CN208475722U - A kind of ultra-low temperature air source heat pump unit of energy storage defrosting - Google Patents
A kind of ultra-low temperature air source heat pump unit of energy storage defrosting Download PDFInfo
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- CN208475722U CN208475722U CN201821068853.9U CN201821068853U CN208475722U CN 208475722 U CN208475722 U CN 208475722U CN 201821068853 U CN201821068853 U CN 201821068853U CN 208475722 U CN208475722 U CN 208475722U
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- pipeline
- heat exchanger
- heat
- icing fluid
- defrosting
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Abstract
The utility model provides a kind of ultra-low temperature air source heat pump unit of energy storage defrosting, including finned heat exchanger, finned heat exchanger is equipped with anti-icing fluid inlet and anti-icing fluid liquid outlet, anti-icing fluid inlet is connect by pipeline with the leakage fluid dram for the heat exchanger that defrosts, anti-icing fluid liquid outlet is connect by pipeline with the supply opening for the heat exchanger that defrosts, anti-icing fluid import is additionally provided on defrosting heat exchanger, anti-icing fluid import is connected to the outlet of heat regenerator by pipeline, the import of heat regenerator is connect by pipeline with the anti-icing fluid outlet for the heat exchanger that defrosts, refrigerant inlet on finned heat exchanger is connected to four-way reversing valve, and it is connect with the first interface of four-way reversing valve.Heat accumulation of the utility model defrosting heat from unit recuperation of heat itself, without taking heat to interior, supply water temperature is relatively stable, fluctuations in indoor temperature is little, it can satisfy comfort level requirement, avoid system caused by four-way reversing valve frequent transitions unstable, system failure rate is high.
Description
Technical field
The utility model relates to the super of air source heat pump air-conditioner cooling and warming technical field more particularly to a kind of energy storage defrosting
Low-temperature air source heat pump unit.
Background technique
With the development of society, energy conservation has become the critical issue for restricting the sustainable development of socio-economy with environmental protection, it can
The emphasis direction that the comprehensive development and utilization of the renewable sources of energy has become energy development and utilizes.Heat pump techniques since the advent of the world,
With the unique advantage of its high-efficient energy-saving environment friendly, it has also become the hot spot of research, heat pump energy-conserving technology have also been used as state key energy saving
Technique Popularizing project has obtained extensive popularization in China.Wherein net for air-source heat pump units, it can utilize reproducible air
Rate is high, and easy for installation, is a kind of equipment of obvious energy conservation.
The advantages that air source heat pump is taken into account cold and heat supply, energy-saving and environmental protection, facilitated, is more and more favored.But it is tied
White problem is the principal element normally heated in influence heat pump unit winter, especially cold in cold northern area and high humidity
South, winter unit can hardly operate normally, and seriously restrict the development of air source heat pump.Therefore, improve Defrost technology
It is the necessary condition of actuating air source heat pump development, and the foundation stone in developing air source heat pump market.Currently, domestic and international air
The common Defrost method of source heat pump defrosting has reverse cycle defrosting and two kinds of hot gas bypass defrosting.Reverse cycle defrosting, when defrosting, stop
To indoor continuation heat supply, and indoor heat is drawn to defrost, so that room temperature rapid drawdown, seriously affects human comfort.
Hot gas bypass defrosting mode is not required to heat in suction chamber, moreover it is possible to while a small amount of heat being provided, it blows a cold wind over when avoiding defrosting existing
The appearance of elephant, supply water temperature decline is relatively slow, but defrosting time is too long so that room temperature still decreased significantly.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of accumulation of energy for existing deficiencies in the technology
The ultra-low temperature air source heat pump unit of defrosting, intelligent energy accumulation remove defrosting system, storage of the defrosting heat from unit recuperation of heat itself
Heat, without taking heat to interior, supply water temperature is relatively stable, and fluctuations in indoor temperature is little, can satisfy comfort level requirement, and keep away
It is unstable system caused by four-way reversing valve frequent transitions is exempted from, system failure rate is high.
The technical solution of the utility model is to provide a kind of following ultra-low temperature air source heat pump machine of energy storage defrosting
Group, including finned heat exchanger, the finned heat exchanger be equipped with anti-icing fluid inlet and anti-icing fluid liquid outlet, the anti-icing fluid into
Liquid mouth is connect by pipeline with the leakage fluid dram for the heat exchanger that defrosts, the confession that the anti-icing fluid liquid outlet passes through pipeline and the heat exchanger that defrosts
Liquid mouth connects, and is additionally provided with anti-icing fluid import on the defrosting heat exchanger, the anti-icing fluid import is connected to heat regenerator by pipeline
Outlet, the import of heat regenerator is connect by pipeline with the anti-icing fluid outlet of defrosting heat exchanger, on the finned heat exchanger
Refrigerant inlet be connected to four-way reversing valve, and connect with the first interface of four-way reversing valve, the 4th interface of four-way reversing valve
The refrigerant outlet of heat regenerator is connect, the refrigerant inlet of heat regenerator connects compressor.
Preferably, being connected to recirculated water on the pipeline of heat regenerator exported between the anti-icing fluid import of defrosting heat exchanger
It pumps, is connected to defrosting water pump on the pipeline between the anti-icing fluid import of the leakage fluid dram and finned heat exchanger of the defrosting heat exchanger.
Preferably, the second interface of the four-way reversing valve is connected to an interface of gas-liquid separator, institute by pipeline
Another interface for stating gas-liquid separator is connected to compressor.
Preferably, the third interface of the four-way reversing valve is connected to the refrigerant outlet connection of water-side heat, it is described
The refrigerant inlet of water-side heat is connected to unidirectional valve group, and the unidirectional valve group is gone out by the refrigerant of pipeline and finned heat exchanger
Mouth connection.
Preferably, the water-side heat is equipped with the inlet and outlet connected with water pipe.
Preferably, the refrigerant inlet of the compressor is further connected with economizer, set on economizer there are two refrigerant into
Mouth and two refrigerant outlets, compressor are connect with a refrigerant outlet on economizer, another refrigeration on economizer
Agent outlet connects liquid-sighting glass by pipeline, connects heating power expansion valve by pipeline after liquid-sighting glass, passes through pipeline order after heating power expansion valve
To valve group.
Preferably, being connected to electric expansion valve, the electronics by pipeline in a refrigerant inlet of the economizer
One end of solenoid valve is connected on expansion valve by pipeline, the other end of the solenoid valve is connected to one end of filter by pipeline,
The other end of the filter is connected to fluid reservoir by pipeline, and the fluid reservoir other end is connected to unidirectional valve group by pipeline.
Preferably, another refrigerant inlet end of the economizer and one end of filter connect.
Preferably, temperature sensor is connected on pipeline between the economizer and compressor, the of four-way reversing valve
Pipeline between two interfaces and gas-liquid separator is equipped with temperature sensor, between the refrigerant inlet and compressor of heat regenerator
Pipeline on be connected to temperature sensor.
Using the technical program the utility model has the advantages that there is the utility model intelligent energy accumulation to remove defrosting system, defrosting heat comes
From the heat accumulation of unit recuperation of heat itself, without taking heat to interior, supply water temperature is relatively stable, and fluctuations in indoor temperature is little, can
Meet comfort level requirement, and it is unstable to avoid system caused by four-way reversing valve frequent transitions, system failure rate is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ultra-low temperature air source heat pump unit of energy storage defrosting.
Specific embodiment
For purposes of illustration only, with reference to the accompanying drawing, being done to the ultra-low temperature air source heat pump unit of the energy storage defrosting of utility model
It is described in detail.
As shown in Figure 1, a kind of ultra-low temperature air source heat pump unit of energy storage defrosting, including finned heat exchanger 1, the fin
Heat exchanger 1 is equipped with anti-icing fluid inlet 2 and anti-icing fluid liquid outlet 3, and the anti-icing fluid inlet 2 is exchanged heat by pipeline and defrosting
The leakage fluid dram 5 of device 4 connects, and the anti-icing fluid liquid outlet 3 is connect by pipeline with the supply opening 6 for the heat exchanger 4 that defrosts, the defrosting
Anti-icing fluid import 7 is additionally provided on heat exchanger 4, the anti-icing fluid import 7 is connected to the outlet of heat regenerator 8, recuperation of heat by pipeline
The import of device 8 is connect by pipeline with the anti-icing fluid outlet 9 for the heat exchanger 4 that defrosts, the refrigerant on the finned heat exchanger 1
Entrance is connected to four-way reversing valve 12, and connect with the first interface of four-way reversing valve 12, and the 4th interface of four-way reversing valve 12 connects
The refrigerant outlet of heat regenerator 8, the refrigerant inlet of heat regenerator 8 connect compressor 14；The outlet of heat regenerator 8 is changed with defrosting
Water circulating pump 10 is connected on pipeline between the anti-icing fluid import 7 of hot device 4, the leakage fluid dram 5 of the defrosting heat exchanger 4 is changed with fin
Defrosting water pump 11 is connected on pipeline between the anti-icing fluid import 7 of hot device 1；The second interface of the four-way reversing valve 12 passes through pipe
Road is connected to an interface of gas-liquid separator 13, another interface of the gas-liquid separator 13 is connected to compressor 14；Described four
The third interface of logical reversal valve 12 is connected to the refrigerant outlet connection of water-side heat 15, the refrigerant of the water-side heat 15
Entrance is connected to unidirectional valve group 16, and the unidirectional valve group 16 is connect by pipeline with the refrigerant outlet of finned heat exchanger 1；The water
Side heat exchanger 15 is equipped with the water inlet 17 and water outlet 18 connected with water pipe；The refrigerant inlet of the compressor 14 is further connected with
Economizer 19 is set on economizer 19 there are two refrigerant inlet and two refrigerant outlets, on compressor 14 and economizer 19
The connection of one refrigerant outlet, another refrigerant outlet on economizer 19 connect liquid-sighting glass 20 by pipeline, after liquid-sighting glass 20
Heating power expansion valve 21 is connect by pipeline, passes through pipeline order after heating power expansion valve 21 to valve group 16；One of the economizer 19
Electric expansion valve 22 is connected to by pipeline in refrigerant inlet, solenoid valve 23 is connected to by pipeline on the electric expansion valve 22
One end, the other end of the solenoid valve 23 are connected to one end of filter 24 by pipeline, and the other end of the filter 24 passes through
Pipeline is connected to fluid reservoir 25, and 25 other end of fluid reservoir is connected to unidirectional valve group 16 by pipeline；The economizer 19 it is another
A refrigerant inlet end is connect with one end of filter 24；Temperature is connected on pipeline between the economizer 19 and compressor 14
Sensor 26, the pipeline between the second interface and gas-liquid separator 13 of four-way reversing valve 12 are equipped with temperature sensor 26, heat
Temperature sensor is connected on pipeline between the refrigerant inlet and compressor of recover.
This ultra-low temperature air source heat pump unit part uses air injection enthalpy-increasing technology, and realizing can stablize under -25 DEG C of environment temperatures
Heating, when intelligence control system detects that unit needs to defrost, compressor shutdown, defrosting water pump open, finned heat exchanger into
Row defrosting, when satisfaction exits defrosting condition, defrosting water pump is closed, compressor booting；When water temperature reduces in the heat exchanger that defrosts,
Water circulating pump between unit heat regenerator and defrosting heat exchanger is opened, and water temperature rises in the heat exchanger that defrosts, and water temperature, which rises to, to be set
Determine water circulating pump when temperature to close.
In the above-described embodiments, the preferred forms of the utility model are described, it is obvious that in the utility model
Inventive concept under, many variations can be still made, here, it should be noted that being made under the inventive concept of the utility model
Any change all will fall within the protection scope of the utility model.
Claims (9)
1. a kind of ultra-low temperature air source heat pump unit of energy storage defrosting, it is characterized in that: include finned heat exchanger, the fin heat exchange
Device is equipped with anti-icing fluid inlet and anti-icing fluid liquid outlet, the drain that the anti-icing fluid inlet passes through pipeline and the heat exchanger that defrosts
Mouth connection, the anti-icing fluid liquid outlet are connect with the supply opening for the heat exchanger that defrosts by pipeline, are also set on the defrosting heat exchanger
There is anti-icing fluid import, the anti-icing fluid import is connected to the outlet of heat regenerator by pipeline, and the import of heat regenerator passes through pipeline
It being connect with the anti-icing fluid outlet of defrosting heat exchanger, the refrigerant inlet on the finned heat exchanger is connected to four-way reversing valve, and
It is connect with the first interface of four-way reversing valve, the 4th interface of four-way reversing valve connects the refrigerant outlet of heat regenerator, recuperation of heat
The refrigerant inlet of device connects compressor.
2. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 1, it is characterized in that: heat regenerator goes out
Water circulating pump, the leakage fluid dram and wing of the defrosting heat exchanger are connected on pipeline between mouth and the anti-icing fluid import of defrosting heat exchanger
Defrosting water pump is connected on pipeline between the anti-icing fluid import of piece heat exchanger.
3. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 2, it is characterized in that: the four-way commutates
The second interface of valve is connected to an interface of gas-liquid separator by pipeline, another interface of the gas-liquid separator is connected to pressure
Contracting machine.
4. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 3, it is characterized in that: the four-way commutates
The third interface of valve is connected to the refrigerant outlet connection of water-side heat, and the refrigerant inlet of the water-side heat is connected to unidirectionally
Valve group, the unidirectional valve group are connected by the refrigerant outlet of pipeline and finned heat exchanger.
5. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 4, it is characterized in that: the water side exchanges heat
Device is equipped with the inlet and outlet connected with water pipe.
6. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 5, it is characterized in that: the compressor
Refrigerant inlet is further connected with economizer, is set on economizer there are two refrigerant inlet and two refrigerant outlets, compressor and warp
The refrigerant outlet to help on device connects, another refrigerant outlet on economizer connects liquid-sighting glass, liquid-sighting glass by pipeline
Heating power expansion valve is connect by pipeline afterwards, passes through pipeline order after heating power expansion valve to valve group.
7. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 6, it is characterized in that: the economizer
Electric expansion valve is connected to by pipeline in one refrigerant inlet, is connected to the one of solenoid valve by pipeline on the electric expansion valve
End, the other end of the solenoid valve are connected to one end of filter by pipeline, and the other end of the filter is connected to by pipeline
Fluid reservoir, the fluid reservoir other end are connected to unidirectional valve group by pipeline.
8. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 7, it is characterized in that: the economizer
Another refrigerant inlet end and one end of filter connect.
9. the ultra-low temperature air source heat pump unit of energy storage defrosting according to claim 8, it is characterized in that: the economizer with
Temperature sensor is connected on pipeline between compressor, on the pipeline between the second interface and gas-liquid separator of four-way reversing valve
Equipped with temperature sensor, temperature sensor is connected on the pipeline between the refrigerant inlet and compressor of heat regenerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068853.9U CN208475722U (en) | 2018-07-06 | 2018-07-06 | A kind of ultra-low temperature air source heat pump unit of energy storage defrosting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068853.9U CN208475722U (en) | 2018-07-06 | 2018-07-06 | A kind of ultra-low temperature air source heat pump unit of energy storage defrosting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475722U true CN208475722U (en) | 2019-02-05 |
Family
ID=65213408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821068853.9U Active CN208475722U (en) | 2018-07-06 | 2018-07-06 | A kind of ultra-low temperature air source heat pump unit of energy storage defrosting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208475722U (en) |
-
2018
- 2018-07-06 CN CN201821068853.9U patent/CN208475722U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210408 Address after: 261052 weijiao Road, Weicheng District, Weifang, Shandong Province, No. 3999 Patentee after: Lvte guochuang (Weifang) energy saving Technology Co.,Ltd. Address before: 261052 no.3999 Airport Road, Weicheng District, Weifang City, Shandong Province Patentee before: SHANDONG LYTTE AIR CONDITIONING SYSTEM Co.,Ltd. |