CN110333121A - Air conditioner heat exchanger cleanliness testing method and testing device - Google Patents
Air conditioner heat exchanger cleanliness testing method and testing device Download PDFInfo
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- CN110333121A CN110333121A CN201910671006.4A CN201910671006A CN110333121A CN 110333121 A CN110333121 A CN 110333121A CN 201910671006 A CN201910671006 A CN 201910671006A CN 110333121 A CN110333121 A CN 110333121A
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000003749 cleanliness Effects 0.000 title claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 101
- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000010998 test method Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012459 cleaning agent Substances 0.000 description 6
- 238000013019 agitation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a method and a device for testing the cleanliness of an air conditioner heat exchanger, relates to the technical field of cleanliness testing of two devices of an air conditioner, and solves the technical problem that in the prior art, when the cleanliness of the two devices (an evaporator structure and a condenser structure) of the air conditioner is tested, the effectiveness of obtained experimental data is relatively poor due to relatively poor cleaning effect. The cleaning of the air conditioner structure sample in the test method comprises the following steps: and vibrating the heat exchanger structure sample with the cleaning liquid flowing inside to enable the cleaning liquid to impact and clean the inside of the heat exchanger structure sample. The method is used for improving the effectiveness of the cleanliness detection of the air-conditioning heat exchanger.
Description
Technical field
The present invention relates to two device clean degree the field of test technology of air conditioner, clean more particularly, to a kind of air-conditioning heat exchanger
It spends test method and implements cleaning vibration device used in this method.
Background technique
To avoid air-conditioning products generating system dirty, stifled, the cold and hot exchange of air conditioner and its cooling or heating effect are influenced, was produced
It needs to continue the impurity content in monitoring two device of air conditioner (evaporator and condenser) in journey, cleannes is carried out to two device assemblies
Detection, measure two device impurity contents, it is ensured that control issued in required standard in technique.Here two devices refer to length
Tube assembly and elbow connect the heat exchanger structure to be formed, and when carrying out cleanliness testing to two devices, generally use air pump odd test
The mode of agent cleaning agent is cleaned, and the cleaning to elbow is then cleaned by the way of manual agitation.
Applicants have discovered that at least there is following technical problem in the prior art:
When the cleannes to two device of air conditioner are tested, the mode of existing cleaning, cleaning effect relative mistake, screw thread
Little particle impurity in pipe is difficult to clean out so that obtained test data result error is relatively large, cleaning consuming simultaneously when
Between it is longer；And when being cleaned to each elbow of two device of air conditioner, the large labor intensity by the way of manual agitation, and clean effect
Fruit also relative mistake.
Summary of the invention
The purpose of the present invention is to provide a kind of air-conditioning heat exchanger cleanliness testing method and test devices, solve existing
When testing present in technology the cleannes of two device of air conditioner (evaporation structure and condenser structure), due to cleaning
The technical issues of effect relative mistake, the validity relative mistake of the experimental data caused.Many technical sides provided by the invention
Many technical effects elaboration as detailed below that optimal technical scheme in case can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of air-conditioning heat exchanger cleanliness testing method provided by the invention, to air-conditioning heat exchanger knot in the test method
The cleaning of structure sample includes the following contents: vibration internal flow has the heat exchanger structure sample of cleaning solution so that cleaning solution rushes
Hit the inside for cleaning the heat exchanger structure sample.
Preferably, the outlet of the heat exchanger structure sample and entrance pass through pipeline respectively and lead to for holding the cleaning
The collection vessel of liquid recycles cleaning solution between the collection vessel and the heat exchanger structure sample by transfer tube
Flowing.
Preferably, after the completion of to heat exchanger structure sample cleaning, by the cleaning solution in the heat exchanger structure sample
It introduces in the collection vessel, and carries out the calculating of impurity content to the cleaning solution in the collection vessel.
Preferably, the air-conditioning heat exchanger cleanliness testing method includes to assemble each elbow cleaning of heat exchanger structure
The detection of degree includes the following contents to the cleaning method of elbow in the cleanliness testing method of elbow: the elbow is put into Sheng
It is placed in the container of cleaning solution, vibrates the container so that the elbow is cleaned in the cleaning solution impact in it.
Preferably, to the elbow cleaning after the completion of, the elbow is taken out, then to the cleaning solution in the container into
Row impurity content calculates.
It preferably, include the following contents to the calculating of cleaning solution impurity: first with filter paper not used, after drying to clear
Washing lotion is filtered；Then filter paper is dried again；The quality for weighing filter paper after front and back is dried twice calculates two inferior qualities of front and back
Difference is to calculate the content of impurity.
Preferably, when being cleaned to the heat exchanger structure sample and the elbow, the two by vibration frequency not
Together.
Preferably, it before cleaning air-conditioner heat exchanger structure sample, needs to open vent cabinet, check fire fighting device and pendant
Wear protection protective articles.
A kind of cleaning vibration device of the test method, including internal electromagnetic vibration Moving plate, external support body frame and
Vibration table surface, the internal electromagnetic vibration Moving plate are located in the external support body frame, and the vibration table surface is located in described
It is connected above portion's electromagnetic vibration Moving plate and with the internal electromagnetic vibration Moving plate, the starting internal electromagnetic vibration Moving plate energy band is dynamic to place
Component vibration to be cleaned on the vibration table surface.
Preferably, the bottom of the internal electromagnetic vibration Moving plate is provided with support feet, and the internal electromagnetic vibration Moving plate passes through
The support feet is supported in the external support body frame and the support feet is fixedly connected with the external support body frame.
The present invention provides a kind of air-conditioning heat exchanger cleanliness testing method, and vibration internal flow has the heat exchanger knot of cleaning solution
Structure sample makes liquid generate micro-bubble, the inner surface of the continuous impingement heat transfer device structure sample of micro-bubble and gap, destroys dirty
The inside of the absorption of object and cleaning parts surface, heat exchanging device structure sample is cleaned, the cleaning effect of heat exchanging device structure sample
Fruit is good, so that the validity for obtaining test data is high, and then solves existing in the prior art to the (evaporation of two device of air conditioner
Device structure and condenser structure) cleannes when being tested, due to cleaning effect relative mistake, the experimental data that causes
The technical issues of validity relative mistake.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of cleaning vibration device provided in an embodiment of the present invention.
Electromagnetic vibration Moving plate inside 1- in figure；2- external support body frame；3- vibration table surface；4- supports feet.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of air-conditioning heat exchanger cleanliness testing method, heat exchanging device structure sample in test method
The cleaning of (heat exchanger structure sample is connected by long tube assembly and elbow and formed) includes the following contents: vibration internal flow has clearly
The heat exchanger structure sample of washing lotion is so that the inside of heat exchanger structure sample is cleaned in cleaning solution impact.It is existing to the clear of two device components
Mode, cleaning effect relative mistake are washed, so that obtained test data result error is relatively large, while the time for cleaning consuming is opposite
It is longer；And the present invention makes cleaning solution in heat exchanger structure sample by the way of vibration washing using high-frequency impulse principle
Portion carries out impact cleaning, cleans the impurity inside screwed pipe, and Cleaning principle is specific as follows: vibration heat exchanger structure sample leads to
Crossing the cleaning solution that vibration wave is radiated in pipe by the tube wall of heat exchanger structure sample makes liquid due to being vibrated the radiation of wave
Micro-bubble, the inner surface of the continuous impingement heat transfer device structure sample of micro-bubble and gap are generated, dirt and cleaning part table are destroyed
The inside of the absorption in face, heat exchanging device structure sample is cleaned.The present invention provides a kind of air-conditioning heat exchanger cleanliness testings
The cleaning effect of method, heat exchanging device structure sample is good, so that the validity for obtaining test data is high.In addition, for it is some its
The cleaning of his elongated tubular element can also be cleaned using mode provided by the invention.
As the embodiment of the present invention, optionally embodiment, the outlet of heat exchanger structure sample and entrance pass through pipeline respectively
The collection vessel for holding cleaning solution is led to, makes cleaning solution in collection vessel and heat exchanger structure sample by transfer tube
Between circulate.Transfer tube is provided on the pipeline that collection vessel is connect with heat exchanger structure sample, transfer tube can be
Vacuum pump, when driving pump work, transfer tube can be taken out the cleaning solution in collection vessel from the entrance of heat exchanger structure sample
To heat exchanger structure sample, the cleaning solution in heat exchanger structure sample can be flowed into collection vessel by outlet, driven
Under the action of pump, the cleaning solution in heat exchanger structure sample and collection vessel is circulated, and is flowed into heat exchanger structure examination
Sample cleaning liquid inside can be vibrated to impact the inside of cleaning heat exchanger structure sample.
As optionally embodiment of the embodiment of the present invention, after the completion of the cleaning of heat exchanging device structure sample, by heat exchanger knot
Cleaning solution in structure sample introduces in collection vessel, and the calculating of impurity content is carried out to the cleaning solution in collection vessel.Exchange
After the completion of hot device structure sample cleaning, the cleaning solution in heat exchanger structure sample can be evacuated to by collection vessel using transfer tube
It is interior；In addition, may include the following contents to the calculating of cleaning solution impurity: first with filter paper not used, after drying to cleaning
Liquid is filtered；Then filter paper is dried again；The quality for weighing filter paper after front and back is dried twice, it is of poor quality twice to calculate front and back
To calculate the content of impurity.
As optionally embodiment of the embodiment of the present invention, air-conditioning heat exchanger cleanliness testing method includes to assemble
The detection of each elbow cleannes of heat exchanger structure includes in following to the cleaning method of elbow in the cleanliness testing method of elbow
Hold: elbow is put into the container for being contained with cleaning solution, vibration container is so that elbow is cleaned in the cleaning solution impact in it.Tradition is right
When the elbow of two device of air conditioner is cleaned, usually elbow is put into the container for holding cleaning solution, is used using stirring rod
The mode of manual agitation is cleaned, the mode large labor intensity of conventional clean elbow, and cleaning effect also relative mistake；And this Shen
The principle that please clean elbow is the following contents: vibration is contained with the container of elbow, container wall vibrations and chamber wall will vibrate amplitude
The cleaning solution being mapped in it, cleaning solution constantly impact inner and outer surfaces and the gap of elbow, to realize the cleaning to elbow, this hair
The effect of the bright cleaning way to elbow, cleaning efficiency height and cleaning is relatively good.In addition, in heat exchanging device structure sample and curved
When head is cleaned, the two can not be identical by vibration frequency.
Heat exchanger structure sample after test assembling, if the test of heat exchanger structure sample cleannes is not inconsistent standardization,
The heat exchanger structure of the batch will not then put into production；Heat exchanger structure usually has long pipe fittings component and elbow to connect to be formed,
Two products are that different producers produces, if before assembling heat exchanger structure sample, to it is curved on heat exchanger structure sample
Head with batch other elbows carry out cleaning degree test (or to assembling heat exchanger structure sample elbow first carry out cleannes survey
Examination), then the underproof reason of heat exchanger structure sample cleannes after being able to achieve further investigation assembling.
As the embodiment of the present invention, optionally embodiment is taken out elbow, after the completion of elbow cleaning then to container
Interior cleaning solution carries out impurity content calculating；Calculating to cleaning solution impurity includes the following contents: first with not used, drying
Filter paper afterwards is filtered cleaning solution；Then filter paper is dried again；The quality for weighing filter paper after front and back is dried twice, calculates
The front and back content of poor quality twice to calculate impurity.
As the embodiment of the present invention, optionally embodiment in order to test to obtain the accuracy of data filters cleaning solution
Filter paper is preferably the filter paper after drying.
As optionally embodiment of the embodiment of the present invention, for the safety of testing crew, in cleaning air conditioner two-unit component
Before, it needs to open vent cabinet, check fire fighting device and wears protection protective articles.
Referring to Fig. 1, a kind of cleaning vibration device of test method, including internal electromagnetic vibration Moving plate 1, external support body frame
2 and vibration table surface 3, internal electromagnetic vibration Moving plate 1 be located in external support body frame 2, the internally positioned electromagnetic vibration of vibration table surface 3
1 top of Moving plate is simultaneously connected with internal electromagnetic vibration Moving plate 1, and the internal electromagnetic vibration Moving plate 1 of starting, which can drive, is placed on vibration table surface 3
On cleaning component vibration.External support body frame 2 be mainly metal frame be welded be used as integrated support, vibration table surface 3 by
Metal frame, sheet metal are formed by welding, and internal electromagnetic vibration Moving plate 1 is firsthand component, can be by bolt by shake table
Table top 3 and internal electromagnetic vibration Moving plate 1 are fixed.
It is provided with energy converter in internal electromagnetic vibration Moving plate 1, high-frequency electrical energy is converted by mechanical oscillation by energy converter, i.e., it is interior
Portion's electromagnetic vibration Moving plate 1 can drive vibration table surface 3 to vibrate, each heat exchanger structure sample of two device components and the appearance for being contained with elbow
Device can be directly placed at vibration table surface 3.Using cleaning vibration device vibration heat exchanger structure sample and it is contained with elbow
Container when, different vibration frequencies can be used.
As the embodiment of the present invention, optionally embodiment, the bottom of internal electromagnetic vibration Moving plate 1 are provided with support feet 4,
By supporting, feet 4 is supported in external support body frame 2 internal electromagnetic vibration Moving plate 1 and support feet 4 and external support body frame 2 are solid
Fixed connection.Internal electromagnetic vibration Moving plate 1 can be welded to connect by support feet 4 and 2 base cross members of external support body frame, supporting pad
Effect of the foot 4 to realize vibration damping.
Embodiment 1:
A kind of cleanliness testing method of air-conditioner heat exchanger structure, including the following contents:
Step S1, filter paper drying, unlatching vent cabinet, inspection fire-fighting setting and wearing protective articles；
Step S2, it is put into cleaning agent in collection vessel, choose heat exchanger structure sample and is placed on vibration table surface 3,
Connect the pipeline between collection vessel and heat exchanger structure sample；
Step S3, start transfer tube, starting cleaning vibration device, so that heat exchanger structure sample vibration a period of time；
Step S4, cleaning vibration device is closed；
Step S5, the cleaning agent of heat exchanger structure is evacuated in collection vessel using transfer tube；
Step S6, the cleaning agent of container is collected by filtration；
Step S7, then filter paper is dried, weighs the quality of filter paper after drying to calculate the content of impurity；
Step S8, test report is filled in.
When heat exchanger structure sample is placed on vibration table surface 3, for some heat exchanger structure samples, it can do
Fixed measure is simply secured on vibration table surface 3.
Embodiment 2:
The cleanliness testing method of air conditioner two-unit component elbow, including the following contents:
Step S1, elbow sample and cleaning agent are placed in container；
Step S2, filter paper drying, unlatching vent cabinet, inspection fire-fighting setting and wearing protective articles；
Step S3, the container in step S1 is placed on the vibration table surface 3 of cleaning vibration device, starting cleaning vibration dress
It sets；
Step S4, cleaning vibration device is closed；
Step S5, elbow sample is taken out, cleaning agent is filtered；
Step S6, then filter paper is dried, weighs the quality of filter paper after drying to calculate the content of impurity；
Step S7, test report is filled in.
Wherein, the tandem between above-mentioned steps S1 and step S2 can be interchanged.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of air-conditioning heat exchanger cleanliness testing method, which is characterized in that air-conditioner heat exchanger structure in the test method
The cleaning method of sample includes the following contents:
Vibration internal flow has the heat exchanger structure sample of cleaning solution so that the heat exchanger structure is cleaned in cleaning solution impact
The inside of sample.
2. air-conditioning heat exchanger cleanliness testing method according to claim 1, which is characterized in that the heat exchanger structure examination
The outlet of sample and entrance pass through pipeline respectively and lead to collection vessel for holding the cleaning solution, to clean by transfer tube
Liquid circulates between the collection vessel and the heat exchanger structure sample.
3. air-conditioning heat exchanger cleanliness testing method according to claim 2, which is characterized in that the heat exchanger structure
After the completion of sample cleaning, the cleaning solution in the heat exchanger structure sample is introduced in the collection vessel, and to the collection
Cleaning solution in container carries out the calculating of impurity content.
4. air-conditioning heat exchanger cleanliness testing method according to any one of claim 1-3, which is characterized in that the sky
Adjusting heat exchanger cleanliness testing method further includes to the detection to assemble each elbow cleannes of heat exchanger structure, the cleaning of elbow
Include the following contents to the cleaning method of elbow in degree test method: the elbow be put into the container for being contained with cleaning solution,
The container is vibrated so that the elbow is cleaned in the cleaning solution impact in it.
5. air-conditioning heat exchanger cleanliness testing method according to claim 4, which is characterized in that cleaned to the elbow
Cheng Hou takes out the elbow, then carries out impurity content calculating to the cleaning solution in the container.
6. the air-conditioning heat exchanger cleanliness testing method according to claim 3 or 5, which is characterized in that cleaning solution impurity
Calculating include the following contents: first with it is not used, drying after filter paper cleaning solution is filtered；Then again by filter paper
Drying；The quality for weighing filter paper after front and back is dried twice calculates the front and back content of poor quality twice to calculate impurity.
7. air-conditioning heat exchanger cleanliness testing method according to claim 4, which is characterized in that the heat exchanger knot
When structure sample and the elbow are cleaned, the two is by vibration frequency difference.
8. air-conditioning heat exchanger cleanliness testing method according to claim 1, which is characterized in that in cleaning air-conditioning heat exchanger
It before structure sample, needs to open vent cabinet, check fire fighting device and wears protection protective articles.
9. the cleaning vibration device of any test method in a kind of claim 1-8, which is characterized in that including internal electricity
Magnetic vibration disk (1), external support body frame (2) and vibration table surface (3), the internal electromagnetic vibration Moving plate (1) are located at described outer
Portion's support body frame (2) is interior, and the vibration table surface (3) is located above the internal electromagnetic vibration Moving plate (1) and electric with the inside
Magnetic vibration disk (1) is connected, and the starting internal electromagnetic vibration Moving plate (1), which can drive, to be placed on the vibration table surface (3)
Component vibration to be cleaned.
10. cleaning vibration device according to claim 9, which is characterized in that the bottom of the internal electromagnetic vibration Moving plate (1)
It is provided with support feet (4), the internal electromagnetic vibration Moving plate (1) is supported on the external support by the support feet (4)
In body frame (2) and the support feet (4) is fixedly connected with the external support body frame (2).
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| CN201910671006.4A CN110333121A (en) | 2019-07-24 | 2019-07-24 | Air conditioner heat exchanger cleanliness testing method and testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910671006.4A CN110333121A (en) | 2019-07-24 | 2019-07-24 | Air conditioner heat exchanger cleanliness testing method and testing device |
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Application publication date: 20191015 |