CN201066217Y - Novel heat pump system with bidirectional liquid storage tank - Google Patents
Novel heat pump system with bidirectional liquid storage tank Download PDFInfo
- Publication number
- CN201066217Y CN201066217Y CNU2007200549156U CN200720054915U CN201066217Y CN 201066217 Y CN201066217 Y CN 201066217Y CN U2007200549156 U CNU2007200549156 U CN U2007200549156U CN 200720054915 U CN200720054915 U CN 200720054915U CN 201066217 Y CN201066217 Y CN 201066217Y
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fluid reservoir
- liquid storage
- heat 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 230000002457 bidirectional effect Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 claims description 34
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 238000004781 supercooling Methods 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides a novel heat pump system with two-way liquid storage pot. The system comprises at least one indoor unit, a compressor, a gas-liquid separator, a four-way valve, an outdoor heat exchanger, a throttling device and a liquid storage tank, wherein the throttling device is connected between the outdoor heat exchanger and the liquid storage tank. The throttling device of the refrigerating system designed by the patent is connected between the outdoor heat exchanger and the liquid storage tank, when an indoor unit is used for refrigerating, a refrigerant coming out of the compressor is condensed into a high-temperature and high-pressure liquid refrigerant after passing through the outdoor heat exchanger, is throttled by the throttling device to become a gas-liquid mixed low-temperature and low-pressure refrigerant, then flows into the liquid storage tank, and then flows into the indoor heat exchanger for heat exchange, and the supercooling degree of the unit during refrigerating can be improved through the ingenious design, so that the energy efficiency ratio of the unit is improved. And the parts such as valves and the like added in the unit are fewer, the system is simple in structure, convenient to control and high in reliability.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of novel heat pump that has two-way fluid reservoir.
Background technology
Generally all adopt fluid reservoir in the cooling cycle system of existing large-size air conditioning unit, but in the existing heat pump that has a fluid reservoir, system architecture is very complicated, adopt two or more individual event valves and at least two electric expansion valves to realize the variation of refrigerant flow direction in the General System, thereby realize freezing and heating.But the valve of refrigerant flow direction control increases, the pipe-line system complexity, thus cause control also quite complicated, and pad increases the coolant leakage rate that can improve complete machine, causes that easily cold-producing medium leaks.Fig. 1 is existing a kind of heat pump that has fluid reservoir, system comprises indoor units and outdoor unit, indoor units comprises a case tube heat exchanger 40, comprise compressor 10 in the outdoor unit, gas-liquid separator 20, cross valve 30, outdoor heat exchanger 110, fluid reservoir 100 and corresponding throttle mechanism, its throttle mechanism comprises two individual event valves and two electric expansion valves, the refrigerant loop that comes out from outdoor heat exchanger 110 is divided into two-way, one the tunnel through first individual event valve 90, second individual event valve, 50 backs flow into case tube heat exchanger 40, another road is successively through flowing into case tube heat exchanger 40 behind two electric expansion valves, between two electric expansion valves and fluid reservoir 100, be connected with filter 70, though above-mentioned cooling cycle system can be realized refrigeration and heat, but because valve part is more in the system, system's control is complicated, and cost is also higher relatively, therefore need urgently develop the heat pump that the control of a kind of system simply has fluid reservoir.
The utility model content
The purpose of this utility model is to provide a kind of novel heat pump that has two-way fluid reservoir, and this system architecture is simple, is convenient to control, and can raising Energy Efficiency Ratio during the system refrigeration.
The purpose of this utility model is achieved by the following technical solution:
A kind of novel heat pump that has two-way fluid reservoir, comprise at least one indoor set, compressor, gas-liquid separator, cross valve, outdoor heat exchanger, throttling arrangement and fluid reservoir, connect to form complete heat pump circuit by pipeline between the each several part, it is characterized in that: described throttling arrangement is connected between outdoor heat exchanger and the fluid reservoir.
Its second is characterised in that: described throttling arrangement is connected to form successively by first filter, electric expansion valve and second filter, and the other end of first filter is connected with outdoor heat exchanger, and the other end of second filter is connected with fluid reservoir.
Its 3rd is characterised in that: described throttling arrangement comprises first filter, throttle part and second filter, and described throttle part comprises electric expansion valve and capillary, and described electric expansion valve is connected with capillary paralleling.
Throttling arrangement in the heat pump that the utility model is mentioned is connected between outdoor heat exchanger and the fluid reservoir, in refrigeration, the cold-producing medium that comes out from compressor is through being condensed into the liquid refrigerant of HTHP behind the outdoor heat exchanger, earlier through the throttling arrangement throttling, flowing into fluid reservoir again after becoming the low-temperature low-pressure refrigerant of gas-liquid mixed, and then flow to indoor heat exchanger and carry out heat exchange, can improve the degree of supercooling of unit when freezing by so ingenious design, thereby improve the Energy Efficiency Ratio of unit.And parts such as the valve that increases in the unit are less, and system architecture is simple, are convenient to control, and reliability is higher.
Description of drawings:
Fig. 1 is the existing connection diagram that has the heat pump of fluid reservoir.
Fig. 2 is the connection diagram of heat pump among the utility model embodiment one.
Fig. 3 is the connection diagram of heat pump among the utility model embodiment two.
The specific embodiment
First embodiment
The novel heat pump that has two-way fluid reservoir as shown in Figure 2, comprise at least one indoor set 9, compressor 1, gas-liquid separator 3, cross valve 2, outdoor heat exchanger 4, throttling arrangement and fluid reservoir 8, connect to form complete heat pump circuit by pipeline between the each several part, described throttling arrangement is connected between outdoor heat exchanger 4 and the fluid reservoir 8.Described throttling arrangement is connected to form successively by first filter 5, electric expansion valve 6 and second filter 7, and the other end of first filter 5 is connected with outdoor heat exchanger 4, and the other end of second filter 7 is connected with fluid reservoir 8.
Introduce the course of work of the novel heat pump that has fluid reservoir that the utility model relates to below.
When indoor set carries out refrigeration work, after cold-producing medium compresses through compressor 1, carry out heat exchange through cross valve 2 back inlet chamber external heat exchangers 4 with outside air, cold-producing medium is condensed into the liquid refrigerant of HTHP, then successively through first filter 5, electric expansion valve 6 and second filter 7, this moment, cold-producing medium was the low-temp low-pressure state of gas-liquid mixed by throttling, cold-producing medium enters fluid reservoir 8 then, can increase unit degree of supercooling herein like this, fluid reservoir uses as low-pressure liquid storing tank in the time of the indoor set refrigeration.Cold-producing medium flows out from fluid reservoir 8, enters indoor set 9 and carries out evaporating after the heat exchange with room air, and the cold-producing medium after the evaporation is sucked by compressor 1 air entry through vapour liquid separator 3 and cross valve 2 backs then, is participated in circulation next time by compressor 1 compression back.
When indoor set heats work, after cold-producing medium compresses through compressor 1, carry out heat exchange through machine 9 in the cross valve 2 back inlet chambers with room air, this moment, cold-producing medium entered fluid reservoir 8 after being condensed into the liquid refrigerant of HTHP, when indoor set heated, fluid reservoir used as the high pressure fluid reservoir.Cold-producing medium is successively through second filter 7, electric expansion valve 6 and first filter 5 then, this moment, cold-producing medium was the low-temp low-pressure state of gas-liquid mixed, cold-producing medium evaporates in flowing to outdoor heat exchanger 4 more then, cold-producing medium after the evaporation is sucked by compressor 1 air entry through cross valve 2, gas-liquid separator 3 backs, is participated in circulation next time by compressor 1 compression back.
Second embodiment
The novel heat pump that has two-way fluid reservoir as shown in Figure 3, the difference of the present embodiment and first embodiment is that described throttling arrangement comprises first filter 5, throttle part and second filter 7, wherein throttle part comprises electric expansion valve 6 and capillary 11, and electric expansion valve 6 is connected in parallel with capillary 11.
The applicant has introduced structure of the present utility model by above embodiment, and the utility model also has some more conspicuous to one skilled in the art distortion, as the common replacement of throttling arrangement and the branch road of increase parallel connection etc.Therefore, under inspiration of the present utility model, the conspicuous distortion that those skilled in the art makes all should fall within the protection domain of the present utility model.
Claims (3)
1. novel heat pump that has two-way fluid reservoir, comprise at least one indoor set (9), compressor (1), gas-liquid separator (3), cross valve (2), outdoor heat exchanger (4), throttling arrangement and fluid reservoir (8), connect to form complete heat pump circuit by pipeline between the each several part, it is characterized in that: described throttling arrangement is connected between outdoor heat exchanger (4) and the fluid reservoir (8).
2. the novel heat pump that has two-way fluid reservoir according to claim 1, it is characterized in that: described throttling arrangement is connected to form successively by first filter (5), electric expansion valve (6) and second filter (7), the other end of first filter (5) is connected with outdoor heat exchanger (4), and the other end of second filter (7) is connected with fluid reservoir (8).
3. the novel heat pump that has two-way fluid reservoir according to claim 1, it is characterized in that: described throttling arrangement comprises first filter (5), throttle part and second filter (7), described throttle part comprises electric expansion valve (6) and capillary (11), and described electric expansion valve (6) is connected in parallel with capillary (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200549156U CN201066217Y (en) | 2007-07-27 | 2007-07-27 | Novel heat pump system with bidirectional liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200549156U CN201066217Y (en) | 2007-07-27 | 2007-07-27 | Novel heat pump system with bidirectional liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066217Y true CN201066217Y (en) | 2008-05-28 |
Family
ID=39483401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200549156U Expired - Lifetime CN201066217Y (en) | 2007-07-27 | 2007-07-27 | Novel heat pump system with bidirectional liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066217Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563971A (en) * | 2012-03-19 | 2012-07-11 | 北京德能恒信科技有限公司 | Refrigeration device |
| CN103398518A (en) * | 2011-05-06 | 2013-11-20 | 荣国华 | Liquid accumulator |
| CN106052218A (en) * | 2016-08-04 | 2016-10-26 | 唐玉敏 | Monofunctional throttling heat utilization system |
| CN106568317A (en) * | 2016-11-01 | 2017-04-19 | 浙江豪瓦特节能科技有限公司 | Belt-type temperature-variable type grain heat pump drying device |
| CN108139086A (en) * | 2015-10-20 | 2018-06-08 | 三星电子株式会社 | Air-conditioning and the method for controlling air-conditioning |
| CN109916105A (en) * | 2019-04-23 | 2019-06-21 | 郑州云宇新能源技术有限公司 | Refrigeration, heating, hot water tri-generation system |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2007
- 2007-07-27 CN CNU2007200549156U patent/CN201066217Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398518A (en) * | 2011-05-06 | 2013-11-20 | 荣国华 | Liquid accumulator |
| CN103398518B (en) * | 2011-05-06 | 2016-07-06 | 荣国华 | Reservoir |
| CN102563971A (en) * | 2012-03-19 | 2012-07-11 | 北京德能恒信科技有限公司 | Refrigeration device |
| CN108139086A (en) * | 2015-10-20 | 2018-06-08 | 三星电子株式会社 | Air-conditioning and the method for controlling air-conditioning |
| CN108139086B (en) * | 2015-10-20 | 2022-04-12 | 三星电子株式会社 | Air conditioner and method of controlling the same |
| CN106052218A (en) * | 2016-08-04 | 2016-10-26 | 唐玉敏 | Monofunctional throttling heat utilization system |
| CN106568317A (en) * | 2016-11-01 | 2017-04-19 | 浙江豪瓦特节能科技有限公司 | Belt-type temperature-variable type grain heat pump drying device |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN109916105A (en) * | 2019-04-23 | 2019-06-21 | 郑州云宇新能源技术有限公司 | Refrigeration, heating, hot water tri-generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |
|
| CX01 | Expiry of patent term |