CN210246066U - Heat dissipation block terminal - Google Patents
Heat dissipation block terminal Download PDFInfo
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- CN210246066U CN210246066U CN201920948389.0U CN201920948389U CN210246066U CN 210246066 U CN210246066 U CN 210246066U CN 201920948389 U CN201920948389 U CN 201920948389U CN 210246066 U CN210246066 U CN 210246066U
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- distribution box
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Abstract
A heat dissipation distribution box. The main electric components in solving current outdoor distribution box easily because of the problem of high temperature trouble. The method is characterized in that: the middle partition plate is arranged in the cavity and divides the cavity into a heat dissipation cavity and an installation cavity from top to bottom, the middle part of the heat dissipation cavity is provided with an axial flow fan, the top of the box body and the middle partition plate are both provided with first ventilation slot holes corresponding to the axial flow fan, and the bottom of the box body is also provided with a plurality of second ventilation slot holes; the top of the box body is also provided with a shielding plate, the shielding plate is connected with the top of the box body through a plurality of supporting rods, and the area of the shielding plate is larger than that of the top of the box body and covers the top of the box body; and the side walls of the left side and the right side of the box body are also provided with cooling water storage cavities. The cooling device has the advantages that two cooling modes of air cooling and water cooling are combined, the heat dissipation effect of the distribution box body and the inside of the distribution box is improved, the temperature in the distribution box is reduced as much as possible, and the faults caused by overheating of electrical components in the distribution box are avoided.
Description
Technical Field
The utility model relates to a block terminal, concretely relates to heat dissipation block terminal.
Background
The distribution box is a total circuit distribution box for all users. The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement.
Because the low-voltage electrical apparatus in the distribution box, it is made up of fuse, ac contactor, residual current action protector, capacitor and gauging table, etc., these low-voltage electrical apparatus are designed and made according to GB1497 "basic standard of low-voltage electrical apparatus", and make the corresponding regulation to their normal operating conditions, namely the upper limit of the ambient air temperature does not exceed 40 ℃; the average value of the ambient air temperature for 24h does not exceed 35 ℃; the lower limit of the ambient air temperature is not lower than-5 ℃ or-25 ℃.
The distribution box transformed by the rural power grid usually runs outdoors, not only can be directly irradiated by sunlight to generate high temperature, but also can generate heat during running, and particularly in high-temperature seasons in summer, the temperature in the distribution box is often higher than the upper limit of the air temperature, so that faults caused by overheating of electrical elements in the distribution box can occur.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a heat dissipation block terminal improves the radiating effect of block terminal, reduces as far as possible because of the incasement temperature, avoids the trouble that electrical components arouses because of overheated in the block terminal.
The utility model discloses the technical scheme who adopts: a heat dissipation distribution box comprises a box body, wherein a cavity with an opening on the front side is arranged on the box body, and an openable box door is arranged at the opening on the front side of the box body; the middle partition plate is arranged in the cavity and divides the cavity into a heat dissipation cavity and an installation cavity from top to bottom, the middle part of the heat dissipation cavity is provided with an axial flow fan, the top of the box body and the middle partition plate are both provided with first ventilation slot holes corresponding to the axial flow fan, and the bottom of the box body is also provided with a plurality of second ventilation slot holes; the top of the box body is also provided with a shielding plate, the shielding plate is connected with the top of the box body through a plurality of supporting rods, and the area of the shielding plate is larger than that of the top of the box body and covers the top of the box body; and the side walls of the left side and the right side of the box body are also provided with cooling water storage cavities.
The bottom of the box body is also provided with a plurality of radiating fins; the second ventilation slots are long and are sequentially arranged at intervals, and the heat dissipation fins are correspondingly arranged among the second ventilation slots.
The bottom of the box body is provided with supporting legs which are respectively arranged at the four corners of the bottom of the box body.
The cooling water storage chamber covers substantially the entire side wall of the tank body.
The cooling water storage cavity upper end opening, the shielding plate left and right sides is equipped with the crooked diversion edge of arc, the diversion edge is corresponding with the upper end opening of cooling water storage cavity.
And an overflow port is arranged on the side wall of the cooling water storage cavity close to the upper end.
The utility model has the advantages that: by adopting the scheme, the cooling effect of the distribution box body and the inside of the distribution box is improved by combining two cooling modes of air cooling and water cooling, the temperature in the distribution box is reduced as much as possible, and the faults caused by overheating of electrical components in the distribution box are avoided.
Drawings
Fig. 1 is the embodiment of the utility model provides a structural schematic diagram of heat dissipation block terminal.
Fig. 2 is the embodiment of the utility model provides a cross-sectional view of heat dissipation block terminal.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, a heat dissipation block terminal, includes box 1, chamber door 2, be equipped with positive open-ended cavity on the box 1, chamber door 2 is articulated with box 1 for open or close the cavity, be equipped with intermediate bottom 3 in the cavity, intermediate bottom 3 separates the cavity from top to bottom, and wherein 3 below intermediate bottom are installation cavity 12 for install low-voltage apparatus equipment, and 3 tops of intermediate bottom are heat dissipation cavity 11 for the installation exhaust fan carries out high temperature heat dissipation.
The exhaust fan adopts an axial flow fan 4 and is arranged in the middle of the heat dissipation cavity 11, the axial flow fan 4 comprises a casing, an impeller and a motor driving the impeller to rotate, the upper end and the lower end of the casing are fixedly connected with the top of the box body and the middle partition plate 3 through bolts, the top of the box body 1 and the middle partition plate 3 are also provided with first ventilation slot holes 13 corresponding to the axial flow fan 4, and the bottom of the box body 1 is also provided with a plurality of second ventilation slot holes 14.
When the internal temperature of the box body 1 is higher, the axial flow fan 4 can be opened, so that the air is driven to circulate from bottom to top, the heat in the box body 1 is taken away rapidly, the radiating effect is realized, and the fault of an electrical element caused by the overhigh internal temperature of the box body 1 is avoided.
Furthermore, a temperature control relay can be arranged so that the axial flow fan 4 can be automatically started when the temperature in the box reaches a certain value, and the heat is discharged to dissipate the heat of the box body.
The top of box 1 still is equipped with shielding plate 5, shielding plate 5 is connected with the top of box 1 through a plurality of bracing pieces 6, just shielding plate 5's area is greater than the top area of box 1 and covers the top of box 1, shielding plate 5 has the effect of sunshade rain, reduces the temperature rise that the direct solar radiation caused, and the rainwater enters into box 1 through first ventilation slotted hole 13 when avoiding raining simultaneously in, the protection power consumption safety.
Still be equipped with cooling water on the lateral wall of the left and right sides of box 1 and store chamber 7, cooling water stores the lateral wall that chamber 7 covered whole box 1 basically for cooling water and box 1 lateral wall keep in contact, and can take away a large amount of heats during the water evaporation, thereby further guarantee the radiating effect.
Wherein, the cooling water stores chamber 7 upper end opening, and the cooling water stores the position that the chamber 7 lateral wall is close to the upper end and is equipped with overflow mouth 71, the shielding plate 5 left and right sides is equipped with the crooked diversion of arc and follows 51, the diversion is corresponding along 51 and the upper end opening of cooling water storage chamber 7, and when raining, the diversion of shielding plate 5 both sides is followed 51 and can be stored water guide to the cooling water storage chamber 7 in, reduces artifical the interpolation.
The heat dissipation distribution box combines two cooling modes of air cooling and water cooling, improves the heat dissipation effect of the distribution box body and the inside of the distribution box, reduces the temperature in the distribution box as much as possible, and avoids the faults caused by overheating of electrical components in the distribution box.
In addition, the bottom of the box body 1 is also provided with a plurality of radiating fins 8; the second ventilation slots 14 are long and are sequentially arranged at intervals, the heat dissipation fins 8 are correspondingly arranged between the second ventilation slots 14, namely, gaps between adjacent heat dissipation fins 8 correspond to the second ventilation slots 14, the heat dissipation area can be greatly increased through the heat dissipation fins 8, and the heat dissipation effect is further improved.
The bottom of the box body 1 is further provided with supporting legs 9, the supporting legs 9 are respectively arranged at four corners of the bottom of the box body, the supporting legs 9 are higher than the radiating fins 8, and when the supporting legs 9 are used for supporting and placing, enough space is reserved at the bottom of the box body 1, the radiating fins 8 and the bottom, and air circulation is guaranteed.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (6)
1. A heat dissipation distribution box comprises a box body (1), wherein a cavity with an opening on the front side is formed in the box body (1), and an openable box door (2) is arranged at the opening on the front side of the box body (1);
the method is characterized in that: a middle partition plate (3) which divides the cavity into a heat dissipation cavity (11) and an installation cavity (12) from top to bottom is arranged in the cavity, an axial flow fan (4) is arranged in the middle of the heat dissipation cavity (11), first ventilation slot holes (13) corresponding to the axial flow fan (4) are formed in the top of the box body (1) and the middle partition plate (3), and a plurality of second ventilation slot holes (14) are formed in the bottom of the box body (1);
the top of the box body (1) is also provided with a shielding plate (5), the shielding plate (5) is connected with the top of the box body (1) through a plurality of supporting rods (6), and the area of the shielding plate (5) is larger than that of the top of the box body (1) and covers the top of the box body (1);
and the side walls of the left side and the right side of the box body (1) are also provided with cooling water storage cavities (7).
2. The heat dissipating power distribution box of claim 1, wherein: the bottom of the box body (1) is also provided with a plurality of radiating fins (8); the second ventilation slots (14) are long and are sequentially arranged at intervals, and the heat dissipation fins (8) are correspondingly arranged among the second ventilation slots (14).
3. The heat dissipating power distribution box of claim 2, wherein: supporting legs (9) are arranged at the bottom of the box body (1), and the supporting legs (9) are arranged at the four corners of the bottom of the box body respectively.
4. The heat dissipating power distribution box of claim 1, wherein: the cooling water storage chamber (7) covers substantially the entire side wall of the tank (1).
5. The heat dissipating power distribution box of claim 1, wherein: the cooling water storage cavity (7) upper end opening, the shielding plate (5) left and right sides is equipped with curved leading water along (51), leading water along (51) and the upper end opening of cooling water storage cavity (7) are corresponding.
6. The heat dissipating power distribution box of claim 5, wherein: an overflow port (71) is arranged on the side wall of the cooling water storage cavity (7) near the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948389.0U CN210246066U (en) | 2019-06-24 | 2019-06-24 | Heat dissipation block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948389.0U CN210246066U (en) | 2019-06-24 | 2019-06-24 | Heat dissipation block terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246066U true CN210246066U (en) | 2020-04-03 |
Family
ID=69987267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920948389.0U Active CN210246066U (en) | 2019-06-24 | 2019-06-24 | Heat dissipation block terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246066U (en) |
-
2019
- 2019-06-24 CN CN201920948389.0U patent/CN210246066U/en active Active
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