CN205027005U - 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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- CN205027005U CN205027005U CN201520747186.7U CN201520747186U CN205027005U CN 205027005 U CN205027005 U CN 205027005U CN 201520747186 U CN201520747186 U CN 201520747186U CN 205027005 U CN205027005 U CN 205027005U
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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, 30-700 millimeters departments of refrigerant entry when being close to the evaporimeter refrigeration are established to the nozzle flow controller, the nozzle flow controller includes the spray tube and spouts the core, spout in -core portion and have an orifice, the aperture scope of this orifice be 0.3-1.5 millimeter, effectively throttling length be 5-50 millimeters, it is equipped with at least twice annular groove on the outer wall of core to spout, correspond per pass annular groove position, all be equipped with 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 nozzle flow controller injection system makes the refrigerant atomizing, can improve heat exchange efficiency, when the refrigerating output is the same, and reducible condenser cost. This flow controller leakproofness is good, effectively avoids leading to air conditioner refrigerating capacity to descend because of revealing.
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.
As everyone knows, air-conditioner heat exchange area reduces will reduce energy efficiency of air conditioner, due to heat exchange area and energy efficiency of air conditioner positive correlation, so in order to ensure the efficiency of air-conditioner, certain heat exchange area will be kept, again due to the cost positive correlation of heat exchange area and air-conditioner, heat exchange area be kept, just must ensure certain air-conditioner manufacturing cost.
Current air-conditioner industry production capacity surplus; in order to ensure or extend volume growth, major part manufactures commercial city and selects the marketing strategy of mark-down sale, and mark-down sale certainly will will have influence on the profit margin of Air-conditioning Enterprise; therefore, air-conditioning manufacturing cost is reduced very urgent, imperative.If air-conditioner just can reduce manufacturing cost under the prerequisite ensureing efficiency, also can save nonferrous materials consumption, equally also play a role in energy saving.
Therefore, how to improve the sealing of flow controller, stability and uniformity, and how by improving restriction effect under the prerequisite keeping energy efficiency of air conditioner, effectively reduce air-conditioner heat exchange area, reducing manufacturing cost 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, its innovative point is: described nozzle restrictor is located at refrigerant inlet place when evaporator refrigeration, and nozzle restrictor is 30 ~ 700 millimeters to the distance of refrigerant inlet during evaporator refrigeration; 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 pore diameter range of this throttle orifice is 0.3 ~ 1.5 millimeter, and effective chock length of throttle orifice is 5 ~ 50 millimeters; 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.
Further, described spray core has the throttle orifice that an axis runs through spray core.
Further, described spray core has the throttle orifice that two axis run through spray core.
Further, the surface roughness of described throttle orifice is less than or equal to 1.6 microns.
Further, the outside wall surface of described spray core is circumferentially provided with bipassage ring connected in star.
Further, the outside wall surface of described spray core is circumferentially provided with three road annular grooves.
Further, described spray core outside wall surface is circumferentially provided with four road annular grooves.
Further, described nozzle restrictor is located at 30 ~ 300 millimeters of places of refrigerant inlet when evaporator refrigeration.
Related content in such scheme is explained as follows:
1, in such scheme, during described evaporator refrigeration, refrigerant inlet refers to the heat exchange entrance from evaporimeter on the whole theoretic cold-producing medium effectively (refrigeration).The heat exchange entrance of described theoretic cold-producing medium effective (refrigeration) refers to refrigerant inlet when designing evaporator refrigeration in theory, is for the concrete technology manufacture before the invention.Or can understand simply, during described evaporator refrigeration, refrigerant inlet refers to the first heat exchange fin place that evaporator refrigeration flows to.
2, in such scheme, nozzle restrictor refers to the distance of evaporator refrigerant entrance cold-producing medium to export to evaporator inlet length of flow across from the throttle orifice of nozzle restrictor.
3, 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.
4, in such scheme, real that segment length playing throttling action is effective chock length, and throttle orifice length can be equal with effective chock length, also can be unequal, two ends as throttle orifice are provided with horn mouth, and now, the effective length of this throttle orifice is less than the length of throttle orifice.The length of throttle orifice is referred to as, and under normal circumstances, effective chock length is less than or equal to throttle orifice length.
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.
From energy efficiency of air conditioner angle, due to heat exchange area and energy efficiency of air conditioner positive correlation, reduce heat exchange area, the decline of energy efficiency of air conditioner must be caused, in order to ensure the efficiency of air-conditioner, just must keep the heat exchange area matched.And cold-producing medium (refrigerant) is atomized by ejector refrigeration mode by the utility model, with traditional capillary-compensated mode ratio, because the distance of throttling shortens, its cold-producing medium passes through spray core instantaneously, refrigerant pressure drop is reduced, evaporating pressure is higher than conventional capillary flow controller evaporating pressure comparatively speaking, so heat exchanger effectiveness is high.Under the prerequisite that refrigerating capacity is identical, the demand of cold-producing medium reduces, and the flowing velocity of cold-producing medium slows down, and the heat exchanger time of cold-producing medium in the middle of heat exchanger is extended, therefore can reduce heat exchange area, namely reduce condenser, thus can reduce costs.And the utility model, by the mode of ejector refrigeration, although heat exchange area reduces to some extent, efficiency does not but reduce, Here it is good effect that the utility model brings compared with conventional capillary flow controller.
The present inventor thinks, Control Nozzle flow controller has positive effect to the distance of refrigerant inlet during evaporator refrigeration and the design of throttle orifice physical dimension for the heat exchanger effectiveness improving air-conditioner.If nozzle restrictor is too short to the distance of refrigerant inlet during evaporator refrigeration, the cold-producing medium then ejected due to pressure drop little, flow velocity is very fast, cold-producing medium can not be gasified totally, cause cold-producing medium in evaporimeter, still there is the state of gas-liquid mixed, make evaporimeter can not carry out heat exchange very well in this section of gas-liquid mixed like this; If nozzle restrictor is long to the distance of refrigerant inlet during evaporator refrigeration, then causes cold-producing medium to gasify too early in carrier pipe heat exchange, heat exchange efficiency can be made to reduce.In the art, the pore size of described throttle orifice is compared with the capillary restrictor of equal flow, and the capillary restrictor of certain flow is relevant with certain type or power, and these are all prior aries.In the utility model, if throttle orifice aperture is excessive, make refrigerant flow large, cold-producing medium can not be gasified totally, cause cold-producing medium in evaporimeter, still there is the state of gas-liquid mixed, make evaporimeter can not carry out heat exchange very well in this section of gas-liquid mixed like this; If throttle orifice aperture is too small, make refrigerant flow too small, cold-producing medium is after evaporimeter front end is gasified totally heat exchange, and evaporator back end can not carry out heat exchange, affects refrigeration.If throttle orifice length is long, refrigerant pressure is declined rapidly, can gas-liquid mixture phase be caused, form two phase flow noise; If throttle orifice length is too short; when stopping shutdown; because high-pressure side (liquid refrigerant) still can flow to low-pressure end (evaporator end); too short chock length makes the cold-producing medium of high-pressure side rapidly by this nozzle restrictor; because high-pressure side cold-producing medium does not have the operation of compressor; before pressure at two ends tends to balance; pneumatic noise can be produced; and this phenomenon is objective reality; due to rational chock length, the generation of this noise can be avoided by the damping of nozzle restrictor self when pressure at two ends tends to balance.
Because such scheme uses, the utility model compared with prior art has following advantages:
1, the utility model adopts this injection throttling arrangement, is atomized by cold-producing medium by spraying, and conventional capillary throttle style ratio, and its pressure drop is minimum, and evaporating pressure is higher than traditional restrictor evaporating pressure, so heat exchanger effectiveness is high.So when refrigerating capacity is identical, the demand of cold-producing medium reduces, the flowing velocity of cold-producing medium reduces, heat exchanger time is extended, therefore can reduce by the heat exchange area of 24.32%, namely reduce condenser, (cost of 2.16kg reduces namely to reduce cost, about save direct cost 100 yuans), specific experiment parameter is see form in embodiment.
2, because conventional capillary outside machine carry out throttling, the cold-producing medium heat of a part can be caused to pile up on transfer pipeline and flow back into condenser, thus cause thermal losses, reduce heating efficiency; For keeping specified heating capacity, must pour into the refrigerant amount adapting to heat to air-conditioner, relying on compressor to improve discharge pressure and exchanging heat for, thus cause compressor horsepower increase, the reduction of air-conditioner COP value.The utility model has filled this injection apparatus at the arrival end of evaporimeter, when heating, and the high-temperature high-pressure refrigerant that compressor is discharged, when carrying out heat exchange by evaporimeter, because injection apparatus limits the flowing velocity of cold-producing medium, heat exchanger time is extended, and heat exchange is more abundant.Therefore; when heating capacity is constant; can effectively reduce by compressor horsepower; so; nozzle restrictor of the present utility model, while guaranteeing or improving air-conditioner refrigeration, also improves heating effect, namely improves air-conditioner COP value (heating energy efficiency ratio; CoefficientOfPerformance), specific experiment parameter is see form in embodiment.In a word, for the utility model, even if decrease the heat exchange area of condenser in air-conditioner, from actual Detection results, can also improve the COP value of air-conditioner, this to those skilled in the art, (this area textbook is generally acknowledged: the COP value of air-conditioner is directly proportional to heat exchange area to overcome conventional art prejudice, improve the COP value of air-conditioner, must heat exchange area be increased), achieve unexpected effect.
3, simple, the sealing of nozzle restrictor structure of the present utility model is good, effectively prevent the leakage of refrigerant 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.Nozzle restrictor 1 is located at refrigerant inlet place when evaporimeter 5 freezes, and when nozzle restrictor 1 freezes to evaporimeter 5, the distance of refrigerant inlet is 30 millimeters.
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.
In the present embodiment, the aperture of this throttle orifice 12 is 0.65 millimeter, and chock length is 10 millimeters.
The application of injection throttling arrangement in air-conditioner of the present embodiment, the cost of air-conditioner is had significant reduction.This injection throttling arrangement is tested on year-on-year basis by national standard (GB/T7725-2004) on air-conditioner, and it is as follows that experimental data makes form:
As can be seen from above experimental data, heat exchange area decreases 24.32%, but the efficiency that heats of air-conditioning but obtains significant raising, heats efficiency percentage and improves 9.5%, compared with traditional air conditioner theory, achieves unexpected effect.Traditionally air-conditioning is theoretical specifically, if improve air-conditioning heat exchange efficiency, then must increase air-conditioning heat exchange area, and this experimental data proves: in heating operations, decrease heat exchange area, but improve air-conditioning heating efficiency, therefore, the present inventor thinks, by the throttle style of the invention, just achieve so unexpected effect, overcome the prejudice of traditional theory.
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 cannot be revealed along the gap between spray core 11 outer wall and jet pipe 10 inwall, effectively improves 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: 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.
Embodiment 5: all the other are identical with embodiment 1, and difference is: described nozzle restrictor 1 is located near the 700 millimeter places of evaporimeter 5 refrigeration stream to entrance.
Embodiment 6: all the other are identical with embodiment 1, and difference is: described nozzle restrictor 1 is located near the 500 millimeter places of evaporimeter 5 refrigeration stream to entrance.
Embodiment 7: all the other are identical with embodiment 1, and difference is: described nozzle restrictor 1 is located near the 300 millimeter places of evaporimeter 5 refrigeration stream to entrance.
Embodiment 8: all the other are identical with embodiment 1, and difference is: described nozzle restrictor 1 is located near the 100 millimeter places of evaporimeter 5 refrigeration stream to entrance.
Embodiment 9: all the other are identical with embodiment 1, and difference is: the aperture of described throttle orifice 12 is 1.5 millimeters.
Embodiment 10: all the other are identical with embodiment 1, and difference is: the aperture of described throttle orifice 12 is 0.3 millimeter.
Embodiment 11: all the other are identical with embodiment 1, and difference is: the aperture of described throttle orifice 12 is 0.9 millimeter.
Embodiment 12: all the other are identical with embodiment 1, and difference is: the chock length of this throttle orifice 12 is 5 millimeters.
Embodiment 13: all the other are identical with embodiment 1, and difference is: the chock length of this throttle orifice 12 is 50 millimeters.
Embodiment 14: all the other are identical with embodiment 1, and difference is: the chock length of this throttle orifice 12 is 27 millimeters.
For above 14 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 (8)
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) is located at refrigerant inlet place when evaporimeter (5) refrigeration, and when nozzle restrictor (1) freezes to evaporimeter (5), the distance of refrigerant inlet is 30 ~ 700 millimeters; 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 pore diameter range of this throttle orifice (12) is 0.3 ~ 1.5 millimeter, and effective chock length of throttle orifice (12) is 5 ~ 50 millimeters; 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. spray throttling arrangement according to the arbitrary described air-conditioning of claim 1-3, it is characterized in that: the surface roughness of described throttle orifice (12) is less than or equal to 1.6 microns.
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 bipassage ring connected in star (13).
6. 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).
7. 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).
8. air-conditioning according to claim 1 sprays throttling arrangement, it is characterized in that: described nozzle restrictor (1) is located at 30 ~ 300 millimeters of places of refrigerant inlet when evaporimeter (5) refrigeration.
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| CN201520747186.7U CN205027005U (en) | 2015-09-24 | 2015-09-24 | Dual -cavity canned type air conditioner sprays throttling arrangement |
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| CN201520747186.7U CN205027005U (en) | 2015-09-24 | 2015-09-24 | Dual -cavity canned type air conditioner sprays throttling arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843032A (en) * | 2016-09-19 | 2018-03-27 | 辽宁爱尔创科技有限公司 | A kind of idle call ceramic nozzle and preparation method thereof |
| CN109237835A (en) * | 2018-09-27 | 2019-01-18 | 厦门理工学院 | A kind of hand-held dry ice tucker |
| CN109974349A (en) * | 2019-03-05 | 2019-07-05 | 中国科学院力学研究所 | A kind of jet flow is from cooling device |
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2015
- 2015-09-24 CN CN201520747186.7U patent/CN205027005U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843032A (en) * | 2016-09-19 | 2018-03-27 | 辽宁爱尔创科技有限公司 | A kind of idle call ceramic nozzle and preparation method thereof |
| CN109237835A (en) * | 2018-09-27 | 2019-01-18 | 厦门理工学院 | A kind of hand-held dry ice tucker |
| CN109237835B (en) * | 2018-09-27 | 2024-03-12 | 厦门理工学院 | Handheld dry ice filler |
| CN109974349A (en) * | 2019-03-05 | 2019-07-05 | 中国科学院力学研究所 | A kind of jet flow is from cooling device |
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