CN110530587A - Refrigerator ice-making water storage box is molded quality detecting method and detection device with L shape water pipe - Google Patents
Refrigerator ice-making water storage box is molded quality detecting method and detection device with L shape water pipe Download PDFInfo
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- CN110530587A CN110530587A CN201910655635.8A CN201910655635A CN110530587A CN 110530587 A CN110530587 A CN 110530587A CN 201910655635 A CN201910655635 A CN 201910655635A CN 110530587 A CN110530587 A CN 110530587A
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- air pressure
- water
- water pipe
- difference
- gage glass
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 47
- 238000012797 qualification Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/42—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using fluid means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of refrigerator ice-making water storage box L shape water pipes to be molded quality detecting method and detection device, and detection method includes the following steps: record gas source is in access failure to air pressure A when in water gage glass；Gas source is switched to one end to water gage glass, records the air pressure B of gas source；Air pressure B is compared with the first difference of air pressure A with standard deviation range, in range, is then qualified products, exceeds, be then substandard product；The other end to water gage glass is closed, and record is then substandard product such as larger than by air pressure C with the second difference of standard value compared with the first standard deviation to the air pressure C in water gage glass；Such as less than, then stop air inlet, it is then substandard product such as larger than that record air pressure D, which is then qualified products such as less than by air pressure D with the third difference of air pressure C compared with the second standard deviation,.Through the invention, accurate to the testing result of water pipe injection molding quality, and it is fast to detect speed.
Description
Technical field
The present invention relates to a kind of refrigerator ice-making water storage box L shape water pipes to be molded quality detecting method and detection device.
Background technique
Refrigerator has water storage box and ice making box, and water storage box is used to be temporarily stored in purified water before ice making, and makes taking out
After good ice, the purified water being stored in water storage box can be extracted into ice making box automatically by water pump, opened ice making function, be connected to
The water pipe of water pump needs to do at L-shaped, which is inserted in the bottom of water storage box, and the other end is in the top of ice making box.Due to system
Ice chest needs to extract out and reversion movement, can not install sensor to incude water, in order to can accurately water in metrology ice chest
Amount can only guarantee the water of ice making box, therefore, L shape water by the leakproofness in the water yield and pump process of control water pump
The injection molding quality of pipe is then particularly important, if L shape water pipe quality is not up to standard, then can seriously affect draw water flow and leakproofness.It is existing
In technology, in the production technology of L shape water pipe injection molding, need to be inserted into two mould needles from 90 degree of both direction, due to two
The matching problem of mould needle is easy to appear flash in the place of 90 degree of bent angles, caused by consequence be influence pipeline water flow, finally
It will affect the water of ice making box on refrigerator；For two mould needles in core pulling, 90 degree of positions of product are vacuum state, and moulding
Not completely in the state of cooling, cracked risk is had, when causing pumping for water pump, the possibility for having air to enter equally is made
At in ice making box the problem of water shortage.Two above-mentioned problems not can avoid in current production technology, and having at any time can
Can occur, need 100% to go after examining to assemble again, it is therefore desirable to a kind of fast and accurately detection method.
Summary of the invention
The invention aims to provide a kind of refrigerator ice-making water storage box L shape water pipe injection molding quality detecting method and detection
Device is able to solve the above problem.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
The present invention provides a kind of refrigerator ice-making water storage box L shape water pipes to be molded quality detecting method, comprising the following steps:
A. record gas source is in access failure to air pressure A when in water gage glass；
B. gas source is switched to one end to water gage glass, records the air pressure B of gas source；
C. air pressure B is compared with air pressure A, acquires difference between the two and is defined as the first difference, by first difference
It is compared with preset standard deviation range, such as the first difference is within the scope of standard deviation, then the water pipe is qualified produces
Product, such as the first difference exceed standard deviation range, then the water pipe is substandard product；
D. the air inlet of one end to water gage glass is kept, and the other end to water gage glass is closed, records water to be measured after a period of time
Air pressure C is compared by the air pressure C in pipe with preset standard value, is acquired difference between the two and is defined as
Second difference is compared by two differences with preset first standard deviation, and such as the second difference is greater than the first standard deviation
Value, then the water pipe is substandard product；
E. on the basis of step d, such as the second difference then stops the air inlet of one end to water gage glass less than the first standard deviation, and
The other end to water gage glass keeps closing, and the air pressure D in water pipe to be measured is recorded after a period of time, and air pressure D and air pressure C is carried out
Compare, acquire difference between the two and be defined as third difference, by the third difference and preset second standard deviation
It is compared, if third difference is less than the second standard deviation, then the water pipe is qualified products, as third difference is greater than the second standard
Difference, then the water pipe is substandard product.
Preferably, the concrete operation method of step a is after gas source is stablized at least 1 second, to record air pressure A.
Preferably, the concrete operation method of step b is that gas source is switched to behind one end of water gage glass, is stablized at least 1 second
Zhong Hou records air pressure B.
Preferably, it in step d, keeps the air inlet of one end to water gage glass and closes the other end to water gage glass 1 second
Afterwards, air pressure C is recorded.
Preferably, in step e, stop the air inlet of one end to water gage glass and keep closing 1 second to the other end of water gage glass
Zhong Hou records air pressure D.
Preferably, the flow qualification and flow that qualified products and substandard product obtained in step c are respectively water pipe are not
Qualification is presented as water pipe in injection molding, and whether internal flash is qualified.
Preferably, qualified products and substandard product obtained in step d and step e are respectively that the tube wall sealing of water pipe is closed
Lattice and tube wall sealing are unqualified, are presented as water pipe in injection molding, tube wall whether there is crackle.
The present invention also provides a kind of inspections for being molded quality detecting method with L shape water pipe for above-mentioned refrigerator ice-making water storage box
Device is surveyed, it includes board, is fixed on board and for treating locating piece that water gage glass positioned, being arranged in board
Upper and one of port is used to connect the triple valve, the pressure sensor for detecting air pressure, setting of one end to water gage glass
The other end on board and for treating water gage glass carries out closed cylinder, other two port of triple valve is separately connected gas
Source and pressure sensor.
Preferably, the valve of the unlatching and stopping for controlling air inlet is connected between gas source and triple valve, step a extremely
In step d, which is opened, and opens air inlet, and in step e, valve is closed, and stops air inlet.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Refrigerator ice-making water storage box of the invention is molded quality detecting method and detection device with L shape water pipe, can avoid because of equipment pressure
Measurement error caused by power is unstable and erroneous judgement, it is accurate to the testing result of water pipe injection molding quality, and it is fast to detect speed.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is according to an embodiment of the invention for refrigerator ice-making water storage box L shape water pipe injection molding quality detecting method
The structural schematic diagram of detection device.
Figure label are as follows:
1, board；2, locating piece；3, triple valve；4, pressure sensor；5, cylinder.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second " " third " are used for description purposes only,
It is not understood to indicate or imply relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Refrigerator ice-making water storage box in the present embodiment is molded quality detecting method with L shape water pipe, it the following steps are included:
A. record gas source is in access failure to air pressure A when in water gage glass.
B. gas source is switched to one end to water gage glass, records the air pressure B of gas source.
C. air pressure B is compared with air pressure A, acquires difference between the two and is defined as the first difference, by this first
Difference is compared with preset standard deviation range, and such as the first difference is within the scope of standard deviation, then the water pipe is to close
Lattice product, such as the first difference exceed standard deviation range, then the water pipe is substandard product.
D. keep the air inlet of one end to water gage glass, and the other end to water gage glass closed, after a period of time record to
Air pressure C is compared with preset standard value, acquires difference between the two and definition by the air pressure C in water gage glass
For the second difference, which is compared with preset first standard deviation, such as the second difference is greater than the first mark
Quasi- difference, then the water pipe is substandard product.
E. on the basis of step d, such as the second difference less than the first standard deviation, then stop one end to water gage glass into
Gas, and keep closing to the other end of water gage glass, the air pressure D in water pipe to be measured is recorded after a period of time, by air pressure D and air pressure
C is compared, and is acquired difference between the two and is defined as third difference, by the third difference and preset second standard
Difference is compared, and if third difference is less than the second standard deviation, then the water pipe is qualified products, as third difference is greater than second
Standard deviation, then the water pipe is substandard product.
Qualified products obtained in above-mentioned steps c and substandard product are respectively that the flow qualification of water pipe and flow do not conform to
Lattice are presented as water pipe in injection molding, and whether internal flash is qualified.
Qualified products obtained in above-mentioned steps d and step e and substandard product are respectively that the tube wall sealing of water pipe is qualified
It is unqualified with tube wall sealing, water pipe is presented as in injection molding, and tube wall whether there is crackle.
In a kind of highly preferred embodiment, the concrete operation method of step a is to stablize at least 1 second in gas source
Afterwards, air pressure A is recorded.
In a kind of highly preferred embodiment, the concrete operation method of step b is that gas source is switched to water gage glass
One end after, stablize at least 1 second after, record air pressure B.
In a kind of highly preferred embodiment, in step d, the air inlet of one end to water gage glass is kept and by water to be measured
After the other end of pipe is closed 1 second, air pressure C is recorded.
In a kind of highly preferred embodiment, in step e, stop the air inlet of one end to water gage glass and to water gage glass
The other end keep closing 1 second after, record air pressure D.
With reference to attached drawing 1, quality detecting method is molded for above-mentioned refrigerator ice-making water storage box L shape water pipe in the present embodiment
Detection device, including board 1, be fixed on board 1 and for treating the locating piece 2, setting that water gage glass positioned
On board 1 and one of port is used to connect the triple valve 3, the pressure sensing for detecting air pressure of one end to water gage glass
Device 4, the other end for being arranged on board 1 and being used to treat water gage glass carry out closed cylinder 5, other two end of triple valve 3
Mouth is separately connected gas source and pressure sensor 4, and above-mentioned pressure A, pressure B, pressure C, pressure D pass through pressure sensor 4 and survey
.
The cylinder body of cylinder 5 is fixed on board 1, by extending and retracting for the piston rod of cylinder 5, is realized to be measured
The closing and opening of the other end of water pipe.
The valve of the unlatching and stopping for controlling air inlet is connected between gas source and triple valve 3, in step a to step d
In, valve is opened, and air inlet is opened, and in step e, valve is closed, and stops air inlet.So as to more easily control air inlet, no
It needs every time to open and close air machinery.
Refrigerator ice-making water storage box in the present embodiment is molded quality detecting method and detection device with L shape water pipe, can avoid
It is accurate to the testing result of water pipe injection molding quality because of measurement error and erroneous judgement caused by equipment pressure transient, and detect speed
Fastly.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of refrigerator ice-making water storage box with L shape water pipe be molded quality detecting method, it is characterised in that: it the following steps are included:
A. record gas source is in access failure to air pressure A when in water gage glass；
B. gas source is switched to one end to water gage glass, records the air pressure B of gas source；
C. the air pressure B is compared with the air pressure A, acquires difference between the two and is defined as the first difference, by this
First difference is compared with preset standard deviation range, if first difference is within the scope of the standard deviation,
Then the water pipe is qualified products, and such as first difference exceeds the standard deviation range, then the water pipe is substandard product；
D. the air inlet of described one end to water gage glass is kept, and the other end to water gage glass is closed, a period of time postscript
Record is described to the air pressure C in water gage glass, and air pressure C is compared with preset standard value, acquires difference between the two
It is worth and is defined as the second difference, which is compared with preset first standard deviation, such as described second is poor
Value is greater than first standard deviation, then the water pipe is substandard product；
E. on the basis of step d, such as second difference is less than first standard deviation, then stops one to water gage glass
The air inlet at end, and the other end to water gage glass keeps closing, recorded after a period of time it is described to the air pressure D in water gage glass,
Air pressure D is compared with the air pressure C, difference between the two is acquired and is defined as third difference, by the third difference
It is compared with preset second standard deviation, such as the third difference is less than second standard deviation, then the water pipe
For qualified products, such as third difference is greater than second standard deviation, then the water pipe is substandard product.
2. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
The concrete operation method of the step a is after the gas source is stablized at least 1 second, to record the air pressure A.
3. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
The concrete operation method of the step b is that gas source is switched to behind one end of water gage glass, after stablizing at least 1 second, record
The air pressure B.
4. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
In the step d, keeps the air inlet of described one end to water gage glass and close the other end to water gage glass 1 second
Afterwards, the air pressure C is recorded.
5. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
In the step e, stops the air inlet of described one end to water gage glass and the other end to water gage glass keeps closing 1 second
Afterwards, the air pressure D is recorded.
6. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
Qualified products obtained in the step c and substandard product be respectively water pipe flow qualification and flow it is unqualified.
7. refrigerator ice-making water storage box according to claim 1 is molded quality detecting method with L shape water pipe, it is characterised in that:
Qualified products obtained in the step d and step e and substandard product are respectively the tube wall sealing qualification and tube wall of water pipe
It seals unqualified.
8. one kind is molded Quality Detection side for refrigerator ice-making water storage box of any of claims 1-7 L shape water pipe
The detection device of method, it is characterised in that: it includes board (1), is fixed on the board (1) and for described to be measured
Locating piece (2) that water pipe is positioned is arranged on the board (1) and one of port is described to water gage glass for connecting
The triple valve (3) of one end, the pressure sensor (4) for detecting air pressure, be arranged on the board (1) and for described
The other end to water gage glass carries out closed cylinder (5), other two port of the triple valve (3) is separately connected the gas source
With the pressure sensor (4).
9. the detection according to claim 8 for being molded quality detecting method for refrigerator ice-making water storage box L shape water pipe fills
It sets, it is characterised in that: the valve of the unlatching and stopping for controlling air inlet, In are connected between the gas source and triple valve (3)
The step a into step d, open by the valve, opens air inlet, and in the step e, the valve is closed, and stops air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655635.8A CN110530587B (en) | 2019-07-19 | 2019-07-19 | Method and device for detecting injection molding quality of L-shaped water pipe for ice making and water storage box of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655635.8A CN110530587B (en) | 2019-07-19 | 2019-07-19 | Method and device for detecting injection molding quality of L-shaped water pipe for ice making and water storage box of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110530587A true CN110530587A (en) | 2019-12-03 |
| CN110530587B CN110530587B (en) | 2021-09-07 |
Family
ID=68661923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655635.8A Active CN110530587B (en) | 2019-07-19 | 2019-07-19 | Method and device for detecting injection molding quality of L-shaped water pipe for ice making and water storage box of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857845A (en) * | 2021-01-08 | 2021-05-28 | 江西瑞展科技有限公司 | Quality inspection equipment used after production of injection molding machine |
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| CN203203767U (en) * | 2013-04-01 | 2013-09-18 | 广州市上腾电子科技有限公司 | Leakage test system |
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| CN104359636A (en) * | 2014-11-07 | 2015-02-18 | 珠海格力电器股份有限公司 | Water tank gas tightness detecting system |
| CN108279092A (en) * | 2018-02-01 | 2018-07-13 | 宿州大地网络科技有限公司 | Air-tightness detection device, system and detection method |
| CN208488225U (en) * | 2018-05-31 | 2019-02-12 | 汕头市瑞华塑胶有限公司 | A kind of airtight leak |
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2019
- 2019-07-19 CN CN201910655635.8A patent/CN110530587B/en active Active
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|---|---|---|---|---|
| CN1379232A (en) * | 2002-04-12 | 2002-11-13 | 周巽 | Electrometric measurer for flow resistance of capillary tube in pressure-type refrigerating system |
| CN101915645A (en) * | 2010-07-02 | 2010-12-15 | 浙江博威汽车空调有限公司 | Air-tightness detection device for automotive expansion valve and using method thereof |
| CN203203767U (en) * | 2013-04-01 | 2013-09-18 | 广州市上腾电子科技有限公司 | Leakage test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857845A (en) * | 2021-01-08 | 2021-05-28 | 江西瑞展科技有限公司 | Quality inspection equipment used after production of injection molding machine |
| CN112857845B (en) * | 2021-01-08 | 2023-03-24 | 益阳壹诺塑料制品有限公司 | Quality inspection equipment used after production of injection molding machine |
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| Publication number | Publication date |
|---|---|
| CN110530587B (en) | 2021-09-07 |
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