CN102345945A - Flash evaporator and heat pump system employing same - Google Patents
Flash evaporator and heat pump system employing same Download PDFInfo
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- CN102345945A CN102345945A CN2010102455272A CN201010245527A CN102345945A CN 102345945 A CN102345945 A CN 102345945A CN 2010102455272 A CN2010102455272 A CN 2010102455272A CN 201010245527 A CN201010245527 A CN 201010245527A CN 102345945 A CN102345945 A CN 102345945A
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Abstract
The invention discloses a flash evaporator and a heat pump system employing the same. The flash evaporator comprises a shell, a first liquid vent, a second liquid vent and an air vent, wherein a flash evaporating cavity is formed in the shell; a middle clapboard is arranged in the shell and divides the bottom of the flash evaporating cavity into two lateral cavities; the two lateral cavities on the bottom of the flash evaporating cavity are communicated with the outside through the first liquid vent and the second liquid vent; and the upper part of the flash evaporating cavity is communicated with the outside through the air vent. By the invention, a heating mode and a refrigerating mode can be more convenient to switch, the complexity of the system is reduced, and the reliability of the system is improved.
Description
Technical field
The invention belongs to art of heat pumps, be specifically related to a kind of flash vessel and adopt the heat pump of this flash vessel.
Background technology
In the exploitation of heat pump, how to improve Energy Efficiency Ratio, thereby the energy-conservation purpose that realizes heat pump is an important topic.Present two stages of compression enthalpy increasing heat pump system has broken through the design concept of traditional air-conditioning, and the mode that increases enthalpy through tonifying Qi is improved the Energy Efficiency Ratio of heat pump; In addition; Air-cooled heat pump unit has obtained using widely in non-heating areas such as China middle and lower reach of Yangtze River, south China, still as a kind of energy-conservation heating mode; In the winter of cold; When especially outdoor temperature was lower than-5 ℃, the heating performance of heat pump had very big decline, can't satisfy the requirement of heating; Simultaneously; The reliability of heat pump also can reduce, and the heat pump that the band two-stage increases enthalpy then can improve the heating capacity under the cryogenic conditions, thereby improves heat pump runnability under cryogenic conditions.
In existing two stages of compression enthalpy increasing heat pump system; Flash vessel is a key position; And existing flash vessel structure can only realize flowing of a kind of direction; In the exploitation of two stages of compression heat pump; Need could realize that traditional flash vessel is freezing and heating two kinds of uses under the method for operation through the switching of pipeline; Certainly will increase the complexity of system like this, also can reduce the reliability of system.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of flash vessel be provided and adopt the heat pump of this flash vessel, the present invention can be more easily to heating and refrigeration mode is changed, reduced the complexity of system, improved the reliability of system.
Its technical scheme is following:
A kind of flash vessel; Comprise housing; Be the flash distillation chamber in the housing; In housing, be provided with median septum; This median septum is divided into two side chambeies with the bottom in flash distillation chamber; Also include first fluid-through port, second fluid-through port and blow vent, two side chambeies of bottom, flash distillation chamber communicate with the external world through first fluid-through port, second fluid-through port respectively, and top, flash distillation chamber communicates with the external world through blow vent.
A kind of heat pump; Comprise compressor, cross valve, first heat exchanger, second heat exchanger, first throttle element, second restricting element and flash vessel; It is characterized in that; Be the flash distillation chamber in the housing of flash vessel; In housing, be provided with median septum; This median septum is divided into two side chambeies with the bottom in flash distillation chamber, also includes first fluid-through port, second fluid-through port and blow vent; The high-pressure side of compressor, low-pressure end are communicated with wherein two ports of cross valve through two first tube connectors respectively; First side of first heat exchanger, second heat exchanger is communicated with two ports in addition of cross valve through two second tube connectors respectively; Second side of first heat exchanger, second heat exchanger is communicated with first fluid-through port, second fluid-through port through two the 3rd tube connectors respectively; First throttle element, second restricting element are located at respectively on two the 3rd tube connectors, and blow vent is communicated with the gas supplementing opening of compressor through blowdown pipe.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
Said median septum extends up to the stage casing of housing from the middle part of housing bottom.
The height of first fluid-through port, second fluid-through port is lower than the height of said median septum upper end.
Said first fluid-through port, second fluid-through port are positioned at the bottom of said housing.
Two side chambeies of bottom, said flash distillation chamber are with respect to said median septum symmetry, and said first fluid-through port, second fluid-through port are also with respect to said median septum symmetry.
On said first fluid-through port, second fluid-through port and blow vent, be connected with first fluid-through tube, second fluid-through tube and breather pipe respectively, the mouth of pipe of said first fluid-through tube, second fluid-through tube and said first fluid-through port, the second fluid-through port connection is positioned at said housing bottom.
On said blowdown pipe, be provided with the liquid visor.
On said blowdown pipe, be provided with check valve or magnetic valve.
In sum, advantage of the present invention is:
1, the heat pump system has two operating modes: In the cooling mode, the refrigerant heat exchanger under the action of the compressor, the four-way valve into the first heat exchanger (i.e. condenser), and the flow through the first throttle element The throttle is a throttle, a heat exchanger after throttling the working fluid through the first fluid through the mouth into the flasher, flashing upper chamber constantly working fluid heat exchanger flash hair, flashing hair gaseous conversion Thermal mass flow through the top vent compressor qi end, the lower the flash chamber working fluid heat exchanger after the temperature decreases, the formation of supercooled liquid refrigerant heat exchanger, supercooled liquid working fluid through the heat exchanger The second liquid into the mouth through the second flow element, the second flow throttling device into the second heat exchanger (i.e. evaporator), and finally back into the compressor through the four-way valve; in heating mode, for thermal mass under the action of the compressor, the four-way valve into the second heat exchanger (ie, condenser), and by the second flow element throttle, the throttle as a throttle, a throttle after heat the working fluid through the second fluid through the mouth into the flasher, flashing upper chamber constantly working fluid heat exchanger flash hair, flashing hair gaseous working fluid through the heat vent on top of the qi flows into the compressor side, flash chamber lower working fluid heat exchanger after the temperature decreases, the formation of supercooled liquid refrigerant heat exchanger, heat exchanger supercooled liquid refrigerant through the first through the mouth into the first fluid flow components, the first after throttling flow component into the first heat exchanger (ie evaporator), and finally flows back to the compressor through the four-way valve; system through the two compression enthalpy, improved heat pump system performance.
2, the housing of flash vessel forms the housing of a sealing; In the course of the work; The feed tube of the saturated mixed liquor after the one-level throttling and drain pipe (i.e. first fluid-through tube, second fluid-through tube) all are positioned at the bottom, owing between two pipes, be provided with median septum, guarantee the mobile mutually noninterfere of two pipes; After adopting this flash vessel, structure that can the effective simplification heat pump improves the reliability of heat pump, and helps the oil return of system.
Description of drawings
Fig. 1 is the structure chart of the said heat pump of the embodiment of the invention;
Fig. 2 is the structure chart of the flash vessel that adopted of the said heat pump of present embodiment;
Description of reference numerals:
1, housing, 2, the flash distillation chamber, 3, median septum, 4, first fluid-through port; 5, second fluid-through port, 6, blow vent, 7, first fluid-through tube, 8, second fluid-through tube; 9, breather pipe, 10, compressor, 11, cross valve, 12, first heat exchanger; 13, second heat exchanger, 14, the first throttle element, 15, second restricting element, 16, flash vessel; 17, first tube connector, 18, second tube connector, the 19, the 3rd tube connector, 20, blowdown pipe; 21, liquid visor, 22, check valve, 23, magnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated:
Like Fig. 1, shown in Figure 2; A kind of heat pump; Comprise compressor 10, cross valve 11, first heat exchanger 12, second heat exchanger 13, first throttle element 14, second restricting element 15 and flash vessel 16; Be flash distillation chamber 2 in the housing 1 of flash vessel 16; In housing 1, be provided with median septum 3; This median septum 3 is divided into two side chambeies with the bottom in flash distillation chamber 2, also includes first fluid-through port 4, second fluid-through port 5 and blow vent 6; The high-pressure side of compressor 10; Low-pressure end is communicated with wherein two ports of cross valve 11 through two first tube connectors 17 respectively; First heat exchanger 12; First side of second heat exchanger 13 is communicated with two ports in addition of cross valve 11 through two second tube connectors 18 respectively; First heat exchanger 12; Second side of second heat exchanger 13 is respectively through two the 3rd tube connectors 19 and first fluid-through port 4; Second fluid-through port 5 is communicated with; First throttle element 14; Second restricting element 15 is located at respectively on two the 3rd tube connectors 19, and blow vent 6 is communicated with the gas supplementing opening of compressor 10 through blowdown pipe 20.
Wherein, median septum 3 extends up to the stage casing of housing 1 from the middle part of housing 1 bottom, and the height of first fluid-through port 4, second fluid-through port 5 is lower than the height of median septum 3 upper ends, and first fluid-through port 4, second fluid-through port 5 are positioned at the bottom of housing 1; Two side chambeies of 2 bottoms, flash distillation chamber are with respect to median septum 3 symmetries, and first fluid-through port 4, second fluid-through port 5 are also with respect to median septum 3 symmetries; The mouth of pipe that on first fluid-through port 4, second fluid-through port 5 and blow vent 6, is connected with first fluid-through tube 7, second fluid-through tube 8 and breather pipe 9, the first fluid-through tubes 7, second fluid-through tube 8 and first fluid-through port 4, second fluid-through port, 5 connections respectively is positioned at housing 1 bottom.On blowdown pipe 20, be provided with liquid visor 21, check valve 22 and magnetic valve 23.
The advantage of present embodiment is:
1, the heat pump system has two operating modes: In the cooling mode, the refrigerant heat exchanger under the action of the compressor 10, the four-way valve 11 into the first heat exchanger 12 (i.e., the condenser), and the flow through the first throttling element 14, the throttle as a throttle, a heat exchanger after throttling the working fluid through the fluid through the first port 4 into the flash evaporator 16, the upper part of the flash chamber 2 constantly working fluid heat exchanger flash hair, flashes to gaseous refrigerant heat exchanger through the top vent hole 10 to the compressor 6 qi end, the lower part of the flash chamber 2 dissipates heat exchanger refrigerant temperature is reduced, the formation of supercooled liquid refrigerant heat exchanger , supercooled liquid refrigerant through the second heat exchanger through the liquid inlet 5 into the second flow element 15, the second flow throttling element 15 into the second heat exchanger 13 (ie, the evaporator), and finally through four back into the compressor 10 through the valve 11; in heating mode, the refrigerant heat exchanger under the action of the compressor 10, the four-way valve 11 into the second heat exchanger 13 (i.e., the condenser), and by the second stream throttling element 15, the throttle as a throttle, a heat exchanger after throttling the working fluid through the fluid through the second port 5 into the flash evaporator 16, the upper part of the flash chamber 2 constantly working fluid heat exchanger flash hair, flashes to gaseous refrigerant heat exchanger through the top vent hole 10 to the compressor 6 qi end, the lower part of the flash chamber 2 dissipates heat exchanger refrigerant temperature is reduced, the formation of supercooled liquid refrigerant heat exchanger , cold heat transfer liquid through the liquid refrigerant through the first port 4 into the first flow element 14, the first flow throttling element 14 into the first heat exchanger 12 (or evaporator), and finally through the four flow back into the compressor 10 through the valve 11; system through the two-stage compression enthalpy, the heat pump system to improve performance.
2, the housing of a sealing of housing 1 formation of flash vessel 16; In the course of the work; The feed tube of the saturated mixed liquor after the one-level throttling and drain pipe (i.e. first fluid-through tube 7, second fluid-through tube 8) all are positioned at the bottom, owing between two pipes, be provided with median septum 3, guarantee the mobile mutually noninterferes of two pipes; After adopting this flash vessel 16, structure that can the effective simplification heat pump improves the reliability of heat pump, and helps the oil return of system.
Be specific embodiment of the present invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement on the basis of not violating the present invention's design, done all belong to protection scope of the present invention.
Claims (14)
1. flash vessel; It is characterized in that; Comprise housing; Be the flash distillation chamber in the housing; In housing, be provided with median septum, this median septum is divided into two side chambeies with the bottom in flash distillation chamber, also includes first fluid-through port, second fluid-through port and blow vent; Two side chambeies of bottom, flash distillation chamber communicate with the external world through first fluid-through port, second fluid-through port respectively, and top, flash distillation chamber communicates with the external world through blow vent.
2. flash vessel according to claim 1 is characterized in that said median septum extends up to the stage casing of housing from the middle part of housing bottom.
3. like flash vessel as described in the claim 2, it is characterized in that the height of first fluid-through port, second fluid-through port is lower than the height of said median septum upper end.
4. like flash vessel as described in the claim 3, it is characterized in that said first fluid-through port, second fluid-through port are positioned at the bottom of said housing.
Like claim 1-4 arbitrary as described in flash vessel, it is characterized in that two side chambeies of bottom, said flash distillation chamber are with respect to said median septum symmetry, said first fluid-through port, second fluid-through port are also with respect to said median septum symmetry.
6. like flash vessel as described in the claim 5; It is characterized in that; On said first fluid-through port, second fluid-through port and blow vent, be connected with first fluid-through tube, second fluid-through tube and breather pipe respectively, the mouth of pipe of said first fluid-through tube, second fluid-through tube and said first fluid-through port, the second fluid-through port connection is positioned at said housing bottom.
7. heat pump; Comprise compressor, cross valve, first heat exchanger, second heat exchanger, first throttle element, second restricting element and flash vessel; It is characterized in that; Be the flash distillation chamber in the housing of flash vessel; In housing, be provided with median septum; This median septum is divided into two side chambeies with the bottom in flash distillation chamber, also includes first fluid-through port, second fluid-through port and blow vent; The high-pressure side of compressor, low-pressure end are communicated with wherein two ports of cross valve through two first tube connectors respectively; First side of first heat exchanger, second heat exchanger is communicated with two ports in addition of cross valve through two second tube connectors respectively; Second side of first heat exchanger, second heat exchanger is communicated with first fluid-through port, second fluid-through port through two the 3rd tube connectors respectively; First throttle element, second restricting element are located at respectively on two the 3rd tube connectors, and blow vent is communicated with the gas supplementing opening of compressor through blowdown pipe.
8. like heat pump as described in the claim 7, it is characterized in that said median septum extends up to the stage casing of housing from the middle part of housing bottom.
9. like heat pump as described in the claim 8, it is characterized in that the height of first fluid-through port, second fluid-through port is lower than the height of said median septum upper end, said blow vent is higher than the height of said median septum upper end.
10. like heat pump as described in the claim 9, it is characterized in that said first fluid-through port, second fluid-through port are positioned at the bottom of said housing, said blow vent is positioned at the top of said housing.
11., it is characterized in that two side chambeies of bottom, said flash distillation chamber are with respect to said median septum symmetry like heat pump as described in the claim 7, said first fluid-through port, second fluid-through port are also with respect to said median septum symmetry.
12. like heat pump as described in the claim 11; It is characterized in that; On said first fluid-through port, second fluid-through port and blow vent, be connected with first fluid-through tube, second fluid-through tube and breather pipe respectively, the mouth of pipe of said first fluid-through tube, second fluid-through tube and said first fluid-through port, the second fluid-through port connection is positioned at said housing bottom.
13. like heat pump as described in each among the claim 7-11, it is characterized in that, on said blowdown pipe, be provided with the liquid visor.
14. like heat pump as described in each in the claim 7 to 11, it is characterized in that, on said blowdown pipe, be provided with check valve or magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102455272A CN102345945A (en) | 2010-08-04 | 2010-08-04 | Flash evaporator and heat pump system employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102455272A CN102345945A (en) | 2010-08-04 | 2010-08-04 | Flash evaporator and heat pump system employing same |
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| Publication Number | Publication Date |
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| CN102345945A true CN102345945A (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102455272A Pending CN102345945A (en) | 2010-08-04 | 2010-08-04 | Flash evaporator and heat pump system employing same |
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| CN (1) | CN102345945A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538273A (en) * | 2012-02-10 | 2012-07-04 | 海信（山东）空调有限公司 | Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner |
| CN103256761A (en) * | 2013-05-17 | 2013-08-21 | 山东格瑞德集团有限公司 | Horizontal flash tank for centrifugal unit |
| CN103604256A (en) * | 2013-11-15 | 2014-02-26 | 广东美芝精密制造有限公司 | Flash evaporator and refrigerating system with same |
| CN104344610A (en) * | 2013-08-01 | 2015-02-11 | 珠海格力电器股份有限公司 | Air conditioning unit |
| CN105091430A (en) * | 2015-09-15 | 2015-11-25 | 珠海格力电器股份有限公司 | Flash evaporator and air conditioner system with same |
| CN108072190A (en) * | 2017-12-26 | 2018-05-25 | 珠海格力电器股份有限公司 | Air-conditioning system and with its air conditioner |
| CN114413530A (en) * | 2021-12-14 | 2022-04-29 | 珠海格力电器股份有限公司 | Liquid impact prevention flash evaporator device, air conditioner comprising same and liquid impact prevention control method |
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| JP2002031438A (en) * | 2000-07-19 | 2002-01-31 | Hitachi Ltd | Air conditioner and manufacturing method therefor |
| WO2007109250A2 (en) * | 2006-03-20 | 2007-09-27 | Emerson Climate Technologies, Inc. | Flash tank design and control for heat pumps |
| CN101324391A (en) * | 2008-07-23 | 2008-12-17 | 无锡同方人工环境有限公司 | Flash evaporator for quasi two stage circulation bidirectional air compensation |
| CN101358783A (en) * | 2008-07-23 | 2009-02-04 | 无锡同方人工环境有限公司 | Heat pump sets for bidirectional air supply by flash evaporator |
| CN201876021U (en) * | 2010-08-04 | 2011-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Flash evaporator and heat pump system employing the same |
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2010
- 2010-08-04 CN CN2010102455272A patent/CN102345945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002031438A (en) * | 2000-07-19 | 2002-01-31 | Hitachi Ltd | Air conditioner and manufacturing method therefor |
| WO2007109250A2 (en) * | 2006-03-20 | 2007-09-27 | Emerson Climate Technologies, Inc. | Flash tank design and control for heat pumps |
| CN101324391A (en) * | 2008-07-23 | 2008-12-17 | 无锡同方人工环境有限公司 | Flash evaporator for quasi two stage circulation bidirectional air compensation |
| CN101358783A (en) * | 2008-07-23 | 2009-02-04 | 无锡同方人工环境有限公司 | Heat pump sets for bidirectional air supply by flash evaporator |
| CN201876021U (en) * | 2010-08-04 | 2011-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Flash evaporator and heat pump system employing the same |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538273A (en) * | 2012-02-10 | 2012-07-04 | 海信（山东）空调有限公司 | Vapor-injected air-conditioning system, vapor-injected air-conditioning control method and air-conditioner |
| CN103256761A (en) * | 2013-05-17 | 2013-08-21 | 山东格瑞德集团有限公司 | Horizontal flash tank for centrifugal unit |
| CN104344610A (en) * | 2013-08-01 | 2015-02-11 | 珠海格力电器股份有限公司 | Air conditioning unit |
| CN104344610B (en) * | 2013-08-01 | 2016-08-24 | 珠海格力电器股份有限公司 | Air-conditioner set |
| CN103604256A (en) * | 2013-11-15 | 2014-02-26 | 广东美芝精密制造有限公司 | Flash evaporator and refrigerating system with same |
| CN105091430A (en) * | 2015-09-15 | 2015-11-25 | 珠海格力电器股份有限公司 | Flash evaporator and air conditioner system with same |
| CN105091430B (en) * | 2015-09-15 | 2018-03-09 | 珠海格力电器股份有限公司 | A kind of flash vessel and the air-conditioning system with the flash vessel |
| CN108072190A (en) * | 2017-12-26 | 2018-05-25 | 珠海格力电器股份有限公司 | Air-conditioning system and with its air conditioner |
| CN114413530A (en) * | 2021-12-14 | 2022-04-29 | 珠海格力电器股份有限公司 | Liquid impact prevention flash evaporator device, air conditioner comprising same and liquid impact prevention control method |
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Application publication date: 20120208 |