CN105135677A - Auto-cascade air source heat pump water heater - Google Patents
Auto-cascade air source heat pump water heater Download PDFInfo
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- CN105135677A CN105135677A CN201510648198.9A CN201510648198A CN105135677A CN 105135677 A CN105135677 A CN 105135677A CN 201510648198 A CN201510648198 A CN 201510648198A CN 105135677 A CN105135677 A CN 105135677A
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Abstract
The invention relates to an auto-cascade air source heat pump water heater which comprises a compressor, a condenser, a water storage tank, a gas-liquid separator, an evaporation-condensing apparatus, a heat regenerator, an evaporator, a fan, a defrosting heater, two throttling valves, seven temperature sensors, four controllers and two electromotors, wherein a refrigerant line connects the compressor, condenser, evaporation-condensing apparatus, heat regenerator, evaporator and throttling valves together to constitute an auto-cascade air source heat pump circulation; and the condenser is installed in the water storage tank. The heat energy of the auto-cascade air source heat pump water heater is supplied by an air source; and water in the water storage tank is heated by the heat energy released by the condenser; the water storage tank adopts a thermal-insulation material for thermal insulation; and the top is provided with an air pressure balance pipe. Due to the adoption of the auto-cascade heat pump circulation, the auto-cascade air source heat pump water heater can work normally when the ambient air temperature is lower, can supply heat in all kinds of weather, has favorable adaptability all the year around, has the advantages of simple structure and the like, and is convenient to install. The auto-cascade air source heat pump water heater can be widely suitable for production and domestic water of people.
Description
Technical field
The invention belongs to technical field of water heaters, particularly relate to a kind of self-folding type air source heat pump water heater.
Background technology
Domestic hot-water is provided the whole year to become one of important symbol of modernization high-quality life, electric heater traditional is at present all directly consume expensive high-quality electric energy, the thermal efficiency can not more than 100%, and there is the potential safety hazards such as easily electric leakage, do not meet the energy policy of China and the requirement of the strategy of sustainable development.Traditional solar water heater is when the sunshine such as dark clouds sleety weather and winter is not enough mainly by electrical heating water heating, and the large and poor stability of power consumption, exists heat capacity harmonious poor, the shortcomings such as the device utilization rate whole year is low in addition.The single cycle air source hot pump water heater of current single working medium, when ambient air temperature is lower, because compression ratio is large, can not efficiency operation even can not work.
Summary of the invention
The object of the invention is to the deficiency existed for prior art, a kind of self-folding type air source heat pump water heater is provided.The present invention utilizes self-folding type air source heat pump to circulate can realize high compression ratio, the working environment of the large temperature difference, can at ambient air temperature lower than the hot water that still normally can provide 65 DEG C when 0 DEG C, improve system architecture, make it that there is structure simple, low price, installs and the advantage such as easy to operate, easy to utilize.
For achieving the above object, the present invention adopts following technical scheme: self-folding type air source heat pump water heater of the present invention comprises compressor, condenser, storage tank, gas-liquid separator, evaporate a condenser, regenerator, evaporimeter, fan, Defrost heater, two choke valves, seven temperature sensors, four controllers and two motor, the exhaust outlet of described compressor is connected with the air inlet of condenser, and the outlet of condenser is connected with the import of gas-liquid separator, and the liquid outlet of gas-liquid separator is connected with first choke valve, the outlet of first choke valve, the outlet of the cryogen of regenerator, be interconnected between the import of evaporation-condenser cryogen and have a node, the outlet of evaporation-condenser cryogen is connected with compressor, the import of the cryogen of regenerator is connected with the outlet of evaporimeter, the import of evaporimeter exports with second choke valve ground and is connected, the import of second choke valve is connected with the outlet of the high temperature fluid of regenerator, the import of the high temperature fluid of regenerator is connected with the outlet of evaporation-condenser high temperature fluid, the import of evaporation-condenser high temperature fluid is connected with the gas outlet of gas-liquid separator, forms the close passage of cold-producing medium self-folding type heat pump cycle, described compressor is also connected with first motor, condenser is arranged in storage tank, and the temperature sensor of storage tank delivery port is connected to first controller, and first controller is connected with first motor, to control the start-stop of heat pump, second and third temperature sensor is connected to second controller, is in the outlet of evaporation-condenser cryogen and the exit of first choke valve respectively, and described second controller is connected with first choke valve, to regulate the aperture of first choke valve, fourth, fifth temperature sensor is connected to the 3rd controller, is in the export and import place of evaporimeter respectively, and described 3rd controller is connected with second choke valve, to regulate the aperture of second choke valve, six, seven temperature sensors are connected to the 4th controller, be in the middle position of the evaporimeter left and right sides respectively, described 4th controller is also connected with Defrost heater, second motor, and Defrost heater defrosts according to the automatic start-stop of evaporator air side frosting thickness, described fan is connected with second motor, and fan is in Defrost heater right opposite place, is used for strengthening the heat convection of evaporator air side.
Described storage tank adopts insulation material insulation, and barometric pipe is equipped with at top.
Connection between all parts of the close passage of the cold-producing medium self-folding type heat pump cycle formed in the present invention adopts pipeline to connect, pipe outer wrapping thermal-insulating waterproof material.
Compressor is the engine of whole cascade type heat pump circulation, plays the effect of refrigerant conveying, makes condenser, evaporation-condenser and evaporimeter form certain pressure reduction; Condenser is heat output device, and liberated heat is used for heat hot water, cold-producing medium condensation wherein and release heat, and most of higher boiling working medium becomes liquid with the condensation of refrigerant of a small amount of low boiling working fluid; Storage tank is the container of stored hot water; The refrigerant liquid of condensation is separated with uncooled refrigerant vapour by gas-liquid separator; Refrigerant liquid reducing pressure by regulating flow freezes by second choke valve; Evaporation-condenser utilizes the high boiling and a small amount of lower boiling cold-producing medium sweat cooling of major part to absorb the condensation heat of most of low boiling working fluid and a small amount of higher boiling working medium cold-producing medium, and the refrigerant vapour of most of low boiling working fluid and a small amount of higher boiling working medium is condensed into liquid; Regenerator utilizes excessively cold further for the refrigerant liquid of most of low boiling working fluid and a small amount of higher boiling working medium from evaporimeter low-temperature refrigerant steam out; Fan is used to enhancing evaporator air side heat convection; Defrost heater defrosts according to the automatic start-stop of evaporator air side frosting thickness.
Compressor, condenser, evaporation-condenser, regenerator, evaporimeter, choke valve connect by the present invention's pipeline, the circulation of composition self-folding type air source heat pump, mixed working fluid is separated through a constituent element in cyclic process, make in whole circulation, have two kinds of mixed working fluids to flow at the same time and transferring energy, have the feature of overlapping heat pump cycle, its separation process is equilibrium separation process.
The present invention compared with prior art has following beneficial effect: utilize self-folding type air source heat pump to circulate and can realize high compression ratio, the working environment of the large temperature difference, can at ambient air temperature lower than the hot water that still normally can provide 65 DEG C when 0 DEG C, improve system architecture, make it that there is structure simple, low price is installed and the advantage such as easy to operate, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the structural representation of self-folding type air source heat pump water heater of the present invention.
In figure: 1-compressor 2-condenser 3-storage tank 4-gas-liquid separator 5-evaporation-condenser 6-regenerator 7-first choke valve 8-evaporimeter 9-second choke valve 10-fan 11-Defrost heater 12,13,14,15,16,17 and 18 is respectively the first, second, third, fourth, the 5th, the 6th, the 7th temperature sensor 19,20,21 and 22 and is respectively first, second, third, fourth controller 23 and 24 first, second motor respectively.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, self-folding type air source heat pump water heater of the present invention comprises compressor 1, condenser 2, storage tank 3, gas-liquid separator 4, evaporation-condenser 5, regenerator 6, evaporimeter 8, fan 10, Defrost heater 11, first choke valve 7 and second choke valve 9, first, second, 3rd, 4th, 5th, 6th, 7th temperature sensor is respectively 12, 13, 14, 15, 16, 17 and 18, first, second, 3rd, 4th controller is respectively 19, 20, 21 and 22, first, second motor is respectively 23 and 24, the exhaust outlet of described compressor 1 is connected with the air inlet of condenser 2, the outlet of condenser 2 is connected with the import of gas-liquid separator 4, and the liquid outlet of gas-liquid separator 4 is connected with first choke valve 7, the outlet of first choke valve 7, the outlet of the cryogen of regenerator 6, be interconnected between the import of evaporation-condenser 5 cryogen and have a node, the outlet of evaporation-condenser 5 cryogen is connected with compressor 1, the import of the cryogen of regenerator 6 is connected with the outlet of evaporimeter 8, the import of evaporimeter 8 is connected with the outlet of second choke valve 9, the import of second choke valve 9 is connected with the outlet of the high temperature fluid of regenerator 6, the import of the high temperature fluid of regenerator 6 is connected with the outlet of evaporation-condenser 5 high temperature fluid, the import of evaporation-condenser 5 high temperature fluid is connected with the gas outlet of gas-liquid separator 4, forms the close passage of cold-producing medium self-folding type heat pump cycle, described compressor 1 is also connected with first motor 23, condenser 2 is arranged in storage tank 3, and the temperature sensor 12 of storage tank 3 delivery port is connected to first controller, 19, first controller 19 and is connected with first motor 23, to control the start-stop of heat pump, second temperature sensor 13, the 3rd temperature sensor 14 are connected to second controller 20, be in the outlet of evaporation-condenser 5 cryogen and the exit of first choke valve 7 respectively, described second controller 20 is connected with first choke valve 7, to regulate the aperture of first choke valve 7, 4th temperature sensor 15, the 5th temperature sensor 16 are connected to the 3rd controller 21, and be in the export and import place of evaporimeter 8 respectively, described 3rd controller 21 is connected with second choke valve 9, to regulate the aperture of second choke valve 9, 6th temperature sensor 17, the 7th temperature sensor 18 are connected to the 4th controller 22, be in the middle position of evaporimeter 8 left and right sides respectively, described 4th controller 22 is also connected with Defrost heater 11, second motor 24, to control the start-stop of Defrost heater 11, described fan 10 is connected with second motor 24, and fan 10 is in Defrost heater 11 right opposite place, is used for strengthening the heat convection of evaporimeter 8 air side, Defrost heater 11 defrosts according to the automatic start-stop of evaporimeter 8 air side frosting thickness.
Storage tank 3 adopts insulation material to be incubated, and barometric pipe is equipped with at top.
Connection between all parts of the close passage of above-mentioned cold-producing medium self-folding type heat pump cycle adopts refrigerant line to connect, pipe outer wrapping thermal-insulating waterproof material.
Mixed working fluid, after compressor 1 compresses, forms the mist of HTHP, through condenser 2, by hot water heating to target temperature.Now, the high boiling and a small amount of lower boiling working fluid condenses of major part becomes liquid, through vapour liquid separator 4, gas fraction and most of low boiling and a small amount of high boiling working medium are condensed into liquid by after the working medium cooling twice of the lower temperature after the throttling from second choke valve 9 in evaporation-condenser 5, again through regenerator 6, utilize cold for further for refrigerant liquid mistake formation subcooled liquid from evaporimeter 8 low-temperature refrigerant steam out, subcooled liquid is through the throttling of second choke valve 9, form the gas-liquid mixture of low-temp low-pressure, liquid-vapor mixture absorbs the heat of air through evaporator 8, gas is become after evaporation, again through regenerator 6, be mixed into the working medium from first choke valve 7 and evaporate-condenser 5.And the liquid separated from gas-liquid separator 4 is through first choke valve 7, decrease temperature and pressure, mix with the working medium from regenerator 6 again, absorb after most of low boiling and a small amount of high boiling working fluid condenses liberated heat through pervaporation-condenser 5, flash to gas, be compressed into pressure high temperature hot gas through compressor 1 again, complete a circulation.
The present invention utilizes self-folding type air source heat pump to circulate can realize high compression ratio, the working environment of the large temperature difference, can at ambient air temperature lower than the hot water that still normally can provide 65 DEG C when 0 DEG C, improve system architecture, make it that there is structure simple, low price, installs and the advantage such as easy to operate, easy to utilize.
Claims (4)
1. self-folding type air source heat pump water heater, is characterized in that, comprises compressor, condenser, storage tank, gas-liquid separator, evaporation-condenser, regenerator, evaporimeter, fan, Defrost heater, two choke valves, seven temperature sensors, four controllers and two motor, the exhaust outlet of described compressor is connected with the air inlet of condenser, and the outlet of condenser is connected with the import of gas-liquid separator, and the liquid outlet of gas-liquid separator is connected with first choke valve, the outlet of first choke valve, the outlet of the cryogen of regenerator, be interconnected between the import of evaporation-condenser cryogen and have a node, the outlet of evaporation-condenser cryogen is connected with compressor, the import of the cryogen of regenerator is connected with the outlet of evaporimeter, the import of evaporimeter is connected with the outlet of second choke valve, the import of second choke valve is connected with the outlet of the high temperature fluid of regenerator, the import of the high temperature fluid of regenerator is connected with the outlet of evaporation-condenser high temperature fluid, the import of evaporation-condenser high temperature fluid is connected with the gas outlet of gas-liquid separator, forms the close passage of cold-producing medium self-folding type heat pump cycle, compressor is also connected with first motor, condenser is in storage tank, and the temperature sensor of storage tank delivery port is connected to first controller, and first controller is connected with first motor, second and third temperature sensor is connected to second controller, is in the outlet of evaporation-condenser cryogen and the exit of first choke valve respectively, and described second controller is connected with first choke valve, to regulate the aperture of first choke valve, fourth, fifth temperature sensor is connected to the 3rd controller, is in the export and import place of evaporimeter respectively, and described 3rd controller is connected with second choke valve, to regulate the aperture of second choke valve, six, seven temperature sensors are connected to the 4th controller, are in the middle position of the evaporimeter left and right sides respectively, and described 4th controller is also connected with Defrost heater, second motor, described fan is connected with second motor.
2. self-folding type air source heat pump water heater according to claim 1, is characterized in that, the connection between all parts of the close passage of described cold-producing medium self-folding type heat pump cycle adopts pipeline to connect, pipe outer wrapping thermal-insulating waterproof material.
3. self-folding type air source heat pump water heater according to claim 1, is characterized in that, described fan is in Defrost heater right opposite place, is used for strengthening evaporator air side heat convection.
4. self-folding type air source heat pump water heater according to claim 1, is characterized in that, barometric pipe is equipped with at the top of described storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648198.9A CN105135677A (en) | 2015-10-10 | 2015-10-10 | Auto-cascade air source heat pump water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510648198.9A CN105135677A (en) | 2015-10-10 | 2015-10-10 | Auto-cascade air source heat pump water heater |
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| CN105135677A true CN105135677A (en) | 2015-12-09 |
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| CN201510648198.9A Pending CN105135677A (en) | 2015-10-10 | 2015-10-10 | Auto-cascade air source heat pump water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928200A (en) * | 2016-04-28 | 2016-09-07 | 湖南科技大学 | Air source heat pump high-temperature water heating system suitable for low-temperature environment |
| CN109028571A (en) * | 2018-09-19 | 2018-12-18 | 东莞市正旭新能源设备科技有限公司 | overlapping air source heat pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1632419A (en) * | 2004-12-28 | 2005-06-29 | 华南理工大学 | Self-folding type air source heat pump water heater |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101975450A (en) * | 2010-11-03 | 2011-02-16 | 上海理工大学 | Air source heat pump water heater |
| CN102297512A (en) * | 2011-08-12 | 2011-12-28 | 侯全舵 | Cascade type heat pump system |
| CN203364496U (en) * | 2013-06-09 | 2013-12-25 | 张翠珍 | Auto-cascade type refrigeration and heating all-in-one machine of refrigerator, air conditioner and water heater |
-
2015
- 2015-10-10 CN CN201510648198.9A patent/CN105135677A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632419A (en) * | 2004-12-28 | 2005-06-29 | 华南理工大学 | Self-folding type air source heat pump water heater |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101975450A (en) * | 2010-11-03 | 2011-02-16 | 上海理工大学 | Air source heat pump water heater |
| CN102297512A (en) * | 2011-08-12 | 2011-12-28 | 侯全舵 | Cascade type heat pump system |
| CN203364496U (en) * | 2013-06-09 | 2013-12-25 | 张翠珍 | Auto-cascade type refrigeration and heating all-in-one machine of refrigerator, air conditioner and water heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928200A (en) * | 2016-04-28 | 2016-09-07 | 湖南科技大学 | Air source heat pump high-temperature water heating system suitable for low-temperature environment |
| CN105928200B (en) * | 2016-04-28 | 2019-03-01 | 湖南科技大学 | A kind of air source heat pump high temperature water heating system suitable for low temperature environment |
| CN109028571A (en) * | 2018-09-19 | 2018-12-18 | 东莞市正旭新能源设备科技有限公司 | overlapping air source heat pump |
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Application publication date: 20151209 |
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