CN201819486U - Adjustable injector and heat pump air conditioner system therewith - Google Patents
Adjustable injector and heat pump air conditioner system therewith Download PDFInfo
- Publication number
- CN201819486U CN201819486U CN2010201782126U CN201020178212U CN201819486U CN 201819486 U CN201819486 U CN 201819486U CN 2010201782126 U CN2010201782126 U CN 2010201782126U CN 201020178212 U CN201020178212 U CN 201020178212U CN 201819486 U CN201819486 U CN 201819486U
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- Prior art keywords
- injector
- chamber
- control valve
- adjustable
- jet blower
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Abstract
The utility model discloses an adjustable injector and a heat pump air conditioner system therewith.The injector comprises an injector body equipped with a spray nozzle, a main liquid inlet, an inlet of injection liquid and a liquid outlet.The inlet of injection liquid communicates with the liquid outlet and the main liquid inlet communicates with the liquid outlet by the spray nozzle.The core space of the spray nozzle consists of a conical cavity positioned at the front end thereof and a cylindrical cavity positioned at the rear end thereof.The core space of the spray nozzle is equipped with a regulating valve.The front end of the regulating valve is equipped with a regulating needle inserting into the conical cavity and the rear end thereof is equipped with insertion blind holes.The regulating valve is in threaded connection with the core space of the spray nozzle.According to the technical solution of the present utility model, the flow of the refrigerant is adjusted and the cooling effect of air conditioners is improved.The optimal flow of the refrigerant is selected according to different working conditions, thereby improving the applicability of air conditioners.The injector of the utility model is simple in structure.
Description
Technical field
The utility model belongs to art of heat pumps, is specifically related to a kind of adjustable injector and adopts 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 purpose of this utility model 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 utility model can be realized 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 described in the utility model 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, the utility model has the advantages that: can regulate the flow of main fluid by rotating control valve,, make air-conditioner operate in optimum condition, and improve the adaptability of air-conditioner so that air-conditioner satisfies different operating modes; 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 the utility model embodiment 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 embodiment of the present utility model is 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.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
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 |
|---|---|---|---|
| CN2010201782126U CN201819486U (en) | 2010-04-26 | 2010-04-26 | Adjustable injector and heat pump air conditioner system therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201782126U CN201819486U (en) | 2010-04-26 | 2010-04-26 | Adjustable injector and heat pump air conditioner system therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819486U true CN201819486U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201782126U Expired - Lifetime CN201819486U (en) | 2010-04-26 | 2010-04-26 | Adjustable injector and heat pump air conditioner system therewith |
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| Country | Link |
|---|---|
| CN (1) | CN201819486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235782A (en) * | 2010-04-26 | 2011-11-09 | 珠海格力电器股份有限公司 | Adjustable ejector and heat pump air conditioner system adopting same |
| CN106918169A (en) * | 2017-04-13 | 2017-07-04 | 广东美的智美科技有限公司 | Fluid treating device and refrigeration system |
| WO2019033914A1 (en) * | 2017-08-18 | 2019-02-21 | 美的集团股份有限公司 | Fluid treatment device and temperature regulation apparatus |
-
2010
- 2010-04-26 CN CN2010201782126U patent/CN201819486U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235782A (en) * | 2010-04-26 | 2011-11-09 | 珠海格力电器股份有限公司 | Adjustable ejector and heat pump air conditioner system adopting same |
| CN102235782B (en) * | 2010-04-26 | 2013-11-13 | 珠海格力电器股份有限公司 | Adjustable ejector and heat pump air conditioner system adopting same |
| CN106918169A (en) * | 2017-04-13 | 2017-07-04 | 广东美的智美科技有限公司 | Fluid treating device and refrigeration system |
| CN106918169B (en) * | 2017-04-13 | 2019-10-08 | 广东美的白色家电技术创新中心有限公司 | Fluid treating device and refrigeration system |
| WO2019033914A1 (en) * | 2017-08-18 | 2019-02-21 | 美的集团股份有限公司 | Fluid treatment device and temperature regulation apparatus |
| US11168929B2 (en) | 2017-08-18 | 2021-11-09 | Midea Group Co., Ltd. | Fluid treatment device and temperature regulation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110504 Effective date of abandoning: 20131113 |
|
| RGAV | Abandon patent right to avoid regrant |