CN104019973B - Detection device and method of valve block spring of refrigerant filter - Google Patents
Detection device and method of valve block spring of refrigerant filter Download PDFInfo
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- CN104019973B CN104019973B CN201410260906.7A CN201410260906A CN104019973B CN 104019973 B CN104019973 B CN 104019973B CN 201410260906 A CN201410260906 A CN 201410260906A CN 104019973 B CN104019973 B CN 104019973B
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- block spring
- valve block
- check valve
- coolant
- filter
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title abstract description 16
- 239000003507 refrigerant Substances 0.000 title abstract description 9
- 239000002826 coolant Substances 0.000 claims description 124
- 239000007788 liquid Substances 0.000 claims description 30
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 7
- 230000015654 memory Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Measuring Fluid Pressure (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to a detection device and method of a valve block spring of a refrigerant filter. The detection device of the valve block spring of the refrigerant filter comprises a pressure pulse device and a detecting element, the pressure pulse device enables detection media to be arranged in the refrigerant filter to be detected in a filling mode or discharged out of the refrigerant filter to be detected through a connecting pipeline, so that opening and closing of a one-way valve assembly including the valve block spring in the refrigerant filter to be detected are achieved, and the detecting element is used for obtaining parameters related to the reliability of the valve block spring. According to the detection device and method, the detection media are arranged in the refrigerant filter in a reciprocating and filling mode through the pressure pulse device, ceaseless opening and closing of the one-way valve assembly including the valve block spring in the refrigerant filter are achieved, and through motion simulation similar to the actual use process, detection and evaluation of the parameters, such as the service life of the valve block spring, related to reliability are achieved.
Description
Technical field
The present invention relates to spring detection device and method, particularly relate to a kind of for coolant is filtered
In device, the parameter relevant to the reliability of valve block spring such as life-span of the valve block spring of check valve assembly
Carry out the detection device and method detected.
Background technology
Coolant is during plugging in pipeline and it can be polluted by other gaseous impurities etc., therefore,
Use coolant filter that the coolant of the system of entrance is filtered in entropy inspection room, improve the pure of coolant
Degree.And in coolant filtration device structure, check valve assembly directly determines effect and the coolant of filtration
The service life of filter.Coolant is mainly advanced by the operation principle of coolant filter by pressure
In filter element, after being filtered by filter element, check valve assembly is opened by coolant pressure,
It is achieved thereby that the filtration to coolant.Owing to unlatching and the Guan Bi of check valve assembly are by valve block bullet
The stretching of spring and the realization that resets, if the life-span of valve block spring is bad or resilience is bad, be easily caused
Some impurity in system, the chip etc. such as sealing ring is clipped in valve block spring or check valve assembly
On miscellaneous part, and then have influence on the coolant purity of system, therefore, the reliable in quality of valve block spring
Property is most important, directly determines the filter effect of filter.
Owing to there not being relevant detection device can realize the valve block bullet in coolant filter at present
The parameters such as the life-span of spring carry out reliability detection, therefore, are badly in need of designing and developing a set of detection device,
Comment for the parameters such as the life-span of the valve block spring of check valve assembly in coolant filter are carried out detection
Estimate, improve it to the filter effect of coolant and service life.
Summary of the invention
For the problems referred to above, the purpose of the present invention is to propose to the valve block spring of a kind of coolant filter
Detection device and method, it is possible to in coolant filter, the longevity of the valve block spring of check valve assembly
The relevant parameters such as life compare reliable check and evaluation.
For achieving the above object, the invention provides the detection of the valve block spring of a kind of coolant filter
Device, including pressure pulse equipment and detecting element, described pressure pulse equipment passes through connecting tube
Detection medium is filled with or discharges described coolant filter to be detected by road, it is achieved described to be detected
Coolant filter in include the unlatching of check valve assembly and Guan Bi, the described detection of valve block spring
Element is for obtaining the parameter relevant to the reliability of described valve block spring.
Preferably or in alternative embodiment, also including check valve one, the import of described check valve is led to
Cross connecting line and connect the coolant outlet side of described coolant filter to be detected, described check valve
Outlet connect reserving liquid tank by connecting line, described reserving liquid tank internal memory contains detection medium.
Preferably or in alternative embodiment, also including threeway one, the first port of described threeway leads to
Crossing connecting line and connect the import of described pressure pulse equipment, the second port of described threeway passes through
Connecting line connects described reserving liquid tank, and the 3rd port of described threeway connects institute by connecting line
State the outlet of check valve.
One, preferably or in alternative embodiment, described detection medium is hydraulic oil.
One, preferably or in alternative embodiment, described pressure pulse equipment is oil pulse equipment.
One, preferably or in alternative embodiment, the pressing time of described pressure pulse equipment is set to
1s, release set of time is 1s.
One, preferably or in alternative embodiment, described detecting element is enumerator, described enumerator
Electrically connect described pressure pulse equipment, described enumerator be used for obtaining described in include valve block spring
The unlatching of check valve assembly and the number of times of Guan Bi.
For achieving the above object, present invention also offers the valve block spring of a kind of coolant filter
Detection method, including:
Step 1) pressure pulse equipment starts pressurization, and detection medium is filled with coolant to be detected and filters
In device；
Step 2) coolant filter to be detected includes the check valve assembly of valve block spring in detection
Opening under the pressure effect of medium, detection medium flows out coolant filter；
Step 3) pressure pulse equipment starts release, includes the list of valve block spring in coolant filter
Close to valve module；
Step 4) repeat above-mentioned 1)～step 3), the check valve assembly including valve block spring repeats
Open and Guan Bi, and obtain check valve assembly unlatching and the number of times of Guan Bi by detecting element；
Step 5) under identical unlatching and Guan Bi number of times, detect each coolant to be detected further
The spring force of filter middle valve plate spring, reaches to detect the life-span of valve block spring and assess
Purpose.
One preferably or in alternative embodiment, described step 2) in, detection medium flows out coolant mistake
After filter, flowing back to reserving liquid tank by check valve, check valve is for preventing the detection medium in reserving liquid tank
Suck-back enters in coolant filter.
One preferably or in alternative embodiment, check valve, pressure pulse equipment and reserving liquid tank three it
Between connected by threeway；During the pressurization of pressure pulse equipment, by threeway guarantee the outlet of check valve with
Coolant filter to be detected pressure inside the first area of coolant inlet end is consistent；Pressure
During pulsing unit release, check valve is opened, and the detection medium in coolant filter to be detected passes through
Reserving liquid tank is flowed back in check valve and threeway.
Based on technique scheme, the present invention at least has the advantages that
Detection medium is reciprocally filled with in coolant filter by the present invention by pressure pulse equipment, real
Show and coolant filter includes not the stopping of check valve assembly of valve block spring opened and close, class
Be similar to actually used during action simulation, and by detecting element detection with described valve block spring
The relevant parameter of reliability, it is achieved that the detection to dependability parameters such as valve block spring service lifes
Assessment, improves detection level；Be conducive to improving further the dependability of coolant filter,
Improve the purity that coolant filters, improve systematic energy efficiency ratio.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of the coolant filter that Fig. 1 provides for the present invention；
Fig. 2 is the structural representation of the check valve assembly shown in Fig. 1；
The structural representation of the detection device of the valve block spring of the coolant filter that Fig. 3 provides for the present invention
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is carried out clearly
Chu, it is fully described by.Obviously, described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ",
"front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of scope.
As it is shown in figure 1, the coolant filter A to be detected that the present invention provides includes filter housings
1, it is provided with filter element 2 in filter housings 1, one end of filter housings 1 is that coolant enters
Gas end 3, the other end of filter housings 1 is coolant outlet side 4, in coolant outlet side 4 and filtration
It is provided with check valve assembly 5 in filter housings 1 between device filter element 2.
As in figure 2 it is shown, check valve assembly 5 includes bracket 51, bracing frame 52, catch 53, valve block
Spring 54 and rivet 55, bracket 51 and bracing frame 52 play the effect of fixing support, catch 53
Being arranged on the bracing frame 52 side near coolant outlet side 4, catch 53 is used for blocking bracing frame 52
The refrigerant exit of upper setting, rivet 55 sequentially passes through bracket 51, bracing frame 52 and catch 53, riveting
The two ends of nail 55 are provided with the diameter countersunk head portion more than rivet 55, near coolant outlet side 4
Countersunk head portion links together with valve block spring 54, and valve block spring 54 is also connected with catch 53.Pass through
The stretching of valve block spring 54 and reset, or compress and reset, drive catch 53 to open and close,
Realize the break-make of coolant.
As it is shown in figure 1, be additionally provided with position-limited rack 6, position-limited rack 6 on the end cap of coolant outlet side 4
The opening degree that may be used for limiting valve block spring 54 is excessive, has had this position-limited rack 6, valve block bullet
Spring 54 all can be withstood after opening to a certain extent every time, thus plays position-limiting action, it is ensured that valve
The concordance that flat spring 54 is opened every time.
The detection device of the valve block spring of the coolant filter that the present invention provides may be used for above-mentioned reality
Execute check valve assembly 5 in the coolant filter A provided in example valve block spring 54 life-span etc. with
The parameter that reliability is relevant detects, it is also possible to in prior art, other coolant filter
The parameters relevant to reliability such as the life-span of the valve block spring of the check valve assembly of device detect.
As it is shown on figure 3, the detection device of the valve block spring of the coolant filter of present invention offer includes
Pressure pulse equipment 7 and detecting element, detecting element can electrically connect pressure pulse equipment 7,
Or, detecting element can be in parallel with coolant filter A to be detected, pressure pulse equipment 7
The coolant inlet end 3 of coolant filter A to be detected, pressure pulse equipment 7 can be arranged on
By connecting line 10, detection medium is filled with or discharges coolant filter A to be detected, it is achieved
Coolant filter A to be detected includes valve block spring 54 check valve assembly 5 unlatching and
Guan Bi.Owing to unlatching and the Guan Bi of check valve assembly 5 are the stretching by valve block spring 54 and reset,
Or compression and reset, it is achieved, therefore, by check valve assembly 5 can be obtained with detecting element
Open and the number of times of Guan Bi, under same unlatching and Guan Bi number of times, arranged by other further
Test the spring force of the valve block spring 54 of check valve assembly 5 in different coolant filter A, i.e.
The quality comparing valve block spring 54 can be contrasted, reach to detect life-span etc. and the valve of valve block spring 54
The purpose of the parameter that the reliability of flat spring 54 is relevant.
The detection device of the valve block spring of the coolant filter that the present invention provides utilizes connecting line, makes
The detection medium that first time is filled with coolant filter A by pressure pulse equipment 7 can be gone out by effectively " suction "
System, then utilizes pressure pulse equipment 7, detection medium is reciprocally filled with coolant filter A
In, i.e. achieve not the stopping of check valve assembly 5 including valve block spring 54 in coolant filter A
Open with Guan Bi, be similar to actually used during action simulation, it is achieved that to valve block spring 54
The check and evaluation in service life.
The detection device of the valve block spring of the coolant filter that the present invention provides can also include check valve
8, the import of check valve 8 connects the cold of coolant filter A to be detected by connecting line 10
Matchmaker outlet side 4, the outlet of check valve 8 connects reserving liquid tank 11, reserving liquid tank by connecting line 10
11 internal memories contain detection medium.The present invention may be used for preventing reserving liquid tank by arranging check valve 8
Detection medium suck-back in 11 enters in coolant filter A.
The detection device of the valve block spring of the coolant filter that the present invention provides can also include threeway 9,
First port of threeway 9 connects the import of pressure pulse equipment 7, threeway by connecting line 10
Second port of 9 connects reserving liquid tank 11 by connecting line 10, and the 3rd port of threeway 9 passes through
Connecting line 10 connects the outlet of check valve 8.When pressure pulse equipment 7 pressurizes, by three
Logical 9 outlets that may insure that check valve 8 and coolant filter A to be detected are near coolant inlet end
Pressure inside the first area A1 of 3 is consistent；When pressure pulse equipment 4 release, check valve 8
Opening, the detection medium in coolant filter A to be detected is flowed back to by check valve 8 and threeway 9
Reserving liquid tank 11.Whole detection device is can further ensure that by arranging check valve 8 and threeway 9
Stability.
Fig. 3 show a specific embodiment of the detection device of the valve block spring of above-mentioned coolant filter,
The detection device of the valve block spring of the coolant filter provided in this embodiment includes pressure pulse equipment
7, check valve 8, threeway 9, connecting line 10 and detecting element.One end of pressure pulse equipment 7
By the first port of connecting line 10 connecting tee 9, the second port of threeway 9 connects reserving liquid tank
11, pressure pulse sets the coolant inlet end 3 that the 7 standby other ends connect coolant filter A, coolant
The coolant outlet side 4 of filter A connects the import of check valve 8, check valve by connecting line 10
3rd port of the outlet connecting tee 9 of 8.Reserving liquid tank 11 internal memory contains for passing through pressure pulse
Equipment 7 is filled with coolant filter A to the valve block spring 54 of check valve assembly 5 in coolant filter A
Carry out the detection medium detected.Detecting element electrical connection pressure pulse equipment 7 (not shown).
Check valve 8 and pressure pulse equipment 7 are linked together by the present embodiment by arranging threeway 9,
When pressure pulse equipment 7 works, it can be ensured that the outlet of check valve 8 is leaned on coolant filter A
Pressure inside the first area A1 of nearly coolant inlet end 3 is consistent.
In the reserving liquid tank 11 of the present invention, the detection medium of storage can be hydraulic oil, pressure pulse equipment
7 use hydraulic oil as the detection medium of pressurization, and hydraulic oil has profit through pressure pulse equipment 7
The function such as sliding, antirust.The present invention can also adopt in using water as reserving liquid tank 11 the detection medium stored,
It also is able to the purpose reaching to detect valve block spring 54 life-span, but is situated between as detection with water, gas etc.
Matter is easily caused pressure pulse equipment 7 and coolant filter A gets rusty, therefore it is not recommended that uses.
Pressure pulse equipment 7 in above-described embodiment can use oil pulse equipment, or market
On other similar pulsing units.
Pressing time and the release time of the pressure pulse equipment 7 in above-described embodiment can be according to realities
Border situation is configured and regulates.Such as: the pressing time of pressure pulse equipment 7 could be arranged to
1s, the release time could be arranged to 1s, and the time completing a pulse period is 2s.
In above-described embodiment, detecting element can use enumerator, can be to comprising by enumerator
The unlatching of the check valve assembly 5 of valve block spring 54 and Guan Bi number of times (namely pressure pulse equipment 7
Pulse number) count, the longevity of check valve assembly 5 middle valve plate spring 54 can be obtained exactly
Life number of times.The most further by the spring force of other detection equipment Inspection valve block springs 54, determine
Quality preferably coolant filter A.
In above-described embodiment, detecting element can also be timer, at the arteries and veins of pressure pulse equipment 7
In the case of cycle of rushing is certain, by recording the total duration of work of pressure pulse equipment 7, utilize work
Make total duration divided by the pulse period, i.e. can obtain the pulse number of pressure pulse equipment 7, and then
Obtain the life-span number of times of check valve assembly 5 middle valve plate spring 54, reach the longevity to valve block spring 54
The dependability parameters such as life carry out the purpose detected.
The detection method of the detection device of the valve block spring of the coolant filter of present invention offer is provided,
Comprise the steps:
Step 1) pressure pulse equipment 7 start pressurization, by detection medium be filled with coolant mistake to be detected
In filter A；
Step 2) coolant filter A to be detected includes the check valve assembly of valve block spring 54
5 open under the pressure effect of detection medium, and detection medium flows out coolant filter A；
Step 3) pressure pulse equipment 7 starts release, includes valve block bullet in coolant filter A
The check valve assembly 5 of spring 54 closes；
Step 4) repeat above-mentioned 1)～step 3), include the check valve assembly of valve block spring 54
5 repeat open and Guan Bi, and by detecting element obtain check valve assembly 5 open and close time
Number；
Step 5) in the case of identical unlatching and Guan Bi number of times, can be examined by other further
The spring force of the coolant filter A middle valve plate spring 54 to be detected that measurement equipment detection is different, determines
Quality preferable valve block spring 54, reaches the dependability parameters such as the life-span to valve block spring 54 and examines
Survey and the purpose of assessment.
In above-described embodiment, in step 2) in, after detection medium flows out coolant filter A, logical
Crossing check valve 8 and flow back to reserving liquid tank, check valve 8 is for preventing the detection medium suck-back in reserving liquid tank 11
Enter in coolant filter A.
In above-described embodiment, logical between check valve 8, pressure pulse equipment 7 and reserving liquid tank 11 three
Cross threeway 9 to connect；When pressure pulse equipment 7 pressurizes, guarantee going out of check valve 8 by threeway 9
Mouth and coolant filter A to be detected pressure inside the first area A1 of coolant inlet end 3
Power is consistent；During pressure pulse equipment 7 release, check valve 8 is opened, coolant filter to be detected
Detection medium in A flows back to reserving liquid tank 11 by check valve 8 and threeway 9.
The detection side of the detection device of the valve block spring of coolant filter that the present invention provide is set forth below
One specific embodiment of method, this embodiment comprises the steps:
1) by coolant filter A and each connecting line 10, pressure pulse equipment 7, check valve 8,
The parts such as reserving liquid tank 11 and detecting element connect；
2) opening the Switching Power Supply of pressure pulse equipment 7, now pressure pulse equipment 7 is started working,
Pressure pulse equipment 7 pressurizes, and the hydraulic oil inside reserving liquid tank 11 starts to supply to pressure pulse equipment 7
Oil.Hydraulic oil enters into from the coolant inlet end 3 of coolant filter A along pressure pulse equipment 7
The each position of inwall of the filter housings 1 of coolant filter A, and the most slowly pass through
Filter element 2 ecto-entad successively filters；
3) after being full of whole filter element 2, check valve assembly 5 is opened under pressure,
Valve block spring 54 is in the state of being stretched or compressed, and now hydraulic oil is full of along check valve assembly 5
Unidirectional in the second area A2 and connecting line 10 of coolant outlet side 4 of coolant filter A
In valve 8, but now executed in the outlet of check valve 8 by threeway 9 due to pressure pulse equipment 7
Having added pressure, therefore, check valve 8 now can't be opened, and so far, completes once to pressurize；
4) pressure pulse equipment 7 starts release, filter element 2, the first of coolant filter A
The reserving liquid tank 11 direction backflow of the most past low pressure under pressure of the hydraulic oil in the A1 of region, when
Hydraulic oil in the first area A1 of filter element 2 and coolant filter A is back to reserving liquid tank
After 11, owing to there being pressure reduction, valve block spring 54 now returns to origin-location, then coolant filter A
Second area A2 form flashy sealing higher-pressure region, then check valve 8 is inevitable in pressure effect
Lower unlatching, makes the hydraulic oil of the second area A2 of coolant filter A be back to reserving liquid tank 11 smoothly,
Now complete whole flow process.Valve block spring 54 in check valve assembly 5 occurs in whole flow process at this
One-off drawing or compression and once reset.
The second area A2 of coolant filter A forms flashy sealing higher-pressure region and is because: unload
After pressure, valve block spring 54 return in check valve assembly 5 drives catch 53 to close, check valve 8
Being in closure state in moment, second area A2 is the formation of flashy sealing higher-pressure region,
Then due to pressure pulse equipment 7 release, the outlet pressure of check valve 8 is unloaded down, check valve 8
Nature can be opened, and makes hydraulic oil pass back into reserving liquid tank 11.
5) according to above-mentioned flow process the most repeatedly, then the valve block spring 54 in check valve assembly 5 exists
Process of the test will constantly stretch and reset, or compress and reset, be obtained by detecting element
The unlatching of check valve assembly 5 and Guan Bi number of times.
6) last, further by other detection equipment of the prior art, test each to be detected
Coolant filter A in include the identical unlatching of the check valve assembly 5 of valve block spring 54 and Guan Bi
The spring force of the valve block spring 54 after number of times, it is thereby achieved that to the valve block in check valve assembly 5
The check and evaluation of the parameters relevant to reliability such as the life-span of spring 54.
The detection device in valve block spring 54 life-span of the coolant filter A that the present invention provides is mainly by pressing
Power pulsing unit 7, check valve 8, threeway 9 and connecting line 10 etc. form, and utilize connecting line
10 and each parts action coordinate, it is achieved the life-span etc. to the valve block spring 54 of coolant filter A
The detection relevant to reliability, solves techniques below problem:
1) achieve the life-span etc. of the valve block spring 54 of check valve assembly 5 in coolant filter A
The check and evaluation relevant to reliability, improves reliability and the service life of coolant filter A；
2) can be by valve block spring 54 life and reliability of the check valve assembly 5 of each supplier
Detection case of knowing the real situation carries out proving and comparisom, and is sophisticated in related check standard by optimum relevant parameter,
Improve acceptance quality.
Finally should be noted that: above example only in order to technical scheme to be described and
Non-to its restriction；Although the present invention being described in detail with reference to preferred embodiment, affiliated
The those of ordinary skill in field is it is understood that still can enter the detailed description of the invention of the present invention
Row is revised or portion of techniques feature is carried out equivalent；Without deviating from technical solution of the present invention
Spirit, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.
Claims (6)
1. the detection device of the valve block spring of a coolant filter, it is characterised in that: include pressure
Power pulsing unit and detecting element, described pressure pulse equipment will detect medium by connecting line
It is filled with or discharges described coolant filter to be detected, it is achieved described coolant filter to be detected
In include the unlatching of check valve assembly and the Guan Bi of valve block spring, described detecting element is used for obtaining
The parameter relevant to the reliability of described valve block spring；
Also including check valve, the import of described check valve connects described to be detected by connecting line
The coolant outlet side of coolant filter, the outlet of described check valve connects storage by connecting line
Liquid case, described reserving liquid tank internal memory contains detection medium；
Also including threeway, the first port of described threeway connects described pressure arteries and veins by connecting line
Rushing the import of equipment, the second port of described threeway connects described reserving liquid tank by connecting line,
3rd port of described threeway connects the outlet of described check valve by connecting line.
2. the detection device of the valve block spring of coolant filter as claimed in claim 1, it is special
Levy and be: described detection medium is hydraulic oil.
3. the detection device of the valve block spring of coolant filter as claimed in claim 2, it is special
Levy and be: described pressure pulse equipment is oil pulse equipment.
4. the detection device of the valve block spring of coolant filter as claimed in claim 1, it is special
Levying and be: the pressing time of described pressure pulse equipment is set to 1s, release set of time is 1s.
5. the detection device of the valve block spring of coolant filter as claimed in claim 1, it is special
Levying and be: described detecting element is enumerator, described enumerator electrically connects described pressure pulse and sets
Standby, described enumerator includes the unlatching of the check valve assembly of valve block spring described in obtain and closes
The number of times closed.
6. the detection method of the valve block spring of a coolant filter, it is characterised in that including:
Step 1) pressure pulse equipment starts pressurization, and detection medium is filled with coolant to be detected and filters
In device；
Step 2) coolant filter to be detected includes the check valve assembly of valve block spring in detection
Opening under the pressure effect of medium, detection medium flows out coolant filter；Now due to pressure pulse
Equipment applies pressure by threeway in the outlet of check valve, and therefore, check valve now can't be opened,
So far, complete once to pressurize；
Step 3) pressure pulse equipment starts release, includes the list of valve block spring in coolant filter
Closing to valve module, check valve is opened under pressure, and hydraulic oil is back to reserving liquid tank；
Step 4) repeat above-mentioned 1)～step 3), the check valve assembly including valve block spring repeats
Open and Guan Bi, and obtain check valve assembly unlatching and the number of times of Guan Bi by detecting element；
Step 5) under identical unlatching and Guan Bi number of times, detect each coolant to be detected further
The spring force of filter middle valve plate spring, reaches to detect the life-span of valve block spring and assess
Purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260906.7A CN104019973B (en) | 2014-06-12 | 2014-06-12 | Detection device and method of valve block spring of refrigerant filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260906.7A CN104019973B (en) | 2014-06-12 | 2014-06-12 | Detection device and method of valve block spring of refrigerant filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019973A CN104019973A (en) | 2014-09-03 |
| CN104019973B true CN104019973B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410260906.7A Expired - Fee Related CN104019973B (en) | 2014-06-12 | 2014-06-12 | Detection device and method of valve block spring of refrigerant filter |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203965140U (en) * | 2014-06-12 | 2014-11-26 | 珠海格力电器股份有限公司 | A kind of pick-up unit of valve block spring of refrigerant filtrator |
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| JP3201667B2 (en) * | 1993-02-10 | 2001-08-27 | 清原 まさ子 | Check valve test apparatus and check valve test method |
| CN2676170Y (en) * | 2003-05-09 | 2005-02-02 | 浙江三花股份有限公司 | Integrated test system for one-way valve |
| CN101929923A (en) * | 2009-06-19 | 2010-12-29 | 江苏神通阀门股份有限公司 | Life testing device for check valve |
| CN102507109B (en) * | 2011-11-02 | 2014-03-19 | 天津鹏翎胶管股份有限公司 | One-way valve rubber tube positive pressure opening and negative pressure leakage detection device and operation method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203965140U (en) * | 2014-06-12 | 2014-11-26 | 珠海格力电器股份有限公司 | A kind of pick-up unit of valve block spring of refrigerant filtrator |
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| CN104019973A (en) | 2014-09-03 |
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