CN214064568U - Switching device for central air supply pipeline engineering - Google Patents

Abstract

The utility model belongs to the field of central gas supply pipeline engineering specifically is a switching device for central gas supply pipeline engineering, and its structure includes the high-pressure steel bottle, the total three groups of high-pressure steel bottle, three groups high-pressure steel bottle output all communicates there is first gas transmission pipeline, three groups first gas transmission pipeline is close to high-pressure steel bottle one end and installs first electric valve, second electric valve and third electric valve respectively, three groups high-pressure steel bottle one end is kept away from to first gas transmission pipeline all is connected in the processing case, the processing case is kept away from first gas transmission pipeline one side and has been seted up second gas transmission pipeline, second gas transmission pipeline is close to processing case one end and installs the fourth electric valve. The utility model discloses a set up and utilized the different electric valve door of power supply unit control multiunit to control the gas in the multiunit pipeline and flow to the processing case, gas can be decompressed and input the second gas transmission pipeline again by some second grade pressure reducers after getting into the processing case, input the instrument in through second gas transmission pipeline.

Description

Switching device for central air supply pipeline engineering

Technical Field

The utility model relates to a central air supply line engineering field specifically is a switching device for central air supply line engineering.

Background

The current generation of various gas consuming equipment in large plant plants and various analytical instruments such as chromatographs or mass spectrometers in most laboratories require the continuous use of carrier and fuel gases, and therefore the managers of the plants and laboratories need to consider how to achieve a continuous, stable and safe supply of these gases, which can be supplied by high pressure steel cylinders, liquid dewars, centralized gas supply systems or a combination of these. Based on safety and efficiency factors, a centralized gas supply system is more and more common and becomes a reliable and continuous supply source of high-purity gas in current laboratory equipment without considering economic factors of instruments, but the traditional centralized gas supply system does not have a gas switching device, and each instrument needs to be provided with a set of construction period system, so that the system is very inconvenient.

The public search (announcement) number CN206817172U discloses a central gas supply pipeline system for laboratories, which comprises an air compressor, a gas storage tank, an air purifier, a gas collecting tank and a gas distributing tank; the bottom of the gas storage tank is provided with a travelling wheel; the air purifier and the gas collecting tank are arranged on the lower bracket; the bottom of the air purifier and the air collecting tank is provided with a ball valve; the upper part of the air storage tank is communicated with an air outlet of the air compressor; the air outlet of the air storage tank is connected with the air inlet of the air purifier; the air outlet of the air purifier is connected with the air inlet of the air collecting tank through a first hose; the air outlet of the air collecting tank is connected with the three-way pipe through a second hose; the three-way pipe is also connected with a third hose and a fourth hose respectively; the fourth hose is also connected with the gas distribution tank; the air outlet of the air distribution tank is connected with the metering air control box; the air outlet of the metering air control box is connected with a plurality of air distributing pipes.

However, the inventor finds that the technical scheme still has at least the following defects:

firstly, the technical proposal is not provided with a switching device, so that the high-efficiency switching cannot be realized when different carrier gases or fuel gases are required to be used, and the efficiency is low;

second, this technical scheme does not set up and controls gas supply system through devices such as switch and electric valve, and the operation is got up simple enough, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switching device for central air supply line engineering has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a switching device for central gas supply pipeline engineering, includes the high-pressure steel bottle, the total three groups of high-pressure steel bottle, three groups high-pressure steel bottle output all communicates there is first gas transmission pipeline, three groups first gas transmission pipeline is close to high-pressure steel bottle one end and installs first electric valve, second electric valve and third electric valve respectively, three groups high-pressure steel bottle one end is kept away from to first gas transmission pipeline all is connected in the processing case, the processing case is kept away from first gas transmission pipeline one side and has been seted up the second gas transmission pipeline, the fourth electric valve is installed near processing case one end to the second gas transmission pipeline.

As a preferred embodiment of the utility model, the high pressure steel bottle left side is hugged closely and is placed the platform, it installs power supply unit to place bench fixed surface, power supply unit includes the battery, the hole of charging has been seted up to the battery front side surface, battery upper surface fixed surface installs first switch, second switch and third switch, the total three groups of first switch.

As the utility model discloses a preferred embodiment, processing case left side outer wall fixed connection air purifier, air purifier right side fixed mounting has the suction head, the suction head all is located processing case left side inner wall, processing case right side outer wall fixed connection has a bit second grade pressure reducer.

As an embodiment of the present invention, three groups the first switch is respectively connected with the first electric valve, the second electric valve and the third electric valve, the second switch is electrically connected with the air purifier and the third switch is electrically connected with the fourth electric valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up and utilized the different electric valve door of power supply unit control multiunit to control the gas in the multiunit pipeline and flow to the processing case, gas can be decompressed and input the second gas transmission pipeline again by some second grade pressure reducers after getting into the processing case, input the instrument in through second gas transmission pipeline.

2. The utility model discloses a set up air purifier, when needs switch gas, absorb other gases in the processing incasement through air purifier, input the gaseous purity of input into the processing incasement with the gas of needs again.

3. The utility model discloses a set up high pressure steel bottle air feed, can place the steel bottle at work area outer safe region, advance the laboratory through the pipe connection and through the gaseous supply of valve control, reduce the probability of major accident emergence.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a switching device for a central air supply pipeline project of the present invention;

fig. 2 is a schematic structural view of a power supply device of the switching device for the central air supply pipeline engineering of the present invention;

fig. 3 is the utility model relates to a switching device's for central air supply line engineering processing box structure sketch map.

In the figure: 1. a high-pressure steel cylinder; 2. a first gas transmission pipeline; 3. a first electric valve; 4. a second electric valve; 5. a third electric valve; 6. a processing box; 7. a second gas transmission pipeline; 8. a fourth electric valve; 9. a placing table; 10. a power supply device; 101. a storage battery; 102. a charging hole; 103. a first switch; 104. a second switch; 105. a third switch; 11. an air purifier; 12. an air draft head; 13. and (5) pointing a secondary pressure reducer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. To the ordinary technical personnel in this field, can understand the specific meaning in the utility model of above-mentioned term with the concrete condition, the utility model provides an electrical apparatus's model is the reference only, can be through changing different models electrical apparatus that the function is the same according to the actual use condition.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a switching device for central gas supply pipeline engineering, includes high- pressure steel bottle 1, 1 total three groups of high-pressure steel bottle, three groups 1 output of high-pressure steel bottle all communicates has first gas transmission pipeline 2, three groups first gas transmission pipeline 2 is close to 1 one end of high-pressure steel bottle and installs first electric valve 3, second electric valve 4 and third electric valve 5 respectively, three groups 1 one end of high-pressure steel bottle is all kept away from to first gas transmission pipeline 2 and all connects in processing case 6, processing case 6 is kept away from first gas transmission pipeline 2 one side and has been seted up second gas transmission pipeline 7, fourth electric valve 8, it is concrete that second gas transmission pipeline 7 is close to 6 one end of processing case: connecting the second gas transmission pipeline 7 to an instrument to be used, turning on the power supply device 10, when gas supply needs to be switched, enabling the gas to enter the processing box 6 through the first gas transmission pipeline 2, turning on the fourth valve electric valve 8, and enabling the gas to enter the instrument through the second gas transmission pipeline 7.

In this embodiment, referring to fig. 1, a placing table 9 is tightly attached to the left side of the high-pressure steel cylinder 1, a power supply device 10 is fixedly mounted on the upper surface of the placing table 9, the power supply device 10 includes a storage battery 101, a charging hole 102 is formed in the front side surface of the storage battery 101, a first switch 103, a second switch 104 and a third switch 105 are fixedly mounted on the upper surface of the storage battery 101, and the first switch 103 includes three groups, specifically: the high-pressure steel cylinder 1 can be placed outside a laboratory, the placing table 9 is placed to a position close to an instrument for operation, the corresponding power supply device 10 is turned on, when the storage battery 101 is not charged, the storage battery is charged through the charging hole 102, and the first switch 103, the second switch 104 and the third switch 105 control different device switches.

Referring to fig. 2 in this embodiment, an air purifier 11 is fixedly connected to an outer wall of a left side of the processing box 6, an air suction head 12 is fixedly installed on a right side of the air purifier 11, the air suction head 12 is located on an inner wall of the left side of the processing box 6, and a point two-stage pressure reducer 13 is fixedly connected to an outer wall of the right side of the processing box 6: the air purifier 11 purifies the gas in the processing box 6 through the air draft head 12, and the point second-stage pressure reducer 13 reduces the pressure of the gas in the processing box 6.

In this embodiment, referring to fig. 3, three sets of the first switches 103 are electrically connected to the first electric valve 3, the second electric valve 4 and the third electric valve 5, respectively, the second switches 104 are electrically connected to the two sets of the air purifiers 11, and the third switches 105 are electrically connected to the fourth electric valve 8, specifically: a first switch 103 controls the opening and closing of the first electrovalve 3, the second electrovalve 4 and the third electrovalve 5, a second switch 104 controls the opening and closing of the air purifier 11, and a third switch 105 controls the opening and closing of the point second stage reducer 13.

It should be noted that, the utility model relates to a switching device for central gas supply pipeline engineering includes the part be the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, in this device idle department, with all electrical parts in the aforesaid, its control computer and the power that indicates power component, electrical part and adaptation are connected through the wire, concrete connecting means, should refer to in the following theory of operation, electric connection is accomplished to the precedence work order between each electrical part, its detailed connecting means, for the well-known technique in the field, theory of operation and process are mainly introduced in the following, do not explain electric control.

When the switching device for the central gas supply pipeline engineering is used, a high-pressure steel cylinder 1 is placed outside a laboratory chamber, a second gas transmission pipeline 7 is connected to an instrument to be used, a power supply device 10 is turned on, when a storage battery 101 is in no power, the storage battery is charged through a charging hole 102, a first switch 103 controls the opening and closing of a first electric valve 3, a second electric valve 4 and a third electric valve 5, a second switch 104 controls the opening and closing of an air purifier 11, a third switch 105 controls the opening and closing of a point secondary pressure reducer 13, when gas supply needs to be switched, a fourth electric valve 8 is closed, the air purifier 11 is opened to purify gas in a processing box 6 through a suction head 12, the electric valve corresponding to the gas is opened after purification is completed, the gas enters the processing box 6 through the first gas transmission pipeline 2, the point secondary pressure reducer 13 is opened to decompress the gas, the fourth electric valve 8 is opened, and the gas enters the instrument through the second gas transmission pipeline 7, the device simple structure, the operation of being convenient for, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a switching device for central gas supply pipeline engineering, includes high pressure steel bottle (1), its characterized in that: high-pressure steel bottle (1) is total three groups, three groups high-pressure steel bottle (1) output all communicates there is first gas transmission pipeline (2), three groups first gas transmission pipeline (2) are close to high-pressure steel bottle (1) one end and install first electric valve (3), second electric valve (4) and third electric valve (5) respectively, three groups high-pressure steel bottle (1) one end is kept away from in first gas transmission pipeline (2) and all connect in processing case (6), processing case (6) are kept away from first gas transmission pipeline (2) one side and have been seted up second gas transmission pipeline (7), fourth electric valve (8) are installed near processing case (6) one end in second gas transmission pipeline (7).

2. The switching device for the central gas supply pipeline engineering as claimed in claim 1, wherein: the high pressure steel bottle (1) left side is hugged closely and is placed platform (9), it has power supply unit (10) to place fixed surface mounting on platform (9), power supply unit (10) are including battery (101), charging hole (102) have been seted up to battery (101) front side surface, fixed surface mounting has first switch (103), second switch (104) and third switch (105) on battery (101), first switch (103) total three group.

3. The switching device for the central gas supply pipeline engineering as claimed in claim 2, wherein: processing case (6) left side outer wall fixed connection has air purifier (11), air purifier (11) right side fixed mounting has suction head (12), suction head (12) all are located processing case (6) left side inner wall, processing case (6) right side outer wall fixed connection has second grade pressure reducer (13) a bit.

4. The switching device for the central gas supply pipeline engineering as claimed in claim 3, wherein: the three groups of first switches (103) are respectively electrically connected with the first electric valve (3), the second electric valve (4) and the third electric valve (5), the second switches (104) are electrically connected with the two groups of air purifiers (11), and the third switches (105) are electrically connected with the fourth electric valve (8).

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