CN208512296U - Trailing type mixed gases matching device - Google Patents
Trailing type mixed gases matching device Download PDFInfo
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- CN208512296U CN208512296U CN201820947248.2U CN201820947248U CN208512296U CN 208512296 U CN208512296 U CN 208512296U CN 201820947248 U CN201820947248 U CN 201820947248U CN 208512296 U CN208512296 U CN 208512296U
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- air inlet
- inlet pipeline
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- gas air
- auxiliary
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Abstract
Trailing type mixed gases matching device disclosed by the utility model, including main gas air inlet pipeline, auxiliary gas air inlet pipeline and mixture output tube road, the main gas air inlet pipeline, auxiliary gas air inlet pipeline are connect by threeway with mixture output tube road, it is provided with primary air meter on the main gas air inlet pipeline, is provided with mass flow controller on the auxiliary gas air inlet pipeline.The utility model replaces the manual modulation valve in traditional technology with the automatic control mode of mass flow controller, not only increases distributing precision, and improve work efficiency.
Description
Technical field
The utility model relates to gas mixing ratio technical field more particularly to a kind of trailing type mixed gases matching devices.
Background technique
In welding and other gas shield fields, needs to use multicomponent gas protection, improve operation quality, need two kinds
Or a variety of pure gas match into mixed gas by the ratio of the required, existing frequently-used matching method is volumetric method proportion, also
Be discharge method proportion gas, i.e., respectively by valve control pure gas flow, make enter mixing vessel gas flow at
Desired ratio, to keep the volume of gas proportional, required gas ingredients of attaining the Way in a reservoir are, it can be achieved that continuous uninterrupted
Proportion.
Existing gas proportioning device includes that the air inlet pipeline of several circulation gas with various and a gaseous mixture export mostly
Pipeline, multiple air inlet pipelines are connect with mixture output tube road by connectedness, regulating valve are provided on air inlet pipeline, is passed through
Regulating valve is manually adjusted to control the relative scale of the gas in each air inlet pipeline, such regulative mode is not only very square
Just, and error is larger, cannot match accurate mixed gas.
Utility model content
The purpose of this utility model is that providing trailing type mixed gases matching dress in place of avoiding the deficiencies in the prior art
It sets, to effectively solve the shortcomings of the prior art.
To achieve the above object, the technical solution that the utility model is taken are as follows: trailing type mixed gases matching device, including
Main gas air inlet pipeline, auxiliary gas air inlet pipeline and mixture output tube road, the main gas air inlet pipeline, auxiliary gas air inlet pipeline pass through
Threeway is connect with mixture output tube road, and primary air meter, the auxiliary gas air inlet pipeline are provided on the main gas air inlet pipeline
On be provided with mass flow controller.
Further, the auxiliary gas air inlet pipeline is provided with one.
Further, the auxiliary gas air inlet pipeline is provided with two or more, and two or more auxiliary gas air inlet pipelines are in parallel.
Further, the main gas air inlet pipeline, be provided with filter on auxiliary gas air inlet pipeline.
Further, the main gas air inlet pipeline, be provided with inlet non return check valve on auxiliary gas air inlet pipeline.
Further, the mixture output tube road passes through gas output pipe before the first three-way magnetic valve is connected with first,
Mixture output tube road passes through gas output pipe before the second three-way magnetic valve is connected with second；
Gas holding vessel before gas output pipe is connected with first before described first；
Gas holding vessel before gas output pipe is connected with second before described second.
Further, it is provided with gas shut-off valve before inlet non return check valve and first before described first on gas output pipe, described
Gas shut-off valve before inlet non return check valve and second is provided with before two on gas output pipe.
The above-mentioned technical proposal of the utility model has the advantages that the utility model according to the needs of proportion, divides
The gas matched will not needed to be passed through main gas air inlet pipeline and auxiliary gas air inlet pipeline, is supervised by primary air meter and auxiliary air-flow meter
The ratio of main gas and auxiliary gas is measured, mass flow controller is then controlled and the gas flow in auxiliary gas air inlet pipeline is adjusted
It is whole, so in the case where primary air amount is constant, by being adjusted to auxiliary throughput, and then reach the preparation of certainty ratio, it should
Adjustment process is that a primary air amount is constant, the driven process of auxiliary throughput, with the automatic control mode of mass flow controller
Instead of the manual modulation valve in traditional technology, distributing precision is not only increased, and is improved work efficiency, is particularly suitable for small
The gas mixing ratio of flow.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the auxiliary gas air inlet pipeline of the utility model embodiment is one；
Fig. 2 is that the auxiliary gas air inlet pipeline of the utility model embodiment is a plurality of structural schematic diagram；
Fig. 3 is the structural schematic diagram that the utility model embodiment has preceding gas output pipe.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
As shown in Figs. 1-2, trailing type mixed gases matching device described in the present embodiment, including it is main gas air inlet pipeline 1, auxiliary
Gas air inlet pipeline 2 and mixture output tube road 3, main gas air inlet pipeline 1, auxiliary gas air inlet pipeline 2 are defeated by threeway 4 and gaseous mixture
Pipeline 3 connects out, is provided with primary air meter 5 on main gas air inlet pipeline 1, is provided with primary air meter 5 on main gas air inlet pipeline,
Mass flow controller 6 is provided on auxiliary gas air inlet pipeline 2.
According to the number of auxiliary gas input style, an auxiliary gas air inlet pipeline 2 or a plurality of auxiliary gas air inlet pipeline can be set
2。
As shown in Figure 1, auxiliary gas air inlet pipeline 2 is provided with one.
As shown in Fig. 2, auxiliary gas air inlet pipeline 2 is provided with two or more, two or more auxiliary gas air inlet pipelines 2 are in parallel.
Filter 8 is provided on main gas air inlet pipeline 1, auxiliary gas air inlet pipeline 2, filter 8 can be in different positions
It is provided with multiple, increase filter effect.
Inlet non return check valve 9 is provided on main gas air inlet pipeline 1, auxiliary gas air inlet pipeline 2.
Main pneumoelectric magnet valve 18 and auxiliary pneumoelectric magnet valve 19 are respectively arranged on main gas air inlet pipeline 1 and auxiliary gas air inlet pipeline 2.
As shown in figure 3, gas output pipe before being connected with first by the first three-way magnetic valve 10 on mixture output tube road 3
11, gas output pipe 13 before being connected with second by the second three-way magnetic valve 12 on mixture output tube road 3, gas exports before first
Gas holding vessel 14 before pipeline 11 is connected with first, gas holding vessel 15 before gas output pipe 13 is connected with second before second, before first
Gas shut-off valve 16 before inlet non return check valve and first is provided on gas output pipe 11,13 road of gas efferent duct is provided with list before second
Gas shut-off valve 17 before to non-return valve 9 and second.
The working principle of the utility model are as follows: according to the needs of proportion, will need respectively the gas that matches be passed through main gas into
Air pipe 1 and auxiliary gas air inlet pipeline 2, the flow of main gas is monitored by primary air meter 5, then controls mass flow controller
Gas flow in 6 pairs of auxiliary gas air inlet pipelines 2 is adjusted, and then in the case where primary air amount is constant, by auxiliary air-flow
Amount is adjusted, and then reaches the preparation of certainty ratio, which is that a primary air amount is constant, the driven mistake of auxiliary throughput
Journey replaces the manual modulation valve in traditional technology with the automatic control mode of mass flow controller 6, not only increases proportion essence
Degree, and improves work efficiency, due to for small flow, the small volume of mass flow controller 6, so especially suitable
For the lesser gas mixing ratio work of flow.
In the initial stage of starting, since air-flow is comparatively unstable, so some ratio of gas mixture positioned at front
Regular meeting is inaccurate, is not that very accurate gas passes through by the mixing match of front is located at this time by control three-way magnetic valve
Preceding gas output pipe 11 is discharged in storage tank, this process is very short, 1-2 seconds, is then made again by control three-way magnetic valve
It obtains mixture output tube road 3 itself to be connected, then the accurate gaseous mixture of mixing match is discharged by mixture output tube road 3,
One of them specific operating method are as follows: by controlling the first three-way magnetic valve 10, so that before mixture output tube road 3 and first
Gas output pipe 11 is connected, and preceding gas is discharged into the first holding vessel 14, and then the first three-way magnetic valve 10 exports gaseous mixture
Mixture output tube road 3 itself is connected to by pipeline 3 itself connection, the second three-way magnetic valve 12, so that accurate gas is cooperated to arrange
Out, there are two holding vessels for setting, can switch over when in use, when switching, in another non-working condition
Holding vessel can remove and be exhausted, used convenient for circulate operation.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (7)
1. trailing type mixed gases matching device, including main gas air inlet pipeline, auxiliary gas air inlet pipeline and mixture output tube road,
The main gas air inlet pipeline, auxiliary gas air inlet pipeline are connect by threeway with mixture output tube road, it is characterised in that: the main gas
It is provided with primary air meter on air inlet pipeline, is provided with mass flow controller on the auxiliary gas air inlet pipeline.
2. trailing type mixed gases matching device according to claim 1, it is characterised in that: the auxiliary gas air inlet pipeline is set
It is equipped with one.
3. trailing type mixed gases matching device according to claim 1, it is characterised in that: the auxiliary gas air inlet pipeline is set
Two or more are equipped with, two or more auxiliary gas air inlet pipelines are in parallel.
4. trailing type mixed gases matching device according to claim 1, it is characterised in that: the main gas air inlet pipeline,
Filter is provided on auxiliary gas air inlet pipeline.
5. trailing type mixed gases matching device according to claim 1, it is characterised in that: the main gas air inlet pipeline,
Inlet non return check valve is provided on auxiliary gas air inlet pipeline.
6. trailing type mixed gases matching device according to claim 1, it is characterised in that: the mixture output tube road
Gas output pipe before being above connected with first by the first three-way magnetic valve, mixture output tube road pass through the second three-way magnetic valve
Gas output pipe before being connected with second；
Gas holding vessel before gas output pipe is connected with first before described first；
Gas holding vessel before gas output pipe is connected with second before described second.
7. trailing type mixed gases matching device according to claim 6, it is characterised in that: gas efferent duct before described first
Road is provided with gas shut-off valve before inlet non return check valve and first, be provided on gas output pipe before described second inlet non return check valve and
Gas shut-off valve before second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947248.2U CN208512296U (en) | 2018-06-20 | 2018-06-20 | Trailing type mixed gases matching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947248.2U CN208512296U (en) | 2018-06-20 | 2018-06-20 | Trailing type mixed gases matching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208512296U true CN208512296U (en) | 2019-02-19 |
Family
ID=65326626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947248.2U Active CN208512296U (en) | 2018-06-20 | 2018-06-20 | Trailing type mixed gases matching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208512296U (en) |
-
2018
- 2018-06-20 CN CN201820947248.2U patent/CN208512296U/en active Active
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