CN110087436B - Heat dissipation electric cabinet - Google Patents
Heat dissipation electric cabinet Download PDFInfo
- Publication number
- CN110087436B CN110087436B CN201910156031.9A CN201910156031A CN110087436B CN 110087436 B CN110087436 B CN 110087436B CN 201910156031 A CN201910156031 A CN 201910156031A CN 110087436 B CN110087436 B CN 110087436B
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- Prior art keywords
- air outlet
- air
- electric cabinet
- heat dissipation
- dissipation electric
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/2019—Fan safe systems, e.g. mechanical devices for non stop cooling
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a heat dissipation electric cabinet, and belongs to the technical field of control. The heat dissipation electric cabinet comprises a box body, an air blower and four air outlet pipelines, wherein one ends of the four air outlet pipelines are arranged at four corners of the bottom surface of the box body, air blower blowing airflow flows in from one ends of the four air outlet pipelines and flows out from the other ends of the four air outlet pipelines, straight lines of projection positions of axes of the four air outlet pipelines in the box body on the bottom surface of the box body form a rectangular arrangement, so that eddy currents can be formed in the box body by the airflow flowing out from the other ends of the four air outlet pipelines, the eddy currents are influenced by heat to rise, and the heat inside the electric cabinet is taken away by the outflow. The opening of air-out pipeline is less, has reduced the possibility that the dust gets into the electric cabinet through air-out pipeline, avoids the dust to pile up the heat dissipation that influences the electric cabinet, and the air current that flows out in four air-out pipelines forms the vortex simultaneously and can cover most components inside the electric cabinet, guarantees the radiating effect in the electric cabinet, improves the safety in utilization of electric cabinet.
Description
Technical Field
The invention relates to the technical field of control, in particular to a heat dissipation electric cabinet.
Background
The electric control box is a core part used for controlling mechanical equipment in electric automation, various electrical components are contained in the electric control box, and various electronic components inside the electric control box can influence the normal work of the electronic components in the electric control box when working, if the temperature in the electric control box is too high, and even can lead to the situation that the electronic components in the electric control box are burnt out due to overheating.
The both ends of current electric cabinet are provided with air intake and air outlet usually to be provided with the air-blower at the air intake, the air-blower is blown the air current in the electric cabinet and is flowed to the air outlet in order to take away the heat in the electric cabinet by the air intake, guarantees the steady operation of electric cabinet. However, in this way, the air flow driven by the blower usually enters the electric cabinet only from the air inlet and flows out of the electric cabinet through the air outlet. Because the area of air intake can set up great, probably there is more dust to get into the electric cabinet by the air intake, and the dust is piled up and is leaded to the interior component heat of electric cabinet to be difficult to distribute, influences the safety in utilization of electric cabinet.
Disclosure of Invention
The embodiment of the invention provides a heat dissipation electric cabinet, which improves the use safety of the electric cabinet. The technical scheme is as follows:
the embodiment of the invention provides a heat dissipation electric cabinet which comprises a box body, an air blower and four air outlet pipelines, wherein the four air outlet pipelines are arranged in the box body, one ends of the four air outlet pipelines are arranged at four corners of the bottom surface of the box body, the air blower is arranged on the box body, the air blower is communicated with one ends of the four air outlet pipelines, straight lines on which the projection of the axes of the four air outlet pipelines on the bottom surface of the box body is positioned form a rectangle, the distances between the circle centers of the other ends of the four air outlet pipelines and the bottom surface of the box body are equal,
an air outlet is arranged on the top surface of the box body.
Optionally, the length of the air outlet pipeline is 3-8 cm.
Optionally, the distance between the circle center of the other end of each air outlet pipeline and the bottom surface of the box body is 2-5 cm.
Optionally, the heat dissipation electric cabinet further comprises four flow guiding units, the four flow guiding units are arranged on the bottom surface of the box body, the four flow guiding units correspond to the four air outlet pipelines one by one,
every the water conservancy diversion unit all includes connecting plate and guide plate, the connecting plate sets up on the bottom surface, just the connecting plate is located one side of air-out pipeline, one side of air-out pipeline does the axis of air-out pipeline with the one side that has great contained angle that the edge of bottom surface formed, the guide plate with the orientation that forms between the axis of air-out pipeline the contained angle of the opposite side of air-out pipeline is the obtuse angle.
Optionally, an included angle formed between the guide plate and the axis of the air outlet pipeline and facing the other side of the air outlet pipeline is a guide angle, and the guide angle is 90-160 °.
Optionally, an included angle between the connecting plate and the guide plate is an obtuse angle, and an included angle between the connecting plate and the guide plate is 90-160 °.
Optionally, a filter screen is arranged at the other end of the air outlet pipeline.
Optionally, four connecting pipelines are arranged at the air outlet of the air blower, and the four connecting pipelines are respectively communicated with one ends of the four air outlet pipelines.
Optionally, an exhaust fan is arranged on the air outlet.
Optionally, the heat dissipation electric cabinet further includes a control module, the control module includes a temperature sensor and a controller, the temperature sensor is disposed in the box and is configured to detect a temperature in the box, and the controller is configured to receive a signal of the temperature sensor and control start and stop of the blower according to the signal of the temperature sensor.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the heat dissipation electric cabinet comprises a box body, an air blower and four air outlet pipelines, wherein one ends of the four air outlet pipelines are arranged at four corners of the bottom surface of the box body in a one-to-one correspondence mode, air can be blown by the air blower communicated with one ends of the four air outlet pipelines to flow in from one ends of the four air outlet pipelines and flow out from the other ends of the four air outlet pipelines, straight lines of projection positions of axes of the four air outlet pipelines in the box body on the bottom surface of the box body form a rectangular arrangement, eddy currents can be formed in the box body by the air flows out from the other ends of the four air outlet pipelines, the eddy currents are influenced by heat to rise and flow out. In this kind of structure, the opening of air-out pipeline is less, has reduced the dust and has got into the possibility of electric cabinet through air-out pipeline, avoids the dust to pile up the heat dissipation that influences the heat dissipation electric cabinet, and the air current that flows forms the vortex in four air-out pipelines simultaneously can cover most components inside the electric cabinet, effectively guarantees the radiating effect in the electric cabinet, improves the safety in utilization of heat dissipation electric cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation electric cabinet according to an embodiment of the present invention;
fig. 2 is a top view of a heat dissipation electric cabinet according to an embodiment of the present invention;
FIG. 3 is a sectional view taken along line A of FIG. 1;
fig. 4 is a schematic view of the combination of the air guide unit and the air outlet duct according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a heat dissipation electric cabinet according to an embodiment of the present invention. As shown in fig. 1, the heat dissipation electric cabinet includes a box body 1, an air blower 2, and four air outlet pipes 3. Four air-out pipelines 3 set up in box 1, and the one end setting of four air-out pipelines 3 is in the four corners of the bottom surface 11 of box 1, and air-blower 2 sets up on box 1, and air-blower 2 communicates with the one end of four air-out pipelines 3.
Fig. 2 is a top view of the heat dissipation electric cabinet according to the embodiment of the present invention, fig. 3 is a sectional view taken along the direction a of fig. 1, and with reference to fig. 1 to 3, a straight line 31 where the projections of the axes 3a of the four air outlet ducts 3 on the bottom surface 11 of the box body 1 are located forms a rectangle B, and distances D between the circle centers of the other ends of the four air outlet ducts 3 and the bottom surface 11 of the box body 1 are all equal. An air outlet 13 is arranged on the top surface 12 of the box body 1.
Make the electric cabinet that dispels the heat include box 1, air-blower 2, four air-out pipeline 3, the one end one-to-one setting of four air-out pipeline 3 is on 11 four corners in the bottom surface of box 1, air-blower 2 with the one end intercommunication of four air-out pipeline 3 can be blown the air current and flowed in by the one end of four air-out pipeline 3 and flow out through the other end of four air-out pipeline 3, lie in box 1 and the straight line 31 of the projection place of the axis 3a of four air-out pipeline 3 on the bottom surface 11 of box 1 constitutes rectangular setting, make the air current that flows out by the other end of four air-out pipeline 3 can form the vortex in box 1, the vortex receives the heat influence to rise, flow out by air outlet 13. In this kind of structure, the opening of air-out pipeline 3 is less, has reduced the dust and has got into the possibility of electric cabinet through air-out pipeline 3, avoids the dust to pile up the heat dissipation that influences the heat dissipation electric cabinet, and the air current that flows forms the vortex in four air-out pipelines 3 simultaneously can cover the inside most component of heat dissipation electric cabinet, effectively guarantees the radiating effect in the electric cabinet, improves the safety in utilization of heat dissipation electric cabinet.
The top surface 12 of the case 1 is a surface parallel to the bottom surface 11.
As shown in fig. 1, the box body 1 may include a main body 14 and a box door 15, and the box door 15 is hinged to the main body 14, so as to facilitate the assembly and disassembly of the heat dissipation electric cabinet.
The box door 15 can be provided with a sealing strip to increase the sealing performance of the heat dissipation electric control box.
Alternatively, the ratio of the area of the rectangle B to the area of the bottom surface 11 of the case 1 may be 1:15 to 1: 2. The air flow flowing out of the four air outlet ducts 3 will now more easily form a vortex.
Exemplarily, the air outlet 13 may be provided with a ventilating fan 6. The vortex that exhaust fan 6 cooperation is risen will have thermal air to take out box 1 for the heat in the box 1 gives off efficiency, guarantees the safety in utilization of heat dissipation electric cabinet.
The rotation direction of the exhaust fan 6 is the same as the rotation direction of the vortex flow inside the case 1.
Optionally, the distance D between the circle center of the other end of each air outlet pipeline 3 and the bottom surface 11 of the box body 1 is 2-5 cm. The radiating effect of the radiating electric cabinet is better.
Illustratively, the length of the air outlet pipe 3 can be 3-8 cm. At the moment, the space occupied by the four air outlet pipelines 3 is small, the internal volume of the heat dissipation electric cabinet covered by the vortex formed by the airflow flowing out of the other ends of the four air outlet pipelines 3 is large, and the heat dissipation effect is good.
Illustratively, the diameter of the air outlet pipe 3 can be 2-5 cm. At the moment, the vortex is easy to form in the heat dissipation electric cabinet, and the heat dissipation efficiency of the heat dissipation electric cabinet can be improved.
Optionally, a filter screen 4 may be disposed on the other end of the air outlet duct 3. The arrangement of the filter screen 4 can further reduce the possibility that dust enters the heat dissipation electric cabinet, and the use safety of the heat dissipation electric cabinet is improved.
The blower 2 can be installed on the bottom surface 11 of the box body 1, and the space occupied by the blower 2 is reduced.
As shown in fig. 1, the heat dissipation electric cabinet may further include a control module 5, the control module 5 includes a temperature sensor 51 and a controller 52, the temperature sensor 51 is disposed in the box 1 and is configured to detect a temperature in the box 1, and the controller 52 is configured to receive a signal of the temperature sensor 51 and control start and stop of the blower 2 according to the signal of the temperature sensor 51. The control module 5 can improve the automation degree of the heat dissipation electric cabinet, and reduces the input and cost of manpower while not influencing the normal use of the heat dissipation electric cabinet.
The control module 5 may comprise at least two temperature sensors 51, and the at least two temperature sensors 51 are respectively distributed on four side walls of the box body 1, and this arrangement can perform good detection on the temperature in the box body 1.
In the structure shown in fig. 1, the temperature sensors 51 may be two, and the two temperature sensors 51 are respectively disposed on two opposite side walls of the case 1.
The controller 52 can be installed on the bottom surface 11 of the cabinet 1, reducing the space occupied by the controller 52.
With reference to fig. 1 and 2, the heat dissipation electric cabinet may further include four flow guiding units 7, the four flow guiding units 7 are disposed on the bottom surface 11 of the box body 1, and the four flow guiding units 7 correspond to the four air outlet pipes 3 one to one.
Fig. 4 is a schematic view of the matching between the air guiding units and the air outlet duct provided in the embodiment of the present invention, as shown in fig. 4, each air guiding unit 7 includes a connecting plate 71 and a guiding plate 72, the connecting plate 71 is disposed on the bottom surface 11, the connecting plate 71 is located on one side of the air outlet duct 3, one side of the air outlet duct 3 is a side where a projection of the axis 3a of the air outlet duct 3 on the bottom surface 11 forms a larger included angle α with an edge of the bottom surface 11, and an included angle β formed between the guiding plate 72 and the axis 3a of the air outlet duct 3 and facing the other side of the air outlet duct 3 is an obtuse angle. The arrangement of the guide plate 72 enables the air flow flowing out from the air outlet pipeline 3 to be blocked and dispersed by the guide plate 72, the flowing range of the air flow flowing out from the air outlet pipeline 3 is enlarged, and vortex flow is more easily formed in the box body 1. The flowing range of flowing air flow can be enlarged, and most heat in the heat dissipation electric control box can be taken away.
An included angle beta formed between the guide plate 72 and the axis 3a of the air outlet pipeline 3 and facing the other side of the air outlet pipeline 3 is a guide angle, and the guide angle beta is 90-160 degrees. At this moment, the guide plate 72 can better guide and disperse the airflow flowing out of the air outlet pipeline 3, and the heat dissipation effect of the heat dissipation electric cabinet is better.
As shown in fig. 4, an included angle θ between the connection plate 71 and the guide plate 72 may be an obtuse angle, and the included angle θ is 90 ° to 160 °. The radiating effect of the radiating electric cabinet is better.
The guiding unit 7 may further include a sealing plate 73, the sealing plate 73 is used for connecting the guiding plate 72 and the connecting plate 71, and the other end of the air outlet duct 3 is located in a space formed by the sealing plate 73, the connecting plate 71 and the guiding plate 72, such arrangement can better limit the flow direction of the air flow flowing out of the air outlet duct 3, and ensure the formation of the vortex and the effect of the vortex.
The air outlet 20 of the blower 2 can be provided with four connecting pipelines 21, and the four connecting pipelines 21 are respectively communicated with one ends of the four air outlet pipelines 3. During this kind of setting, the air current in four air-out pipelines 3 is blown by same air-blower 2, and the air current interact's among four air-out pipelines 3 effort is comparatively even, forms the vortex more easily.
Alternatively, the air outlet 20 of the blower 2 may be connected to one end of the four air outlet ducts 3 through a connecting pipe (not shown), and the lengths of the connecting pipes between the air outlet 20 of the blower 2 and one end of each air outlet duct 3 are all equal. At this time, the air flow entering each air outlet pipeline 3 through the blower 2 has the same time, and a vortex is more easily formed in the box body 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The heat dissipation electric cabinet is characterized by comprising a cabinet body (1), an air blower (2) and four air outlet pipelines (3), wherein the four air outlet pipelines (3) are arranged in the cabinet body (1), one ends of the four air outlet pipelines (3) are arranged at four corners of a bottom surface (11) of the cabinet body (1), the air blower (2) is arranged on the cabinet body (1), the air blower (2) is communicated with one ends of the four air outlet pipelines (3), straight lines of projection positions of axes of the four air outlet pipelines (3) on the bottom surface (11) of the cabinet body (1) form a rectangle (B), and distances (D) between circle centers of the other ends of the four air outlet pipelines (3) and the bottom surface (11) of the cabinet body (1) are equal,
an air outlet (13) is arranged on the top surface of the box body (1).
2. The heat dissipation electric cabinet according to claim 1, wherein the length of the air outlet pipeline (3) is 3-8 cm.
3. The heat dissipation electric cabinet according to claim 1, wherein a distance (D) between a circle center of the other end of each air outlet pipeline (3) and the bottom surface (11) of the box body (1) is 2-5 cm.
4. The heat dissipation electric cabinet according to any one of claims 1 to 3, wherein a filter screen (4) is arranged at the other end of the air outlet pipeline (3).
5. The heat dissipation electric cabinet according to any one of claims 1 to 3, further comprising a control module (5), wherein the control module (5) comprises a temperature sensor (51) and a controller (52), the temperature sensor (51) is disposed in the cabinet (1) and is configured to detect a temperature in the cabinet (1), and the controller (52) is configured to receive a signal of the temperature sensor (51) and control start and stop of the blower (2) according to the signal of the temperature sensor (51).
6. The heat dissipation electric cabinet according to any one of claims 1 to 3, wherein an exhaust fan (6) is arranged on the air outlet (13).
7. The heat dissipation electric cabinet according to any one of claims 1 to 3, further comprising four flow guiding units (7), wherein the four flow guiding units (7) are arranged on the bottom surface (11) of the box body (1), the four flow guiding units (7) correspond to the four air outlet pipelines (3) one by one,
every water conservancy diversion unit (7) all include connecting plate (71) and guide plate (72), connecting plate (71) set up on bottom surface (11), just connecting plate (71) are located one side of air-out pipeline (3), one side of air-out pipeline (3) does the axis of air-out pipeline (3) with the one side that has great contained angle that the edge of bottom surface (11) formed, guide plate (72) with the orientation that forms between the axis of air-out pipeline (3) the contained angle of the opposite side of air-out pipeline (3) is the obtuse angle.
8. The heat dissipation electric cabinet according to claim 7, wherein an included angle formed between the guide plate (72) and the axis of the air outlet duct (3) and facing the other side of the air outlet duct (3) is a guide angle (β), and the guide angle is 90 ° to 160 °.
9. The heat dissipation electric cabinet according to claim 7, wherein an included angle (θ) between the connection plate (71) and the guide plate (72) is an obtuse angle, and an included angle between the connection plate (71) and the guide plate (72) is 90 ° to 160 °.
10. The heat dissipation electric cabinet according to any one of claims 1 to 3, wherein four connecting pipes (21) are arranged at the air outlet (20) of the blower (2), and the four connecting pipes (21) are respectively communicated with one ends of the four air outlet pipes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156031.9A CN110087436B (en) | 2019-03-01 | 2019-03-01 | Heat dissipation electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156031.9A CN110087436B (en) | 2019-03-01 | 2019-03-01 | Heat dissipation electric cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110087436A CN110087436A (en) | 2019-08-02 |
| CN110087436B true CN110087436B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156031.9A Active CN110087436B (en) | 2019-03-01 | 2019-03-01 | Heat dissipation electric cabinet |
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| Country | Link |
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| CN (1) | CN110087436B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654208B (en) * | 2020-11-18 | 2022-07-29 | 武汉船用机械有限责任公司 | Security protection regulator cubicle with heat dissipation dehumidification function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530803A (en) * | 2016-02-02 | 2016-04-27 | 江苏万丰电气有限公司 | Electrical cabinet having multi-layer cooling air |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8029729B2 (en) * | 2005-09-28 | 2011-10-04 | Shinryo Corporation | Antigen exposure chamber system |
| CN207234222U (en) * | 2017-08-28 | 2018-04-13 | 李福成 | A kind of electromechanical distribution box of outdoor building |
| CN207282563U (en) * | 2017-09-22 | 2018-04-27 | 湖南海博瑞德电智控制技术有限公司 | A kind of energy content of battery bag with heat sinking function |
| CN109240364A (en) * | 2018-08-29 | 2019-01-18 | 武汉船用机械有限责任公司 | A kind of intelligent cooling electric cabinet and its control method |
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2019
- 2019-03-01 CN CN201910156031.9A patent/CN110087436B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530803A (en) * | 2016-02-02 | 2016-04-27 | 江苏万丰电气有限公司 | Electrical cabinet having multi-layer cooling air |
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| CN110087436A (en) | 2019-08-02 |
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