CN104483075B - Automobile air conditioner leak detecting device high in detection efficiency - Google Patents

Automobile air conditioner leak detecting device high in detection efficiency Download PDF

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Publication number
CN104483075B
CN104483075B CN201410840558.0A CN201410840558A CN104483075B CN 104483075 B CN104483075 B CN 104483075B CN 201410840558 A CN201410840558 A CN 201410840558A CN 104483075 B CN104483075 B CN 104483075B
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China
Prior art keywords
adaptor
leak detection
detection unit
checked
joint
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CN201410840558.0A
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Chinese (zh)
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CN104483075A (en
Inventor
王险峰
孙建海
孙斌
王成仪
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MA'ANSHAN YIDA AIR CONDITIONING Co Ltd
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MA'ANSHAN YIDA AIR CONDITIONING Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/22Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/222Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/202Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems

Abstract

The invention discloses an automobile air conditioner leak detecting device high in detection efficiency, and belongs to the technical field of airtightness detection of an air conditioner system. The automobile air conditioner leak detecting device high in detection efficiency comprises a first leak detecting unit, a second leak detecting unit, an integrated adapter and a fixing mechanism, wherein one end of the first leak detecting unit and one end of the second leak detecting unit are connected with a helium injection and recovery device, and the other end of the first leak detecting unit and the other end of the second leak detecting unit are movably connected with the integrated adapter; the integrated adapter comprises two leak detecting connectors inserted into a first port to be detected and a second port to be detected of a component to be detected respectively; the fixing mechanism is used for fixing the integrated adapter to the component to be detected. The two sets of leak detecting units are integrated, the purpose that two pipelines are detected at a time is realized, the detection efficiency is high, and the automobile air conditioner leak detecting device is simple in structure, high in universality and convenient to apply and popularize.

Description

A kind of car air-conditioner leakage detection apparatus of high detection efficiency
Technical field
The present invention relates to air conditioning system air-leakage test technical field, more particularly, it relates to a kind of high detection efficiency Car air-conditioner leakage detection apparatus.
Background technology
Automotive air-conditioning system be realize air in a car compartment carried out freezing, heat, taking a breath and air cleaning device.Can There is provided comfortable environment by bus for passenger, reduce the fatigue strength of driver, improve traffic safety.Car air-conditioner becomes Weigh one of mark of automobile function.
In each part of formed automobile air conditioning system, the leakage of the core component such as vaporizer, condenser will result directly in The inefficacy of air conditioning system function, so in the production process of air conditioning for automobiles, carry out sealing property detection right and wrong to associated components Often important step.In prior art, the leak detection to the assembly part such as vaporizer, condenser typically adopts helium to examine, and helium is examined dress The union joint put is connected with port to be checked, and the pipeline of assembly part is detected one by one.This kind of detection method has often detected one Secondary be intended to joint of stopping leakage in the roof is dismantled reinstall to again on next port to be checked, and the operation of each dismounting monitoring tap is very numerous Trivial.This kind of check valve of expansion valve that air conditioning system assembly part is frequently used is wanted all to examine the pipeline being attached thereto Survey, then at least will alternately detect twice, it is low that this results in, detection efficiency more to the helium of air conditioning system inspection number of times, and stop leakage in the roof and connect The serious wear of head, service life is shorter.
Through retrieval, China Patent No. ZL201320593595.7, authorized announcement date on May 21st, 2014, innovation and creation name Referred to as:The special helium of automotive air-conditioning condenser examines frock clamp, and one end the right and left of this application case clamp base is respectively equipped with one The folder of No. 1 F.F. with telescoping tube and No. 2 F.F.s folders with telescoping tube, No. 1 F.F. folder with telescoping tube and No. 2 with telescoping tube fast Enter folder to be respectively bolted in clamp base, No. 1 F.F. with telescoping tube is clipped in the end of telescoping tube equipped with sealing device, No. 2 F.F.s with telescoping tube are clipped in the end of telescoping tube equipped with air intake installation, equipped with helium air inlet pipe on air intake installation, in helium The other end of air inlet pipe is equipped with quick connector.This application case pass through to operate F.F. folder can easily, fast, accurately by sealing device Insert condenser respectively with air intake installation to import and export in briquetting, make the O-ring in sealing device damage risk reduction, helium inspection erroneous judgement Rate reduces.But this application case complex structure, volume is big and versatility is poor.
China Patent No. ZL201120099562.8, authorized announcement date is on November 2nd, 2011, and invention and created name is: Leak detection apparatus for automobile air-conditioning pipe, this application case includes inlet pipe connection, union joint and clamp, and the internal one end of described union joint sets There is the stepped hole A for connecting air inlet pipe, the other end is provided with the stepped hole B for connecting air-conditioning pipe fitting, and union joint is even The one end connecing air-conditioning pipe fitting is additionally provided with the Card trough matching with clamp;The end of described inlet pipe connection is located at union joint It is fixedly connected in stepped hole A and with union joint, the air-conditioning pipe fitting described in during leak detection is assemblied in the stepped hole B of union joint, and The shaft shoulder on air-conditioning pipe fitting is stuck on described clamp;Described clamp and Card trough are U-shaped structure;Clamp end is additionally provided with It is easy to pick and place the connecting hole of clamp.This application case is easy to be connected with air-conditioning pipe fitting, but this application case does not have solution helium inspection number of times Many problems, and versatility is also poor.
Content of the invention
1. invent technical problem to be solved
It is an object of the invention to overcoming the shortcomings of that existing car air-conditioner leakage detection apparatus detection efficiency is low, service life is short, Provide a kind of car air-conditioner leakage detection apparatus of high detection efficiency and method;Two groups of leak detection units are become one by the present invention, Achieve the purpose once simultaneously detecting two-way pipeline, it is to avoid frequent dismounting monitoring tap, alternately signal piping exists one by one Detection often, detection efficiency is low, the problem of monitoring tap serious wear, and structure is simple, highly versatile, and being easy to promote should With.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is:
A kind of car air-conditioner leakage detection apparatus of the high detection efficiency of the present invention, single including the first leak detection unit, the second leak detection First, integrated adaptor and fixed mechanism, wherein:
One end of the first described leak detection unit and the second leak detection unit is all connected with helium filling retracting device, and this first The other end of leak detection unit and the second leak detection unit is flexibly connected with integrated adaptor;
Described integrated adaptor includes two monitoring taps, and this two monitoring taps insert the first of part to be checked respectively In port to be checked and the second port to be checked;
Described fixed mechanism is used for fixing integrated adaptor in part to be checked.
Further, the first described leak detection unit includes the first fast joint, First Transition pipe and the first adaptor, the One fast joint, First Transition pipe and the first adaptor pass through to be welded and fixed, and the first adaptor sets away from one end of the first fast joint It is equipped with thread segment;The second described leak detection unit is identical with the structure design of the first leak detection unit.
Further, described integrated adaptor includes active joint and anchor tip, and this integrated adaptor also opens up There are set hole, connector receptacle and the first fixing hole;Described anchor tip and integrated adaptor be linked as one overall, this anchor tip with Connector receptacle is connected, and described connector receptacle is screwed hole, and the second leak detection unit passes through this connector receptacle and integrated adaptor Threaded;Described active joint top offers screw, and this active joint penetrates in set hole, and the first leak detection unit passes through spiral shell Threadeded with active joint in hole.
Further, described fixed mechanism includes fixing bolt, and fixing bolt is screwed into the first fixing hole and to be checked The second fixing hole opening up on part, integrated adaptor is fixed on part to be checked.
A kind of car air-conditioner leak hunting method of high detection efficiency of the present invention, its step is:
Step one, the size according to the first port to be checked and the second port to be checked in part to be checked, select correspondingly-sized Active joint and integrated adaptor, active joint, the first leak detection unit and the second leak detection unit are quickly assembled in integrated switching On head;
Step 2, unit that first is hunted leak, the second leak detection unit are connected with helium filling retracting device, and activity are connect In head, anchor tip corresponding insertion the first port to be checked and the second port to be checked, by fixing bolt, integrated adaptor is fixed On part to be checked, form whole car air-conditioner leak detection system;
Step 3, block helium fill retracting device and second leak detection unit between path, control helium filling reclaim Helium is noted in the pipeline connecting with the first port to be checked by device, and cooperation helium mass spectrometer leak detector detects whether described pipeline is let out Leakage, controls helium filling retracting device by helium recovery after the completion of detection;
Step 4, block helium fill retracting device and first leak detection unit between path, control helium filling reclaim Helium is noted in the pipeline connecting with the second port to be checked by device, and cooperation helium mass spectrometer leak detector detects whether described pipeline is let out Leakage, after the completion of detection, integrated adaptor is dismantled by control helium filling retracting device by helium recovery, rather loose fixing bolt;
Step 5, repeat step one to four detect to port subsequently to be checked.
3. beneficial effect
The technical scheme being provided using the present invention, compared with existing known technology, is had the advantages that:
(1) the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention, it passes through integrated adaptor and examines first Leakage unit and the second leak detection unit become one, and once can detect two-way pipeline, for air conditioning system assembly part frequency simultaneously The pipeline being attached thereto once can all be detected by this kind of check valve of the numerous expansion valve used, it is to avoid traditional frequent dismounting inspection Drain terminals, the detection that alternately signal piping exists one by one is often, detection efficiency is low, the problem of monitoring tap serious wear;
(2) the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention, its active joint is nested in integrated switching In head, and threaded composition one leak detection path with the first leak detection unit, its second leak detection unit and integrated adaptor also by Another leak detection path of threaded composition, can be according between the size of port to be checked and two ports to be checked when actually used Away from, the flexibly different active joints of replacing, integrated adaptor, the detection meanss of whole leakage detection apparatus are flexible, versatility is higher.
Brief description
Fig. 1 is a kind of assembly structure diagram of the car air-conditioner leakage detection apparatus of high detection efficiency of the present invention;
Fig. 2 is a kind of explosive view of the car air-conditioner leakage detection apparatus of high detection efficiency of the present invention.
Label declaration in schematic diagram:
11st, the first fast joint;12nd, the second fast joint;21st, First Transition pipe;22nd, the second transition conduit;31st, the first switching Head;311st, thread segment;32nd, the second adaptor;4th, integrated adaptor;41st, cover hole;42nd, connector receptacle;43rd, the first fixing hole; 44th, active joint;441st, screw;45th, anchor tip;5th, fixing bolt;6th, part to be checked;61st, the first port to be checked;62nd, Two ports to be checked;63rd, the second fixing hole.
Specific embodiment
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of car air-conditioner leakage detection apparatus of high detection efficiency of the present embodiment, including the first leak detection Unit, the second leak detection unit, integrated adaptor 4 and fixed mechanism.Wherein:
The first described leak detection unit includes the first fast joint 11, First Transition pipe 21 and the first adaptor 31, and first is fast Joint 11, First Transition pipe 21 and the first adaptor 31 pass through to be welded and fixed, and the first adaptor 31 is away from the first fast joint 11 One end is provided with thread segment 311.The second described leak detection unit is identical with the structure design of the first leak detection unit, fast including second Joint 12, the second transition conduit 22 and the second adaptor 32, the second fast joint 12, the second transition conduit 22 and the second adaptor 32 also lead to Cross and be welded and fixed, the second adaptor 32 is also equipped with thread segment away from one end of the second fast joint 12.Except that, this enforcement The First Transition pipe 21 of example is straight tube, and the second transition conduit 22 is bend pipe, is so designed that and is primarily to facilitate with integrated adaptor 4 even Connect, also can design First Transition pipe 21 according to different situations in application, the second transition conduit 22 is other structures, here is no longer superfluous State.First fast joint 11 in the present embodiment, the second fast joint 12 quickly patch joint using on sale on the market, by this first Fast joint 11, the second fast joint 12 can easily and quickly with helium filling retracting device be connected.
Described integrated adaptor 4 includes active joint 44 and anchor tip 45, and this integrated adaptor 4 is further opened with covering hole 41st, connector receptacle 42 and the first fixing hole 43.Described anchor tip 45 and integrated adaptor 4 are linked as an entirety, and this fixation connects 45 are connected with connector receptacle 42.Described connector receptacle 42 is screwed hole, and the second leak detection unit passes through the second adaptor 32 thread segment is screwed in connector receptacle 42, threadeds with integrated adaptor 4.Described active joint 44 top offers spiral shell Hole 441, this active joint 44 is nested in set hole 41, and the first leak detection unit passes through to twist the thread segment 311 of the first adaptor 31 Enter in screw 441, threaded with active joint 44, because the first adaptor 31 and active joint 44 are near integrated adaptor 4 Side be provided with limited step, and then the first leak detection unit, integrated adaptor 4 and active joint 44 can be assembled into one Body.
Described fixed mechanism is used for fixing integrated adaptor 4 in part 6 to be checked, and this fixed mechanism includes fixing bolt 5, fixing bolt 5 is screwed in the second fixing hole 63 open up on the first fixing hole 43 and part to be checked 6, by integrated adaptor 4 It is fixed on part 6 to be checked.What deserves to be explained is, the present embodiment utilize fixing bolt 5 will integrated adaptor 4 with to be checked Part 6 fixation, the fixation of leakage detection apparatus is reliable and mounts and dismounts all very convenient.And the second described fixing hole 63 is utilization The hole that part 6 to be checked opens up in itself, need not separately perforate, also will not increase manufacturing process and the cost of air conditioning system.
Integrated adaptor 4 and the first leak detection unit, the second leak detection unit in the present embodiment, between active joint 44 Disconnected is an entirety, but is assembled by the way of threaded or nested, is so designed that and mainly considers air-conditioning Pipeline that system need to detect is a lot, and the connection port size of each pipeline has differences, and each port to be checked to open up position different Also lead to the spacing of two adjacent ports to be checked different.Using the structure design of the present embodiment, can be by different shape structure and chi Very little active joint 44 and integrated adaptor 4 are optionally combined replacing, are required with the detection adapting to different, are provided using the present embodiment Set of device can complete the detection of all pipelines of air conditioning system each assembly part, detection meanss are flexible, versatility is higher.This Outward, the first leak detection unit and the second leak detection unit are become one by the present embodiment by integrated adaptor 4, once can examine simultaneously Survey two-way pipeline, this kind of check valve of expansion valve frequently used for air conditioning system assembly part once can will be attached thereto Pipeline all detects, it is to avoid traditional frequent dismounting monitoring tap, the detection that alternately signal piping exists one by one often, leak detection The serious problem of joints wear, detection efficiency greatly improves, and the experience of device is also more preferable.
Using the detailed process that the leakage detection apparatus of the present embodiment carry out high efficiency leak detection it is:
Step one, the size according to the in part 6 to be checked first port 61 to be checked and the second port 62 to be checked, select corresponding chi Very little active joint 44 and integrated adaptor 4, active joint 44, first leak detection unit and the second leak detection unit are quickly assembled in On integrated adaptor 4.
Step 2, by the first fast joint 11, the second fast joint 12 quick by first hunt leak unit, the second leak detection unit with Helium filling retracting device is connected, and the first port to be checked by active joint 44, anchor tip 45 corresponding insertion part 6 to be checked 61 and second in port 62 to be checked, is screwed into the first fixing hole 43 by fixing bolt 5, in the second fixing hole 63, by integrated switching 4 are fixed on part 6 to be checked, form whole car air-conditioner leak detection system.
Step 3, block helium fill retracting device and second leak detection unit between path, control helium filling reclaim Helium is noted in the pipeline connecting with the first port 61 to be checked by device, and cooperation helium mass spectrometer leak detector detects whether described pipeline is let out Leakage, controls helium filling retracting device by helium recovery after the completion of detection.
Step 4, block helium fill retracting device and first leak detection unit between path, control helium filling reclaim Helium is noted in the pipeline connecting with the second port 62 to be checked by device, and cooperation helium mass spectrometer leak detector detects whether described pipeline is let out Leakage, after the completion of detection, integrated adaptor 4 is dismantled by control helium filling retracting device by helium recovery, rather loose fixing bolt 5.
Step 5, repeat step one to four detect to port subsequently to be checked.
The car air-conditioner leakage detection apparatus of a kind of high detection efficiency described in embodiment 1 and method, structure is simple, versatility By force, two groups of leak detection units are become one it is achieved that once detect the purpose of two-way pipeline simultaneously, detection efficiency is high, is easy to Popularization and application.
Below schematically the present invention and embodiments thereof are described, this description does not have restricted, institute in accompanying drawing Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative Similar frame mode and embodiment, all should belong to protection scope of the present invention.

Claims (3)

1. a kind of car air-conditioner leakage detection apparatus of high detection efficiency it is characterised in that:Single including the first leak detection unit, the second leak detection First, integrated adaptor (4) and fixed mechanism, wherein:
One end of the first described leak detection unit and the second leak detection unit is all connected with helium filling retracting device, this first leak detection The other end of unit and the second leak detection unit is flexibly connected with integrated adaptor (4);The first described leak detection unit includes first Fast joint (11), First Transition pipe (21) and the first adaptor (31), the first fast joint (11), First Transition pipe (21) and first Adaptor (31) passes through to be welded and fixed, and the first adaptor (31) is provided with thread segment away from one end of the first fast joint (11) (311);Described First Transition pipe (21) is straight tube, and the first fast joint (11) is using quickly patching joint;The second described inspection Leakage unit is essentially identical with the structure design of the first leak detection unit, except that second transition conduit (22) of the second leak detection unit For bend pipe;
Described integrated adaptor (4) includes two monitoring taps, and this two monitoring taps insert the of part to be checked (6) respectively In one port (61) to be checked and the second port (62) to be checked;
Described fixed mechanism is used for fixing integrated adaptor (4) in part to be checked (6).
2. a kind of high detection efficiency according to claim 1 car air-conditioner leakage detection apparatus it is characterised in that:Described collection Adaptor (4) is become to include active joint (44) and anchor tip (45), this integrated adaptor (4) is further opened with covering hole (41), connects Head jack (42) and the first fixing hole (43);Described anchor tip (45) and integrated adaptor (4) are linked as an entirety, and this is fixed Joint (45) is connected with connector receptacle (42), and described connector receptacle (42) is screwed hole, and the second leak detection unit is connect by this Head jack (42) is threadeded with integrated adaptor (4);Described active joint (44) top offers screw (441), this work Dynamic joint (44) penetrates in set hole (41), and the first leak detection unit is threadeded with active joint (44) by screw (441).
3. a kind of high detection efficiency according to claim 1 and 2 car air-conditioner leakage detection apparatus it is characterised in that:Described Fixed mechanism include fixing bolt (5), fixing bolt (5) is screwed into and opens up on the first fixing hole (43) and part to be checked (6) The second fixing hole (63), integrated adaptor (4) is fixed on part to be checked (6).
CN201410840558.0A 2014-12-30 2014-12-30 Automobile air conditioner leak detecting device high in detection efficiency Active CN104483075B (en)

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