It a kind of standard leak block and preparation method thereof and is surveyed using the standard of the standard leak block
Try device and its production, application method
Technical field:
The present invention relates to a kind of standard leak block and preparation method thereof and using the standard leak block standard tester and
Its production, application method.
Background technique:
Measurement pressure vessel finished product (the installation cylinder of such as water filter, connected and composed by stack shell and cover) is close at present
When closing property, all without very scientific method, at present as used the thin scraps of paper or orientation of hair in the installation interconnecting piece of stack shell and cover
On, inflation, checks whether the thin scraps of paper or hair are blown, and need to place difference repeatedly in the installation interconnecting piece position in cylinder
Position detection, therefore detection efficiency is low, and its stability and reliability are inadequate.
In addition, the sample of pressure vessel production at present is easy to fail because of plastic deformation, not easy to maintain, service life is short.
Summary of the invention:
The purpose of the present invention is to provide a kind of standard leak block and preparation method thereof and use the mark of the standard leak block
Quasi- tester and its production, application method, the standard leak block, standard tester simple structure and reasonable design, are conducive to be made
Standardized test measurer and prolong the service life;The standard leak block production method, standard tester production, application method are set
Meter rationally, is conducive to the accuracy for improving detection.
Standard leak block of the present invention, it is characterised in that: including capillary steel tube and be located on capillary steel tube middle section position
The pipeline section that channel reduces.
Further, above-mentioned capillary steel tube is capillary stainless steel tube, and it is flat by being stamped and formed out that channel, which reduces,
Pipeline section.
The production method of standard leak block of the present invention, it is characterised in that: the standard leak block includes capillary stainless steel tube
Flat pipeline section is stamped and formed out with being located on capillary stainless steel tube middle section position;When production, the standard to be made is first confirmd that
Leaking the leaked bubble of block is to choose the capillary stainless steel tube of corresponding inner diameter size with the great standard of diameter;Then by hair
Thin stainless steel tube is put on press machine fragment position flattening wherein;Then deformed capillary stainless steel tube one end is ventilated, separately
The bubbling quantity in the unit time into the water and is checked in one end;When bubbling quantity quantity is excessive, then to carry out punching press repeatedly several
The secondary bubbling quantity in unit time to reach demand.
Standard tester of the present invention, it is characterised in that: position to be tested is inserted including pressure vessel and on pressure vessel
Enter standard leak block, the standard leak block includes capillary steel tube and is located at capillary steel tube middle section position upper channel and reduces
Pipeline section.
Further, above-mentioned capillary steel tube is capillary stainless steel tube, and it is flat by being stamped and formed out that channel, which reduces,
Pipeline section.
Further, above-mentioned pressure vessel is the cylinder for installing water filter filter core, by the stack shell with entery and delivery port
It is constituted with cover.
The production method of standard tester of the present invention, it is characterised in that: the standard tester include pressure vessel and
Standard leak block is inserted into position to be tested on pressure vessel;The standard leak block includes capillary steel tube and is located at capillary steel
Property pipe middle section position upper channel reduce pipeline section;It first makes standard leak block: first confiring that the standard leak block to be made is let out
Gas leakage bubble is to choose the capillary stainless steel tube of corresponding inner diameter size with the great standard of diameter;Then by capillary stainless steel tube
Fragment position flattening wherein is put on press machine;Then deformed capillary stainless steel tube one end is ventilated, the other end is put into water
In and check the bubbling quantity in the unit time;When bubbling quantity quantity is excessive, then carries out punching press and be repeated several times to reach and need
Bubbling quantity in the unit time asked;It is then needing position to be tested to punch in pressure vessel sample to be tested, will do
The capillary stainless steel tube of good standard leak amount is embedded to pressure vessel, and dispensing fixing seal is good, after glue is dry, standard sample production
It completes.
The application method of standard tester of the present invention, it is characterised in that: the standard tester include pressure vessel and
Standard leak block is inserted into position to be tested on pressure vessel;The standard leak block includes capillary steel tube and is located at capillary steel
Property pipe middle section position upper channel reduce pipeline section, the pressure vessel be install water filter filter core cylinder, by with into,
The stack shell and cover of water outlet are constituted;In use, the standard tester is installed to pressure vessel finished product leak-testing apparatus
On, which has the special gas connecting with standard tester entery and delivery port defeated
Outlet, the other end have the body that wraps for being sealed and coated on pressure vessel finished product connecting pin, pressure vessel finished product and pressure vessel structure
It makes identical, including the cylinder that stack shell and cover are constituted, wraps the detector that body is connected with measurement special gas;It is intact when installing
Afterwards, the quantitative gas once measured is inputted into pressure vessel from special gas delivery outlet, stand the set time, wrapping body institute
Special gas amount be discharged is checked in the detector of connection, the number of special gas amount is discharged, according to the institute to judge the pressure
Whether container finish leak-testing apparatus debugs the requirement for having met detection pressure vessel finished product, when measuring special gas be discharged
The scale of construction it is more, that is, need to adjust the quantitative gas for inputting once measure less, and when measure the few of special gas amount be discharged, i.e.,
Need to increase the quantitative gas that input once measures.
The invention has the advantages that
1, structure is simple, easy to process, cheap;
2, accuracy is high, and an entire plane-leakage is not easy to plug;
3, Stainless Steel Capillary steel pipe is not easy to get rusty, and is unlikely to deform blocking, long service life.
Detailed description of the invention:
Fig. 1 is the main view organigram of standard leak block of the present invention;
Fig. 2 is the vertical view organigram of Fig. 1;
Fig. 3 is the main view organigram of standard tester of the present invention;
Fig. 4 is the right apparent structure schematic diagram of Fig. 3;
Fig. 5 is the operation principle schematic diagram of pressure vessel finished product leak-testing apparatus;
Fig. 6 is the operation principle schematic diagram of another pressure vessel finished product leak-testing apparatus.
Specific embodiment:
Standard leak block 3 of the present invention includes capillary steel tube 1 and is located at what 1 middle section position upper channel of capillary steel tube reduced
Pipeline section 2, the channel are the tube passage in capillary steel tube 1.
Further, in order to design rationally, above-mentioned capillary steel tube is capillary stainless steel tube, and it is to pass through punching press that channel, which reduces,
Form flat pipeline section.Channel is reduced can largely be flattened using inner hole, and only stay fraction inner hole ventable, but obstructed
Water (i.e. in nature without not water flowing under external pressure state), the amount that can cross gas are determined according to bubbling quantity into the water, such as
It ventilates under barometric information fixed, there are 50,60 or 70 etc. quantity bubbles to generate within the set time, how many a quantity bubbles
Generation is selected according to actually detected product.The application can prepare the standard of different section quantity bubbles in use process
Block 3 is leaked using as spare.
The production method of standard leak block of the present invention, the standard leak block include capillary stainless steel tube 1 and are located at capillary
It is stamped and formed out on 1 middle section position of stainless steel tube (being also not in the position of center, also close to any end) flat
Pipeline section 2;When production, first confirm that the leaked bubble of standard leak block to be made is chosen opposite with the great standard of diameter
Answer the capillary stainless steel tube of inner diameter size;Then capillary stainless steel tube is put on press machine fragment position flattening wherein;Then
Deformed capillary stainless steel tube one end is ventilated, the other end into the water and checks the bubbling quantity in the unit time;It is emitting
When bubble quantity quantity is excessive, then carries out punching press and be repeated several times to reach the bubbling quantity in the unit time of demand.
Standard tester 4 of the present invention includes that standard leak is inserted into pressure vessel 5 and position to be tested on pressure vessel 5
Block 3, the standard leak block 3 include capillary steel tube 1 and the pipeline section 2 for being located at the diminution of capillary steel tube middle section position upper channel.
Further, in order to design rationally, above-mentioned capillary steel tube is capillary stainless steel tube, and it is to pass through punching press that channel, which reduces,
Form flat pipeline section.
Further, above-mentioned pressure vessel can be the cylinder 5 of installation water filter filter core, by with entery and delivery port
503 stack shell 501 and cover 502 is constituted.Certain pressure vessel can also be the container of the carrying pressure of other purposes.
Standard leak block of the present invention, standard tester simple structure and reasonable design, are conducive to that standardized test volume is made
Tool, can be using in vitro detection, the detection of workshop machine table etc..
The production method of standard tester of the present invention, the standard tester 4 is including pressure vessel 5 and in pressure vessel 5
Standard leak block 3 is inserted into upper position to be tested;The standard leak block includes capillary steel tube 1 and is located in capillary steel tube
The pipeline section 2 that fragment position upper channel reduces;It first makes standard leak block 3: first confiring that the leaked gas of standard leak block to be made
Bubble is to choose the capillary stainless steel tube of corresponding inner diameter size with the great standard of diameter;Then capillary stainless steel tube is put into
Fragment position is flattened wherein on press machine;Then deformed capillary stainless steel tube one end is ventilated, the other end is into the water simultaneously
Check the bubbling quantity in the unit time;When bubbling quantity quantity is excessive, then carries out punching press and be repeated several times to reach demand
Bubbling quantity in unit time;Then position to be tested is being needed to punch in pressure vessel sample to be tested, it will be ready-made
The capillary stainless steel tube of standard leak amount is embedded to pressure vessel, and dispensing fixing seal is good, and after glue is dry, standard sample has been made
At.
The application method of standard tester of the present invention, the standard tester 4 is including pressure vessel 5 and in pressure vessel 5
Standard leak block 3 is inserted into upper position to be tested, and the standard leak block 3 includes capillary steel tube 1 and is located at capillary steel tube
The pipeline section 2 that middle section position upper channel reduces;In use, the standard tester 4 is installed to pressure vessel finished product sealing propertytest
In equipment 6, which has the special gas connecting with standard tester entery and delivery port
Body delivery outlet 7, the other end have be sealed and coated on pressure vessel finished product connecting pin to wrap body 8, pressure vessel finished product and pressure
Container structure is identical, including the cylinder that stack shell and cover are constituted, wraps the detector 9 that body 8 is connected with measurement special gas;Work as peace
After installing, inputting the quantitative special gas that once measures into pressure vessel from special gas delivery outlet, (special gas can
To be hydrogen etc.), the set time is stood, special gas amount be discharged is checked in wrapping the detector that body is connected, according to this
Special gas amount be discharged number, come judge the pressure vessel finished product leak-testing apparatus whether debug met detection pressure
The requirement of force container finished product needs to adjust the firm gas for inputting once measure less when measuring the more of special gas amount be discharged
Body, and when measuring the few of special gas amount be discharged, that is, need to increase the quantitative gas that input once measures.
The reason of standard tester progress board test obtained is that (i.e. batch is raw for pressure vessel and pressure vessel product
The product of production) structure is identical, the difference is that the stack shell and cover of pressure vessel product are consolidated to be tightened by sealing ring
It is fixed, and soldering is done in the junction of 5 stack shell of pressure vessel and cover, it is ensured that sealing, the ventable amount of such pressure vessel 5 are
For the mistake tolerance (bubbles volume) for being inserted in standard leak block 3 thereon, therefore, as long as the standard that test is mounted on pressure vessel 5
Leak the gas output (can measure by detector 9) or bubbles volume (can be surveyed into the water by a water pipe 10 out that block 3 exports
It is fixed), can know a gas output of the pressure vessel finished product leak-testing apparatus 6 on delivery outlet 7 whether standard, be otherwise
It needs to be adjusted, therefore standard tester obtained can carry out the cubing of board test.
Therefore, present invention has the advantage that
1, structure is simple, easy to process, cheap;
2, accuracy is high, and an entire plane-leakage is not easy to plug;
3, Stainless Steel Capillary steel pipe is not easy to get rusty, and is unlikely to deform blocking, long service life.
The foregoing is merely presently preferred embodiments of the present invention, all to accomplish variation and modification according to scope of the present invention patent
It should all belong to the scope of the present invention.