CN109764388A - A kind of coal ultra-low temperature air source heat pump all-in-one machine - Google Patents

A kind of coal ultra-low temperature air source heat pump all-in-one machine Download PDF

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Publication number
CN109764388A
CN109764388A CN201910023855.9A CN201910023855A CN109764388A CN 109764388 A CN109764388 A CN 109764388A CN 201910023855 A CN201910023855 A CN 201910023855A CN 109764388 A CN109764388 A CN 109764388A
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CN
China
Prior art keywords
water
pipe
heat pump
connecting leg
heat exchange
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Pending
Application number
CN201910023855.9A
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Chinese (zh)
Inventor
周玺
蔡永红
周婕
虎华
蔡成风
梁国顺
谭林华
樊丽
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Henan Pulu Environmental Protection Technology Co Ltd
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Henan Pulu Environmental Protection Technology Co Ltd
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Priority to CN201910023855.9A priority Critical patent/CN109764388A/en
Publication of CN109764388A publication Critical patent/CN109764388A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to heat pump apparatus of air source, more particularly to a kind of coal ultra-low temperature air source heat pump all-in-one machine, including body, internal body is equipped with water tank, heat exchange box, shell and biomass hot water boiler, the first outlet pipe is communicated on water tank, first water inlet pipe, first outlet pipe is equipped with water pump, water pipe is equipped with inside heat exchange box, water pipe external spiral is surrounded with spiral heat exchange tube, first outlet pipe is connected to first electronic three-way valve one end, the another both ends of first electronic three-way valve respectively with water pipe, the connection of first connecting leg, first connecting leg is connected to biomass hot water boiler water inlet, first water inlet pipe is connected to second electronic three-way valve one end, the another both ends of second electronic three-way valve respectively with water pipe, the connection of second connecting leg, second connecting leg is connected to biomass hot water boiler water outlet;Technical solution provided by the invention can effectively overcome is unable to operate normally the poor defect of heating, heat exchange efficiency under ultra-low temperature surroundings present in the prior art.

Description

A kind of coal ultra-low temperature air source heat pump all-in-one machine
Technical field
The present invention relates to heat pump apparatus of air source, and in particular to a kind of coal ultra-low temperature air source heat pump all-in-one machine.
Background technique
When northern winter heats, traditional heating equipment generally uses gas fired-boiler, and gas fired-boiler energy consumption is larger, and not ring It protects, pollution that caused by coal burning produces tremendous influence to the formation of haze weather.
Low-temperature air source heat pump is presently the most one of energy-efficient heating mode, air when low-temperature air source heat pump works In heat absorption come in, high temperature heat is converted into after compressor compresses to heat water body.And low-temperature air source is warm at present When compressor in pump works in the environment of low temperature and high relative humidity, heating capacity is small or even is unable to operate normally, and in low temperature and high relative humidity When working in environment, can largely it freeze on water accumulating disc (namely base of evaporator) after defrosting, longtime running will lead to evaporator Effective heat exchange area greatly reduce, when serious unit failure be unable to run.
Summary of the invention
(1) the technical issues of solving
For disadvantages mentioned above present in the prior art, the present invention provides a kind of coal ultra-low temperature air source heat pump one Machine, can effectively overcome that be unable to operate normally heating, heat exchange efficiency present in the prior art under ultra-low temperature surroundings poor Defect.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of coal ultra-low temperature air source heat pump all-in-one machine, including body, the internal body are equipped with water tank, heat exchange box, shell Body and biomass hot water boiler are communicated with the first outlet pipe, the first water inlet pipe on the water tank, and first outlet pipe is equipped with Water pump, is equipped with water pipe inside the heat exchange box, and the water pipe external spiral is surrounded with spiral heat exchange tube, first outlet pipe and the The connection of one electronic three-way valve one end, the another both ends of the first electronic three-way valve are connected to water pipe, the first connecting leg respectively, and described first Connecting leg is connected to biomass hot water boiler water inlet, and first water inlet pipe is connected to second electronic three-way valve one end, and described The another both ends of two electronic three-way valves are connected to water pipe, the second connecting leg respectively, second connecting leg and biomass hot water boiler water outlet Connection;
The enclosure interior is equipped with evaporator, and heat exchange endless tube, the heat exchange endless tube both ends point are equipped with inside the evaporator Not Tong Guo third connecting leg, the 4th connecting leg be connected to spiral heat exchange tube, the third connecting leg is equipped with fluid reservoir, expansion valve, described 4th connecting leg is equipped with heat pump, and the water tank is connected to second outlet pipe one end, and second outlet pipe accesses heating installation, institute It states heating installation to be connected to by the second water inlet pipe with water tank, temperature sensor is fixed on the body, the body inner wall is solid Surely there is controller.
Preferably, first outlet pipe is oppositely arranged with the second water inlet pipe, first water inlet pipe and the second outlet pipe It is oppositely arranged.
Preferably, the fluid reservoir is arranged close to heat exchange box side, and the expansion valve is arranged close to evaporator side.
It is preferably located on the third connecting leg between the fluid reservoir and expansion valve and is provided with filter, be located at the heat Gas-liquid separator is provided on the 4th connecting leg between pump and evaporator.
Preferably, first outlet pipe accesses the normal open end of the first electronic three-way valve, the first water inlet pipe access the The normal open end of two electronic three-way valves.
Preferably, the temperature sensor, the first electronic three-way valve, the second electronic three-way valve, heat pump, biomass thermal kettle Furnace is electrically connected with controller.
Preferably, the model pt100 of the temperature sensor, the thermometric threshold value of the temperature sensor are -25 DEG C, institute State the model STM32 of controller.
Preferably, when the temperature sensor measures outdoor temperature not less than -25 DEG C, the controller connects the first water outlet Circuit between pipe, the first water inlet pipe and water pipe, the controller start heat pump;It is low that the temperature sensor measures outdoor temperature When -25 DEG C, the controller connects the first outlet pipe and the first connecting leg, the first water inlet pipe and the second connecting leg, the controller Start biomass hot water boiler.
Preferably, the heat exchange endless tube is serpentine-like, and the spiral heat exchange tube is twist.
Preferably, the body, place opposite with evaporator is equipped with ventilation mouth on shell.
(3) beneficial effect
Compared with prior art, a kind of coal ultra-low temperature air source heat pump all-in-one machine provided by the present invention can utilize temperature Sensor detects outdoor temperature, and when outdoor temperature is not less than -25 DEG C, controller adds water body using air source heat pump Heat, using heat pump by exchange heat endless tube in low-temp low-pressure gaseous coolant boil down to high pressure gaseous refrigerant, high pressure gaseous Refrigerant enters carries out heat exchange with the water in water pipe in spiral heat exchange tube, release heat increases water temperature, and high pressure gaseous Refrigerant becomes liquid refrigerants after discharging thermal energy, which enters in evaporator the heat absorbed in outdoor air, again It is evaporated to low-temp low-pressure gaseous coolant, hot water is made in the iterative cycles above process, and spiral heat exchange tube spiral surrounding is in water pipe Outside effectively expands heat exchange area, improves heat exchange efficiency;When outdoor temperature is lower than -25 DEG C, air source heat pump can not make With controller heats water body using biomass hot water boiler, to can also guarantee heating dress under ultra-low temperature surroundings The normal operation set.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is present system structural schematic diagram;
Fig. 2 is heat exchange box schematic diagram of internal structure in Fig. 1 of the present invention;
Fig. 3 is housing interior structure schematic diagram in Fig. 1 of the present invention;
In figure:
1, body;2, water tank;3, heat exchange box;4, shell;5, biomass hot water boiler;6, the first water inlet pipe;7, water pipe;8, Spiral heat exchange tube;9, evaporator;10, exchange heat endless tube;11, third connecting leg;12, the 4th connecting leg;13, fluid reservoir;14, expansion valve; 15, heat pump;16, the first outlet pipe;17, the first connecting leg;18, the second connecting leg;19, water pump;20, the first electronic three-way valve;21, Two electronic three-way valves;22, the second outlet pipe;23, heating installation;24, the second water inlet pipe;25, temperature sensor;26, controller.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of coal ultra-low temperature air source heat pump all-in-one machine is equipped with water as shown in Figure 1 to Figure 3, including body 1 inside body 1 Case 2, heat exchange box 3, shell 4 and biomass hot water boiler 5, are communicated with the first outlet pipe 16, the first water inlet pipe 6 on water tank 2, and first Outlet pipe 16 is equipped with water pump 19, is equipped with water pipe 7 inside heat exchange box 3,7 external spiral of water pipe is surrounded with spiral heat exchange tube 8, and first goes out Water pipe 16 is connected to 20 one end of the first electronic three-way valve, the another both ends of the first electronic three-way valve 20 respectively with water pipe 7, the first connecting leg 17 Connection, the first connecting leg 17 are connected to 5 water inlet of biomass hot water boiler, 21 one end of the first water inlet pipe 6 and the second electronic three-way valve Connection, the another both ends of the second electronic three-way valve 21 are connected to water pipe 7, the second connecting leg 18 respectively, the second connecting leg 18 and biomass hot water The connection of 5 water outlet of boiler;
It is equipped with evaporator 9 inside shell 4, heat exchange endless tube 10 is equipped with inside evaporator 9, heat exchange 10 both ends of endless tube pass through respectively Third connecting leg 11, the 4th connecting leg 12 are connected to spiral heat exchange tube 8, third connecting leg 11 be equipped with fluid reservoir 13, expansion valve 14, the 4th Connecting leg 12 is equipped with heat pump 15, and water tank 2 is connected to 22 one end of the second outlet pipe, and the second outlet pipe 22 accesses heating installation 23, supplies Heater device 23 is connected to by the second water inlet pipe 24 with water tank 2, temperature sensor 25 is fixed on body 1,1 inner wall of body is fixed with Controller 26.
First outlet pipe 16 is oppositely arranged with the second water inlet pipe 24, and the first water inlet pipe 6 is oppositely arranged with the second outlet pipe 22.
Fluid reservoir 13 is arranged close to 3 side of heat exchange box, and expansion valve 14 is arranged close to 9 side of evaporator.
It is provided with filter on third connecting leg 11 between fluid reservoir 13 and expansion valve 14, is located at heat pump 15 and evaporation Gas-liquid separator is provided on the 4th connecting leg 12 between device 9.
First outlet pipe 16 accesses the normal open end of the first electronic three-way valve 20, and the first water inlet pipe 6 accesses the second electronics threeway The normal open end of valve 21.
Temperature sensor 25, the first electronic three-way valve 20, the second electronic three-way valve 21, heat pump 15, biomass hot water boiler 5 It is electrically connected with controller 26.
The model pt100 of temperature sensor 25, the thermometric threshold value of temperature sensor 25 are -25 DEG C, the type of controller 26 Number be STM32.
When temperature sensor 25 measures outdoor temperature not less than -25 DEG C, controller 26 connect the first outlet pipe 16, first into Circuit between water pipe 6 and water pipe 7, controller 26 start heat pump 15;Temperature sensor 25 measures outdoor temperature lower than -25 DEG C When, controller 26 connects the first outlet pipe 16 and the first connecting leg 17, the first water inlet pipe 6 and the second connecting leg 18, and controller 26 starts Biomass hot water boiler 5.
Exchanging heat, endless tube 10 is serpentine-like, and spiral heat exchange tube 8 is twist.
Ventilation mouth is equipped with respect to place with evaporator 9 on body 1, shell 4.
Temperature sensor 25 detects outdoor temperature, and when outdoor temperature is not less than -25 DEG C, controller 26 is using air-source warm Pump heats water body.Controller 26 connects the circuit between the first outlet pipe 16, the first water inlet pipe 6 and water pipe 7, controller 26 starting heat pumps 15, it is using heat pump 15 that the low-temp low-pressure gaseous coolant boil down to high pressure gaseous in the endless tube 10 that exchanges heat is cold Matchmaker, high pressure gaseous refrigerant enters carries out heat exchange with the water in water pipe 7 in spiral heat exchange tube 8, release heat makes water temperature liter Height, and high pressure gaseous refrigerant becomes liquid refrigerants after discharging thermal energy, which enters in evaporator 9 outside absorption chamber Heat in air is evaporated to low-temp low-pressure gaseous coolant again, and hot water is made in the iterative cycles above process, and spiral is changed 8 spiral surrounding of heat pipe effectively expands heat exchange area, improves heat exchange efficiency outside water pipe 7.
When outdoor temperature is lower than -25 DEG C, air source heat pump is not available, and controller 26 uses biomass hot water boiler 5 Water body is heated, controller 26 connects the first outlet pipe 16 and the first connecting leg 17, the first water inlet pipe 6 and the second connecting leg 18, Controller 26 starts biomass hot water boiler 5, to can also guarantee the normal operation of heating installation under ultra-low temperature surroundings.
A kind of coal ultra-low temperature air source heat pump all-in-one machine provided by the present invention can be using outside temperature sensor detecting chamber Temperature, when outdoor temperature is not less than -25 DEG C, controller heats water body using air source heat pump, will be changed using heat pump Low-temp low-pressure gaseous coolant boil down to high pressure gaseous refrigerant in hot endless tube, high pressure gaseous refrigerant enter spiral heat exchange Water in Guan Zhongyu water pipe carries out heat exchange, and release heat increases water temperature, and high pressure gaseous refrigerant is after discharging thermal energy Become liquid refrigerants, which enters in evaporator the heat absorbed in outdoor air, is evaporated to low-temp low-pressure gas again Hot water is made in state refrigerant, the iterative cycles above process, and spiral heat exchange tube spiral surrounding effectively expands outside water pipe Heat exchange area improves heat exchange efficiency;When outdoor temperature is lower than -25 DEG C, air source heat pump is not available, and controller is using life Substance hot-water boiler heats water body, to can also guarantee the normal operation of heating installation under ultra-low temperature surroundings.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, can't be such that the essence of corresponding technical solution departs from the spirit and scope of the technical scheme of various embodiments of the present invention.

Claims (10)

1. a kind of coal ultra-low temperature air source heat pump all-in-one machine, it is characterised in that: including body (1), be equipped with inside the body (1) Water tank (2), heat exchange box (3), shell (4) and biomass hot water boiler (5) are communicated with the first outlet pipe on the water tank (2) (16), the first water inlet pipe (6), first outlet pipe (16) are equipped with water pump (19), and water pipe is equipped with inside the heat exchange box (3) (7), water pipe (7) external spiral is surrounded with spiral heat exchange tube (8), first outlet pipe (16) and the first electronic three-way valve (20) one end is connected to, and the another both ends of first electronic three-way valve (20) are connected to water pipe (7), the first connecting leg (17) respectively, described First connecting leg (17) is connected to biomass hot water boiler (5) water inlet, first water inlet pipe (6) and the second electronic three-way valve (21) one end is connected to, and the another both ends of second electronic three-way valve (21) are connected to water pipe (7), the second connecting leg (18) respectively, described Second connecting leg (18) is connected to biomass hot water boiler (5) water outlet;
Evaporator (9) are equipped with inside the shell (4), heat exchange endless tube (10), the heat exchange ring are equipped with inside the evaporator (9) (10) both ends pass through third connecting leg (11) to pipe respectively, the 4th connecting leg (12) is connected to spiral heat exchange tube (8), the third connecting leg (11) be equipped with fluid reservoir (13), expansion valve (14), the 4th connecting leg (12) be equipped with heat pump (15), the water tank (2) with The connection of second outlet pipe (22) one end, second outlet pipe (22) access heating installation (23), and the heating installation (23) is logical It crosses the second water inlet pipe (24) to be connected to water tank (2), be fixed with temperature sensor (25) on the body (1), in the body (1) Wall is fixed with controller (26).
2. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: first outlet pipe (16) it is oppositely arranged with the second water inlet pipe (24), first water inlet pipe (6) is oppositely arranged with the second outlet pipe (22).
3. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: the fluid reservoir (13) is leaned on Nearly heat exchange box (3) side setting, the expansion valve (14) are arranged close to evaporator (9) side.
4. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: be located at the fluid reservoir (13) it is provided with filter on the third connecting leg (11) between expansion valve (14), is located at the heat pump (15) and evaporator (9) Between the 4th connecting leg (12) on be provided with gas-liquid separator.
5. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: first outlet pipe (16) the normal open end of the first electronic three-way valve (20) is accessed, the first water inlet pipe (6) access the second electronic three-way valve (21) Normal open end.
6. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: the temperature sensor (25), the first electronic three-way valve (20), the second electronic three-way valve (21), heat pump (15), biomass hot water boiler (5) with control Device (26) electrical connection.
7. coal ultra-low temperature air source heat pump all-in-one machine according to claim 6, it is characterised in that: the temperature sensor (25) model pt100, the thermometric threshold value of the temperature sensor (25) are -25 DEG C, the model of the controller (26) STM32。
8. coal ultra-low temperature air source heat pump all-in-one machine according to claim 7, it is characterised in that: the temperature sensor (25) when measuring outdoor temperature not less than -25 DEG C, the controller (26) connects the first outlet pipe (16), the first water inlet pipe (6) With the circuit between water pipe (7), the controller (26) starts heat pump (15);The temperature sensor (25) measures outdoor temperature When lower than -25 DEG C, the controller (26) connects the first outlet pipe (16) and the first connecting leg (17), the first water inlet pipe (6) and the Two connecting legs (18), the controller (26) start biomass hot water boiler (5).
9. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: the heat exchange endless tube (10) Serpentine-like, the spiral heat exchange tube (8) is twist.
10. coal ultra-low temperature air source heat pump all-in-one machine according to claim 1, it is characterised in that: the body (1), shell Ventilation mouth is equipped with respect to place with evaporator (9) on body (4).
CN201910023855.9A 2019-01-10 2019-01-10 A kind of coal ultra-low temperature air source heat pump all-in-one machine Pending CN109764388A (en)

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CN201910023855.9A CN109764388A (en) 2019-01-10 2019-01-10 A kind of coal ultra-low temperature air source heat pump all-in-one machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738816A (en) * 2022-05-20 2022-07-12 兰州理工大学 Combined heat, power, gas and fertilizer supply system using biomass energy as input

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101583603B1 (en) * 2015-07-17 2016-01-12 세연기업 주식회사 Hybrid Heat pump system
CN205690491U (en) * 2016-06-12 2016-11-16 广东伊蕾科斯环境科技有限公司 A kind of air source heat pump floor board heating apparatus
CN107238233A (en) * 2017-08-07 2017-10-10 宝莲华新能源技术(上海)股份有限公司 It is a kind of to be applied to the ultra-low temperature air source heat pump all-in-one that northern coal changes electric system
CN206930009U (en) * 2017-07-07 2018-01-26 唐山国能新能源开发有限公司 A kind of ultralow temperature hot-water air-conditioning all-in-one

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101583603B1 (en) * 2015-07-17 2016-01-12 세연기업 주식회사 Hybrid Heat pump system
CN205690491U (en) * 2016-06-12 2016-11-16 广东伊蕾科斯环境科技有限公司 A kind of air source heat pump floor board heating apparatus
CN206930009U (en) * 2017-07-07 2018-01-26 唐山国能新能源开发有限公司 A kind of ultralow temperature hot-water air-conditioning all-in-one
CN107238233A (en) * 2017-08-07 2017-10-10 宝莲华新能源技术(上海)股份有限公司 It is a kind of to be applied to the ultra-low temperature air source heat pump all-in-one that northern coal changes electric system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738816A (en) * 2022-05-20 2022-07-12 兰州理工大学 Combined heat, power, gas and fertilizer supply system using biomass energy as input

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Application publication date: 20190517