CN104483075A - Automobile air conditioner leak detecting device and method high in detection efficiency - Google Patents
Automobile air conditioner leak detecting device and method high in detection efficiency Download PDFInfo
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- CN104483075A CN104483075A CN201410840558.0A CN201410840558A CN104483075A CN 104483075 A CN104483075 A CN 104483075A CN 201410840558 A CN201410840558 A CN 201410840558A CN 104483075 A CN104483075 A CN 104483075A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating 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
- G01M3/22—Investigating 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
- G01M3/222—Investigating 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating 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
- G01M3/202—Investigating 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an automobile air conditioner leak detecting device and method 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
Technical field
The present invention relates to air-conditioning system air-leakage test technical field, more particularly, relate to a kind of car air-conditioner leakage detection apparatus and method of high detection efficiency.
Background technology
Automotive air-conditioning system realizes freezing to air in a car compartment, heats, takes a breath and the device of purification of air.Comfortable environment by bus can be provided for the personnel that ride, reduce the fatigue strength of driver, improve traffic safety.Car air-conditioner has become one of mark weighing automobile function.
In each parts of formed automobile air-conditioning system, the leakage of the core component such as evaporator, condenser will directly cause the inefficacy of air-conditioning system function, so in the production run of air conditioning for automobiles, carrying out sealing property detection to associated components is very important step.In prior art, generally adopt helium to examine to the leak detection of the assembly such as evaporator, condenser parts, the connector of helium checking device is connected with port to be checked, the pipeline of assembly parts is detected one by one.This kind of detection method has often detected once all joint of stopping leakage in the roof to be dismantled and has reinstalled on next port to be checked again, and the operation of each dismounting monitoring tap is very loaded down with trivial details.This kind of retaining valve of expansion valve frequently used for air-conditioning system assembly parts wants the pipeline be attached thereto all to detect, then at least alternately to detect twice, this just cause more to the helium of air-conditioning system inspection number of times, detection efficiency is low, and the serious wear of joint of stopping leakage in the roof, serviceable life is shorter.
Through retrieval, China Patent No. ZL201320593595.7, authorized announcement date on May 21st, 2014, invention and created name is: automotive air-conditioning condenser special helium inspection frock clamp, one end the right and left of this application case clamp base is respectively equipped with No. 1 F.F. folder of a band draw-tube and No. 2 F.F. folders of band draw-tube, be fixed by bolts to respectively in clamp base with No. 1 F.F. folder of draw-tube and No. 2 F.F. folders of band draw-tube, packoff is equipped with in the end being clipped in draw-tube with No. 1 F.F. of draw-tube, admission gear is equipped with in the end being clipped in draw-tube with No. 2 F.F.s of draw-tube, helium draft tube admission gear is equipped with, at the other end of helium draft tube, quick connector is housed.This application case can be inserted condenser easily, fast, accurately by packoff and admission gear respectively by operation F.F. folder and import and export in briquetting, makes the O type circle in packoff damage risk and reduces, and helium inspection False Rate reduces.But this application case complex structure, volume are large and versatility is poor.
China Patent No. ZL201120099562.8, authorized announcement date is on November 2nd, 2011, invention and created name is: leak detection apparatus for automobile air-conditioning pipe, this application case comprises inlet pipe connection, connector and clamp, the inner one end of described connector is provided with the stepped hole A for connecting draft tube, the other end is provided with the stepped hole B for connecting air-conditioning pipe fitting, and one end that connector is connecting air-conditioning pipe fitting is also provided with the Card trough matched with clamp; The end of described inlet pipe connection is positioned at the stepped hole A of connector and is fixedly connected with connector, and the air-conditioning pipe fitting described in during leak detection is assemblied in the stepped hole B of connector, 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 also provided with the connecting hole being convenient to pick and place clamp.This application case is convenient to be connected with air-conditioning pipe fitting, but this application case does not solve helium inspection problem often, and versatility is also poor.
Summary of the invention
1. invent the technical matters that will solve
The object of the invention is to overcome the deficiency that existing car air-conditioner leakage detection apparatus detection efficiency is low, serviceable life is short, provide a kind of car air-conditioner leakage detection apparatus and method of high detection efficiency; Two groups of leak detection unit become one by the present invention, achieve the object once simultaneously detecting two-way pipeline, avoid frequent dismounting monitoring tap, alternately one by one the detection that exists of signal piping often, the problem of low, the monitoring tap serious wear of detection efficiency, and structure is simple, highly versatile, easy to utilize.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
The car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention, comprises the first leak detection unit, the second leak detection unit, integrated adapter and fixed mechanism, wherein:
The first described leak detection unit all fills retracting device with helium with one end of the second leak detection unit and is connected, and the other end of this first leak detection unit and the second leak detection unit is flexibly connected with integrated adapter;
Described integrated adapter comprises two monitoring taps, in the first port to be checked that these two monitoring taps insert parts to be checked respectively and the second port to be checked;
Described fixed mechanism is for fixing integrated adapter in parts to be checked.
Further, the first described leak detection unit comprises the first fast joint, First Transition pipe and the first adapter, and the first fast joint, First Transition pipe and the first adapter are by being welded and fixed, and the first adapter is provided with thread segment away from one end of the first fast joint; The hunt leak structural design of unit of described second leak detection unit and first is identical.
Further, described integrated adapter comprises active joint and fixture splice, and this integrated adapter also offers trepanning, connector receptacle and the first fixed orifice; Described fixture splice and integrated adapter are linked as an entirety, and this fixture splice is connected with connector receptacle, and described connector receptacle is threaded hole, and the second leak detection unit is threaded with integrated adapter by this connector receptacle; Described active joint top offers screw, and this active joint penetrates in trepanning, and the first leak detection unit is threaded with active joint by screw.
Further, described fixed mechanism comprises set bolt, and set bolt is screwed into the second fixed orifice that the first fixed orifice and parts to be checked are offered, and is fixed on parts to be checked by integrated adapter.
The car air-conditioner leak hunting method of a kind of high detection efficiency of the present invention, the steps include:
Step one, size according to the first port to be checked and the second port to be checked in parts to be checked, select the active joint of correspondingly-sized and integrated adapter, by active joint, the first leak detection unit and the second leak detection unit rapid-assembling on integrated adapter;
Step 2, the first leak detection unit, the second leak detection unit are filled retracting device with helium and be connected, and active joint, fixture splice correspondence are inserted in the first port to be checked and the second port to be checked, by set bolt, integrated adapter is fixed on parts to be checked, forms whole car air-conditioner leak detection system;
Step 3, block helium and fill retracting device and the second path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the first port to be checked, coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, detected rear control helium and filled retracting device by helium recovery;
Step 4, block helium and fill retracting device and the first path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the second port to be checked, coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, after detection completes, control helium fills retracting device by helium recovery, and integrated adapter is dismantled by peaceful loose set bolt;
Step 5, repetition step one detect to four follow-up port to be checked.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following beneficial effect:
(1) the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention, first leak detection unit and the second leak detection unit are become one by integrated adapter by it, once can detect two-way pipeline simultaneously, the pipeline be attached thereto once can all detect by this kind of retaining valve of expansion valve frequently used for air-conditioning system assembly parts, avoid the frequent dismounting monitoring tap of tradition, alternately one by one the detection that exists of signal piping often, the problem of low, the monitoring tap serious wear of detection efficiency;
(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 adapter, and to hunt leak path with the first unit composition one that is threaded of hunting leak, its the second leak detection unit and integrated adapter are also threaded connection and form another path of hunting leak, actual can according to the spacing of the size of port to be checked and two ports to be checked when using, active joint, integrated adapter that flexible replacing is different, the detection means of whole leakage detection apparatus is flexible, versatility is stronger.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention;
Fig. 2 is the explosive view of the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present invention.
Label declaration in schematic diagram:
11, the first fast joint; 12, the second fast joint; 21, First Transition pipe; 22, the second transition conduit; 31, the first adapter; 311, thread segment; 32, the second adapter; 4, integrated adapter; 41, trepanning; 42, connector receptacle; 43, the first fixed orifice; 44, active joint; 441, screw; 45, fixture splice; 5, set bolt; 6, parts to be checked; 61, the first port to be checked; 62, the second port to be checked; 63, the second fixed orifice.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the car air-conditioner leakage detection apparatus of a kind of high detection efficiency of the present embodiment, comprises the first leak detection unit, the second leak detection unit, integrated adapter 4 and fixed mechanism.Wherein:
The first described leak detection unit comprises the first fast joint 11, First Transition pipe 21 and the first adapter 31, first fast joint 11, First Transition pipe 21 and the first adapter 31 are by being welded and fixed, and the first adapter 31 is provided with thread segment 311 away from one end of the first fast joint 11.The hunt leak structural design of unit of described second leak detection unit and first is identical, comprise the second fast joint 12, second transition conduit 22 and the second adapter 32, second fast joint 12, second transition conduit 22 and the second adapter 32 are also by being welded and fixed, and the second adapter 32 is also provided with thread segment away from one end of the second fast joint 12.Difference is, the First Transition pipe 21 of the present embodiment is straight tube, and the second transition conduit 22 is bend pipe, and design like this is mainly convenient to be connected with integrated adapter 4, also can design First Transition pipe 21, second transition conduit 22 for other structures according to different situations in application, not repeat them here.In the present embodiment, the first fast joint 11, second fast joint 12 adopts and on salely on the market patches joint fast, can easily and fill retracting device with helium fast and be connected by this first fast joint 11, second fast joint 12.
Described integrated adapter 4 comprises active joint 44 and fixture splice 45, and this integrated adapter 4 also offers trepanning 41, connector receptacle 42 and the first fixed orifice 43.Described fixture splice 45 and integrated adapter 4 are linked as an entirety, and this fixture splice 45 is connected with connector receptacle 42.Described connector receptacle 42 is threaded hole, and the second leak detection unit, by being screwed in connector receptacle 42 by the thread segment of the second adapter 32, is threaded with integrated adapter 4.Described active joint 44 top offers screw 441, this active joint 44 is nested in trepanning 41, first leak detection unit is by being screwed in screw 441 by the thread segment 311 of the first adapter 31, be threaded with active joint 44, because the first adapter 31 and active joint 44 are provided with limited step near the side of integrated adapter 4, and then the first leak detection unit, integrated adapter 4 and active joint 44 can be assembled into one.
Described fixed mechanism is used for fixing integrated adapter 4 in parts 6 to be checked, this fixed mechanism comprises set bolt 5, set bolt 5 is screwed in the second fixed orifice 63 that the first fixed orifice 43 and parts to be checked 6 are offered, and is fixed on parts 6 to be checked by integrated adapter 4.What deserves to be explained is, the present embodiment utilizes a set bolt 5 to fix by integrated adapter 4 and parts 6 to be checked, leakage detection apparatus fixing reliable and installation and removal are all very convenient.And the hole that the second described fixed orifice 63 itself is offered for utilizing parts 6 to be checked, without the need to perforate separately, manufacturing process and the cost of air-conditioning system also can not be increased.
In the present embodiment, integrated adapter 4 and first unit, second of hunting leak is hunted leak unit, comprising disconnected between active joint 44 is an entirety, but employing is threaded or nested mode assembles, design like this mainly considers that the pipeline that air-conditioning system need detect is a lot, the connection port size of each pipeline there are differences, and the position difference of offering of each port to be checked also causes the spacing of two adjacent ports to be checked different.Adopt the structural design of the present embodiment, the active joint 44 of difformity structure and size and integrated adapter 4 arbitrarily can be combined replacing, to adapt to different testing requirements, the set of device using the present embodiment to provide can complete the detection of all pipelines of air-conditioning system each assembly parts, and detection means is flexible, versatility is stronger.In addition, first leak detection unit and the second leak detection unit are become one by integrated adapter 4 by the present embodiment, once can detect two-way pipeline simultaneously, the pipeline be attached thereto once can all detect by this kind of retaining valve of expansion valve frequently used for air-conditioning system assembly parts, avoid the frequent dismounting monitoring tap of tradition, alternately one by one the detection that exists of signal piping often, the problem of monitoring tap serious wear, detection efficiency improves greatly, and the experience of device is also more desirable.
The detailed process utilizing the leakage detection apparatus of the present embodiment to carry out high-level efficiency leak detection is:
Step one, size according to the first port 61 to be checked and the second port 62 to be checked in parts 6 to be checked, select active joint 44 and the integrated adapter 4 of correspondingly-sized, unit and second of being hunted leak by active joint 44, first hunts leak unit rapid-assembling on integrated adapter 4.
Step 2, fast by the first fast joint 11, second fast joint 12 first leak detection unit, the second leak detection unit are filled retracting device with helium and be connected, and by the first port 61 to be checked of active joint 44, fixture splice 45 correspondence insertion parts 6 to be checked and the second port 62 to be checked, be screwed in the first fixed orifice 43, second fixed orifice 63 by set bolt 5, integrated adapter 4 is fixed on parts 6 to be checked, forms whole car air-conditioner leak detection system.
Step 3, block helium and fill retracting device and the second path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the first port 61 to be checked, coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, detected rear control helium and filled retracting device by helium recovery.
Step 4, block helium and fill retracting device and the first path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the second port 62 to be checked, coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, after detection completes, control helium fills retracting device by helium recovery, and integrated adapter 4 is dismantled by peaceful loose set bolt 5.
Step 5, repetition step one detect to four follow-up port 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, highly versatile, and become one by two groups of leak detection unit, achieve the object once simultaneously detecting two-way pipeline, detection efficiency is high, easy to utilize.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (5)
1. a car air-conditioner leakage detection apparatus for high detection efficiency, is characterized in that: comprise the first leak detection unit, the second leak detection unit, integrated adapter (4) and fixed mechanism, wherein:
The first described leak detection unit all fills retracting device with helium with one end of the second leak detection unit and is connected, and the other end of this first leak detection unit and the second leak detection unit is flexibly connected with integrated adapter (4);
Described integrated adapter (4) comprises two monitoring taps, in the first port to be checked (61) that these two monitoring taps insert parts to be checked (6) respectively and the second port to be checked (62);
Described fixed mechanism is used for fixing integrated adapter (4) in parts to be checked (6).
2. the car air-conditioner leakage detection apparatus of a kind of high detection efficiency according to claim 1, it is characterized in that: the first described leak detection unit comprises the first fast joint (11), First Transition pipe (21) and the first adapter (31), first fast joint (11), First Transition pipe (21) and the first adapter (31) are by being welded and fixed, and the first adapter (31) is provided with thread segment (311) away from one end of the first fast joint (11); The hunt leak structural design of unit of described second leak detection unit and first is identical.
3. the car air-conditioner leakage detection apparatus of a kind of high detection efficiency according to claim 2, it is characterized in that: described integrated adapter (4) comprises active joint (44) and fixture splice (45), this integrated adapter (4) also offers trepanning (41), connector receptacle (42) and the first fixed orifice (43); Described fixture splice (45) and integrated adapter (4) are linked as an entirety, this fixture splice (45) is connected with connector receptacle (42), described connector receptacle (42) is threaded hole, and the second leak detection unit is threaded with integrated adapter (4) by this connector receptacle (42); Described active joint (44) top offers screw (441), this active joint (44) penetrates in trepanning (41), and the first leak detection unit is threaded with active joint (44) by screw (441).
4. the car air-conditioner leakage detection apparatus of a kind of high detection efficiency according to Claims 2 or 3, it is characterized in that: described fixed mechanism comprises set bolt (5), set bolt (5) is screwed into the second fixed orifice (63) that the first fixed orifice (43) and parts to be checked (6) are offered, and is fixed on parts to be checked (6) by integrated adapter (4).
5. a car air-conditioner leak hunting method for high detection efficiency, the steps include:
Step one, size according to the first port to be checked (61) and the second port to be checked (62) in parts to be checked (6), select active joint (44) and the integrated adapter (4) of correspondingly-sized, by active joint (44), the first leak detection unit and the second leak detection unit rapid-assembling on integrated adapter (4);
Step 2, the first leak detection unit, the second leak detection unit are filled retracting device with helium and be connected, and active joint (44), fixture splice (45) correspondence are inserted in the first port to be checked (61) and the second port to be checked (62), by set bolt (5), integrated adapter (4) is fixed on parts to be checked (6), forms whole car air-conditioner leak detection system;
Step 3, block helium and fill retracting device and the second path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the first port to be checked (61), coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, detected rear control helium and filled retracting device by helium recovery;
Step 4, block helium and fill retracting device and the first path of hunting leak between unit, control helium fills retracting device and is noted by helium in the pipeline be communicated with the second port to be checked (62), coordinate helium mass spectrometer leak detector to detect described pipeline whether to leak, after detection completes, control helium fills retracting device by helium recovery, and integrated adapter (4) is dismantled by peaceful loose set bolt (5);
Step 5, repetition step one detect to four follow-up port to be checked.
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|---|---|---|---|
| CN201410840558.0A CN104483075B (en) | 2014-12-30 | 2014-12-30 | Automobile air conditioner leak detecting device high in detection efficiency |
| CN201610960199.1A CN106644301B (en) | 2014-12-30 | 2014-12-30 | Vehicle air conditioner leakage detection method with high detection efficiency |
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| CN201410840558.0A CN104483075B (en) | 2014-12-30 | 2014-12-30 | Automobile air conditioner leak detecting device high in detection efficiency |
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| CN201610960199.1A Division CN106644301B (en) | 2014-12-30 | 2014-12-30 | Vehicle air conditioner leakage detection method with high detection efficiency |
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| CN104483075B CN104483075B (en) | 2017-02-22 |
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| CN201410840558.0A Active CN104483075B (en) | 2014-12-30 | 2014-12-30 | Automobile air conditioner leak detecting device high in detection efficiency |
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| CN106525359A (en) * | 2016-10-27 | 2017-03-22 | 中国地质大学（北京） | Plasma discharge cavity labyrinth seal experiment system |
| CN106525359B (en) * | 2016-10-27 | 2018-12-25 | 中国地质大学（北京） | A kind of plasma discharge cavity body labyrinth seal experimental system |
| CN111595529A (en) * | 2020-05-15 | 2020-08-28 | 浙江申通时代汽车销售服务有限公司 | General type vehicle air conditioner pipeline seals and detects frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644301A (en) | 2017-05-10 |
| CN104483075B (en) | 2017-02-22 |
| CN106644301B (en) | 2020-02-07 |
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Address after: No. 10 Yongxing Middle Road, Economic Development Zone, Dangtu County, Ma'anshan City, Anhui Province, 243100 Patentee after: Yida Intelligent Thermal Management Technology (Ma'anshan) Co.,Ltd. Address before: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Patentee before: MAANSHAN YIDA AIR CONDITION CO.,LTD. |
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