CN218632968U - Flame-proof type electric control box - Google Patents
Flame-proof type electric control box Download PDFInfo
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- CN218632968U CN218632968U CN202222982105.4U CN202222982105U CN218632968U CN 218632968 U CN218632968 U CN 218632968U CN 202222982105 U CN202222982105 U CN 202222982105U CN 218632968 U CN218632968 U CN 218632968U
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- control box
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- coiled pipe
- liquid storage
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Abstract
The utility model provides a flame-proof type electrical control box, which comprises a control box body, wherein a back plate is arranged inside the control box body, a first coiled pipe and a second coiled pipe are arranged inside the back plate, a cooling liquid storage cavity is arranged at the inner bottom of the control box body, an outside-box heat dissipation pipe is arranged around the control box body, and heat dissipation fins are uniformly arranged on the outside-box heat dissipation pipe; the first coiled pipe and the second coiled pipe are respectively communicated with two ends of the heat dissipation pipe outside the tank, the first coiled pipe is communicated with the cooling liquid storage cavity through a variable frequency pump, and the second coiled pipe is communicated with the cooling liquid storage cavity; the utility model discloses a flow of coolant liquid dispels the heat with the radiating fin department in the heat transfer of backplate to the control box outside, promotes heat radiating area, increases heat transfer area, promotes heat transfer speed and efficiency.
Description
Technical Field
The utility model belongs to the technical field of the control box, concretely relates to flame-proof type electrical control box.
Background
The explosion-proof electric control box is widely used in equipment such as cranes, feeders, conveyors, winding machines, windlasses and the like and occasions such as braking during power failure (danger prevention). The explosion-proof electric control box is characterized in that a component capable of igniting an explosive mixture is enclosed in a shell, and the shell can bear the explosion pressure of the explosive mixture in the shell and prevent the explosive mixture around the shell from exploding. Because the inside enclosure space that is of control box, all components and parts are concentrated and are installed inside the box, and the difficult effluvium of heat in the operation process causes the inside high temperature of box easily, influences the safe operation of system.
In the prior art, as the chinese utility model patent document of the publication No. CN215956257U of granting, disclose a mining flame proof and safe type power supply box of essence, it has the heat conduction copper that sets up in the box inside, sets up and sets up radiating fin in the box outside, carries out the heat radiation structure who is connected through the heat dissipation copper post between heat conduction copper and the radiating fin, and it is inside and outside heat transfer area is limited, and heat exchange efficiency is not high, and heat exchange speed can not adjust according to inside temperature.
Therefore, an explosion-proof electrical control box which increases the heat exchange area and improves the heat exchange speed and efficiency needs to be designed to solve the technical problems faced at present.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides an increase heat transfer area, promote the flame-proof type electrical control box of heat transfer speed and efficiency.
The technical scheme of the utility model is that: the flame-proof type electrical control box comprises a control box body, wherein a back plate is arranged inside the control box body, a first coiled pipe and a second coiled pipe are arranged inside the back plate, a cooling liquid storage cavity is arranged at the inner bottom of the control box body, an outer box heat dissipation pipe is arranged around the control box body, and heat dissipation fins are uniformly arranged on the outer box heat dissipation pipe; the first coiled pipe and the second coiled pipe are respectively communicated with two ends of the heat dissipation pipe outside the tank, the first coiled pipe is communicated with the cooling liquid storage cavity through a variable frequency pump, and the second coiled pipe is communicated with the cooling liquid storage cavity.
One end of the first coiled pipe, which is far away from the heat dissipation pipe outside the tank, is connected with the output end of the variable frequency pump, and the input end of the variable frequency pump is connected with the cooling liquid storage cavity through a liquid inlet pipe; and a liquid discharge pipe is arranged at one end of the second coiled pipe, which is deviated from the heat dissipation pipe outside the tank, and the liquid discharge pipe is connected with the cooling liquid storage cavity.
The cooling liquid storage cavity is internally provided with a filter screen along the horizontal direction, the lower end of the liquid inlet pipe is positioned above the filter screen, and the lower end of the liquid discharge pipe is positioned below the filter screen.
The bottom of control box is provided with the blow off pipe that the chamber is linked together is stored to the coolant liquid, the lower extreme of blow off pipe can be dismantled fixedly and be provided with the blowdown apron.
The sewage draining cover plate is detachably and fixedly connected with the lower end of the sewage draining pipe through a bolt.
The side surface of the control box body is provided with a liquid supplementing hole communicated with the cooling liquid storage cavity above the filter screen
And the liquid supplementing hole is provided with a bolt.
The flame-proof type electric control box further comprises a controller and a temperature sensor, wherein the temperature sensor is arranged on the back plate, and the controller performs PID adjustment on the flow of the variable frequency pump according to the actual temperature of the back plate acquired by the temperature sensor.
The utility model has the advantages that: the utility model discloses in, electrical control components and parts are installed on the backplate in the control box, and the coolant liquid of intracavity portion is stored with the coolant liquid to the inverter pump in proper order the pump sending through first coiled pipe, the case outside heat dissipation pipe, the second coiled pipe to from the second coiled pipe backward flow to the coolant liquid store intracavity portion, through the flow of coolant liquid, dispel the heat with the heat transfer of backplate to the radiating fin department in the control box outside, promote heat radiating area, increase heat transfer area, promote heat transfer speed and efficiency.
Drawings
Fig. 1 is one of the structural schematic diagrams of the medium explosion-proof electrical control box of the present invention.
Fig. 2 is a second schematic structural diagram of the middle explosion-proof electrical control box of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 and 2, the flameproof electrical control box comprises a control box body 1, a back plate 2 is arranged inside the control box body 1, a first coiled pipe 3 and a second coiled pipe 4 are arranged inside the back plate 2, a cooling liquid storage cavity 5 is arranged at the inner bottom of the control box body 1, cooling liquid is stored inside the cooling liquid storage cavity 5, an outside-box heat dissipation pipe 14 is arranged around the control box body 1, heat dissipation fins 6 are uniformly arranged on the outside-box heat dissipation pipe 14, and one end of each heat dissipation fin 6 is fixedly connected with the control box body 1; the first coiled pipe 3 and the second coiled pipe 4 are respectively communicated with two ends of an external heat radiation pipe 14, the first coiled pipe 3 is communicated with the cooling liquid storage cavity 5 through a variable frequency pump 9, and the second coiled pipe 4 is communicated with the cooling liquid storage cavity 5; in this embodiment, electrical control components and parts are installed on backplate 2 in control box 1, the inside coolant liquid pump sending in proper order of frequency conversion pump 9 storage chamber 5 is through first coiled pipe 3 with the coolant liquid, case outside heat dissipation pipe 14, second coiled pipe 4, and from inside second coiled pipe 4 backward flow to coolant liquid storage chamber 5, flow through the coolant liquid, dispel the heat with the heat transfer of backplate 2 to the radiating fin 6 department in the control box 1 outside, promote heat radiating area, increase heat transfer area, promote heat transfer speed and efficiency.
In some embodiments, the end of the first serpentine pipe 3 away from the heat dissipation pipe 14 outside the tank is connected to the output end of the variable frequency pump 9, the input end of the variable frequency pump 9 is connected to the coolant storage chamber 5 through the liquid inlet pipe 8, and the variable frequency pump 9 pumps the coolant inside the coolant storage chamber 5 into the first serpentine pipe 3 through the liquid inlet pipe 8; a liquid discharge pipe 7 is arranged at one end of the second coiled pipe 4, which is deviated from the heat dissipation pipe 14 outside the tank, the liquid discharge pipe 7 is connected with the cooling liquid storage cavity 5, and the cooling liquid flowing back inside the second coiled pipe 4 flows back to the inside of the cooling liquid storage cavity 5 through the liquid discharge pipe 7.
In some embodiments, a filter screen 10 is disposed inside the cooling liquid storage cavity 5 along the horizontal direction, the lower end of the liquid inlet pipe 8 is located above the filter screen 10, the lower end of the liquid outlet pipe 7 is located below the filter screen 10, and impurities inside the returned cooling liquid can be filtered out of the bottom in the cooling liquid storage cavity 5 through the filter screen 10, so that the returned impurities are prevented from entering the cooling pipelines such as the first serpentine pipe 3, the second serpentine pipe 4, the out-of-box heat dissipation pipe 14 again to cause blockage of the cooling pipelines.
In some embodiments, a drain pipe 12 communicated with the cooling liquid storage cavity 5 is arranged at the bottom of the control box body 1, a drain cover plate 13 is detachably and fixedly arranged at the lower end of the drain pipe 12, and impurities filtered out from the backflow cooling liquid can be discharged by opening the drain cover plate 13; specifically, the blowdown cover plate 13 is detachably and fixedly connected with the lower end of the blowdown pipe 12 through a bolt.
In some embodiments, a liquid supplementing hole 11 communicated with the cooling liquid storage cavity above the filter screen 10 is formed in the side surface of the control box body 1, and cooling liquid can be supplemented into the cooling liquid storage cavity 5 through the liquid supplementing hole 11; specifically, a bolt is assembled on the fluid infusion hole 11, and the fluid infusion hole 11 is plugged through the bolt after fluid infusion is completed.
In some embodiments, the flameproof electrical control box further comprises a controller and a temperature sensor 15, the temperature sensor 15 is arranged on the back plate 2, and the controller performs PID adjustment on the flow of the variable frequency pump 9 according to the actual temperature of the back plate acquired by the temperature sensor 15, so that the power consumption of the variable frequency pump 9 is reduced.
Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A flame-proof type electrical control box comprises a control box body, wherein a back plate is arranged inside the control box body, and the flame-proof type electrical control box is characterized in that a first coiled pipe and a second coiled pipe are arranged inside the back plate;
the first coiled pipe and the second coiled pipe are respectively communicated with two ends of the heat dissipation pipe outside the box, the first coiled pipe is communicated with the cooling liquid storage cavity through a variable frequency pump, and the second coiled pipe is communicated with the cooling liquid storage cavity.
2. The flameproof electrical control box of claim 1, characterized in that: one end of the first coiled pipe, which is far away from the heat dissipation pipe outside the tank, is connected with the output end of the variable frequency pump, and the input end of the variable frequency pump is connected with the cooling liquid storage cavity through a liquid inlet pipe; and a liquid discharge pipe is arranged at one end of the second coiled pipe, which is deviated from the heat dissipation pipe outside the tank, and the liquid discharge pipe is connected with the cooling liquid storage cavity.
3. The flameproof electrical control box of claim 2, characterized in that: the inside of coolant liquid storage chamber is provided with the filter screen along the horizontal direction, the lower extreme of feed liquor pipe be located with the top of filter screen, the lower extreme of fluid-discharge tube be located with the below of filter screen.
4. The flameproof electrical control box of claim 3, characterized in that: the bottom of control box is provided with the blow off pipe that the chamber is linked together is stored to the coolant liquid, the lower extreme of blow off pipe can be dismantled fixedly and be provided with the blowdown apron.
5. The flameproof electrical control box of claim 4, characterized in that: the sewage draining cover plate is detachably and fixedly connected with the lower end of the sewage draining pipe through a bolt.
6. The flameproof electrical control box of claim 3, characterized in that: and a liquid supplementing hole communicated with the cooling liquid storage cavity above the filter screen is formed in the side surface of the control box body.
7. The flameproof electrical control box of claim 6, characterized in that: and the liquid supplementing hole is provided with a bolt.
8. The flameproof electrical control box of claim 1, characterized in that: the temperature sensor is arranged on the back plate, and the controller performs PID adjustment on the flow of the variable frequency pump according to the actual temperature of the back plate acquired by the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222982105.4U CN218632968U (en) | 2022-11-09 | 2022-11-09 | Flame-proof type electric control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222982105.4U CN218632968U (en) | 2022-11-09 | 2022-11-09 | Flame-proof type electric control box |
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| Publication Number | Publication Date |
|---|---|
| CN218632968U true CN218632968U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222982105.4U Active CN218632968U (en) | 2022-11-09 | 2022-11-09 | Flame-proof type electric control box |
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| CN (1) | CN218632968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470411A (en) * | 2023-04-03 | 2023-07-21 | 陈圣志 | Power distribution cabinet capable of actively controlling temperature field |
-
2022
- 2022-11-09 CN CN202222982105.4U patent/CN218632968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470411A (en) * | 2023-04-03 | 2023-07-21 | 陈圣志 | Power distribution cabinet capable of actively controlling temperature field |
| CN116470411B (en) * | 2023-04-03 | 2023-11-03 | 大庆市华尔通电控设备有限公司 | Power distribution cabinet capable of actively controlling temperature field |
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