CN105276864B - One kind becomes component refrigerants heat-pump hot-water unit - Google Patents
One kind becomes component refrigerants heat-pump hot-water unit Download PDFInfo
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- CN105276864B CN105276864B CN201410329417.2A CN201410329417A CN105276864B CN 105276864 B CN105276864 B CN 105276864B CN 201410329417 A CN201410329417 A CN 201410329417A CN 105276864 B CN105276864 B CN 105276864B
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- heat exchanger
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- magnetic valve
- rectifier
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Abstract
The invention discloses one kind to become component refrigerants heat-pump hot-water unit, including compressor, condensing heat exchanger, fluid reservoir, outdoor heat exchanger, gas-liquid separator, the rectifier for being filled with refrigerant and the coil pipe being arranged on inside rectifier；Coil pipe and the first magnetic valve are arranged in parallel between the outlet of compressor and the entrance of condensing heat exchanger；Two branch roads parallel with one another are provided between fluid reservoir and outdoor heat exchanger, that is the outlet of fluid reservoir, the 3rd magnetic valve, first throttle valve, the entrance of outdoor heat exchanger is sequentially connected composition tie point, and the outlet of fluid reservoir, the 4th magnetic valve, second throttle, rectifier, the entrance of second solenoid valve and outdoor heat exchanger are sequentially connected and form the second branch road.The present invention is additionally arranged rectifier and magnetic valve, the conversion of different component refrigerant can be realized according to outdoor environment temperature, to the strong adaptability of environment temperature.
Description
Technical field
It is particularly a kind of to become component refrigerants heat-pump hot-water unit the invention belongs to heat pump water-heating machine technical group field.
Background technology
With the continuous improvement of living standards of the people, requirement of the people to living environment and thermal comfort is also increasingly increased.Pass
The building and heating mode high energy consumption of system, seriously polluted, developing the building and heating technology of cleaning becomes particularly urgent.Current heat pump
Technology can not adapt to the wide scope change of environment temperature, and especially in cold district, winter outdoor temperature is low, traditional single-stage heat pump
Than high, heating performance drastically declines system compresses, it is impossible to normal work, but heated relative to whole year, winter environment temperature is special
Not low time accounting in whole year is less, only uses high pressure ratio or Two-stage Compression system, system to solve heat supply in winter
It will break down at higher ambient temperatures or situation that efficiency is relatively low, thus the economy of system becomes very poor.
Chinese patent ZL98118641.6 discloses a kind of heat pump for becoming component refrigerants, and the system uses condenser
The refrigerant heat rectifying column of outflow, the refrigerant of low pressure component is isolated in rectifying column, so as to allow more high pressure components to join
With to the effect among circulation, reaching heating capacity under enhancing low temperature environment, but there is problems with the system：1) condenser stream
The refrigerant temperature gone out is not high, and rectification effect is poor；2) it is larger to put into practice difficulty for anti-rectifying；3) system complex, cost are too high.In
State patent ZL98118646.7 disclose it is a kind of become component refrigerants heat pump, the system outdoor unit be added below with
Its parallel connected auxiliary coil pipe, when heating mode is opened, auxiliary coil inlet is closed and exports and open, and compressor is by volatility
Larger high-pressure section suctions out, and is then shut off outlet valve and low-pressure section is stayed in inside auxiliary coil pipe, but the system exist it is following
Problem：1) high-pressure refrigerant is inhaled by compressor vacuum, easily blends low pressure refrigerant, reduce regulating power；2) aid in coil pipe will
It is enough to accommodate most of liquid refrigerant, bracket panel pipe volume is bigger than normal, and cost is higher.
The content of the invention
The change component refrigerants heat pump water-heating machine that warm area is big, rectification effect is good is adapted to it is an object of the invention to provide a kind of
Group.
The technical solution for realizing the object of the invention is：One kind change component refrigerants heat-pump hot-water unit, including for
Suction gaseous refrigerant is simultaneously compressed the compressor of output, the rectifier for being filled with refrigerant, condensing heat exchanger, changed with condensation
The connected fluid reservoir of hot device, first throttle valve, second throttle, the first magnetic valve, second solenoid valve, the 3rd magnetic valve, the 4th
Magnetic valve, outdoor heat exchanger, with the outlet gas-liquid separator being connected of outdoor heat exchanger and the coil pipe being arranged on inside rectifier,
The outlet of the gas-liquid separator is connected with the entrance of compressor, and the coil pipe and the first magnetic valve are arranged in parallel in compressor
Between outlet and the entrance of condensing heat exchanger；Two branch parallel with one another are provided between the fluid reservoir and outdoor heat exchanger
The outlet on road, i.e. fluid reservoir, the 3rd magnetic valve, first throttle valve, the entrance of outdoor heat exchanger are sequentially connected composition tie point,
The outlet of fluid reservoir, the 4th magnetic valve, second throttle, rectifier, the entrance phase successively of second solenoid valve and outdoor heat exchanger
Even form the second branch road.
Compared with prior art, its remarkable advantage is the present invention：(1) present invention utilizes the superheated steam of compressor outlet,
Temperature is higher, heats rectifier positive effect, substantially reduces the time of refrigerant component change, improves the heat supply of system
Energy；(2) present invention with the addition of a rectifier and several magnetic valves on the basis of conventional heat pump, and system architecture is compact, and into
This is relatively low；(3) present invention isolates the superior refrigerant of heating performance in the winter time, can effectively improve the low-temperature heating energy of heat pump
Power, and the conversion of different component refrigerant can be realized according to outdoor environment temperature, to the strong adaptability of environment temperature, in ring
The heat pump applications of border temperature wide scope change are especially suitable.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention becomes component refrigerants heat-pump hot-water unit.
Fig. 2 is that the present invention becomes immersion serpentine coil schematic diagram built in the rectifier of component refrigerants heat-pump hot-water unit.
Fig. 3 is that the present invention becomes parallel comb schematic diagram built in the rectifier of component refrigerants heat-pump hot-water unit.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, one kind becomes component refrigerants heat-pump hot-water unit, including for sucking gaseous refrigerant simultaneously
The compressor 1 that is compressed output, the rectifier 2 for being filled with refrigerant, condensing heat exchanger 3, the storage being connected with condensing heat exchanger 3
Flow container 4, first throttle valve 5, second throttle 8, the first magnetic valve F1, second solenoid valve F2, the 3rd magnetic valve F3, the 4th electromagnetism
Valve F4, outdoor heat exchanger 6, with the outlet gas-liquid separator 7 being connected of outdoor heat exchanger 6 and the disk being arranged on inside rectifier 2
Pipe 9, the outlet of the gas-liquid separator 7 are connected with suction port of compressor 1-2, and the coil pipe 9 is arranged in parallel with the first magnetic valve F1
Between compressor outlet 1-1 and condensing heat exchanger entrance 3-1；Two are provided between the fluid reservoir 4 and outdoor heat exchanger 6
Branch road parallel with one another, the i.e. outlet of fluid reservoir 4, the 3rd magnetic valve F3, first throttle valve 5, outdoor heat exchanger 6 entrance successively
It is connected and forms tie point, the outlet of fluid reservoir 4, the 4th magnetic valve F4, second throttle 8, rectifier 2, second solenoid valve F2
It is sequentially connected with the entrance of outdoor heat exchanger 6 and forms the second branch road.
The first throttle valve 5 and second throttle 8 are using heating power expansion valve, electric expansion valve or capillary.
The coil pipe 9 is immersion serpentine coil or parallel comb.
The outdoor heat exchanger 6 is air-cooled heat exchanger or water-cooled heat exchanger.
The condensing heat exchanger 3 is made up of a water-cooled heat exchanger, or is made up of multiple water-cooled heat exchanger parallel connections.
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
With reference to Fig. 1, Fig. 2, one kind becomes component refrigerants heat-pump hot-water unit, including one is used to suck gaseous refrigerant simultaneously
It is compressed the compressor 1 of output, a condensing heat exchanger 3, a fluid reservoir 4 being connected with condensing heat exchanger 3, an outdoor
Heat exchanger 6, a gas-liquid separator 7 being connected with the outlet of outdoor heat exchanger 6, one is filled with mixed non-azeotropic refrigerant
Rectifier 2 and the coil pipe 9 being arranged on inside rectifier 2；The outlet of gas-liquid separator 7 is connected with suction port of compressor 1-2, coil pipe 9
It is arranged in parallel with the first magnetic valve F1 between compressor outlet 1-1 and condensing heat exchanger entrance 3-1；Fluid reservoir 4 changes with outdoor
Two branch roads parallel with one another, the outlet of fluid reservoir 4, the 3rd magnetic valve F3, first throttle valve 5, outdoor are provided between hot device 6
The entrance of heat exchanger 6 is sequentially connected composition tie point, the outlet of fluid reservoir 4, the 4th magnetic valve F4, second throttle 8, rectifying
The entrance of device 2, second solenoid valve F2 and outdoor heat exchanger 6, which is sequentially connected, forms the second branch road.It is used for supply system in rectifier 2
The refrigerant of circulation is selectively separating out lower boiling refrigerant and stores high boiling refrigerant after the heating, or when pressure
Refrigerant vapour is provided during contracting machine entrance negative pressure.
Wherein, first throttle valve 5 and second throttle 8 use heating power expansion valve, and coil pipe 9 is immersion serpentine coil,
Outdoor heat exchanger 6 is air-cooled heat exchanger, and condensing heat exchanger 3 is made up of a water-cooled heat exchanger.
According to the first magnetic valve F1, second solenoid valve F2, the 3rd magnetic valve F3 and the 4th magnetic valve F4 different opening and closing shapes
State can realize rectifying low boiling point refrigerant, refrigerant component recovers and three kinds of operational modes of unit normal work.
(a) operational mode of rectifying low boiling point refrigerant
When outdoor temperature is less than switching temperature T1, closes the first magnetic valve F1 and the 3rd magnetic valve F3, open the second electricity
Then magnet valve F2 and the 4th magnetic valve F4, compressor outlet 1-1 superheated steams change through the heat release of coil pipe 9 in rectifier 2 in condensation
Hot device 3 further condenses, and is then throttled the throttling of valve 8 as after low pressure liquid, flows into rectifier 2；Meanwhile rectifier 2 is inhaled
Heat, the low boiling point refrigerant evaporated further overheat in outdoor heat exchanger 6, after gas-liquid separator 7, into compressor
Entrance 1-2.By this process, the low boiling point refrigerant ratio run in system rises, while most of higher boiling refrigerant
It is stored in rectifier.
(b) operational mode that refrigerant component is recovered
When outdoor temperature is higher than switching temperature T2, the first magnetic valve F1, the 3rd magnetic valve F3 and the 4th magnetic valve are closed
F4, second solenoid valve F2 is opened, compressor outlet 1-1 superheated steams are through the coil pipe heat release in rectifier 2, then in condensing heat-exchange
Condensed in device 3；Meanwhile rectifier 2 absorbs heat, compressor suction 1-2 vacuum, the inner higher boiling refrigerant vaporization of rectifier 2, through room
After external heat exchanger 6 and gas-liquid separator 7, into suction port of compressor 1-2.By this process, refrigerant is in condensing heat exchanger
Mixing, low boiling point refrigerant ratio decline, and unnecessary refrigerant is stored in inside fluid reservoir.
(c) operational mode of unit normal work
After refrigerant component reaches requirement, the first magnetic valve F1 and the 3rd magnetic valve F3 is opened, closes second solenoid valve
F2 and the 4th magnetic valve F4, refrigerant vapour turns into the superheated steam of HTHP after the compression of compressor 1, into condensing heat-exchange
The exothermic condensation of device 3, the liquid that the throttling of valve 5 is changed into low-pressure low-temperature is then throttled, is absorbed heat into outdoor heat exchanger 6, passes through gas
After liquid/gas separator 7, compressor 1 is come back to, completes a kind of refrigeration cycle.
Embodiment 2
With reference to Fig. 1, Fig. 3, one kind becomes component refrigerants heat-pump hot-water unit, including one is used to suck gaseous refrigerant simultaneously
It is compressed the compressor 1 of output, a condensing heat exchanger 3, a fluid reservoir 4 being connected with condensing heat exchanger 3, an outdoor
Heat exchanger 6, a gas-liquid separator 7 being connected with the outlet of outdoor heat exchanger 6, the outlet and compression of the gas-liquid separator 7
Machine entrance 1-2 is connected, and the change component refrigerants heat-pump hot-water unit is also filled with mixed non-azeotropic refrigerant including one
Rectifier 2 and the coil pipe 9 being arranged on inside rectifier 2；The magnetic valve F1 of coil pipe 9 and first is arranged in parallel in compressor outlet
Between 1-1 and condensing heat exchanger entrance 3-1；Two branch parallel with one another are provided between the fluid reservoir 4 and outdoor heat exchanger 6
Road, the outlet of fluid reservoir 4, the 3rd magnetic valve F3, first throttle valve 5, the entrance of outdoor heat exchanger 6 are sequentially connected composition first
Road, the outlet of fluid reservoir 4, the 4th magnetic valve F4, second throttle 8, rectifier 2, second solenoid valve F2 and outdoor heat exchanger 6
Entrance, which is sequentially connected, forms the second branch road.The refrigerant for being used for supply system circulation in rectifier 2 selectively divides after the heating
Separate out lower boiling refrigerant and store high boiling refrigerant, or refrigerant vapour is provided when suction port of compressor negative pressure.
Wherein, first throttle valve 5 and second throttle 8 use electric expansion valve, and coil pipe 9 uses parallel comb, outdoor
Heat exchanger 6 is water-cooled heat exchanger, and condensing heat exchanger 3 is made up of multiple water-cooled heat exchanger parallel connections.
According to the first magnetic valve F1, second solenoid valve F2, the 3rd magnetic valve F3 and the 4th magnetic valve F4 different opening and closing shapes
State can realize rectifying low boiling point refrigerant, refrigerant component recovers and three kinds of operational modes of unit normal work.
(a) operational mode of rectifying low boiling point refrigerant
When outdoor temperature is less than switching temperature T1, closes the first magnetic valve F1 and the 3rd magnetic valve F3, open the second electricity
Then magnet valve F2 and the 4th magnetic valve F4, compressor outlet 1-1 superheated steams change through the heat release of coil pipe 9 in rectifier 2 in condensation
Hot device 3 further condenses, and is then throttled the throttling of valve 8 as after low pressure liquid, flows into rectifier 2；Meanwhile rectifier 2 is inhaled
Heat, the low boiling point refrigerant evaporated further overheat in outdoor heat exchanger 6, after gas-liquid separator 7, into compressor
Entrance 1-2.By this process, the low boiling point refrigerant ratio run in system rises, while most of higher boiling refrigerant
It is stored in rectifier.
(b) operational mode that refrigerant component is recovered
When outdoor temperature is higher than switching temperature T2, the first magnetic valve F1, the 3rd magnetic valve F3 and the 4th magnetic valve are closed
F4, second solenoid valve F2 is opened, then compressor outlet 1-1 superheated steams change through the heat release of coil pipe 9 in rectifier 2 in condensation
Condensed in hot device 3；Meanwhile rectifier 2 absorbs heat, suction port of compressor 1-2 vacuum, the inner higher boiling refrigerant vaporization of rectifier 2, through room
After external heat exchanger 6 and gas-liquid separator 7, into suction port of compressor 1-2.By this process, refrigerant is in condensing heat exchanger 3
Mixing, low boiling point refrigerant ratio decline, and unnecessary refrigerant is stored in the inside of fluid reservoir 4.
(c) operational mode of unit normal work
After refrigerant component reaches requirement, the first magnetic valve F1 and the 3rd magnetic valve F3 is opened, closes second solenoid valve
F2 and the 4th magnetic valve F4, refrigerant vapour turns into the superheated steam of HTHP after the compression of compressor 1, into condensing heat-exchange
The exothermic condensation of device 3, the liquid that the throttling of valve 5 is changed into low-pressure low-temperature is then throttled, is absorbed heat into outdoor heat exchanger 6, passes through gas
After liquid/gas separator 7, compressor 1 is come back to, completes a kind of refrigeration cycle.
The present invention is additionally arranged rectifier and magnetic valve, and the change of different component refrigerant can be realized according to outdoor environment temperature
Change, to the strong adaptability of environment temperature；It is very big to improve rectifying effect on the premise of extension heat-pump hot-water unit adapts to warm area
Fruit.
Claims (5)
1. one kind becomes component refrigerants heat-pump hot-water unit, it is characterised in that including for sucking gaseous refrigerant and being pressed
Contract the compressor (1) of output, the rectifier (2) for being filled with refrigerant, condensing heat exchanger (3), be connected with condensing heat exchanger (3)
Fluid reservoir (4), first throttle valve (5), second throttle (8), the first magnetic valve (F1), second solenoid valve (F2), the 3rd electromagnetism
Valve (F3), the 4th magnetic valve (F4), outdoor heat exchanger (6), the gas-liquid separator (7) being connected with the outlet of outdoor heat exchanger (6)
The coil pipe (9) internal with rectifier (2) is arranged on, the outlet of the gas-liquid separator (7) are connected with suction port of compressor (1-2),
The coil pipe (9) and the first magnetic valve (F1) be arranged in parallel compressor outlet (1-1) and condensing heat exchanger entrance (3-1) it
Between；It is provided with two branch roads parallel with one another between the fluid reservoir (4) and outdoor heat exchanger (6), i.e., fluid reservoir (4) go out
Mouth, the 3rd magnetic valve (F3), first throttle valve (5), the entrance of outdoor heat exchanger (6) are sequentially connected composition tie point, liquid storage
The outlet of tank (4), the 4th magnetic valve (F4), second throttle (8), rectifier (2), second solenoid valve (F2) and outdoor heat exchanger
(6) entrance, which is sequentially connected, forms the second branch road.
2. change component refrigerants heat-pump hot-water unit according to claim 1, it is characterised in that the first throttle valve
(5) and second throttle (8) uses heating power expansion valve, electric expansion valve or capillary.
3. change component refrigerants heat-pump hot-water unit according to claim 1, it is characterised in that the coil pipe (9) is heavy
Immersion serpentine coil or parallel comb.
4. change component refrigerants heat-pump hot-water unit according to claim 1, it is characterised in that the outdoor heat exchanger
(6) it is air-cooled heat exchanger or water-cooled heat exchanger.
5. change component refrigerants heat-pump hot-water unit according to claim 1, it is characterised in that the condensing heat exchanger
(3) it is made up of a water-cooled heat exchanger, or is made up of multiple water-cooled heat exchanger parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329417.2A CN105276864B (en) | 2014-07-10 | 2014-07-10 | One kind becomes component refrigerants heat-pump hot-water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329417.2A CN105276864B (en) | 2014-07-10 | 2014-07-10 | One kind becomes component refrigerants heat-pump hot-water unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105276864A CN105276864A (en) | 2016-01-27 |
| CN105276864B true CN105276864B (en) | 2018-01-05 |
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ID=55146326
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410329417.2A Expired - Fee Related CN105276864B (en) | 2014-07-10 | 2014-07-10 | One kind becomes component refrigerants heat-pump hot-water unit |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118058A (en) * | 1994-08-30 | 1996-03-06 | 株式会社东芝 | Refrigerating apparatus |
| CN1514193A (en) * | 2003-07-08 | 2004-07-21 | 浙江大学 | Low temperature heat source heat pump system and its capacity regulating method |
| CN2725773Y (en) * | 2004-09-13 | 2005-09-14 | 上海理工大学 | Ternary non-azeotropic mixed working medium variable composition volume control air conditioner |
| CN1776325A (en) * | 2005-11-25 | 2006-05-24 | 西安交通大学 | High-low temperature changeable graded evaporation air-conditioner heat pump water heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133059A (en) * | 1999-11-10 | 2001-05-18 | Matsushita Refrig Co Ltd | Heat pump system |
-
2014
- 2014-07-10 CN CN201410329417.2A patent/CN105276864B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118058A (en) * | 1994-08-30 | 1996-03-06 | 株式会社东芝 | Refrigerating apparatus |
| CN1514193A (en) * | 2003-07-08 | 2004-07-21 | 浙江大学 | Low temperature heat source heat pump system and its capacity regulating method |
| CN2725773Y (en) * | 2004-09-13 | 2005-09-14 | 上海理工大学 | Ternary non-azeotropic mixed working medium variable composition volume control air conditioner |
| CN1776325A (en) * | 2005-11-25 | 2006-05-24 | 西安交通大学 | High-low temperature changeable graded evaporation air-conditioner heat pump water heater |
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| Publication number | Publication date |
|---|---|
| CN105276864A (en) | 2016-01-27 |
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Granted publication date: 20180105 Termination date: 20200710 |