CN202393115U - Throttling device for air conditioner refrigerating system - Google Patents
Throttling device for air conditioner refrigerating system Download PDFInfo
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- CN202393115U CN202393115U CN 201120478014 CN201120478014U CN202393115U CN 202393115 U CN202393115 U CN 202393115U CN 201120478014 CN201120478014 CN 201120478014 CN 201120478014 U CN201120478014 U CN 201120478014U CN 202393115 U CN202393115 U CN 202393115U
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Abstract
A throttling device for an air conditioner refrigerating system is composed of a valve body, a valve seat, a big valve plug and a small valve plug. A one-way throttle valve is composed of the big valve plug, the valve seat and the valve body, and the other one-way throttle valve is composed of the small valve plug and the big valve plug. A step hole composed of a big hole and a small hole is opened along the axis of the big valve plug, and the small valve plug is installed in the big hole of the big valve plug. According to the throttling device for the air conditioner refrigerating system, two one-way throttle valves are skillfully combined to form a dual-way throttle device which is applied to the air conditioner refrigerating system, and the dual-way throttle device is capable of not only replacing main and auxiliary capillary tubes, but also reducing the air conditioner refrigeration energy consumption and increasing heating quantity.
Description
Technical field
The utility model relates to the throttling arrangement that is used for air-conditioning refrigeration system, is used for the throttling step-down of refrigerant flow process.
Background technology
Pump type heat split-type air conditioner refrigeration system mainly is made up of compressor, outdoor heat exchanger, device for drying and filtering, main capillary, assisted capillary, indoor heat exchanger, solenoid operated four-way valve, gas-liquid separator etc., realizes that through circulation and the state variation of refrigerant cold-producing mediums such as () freon in this closed system air-conditioning is to the indoor environment refrigeration or heat.
Gas coolant is compressed the steam of machine boil down to HTHP, after the selection of solenoid operated four-way valve guiding, delivers to off-premises station heat exchanger (condenser), refrigerant cooling heat release, becomes the liquid coolant (so off-premises station produce by boasting be hot blast) of normal temperature high voltage.As shown in Figure 1 then; Liquid coolant is handled through the dry filter of device for drying and filtering and is entered into main capillary 1; After main step-down throttling capillaceous, become low-temp low-pressure liquid, again through machine heat exchanger (evaporimeter) in the inlet chamber behind check valve 3 (and assisted capillary 2 is inoperative), the device for drying and filtering.Indoor set heat exchanger rear space increases suddenly, pressure reduces because refrigerant arrives from main capillary 1, and the refrigerant of liquid will evaporate, become low temperature and low pressure steam.Absorb great amount of heat in the refrigerant evaporation process, the indoor set heat exchanger will turn cold, and the fan of indoor set is blown over indoor air from the indoor set heat exchanger, is exactly cold wind so indoor set produces by boasting.And refrigerant is through behind the indoor set heat exchanger, and the gas that goes out through gas-liquid separator separates comes back to compressor, continues circulation next time.Reciprocation cycle like this, air-conditioning is realized refrigerating function.
Gas coolant is compressed the steam of machine boil down to HTHP, after the selection of solenoid operated four-way valve guiding, delivers to indoor set heat exchanger (condenser), the refrigerant cooling liquid, becomes the liquid of normal temperature high voltage.Owing to discharge great amount of heat in the cooling medium liquefaction process, the indoor set heat exchanger will heating, and the fan of indoor set is blown over indoor air from the indoor set heat exchanger, is exactly hot blast so indoor set produces by boasting.As shown in Figure 2 then; Liquid coolant is handled the assisted capillary 2 that enters into parallel connection and main capillary 1 (check valve 3 by) through the dry filter of device for drying and filtering; After main and auxiliary step-down throttling capillaceous, become low-temp low-pressure liquid, again machine heat exchanger (evaporimeter) outside the inlet chamber behind device for drying and filtering.Indoor set heat exchanger rear space increases suddenly, pressure reduces because refrigerant arrives from main and auxiliary capillary 1,2, and the refrigerant of liquid will evaporate, become low temperature and low pressure steam.Refrigerant comes back to compressor through the gas that gas-liquid separator separates goes out, and continues circulation next time.Reciprocation cycle like this, air-conditioning is realized heat-production functions.
Therefore, existing single refrigeration air-conditioner all uses a capillary, heat pump air conditioner to use two capillaries to come the throttling step-down.
In addition, air-conditioning is when heating, because capillary size fixes, air-conditioning refrigeration system pressure can only the passive variation along with the variation of outdoor environment temperature, and can not make accommodation.When this just caused outdoor temperature high, air-conditioning refrigeration system pressure was big, and power consumption is high; And outdoor temperature is when low, and air-conditioning refrigeration system pressure is low, and heating effect is relatively poor.
The utility model content
The utility model is to improve the throttling arrangement of existing air-conditioning refrigeration system, makes its throttling antihypertensive effect better, and makes that the air-conditioning heating effect is better.
For this reason, the utility model provides a kind of throttling arrangement that is used for air-conditioning refrigeration system, this throttling arrangement:
Mainly form by valve body, valve seat, big valve core, small valve core;
It is cylindric that valve body is; Valve seat is cylindric, opens a shoulder hole of being made up of macropore and aperture on the axis; Big valve core is installed in the macropore of valve seat;
Big valve core roughly is the extrusion that outline non-circular plane in cross section stretches along the big axially bored line of valve seat; The side of this extrusion is not less than the radius of the aperture of valve seat to the minimum range of valve seat macropore;
Open a shoulder hole of forming by macropore and aperture on the big valve core axis; Small valve core is installed in the macropore of big valve core;
Small valve core roughly is the extrusion that outline non-circular plane in cross section stretches along the big axially bored line of big valve core; The side of this extrusion is not less than the radius of the aperture of big valve core to the minimum range of big valve core macropore;
Valve seat macropore be provided with refrigerant can through, hinder the current big block piece of big valve core; The macropore of big valve core is provided with refrigerant can pass through, hinder the current little block piece of small valve core.
In the throttling arrangement of the utility model, big valve core and valve seat, valve body are formed an one-way throttle valve jointly.Because valve base inner wall is the face of cylinder, and big valve core roughly is the extrusion that outline non-circular plane in cross section stretches along the big axially bored line of valve seat, therefore between big valve core outer wall and valve interior wall, has the passage of liquid flow.During the circulation of liquid forward; Big valve core is pushed along the macropore axis direction in the macropore of valve seat, the gap occurs between big valve core and valve seat end face, and liquid flows into this gap through the aperture of valve seat; And get into the passage between above-mentioned valve seat and big valve core, thereby realize throttling from this gap.During the liquid reverse circulated; Big valve core is placed in an end of valve seat macropore; And because the side of extrusion is not less than the radius of the aperture of valve seat to the minimum range of valve seat macropore, thus sealing contacted between the aperture both ends of the surface of big valve core and valve seat, if big valve core does not have the words of endoporus; Liquid just can not circulate in valve, promptly realizes the forward throttling, oppositely by effect.
In the throttling arrangement of the utility model, form an one-way throttle valve between small valve core and big valve core.Because big valve core macropore inwall is the face of cylinder, and small valve core roughly is the extrusion that outline non-circular plane in cross section stretches along the big axially bored line of valve seat, therefore between small valve core outer wall and big valve core macropore inwall, has the passage of liquid flow.During the circulation of liquid forward; Small valve core is pushed along the macropore axis direction in the macropore of big valve core, the gap occurs between small valve core and big valve core end face, and liquid flows into this gap through the aperture of big valve core; And get into the passage between above-mentioned small valve core and big valve core, thereby realize throttling from this gap.During the liquid reverse circulated; Small valve core is placed in an end of big valve core macropore; And because the side of extrusion is not less than the radius of the aperture of big valve core to the minimum range of big valve core macropore; So contact sealing between the both ends of the surface of big valve core and small valve core aperture, liquid just can not circulate, promptly realize the forward throttling, oppositely by effect in valve.
In the utility model patent, on the big valve core axis, open a shoulder hole of being made up of macropore and aperture dexterously, small valve core is installed in the macropore of big valve core.Like this, the one-way throttle valve that above-mentioned small valve core and big valve core are formed, an one-way throttle valve of forming with above-mentioned big valve core and valve seat, valve body is combined in, and forms the device of a two-way throttling.
In the utility model,, therefore be used on the air-conditioning refrigeration system and can need not capillary, thereby provide cost savings owing to can realize bidirectional throttle.
In addition, in the utility model,, can realize throttling in various degree through the aperture of control valve owing to be to adopt valve version to realize throttling.This throttling arrangement can aperture be different with the difference of air-conditioning refrigeration system pressure, and the big aperture of refrigeration system pressure is big, and the air-conditioning refrigeration system flow is big, thereby has reduced refrigeration system pressure, and air-conditioning refrigeration system is played a protective role and cuts down the consumption of energy.Otherwise the little then aperture of air-conditioning refrigeration system pressure is little, and the air-conditioning refrigeration system flow is little, thereby has improved air-conditioning refrigeration system pressure, improves evaporator refrigerant temperature, plays the effect that improves heating capacity.
In the utility model, the extrusion that big valve core and small valve core adopt can be triangular prism that seamed edge is circular arc, four bank or ridge, five rib bodies etc.Because seamed edge is circular arc, when big valve core moves and the friction between the valve body macropore, and small valve core when moving and the friction between the big valve core macropore all can be able to reduce.
In the utility model, big block piece and little block piece can be net or the thin plates with circle of some apertures.Like this, refrigerant not only can pass through, and also can be filtered.Certainly, for simple in structure, easily manufactured, big block piece can be installed in the pin-and-hole that crosses the valve seat macropore, and little block piece can be installed in the pin-and-hole that crosses the big valve core macropore.
In the utility model, also can between big valve core and big block piece, spring be set, thereby avoid big valve core arbitrarily moving in the valve seat macropore, big valve core and valve base chamber produce knock in the time of also can reducing operation of air conditioner.In view of in the real life, the general refrigerating state of air-conditioning is longer running time, and the heating operation time is shorter.The utility model can be chosen as stage clip with above-mentioned spring, and stage clip is fixed on big block piece or the big valve core, contacts sealing between the both ends of the surface of the aperture of the front end of big valve core and valve seat when stage clip extends naturally.Like this, air-conditioning off-duty or be under the refrigerating state, spring are in nature elongation pattern, can prolong the life-span of spring, and increase the stability of this throttling arrangement.
In like manner, between small valve core and little block piece, also can be provided with stage clip, stage clip is fixed on little block piece or the small valve core, the aperture contact seal of the front end of small valve core and big valve core when stage clip extends naturally.
In the utility model, adopt valve version to realize throttling.During valve closing, valve seat and valve core chamber need sealing.Its sealing means has flat seal, ball face sealing and conical surface seal.Flat seal needs sealing ring, and sealing ring is required height, so part is more, pretightning force is also had relatively high expectations.The ball face sealing operability is good, and is less demanding to neutrality, but makes difficulty.The conical surface seal part is few, and it is little that pretightning force requires, and centering is functional, and is easily manufactured, flow control accuracy is high.According in the air-conditioning refrigeration system to the control requirement of cold medium flux, in the utility model, preferred class like with engine in the conical surface seal of valve and valve seating.Therefore, the front end of big valve core is preferably the conical surface, and the aperture inboard of valve seat also is preferably the conical surface, and the contact seal of big valve core and valve base chamber is conical surface seal.The front end of small valve core is preferably the conical surface, and the aperture inboard of big valve core also is preferably the conical surface, and the contact seal of small valve core and big valve core is conical surface seal.
In the utility model, as a kind of preferred, valve body and valve seat adopt hole axle interference fit, adopt the cooled with liquid nitrogen valve seat during installation.Like this, valve body and valve seat not only can not break away under the impact of refrigerant, can not reveal yet.In addition, also can be provided with groove/boss on the valve seat outer wall, also boss/groove can be set on the valve interior wall, groove/boss on the valve seat and the boss/groove on the valve body are fastened in together.Like this, can not only stablize the position relation of valve body and valve seat, also locate more easily, operate easily when installing.
Description of drawings
Further specify the utility model below in conjunction with the accompanying drawing and the specific embodiment.
Fig. 1 is the existing fundamental diagram of throttling arrangement under the air conditioner refrigerating operating mode;
Fig. 2 is the existing fundamental diagram of throttling arrangement under the air-conditioning heating condition;
Fig. 3 is the structural representation of throttling arrangement under the air-conditioning heating condition of the utility model;
Fig. 4 is a L shown in Figure 3 place enlarged drawing;
Fig. 5 is an A-A face cutaway view shown in Figure 3;
Fig. 6 is the structural representation of throttling arrangement under the air conditioner refrigerating operating mode of the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
In Fig. 3, Fig. 4, embodiment shown in Figure 5, this this throttling arrangement of throttling arrangement that is used for air-conditioning refrigeration system mainly is made up of valve body 11, valve seat 12, big valve core 14, small valve core 17.Valve body 11 and valve seat 12 employing hole axle interference fit adopt the cooled with liquid nitrogen valve seat during installation.Valve seat 12 outer walls are provided with groove 13/ boss, on valve body 11 inwalls boss/groove are set, and groove 13/ boss on the valve seat 12 and the boss/groove on the valve body 11 are fastened in together.
Valve body 11 is cylindric.Valve seat 12 is cylindric, opens a shoulder hole of being made up of macropore 122 and aperture 121 on the axis.Big valve core 14 is installed in the macropore 122 of valve seat 12.Big valve core 14 roughly is the triangular prism that seamed edge is circular arc.The side of this triangular prism is not less than the radius of the aperture 121 of valve seat 12 to the minimum range d1 of valve seat 12 macropores 122.Open a shoulder hole of forming by macropore 141 and aperture 142 on big valve core 14 axis; Small valve core 17 is installed in the macropore 141 of big valve core 14.
Valve seat macropore 122 be provided with refrigerant can through, hinder the current big block piece 16 of big valve core; The macropore 141 of big valve core is provided with refrigerant can pass through, hinder the current little block piece 19 of small valve core.Above-mentioned big block piece 16 is straight pins with little block piece 19; Big block piece is installed in the pin-and-hole that crosses valve seat 12; Little block piece is installed in the pin-and-hole that crosses big valve core 14.
Be provided with stage clip 15 at big valve core 14 and big 16 of block pieces, stage clip is fixed on big block piece 16 or the big valve core 14, aperture 121 contact seals of the front end 143 of big valve core 14 and valve seat 12 when stage clip extends naturally.Be provided with stage clip 18 at small valve core 17 and 19 of little block pieces, stage clip is fixed on little block piece 19 or the small valve core 17, aperture 142 contact seals of the front end 171 of small valve core 17 and big valve core 14 when stage clip extends naturally.
The front end 143 of big valve core 14 is the conical surface, and aperture 121 inboards of valve seat 12 are the conical surface, and the contact seal of big valve core and valve base chamber is conical surface seal.The front end 171 of small valve core 17 is the conical surface, and aperture 142 inboards of big valve core 14 are the conical surface, and the contact seal of small valve core and big valve core is conical surface seal.
When air-conditioning heats, refrigerant at the flow direction in the throttling arrangement of present embodiment shown in Fig. 3 arrow.Big valve core 14 is placed in the left end of valve seat 12 macropores 122, and because the side of triangular prism is not less than the radius of the aperture of valve seat to the minimum range of valve seat macropore, so contact sealing between aperture 121 both ends of the surface of big valve core 14 and valve seat 12.Simultaneously; Small valve core 17 is pushed along the macropore axis direction in the macropore 141 of big valve core 14; The gap appears between small valve core 17 and big valve core 14 end faces; Liquid flows into this gap through the aperture 142 of big valve core 14, and gets into the passage of 14 of above-mentioned small valve core 17 and big valve cores from this gap, thereby realizes throttling.Promptly in this throttling arrangement, big valve core 14 is in oppositely by state with valve seat 12, valve body 11 common one-way throttle valves of forming; And an one-way throttle valve of small valve core 17 and 14 compositions of big valve core is in the forward throttle.
During air conditioner refrigerating, refrigerant at the flow direction in the throttling arrangement of present embodiment shown in Fig. 6 arrow.Big valve core 14 is pushed along the macropore axis direction in the macropore 122 of valve seat 12; The gap appears between big valve core 14 and valve seat 12 end faces; Liquid flows into this gap through the aperture 121 of valve seat 12, and gets into the passage of 14 of above-mentioned valve seat 12 and big valve cores from this gap, thereby realizes throttling.Small valve core 17 is placed in the right-hand member of big valve core 14 macropores 141, and because the side of triangular prism is not less than the radius of the aperture 142 of big valve core 14 to the minimum range d2 of big valve core macropore 141, so contact sealing between the both ends of the surface of big valve core 14 and small valve core 17 apertures 142.Promptly in this throttling arrangement, big valve core 14 is in the forward throttle with valve seat 12, valve body 11 common one-way throttle valves of forming; And an one-way throttle valve of small valve core 17 and 14 compositions of big valve core is in oppositely by state.
In the present embodiment, on big valve core 14 axis, open a shoulder hole of being made up of macropore 141 and aperture 142 dexterously, small valve core 17 is installed in the macropore 141 of big valve core 14.Like this, an one-way throttle valve of above-mentioned small valve core 17 and big valve core 14 compositions, an one-way throttle valve of forming with above-mentioned big valve core 14 and valve seat 12, valve body 11 is combined in, and forms the device of a two-way throttling.Owing to can realize bidirectional throttle, therefore be used on the air-conditioning refrigeration system and can need not capillary, thereby provide cost savings.
More than be one of embodiment of the utility model,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of the utility model equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the utility model.
Claims (4)
1. the throttling arrangement that is used for air-conditioning refrigeration system between off-premises station heat exchanger and indoor set heat exchanger, is characterized in that:
This throttling arrangement mainly is made up of valve body (11), valve seat (12), big valve core (14), small valve core (17);
Valve body (11) is cylindric; Valve seat (12) is cylindric, opens a shoulder hole of being made up of macropore (122) and aperture (121) on the axis; Big valve core (14) is installed in the macropore (122) of valve seat (12);
Big valve core (14) roughly is the triangular prism that seamed edge is a circular arc; The side of this triangular prism is not less than the radius of the aperture (121) of valve seat (12) to the minimum range of valve seat (12) macropore (122);
Open a shoulder hole of forming by macropore (141) and aperture (142) on big valve core (14) axis; Small valve core (17) is installed in the macropore (141) of big valve core (14);
Small valve core (17) roughly is the triangular prism that seamed edge is a circular arc; The side of this triangular prism is not less than the radius of the aperture (142) of big valve core (14) to the minimum range of big valve core (14) macropore (141);
Valve seat macropore (122) be provided with refrigerant can through, hinder the current big block piece (16) of big valve core; The macropore of big valve core (141) is provided with refrigerant can pass through, hinder the current little block piece (19) of small valve core;
Above-mentioned big block piece (16) and little block piece (19) are straight pins; Big block piece is installed in the pin-and-hole that crosses valve seat (12); Little block piece is installed in the pin-and-hole that crosses big valve core (14).
2. the throttling arrangement that is used for air-conditioning refrigeration system as claimed in claim 1; It is characterized in that: between big valve core (14) and big block piece (16), be provided with stage clip (15); Stage clip is fixed on big block piece (16) or the big valve core (14), aperture (121) contact seal of the front end (143) of big valve core (14) and valve seat (12) when stage clip extends naturally.
3. the throttling arrangement that is used for air-conditioning refrigeration system as claimed in claim 2; It is characterized in that: the front end (143) of big valve core (14) is the conical surface; Aperture (121) inboard of valve seat (12) is the conical surface, and the contact seal of big valve core and valve base chamber is conical surface seal.
4. the throttling arrangement that is used for air-conditioning refrigeration system as claimed in claim 3; It is characterized in that: the front end (171) of small valve core (17) is the conical surface; Aperture (142) inboard of big valve core (14) is the conical surface, and the contact seal of small valve core and big valve core is conical surface seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120478014 CN202393115U (en) | 2011-11-28 | 2011-11-28 | Throttling device for air conditioner refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120478014 CN202393115U (en) | 2011-11-28 | 2011-11-28 | Throttling device for air conditioner refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393115U true CN202393115U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120478014 Expired - Fee Related CN202393115U (en) | 2011-11-28 | 2011-11-28 | Throttling device for air conditioner refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223670A (en) * | 2018-03-10 | 2018-06-29 | 安徽工程大学 | A kind of shock damper |
| CN111677879A (en) * | 2020-06-30 | 2020-09-18 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
| CN113483581A (en) * | 2021-06-09 | 2021-10-08 | 浙江英特科技股份有限公司 | Radiator and air conditioning system with same |
-
2011
- 2011-11-28 CN CN 201120478014 patent/CN202393115U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223670A (en) * | 2018-03-10 | 2018-06-29 | 安徽工程大学 | A kind of shock damper |
| CN111677879A (en) * | 2020-06-30 | 2020-09-18 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
| CN111677879B (en) * | 2020-06-30 | 2024-04-16 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
| CN113483581A (en) * | 2021-06-09 | 2021-10-08 | 浙江英特科技股份有限公司 | Radiator and air conditioning system with same |
| CN113483581B (en) * | 2021-06-09 | 2023-08-04 | 浙江英特科技股份有限公司 | Radiator and air conditioning system with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170508 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX air conditioning Limited by Share Ltd Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Group. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20201128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |