CN209656270U - A kind of electronic cigarette performance testing device - Google Patents
A kind of electronic cigarette performance testing device Download PDFInfo
- Publication number
- CN209656270U CN209656270U CN201920700507.6U CN201920700507U CN209656270U CN 209656270 U CN209656270 U CN 209656270U CN 201920700507 U CN201920700507 U CN 201920700507U CN 209656270 U CN209656270 U CN 209656270U
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- Prior art keywords
- air inlet
- module
- electronic cigarette
- probe
- performance testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 60
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 76
- 239000000523 sample Substances 0.000 claims description 60
- 238000007789 sealing Methods 0.000 claims description 25
- 230000035945 sensitivity Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000013022 venting Methods 0.000 description 8
- 206010037660 Pyrexia Diseases 0.000 description 5
- 230000006399 behavior Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The utility model relates to electronic cigarette the field of test technology more particularly to a kind of electronic cigarette performance testing devices.Electronic cigarette performance testing device provided by the utility model, by being arranged profiling carrier between air inlet block and out air parcel, and cigarette holder is arranged in profiling carrier, the inlet channel of air inlet block is set to be connected with the air inlet of cigarette holder, the outlet passageway of air parcel is connected with the venthole of cigarette holder out, to realize without assembling electronic cigarette, can be tested for the property to the cigarette holder of electronic cigarette, it avoids dismantling electronic cigarette repeatedly, extends the service life of electronic cigarette.
Description
Technical field
The utility model relates to electronic cigarette the field of test technology more particularly to a kind of electronic cigarette performance testing devices.
Background technique
Substitute of the electronic cigarette as cigarette, to the evaluation of its performance mainly embody a concentrated expression of sensitivity behaviour, ventilation and
It feels suffocated performance etc., wherein sensitivity behaviour shows as smoker and opens dynamics required for electronic cigarette of lighting in smoking,
Generally use the sensitivity of the heating wire of probe test cigarette holder；Performance of ventilating and feel suffocated is that smoker inhales in smoking process
Whether the weight of gas, specially smoker feel that air-breathing is smooth in electrophilic cigarette, that is, needs to test the air inlet of cigarette holder and go out
Whether port unobstructed and cigarette holder inside leakproofness.
Currently, needing to assemble electronic cigarette, then by the sample of electronic cigarette inserting instrument for ventilation and test of feeling suffocated
Suction nozzle, and certain no load discharge air-flow is set on instrument, electronic cigarette " is lighted " to generate suction, records " lighting " moment
Suction and output voltage, this suction and voltage are compared with the bound of standard requirements, and then obtain the property of electronic cigarette
It can parameter.However repeatedly test needs repeatedly to dismantle electronic cigarette repeatedly, to influence the service life of electronic cigarette.
It would therefore be highly desirable to need a kind of electronic cigarette performance testing device to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of electronic cigarette performance testing device, can be realized without assembling electronics
Cigarette can be tested for the property the cigarette holder of electronic cigarette, avoid dismantling electronic cigarette repeatedly, extend the service life of electronic cigarette.
To achieve the above object, the following technical schemes are provided:
A kind of electronic cigarette performance testing device, the electronic cigarette include cigarette holder, and the cigarette holder includes the air inlet being connected
And venthole, comprising:
Profiling carrier, for accommodating and fixing the cigarette holder；
Air inlet module, including air inlet block, are provided with inlet channel on the air inlet block, the inlet channel be configured as with
The air inlet is connected；
Outlet module, including go out air parcel, it is described go out air parcel on be provided with outlet passageway, the outlet passageway be configured as with
The venthole is connected；
The profiling carrier is arranged between the air inlet module and the outlet module, the inlet channel, it is described into
Stomata, the venthole and the outlet passageway are sequentially connected logical.
Further, the air inlet module further includes sealing block, is provided with the first holding tank on the sealing block, it is described into
Air parcel is arranged in first holding tank.
Further, inlet seal circle is provided between the sealing block and the profiling carrier.
Further, the second holding tank is provided on the sealing block, the inlet seal circle setting is held described second
It receives in slot.
Further, described to go out to be provided with outlet gasket between air parcel and the profiling carrier.
Further, further includes:
Probe module, including probe are provided with the probe channel passed through for the probe, the spy on the air inlet module
Needle is used to contact the sensitivity of the cigarette holder.
Further, it is provided with the first probe channel on the air inlet block, it is logical that the second probe is provided on the sealing block
Road, first probe channel are connected with second probe channel.
Further, the probe module further includes mounting blocks, and spy is provided between the mounting blocks and the sealing block
Needle sealing ring.
It further, further include ballast module, the ballast module includes:
Kentledge, is provided with ballast gasket, and the ballast gasket is configured to block the air inlet.
It further, further include scan module, including scanner and scan driving mechanism, the scan driving mechanism can
The scanner is driven to be moved to the top of the profiling carrier for scanning the cigarette holder.
Compared with prior art, the utility model has the following beneficial effects:
Electronic cigarette performance testing device provided by the utility model, by by the setting of profiling carrier in air inlet block and air parcel out
Between, and cigarette holder is arranged in profiling carrier, so that the inlet channel of air inlet block is connected with the air inlet of cigarette holder, out air parcel
Outlet passageway is connected with the venthole of cigarette holder, can cigarette holder progressive to electronic cigarette to realize without assembling electronic cigarette
It can test, avoid dismantling electronic cigarette repeatedly, extend the service life of electronic cigarette.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram of the cigarette holder of electronic cigarette provided by the utility model；
Fig. 2 is the structural schematic diagram of electronic cigarette performance testing device provided by the utility model；
Fig. 3 is the ventilation of electronic cigarette performance testing device provided by the utility model and the signal of sensitivity test structure
Figure；
Fig. 4 is the structural representation of probe module provided by the utility model, air inlet module, profiling carrier and outlet module
Figure；
Fig. 5 is the explosive view of one probe module provided by the utility model, air inlet module and outlet module direction；
Fig. 6 is the explosive view of probe module provided by the utility model, another direction of air inlet module and outlet module；
Fig. 7 is that feeling suffocated for electronic cigarette performance testing device provided by the utility model tests the schematic diagram of structure；
Fig. 8 is the structural schematic diagram of ballast module provided by the utility model, profiling carrier and outlet module；
Fig. 9 is the schematic diagram of scan module provided by the utility model and profiling carrier.
Appended drawing reference:
100- cigarette holder；101- air inlet；102- venthole；103- fever wire hole；
1- profiling carrier；
2- air inlet module；21- air inlet block；211- inlet channel；The first probe of 212- channel；22- sealing block；221- first
Holding tank；The second holding tank of 222-；The second probe of 223- channel；23- inlet seal circle；
3- outlet module；31- goes out air parcel；311- outlet passageway；32- outlet gasket；
4- probe module；41- probe；42- mounting blocks；43- probe sealing ring；
5- ballast module；51- kentledge；52- ballast gasket；
6- scan module；61- scanner；62- scan driving mechanism；621- rotary cylinder；622- mounting plate；
7- lift drive mechanism；71- lifting cylinder；72- lifting guide pillar；
8- forward drive mechanism；Inlet casing before 81-；82- advance guide rail；
9- buffer gear.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "vertical", " water
It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings or this product
The orientation or positional relationship usually put when use is merely for convenience of description the utility model, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
As shown in connection with fig. 6 such as Fig. 1, the cigarette holder 100 of electronic cigarette includes the air inlet 101 and venthole 102 being connected, specifically
, the upper end of cigarette holder 100 is arranged in two air inlets 101, and the lower end of cigarette holder 100, cigarette is arranged in one long flat venthole 102
Smoothness between the venting capability fingering stomata 101 and venthole 102 of mouth 100, the performance of feeling suffocated of cigarette holder 100 refer to cigarette holder 100
Internal leakproofness.In addition, cigarette holder 100 further includes fever wire hole 103, using 41 contact heating wire hole 103 of probe to test cigarette
The sensitivity behaviour of mouth 100.
As shown in figures 2-6, a kind of electronic cigarette performance testing device is present embodiments provided, for testing the cigarette holder of electronic cigarette
100 sensitivity behaviour, venting capability and performance of feeling suffocated.
Electronic cigarette performance testing device provided in this embodiment includes profiling carrier 1, air inlet module 2 and outlet module 3,
In, profiling carrier 1 is for accommodating and fixing cigarette holder 100, so that can test cigarette holder 100 without assembling electronic cigarette.Into
Gas module 2 and outlet module 3 are matched with profiling carrier 1 to carry out the venting capability of test cigarette holder 100 and performance of feeling suffocated.
Optionally, air inlet module 2 includes air inlet block 11, is provided with inlet channel 211, inlet channel 211 on air inlet block 11
It is configured as being connected with air inlet 101；Outlet module 3 includes air parcel 31, is provided with outlet passageway 311 on air parcel 31 out,
Outlet passageway 311 is configured as being connected with venthole 102.Profiling carrier 1 is arranged between air inlet module 2 and outlet module 3,
And inlet channel 211, air inlet 101, venthole 102 and outlet passageway 311 be sequentially connected it is logical, in order to test cigarette holder 100
Venting capability and performance of feeling suffocated.
Electronic cigarette performance testing device provided in this embodiment, by being arranged profiling carrier 1 in air inlet block 11 and outlet
Between block 31, and cigarette holder 100 is arranged in profiling carrier 1, makes the inlet channel 211 of air inlet block 11 and the air inlet of cigarette holder 100
Hole 101 is connected, and the outlet passageway 311 of air parcel 31 is connected with the venthole 102 of cigarette holder 100 out, to realize without assembling
Electronic cigarette, can the cigarette holder 100 to electronic cigarette be tested for the property, avoid dismantling electronic cigarette repeatedly, extend the use of electronic cigarette
Service life.
Illustratively, during testing 100 venting capability of cigarette holder, from inlet channel 211 be filled with tool to cigarette holder 100
There is the air of certain pressure, which enters logical from outlet via the venthole 102 of cigarette holder 100 from the air inlet 101 of cigarette holder 100
Road 311 is discharged, and tests the air pressure that outlet passageway 311 is discharged to obtain the venting capability parameter of cigarette holder 100.
Illustratively, during test cigarette holder 100 feels suffocated performance, the inlet channel 211 of air inlet module 2 is blocked,
It extracts the air in cigarette holder 100 out from outlet passageway 311, the suction of cigarette holder 100 is obtained, to obtain the performance of feeling suffocated of cigarette holder 100
Parameter.
Preferably, air inlet module 2 further includes sealing block 22, is provided with inlet seal between sealing block 22 and profiling carrier 1
Circle 23, to guarantee the leakproofness of air inlet module 2, prevents the hollow gas leakage of test process, guarantees the accuracy of test result.
Specifically, being provided with the second holding tank on sealing block 22 to improve the sealing effect of inlet seal circle 23
222, inlet seal circle 23 is arranged in the second holding tank 222.
Optionally, in order to improve out the leakproofness between air parcel 31 and profiling carrier 1, out air parcel 31 and profiling carrier 1 it
Between be provided with outlet gasket 32.Illustratively, outlet gasket 32 is circle, offers venthole thereon, venthole with go out
Outlet passageway 311 on air parcel 31 is connected.
In order to improve the accuracy of test result, air inlet module 2 further includes sealing block 22, is provided with first on sealing block 22
Holding tank 221, for accommodating and fixing air inlet block 11.
Preferably, test device further includes probe module 4, and probe module 4 includes probe 41, is provided on air inlet module 2
For the probe channel that probe 41 passes through, probe 41 is used to contact the sensitivity of cigarette holder 100.It is specific and, probe 41 can be to moving down
It is dynamic to be in contact with the fever wire hole 103 of cigarette holder 100, in order to test the sensitivity of cigarette holder 100.
Further, it is provided with the first probe channel 212 on air inlet block 11, the second probe channel is provided on sealing block 22
213, the first probe channel 212 is connected with the second probe channel 213, and probe 41 creates the first probe channel 212, the second probe leads to
Road 213 enters the fever wire hole 103 of cigarette holder 100, to carry out sensitivity test.
Optionally, probe module 4 further includes mounting blocks 42, and probe 41 is arranged on mounting blocks 42, mounting blocks 42 and sealing
It is provided with probe sealing ring 43 between block 22, to ensure the leakproofness of air inlet module 2, guarantees the accuracy of test result.Specifically
For, it is provided with through-hole 421 on mounting blocks 42 so that probe 41 passes through, protects probe 41.
Electronic cigarette performance testing device provided in this embodiment, by setting air inlet module 2 and probe module 4, and into
Probe channel is set in gas module 2, can be realized while testing the venting capability and sensitivity behaviour of cigarette holder 100, improves test
Efficiency.
Preferably, test device further includes lift drive mechanism 7, for driving probe module 4 or about 5 ballast module to transport
It is dynamic, to carry out the ventilation of cigarette holder 100 test and test of feeling suffocated respectively.
Optionally, lift drive mechanism 7 includes liftable mounting plate, for installing fixed probe module 4, is risen in order to pass through
Dropping driving mechanism 7 drives probe module 4 to move up and down.Specifically, probe module 4 is to be removably attached to liftable mounting plate
On.
Further, lift drive mechanism 7 includes lifting cylinder 71 and lifting guide pillar 72, and lifting cylinder 71 passes through pressure plate
It is connected with probe module 4, to realize that probe module 4 moves up and down along lifting guide pillar 72, guarantees ventilation and sensitivity test knot
The accuracy of fruit.
Further, lifting cylinder 71 is connected by pressure plate with ballast module 5, realizes that ballast module 5 is led along lifting
Bar 72 moves up and down, and guarantees the accuracy of test result of feeling suffocated.
Preferably, test device further includes forward drive mechanism 8, for driving outlet module 3, profiling carrier 1 and air inlet
Module 2 is moved forward and backward, and in order to adjust its position, guarantees the accuracy of test result.
Further, forward drive mechanism 8 includes preceding inlet casing 81 and advance guide rail 82, and preceding inlet casing 81 passes through mounting rack
It is connected with outlet module 3 and profiling carrier 1, to realize that outlet module 3 and profiling carrier 1 are moved forward and backward along advance guide rail 82,
Guarantee the accuracy of test result.
Optionally, test device further includes buffer gear 9, is arranged on the liftable mounting plate of lift drive mechanism 9, is used for
Reduce impact force when liftable mounting plate decline, protection tester.
Preferably, as Figure 7-8, test device further includes ballast module 5, when test cigarette holder 100 feels suffocated performance, is torn open
Except air inlet module 2, keep the air inlet 101 of cigarette holder 100 exposed, the air inlet 101 of cigarette holder 100 then blocked using ballast module 5,
To carry out testing experiment.
Specifically, ballast module 5 includes kentledge 51 and ballast gasket 52, kentledge 51 is removably attached to rise
It drops on mounting plate.Accommodating chamber is provided on kentledge 51, ballast gasket 52 is arranged in accommodating chamber, suppresses in test cigarette holder 100
When gas performance, kentledge 51 is compressed to the upper end of cigarette holder 100, and makes the air inlet of the blocking cigarette holder 100 of ballast gasket 52
101, to carry out testing experiment.
Preferably, as shown in figure 9, test device further includes scan module 6, for scanning and reading the data of cigarette holder 100
Information.Scan module 6 includes scanner 61 and scan driving mechanism 62, and scan driving mechanism 62 can drive scanner 61 mobile
To 1 top of profiling carrier for scanning cigarette holder 100.
Further, scan driving mechanism 62 includes rotary cylinder 621 and mounting plate 622, and the setting of scanner 61 is being installed
On plate 622, rotary cylinder 621 can drive installation plate 622 rotate, with when needed by scanner 61 be moved to profiling carry
1 top of tool.
Illustratively, scanner 61 can use near field communication technology and realize the data information for reading cigarette holder 100.
In order to facilitate understanding, the course of work of electronic cigarette performance testing device provided in this embodiment is as follows:
Electronic cigarette performance testing device provided in this embodiment can directly test the performance of cigarette holder 100, without assembling electronics
Cigarette.Barcode scanning preservation is carried out to cigarette holder 100 using scanner 61, records data.
After the completion of barcode scanning, aeration test is carried out, starting lift drive mechanism 7 declines probe module 4, and probe 41 passes through
Air inlet module 2 enters the fever wire hole 103 of cigarette holder 100, and the air of certain pressure is then filled with from air inlet module 2, tests outlet
The air pressure that module 3 is discharged passes through the air pressure of comparison discharge and the aeration for the venting pressure acquisition cigarette holder 100 being filled with
Energy.
Test of feeling suffocated is carried out, starting lift drive mechanism 7 declines ballast module 5, and ballast gasket 52 pushes down cigarette holder 100
Air inlet 101, make without gas leakage around electronic cigarette, then from the outlet passageway 311 of outlet module 3 to being carried out inside cigarette holder 100
It blows, the atmospheric pressure value bound for observing its atmospheric pressure value and setting compares, to obtain the performance of feeling suffocated of cigarette holder 100.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment mentioned here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of electronic cigarette performance testing device, the electronic cigarette includes cigarette holder (100), and the cigarette holder (100) includes being connected
Air inlet (101) and venthole (102) characterized by comprising
Profiling carrier (1), for accommodating and fixing the cigarette holder (100)；
Air inlet module (2), including air inlet block (11) are provided with inlet channel (211) on the air inlet block (11), and the air inlet is logical
Road (211) is configured as being connected with the air inlet (101)；
Outlet module (3), including go out air parcel (31), it is provided with outlet passageway (311) on air parcel (31) out, the outlet is logical
Road (311) is configured as being connected with the venthole (102)；
The profiling carrier (1) is arranged between the air inlet module (2) and the outlet module (3), the inlet channel
(211), the air inlet (101), the venthole (102) and the outlet passageway (311) are sequentially connected logical.
2. electronic cigarette performance testing device according to claim 1, which is characterized in that the air inlet module (2) further includes
Sealing block (22) is provided with the first holding tank (221) on the sealing block (22), and the air inlet block (11) is arranged described first
In holding tank (221).
3. electronic cigarette performance testing device according to claim 2, which is characterized in that the sealing block (22) is imitated with described
Inlet seal circle (23) are provided between shape carrier (1).
4. electronic cigarette performance testing device according to claim 3, which is characterized in that be provided on the sealing block (22)
Second holding tank (222), inlet seal circle (23) setting is in second holding tank (222).
5. electronic cigarette performance testing device according to claim 4, which is characterized in that air parcel (31) out and described imitative
Outlet gasket (32) are provided between shape carrier (1).
6. according to the described in any item electronic cigarette performance testing devices of claim 2-5, which is characterized in that further include:
Probe module (4), including probe (41) are provided with the probe passed through for the probe (41) on the air inlet module (2)
Channel, the probe (41) are used to contact the sensitivity of the cigarette holder (100).
7. electronic cigarette performance testing device according to claim 6, which is characterized in that be provided on the air inlet block (11)
First probe channel (212) is provided with the second probe channel (213), first probe channel on the sealing block (22)
(212) it is connected with second probe channel (213).
8. electronic cigarette performance testing device according to claim 7, which is characterized in that the probe module (4) further includes
Mounting blocks (42) are provided with probe sealing ring (43) between the mounting blocks (42) and the sealing block (22).
9. electronic cigarette performance testing device according to claim 1, which is characterized in that it further include ballast module (5), it is described
Ballast module (5) includes:
Kentledge (51) is provided with ballast gasket (52), and the ballast gasket (52) is configured to blocking institute
State air inlet (101).
10. electronic cigarette performance testing device according to claim 1, which is characterized in that it further include scan module (6), packet
Scanner (61) and scan driving mechanism (62) are included, the scan driving mechanism (62) can drive the scanner (61) mobile
To the top of the profiling carrier (1) for scanning the cigarette holder (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700507.6U CN209656270U (en) | 2019-05-16 | 2019-05-16 | A kind of electronic cigarette performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700507.6U CN209656270U (en) | 2019-05-16 | 2019-05-16 | A kind of electronic cigarette performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656270U true CN209656270U (en) | 2019-11-19 |
Family
ID=68530321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920700507.6U Expired - Fee Related CN209656270U (en) | 2019-05-16 | 2019-05-16 | A kind of electronic cigarette performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432740A (en) * | 2020-09-21 | 2021-03-02 | 深圳市吉迩科技有限公司 | Positive pressure test equipment and method for air tightness of smoke cartridge |
| CN112924097A (en) * | 2021-03-05 | 2021-06-08 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
-
2019
- 2019-05-16 CN CN201920700507.6U patent/CN209656270U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432740A (en) * | 2020-09-21 | 2021-03-02 | 深圳市吉迩科技有限公司 | Positive pressure test equipment and method for air tightness of smoke cartridge |
| CN112924097A (en) * | 2021-03-05 | 2021-06-08 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
| CN112924097B (en) * | 2021-03-05 | 2023-09-19 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
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Granted publication date: 20191119 |