CN203442985U - Heat-dissipating device for controller of variable-frequency air conditioner - Google Patents
Heat-dissipating device for controller of variable-frequency air conditioner Download PDFInfo
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- CN203442985U CN203442985U CN201320450526.0U CN201320450526U CN203442985U CN 203442985 U CN203442985 U CN 203442985U CN 201320450526 U CN201320450526 U CN 201320450526U CN 203442985 U CN203442985 U CN 203442985U
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Abstract
The utility model provides a heat-dissipating device for a controller of a variable-frequency air conditioner, and the heat-dissipating device has a forced heat-dissipating function and a better heat-dissipating effect. The heat-dissipating device comprises an electric control box, a radiator, a PCB (Printed Circuit Board) and an electronic heating device, wherein an air duct of which the four sides are enclosed is arranged in the electric control box; an air inlet and an air outlet are formed at the two ends of the air duct; the radiator, the PCB and the electric heating device are arranged in the air duct; the radiator comprises a boss part, a base part and radiating fins; the PCB and the electronic heating device are arranged above the boss part. According to the heat-dissipating device, a negative-pressure space is formed at the air outlet of the electric control box through the running of an outdoor unit fan, and heat-dissipating air current is formed due to the air pressure difference between the air inlet and the air outlet in the air duct of the electric control box. The heat-dissipating air current is used for dissipating heat of the radiator, the PCB and the electronic heating device in the air duct and carrying the heat away. The heat-dissipating air current is external air with relatively low temperature from the side face of an outdoor unit but not high-temperature air current flowing through a heat exchanger, so that the heat-dissipating effect can be improved greatly.
Description
Technical field
The utility model relates to air-conditioning heat dissipation technical field, more specifically, relates to a kind of variable frequency air-conditioner controller heat abstractor.
Background technology
In prior art, the heat abstractor of general variable frequency air-conditioner controller is by radiator being placed in to the heat exchanging air duct of off-premises station, utilizes the air-flow that air-conditioner outdoor unit flows through heat exchanger to carry out heat exchange.Radiator is arranged on electric-controlled box outside, and the electric-controlled plate of electric-controlled box inside and electronic component are sealed in electric-controlled box, there is no the heater members in airflow passes electric-controlled box.When heat radiation requires the most serious refrigerating operaton, the air-flow that flows through heat exchanger is high temperature gas flow, is unfavorable for very much the heat radiation of radiator.
Application number is that 200520072693.1 patent discloses a kind of convertible frequency air-conditioner radiator, comprise pedestal and a plurality of fin being arranged in parallel to each other on pedestal, the rectangular triangle of profile of fin and with the angle of pedestal sidewall be 12 ~ 20 degree, curved being arranged on pedestal respectively, it is circular-arc that the hypotenuse of the right angled triangle of fin is evagination.During according to air-conditioning unit operation the actual flow of air stream when radiator to, adjusted the profile of fin, improving radiating effect.Yet this patent is utilized when refrigerating operaton remains the high temperature gas flow that flows through heat exchanger, the heating part in electric-controlled box still can not be dispelled the heat.
Application number is that 201020233454.0 patent discloses a kind of radiator for frequency conversion air-conditioner controller, described substrate has installation shallow slot, during assembling, the electronic devices such as rectifier bridge, diode and IPM are fixed on the installed surface of same radiator, radiator is positioned near fan, spacing distance between fin is preferably controlled at 2 ~ 3 times of fin thickness, is conducive to usefulness performance.Yet, the same high temperature gas flow that flows through heat exchanger that uses of this patent, the heating part in electric-controlled box can not be dispelled the heat.
Utility model content
The utility model is intended to solve the problems of the technologies described above at least to a certain extent.
The purpose of this utility model is to provide a kind of forced heat radiation function that has, and improves the variable frequency air-conditioner controller heat abstractor of radiating effect.
The utility model solves the technical scheme that its technical problem adopts: a kind of variable frequency air-conditioner controller heat abstractor, comprise electric-controlled box, radiator, pcb board and electronic heater members, in described electric-controlled box, be provided with circumferential closed air channel, the two ends in described air channel are provided with air inlet and air outlet, described radiator, pcb board and electronic heater members are located in air channel, described radiator comprises convex portion, base portion and radiating fin, and described pcb board and electronic heater members are located at convex portion top.
The utility model is when off-premises station moves, and due to the running of outdoor machine fan, the air outlet place of electric-controlled box forms a negative pressure space, in the air channel of electric-controlled box in due to the draught head formation radiating airflow between air inlet and air outlet.Radiating airflow dispels the heat to the radiator in air channel, pcb board and electronic heater members, takes away heat.Because radiating airflow is from the lower extraneous air of the relative temperature of off-premises station side, the high temperature gas flow after the heat exchanger of not flowing through, therefore can greatly improve radiating effect.
In one embodiment, bottom surface and the side in air channel is close in the bottom surface of described radiating fin and side, thereby effectively the flow direction of heat radiation air-flow is controlled, make all air-flows in air channel all pass through the radiating fin surface of radiator, effectively improving radiating effect.
In one embodiment, described air outlet place is provided with water bar, and dabbling of preventing from producing when fan because of air-conditioner outdoor unit from moving in the rainy day enters in electric-controlled box, guarantees the safety of device in electric-controlled box.Preferably, described water bar, to electric-controlled box direction bending certain angle, inwardly turns to air outlet, further strengthens the effect of splash-proof.
In one embodiment, the bottom surface in described air channel is provided with wind-guiding inclined-plane.By the guide function on wind-guiding inclined-plane, air flow energy near air channel bottom surface is changed and flow to, can optimize the effect of wind-guiding, the air flow energy after break-in is got near the base portion that reaches radiator, the radiating effect in the hot spot of strong radiator.
In one embodiment, described radiator is provided with sealing baffle.Sealing baffle, for cutting off the flow leakage causing because the gap of electronic heater members generation is installed between radiator and pcb board, allows whole air-flows all pass through the radiating fin of radiator, improves radiating effect.Wherein sealing baffle can horizontal positioned, also can vertically place; Can be placed on the rear end of radiator, also can be placed on the front end of radiator.
In a preferred embodiment, the width of described convex portion and the installed surface width of electronic heater members match.Due to convex, portion is thicker, possesses good heat accumulation function, can promote the radiating effect for the peak value heating of electronic heater members moment.The more important thing is effective setting height(from bottom) that has improved the electronic component that is positioned at the pcb board position that radiator base portion is corresponding, make it increase the height of a convex portion, thereby be convenient to have the installation nearby of the electronic component of certain altitude requirement, improved the antijamming capability of this partial circuit.More preferably, while there is no high electronic component in the region of pcb board at radiator, for improving the width of the convex portion of radiator, increase the thermal capacity of convex portion, the convex portion of described radiator and base portion can also keep width to equate.
In a preferred embodiment, described radiating fin is linear fin or Wavelike finned.Wherein linear fin is more often used, and the Wavelike finned complicated processing of need to carrying out is compared the surface area that linear fin can effectively promote fin, simultaneously because wave-like has promoted radiating effect for the retardation of air-flow.More preferably, the direction of described radiating fin and air channel at an angle, effectively utilize the plane space of radiator, and the object that increases flow-disturbing is realized in the position that compression screw is shared, further enhance heat effect.
In a preferred embodiment, described pcb board is provided with control element, and described control element adopts back-off mounting means be located at the below of pcb board and be suspended in described passage, thereby control element can be taken away heat by radiating airflow.
The beneficial effects of the utility model are: the utility model is when off-premises station moves, running due to outdoor machine fan, the air outlet place of electric-controlled box forms a negative pressure space, in the air channel of electric-controlled box in due to the draught head formation radiating airflow between air inlet and air outlet.Radiating airflow dispels the heat to the radiator in air channel, pcb board and electronic heater members, takes away heat.Because radiating airflow is from the lower extraneous air of the relative temperature of off-premises station side, the high temperature gas flow after the heat exchanger of not flowing through, therefore can greatly improve radiating effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of radiator in the utility model embodiment 1.
Fig. 3 is the structural representation of radiating fin in the utility model embodiment 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Fig. 5 is the structural representation of radiating fin in the utility model embodiment 2.
Fig. 6 is the structural representation of radiating fin in the utility model embodiment 3.
Fig. 7 is the structural representation of radiating fin in the utility model embodiment 4.
Accompanying drawing, only for exemplary illustration, can not be interpreted as restriction of the present utility model; For better explanation embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing some known configurations and explanation thereof may to omit be understandable.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of variable frequency air-conditioner controller heat abstractor 100 of the present utility model, comprise electric-controlled box 101, radiator 102, pcb board 103 and electronic heater members 104, in described electric-controlled box 101, be provided with circumferential closed air channel 105, the two ends in described air channel 105 are provided with air inlet 106 and air outlet 107, and described radiator 102, pcb board 103 and electronic heater members 104 are located in air channel 105.
The utility model is when off-premises station moves, and due to the running of outdoor machine fan, air outlet 107 places of electric-controlled box 101 form a negative pressure space, and the air channel 105 of electric-controlled box is interior because the draught head between air inlet 106 and air outlet 107 forms radiating airflow.Radiating airflow dispels the heat to the radiator 102 in air channel, pcb board 103 and electronic heater members 104, takes away heat.Because radiating airflow is from the lower extraneous air of the relative temperature of off-premises station side, the high temperature gas flow after the heat exchanger of not flowing through, therefore can greatly improve radiating effect.
Described radiator 102 comprises convex portion 108, base portion 109 and radiating fin 110, and described pcb board 103 and electronic heater members 104 are located at convex portion 108 tops.The width of described convex portion 108 and the installed surface width of electronic heater members 104 match.Because convex portion 108 is thicker, possess good heat accumulation function, can promote the radiating effect for the peak value heating of 104 moments of electronic heater members.The more important thing is effective setting height(from bottom) that has improved the electronic component of pcb board 103 positions that are positioned at radiator base portion 109 correspondences, make it increase the height of a convex portion, thereby be convenient to have the installation nearby of the electronic component of certain altitude requirement, improved the antijamming capability of this partial circuit.While there is no high electronic component in the region of pcb board 103 at radiator, for improving the width of the convex portion 108 of radiator, increase the thermal capacity of convex portion 108, the convex portion 108 of described radiator and base portion 109 can also keep width to equate.
In the present embodiment, described radiating fin 110 is conventional linear fin, and fin direction is consistent with air channel.Bottom surface and the side in air channel 105 is close in the bottom surface of described radiating fin 110 and side, thereby effectively the flow direction of heat radiation air-flow is controlled, and makes all air-flows in air channel 105 all pass through radiating fin 110 surfaces of radiator, effectively improving radiating effect.
In the present embodiment, described air outlet 107 places are provided with water bar 111, and dabbling of preventing from producing when fan because of air-conditioner outdoor unit from moving in the rainy day enters in electric-controlled box 101, guarantees the safety of electric-controlled box 101 interior devices.Described water bar 111, to electric-controlled box 101 direction bending certain angles, inwardly turns to air outlet 107, further strengthens the effect of splash-proof.Certainly, in other embodiments, water bar 111 also can be vertically downward, without bending.
In the present embodiment, described radiator 102 is provided with sealing baffle 112.Sealing baffle 112, for cutting off the flow leakage causing because the gap of electronic heater members 104 generations is installed between radiator 102 and pcb board 103, allows whole air-flows all pass through the radiating fin 110 of radiator 102, improves radiating effect.In the present embodiment, described sealing baffle 112 lies in a horizontal plane in the rear end of radiator 102.Certainly, in other embodiments, described sealing baffle 112 also can vertically be placed on the rear end of radiator 102, or is placed on the front end of radiator 102.
In the present embodiment, described pcb board 103 is provided with control element (for example B1 in Fig. 1, B2, B3), described control element adopts back-off mounting means be located at the below of pcb board 103 and be suspended in described air channel 105, thereby control element can be taken away heat by radiating airflow.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: as shown in Figure 4, Figure 5, in the present embodiment, the bottom surface in described air channel 105 is provided with wind-guiding inclined-plane 113.By the guide function on wind-guiding inclined-plane 113, make to change the flow direction near the air flow energy of 105 bottom surfaces, air channel, can optimize the effect of wind-guiding, the air flow energy after break-in is got near the base portion 109 that reaches radiator 102, the radiating effect in strong radiator 102 hot spots.
In the present embodiment, described radiating fin 110 is Wavelike finned, and fin direction is consistent with air channel.The Wavelike finned complicated processing of need to carrying out forms bending, compares linear fin effective length elongated, thereby effectively promotes the surface area of fin, simultaneously because wave-like has promoted radiating effect for the retardation of air-flow.
Other structures are identical with embodiment 1.
Embodiment 3
The difference of the present embodiment and embodiment 1 is: as shown in Figure 6, in the present embodiment, described radiating fin 110 is linear fin, fin direction and air channel are at an angle, effectively utilize the plane space of radiator, the position that compression screw is shared, realizes the object that increases flow-disturbing, further enhance heat effect.
Other structures are identical with embodiment 1.
Embodiment 4
The difference of the present embodiment and embodiment 1 is: as shown in Figure 7, in the present embodiment, described radiating fin 110 is Wavelike finned, fin direction and air channel are at an angle, effectively utilize the plane space of radiator, the position that compression screw is shared, realizes the object that increases flow-disturbing, further enhance heat effect.
Other structures are identical with embodiment 1.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (10)
1. a variable frequency air-conditioner controller heat abstractor, comprise electric-controlled box, radiator, pcb board and electronic heater members, it is characterized in that, in described electric-controlled box, be provided with circumferential closed air channel, the two ends in described air channel are provided with air inlet and air outlet, described radiator, pcb board and electronic heater members are located in air channel, and described radiator comprises convex portion, base portion and radiating fin, and described pcb board and electronic heater members are located at convex portion top.
2. variable frequency air-conditioner controller heat abstractor according to claim 1, is characterized in that, bottom surface and the side in air channel is close in the bottom surface of described radiating fin and side.
3. variable frequency air-conditioner controller heat abstractor according to claim 1, is characterized in that, described air outlet place is provided with water bar.
4. variable frequency air-conditioner controller heat abstractor according to claim 3, is characterized in that, described water bar is to electric-controlled box direction bending certain angle.
5. variable frequency air-conditioner controller heat abstractor according to claim 1, is characterized in that, the bottom surface in described air channel is provided with wind-guiding inclined-plane.
6. variable frequency air-conditioner controller heat abstractor according to claim 1, is characterized in that, described radiator is provided with sealing baffle.
7. according to the variable frequency air-conditioner controller heat abstractor described in claim 1 to 6 any one, it is characterized in that, the width of described convex portion and the installed surface width of electronic heater members match.
8. according to the variable frequency air-conditioner controller heat abstractor described in claim 1 to 6 any one, it is characterized in that, described radiating fin is linear fin or Wavelike finned.
9. variable frequency air-conditioner controller heat abstractor according to claim 8, is characterized in that, the direction of described radiating fin and air channel are at an angle.
10. according to the variable frequency air-conditioner controller heat abstractor described in claim 1 to 6 any one, it is characterized in that, described pcb board is provided with control element, and described control element adopts back-off mounting means be located at the below of pcb board and be suspended in described air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450526.0U CN203442985U (en) | 2013-07-26 | 2013-07-26 | Heat-dissipating device for controller of variable-frequency air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450526.0U CN203442985U (en) | 2013-07-26 | 2013-07-26 | Heat-dissipating device for controller of variable-frequency air conditioner |
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| Publication Number | Publication Date |
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| CN203442985U true CN203442985U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320450526.0U Expired - Fee Related CN203442985U (en) | 2013-07-26 | 2013-07-26 | Heat-dissipating device for controller of variable-frequency air conditioner |
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| CN (1) | CN203442985U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571014A (en) * | 2014-11-11 | 2016-05-11 | 海信（山东）空调有限公司 | Air conditioner heat radiator and variable-frequency air conditioner |
| CN106500201A (en) * | 2016-12-08 | 2017-03-15 | 广东欧科空调制冷有限公司 | The outer machine of compact ceiling type air conditioner |
| CN108731246A (en) * | 2018-07-23 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of radiator, controller and air-conditioning |
| CN109442707A (en) * | 2018-10-31 | 2019-03-08 | 珠海格力电器股份有限公司 | A kind of production method of the radiator of air-conditioner controller, air-conditioning and its radiator |
-
2013
- 2013-07-26 CN CN201320450526.0U patent/CN203442985U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571014A (en) * | 2014-11-11 | 2016-05-11 | 海信（山东）空调有限公司 | Air conditioner heat radiator and variable-frequency air conditioner |
| CN106500201A (en) * | 2016-12-08 | 2017-03-15 | 广东欧科空调制冷有限公司 | The outer machine of compact ceiling type air conditioner |
| CN108731246A (en) * | 2018-07-23 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of radiator, controller and air-conditioning |
| CN108731246B (en) * | 2018-07-23 | 2023-10-27 | 珠海格力电器股份有限公司 | Radiator, controller and air conditioner |
| CN109442707A (en) * | 2018-10-31 | 2019-03-08 | 珠海格力电器股份有限公司 | A kind of production method of the radiator of air-conditioner controller, air-conditioning and its radiator |
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| C14 | Grant of patent or utility model | ||
| 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: 20140219 Termination date: 20200726 |