CN101738019A - Connecting structure of refrigerant tube - Google Patents
Connecting structure of refrigerant tube Download PDFInfo
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- CN101738019A CN101738019A CN200810153086A CN200810153086A CN101738019A CN 101738019 A CN101738019 A CN 101738019A CN 200810153086 A CN200810153086 A CN 200810153086A CN 200810153086 A CN200810153086 A CN 200810153086A CN 101738019 A CN101738019 A CN 101738019A
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- refrigerant pipe
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Abstract
The invention discloses a connecting structure of a refrigerant tube, which comprises two different refrigerant tubes. One refrigerant tube with uniform diameter is a male connector, and the front end of the other refrigerant tube is a female connector and is processed to form a flaring port, wherein the diameter of the inner wall of the flaring port is greater than that of the outer wall of the male connector. The male connector of the refrigerant tube is inserted into the flaring port corresponding to the female connector of the refrigerant tube, a gap between the inner wall of the flaring port and the outer wall of the male connector is filled by using a solder, the male connector and the female connector are welded and fixed, a plurality of observing through holes are arranged on the flaring port of the refrigerant tube as the female connector at a position close to a connection position of the flaring port and the refrigerant tubes, and the filling condition of the solder in the gap of the flaring port and the male connector can be observed through the observing through holes in welding. Therefore, the welding quality can be intuitionistically checked according to a condition that whether the solder is overflow or not on the one hand, and the poor welding caused by insufficient depth when inserting the refrigerant tube as the male connector into the refrigerant tube as the female connector can be effectively avoided on the other hand.
Description
Technical field
The present invention relates to the technical field of air-conditioner, in particularly a kind of female enlarging in the refrigerant pipe a plurality of observation through holes are set, can see through the observation through hole during welding and see that intuitively scolder reconstitutes the syndeton of the refrigerant pipe of degree between female and male.
Background technology
Air-conditioner is a kind of indoor climate adjusting device, and main composition partly comprises the cooling cycle system of compressor, condenser, throttling device and evaporimeter and the air circulation system that comprises hair-dryer, air channel and inlet and outlet.Air-conditioner is changed to flow back to after its temperature by the evaporimeter of heat-exchange device and condenser again and indoorly realizes refrigeration or heat and function such as clearing damp by drawing room air, so that provide pure and fresh and comfortable indoor air environment for people.
In general, air-conditioner is broadly divided into package AC plant and detachable air conditioner.
Package AC plant all is contained in all parts in the casing, is installed in indoor and outdoor junction.As window air conditioner is exactly a kind of widely used package AC plant, be installed on the room window, from the air inlet inspiration room air of indoor, flow back to from the air outlet of indoor more afterwards by heat exchanger cooling (or intensification) indoor, to realize regulating the effect of indoor temperature.
Detachable air conditioner is made up of indoor set and off-premises station, and the heat exchanger of evaporimeter or condenser effect has been set respectively in indoor set and off-premises station.Cold-producing medium circulates in evaporimeter and condenser by the conduit that connects between indoor set and the off-premises station and carries out the heat exchange circulation, moves with the refrigerating state operation that realizes air-conditioner or the state that heats.
Fig. 1 is the structural representation of air-conditioner in the prior art; Fig. 2 is the schematic diagram of refrigerant pipe connecting structure in the prior art.
As shown in Figure 1 and Figure 2, the air-conditioning of prior art includes indoor set 30 and off-premises station 10.Above-mentioned off-premises station 10 includes compressor reducer 12, outdoor heat converter 14, outdoor blower 16, cubic valve (not shown), and is used to defrost purpose and the structures such as auxiliary heater 20 that heat above-mentioned outdoor heat converter 14; 30 of above-mentioned indoor sets include structures such as indoor heat converter 32, indoor blower 34.Above-mentioned off-premises station 10 and indoor set 30 also include the sensor (not shown) of the temperature of the temperature that is used to detect indoor temperature, outdoor temperature, indoor tube and outdoor piping.
Above-mentioned air-conditioning can carry out kind of refrigeration cycle or the warm circulation of system.
At first, above-mentioned air-conditioning is for carrying out kind of refrigeration cycle, and the refrigerant of compression in the said compressor 12 is moved in the above-mentioned outdoor heat converter 14 by above-mentioned cubic valve, above-mentioned outdoor heat converter 14 will carry out condensation to above-mentioned refrigerant, expansion gear (not shown) expands the refrigerant of above-mentioned outdoor heat converter 14 condensations, and 32 refrigerant evaporations that above-mentioned expansion gear is expanded of above-mentioned indoor heat converter are to reduce indoor temperature.
Secondly, above-mentioned air-conditioning is for making warm circulation time, and the refrigerant of compression in the said compressor 12 is moved in the above-mentioned indoor heat converter 32 by above-mentioned cubic valve, above-mentioned indoor heat converter 32 will carry out condensation to above-mentioned refrigerant, treat to be directed to again in the above-mentioned expansion gear after indoor temperature rises, above-mentioned expansion gear is with the expansion refrigerant and supply in the above-mentioned outdoor heat converter 14, and 14 of above-mentioned outdoor heat converters are used for carrying out between refrigerant and the outdoor air heat exchange.
In addition, the auxiliary heater 20 that is installed on above-mentioned off-premises station 10 is used for removing the icing phenomenon that above-mentioned outdoor heat converter 14 produces at the warm circulation time of system.
The refrigerant pipe of transmission refrigerant generally adopts copper material in the air-conditioner structure of prior art, different refrigerant pipe fittings are fixed together by welding, comprise two different refrigerant pipes in the syndeton of refrigerant pipe, wherein the uniform refrigerant pipe of diameter is called as male 40, and another root refrigerant pipe is processed to form the enlarging 42 of diameter greater than the male diameter at front end, this end refrigerant pipe is called as female 41, the male of refrigerant pipe is inserted in the enlarging of corresponding refrigerant pipe female, use the space between scolder filling enlarging inwall and the male outer wall, and male and female welding is fixing.
But there is following problem in the prior art:
In welding process, the scolder filling operation of the inside, space between female enlarging and male is sightless, can only just can detect by specific equipment, because welding is finished by different equipment with detection, device translates all needs the corresponding time each time in actual production, usually all the leakage detection is carried out in the welding position unification weld all refrigerant Guan Houcai, if the insufficient solder connection generation rosin joint of filling between the refrigerant pipe at this moment, then can be used as qualified products equally detects by leakage, and in fact product is defective, rosin joint partly separates after air-conditioner uses a period of time, thereby causes coolant leakage to cause the air-conditioner operational failure.
Summary of the invention
The technical problem to be solved in the present invention provides in a kind of female enlarging in the refrigerant pipe a plurality of observation through holes is set, and can see through the observation through hole during welding and see that intuitively scolder reconstitutes the syndeton of the refrigerant pipe of degree between female and male.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The syndeton of refrigerant pipe of the present invention, comprise two different refrigerant pipes, wherein the uniform refrigerant pipe of diameter is called as male, and another root refrigerant pipe is processed to form the enlarging of inner diameter greater than the male outer diameter at front end, this end refrigerant pipe is called as female, the male of refrigerant pipe is inserted in the enlarging of corresponding refrigerant pipe female, use the space between scolder filling enlarging inwall and the male outer wall, and it is male and female welding is fixing, in the enlarging of female refrigerant pipe, link position near enlarging and refrigerant pipe is provided with a plurality of observation through holes, sees through the filling situation that through hole can be seen scolder in the gap of enlarging and male of observing when welding.
Have proportionate relationship between the flared part diameter of the diameter of described observation through hole and female, the ratio between the diameter of observation through hole and the flared part diameter of female is 1: 10-1: between 5.
Described observation through hole is to arrange in pairs, and the every pair of center of observing through hole is all about the axle center symmetry of refrigerant pipe.
Advantage and good effect that the present invention has are:
In the syndeton of refrigerant pipe of the present invention, in the enlarging of female refrigerant pipe, be provided with a plurality of observation through holes near the link position of enlarging and refrigerant pipe, when welding, see through the filling situation that through hole can be seen scolder in the gap of enlarging and male of observing, when solder fusing and fill up enlarging and male between the slit time, from observe through hole, can see that scolder evenly is covered with the observation through hole in the female enlarging, and have a small amount of scolder and from observe through hole, overflow.If all have scolder to overflow in the observation through hole of a plurality of symmetries, the scolder that then can judge intuitively in the gap of enlarging and male is covered with fully.Because observing the position of through hole is arranged near the junction of female enlarging and female refrigerant pipe, see through and observe through hole, can check out welding quality by whether overflowing of scolder intuitively on the one hand, the failure welding that is caused owing to the degree of depth deficiency of inserting combination in the time of also can avoiding male refrigerant pipe to be inserted into female refrigerant pipe on the other hand effectively.
Description of drawings
Fig. 1 is the structural representation of air-conditioner in the prior art;
Fig. 2 is the schematic diagram of refrigerant pipe connecting structure in the prior art;
Fig. 3 is the schematic diagram of the syndeton of refrigerant pipe of the present invention;
Fig. 4 is the schematic diagram of female refrigerant pipe in the syndeton of refrigerant pipe of the present invention.
The specific embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.
Fig. 3 is the schematic diagram of the syndeton of refrigerant pipe of the present invention; Fig. 4 is the schematic diagram of female refrigerant pipe in the syndeton of refrigerant pipe of the present invention.
As Fig. 3, shown in Figure 4, the syndeton of refrigerant pipe of the present invention, comprise two different refrigerant pipes, wherein the uniform refrigerant pipe of diameter is called as male 40, and another root refrigerant pipe is processed to form the enlarging 42 of inner diameter greater than the male outer diameter at front end, this end refrigerant pipe is called as female 41, when two sections refrigerant pipes connect, the male of refrigerant pipe is inserted in the enlarging of corresponding refrigerant pipe female, space between enlarging and male is kept evenly as far as possible, do not come in contact between female and the male, plug-in position to male and female welds, make the space between scolder filling enlarging inwall and the male outer wall, and male and female welding is fixing, in the enlarging of female refrigerant pipe, link position near enlarging and refrigerant pipe is provided with a plurality of observation through holes 43, if the filling of scolder is normally carried out when welding, then welding proceeds to certain phase, sees through the filling situation that through hole can be seen scolder in the gap of enlarging and male of observing.
There is proportionate relationship between the diameter of observation through hole and the flared part diameter of female, observe through hole such as excessively then can influence the weld strength between female and male in the welding, can cause observing scolder degree observed in the through hole if the observation through hole is too small and not possess with reference to property, the ratio between the diameter of observation through hole and the flared part diameter of female can guarantee above-mentioned specification requirement simultaneously in 1: 10.
Observing through hole is to arrange in pairs, the every pair of center of observing through hole is all about the axle center symmetry of refrigerant pipe, the observation through hole is symmetrical arranged the observation that can make the scolder filling operation like this and has more comprehensive, and just be not confined to bias toward scolder filling on a certain direction, avoid because of observing the error in judgement that deviation causes.
In the syndeton of refrigerant pipe of the present invention, in the enlarging of female refrigerant pipe, be provided with a plurality of observation through holes near the link position of enlarging and refrigerant pipe, when welding, see through the filling situation that through hole can be seen scolder in the gap of enlarging and male of observing, when solder fusing and fill up enlarging and male between the slit time, from observe through hole, can see that scolder evenly is covered with the observation through hole in the female enlarging, and have a small amount of scolder and from observe through hole, overflow.If all have scolder to overflow in the observation through hole of a plurality of symmetries, the scolder that then can judge intuitively in the gap of enlarging and male is covered with fully.Because observing the position of through hole is arranged near the junction of female enlarging and female refrigerant pipe, see through and observe through hole, can check out welding quality by whether overflowing of scolder intuitively on the one hand, the failure welding that is caused owing to the degree of depth deficiency of inserting combination in the time of also can avoiding male refrigerant pipe to be inserted into female refrigerant pipe on the other hand effectively.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention with preferred embodiment openly as above, yet, be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, be the content that does not break away from technical solution of the present invention in every case, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all belong in the scope of technical solution of the present invention.
Claims (3)
1. the syndeton of a refrigerant pipe, comprise two different refrigerant pipes, wherein the uniform refrigerant pipe of diameter is a male, and another root refrigerant pipe is processed to form the enlarging of inner diameter greater than the male outer diameter at front end, this end refrigerant pipe is a female, the male of refrigerant pipe is inserted in the enlarging of corresponding refrigerant pipe female, use the space between scolder filling enlarging inwall and the male outer wall, and it is male and female welding is fixing, it is characterized in that: in the enlarging of female refrigerant pipe, link position near enlarging and refrigerant pipe is provided with a plurality of observation through holes, sees through the filling situation that through hole can be seen scolder in the gap of enlarging and male of observing when welding.
2. the syndeton of refrigerant pipe according to claim 1 is characterized in that: have proportionate relationship between the diameter of observation through hole and the flared part diameter of female, the ratio between the diameter of observation through hole and the flared part diameter of female is 1: 20-1: between 5.
3. the syndeton of refrigerant pipe according to claim 1 is characterized in that: observing through hole is to arrange in pairs, and the every pair of center of observing through hole is all about the axle center symmetry of refrigerant pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810153086A CN101738019A (en) | 2008-11-14 | 2008-11-14 | Connecting structure of refrigerant tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810153086A CN101738019A (en) | 2008-11-14 | 2008-11-14 | Connecting structure of refrigerant tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101738019A true CN101738019A (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810153086A Pending CN101738019A (en) | 2008-11-14 | 2008-11-14 | Connecting structure of refrigerant tube |
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| CN (1) | CN101738019A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853180A (en) * | 2011-10-09 | 2013-01-02 | 浙江三花制冷集团有限公司 | Connecting pipe, manufacture method of connecting pipe and air conditioning system |
| CN106052209A (en) * | 2016-07-11 | 2016-10-26 | 珠海格力电器股份有限公司 | Liquid separation device and air conditioner with same |
| CN106403110A (en) * | 2016-10-12 | 2017-02-15 | 广东申菱环境系统股份有限公司 | Louver type flexible connection air conditioning system and control method thereof |
| CN106500523A (en) * | 2016-11-02 | 2017-03-15 | 泰州三福船舶工程有限公司 | A kind of New Marine cargo oil heating steam pipe coil |
| CN107112652A (en) * | 2014-12-31 | 2017-08-29 | 深圳市大富科技股份有限公司 | Cavity body filter and its connector |
-
2008
- 2008-11-14 CN CN200810153086A patent/CN101738019A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853180A (en) * | 2011-10-09 | 2013-01-02 | 浙江三花制冷集团有限公司 | Connecting pipe, manufacture method of connecting pipe and air conditioning system |
| CN107112652A (en) * | 2014-12-31 | 2017-08-29 | 深圳市大富科技股份有限公司 | Cavity body filter and its connector |
| CN107112652B (en) * | 2014-12-31 | 2019-07-26 | 深圳市大富科技股份有限公司 | Cavity body filter and its connector |
| CN106052209A (en) * | 2016-07-11 | 2016-10-26 | 珠海格力电器股份有限公司 | Liquid separation device and air conditioner with same |
| CN106052209B (en) * | 2016-07-11 | 2019-08-16 | 珠海格力电器股份有限公司 | Liquid distributing device and air conditioner with it |
| CN106403110A (en) * | 2016-10-12 | 2017-02-15 | 广东申菱环境系统股份有限公司 | Louver type flexible connection air conditioning system and control method thereof |
| CN106500523A (en) * | 2016-11-02 | 2017-03-15 | 泰州三福船舶工程有限公司 | A kind of New Marine cargo oil heating steam pipe coil |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100616 |