CN205027016U - Two return circuit heat accumulation defrosting type heat pumps - Google Patents
Two return circuit heat accumulation defrosting type heat pumps Download PDFInfo
- Publication number
- CN205027016U CN205027016U CN201520733709.2U CN201520733709U CN205027016U CN 205027016 U CN205027016 U CN 205027016U CN 201520733709 U CN201520733709 U CN 201520733709U CN 205027016 U CN205027016 U CN 205027016U
- Authority
- CN
- China
- Prior art keywords
- valve
- heat exchanger
- heat
- magnetic valve
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a two return circuit heat accumulation defrosting type heat pumps, include: heat accumulator, user side heat exchanger, throttle part, heat source -side heat exchanger, compressor, first solenoid valve, second solenoid valve, third solenoid valve and check valve, the heat accumulator is including heat absorption pipe and exothermic pipe, the heat absorption pipe concatenates user side heat exchanger with between the throttle part, exothermic pipe concatenates heat source -side heat exchanger with between the compressor. In this way, the utility model discloses two return circuit heat accumulation defrosting type heat pumps need not stop the compressor at the defrosting in -process, does not need the cross valve switching -over, does not absorb user side heat exchanger heat energy, is favorable to improving heat pump heating capacity in winter, has extensive market prospect in air source heat pump's popularization.
Description
Technical field
The utility model relates to air source heat pump product scope, particularly relates to a kind of double loop thermal storage defrosting type heat pump.
Background technology
Heat pump is a kind of by the device of the heat energy transfer of low level heat energy to high-order thermal source, also be the new energy technology that the whole world receives much attention, it be different from people the plant equipment that can improve potential energy---" pump " be familiar with, heat pump normally first obtains low grade heat energy from natural air, water or soil, through electric power acting, and then provide the high-grade that can be utilized heat energy to people.
But the air source heat pump of prior art needs in defrost process to use cross valve commutation in the winter time, needs repeatedly open and stop compressor, and defrosting needs to absorb user side heat exchanger heat energy, is unfavorable for improving heat pump winter heating amount.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of double loop thermal storage defrosting type heat pump, by transforming being optimized property of air source heat pump, do not need to stop compressor in defrost process, cross valve is not needed to commutate, do not absorb user side heat exchanger heat energy, be conducive to improving heat pump winter heating amount, have market prospects widely popularizing of air source heat pump.
For solving the problems of the technologies described above, the utility model provides a kind of double loop thermal storage defrosting type heat pump, comprise: storage heater, user side heat exchanger, throttle part, heat source side heat exchanger, compressor, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and check valve
Described storage heater comprises housing, heat storage medium, endothermic tube and heat release pipe, and described endothermic tube is serially connected between described user side heat exchanger and described throttle part, and described heat release pipe is serially connected between described heat source side heat exchanger and described compressor,
The heat release pipe of the compressor be connected successively by pipeline, the 3rd magnetic valve, heat source side heat exchanger, the first magnetic valve, storage heater forms defrost cycle loop, described first magnetic valve to be serially connected between described heat source side heat exchanger and the described heat release pipe of described storage heater on pipeline, described 3rd magnetic valve one end is connected on the export pipeline of described compressor, the other end to be connected between described throttle part and described heat source side heat exchanger on pipeline
The endothermic tube of the compressor be connected successively by pipeline, user side heat exchanger, storage heater, throttle part, heat source side heat exchanger, the second magnetic valve are formed and heat closed circuit, described second magnetic valve one end is connected on the pipeline between described heat source side heat exchanger and described first magnetic valve, the other end is serially connected on the pipeline between the described heat release pipe of described storage heater and described compressor
Pipeline before the described endothermic tube of described storage heater or is below serially connected with check valve.
In the utility model preferred embodiment, described check valve can replace with magnetic valve, motor-driven valve, control valve, triple valve, cross valve or choke valve, and described first magnetic valve, described second magnetic valve, described 3rd magnetic valve can replace with check valve, motor-driven valve, control valve, triple valve, cross valve or choke valve.
In the utility model preferred embodiment, described user side heat exchanger can replace with Intermediate Heat Exchanger, described Intermediate Heat Exchanger is circumscribed with second level closed circuit, and described second level closed circuit comprises the second compressor, high temperature side heat exchanger and the second section stream unit that are connected successively by pipeline.
In the utility model preferred embodiment, be serially connected with heat pump accessory in the pipeline of described double loop thermal storage defrosting type heat pump, described heat pump accessory be reservoir, gas-liquid separator, oil eliminator, economizer, flash vessel, auxiliary throttle part, pilot solenoid valve, electric heater one or more.
The beneficial effects of the utility model are: the utility model double loop thermal storage defrosting type heat pump does not need to stop compressor in defrost process, cross valve is not needed to commutate, do not absorb user side heat exchanger heat energy, be conducive to improving heat pump winter heating amount, have market prospects widely popularizing of air source heat pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of double loop of the present utility model thermal storage defrosting type heat pump first preferred embodiment;
Fig. 2 is the internal structure schematic diagram of the storage heater of double loop of the present utility model thermal storage defrosting type heat pump one preferred embodiment;
Fig. 3 is the structural representation of double loop of the present utility model thermal storage defrosting type heat pump second preferred embodiment;
Fig. 4 is the structural representation of double loop of the present utility model thermal storage defrosting type heat pump the 3rd preferred embodiment;
Fig. 5 is the structural representation of double loop of the present utility model thermal storage defrosting type heat pump the 4th preferred embodiment.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 5, the utility model embodiment comprises:
A kind of double loop thermal storage defrosting type heat pump, comprising: storage heater 11, user side heat exchanger 3, throttle part 12, heat source side heat exchanger 7, compressor 1, first magnetic valve 14, second magnetic valve 15, the 3rd magnetic valve 9 and check valve 13.
Described storage heater 11 comprises housing, heat storage medium, endothermic tube and heat release pipe, and described endothermic tube is serially connected between described user side heat exchanger 3 and described throttle part 12, and described heat release pipe is serially connected between described heat source side heat exchanger 7 and described compressor 1,
The heat release pipe of the compressor 1 be connected successively by pipeline, the 3rd magnetic valve 9, heat source side heat exchanger 7, first magnetic valve 14, storage heater 11 forms defrost cycle loop, described first magnetic valve 14 to be serially connected between described heat source side heat exchanger 7 and the described heat release pipe of described storage heater 11 on pipeline, described 3rd magnetic valve 9 one end is connected on the export pipeline of described compressor 1, the other end to be connected between described throttle part 12 and described heat source side heat exchanger 7 on pipeline
The endothermic tube of the compressor 1 be connected successively by pipeline, user side heat exchanger 3, storage heater 11, throttle part 12, heat source side heat exchanger 7, second magnetic valve 15 are formed and heat closed circuit, described second magnetic valve 15 one end is connected on the pipeline between described heat source side heat exchanger 7 and described first magnetic valve 14, the other end is serially connected on the pipeline between described storage heater 11 heat release pipe and described compressor 1
Pipeline before the described endothermic tube of described storage heater 11 or is below serially connected with check valve 13.
Preferably, described check valve 13 can replace with magnetic valve, motor-driven valve, control valve, triple valve, cross valve or choke valve, and described first magnetic valve 14, described second magnetic valve 15, described 3rd magnetic valve 9 can replace with check valve, motor-driven valve, control valve, triple valve, cross valve or choke valve.
Preferably, described user side heat exchanger 3 can replace with Intermediate Heat Exchanger 304, described Intermediate Heat Exchanger 304 is circumscribed with second level closed circuit, and described second level closed circuit comprises the second compressor 301, high temperature side heat exchanger 302 and the second section stream unit 303 that are connected successively by pipeline.
Preferably, be serially connected with heat pump accessory in the pipeline of described double loop thermal storage defrosting type heat pump, described heat pump accessory be reservoir, gas-liquid separator, oil eliminator, economizer, flash vessel, auxiliary throttle part, pilot solenoid valve, electric heater one or more.
Preferably, the method for work of described double loop thermal storage defrosting type heat pump comprises the following steps:
(1) when heating, described second magnetic valve 15 is energized, described compressor 1 exports high temperature refrigerant and enters described user side heat exchanger 3 and carry out heat release, again by after the further heat release of described endothermic tube of described storage heater 11, after the step-down of described throttle part 12, enter the heat absorption of described heat source side heat exchanger 7 become gas, get back to described compressor 1 through described second magnetic valve 15 again, in described compressor 1, be compressed into high-temperature gas, enter and circulate next time;
(2) during defrosting, described compressor 1 keeps duty constant, described 3rd magnetic valve 9 and described first magnetic valve 14 are energized, described second magnetic valve 15 power-off, described compressor 1 exports cold-producing medium and directly enters described heat source side heat exchanger 7 heat release defrosting mainly through described 3rd magnetic valve 9, get back to described compressor 1 after the described heat release pipe heat absorption entering described storage heater 11 through described first magnetic valve 14 afterwards becomes gas, enter after being collapsed into high-temperature gas by described compressor 1 and circulate next time.
Storage heater 11 described in Fig. 2 includes on the separate heat exchanging pipe of housing 101, heat-conducting medium 103 and two-way, wherein heat exchanging pipe to comprise in heat-releasing pipeline on 102 and heat absorption pipeline 104.
The structure chart of the second preferred embodiment shown in Fig. 3 is that the 3rd magnetic valve 9 of the structural representation of the first preferred embodiment shown in Fig. 1 is replaced with cross valve 901 and the second check valve 902, and adds the use of capillary 903.
The structure chart of the 3rd preferred embodiment shown in Fig. 4 is that the first magnetic valve 14, second magnetic valve 15 of the structural representation of the first preferred embodiment shown in Fig. 1 is replaced with the 3rd check valve 904, the 4th check valve 905 and the second cross valve 906.
The structure chart of the 4th preferred embodiment shown in Fig. 5 is the application of double loop thermal storage defrosting scheme in the heat pump of Two-stage Compression, described user side heat exchanger 3 can replace with Intermediate Heat Exchanger 304, described Intermediate Heat Exchanger 304 is circumscribed with second level closed circuit, and described second level closed circuit comprises the second compressor 301, high temperature side heat exchanger 302 and the second section stream unit 303 that are connected successively by pipeline.When heating, compressor 1, second compressor 301 and the 3rd magnetic valve 15 are opened, the cold-producing medium of compressor 1 is through Intermediate Heat Exchanger 304 heat release, heat release in check valve 13 to storage heater 11 again, heat source side heat exchanger 7 endothermic gasification is entered afterwards after throttle part 12 step-down, enter compressor 1 through the second magnetic valve 15, enter after being compacted into high-temperature gas and circulate next time.Meanwhile, second compressor 301 high temperature refrigerant out exothermic condensation in high temperature side heat exchanger 302, after second section stream unit 303 reducing pressure by regulating flow in Intermediate Heat Exchanger 304 endothermic gasification, enter after the second compressor 301 is heated up by compression and entered and circulate next time.
During defrosting, the second compressor 301 is shut down, and second level cold-producing medium no longer works; Compressor 1 keeps running, 3rd magnetic valve 9, first magnetic valve 14 is energized, second magnetic valve 15 disconnects, compressor 1 high temperature refrigerant out enters heat source side heat exchanger 7 heat release defrosting condensation through the 3rd magnetic valve 9, storage heater 11 endothermic gasification is entered again after the first magnetic valve 14, enter after compressor 1 is heated up by compression and discharge, enter and circulate next time.
The beneficial effect of the utility model double loop thermal storage defrosting type heat pump is:
By to the transformation of being optimized property of air source heat pump, do not need to stop compressor in defrost process, do not need cross valve to commutate, do not absorb user side heat exchanger heat energy, be conducive to improving heat pump winter heating amount.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a double loop thermal storage defrosting type heat pump, is characterized in that, comprising: storage heater, user side heat exchanger, throttle part, heat source side heat exchanger, compressor, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and check valve,
Described storage heater comprises housing, heat storage medium, endothermic tube and heat release pipe, and described endothermic tube is serially connected between described user side heat exchanger and described throttle part, and described heat release pipe is serially connected between described heat source side heat exchanger and described compressor,
The heat release pipe of the compressor be connected successively by pipeline, the 3rd magnetic valve, heat source side heat exchanger, the first magnetic valve, storage heater forms defrost cycle loop, described first magnetic valve to be serially connected between described heat source side heat exchanger and the described heat release pipe of described storage heater on pipeline, described 3rd magnetic valve one end is connected on the export pipeline of described compressor, the other end to be connected between described throttle part and described heat source side heat exchanger on pipeline
The endothermic tube of the compressor be connected successively by pipeline, user side heat exchanger, storage heater, throttle part, heat source side heat exchanger, the second magnetic valve are formed and heat closed circuit, described second magnetic valve one end is connected on the pipeline between described heat source side heat exchanger and described first magnetic valve, the other end is serially connected on the pipeline between the described heat release pipe of described storage heater and described compressor
Pipeline before the described endothermic tube of described storage heater or is below serially connected with check valve.
2. double loop according to claim 1 thermal storage defrosting type heat pump, it is characterized in that, described check valve can replace with magnetic valve, motor-driven valve, control valve, triple valve, cross valve or choke valve, and described first magnetic valve, described second magnetic valve, described 3rd magnetic valve can replace with check valve, motor-driven valve, control valve, triple valve, cross valve or choke valve.
3. double loop according to claim 1 thermal storage defrosting type heat pump, it is characterized in that, described user side heat exchanger can replace with Intermediate Heat Exchanger, described Intermediate Heat Exchanger is circumscribed with second level closed circuit, and described second level closed circuit comprises the second compressor, high temperature side heat exchanger and the second section stream unit that are connected successively by pipeline.
4. the double loop thermal storage defrosting type heat pump according to claim 1 or 3, it is characterized in that, be serially connected with heat pump accessory in the pipeline of described double loop thermal storage defrosting type heat pump, described heat pump accessory be reservoir, gas-liquid separator, oil eliminator, economizer, flash vessel, auxiliary throttle part, pilot solenoid valve, electric heater one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733709.2U CN205027016U (en) | 2015-09-22 | 2015-09-22 | Two return circuit heat accumulation defrosting type heat pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733709.2U CN205027016U (en) | 2015-09-22 | 2015-09-22 | Two return circuit heat accumulation defrosting type heat pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027016U true CN205027016U (en) | 2016-02-10 |
Family
ID=55259539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520733709.2U Expired - Fee Related CN205027016U (en) | 2015-09-22 | 2015-09-22 | Two return circuit heat accumulation defrosting type heat pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115207A (en) * | 2015-09-22 | 2015-12-02 | 苏州工业园区瀚科机器制造有限公司 | Double-loop heat accumulating and defrosting type heat pump |
| CN111964308A (en) * | 2020-08-28 | 2020-11-20 | 万江新能源集团有限公司 | Air source defrosting device |
-
2015
- 2015-09-22 CN CN201520733709.2U patent/CN205027016U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115207A (en) * | 2015-09-22 | 2015-12-02 | 苏州工业园区瀚科机器制造有限公司 | Double-loop heat accumulating and defrosting type heat pump |
| CN111964308A (en) * | 2020-08-28 | 2020-11-20 | 万江新能源集团有限公司 | Air source defrosting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062698B (en) | A kind of efficient direct expanding solar heating pump couples heating system with water resource heat pump | |
| CN100498128C (en) | Low grade energy driven and mechanical power driven composite heat pump, refrigeration system | |
| CN105042931A (en) | Combined heat pump system adopting trans-critical circulation and absorption heat pump co-production | |
| CN102538295B (en) | Solar driven cold and heat source supply system | |
| CN108106046A (en) | A kind of solar energy double effect absorption type heat pump system of combination three-phase accumulation of energy | |
| CN201488418U (en) | Defrosting structure of air source heat pump water heater | |
| CN203586629U (en) | Air source heat pump air conditioning unit with multiple switchable heat exchangers | |
| CN104481614B (en) | A kind of take carbon dioxide as the distributing-supplying-energy system of working medium | |
| CN101556095A (en) | Low-grade energy driving and mechanical work driving combined heat pump or refrigerating system | |
| CN105716329A (en) | Direct-expansion type solar heat pump system | |
| CN205137982U (en) | Two return circuit heat accumulation defrosting type air conditioners | |
| CN203310083U (en) | High-temperature high-efficiency heat recovery heat pump water heater | |
| CN205027016U (en) | Two return circuit heat accumulation defrosting type heat pumps | |
| CN203100160U (en) | Shower hot air and hot water waste heat recovered type heat-pump water heater | |
| CN103090582B (en) | The absorption energy storage equipment of a kind of boosting type three-phase | |
| CN202521848U (en) | Air source heat pump water heater with supercooling copper pipe | |
| CN201387143Y (en) | High-temperature energy-saving water heater device for low-temperature air source heat pump with storing and dividing device | |
| CN203010922U (en) | Single-stage-compressing double-stage-heating high-temperature heat pump water heater | |
| CN205208928U (en) | Big temperature rise two -stage of efficient throttle two -stage compression heat pump water heater | |
| CN203349509U (en) | Waste-hot-water residual heat recycling type heat-pump water heater with electrical heating function | |
| CN202303881U (en) | Air source heat pump water heater adopting enhanced vapor injection | |
| CN108224775A (en) | Heat pump-electromagnetic induction composite crude oil heating device and control method thereof | |
| CN102798250B (en) | Double-heat-source trans-critical carbon-dioxide multifunctional heat-pump system | |
| CN205026982U (en) | Heat accumulation defrosting type heat pump | |
| CN108444128B (en) | A kind of Trans-critical cycle CO2Wet Compression heat pump system and its operating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |