinet are assembled and managed according to modular design.

[0003] Through the retrieval, the announcement No. CN219534367U, name is a kind of power switch subassembly, it includes power switch subassembly main body, wiring port and adjusting column are arranged in power switch subassembly main body one end, through research analysis finds, the power switch subassembly is set with auxiliary adjusting structure, the elastic force of reset spring is used to push the lug into the inside of recess, to fix the position of adjusting knob, can prevent the loosening of adjusting knob after adjusting to a certain extent, improve applicability.

[0004] However, the power switch subassembly described above has the following defects to a certain extent: it needs to be installed separately during use, cannot be assembled according to modular design, so that the switch cannot be quickly disassembled and replaced, reduces the convenience of maintenance and the flexibility of system, and cannot quickly dissipate heat during high-power work, so that internal components work in high-temperature environment for a long time, accelerate aging and shorten service life. SUMMARY

[0005] The utility model aims at the above-mentioned problems existing in prior art, and provides a modular switch subassembly for power cabinet, which can be installed and managed according to modular design, is convenient to disassemble and replace, improves the convenience of maintenance and the flexibility of system, can quickly dissipate heat and prolong service life.

[0006] The utility model can be realized by the following technical scheme: a modular switch subassembly for power cabinet, including base shell, the inner chamber of base shell is connected with heat dissipation fan by bolt, the front side of the inner chamber of base shell is provided with ventilation opening, the front side of base shell is inserted with fixed frame, the top and bottom of fixed frame are all fused with the insertion seat of fixed frame, the insertion seat includes fixed shell, the inner chamber of fixed shell is connected with positioning pin penetratingly and slidingly, the outer side of positioning pin is fixedly connected with pull rod and positioning spring respectively, the inner chamber of fixed frame is installed with control switch.

[0007] The modular switch assembly for power cabinet is mainly provided with a base shell, a plug-in seat, a positioning slot, a fixing shell and a cooling fan, and can be installed and managed according to the modular installation design, is convenient to disassemble and replace, improves the maintenance convenience and system flexibility, can quickly dissipate heat, and prolongs the service life.

[0008] In the modular switch assembly for power cabinet, the front sides of the top and bottom of the base shell are provided with positioning slots, and the front side of the base shell is fixedly connected with a support transverse plate. In actual application, the support transverse plate can support and position the control switch, so that there is an air flow space between the control switch and the base shell to ensure that heat quickly flows to the outside.

[0009] In the modular switch assembly for power cabinet, the top and bottom of the base shell are fixedly connected with support frames, and the surface of the support frame is fixedly connected with a wiring board. In actual application, the wiring board can connect the control switch with the lines in the power cabinet.

[0010] In the modular switch assembly for power cabinet, the four corners of the front side of the base shell are provided with positioning holes, and the outer side of the pull rod is fixedly connected with a pull plate through the fixed shell. In actual application, the positioning holes can facilitate the installation and positioning of the base shell by passing through bolts, and the pull plate can make it easier for personnel to pull the pull rod.

[0011] In the modular switch assembly for power cabinet, the inner side of the positioning pin is provided with a chamfer, and the number of the positioning slots is several and arranged at equal intervals. In actual application, the chamfer can enable the positioning pin to be quickly inserted into the positioning slot.

[0012] In the modular switch assembly for power cabinet, the rear side of the base shell is provided with a rear cover plate through bolts, and the surface of the rear cover plate is embedded with a dust filter screen. In actual application, the dust filter screen can filter the dust and debris of the air outside, avoiding damage to the inside of the cooling fan.

[0013] Compared with the prior art, the modular switch assembly for power cabinet has the advantages that it can be installed and managed according to the modular installation design, is convenient to disassemble and replace, improves the maintenance convenience and system flexibility, can quickly dissipate heat, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axial side view of the modular switch assembly for power cabinet.

[0015] Figure 2 is the front view of the base shell of the modular switch assembly for the power cabinet.

[0016] Figure 3 is the left view of the plug-in seat of the modular switch assembly for the power cabinet.

[0017] Figure 4 is the rear view of the base shell of the modular switch assembly for the power cabinet.

[0018] In the figure: 1, base shell; 2, positioning hole; 3, control switch; 4, plug-in seat; 5, wiring board; 6, positioning slot; 7, support cross plate; 8, ventilation opening; 9, support frame; 10, fixed shell; 11, pull rod; 12, positioning spring; 13, positioning pin; 14, fixed frame; 15, cooling fan; 16, rear cover plate; 17, dustproof filter screen. DETAILED DESCRIPTION

[0019] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0020] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the modular switch assembly for the power cabinet comprises a base shell 1, the inner cavity of the base shell 1 is connected with a cooling fan 15 through a bolt, the front side of the inner cavity of the base shell 1 is provided with a ventilation opening 8, the front side of the base shell 1 is inserted with a fixed frame 14, the top and bottom of the fixed frame 14 are both welded with a plug-in seat 4, the plug-in seat 4 comprises a fixed shell 10, the inner cavity of the fixed shell 10 is connected with a positioning pin 13 through sliding, the outer side of the positioning pin 13 is respectively connected with a pull rod 11 and a positioning spring 12, and the inner cavity of the fixed frame 14 is installed with a control switch 3.

[0021] In actual manufacturing, the front side of the top and bottom of the base shell 1 is provided with a positioning slot 6, and the front side of the base shell 1 is fixedly connected with a support cross plate 7. The top and bottom of the base shell 1 are both fixedly connected with a support frame 9, and the surface of the support frame 9 is fixedly inserted with a wiring board 5.

[0022] The four corners of the front side of the base shell 1 are all provided with a positioning hole 2, the outer side of the pull rod 11 penetrates the fixed shell 10 and is fixedly connected with a pull plate. The inner side of the positioning pin 13 is provided with a chamfer, the number of the positioning slots 6 is several and is equidistantly arranged. The rear side of the base shell 1 is installed with a rear cover plate 16 through a bolt, and the surface of the rear cover plate 16 is embedded with a dustproof filter screen 17.

[0023] When in use, the base shell 1 is fixedly installed in the power cabinet and the switch is fixed on the surface of the base shell 1 to assemble, the front side of the base shell 1 is clamped between the upper and lower plug-in sockets 4 and pressed, when completely inserted, the positioning springs 12 on the upper and lower sides release the elastic force to push the positioning pins 13 on the upper and lower sides to be inserted into the positioning slots 6 on the upper and lower sides to install and position the control switch 3, so that the modular assembly can be carried out, when disassembling and replacing, the positioning pins 13 are pulled out of the positioning slots 6 by pulling the pull rods 11 on the upper and lower sides, and the control switch 3 is pulled forward to complete the disassembly, so that the operation is more convenient and fast, the maintenance convenience and system flexibility are improved, the heat dissipation fan 15 is externally connected with the power line and the controller, the heat dissipation fan 15 is controlled to be turned on during the working process of various switches, the heat dissipation fan 15 blows air to the surface of the control switch 3, so that the air circulation on the surface of the control switch 3 is accelerated, so that the heat on the surface of the control switch 3 is quickly taken away to quickly dissipate heat, so that the internal components work in a high temperature environment for a long time, and the service life is effectively prolonged.

[0024] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The specific embodiments described herein are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A modular switch assembly for a power cabinet, comprising a base housing (1), characterized in that: The inner cavity of the base shell (1) is connected to a cooling fan (15) by bolts. A ventilation opening (8) is provided on the front side of the inner cavity of the base shell (1). A fixing frame (14) is inserted into the front side of the base shell (1). A plug-in seat (4) is welded to the top and bottom of the fixing frame (14). The plug-in seat (4) includes a fixing shell (10). A positioning pin (13) is slidably connected through the inner cavity of the fixing shell (10). A pull rod (11) and a positioning spring (12) are fixedly connected to the outer side of the positioning pin (13). A control switch (3) is installed in the inner cavity of the fixing frame (14).

2. The modular switch assembly for a power cabinet according to claim 1, characterized in that: The base shell (1) has positioning slots (6) on the front side of both the top and bottom, and a support plate (7) is fixedly connected to the front side of the base shell (1).

3. A modular switch assembly for a power cabinet according to claim 1, characterized in that: The top and bottom of the base shell (1) are fixedly connected to a support frame (9), and a terminal block (5) is fixedly inserted through the surface of the support frame (9).

4. A modular switch assembly for a power cabinet according to claim 1, characterized in that: The base shell (1) has positioning holes (2) at the four corners on the front side, and the pull rod (11) passes through the fixed shell (10) and is fixedly connected to a pull plate.

5. A modular switch assembly for a power cabinet according to claim 2, characterized in that: The inner side of the positioning pin (13) is chamfered, and the number of positioning slots (6) is several and they are arranged at equal intervals.

6. A modular switch assembly for a power cabinet according to claim 1, characterized in that: The rear side of the base shell (1) is bolted to a rear cover plate (16), and a dust filter (17) is embedded in the surface of the rear cover plate (16).

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