CN205174653U - Heat accumulation type air source heat pump hot and cold water system - Google Patents
Heat accumulation type air source heat pump hot and cold water system Download PDFInfo
- Publication number
- CN205174653U CN205174653U CN201520907794.XU CN201520907794U CN205174653U CN 205174653 U CN205174653 U CN 205174653U CN 201520907794 U CN201520907794 U CN 201520907794U CN 205174653 U CN205174653 U CN 205174653U
- Authority
- CN
- China
- Prior art keywords
- valve
- heat
- source
- pump
- storage tank
- 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.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000009825 accumulation Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000005338 heat storage Methods 0.000 claims description 41
- 239000002826 coolant Substances 0.000 claims description 25
- 230000008676 import Effects 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 abstract description 14
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012782 phase change material Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a heat accumulation type air source heat pump hot and cold water system, belongs to heat pump technique and refrigeration air conditioner field. This system includes outdoor source side, heat pump host computer, customer side and regenerative matrices, outdoor source side is including secondary refrigerant pump, air -cooled heat exchanger and source side valve door, the secondary refrigerant pump mouthful and to connect gradually air -cooled heat exchanger and source side valve door through the pipeline, then the liquid cooling formula heat exchanger through the heat pump host computer returns the entry of secondary refrigerant pump, the heat accumulation side is main including first valve, second valve, heat accumulation case, third valve and four valves, heat accumulation case one side connect gradually first valve and source side valve door through the pipeline, then return the heat accumulation case through the second valve, the opposite side connects gradually third valve and customer side's customer side valve through the pipeline, then returns the heat accumulation case through four valves. The utility model discloses can greatly reduced heat supply in winter heat pump system capacity to not only reduce the initial cost, improved the operating efficiency of heat pump moreover.
Description
Technical field
The utility model belongs to heat pump techniques and field of Refrigeration and Air-conditioning, relates to a kind of heat accumulating type flexible air source heat pump system.
Background technology
Air source heat pump to take into account cooling and warming, compact conformation, energy-saving and water-saving, the plurality of advantages such as easy to install and use obtain propagation and employment widely in China middle and lower reach of Yangtze River, southwest and South China.But for the northern area of China, due to based on heat supply, ensure indoor heat load demand under exceedingly odious weather, the capacity type selecting of source pump is larger, cause the heat pump most of the time to be run at part load, the oepration at full load time is few, and therefore efficiency is low.Therefore, reduce heat pump type selecting capacity, solve type selecting problem bigger than normal, improve operation of heat pump efficiency, significant for China's energy-saving and emission-reduction cause, be also the inevitable requirement expanding air source heat pump application region.
Chinese patent (application number CN01105718) discloses the technical scheme utilizing phase-change material to carry out the heat pump heat supply of accumulation of heat.The program, when low power consumption, utilizes electric heater to heat phase-change material in phase transition heat accumulation unit, is stored by heat, and heat extraction is out room heat supply by heat pump by daytime.This system can save operation power charge, balanced electricity need load, but this technical scheme underuses natural energy resources, therefore not energy-conservation.Chinese patent (application number CN200410026453) proposes another kind of phase-transition heat-storage heat pump techniques scheme.The difference of the program and a upper scheme is in phase transition heat accumulation unit, add condensing heat-exchange coil pipe, can make full use of condensation heat and store.This system shortcoming is: when environment temperature is higher, but heat pump condensation heat does not meet phase-change material accumulation of heat requirement or in a period of time during a large amount of hot water of needs, this system still needs to open auxiliary electrical heater equipment, causes the operational efficiency of system to reduce.Chinese patent (CN201420315932) discloses and adopts Thermal Performance of Micro Channels and capillary heat transfer technology to improve the technical scheme of the heat exchange efficiency of water heater.The program there is no essential distinction with patent (application number CN200410026453) on systems.Chinese patent (CN201410356791) discloses the technical scheme of heat-storing material and cold water and the refrigerant heat exchange pipeline combining form adopting different transformation temperature.The program is improved on the phase-change material and structural shape of regenerative apparatus.
Above-mentioned heat storage heat pump system complex, initial cost is large, still exist owing to designing the problems such as the unreasonable high energy consumption O&M caused is expensive, therefore, the air-source heat pump water chiller-heater system that research and development have features such as structure is simple, reliable, heat capacity is strong, energy consumption level is low improves the important technology approach of the reliability of heat supply, comfortableness and security.
Utility model content
For above-mentioned problems of the prior art and shortcoming, the utility model provides a kind of heat accumulating type air-source heat pump water chiller-heater system, solve heat pump heat supply capacity type selecting in winter problem bigger than normal, not only reduce initial cost, and improve the operational efficiency of heat pump.
Concrete technical scheme of the present utility model is as follows:
A kind of heat accumulating type air-source heat pump water chiller-heater system, comprises heat pump main frame and user side; Heat pump main frame comprises compressor, cross valve, first liquid cooled heat exchanger, expansion valve and second liquid cooled heat exchanger; User side comprises user, water pump and user's side valve door; It is characterized in that: this system also comprises outdoor source and accumulation of heat module; Outdoor source comprises coolant pump, air cooling heat exchanger and source valve successively, described coolant pump outlet connects air cooling heat exchanger and source valve successively by pipeline, the outlet of source valve is connected with the cooling medium entrance of first liquid cooled heat exchanger, and the entrance of coolant pump exports with the cooling medium of first liquid cooled heat exchanger and is connected; Accumulation of heat side comprises heat storage tank, the first valve, the second valve, the 3rd valve and the 4th valve, and described heat storage tank inside also comprises heat exchange coil; The import of described source valve connects the import of heat exchange coil in heat storage tank by the second valve, the outlet of described source valve connects the outlet of heat exchange coil in heat storage tank by the first valve; The import of described heat storage tank connects the import of user's side valve door by the 4th valve, the outlet of described heat storage tank connects the outlet of user's side valve door by the 3rd valve.
A kind of heat accumulating type air-source heat pump water chiller-heater system described in the utility model, is characterized in that: described heat storage tank is enclosed heat storage tank or opening type thermal-storage case.
Compared with prior art, the utility model has following advantage and beneficial effect:
1. compare phase-transition heat-storage, heat storage tank not only cost is low, and greatly reduces the type selecting capacity of heat pump, not only reduces initial cost, and reduces the vacancy rate of equipment, improve operational efficiency.
2. winter operation performance is significantly improved: owing to adopting heat storage tank, improve the mismatch of unit heat capacity and load, ensure the heat capacity of system under exceedingly odious operating mode in winter, switch to after source simultaneously, not only more safe and reliable, and improve the operational efficiency of system, reduce operation energy consumption.
3. simple, the technology maturation of structure: utilize refrigerating medium and water source and user side to be coupled together in the technical foundation of existing air source heat pump, be not only conducive to the research and development that prior art transformation and upgrade are also conducive to new equipment; In addition, each parts adopted in accumulation of heat module are also the assemblies of development comparative maturity, and technical feasibility is high.
Accompanying drawing explanation
Fig. 1 is system principle and structural representation disclosed in the utility model.
Fig. 2 is the operation principle schematic diagram of single source of the present utility model heat pump heat supply pattern.
Fig. 3 is the operation principle schematic diagram of double-source heat pump heat supply mode of the present utility model.
Fig. 4 is the operation principle schematic diagram of heat storage tank heat supply mode of the present utility model.
Fig. 5 is the operation principle schematic diagram of single source of the present utility model heat pump+heat storage tank heat supply mode.
Fig. 6 is the operation principle schematic diagram of single source of the present utility model heat pump+heat storage tank accumulation of heat pattern.
Fig. 7 is the operation principle schematic diagram of cooling mode of the present utility model.
In Fig. 1 ~ Fig. 7, the name of each parts is called: 1-source module; 11-coolant pump; 12-air cooling heat exchanger; 13-source valve; 2-heat pump main frame; 21-compressor; 22-cross valve; 23-first liquid cooled heat exchanger; 24-expansion valve; 25-second liquid cooled heat exchanger; 3-user side; 31-user; 32-water pump; 33-user's side valve door; 4-accumulation of heat module; 41-first valve; 42-second valve; 43-heat storage tank; 44-the 3rd valve; 45-the 4th valve; 46-heat exchange coil.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure of the present utility model, principle and operational mode are further elaborated:
Fig. 1 is the theory and structure schematic diagram of native system, and this system comprises heat pump main frame 2 and user side 3; Heat pump main frame 2 comprises compressor 21, cross valve 22, first liquid cooled heat exchanger 23, expansion valve 24 and second liquid cooled heat exchanger 25; User side 3 comprises user 31, water pump 32 and user's side valve door 33; This system also comprises outdoor source 1 and accumulation of heat module 4; Outdoor source 1 comprises coolant pump 11, air cooling heat exchanger 12 and source valve 13 successively, described coolant pump 11 exports and connects air cooling heat exchanger 12 and source valve 13 successively by pipeline, the outlet of source valve 13 is connected with the cooling medium entrance of first liquid cooled heat exchanger 23, and the entrance of coolant pump 11 exports with the cooling medium of first liquid cooled heat exchanger 23 and is connected; Accumulation of heat side 4 comprises heat storage tank 43, first valve 41, second valve 42, the 3rd valve 44 and the 4th valve 45, and described heat storage tank 43 inside also comprises heat exchange coil 46; The import of described source valve 13 connects the import of heat exchange coil 46 in heat storage tank 43 by the second valve 42, the outlet of described source valve 13 connects the outlet of heat exchange coil 46 in heat storage tank 43 by the first valve 41; The import of described heat storage tank 43 connects the import of user's side valve door 33 by the 4th valve 45, the outlet of described heat storage tank 43 connects the outlet of user's side valve door 33 by the 3rd valve 44.
Heat storage tank described in the utility model adopts enclosed heat storage tank or opening type thermal-storage case.
Fig. 2 is single source heat pump heat supply work pattern principle schematic of native system, and realizing this function needs closedown first valve 41, second valve 42, the 3rd valve 44 and the 4th valve 45, opens source valve 13 and user's side valve door 33; Source 1 refrigerating medium circulates: the low temperature refrigerating medium of coolant pump 11 entrance enters air cooling heat exchanger 12 through coolant pump 11, the cold-producing medium of the first liquid cooled heat exchanger and low-temp low-pressure that enter heat pump main frame 2 through source valve 13 after heat exchange carries out heat exchange, and the refrigerating medium becoming low temperature returns the entrance of coolant pump 11; The refrigerant circulation of heat pump main frame 2: the low-temp low-pressure gaseous refrigerant of compressor 21 entrance becomes the gaseous refrigerant of HTHP through overcompression, then second liquid cooled heat exchanger 25 is flowed into through cross valve 22, liquefy cold-producing medium after condensation heat release, continuing through expansion valve 24 throttling is the gas-liquid two-phase of low-temp low-pressure, then enter first liquid cooled heat exchanger and be evaporated to gas, returned the entrance of compressor 21 by cross valve 22, so far complete whole kind of refrigeration cycle; User side 3 water circulation: the water at low temperature that user 31 exports enters the second liquid cooled heat exchanger 25 of heat pump main frame 2 through water pump 32, carry out heat exchange, then supply user 31 by user's side valve door 33 with the cold-producing medium of HTHP.
Fig. 3 is the double-source heat pump heat supply mode operation principle schematic diagram of native system, and realizing this function needs closedown the 3rd valve 44, the 4th valve 45 and source valve 13, opens the first valve 41, second valve 42 and user's side valve door 33; Source 1 refrigerating medium circulates: the low temperature refrigerating medium of coolant pump 11 entrance enters air cooling heat exchanger 12 through coolant pump 11, enter heat exchange coil 46 in heat storage tank 43 through the second valve 42 after heat absorption and carry out secondary heat absorption, then enter first liquid cooled heat exchanger 23 and the low-temperature low-pressure refrigerant heat exchange of heat pump main frame 2 through the first valve 41, after becoming low temperature refrigerating medium, return coolant pump 11 entrance; Heat pump main frame 2 refrigerant circulation and user side 3 water circulation identical with single source heat pump heat supply pattern.
Fig. 4 is the heat storage tank heat supply mode operation principle schematic diagram of native system, and realizing this function needs closedown first valve 41, second valve 42, user's side valve door 33 and source valve 13, opens the 3rd valve 44 and the 4th valve 45; Now stop the circulation of source 1 refrigerating medium and heat pump main frame 2 kind of refrigeration cycle; User side 3 water circulation: the water at low temperature that user 31 exports enters the second liquid cooled heat exchanger 25 of heat pump main frame 2 through water pump 32, then enter heat storage tank through the 4th valve 45 and absorb heat, become high-temperature water, supply user 31 through the 3rd valve 44.
Fig. 5 is the single source heat pump+heat storage tank heat supply mode operation principle schematic diagram of native system, and realizing this function needs closedown first valve 41, second valve 42 and user's side valve door 33, opens the 3rd valve 44, the 4th valve 45 and source valve 13; Source 1 refrigerating medium circulation and heat pump main frame 2 refrigerant circulation identical with single source heat pump heat supply pattern; User side 3 water circulation is identical with heat storage tank heat supply mode.
Fig. 6 is the single source heat pump+heat storage tank accumulation of heat work pattern principle schematic of native system, and realizing this function needs closedown first valve 41, second valve 42 and user's side valve door 33, opens the 3rd valve 44, the 4th valve 45 and source valve 13; Now user 31 does not have thermic load, and system carries out accumulation of heat to heat storage tank 43; The circulation of source 1 refrigerating medium, heat pump main frame 2 refrigerant circulation and user side 3 water circulation are identical with single source heat pump+heat storage tank heat supply mode.
Fig. 7 is the cooling mode operation principle schematic diagram of native system, and realizing this function needs closedown first valve 41, second valve 42, the 3rd valve 44 and the 4th valve 45, opens source valve 13 and user's side valve door 33; Source 1 refrigerating medium circulates: the high temperature refrigerating medium of coolant pump 11 entrance enters air cooling heat exchanger 12 through coolant pump 11, low temperature refrigerating medium is become after heat exchange, the cold-producing medium of the first liquid cooled heat exchanger and HTHP that then enter heat pump main frame 2 through source valve 13 carries out heat exchange, and the refrigerating medium becoming high temperature returns the entrance of coolant pump 11; The refrigerant circulation of heat pump main frame 2: the low-temp low-pressure gaseous refrigerant of compressor 21 entrance becomes the gaseous refrigerant of HTHP through overcompression, then first liquid cooled heat exchanger 23 is flowed into through cross valve 22, liquefy cold-producing medium after condensation heat release, continuing through expansion valve 24 throttling is the gas-liquid two-phase of low-temp low-pressure, then enter second liquid cooled heat exchanger 25 and be evaporated to gas, returned the entrance of compressor 21 by cross valve 22, so far complete whole kind of refrigeration cycle; User side 3 water circulation: the high-temperature water that user 31 exports enters the second liquid cooled heat exchanger 25 of heat pump main frame 2 through water pump 32, carry out heat exchange with the cold-producing medium of low-temp low-pressure, temperature reduces, and then supplies user 31 by user's side valve door 33.
Claims (2)
1. a heat accumulating type air-source heat pump water chiller-heater system, comprises heat pump main frame (2) and user side (3); Heat pump main frame (2) comprises compressor (21), cross valve (22), first liquid cooled heat exchanger (23), expansion valve (24) and second liquid cooled heat exchanger (25); User side (3) comprises user (31), water pump (32) and user's side valve door (33); It is characterized in that: this system also comprises outdoor source (1) and accumulation of heat module (4); Outdoor source (1) comprises coolant pump (11), air cooling heat exchanger (12) and source valve (13) successively, described coolant pump (11) outlet connects air cooling heat exchanger (12) and source valve (13) successively by pipeline, the outlet of source valve (13) is connected with the cooling medium entrance of first liquid cooled heat exchanger (23), and the entrance of coolant pump (11) exports with the cooling medium of first liquid cooled heat exchanger (23) and is connected; Accumulation of heat side (4) comprises heat storage tank (43), the first valve (41), the second valve (42), the 3rd valve (44) and the 4th valve (45), and described heat storage tank (43) inside also comprises heat exchange coil (46); The import of described source valve (13) connects the import of heat storage tank (43) interior heat exchange coil (46) by the second valve (42), the outlet of described source valve (13) connects the outlet of heat storage tank (43) interior heat exchange coil (46) by the first valve (41); The import of described heat storage tank (43) connects the import of user's side valve door (33) by the 4th valve (45), the outlet of described heat storage tank (43) connects the outlet of user's side valve door (33) by the 3rd valve (44).
2. a kind of heat accumulating type air-source heat pump water chiller-heater system according to claim 1, is characterized in that: described heat storage tank (43) is enclosed heat storage tank or opening type thermal-storage case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907794.XU CN205174653U (en) | 2015-11-13 | 2015-11-13 | Heat accumulation type air source heat pump hot and cold water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907794.XU CN205174653U (en) | 2015-11-13 | 2015-11-13 | Heat accumulation type air source heat pump hot and cold water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205174653U true CN205174653U (en) | 2016-04-20 |
Family
ID=55738641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520907794.XU Withdrawn - After Issue CN205174653U (en) | 2015-11-13 | 2015-11-13 | Heat accumulation type air source heat pump hot and cold water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205174653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318466A (en) * | 2015-11-13 | 2016-02-10 | 清华大学 | Heat storage type air source heat pump water cooling and heating system and operation method thereof |
-
2015
- 2015-11-13 CN CN201520907794.XU patent/CN205174653U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318466A (en) * | 2015-11-13 | 2016-02-10 | 清华大学 | Heat storage type air source heat pump water cooling and heating system and operation method thereof |
| CN105318466B (en) * | 2015-11-13 | 2019-04-23 | 清华大学 | A kind of heat accumulating type air-source heat pump water chiller-heater system and its operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105318466A (en) | Heat storage type air source heat pump water cooling and heating system and operation method thereof | |
| CN100470170C (en) | Integral air-conditioning system with solar assisted air source inter-critical carbon dioxide heat pump | |
| CN102679624B (en) | Solar energy and heat source tower heat pump combined triple supply air-conditioning system | |
| CN101464058B (en) | Large energy accumulation type air source heat pump hot water units | |
| CN105571029A (en) | Method and device for realizing extra-seasonal synchronous cold storage and heat storage of air-conditioner | |
| CN103335454A (en) | Air source heat pump device with solar hot water auxiliary defrosting function and use method thereof | |
| CN204629871U (en) | The heating-cooling double-effect energy-storage air conditioner system that a kind of distributed wind energy/photovoltaic separate energy source drives | |
| CN108302838A (en) | A kind of heat-storage solar energy coupling air source heat pump system and its control method | |
| CN105180508A (en) | Combined cooling, heating and power supply system based on solar energy | |
| CN109341165A (en) | A kind of air source heat pump defrosting system based on heat of compressor phase-change accumulation energy | |
| CN101000166A (en) | Small multifunction solar energy-storage air conditioner | |
| CN104728974A (en) | Cold and heat double-effect energy storage air-conditioning system driven by distributed wind energy/photovoltaic independent energy | |
| CN201680650U (en) | Multifunctional solar heat pump unit | |
| CN102937315A (en) | Refrigeration and cold accumulation system | |
| CN204240636U (en) | A kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit | |
| CN201527134U (en) | Total heat recovery refrigerating system for air conditioning device | |
| CN204987535U (en) | Energy storage formula air source heat pump unit | |
| CN202209814U (en) | Solar energy auxiliary heating ground source air-conditioning hot water integrated machine | |
| CN202902525U (en) | Ice storage and water thermal storage system | |
| CN203518337U (en) | Efficient buried pipe heat exchange system of ground source heat pump central air conditioner | |
| CN205174653U (en) | Heat accumulation type air source heat pump hot and cold water system | |
| CN102230690B (en) | Solar-powered heat pump unit capable of freely recovering excess heat | |
| CN101806515A (en) | High-efficiency hot water tri-generation system for solar air conditioner | |
| CN105258379A (en) | Heat pump solar evaporative condensation air conditioning unit | |
| CN202648134U (en) | Hot-gas bypass defrosting type heat-pump water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20190423 |
|
| AV01 | Patent right actively abandoned |