CN204187787U - A kind of microwave frost removal type domestic air conditioner - Google Patents
A kind of microwave frost removal type domestic air conditioner Download PDFInfo
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- CN204187787U CN204187787U CN201420646694.1U CN201420646694U CN204187787U CN 204187787 U CN204187787 U CN 204187787U CN 201420646694 U CN201420646694 U CN 201420646694U CN 204187787 U CN204187787 U CN 204187787U
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- microwave
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- air intake
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Abstract
The utility model discloses a kind of microwave frost removal type domestic air conditioner.The utility model, on the basis of conventional air conditioner, adds microwave defrost system, is namely provided with metal micro-holes plate at air outlet; Air intake vent is three, is located at the side being positioned at air outlet of casing, opposite and above respectively; Be positioned on the side of air outlet and the air intake vent on opposite and controlled blinds is installed; The air intake vent be positioned at above air outlet is provided with secondary blower fan, and be provided with a rainproof anti-microwave from leakage circle cap above this air intake vent, the top all around of rainproof anti-microwave leakage circle cap is surrounded by metal micro-holes plate; Immediately below secondary blower fan, above axial flow blower, be provided with a magnetron, magnetron is supported by the lateral isolation plate be fixed in casing; The below of described outdoor heat exchanger is provided with water receiving tank, and water receiving tank is connected with drainpipe.The utility model optionally heats frost, frost is heated evenly and realizes defrosting rapidly, heat pump continuous firing during defrosting.
Description
Technical field
The utility model belongs to a kind of domestic air conditioner, particularly relates to a kind of domestic air conditioner with microwave defrost function.
Background technology
The domestic air conditioner used in the market, be heat pump type air conditioner mostly, especially air source heat pump is in the majority.And there is a great drawback in this air-conditioning, be exactly in the winter time heating operation time, along with the reduction of outdoor temperature, evaporating temperature also reduces, systematic function reduce.When outdoor heat exchanger surface temperature is equal to or less than 0 DEG C, the moisture in air will in heat exchanger surface condensation also frosting.Frost layer adds the heat transfer resistance of outdoor heat exchanger; heat transfer coefficient reduces; and air is also increased by the resistance of outdoor heat exchanger; make to be reduced by the air quantity of outdoor heat exchanger; its caloric receptivity is caused to reduce; the heating capacity of such air-conditioning system and performance all can decline, and occur shutting down, make air-conditioning system cisco unity malfunction time serious.
A lot of adverse effect will be there is in air-conditioner outdoor unit frosting, as: passage between (1) blocking fin, increases air flow resistance; (2) increase heat exchanger thermal resistance, exchange capability of heat declines; (3), time with defrost mode operation, not only can not heat, also need consumption of calorie simultaneously; (4) evaporating temperature declines, and Energy Efficiency Ratio reduces, operation of heat pump penalty, even cisco unity malfunction; (5) air-conditioner is as cisco unity malfunction, certainly will affect indoor thermal comfort.Above-mentioned drawback seriously hinders the further genralrlization of heat pump type air conditioner.
For solving the problem of air source heat pump temperature, carried out a large amount of preventing/defrosting research both at home and abroad, at present, the Defrost mode of air source heat pump mainly contains: (1) does not heat defrosting: sweep frost and termination round-robin method.(2) heating defrosting: method conventional at present has following several:
The first, electric heated defrosting.Heating is the simplest Defrost method, and the method is on outdoor heat exchanger, install the resistance of suitable power, when frost long-pending on outdoor heat exchanger is serious, opens electric switch, the defrosting of heating wire heating power.The method is easy to use, but the large and partial heat of power consumption is dispersed in air and goes, so energy consumption is higher.
The second, reverse.The method converts heating operations to process of refrigerastion by four-way change-over valve, and such heat pump absorbs heat indoor and is discharged to outdoor heat exchanger, to melt the long-pending frost on outdoor heat exchanger.This method does not need additional any equipment, only need allow four-way change-over valve action when needs defrost.But when also bringing such as defrosting, indoor temperature declines, the shortcomings such as four-way change-over valve acts frequently, noise is large, easy to wear.
3rd, hot gas defrosting method.Hot gas bypass defrosting is by bypass circulation, and the high-temperature exhaust air of compressor is directly introduced outdoor heat exchanger to defrost.In defrost process, indoor and outdoor heat exchanger fan is out of service, amount of stored heat two parts of the electric power that the origin of heat of defrosting consumes for compressor and compressor housing.The method makes air source heat pump heat supply interruption and defrosting time is slow.
To be prevented by domestic and international air source heat pump or to delay the present Research of frosting known, owing to being subject to the restriction of technology, application conditions, efficiency, economic dispatch factor, still to be improved in solution domestic air conditioner temperature problem.
Summary of the invention
The purpose of this utility model is, for the above-mentioned defect existed in prior art, to provide one optionally to heat frost, frost is heated evenly and realizes defrosting rapidly, the microwave frost removal type domestic air conditioner of heat pump continuous firing during defrosting.
The purpose of this utility model realizes by the following technical solutions: this microwave frost removal type domestic air conditioner, comprises the indoor set and off-premises station that are connected by refrigerant tubing; Indoor set comprises indoor heat exchanger; The axial flow main air blower that off-premises station comprises casing, compressor, cross valve, outdoor heat exchanger, main capillary, secondary capillary, check valve, gas-liquid separator, air intake vent, air outlet and is installed in air outlet; Be characterized in: described air outlet is provided with metal micro-holes plate; Described air intake vent is three, and what be located at casing respectively is positioned at above the side of air outlet, the opposite of air outlet and air outlet; Described being positioned on the side of air outlet and the air intake vent on opposite is provided with controlled blinds; The described air intake vent be positioned at above air outlet is provided with secondary blower fan, and be provided with a rainproof anti-microwave from leakage circle cap above this air intake vent, the top all around of described rainproof anti-microwave leakage circle cap is surrounded by metal micro-holes plate; Immediately below secondary blower fan, above axial flow blower, be provided with a magnetron, magnetron is supported by the lateral isolation plate be fixed in casing; The below of described outdoor heat exchanger is provided with water receiving tank, and water receiving tank is connected with drainpipe; Metal micro-holes plate on the controlled blinds that described two air intake vents are installed, another air intake vent, the metal micro-holes plate on air outlet form microwave magnetic together with casing and to shake chamber.
Concrete, described rainproof anti-microwave leakage circle cap is made up of the conical cap at hollow cylinder and its top, and the top of hollow cylinder is surrounded by metal micro-holes plate, and bottom is surrounded by metallic plate, and conical cap is made up of metallic plate.
Concrete, described controlled blinds is made of metal.
Concrete, the blade of described secondary blower fan and axial flow main air blower is made of metal.
The utility model in the winter time, evaporator fin surface temperature is lower than air dew point temperature and after frosting, frost is heated by magnetron microwave selective, drain after making frost be melted into water, rapidly, thoroughly, can reduce the load of compressor, power consumption is few and be the defrost when continuous operation in the method defrost, make room continue heating, indoor comfort is improved greatly.Be summed up, the utility model has following advantage:
(1) microwave has selective, only heats the frost on fin, other devices of off-premises station will be also had to have an impact to air.
(2) frost is heated evenly, and thoroughly, speed is fast, effective in defrosting.
(3) the utility model air-conditioner defrosts when continuous service, improves air-conditioning effect to a certain extent, ensure that indoor lasting heating, improve indoor comfort degree.
Accompanying drawing explanation
Fig. 1 is the flow chart under winter heating's operating mode of the utility model embodiment.
Fig. 2 is the external structure schematic diagram of the off-premises station of the utility model embodiment.
Fig. 3 is the internal structure schematic diagram of the off-premises station of the utility model embodiment.
Fig. 4 is the internal structure left view of the off-premises station of the utility model embodiment.
Fig. 5 be the off-premises station nominal situation leeward of the utility model embodiment flow to top view.
When Fig. 6 is the off-premises station defrosting of the utility model embodiment, wind flows to top view.
Fig. 7 is the plan view of the controlled blinds 16 of the off-premises station of the utility model embodiment.
Fig. 8 is the plan view of the controlled blinds 17 of the off-premises station of the utility model embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1 to Fig. 4, the present embodiment comprises the indoor set and off-premises station that are connected by refrigerant tubing; Indoor set comprises indoor heat exchanger 1; The axial flow main air blower 11 that off-premises station comprises casing 2, compressor 3, cross valve 4, outdoor heat exchanger 5, main capillary 6, secondary capillary 7, check valve 8, gas-liquid separator 9, air intake vent, air outlet 10 and is installed in air outlet 10.From Fig. 1 and Fig. 4, the air outlet 10 of the present embodiment is provided with metal micro-holes plate 12, and air intake vent is three: be located at the air intake vent 15 above the air intake vent 13 (Fig. 2 to Fig. 4 does not draw) being arranged in the side of air outlet 10 of casing 2, the air intake vent 14 (Fig. 2 to Fig. 4 does not draw) on the opposite of air outlet 10, air outlet 10.Simultaneously see Fig. 5 to Fig. 8, air intake vent 13 is provided with controlled blinds 16, air intake vent 14 is provided with controlled blinds 17, controlled blinds 16,17 is all made of metal.Be provided with secondary blower fan 18 in air intake vent 15, the blade of secondary blower fan 16 and axial flow main air blower 11 is all made of metal.A rainproof anti-microwave from leakage circle cap 19 is provided with above air intake vent 15, from Fig. 2, Fig. 4, rainproof anti-microwave leakage circle cap 19 is made up of the conical cap at hollow cylinder and its top, the top of hollow cylinder is surrounded by metal micro-holes plate 191, bottom is surrounded by metallic plate, and conical cap is made up of metallic plate; This structure can prevent rainwater from entering in casing by air intake vent 15, during microwave defrosting in winter, also can prevent microwave leakage.Immediately below secondary blower fan 18, be provided with magnetron 20 above axial flow blower 11, magnetron 20 is supported by the lateral isolation plate 21 be fixed in casing 2; The below of outdoor heat exchanger 5 is provided with water receiving tank 22, and water receiving tank 22 is connected with drainpipe 23.Controlled blinds 17,18 is in opening when normal work, wind enters casing 2 by controlled blinds, during defrosting, controlled blinds is in closure state, form a closed space to prevent microwave from leakage, at this moment, controlled blinds 17,18, the metal micro-holes plate 191 on air intake vent 15, the metal micro-holes plate 12 on air outlet 10 jointly forms microwave magnetic together with casing 2 and to shake chamber.Magnetron 20 can produce heat when launched microwave, heats the air from air intake vent 15, and blows to the surface of outdoor heat exchanger 5, to accelerate the speed of defrost.Secondary blower fan 18 is when defrost state, air enters casing 2 by secondary blower fan 18, discharge through axial flow main air blower 11 again, flowing downward of air accelerates the flowing velocity of thawing water on outdoor heat exchanger 5, the flowing of water produces friction, accelerate the thawing of the inside frost, and the moisture film formed slow down the speed of frosting once again.Because the blade of secondary blower fan 18 and axial flow main air blower 11 is made of metal, its high-speed rotation also has shield microwaves to extraradial effect, blower fan quick rotation, all directions reflection in backward casing 2 on Microwave emission to blade, frost optionally on heating clamber external heat exchanger 5, defrost evenly, rapidly, thoroughly.
Under winter normal heating condition, carrying out practically process of the present utility model is as described below: see Fig. 1, and the running of this air-conditioning is identical with the running of traditional air conditioner.Compressor 3 outdoor heat exchanger 5 (i.e. evaporimeter) sucks the refrigerant vapour of low-temp low-pressure, is compressed into the gas of HTHP, enters indoor heat exchanger 1 (i.e. condenser), makes cold-producing medium be condensed into the liquid of cryogenic high pressure wherein.High pressure liquid refrigerant is after capillary 6,7 reducing pressure by regulating flow, and become Low temperature low pressure liquid, the heat of vaporization in evaporimeter in absorption chamber outer air becomes the steam of low-temp low-pressure, and then is sucked by compressor 3, repeats above-mentioned kind of refrigeration cycle.
Under frozen condition, this heating still as above operates, and the controlled blinds 17,18 of off-premises station closes, and air enters casing from secondary blower fan 18 (i.e. air intake vent 15), then is discharged by axial flow main air blower 11 (i.e. air outlet 10); Wind is parallel to evaporimeter and flows straight down, and air blows on the frost of evaporimeter, can play the effect of enhanced heat exchange; In addition, the wind being parallel to fin skims over frosting, carries the water droplet melting and flows downward, and the moisture film of formation slow down the possibility of frosting once again; The magnetic that magnetron microwave forms to metal micro-holes plate, metal louvres and casing shakes in chamber, under the disturbance of blower fan, in casing, all directions are launched, the then frost on optionally heating fumigators surface, the thawing water flow down from evaporimeter flows to the water receiving tank 22 of bottom, then is drained by drainage pipeline 23.
Claims (4)
1. a microwave frost removal type domestic air conditioner, comprises the indoor set and off-premises station that are connected by refrigerant tubing; Indoor set comprises indoor heat exchanger; The axial flow main air blower that off-premises station comprises casing, compressor, cross valve, outdoor heat exchanger, main capillary, secondary capillary, check valve, gas-liquid separator, air intake vent, air outlet and is installed in air outlet; It is characterized in that: described air outlet is provided with metal micro-holes plate; Described air intake vent is three, and what be located at casing respectively is positioned at above the side of air outlet, the opposite of air outlet and air outlet; Described being positioned on the side of air outlet and the air intake vent on opposite is provided with controlled blinds; The described air intake vent be positioned at above air outlet is provided with secondary blower fan, and be provided with a rainproof anti-microwave from leakage circle cap above this air intake vent, the top all around of described rainproof anti-microwave leakage circle cap is surrounded by metal micro-holes plate; Immediately below secondary blower fan, above axial flow main air blower, be provided with a magnetron, magnetron is supported by the lateral isolation plate be fixed in casing; The below of described outdoor heat exchanger is provided with water receiving tank, and water receiving tank is connected with drainpipe; Metal micro-holes plate on the controlled blinds that described two air intake vents are installed, another air intake vent, the metal micro-holes plate on air outlet form microwave magnetic together with casing and to shake chamber.
2. microwave frost removal type domestic air conditioner according to claim 1, it is characterized in that: described rainproof anti-microwave leakage circle cap is made up of the conical cap at hollow cylinder and its top, the top of hollow cylinder is surrounded by metal micro-holes plate, and bottom is surrounded by metallic plate, and conical cap is made up of metallic plate.
3. microwave frost removal type domestic air conditioner according to claim 1 or 2, is characterized in that: described controlled blinds is made of metal.
4. microwave frost removal type domestic air conditioner according to claim 3, is characterized in that: the blade of described secondary blower fan and axial flow main air blower is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646694.1U CN204187787U (en) | 2014-10-31 | 2014-10-31 | A kind of microwave frost removal type domestic air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646694.1U CN204187787U (en) | 2014-10-31 | 2014-10-31 | A kind of microwave frost removal type domestic air conditioner |
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| CN204187787U true CN204187787U (en) | 2015-03-04 |
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| CN201420646694.1U Expired - Fee Related CN204187787U (en) | 2014-10-31 | 2014-10-31 | A kind of microwave frost removal type domestic air conditioner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482245A (en) * | 2016-10-20 | 2017-03-08 | 珠海格力电器股份有限公司 | Air conditioner housing and the outdoor machine of air-conditioner with it |
| CN108592275A (en) * | 2018-06-24 | 2018-09-28 | 深圳东盟建材实业有限公司 | A kind of self-purging air conditioning humiture and oxygen processed air-supply all-in-one machine |
| CN111076364A (en) * | 2019-12-25 | 2020-04-28 | 珠海格力电器股份有限公司 | Heat exchanger assembly, air conditioner and air conditioner control method |
| CN111536598A (en) * | 2020-04-22 | 2020-08-14 | 青岛海信日立空调系统有限公司 | Air conditioner and auxiliary heating control method thereof |
| CN111578557A (en) * | 2019-02-18 | 2020-08-25 | 山东嘉迪新能源科技有限公司 | Air source heat pump |
| CN113623763A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
| CN113623765A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
| CN113623764A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
-
2014
- 2014-10-31 CN CN201420646694.1U patent/CN204187787U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482245A (en) * | 2016-10-20 | 2017-03-08 | 珠海格力电器股份有限公司 | Air conditioner housing and the outdoor machine of air-conditioner with it |
| CN108592275A (en) * | 2018-06-24 | 2018-09-28 | 深圳东盟建材实业有限公司 | A kind of self-purging air conditioning humiture and oxygen processed air-supply all-in-one machine |
| CN111578557A (en) * | 2019-02-18 | 2020-08-25 | 山东嘉迪新能源科技有限公司 | Air source heat pump |
| CN111076364A (en) * | 2019-12-25 | 2020-04-28 | 珠海格力电器股份有限公司 | Heat exchanger assembly, air conditioner and air conditioner control method |
| CN111536598A (en) * | 2020-04-22 | 2020-08-14 | 青岛海信日立空调系统有限公司 | Air conditioner and auxiliary heating control method thereof |
| CN111536598B (en) * | 2020-04-22 | 2022-05-10 | 青岛海信日立空调系统有限公司 | Air conditioner and auxiliary heating control method thereof |
| CN113623763A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
| CN113623765A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
| CN113623764A (en) * | 2020-05-07 | 2021-11-09 | 青岛海信日立空调系统有限公司 | Outdoor machine of air conditioner |
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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 |
Granted publication date: 20150304 Termination date: 20171031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |