CN208779753U - A kind of heat pump unit with energy storage defrosting function - Google Patents
A kind of heat pump unit with energy storage defrosting function Download PDFInfo
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- CN208779753U CN208779753U CN201821363540.6U CN201821363540U CN208779753U CN 208779753 U CN208779753 U CN 208779753U CN 201821363540 U CN201821363540 U CN 201821363540U CN 208779753 U CN208779753 U CN 208779753U
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- defrosting
- energy storage
- pump unit
- heat pump
- valve
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to heating and technical field of refrigeration equipment, discloses a kind of heat pump unit with energy storage defrosting function.The heat pump unit includes heating system and defrosting system, heating system includes First Heat Exchanger, defrosting system include energy storage canister, with the tank connected paddy electricity of energy storage and with the tank connected defrosting pipeline of energy storage, energy-accumulating medium is equipped in energy storage canister, defrosting medium is equipped in defrosting pipeline, energy-accumulating medium can be in energy storage canister with defrosting media for heat exchange, and defrosting pipeline can exchange heat with First Heat Exchanger.The utility model is by being heated the energy-accumulating medium in energy storage canister to carry out energy storage using paddy electricity, when there is defrosting demand in heat pump unit, defrosting system is set to work, energy in energy storage canister is transmitted in First Heat Exchanger by defrosting medium and carries out defrosting, start and stop compressor is not necessarily to during this, the heating effect of unit is had no effect on, there are high frequent start and stop and defrosting overlong time under defrosting operating condition to solve the problems, such as existing heat pump unit.
Description
Technical field
The utility model relates to heat and technical field of refrigeration equipment more particularly to a kind of heat with energy storage defrosting function
Pump assembly.
Background technique
Air source heat pump is a kind of energy saver for making heat flow to from low level heat energy air high-order heat source using high potential,
It is a kind of form of heat pump.When heat pump unit is run in winter, when outdoor air heat exchanger surface temperature is empty lower than surrounding
The dew-point temperature of gas and be lower than 0 DEG C when, heat exchanger surface will frosting.Frost is formed such that heat exchanger heat transfer effect deteriorates, and
Air flow resistance is increased, so that the heat capacity of unit reduces, unit can be out of service when serious, and then influences heat pump machine
Group heat supply.Therefore, the frosting of air source heat pump winter outdoor heat exchanger and defrosting are the key that restrict its application at present and develop total
Property problem.
Currently, the defrosting mode of air source heat pump usually has: natural defrosting method, inverse circulation defrosting method and electric defrosting method etc..
And from the point of view of actual effect, all there is insufficient and defects for these conventional methods, cannot achieve the continuous heat supply of defrosting operating condition
With defrosting overlong time, it often will cause the frequent start-stop of compressor and the frequent switching of four-way reversing valve, will also result in heat
Water supplying pump temperature fluctuation and influence indoor heating effect.
It would therefore be highly desirable to need to provide the novel heat pump unit with energy storage defrosting function of one kind to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of heat pump units with energy storage defrosting function, to solve existing heat pump
There are high frequent start and stop and defrosting overlong time under defrosting operating condition in unit.
For this purpose, the utility model uses following technical scheme:
A kind of heat pump unit with energy storage defrosting function, including heating system and defrosting system, heating system include the
One heat exchanger, defrosting system include energy storage canister, with the tank connected paddy electricity of energy storage and with the tank connected defrosting pipeline of energy storage, energy storage
It is equipped with energy-accumulating medium in tank, is equipped with defrosting medium in defrosting pipeline, energy-accumulating medium can melt in energy storage canister with defrosting media for heat exchange
White pipeline can exchange heat with First Heat Exchanger.
Preferably, heating system further includes the compressor set gradually along refrigerant flow direction, four-way valve, the second heat exchange
Device, economizer, expansion valve and First Heat Exchanger, First Heat Exchanger are communicated with compressor.
Preferably, being also connected with check valve, liquid storage device and first filter between economizer and expansion valve in turn, expand
The second filter is also connected between valve and First Heat Exchanger.
Preferably, First Heat Exchanger passes sequentially through four-way valve and gas-liquid separator is communicated with compressor.
Preferably, part of the defrosting pipeline in energy storage canister is arranged in coiled.
Preferably, defrosting system further includes water pump, the first shut-off valve and the pressure gauge set on defrosing pipe road.
Preferably, further including the water charging system being connected to energy storage canister.
Preferably, water charging system includes the second shut-off valve, the third filter, non-return set gradually along water inlet direction
Valve, third shut-off valve and expansion drum, expansion drum are connected to energy storage canister.
Preferably, further including air injection enthalpy-increasing system, air injection enthalpy-increasing system is connect with economizer and compressor respectively.
Preferably, air injection enthalpy-increasing system includes the increasing enthalpy solenoid valve and increasing enthalpy expansion valve connecting with economizer.
The utility model has the beneficial effects that
The utility model works as heat pump machine by heating the energy-accumulating medium in energy storage canister to carry out energy storage using paddy electricity
When defrosting demand occurs in group, defrosting system is made to work, the energy in energy storage canister is transmitted to First Heat Exchanger by defrosting medium
Middle carry out defrosting, this is not necessarily to start and stop compressor in the process, the heating effect of unit is had no effect on, to solve existing heat pump machine
There are high frequent start and stop and defrosting overlong time under defrosting operating condition in group.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the heat pump unit provided by the utility model with energy storage defrosting function.
In figure:
11, First Heat Exchanger；12, compressor；13, four-way valve；14, the second heat exchanger；15, economizer；16, expansion valve；
17, gas-liquid separator；151, check valve；152, liquid storage device；153, first filter；154, the second filter；
21, energy storage canister；22, paddy electricity；23, defrosting pipeline；24, water pump；25, the first shut-off valve；26, pressure gauge；
31, the second shut-off valve；32, third filter；33, check-valves；34, third shut-off valve；35, expansion drum；
41, increasing enthalpy solenoid valve；42, increasing enthalpy expansion valve.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, it is that a kind of structure of the heat pump unit with energy storage defrosting function provided by the utility model is shown
It is intended to.The heat pump unit with energy storage defrosting function includes heating system and defrosting system, and heating system includes the first heat exchange
Device 11, defrosting system include energy storage canister 21, the paddy electricity connecting with energy storage canister 21 22 and the defrosting pipeline connecting with energy storage canister 21
23, energy-accumulating medium is equipped in energy storage canister 21, is equipped with defrosting medium in defrosting pipeline 23, energy-accumulating medium can in energy storage canister 21 with melt
White media for heat exchange, defrosting pipeline 23 can exchange heat with First Heat Exchanger 11.The utility model is by utilizing paddy electricity 22 by energy storage canister 21
In energy-accumulating medium heat to carry out energy storage, when defrosting demand occurs in heat pump unit, defrosting system is made to work, by energy storage
Energy (i.e. thermal energy) in tank 21 is transmitted in First Heat Exchanger 11 by defrosting medium carries out defrosting, this is not necessarily to start and stop in the process
Compressor, has no effect on the heating effect of unit, to solve existing heat pump unit, there are compressor frequencies under defrosting operating condition
The problem of numerous start and stop and defrosting overlong time.In addition, paddy electricity 22 can save about 40% electric cost relative to peak electricity.
Specifically, defrosting system further includes water pump 24, the first shut-off valve 25 and the pressure gauge 26 on defrosting pipeline 23,
Water pump 24 and the first shut-off valve 25 are set to the entrance side of First Heat Exchanger 11, and pressure gauge 26 is set to the outlet of First Heat Exchanger 11
Side.The flowing that water pump 24 is used for the defrosting medium for defrosting system provides power；First shut-off valve 25 is for controlling defrosting medium
The opening and closing of flowing can also be replaced with check-valves；Pressure gauge 26 is used for the outlet pressure of defrosting pipeline 23.
Specifically, part of the defrosting pipeline 23 in energy storage canister 21 is arranged in coiled, can so increase energy-accumulating medium
With the heat exchange amount of the defrosting medium in defrosting pipeline 23, heat exchange efficiency is improved.
Specifically, the heat pump unit with energy storage defrosting function further includes the water charging system being connected to energy storage canister 21, setting
The purpose of water charging system is because the energy-accumulating medium in energy storage canister 21 is water.It is understood that energy-accumulating medium can also be molten
Salt or other phase-change heat-storage materials, but when for such situation, energy storage canister 21 do not need to carry out moisturizing, i.e. water charging system at this time
It closes.
Specifically, water charging system includes the second shut-off valve 31, the third filter 32, non-return set gradually along water inlet direction
Valve 33, third shut-off valve 34 and expansion drum 35, expansion drum 35 are connected to energy storage canister 21.Second shut-off valve 31, check-valves 33 are set
With third shut-off valve 34, the maintenance and maintenance of system can be convenient.When water enters in the air bag of expansion drum 35, it is sealed in tank
Nitrogen compressed, according to boyle gas law, volume becomes smaller pressure rise after gas is compressed, until in expansion drum 35
Stop water inlet when the pressure of gas pressure and water reaches consistent.Gas when the hydraulic pressure in energy storage canister 21 reduces, in expansion drum 35
Body pressure is greater than the hydraulic pressure, and the water in air bag is squeezed out and mended in energy storage canister 21 by gas expansion at this time.
Specifically, heating system further includes the compressor 12 set gradually along refrigerant flow direction, the heat exchange of four-way valve 13, second
Device 14, economizer 15, expansion valve 16 and First Heat Exchanger 11, First Heat Exchanger 11 are connected to compressor 12, by above-mentioned setting,
Enable heat pump unit, in normal heating condition, to have no effect on the heating effect of heating system during defrosting, prevents
The frequent starting for having stopped compressor 12 effectively improves the heating efficiency of unit and the service life of compressor 12.Second changes
Hot device 14 is the heat exchanger using side, can be case tube heat exchanger, double-tube heat exchanger or plate heat exchanger, First Heat Exchanger 11 is
Finned heat exchanger.
Specifically, check valve 151, liquid storage device 152 and the first mistake are also connected between economizer 15 and expansion valve 16 in turn
Filter 153, is also connected with the second filter 154 between expansion valve 16 and First Heat Exchanger 11, expansion valve 16 is preferably that electronics is swollen
Swollen valve can also be heating power expansion valve or capillary.Liquid storage device 152 is used to storing and supplying the liquid refrigeration in heating system
Agent, to compensate and adjust the profit and loss of liquid refrigerant when power condition changing；First filter 153 and the second filter 154
Effect is to prevent from the impurity in heating system from entering in expansion valve 16 to result in blockage, and is run so as to cause system abnormal.
Specifically, First Heat Exchanger 11 passes sequentially through four-way valve 13 and gas-liquid separator 17 is connected to compressor 12.Gas-liquid
Separator 17 causes liquid hammer, influences the service life of compressor 12 for preventing liquid refrigerant from entering in compressor 12.
Specifically, the heat pump unit with energy storage defrosting function further includes air injection enthalpy-increasing system, air injection enthalpy-increasing system difference
It is connect with economizer 15 and compressor 12.Further, air injection enthalpy-increasing system includes the increasing enthalpy solenoid valve connecting with economizer 15
41 and increasing enthalpy expansion valve 42.Edge injection combination cooling is compressed on side when air injection enthalpy-increasing system passes through mesolow, then normal when high pressure
Compression improves 12 capacity of compressor, achievees the purpose that promote heating capacity under low temperature environment.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For the ordinary skill user of fields, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of heat pump unit with energy storage defrosting function, including heating system and defrosting system, the heating system include
First Heat Exchanger (11), which is characterized in that the defrosting system includes energy storage canister (21), the paddy that connect with the energy storage canister (21)
Electric (22) and the defrosting pipeline (23) connect with the energy storage canister (21), equipped with energy-accumulating medium, institute in the energy storage canister (21)
It states and is equipped with defrosting medium in defrosting pipeline (23), the energy-accumulating medium can change in the energy storage canister (21) with the defrosting medium
Heat, the defrosting pipeline (23) can exchange heat with the First Heat Exchanger (11).
2. the heat pump unit according to claim 1 with energy storage defrosting function, which is characterized in that the heating system is also
Including the compressor (12), four-way valve (13), the second heat exchanger (14), economizer (15), swollen set gradually along refrigerant flow direction
Swollen valve (16) and the First Heat Exchanger (11), the First Heat Exchanger (11) are connected to the compressor (12).
3. the heat pump unit according to claim 2 with energy storage defrosting function, which is characterized in that the economizer (15)
Also it is connected with check valve (151), liquid storage device (152) and first filter (153) in turn between the expansion valve (16), it is described
The second filter (154) are also connected between expansion valve (16) and the First Heat Exchanger (11).
4. the heat pump unit according to claim 2 with energy storage defrosting function, which is characterized in that the First Heat Exchanger
(11) it passes sequentially through the four-way valve (13) and gas-liquid separator (17) is connected to the compressor (12).
5. the heat pump unit according to claim 1 with energy storage defrosting function, which is characterized in that the defrosting pipeline
(23) part in the energy storage canister (21) is arranged in coiled.
6. the heat pump unit according to claim 1 with energy storage defrosting function, which is characterized in that the defrosting system is also
Including water pump (24), the first shut-off valve (25) and the pressure gauge (26) being set on the defrosting pipeline (23).
7. the heat pump unit according to claim 6 with energy storage defrosting function, which is characterized in that further include and the storage
The water charging system that energy tank (21) is connected to.
8. the heat pump unit according to claim 7 with energy storage defrosting function, which is characterized in that the water charging system packet
Include the second shut-off valve (31), third filter (32), check-valves (33), the third shut-off valve (34) set gradually along water inlet direction
With expansion drum (35), the expansion drum (35) is connected to the energy storage canister (21).
9. the heat pump unit according to claim 2 with energy storage defrosting function, which is characterized in that further include air injection enthalpy-increasing
System, the air injection enthalpy-increasing system are connect with the economizer (15) and the compressor (12) respectively.
10. the heat pump unit according to claim 9 with energy storage defrosting function, which is characterized in that the air injection enthalpy-increasing
System includes the increasing enthalpy solenoid valve (41) and increasing enthalpy expansion valve (42) connecting with the economizer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363540.6U CN208779753U (en) | 2018-08-22 | 2018-08-22 | A kind of heat pump unit with energy storage defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363540.6U CN208779753U (en) | 2018-08-22 | 2018-08-22 | A kind of heat pump unit with energy storage defrosting function |
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| Publication Number | Publication Date |
|---|---|
| CN208779753U true CN208779753U (en) | 2019-04-23 |
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ID=66158213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363540.6U Expired - Fee Related CN208779753U (en) | 2018-08-22 | 2018-08-22 | A kind of heat pump unit with energy storage defrosting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208779753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228355A1 (en) * | 2019-05-14 | 2020-11-19 | 深圳市爱能森科技有限公司 | Off-peak heat accumulation device |
| WO2020233112A1 (en) * | 2019-05-21 | 2020-11-26 | 青岛海尔空调电子有限公司 | Heat source tower system |
-
2018
- 2018-08-22 CN CN201821363540.6U patent/CN208779753U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228355A1 (en) * | 2019-05-14 | 2020-11-19 | 深圳市爱能森科技有限公司 | Off-peak heat accumulation device |
| WO2020233112A1 (en) * | 2019-05-21 | 2020-11-26 | 青岛海尔空调电子有限公司 | Heat source tower system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20210822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |