CN202581975U - Device for replacing throttling element in process of matching properties of air conditioner as well as air conditioner - Google Patents

Device for replacing throttling element in process of matching properties of air conditioner as well as air conditioner Download PDF

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Publication number
CN202581975U
CN202581975U CN201220133865.1U CN201220133865U CN202581975U CN 202581975 U CN202581975 U CN 202581975U CN 201220133865 U CN201220133865 U CN 201220133865U CN 202581975 U CN202581975 U CN 202581975U
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CN
China
Prior art keywords
loam cake
orifice
hold
throttle
orifice union
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Expired - Fee Related
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CN201220133865.1U
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Chinese (zh)
Inventor
陈城彬
张先雄
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TCL Air Conditioner Zhongshan Co Ltd
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TCL Air Conditioner Zhongshan Co Ltd
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Priority to CN201220133865.1U priority Critical patent/CN202581975U/en
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Abstract

The utility model discloses a device for replacing a throttling element in a process of matching properties of an air conditioner. The device comprises an upper cover and a throttling assembly; the upper cover comprises an inner ring and an outer ring; the throttling assembly comprises an inner annular groove and an outer annular groove; the upper cover and the throttling assembly are connected by means of matching between the inner ring and the inner ring groove as well as between the outer ring and the outer ring groove; a plurality of throttling holes are further arranged on the throttling assembly; and the upper cover further comprises a connection pipe arranged in a hollow manner and connected with the throttling holes. The utility model further provides the air conditioner comprising the device for replacing the throttling element in the process of matching the properties of the air conditioner. The device for replacing the throttling element in the process of matching the properties of the air conditioner provided by the utility model can be used for simplifying operation of replacing the throttling element in a property matching test of the air conditioner. Furthermore, no refrigerating fluid leakage can be ensured. Meanwhile, the mounting efficiency can be improved, and the pollution on an environment is reduced.

Description

Change the device and the air-conditioning of restricting element in the heat pump performance coupling
Technical field
The utility model relates to refrigeration technology field, specially refers to device and the air-conditioning of changing restricting element in a kind of heat pump performance coupling.
Background technology
The composition of domestic air conditioning mainly comprises compressor, condenser, throttling arrangement and evaporimeter four big parts, also has accessories such as stop valve in addition.In the R&D process of air-conditioning, need carry out Performance Match to its system, mainly be that the type of being matched is carried out cold-producing medium and match test capillaceous.The process that existing air-conditioning carries out the capillary match test is: condensator outlet is connected with the bigger transition conduit of caliber with high pressure valve, then stop valve is connected on the liquid pipe place of high pressure valve outlet and tube connector outward.In process of the test, change capillary like need air-conditioning is shut down, capillary is changed and through the cold-producing medium in the system air in the capillary discharged.
Yet, adopt above operation, also there is following problem:
1, not only changes trouble of capillary, and when air-conditioning is out of service, also need the long time treat that indoor operating mode is stablized again and just can carry out working condition measurement, thereby cause the waste of resource;
2, in the replacing process, also be easy to the horn mouth of external capillary and tube connector is done to split and caused cold-producing medium to leak;
If 3 to change number of times capillaceous more, also can cause lacking in the system cold-producing medium; And this mode that air-conditioning is carried out the capillary match test also can have certain contaminative to environment.
The utility model content
The main purpose of the utility model is that device and the air-conditioning of changing restricting element in a kind of heat pump performance coupling is provided; Make air-conditioning in performance matching test, change the simple to operate of restricting element; No cold-producing medium leaks, and can improve installation effectiveness, and can reduce the pollution to environment.
The utility model provides the device of changing restricting element in a kind of heat pump performance coupling; Comprise loam cake and orifice union; Ring and outer shroud in said loam cake comprises; Said orifice union comprises inner groove and outer groove, and said loam cake and orifice union be through ring and inner groove in said, and said outer shroud is connected with cooperation between the outer groove; On said orifice union, also be provided with several throttle orifices; Said loam cake comprises that also one is the tube connector that is connected with said throttle orifice of being used for of hollow setting.
Preferably, said several throttle orifices are for being equally spaced, and being centered close on the same circumference of each throttle orifice; The top of an end that is connected with said loam cake at each throttle orifice is provided with transitional pore, and is provided with horn mouth on the top of said transitional pore.
Preferably, the opening part of an end that is connected with said throttle orifice at said tube connector is provided with the rounded corner that cooperates with said horn mouth, and when said tube connector was connected on the said throttle orifice, said rounded corner was close to said horn mouth.
Preferably, the device of changing restricting element in the heat pump performance coupling also comprises a hold-down nut, and the inwall of said hold-down nut is provided with internal thread; On said orifice union, also be provided with a screw rod, said hold-down nut is socketed on the said screw rod, and the part place that is connected with said hold-down nut on the said screw rod is provided with the external screw thread that matches with said internal thread, and said internal thread is meshed with said external screw thread.
Preferably, cover on said and also be provided with one and be used for the said screw rod screw vent that matches with outside dimension said screw rod that pass.
Preferably, the device of changing restricting element in the heat pump performance coupling also comprises a spring, and said spring housing is connected on the said screw rod; Cover on said also be provided with one be socketed in the said spring outside pogo barrel; The internal diameter of said pogo barrel is greater than the aperture of said screw vent; The intersection of said pogo barrel and said screw vent forms a spring limiting stand, and the two ends of said spring contact with the bottom of said hold-down nut and the end face of said spring limiting stand respectively.
Preferably, be provided with a nut limiting stand on the top of said pogo barrel, the height of the distance on said nut limiting stand top greater than said rounded corner arrived in the bottom of said hold-down nut.
Preferably, the device of replacing restricting element also comprises an O type circle and the 2nd O type circle on the madial wall that is fixed on said inner groove and outer groove in the heat pump performance coupling; Said inner groove and madial wall on offer first fitting recess that is used for a ccontaining said O type circle, on the madial wall of said outer groove, offer second fitting recess that is used for ccontaining said the 2nd O type circle.
The utility model also comprises a kind of air-conditioning; Comprise the device of changing restricting element in the heat pump performance coupling; The device of changing restricting element in the said heat pump performance coupling comprises loam cake and orifice union, ring and outer shroud in said loam cake comprises, and said orifice union comprises inner groove and outer groove; Said loam cake and orifice union be through ring and inner groove in said, and said outer shroud is connected with cooperation between the outer groove; On said orifice union, also be provided with several throttle orifices; Said loam cake comprises that also one is the tube connector that is connected with said throttle orifice of being used for of hollow setting.
The orifice union of the utility model through loam cake being set and being connected with this loam cake; Last covering ring and an outer shroud in one are set; And encircle in the confession that corresponding position is provided with interior ring and outer shroud match on orifice union and the inner groove and the outer groove of outer shroud insertion; Through interior ring and inner groove, and realize being fixedly connected of loam cake and orifice union cooperating between outer shroud and the outer groove.On orifice union, also be provided with flow according to the corresponding needed cold-producing medium of capillary, and be provided be used for substituting several throttle orifices capillaceous.Like this, only need to change throttle orifice, and need not make the air-conditioning outage, also need not change capillary, just can accomplish the system and the intercapillary performance matching test of air-conditioning.Adopt this device, can simplify air-conditioning to a great extent and in performance matching test, change the operation of restricting element, and can guarantee not have the cold-producing medium leakage, can improve installation effectiveness simultaneously, and reduce pollution environment.
Description of drawings
Fig. 1 is the generalized section of loam cake in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling;
Fig. 2 is the structural representation of loam cake in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling;
Fig. 3 is the generalized section of orifice union in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling;
Fig. 4 is the generalized section of loam cake and orifice union assembling in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the generalized section of loam cake in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling; Fig. 2 is the structural representation of loam cake in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling; Fig. 3 is the generalized section of orifice union in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling.
See figures.1.and.2, in the present embodiment, change the device of restricting element in the heat pump performance coupling that is provided, comprise loam cake 10 and orifice union 20.And loam cake 10 comprises interior ring 11 and outer shroud 12, and on loam cake 10, also is provided with a tube connector 13 that is the hollow setting, on the outer wall of tube connector 13 pairing loam cakes 10, also is provided with sign 14.
With reference to Fig. 3, orifice union 20 comprises inner groove 21 and outer groove 22.On orifice union 20, also be provided with several throttle orifices 23, wherein, the flow of needed cold-producing medium is provided with in the capillary that all to be basis corresponding with this throttle orifice 23 of the length of each throttle orifice 23 and aperture.The amount of the cold-producing medium that promptly in each throttle orifice 23, is flow through and equate with the amount of the cold-producing medium that flow through in its pairing capillary.Like this, just can use several set throttle orifices 23 to substitute corresponding capillary, thereby accomplish system and a plurality of match test capillaceous of air-conditioning.
Set several throttle orifices 23 can be for being equally spaced in the orifice union 20, and being centered close on the same circumference of these throttle orifices 23.On each throttle orifice 23 pairing throttle orifice outer wall, all can indicate this throttle orifice 23 pairing length capillaceous.
With reference to Fig. 4, Fig. 4 is the generalized section of loam cake and orifice union assembling in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling.
In the present embodiment, the internal diameter of the interior ring 11 of loam cake 10 is slightly larger than the internal diameter of inner groove 21, and the external diameter of interior ring 11 is slightly less than the external diameter of inner groove 21; And the internal diameter of the outer shroud 12 of loam cake 10 is slightly larger than the internal diameter of outer groove 22, and the external diameter of outer shroud 12 is slightly less than the external diameter of outer groove 22.Like this, when loam cake 10 was assembled with orifice union 20 mutually, interior ring 11 inserted in the inner grooves 21, outer shroud 12 then can insert in the outer groove 22, like this, had just realized being connected between loam cake 10 and the orifice union 20.
In the above-described embodiments, setly on loam cake 10 be the tube connector 13 that hollow is provided with, can be used for being connected, and be arranged on the sign 14 on the outer wall of loam cake 10, can be used to indicate the length of presently used throttle orifice 23 with throttle orifice 23.
The utility model embodiment; Through the orifice union 20 that loam cake 10 is set and is connected with this loam cake 10; 11 and outer shrouds 12 of ring in one are set on loam cake 10; And corresponding position is provided with the inner groove 21 and outer groove 22 that ring 11 and outer shroud 12 insert in the confession that matches with interior ring 11 and outer shroud 12 on orifice union 20, through interior ring 11 and inner groove 21, and cooperates being fixedly connected of realization loam cake 10 and orifice union 20 between outer shroud 12 and the outer groove 22.What be provided with also on orifice union 20 that flow according to the corresponding needed cold-producing medium of capillary is provided with is used for substituting several throttle orifices 23 capillaceous.Like this, only need to change throttle orifice 23, and need not make the air-conditioning outage, also need not change capillary, just can accomplish the system and the intercapillary performance matching test of air-conditioning.Adopt this device, can simplify air-conditioning to a great extent and in performance matching test, change the operation of restricting element, and can guarantee not have the cold-producing medium leakage, can improve installation effectiveness simultaneously, and reduce pollution environment.
With reference to Fig. 3, in the above-described embodiments, the top of an end that on each throttle orifice 23, is connected with tube connector 13 can also be provided with transitional pore 231, and it is when changing throttle orifice, to damage throttle orifice for preventing that this transitional pore 231 is set.Top end at transitional pore 231 can also be provided with horn mouth 2311;
With reference to Fig. 1, the opening part of an end that on tube connector 13, is connected with throttle orifice 23 can be provided with the rounded corner 131 that matches with the size of horn mouth 2311, and the gradient that is about to rounded corner 131 is set to consistent with the gradient of horn mouth 2311.After loam cake 10 and orifice union 20 are seated; And when tube connector 13 is connected to 23 last times of throttle orifice; Rounded corner 131 just can be close on the surface of horn mouth 2311, and both cooperations just can seal tube connector 13 with the part that throttle orifice 23 is linked to each other.
With reference to Fig. 4, Fig. 4 is the generalized section of loam cake and orifice union assembling in the device preferred embodiment of changing restricting element in the utility model heat pump performance coupling.
In the above-described embodiments, the device of changing restricting element in the heat pump performance coupling also comprises a hold-down nut 30, and the inwall of this hold-down nut 30 is provided with internal thread 31; On orifice union 20, also be provided with a screw rod 24.Hold-down nut 30 can be socketed on this screw rod 24; And the part place that on screw rod 24, is connected with hold-down nut 30; Also be provided with the external screw thread 241 that matches with the internal thread 31 of hold-down nut 30; When hold-down nut 30 is socketed in 24 last times of screw rod, with engagement between the external screw thread 241 hold-down nut 30 is fixedly connected with screw rod 24 through internal thread 31.
With reference to Fig. 1 and Fig. 4, in the above-described embodiments, the device of changing restricting element in the heat pump performance coupling also comprises a spring 40 that is socketed on the screw rod 24; Simultaneously; On loam cake 10, also be provided with a pogo barrel 15 that is socketed in spring 40 outsides; And in the position that is positioned on the loam cake 10 below this pogo barrel 15; Also be provided with one and be used for the screw vent 16 that screw rod 24 passes, matching with the outside dimension of screw rod 24 in the aperture of this screw vent 16, just can supply screw rod 24 to pass.
The internal diameter of pogo barrel 15 is greater than the aperture of screw vent 16, and like this, the intersection of pogo barrel 15 and screw vent 16 just can form a spring limiting stand 17, and this spring limiting stand 17 is used for the elastically-deformable displacement of restraining spring.Like this, the two ends of spring 40 just contact with the bottom of hold-down nut 30 and the end face of spring limiting stand 17 respectively.
On the top of pogo barrel 15, also be provided with a nut limiting stand 18, it is used to limit the displacement of hold-down nut 30.In the present embodiment, after hold-down nut 30 was socketed on the screw rod 24 and hold-down nut 30 tightened, the bottom of hold-down nut 30 can be set to the height of rounded corner 131 set on the tube connector 13 greater than loam cake 10 to the distance on the top of nut limiting stand 18.Like this; After hold-down nut 30 is tightened on the screw rod 24; The bottom of hold-down nut 30 can produce an extruding force to spring 40; This extruding force can make spring 40 be pressed on the end face of spring limiting stand 17, thus make tube connector 13 rounded corner 131 be close to the surface of the horn mouth 2311 on the throttle orifice 23, further the cooperation through both seals tube connector 13 with the part that throttle orifice 23 is linked to each other.
In the above-described embodiments; The device of changing restricting element in the heat pump performance coupling also comprises an O type circle 50 and the 2nd O type circle 60; The one O type circle 50 and the 2nd O type circle 60 are separately fixed on the madial wall of inner groove 21 and outer groove 22; In the present embodiment, can the quantity of an O type circle 50 and the 2nd O type circle 60 be set to three respectively.Through an O type circle 50 and the 2nd O type circle 60 are set, the outer wall of ring 11 and the inwall of inner groove 21 in can making, and form interference fit between the inwall of the outer wall of outer shroud 12 and outer groove 22; And interior ring 11 and inner groove 21, and cooperating between outer shroud 12 and the outer groove 22 can make replacing throttle orifice 23 time, the cavity between interior ring 11 and the outer shroud 12 remains airtight cavity, thereby has guaranteed that the cold-producing medium in the system can not leak.
Assemble an O type circle 50 and the 2nd O type circle 60 for ease, inner groove 21 and madial wall on also offer first fitting recess, 70, the one O type circles 50 and can be contained in this first fitting recess 70; And can be contained in this second fitting recess 80 also offering second fitting recess, 80, the two O type circles 60 on the madial wall of outer groove 22.In the present embodiment, it is consistent that the quantity of first fitting recess 70 and second fitting recess 80 is set to the quantity of an O type circle 50 and the 2nd O type circle 60.
When needs carry out performance matching test to air-conditioning; Loam cake 10 and orifice union 20 are assembled; Can be inserted into the interior ring 11 on the loam cake 10 in the inner groove 21 of orifice union 20 this moment, simultaneously outer shroud 12 inserted in the outer groove 22, at this moment; Through an O type circle 50 and the 2nd O type circle 60 on the madial wall that is arranged on inner groove 21 and outer groove 22, just can interior ring 11 be sealed with outer shroud 12.
After tightening to hold-down nut 30 on the screw rod 24; The extruding force that 30 pairs of springs 40 of hold-down nut are produced; Spring 40 is close on the end face of spring limiting stand 17, and because nut limiting stand 18 is slightly larger than the height of rounded corner 131 to the distance of the bottom of hold-down nut 40, rounded corner 131 just can be close on the surface of horn mouth 2311; With tube connector 13 with when throttle orifice 23 is connected, also guaranteed both joints are sealed.Like this, just can carry out performance matching test to some throttle orifices 23.
After some throttle orifices 23 are finished performance matching test; Change throttle orifice like need; Then only need loam cake 10 upwards be mentioned, and will be arranged on the loam cake 10 and the sign place that is screwed into the throttle orifice 23 of required replacing corresponding to the sign 14 of tube connector 13 positions, loose one's grip then; Loam cake 10 can move down under the elastic force effect of spring 40; Just can the rounded corner on the tube connector 131 be pressed on the surface of the horn mouth 2311 of selected throttle orifice 23, so just accomplish replacing, thereby can carry out performance matching test the throttle orifice 23 after changing to throttle orifice 23.
The utility model also provides a kind of air-conditioning; Comprise the device of changing restricting element in the heat pump performance coupling; Change the device of restricting element in the heat pump performance coupling, comprise loam cake 10 and orifice union 20, and loam cake 10 comprises interior ring 11 and outer shroud 12; And on loam cake 10, also be provided with one and be the tube connector 13 that hollow is provided with, on the outer wall of tube connector 13 pairing loam cakes 10, also be provided with sign 14.
Orifice union 20 comprises inner groove 21 and outer groove 22.On orifice union 20, also be provided with several throttle orifices 23, wherein, the flow of needed cold-producing medium is provided with in the capillary that all to be basis corresponding with this throttle orifice 23 of the length of each throttle orifice 23 and aperture.The amount of the cold-producing medium that promptly in each throttle orifice 23, is flow through and equate with the amount of the cold-producing medium that flow through in its pairing capillary.Like this, just can use several set throttle orifices 23 to substitute corresponding capillary, thereby accomplish system and a plurality of match test capillaceous of air-conditioning.
Set several throttle orifices 23 can be for being equally spaced in the orifice union 20, and being centered close on the same circumference of these throttle orifices 23.On each throttle orifice 23 pairing throttle orifice outer wall, all can indicate this throttle orifice 23 pairing length capillaceous.
When needs carry out performance matching test to air-conditioning; Loam cake 10 and orifice union 20 are assembled; Can be inserted into the interior ring 11 on the loam cake 10 in the inner groove 21 of orifice union 20 this moment, simultaneously outer shroud 12 inserted in the outer groove 22, at this moment; Through an O type circle 50 and the 2nd O type circle 60 on the madial wall that is arranged on inner groove 21 and outer groove 22, just can interior ring 11 be sealed with outer shroud 12.
After tightening to hold-down nut 30 on the screw rod 24; The extruding force that 30 pairs of springs 40 of hold-down nut are produced; Spring 40 is close on the end face of spring limiting stand 17, and because nut limiting stand 18 is slightly larger than the height of rounded corner 131 to the distance of the bottom of hold-down nut 40, rounded corner 131 just can be close on the surface of horn mouth 2311; With tube connector 13 with when throttle orifice 23 is connected, also guaranteed both joints are sealed.Like this, just can carry out performance matching test to some throttle orifices 23.
After some throttle orifices 23 are finished performance matching test; Change throttle orifice like need; Then only need loam cake 10 upwards be mentioned, and will be arranged on the loam cake 10 and the sign place that is screwed into the throttle orifice 23 of required replacing corresponding to the sign 14 of tube connector 13 positions, loose one's grip then; Loam cake 10 can move down under the elastic force effect of spring 40; Just can the rounded corner on the tube connector 131 be pressed on the surface of the horn mouth 2311 of selected throttle orifice 23, so just accomplish replacing, thereby can carry out performance matching test the throttle orifice 23 after changing to throttle orifice 23.
The embodiment of this air-conditioning has comprised whole technical schemes of each embodiment of the structure of the device of replacing restricting element in the above-mentioned heat pump performance coupling, and the technique effect that is reached is also identical, repeats no more at this.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.

Claims (10)

1. change the device of restricting element during a heat pump performance matees; It is characterized in that; Comprise loam cake and orifice union, ring and outer shroud in said loam cake comprises, said orifice union comprises inner groove and outer groove; Said loam cake and orifice union be through ring and inner groove in said, and said outer shroud is connected with cooperation between the outer groove; On said orifice union, also be provided with several throttle orifices; Said loam cake comprises that also one is the tube connector that is connected with said throttle orifice of being used for of hollow setting.
2. device as claimed in claim 1 is characterized in that, said several throttle orifices are for being equally spaced, and being centered close on the same circumference of each throttle orifice; The top of an end that is connected with said loam cake at each throttle orifice is provided with transitional pore, and is provided with horn mouth on the top of said transitional pore.
3. device as claimed in claim 2; It is characterized in that; The opening part of an end that is connected with said throttle orifice at said tube connector is provided with the rounded corner that cooperates with said horn mouth, and when said tube connector was connected on the said throttle orifice, said rounded corner was close to said horn mouth.
4. device as claimed in claim 3 is characterized in that, also comprises a hold-down nut, and the inwall of said hold-down nut is provided with internal thread; On said orifice union, also be provided with a screw rod, said hold-down nut is socketed on the said screw rod, and the part place that is connected with said hold-down nut on the said screw rod is provided with the external screw thread that matches with said internal thread, and said internal thread is meshed with said external screw thread.
5. device as claimed in claim 4 is characterized in that, covers on said also to be provided with one and to be used for the said screw rod screw vent that matches with outside dimension said screw rod that pass.
6. device as claimed in claim 5 is characterized in that, also comprises a spring, and said spring housing is connected on the said screw rod; Cover on said also be provided with one be socketed in the said spring outside pogo barrel; The internal diameter of said pogo barrel is greater than the aperture of said screw vent; The intersection of said pogo barrel and said screw vent forms a spring limiting stand, and the two ends of said spring contact with the bottom of said hold-down nut and the end face of said spring limiting stand respectively.
7. device as claimed in claim 6 is characterized in that, is provided with a nut limiting stand on the top of said pogo barrel, and the height of the distance on said nut limiting stand top greater than said rounded corner arrived in the bottom of said hold-down nut.
8. like each described device in the claim 1 to 7, it is characterized in that, also comprise an O type circle and the 2nd O type circle on the madial wall that is fixed on said inner groove and outer groove; Said inner groove and madial wall on offer first fitting recess that is used for a ccontaining said O type circle, on the madial wall of said outer groove, offer second fitting recess that is used for ccontaining said the 2nd O type circle.
9. air-conditioning; Comprise the device of changing restricting element in the heat pump performance coupling, it is characterized in that the device of changing restricting element in the said heat pump performance coupling comprises loam cake and orifice union; Ring and outer shroud in said loam cake comprises; Said orifice union comprises inner groove and outer groove, and said loam cake and orifice union be through ring and inner groove in said, and said outer shroud is connected with cooperation between the outer groove; On said orifice union, also be provided with several throttle orifices; Said loam cake comprises that also one is the tube connector that is connected with said throttle orifice of being used for of hollow setting.
10. air-conditioning as claimed in claim 9 is characterized in that, the device of changing restricting element in the said heat pump performance coupling is as changing the device of restricting element in each described heat pump performance coupling in the claim 2 to 8.
CN201220133865.1U 2012-03-31 2012-03-31 Device for replacing throttling element in process of matching properties of air conditioner as well as air conditioner Expired - Fee Related CN202581975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220133865.1U CN202581975U (en) 2012-03-31 2012-03-31 Device for replacing throttling element in process of matching properties of air conditioner as well as air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220133865.1U CN202581975U (en) 2012-03-31 2012-03-31 Device for replacing throttling element in process of matching properties of air conditioner as well as air conditioner

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CN202581975U true CN202581975U (en) 2012-12-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525312A (en) * 2017-09-29 2017-12-29 海信(山东)空调有限公司 A kind of combined type choke valve debugging tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525312A (en) * 2017-09-29 2017-12-29 海信(山东)空调有限公司 A kind of combined type choke valve debugging tool
CN107525312B (en) * 2017-09-29 2023-06-27 海信空调有限公司 Combined throttle valve debugging tool

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20121205

Termination date: 20190331