CN208779750U - 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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- CN208779750U CN208779750U CN201821360448.4U CN201821360448U CN208779750U CN 208779750 U CN208779750 U CN 208779750U CN 201821360448 U CN201821360448 U CN 201821360448U CN 208779750 U CN208779750 U CN 208779750U
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- defrosting
- energy storage
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- pump unit
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Heat-Pump Type And Storage Water Heaters (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, which includes: heating system, is equipped with First Heat Exchanger；Defrosting system is equipped with heat exchange tank and with the tank connected defrosting pipeline of exchanging heat, is equipped with defrosting medium in defrosting pipeline, and it can exchange heat with First Heat Exchanger；Energy-storage system is equipped with energy storage canister, and energy-accumulating medium is equipped in energy storage canister, and energy storage canister is connected to heat exchange tank, energy-accumulating medium can in heat exchange tank with defrosting media for heat exchange.When there is defrosting demand in heat pump unit, defrosting system and energy-storage system is set to work, energy-accumulating medium in energy storage canister is first transmitted in heat exchange tank and defrosting media for heat exchange, it is transmitted in First Heat Exchanger by defrosting medium through defrosting pipeline again 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 net for air-source heat pump units is run in winter, when outdoor air heat exchanger surface temperature is lower than
The dew-point temperature of surrounding air and be lower than 0 DEG C when, heat exchanger surface will frosting.Frost is formed such that heat exchanger heat transfer effect is disliked
Change, and increase air flow resistance, so that the heat capacity of unit reduces, unit can be out of service when serious, and then influences
Heat pump unit heat supply.Therefore, the frosting of air source heat pump winter outdoor heat exchanger and defrosting are to restrict its application and development at present
Crucial common 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, comprising:
Heating system is equipped with First Heat Exchanger；
Defrosting system, be equipped with heat exchange tank and with the tank connected defrosting pipeline of exchanging heat, be equipped with defrosting medium in defrosting pipeline,
And it can exchange heat with First Heat Exchanger；
Energy-storage system is equipped with energy storage canister, is equipped with energy-accumulating medium in energy storage canister, and energy storage canister is connected to heat exchange tank, and energy storage is situated between
Mass-energy in heat exchange tank with defrosting media for heat exchange.
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, defrosting system further includes the first water pump, the first shut-off valve and the pressure gauge set on defrosing pipe road.
Preferably, part of the defrosting pipeline in heat exchange tank is arranged in coiled.
Preferably, being also connected with multiple second shut-off valves and the second water pump between energy storage canister and heat exchange tank.
Preferably, energy storage canister is connect with paddy electricity, for heating energy-accumulating medium.
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
When defrosting demand occurs in heat pump unit, so that defrosting system and energy-storage system is worked, the energy storage in energy storage canister is situated between
Matter be first transmitted in heat exchange tank with defrosting media for heat exchange, then be transmitted in First Heat Exchanger and carried out through defrosting pipeline by defrosting medium
Defrosting, this is not necessarily to start and stop compressor in the process, has no effect on the heating effect of unit, melting to solve existing heat pump unit
There are high frequent start and stop and defrosting overlong time under white operating condition.
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, heat exchange tank；22, defrosting pipeline；23, the first water pump；24, the first shut-off valve；25, pressure gauge；26, expansion drum；
31, energy storage canister；32, the second shut-off valve；33, the second water pump；34, paddy electricity；
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, defrosting system and energy-storage system, and heating system includes
First Heat Exchanger 11, defrosting system include heat exchange tank 21 and the defrosting pipeline 22 connecting with heat exchange tank 21, are set in defrosting pipeline 22
There is defrosting medium, and defrosting pipeline 22 can exchange heat with First Heat Exchanger 11, energy-storage system is equipped with energy storage canister 31, sets in energy storage canister 31
Have energy-accumulating medium, energy storage canister 31 is connected to heat exchange tank 21, energy-accumulating medium can in heat exchange tank 21 with defrosting media for heat exchange.Work as heat pump
When defrosting demand occurs in unit, so that defrosting system and energy-storage system is worked, the energy-accumulating medium in energy storage canister 31 is first transmitted to and is changed
With defrosting media for heat exchange in hot tank 21, then defrosting medium is transmitted in First Heat Exchanger 11 through defrosting pipeline 22 and carries out defrosting,
It is not necessarily to start and stop compressor during this, the heating effect of unit is had no effect on, to solve existing heat pump unit in defrosting work
There are high frequent start and stop and defrosting overlong time under condition.
Specifically, defrosting system further includes the first water pump 23, the first shut-off valve 24 and the pressure on defrosting pipeline 22
Table 25, the first water pump 23 and the first shut-off valve 24 are set to the entrance side of First Heat Exchanger 11, and pressure gauge 25 is set to First Heat Exchanger
11 outlet side.The flowing that first water pump 23 is used for the defrosting medium for defrosting system provides power；First shut-off valve 24 is used for
The opening and closing for controlling defrosting media flow, can also be replaced with check-valves；Pressure gauge 25 is used to measure the outlet pressure of defrosting pipeline 22
Power.
Specifically, part of the defrosting pipeline 22 in heat exchange tank 21 is arranged in coiled, can so increase energy-accumulating medium
With the heat exchange amount of the defrosting medium in defrosting pipeline 22, heat exchange efficiency is improved.
Specifically, heat exchange tank 21 is also connected with expansion drum 26, when water enters in the air bag of expansion drum 26, is sealed in tank
Nitrogen compressed, according to boyle gas law, volume becomes smaller pressure rise after gas is compressed, until in expansion drum 26
Stop water inlet when the pressure of gas pressure and water reaches consistent.Gas when the hydraulic pressure in heat exchange tank 21 reduces, in expansion drum 26
Body pressure is greater than the hydraulic pressure, and the water in air bag is squeezed out and mended in heat exchange tank 21 by gas expansion at this time.
Specifically, multiple second shut-off valves 32 and the second water pump 33 are also connected between energy storage canister 31 and heat exchange tank 21, it is more
A second shut-off valve 32 can be convenient the opening and closing of maintenance and the control energy-accumulating medium flowing of energy-storage system, and the second water pump 33 can be with
Power is provided for the flowing of energy-accumulating medium.
Specifically, energy storage canister 31 is connect with paddy electricity 34, and for heating energy-accumulating medium, paddy electricity 34 can save greatly relative to peak electricity
About 40% electric cost.
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 characterized by comprising
Heating system is equipped with First Heat Exchanger (11)；
Defrosting system, the defrosting pipeline (22) for being equipped with heat exchange tank (21) and being connect with the heat exchange tank (21), the defrosing pipe
Defrosting medium is equipped in road (22), and it can exchange heat with the First Heat Exchanger (11)；
Energy-storage system is equipped with energy storage canister (31), and energy-accumulating medium, the energy storage canister (31) and institute are equipped in the energy storage canister (31)
State heat exchange tank (21) connection, the energy-accumulating medium can in the heat exchange tank (21) with the defrosting media for heat exchange.
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 system is also
Including the first water pump (23), the first shut-off valve (24) and the pressure gauge (25) being set on the defrosting pipeline (22).
6. the heat pump unit according to claim 1 with energy storage defrosting function, which is characterized in that the defrosting pipeline
(22) part in the heat exchange tank (21) is arranged in coiled.
7. the heat pump unit according to claim 1 with energy storage defrosting function, which is characterized in that the energy storage canister (31)
Multiple second shut-off valves (32) and the second water pump (33) are also connected between the heat exchange tank (21).
8. the heat pump unit according to claim 7 with energy storage defrosting function, which is characterized in that the energy storage canister (31)
It is connect with paddy electricity (34), for heating the energy-accumulating medium.
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 |
|---|---|---|---|
| CN201821360448.4U CN208779750U (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 |
|---|---|---|---|
| CN201821360448.4U CN208779750U (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 |
|---|---|
| CN208779750U true CN208779750U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821360448.4U Expired - Fee Related CN208779750U (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) | CN208779750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306824A (en) * | 2020-03-30 | 2020-06-19 | 宁波奥克斯电气股份有限公司 | Overlapping heat pump and control method thereof |
| 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 |
-
2018
- 2018-08-22 CN CN201821360448.4U patent/CN208779750U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN111306824A (en) * | 2020-03-30 | 2020-06-19 | 宁波奥克斯电气股份有限公司 | Overlapping heat pump and control method thereof |
| CN111306824B (en) * | 2020-03-30 | 2024-03-19 | 宁波奥克斯电气股份有限公司 | Overlapping heat pump and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20210822 |