CN211126650U - Heat dissipation type block terminal - Google Patents
Heat dissipation type block terminal Download PDFInfo
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- CN211126650U CN211126650U CN202020147937.2U CN202020147937U CN211126650U CN 211126650 U CN211126650 U CN 211126650U CN 202020147937 U CN202020147937 U CN 202020147937U CN 211126650 U CN211126650 U CN 211126650U
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- heat dissipation
- drainage
- distribution box
- power distribution
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Abstract
The utility model discloses a heat dissipation type distribution box, which comprises a drainage unit, wherein the air outlet side of the drainage unit is provided with an inclined plane which forms an inclination angle with the vertical direction, and the upper side of the inclined plane is inclined towards the heat dissipation partition plate from the air outlet direction of the air outlet side of the drainage unit; a plurality of drainage strips are longitudinally arranged on the drainage unit, concave parts are arranged among the drainage strips, and drainage holes are formed in the drainage strips along the longitudinal direction; the heat dissipation holes, the vent holes, the drainage holes and the heat dissipation box are communicated to form an airflow channel; the utility model discloses an optimize the drainage structure, be formed with convection current disturbance space for electric elements gives off thermal region and can contact the lower warm air current in upper reaches, when having prolonged the thermal time of air current exchange, has improved the radiating efficiency.
Description
Technical Field
The utility model relates to a block terminal technical field, in particular to heat dissipation type block terminal.
Background
The electric box is formed by assembling switch equipment, measuring instruments, protective electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement. The circuit can be switched on or off by a manual or automatic switch in normal operation, and can be switched off or give an alarm by a protective electrical appliance in fault or abnormal operation, various parameters in operation can be displayed by a measuring instrument, some electrical parameters can be adjusted, and the deviation from the normal working state can be prompted or signaled, and the circuit is commonly used in various factories, buildings and substations. Because circuit board compact structure in the block terminal, capacitor, inductor etc. all can give off a large amount of heats on the circuit board, and the heat dissipation space is limited in the block terminal, and its heat dissipation is just more important, according to the needs of difference in the block terminal of different models, the mounted position of capacitor, inductor, the state is all inequality, therefore the position of the main source that generates heat is also uncertain, and block terminal inner space is limited, can't install big fan, therefore inner space overall arrangement, the heat dissipation is all crucial to the performance and the life of block terminal.
For solving the above-mentioned problem, chinese patent CN201920438739.9 discloses a block terminal of high-efficient heat dissipation type, including the distribution box, distribution box one side is equipped with the airtight door, one side of distribution box is equipped with the heat dissipation case, the top and the bottom of heat dissipation case all are equipped with the fan, the internal heat dissipation baffle that is equipped with of distribution box, the inner wall of distribution box is equipped with a plurality of drainage tubes, the one end of drainage tube extends to inside the cavity of heat dissipation case, be equipped with the ventilation hole on the heat dissipation baffle, the both sides that the distribution box inner wall is relative all are equipped with if do the louvre, the detachable connection in one side that the drainage tube was kept away from to the heat dissipation baffle is equipped with the heat dissipation frame, the frid structure of many types.
Among the above-mentioned patent document, the pipeline structure through the drainage tube carries out the drainage heat dissipation with ventilation hole direct contact, the drainage wind gets into in the block terminal, carry out the heat exchange with the heat that electric element distributed out, under equal pressure, promote the wind speed by the drainage tube, the air current after will carrying out the heat exchange distributes away from in the radiating hole, however, because the cold air current sinks under the hot motion of molecule, the hot air current can rise under the hot motion of molecule, under the influence of wind speed, near heat of heat dissipation frame is not abundant time and is carried out the temperature exchange with the cold air current contact, reunion is near heat dissipation frame, the effect and the radiating efficiency of heat exchange have been influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of low heat exchange rate and low heat dissipation rate existing in the prior art, providing a heat dissipation type distribution box, improving the heat dissipation rate while improving the heat exchange rate.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat dissipation type distribution box comprises a distribution box body, wherein one side of an opening of the distribution box body is rotatably connected with a closed door matched with the distribution box body through a hinge, a heat dissipation box is fixedly arranged on one side of the distribution box body, which is far away from the sealed door, the heat dissipation box is of a sealed cavity structure, the top and the bottom of the heat dissipation box are respectively provided with an air supply device, the inner wall of the power distribution box body is provided with a plate-shaped drainage unit, the air inlet side of the drainage unit is communicated with the inside of the cavity of the heat dissipation box, the inner wall of the power distribution box body is detachably connected with a heat dissipation clapboard matched with the drainage unit, the heat dissipation partition plate is provided with a ventilation hole which is matched and communicated with the air outlet side of the drainage unit, two opposite sides of the inner wall of the distribution box body are provided with a plurality of heat dissipation holes, the air outlet side of the heat dissipation partition plate is detachably connected with a heat dissipation frame for mounting an electric element; wherein the content of the first and second substances,
the air outlet side of the drainage unit is provided with an inclined plane which forms an inclination angle with the vertical direction, and the upper side of the inclined plane inclines towards the heat dissipation partition plate from the air outlet direction of the air outlet side of the drainage unit;
a plurality of drainage strips are longitudinally arranged on the drainage unit, concave parts are arranged among the drainage strips, and drainage holes are formed in the drainage strips along the longitudinal direction;
the heat dissipation holes, the ventilation holes, the drainage holes and the heat dissipation box are communicated to form an airflow channel.
Preferably, the drainage unit is provided with at least two air vents for covering and communicating with the heat dissipation partition plate.
Preferably, the inside of the drainage hole is provided with a tapered channel along the air outlet direction.
Preferably, a guide plate is arranged on the inner wall of the drainage hole.
Preferably, the guide plate is obliquely arranged along the air outlet direction.
Preferably, the air outlet end of the drainage hole extends out of the inclined plane to form a boss structure.
Preferably, the cross section of the recess is a trapezoidal groove structure.
Preferably, the heat dissipation frame is a slotted plate structure with a cross section in a shape like a Chinese character 'ji', and a plurality of mounting holes and ventilation through grooves are equally distributed on one side of the heat dissipation frame at equal intervals.
Preferably, the top and the bottom of the heat dissipation box are both provided with through holes, the inner walls of the through holes are both fixedly provided with air supply devices, each air supply device is a fan, and the fan is externally connected with a power supply through a wire.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an optimize the drainage structure, be formed with convection current disturbance space for electric elements gives off thermal region and can contact the lower warm air current in upper reaches, when having prolonged the thermal time of air current exchange, has improved the radiating efficiency.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a schematic diagram of the explosion structure of the present invention;
fig. 4 is a schematic perspective view of the drainage unit 9 of the present invention;
fig. 5 is an enlarged schematic structural view of a portion a of fig. 4 in the present invention;
fig. 6 is an enlarged schematic front view of fig. 5 according to the present invention;
FIG. 7 is a schematic view of the cross-section of the direction B-B of FIG. 6 according to the present invention;
fig. 8 is a schematic structural view of the middle heat dissipation frame 6 of the present invention.
Description of reference numerals:
1-distribution box body, 2-heat dissipation box, 3-sealed door, 4-heat dissipation partition plate, 5-ventilation hole, 6-heat dissipation frame, 7-heat dissipation hole, 8-fan, 9-drainage unit, 901-depression part, 902-drainage hole, 9021-tapered channel, 9022-guide plate, 903-drainage strip, 10-first mounting bolt, 11-second mounting bolt, 12-mounting nut, 13-connecting hole, 14-mounting hole and 15-ventilation through groove.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in figures 1 to 7, the heat dissipation type distribution box provided by the embodiment of the invention comprises a distribution box body 1, wherein an open side of the distribution box body 1 is provided with a closed door 3 matched with the open side through a hinge rotation connection, one side of the distribution box body 1 far away from the closed door 3 is fixedly provided with a heat dissipation box 2, the heat dissipation box 2 is of a closed cavity structure, the top and the bottom of the heat dissipation box 2 are respectively provided with an air supply device, the inner wall of the distribution box body 1 is provided with a plate-shaped drainage unit 9, the air inlet side of the drainage unit 9 is communicated with the inside of a cavity of the heat dissipation box 2, the inner wall of the distribution box body 1 is detachably connected with a heat dissipation partition plate 4 matched with the drainage unit 9, the heat dissipation partition plate 4 is provided with a ventilation hole 5 matched and communicated with the air outlet side of the drainage unit 9, and two opposite sides of the inner, the air outlet side of the heat dissipation partition plate 4 is detachably connected with a heat dissipation frame 6 for mounting electric elements; wherein the content of the first and second substances,
the air outlet side of the drainage unit 9 is provided with an inclined plane which forms an inclination angle with the vertical direction, and preferably, the upper side of the inclined plane inclines towards the heat dissipation partition plate 4 from the air outlet direction of the air outlet side of the drainage unit 9;
a plurality of drainage strips 903 are longitudinally arranged on the drainage unit 9, concave parts 901 are arranged among the drainage strips 903, and drainage holes 902 are arranged on the drainage strips 903 along the longitudinal direction;
the heat dissipation holes 7, the ventilation holes 5, the drainage holes 902 and the heat dissipation box 2 are communicated to form an airflow channel.
In the technical scheme, the upper side of the inclined plane extends towards the air outlet direction, so that the heat exchange area of the inclined plane and the air flow is increased, the resistance effect generated when the air flows are converged can also be increased, and the upstream cold air flow is transmitted to the hot air flow converged at the upper part more smoothly on the upper side of the inclined plane for heat exchange and heat dissipation.
Meanwhile, the arranged drainage holes 902 further realize directional drainage, and the arranged sunken parts 901 facilitate the accumulation of cold airflow from drainage, prolong the heat exchange time within a certain range under the condition of ensuring the wind speed, and realize the improvement of the heat dissipation efficiency and the heat exchange efficiency.
In specific implementation, the drainage unit 9 is provided with at least two air vents 5 for covering and communicating with the heat dissipation partition plate 4.
In specific implementation, the inside of the drainage hole 902 is provided with a tapered channel 9021 along the air outlet direction, so that the drainage speed can be further increased.
During specific implementation, a guide plate 9022 is arranged on the inner wall of the drainage hole 902, so that drainage speed is increased, accumulation of airflow is prevented, and further, the guide plate 9022 is preferably arranged in an inclined mode along the air outlet direction.
During specific implementation, the air outlet end of the drainage hole 902 extends out of the inclined plane to form a boss structure, and a corner is arranged between the boss structure and the inclined plane, so that stagnation of air flow at the corner is facilitated, and the heat exchange time is prolonged.
In specific implementation, the cross section of the concave portion 901 is a trapezoid groove structure, and the trapezoid structure has an integral angle, so that the heat exchange time can be prolonged to a certain extent, and the heat exchange efficiency is improved.
During specific implementation, heat dissipation frame 6 is the frid structure of several types of section, heat dissipation frame 6 one side equidistance is equallyd divide and is equipped with a plurality of mounting holes 14 and ventilative logical groove 15.
During specific implementation, the top and the bottom of the heat dissipation box 2 are both provided with through holes, the inner walls of the through holes are both fixedly provided with air supply devices, each air supply device is a fan 8, and the fans 8 are externally connected with a power supply through wires.
As shown in fig. 8, in the specific implementation, a first mounting bolt 10 is fixedly arranged on one side of the heat dissipation partition plate 4 far away from the drainage unit 9, a connecting hole 13 matched with the first mounting bolt 10 is arranged on the heat dissipation frame 6, a mounting nut 12 matched with the first mounting bolt is arranged at one end of the first mounting bolt 10, the heat dissipation frame 6 is detachably connected with the heat dissipation partition plate 4 through the first mounting bolt 10 and the mounting nut 12, the heat dissipation frame 6 is a slotted plate structure with a cross section in a shape like a Chinese character 'ji', and a plurality of mounting holes 14 and ventilation through grooves 15 are equidistantly and equally distributed on one side of the heat dissipation frame 6.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a heat dissipation type block terminal, includes distribution box body (1), its characterized in that: the power distribution box body is characterized in that one side of an opening of the power distribution box body (1) is rotatably connected with a closed door (3) matched with the power distribution box body through a hinge, one side of the power distribution box body (1) far away from the closed door (3) is fixedly provided with a heat dissipation box (2), the heat dissipation box (2) is of a closed cavity structure, the top and the bottom of the heat dissipation box (2) are respectively provided with an air supply device, the inner wall of the power distribution box body (1) is provided with a platy drainage unit (9), the air inlet side of the drainage unit (9) is communicated with the inside of a cavity of the heat dissipation box (2), the inner wall of the power distribution box body (1) is detachably connected with a heat dissipation partition plate (4) matched with the drainage unit (9), the heat dissipation partition plate (4) is provided with a ventilation hole (5) matched and communicated with the air outlet side of the drainage unit (9, the air outlet side of the heat dissipation partition plate (4) is detachably connected with a heat dissipation frame (6) for mounting electric elements; wherein the content of the first and second substances,
the air outlet side of the drainage unit (9) is provided with an inclined plane which forms an inclination angle with the vertical direction, and the upper side of the inclined plane inclines towards the heat dissipation partition plate (4) from the air outlet direction of the air outlet side of the drainage unit (9);
a plurality of drainage strips (903) are longitudinally arranged on the drainage unit (9), concave parts (901) are arranged between the drainage strips (903), and drainage holes (902) are formed in the drainage strips (903) along the longitudinal direction;
the heat dissipation holes (7), the ventilation holes (5), the drainage holes (902) and the heat dissipation box (2) are communicated to form an airflow channel.
2. The heat dissipating power distribution box of claim 1, wherein: the drainage unit (9) is provided with at least two air vents (5) which are used for covering and communicating the heat dissipation partition plate (4).
3. The heat dissipating power distribution box of claim 1, wherein: a tapered channel (9021) is arranged in the drainage hole (902) along the air outlet direction.
4. The heat dissipating power distribution box of claim 1, wherein: and a guide plate (9022) is arranged on the inner wall of the drainage hole (902).
5. The heat dissipating power distribution box of claim 4, wherein: the guide plate (9022) is obliquely arranged along the air outlet direction.
6. The heat dissipating power distribution box of claim 1, wherein: the air outlet end of the drainage hole (902) extends out of the inclined plane to form a boss structure.
7. The heat dissipating power distribution box of claim 1, wherein: the cross section of the concave part (901) is in a trapezoidal groove structure.
8. The heat dissipating power distribution box of claim 1, wherein: the heat dissipation frame (6) is of a groove plate structure with a cross section in a shape like a Chinese character 'ji', and a plurality of mounting holes (14) and ventilation through grooves (15) are uniformly distributed on one side of the heat dissipation frame (6) at equal intervals.
9. The heat dissipating power distribution box of claim 1, wherein: the heat dissipation box is characterized in that through holes are formed in the top and the bottom of the heat dissipation box (2), an air supply device is fixedly arranged on the inner wall of each through hole, each air supply device is a fan (8), and the fans (8) are externally connected with a power supply through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147937.2U CN211126650U (en) | 2020-01-30 | 2020-01-30 | Heat dissipation type block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147937.2U CN211126650U (en) | 2020-01-30 | 2020-01-30 | Heat dissipation type block terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211126650U true CN211126650U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020147937.2U Active CN211126650U (en) | 2020-01-30 | 2020-01-30 | Heat dissipation type block terminal |
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| Country | Link |
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| CN (1) | CN211126650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233482A (en) * | 2021-04-29 | 2022-03-25 | 无锡法雷奥汽车零配件***有限公司 | Electronic throttle valve and vehicle |
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2020
- 2020-01-30 CN CN202020147937.2U patent/CN211126650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233482A (en) * | 2021-04-29 | 2022-03-25 | 无锡法雷奥汽车零配件***有限公司 | Electronic throttle valve and vehicle |
| CN114233482B (en) * | 2021-04-29 | 2023-08-29 | 无锡法雷奥汽车零配件***有限公司 | Electronic throttle valve and vehicle |
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