CN2608916Y

CN2608916Y - Conjoined reducing capillary pipe for use in refrigerator/air conditioner

Info

Publication number: CN2608916Y
Application number: CNU032237367U
Authority: CN
Inventors: 苏锐球
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-24
Filing date: 2003-02-24
Publication date: 2004-03-31
Anticipated expiration: 2013-02-24

Abstract

The utility model provides a siamesed variable diameter capillary of the condenser and air conditioner, the capillary at least has a first part, a second part and a third part, wherein, the first part, the second part and the third part form the capillary; The pipe inner diameter of the second part is larger than the pipe inner diameter of the first part, and the third part has the pipe inner diameter larger than that of the second part; the place between the pipe inner walls of the first part and the second part is equipped with a smooth transitional arched surface, and the place between the pipe inner walls of the second part and the third part is equipped with a smooth transitional arched surface; the first part takes larger than three fifth of the whole capillary length; the capillary is wholly produced or cast once. The remarkable effect is that the utility model not only has anti blocking function, but performs noise eliminating effect, promising no capillary weld blocking phenomenon caused by welding.

Description

The disjunctor reducing capillary that refrigerator/air-conditioner is used

Technical field

The utility model relates to the capillary that refrigerator/air-conditioner is used, more specifically to having anti-clogging, reducing the capillary that the refrigerator/air-conditioner of noise function is used.

Background technology

CN1186936A (application number 97126253.5) discloses a kind of refrigeration system and capillary thereof.Shown in Figure 1 is the schematic diagram of its refrigeration system.Existing refrigeration system is in when operation, and compressor 1 compression refrigerant also enters it in the condenser 2.When refrigerant liquid stream ran into capillary 3, it had been limited, thereby caused the increase of refrigerant pressure in the condenser 2.When the high-pressure refrigerant that has been compressed flows out capillary 3 and flows into low pressure, jumbo evaporimeter 2, the also evaporation of expanding of this refrigerant, thus cause that the temperature in the evaporimeter 2 descends.The refrigerant of this moment roughly is gaseous state, and it shifts to compressor 1 then, is compressed and repeats this circulation once more at this refrigerant.

Shown in Figure 2 is its capillary structural representation of an embodiment wherein.Its design feature capillaceous is: the capillary that comprises a first 31 and a second portion 32 at least, described first 31 has one first cross section and constitutes inlet capillaceous, described second portion 32 has one greater than second cross section of first cross section and constitute liquid outlet capillaceous, described inlet capillaceous links to each other with the liquid outlet of described condenser, and described liquid outlet capillaceous links to each other with the inlet of described evaporimeter.

The prior art has solved impurity and has blocked problem capillaceous.Its weak point is: 1), use in this capillary still have bigger operating noise.Its main cause is, a, two sections capillary be because changeover portion is few, and the refrigerant of high pressure can't expand continuously, even if the two intersegmental capillaries that seamlessly transit also can't the cancellation noise; Has only the noise that allows the refrigerant of high pressure when flowing out capillary outlet, be expanded continuously and to send when can cancellation refrigerant flowing through capillary.B, most of manufacturer are when manufacturing this capillary, employing forms capillary with the mode of first and second portion welding, be the capillary that first 31 and second portion 32 are welded together to form as shown in Figure 3, when first 31 adopts scolder 33 welding with

second portion

32,32 of first 31 and second portions easily form space 3132, and capillary can make a noise because of the backflow that this space 3132 produces when work like this.2), owing to adopt welding manner that first and second portion are coupled together because the capillary caliber is very little, easily produce the stifled phenomenon of weldering.

The utility model content

Technical problem to be solved in the utility model is that to overcome existing capillary noise big, easily the stifled deficiency of weldering and the disjunctor reducing capillary that provides a kind of refrigerator/air-conditioner to use.

Technology solution of the present utility model is as follows:

The disjunctor reducing capillary that refrigerator/air-conditioner is used, its design feature is:

Capillary has first, second portion and third part at least, and first, second portion and third part constitute this capillary;

The bore of second portion is greater than the bore of first, and the bore of third part is greater than the bore of second portion;

The segmental arc face that a mild transition is arranged between the inside pipe wall of first and second portion has the segmental arc face of a mild transition between the inside pipe wall of second portion and third part;

The length of the shared entire capillary of first is greater than 3/5;

This capillary processes for the overall time disjunctor or casting forms.

The utility model can also take following technical measures to solve:

The length of described second portion is the 20-300 millimeter, and the length of third part is the 20-300 millimeter.

The length of described second portion is less than the length of third part.

Outstanding effect of the present utility model is:

1), the capillary of prior art designs for anti-clogging, it does not have strict length requirement to each several part, but it is not balanced continuously expansion in the short distance when high-pressure refrigerant flows out capillary with capillary design simultaneously, so it also cannot play the effect that abates the noise.The utility model is because capillary has three parts, the length of first is greater than 3/5, the length of second portion and third part must design shortly, so it is except that having anticlogging function, and its second portion and third part can play the effect that abates the noise.

2), technological requirement is higher owing to the disposable casting of capillary monolithic is formed, so most of producer adopts used capillary in the welding manner production prior art.The utility model takes one-step casting to form, and does not need welding, and it can not produce capillary because the stifled phenomenon of the weldering that is welded.

Description of drawings

Fig. 1 is the refrigeration system schematic diagram of prior art;

Fig. 2 is the schematic diagram of an embodiment of the prior art;

Fig. 3 is welded together to form schematic diagram capillaceous for prior art first and second portion;

Fig. 4 is a structural representation of the present utility model.

The specific embodiment

The disjunctor reducing capillary that refrigerator/air-conditioner is used, capillary has first 101, second portion 102 and third part 103 at least, and first 101, second portion 102 and third part 103 constitute this capillary;

The bore of second portion 102 is greater than the bore of first 101, and the bore of third part 103 is greater than the bore of second portion 102;

The segmental arc face 104 that a mild transition is arranged between the inside pipe wall of first 101 and second portion 102 has the segmental arc face 105 of a mild transition between the inside pipe wall of second portion 102 and third part 103;

The length of first's 101 shared entire capillaries is greater than 3/5;

This capillary processes for the overall time disjunctor or casting forms.

The length of second portion 102 is 50 millimeters, and the length of third part 103 is 100 millimeters.

Claims

1, the disjunctor reducing capillary used of refrigerator/air-conditioner, its design feature is:

Capillary has first (101), second portion (102) and third part (103) at least, and first (101), second portion (102) and third part (103) constitute this capillary;

The bore of second portion (102) is greater than the bore of first (101), and the bore of third part (103) is greater than the bore of second portion (102);

The segmental arc face (104) that a mild transition is arranged between the inside pipe wall of first (101) and second portion (102) has the segmental arc face (105) of a mild transition between the inside pipe wall of second portion (102) and third part (103);

The length of the shared entire capillary of first (101) is greater than 3/5;

This capillary processes for the overall time disjunctor or casting forms.

2, the disjunctor reducing capillary used of refrigerator/air-conditioner according to claim 1, it is characterized in that: the length of second portion (102) is the 20-300 millimeter, the length of third part (103) is the 20-300 millimeter.

3, the disjunctor reducing capillary used of refrigerator/air-conditioner according to claim 1, it is characterized in that: the length of second portion (102) is less than the length of third part (103).