CN105318453B - Outdoor unit defrosting device and air conditioner - Google Patents

Outdoor unit defrosting device and air conditioner Download PDF

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Publication number
CN105318453B
CN105318453B CN201410264724.7A CN201410264724A CN105318453B CN 105318453 B CN105318453 B CN 105318453B CN 201410264724 A CN201410264724 A CN 201410264724A CN 105318453 B CN105318453 B CN 105318453B
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China
Prior art keywords
air
outdoor unit
tube
pipe fitting
supply pipe
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CN105318453A (en
Inventor
李金波
韩宇
叶月华
刘德清
冯博
戚文端
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201410264724.7A priority Critical patent/CN105318453B/en
Publication of CN105318453A publication Critical patent/CN105318453A/en
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Abstract

The invention discloses a kind of outdoor unit defrosting device and the air conditioner with the device, the outdoor unit defrosting device include heat-exchanging component and air-supply assembly;Heat-exchanging component is at the refrigerant delivery pipe between the exhaust outlet and four-way valve of cooler compressor, for controlling the heat exchange of refrigerant delivery pipe and outside air;Air-supply assembly includes air-supply pipe fitting and blower fan, air-supply pipe fitting includes air inlet and air outlet, the air inlet of air-supply pipe fitting corresponds to heat-exchanging component setting, the fin that the air outlet of air-supply pipe fitting corresponds to outdoor unit is set, and air-blower control is flowed into air-supply pipe fitting with the air after heat-exchanging component heat exchange by the air inlet.Caused after-heat in air conditioner running is transported on the fin of outdoor unit by the present invention, reaches the effect of outdoor unit defrost.Air conditioner is overcome to influence the defects of user uses due to noise caused by frequent start-stop.The outdoor unit defrosting device of the present invention does not reduce the heating capacity of air conditioner during defrost, so as to ensure that heating efficiency.

Description

Outdoor unit defrosting device and air conditioner
Technical field
The present invention relates to air-conditioner field, more particularly to a kind of air-conditioner outdoor unit defrosting device and air conditioner.
Background technology
Current most heat pump air conditioner run under high humility operating mode when heating, the evaporating temperature of refrigerant with The reduction of outdoor environment temperature and reduce.When the evaporating temperature of refrigerant is less than 0 DEG C, the easy frosting in outdoor heat exchanger surface. With the aggravation of frosting degree, the heating effect of air conditioner also constantly declines.When air conditioner frosting is serious, then need to stop making Heat, and enter generalization frost working condition.The comfortableness that user uses air conditioner is so not only have impact on, and it is frequent at night Noise caused by ground start and stop air conditioner can influence the sleep quality of user.
To avoid shutting down defect caused by defrost, existing air conditioner is by the way that high temperature refrigerant is introduced into outdoor unit mostly Copper pipe inside heat exchanger, defrost is carried out to outdoor unit heat exchanger from inside to outside.But above-mentioned defrost mode reduces air conditioner Heating capacity, so as to have a strong impact on the heating efficiency of air conditioner.
The content of the invention
The present invention provides a kind of outdoor unit defrosting device, it is intended to neither reduces the heating capacity of air conditioner, nor affects on user Using the comfortableness of air conditioner, and the defrost purpose of outdoor unit can be reached.
To achieve these goals, the present invention provides a kind of outdoor unit defrosting device, and the outdoor unit defrosting device includes changing Hot component and air-supply assembly;Wherein,
The heat-exchanging component is at the refrigerant delivery pipe between the exhaust outlet and four-way valve of cooler compressor, for controlling Make the refrigerant delivery pipe and the heat exchange of outside air;
The air-supply assembly includes air-supply pipe fitting and blower fan, and the air-supply pipe fitting includes air inlet and air outlet, described to send The air inlet of airduct part corresponds to the heat-exchanging component and set, and the air outlet of the air-supply pipe fitting corresponds to the fin setting of outdoor unit, The air-blower control is flowed into the air-supply pipe fitting with the air after heat-exchanging component heat exchange by the air inlet, will be with institute The air after heat-exchanging component heat exchange is stated to be sent on the fin of outdoor unit.
Preferably, the heat-exchanging component includes cooling base and some fin on the cooling base, described Cooling base is provided with the through hole being adapted to the refrigerant delivery pipe, and the cooling base is sheathed on described cold by the through hole In matchmaker's delivery pipe, and it is fixedly connected with the refrigerant delivery pipe.
Preferably, the heat-exchanging component also includes being used for housing the housing of the pedestal and fin, and the two of the housing End opening is set, and one end of the housing corresponds to the air inlet setting of the air-supply pipe fitting.
Preferably, the blower fan can be located in the air-supply pipe fitting;The blower fan can also be located at entering for the air-supply pipe fitting Between air port and the heat-exchanging component, and the air side of the blower fan towards it is described air-supply pipe fitting air inlet.
Preferably, the air-supply pipe fitting includes the first connecting tube, the second connecting tube and at least two the 3rd connecting tubes;Wherein institute The one end for stating the first connecting tube is the air inlet of the air-supply pipe fitting, and the other end connects with second connecting tube;Described 3rd Connecting tube connects with second connecting tube, and the 3rd connecting tube is provided with least one first exhaust vent, and described first goes out Air holes is set towards the outdoor unit fin, and first exhaust vent is the air outlet of the air-supply pipe fitting.
Preferably, the 3rd connecting tube is layed in the surface of outdoor unit windward side, and first exhaust vent is located at described 3rd connecting tube and the outdoor unit relative side in side surface windward, and first exhaust vent is towards the outdoor unit wing Piece.
Preferably, the air-supply pipe fitting includes the 4th connecting tube, the 5th connecting tube and transmission component, the 4th connecting tube One end be the air inlet of the air-supply pipe fitting, the other end connects with the 5th connecting tube;5th connecting tube is provided with At least one second exhaust vent, second exhaust vent are set towards the outdoor unit fin, and second exhaust vent send to be described The air outlet of airduct part;The transmission component is connected with the 5th connecting tube, for controlling the 5th connecting tube described in Outdoor unit fin surface moves.
Preferably, the 5th connecting tube is layed in the surface of the outdoor unit windward side, and second exhaust vent is located at 5th connecting tube and the outdoor unit relative side in side surface windward, and second exhaust vent is towards the outdoor unit Fin.
Preferably, indoor set defrosting device also includes being used to control the draught fan control circuit that the blower fan starts or stops; The draught fan control circuit includes being used for the temperature sensor for sensing outdoor environment temperature and output temperature signal, and for connecing Receive the temperature signal and according to the temperature signal output control signal to control the control mould that the blower fan starts or stops Block;
Wherein, the temperature sensor is located at the outer surface of the outdoor unit, and the temperature signal of the temperature sensor is defeated Go out end to be connected with the temperature signal input of the control module, the control signal output of the control module and the blower fan Connection.
The present invention provides a kind of air conditioner, and the air conditioner has outdoor unit defrosting device, and outdoor unit defrosting device includes changing Hot component and air-supply assembly;Wherein,
The heat-exchanging component is at the refrigerant delivery pipe between the exhaust outlet and four-way valve of cooler compressor, for controlling Make the refrigerant delivery pipe and the heat exchange of outside air;
The air-supply assembly includes air-supply pipe fitting and blower fan, and the air-supply pipe fitting includes air inlet and air outlet, described to send The air inlet of airduct part corresponds to the heat-exchanging component and set, and the air outlet of the air-supply pipe fitting corresponds to the fin setting of outdoor unit, The air-blower control is flowed into the air-supply pipe fitting with the air after heat-exchanging component heat exchange by the air inlet, will be with institute The air after heat-exchanging component heat exchange is stated to be sent on the fin of outdoor unit.
Refrigerant conveying of the indoor set defrosting device provided by the invention between cooler compressor exhaust outlet and four-way valve Heat-exchanging component is installed between pipe.The heat-exchanging component accelerates the heat exchange of the refrigerant and the outer air of delivery pipe of high temperature.Air-supply pipe fitting Air after heat exchange can be sent on the fin of outdoor unit, so as to improve the temperature of outdoor unit fin, prevent fin Frosting.Caused after-heat in air conditioner running is concentrated and is transported on the fin of air-conditioner outdoor unit by the present invention, is carried The outdoor unit fin temperature of itself is risen, so as to reach the effect of outdoor unit fin defrost.Because the present invention is in air conditioner system The function of defrost can be realized under heat pattern, needs frequent start-stop relative to existing air conditioner to carry out defrost, the present invention Comfort level when user uses can more be improved.On the other hand, outdoor unit defrosting device focus utilization of the invention air conditioner work Make after-heat caused by process, do not reduce the heating capacity of air conditioner, so as to ensure that the heating efficiency of air conditioner.
Brief description of the drawings
Fig. 1 is the structural representation of the installment state of outdoor unit defrosting device of the present invention;
Fig. 2 is the part exploded perspective view in Fig. 1;
Fig. 3 is the close-up schematic view at A in Fig. 2;
Fig. 4 is the structural representation of air-supply pipe fitting first embodiment in outdoor unit defrosting device of the present invention;
Fig. 5 is the close-up schematic view of the 3rd connecting tube in Fig. 4;
Fig. 6 is the structural representation of air-supply pipe fitting second embodiment in outdoor unit defrosting device of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of outdoor unit defrosting device.
Referring to figs. 1 to the structural representation for the installment state that 3, Fig. 1 is outdoor unit defrosting device of the present invention;Fig. 2 is in Fig. 1 Part exploded perspective view;Fig. 3 is the close-up schematic view at A in Fig. 2.A kind of outdoor unit defrost dress that the present embodiment provides Put, the indoor set defrosting device is arranged on air conditioner.For those skilled in the art when knowing, air conditioner includes indoor set (in figure not Show), outdoor unit 1, compressor 2 and four-way valve (not shown).When air conditioner opens heating mode, four-way valve will press The input of contracting machine 2 is connected with outdoor unit 1, and the output end of compressor 2 is connected with indoor set.The refrigerant of low temperature liquid passes through Outdoor unit 1 simultaneously carries out heat exchange with outdoor environment, and the refrigerant of liquid is absorbed heat and evaporated as gaseous refrigerant.Gaseous refrigerant enters Enter compressor 2, gaseous coolant of the processing for HTHP is compressed by compressor 2, and the gaseous coolant of HTHP is sent to Indoor set, heat exchange is carried out by indoor set and indoor environment, so as to reach the effect to indoor environment heating.Refrigerant is in room The evaporating temperature of outer machine 1 declines as outdoor environment temperature declines, when evaporating temperature is less than 0 DEG C, the heat exchanger table of outdoor unit 1 The easy frosting of face.
Outdoor unit defrosting device provided by the invention includes heat-exchanging component 4 and air-supply assembly 5.
Heat-exchanging component 4 is installed at the refrigerant delivery pipe 3 between the exhaust outlet and four-way valve of cooler compressor 2.Should Illustrate, no matter air conditioner is in heating state or refrigerating state, and the exhaust outlet of cooler compressor 2 exports high temperature all the time The refrigerant of high pressure.By the commutation of four-way valve, the mutual switching of refrigeration and heating is realized.Heat-exchanging component 4 is arranged at air conditioner pressure Outside refrigerant delivery pipe 3 between the exhaust outlet and four-way valve of contracting machine 2, so as to promote the refrigerant of high temperature and refrigerant delivery pipe 3 Outer air carries out heat exchange.Because the refrigerant of high temperature carries out heat exchange with air, so that the air around heat-exchanging component 4 Temperature obtain and lifted to a certain extent.
Air-supply assembly 5 includes air-supply pipe fitting 51 and blower fan 52, and air-supply pipe fitting 51 includes air inlet and air outlet, pipe fitting of blowing 51 air inlet corresponds to heat-exchanging component 4 and set, and the air outlet of air-supply pipe fitting 51 corresponds to the fin 11 of outdoor unit 1 and set, blower fan 52 Air after control exchanges heat with heat-exchanging component 4 is flowed into air-supply pipe fitting 51 by air inlet, by the sky after being exchanged heat with heat-exchanging component 4 Gas is sent on the fin 11 of outdoor unit 1.Blower fan 52 has play a part of to drive air flow so that the air energy after heat exchange It is enough to flow into air-supply pipe fitting 51 and flowed to by the outlet of air-supply pipe fitting 51 on the fin 11 of outdoor unit 1.Heat-exchanging component 4, air-supply pipe fitting 51 And the sequence of positions of blower fan 52 can have a variety of plans of establishment.It is roughly divided into two major classes:The blow air of blower fan 52 flow class with And the suction air flow of blower fan 52 moves class.The first kind:When the blow air of blower fan 52 flows, the air side direction heat exchange of blower fan 52 is set Component 4, the air inlet for pipe fitting 5 of blowing is towards heat-exchanging component 4.When blower fan 52 starts, the air stream around heat-exchanging component 4 is driven Enter to blow in pipe fitting 51.Second class:When the suction air flow of blower fan 52 is moved, the inlet side of blower fan 52 is set towards heat-exchanging component 4, wind Air inlet of the air side of machine 52 towards air-supply pipe fitting 51.When blower fan 52 rotates, blower fan 52 aspirates the sky around heat-exchanging component 4 Gas, and passed air into its air side blow out air and drive in air-supply pipe fitting 51.In addition, blower fan 52 can also be arranged on air-supply Inside pipe fitting 51, as long as the air inlet of pipe fitting 51 so that the inlet side direction of blower fan 52 is blown, and the air side direction of blower fan 52 The air outlet of air-supply pipe fitting 51.
In the present embodiment, blower fan 52 is axial flow blower, and axial flow blower is arranged at the position of the air-supply entrance of pipe fitting 51.Axle stream The inlet side of blower fan is towards heat-exchanging component 4, and the air side of axial flow blower is towards inside air-supply pipe fitting 51.When the environment of outdoor unit 1 Temperature be in it is relatively low in the case of, specially less than 0 DEG C when, start axial flow blower rotate so that air-supply pipe fitting 51 inside Form negative pressure.High temperature air around the inlet side suction heat-exchanging component 4 of axial flow blower so that high temperature air flows into air-supply pipe fitting Inside 51, and flowed to by the air outlet of air-supply pipe fitting 51 on the fin 11 of outdoor unit 1, so as to reach the defrost of outdoor unit 1 or anti- The only purpose of frosting.
Refrigerant conveying of the indoor set defrosting device provided by the invention between the exhaust outlet of cooler compressor 2 and four-way valve Heat-exchanging component 4 is installed between pipe 3.The heat-exchanging component 4 accelerates the heat exchange of the refrigerant and the outer air of delivery pipe of high temperature.Ajutage Air after heat exchange can be sent on the fin 11 of outdoor unit 1 by part 5, so as to improve the temperature of the fin 11 of outdoor unit 1, Prevent the frosting of fin 11.Caused after-heat in air conditioner running is concentrated and is transported to air-conditioner outdoor unit 1 by the present invention Fin 11 on, fin 11 temperature of itself of outdoor unit 1 is improved, so as to reach the effect of the defrost of 1 fin of outdoor unit 11.By The function of defrost can be realized under air conditioner heat-production pattern in the present invention, needs frequent start-stop relative to existing air conditioner To carry out defrost, the present invention can more improve comfort level when user uses.On the other hand, outdoor unit defrosting device collection of the invention In make use of after-heat caused by the air conditioner course of work, not reduce air conditioner heating capacity, so as to ensure that air-conditioning The heating efficiency of device.
Specifically, heat-exchanging component 4 includes cooling base 41 and some fin 42 on cooling base 41, and radiate base Seat 41 is provided with the through hole being adapted to refrigerant delivery pipe 3, and cooling base 41 is sheathed in refrigerant delivery pipe 3 by through hole, and with Refrigerant delivery pipe 3 is fixedly connected.
Fin 42 is arranged on outside refrigerant delivery pipe 3 by cooling base 41, and fin 42 is primarily to facilitate high temperature The heat exchange of refrigerant and air.Specifically, fin 42 can be fabricated by the preferable metal material of the heat conductivilitys such as aluminium or copper. In order to reduce the cost of product, preferably using aluminium.In order to improve the efficiency of radiating, the outer surface of fin 42 is provided with waveform Or accordion etc. is to expand the area of dissipation of radiator 41.In the present embodiment, the fin 42 being fabricated by aluminium leads to Cross at the refrigerant delivery pipe 3 that cooling base 41 is installed between compressor 2 and four-way valve, and the outer surface of fin 42 is in fold Shape.Blow pipe fitting 51 air inlet towards fin 42.
Further, heat-exchanging component 4 also includes being used for the housing 43 for housing pedestal and fin 42, and the both ends of housing 43 are opened Mouthful set, and one end of housing 43 correspondingly blow pipe fitting 51 air inlet set.
In the present embodiment, an air duct, and one end direction air-supply of housing 43 are formed between two openings of housing 43 The air inlet of pipe fitting 51.When blower fan 52, which starts, blows, air enters the inner chamber of housing 43 by an opening of housing 43.The air After carrying out heat exchange with high temperature refrigerant, it is sent to by another outlet air-out, then by air-supply pipe fitting 51 on the fin 11 of outdoor unit 1.Change The housing 43 that hot component 4 is set, can avoid scattering and disappearing with the air after high temperature refrigerant heat exchange so that the air after heat exchange is more Add concentration, thus improve the efficiency that air-supply pipe fitting 51 transmits hot-air, so as to improve the defrost of outdoor unit defrosting device effect Rate.
Further, based on above-described embodiment, air-supply assembly 5 also includes a connection piece 53, and the connector 53 is located at air-supply Between pipe fitting 51 and heat-exchanging component 4, for connecting heat-exchanging component 4 and air-supply pipe fitting 51, after realization and the heat exchange of heat-exchanging component 4 Air can be flowed into inside air-supply pipe fitting 51.Connector 53 is set in horn-like cavity, has the first openend and second Openend.First openend is flared end, and the first openend is towards heat-exchanging component 4, the second openend and air-supply pipe fitting 51 Air inlet connects.It is understood that when using above-mentioned housing 43, the first openend of the connector 53 and the one of housing 43 Openend connects and penetrated.When above-mentioned blower fan 52 is between the air inlet and heat-exchanging component 4 of air-supply pipe fitting 51, the blower fan 52 Preferably it is contained in connector 53.The setting of connector 53, it can avoid dissipating with the hot-air after the heat exchange of heat-exchanging component 4 Lose, and then improve the efficiency of hot-air transmission, so as to improve the defrost efficiency of outdoor unit defrosting device.It should illustrate It is that blower fan 52 can be arranged on inside the through hole of connector 53.
Specifically, the concrete structure of air-supply pipe fitting 51 can be configured according to being actually needed.
With reference to reference Figure 4 and 5, such as in the first embodiment, air-supply pipe fitting 51 includes the first connecting tube 511B, the second company Adapter 512B and at least two the 3rd connecting tube 513B.Wherein the first connecting tube 511B one end is the air inlet of air-supply pipe fitting 51, The other end connects with the second connecting tube 512B.3rd connecting tube 513B connects with the second connecting tube 512B, and the 3rd connecting tube 513B is set provided with least one first exhaust vent 5131B, the first exhaust vent 5131B towards the fin 11 of outdoor unit 1, the first air-out Hole 5131B is the air outlet of air-supply pipe fitting 51.
It should be noted that the 3rd connecting tube 513B quantity can be according to the size of the fin 11 of outdoor unit 1 of reality It is configured.When starting of air conditioner heating mode, and during the startup air-supply of blower fan 52, the first connecting tube 511B transmission and heat-exchanging component 4 Air after heat exchange is to the second connecting tube 512B.Second connecting tube 512B is again by air flow to the 3rd connecting tube 513B.The Three connecting tube 513B the first exhaust vent 5131B is towards on the fin 11 of outdoor unit 1.At least two the 3rd connections are set in the present embodiment Pipe 513B, expands air-out area so that fin 11 can fully receive hot-air, so as to improve the effect of the defrost of outdoor unit 1 Rate.
Further, on the basis of first embodiment, the 3rd connecting tube 513B is layed in the windward side of outdoor unit 1 Surface, the first exhaust vent 5131B is located at the 3rd connecting tube 513B and the outdoor unit 1 relative side in side surface, and first goes out windward Air holes 5131B is towards the fin 11 of outdoor unit 1.It should be noted that length of the first exhaust vent 5131B along the 3rd connecting tube 513B Directional spreding, expand air-out area so that the fin 11 of outdoor unit 1 can more fully receive hot-air, so as to improve Defrost efficiency.It should be noted that in order to ensure reach outdoor unit 1 by the air of the first exhaust vent 5131B outflows On fin 11, the first exhaust vent 5131B aperture setting is smaller so that the speed of air-out is bigger, therefore air can have enough Power reach the fin 11 of outdoor unit 1 on.
Further, it is the air-out area that expands each 3rd connecting tube 513B, the on the 3rd connecting tube 513B One exhaust vent 5131B may be configured as different directions.During installation, more 3rd connecting tube 513B are layed in the windward side of outdoor unit 1 Surface, and the 3rd connecting tube 513B the first exhaust vent 5131B is towards on the fin 11 of outdoor unit 1.When starting air-supply, hot-air Flowed to from different directions on the fin 11 of outdoor unit 1, so as to further expand air-out area so that the fin 11 of outdoor unit 1 can Hot-air is more fully received, so as to improve the defrost efficiency of outdoor unit 1.
With reference to reference picture 6, in a second embodiment, above-mentioned air-supply pipe fitting 51 includes the 4th connecting tube 511C, the 5th connection Pipe 512C and transmission component 513C, the 4th connecting tube 511C one end are the air inlet of air-supply pipe fitting 51, and the other end and the 5th connect Adapter 512C is connected.5th connecting tube 512C is provided with least one second exhaust vent (not shown), the second exhaust vent direction The fin 11 of outdoor unit 1 is set, and the second exhaust vent is the air outlet of air-supply pipe fitting 51.Transmission component 513C and the 5th connecting tube 512C Connection, for controlling the 5th connecting tube 512C to be moved along the surface of 1 fin of outdoor unit 11.
When starting of air conditioner heating mode, and during the startup air-supply of blower fan 52, the 4th connecting tube 511C transmission and the heat of heat-exchanging component 4 Air after exchange is to the 5th connecting tube 512C, it should be noted that the 4th connecting tube 511C is flexible pipe, it is thus possible to fully full The demand of the 5th connecting tube 512C shift in position of foot.5th connecting tube 512C is arranged to one, and the 5th connecting tube 512C energy It is enough that along outdoor unit 1, side surface moves back and forth windward.4th connecting tube 511C one end is fixed on air conditioner, and the other end and the 5th connects Adapter 512C connections.5th connecting tube 512C the second exhaust vent is towards the fin 11 of outdoor unit 1.Transmission component 513C is in blower fan 52 Also start simultaneously during startup, transmission component 513C can drive the 5th connecting tube 512C, and along outdoor unit 1, side external surface is past windward It is multiple mobile so that the hot-air of the 5th connecting tube 512C blowouts can substantially arrive at each corner of the fin 11 of outdoor unit 1.Should When explanation, as long as transmission component 513C can realize the 5th connecting tube 512C of driving, along outdoor unit 1, side surface is reciprocal windward Movement, the present embodiment are not construed as limiting to its concrete structure.
Further, on the basis of second embodiment, the 5th connecting tube 512C is layed in the table of the windward side of outdoor unit 1 Face, the second exhaust vent is located at the 5th connecting tube 512C and the outdoor unit 1 relative side in side surface, and the second exhaust vent direction windward The fin 11 of outdoor unit 1.It should be noted that length direction distribution of second exhaust vent along the 5th connecting tube 512C, is expanded out Wind area so that the fin 11 of outdoor unit 1 can more fully receive hot-air, so as to improve defrost efficiency.It should say It is bright, in order to ensure can be reached on the fin 11 of outdoor unit 1 by the air of the second exhaust vent outflow, the hole of the second exhaust vent Footpath sets smaller so that the speed of air-out is bigger, therefore air can have enough power to reach on the fin 11 of outdoor unit 1.
Further, further to expand the 5th connecting tube 512C air-out area, some second exhaust vents may be configured as Different directions.During installation, the 5th connecting tube 512C is layed in the side surface windward of outdoor unit 1, and the of the 5th connecting tube 512C Two exhaust vents are towards on the fin 11 of outdoor unit 1.When starting air-supply, hot-air flows on the fin 11 of outdoor unit 1 from different directions, So as to further expand air-out area so that the fin 11 of outdoor unit 1 can more fully receive hot-air, so as to carry The defrost efficiency of high outdoor unit 1.
Further, outdoor unit defrosting device also includes being used to control the control circuit of blower fan 52 that blower fan 52 starts or stops (not shown).The control circuit of blower fan 52 includes being used for the TEMP for sensing outdoor environment temperature and output temperature signal Device, and for receiving temperature signal and according to temperature signal output control signal to control the control that blower fan 52 starts or stops Module.Wherein, temperature sensor is located at the outer surface of outdoor unit 1, the temperature signal output end and control module of temperature sensor Temperature signal input connection, the control signal output of control module is connected with blower fan 52.
In the present embodiment, temperature sensor is disposed in the outdoor the outside of machine 1, to detect the temperature of outdoor environment in real time, And the temperature inversion detected is sent to control module for magnitude of voltage.When the outdoor temperature that temperature sensor detects is less than pre- If during value, when being such as less than 0 DEG C.Then control module controls blower fan 52 to be powered and starts work.Blower fan 52 starts work, by the group that exchanges heat Hot-air around part 4 is sent on the fin 11 of outdoor unit 1, so as to play defrost or prevent the purpose of frosting.And work as outdoor ring When border temperature is higher, control module then controls blower fan 52 to power off and stops transmitting hot-air.The wind that outdoor unit defrosting device is set The control circuit of machine 52 realizes the start and stop of intelligent control blower fan 52, so as to play a part of saving electric energy.
The present invention also provides a kind of air conditioner, and the air conditioner includes outdoor unit defrosting device.The outdoor unit defrosting device Structure can refer to above-described embodiment, will not be repeated here.Naturally, because the air conditioner of the present embodiment employs above-mentioned room The technical scheme of outer machine defrosting device, therefore the air conditioner has all beneficial effects of above-mentioned outdoor unit defrosting device.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (7)

1. a kind of outdoor unit defrosting device, it is characterised in that including heat-exchanging component and air-supply assembly;Wherein,
The heat-exchanging component is at the refrigerant delivery pipe between the exhaust outlet and four-way valve of cooler compressor, for controlling State refrigerant delivery pipe and the heat exchange of outside air;
The air-supply assembly includes air-supply pipe fitting and blower fan, and the air-supply pipe fitting includes air inlet and air outlet, the ajutage The air inlet of part corresponds to the heat-exchanging component and set, and the air outlet of the air-supply pipe fitting corresponds to the fin setting of outdoor unit, described Air-blower control is flowed into the air-supply pipe fitting with the air after heat-exchanging component heat exchange by the air inlet, will be changed with described Air after hot component heat exchange is sent on the fin of outdoor unit;
The air-supply pipe fitting includes the first connecting tube, the second connecting tube and at least two the 3rd connecting tubes;Wherein described first connection One end of pipe is the air inlet of the air-supply pipe fitting, and the other end connects with second connecting tube;3rd connecting tube and institute The connection of the second connecting tube is stated, and the 3rd connecting tube is provided with least one first exhaust vent, first exhaust vent is towards institute The setting of outdoor unit fin is stated, first exhaust vent is the air outlet of the air-supply pipe fitting, and the 3rd connecting tube is layed in room The surface of outer machine windward side, side surface is relative windward with the outdoor unit located at the 3rd connecting tube for first exhaust vent Side, and first exhaust vent is towards the outdoor unit fin;Or
The air-supply pipe fitting includes the 4th connecting tube, the 5th connecting tube and transmission component, and one end of the 4th connecting tube is institute The air inlet of air-supply pipe fitting is stated, the other end connects with the 5th connecting tube;5th connecting tube is provided with least one second Exhaust vent, second exhaust vent are set towards the outdoor unit fin, and second exhaust vent goes out for the air-supply pipe fitting Air port;The transmission component is connected with the 5th connecting tube, for controlling the 5th connecting tube along the outdoor unit fin Move on surface.
2. outdoor unit defrosting device as claimed in claim 1, it is characterised in that the heat-exchanging component includes cooling base and set In some fin on the cooling base, the cooling base is provided with the through hole being adapted to the refrigerant delivery pipe, institute State cooling base to be sheathed in the refrigerant delivery pipe by the through hole, and be fixedly connected with the refrigerant delivery pipe.
3. outdoor unit defrosting device as claimed in claim 2, it is characterised in that the heat-exchanging component also includes being used to house institute The housing of pedestal and fin is stated, the both ends open of the housing is set, and one end of the housing corresponds to the air-supply pipe fitting Air inlet set.
4. outdoor unit defrosting device as claimed in claim 1, it is characterised in that the blower fan can be located at the air-supply pipe fitting It is interior;The blower fan can be also located between air inlet and the heat-exchanging component of the air-supply pipe fitting, and the air side of the blower fan Towards the air inlet of the air-supply pipe fitting.
5. outdoor unit defrosting device as claimed in claim 1, it is characterised in that it is described air-supply pipe fitting include the 4th connecting tube, 5th connecting tube and transmission component, one end of the 4th connecting tube for the air-supply pipe fitting air inlet, the other end with it is described 5th connecting tube connects;5th connecting tube is provided with least one second exhaust vent, and second exhaust vent is towards the room Outer machine fin is set, and second exhaust vent is the air outlet of the air-supply pipe fitting;The transmission component is connected with the described 5th Pipe connects, for controlling the 5th connecting tube to be moved along the outdoor unit fin surface;5th connecting tube is layed in institute State the surface of outdoor unit windward side, second exhaust vent is located at the 5th connecting tube and the outdoor unit side surface phase windward To side, and second exhaust vent is towards the outdoor unit fin.
6. outdoor unit defrosting device as claimed in claim 1, it is characterised in that also include being used for controlling the blower fan start or The draught fan control circuit of stopping;The draught fan control circuit includes being used for the temperature for sensing outdoor environment temperature and output temperature signal Sensor is spent, and for receiving the temperature signal and according to the temperature signal output control signal to control the blower fan The control module started or stoped;
Wherein, the temperature sensor is located at the outer surface of the outdoor unit, the temperature signal output end of the temperature sensor It is connected with the temperature signal input of the control module, the control signal output of the control module connects with the blower fan Connect.
7. a kind of air conditioner, it is characterised in that including the outdoor unit defrosting device as described in any one of claim 1 to 6.
CN201410264724.7A 2014-06-13 2014-06-13 Outdoor unit defrosting device and air conditioner Active CN105318453B (en)

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WO2018076189A1 (en) * 2016-10-25 2018-05-03 孙海潮 Outdoor unit for frost-free air conditioner
WO2018076185A1 (en) * 2016-10-25 2018-05-03 孙海潮 Outdoor unit for refrigerating heat pump type frost-free air conditioner
CN109099629B (en) * 2018-07-23 2020-12-29 海尔智家股份有限公司 Evaporator defrosting device and control method thereof
CN109945467A (en) * 2019-03-26 2019-06-28 珠海格力电器股份有限公司 Air conditioner and its control method

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