CN106226009A - A kind of test device for air tightness and the bubble-tight detection method of pipeline - Google Patents
A kind of test device for air tightness and the bubble-tight detection method of pipeline Download PDFInfo
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- CN106226009A CN106226009A CN201610737632.5A CN201610737632A CN106226009A CN 106226009 A CN106226009 A CN 106226009A CN 201610737632 A CN201610737632 A CN 201610737632A CN 106226009 A CN106226009 A CN 106226009A
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- air
- tightness
- cavity
- test device
- tester
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
This application discloses a kind of test device for air tightness, for the air-tightness of the liquid communication pipeline selling liquid machine is detected, including: air-tightness tester；Selling the cavity of the puncture tube of liquid machine described in can accommodating, the opening of described cavity can be connected to form confined space with the described seal cap sealing selling liquid machine, and the inner chamber of described cavity connects with described air-tightness tester.In the test device for air tightness that the present invention provides, the structure of cavity can preferably realize coordinating with the sealing lid selling liquid machine and puncture tube, and detection data can be drawn accurately by the detection of air-tightness tester so that the air-leakage test operation of the liquid communication pipeline selling liquid machine is simpler easy.Present invention also offers a kind of bubble-tight detection method of pipeline.
Description
Technical field
The present invention relates to detect equipment technical field, particularly to a kind of test device for air tightness, the invention still further relates to one
Plant the bubble-tight detection method of pipeline.
Background technology
The vending machine (it referred to as sells in the application liquid machine) selling liquid commodity is a kind of novel automatically selling end
End, it can be sold liquid (the most various wine, fruit juice etc.) in right amount, automatically, control flexibly liquid according to the requirement of client
Amount, with meet further client at any time, appropriate drink demand.
Selling liquid machine to be internally provided with liquid from containing the infusion pipeline being delivered to liquid outlet bucket, this infusion pipeline passes through
Piercing mechanism realizes being tightly connected with containing bucket, and piercing mechanism then includes the sealing can being tightly connected with the bung containing bucket
Lid, passes and is fixed on the puncture tube that sealing covers, and provide the pump of power for liquid flowing.Puncture tube is through sealing lid
One end can extend in the liquid contained in bucket, and the other end being positioned at close closure skirt then connects with the inlet of pump, pump
Liquid outlet connect with infusion pipeline.Liquid operationally, is drawn in the pump housing through piercing through pipe from containing bucket by pump, the most right
It is passed to again in infusion pipeline after liquid pressing, makes liquid flow to sell the liquid outlet of liquid machine through infusion pipeline.
Operationally by pump, liquid applying pressure is carried to realize liquid owing to selling liquid machine, so liquid machine on sale
After manufacture completes, need the gas to whole liquid communication pipeline (this liquid communication pipeline includes infusion pipeline, pump and puncture tube)
Close property detects, to ensure to sell the normal work of liquid machine.But in the prior art, do not have for the liquid communication selling liquid machine
The air-tightness of pipeline carries out the professional equipment detected, and brings the biggest difficulty to the air-leakage test operation selling liquid machine.
Therefore, the most convenient air-tightness to the liquid communication pipeline selling liquid machine detects, and has become as mesh
Front those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of test device for air tightness, by this device can be convenient to selling
The air-tightness of the liquid communication pipeline of liquid machine detects.Present invention also offers a kind of bubble-tight detection method of pipeline.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of test device for air tightness, for the air-tightness of the liquid communication pipeline selling liquid machine is detected, comprising:
Air-tightness tester；
Selling the cavity of the puncture tube of liquid machine described in can accommodating, the opening of described cavity can be with the described sealing selling liquid machine
Lid is tightly connected to be formed confined space, and the inner chamber of described cavity connects with described air-tightness tester.
Preferably, in above-mentioned test device for air tightness, described cavity offers its inner chamber of connection, and can be in described
The air inlet of charged pressure gas in chamber, and described air-tightness tester is by described air inlet and described inner space.
Preferably, in above-mentioned test device for air tightness, described air inlet is provided with the air inlet protruding described chamber outer wall
Joint, described air-tightness tester is connected with described air inlet by described inlet suction port.
Preferably, in above-mentioned test device for air tightness, described cavity is pipe, a port sealing of described pipe, separately
One port is described opening.
Preferably, in above-mentioned test device for air tightness, on the sealed end of described cavity, connect have can vertically support described
The base of cavity.
Preferably, in above-mentioned test device for air tightness, described air inlet is opened on the circumferential side wall of described cavity.
A kind of bubble-tight detection method of pipeline, for the liquid communication pipeline selling liquid machine is carried out air-leakage test, its
Being characterised by, it is adaptable to above-mentioned test device for air tightness, the method comprises the following steps:
1) make the described opening sealing lid and described cavity be tightly connected, and connect described air-tightness tester and described chamber
The inner chamber of body；
2) charged pressure gas in described cavity or described liquid communication pipeline；
3) seal described cavity and described liquid communication pipeline, make described cavity, described liquid communication pipeline and described gas
The test inner chamber that the connection of close property tester is formed is hedged off from the outer world, and maintains a period of time；
4) pressure in the described test inner chamber after sealing persistently is detected, according to described by described air-tightness tester
The pressure data that air-tightness tester is measured in different time points, draws air tightness test result.
The test device for air tightness that the present invention provides, including air-tightness tester, and inner chamber is with air-tightness tester even
Logical cavity, this cavity has opening, and when opening is connected with the seal cap sealing selling liquid machine, then the inner chamber of cavity becomes with outward
Boundary isolation confined space, the most also make inner chamber can accommodate the puncture tube selling liquid machine so that this cavity can with sell liquid machine
Piercing mechanism cooperating.When the air-tightness using the above-mentioned test device for air tightness liquid communication pipeline to selling liquid machine is examined
During survey, make the opening of cavity be connected with seal cap sealing, block the liquid outlet of liquid flow pipe simultaneously so that flow pipe,
Cavity and air-tightness tester connect into the test inner chamber of and external environment, be filled with gases at high pressure, make in test inner chamber
The pressure in inner chamber must be tested and be more than external atmosphere pressure, then make air-tightness tester in test inner chamber within a period of time
Force value persistently detects, and then contrasts the detection data of different time points, thus draws testing result.The present invention provides
In test device for air tightness, the structure of cavity can preferably realize coordinating with the sealing lid selling liquid machine and puncture tube, and leads to
The detection crossing air-tightness tester can draw detection data accurately so that sells the air-tightness inspection of the liquid communication pipeline of liquid machine
Survey operation simpler easy.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The knot that the cavity of the test device for air tightness that Fig. 1 provides for the embodiment of the present invention coordinates with the piercing mechanism selling liquid machine
Structure schematic diagram；
The structural representation that Fig. 2 cavity coordinates with the whole liquid communication pipeline selling liquid machine；
The flow chart of the bubble-tight detection method of pipeline that Fig. 3 provides for the embodiment of the present invention.
In fig. 1 and 2:
1-cavity, 2-puncture tube, 3-seals lid, 4-inlet suction port, 5-base.
Detailed description of the invention
The invention provides a kind of test device for air tightness, by this device can be convenient to the liquid selling liquid machine
The air-tightness of flow pipe detects.
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As depicted in figs. 1 and 2 (arrows in figure is circulation path and the direction of the gas being filled with), the present invention is real
Executing the test device for air tightness that example provides, it can have more and enter the air-tightness of the liquid communication pipeline selling liquid machine targetedly
Row detection, including: air-tightness tester (not shown), this air-tightness tester is existing air tightness test in market
Instrument；Cavity 1, this cavity 1 be according to sell the piercing mechanism of liquid machine with the use of work requirements and custom-designed, cavity 1
Surrounding the inner chamber with opening, the puncture tube 2 of piercing mechanism can be in opening extend into inner chamber, and cavity 1 can accommodate
Puncture tube 2, the opening of cavity 1 can be tightly connected with the sealing lid 3 of piercing mechanism simultaneously, and cavity 1 and air tightness test
Instrument connects.It should be noted that not considering that outside, cavity 1 connect with air-tightness tester in puncture tube 2 connects cavity 1
Under premise, seal after the opening of cavity 1 blocks by lid 3, it is possible to make the inner chamber of cavity 1 become one with the external world completely every
From confined space, i.e. except mouth outside, cavity 1 define one close inner chamber.
When the air-tightness using the above-mentioned test device for air tightness liquid communication pipeline to selling liquid machine detects, make chamber
The opening of body 1 is tightly connected with sealing lid 3, blocks the liquid outlet of liquid flow pipe so that flow pipe, cavity 1 and simultaneously
Air-tightness tester connects into the test inner chamber of and external environment, is filled with gases at high pressure so that test in test inner chamber
Pressure in inner chamber is more than external atmosphere pressure, and then in a period of time, (duration that test inner chamber is hedged off from the outer world, can be according to inspection
Survey require difference and be modified, such as duration can be a few minutes, several hours the most several days etc.) in make air-tightness tester
Force value in test inner chamber is persistently detected, then contrasts the detection data of different time points, if the change of data
Amount in the range of technological requirement, then judges that the air-tightness selling the liquid communication pipeline of liquid machine is good, if the variable quantity of data
Beyond the scope of technological requirement, then the air-tightness of the liquid communication pipeline that liquid machine is sold in judgement is defective.
The present embodiment provide test device for air tightness in, the structure of cavity 1 can have more targetedly with sell liquid machine
Sealing lid 3 and puncture tube 2 realize coordinating, and detection data can be drawn accurately by the detection of air-tightness tester,
Make the air-leakage test operation selling the liquid communication pipeline of liquid machine simpler easy.
For further optimisation technique scheme, in the test device for air tightness that the present embodiment provides, the company of offering on cavity 1
Its inner chamber logical, and the air inlet of gases at high pressure can be filled with in inner chamber, and air-tightness tester is by air inlet and inner chamber
Connection.In the present embodiment, in order to realize connecting of cavity 1 and test device for air tightness, preferably on cavity 1, offer air inlet,
Air-tightness tester is made to be tightly connected with air inlet by conduit (not shown) and turn on.Additionally, this air inlet is also used for
In cavity 1, it is filled with gases at high pressure, when specifically arranging, three-way valve can be set on the conduit connected with air inlet (in figure
Not shown), in three openings of three-way valve, one connects with air inlet, and one connects with source of the gas, one and air-tightness tester
Connection.This kind of set-up mode, only can offer a through hole on cavity 1 and just can play inflation and connect air-tightness tester
Dual function.Certainly, the present embodiment can also be offered on cavity 1 two through holes, be respectively used to inflate with connect airtight
Property tester.And the above-mentioned mode that a through hole is set, decrease the quantity of through hole needing on cavity 1 to offer so that cavity 1
The sealing property of self is more prominent, so being acted on preferred version.
More preferably, air inlet being provided with inlet suction port 4, air-tightness tester passes through inlet suction port 4 and air inlet
Connection, as depicted in figs. 1 and 2.In the present embodiment, realizing the connection of conduit and air inlet for convenience, the present embodiment preferably exists
Being provided with inlet suction port 4 on air inlet, inlet suction port 4 highlights the periphery wall of cavity 1, and is tightly connected with air inlet so that lead
Pipe can directly be socketed on inlet suction port 4, improves the convenience of attended operation, it is often more important that can also improve connection jail
Solidity and sealing, provide guarantee for follow-up accurately detection.
Concrete, preferably cavity 1 is the pipe of a port sealing, as depicted in figs. 1 and 2, and another port of pipe
For opening.In the present embodiment, the effect of cavity 1 is that instead of containing bucket, is tightly connected with the liquid communication pipeline selling liquid machine, and then
Can test the air-tightness of liquid communication pipeline, on the premise of can functioning as described above, the structure of cavity 1 is permissible
There are multiple choices, and in the present embodiment, in order to farthest reduce the volume of cavity 1, in order to test device for air tightness
Carrying and with the assembling of piercing mechanism, it is preferred to use the pipe only having a port sealing is used as cavity 1, another of pipe
Individual port then keeps opening-wide state, and using as aforesaid opening, the port of pipe, when being connected with pipe, (is opened by sealing lid 3
Mouthful) seal.In addition to using the structure of pipe, cavity 1 can also be other structures, such as, be similar to contain the structure of bucket
Deng.
Further, on the sealed end of cavity 1, connect and have the base 5 that can vertically support cavity 1, such as Fig. 1 and Fig. 2 institute
Show.In order to ensure that cavity 1 can preferably realize coordinating with piercing mechanism, the present embodiment is further preferably on the sealed end of cavity 1
Connect and have base 5, by the support of base 5, it is possible to the cavity 1 of circular tube shaped is kept upright state, thus close with move down
Capping 3 and puncture tube 2 coordinate, and detect with the air-tightness being more applicable for selling liquid machine liquid communication pipeline.It addition,
In the present embodiment, base 5 is preferably tabular, because flat base 5 simple in construction, it is easy to accomplish, and supporting & stablizing, institute
With as preferably.Additionally, base 5 can also be other structure, the frame being welded for example with angle steel or rectangular tube
Shape structure etc..
In the present embodiment, air inlet is opened on the circumferential side wall of cavity 1, as depicted in figs. 1 and 2.Air inlet is preferably opened
It is located on the circumferential side wall of cavity 1, it is possible to be preferably connected with air-tightness tester, and without piercing mechanism is carried out
Change.
As it is shown on figure 3, based on above-mentioned test device for air tightness, the present embodiment additionally provides a kind of bubble-tight inspection of pipeline
Survey method, for the liquid communication pipeline selling liquid machine is carried out air-leakage test, it is applicable to above-mentioned test device for air tightness, should
Method comprises the following steps:
S101, all parts that cooperation will be needed to detect are attached, i.e. make the opening of sealing lid 3 and cavity 1 seal even
Connect, and connect the inner chamber of air-tightness tester and cavity 1.
S102, in cavity 1 or liquid communication pipeline, it is filled with gases at high pressure.The mode that is filled with of gas can have multiple choosing
Selecting, the present embodiment is preferably filled with gases at high pressure by the air inlet being opened on cavity 1 in cavity 1 and liquid communication pipeline,
In order to ensure to test the sealing of inner chamber, need first to be sealed by the liquid outlet of liquid communication pipeline before gases at high pressure are filled with
Stifled.It addition, gas can also be filled with from the liquid outlet of liquid communication pipeline, after gas has been filled with, blocking liquid outlet again,
But the feasibility of this kind of mode is the highest, the most do not preferably employ this kind of mode.
After S103, gas have been filled with, seal cavity 1, liquid communication pipeline and connect the survey formed with air-tightness tester
Examination inner chamber so that it is be hedged off from the outer world, and maintain a period of time.Seal operation is particularly as follows: after gas has been filled with, control to be arranged on
Supravasal three-way valve, blocks the communication path of source of the gas and air inlet, simultaneously turns on air inlet and air-tightness tester and formed
Test inner chamber.The duration that test inner chamber is hedged off from the outer world, can be modified according to the difference of testing requirement, and such as duration can
Think a few minutes, several hours the most several days etc..
Pressure in test inner chamber after sealing persistently is detected by S104, air-tightness tester, surveys according to air-tightness
The pressure data that examination instrument is measured in different time points, draws air tightness test result.Particularly: test inner chamber with extraneous every
From time period in, to test inner chamber in force value carry out repeated detection, draw multiple force value, these force value carried out
Contrast, if the variable quantity of data is in the range of technological requirement, then the air-tightness of the liquid communication pipeline that liquid machine is sold in judgement is good
Good, if the variable quantity of data is beyond the scope of technological requirement, then judge that the air-tightness of the liquid communication pipeline selling liquid machine does not conforms to
Lattice.
Using the mode gone forward one by one to describe Each part in this specification, what the structure of each part stressed is
Can be by the structure to above-mentioned some with the difference of existing structure, the entirety of test device for air tightness and part-structure
It is combined and obtains.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (7)
1. a test device for air tightness, for detecting the air-tightness of the liquid communication pipeline selling liquid machine, its feature exists
In, including:
Air-tightness tester；
Selling the cavity of the puncture tube of liquid machine described in can accommodating, the opening of described cavity can be with the described sealing Gai Mi selling liquid machine
Envelope connects to form confined space, and the inner chamber of described cavity connects with described air-tightness tester.
Test device for air tightness the most according to claim 1, it is characterised in that offer on described cavity and connect in it
Chamber, and can in described inner chamber the air inlet of charged pressure gas, and described air-tightness tester is by described air inlet
With described inner space.
Test device for air tightness the most according to claim 2, it is characterised in that be provided with protrusion on described air inlet described
The inlet suction port of chamber outer wall, described air-tightness tester is connected with described air inlet by described inlet suction port.
Test device for air tightness the most according to claim 3, it is characterised in that described cavity is pipe, described pipe
One port sealing, another port is described opening.
Test device for air tightness the most according to claim 4, it is characterised in that on the sealed end of described cavity, connection has
Can vertically support the base of described cavity.
Test device for air tightness the most according to claim 4, it is characterised in that described air inlet is opened in described cavity
On circumferential side wall.
7. the bubble-tight detection method of pipeline, for the liquid communication pipeline selling liquid machine is carried out air-leakage test, it is special
Levying and be, it is adaptable to test device for air tightness described in any one in above-mentioned 1-6, the method comprises the following steps:
1) make the described opening sealing lid and described cavity be tightly connected, and connect described air-tightness tester and described cavity
Inner chamber；
2) charged pressure gas in described cavity or described liquid communication pipeline；
3) seal described cavity and described liquid communication pipeline, make described cavity, described liquid communication pipeline and described air-tightness
The test inner chamber that tester connection is formed is hedged off from the outer world, and maintains a period of time；
4) pressure in the described test inner chamber after sealing persistently is detected, according to described airtight by described air-tightness tester
The pressure data that property tester is measured in different time points, draws air tightness test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737632.5A CN106226009A (en) | 2016-08-26 | 2016-08-26 | A kind of test device for air tightness and the bubble-tight detection method of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737632.5A CN106226009A (en) | 2016-08-26 | 2016-08-26 | A kind of test device for air tightness and the bubble-tight detection method of pipeline |
Publications (1)
| Publication Number | Publication Date |
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| CN106226009A true CN106226009A (en) | 2016-12-14 |
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ID=57554819
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610737632.5A Pending CN106226009A (en) | 2016-08-26 | 2016-08-26 | A kind of test device for air tightness and the bubble-tight detection method of pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697352A (en) * | 2020-12-16 | 2021-04-23 | 陕西航空电气有限责任公司 | Ignition electric nozzle air tightness detection device and method |
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|---|---|---|---|---|
| CN103097872A (en) * | 2010-08-12 | 2013-05-08 | 东洋制罐株式会社 | Seal inspection method for sealed container, and inspection device therefor |
| US20140007655A1 (en) * | 2012-07-06 | 2014-01-09 | Advanced Scientifics, Inc. | Pressure decay testing system and testing device for a connector and method of testing |
| CN104089747A (en) * | 2014-08-04 | 2014-10-08 | 深圳市开立科技有限公司 | Air-tightness inspection device for insertion part |
| CN206038252U (en) * | 2016-08-26 | 2017-03-22 | 成都得民数联科技股份有限公司 | Air -tight testing device |
-
2016
- 2016-08-26 CN CN201610737632.5A patent/CN106226009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097872A (en) * | 2010-08-12 | 2013-05-08 | 东洋制罐株式会社 | Seal inspection method for sealed container, and inspection device therefor |
| US20140007655A1 (en) * | 2012-07-06 | 2014-01-09 | Advanced Scientifics, Inc. | Pressure decay testing system and testing device for a connector and method of testing |
| CN104089747A (en) * | 2014-08-04 | 2014-10-08 | 深圳市开立科技有限公司 | Air-tightness inspection device for insertion part |
| CN206038252U (en) * | 2016-08-26 | 2017-03-22 | 成都得民数联科技股份有限公司 | Air -tight testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697352A (en) * | 2020-12-16 | 2021-04-23 | 陕西航空电气有限责任公司 | Ignition electric nozzle air tightness detection device and method |
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Application publication date: 20161214 |