CN103363597B - A kind of air-conditioner outdoor unit - Google Patents
A kind of air-conditioner outdoor unit Download PDFInfo
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- CN103363597B CN103363597B CN201310318828.7A CN201310318828A CN103363597B CN 103363597 B CN103363597 B CN 103363597B CN 201310318828 A CN201310318828 A CN 201310318828A CN 103363597 B CN103363597 B CN 103363597B
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Abstract
The invention provides one and there is forced heat radiation function, improve the air-conditioner outdoor unit of radiating effect, comprise shell, fan, compressor, median septum, electric-controlled box and heat exchanger, described shell comprises header board, rear plate, upper plate, lower plate, left plate and right plate, described header board is provided with wind-guiding air channel, the space in shell is divided into fan space and compressor space by described median septum, described electric-controlled box is located at median septum top, in described electric-controlled box, be provided with radiator, at the bottom of described electric-controlled box comprises lid and box, side at the bottom of described lid and box interconnects, jointly surround the passage of a four sides sealing, the two ends of described passage are respectively equipped with air inlet and air outlet, described air inlet is positioned at compressor space, described air outlet is positioned at fan space, described electric-controlled box, between median septum and upper plate, be provided with sealing sponge, described electric-controlled box, median septum, upper plate separates fan space and compressor space together with sealing sponge, described shell is provided with blinds fenestra in compressor space.
Description
Technical field
The present invention relates to household electrical appliance technical field, more specifically, relate to a kind of air-conditioner outdoor unit with forced heat radiation function.
Background technology
In prior art, the heat abstractor of general transducer air conditioning is the heat exchanging air duct by radiator being placed in to off-premises station, utilize the hot-air of the heat exchanger of flowing through to carry out the heat radiation of controller, but radiating effect is not ideal enough, does not sometimes reach the requirement of heat radiation.
Patent CN200910067630.X discloses a kind of Split type frequency-variable air conditioner outdoor, and the side that is positioned at fin below control box bottom is provided with the drawing fan that connects control box bottom. There is the air channel wind deflector that connects fin and drawing fan in drawing fan outer setting, make the cooling control circuit board after-blow of air sucking to fin. Fan and air channel structure are installed in the present invention additional on the control box of frequency-variable air conditioner outdoor machine. Make fan work in the time that PCB loads onto, cold wind is lowered the temperature PCB by air channel. This patent has increased a special drawing fan radiator of controller has been carried out to forced heat radiation, has increased cost, and controller architecture is also more complicated simultaneously, comes lecture reduce service life for the such durable consumer goods of air-conditioner.
Patent CN201220066539.3 discloses a kind of off-premises station of convertible frequency air-conditioner, comprises off-premises station and outdoor fan thereof, is provided with heat dissipation wind channel in the lamina tecti inner side of off-premises station, and a side of heat dissipation wind channel is provided with control box; Corresponding position at lamina tecti is provided with grid, and grid is arranged on the air inlet top of heat dissipation wind channel, and coordinates with air inlet, and heat dissipation wind channel surrounds the fin of control box; Grid by lamina tecti place in heat dissipation wind channel, makes fin and air in air channel carry out heat exchange outdoor air intake, thereby arrives the object of lowering the temperature for control box. The perforate on lamina tecti of this scheme, affects outward appearance, simultaneously unfavorable to the waterproof of air-conditioner; Air is through the longitudinal direction of radiator, and length is the several times of horizontal direction, and radiating effect does not have horizontal direction good.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above at least to a certain extent.
The object of this invention is to provide one and there is forced heat radiation function, improve the air-conditioner outdoor unit of radiating effect.
The technical solution adopted for the present invention to solve the technical problems is: a kind of air-conditioner outdoor unit, comprises shell, fan, compressor, median septum, electric-controlled box and heat exchanger, described shell comprises header board, rear plate, upper plate, lower plate, left plate and right plate, described header board is provided with wind-guiding air channel, the space in shell is divided into fan space and compressor space by described median septum, described fan is positioned at fan space, described compressor is positioned at compressor space, described electric-controlled box is located at median septum top, in described electric-controlled box, be provided with radiator, at the bottom of described electric-controlled box comprises lid and box, the side at the bottom of described lid and box interconnects, and jointly surrounds the passage of a four sides sealing, the two ends of described passage are respectively equipped with air inlet and air outlet, described air inlet is positioned at compressor space, and described air outlet is positioned at fan space, described electric-controlled box, between median septum and upper plate, be provided with sealing sponge, described electric-controlled box, median septum, upper plate separates fan space and compressor space together with sealing sponge, and described shell is provided with blinds fenestra in compressor space.
The present invention, after fan operation, forms a negative pressure space being surrounded by median septum, upper plate, wind-guiding air channel, header board, heat exchanger, is positioned at the air outlet place of electric-controlled box. Due to the existence of negative pressure, cause the draught head between negative pressure space and extraneous air, cause that outside cold air inwardly flows, by blinds fenestra, the passage in electric-controlled box passes electric-controlled box, arrives negative pressure space, and finally discharges by fan. Cold air can be taken away the heat on heating parts and radiator when inner through electric-controlled box. Now, because radiator is in laterally windward, its front face area is very large, and path is relatively short, can make the radiating fin of radiator can be get Geng Mi, and significantly improving radiating effect reduces the volume of radiator.
In one embodiment, in described electric-controlled box, be provided with pcb board and heating power device, described pcb board is provided with control element, described control element adopts back-off mounting means be located at the below of pcb board and be suspended in described passage, between described pcb board and lid, form confined space, thereby between pcb board and lid, there is no Air Flow, the protection against the tide that realizes pcb board is dustproof.
In a preferred embodiment, described radiator is provided with sealing baffle. Sealing baffle, for cutting off the flow leakage causing because the gap of heating power device 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 one embodiment, described air outlet, to median septum direction bending certain angle, is realized air outlet and is inwardly turned to, and can prevent that air-conditioner outdoor unit from inwardly dabbling, and guarantees the safety of device in electric-controlled box.
In one embodiment, described electric-controlled box is provided with spoiler near a side of heat exchanger. After adding spoiler, can make to be more evenly distributed in the air pressure at electric-controlled box air outlet place in negative pressure space, thereby the air flow energy of the cross section by radiator is evenly distributed, realize Homogeneouslly-radiating, avoid subregion good heat dissipation effect, the problem that another part radiating effect is poor.
In one embodiment, described blinds fenestra is located on rear plate or right plate. Blinds fenestra need to be located on rear plate according to using, or is located on right plate, or is located on rear plate and right plate simultaneously, to improve intake. Preferably, the inner side of described blinds fenestra is provided with air filter screen, for filtering dust.
In one embodiment, the present invention also comprises temperature sensor, for detection of outdoor environment temperature.
In one embodiment, described control element is monitored the velocity variations of fan at any time, in the time detecting that the wind speed of fan has obvious decline, reduces the running frequency of compressor, reduce the caloric value of heating power device, guarantee that the temperature of heating power device is no more than limit value.
For the motor that detects Hall element with wind speed, the velocity information of direct-detection motor output. When judge wind speed lower than threshold values Fv1, Fv2 ..., when Fvn, the running frequency of limit compression machine not higher than Fc1, Fc2 ..., Fcn.
For AC induction motor, because its wind speed is directly related with supply voltage. When detect supply voltage value lower than threshold voltage V1, V2 ..., when Vn, the running frequency of limit compression machine not higher than Fc1, Fc2 ..., Fcn.
For with MCU the motor that uses software algorithm to control, its wind speed can be provided by the MCU of motor. When the wind speed providing lower than threshold values Fv1, Fv2 ..., when Fvn, the running frequency of limit compression machine not higher than Fc1, Fc2 ..., Fcn.
In a preferred embodiment, described control element changes the running frequency of compressor is revised according to outdoor environment temperature. When outdoor environment temperature lower than T1, T2 ..., when Tn, corresponding running frequency limit value increase △ Fc1, △ Fc2 ..., △ Fcn.
The invention has the beneficial effects as follows: the present invention is due to the existence of negative pressure, cause the draught head between negative pressure space and extraneous air, cause that outside cold air inwardly flows, by blinds fenestra, passage in electric-controlled box passes electric-controlled box, arrive negative pressure space, and finally discharge by fan. Cold air can be taken away the heat on heating parts and radiator when inner through electric-controlled box. Now, because radiator is in laterally windward, its front face area is very large, and path is relatively short, can make the radiating fin of radiator can be get Geng Mi, and significantly improving radiating effect reduces the volume of radiator. The impact of the hot-air producing when the passage of four sides sealing can also reduce compressor operating in electric-controlled box simultaneously on heat radiation flow of cooled air.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the top cross-section schematic diagram of one embodiment of the invention.
Fig. 3 is the schematic cross-section of electric-controlled box in one embodiment of the invention.
Accompanying drawing, only for exemplary illustration, can not be interpreted as limitation of the present invention; 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 features and explanation thereof may to omit be understandable.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of air-conditioner outdoor unit 100 of the present invention, comprises shell, and described shell is made up of header board 101, rear plate 102, upper plate 103, lower plate 104, left plate 105 and right plate 106, and wherein header board 101 is provided with wind-guiding air channel 107. In described shell, be provided with fan 108, compressor 109, median septum 110, electric-controlled box 111 and heat exchanger 112, the space in shell is divided into fan space and compressor space by described median septum 110, described fan 108 is positioned at fan space, and described compressor 109 is positioned at compressor space.
Described electric-controlled box 111 is located at median septum 110 tops, is provided with sealing sponge 113 between described electric-controlled box 111, median septum 110 and upper plate 103. Described sealing sponge 113 extends to heat exchanger 112 from header board 101, fills up the space between electric-controlled box 111, median septum 110 and upper plate 103. Described electric-controlled box 111, median septum 110, upper plate 103 separate fan space and compressor space together with sealing sponge 113. Described shell is provided with blinds fenestra 114 in compressor space, and in the present embodiment, described blinds fenestra 114 is located on rear plate 102. The inner side of described blinds fenestra 114 is provided with air filter screen (not shown), for filtering dust.
As shown in Figure 3, described electric-controlled box 111 comprises at the bottom of lid 115 and box 116, at the bottom of described lid 115 and box, 116 side interconnects, jointly surround the passage of a four sides sealing, the two ends of described passage are respectively equipped with air inlet 117 and air outlet 118, described air inlet 117 is positioned at compressor space, and described air outlet 118 is positioned at fan space.
In described electric-controlled box 111, be provided with radiator 119, pcb board 120 and heating power device 121. Described pcb board 120 is provided with control element (for example B1 in Fig. 3, B2, B3), and described control element adopts back-off mounting means be located at the below of pcb board 120 and be suspended in described passage. At the bottom of described pcb board 120 and box, 116 left and right side close installation, when covering after lid 115, forms confined space between described pcb board 120 and lid 115, thereby there is no Air Flow between pcb board 120 and lid 115, and the protection against the tide that realizes pcb board 120 is dustproof.
Described radiator 119 is provided with sealing baffle 122, for cutting off between radiator 119 and pcb board 120 flow leakage causing because gap that heating power device 121 produces is installed, allows whole air-flows all pass through the radiating fin of radiator 119, improves radiating effect. In the present embodiment, described sealing baffle 122 lies in a horizontal plane in the rear end of radiator 119. Certainly, in other embodiments, described sealing baffle 122 also can vertically be placed on the rear end of radiator 119, or is placed on the front end of radiator 119.
Described air outlet 118, to median septum 110 direction bending certain angles, is realized air outlet 118 and is inwardly turned to, and can prevent that air-conditioner outdoor unit from inwardly dabbling, and guarantees the safety of electric-controlled box 111 interior devices.
The present invention also comprises temperature sensor (not shown), for detection of outdoor environment temperature.
The present invention, after fan 108 operations, forms a negative pressure space A who is surrounded by median septum 110, upper plate 103, wind-guiding air channel 107, header board 101, heat exchanger 112, is positioned at air outlet 118 places of electric-controlled box 111. Due to the existence of negative pressure, cause the draught head between negative pressure space A and extraneous air, cause that outside cold air inwardly flows, by blinds fenestra 114, direction along a-b-c-d is passed electric-controlled box 111, arrives negative pressure space A, and finally discharges by fan 108. Cold air can be taken away the heat on heating parts and radiator when inner through electric-controlled box 111. Now, because radiator 119 is in laterally windward, its front face area is very large, and path is relatively short, can make the radiating fin of radiator 119 can be get Geng Mi, and significantly improving radiating effect reduces the volume of radiator.
Described control element is monitored the velocity variations of fan 108 at any time, in the time detecting that the wind speed of fan 108 has obvious decline, reduce the running frequency of compressor 109, reduce the caloric value of heating power device 121, guarantee that the temperature of heating power device 121 is no more than limit value. In the present embodiment, motor uses the direct current generator that detects Hall element with wind speed, the velocity information of direct-detection motor output. When judge wind speed lower than threshold values Fv1, Fv2 ..., when Fvn, the running frequency of limit compression machine not higher than Fc1, Fc2 ..., Fcn. For example, in the time judging wind speed lower than threshold values 750rpm, 650rpm, the running frequency of limit compression machine is not higher than 75Hz, 60Hz.
Described control element changes the running frequency of compressor 109 is revised according to outdoor environment temperature. When outdoor environment temperature lower than T1, T2 ..., when Tn, corresponding running frequency limit value increase △ Fc1, △ Fc2 ..., △ Fcn. For example, when outdoor environment temperature is during lower than 30 DEG C, 10 DEG C, corresponding running frequency limit value increases 5Hz, 15Hz.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: as shown in Figure 1 and Figure 2, in the present embodiment, described electric-controlled box 111 is provided with spoiler 123 near a side of heat exchanger 112. After adding spoiler 123, can make the air pressure at the air outlet place in electric-controlled box 111 in negative pressure space be more evenly distributed, thereby the air flow energy of the cross section by radiator 119 is evenly distributed, realize Homogeneouslly-radiating, avoid subregion good heat dissipation effect, the problem that another part radiating effect is poor. Because the windward side in the present embodiment is wider, the air-flow of windward side is uniformly distributed and can prevents that the hidden danger of hot-spot from producing. In addition, can also slightly lower the pressure in negative pressure space, increase draught head, increase air flow rate, further improving radiating effect.
As shown in Figure 2, in the present embodiment, described blinds fenestra is located on right plate 106. Certainly, in other embodiments, blinds fenestra need to be located on rear plate 102 according to using, or is located on right plate 106, or is located on rear plate 102 and right plate 106, to improve intake simultaneously.
Other structures are identical with embodiment 1.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also giving exhaustive to all embodiments. All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (9)
1. an air-conditioner outdoor unit, comprises shell, fan, compressor, median septum, electric-controlled box and heat exchanger, described shell comprises header board, rear plate, upper plate, lower plate, left plate and right plate, described header board is provided with wind-guiding air channel, the space in shell is divided into fan space and compressor space by described median septum, described fan is positioned at fan space, described compressor is positioned at compressor space, described electric-controlled box is located at median septum top, in described electric-controlled box, be provided with radiator, it is characterized in that, at the bottom of described electric-controlled box comprises lid and box, side at the bottom of described lid and box interconnects, the passage that jointly surrounds a four sides sealing, the two ends of described passage are respectively equipped with air inlet and air outlet, and described air inlet is positioned at compressor space, described air outlet is positioned at fan space, described electric-controlled box, between median septum and upper plate, be provided with sealing sponge, described electric-controlled box, median septum, upper plate separates fan space and compressor space together with sealing sponge, and described shell is provided with blinds fenestra in compressor space, in described electric-controlled box, be provided with pcb board and heating power device, 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, between described pcb board and lid, forms confined space.
2. air-conditioner outdoor unit according to claim 1, is characterized in that, described radiator is provided with sealing baffle.
3. air-conditioner outdoor unit according to claim 1, is characterized in that, described air outlet is to median septum direction bending certain angle.
4. air-conditioner outdoor unit according to claim 1, is characterized in that, described electric-controlled box is provided with spoiler near a side of heat exchanger.
5. according to the air-conditioner outdoor unit described in claim 1 to 4 any one, it is characterized in that, described blinds fenestra is located on rear plate or right plate.
6. air-conditioner outdoor unit according to claim 5, is characterized in that, the inner side of described blinds fenestra is provided with air filter screen.
7. air-conditioner outdoor unit according to claim 1, is characterized in that, also comprises temperature sensor.
8. air-conditioner outdoor unit according to claim 1, it is characterized in that, described control element is monitored the velocity variations of fan at any time, in the time detecting that the wind speed of fan has obvious decline, reduce the running frequency of compressor, reduce the caloric value of heating power device, guarantee that the temperature of heating power device is no more than limit value.
9. air-conditioner outdoor unit according to claim 8, is characterized in that, described control element changes the running frequency of compressor is revised according to outdoor environment temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310318828.7A CN103363597B (en) | 2013-07-26 | 2013-07-26 | A kind of air-conditioner outdoor unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310318828.7A CN103363597B (en) | 2013-07-26 | 2013-07-26 | A kind of air-conditioner outdoor unit |
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| CN103363597A CN103363597A (en) | 2013-10-23 |
| CN103363597B true CN103363597B (en) | 2016-05-25 |
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| CN110454937B (en) * | 2019-08-05 | 2021-10-26 | 广东美的制冷设备有限公司 | Air conditioner and control method and device thereof |
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