CN104676957B - A kind of jet type heat pump thermal cell - Google Patents
A kind of jet type heat pump thermal cell Download PDFInfo
- Publication number
- CN104676957B CN104676957B CN201510028057.7A CN201510028057A CN104676957B CN 104676957 B CN104676957 B CN 104676957B CN 201510028057 A CN201510028057 A CN 201510028057A CN 104676957 B CN104676957 B CN 104676957B
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- Prior art keywords
- frequency
- changeable compressor
- gas
- liquid separator
- cold storage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
Abstract
The present invention relates to a kind of jet type heat pump thermal cell, including frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid separator, evaporation cold storage unit and control unit, the frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid separator, frequency-changeable compressor are sequentially connected, the adjustable spraying apparatus, evaporation cold storage unit, gas-liquid separator are sequentially connected, and described control unit connects frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid separator and evaporation cold storage unit respectively；Control unit monitors fluid temperature (F.T.) and energy storage efficiency, regulation adjustable spraying apparatus internal geometric size, frequency-changeable compressor frequency and rate of flow of fluid in real time in thermal energy storage process.Compared with prior art, the present invention has the advantages that energy storage gross efficiency is high, saves energy consumption and flexible allotment refrigerating capacity heating capacity in thermal energy storage process.
Description
Technical field
The present invention relates to a kind of heat pump thermal cell, more particularly to it is a kind of can be with the injecting type of real-time optimal control energy storage efficiency
Heat pump thermal cell.
Background technology
Up to the present, the heat pump that heating load and cooling load can be handled simultaneously has had long been known to everyone.Thermal cell
New ideas, i.e., get up the energy storage of the cooling and warming of the double mode operation of heat pump empty to meet building and industrial batch hot water
The need for tune, carried jointly in 2012 by the scientist of Aalborg universities of Denmark, California, USA university and Purdue Univ-West Lafayette USA
Go out.Heat pump thermal cell can improve utilization rate of the intermittent renewable energy in energy resource system, help to solve energy shortage, big
Gas pollutes and global warming day more serious world problem.
But this heat pump thermal cell using expansion valve as throttling arrangement in thermal energy storage process Systems Performance Effectiveness by it is many because
Plain collective effect influence, transient change, with fluid temperature (F.T.) change with time in energy storage canister, Heat Pump battery energy storage efficiency COP is fast
Speed declines, and it is uncontrollable to store up the proportioning of cold and quantity of heat storage.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of energy storage gross efficiency is high,
Save the jet type heat pump thermal cell of energy consumption in thermal energy storage process.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of jet type heat pump thermal cell, including frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid point
From device, evaporation cold storage unit and control unit, the frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid separation
Device, frequency-changeable compressor are sequentially connected, and the adjustable spraying apparatus, evaporation cold storage unit, gas-liquid separator are sequentially connected, the control
Unit processed connects frequency-changeable compressor, condensation heat storage units, adjustable spraying apparatus, gas-liquid separator and evaporation cold storage unit respectively；
Control unit monitors several inside fluid temperature (F.T.) and energy storage efficiency, regulation adjustable spraying apparatus in real time in thermal energy storage process
What size, frequency-changeable compressor frequency and energy storage canister rate of flow of fluid.
The adjustable spraying apparatus includes power jet, inlet nozzle, hybrid chamber, outlet diffusion chamber and power jet throat
Area metering needle, the hybrid chamber connects power jet, inlet nozzle and outlet diffusion chamber, the power jet and condensation respectively
Heat storage units are connected, and the inlet nozzle is connected with evaporation cold storage unit, and the outlet diffusion chamber is connected with gas-liquid separator, institute
State power jet throat opening area metering needle to be located in power jet, regulation injector throat sectional area is connected through a screw thread and adjusted
Save position of the power jet relative to hybrid chamber.
The condensation heat storage units include condenser, heat storage can and heat storage can water circulating pump, and the condenser is connected respectively
Frequency-changeable compressor and adjustable spraying apparatus, the heat storage can output end are connected by heat storage can water circulating pump with condenser, input
End is directly connected with condenser.
The heat storage can is externally provided with heat-insulation layer.
The heat storage can water circulating pump is change flow pump.
The evaporation cold storage unit includes evaporator, cold storage tank and cold storage tank water circulating pump, and the evaporator is connected respectively
Adjustable spraying apparatus and gas-liquid separator, the cold storage tank output end are connected by cold storage tank water circulating pump with evaporator, input
End is directly connected with condenser-reboiler.
The cold storage tank is externally provided with heat-insulation layer.
The cold storage tank water circulating pump is change flow pump.
The frequency-changeable compressor is high compression ratio compressor.
Compared with prior art, the present invention substitutes conventional throttle valve with adjustable spraying apparatus, using frequency-changeable compressor, energy storage
During according to fluid temperature (F.T.) transient change in energy storage canister by adjust injector, compressor frequency and circulation flow rate pump it is excellent in real time
Change control Heat Pump battery system, with advantages below：
(1) present invention is in thermal energy storage process, according to fluid temperature (F.T.) transient change in energy storage canister, real-time optimal control energy storage effect
Rate, compared with the throttle valve type heat pump thermal cell having pointed out, the present invention has higher energy storage gross efficiency, can greatly save energy storage
During energy consumption.
(2) injector regulation and compressor variable frequency of the present invention using heat pump thermal cell can also be realized to storage cold and storage
The flexible allotment of heat, matches with the demand of actual cold and hot amount.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of adjustable spraying apparatus of the present invention；
Fig. 3 is real-time optimal control schematic flow sheet of the invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, the embodiment of the present invention provides a kind of jet type heat pump thermal cell, including frequency-changeable compressor 1, condensation storage
Hot cell, adjustable spraying apparatus 3, gas-liquid separator 5, evaporation cold storage unit and control unit, frequency-changeable compressor 1, condensation heat accumulation
Unit, adjustable spraying apparatus 3, gas-liquid separator 5, frequency-changeable compressor 1 are sequentially connected, adjustable spraying apparatus 3, evaporation Chu Lengdan
Member, gas-liquid separator 5 are sequentially connected, and control unit connects frequency-changeable compressor 1, condensation heat storage units, adjustable spraying apparatus respectively
3rd, gas-liquid separator 5 and evaporation cold storage unit.Frequency-changeable compressor 1 is high compression ratio compressor.
Condensing heat storage units includes condenser 2, heat storage can 6 and heat storage can water circulating pump 8, and condenser 2 connects frequency conversion respectively
Compressor 1 and adjustable spraying apparatus 3, the output end of heat storage can 6 are connected by heat storage can water circulating pump 8 with condenser 2, and input is straight
Connect and be connected with condenser 2.Evaporating cold storage unit includes evaporator 4, cold storage tank 7 and cold storage tank water circulating pump 9, and evaporator 4 is distinguished
Connected adjustable injector 3 and gas-liquid separator 5, the output end of cold storage tank 7 are connected by cold storage tank water circulating pump 9 with evaporator 4,
Input is directly connected with condenser-reboiler 4.Heat-insulation layer, after energy storage terminates, energy storage canister are equipped with outside heat storage can 6 and cold storage tank
Temperature can keep 12 hours it is constant.Heat storage can water circulating pump 8 and cold storage tank water circulating pump 9 are change flow pump.
As shown in Fig. 2 adjustable spraying apparatus 3 includes power jet 31, inlet nozzle 32, hybrid chamber 33, outlet diffusion chamber
34 and power jet throat opening area metering needle 35, hybrid chamber 33 connects power jet 31, inlet nozzle 32 and outlet diffusion respectively
Chamber 34, power jet 31 with condensation heat storage units be connected, inlet nozzle 32 with evaporation cold storage unit be connected, export diffusion chamber 34 and
Gas-liquid separator 5 is connected, and power jet throat opening area metering needle 35 is located in power jet 31, regulation injector throat section
Product, is connected through a screw thread and adjusts position of the power jet 31 relative to hybrid chamber 33, optimizes Heat Pump battery energy storage efficiency.
As shown in figure 3, the operation principle of above-mentioned jet type heat pump thermal cell is：In low power consumption, open energy storage canister and follow
Ring pump, adjusts the flow velocity of circulating pump, opens frequency-changeable compressor, and control unit monitors cold storage tank and heat accumulation in real time in thermal energy storage process
The fluid temperature (F.T.) of tank, the real-time energy storage efficiency COP of survey calculation, judges whether real-time COP is identical with target COP, if it is not, then adjusting
Adjustable spraying apparatus internal geometric size, frequency-changeable compressor frequency and rate of flow of fluid so that instantaneous energy storage efficiency reaches optimum value.
When fluid temperature (F.T.) reaches required temperature in cold storage tank and heat storage can, close compressor, closing circulating pump.According to air-conditioning and
Heat demand, by adjusting adjustable spraying apparatus, can make it that storing up cold and quantity of heat storage reaches required matching.
Claims (8)
1. a kind of jet type heat pump thermal cell, it is characterised in that including frequency-changeable compressor (1), condensation heat storage units, adjustable spray
Emitter (3), gas-liquid separator (5), evaporation cold storage unit and control unit, the frequency-changeable compressor (1), condensation heat storage units,
Adjustable spraying apparatus (3), gas-liquid separator (5), frequency-changeable compressor (1) are sequentially connected, the adjustable spraying apparatus (3), evaporation
Cold storage unit, gas-liquid separator (5) are sequentially connected, and described control unit connects frequency-changeable compressor (1), condensation heat accumulation list respectively
Member, adjustable spraying apparatus (3), gas-liquid separator (5) and evaporation cold storage unit；
The evaporation cold storage unit includes evaporator (4), cold storage tank (7) and cold storage tank water circulating pump (9), the evaporator (4)
Difference connected adjustable injector (3) and gas-liquid separator (5), cold storage tank (7) output end pass through cold storage tank water circulating pump
(9) it is connected with evaporator (4), input is directly connected with condenser-reboiler (4)；
Control unit monitors fluid temperature (F.T.), energy storage efficiency and Chu Leng quantity of heat storage in energy storage canister in real time in thermal energy storage process, adjusts in real time
Section adjustable injector (3) internal geometric size, frequency-changeable compressor (1) frequency and rate of flow of fluid, realize instantaneous energy storage efficiency and
Total energy storage efficiency maximizes and reached the cold quantity of heat storage ratio of storage to be changed on demand.
2. jet type heat pump thermal cell according to claim 1, it is characterised in that the adjustable spraying apparatus (3) includes
Power jet (31), inlet nozzle (32), hybrid chamber (33), outlet diffusion chamber (34) and power jet throat opening area metering needle
(35), the hybrid chamber (33) connects power jet (31), inlet nozzle (32) and outlet diffusion chamber (34), the power respectively
Nozzle (31) is connected with condensation heat storage units, and the inlet nozzle (32) is connected with evaporation cold storage unit, the outlet diffusion chamber
(34) it is connected with gas-liquid separator (5), the power jet throat opening area metering needle (35) is located in power jet (31), regulation
The position of injector throat sectional area and power jet (31) relative to hybrid chamber (33).
3. jet type heat pump thermal cell according to claim 1, it is characterised in that the condensation heat storage units include condensation
Device (2), heat storage can (6) and heat storage can water circulating pump (8), the condenser (2) connect frequency-changeable compressor (1) and adjustable respectively
Injector (3), heat storage can (6) output end is connected by heat storage can water circulating pump (8) with condenser (2), and input is direct
It is connected with condenser (2).
4. jet type heat pump thermal cell according to claim 3, it is characterised in that the heat storage can (6) is externally provided with insulation
Layer.
5. jet type heat pump thermal cell according to claim 3, it is characterised in that the heat storage can water circulating pump (8) is
Become flow pump.
6. jet type heat pump thermal cell according to claim 1, it is characterised in that the cold storage tank (7) is externally provided with insulation
Layer.
7. jet type heat pump thermal cell according to claim 1, it is characterised in that the cold storage tank water circulating pump (9) is
Become flow pump.
8. jet type heat pump thermal cell according to claim 1, it is characterised in that the frequency-changeable compressor (1) is high pressure
Compressor is compared in contracting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028057.7A CN104676957B (en) | 2015-01-20 | 2015-01-20 | A kind of jet type heat pump thermal cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028057.7A CN104676957B (en) | 2015-01-20 | 2015-01-20 | A kind of jet type heat pump thermal cell |
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| Publication Number | Publication Date |
|---|---|
| CN104676957A CN104676957A (en) | 2015-06-03 |
| CN104676957B true CN104676957B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028057.7A Active CN104676957B (en) | 2015-01-20 | 2015-01-20 | A kind of jet type heat pump thermal cell |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202811A (en) * | 2015-10-30 | 2015-12-30 | 上海电力学院 | Capillary network critical heat battery |
| CN106594925A (en) * | 2016-11-07 | 2017-04-26 | 珠海格力电器股份有限公司 | Heat pump system, control method and air conditioner |
| PT110900B (en) | 2018-08-01 | 2021-11-04 | Univ Do Porto | VARIABLE GEOMETRY EJECTOR FOR COOLING AND COOLING SYSTEM APPLICATIONS INCLUDING THE VARIABLE GEOMETRY EJECTOR |
| CN109579343A (en) * | 2018-10-29 | 2019-04-05 | 青岛海尔（胶州）空调器有限公司 | Air conditioner and its control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN102679622A (en) * | 2012-05-22 | 2012-09-19 | 青岛大学 | Modularized variable heat capacity self-matched multi-temperature system |
-
2015
- 2015-01-20 CN CN201510028057.7A patent/CN104676957B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN102679622A (en) * | 2012-05-22 | 2012-09-19 | 青岛大学 | Modularized variable heat capacity self-matched multi-temperature system |
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| Publication number | Publication date |
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| CN104676957A (en) | 2015-06-03 |
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