CN205027003U - Dual -cavity canned type air conditioner sprays throttling arrangement - Google Patents
Dual -cavity canned type air conditioner sprays throttling arrangement Download PDFInfo
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- CN205027003U CN205027003U CN201520746947.7U CN201520746947U CN205027003U CN 205027003 U CN205027003 U CN 205027003U CN 201520746947 U CN201520746947 U CN 201520746947U CN 205027003 U CN205027003 U CN 205027003U
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Abstract
The utility model provides a dual -cavity canned type air conditioner sprays throttling arrangement, includes the parallelly connected nozzle flow controller that sets up of one or more, and the nozzle flow controller includes the spray tube and spouts the core, and the spray tube is a siphonozooid, spouts the core and has axial and circumference, spouts the core and is equipped with at least one in the axial and runs through the orifice that spouts the core, it is equipped with at least twice annular groove on the outer wall of core to spout, correspond the position of per pass annular groove, all be equipped with an annular indentation on the spray tube pipe wall, annular indentation be the annular on the spray tube surface sunken, and be the annular on the surface including, protruding, in the protruding embedding annular groove of annular, makes the spray tube and spout that core formation is sealed, fixed connection. The utility model discloses a dual -cavity canned type air conditioner sprays throttling arrangement simple structure, leakproofness are good, have prevented effectively that gaseous refrigerant from leaking, thereby have effectively avoided because refrigerant gas, liquid mixed flow lead to the problem that the refrigerating capacity of air conditioner descends. Thereby make uniformity, the stability of nozzle flow controller flow obtain improving.
Description
Technical field
The utility model relates to a kind of dual-cavity closed type air-conditioning and sprays throttling arrangement.
Background technology
Chinese patent CN2490515Y discloses the utility model patent that a kind of name is called " a kind of throttle pipe of air conditioner ".Throttle pipe disclosed in this patent is made up of copper pipe and the throttle block be placed in copper pipe, because throttle block is placed in copper pipe inside, certain gap is certainly existed between them, this just result between this throttle block and copper pipe exists certain leakage problem, and leakage will cause refrigerant vapor, make the state that there is gas-liquid mixed in air-conditioner, the refrigerant flow state that air-conditioner is matched changes, and destroys stability and the uniformity of air-conditioner.
Therefore, provide a kind of dual-cavity closed type air-conditioning to spray throttling arrangement, improving the sealing of flow controller, stability and uniformity, is the problem that the utility model will be studied.
Summary of the invention
The utility model provides a kind of dual-cavity closed type air-conditioning to spray throttling arrangement, its objective is the leakage problem in order to solve flow controller in air-conditioner, thus the sealing of nozzle restrictor flow, stability and uniformity are improved.
In order to achieve the above object, the technical solution of the utility model is: a kind of dual-cavity closed type air-conditioning sprays throttling arrangement, comprise one or more nozzle restrictor be arranged in parallel, described nozzle restrictor comprises jet pipe and is arranged on the spray core of this jet pipe inside, described jet pipe is a tubular body, described spray core has axial and circumferential, this spray core is axially at least being provided with the throttle orifice that runs through spray core, the outside wall surface of described spray core is circumferentially provided with at least bipassage ring connected in star, each annular groove is arranged at described spray core axially spaced-apart; The position of corresponding per pass annular groove, the tube wall of described jet pipe is equipped with an annular indentation, this annular indentation is ring-shaped depression on described jet pipe outer surface, described jet pipe inner surface is annular protrusion, described annular protrusion embeds in the annular groove of described spray core, described jet pipe is formed with described spray core seal, is fixedly connected with.
Related content in such scheme is explained as follows:
1, in such scheme, described spray core has the throttle orifice that an axis runs through spray core.
2, in such scheme, described spray core has the throttle orifice that two axis run through spray core.
3, in such scheme, the outside wall surface of described spray core is circumferentially provided with bipassage ring connected in star.
4, in such scheme, the outside wall surface of described spray core is circumferentially provided with three road annular grooves.
5, in such scheme, described spray core outside wall surface is circumferentially provided with four road annular grooves.
6, in such scheme, spray core has axial and circumferential, and the axis of spray core refers to the direction of spray core along length, and the axis of spray core refers to the direction of the circumference of spray core.
Utility model works principle is: technological core of the present utility model is in the outside wall surface of spray core, be circumferentially provided with at least bipassage ring connected in star, the position of corresponding per pass annular groove, the tube wall of jet pipe is equipped with an annular indentation, this annular indentation is ring-shaped depression on jet pipe outer surface, it jet pipe inner surface is annular protrusion, annular protrusion embeds in the annular groove of spray core, jet pipe and spray core are formed seal, be fixedly connected with, can effectively prevent gas from leaking along the outer wall of spray core and nozzle wall, to improve sealing and the reliability of nozzle restrictor.Why the utility model arranges this injection throttling arrangement in air-conditioner, its objective is the refrigerant flow in order to accurately distribute needed for each group of evaporimeter, thus improve the operating efficiency of air-conditioner, and between spray core and jet pipe, produce the uncertainty that refrigrant leakage can cause its flow, cause the evaporating pressure of cold-producing medium unstable, finally cause household air-conditioner unstable.The present inventor thinks, in theory, even if adopt the design of one annular groove, still there is many problems from the angle of industrialized mass production, such as, the first, the uniformity of product is difficult to ensure cold-producing medium No leakage between spray core and jet pipe; The second, once occur between spray core and jet pipe leaking, then product cannot be repaired; 3rd, have some products not leak in first use, but along with the increase of service time, the impact of being expanded with heat and contract with cold due to material and being out of shape, also can cause the leakage between the spray core in later stage and jet pipe, thus affect the use of air-conditioner.These problems, what do not have people to imagine to those skilled in the art is so simple and easy, belongs to technical barrier.And injection throttling arrangement of the present invention, between spray core and jet pipe, adopt bipassage ring connected in star, fairly simple outwardly, but practical effect exceeds people's imagination.Its working mechanism is: the utility model in use, even if there is a small amount of refrigrant leakage in the first annular groove place between spray core and jet pipe, because the cold-producing medium flowing through this first annular groove can produce sizable pressure drop, therefore, pressure through the cold-producing medium of this first annular groove no longer possesses through second annular groove, and even three, the ability of the 4th road annular groove, thus the leakage that reliably and effectively can prevent cold-producing medium between spray core and jet pipe.Second annular groove and even the 3rd, the 4th road annular groove are relative to first annular groove, not simple quantitative repetition and superposition, but a kind of safeguard reliably, this is for very important industrialized mass production, and its concrete implementation result has significant unobviousness and outstanding substantive distinguishing features.In addition, such design also suitably can reduce the manufacture requirements of product to a certain extent, and this also has realistic meaning for industrialized mass production.
Nozzle restrictor structure of the present utility model is simple, sealing is good, effectively prevent the refrigrant leakage of gaseous state, effectively prevent due to cold-producing medium gas, liquid mixed flow thus cause the problem that the refrigerating capacity of air-conditioner declines.Thus make the uniformity of nozzle restrictor flow, stability is improved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing 1 is the structural representation that in the present embodiment 1, band sprays the air-conditioner of throttling arrangement;
Accompanying drawing 2 is the sectional view of nozzle restrictor in the present embodiment 1;
Accompanying drawing 3 is the sectional view of jet pipe in nozzle restrictor in the present embodiment 1;
Accompanying drawing 4 is the structural representation that in the present embodiment 2, band sprays the air-conditioner of throttling arrangement;
Accompanying drawing 5 is the structural representation that in the present embodiment 3, band sprays the air-conditioner of throttling arrangement;
Accompanying drawing 6 is the sectional view of the nozzle restrictor being with two throttle orifices in the present embodiment 4.
In above accompanying drawing: 1, nozzle restrictor; 10, jet pipe; 11, spray core; 12, throttle orifice; 13, annular groove; 14, annular protrusion; 15, ring-shaped depression; 2, compressor; 3, cross valve; 4, condenser; 5, evaporimeter; 6, carrier pipe; 7, capillary restrictor.
Detailed description of the invention
Embodiment 1: a kind of dual-cavity closed type air-conditioning sprays throttling arrangement
Shown in accompanying drawing 1, air-conditioner comprises the compressor 2, cross valve 3, condenser 4 and the evaporimeter 5 that are communicated with by piping loop, on the carrier pipe 6 connecting condenser 4 and evaporimeter 5, be provided with near condenser 4 one end and heat throttling arrangement, heating throttling arrangement in the present embodiment is a capillary restrictor 7.Be provided with injection throttling arrangement near evaporimeter 5 one end, this injection throttling arrangement is a nozzle restrictor 1.
Shown in accompanying drawing 2,3, wherein, nozzle restrictor 1 comprises jet pipe 10 and is arranged on the spray core 11 of this jet pipe 10 inside, and jet pipe 10 is a tubular body, and spray core 11 has axial and circumferential, and this spray core 11 is being axially arranged with the throttle orifice 12 that runs through spray core 11.The outside wall surface of spray core 11 is circumferentially provided with bipassage ring connected in star 13, and each annular groove 13 is arranged at spray core 11 axially spaced-apart.The position of corresponding per pass annular groove 13, the tube wall of jet pipe 10 is equipped with an annular indentation, this annular indentation is ring-shaped depression 15 on described jet pipe 10 outer surface, jet pipe 10 inner surface is annular protrusion 14, annular protrusion 14 embeds in the annular groove 13 of spray core 11, jet pipe 10 is formed with spray core 11 seal, is fixedly connected with.
Operation principle in air-conditioner of the injection throttling arrangement of the present embodiment and flow process as follows:
Air conditioner refrigerating process: the high temperature and high pressure gaseous refrigerant that compressor 2 exports enters condenser 4 through cross valve 3, and carry out heat exchange with outdoor environment, when high temperature and high pressure gaseous refrigerant is cooled to below critical-temperature, cold-producing medium is condensed into liquid state by gaseous state.Liquid cold-producing medium, is exported by condenser 4, enters carrier pipe 6.Now, cold-producing medium, without expenditure and pressure, can not be vaporized, and the space that the liquid refrigerant of equal in quality occupies than gas, liquid mixed flow cold-producing medium is less, and carrier pipe 6 just contains more liquid refrigerant.Liquid refrigerant, during through being installed on the nozzle restrictor 1 of evaporimeter 5 arrival end, swashing and penetrating ejection, below instant decompression to critical pressure, gasifying rapidly, enter evaporimeter 5; Enter the atomized refrigerant of evaporimeter 5, vaporize further at evaporimeter 5, absorb heat in a large number simultaneously; By the radiating fin of evaporimeter 5, carry out heat exchange with indoor environment, realize refrigeration.Carry out the gaseous refrigerant after heat exchange with indoor environment, enter next circulation.
Air-conditioning heating process: the high temperature and high pressure gaseous refrigerant that compressor 2 exports switches through cross valve 3, enters evaporimeter 5, carries out heat exchange with indoor environment, when high temperature and high pressure gaseous refrigerant is cooled to below critical-temperature, cold-producing medium is condensed into liquid state by gaseous state, and discharges latent heat, realizes heating.Export high pressure liquid refrigerant by evaporimeter 5, the throttle orifice 12 through nozzle restrictor 1 oppositely sprays, and vaporizes below the critical pressure that reduces pressure.Atomized refrigerant is through capillary restrictor 7, and decompression further, vaporization, reduce critical-temperature, enter condenser 4.Enter the atomized refrigerant of condenser 4,4 continue vaporization, simultaneously stability heat within the condenser; Heat exchange is carried out by condenser 4 and outdoor environment.Carry out the cryogenic gaseous cold-producing medium after heat exchange with outdoor environment, then enter next circulation.
The above-mentioned air-conditioning of the present embodiment sprays throttling arrangement, adopt nozzle restrictor 1, because nozzle restrictor 1 has the feature of instant decompression, efficiently avoid cold-producing medium in process of refrigerastion, when flowing through capillary restrictor 7, gas, liquid mixed flow affect the phenomenon that cold-producing medium exports, thus improve the refrigerating capacity of air-conditioner, reduce the power consumption of air-conditioner, improve Energy Efficiency Ratio.And meanwhile, due to the outside wall surface of spray core 11 being circumferentially provided with annular groove 13.The position of corresponding per pass annular groove 13, the tube wall of jet pipe 10 is equipped with an annular indentation, and this annular indentation is annular protrusion 14 on jet pipe 10 inner surface, and annular protrusion 14 embeds in the annular groove 13 of spray core 11.This is fitted together to and is arranged so that gaseous refrigerant along the clearance leakage between spray core 11 outer wall and jet pipe 10 inwall, cannot effectively improve its sealing, therefore effectively prevent the gas of cold-producing medium, liquid mixed flow.
Embodiment 2: see accompanying drawing 4, all the other are identical with embodiment 1, difference is: in order to solve the changes in flow rate of cold-producing medium under different operating mode in convertible frequency air-conditioner, the injection throttling arrangement arranged near evaporimeter 5 one end at air-conditioner is made up of two nozzle restrictors 1, and these two nozzle restrictors 1 are arranged in parallel.
Embodiment 3: see accompanying drawing 5, all the other are identical with embodiment 1, and difference is: the injection throttling arrangement arranged near evaporimeter 5 one end at air-conditioner is made up of three nozzle restrictors 1, and these three nozzle restrictors 1 are arranged in parallel each other.
Embodiment 4: see accompanying drawing 6, all the other are identical with embodiment 1, and difference is: described spray core 11 inside is provided with the throttle orifice 12 that two axis run through spray core 11, and inner in spray core 11, two throttle orifices 12 are set up in parallel.
For above 4 embodiments, the utility model also issuable change describes and is explained as follows further:
1, in above-described embodiment, described annular groove 13 is exemplified as twice, and in fact the above annular groove 13(of twice comprises three road annular groove 13, four road annular grooves 13 etc.) all can realize.Although annular grooves 13 more than twice does not provide embodiment, but those of ordinary skill in the art are under the inspiration of above-described embodiment, easily draw the result that the above annular groove 13 of twice also can be implemented, described annular protrusion 14 is corresponding with described annular groove 13.
2, in above-described embodiment, except the embodiment comprising a nozzle restrictor 1 and two nozzle restrictors be arranged in parallel 1 described, according to varying environment needs, three, four nozzle restrictors 1 etc. can also be comprised, when for multiple nozzle restrictor 1, employing is arranged in parallel.
3, in above-described embodiment, give spray core 11 inside and the embodiment that and two axis run through the throttle orifice 12 of spray core 11 is set.In fact, in order to adapt to the changes in flow rate of cold-producing medium under different operating mode in convertible frequency air-conditioner, also be to realize by the throttle orifice 12 arranging more than three or three in the spray core 11 of single-nozzle flow controller 1, although the throttle orifice 12 of more than three or three does not provide embodiment, but those of ordinary skill in the art are under the inspiration of above-described embodiment, easily draw the result that the throttle orifice 12 of more than three or three also can be implemented.The present invention also comprises and realizes using poromerics (such as micropore ceramics) scheme that realizes, now, the quantity of this throttle orifice 12 be far longer than before two, three etc., and now micropore (throttle orifice 12) quantity can reach thousands of.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a dual-cavity closed type air-conditioning sprays throttling arrangement, comprise one or more nozzle restrictor (1) be arranged in parallel, it is characterized in that: described nozzle restrictor (1) comprises jet pipe (10) and is arranged on the inner spray core (11) of this jet pipe (10), described jet pipe (10) is a tubular body, described spray core (11) has axial and circumferential, this spray core (11) is axially at least being provided with the throttle orifice (12) that runs through spray core (11), the outside wall surface of described spray core (11) is circumferentially provided with at least bipassage ring connected in star (13), each annular groove (13) is arranged at described spray core (11) axially spaced-apart, the position of corresponding per pass annular groove (13), the tube wall of described jet pipe (10) is equipped with an annular indentation, this annular indentation is ring-shaped depression (15) on described jet pipe (10) outer surface, described jet pipe (10) inner surface is annular protrusion (14), described annular protrusion (14) embeds in the annular groove (13) of described spray core (11), described jet pipe (10) is formed with described spray core (11) seal, is fixedly connected with.
2. dual-cavity closed type air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: described spray core (11) has the throttle orifice (12) that an axis runs through spray core (11).
3. dual-cavity closed type air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: described spray core (11) has the throttle orifice (12) that two axis run through spray core (11).
4. dual-cavity closed type air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: the outside wall surface of described spray core (11) is circumferentially provided with bipassage ring connected in star (13).
5. dual-cavity closed type air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: the outside wall surface of described spray core (11) is circumferentially provided with three road annular grooves (13).
6. dual-cavity closed type air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: described spray core (11) outside wall surface is circumferentially provided with four road annular grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746947.7U CN205027003U (en) | 2015-09-24 | 2015-09-24 | Dual -cavity canned type air conditioner sprays throttling arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746947.7U CN205027003U (en) | 2015-09-24 | 2015-09-24 | Dual -cavity canned type air conditioner sprays throttling arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027003U true CN205027003U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746947.7U Active CN205027003U (en) | 2015-09-24 | 2015-09-24 | Dual -cavity canned type air conditioner sprays throttling arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN205027003U (en) |
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- 2015-09-24 CN CN201520746947.7U patent/CN205027003U/en active Active
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