CN102435526B - Detection method for impurities in receiver drier - Google Patents
Detection method for impurities in receiver drier Download PDFInfo
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- CN102435526B CN102435526B CN 201110267012 CN201110267012A CN102435526B CN 102435526 B CN102435526 B CN 102435526B CN 201110267012 CN201110267012 CN 201110267012 CN 201110267012 A CN201110267012 A CN 201110267012A CN 102435526 B CN102435526 B CN 102435526B
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Abstract
The invention provides a detection method for impurities in a receiver drier and relates to a detection method for a receiver drier of an automobile air-conditioning system. The method comprises the following steps: A, preparation work; B, preparation of gas, wherein, clean compressed dry gas with a pressure of 1.0 Mpa is prepared; C, air blowing, wherein, the clean compressed dry gas with a pressure of 1.0 Mpa is continuously blown into the receiver drier; D, removal of impurities, wherein, impurities in the receiver drier enter into an impurity collector through a pipeline B as the compressed dry gas flows; E, discharge of the gas and collection of the impurities, wherein, the compressed dry gas is discharged through a pipeline C, and the impurities are obstructed by a filter layer of the impurity collector and retain in the impurity collector; F, weighing, wherein, the weight of the impurity collector that contains the impurities is measured by using a weighing means, and the content of the impurities can be obtained. According to the invention, the content of the impurities in the receiver drier can be accurately and effectively detected; the method is simple and convenient to operate; high cleanliness of components of an automobile air conditioner can be guaranteed, and therefore, faults like obstruction of the air-conditioning system can be avoided.
Description
Technical field
The present invention relates to a kind of detection method of automotive air-conditioning system drier receiver, particularly a kind of detection method for impurities in receiver drier.
Background technology
Drier receiver is the core component in automotive air-conditioning system, plays effect dry and storage liquid in air-conditioning system, also has simultaneously and filters and the booster action that is connected air-conditioning duct.For automotive air-conditioning system, its cleanliness to the air conditioning for automobiles parts require very high, if the impurity content that exists in air-conditioning system is too high, will cause the air-conditioning system plugging fault; For drier receiver, drier receiver has two kinds, iron bottle and aluminum bottle; Two kinds of drier receivers all need to weld the process such as (soldering, argon arc welding), machining in process, so the possibility of impurity (as iron filings, oxide skin etc.) to occur very large drier receiver inside.Also do not have at present a kind of effective method to detect impurity in drier receiver.In the automobile industry standard (QC/T662-200) of air conditioning for automobiles (HFC-134a) with drier receiver, a kind of cleanliness test method has been proposed, method is as follows: lower 18 ℃～28 ℃ of room temperature, weigh in advance through 90 ℃ ± 5 ℃, the filter paper that is no less than the 30min drying, the isooctane solvent that is about drier receiver volume 30% is poured into drier receiver, pour out through Filter paper filtering after shaking 4～5 times, filter paper is weighed after the same temperature, time drying.There is certain defective in this test method, in detecting, reality can't operate, reason is as follows: the structural representation of drier receiver is referring to Fig. 4, due to the drier receiver structure, can't into the isooctane solvent of drier receiver will be poured, all pour out after shaking for 4～5 times, more can't checked for impurities content.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of detection method for impurities in receiver drier that can effectively detect the inner impurity content of automotive air-conditioning system drier receiver, to guarantee the cleanliness requirement of drier receiver.
The technical scheme that solves the problems of the technologies described above is: a kind of detection method for impurities in receiver drier, and the method comprises the following steps:
A, preparation: the impurity detection device for receiver driers that is ready to comprise gas making device, drier receiver, impurity collector and weighing device, with pipeline A, the output terminal of gas making device is communicated with the top of drier receiver inner filtration layer, with pipeline B, the below of drier receiver inner filtration layer is communicated with the below of impurity collector inner filtration layer, with pipeline C, the top of impurity collector inner filtration layer is in communication with the outside, then impurity collector is positioned on weighing device;
B, gas processed: producing pressure by gas making device is the clean compression drying gas of 1.0Mpa;
C, air blowing: be that the clean compression drying gas of 1.0Mpa constantly inputs in drier receiver with pressure by pipeline A;
D, impurities removal: the impurity in drier receiver is along with flowing of compression drying gas enters in impurity collector through pipeline B;
E, exhaust, collection impurity: compression drying gas is discharged through pipeline C, and impurity is intercepted in impurity collector by the filtering layer of impurity collector; After 10～20 minutes, the impurity of drier receiver inside can all be collected in impurity collector;
F, weigh: measure impurely in interior impurity collector weight by weighing device, namely can draw impurity content.
Further technical scheme of the present invention is: described step B, gas bag processed are drawn together following main contents:
A, filtration: by air cleaner with air filtration;
B, compression: the gas compression after filtering by air compressor;
C, drying: the gas dry filter after compressing by dry gas tank, remove air moisture;
D, pressure regulation: dried gas is through air valve, and by regulating automatic pressure control, can make pressure is the clean compression drying gas of 1.0Mpa.
Owing to adopting technique scheme, the present invention's detection method for impurities in receiver drier compared with prior art has following beneficial effect:
1, can accurate and effectively detect the interior impurity content of drier receiver:
Because the present invention's detection method for impurities in receiver drier can be blown into a large amount of clean compression drying gases by gas making device in drier receiver, make the impurity of drier receiver inside along with compression drying gas is discharged from drier receiver, enter afterwards in impurity collector, owing to being provided with filtering layer in impurity collector, thereby impurity is blocked in impurity collector, compression drying gas can be discharged from pipeline C, the impurity for the treatment of drier receiver all is collected in impurity collector, can weigh up impurity content by weighing device.In addition, be clean compression drying gas due to what be blown in drier receiver, can not bring any impurity to drier receiver again, thereby this method can accurate and effectively detect the impurity content in drier receiver.
2, method is simple, and is easy and simple to handle:
The present invention only need start the gauge tap of each parts, can complete testing, need not manually drier receiver to be shaken repeatedly, and its method is simple, and is easy and simple to handle.
3, can guarantee the high cleanliness requirement of air conditioning for automobiles parts:
Because the present invention can accurate and effectively detect impurity content in drier receiver, thereby it can guarantee the high cleanliness requirement of air conditioning for automobiles parts, thereby avoids the faults such as air-conditioning system obstruction, has extended the serviceable life of automotive air-conditioning system.
Below, in conjunction with the accompanying drawings and embodiments the technical characterictic of the present invention's detection method for impurities in receiver drier is further described.
Description of drawings
Fig. 1: the FB(flow block) of the present invention's detection method for impurities in receiver drier;
The FB(flow block) of step B of the present invention described in Fig. 2: embodiment one;
Fig. 3: the structural representation of the impurity detection device for receiver driers that uses in the present invention,
Fig. 4: the structural representation of drier receiver,
In above-mentioned accompanying drawing, the label of each part is as follows:
The 1-gas making device, the 101-air strainer, the 102-air compressor, the dry gas tank of 103-,
The 104-air valve, the 105-automatic pressure control, 2-pipeline A, the 3-drier receiver,
The 301-filtering layer, 4-pipeline B, the 5-impurity collector, the 501-filtering layer,
6-pipeline C, the 7-weighing device.
In Fig. 3, Fig. 4, the direction shown in arrow is the flow direction of gas.
Specific embodiment
Embodiment one:
A kind of detection method for impurities in receiver drier, the method comprise the following steps (FB(flow block) shown in Figure 1):
A, preparation: the impurity detection device for receiver driers that is ready to comprise gas making device 1, drier receiver 3, impurity collector 5 and weighing device 7, with pipeline A2, the output terminal of gas making device 1 is communicated with the top of drier receiver inner filtration layer 301, with pipeline B4, the below of drier receiver inner filtration layer 301 is communicated with the below of impurity collector inner filtration layer 501, with pipeline C6, the top of impurity collector inner filtration layer 501 is in communication with the outside, then impurity collector 5 is positioned over (referring to Fig. 3) on weighing device 7.
B, gas processed: producing pressure by gas making device 1 is the clean compression drying gas of 1.0Mpa;
C, air blowing: be that the clean compression drying gas of 1.0Mpa constantly inputs to 3 li of drier receivers with pressure by pipeline A2;
D, impurities removal: the impurity in drier receiver 3 is along with compression drying gas flows in pipeline B4 enters impurity collector 5;
E, exhaust, collection impurity: compression drying gas is discharged outside to through pipeline C6, and impurity is intercepted in impurity collector 5 by the filtering layer 501 of impurity collector; After 10～20 minutes, the impurity of drier receiver 3 inside can all be collected in impurity collector 5;
F, weigh: measure impurely in interior impurity collector weight by weighing device 7, namely can draw impurity content.
Above-mentioned step B, gas bag processed are drawn together following main contents (FB(flow block) shown in Figure 2):
A, filtration: by air cleaner 101 with air filtration;
B, compression: the gas compression after filtering by air compressor 102;
C, drying: the gas dry filter after compressing by dry gas tank 103, remove air moisture;
D, pressure regulation: dried gas is through air valve 104, and by regulating automatic pressure control 105, can make pressure is the clean compression drying gas of 1.0Mpa.
Above-mentioned impurity detection device for receiver driers consists of (referring to Fig. 3) by gas making device 1, drier receiver 3, impurity collector 5 and weighing device 7, described drier receiver 3, impurity collector 5 are airtight container, and be provided with filtering layer 301 in drier receiver 3, be provided with filtering layer 501 in impurity collector 5; Described gas making device 1 comprises air strainer 101, air compressor 102, dry gas tank 103; Described air strainer 101 input ends are communicated with atmosphere, air strainer 101 output terminals are connected with the input end of air compressor 102, the output terminal of air compressor 102 is connected with dry gas tank 103 input ends, the output terminal of dry gas tank 103 is connected with pipeline A2, on this pipeline A2, air valve 104 is installed, between the input end of air valve 104 and dry gas tank 103, automatic pressure control 105 is installed also; The output terminal of described dry gas tank 103 is communicated with the top of drier receiver 3 inner filtration layers 301 by pipeline A 2, the below of drier receiver inner filtration layer 301 is communicated with the below of impurity collector inner filtration layer 501 by pipeline B4, the top of impurity collector inner filtration layer 501 is in communication with the outside by pipeline C6, described impurity collector 5 is positioned on weighing device 7, and this weighing device 7 is electronic scales.
Claims (2)
1. detection method for impurities in receiver drier, it is characterized in that: the method comprises the following steps:
A, prepare: be ready to comprise gas making device (1), drier receiver (3), the impurity detection device for receiver driers of impurity collector (5) and weighing device (7), use pipeline A(2) output terminal of gas making device (1) is communicated with the top of drier receiver inner filtration layer (301), use pipeline B(4) below of drier receiver inner filtration layer (301) is communicated with the below of impurity collector inner filtration layer (501), use pipeline C(6) top of impurity collector inner filtration layer (501) is in communication with the outside, then impurity collector (5) is positioned on weighing device (7),
B, gas processed: producing pressure by gas making device (1) is the clean compression drying gas of 1.0Mpa;
C, air blowing: by pipeline A(2) that pressure is that the clean compression drying gas of 1.0Mpa constantly inputs to drier receiver (3) is inner;
D, impurities removal: the impurity in drier receiver (3) is along with compression drying gas flows through pipeline B(4) enter in impurity collector (5);
E, exhaust, collection impurity: compression drying gas is through pipeline C(6) be discharged outside to, impurity is intercepted in impurity collector (5) by the filtering layer of impurity collector (501); After 10～20 minutes, the inner impurity of drier receiver (3) can all be collected in impurity collector (5);
F, weigh: measure impurely in interior impurity collector weight by weighing device (7), namely can draw impurity content.
2. detection method for impurities in receiver drier according to claim 1, it is characterized in that: described step B, gas bag processed are drawn together following main contents:
A, filtration: by air cleaner (101) with gas filtration;
B, compression: the gas compression after filtering by air compressor (102);
C, drying: the gas dry filter after compressing by dry gas tank (103), remove gas moisture;
D, pressure regulation: dried gas is through air valve (104), and by regulating automatic pressure control (105), can make pressure is the clean compression drying gas of 1.0Mpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110267012 CN102435526B (en) | 2011-09-09 | 2011-09-09 | Detection method for impurities in receiver drier |
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| CN 201110267012 CN102435526B (en) | 2011-09-09 | 2011-09-09 | Detection method for impurities in receiver drier |
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| CN102435526A CN102435526A (en) | 2012-05-02 |
| CN102435526B true CN102435526B (en) | 2013-06-05 |
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| CN201852383U (en) | 2010-11-17 | 2011-06-01 | 浙江三花汽车控制系统有限公司 | Heat exchanger and liquid storing device thereof |
| CN102419294B (en) * | 2011-09-09 | 2013-04-24 | 柳州五菱宝马利汽车空调有限公司 | Impurity detection device for dehydrator |
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| JPH0715435B2 (en) * | 1985-03-30 | 1995-02-22 | 株式会社島津製作所 | Device for measuring water content in liquid |
| JPH02236436A (en) * | 1989-03-09 | 1990-09-19 | Iseki & Co Ltd | Detection of impurity in grain drier and drying control system |
| CN1514220A (en) * | 2003-08-19 | 2004-07-21 | 南开大学 | Flue gas diluting and mixing multipath progressive sampler |
| CN101256130B (en) * | 2008-03-13 | 2011-06-15 | 丁志江 | Method and apparatus for measuring water content of high-precision coal gas machinery |
| CN101408491A (en) * | 2008-11-18 | 2009-04-15 | 中电投远达环保工程有限公司 | Equipment and method for measuring dust content in flue gas |
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Effective date of registration: 20191211 Address after: 545007 No. 18 Hexi Road, the Guangxi Zhuang Autonomous Region, Liuzhou Patentee after: Guangxi company limited of automobile group Address before: 545007 No. 13 West Ring Road, the Guangxi Zhuang Autonomous Region, Liuzhou Patentee before: Liuzhou Wuling Baoma Automobile Air Conditioner Co., Ltd. |