CN201440018U - Flash evaporator and enthalpy spraying system adopting same - Google Patents
Flash evaporator and enthalpy spraying system adopting same Download PDFInfo
- Publication number
- CN201440018U CN201440018U CN2009201789048U CN200920178904U CN201440018U CN 201440018 U CN201440018 U CN 201440018U CN 2009201789048 U CN2009201789048 U CN 2009201789048U CN 200920178904 U CN200920178904 U CN 200920178904U CN 201440018 U CN201440018 U CN 201440018U
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- flash vessel
- ball float
- conduit
- import
- playpipe
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Abstract
The utility model provides an automatic flash vessel of control liquid level, include: refrigerant inlet, refrigerant outlet, injection pipe import, flash vessel still includes: the conduit is arranged in the flash evaporator and is communicated with the inlet of the injection pipe; the floating ball is arranged in the guide pipe, the guide pipe is provided with a space suitable for the floating ball to float up and down, and the floating ball is provided with a structure suitable for sealing the inlet of the injection pipe. The embodiment of the utility model provides an in, still provide a spout enthalpy system, it includes compressor, indoor or hot water side heat exchanger, outdoor side heat exchanger, preceding flash vessel.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of flash vessel and adopt the spray enthalpy system of this device.
Background technology
Air source heat pump is from being born, and just the characteristics because of its high-efficient energy-saving environment friendly enjoy market to pay close attention to.But there are not enough and two the significant bottleneck problems of poor reliability of heating capacity in traditional air source hot pump water heater under low temperature environment, make the application area of China's Teat pump boiler only limit to the middle and lower reach of Yangtze River, southwest, South China, and the Huanghe valley, North China, the Northwest can't normally use Teat pump boiler or heating capacity decay serious winter.At present, the method for improving heat pump low temperature ability decay has: and accurate secondary compression cycle is jet/and hydrojet increases the enthalpy method; Band flash vessel series connection control.
If the spray enthalpy adopts the mode of flash vessel, the intermediate-pressure gas after obtaining to evaporate is ejected into compressor intermediate pressure part again.For flash vessel, generally be the device of similar gas-liquid separation, traditional scheme is by degree of superheat feedback signal, opens or close jet by adjusting electric expansion valve or magnetic valve then, to prevent the situation that band liquid sprays.
The inventor finds that there are the following problems at least in the prior art: the situation with the liquid injection appears in existing flash vessel easily.There is the problem in the more control simultaneously, at first be can't in time feed back whether to be with liquid, the degree of superheat can't effectively be controlled the liquid level of intermediate flash device besides, regulates instability and precision, when error occurring, go wrong easily for different operating modes and temperature-sensitive bag signal.
The utility model content
The utility model aims to provide a kind of flash vessel of automatic control liquid level, can solve existing flash vessel and occur the problem of spraying with liquid easily, simplifies control program simultaneously, and structure is simpler.
In embodiment of the present utility model, a kind of flash vessel of automatic control liquid level is provided, comprising: refrigerant inlet, refrigerant outlet, playpipe import, flash vessel also comprises: conduit is arranged in the flash vessel and with the playpipe import and is communicated with; Ball float is arranged in the conduit, and conduit has the space that suitable ball float fluctuates, and ball float has the suitable structure that closes the playpipe import.
Preferably, be evenly equipped with the refrigerant via hole of the effect of playing gas balance on the conduit side, to prevent that ball float is with the gas coolant play that makes progress.
Preferably, the playpipe import, with conduit be that integral structure and playpipe import are arranged on conduit top, the space between the diapire of conduit bottom and flash vessel is less than the diameter of ball float.
Preferably, be provided with top board with holes in the conduit, top board with holes is arranged on playpipe import below, and ball float is arranged on top board with holes below, also is provided with the bottom of which has holes locating part in the conduit, and the bottom of which has holes locating part is arranged on the ball float below, breaks away from conduit to prevent ball float.
Preferably, the bottom of which has holes locating part is a drilled base plate.
Preferably, ball float is hollow or solid Metal Ball, or hollow or solid baton round.
In embodiment of the present utility model, a kind of spray enthalpy system also is provided, it comprises compressor, indoor or hot water side heat exchanger, outdoor heat exchanger, foregoing flash vessel; Flash vessel is connected with compressor respectively, is connected by first electric expansion valve with indoor or hot water side heat exchanger, is connected by second electric expansion valve with outdoor heat exchanger; Spray enthalpy system has cancelled the flash vessel import temperature-sensitive bag that is arranged between first electric expansion valve and the flash vessel, has cancelled the enthalpy pipe that increases that is arranged between compressor and the flash vessel and has exported the temperature-sensitive bag.
Because flash vessel adopts the ball float that is arranged in the conduit, conduit has the space that suitable ball float fluctuates, and gaseous coolant via hole, and ball float has the suitable structure that closes the playpipe import, thereby, when the liquid coolant in the flash vessel reaches the highest, ball float can rise with liquid level finally can close the playpipe import, at this moment, though system's refrigerant has reached peak, because the ball float position has been withstood the playpipe import, the spraying cycle loop is cut off automatically, stop to spray enthalpy, the situation that band liquid sprays occurs so can prevent flash vessel, and then can control the liquid level of flash vessel automatically.In addition, adopt the spray enthalpy system of this flash vessel can reduce flash vessel import temperature-sensitive bag, increase enthalpy pipe outlet temperature-sensitive bag, cancelled the expansion valve that prevents hydrojet between compressor and the flash vessel, reduced the control element of system, simplify the structure, provide cost savings.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown existing spray enthalpy system architecture;
Fig. 2 has schematically shown the spray enthalpy system architecture according to the utility model embodiment;
Fig. 3 has schematically shown the structure according to the flash vessel of the utility model first embodiment;
Fig. 4 has schematically shown the structure according to the flash vessel of the utility model second embodiment.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 3 and Fig. 4 have schematically shown the structure according to the flash vessel of two embodiment of the utility model.As shown in the figure, in embodiment of the present utility model, a kind of flash vessel 5 of automatic control liquid level is provided, it comprises: refrigerant inlet 51, refrigerant outlet 53, playpipe import 55, playpipe import 55 has jet (not illustrating separately among the figure) usually, so that the ejection of the refrigerant gas in the flash vessel 5.Flash vessel 5 also comprises: conduit 57 is arranged in the flash vessel and with the playpipe import and is communicated with; Ball float 58 is arranged in the conduit 57, and conduit 57 has the space that suitable ball float fluctuates, and ball float 58 has the suitable structure that closes playpipe import 55.
By ball float 58, can close playpipe import 55, thereby when the liquid coolant in the flash vessel reaches the highest, ball float can rise and finally can close the playpipe import, at this moment, though system's refrigerant has reached peak, but because the ball float position has been withstood playpipe import 55 or has been sealed playpipe import 55 by withstanding top board 54 with holes, the spraying cycle loop is cut off automatically, stops to spray enthalpy, the situation that band liquid sprays occurs so can prevent flash vessel.In case and liquid level reduces in the flash vessel, ball float promptly can descend, and the playpipe import is opened.By the motion of ball float, play flash vessel and spray and the automatic control of closing.
Preferably, as shown in Figure 3, playpipe import 55 is arranged on conduit 57 tops with conduit 57 for integral structure and playpipe import 55.Like this, be convenient to make.Conduit 57 can be provided with longlyer, so that its bottom is nearer apart from the diapire (not illustrating separately among the figure) of flash vessel 5, the space between the diapire of conduit 57 bottoms and flash vessel 5 is less than the diameter of ball float 58, and ball float 58 can't come out from conduit 57.Like this, need not to be provided with bottom of which has holes locating part 56 miscellaneous parts such as grade and just ball float 58 can be limited in the conduit 57, thereby prevent that ball float 58 breaks away from conduit 57, thereby simplified the structure of conduit 57, saved operation, reduced cost.
Preferably, as shown in Figure 4, be provided with top board 54 with holes in the conduit 57, top board 54 with holes is arranged on playpipe import 55 belows, and ball float 58 is arranged on top board with holes 54 belows and is used to close top board 54 with holes.Like this, ball float 58 just can close playpipe import 55 by closing top board 54 with holes.In order to solve the stability problem that the ball float bob brings, conduit can design shorter, makes that the stroke of ball float is the shortest, and when promptly liquid level rose near peak, just refrigerant enters in the conduit, ball float floated than short distance, can close the playpipe import on top.
Preferably, as shown in Figure 4, also be provided with bottom of which has holes locating part 56 in the conduit 57, bottom of which has holes locating part 56 is arranged on ball float 58 belows, breaks away from conduit 57 to prevent ball float.The bottom of which has holes locating part can be drilled base plate, also can be parts such as filter screen.
Preferably, be evenly equipped with the refrigerant via hole on the conduit side.The refrigerant via hole can play the effect of gas balance, preventing ball float with the gas coolant play that makes progress, and guarantees that ball float only is moving at refrigerant liquid buoyancy float downward.
Preferably, ball float is hollow or solid Metal Ball, or hollow or solid baton round, floats in the refrigerant of flash vessel guaranteeing.
Flash vessel groundwork process according to the utility model embodiment is: when refrigerant liquid carries out gas-liquid separation in flash vessel 5, the ball float 58 that is placed in the conduit 57 can and raise along with the liquid level rising, when not reaching the highest liquid level, refrigerant gas can be directly jet by top enter into compressor 3, to improve the internal circulating load of cold-producing medium, in case the liquid in the flash vessel reaches the highest, ball float 58 can rise to and withstand top board 54 with holes, hole on the top board 54 with holes is designed to circle, so that contact with ball float.At this moment, though system's refrigerant has reached peak, because the ball float position has been withstood top board 54 with holes, the spraying cycle loop is cut off automatically, stops to spray enthalpy.When liquid level descended, ball float descended, and jet can be opened again automatically, and ball float no longer seals jet, and this moment, spraying cycle was opened again.
As shown in Figure 2, in embodiment of the present utility model, also provide a kind of spray enthalpy system, it comprises compressor 3, indoor or hot water side heat exchanger 6, outdoor heat exchanger 4, foregoing flash vessel 5; Flash vessel 5 is connected with compressor 3 respectively, is connected by first electric expansion valve 1 with indoor or hot water side heat exchanger 6, is connected by second electric expansion valve 2 with outdoor heat exchanger 4; Spray enthalpy system has cancelled the flash vessel import temperature-sensitive bag that is arranged between first electric expansion valve and the flash vessel, has cancelled the enthalpy pipe that increases that is arranged between compressor and the flash vessel and has exported the temperature-sensitive bag, has cancelled the expansion valve that prevents hydrojet between compressor and the flash vessel.And existing spray enthalpy system, as shown in Figure 1, but has the flash vessel import temperature-sensitive bag 9 that is arranged between first electric expansion valve 1 and the flash vessel 5 and be arranged on and increase enthalpy pipe outlet temperature-sensitive bag 7 and control element 8 (for expansion valve or magnetic valve) between compressor 3 and the flash vessel 5.
Reduced the control element of system according to spray enthalpy of the present utility model system, simplified the structure, provided cost savings.In addition, control program can be simplified greatly, need not magnetic valve or electric expansion valve is controlled.
Adopt the spray enthalpy system of the utility model flash vessel, can be applied in air-conditioner and the Teat pump boiler, but be not limited in air-conditioner and the Teat pump boiler.
Have according to the utility model and spray the air-conditioner of enthalpy system or the control element that Teat pump boiler has reduced system, simplify the structure, provide cost savings.In addition, control program can be simplified greatly, need not magnetic valve or electric expansion valve is controlled.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. flash vessel comprises: refrigerant inlet, refrigerant outlet, playpipe import,
It is characterized in that described flash vessel also comprises:
Conduit is arranged in the described flash vessel and with described playpipe import and is communicated with;
Ball float is arranged in the described conduit,
Described conduit has the space that suitable described ball float fluctuates, and described ball float has the suitable structure that closes described playpipe import.
2. flash vessel according to claim 1 is characterized in that,
Be evenly equipped with the refrigerant via hole of the effect of playing gas balance on the described conduit side, to prevent that ball float is with the gas coolant play that makes progress.
3. flash vessel according to claim 1 is characterized in that,
Described playpipe import, with described conduit be integral structure, described playpipe import is arranged on described conduit top, the space between the diapire of described conduit bottom and flash vessel is less than the diameter of ball float.
4. flash vessel according to claim 1 is characterized in that,
Be provided with top board with holes in the described conduit, described top board with holes is arranged on described playpipe import below, described ball float is arranged on described top board with holes below, also be provided with the bottom of which has holes locating part in the described conduit, described bottom of which has holes locating part is arranged on described ball float below, breaks away from described conduit to prevent described ball float.
5. flash vessel according to claim 4 is characterized in that,
Described bottom of which has holes locating part is a drilled base plate.
6. flash vessel according to claim 1 is characterized in that,
Described ball float is hollow or solid Metal Ball, or hollow or solid baton round.
7. a spray enthalpy system is characterized in that,
Comprise: compressor, indoor or hot water side heat exchanger, outdoor heat exchanger, the described flash vessel of claim 1 to 6;
Described flash vessel is connected with described compressor respectively, is connected by first electric expansion valve with described indoor or hot water side heat exchanger, is connected by second electric expansion valve with described outdoor heat exchanger;
Described spray enthalpy system has cancelled the flash vessel import temperature-sensitive bag that is arranged between described first electric expansion valve and the described flash vessel, cancel the enthalpy pipe that increases that is arranged between described compressor and the described flash vessel and exported the temperature-sensitive bag, cancelled the expansion valve that prevents hydrojet between compressor and the flash vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201789048U CN201440018U (en) | 2009-09-16 | 2009-09-16 | Flash evaporator and enthalpy spraying system adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201789048U CN201440018U (en) | 2009-09-16 | 2009-09-16 | Flash evaporator and enthalpy spraying system adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440018U true CN201440018U (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201789048U Expired - Lifetime CN201440018U (en) | 2009-09-16 | 2009-09-16 | Flash evaporator and enthalpy spraying system adopting same |
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| CN (1) | CN201440018U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307815A (en) * | 2012-03-08 | 2013-09-18 | 艾默生环境优化技术(苏州)有限公司 | Flash evaporator for compressor and cooling system comprising same |
| CN103375935A (en) * | 2012-04-25 | 2013-10-30 | 珠海格力电器股份有限公司 | Two-stage compression circulation system and control method of air conditioner with same |
| CN103453700A (en) * | 2012-05-28 | 2013-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Flash evaporator and air conditioner comprising same |
| CN107782019A (en) * | 2017-10-31 | 2018-03-09 | 海信（山东）空调有限公司 | The control method of flash vessel, air-conditioner system and air-conditioner system |
| CN109882413A (en) * | 2019-04-01 | 2019-06-14 | 安徽美芝精密制造有限公司 | Rotary compressor and refrigeration system with it |
| CN111023508A (en) * | 2019-12-20 | 2020-04-17 | Tcl空调器(中山)有限公司 | Air conditioner control method, storage medium and air conditioner |
| CN111174471A (en) * | 2020-01-06 | 2020-05-19 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN112682923A (en) * | 2020-12-14 | 2021-04-20 | 珠海格力电器股份有限公司 | Combined control method for reducing exhaust temperature and preventing liquid impact, controller and air conditioner |
-
2009
- 2009-09-16 CN CN2009201789048U patent/CN201440018U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307815A (en) * | 2012-03-08 | 2013-09-18 | 艾默生环境优化技术(苏州)有限公司 | Flash evaporator for compressor and cooling system comprising same |
| CN103307815B (en) * | 2012-03-08 | 2015-12-30 | 艾默生环境优化技术(苏州)有限公司 | Flash evaporator for compressor and cooling system comprising same |
| CN103375935A (en) * | 2012-04-25 | 2013-10-30 | 珠海格力电器股份有限公司 | Two-stage compression circulation system and control method of air conditioner with same |
| CN103375935B (en) * | 2012-04-25 | 2016-03-23 | 珠海格力电器股份有限公司 | Two-stage compression circulation system and control method of air conditioner with same |
| CN103453700A (en) * | 2012-05-28 | 2013-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Flash evaporator and air conditioner comprising same |
| CN103453700B (en) * | 2012-05-28 | 2015-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Flash evaporator and air conditioner comprising same |
| CN107782019A (en) * | 2017-10-31 | 2018-03-09 | 海信（山东）空调有限公司 | The control method of flash vessel, air-conditioner system and air-conditioner system |
| CN107782019B (en) * | 2017-10-31 | 2020-03-13 | 海信（山东）空调有限公司 | Air conditioner system and control method thereof |
| CN109882413A (en) * | 2019-04-01 | 2019-06-14 | 安徽美芝精密制造有限公司 | Rotary compressor and refrigeration system with it |
| CN109882413B (en) * | 2019-04-01 | 2021-06-08 | 安徽美芝精密制造有限公司 | Rotary compressor and refrigerating system with same |
| CN111023508A (en) * | 2019-12-20 | 2020-04-17 | Tcl空调器(中山)有限公司 | Air conditioner control method, storage medium and air conditioner |
| CN111174471A (en) * | 2020-01-06 | 2020-05-19 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN112682923A (en) * | 2020-12-14 | 2021-04-20 | 珠海格力电器股份有限公司 | Combined control method for reducing exhaust temperature and preventing liquid impact, controller and air conditioner |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |