CN106679901A - Apparatus of testing air-tightness of vessel kind household electrical appliance - Google Patents
Apparatus of testing air-tightness of vessel kind household electrical appliance Download PDFInfo
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- CN106679901A CN106679901A CN201611111706.0A CN201611111706A CN106679901A CN 106679901 A CN106679901 A CN 106679901A CN 201611111706 A CN201611111706 A CN 201611111706A CN 106679901 A CN106679901 A CN 106679901A
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- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 239000000523 sample Substances 0.000 claims description 23
- 239000013074 reference sample Substances 0.000 claims description 15
- 230000000052 comparative effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000036461 convulsion Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 230000010354 integration Effects 0.000 abstract 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- G01M3/32—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 containers, e.g. radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an apparatus of testing air-tightness of a vessel kind household electrical appliance. The apparatus comprises a high-precision integration determination assembly, a motion device control assembly, an air pressure comparison control box and a holding support. The holding support comprises an upper holding plate and a lower holding plate. The high-precision integration determination assembly is arranged on one side of the top of the upper holding plate, and one side of the high-precision integration determination assembly is provided with a pressure display instrument. One side of the pressure display instrument is provided with a power switch, a qualified-state indicating lamp and an unqualified-state indicating lamp from top to bottom. The power switch, the qualified-state indicating lamp and the unqualified-state indicating lamp are all positioned on one side, close to the high-precision integration determination assembly, of the pressure display instrument. The apparatus has a simple structure, is economical and practical, can automatically detect and determine a test sample, and is high in intelligentization, high in detection efficiency and high in detection precision.
Description
Technical field
The present invention relates to household electrical appliances air-tightness testing device technical field, more particularly to a kind of vessel class household electrical appliances air tightness test
Equipment.
Background technology
Due to vessel（Insulating pot）Associated welds, assembling structure sealing station leak, are difficult to be found in batch production
Or quick detection is out, existing detection method is usually that gas or water are put into into vessel to check whether gas leakage or leak, this device
The bubble-tight detection method of ware class household electrical appliances needs to be put into water or other liquid, therefore to need extra clean, therefore substantially reduce
Detection efficiency, and general inflation precision is low, judges not accurate enough.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of vessel class household electrical appliances air-tightness testing device.
A kind of vessel class household electrical appliances air-tightness testing device proposed by the present invention, including the integrated judgement assembly of high accuracy, action
Device control assembly, air pressure compared with control box and rack, the rack includes upper placement plate and lower placement plate, it is described on put
The top side for putting plate is provided with the integrated judgement assembly of high accuracy, and the side of the integrated judgement assembly of high accuracy is provided with pressure and shows
Instrument, the side of the pressure display instrument is provided with from top to bottom on and off switch, qualified display lamp and unqualified display lamp, and power supply is opened
Close, qualified display lamp and unqualified display lamp are respectively positioned on the integrated judgement assembly of high accuracy near the side of pressure display instrument, described
In high precision the side of integrated judgement assembly is provided with test piece, and the test piece includes cylinder and two test fixtures, and vapour
Cylinder is located at the top of test piece, and test sample, and the top and bottom of test sample point are placed between two test fixtures
Do not contact with test fixture, the same side of the test piece is provided with two both hands triggers, and two both hands triggers point
Not Wei Yu test piece both sides, the test piece is provided with movement device control away from the side of the integrated judgement assembly of high accuracy
Assembly, and movement device control assembly is fixedly mounted on the top opposite side for placing plate, on the movement device control assembly
Counter timer is provided with, the movement device control assembly is connected with air pressure compared with control box, and air pressure contrast control by wire
Box processed is connected by wire with the integrated judgement assembly of high accuracy, and the air pressure compared with control box is fixedly mounted on lower placement plate
Top.
Preferably, the inside of the integrated judgement assembly of the high accuracy is provided with first circuit board, and first circuit board is provided with
The pin PE of chip U1, the chip U1 is connected with ground wire PE, and the pin L of the chip U1 is connected with 24 volts of power lines, described
The pin N of chip U1, pin COM, pin X2, pin X3, pin X4, pin X5, pin X6, pin X7 and pin COM0 connect
Be connected to 0 volt of power line, the pin X0 of the chip U1 is connected with both hands trigger, and the other end of both hands trigger and 0 volt it is electric
Source line is connected, and the pin X1 of the chip U1 is connected with emergency stop switch, and the other end of emergency stop switch and 0 volt of power line are connected
Connect, the emergency stop switch is fixedly mounted on the top for placing plate, and emergency stop switch is close positioned at the integrated judgement assembly of high accuracy
The side of test piece, the pin Y0 of the chip U1 is connected with the input of inflation electromagnetic valve D1, and inflates electromagnetic valve D1's
Outfan and 24 volts of power lines are connected, and the pin Y1 of the chip U1 is connected with the input of inflation electromagnetic valve D2, and inflates
The outfan of electromagnetic valve D2 and 24 volts of power lines are connected, and the pin Y2 of the chip U1 is connected with qualified display lamp, and qualified
The other end of display lamp and 24 volts of power lines are connected, and the pin Y3 of the chip U1 is connected with unqualified display lamp, and does not conform to
The other end of lattice display lamp and 24 volts of power lines are connected.
Preferably, the inside of the air pressure compared with control box is provided with second circuit board, and second circuit board is provided with chip
The pin L and pin N of U2, the chip U2 is connected with 0 volt of power line, and the pin V+ of the chip U2 is connected with pressure pair
It is connected with the pin COM of chip U2 than the electrode input end of sensor, and the negative input of pressure comparison sensor, it is described
Model FX1N-2AD-BD of chip U2.
Preferably, one end of the pressure display instrument is connected with the first end of the first T-shaped appendix, and described first is T-shaped defeated
Second end of trachea is connected with pressure-regulating valve, and the pressure-regulating valve is provided with appendix away from one end of the first T-shaped appendix,
And pressure-regulating valve is connected with air pump by appendix, the three-terminal link of the first T-shaped appendix has the second T-shaped appendix
The second end, and the first end of the second T-shaped appendix be connected with inflation electromagnetic valve D1 inlet end, the inflation electromagnetic valve D1's
Escape pipe is connected with the first end of the 3rd T-shaped appendix, and the second end of the 3rd T-shaped appendix is passed through in test piece, described
3rd end of the 3rd T-shaped appendix and the first inlet end of pressure comparison sensor, and the second air inlet of pressure comparison sensor
Pipe is connected with the 3rd end of the 4th T-shaped appendix, and the second end of the 4th T-shaped appendix is connected with reference work object, and the 4th T
The first end of type appendix is connected with the outlet side of inflation electromagnetic valve D2, the inlet end of the inflation electromagnetic valve and second T-shaped defeated
3rd end of trachea is connected.
Preferably, the reference work object is identical with the specification of test piece, and reference sample is placed with reference work object.
Preferably, the pressure comparison sensor is connected by wire with air pressure compared with control box.
Preferably, the upper placement plate and lower placement plate set gradually from top to bottom, and upper placement plate and lower placement plate position
On same axis, the upper bottom corner for placing plate is equipped with support bar, the bottom of four support bars respectively with lower placement
It is connected at the top of plate, and four support bars are located at the lower corner for placing plate, the lower bottom corner for placing plate is equipped with ten thousand
To wheel.
Beneficial effects of the present invention：
1st, assembly is controlled by movement device, air pressure compared with control box can be controlled by the detection information for receiving with 0.001MPa's
Precision is fed back in the integrated judgement assembly of high accuracy so that the accuracy of detection of the inflation of vessel class household electrical appliances air-tightness testing device
It is high；
2nd, by the integrated judgement assembly of high accuracy, the comparative information that pressure comparison control box is transmitted can be received, high accuracy collects
Can be judged according to comparative information into judgement assembly, and then qualified display lamp or unqualified display lamp are controlled,
Greatly improve detection efficiency and realize and test sample is judged automatically；
3rd, by pressure comparison sensor, the air pressure in test sample and reference sample can respectively be detected, and is pressed
Power contrast sensor is contrasted the air pressure in test sample and reference sample, in being finally delivered to pressure comparison control box,
Realize automatic detection；
4th, by air pressure compared with control box, the air pressure in the air pressure and reference sample in the test sample after pressurize can be carried out
Contrast, and comparing result is transferred in the integrated judgement assembly of high accuracy and is judged by air pressure compared with control box；
The simple structure of the present invention, economical and practical, intelligence degree is high, and vessel class household electrical appliances air-tightness testing device can be to test
Sample carries out automatic detection and judges automatically so that the detection efficiency of vessel class household electrical appliances air-tightness testing device is high, and vessel
The accuracy of detection of class household electrical appliances air-tightness testing device is high.
Description of the drawings
Fig. 1 is a kind of structural representation of vessel class household electrical appliances air-tightness testing device proposed by the present invention；
Fig. 2 is a kind of PLC control figures of vessel class household electrical appliances air-tightness testing device proposed by the present invention；
Fig. 3 is a kind of output circuit control figure of vessel class household electrical appliances air-tightness testing device proposed by the present invention.
In figure：The integrated judgement assembly of 1 high accuracy, 2 test pieces, 3 test samples, 4 cylinders, 5 test fixtures, 6 pressure show
Show instrument, 7 movement devices control assembly, 8 counter timers, 9 both hands triggers, 10 emergency stop switch, 11 air pressure compared with control boxes, 12
Upper placement plate, 13 times placement plates, 14 universal wheels.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
Integrated judgement assembly 1, the action dress of reference picture 1-3, a kind of vessel class household electrical appliances air-tightness testing device, including high accuracy
Control assembly 7, air pressure compared with control box 11 and rack are put, rack includes upper placement plate 12 and lower placement plate 13, upper placement
The top side of plate 12 is provided with the integrated judgement assembly 1 of high accuracy, and the integrated judgement assembly 1 of high accuracy can receive pressure comparison control
The comparative information that box 11 is transmitted, and in high precision integrated judgement assembly 1 can be judged according to comparative information, and then high accuracy
Integrated judgement assembly 1 is controlled to qualified display lamp or unqualified display lamp, realizes and test sample is sentenced automatically
Fixed, the side of the integrated judgement assembly 1 of high accuracy is provided with pressure display instrument 6, and pressure display instrument 6 shows respectively test sample and ginseng
Pressure in product in the same old way, the side of pressure display instrument 6 is provided with from top to bottom on and off switch, qualified display lamp and unqualified instruction
Lamp, and on and off switch, qualified display lamp and unqualified display lamp are respectively positioned on the integrated judgement assembly 1 of high accuracy near pressure display instrument
6 side, the side of the integrated judgement assembly 1 of high accuracy is provided with test piece 2, and test piece 2 includes cylinder 4 and two test clips
Tool 5, and cylinder 4 is located at the top of test piece 2, is placed with test sample 3 between two test fixtures 5, and test sample 3
Top and bottom contact respectively with test fixture 5, test fixture 5 for being fixed to test sample, test piece 2 it is same
Side is provided with two both hands triggers 9, and two both hands triggers 9 respectively positioned at the both sides of test piece 2, and test piece 2 is remote
Movement device control assembly 7 is provided with from the side of the integrated judgement assembly 1 of high accuracy, and movement device control assembly 7 is fixedly mounted
In the top opposite side of upper placement plate 12, movement device control assembly 7 can control the inspection that air pressure compared with control box 11 will be received
Measurement information is fed back in the integrated judgement assembly 1 of high accuracy with the precision of 0.001MPa so that vessel class household electrical appliances air tightness test sets
Standby accuracy of detection is high, and movement device control assembly 7 is provided with counter timer 8, and counter timer 8 is used to enter inflationtime
Row timing, movement device control assembly 7 is connected with air pressure compared with control box 11 by wire, and air pressure compared with control box 11 passes through
Wire is connected with the integrated judgement assembly 1 of high accuracy, and air pressure compared with control box 11 is fixedly mounted on the top of lower placement plate 13, gas
Pressure compared with control box 11 can be contrasted the air pressure in the air pressure and reference sample in the test sample 3 after pressurize, and gas
Comparing result is transferred in the integrated judgement assembly 1 of high accuracy and is judged by pressure compared with control box 11.
In the present invention, the inside of the integrated judgement assembly 1 of high accuracy is provided with first circuit board, and first circuit board is provided with core
The pin PE of piece U1, chip U1 is connected with ground wire PE, and the pin L of chip U1 is connected with 24 volts of power lines, the pin N of chip U1,
Pin COM, pin X2, pin X3, pin X4, pin X5, pin X6, pin X7 and pin COM0 are respectively connected with 0 volt of power line,
The pin X0 of chip U1 is connected with both hands trigger 9, and the other end of both hands trigger 9 and 0 volt of power line are connected, chip U1
Pin X1 be connected with emergency stop switch 10, and the other end of emergency stop switch 10 and 0 volt of power line are connected, and emergency stop switch 10 is fixed
Installed in the top of upper placement plate 12, and emergency stop switch 10 is located at the integrated judgement assembly 1 of high accuracy near the one of test piece 2
Side, the pin Y0 of chip U1 is connected with the input of inflation electromagnetic valve D1, and inflates the outfan and 24 volts of power supplys of electromagnetic valve D1
Line is connected, and the pin Y1 of chip U1 is connected with the input of inflation electromagnetic valve D2, and inflates the outfan and 24 of electromagnetic valve D2
Volt power line is connected, and the pin Y2 of chip U1 is connected with qualified display lamp, and the other end of qualified display lamp and 24 volts of power supplys
Line is connected, and the pin Y3 of chip U1 is connected with unqualified display lamp, and the other end of unqualified display lamp and 24 volts of power lines
It is connected, model FX1N-20MT of chip U1, the integrated judgement assembly 1 of high accuracy is passed for receiving pressure comparison control box
Defeated comparative information, and the integrated judgement assembly 1 of high accuracy can be judged according to comparative information, air pressure compared with control box it is interior
Portion is provided with second circuit board, and second circuit board is provided with chip U2, and the pin L and pin N of chip U2 are and 0 volt of power line phase
Connection, the pin V+ of chip U2 is connected with the electrode input end of pressure comparison sensor, and the negative pole of pressure comparison sensor is defeated
Enter end to be connected with the pin COM of chip U2, model FX1N-2AD-BD of chip U2, air pressure compared with control box is used to protect
The air pressure in air pressure and reference sample in test sample after pressure is contrasted, and air pressure compared with control box passes comparing result
Judged in the defeated integrated judgement assembly 1 to high accuracy, one end of pressure display instrument 6 is connected with the first of the first T-shaped appendix
End, the second end of the first T-shaped appendix is connected with pressure-regulating valve, and pressure-regulating valve sets away from one end of the first T-shaped appendix
There is an appendix, and pressure-regulating valve is connected with air pump by appendix, the three-terminal link of the first T-shaped appendix has second T-shaped
Second end of appendix, and the first end of the second T-shaped appendix is connected with the inlet end of inflation electromagnetic valve D1, inflates electromagnetic valve D1
Escape pipe be connected with the first end of the 3rd T-shaped appendix, and the second end of the 3rd T-shaped appendix is passed through in test piece,
3rd end of three T-shaped appendixs and the first inlet end of pressure comparison sensor, and the second air inlet pipe of pressure comparison sensor
The 3rd end of the 4th T-shaped appendix is connected with, the second end of the 4th T-shaped appendix is connected with reference work object, and the 4th T-shaped gas transmission
The first end of pipe is connected with the outlet side of inflation electromagnetic valve D2, inflates the inlet end of electromagnetic valve and the 3rd of the second T-shaped appendix the
End is connected, and reference work object is identical with the specification of test piece, and reference sample is placed with reference work object, opens when both hands are pressed
During dynamic device 9, inflation electromagnetic valve D2 can be inflated to the reference sample in reference work object, while inflate electromagnetic valve D1 can be right
Test sample 3 in test piece 2 is inflated, and when counter timer 8 reaches setting time, inflates electromagnetic valve D1 and inflation
Electromagnetic valve D2 stops inflation simultaneously, and now pressure comparison sensor is used for test sample 3 and the difference of the air pressure in reference sample
Detected, and pressure comparison sensor is contrasted test sample 3 and the air pressure in reference sample, pressure comparison sensor
And comparing result is transferred in pressure comparison control box 11, upper placement plate 12 and lower placement plate 13 set gradually from top to bottom,
And upper placement plate 12 and lower placement plate 13 are located on same axis, the upper bottom corner for placing plate 12 is equipped with support bar, four
The bottom of support bar is connected respectively with the top of lower placement plate 13, and four support bars are located at the lower corner for placing plate 13, under
The bottom corner for placing plate 13 is equipped with universal wheel 14, and the simple structure of the present invention is economical and practical, and intelligence degree is high, vessel
Class household electrical appliances air-tightness testing device can carry out automatic detection to test sample and judge automatically so that vessel class household electrical appliances are airtight
Property test equipment detection efficiency it is high, and the accuracy of detection of vessel class household electrical appliances air-tightness testing device is high.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of integrated judgement assembly (1) of vessel class household electrical appliances air-tightness testing device, including high accuracy, movement device control assembly
(7), air pressure compared with control box (11) and rack, it is characterised in that the rack includes upper placement plate (12) and lower placement
Plate (13), the upper top side for placing plate (12) is provided with the integrated judgement assembly (1) of high accuracy, and the integrated judgement of high accuracy is total
Side into (1) is provided with pressure display instrument (6), and the side of the pressure display instrument (6) is provided with from top to bottom on and off switch, qualified
Display lamp and unqualified display lamp, and on and off switch, qualified display lamp and unqualified display lamp are respectively positioned on the integrated judgement of high accuracy
Near the side of pressure display instrument (6), the side of the integrated judgement assembly (1) of the high accuracy is provided with test piece to assembly (1)
(2), the test piece (2) includes cylinder (4) and two test fixtures (5), and cylinder (4) is positioned at the top of test piece (2)
Portion, is placed with test sample (3) between two test fixtures (5), and the top and bottom of test sample (3) respectively with test clip
Tool (5) contacts, and the same side of the test piece (2) is provided with two both hands triggers (9), and two both hands triggers (9)
Respectively positioned at the both sides of test piece (2), the test piece (2) is provided with away from the side of the integrated judgement assembly (1) of high accuracy
Movement device control assembly (7), and movement device control assembly (7) is fixedly mounted on the top opposite side for placing plate (12),
Movement device control assembly (7) is provided with counter timer (8), and movement device control assembly (7) is connected by wire
Air pressure compared with control box (11), and air pressure compared with control box (11) are connected to by wire and integrated judgement assembly (1) phase of high accuracy
Connection, the air pressure compared with control box (11) is fixedly mounted on the top of lower placement plate (13).
2. a kind of vessel class household electrical appliances air-tightness testing device according to claim 1, it is characterised in that the high accuracy collection
First circuit board is provided with into the inside for judging assembly (1), and first circuit board is provided with chip U1, the pin PE of the chip U1
Ground wire PE is connected with, the pin L of the chip U1 is connected with 24 volts of power lines, the pin N of the chip U1, pin COM, pin
X2, pin X3, pin X4, pin X5, pin X6, pin X7 and pin COM0 are respectively connected with 0 volt of power line, the chip U1's
Pin X0 is connected with both hands trigger (9), and the other end of both hands trigger (9) and 0 volt of power line are connected, the chip U1
Pin X1 be connected with emergency stop switch (10), and the other end of emergency stop switch (10) and 0 volt of power line are connected, and the jerk is opened
Close (10) and be fixedly mounted on the top for placing plate (12), and emergency stop switch (10) is leaned on positioned at the integrated judgement assembly (1) of high accuracy
The side of nearly test piece (2), the pin Y0 of the chip U1 is connected with the input of inflation electromagnetic valve D1, and inflates electromagnetic valve
The outfan of D1 and 24 volts of power lines are connected, and the pin Y1 of the chip U1 is connected with the input of inflation electromagnetic valve D2, and
The outfan and 24 volts of power lines of inflation electromagnetic valve D2 is connected, and the pin Y2 of the chip U1 is connected with qualified display lamp, and
The other end of qualified display lamp and 24 volts of power lines are connected, and the pin Y3 of the chip U1 is connected with unqualified display lamp, and
The other end of unqualified display lamp and 24 volts of power lines are connected, model FX1N-20MT of the chip U1, the high accuracy
Integrated judgement assembly (1) is for receiving the comparative information that pressure comparison control box is transmitted, and the integrated judgement assembly (1) of high accuracy
Can be judged according to comparative information.
3. a kind of vessel class household electrical appliances air-tightness testing device according to claim 1, it is characterised in that the air pressure contrast
The inside of control box is provided with second circuit board, and second circuit board is provided with chip U2, the pin L and pin N of the chip U2
It is connected with 0 volt of power line, the pin V+ of the chip U2 is connected with the electrode input end of pressure comparison sensor, and pressure
The negative input of contrast sensor is connected with the pin COM of chip U2, model FX1N-2AD-BD of the chip U2,
The air pressure compared with control box is used to be contrasted the air pressure in the air pressure and reference sample in the test sample after pressurize, and
Comparing result is transferred in the integrated judgement assembly (1) of high accuracy and is judged by air pressure compared with control box.
4. a kind of vessel class household electrical appliances air-tightness testing device according to claim 1, it is characterised in that the pressure shows
One end of instrument (6) is connected with the first end of the first T-shaped appendix, and the second end of the first T-shaped appendix is connected with pressure tune
Section valve, the pressure-regulating valve is provided with appendix away from one end of the first T-shaped appendix, and pressure-regulating valve is connected by appendix
Air pump is connected to, the three-terminal link of the first T-shaped appendix has the second end of the second T-shaped appendix, and the second T-shaped appendix
First end be connected with the inlet end of inflation electromagnetic valve D1, the escape pipe of the inflation electromagnetic valve D1 is connected with the 3rd T-shaped gas transmission
The first end of pipe, and the second end of the 3rd T-shaped appendix is passed through in test piece, the 3rd end of the 3rd T-shaped appendix and
First inlet end of pressure comparison sensor, and the second air inlet pipe of pressure comparison sensor is connected with the 4th T-shaped appendix
3rd end, the second end of the 4th T-shaped appendix is connected with reference work object, and the first end of the 4th T-shaped appendix is connected with
3rd end of the outlet side of inflation electromagnetic valve D2, the inlet end of the inflation electromagnetic valve and the second T-shaped appendix is connected, described
Inflation electromagnetic valve D1 can be inflated to the test sample (3) in test piece (2).
5. a kind of vessel class household electrical appliances air-tightness testing device according to claim 4, it is characterised in that the reference work object
It is identical with the specification of test piece, and reference sample is placed with reference work object, the inflation electromagnetic valve D2 can be to reference to work
Reference sample on part is inflated.
6. a kind of vessel class household electrical appliances air-tightness testing device according to claim 1 or 4, it is characterised in that the pressure
Power contrast sensor is connected by wire with air pressure compared with control box (11), and the pressure comparison sensor is used for test specimens
Air pressure in product (3) and reference sample is detected respectively, and pressure comparison sensor is by test sample (3) and reference sample
Air pressure contrasted.
7. a kind of vessel class household electrical appliances air-tightness testing device according to claim 1, it is characterised in that the upper placement plate
(12) set gradually from top to bottom with lower placement plate (13), and upper placement plate (12) and lower placement plate (13) are positioned at same axis
On, the upper bottom corner for placing plate (12) is equipped with support bar, and plate (13) is placed in the bottom of four support bars with lower respectively
Top be connected, and four support bars are located at the corner of lower placement plate (13), and the lower bottom corner for placing plate (13) is equal
It is provided with universal wheel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111706.0A CN106679901A (en) | 2016-12-06 | 2016-12-06 | Apparatus of testing air-tightness of vessel kind household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111706.0A CN106679901A (en) | 2016-12-06 | 2016-12-06 | Apparatus of testing air-tightness of vessel kind household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679901A true CN106679901A (en) | 2017-05-17 |
Family
ID=58867735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611111706.0A Pending CN106679901A (en) | 2016-12-06 | 2016-12-06 | Apparatus of testing air-tightness of vessel kind household electrical appliance |
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| CN (1) | CN106679901A (en) |
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2016
- 2016-12-06 CN CN201611111706.0A patent/CN106679901A/en active Pending
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| CN103837312A (en) * | 2012-11-22 | 2014-06-04 | 赛龙通信技术（深圳）有限公司 | Airtightness automatic test system and test method |
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| CN205562131U (en) * | 2016-03-23 | 2016-09-07 | 漳州万利达生活电器有限公司 | Atomization plate gas tightness test fixture |
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