CN101852669A - Leak detection device for auto air condition receiver drier and application method thereof - Google Patents
Leak detection device for auto air condition receiver drier and application method thereof Download PDFInfo
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- CN101852669A CN101852669A CN 201010176365 CN201010176365A CN101852669A CN 101852669 A CN101852669 A CN 101852669A CN 201010176365 CN201010176365 CN 201010176365 CN 201010176365 A CN201010176365 A CN 201010176365A CN 101852669 A CN101852669 A CN 101852669A
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Abstract
The invention discloses a leak detection device for an auto air condition receiver drier and an application method thereof, which relates to a link detection technology and belongs to the technical field of pressure vessel detection. The leak detection device mainly comprises a workbench, a handle, a handspike, a pressure plate, a steel thread support bracket, an air tap, a pressurized-water mechanism, a lighting device, an operation keyboard, a timer and a counter. The method comprises the following steps: placing a drier to be detected on the steel thread support bracket in an inspection pool, and plugging the air tap; rotating the handle to drive the handspike to move the pressure plate; respectively utilizing the press plate and a rubber plate to tightly compress the two ends of the drier to be detected; trampling a pedal to the lowest end so as to lead a pressurized-water plate to press the water in a water storage chamber into the inspection pool through drain holes; carrying out voltage limiting inflation on the drier; and finally observing whether bubbles bubble up from the surface of the drier in the inspection pool within the given time so as to judge the gas tightness of the drier and mark. The invention has the functions of counting and timing, and has the advantages of simple and convenient operation, high efficiency, higher inspection precision, low cost and suitability for being used in link detection of various auto air condition receiver-driers.
Description
Technical field
The present invention relates to the leakage detection apparatus and the using method thereof of pressure vessel leak hunting technology, particularly a kind of auto air condition receiver drier.
Background technology
Leak detection mainly is to check by detecting medium (gas or liquid) whether tested pressure vessel has small opening to exist, and measures a kind of lossless detection method small opening size, that defective is carried out quantitatively, located according to detecting medium.Because the material difference, leak hunting method is also inequality, and comparatively Chang Yong method has infiltration leak detecting, container pressurising leak detecting, ammonia leak detecting, acoustic emission leak detecting etc.To satisfy under the tested pressure vessel requirement condition satisfied, consider the simplicity of economy and operation.The general container pressurising leak detecting that adopts of existing auto air condition receiver drier leak detection, but, need instrument to carry out clamping because this body structure of exsiccator is difficult for preserving gas, it is cumbersome to operate, and can't measure the nitrogen actual pressure that charges into exsiccator; Anchor clamps are heavier, complicated operation, and labour intensity is big; Do not have special-purpose timer, should not hold detection time; Do not have private counter, need the artificial qualification rate of calculating; Detection efficiency is very low; Workman's fatigue influences bigger to the confidence level of testing result.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of leak detection device for auto air condition receiver drier and using method thereof are provided.
Leak detection device for auto air condition receiver drier comprises worktable, handle, push rod, operation keyboard, pedal, the rotating shaft next time of setting-out plate, the product frame, crank, the crank up axle, nitrogen storage tank, revolving shaft on the setting-out plate, setting-out plate stroke groove, counter, lighting device, dust excluding plate, backboard, rubber slab, valve, exsiccator), the steel wire bracing frame, pressing plate, the check pond, the water storage cavity sewage draining exit, rain glass, timer, the pond sewage draining exit, the inlet opening, the setting-out plate, water storage cavity, osculum, the water storage cavity lid, first air pressure valve, second air pressure valve, the 3rd air pressure valve, with reference to exsiccator, pressure transducer and process chip; Bench-top is provided with dust excluding plate, and dust excluding plate bottom is provided with lighting device; The worktable middle part is provided with the check pond, and trailing flank is provided with rubber slab in the check pond, and rubber slab is provided with valve, and the below is an osculum in the middle of the valve, and the left and right face in side, pond is respectively equipped with the steel wire bracing frame in the check pond; Check pond inner bottom surface is provided with glass-mirror; Worktable middle part front end is provided with dead eye, and handle combines and pass dead eye with push rod by being threaded, push rod one end and the pressing plate welding of checking band taper hole in the pond, and the trailing flank in check pond is provided with rubber slab; Check pond left surface is respectively equipped with inlet opening and pond sewage draining exit, and the inlet opening is connected with running water pipe, and pond sewage draining exit and middle part, water storage cavity lower end water storage cavity sewage draining exit all are communicated with blow-off line; The worktable bottom is provided with setting-out mechanism, and setting-out mechanism is made up of revolving shaft, water storage cavity sewage draining exit, crank up axle, the rotating shaft next time of setting-out plate, setting-out plate, water storage cavity, water storage cavity lid and setting-out plate stroke groove on pedal, crank, the setting-out plate; Water storage cavity is connected with the check pond by the osculum at the trailing flank middle part in check pond, the water storage cavity top is provided with the rotating shaft next time of dustproof water storage cavity lid setting-out plate lower end dress setting-out plate, revolving shaft on the setting-out plate is loaded onto in setting-out plate upper end, revolving shaft passes setting-out plate stroke groove and is connected with the small end of pedal on the setting-out plate, one end of crank is connected with the lower end of pedal rod, and the other end of crank is connected with crank up axle on being installed in worktable; The setting-out plate is pressed into the check pond with water by osculum, and the worktable next door is placed with the product frame of nitrogen storage tank and band pressure transducer; The water storage cavity rear is provided with the backboard that hides whole worktable; The Circuits System of monitor station comprises that lighting device, counter, timer, operation keyboard, first air pressure valve, second air pressure valve, the 3rd air pressure valve, counter and timer link to each other with operation keyboard by control circuit, electric wire is installed on inner chamber between worktable and the backboard, first air pressure valve, second air pressure valve and the 3rd air pressure valve except by control circuit with operation keyboard is connected, also link to each other with nitrogen storage tank by loading line, Kong Yudi three air pressure valves with reference to exsiccator connect, and another hole is connected with rain glass; The product frame is connected with process chip, pressure transducer and operation keyboard by circuit.
The using method of leak detection device for auto air condition receiver drier may further comprise the steps:
1) exsiccator to be detected is put on the steel wire bracing frame, valve is filled in the air-filled pore of exsiccator to be detected;
2) rotary handle moves axially push rod, promotes the end that pressing plate compresses exsiccator to be detected, and rubber slab compresses the other end of exsiccator to be detected, and exsiccator is in sealing state;
3) down pedal arrives bottom;
When 4) treating that water is static, the gas-filled switching tube of start-up operation keyboard, when rain glass reaches 3.4MPa pressure, the gas-filled switching tube of shutoff operation keyboard;
5) time switch of start-up operation keyboard, whether the device surface that sees drying simultaneously emits bubble, and the dryer surface bubble position is given mark, when the timing the tinkle of bells sounds, and does not occur the exsiccator of bubble yet, promptly is labeled as specification product;
6) up stir pedal with pin, the cancel system locking, Chi Shuijing gets back to water storage cavity from osculum;
7) slow release handle makes exsiccator pressure release gradually, lays down fully until air pressure, and the fast rotational handle is removed pressing plate compressing exsiccator then;
8) exsiccator that will detect takes off, and puts into the product frame, and certified products are placed on left frame, and unacceptable product is placed on right frame.
The beneficial effect that the present invention compared with prior art has is:
1) can detect each exsiccator air pressure, for dissimilar, the detection of the exsiccator of different volumes only needs " with reference to exsiccator " changed into respective type, and respective volume gets final product.
2) adapt to the quick clamping of different types of bottles,, both can adapt to the clamping of hot floor, also can adapt to the clamping of taper exsiccator owing to adopted band taper hole slab design.
3) the gas ducting structure of She Zhiing, length, size are all identical, and each exsiccator is connected in parallel, and has guaranteed that the air pressure of each exsiccator is identical.
4) environmental protection and energy saving except needing the little power of control circuit, do not need other energy.
5) reading, timing keyboard centralized control are easy to operate.
6) because simple for structure, the backboard that only need open worktable when breaking down can keep in repair.
Step is the same, enters the detection of next group product.
Description of drawings
Fig. 1 is the structural representation of leak detection device for auto air condition receiver drier;
Fig. 2 is the worktable front view of leak detection device for auto air condition receiver drier;
Fig. 3 is the worktable left view of leak detection device for auto air condition receiver drier;
Fig. 4 is the worktable cut-open view A-A of leak detection device for auto air condition receiver drier;
Fig. 5 is the worktable cut-open view B-B of leak detection device for auto air condition receiver drier;
Fig. 6 is the worktable partial enlarged drawing I of leak detection device for auto air condition receiver drier;
Fig. 7 is the worktable partial enlarged drawing II of leak detection device for auto air condition receiver drier;
Fig. 8 is the loading line synoptic diagram of leak detection device for auto air condition receiver drier;
Fig. 9 is the number system schematic diagram of leak detection device for auto air condition receiver drier;
Two kinds of air conditioning for automobiles exsiccators of Figure 10 A, B structure diagram.
Among the figure, worktable 1, handle 2, push rod 3, operation keyboard 4, pedal 5, setting-out plate rotating shaft next time 6, product frame 7, crank 8, crank up axle 9, nitrogen storage tank 10, revolving shaft 11 on the setting-out plate, setting-out plate stroke groove 12, counter 13, lighting device 14, dust excluding plate 15, backboard 16, rubber slab 17, valve 18, exsiccator 19, steel wire bracing frame 20, pressing plate 21, check pond 22, water storage cavity sewage draining exit 23, rain glass 24, timer 25, pond sewage draining exit 26, inlet opening 27, setting-out plate 28, water storage cavity 29, osculum 30, water storage cavity lid 31, first air pressure valve 32, second air pressure valve 33, the 3rd air pressure valve 34, with reference to exsiccator 35, pressure transducer 36 and process chip 37.
Embodiment
As shown in the figure, leak detection device for auto air condition receiver drier comprises worktable 1, handle 2, push rod 3, operation keyboard 4, pedal 5, setting-out plate rotating shaft next time 6, product frame 7, crank 8, crank up axle 9, nitrogen storage tank 10, revolving shaft 11 on the setting-out plate, setting-out plate stroke groove 12, counter 13, lighting device 14, dust excluding plate 15, backboard 16, rubber slab 17, valve 18, exsiccator 19, steel wire bracing frame 20, pressing plate 21, check pond 22, water storage cavity sewage draining exit 23, rain glass 24, timer 25, pond sewage draining exit 26, inlet opening 27, setting-out plate 28, water storage cavity 29, osculum 30, water storage cavity lid 31, first air pressure valve 32, second air pressure valve 33, the 3rd air pressure valve 34, with reference to exsiccator 35, pressure transducer 36 and process chip 37; Worktable 1 is whole device main body, the main support part is by the plain carbon steel manufacturing, non-pressure-bearing part is become the dustproof and illumination of realization by the panel beating fabrication and processing, worktable 1 top is provided with dust excluding plate 15, dust excluding plate 15 bottoms are provided with lighting device 14, and lighting device 14 comprises common lampshade and fluorescent tube.The worktable middle part is a check pond 22, trailing flank is provided with rubber slab 17 in the check pond 22, rubber slab 17 is provided with valve 18, the below is an osculum 30 in the middle of the valve 18, the left and right side, pond is provided with steel wire bracing frame 20 in the check pond 22, steel wire bracing frame 20 is enough to bear the weight of ten above exsiccators 19, and the steel wire parallel distance is less than the maximum gauge of exsiccator 19, to prevent that exsiccator 19 from dropping to check 22 bottom surfaces, pond, can increase steel wire quantity, with the detection of the exsiccator 19 that adapts to different length; Check pond 22 inner bottom surfaces are provided with glass-mirror, so that observing 19 times half side-views of exsiccator; Worktable 1 middle part front end is provided with dead eye, and handle 2 combines and pass dead eye with push rod 3 by being threaded, push rod 3 one ends and pressing plate 21 welding of checking band taper hole in the pond 22; The trailing flank in check pond 22 is provided with rubber slab 17, and exsiccator 19 afterbodys are with certain circular conical surface; Designed the pressing plate 21 of band taper hole, the drift angle of taper hole drift angle angle and exsiccator 19 reducings or the conical surface equates, thereby has reached good cooperation; Rotary handle 2 makes pressing plate 21 compress an end of exsiccator 19; Rubber slab is provided with valve (18); Check pond 22 left surfaces are respectively equipped with inlet opening 27 and pond sewage draining exit 26, and inlet opening 27 is connected with running water pipe, and pond sewage draining exit 26 and middle part, water storage cavity 29 lower ends water storage cavity sewage draining exit 23 all are communicated with blow-off line, conveniently to change water; Worktable 1 bottom is provided with setting-out mechanism, and setting-out mechanism is made up of revolving shaft 11, water storage cavity sewage draining exit 23, crank up axle 24, setting-out plate rotating shaft next time 6, setting-out plate 28, water storage cavity 29, water storage cavity lid 31 and setting-out plate stroke groove 12 on pedal 5, crank 8, the setting-out plate; Water storage cavity 29 is connected with check pond 22 by the osculum 30 at the trailing flank middle part in check pond 22, setting-out plate 28 lower ends dress setting-out plate rotating shaft next time 6, revolving shaft 11 on the setting-out plate is loaded onto in setting-out plate 28 upper ends, revolving shaft 11 passes setting-out plate stroke groove 12 and is connected with the small end of pedal 5 on the setting-out plate, one end of crank 8 is connected with the lower end of pedal 5 connecting rods, and the other end of crank 8 is connected with crank up axle 9 on being installed in worktable 1; In the time of setting-out, down pedal 5 is to bottom, and pedal 5 rotates around setting-out plate rotating shaft next time 6 by the setting-out plate 28 that self connecting rod drives in the water storage cavity 29, and setting-out plate 28 is pressed into check pond 22 with water by osculum 30; When setting-out plate 28 moves to perpendicular to ground, the upper end shaft portion of pedal 5 and also move to perpendicular to ground with crank 8, this moment, pedal 5 upper end shaft portion were passed through the centre of gyration of crank 8 to the acting force of crank 8, four-bar mechanism is in the dead-centre position, so the water in the check pond 22 can not be back to water storage cavity 29, even pin unclamps pedal 5, the shaft portion of pedal 5 and crank 8 still are in vertical position, and setting-out plate 28 also remains on vertical position; After the water surface is stablized in the pond 22 to be tested, gas-filled switching tube is inflated exsiccator 19 on can opening operation keyboard 4, observe exsiccator 19 whether emit bubble then, then water is recovered to water storage cavity 29, could upwards stir pedal 5 with pin to exsiccator 19 pressure releases, remove the four-bar mechanism dead-centre position, setting-out plate 28 is got back to initial position under action of gravity, Chi Shui is also through getting back to the water storage cavity 29 from osculum 30; Worktable 1 next door is placed with the product frame 7 of nitrogen storage tank 10 and band pressure transducer 36, and water storage cavity 29 rears are provided with the backboard 16 that hides whole worktable 1; The Circuits System of monitor station comprises lighting device 14, counter 13, timer 25, operation keyboard 4, first air pressure valve 32, second air pressure valve 33, the 3rd air pressure valve 34, counter 13 links to each other with operation keyboard 4 by control circuit with timer 25, electric wire is installed on inner chamber between worktable 1 and the backboard 36, and operation keyboard 4 actual centralized control functions comprise: import single exsiccator 19 weight G
0, the break-make of first air pressure valve 32, second air pressure valve 33, the 3rd air pressure valve 34 is opened timer 25; Operation keyboard 4 has the waterproofing protection film; First air pressure valve 32, second air pressure valve 33 and the 3rd air pressure valve 34 except by control circuit with operation keyboard 4 is connected, also link to each other with nitrogen storage tank 10 by loading line, Kong Yudi three air pressure valves 34 with reference to exsiccator 35 connect, and another hole is connected with rain glass 24; The A point is to the distance (L of each valve
1-L
10) with the A point to pipeline length (L with reference to exsiccator 35
11) equating that reference exsiccator 35 shapes of rain glass 24 1 ends are consistent with exsiccator to be measured 19, the 3rd pressure valve 34, second pressure valve 33 are all closed during original state, 32 unlatchings of first pressure valve; When operation keyboard 4 place's gas-filled switching tubes are opened, the 3rd pressure valve 34, second pressure valve 33 is opened automatically, first pressure valve 32 is closed, 10 pairs of exsiccators 19 of nitrogen storage tank and with reference to exsiccator 35 inflation, (the national regulation detected pressures is 3.4 ± 0.4MPa) when rain glass 24 shows that air pressure is 3.4MPa, shutoff operation keyboard 4 place's gas-filled switching tubes, each pressure valve restPoses at this moment, and (promptly first pressure valve 32 and second pressure valve 33 are closed, the 3rd pressure valve 34 is opened), so lay down with reference to pressure in the exsiccator 35; If rain glass 24 is during near the top pressure value, the 34 releasing pressure automatically exhausts of the 3rd air pressure valve; Then click the timer switch of operation keyboard 4 when air pressure gauge pressure 24 power reach 3.4MPa, the beginning countdown is so whether the observation exsiccator 19 in the observation water emits bubble, and exsiccator 19 marks to emitting bubble, after the time made zero, timing 25 bell rings rose, and stopped observation; Product frame 7 is connected with process chip 37, pressure transducer 36 and operation keyboard 4 by circuit, two frames about product frame 7 is divided into, specification product are placed on the left side, substandard product is placed on the right, respectively settle a pressure transducer 36 at the bottom of the frame of the left and right sides, pressure transducer 36 is measured left and right sides frame exsiccator 19 weight and is respectively G
1, G
2, when every batch of exsiccator 19 is tested, manually import single exsiccator weight G at operation keyboard 4 earlier
0, process chip 37 calculates left and right sides frame exsiccator 19 numbers and is respectively n
A=G
1/ G
0, n
B=G
2/ G
0, n=n
A+ n
B, qualification rate C
1=n
A/ n, counter 13 shows: total n, passing number=n
A, qualification rate=C
1
The using method of leak detection device for auto air condition receiver drier may further comprise the steps:
1) exsiccator to be detected 19 is put on the steel wire bracing frame 20, its valve 18 is filled in the air-filled pore of exsiccator 19 to be detected;
2) rotary handle 2, and push rod 3 moves axially, and promote pressing plate 21 and compress exsiccator 19 1 ends to be detected, and exsiccator 19 axially loadeds compress rubber slab 17, in order to avoid leak, leak gas during inflation;
3) down pedal 5 arrives bottom;
When 4) treating that water is static, gas-filled switching tube on this moment start-up operation keyboard 4, when rain glass reaches 3.4, gas-filled switching tube on the shutoff operation keyboard 4;
5) time switch on the start-up operation keyboard 4, whether device 19 surfaces that see drying simultaneously emit bubble, simultaneously exsiccator 19 blibbing positions are given mark, when timing display screen 21 place's bell rings rise, and do not occur the exsiccator 19 of bubble yet, promptly are considered as specification product;
6) up stir pedal 5 with pin, the cancel system locking, Chi Shuijing gets back to the water storage cavity 29 from osculum 30;
7) earlier slow release handle 2, pressure release is gradually laid down fully until air pressure, and the fast rotational handle 2 again, remove compressing of 21 pairs of exsiccators 19 of pressing plate;
The exsiccator 19 that 8) will detect takes off, and puts into product frame 7, and certified products are placed on left frame, defective being placed in the right frame.
Step is the same, enters the detection of next group product.
Claims (2)
1. a leak detection device for auto air condition receiver drier is characterized in that comprising worktable (1), handle (2), push rod (3), operation keyboard (4), pedal (5), setting-out plate rotating shaft next time (6), product frame (7), crank (8), crank up axle (9), nitrogen storage tank (10), revolving shaft on the setting-out plate (11), setting-out plate stroke groove (12), counter (13), lighting device (14), dust excluding plate (15), backboard (16), rubber slab (17), valve (18), exsiccator (19), steel wire bracing frame (20), pressing plate (21), check pond (22), water storage cavity sewage draining exit (23), rain glass (24), timer (25), pond sewage draining exit (26), inlet opening (27), setting-out plate (28), water storage cavity (29), osculum (30), water storage cavity lid (31), first air pressure valve (32), second air pressure valve (33), the 3rd air pressure valve (34), with reference to exsiccator (35), pressure transducer (36) and process chip (37); Worktable (1) top is provided with dust excluding plate (15), and dust excluding plate (15) bottom is provided with lighting device (14); Worktable (1) middle part is provided with check pond (22), the interior trailing flank in check pond (22) is provided with rubber slab (17), rubber slab (17) is provided with valve (18), the below is osculum (30) in the middle of the valve (18), the left and right face in check side, interior pond, pond (22) is respectively equipped with steel wire bracing frame (20), and check pond (22) inner bottom surface is provided with glass-mirror; Worktable (1) middle part front end is provided with dead eye, handle (2) combines and passes dead eye with push rod (3) by being threaded, push rod (3) one ends weld with the pressing plate (21) of check pond (22) middle band taper hole, and the trailing flank in check pond (22) is provided with rubber slab (17); Check pond (22) left surface is respectively equipped with inlet opening (15) and pond sewage draining exit (26), and inlet opening (27) are connected with running water pipe, and pond sewage draining exit (26) and water storage cavity (29) lower end middle part water storage cavity sewage draining exit (23) all are communicated with blow-off line; Worktable (1) bottom is provided with setting-out mechanism, and setting-out mechanism is made up of revolving shaft (11), water storage cavity sewage draining exit (23), crank up axle (24), setting-out plate rotating shaft next time (6), setting-out plate (28), water storage cavity (29), water storage cavity lid (31) and setting-out plate stroke groove (12) on pedal (5), crank (8), the setting-out plate; Water storage cavity (29) is connected with check pond (22) by the osculum (30) at the trailing flank middle part in check pond (22), water storage cavity (29) top is provided with the lower end dress setting-out plate rotating shaft next time (6) of dustproof water storage cavity lid (31) setting-out plate (28), revolving shaft on the setting-out plate (11) is loaded onto in setting-out plate (28) upper end, revolving shaft on the setting-out plate (11) passes setting-out plate stroke groove (12) and is connected with the small end of pedal (5), one end of crank (8) is connected with the lower end of pedal (5) connecting rod, and the other end of crank (8) is connected with crank up axle (24) on being installed in worktable (1); Setting-out plate (28) is pressed into check pond (22) with water by osculum (30); Worktable (1) next door is placed with the product frame (7) of nitrogen storage tank (10) and band pressure transducer (36); Water storage cavity (29) rear is provided with the backboard (16) that hides whole worktable (1); The Circuits System of monitor station comprises lighting device (14), counter (13), timer (25), operation keyboard (4), first air pressure valve (32), second air pressure valve (33), the 3rd air pressure valve (34), counter (13) links to each other with operation keyboard (4) by control circuit with timer (25), electric wire is installed on inner chamber between worktable (1) and the backboard (16), first air pressure valve (32), second air pressure valve (33) and the 3rd air pressure valve (34) except by control circuit with operation keyboard (4) is connected, also link to each other with nitrogen storage tank (10) by loading line, Kong Yudi three air pressure valves (34) with reference to exsiccator (35) connect, and another hole is connected with rain glass (24); Product frame (7) is connected with process chip (37), pressure transducer (36) and operation keyboard (4) by circuit.
2. the using method of a leak detection device for auto air condition receiver drier as claimed in claim 1 is characterized in that may further comprise the steps:
1) exsiccator to be detected (19) is put on the steel wire bracing frame (20), valve (18) is filled in the air-filled pore of exsiccator to be detected (19);
2) rotary handle (16) moves axially push rod (17), promotes the end that pressing plate (14) compresses exsiccator to be detected (19), and rubber slab (12) compresses the other end of exsiccator to be detected (19), and exsiccator (19) is in sealing state;
3) down pedal (5) arrives bottom;
When 4) treating that water is static, the gas-filled switching tube of start-up operation keyboard (26), when rain glass reaches 3.4MPa pressure, the gas-filled switching tube of shutoff operation keyboard (26);
5) time switch of start-up operation keyboard (26), whether device (19) surface that sees drying simultaneously emits bubble, and exsiccator (19) blibbing position is given mark, when the timing the tinkle of bells sounds, and the exsiccator (19) of bubble does not appear yet, promptly be labeled as specification product;
6) up stir pedal (5) with pin, the cancel system locking, Chi Shuijing gets back to water storage cavity (29) from osculum (30);
7) slow release handle (16) makes exsiccator (19) pressure release gradually, lays down fully until air pressure, and fast rotational handle (16) is removed pressing plate (14) compressing exsiccator (19) then;
8) exsiccator that will detect (19) takes off, and puts into product frame (7), and certified products are placed on left frame, and unacceptable product is placed on right frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101763651A CN101852669B (en) | 2010-05-18 | 2010-05-18 | Leak detection device for auto air condition receiver drier and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101763651A CN101852669B (en) | 2010-05-18 | 2010-05-18 | Leak detection device for auto air condition receiver drier and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101852669A true CN101852669A (en) | 2010-10-06 |
| CN101852669B CN101852669B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101763651A Active CN101852669B (en) | 2010-05-18 | 2010-05-18 | Leak detection device for auto air condition receiver drier and application method thereof |
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| US9599414B2 (en) | 2010-11-17 | 2017-03-21 | Zhejiang Sanhua Automotive Components Co., Ltd | Liquid reservoir |
| CN107063578A (en) * | 2017-04-25 | 2017-08-18 | 安徽宏辉滤清器有限公司 | A kind of car dryer leakage detection apparatus |
| CN108507728A (en) * | 2018-06-05 | 2018-09-07 | 陕西博菲特流体控制装备制造有限公司 | A kind of modular heat trace integrated station suppresses test device |
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| CN114544094A (en) * | 2022-01-24 | 2022-05-27 | 佛山市顺德区乐普达电机有限公司 | Water pump cavity gas tightness detection device |
| CN108507728B (en) * | 2018-06-05 | 2024-04-16 | 陕西博菲特流体控制装备制造有限公司 | Modularized heat tracing integration station pressurizing testing device |
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