CN210926756U - Safety electrical distribution box - Google Patents
Safety electrical distribution box Download PDFInfo
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- CN210926756U CN210926756U CN201922341181.5U CN201922341181U CN210926756U CN 210926756 U CN210926756 U CN 210926756U CN 201922341181 U CN201922341181 U CN 201922341181U CN 210926756 U CN210926756 U CN 210926756U
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- box
- travel switch
- box body
- distribution box
- electrical distribution
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Abstract
The utility model belongs to the technical field of electrical equipment, in particular to a safe electrical distribution box, which comprises a box body and a box door; the box door is movably connected with the box body; the box body is provided with heat dissipation holes; the device also comprises a travel switch, a fan, a power supply and a cylinder; the travel switch, the fan, the power supply and the air cylinder are all fixed inside the box body; the travel switch is a pressing travel switch; the fan, the power supply and the travel switch are positioned in the same loop; the cylinder is provided with a piston rod, the end part of the piston rod is contacted with the end part of the travel switch, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch; alcohol is filled in the cylinder. Compared with the prior art, this application can open the fan automatically and dispel the heat when the temperature in the block terminal is higher, can in time get rid of the heat in the block terminal, prevents that the block terminal from influencing the life of components and parts in the block terminal because of the high temperature.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, especially, relate to a safe type electrical distribution box.
Background
An electric distribution box is a device for distributing electric power to an area where the electric distribution box is located. The switch, the measuring instrument, the protective electric appliance and the auxiliary equipment are assembled in a closed or semi-closed metal cabinet, and the circuit can be switched on or off by a manual or automatic switch in normal operation.
The block terminal is at the during operation, if the high temperature in the block terminal, not only can influence the normal operating of block terminal, still can influence the life of the inside components and parts of block terminal. Therefore, when being installed, the distribution box can be installed at a cool place as much as possible so as to ensure that the distribution box has proper working temperature when working.
However, some distribution boxes are difficult to find in a shade place during installation because they are installed outdoors. Except this, some places are comparatively remote, and it is very inconvenient to patrol and examine, and in order that the block terminal not destroyed, can install it in the installation indoor when the installation, and the indoor ventilation environment of installation is usually not very good. Therefore, when the distribution box is used, the temperature in the distribution box is high when the distribution box is in use, the service life of components in the distribution box is further influenced, and in severe cases, accidents such as burning out of contacts of electric appliances can also occur.
Therefore, there is a need for a safety electrical distribution box that maintains proper operating temperature even when installed outdoors or in an installation that is not well ventilated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe type electric distribution box even install in the open air or ventilate not fine installation indoor, also can keep suitable operating temperature.
The utility model provides a basic scheme does:
the safety electric distribution box comprises a box body and a box door; the box door is movably connected with the box body; the box body is provided with heat dissipation holes;
the device also comprises a travel switch, a fan, a power supply and a cylinder; the travel switch, the fan, the power supply and the air cylinder are all fixed inside the box body; the travel switch is a pressing travel switch; the fan, the power supply and the travel switch are positioned in the same loop; the cylinder is provided with a piston rod, the end part of the piston rod is contacted with the end part of the travel switch, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch; alcohol is filled in the cylinder.
Basic scheme theory of operation and beneficial effect:
when the ambient temperature is normal, the block terminal is normal during operation, and the louvre on the quick-witted case can make the inside of block terminal keep ventilating, makes the inside operating temperature who keeps a suitable of block terminal.
When ambient temperature is higher, for example, the block terminal receives sunshine direct irradiation to produce high temperature, perhaps the block terminal is in the relatively poor installation indoor of ventilation condition in summer, and the inside temperature of block terminal can be higher. Along with the temperature rise in the distribution box, the alcohol vaporization speed in the cylinder is accelerated, the air pressure in the cylinder is enhanced, and the piston rod is pushed to slide outwards.
Because the end of the piston rod is contacted with the end of the travel switch, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch, the travel switch can be pressed when the piston rod slides outwards, and then the travel switch is closed, so that the loops of the travel switch, the power supply and the fan are conducted. The fan begins to rotate for the inside circulation of air of block terminal strengthens the heat dissipation. After the temperature in the distribution box is reduced, alcohol in the air cylinder is liquefied, the air pressure in the air cylinder is reduced, the piston rod is contracted, the travel switch is reset and disconnected, and the fan stops rotating.
Compared with the prior art, this application can open the fan automatically and dispel the heat when the temperature in the block terminal is higher, can in time get rid of the heat in the block terminal, prevents that the block terminal from influencing the life of components and parts in the block terminal because of the high temperature.
Further, there are a plurality of fans.
The ventilation effect in the case can be enhanced as compared with a single fan.
Furthermore, after being connected in parallel, the fans are connected with a power supply through a travel switch.
When a certain fan is out of order, other fans can still work normally.
Furthermore, a box cover is fixedly arranged at the top of the box body, and two sides of the box cover are lower than the middle.
If the block terminal is installed in the open air, during rainy, if the top ponding of block terminal, the rainwater can enter into inside the block terminal along the junction, and then causes the incident. According to the box cover, rainwater can flow down along the two downward sides of the box cover, water cannot be accumulated at the top of the distribution box, and potential safety hazards can be reduced.
Further, the length of the box cover is at least 5 cm longer than the length of the top surface of the box body, and the width of the box cover is 5 cm longer than the width of the top surface of the box body.
Like this, when the rainwater flowed down along the decurrent both sides of case lid, can not float on the lateral wall of box to can also play certain effect of sheltering from rain for the box.
Furthermore, a placing groove is fixedly arranged on the inner wall of the box body, and a drying agent is placed in the placing groove.
Because the inside electrical equipment that is of block terminal, if the inside moisture of box is overweight, can have the potential safety hazard. After the drying agent is placed, the interior of the box body can be kept in a dry environment, and potential safety hazards are reduced.
Further, the drying agent is an activated carbon bag.
The activated carbon bag is easy to obtain and install, can be dried in the sun after absorbing water, and can be repeatedly used.
Furthermore, the heat dissipation holes are formed in the side wall of the box body.
Compared with the top, the radiating holes are formed in the side wall, so that dust falling into the distribution box can be reduced.
Furthermore, the heat dissipation holes are of a shutter structure.
The heat dissipation holes adopting the shutter structure keep the internal ventilation of the distribution box and have the effects of rain prevention and dust prevention.
Furthermore, the blocking sheet is fixedly arranged on the outer wall of the box body above the heat dissipation holes.
The waterproof function can be further enhanced.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the safety type electrical distribution box of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is the structural schematic diagram of the second embodiment of the safety electrical distribution box of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the box body 1, the box door 2, the box cover 3, the air cylinder 4, the travel switch 5, the fan 6, the heat dissipation holes 7, the blocking pieces 8, the placing groove 9 and the handle 10.
As shown in fig. 1 and 2, the safety electrical distribution box comprises a box body 1, a box door 2, a box cover 3, a travel switch 5, a fan 6, a power supply and a cylinder 4.
The box body 1 is a hollow cuboid, and the box door 2 is rotatably connected with the box body 1 through a hinge. The case lid 3 welds at the top of box 1, and the both sides of case lid 3 are less than the centre, and the length of case lid 3 is longer 12 centimetres than the length of box 1 top surface, and the width of case lid 3 is longer 8 centimetres than the width of box 1 top surface.
If the block terminal is installed in the open air, when raining, the top of block terminal can ponding, and the rainwater can enter into inside the block terminal along the junction, and then causes the incident. According to the box cover 3, rainwater can flow down along the two downward sides of the box cover 3, water cannot be accumulated at the top of the distribution box, and potential safety hazards can be reduced.
Meanwhile, because the length and the width of the box cover 3 are respectively greater than the length and the width of the top of the box cover 3, when rainwater flows down along the two downward sides of the box cover 3, the rainwater cannot float on the side wall of the box body 1, and a certain rain shielding effect can be achieved for the box body 1.
Alcohol is filled in the cylinder 4; the cylinder 4 is provided with a piston rod, the end of the piston rod is contacted with the end of the travel switch 5, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch 5. In this embodiment, the cylinder 4 is made of glass.
Two rows of heat dissipation holes 7 are respectively formed in two sides of the box body 1, and the heat dissipation holes 7 are of a shutter structure. Two blocking pieces 8 are welded on the outer walls of two sides of the box body 1 respectively in a welding mode, and each blocking piece 8 is located above one row of heat dissipation holes 7.
The specific implementation process is as follows:
when ambient temperature is normal, the block terminal is normal during operation, and louvre 7 on the quick-witted case can make the inside of block terminal keep ventilating, makes the inside operating temperature who keeps a suitable of block terminal.
When ambient temperature is higher, for example, the block terminal receives sunshine direct irradiation to produce high temperature, perhaps the block terminal is in the relatively poor installation indoor of ventilation condition in summer, and the inside temperature of block terminal can be higher. Along with the temperature rise in the distribution box, the alcohol vaporization speed in the cylinder 4 is accelerated, the air pressure in the cylinder 4 is enhanced, and the piston rod is pushed to slide outwards.
Because the end of the piston rod is in contact with the end of the travel switch, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch 5, the piston rod presses the travel switch 5 when sliding outwards, and then the travel switch 5 is closed, so that the loops of the travel switch 5, the power supply and the fan 6 are conducted. Fan 6 begins to rotate for the inside circulation of air of block terminal strengthens the heat dissipation. When the temperature in the distribution box is reduced, the alcohol in the cylinder 4 is liquefied, the air pressure in the cylinder 4 is reduced, the piston rod is contracted, the travel switch 5 is reset and disconnected, and the fan 6 stops rotating.
Meanwhile, as the number of the fans 6 is five and the five fans 6 are connected in parallel, when a certain fan 6 breaks down, other fans 6 can still work as usual and continue to radiate heat inside the distribution box.
Compared with the prior art, this application can open fan 6 automatically and dispel the heat when the temperature in the block terminal is higher, can in time get rid of the heat in the block terminal, prevents that the block terminal from influencing the life of the components and parts in the block terminal because of the high temperature.
Example two
As shown in fig. 3, different from the first embodiment, a placing groove 9 is welded on the inner side wall of the box body 1, and a drying agent is placed in the placing groove 9, in this embodiment, the drying agent is an activated carbon bag.
Because the inside electrical equipment that is all of block terminal, if 1 inside moisture of box is overweight, can have the potential safety hazard. After the drying agent is placed, the interior of the box body 1 can be kept in a dry environment, and potential safety hazards are reduced. The activated carbon bag is easy to obtain and install, can be dried in the sun after absorbing water, and can be repeatedly used.
Except this, in this embodiment, the welding has handle 10 on the chamber door 2, sets up handle 10 after, can hold handle 10 and pull outward when opening the door, opens the door more handy.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The safety electric distribution box comprises a box body and a box door; the box door is movably connected with the box body; the box body is provided with heat dissipation holes; the method is characterized in that:
the device also comprises a travel switch, a fan, a power supply and a cylinder; the travel switch, the fan, the power supply and the air cylinder are all fixed inside the box body; the travel switch is a pressing travel switch; the fan, the power supply and the travel switch are positioned in the same loop; the cylinder is provided with a piston rod, the end part of the piston rod is contacted with the end part of the travel switch, and the sliding direction of the piston rod is consistent with the contraction direction of the travel switch; alcohol is filled in the cylinder.
2. The safety electrical distribution box of claim 1, wherein: the fan has a plurality.
3. The safety electrical distribution box of claim 2, wherein: the fans are connected in parallel and then are connected with a power supply through a travel switch.
4. The safety electrical distribution box of claim 3, wherein: the top of the box body is fixedly provided with a box cover, and two sides of the box cover are lower than the middle.
5. The safety electrical distribution box of claim 4, wherein: the length of the box cover is at least 5 cm longer than the length of the top surface of the box body, and the width of the box cover is 5 cm longer than the width of the top surface of the box body.
6. The safety electrical distribution box of claim 5, wherein: the inner wall of the box body is fixedly provided with a placing groove, and a drying agent is placed in the placing groove.
7. The safety electrical distribution box of claim 6, wherein: the desiccant is an activated carbon bag.
8. The safety electrical distribution box of claim 7, wherein: the heat dissipation holes are formed in the side wall of the box body.
9. The safety electrical distribution box of claim 8, wherein: the heat dissipation holes are of a shutter structure.
10. The safety electrical distribution box of claim 9, wherein: the blocking piece is fixedly arranged on the outer wall of the box body above the heat dissipation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922341181.5U CN210926756U (en) | 2019-12-23 | 2019-12-23 | Safety electrical distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922341181.5U CN210926756U (en) | 2019-12-23 | 2019-12-23 | Safety electrical distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926756U true CN210926756U (en) | 2020-07-03 |
Family
ID=71346826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922341181.5U Expired - Fee Related CN210926756U (en) | 2019-12-23 | 2019-12-23 | Safety electrical distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210926756U (en) |
-
2019
- 2019-12-23 CN CN201922341181.5U patent/CN210926756U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201223 |