CN100455954C - Fluid mixing device of liquid storage tank for heat pump - Google Patents
Fluid mixing device of liquid storage tank for heat pump Download PDFInfo
- Publication number
- CN100455954C CN100455954C CNB2004100199153A CN200410019915A CN100455954C CN 100455954 C CN100455954 C CN 100455954C CN B2004100199153 A CNB2004100199153 A CN B2004100199153A CN 200410019915 A CN200410019915 A CN 200410019915A CN 100455954 C CN100455954 C CN 100455954C
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- liquid storage
- refrigerant
- storage tank
- cylinder shell
- heat pump
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Abstract
The present invention discloses a fluid mixing device of a liquid storage tank for a heat pump, which is composed of a refrigerant casing, a connection pipe, a valve, a heating method for heating refrigerant inside the refrigerant casing and a control part, wherein a containing space is formed inside the refrigerant casing; one end of the connection pipe is communicated with the refrigerant casing, and the other end is connected to a casing of a liquid storage tank; the refrigerant casing and the casing of the liquid storage tank can be communicated with each other; the valve is used for opening and closing the connection pipe. Under the conditions that the outside air temperature is below the set temperature and the suspension time of the operation of a compressor 11 exceeds the set time, the valve can be controlled to open at the time of driving the compressor by the control part to enable the refrigerant inside the refrigerant casing to flow inside the casing of the liquid storage tank through the connection pipe, and fluid which is separated in a layer mode inside the casing of the liquid storage tank can be mixed thereby. When the fluid is separated in a layer mode inside the casing of the liquid storage tank, the fluid can be mixed, and the phenomenon that insufficient oil is supplied to the compressor due to the layer separation can be prevented from occurring. The problems of the reinforcement of plate friction and / or the forced thermalization due to insufficient compressor oil and the decrease of the compressive performance can be avoided.
Description
Technical field
The present invention relates to a kind of heat pump fluid reservoir, particularly relate to a kind of inner fluid that forms separating layer of Liquid Storage Cylinder Shell that mixes, avoid separating the heat pump fluid mixing device of liquid storage tank of the fuel feeding deficiency that produces owing to the layer of fluid.
Background technology
Fig. 1 is that the freeze cycle of existing heat pump constitutes schematic diagram.As shown in the figure, heat pump includes: the compressor 11 of compression refrigerant; Be configured in the cross valve 13 of the spue end and the conversion refrigerant flow of compressor 11; Be connected respectively with cross valve 13, and carry out the 1st heat exchanger 15 and the 2nd heat exchanger 17 of the heat exchange of refrigerant in inside separately; Be arranged on the expansion gear 19 that between the 1st heat exchanger 15 and the 2nd heat exchanger 17 refrigerant is carried out puffing.
Be respectively arranged with and promote the blowing fan 16,18 of refrigerant heat exchange by quickening flowing of air in a side of the 1st heat exchanger 15 and a side of the 2nd heat exchanger 17, the suction side of compressor is connected with fluid reservoir 21, thereby can suppress the inflow of liquid coolant.
Fig. 2 is the sectional schematic diagram of the fluid reservoir among Fig. 1.As shown in the figure, fluid reservoir 21 includes: the inner Liquid Storage Cylinder Shell 23 that forms the refrigerant receiving space; One end and being connected that compressor 11 is connected, the other end insert the inside of Liquid Storage Cylinder Shell 23, make the refrigerant of Liquid Storage Cylinder Shell 23 inside can be by its refrigerant effuser 25 that is sucked by compressor 11; Flow into the refrigerant inflow pipe 27 of refrigerant to the inside of Liquid Storage Cylinder Shell 23.
The effuser 25 that inserts Liquid Storage Cylinder Shell 23 inside is the structures that are similar to " U " shape shape, is formed with the oil that the makes Liquid Storage Cylinder Shell 23 inside oily recovery holes 26 to compressor 11 reduction on the bottom of its " U " shape structure.
Externally under the state that gas temperature is low, need pass through the regular hour that (for example the extraneous gas temperature is subzero the running intermission of compressor 11, the running intermission of compressor 11 is a few hours) situation under, the layering of fluid will take place in the inside of Liquid Storage Cylinder Shell 23, thereby that pile up at the periphery of oily recovery holes 26 will be the many fluid layer 24a of refrigerant composition that contain the big relatively liquid condition of proportion, contain the many fluid layer 24b of the relatively little oily composition of proportion and be positioned at the centre, the many fluid layer 24c of refrigerant composition that contain the little gaseous state of proportion then are positioned at top.
For so existing heat pump for fluid reservoir, the means that do not possess the fluid layer mixing that will separate, thereby externally gas temperature is low, compressor 11 runnings are ended through under the state of certain hour, when need restart compressor 11, contain the periphery that the more fluid layer 24a of liquid coolant is positioned at oily recovery holes 26, the fluid layer 24b that contains Chuck Steak is positioned at the position that keeps at a certain distance away from oily recovery holes 26, thereby compressor 11 can not suck oil to inside, take place thus because shortage of oil strengthens the sheet friction and/or the person forces thermalization, and the problem of reduction compression performance occurs.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and can mix the inner fluid that forms layer separation of liquid storage ladle bowl, thereby can prevent to separate the heat pump fluid mixing device of liquid storage tank to the compressor oil-supplying deficiency that produces owing to the layer of fluid.
The technical solution adopted in the present invention is: a kind of heat pump fluid mixing device of liquid storage tank includes: the inner refrigerant housing that forms receiving space; One end is connected on the Liquid Storage Cylinder Shell with being connected that the refrigerant housing is interconnected, the other end, the tube connector that refrigerant housing and Liquid Storage Cylinder Shell are interconnected; Open and close the valve of tube connector; And externally gas temperature is below the design temperature, and the running intermission of compressor 11 surpasses under the situation of setting-up time, during the drive compression machine, the controllable valve door is opened, make the refrigerant of refrigerant enclosure interior flow into the inside of Liquid Storage Cylinder Shell, thereby the inner layer control part that the fluid that separates mixes that form of Liquid Storage Cylinder Shell constituted by tube connector.Also include the heater means of heating refrigerant enclosure interior refrigerant.
Described refrigerant housing is the outside that is arranged at Liquid Storage Cylinder Shell.Described heater means is the electric heater that twines the refrigerant hull outside.
Described refrigerant housing preferably is contained in the inside of Liquid Storage Cylinder Shell.
A part of pipeline section of the tube connector that refrigerant housing and Liquid Storage Cylinder Shell be interconnected is stretched out to the outside of Liquid Storage Cylinder Shell, and valve is arranged on stretching out on the pipeline section of tube connector.
Control part in the running of compressor 11 is at the end closed to the most effective for cutting off the tube connector by-pass valve control.
Heat pump fluid mixing device of liquid storage tank of the present invention is to make it possess the inner refrigerant housing that forms receiving space; One end and being connected that the refrigerant housing is interconnected, the other end are the tube connectors that the inside with Liquid Storage Cylinder Shell is interconnected; Open and close the valve of tube connector; And externally gas temperature is below the uniform temperature, and the running intermission of compressor surpasses under the situation of certain hour, by-pass valve control is opened tube connector and is made the control part of the refrigerant of refrigerant enclosure interior to the internal spray of Liquid Storage Cylinder Shell, when thereby the inside that is provided at Liquid Storage Cylinder Shell forms the layer separation of fluid, can fluid-mixing, prevent owing to layer separates the phenomenon appearance that produces to the compressor oil-supplying deficiency.Avoided that compressor oil is not enough to strengthen the sheet friction and/or the person forces thermalization because of producing, and the problem of reduction compression performance occurred.
Description of drawings
Fig. 1 is that the freeze cycle of existing heat pump constitutes schematic diagram;
Fig. 2 is the sectional schematic diagram of the fluid reservoir among Fig. 1;
Fig. 3 is the heat pump of an one embodiment of the invention fluid mixing device of liquid storage tank schematic diagram;
Fig. 4 is the controlling party block diagram of the heat pump of Fig. 3 with fluid mixing device of liquid storage tank;
Fig. 5 is the heat pump of an another embodiment of the present invention fluid mixing device of liquid storage tank schematic diagram.
Wherein:
11: compressor 23: Liquid Storage Cylinder Shell
25: effuser 26: oily recovery holes
27: inflow pipe 33,53: refrigerant housing
35,55: tube connector 36: electric heater
37: valve 39: control part
41: timer 43: the extraneous gas temperature sensor
The specific embodiment
Below, the present invention will be described in detail in conjunction with the accompanying drawings.
Fig. 3 is the heat pump of an one embodiment of the invention fluid mixing device of liquid storage tank schematic diagram; Fig. 4 is the controlling party block diagram of the heat pump of Fig. 3 with fluid mixing device of liquid storage tank.In the present embodiment, for aforementioned prior art institute diagrammatic sketch in identical part use identical symbol.As shown in the figure, heat pump comprises with fluid mixing device of liquid storage tank: be arranged at a side of Liquid Storage Cylinder Shell 23, the refrigerant housing 33 of refrigerant is accommodated in its inside; One end and being connected that refrigerant housing 33 is interconnected, the tube connector 35 that the other end inserts the inside of Liquid Storage Cylinder Shell 23 and refrigerant housing 33 and Liquid Storage Cylinder Shell 23 inside are interconnected; Open and close the valve 37 of tube connector; Externally gas temperature is below the uniform temperature, and the running intermission of compressor 11 surpasses under the situation of certain hour, when compressor 11 restarted, the refrigerant that the valve 37 on the control connection pipe 35 makes refrigerant housing 33 inside was to the control part 39 of Liquid Storage Cylinder Shell 23 internal spray and constitute.
The outside of refrigerant housing 33 is wound with electric heater 36, be used to heat its inner refrigerant, make the internal spray of the refrigerant of HTHP to Liquid Storage Cylinder Shell 23, tube connector 35 is the bottoms of inserting Liquid Storage Cylinder Shell 23, thereby makes the refrigerant of refrigerant housing 33 inside include the area spray of the liquid coolant of the more bottom of refrigerant to Liquid Storage Cylinder Shell 23.
Above-mentioned formation, when compressor 11 restarts, time that the compressor 11 that control part 39 affirmations are calculated by timer 41 is ended and the extraneous gas temperature of confirming detection, and the time and the temperature conditions of fluid layer separation in Liquid Storage Cylinder Shell 23 inside by extraneous gas temperature sensor 43.For example: external temperature is subzero, and the intermission of compressor 11 surpasses under 5 hours the situation, and control part 39 controls are introduced power supply to electrical heating gas 36, and the refrigerant of refrigerant housing 33 inside can be heated.
When introducing power supply on the electric heater 36, the temperature and pressure of the refrigerant of the inside of refrigerant housing 33 will rise, and at this moment, control part 39 by-pass valve controls 37 are opened and made tube connector 35 conductings.Along with the conducting of tube connector 35, the refrigerant that temperature and pressure has risen is by the internal spray of tube connector 35 to Liquid Storage Cylinder Shell 23, thereby mixes with the Liquid Storage Cylinder Shell 23 inner layer separated refrigerant that form.Along with relative temperature and the high refrigerant of pressure flow in the fluid of Liquid Storage Cylinder Shell 23 inside, the liquid coolant evaporation is and mobile to the upper area of Liquid Storage Cylinder Shell 23 inside, and the fluid that heavy relatively oil content is many then flows to the bottom of Liquid Storage Cylinder Shell 23.
During compressor 11 running beginning, the refrigerant of the gaseous state by effuser 25 Liquid Storage Cylinder Shell 23 internal upper parts flows out by effuser 25, and when entering compressor 11, oil flows out by oily recovery holes 26 and enters compressor 11.
Fig. 5 is the heat pump of an another embodiment of the present invention fluid mixing device of liquid storage tank schematic diagram.In the present embodiment, for aforementioned institute diagrammatic sketch in identical part use identical symbol.As shown in the figure, this heat pump comprises with fluid mixing device of liquid storage tank: be arranged at a side of Liquid Storage Cylinder Shell 23 inside, and the refrigerant housing 53 of refrigerant is accommodated in its inside; One end and being connected that refrigerant housing 53 is interconnected, the other end insert the tube connector 55 of the bottom of Liquid Storage Cylinder Shell 23 through the outside of Liquid Storage Cylinder Shell 23; Be arranged on the pipeline section of the outside that is positioned at Liquid Storage Cylinder Shell 23 of tube connector 55, be used to open and close the valve 37 of tube connector 55; By-pass valve control 37 opens and closes the control part 39 of tube connector 55 and constitutes.
The heat pump of present embodiment can also be arranged on the central interior position of Liquid Storage Cylinder Shell 23 with fluid mixing device of liquid storage tank, include: the inner refrigerant housing 53 that forms the receiving space of refrigerant, and the inside of refrigerant housing 53 is provided with the electric heater 56 that can heat its inner refrigerant and have the double pipe heater shape.
One side of refrigerant housing 53 is connected with an end of the tube connector 55 that the part pipeline section inserts to the lower area of Liquid Storage Cylinder Shell 23 again after stretch out the outside of Liquid Storage Cylinder Shell 23, and the pipeline section that stretches out of tube connector 55 is provided with valve 37.
Externally temperature is below the uniform temperature, the intermission of its compressor 11 is through under the situation of certain hour, when control part 39 begins in the startup of compressor 11, signal based on timer 41 and 43 outputs of extraneous gas temperature sensor, if judge when the internal flow of Liquid Storage Cylinder Shell 23 is layer separation, introduce power supplys for electric heater 56, and by-pass valve control 37 is opened and is made tube connector 55 conductings.
During tube connector 55 conductings, the refrigerant that flows into Liquid Storage Cylinder Shell 23 inside from tube connector 55 is the refrigerant of the HTHP of refrigerant housing 53 inside, thereby the layer of having eliminated Liquid Storage Cylinder Shell 23 internal flows separates, suck oil by oily recovery holes 26 reposefully to the inside of compressor 11, thereby suppress to produce the phenomenon of shortage of oil.
Claims (8)
1. a heat pump fluid mixing device of liquid storage tank includes: the inner refrigerant housing that forms receiving space; One end is connected on the Liquid Storage Cylinder Shell (23) with being connected that refrigerant housing (33) is interconnected, the other end, the tube connector that refrigerant housing (33) and Liquid Storage Cylinder Shell (23) are interconnected; Open and close the valve (37) of tube connector; It is characterized in that, also being provided with externally, gas temperature is below the design temperature, and the running intermission of compressor (11) surpasses under the situation of setting-up time, during drive compression machine (11), controllable valve door (37) is opened, make the refrigerant of refrigerant enclosure interior flow into the inside of Liquid Storage Cylinder Shell (23), thereby Liquid Storage Cylinder Shell (23) inside is formed layer control part (39) that the fluid that separates mixes by tube connector.
2. heat pump fluid mixing device of liquid storage tank according to claim 1 is characterized in that, also includes the heater means of the inner refrigerant of heating refrigerant housing (33).
3. heat pump fluid mixing device of liquid storage tank according to claim 1 is characterized in that, described refrigerant housing (33) is the outside that is arranged at Liquid Storage Cylinder Shell (23).
4. heat pump fluid mixing device of liquid storage tank according to claim 2 is characterized in that, described heater means is to twine the outside electric heater (36) of refrigerant housing (33).
5. heat pump fluid mixing device of liquid storage tank according to claim 1 is characterized in that, described refrigerant housing (53) is the inside that is contained in Liquid Storage Cylinder Shell (23).
6. heat pump fluid mixing device of liquid storage tank according to claim 2 is characterized in that, described heater means is can heating its inner refrigerant and being with the electric heater (56) of sleeve pipe of being provided with in the inside of refrigerant housing (53).
7. heat pump fluid mixing device of liquid storage tank according to claim 5, it is characterized in that, the part pipeline section of the tube connector (55) that refrigerant housing (53) and Liquid Storage Cylinder Shell (23) be interconnected is stretched out to the outside of Liquid Storage Cylinder Shell (23), and valve (37) is arranged on stretching out on the pipeline section of tube connector (55).
8. according to any described heat pump fluid mixing device of liquid storage tank of claim 1 to 7, it is characterized in that control part (39) in the running of compressor (11) is at the end closed for cutting off tube connector by-pass valve control (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199153A CN100455954C (en) | 2004-07-08 | 2004-07-08 | Fluid mixing device of liquid storage tank for heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199153A CN100455954C (en) | 2004-07-08 | 2004-07-08 | Fluid mixing device of liquid storage tank for heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719161A CN1719161A (en) | 2006-01-11 |
| CN100455954C true CN100455954C (en) | 2009-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100199153A Expired - Fee Related CN100455954C (en) | 2004-07-08 | 2004-07-08 | Fluid mixing device of liquid storage tank for heat pump |
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| Country | Link |
|---|---|
| CN (1) | CN100455954C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369899A (en) * | 2016-11-21 | 2017-02-01 | 珠海格力电器股份有限公司 | Gas-liquid separator and refrigerating system thereof |
| CN111306855B (en) * | 2020-02-26 | 2021-01-08 | 珠海格力电器股份有限公司 | Refrigerant heating control method and device for improving stability and air conditioning equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757696A (en) * | 1987-06-17 | 1988-07-19 | Tecumseh Products Company | Suction accumulator having slide valve |
| US5007247A (en) * | 1988-09-30 | 1991-04-16 | Danfoss A/S | Refrigeration or heat pump installation |
| CN1112226A (en) * | 1994-04-19 | 1995-11-22 | 大宇电子株式会社 | Accumulator for use in a refrigerator |
| JPH098817A (en) * | 1995-06-23 | 1997-01-10 | Fujitsu Ltd | Atm communication system |
| CN1181464A (en) * | 1996-11-06 | 1998-05-13 | 三菱电机株式会社 | Accumulator |
| JPH11264616A (en) * | 1998-03-18 | 1999-09-28 | Sanyo Electric Co Ltd | Refrigerant buffer device of refrigeration cycle |
| JP2001280761A (en) * | 2000-03-31 | 2001-10-10 | Sanyo Electric Co Ltd | Refrigerant gas recovering system |
| CN1373845A (en) * | 1999-09-08 | 2002-10-09 | 格拉默器材有限公司 | Refrigerator with cyclone liquid gas separator |
| CN2591530Y (en) * | 2002-12-12 | 2003-12-10 | 伊铁华 | Combined multifunction oil-gas separator |
| CN1480697A (en) * | 1997-03-04 | 2004-03-10 | �����ػ��������豸����˾ | Separator of refrigeratcing system |
-
2004
- 2004-07-08 CN CNB2004100199153A patent/CN100455954C/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757696A (en) * | 1987-06-17 | 1988-07-19 | Tecumseh Products Company | Suction accumulator having slide valve |
| US5007247A (en) * | 1988-09-30 | 1991-04-16 | Danfoss A/S | Refrigeration or heat pump installation |
| CN1112226A (en) * | 1994-04-19 | 1995-11-22 | 大宇电子株式会社 | Accumulator for use in a refrigerator |
| JPH098817A (en) * | 1995-06-23 | 1997-01-10 | Fujitsu Ltd | Atm communication system |
| CN1181464A (en) * | 1996-11-06 | 1998-05-13 | 三菱电机株式会社 | Accumulator |
| CN1480697A (en) * | 1997-03-04 | 2004-03-10 | �����ػ��������豸����˾ | Separator of refrigeratcing system |
| JPH11264616A (en) * | 1998-03-18 | 1999-09-28 | Sanyo Electric Co Ltd | Refrigerant buffer device of refrigeration cycle |
| CN1373845A (en) * | 1999-09-08 | 2002-10-09 | 格拉默器材有限公司 | Refrigerator with cyclone liquid gas separator |
| JP2001280761A (en) * | 2000-03-31 | 2001-10-10 | Sanyo Electric Co Ltd | Refrigerant gas recovering system |
| CN2591530Y (en) * | 2002-12-12 | 2003-12-10 | 伊铁华 | Combined multifunction oil-gas separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1719161A (en) | 2006-01-11 |
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Granted publication date: 20090128 Termination date: 20110708 |