CN219498641U

CN219498641U - Anti-disassembly electric cabinet structure

Info

Publication number: CN219498641U
Application number: CN202320434395.0U
Authority: CN
Inventors: 李宪超; 王宣恺; 薛伟伟
Original assignee: Anhui Taiwei Quantum Technology Co ltd
Current assignee: Anhui Taiwei Quantum Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-08
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses an anti-disassembly electric cabinet structure, which comprises a cabinet body, wherein the cabinet body is a closed cabinet body surrounded by panels in front, back, left, right, upper and lower directions, the panels in five directions are connected through connecting pieces hidden in the cabinet body to form an open cabinet body structure, and the panels in one direction are connected to an opening of the open cabinet body structure through anti-disassembly screws. The utility model has good shielding property, safety and dust resistance while considering the anti-disassembly performance.

Description

Anti-disassembly electric cabinet structure

Technical Field

The utility model relates to the field of cabinets, in particular to an anti-disassembly electric cabinet structure.

Background

The design of the electrical cabinet is an unavoidable component in the design of instruments and meters. In the design process of instruments, because the electrical components are electrified and are easy to be subjected to external electromagnetic interference, the components of the electrical parts are customarily isolated in a concentrated manner and are arranged independently.

The following aspects are important for the design of the electrical cabinet, such as disassembly resistance, safety, shielding and dust resistance. The existing electrical cabinet has the problem of easy disassembly, and it is difficult to ensure the disassembly resistance and simultaneously achieve shielding performance, safety and dust resistance. Therefore, on the premise of combining the above aspects, designing an electrical cabinet with high cost performance is a problem to be solved.

Disclosure of Invention

The utility model provides an anti-disassembly electric machine box structure, which solves the problems of the electric machine boxes in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an prevent tearing open electric machine case structure, includes the box, the box is the closed box that is enclosed by the panel of six orientation altogether in front, back, left and right, upper and lower, connects through the connecting piece between panel of one of them orientation and four adjacent panels respectively and forms uncovered box structure, the connecting point of connecting piece and corresponding panel all is located the box inside, and the sixth panel is through preventing tearing open screw connection in uncovered box structure's uncovered department, forms closed box from this.

Further, the connecting pieces are provided with four groups, each group of connecting pieces comprises an L-shaped bracket and a profile bracket, the L-shaped bracket comprises a vertical section and a horizontal section, and the profile bracket comprises an edge, a horizontal edge and a vertical edge which are connected with the edge; the four L-shaped brackets are respectively fixed on one surface of the front panel facing the inner side of the box body through vertical sections of the four L-shaped brackets, the four L-shaped brackets are distributed at four corners of the inner side surface of the front panel, the four L-shaped brackets are connected with the horizontal sections of the L-shaped brackets in a one-to-one correspondence manner through horizontal sides of the four L-shaped brackets, the horizontal sides of the adjacent section brackets in the vertical direction are opposite, the vertical sides of the adjacent section brackets in the horizontal direction are opposite, the horizontal sides of the adjacent section brackets in the vertical direction are respectively correspondingly connected with a panel in the upper direction and a panel in the lower direction, the vertical sides of the adjacent section brackets in the horizontal direction are respectively connected with a lateral panel, thus an open box body structure formed by five panels is obtained, only one edge surface of each section bracket in the open box body structure is exposed out of the open box body structure, and the panel between the adjacent section brackets shields a connection point between the section bracket and the corresponding panel, a connection point between the L-shaped bracket and the L-shaped bracket, and the connection point between the L-shaped bracket and the corresponding panel; the sixth panel covers the opening of the open box structure and is connected to the ends of the four section bar brackets through anti-disassembly screws, so that a closed box is formed.

Further, the outer surfaces of the panel and the connecting piece are provided with aluminum oxide layers.

Further, an EMI conductive foam is attached to a surface of each panel facing the inside of the case.

Further, the fire-retardant heat-conducting filling glue also comprises a circuit module arranged in the box body, wherein the circuit module comprises an insulating substrate, a circuit board arranged on the insulating substrate and fire-retardant heat-conducting filling glue which fills gaps between the insulating substrate and the circuit board and passes through the circuit board.

Further, still include the modularization wiring board, the modularization wiring board includes wiring port board and is fixed in the binding post on the wiring port board, the wiring port board is made for organic glass material, and the wiring port board is hugged closely and is set up in the interior face of panel of one of them direction, binding post wears out from corresponding panel.

Further, the outer surface of the wiring port plate is provided with an antistatic coating.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In the utility model, the connection points of the panel and the connecting piece are all inside the box body, and only the anti-disassembly screw is left to be exposed outside the box body, so that the box body can be opened only through the anti-disassembly screw after the assembly is finished, and the un-official disassembly peeping can be effectively avoided.

(2) In the utility model, the outer surfaces of the panel and the connecting piece are provided with the alumina layer, and the EMI conductive foam is attached on the inner panel surface of the panel, so that the shielding efficiency (the shielding efficiency is 60-85 dB [20 MHz-10 GHz ]) is enhanced on the premise of ensuring insulation (breakdown voltage is more than 2000V).

(3) In the utility model, the wiring terminals are arranged on the wiring port plate made of organic glass material, and the antistatic coating is arranged on the outer surface of the wiring port plate, so that each terminal is ensured to be independent, free from series connection and free from electrostatic interference, and the shielding property is further improved.

(4) According to the utility model, after the circuit board and the insulating board are assembled, flame-retardant heat-conducting filling glue is filled, under the premise of ensuring heat dissipation (the heat conductivity is 4.25W/mK), the possibility of spontaneous combustion caused by line faults can be effectively reduced, and the circuit is prevented from being influenced by dust and the service life of the element is prolonged due to the filling glue, so that the safety and the dust resistance are improved.

Drawings

Fig. 1 is an external view of an embodiment of the present utility model.

Fig. 2 is an exploded view of the structure of an embodiment of the present utility model.

FIG. 3 is a partial schematic view of the connection of panels by connectors in an embodiment of the utility model.

FIG. 4 is a schematic view of a panel structure according to an embodiment of the present utility model.

Fig. 5 is a schematic circuit block diagram of an embodiment of the present utility model.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the following detailed description will be given with reference to the accompanying drawings and examples, by which the technical means are applied to solve the technical problem, and the implementation process for achieving the corresponding technical effects can be fully understood and implemented. The embodiment of the utility model and the characteristics in the embodiment can be mutually combined on the premise of no conflict, and the formed technical scheme is within the protection scope of the utility model.

It will be apparent that the described embodiments are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present utility model and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, 2 and 3, the embodiment discloses an anti-disassembly electrical chassis structure, which comprises six panels in front, back, left, right, upper and lower directions, wherein the six panels are respectively used as a front panel 3, an upper cover plate 2, a bottom plate 8, a back panel 11, a left side plate 7 and a right side plate 16 of a chassis body; four connectors are also included, each comprising an L-shaped bracket 6 and a profile bracket 1, respectively.

The four L-shaped brackets 6 are respectively and fixedly connected to an inner plate surface of the front panel 3 facing the box body through the vertical sections of the four L-shaped brackets 6, and the four L-shaped brackets 6 are respectively positioned at four corners of the inner plate surface of the front panel 3. The horizontal sections of the upper two L-shaped brackets 6 are arranged at the upper part, the horizontal sections of the lower two L-shaped brackets 6 are arranged at the lower part, the upper L-shaped brackets 6 are bilaterally symmetrical, the lower L-shaped brackets 6 are bilaterally symmetrical, and the lateral L-shaped brackets 6 are vertically symmetrical.

Each section bar support 1 comprises an edge, a horizontal edge and a vertical edge, the horizontal edge and the vertical edge are connected to the edge, the four section bar supports 1 are in one-to-one correspondence with the four L-shaped supports 6, each section bar support 1 is fixedly connected to the horizontal section of the corresponding L-shaped support 6 through the front part of the horizontal edge of the section bar support 1, the horizontal edges of the two section bar supports 1 above are opposite left and right, the horizontal edges of the two section bar supports below are opposite left and right, and the vertical edges of the two section bar supports in the lateral direction are opposite up and down.

The upper cover plate 2 is fixedly connected between the horizontal edges of the two section bar brackets 1 above, and the horizontal edges of the two section bar brackets 1 above of the upper cover plate 2 deviate from one surface in the box body. The bottom plate 8 is fixedly connected between the horizontal edges of the two section bar brackets below, and the horizontal edges of the two section bar brackets below, which are positioned on the bottom plate 8, face away from the box body. The left side plate 7 is fixedly connected between the vertical edges of the two profile brackets on the left side, and the vertical edges of the two profile brackets on the left side of the left side plate 7 are positioned on one surface, deviating from the box body, of the two profile brackets. The right side plate 16 is fixedly connected between the vertical edges of the two profile brackets on the right side, and the vertical edges of the two profile brackets on the right side of the right side plate 16 face away from the surface in the box body. From this, enclose into the open box structure by upper cover plate 2, bottom plate 8, front panel 3, left side board 7, right side board 16, and every section bar support 1 only has the edge one side to expose outside the open box structure, upper cover plate 2 and corresponding section bar support tie point position are sheltered from by upper cover plate 2, bottom plate 8 and corresponding section bar support tie point position are sheltered from by bottom plate 8, left side board 7 and corresponding section bar support tie point position are sheltered from by left side board 7, right side board 16 and corresponding section bar support tie point position are sheltered from by right side board 16, front panel 3 and the tie point position of L type support 6 in the connecting piece, L type support 6 and section bar support 1 tie point position are sheltered from by upper cover plate 2, bottom plate 8, front panel 3, left side board 7, right side board 16. The open box structure is open only at the rear.

The rear panel 11 covers the rear opening of the open box structure, and the rear panel 11 is fixedly connected to the rear ends of the four profile brackets 1 through anti-dismantling screws 12. The upper cover plate 2, the bottom plate 8, the front panel 3, the rear panel 11, the left side plate 7 and the right side plate 16 thereby enclose a closed box. In the closed box, other connection points except the anti-dismantling screw 12 are hidden in the box.

As shown in fig. 4, in this embodiment, the surface of each panel (i.e., the front panel 3, the rear panel 11, the upper cover 2, the bottom panel 8, the left side panel 7, and the right side panel 16) is electroplated with an alumina plating 15, and EMI conductive foam 13 is respectively adhered to the inner panel surface of each panel facing the inside of the case.

In this embodiment, the case is further provided with a modular wiring board and a circuit module. Wherein:

the circuit module comprises an insulating substrate 9 and a circuit board 10 fixed on the insulating substrate 9, the circuit module is integrally arranged in the box, flame-retardant heat-conducting filling glue 14 is filled in gaps between the insulating substrate 9 and the circuit board 10, when the flame-retardant heat-conducting filling glue 14 is filled, the insulating substrate 9 and the circuit board 10 are placed in a die, the flame-retardant heat-conducting filling glue 14 is ensured to completely fill gaps between the insulating substrate 9 and the circuit board 10, the circuit board 10 is completely soaked in the premise of completely filling the gaps between the insulating substrate 9 and the circuit board 10, the height is 5-8 mm, the circuit board is covered by the flame-retardant heat-conducting filling glue 14, and only wires connected with the circuit board 10 are left to be connected with the outside.

The modular terminal block includes a terminal block 4 and a terminal block 5 secured to the terminal block 4. In this embodiment, the wiring port board 4 is tightly fixed to the inner surface of the front panel 3, and the wiring port board 4 is electrically connected to the circuit board 10. As shown in fig. 5, the wiring port plate 4 is made of an organic glass material (volume resistance 10 ¹⁵ Omega-cm) and the outer surface of the terminal block 4 is sprayed with an antistatic coating (surface resistance 10) ⁸ Ω). The connection terminals 5 are connected to conductors of a circuit board 10 in the circuit module. The EMI conductive foam 13 of the inner panel surface of the front panel 3 is attached to the inner side of the wiring terminal board 4, and the EMI conductive foam reserved gap of the front panel 3 is not more than 30mm.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the examples described herein are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. The individual technical features described in the above-described embodiments may be combined in any suitable manner without contradiction, and such combination should also be regarded as the disclosure of the present disclosure as long as it does not deviate from the idea of the present utility model. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

The present utility model is not limited to the specific details of the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the scope of the technical concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The utility model provides an prevent tearing open electric machine case structure, includes the box, its characterized in that, the box is the closed box that is enclosed by the panel of six orientation altogether in front, back, left and right, upper and lower, connects through the connecting piece respectively between panel and its adjacent four panels of one of them orientation and forms uncovered box structure, the connecting point of connecting piece and corresponding panel all is located the box inside, and the sixth panel is through preventing tearing open screw connection in uncovered department of uncovered box structure, forms the closed box from this.

2. The anti-disassembly electrical chassis structure according to claim 1, wherein the connectors comprise four groups, each group of connectors comprises an L-shaped bracket and a profile bracket, the L-shaped bracket comprises a vertical section and a horizontal section, and the profile bracket comprises an edge and a horizontal edge and a vertical edge connected with the edge; the four L-shaped brackets are respectively fixed on one surface of the front panel facing the inner side of the box body through vertical sections of the four L-shaped brackets, the four L-shaped brackets are distributed at four corners of the inner side surface of the front panel, the four L-shaped brackets are connected with the horizontal sections of the L-shaped brackets in a one-to-one correspondence manner through horizontal sides of the four L-shaped brackets, the horizontal sides of the adjacent section brackets in the vertical direction are opposite, the vertical sides of the adjacent section brackets in the horizontal direction are opposite, the horizontal sides of the adjacent section brackets in the vertical direction are respectively correspondingly connected with a panel in the upper direction and a panel in the lower direction, the vertical sides of the adjacent section brackets in the horizontal direction are respectively connected with a lateral panel, thus an open box body structure formed by five panels is obtained, only one edge surface of each section bracket in the open box body structure is exposed out of the open box body structure, and the panel between the adjacent section brackets shields a connection point between the section bracket and the corresponding panel, a connection point between the L-shaped bracket and the L-shaped bracket, and the connection point between the L-shaped bracket and the corresponding panel; the sixth panel covers the opening of the open box structure and is connected to the ends of the four section bar brackets through anti-disassembly screws, so that a closed box is formed.

3. The anti-disassembly electrical chassis structure of claim 1, wherein the outer surfaces of the panel and the connector each have an aluminum oxide layer.

4. The anti-disassembly electrical chassis structure of claim 1, wherein each panel has EMI conductive foam attached to a side facing into the chassis.

5. The structure of any one of claims 1-4, further comprising a circuit module disposed within the housing, the circuit module including an insulating substrate and a circuit board disposed on the insulating substrate, and a flame retardant, thermally conductive filler glue filling gaps between the insulating substrate and the circuit board and beyond the circuit board.

6. The anti-disassembly electrical chassis structure of any one of claims 1-4, further comprising a modular patch panel comprising a patch port panel and patch terminals secured to the patch port panel, the patch port panel being made of an organic glass material, the patch port panel being disposed adjacent to an interior panel surface in one of the directions, the patch terminals extending from the corresponding panel.

7. The anti-disassembly electrical chassis structure of claim 6, wherein the exterior surface of the terminal block has an antistatic coating.