CN215898321U - Flame-proof heat dissipation control box - Google Patents
Flame-proof heat dissipation control box Download PDFInfo
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- CN215898321U CN215898321U CN202122271130.7U CN202122271130U CN215898321U CN 215898321 U CN215898321 U CN 215898321U CN 202122271130 U CN202122271130 U CN 202122271130U CN 215898321 U CN215898321 U CN 215898321U
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Abstract
The utility model discloses a flameproof heat dissipation control box, and belongs to the technical field of control boxes. The flameproof heat dissipation control box comprises a flameproof shell and a control element, wherein the inner wall of the flameproof shell is a plane, the heating surface of the control element is tightly attached to the inner wall of the flameproof shell, a plurality of heat dissipation ribs are arranged on the outer side of the flameproof shell, a plurality of introducing device communicating joints are arranged at the bottom of the flameproof shell, and a first sealing washer is arranged between the introducing device communicating joints and the introducing device. The utility model has good heat dispersion and can meet the requirements of dust explosion prevention and gas explosion prevention.
Description
Technical Field
The utility model relates to the technical field of control boxes, in particular to an explosion-proof heat dissipation control box.
Background
With the progress of scientific technology, a great number of controller actuators manufactured by utilizing power electronic technology are used in an explosive environment, the devices are low in power consumption, small in size, high in efficiency and advanced in performance, and can well meet the requirements of intelligent manufacturing at present, but the elements are serious in heating and need cooling fins for temperature control, and when the controller actuators are applied to explosion-proof equipment, the problem of heating in a closed space is solved, and the benign temperature control is guaranteed to become a key design factor. In the present application environment, the requirements of dust explosion prevention and gas explosion prevention exist at the same time, and a special structure is also needed to meet the requirements of two types of explosion prevention structures.
Publication No. is CN 211267356U's patent document discloses a flame-proof type PLC switch board, including the switch board, the right side of switch board is equipped with the several relief valve, the left side of switch board is equipped with the lid, the right side fixedly connected with rubber pad of lid, the right side and the switch board of rubber pad are supported tightly, the top of switch board is equipped with fire extinguishing mechanism. This flame-proof type PLC switch board, it is explosion-proof effectual, the security is higher, this flame-proof type PLC switch board passes through the box body, the rubber ball, cooperation between nozzle stub and the lug, realized the twinkling of an eye of explosion, spill the temporal part at the switch board with the dry powder, avoid producing the conflagration because the explosion, prevent the loss and enlarge, the security has been improved, this flame-proof type PLC switch board, through the relief valve, the bolt, first support, the second support, cooperation between round bar and the threaded rod, when carrying out good fixed to the lid, can carry out the pressure release to the inside of switch board, the effect of protection has been played to switch board and lid. However, this utility model's flame-proof type switch board heat dispersion is not good.
Disclosure of Invention
In view of the above, the utility model provides the flameproof heat dissipation control box which has good heat dissipation performance and can meet the requirements of dust explosion prevention and gas explosion prevention, aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the flame-proof heat dissipation control box comprises a flame-proof shell and a control element, wherein the inner wall of the flame-proof shell is a plane, the heating surface of the control element is tightly attached to the inner wall of the flame-proof shell, a plurality of heat dissipation ribs are arranged on the outer side of the flame-proof shell, a plurality of introducing device communicating joints are arranged at the bottom of the flame-proof shell, and a first sealing gasket is arranged between the introducing device communicating joints and the introducing device.
Furthermore, the control element is fixedly attached to the inner wall of the flameproof shell through a plurality of first bolts, and the attaching surface is coated with heat-conducting silicone grease.
Furthermore, the flameproof housing comprises an upper housing and a bottom box, the upper housing and the bottom box are fixedly connected through a plurality of second bolts, and a second sealing gasket is arranged at the joint of the upper housing and the bottom box.
Furthermore, the heat dissipation rib and the communication joint of the leading-in device are welded on the flameproof shell in a friction welding mode.
Furthermore, the flameproof shell is of an integrally formed structure bent through a steel plate, and the bending position adopts a bending radius of 30 mm.
Compared with the prior art, the utility model has the following beneficial effects:
according to the flameproof heat dissipation control box disclosed by the utility model, the heating surface of the heating element is tightly attached to the flat inner wall of the flameproof shell, and the attaching surface is coated with the heat-conducting silicone grease, so that heat generated by the heating element is conducted to the flameproof shell as soon as possible, and the heat is dissipated through the plurality of heat dissipation ribs on the flameproof shell, and the temperature control in the control box is realized. In addition, through the structure, the wall thickness of the flameproof shell is reduced by 2mm compared with that of the original process, and the processing difficulty and cost of the flameproof shell are reduced.
According to the flameproof heat dissipation control box, the heat dissipation area of the housing of the flameproof box is increased by using the heat dissipation ribs, the structural strength is enhanced, the wall thickness of the main housing is reduced, the heat dissipation capability of the flameproof housing is enhanced to the maximum extent, the interior of the housing is milled flat and is tightly attached to the heating surface of the control element, the overall thermal resistance is reduced, and the sealing rings are added on the joint surfaces, so that the housing can meet the technical requirements of three aspects of gas explosion prevention, dust explosion prevention and full heat dissipation of the element.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1-control element, 2-heat dissipation rib, 3-lead-in device communicating joint, 4-lead-in device, 5-first sealing washer, 6-first bolt, 7-upper shell, 8-bottom box, 9-second bolt and 10-second sealing washer.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1, a flameproof heat dissipation control box comprises a flameproof shell and a control element 1, wherein the inner wall of the flameproof shell is a plane, the heating surface of the control element 1 is tightly attached to the inner wall of the flameproof shell, a plurality of heat dissipation ribs 2 are arranged on the outer side of the flameproof shell, a plurality of introducing device communicating joints 3 are arranged at the bottom of the flameproof shell, and a first sealing washer 5 is arranged between the introducing device communicating joints 3 and an introducing device 4.
The control element 1 is fixedly attached to the inner wall of the flameproof shell through four first bolts 6, and the attaching surface is coated with heat-conducting silicone grease.
The flameproof housing comprises an upper housing 7 and a bottom box 8, the upper housing 7 and the bottom box 8 are fixedly connected through four second bolts 9, and a second sealing washer 10 is arranged at the joint of the upper housing 7 and the bottom box 8.
And the heat dissipation ribs 2 and the leading-in device communicating joint 3 are welded on the flameproof shell in a friction welding mode.
According to the explosion-proof heat dissipation control box, by adopting the structure, the wall thickness of the explosion-proof shell is reduced by 2mm compared with that of the original process, the thermal resistance coefficient is reduced, and the heat dissipation capacity of the shell is enhanced; the heat dissipation ribs are used for compensating the strength loss after the thickness of the shell is reduced, and the original explosion-proof performance of the explosion-proof box is ensured; the effective heat dissipation area of the box body is increased by 5 times through the heat dissipation ribs, and the heat dissipation capacity is improved by 5 times under the condition of the same temperature difference; the heat dissipation ribs and the communication joints are welded by friction welding, so that the welding quality is improved, the stress deformation of the thin plate is reduced, the automation level of the process is improved, and the environmental pollution of the traditional process is reduced; the first sealing washer and the second sealing washer are used for enhancing the protection grade of the shell and reach the level above IP65 so as to meet the double-layer requirements of gas and dust explosion prevention of the integral explosion-proof box.
Example two
As shown in fig. 1, a flameproof heat dissipation control box comprises a flameproof shell and a control element 1, wherein the inner wall of the flameproof shell is a plane, the heating surface of the control element 1 is tightly attached to the inner wall of the flameproof shell, a plurality of heat dissipation ribs 2 are arranged on the outer side of the flameproof shell, a plurality of introducing device communicating joints 3 are arranged at the bottom of the flameproof shell, and a first sealing washer 5 is arranged between the introducing device communicating joints 3 and an introducing device 4.
The control element 1 is fixedly attached to the inner wall of the flameproof shell through four first bolts 6, and the attaching surface is coated with heat-conducting silicone grease.
The flameproof housing comprises an upper housing 7 and a bottom box 8, the upper housing 7 and the bottom box 8 are fixedly connected through six second bolts 9, and a second sealing washer 10 is arranged at the joint of the upper housing 7 and the bottom box 8.
And the heat dissipation ribs 2 and the leading-in device communicating joint 3 are welded on the flameproof shell in a friction welding mode.
The flameproof heat dissipation control box of the embodiment of the utility model is different from the first embodiment in that: the flameproof housing is of an integrally formed structure bent through a steel plate, and the bending position adopts a bending radius of 30 mm.
Specifically, the upper shell 7 and the bottom case 8 are respectively of an integrally formed structure bent through a steel plate, and the bent part adopts a bending radius of 30 mm.
In the embodiment of the utility model, the flameproof shell is obtained by bending, so that the pollution caused by cutting and welding in the traditional process is avoided, and the bending part adopts a bending radius of 30mm, so that the problem of overlarge stress at the corner is solved.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a flame proof heat dissipation control box, includes flame proof casing and control element, its characterized in that: the inner wall of the flameproof shell is a plane, the heating surface of the control element is tightly attached to the inner wall of the flameproof shell, a plurality of radiating ribs are arranged on the outer side of the flameproof shell, a plurality of introducing device communicating joints are arranged at the bottom of the flameproof shell, and a first sealing gasket is arranged between the introducing device communicating joints and the introducing device.
2. The flameproof heat dissipation control box of claim 1, characterized in that: the control element is fixedly attached to the inner wall of the flameproof shell through a plurality of first bolts, and the attaching surface is coated with heat-conducting silicone grease.
3. The flameproof heat dissipation control box of claim 1, characterized in that: the explosion-proof shell comprises an upper shell and a bottom box, the upper shell and the bottom box are fixedly connected through a plurality of second bolts, and a second sealing gasket is arranged at the joint of the upper shell and the bottom box.
4. The flameproof heat dissipation control box of claim 1, characterized in that: and the heat dissipation ribs and the communication joint of the leading-in device are welded on the flameproof shell in a friction welding mode.
5. The flameproof heat dissipation control box of claim 1, characterized in that: the flameproof housing is of an integrally formed structure bent through a steel plate, and the bending position adopts a bending radius of 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122271130.7U CN215898321U (en) | 2021-09-18 | 2021-09-18 | Flame-proof heat dissipation control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122271130.7U CN215898321U (en) | 2021-09-18 | 2021-09-18 | Flame-proof heat dissipation control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215898321U true CN215898321U (en) | 2022-02-22 |
Family
ID=80471458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122271130.7U Active CN215898321U (en) | 2021-09-18 | 2021-09-18 | Flame-proof heat dissipation control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215898321U (en) |
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2021
- 2021-09-18 CN CN202122271130.7U patent/CN215898321U/en active Active
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