CN102235782A - Adjustable ejector and heat pump air conditioner system adopting same - Google Patents
Adjustable ejector and heat pump air conditioner system adopting same Download PDFInfo
- Publication number
- CN102235782A CN102235782A CN2010101616440A CN201010161644A CN102235782A CN 102235782 A CN102235782 A CN 102235782A CN 2010101616440 A CN2010101616440 A CN 2010101616440A CN 201010161644 A CN201010161644 A CN 201010161644A CN 102235782 A CN102235782 A CN 102235782A
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- Prior art keywords
- injector
- chamber
- control valve
- adjustable
- jet blower
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- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract 3
- 230000002950 deficient Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The invention discloses an adjustable ejector and a heat pump air conditioner system adopting the ejector, wherein the ejector comprises an ejector main body, the ejector main body is provided with an ejection nozzle, a main fluid inlet, an ejection fluid inlet and a fluid outlet, the ejection fluid inlet is communicated with the fluid outlet, and the main fluid inlet is communicated with the fluid outlet through the ejection nozzle; the inner cavity of the spray nozzle comprises a conical cavity located at the front end and a cylindrical tail cavity located at the rear end, an adjusting valve is arranged in the inner cavity of the spray nozzle, the front end of the adjusting valve is an adjusting needle extending into the conical cavity, an inserting blind hole is formed in the end portion of the rear end of the adjusting valve, and the adjusting valve is in threaded connection with the inner cavity of the spray nozzle. The invention can realize the adjustment of the refrigerant flow, improve the refrigeration effect of the air conditioner, select the optimal refrigerant flow according to different working conditions, improve the applicability of the air conditioner and have simple structure of the ejector.
Description
Technical field
The invention belongs to art of heat pumps, be specifically related to a kind of adjustable injector and adopt the heat pump air conditioner system of this injector.
Background technology
Along with the development of society, people more and more pay close attention to the energy and environmental problem.On the other hand, there are restriction loss in the throttling arrangement such as capillary, the electric expansion valve etc. that adopt in the tradition kind of refrigeration cycle, reclaim throttling merit method at present and mainly comprise decompressor and two kinds of methods of injector, decompressor cost height and poor reliability, Comparatively speaking, the injector that cost simple in structure is low has more practical value.But the flow of existing injector is non-adjustable, is difficult to satisfy the required best refrigerant flow change condition of different operating modes, has influence on the effect of air-conditioner, and its applicability also is affected.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of adjustable injector is provided and adopts the heat pump air conditioner system of this injector, the present invention can realize the adjusting to refrigerant flow, improve the refrigeration of air-conditioner, can select best refrigerant flow according to different operating modes, improved the applicability of air-conditioner, and emitter construction is simple.
Its technical scheme is as follows:
A kind of adjustable injector comprises injector body, is provided with jet blower, primary fluid inlet, driving fluid import and fluid issuing on injector body, and the driving fluid import communicates with fluid issuing, and primary fluid inlet communicates with fluid issuing by described jet blower; The inner chamber of described jet blower comprises the cone-shaped cavity that is positioned at front end and is positioned at the cylindricality tail chamber of rear end, inner chamber at described jet blower is provided with control valve, the front end of control valve is the metering needle that stretches into described cone-shaped cavity, the end, rear end of control valve is provided with the insertion blind hole, and described control valve is connected with described jet blower thread in inner cavity.
In use, adjusting rod can be stretched into and insert in the region between the heart and the diaphragm hole, rotary regulating lever can be adjusted the distance between metering needle and the jet blower, and then the flow of adjusting main fluid, so that air-conditioner satisfies different operating modes, make air-conditioner operate in optimum condition, and improve the adaptability of air-conditioner; On the other hand, control valve of the present invention simple in structure, moving component is few, and is easy to operate.
Described metering needle front end is taper, forward more end, and its diameter is more little.Rotating regulation valve, under the effect of screw thread, metering needle can move forwards or backwards, and then regulates the size of jet blower flow.
The inner surface in described cylindricality tail chamber is made up of inner threaded surface and shiny surface, and inner threaded surface is positioned at the end in described cylindricality tail chamber.
Be provided with annular groove at described control valve middle part, be placed with sealing ring in annular groove, the sealing circle closely contacts with the shiny surface in described cylindricality tail chamber.
In cylindricality tail chamber, also be provided with thimble, thimble and cylindricality tail chamber threaded engagement and be positioned at the rear end of control valve.Withstand on the rear end of control valve by thimble, alleviated main fluid to the impact that control valve caused, avoided metering needle vibration and the phenomenon of flowed fluctuation occurs, on the other hand, thimble also plays the effect of flame-arrester vent plug, avoids control valve to be gone out by high-pressure fluid and causes danger.
Also be provided with insertion the region between the heart and the diaphragm hole in the end, rear end of described thimble.
Described injector body comprises case of sprayer and nozzle body, the case of sprayer rear end is located in described driving fluid import, form mixing chamber in case of sprayer, the front end of mixing chamber is the diffusion chamber, forms induction chamber between mixing chamber and described driving fluid import; Described jet blower is located at the front end of nozzle body, and described primary fluid inlet is located on the nozzle body, forms main fluid chamber between primary fluid inlet and jet blower.
Be threaded between described case of sprayer and the nozzle body.Can also regulate the relative position between case of sprayer and the nozzle body, avoid designing unreasonable and performance of refrigerant systems deterioration defective that bring.
Described insertion the region between the heart and the diaphragm hole is the hexagonal screw.
The invention also discloses a kind of heat pump air conditioner system, comprise evaporimeter, condenser, throttling arrangement, compressor, gas-liquid separator and injector, described injector is foregoing adjustable injector, first end of condenser links to each other with the high-pressure mouth of compressor, second end of condenser and the primary fluid inlet of injector link to each other, first end of evaporimeter and the driving fluid import of injector link to each other, second end of evaporimeter links to each other with gas-liquid separator by throttling arrangement, the fluid issuing of injector links to each other with the inlet of described gas-liquid separator, and the exhaust outlet of gas-liquid separator links to each other with the low-pressure end of compressor.The high pressure liquid refrigerant that comes out from condenser enters injector, through the jet blower acceleration and pressure decrease, the gaseous refrigerant of evaporator outlet enters into the driving fluid import, entered the diffusion chamber after injection and the main fluid refrigerant mixed, gas partly enters compressor after entering gas-liquid separator after pressure improves, discharging refrigerant after condenser condenses as the main fluid of injector, the liquid refrigerant of gas-liquid separator outlet enters throttling arrangement, the two phase refrigerant of outlet after evaporator evaporation as driving fluid.
In sum, advantage of the present invention is: can regulate the flow of main fluid by rotating control valve, so that air-conditioner satisfies different operating modes, make air-conditioner operate in optimum condition, and improve the adaptability of air-conditioner; And control valve is simple in structure, and moving component is few, easy to operate.
Description of drawings
Fig. 1 is the structure chart of the described heat pump air conditioner of embodiment of the invention system;
Fig. 2 is among Fig. 1, the structure chart of described injector;
Fig. 3 is the structure chart of thimble;
Fig. 4 is the structure chart of control valve;
Fig. 5 is the structure chart of nozzle body;
Fig. 6 is the structure chart of case of sprayer;
Description of reference numerals:
1, primary fluid inlet, 2, the driving fluid import, 3, fluid issuing, 4, jet blower, 5, tail chamber, 6, control valve, 7, metering needle, 8, insert the region between the heart and the diaphragm hole, 9, thimble, 10, case of sprayer, 11, nozzle body, 12, mixing chamber, 13, diffusion chamber, 14, main fluid chamber, 15, annular groove, 16, sealing ring, 17, injector, 18, condenser, 19, evaporimeter, 20, gas-liquid separator, 21, compressor, 22, throttling arrangement, 23, induction chamber.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated:
Extremely shown in Figure 6 as Fig. 1, a kind of heat pump air conditioner system, comprise evaporimeter 19, condenser 18, throttling arrangement 22, compressor 21, gas-liquid separator 20 and injector 17, described injector 17 is an adjustable injector, first end of condenser 18 links to each other with the high-pressure mouth of compressor 21, second end of condenser 18 links to each other with the primary fluid inlet 1 of injector 17, first end of evaporimeter 19 links to each other with the driving fluid import 2 of injector 17, second end of evaporimeter 19 links to each other with gas-liquid separator 20 by throttling arrangement 22, the fluid issuing 3 of injector 17 links to each other with the inlet of gas-liquid separator 20, and the exhaust outlet of gas-liquid separator 20 links to each other with the low-pressure end of compressor 21.
Wherein, aforementioned injector 17 comprises injector body, be provided with jet blower 4, primary fluid inlet 1, driving fluid import 2 and fluid issuing 3 on injector body, driving fluid import 2 communicates with fluid issuing 3, and primary fluid inlet 1 communicates with fluid issuing 3 by described jet blower 4; The inner chamber of described jet blower 4 comprises the cone-shaped cavity that is positioned at front end and is positioned at the cylindricality tail chamber 5 of rear end, inner chamber at described jet blower 4 is provided with control valve 6, the front end of control valve 6 is the metering needle 7 that stretches into described cone-shaped cavity, the end, rear end of control valve 6 is provided with inserts blind hole (i.e. six side's screws), and described control valve 6 is connected with described jet blower 4 thread in inner cavity.
Described metering needle 7 front ends are taper, forward more end, and its diameter is more little.The inner surface in described cylindricality tail chamber 5 is made up of inner threaded surface and shiny surface, and inner threaded surface is positioned at the end in described cylindricality tail chamber 5.Be provided with annular groove 15 at described control valve 6 middle parts, be placed with sealing ring 16 in annular groove 15, sealing circle 16 closely contacts with the shiny surface in described cylindricality tail chamber 5.
In cylindricality tail chamber 5, also be provided with thimble 9, thimble 9 and cylindricality tail chamber 5 threaded engagement and be positioned at the rear end of control valve 6.Also be provided with insertion the region between the heart and the diaphragm hole 8 in the end, rear end of described thimble 9.
Described injector body comprises case of sprayer 10 and nozzle body 11, case of sprayer 10 rear ends are located in described driving fluid import 2, in case of sprayer 10, form mixing chamber 12, the front end of mixing chamber 12 is diffusion chamber 13, forms induction chamber 23 between mixing chamber 12 and described driving fluid import 2; Described jet blower 4 is located at the front end of nozzle body 11, and described primary fluid inlet 1 is located on the nozzle body 11, forms main fluid chamber 14 between primary fluid inlet 1 and jet blower 4; State between case of sprayer 10 and the nozzle body 11 and be threaded.
The high pressure liquid refrigerant that comes out from condenser 18 enters injector 17, through jet blower 4 continuous acceleration and pressure decrease, form supersonic speed low pressure two-phase fluid, its pressure is lower than the gaseous refrigerant that comes out from evaporimeter 19, so the gaseous refrigerant of evaporimeter 19 outlets enters into driving fluid import 2, entered diffusion chamber 13 after injection and the main fluid refrigerant mixed, pressure is improved, gas partly enters compressor 21 after entering gas-liquid separator 20, the high-temperature high-pressure refrigerant of discharging after condenser 18 condensations as the main fluid of injector 17, the liquid refrigerant of gas-liquid separator 20 outlets enters throttling arrangement 22, the two phase refrigerant of outlet after evaporimeter 19 evaporation as driving fluid, thereby finished whole kind of refrigeration cycle.
In use, adjusting rod can be stretched into and insert in the region between the heart and the diaphragm hole 8, rotary regulating lever can be adjusted the distance between metering needle 7 and the jet blower 4, and then the flow of adjusting main fluid, so that air-conditioner satisfies different operating modes, make air-conditioner operate in optimum condition, and improve the adaptability of air-conditioner; On the other hand, the described control valve 6 of present embodiment simple in structure, moving component is few, and is easy to operate.Can also regulate the relative position between case of sprayer 10 and the nozzle body 11, avoid designing unreasonable and performance of refrigerant systems deterioration defective that bring.
Be specific embodiments of the invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.
Claims (10)
1. adjustable injector, comprise injector body, be provided with jet blower, primary fluid inlet, driving fluid import and fluid issuing on injector body, the driving fluid import communicates with fluid issuing, and primary fluid inlet communicates with fluid issuing by described jet blower;
It is characterized in that, the inner chamber of described jet blower comprises the cone-shaped cavity that is positioned at front end and is positioned at the cylindricality tail chamber of rear end, inner chamber at described jet blower is provided with control valve, the front end of control valve is the metering needle that stretches into described cone-shaped cavity, the end, rear end of control valve is provided with the insertion blind hole, and described control valve is connected with described jet blower thread in inner cavity.
2. adjustable injector according to claim 1 is characterized in that described metering needle front end is taper, forward more end, and its diameter is more little.
3. adjustable injector according to claim 1 is characterized in that the inner surface in described cylindricality tail chamber is made up of inner threaded surface and shiny surface, and inner threaded surface is positioned at the end in described cylindricality tail chamber.
4. as adjustable injector as described in the claim 3, it is characterized in that, be provided with annular groove at described control valve middle part, be placed with sealing ring in annular groove, the sealing circle closely contacts with the shiny surface in described cylindricality tail chamber.
5. as adjustable injector as described in the claim 3, it is characterized in that, in cylindricality tail chamber, also be provided with thimble, thimble and cylindricality tail chamber threaded engagement and be positioned at the rear end of control valve.
6. as adjustable injector as described in the claim 4, it is characterized in that, also be provided with in the end, rear end of described thimble and insert the region between the heart and the diaphragm hole.
7. as adjustable injector as described in each in the claim 1 to 6, it is characterized in that, described injector body comprises case of sprayer and nozzle body, the case of sprayer rear end is located in described driving fluid import, in case of sprayer, form mixing chamber, the front end of mixing chamber is the diffusion chamber, forms induction chamber between mixing chamber and described driving fluid import; Described jet blower is located at the front end of nozzle body, and described primary fluid inlet is located on the nozzle body, forms main fluid chamber between primary fluid inlet and jet blower.
8. as adjustable injector as described in the claim 7, it is characterized in that, be threaded between described case of sprayer and the nozzle body.
9. as adjustable injector as described in each in the claim 1 to 6, it is characterized in that described insertion the region between the heart and the diaphragm hole is the hexagonal screw.
10. heat pump air conditioner system, comprise evaporimeter, condenser, throttling arrangement, compressor, gas-liquid separator and injector, it is characterized in that, described injector is as each adjustable injector in the claim 1 to 5, first end of condenser links to each other with the high-pressure mouth of compressor, second end of condenser and the primary fluid inlet of injector link to each other, first end of evaporimeter and the driving fluid import of injector link to each other, second end of evaporimeter links to each other with gas-liquid separator by throttling arrangement, the fluid issuing of injector links to each other with the inlet of described gas-liquid separator, and the exhaust outlet of gas-liquid separator links to each other with the low-pressure end of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101616440A CN102235782B (en) | 2010-04-26 | 2010-04-26 | Adjustable ejector and heat pump air conditioner system adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101616440A CN102235782B (en) | 2010-04-26 | 2010-04-26 | Adjustable ejector and heat pump air conditioner system adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102235782A true CN102235782A (en) | 2011-11-09 |
| CN102235782B CN102235782B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101616440A Expired - Fee Related CN102235782B (en) | 2010-04-26 | 2010-04-26 | Adjustable ejector and heat pump air conditioner system adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102235782B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN103697281A (en) * | 2013-12-27 | 2014-04-02 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Throttle structure between low-pressure bleed gas pipeline and high-pressure bleed gas pipeline of gas turbine |
| CN104048449A (en) * | 2014-07-07 | 2014-09-17 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| CN104813118A (en) * | 2012-11-20 | 2015-07-29 | 株式会社电装 | Ejector |
| CN104848584A (en) * | 2015-05-06 | 2015-08-19 | 天津大学 | Combined heat pump system with solar injection and solar photovoltaic steam injection and compression |
| CN105855084A (en) * | 2016-05-16 | 2016-08-17 | 浙江大学 | Adjustable injector |
| CN106938224A (en) * | 2017-03-06 | 2017-07-11 | 西南科技大学 | A kind of variable area based on electric expansion valve compares injector |
| US10823463B2 (en) | 2015-07-03 | 2020-11-03 | Carrier Corporation | Ejector heat pump |
| CN112268324A (en) * | 2020-09-30 | 2021-01-26 | 黄建军 | Refrigerant evaporation and condensation device |
| CN114963606A (en) * | 2022-05-26 | 2022-08-30 | 辽宁飞鸿达蒸汽节能设备有限公司 | Working condition adjusting device of gas ejector and gas ejector |
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| CN2170482Y (en) * | 1993-06-15 | 1994-06-29 | 柏春光 | Combined liquid supply injector |
| US20040007013A1 (en) * | 2002-07-09 | 2004-01-15 | Hirotsugu Takeuchi | Ejector with throttle controllable nozzle and ejector cycle using the same |
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| CN1527007A (en) * | 2003-03-05 | 2004-09-08 | 株式会社电装 | Sprayer with tapered nozzle and tapered needle |
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| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN201819486U (en) * | 2010-04-26 | 2011-05-04 | 珠海格力电器股份有限公司 | Adjustable ejector and heat pump air conditioner system adopting same |
-
2010
- 2010-04-26 CN CN2010101616440A patent/CN102235782B/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| CN2170482Y (en) * | 1993-06-15 | 1994-06-29 | 柏春光 | Combined liquid supply injector |
| JP2004045021A (en) * | 2002-05-15 | 2004-02-12 | Denso Corp | Ejector system decompression device |
| US20040007013A1 (en) * | 2002-07-09 | 2004-01-15 | Hirotsugu Takeuchi | Ejector with throttle controllable nozzle and ejector cycle using the same |
| CN1527007A (en) * | 2003-03-05 | 2004-09-08 | 株式会社电装 | Sprayer with tapered nozzle and tapered needle |
| CN1657845A (en) * | 2004-02-18 | 2005-08-24 | 株式会社电装 | Ejector |
| JP2005233025A (en) * | 2004-02-18 | 2005-09-02 | Denso Corp | Ejector |
| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN201819486U (en) * | 2010-04-26 | 2011-05-04 | 珠海格力电器股份有限公司 | Adjustable ejector and heat pump air conditioner system adopting same |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN104813118B (en) * | 2012-11-20 | 2016-08-24 | 株式会社电装 | Injector |
| CN104813118A (en) * | 2012-11-20 | 2015-07-29 | 株式会社电装 | Ejector |
| CN103697281A (en) * | 2013-12-27 | 2014-04-02 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Throttle structure between low-pressure bleed gas pipeline and high-pressure bleed gas pipeline of gas turbine |
| CN104048449B (en) * | 2014-07-07 | 2017-01-18 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| CN104048449A (en) * | 2014-07-07 | 2014-09-17 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| CN104848584A (en) * | 2015-05-06 | 2015-08-19 | 天津大学 | Combined heat pump system with solar injection and solar photovoltaic steam injection and compression |
| US10914496B2 (en) | 2015-07-03 | 2021-02-09 | Carrier Corporation | Ejector heat pump |
| US10823463B2 (en) | 2015-07-03 | 2020-11-03 | Carrier Corporation | Ejector heat pump |
| CN105855084A (en) * | 2016-05-16 | 2016-08-17 | 浙江大学 | Adjustable injector |
| CN105855084B (en) * | 2016-05-16 | 2018-05-15 | 浙江大学 | Adjustable spraying apparatus |
| CN106938224A (en) * | 2017-03-06 | 2017-07-11 | 西南科技大学 | A kind of variable area based on electric expansion valve compares injector |
| CN112268324A (en) * | 2020-09-30 | 2021-01-26 | 黄建军 | Refrigerant evaporation and condensation device |
| CN114963606A (en) * | 2022-05-26 | 2022-08-30 | 辽宁飞鸿达蒸汽节能设备有限公司 | Working condition adjusting device of gas ejector and gas ejector |
| CN114963606B (en) * | 2022-05-26 | 2024-06-25 | 辽宁飞鸿达节能环保工程有限公司 | Working condition adjusting device of gas injector and gas injector |
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| CN102235782B (en) | 2013-11-13 |
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Granted publication date: 20131113 |