CN211745109U - Heat dissipation device for electric box - Google Patents
Heat dissipation device for electric box Download PDFInfo
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- CN211745109U CN211745109U CN202020774436.7U CN202020774436U CN211745109U CN 211745109 U CN211745109 U CN 211745109U CN 202020774436 U CN202020774436 U CN 202020774436U CN 211745109 U CN211745109 U CN 211745109U
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- storage box
- box
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- magnetic sensor
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Abstract
The utility model relates to an electric box heat abstractor, including cold-storage box and magnetic sensor, magnetic sensor fixes at electric box lateral wall, and the perpendicular section of cold-storage box is hourglass shape, wholly is the platykurtic, and cold-storage box is inside to be equipped with phase change material and magnetism float. Compared with the prior art, the utility model adopts the phase-change material to absorb heat from the side wall of the electric box, and is easy to install; after phase change material absorbed the electric box heat, become liquid and flow to cold-storage box lower half, after magnetic float rose to being close cold-storage box waist, the action of magnetic sensor can take multiple counter-measures to magnetic sensor's response action, for example connect the alarm to and remind personnel to change cold-storage box in time, reduce maintenance work.
Description
Technical Field
The utility model relates to a heat abstractor especially relates to an electric box heat abstractor.
Background
The existing heat dissipation structures of electrical boxes are generally classified into the following:
1) the heat dissipation holes in the electric box main body and the blowing fan are used for forming convection, and heat dissipation is carried out by utilizing air flow. The disadvantages of this method are: gather the dust easily on the louvre, blow and can't effectively dispel the heat after the fan damages, be difficult to the investigation fan whether good operation, need open the electrical box and look over the behavior.
2) The heat dissipation pipe is connected with the electric box, and the heat dissipation is carried out by the heat dissipation pipe. The disadvantages of this method are: the structure is complex and the installation is not easy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric box heat abstractor of easy installation and maintenance in order to overcome the inconvenient defect of installation that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an electric box heat abstractor, includes cold storage box and magnetic sensor, magnetic sensor fix at electric box lateral wall, the perpendicular section of cold storage box be hourglass shape, wholly be the platykurtic, phase change material and magnetic float are equipped with to cold storage box inside, during the use, a vertical surface and the laminating of electric box lateral wall of cold storage box are connected, magnetic sensor is located cold storage box waist, solid-like phase change material is located cold storage box first, magnetic float is located cold storage box lower half, phase change material absorbs behind the electric box heat, becomes the liquid and flows to cold storage box lower half, rises to being close cold storage box waist when magnetic float after, magnetic sensor action.
One vertical surface of the cold storage box is attached to the outer side wall of the electric box through adhesive sticker.
The two magnetic sensors are respectively positioned at two sides of the cold storage box.
The one side of cold storage box and the laminating of electric box lateral wall be metal material, other parts are transparent material.
The magnetic floater is triangular.
Silica gel is wrapped outside the magnetic floater.
The magnetic floaters are provided in plurality.
The bottom of the cold storage box is provided with a base.
The base is provided with a level gauge.
The phase-change material is molten salt.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the phase-change material is adopted to absorb heat from the side wall of the electric box, so that the electric box is easy to install; after phase change material absorbed the electric box heat, become liquid and flow to cold-storage box lower half, after magnetic float rose to being close cold-storage box waist, the action of magnetic sensor can take multiple counter-measures to magnetic sensor's response action, for example connect the alarm to and remind personnel to change cold-storage box in time, reduce maintenance work.
(2) The number of the magnetic sensors and the magnetic floats is multiple, so that the reliability is improved.
(3) The surface of the cold storage box, which is attached to the outer side wall of the electric box, is made of a metal material, so that the heat transfer effect is good; the other part is transparent material, and the physical state of the phase change material can be observed by naked eyes.
(4) The magnetic floater is triangular and can stably float on the surface of the phase-change liquid.
(5) Silica gel is wrapped outside the magnetic floater, and the silica gel has good corrosion resistance.
(6) The bottom of the cold storage box is provided with a base, and the base is provided with a level gauge, so that the phase-change liquid is kept horizontal, and the identification accuracy of the magnetic sensor is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electrical box and a heat dissipation device in this embodiment 1;
fig. 2 is a schematic structural diagram of an electrical box and a heat dissipation device in this embodiment 1;
reference numerals:
1 is the outer side wall of the electrical box; 2 is a cold storage box; 3 is a base; 4 is a magnetic floater; and 5, a magnetic sensor.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1, an electric box heat abstractor, including cold storage box 2 and magnetic sensor 5, magnetic sensor 5 fixes at electric box lateral wall 1, the vertical section of cold storage box 2 is hourglass shape, wholly be the platykurtic, phase change material and magnetic float 4 are equipped with to cold storage box 2 is inside, in the use, a vertical surface and the laminating of electric box lateral wall 1 of cold storage box 2 are connected, magnetic sensor 5 is located cold storage box 2 waist, solid-like phase change material is located cold storage box 2 first, magnetic float 4 is located cold storage box 2 lower half, phase change material absorbs behind the electric box heat, become liquid and flow to cold storage box 2 lower half, after magnetic float 4 rises to and is close cold storage box 2 waist, magnetic sensor 5 moves.
One vertical surface of the cold storage box 2 is attached to the outer side wall 1 of the electric box through adhesive sticker.
The magnetic sensors 5 are provided in two numbers, respectively on both sides of the heat-storage box 2.
One side of the cold storage box 2, which is attached to the outer side wall 1 of the electrical box, is made of a metal material, and the other part of the cold storage box is made of a transparent material.
The magnetic floater 4 is triangular, and the triangle can not only float stably, but also is not easy to be blocked in the gap at the waist of the cold storage box 2.
Silica gel is wrapped outside the magnetic floater 4.
The magnetic floats 4 are provided in plurality, so that the reliability of identification is improved. The phase change material is molten salt.
Example 2
As shown in fig. 2, unlike embodiment 1, the heat storage box 2 is not attached to the outer side wall 1 of the electrical box entirely on the entire side surface, but is in a suspended state, and has a base 3 at the bottom and a level on the base 3.
Example 3
Different from embodiment 1, a vertical surface of the cold storage box 2 is magnetically attached to the outer side wall 1 of the electric box, and the cold storage box is required to be arranged under the condition of not influencing the internal electromagnetic field of the electric box, so that the cold storage box can be installed more conveniently.
Claims (10)
1. An electric box heat dissipation device is characterized by comprising a cold storage box (2) and a magnetic sensor (5), the magnetic sensor (5) is fixed on the outer side wall (1) of the electric box, the vertical section of the cold storage box (2) is hourglass-shaped, the whole cold storage box is flat, the phase-change material and the magnetic floater (4) are arranged in the cold storage box (2), when the magnetic sensor is used, one vertical surface of the cold storage box (2) is attached and connected with the outer side wall (1) of the electric box, the magnetic sensor (5) is positioned at the waist of the cold storage box (2), the solid phase-change material is positioned at the upper half part of the cold storage box (2), the magnetic floater (4) is positioned at the lower half part of the cold storage box (2), the phase-change material is changed into liquid to flow to the lower half part of the cold storage box (2) after absorbing the heat of the electric box, when the magnetic floater (4) rises to be close to the waist of the cold storage box (2), the magnetic sensor (5) acts.
2. The electrical box heat sink according to claim 1, wherein a vertical surface of the cold storage box (2) is attached to the outer sidewall (1) of the electrical box by an adhesive.
3. The electrical box heat sink according to claim 1, wherein two magnetic sensors (5) are provided, one on each side of the heat-storage box (2).
4. The electrical box heat sink according to claim 1, wherein the surface of the cold storage box (2) attached to the outer sidewall (1) of the electrical box is made of a metal material, and the other parts are made of a transparent material.
5. The electrical box heat sink according to claim 1, wherein the magnetic float (4) is triangular.
6. The electrical box heat sink according to claim 1, wherein the magnetic float (4) is wrapped with silicone.
7. The electrical box heat sink according to claim 1, wherein the magnetic float (4) is provided in plurality.
8. The electrical box heat sink according to claim 1, wherein the heat-storage box (2) has a base (3) at the bottom.
9. The electrical box heat sink according to claim 8, wherein the base (3) is provided with a level.
10. The electrical box heat sink of claim 1, wherein the phase change material is a molten salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774436.7U CN211745109U (en) | 2020-05-11 | 2020-05-11 | Heat dissipation device for electric box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774436.7U CN211745109U (en) | 2020-05-11 | 2020-05-11 | Heat dissipation device for electric box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211745109U true CN211745109U (en) | 2020-10-23 |
Family
ID=72852641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020774436.7U Active CN211745109U (en) | 2020-05-11 | 2020-05-11 | Heat dissipation device for electric box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211745109U (en) |
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2020
- 2020-05-11 CN CN202020774436.7U patent/CN211745109U/en active Active
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