CN1632419A - Self-folding type air source heat pump water heater - Google Patents

Self-folding type air source heat pump water heater Download PDF

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Publication number
CN1632419A
CN1632419A CN 200410077681 CN200410077681A CN1632419A CN 1632419 A CN1632419 A CN 1632419A CN 200410077681 CN200410077681 CN 200410077681 CN 200410077681 A CN200410077681 A CN 200410077681A CN 1632419 A CN1632419 A CN 1632419A
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CN
China
Prior art keywords
condenser
outlet
choke valve
heat pump
self
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CN 200410077681
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Chinese (zh)
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CN1271384C (en
Inventor
刘金平
刘雪峰
许雄文
陈志勤
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华南理工大学
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Priority to CN 200410077681 priority Critical patent/CN1271384C/en
Publication of CN1632419A publication Critical patent/CN1632419A/en
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Publication of CN1271384C publication Critical patent/CN1271384C/en

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Abstract

The present invention provides a self-folding type air source heat pump water heater comprising a compressor, a condenser, a water tank, a gas-liquid separator, an evaporative condenser, a heat returning device, an evaporator, a fan, a defrosting heater, two throttles, seven temperature sensors, four controllers and two motors, the refrigeration agent tube connects the compressor, condenser, the evaporative condenser, the heat returning device, the evaporator and the throttles together to form a self-folding type air source heat pump circle, the condenser is arranged in the water tank. In the invention, heat is provided by air source, then water in the water tank is heated by emitted heat from the condenser by the refrigeration agent circle, the water tank adopts heat preservation material for heat preservation, and air pressure tube is provided on the top. The invention adopts self-folding type heat pump, which can operates at low temperature.

Description

A kind of self-folding type air source heat pump water heater
Technical field
The invention belongs to technical field of water heaters, relate in particular to a kind of self-folding type air source heat pump water heater.
Background technology
One of important symbol that the domestic hot-water become modernized high-quality life is provided the whole year, traditional electric heater all is directly to consume expensive high-quality electric energy at present, the thermal efficiency can not surpass 100%, and there are potential safety hazards such as electric leakage easily, do not meet the requirement of the energy policy and the strategy of sustainable development of China.Traditional solar water heater mainly heats water by electrical heating at sunshines such as dark clouds sleety weather and winters when not enough, and the big and poor stability of power consumption exists the heat capacity harmony poor in addition, installs shortcomings such as annual utilization rate is low.The single cycle air source hot pump water heater of present single working medium is when ambient air temperature is low, because compression ratio is big, and can not efficiency operation even can not work.
Summary of the invention
The objective of the invention is to deficiency, a kind of self-folding type air source heat pump water heater is provided at the prior art existence.The present invention utilizes the self-folding type air source heat pump circulation can realize high compression ratio, the working environment of the big temperature difference, can when being lower than 0 ℃, ambient air temperature still can normally provide 65 ℃ hot water, improved system architecture, make it to have simple in structure, low price such as installs and easy to operate at advantage, and is 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, the outlet of condenser is connected with the import of gas-liquid separator, 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, interconnect between the import of evaporation-condenser cryogen and a node arranged, 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; Described compressor also links to each other with first motor; Condenser is installed in the storage tank, and the temperature sensor of storage tank delivery port is connected to first controller, and first controller links to each other with first motor, with the start-stop of control heat pump; Second and third temperature sensor is connected to second controller, is in the evaporation-outlet of condenser cryogen and the exit of first choke valve respectively, and described second controller links to each other 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 the 3rd controller links to each other 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 place, centre position of the evaporimeter left and right sides respectively, described the 4th controller also links to each other with Defrost heater, second motor, and Defrost heater defrosts according to the automatic start-stop of evaporator air side frosting thickness; Described fan links to each other 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 the insulation material insulation, and barometric pipe is equipped with at the top.
Connection among the present invention between each parts of the close passage of formed cold-producing medium self-folding type heat pump cycle 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 the heat output device, and liberated heat is used for heat hot water, cold-producing medium condensation therein and emit 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; Gas-liquid separator separates condensed refrigerant liquid with uncooled refrigerant vapour; Second choke valve freezes refrigerant liquid throttling step-down; The most of high boiling and a small amount of lower boiling cold-producing medium sweat cooling of evaporation-condenser utilization absorbs the condensation heat of most of low boiling working fluid and a small amount of higher boiling working medium cold-producing medium, with most of low boiling working fluid and on a small quantity the refrigerant vapour of higher boiling working medium be condensed into liquid; Regenerator is that utilization is further cold excessively with the refrigerant liquid of most of low boiling working fluid and a small amount of higher boiling working medium from the low-temperature refrigerant steam that evaporimeter comes out; Fan is used for strengthening evaporator air side heat convection; Defrost heater defrosts according to the automatic start-stop of evaporator air side frosting thickness.
The present invention connects compressor, condenser, evaporation-condenser, regenerator, evaporimeter, choke valve with pipeline, form the self-folding type air source heat pump circulation, mixed working fluid separates through a constituent element in cyclic process, making has the mobile at the same time and transmission energy of two kinds of mixed working fluids in the whole circulation, feature with overlapping heat pump cycle, its separation process are equilibrium separation process.
The present invention compared with prior art has following beneficial effect:
Utilize the self-folding type air source heat pump circulation can realize high compression ratio, the working environment of the big temperature difference, can when being lower than 0 ℃, ambient air temperature still can normally provide 65 ℃ hot water, improved system architecture, make it to have simple in structure, low price is installed and advantage such as easy to operate, and is easy to utilize.
Description of drawings
Fig. 1 is the structural representation of self-folding type air source heat pump water heater of the present invention.
Among the figure: second choke valve 10-of 1-compressor 2-condenser 3-storage tank 4-gas-liquid separator 5-evaporation-condenser 6-regenerator 7-first choke valve 8-evaporimeter 9-fan 11-Defrost heater 12,13,14,15,16,17 and 18 are respectively first, second, the 3rd, the 4th, the 5th, the 6th, the 7th temperature sensor 19,20,21 and 22 are respectively first, second, the 3rd, the 4th controller 23 and 24 respectively first, second motor
The specific embodiment
In order to understand the present invention better, the present invention is done to describe further below in conjunction with accompanying drawing.
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, the 3rd, the 4th, the 5th, the 6th, the 7th temperature sensor is respectively 12,13,14,15,16,17 and 18, first, second, the 3rd, the 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, 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, interconnect between the import of evaporation-condenser 5 cryogens and a node arranged, the outlet of evaporation-condenser 5 cryogens 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 fluids, the import of evaporation-condenser 5 high temperature fluids 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 also links to each other with first motor 23; Condenser 2 is installed in the storage tank 3, and the temperature sensor 12 of storage tank 3 delivery ports is connected to first controller 19, and first controller 19 links to each other with first motor 23, with the start-stop of control 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 cryogens and the exit of first choke valve 7 respectively, described second controller 20 links to each other with first choke valve 7, to regulate the aperture of first choke valve 7; The 4th temperature sensor 15, the 5th temperature sensor 16 are connected to the 3rd controller 21, are in the export and import place of evaporimeter 8 respectively, and described the 3rd controller 21 links to each other with second choke valve 9, to regulate the aperture of second choke valve 9; The 6th temperature sensor 17, the 7th temperature sensor 18 are connected to the 4th controller 22, be in the place, centre position of evaporimeter 8 left and right sides respectively, described the 4th controller 22 also links to each other with Defrost heater 11, second motor 24, with the start-stop of control Defrost heater 11; Described fan 10 links to each other with second motor 24, and fan 10 is in Defrost heater 11 right opposite places, 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 the insulation material insulation, and barometric pipe is equipped with at the top.
Connection between each 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 forms the mist of HTHP through after compressor 1 compression, through condenser 2, hot water is heated to target temperature.At this moment, most of high boiling and a small amount of lower boiling working medium is condensed into liquid, through vapour liquid separator 4; Gas partly is that most of low boiling and a small amount of high boiling working medium are condensed into liquid after the working medium secondary cooling from the lower temperature after the throttling of second choke valve 9 in evaporation-condenser 5, pass through regenerator 6 again, the low-temperature refrigerant steam that utilization is come out from evaporimeter 8 is with the cold formation subcooled liquid of the further mistake of refrigerant liquid, subcooled liquid is through second choke valve 9 throttling, form the gas-liquid mixture of low-temp low-pressure, liquid-vapor mixture absorbs the heat of air through evaporimeter 8, become gas after the evaporation, pass through regenerator 6 again, be mixed into evaporation-condenser 5 with working medium from first choke valve 7.And pass through first choke valve 7 from the liquid that gas-liquid separator 4 is separated, decrease temperature and pressure, mix again with from the working medium of regenerator 6, after pervaporation-condenser 5 absorbs most of low boiling and a small amount of high boiling working medium condensation liberated heat, flash to gas, compressed again machine 1 is compressed into high pressure-temperature gas, finishes a circulation.
The present invention utilizes the self-folding type air source heat pump circulation can realize high compression ratio, the working environment of the big temperature difference, Can when ambient air temperature is lower than 0 ℃, still can normally provide 65 ℃ hot water, improve system architecture, Make it to have simple in structure, low price such as installs and easy to operate at the advantage, and is easy to utilize.

Claims (4)

1. self-folding type air source heat pump water heater, it is characterized in that, comprise 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, the outlet of condenser is connected with the import of gas-liquid separator, 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, interconnect between the import of evaporation-condenser cryogen and a node arranged, 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 also links to each other with first motor; Condenser is in the storage tank, and the temperature sensor of storage tank delivery port is connected to first controller, and first controller links to each other with first motor; Second and third temperature sensor is connected to second controller, is in the evaporation-outlet of condenser cryogen and the exit of first choke valve respectively, and described second controller links to each other 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 the 3rd controller links to each other 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 place, centre position of the evaporimeter left and right sides respectively, and described the 4th controller also links to each other with Defrost heater, second motor; Described fan links to each other with second motor.
2. self-folding type air source heat pump water heater according to claim 1 is characterized in that, the connection between each 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.
CN 200410077681 2004-12-28 2004-12-28 Self-folding type air source heat pump water heater CN1271384C (en)

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Application Number Priority Date Filing Date Title
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CN1632419A true CN1632419A (en) 2005-06-29
CN1271384C CN1271384C (en) 2006-08-23

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404980C (en) * 2006-02-27 2008-07-23 黄道德 Hot-pump water heater with air source
CN101839579A (en) * 2010-05-31 2010-09-22 西安交通大学 Auto-cascade heat pump with middle throttling element and adjusting method thereof
CN102392673A (en) * 2011-09-19 2012-03-28 东南大学 Frostless-air cooling and dehumidification system and method
CN102428326A (en) * 2009-06-06 2012-04-25 国际商业机器公司 Cooling infrastructure leveraging a combination of free and solar cooling
CN103105024A (en) * 2011-11-15 2013-05-15 松下电器产业株式会社 Refrigeration cycle apparatus and hot water producing apparatus
CN103234269A (en) * 2013-04-11 2013-08-07 王子忠 Frost-free air energy heat pump water heater system
CN104132473A (en) * 2014-07-31 2014-11-05 上海理工大学 Two-stage compression uninterruptible heating device and two-stage compression uninterruptible heating defrosting method
CN105135677A (en) * 2015-10-10 2015-12-09 浙江万宝新能源科技有限公司 Auto-cascade air source heat pump water heater
CN105135676A (en) * 2015-10-10 2015-12-09 浙江万宝新能源科技有限公司 Cascade heat accumulating type air source heat pump water heater
CN106610145A (en) * 2015-10-21 2017-05-03 青岛海尔新能源电器有限公司 Air source heat pump heating system and control method thereof
CN109564027A (en) * 2016-08-09 2019-04-02 三菱电机株式会社 Hot-water supply system and supplying hot water method
CN110108058A (en) * 2019-04-30 2019-08-09 上海利正卫星应用技术有限公司 The coupled system of air source heat pump and mixed working medium auto-cascade refrigeration
CN110173912A (en) * 2019-04-29 2019-08-27 同济大学 A kind of the mixed working fluid compression circulatory system and working method of the recuperation of heat of band machinery

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404980C (en) * 2006-02-27 2008-07-23 黄道德 Hot-pump water heater with air source
CN102428326B (en) * 2009-06-06 2014-07-16 国际商业机器公司 Cooling infrastructure leveraging a combination of free and solar cooling
CN102428326A (en) * 2009-06-06 2012-04-25 国际商业机器公司 Cooling infrastructure leveraging a combination of free and solar cooling
CN101839579A (en) * 2010-05-31 2010-09-22 西安交通大学 Auto-cascade heat pump with middle throttling element and adjusting method thereof
CN102392673A (en) * 2011-09-19 2012-03-28 东南大学 Frostless-air cooling and dehumidification system and method
CN103105024A (en) * 2011-11-15 2013-05-15 松下电器产业株式会社 Refrigeration cycle apparatus and hot water producing apparatus
CN103105024B (en) * 2011-11-15 2016-03-30 松下电器产业株式会社 Refrigerating circulatory device and hot water generating device
CN103234269A (en) * 2013-04-11 2013-08-07 王子忠 Frost-free air energy heat pump water heater system
CN103234269B (en) * 2013-04-11 2018-07-27 王子忠 Frost-free air energy heat pump water heater system
CN104132473A (en) * 2014-07-31 2014-11-05 上海理工大学 Two-stage compression uninterruptible heating device and two-stage compression uninterruptible heating defrosting method
CN105135677A (en) * 2015-10-10 2015-12-09 浙江万宝新能源科技有限公司 Auto-cascade air source heat pump water heater
CN105135676A (en) * 2015-10-10 2015-12-09 浙江万宝新能源科技有限公司 Cascade heat accumulating type air source heat pump water heater
CN106610145A (en) * 2015-10-21 2017-05-03 青岛海尔新能源电器有限公司 Air source heat pump heating system and control method thereof
CN109564027A (en) * 2016-08-09 2019-04-02 三菱电机株式会社 Hot-water supply system and supplying hot water method
CN109564027B (en) * 2016-08-09 2020-02-07 三菱电机株式会社 Hot water supply system and hot water supply method
CN110173912A (en) * 2019-04-29 2019-08-27 同济大学 A kind of the mixed working fluid compression circulatory system and working method of the recuperation of heat of band machinery
CN110173912B (en) * 2019-04-29 2020-10-02 同济大学 Mixed working medium compression circulation system with mechanical heat recovery function and working method
CN110108058A (en) * 2019-04-30 2019-08-09 上海利正卫星应用技术有限公司 The coupled system of air source heat pump and mixed working medium auto-cascade refrigeration

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