Semi-automatic switching type special gas control panel

Abstract

The utility model discloses a semi-automatic switching type special gas control panel, which relates to the technical field of special gas control panels, and comprises a control panel main body and a bottom plate, one side of the second-stage pressure reducer is connected with a left-side first-stage pressure reducer, a second diaphragm valve and a left-side purging valve which are fixedly mounted on the control panel main body, and the other side of the second-stage pressure reducer is connected with a right-side first-stage pressure reducer, a first diaphragm valve and a right-side purging valve which can be switched and are fixedly mounted on the control panel main body; the upper end surfaces of the right first-stage pressure reducer and the left first-stage pressure reducer are fixedly connected with symmetrical air outlet pressure gauges and high pressure gauges, one ends of communicating pipes connected with the right purging valve and the left purging valve are connected with air inlets, and the top ends of the right purging valve and the left purging valve are connected with purging discharge pipes in a communicating mode. And the top end of the second-stage pressure reducer is communicated and connected with an air outlet pipe. The use efficiency and effect are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of special gas control panels, in particular to a semi-automatic switching special gas control panel. Background Art

[0002] Special gas control panel refers to the equipment used to manage and monitor the supply and discharge of special gases (such as toxic, flammable or explosive gases). It usually includes multiple switches, indicator lights, sensors and alarms so that operators can monitor and adjust the operating status of the special gas system.

[0003] Most of the existing special gas control panels are set with a single-sided air inlet and outlet, which cannot achieve the effect of double-sided and automatic switching, thereby reducing the efficiency and effect of use. Utility Model Content

[0004] The purpose of the utility model is to provide a semi-automatic switching special gas control panel, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-automatic switching special gas control panel, comprising a control panel body and a bottom plate, a secondary pressure reducer is fixedly installed on a side surface of the center of the control panel body, one side of the secondary pressure reducer is connected with a left-side primary pressure reducer, a second diaphragm valve and a left-side purge valve fixedly installed on the control panel body, and the other side of the secondary pressure reducer is connected with a right-side primary pressure reducer, a first diaphragm valve and a right-side purge valve that can be switched and fixedly installed on the control panel body, and the upper end surfaces of the right-side primary pressure reducer and the left-side primary pressure reducer are fixedly connected with symmetrical outlet pressure gauges and high-pressure gauges, and connecting pipes are welded between the secondary pressure reducer, the left-side primary pressure reducer, the second diaphragm valve, the left-side purge valve, the right-side primary pressure reducer, the first diaphragm valve and the right-side purge valve, and one end of the connecting pipe connected to the right-side purge valve and the left-side purge valve is connected with an air inlet, and the top ends of the right-side purge valve and the left-side purge valve are connected with a purge discharge pipe, and the top end of the secondary pressure reducer is connected with an outlet pipe.

[0006] Optionally, a safety valve is fixedly connected to one end of the connecting pipe connected between the right-side first-stage pressure reducer and the left-side first-stage pressure reducer.

[0007] Optionally, the left-side primary pressure reducer, the second diaphragm valve, the left-side purge valve, the right-side primary pressure reducer, the first diaphragm valve and the right-side purge valve are symmetrically distributed on both sides of the secondary pressure reducer.

[0008] Optionally, the surfaces of the left-side first-stage pressure reducer, the second diaphragm valve, the left-side purge valve, the right-side first-stage pressure reducer, the first diaphragm valve and the right-side purge valve are all connected to hand wheels, and the surfaces of the hand wheels are provided with notches for visual switch markings.

[0009] Optionally, four hook grooves are equidistantly formed on one side surface of the base plate close to the control panel body, a fastener is provided inside the hook groove, and the fastener is fixedly connected to the other side surface of the control panel body, and installation slots are formed through the four corners of the base plate surface.

[0010] Optionally, the control panel body and the side surfaces of the bottom plate are jointly provided with symmetrical card slots, a card strip is carded in the card slot, and the other side of the card strip is fixedly connected to a side plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model adopts a semi-automatic switching special gas control panel design, which can be applied to the reduced pressure gas supply of double-sided high-pressure gas cylinders. Through automatic switching of continuous gas supply, it can be maintained online, that is, one side is closed for maintenance while the other side remains working, thereby realizing a more complete uninterrupted gas supply, thereby improving the use efficiency and effect of the semi-automatic switching special gas control panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the structure of the utility model;

[0014] Figure 2 It is a front cross-sectional view of the structure of the utility model;

[0015] Figure 3 It is a side sectional view of the structure of the utility model.

[0016] In the figure: 1-bottom plate, 2-installation notch, 3-hook groove, 4-fastener, 5-control panel body, 6-notch, 7-clip strip, 8-side plate, 9-right purge valve, 10-left purge valve, 11-first diaphragm valve, 12-second diaphragm valve, 13-right first-stage pressure reducer, 14-left first-stage pressure reducer, 15-outlet pressure gauge, 16-high pressure gauge, 17-secondary pressure reducer, 18-connecting pipe, 19-air inlet, 20-purge discharge pipe, 21-outlet pipe, 22-safety valve, 23-handwheel, 24-notch. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] For example, see Figures 1 to 3 The utility model provides a semi-automatic switching special gas control panel, including a control panel body 5 and a bottom plate 1. A secondary pressure reducer 17 is fixedly installed on a side surface of the center of the control panel body 5. One side of the secondary pressure reducer 17 is connected with a left primary pressure reducer 14, a second diaphragm valve 12 and a left purge valve 10 fixedly installed on the control panel body 5. The other side of the secondary pressure reducer 17 is connected with a right primary pressure reducer 13, a first diaphragm valve 11 and a right purge valve 9 that can be switched and fixedly installed on the control panel body 5. The upper end surfaces of the right primary pressure reducer 13 and the left primary pressure reducer 14 are fixedly connected with symmetrical outlet pressure reducers. A connecting pipe 18 is welded between the gauge 15 and the high-pressure gauge 16, the secondary pressure reducer 17, the left-side primary pressure reducer 14, the second diaphragm valve 12, the left-side purge valve 10, the right-side primary pressure reducer 13, the first diaphragm valve 11 and the right-side purge valve 9. An air inlet 19 is provided at one end of the connecting pipe 18 connecting the right-side purge valve 9 and the left-side purge valve 10, and a purge discharge pipe 20 is connected to the top end of the right-side purge valve 9 and the left-side purge valve 10. An air outlet pipe 21 is connected to the top end of the secondary pressure reducer 17, and a safety valve 22 is fixedly connected to one end of the connecting pipe 18 connecting the right-side primary pressure reducer 13 and the left-side primary pressure reducer 14.

[0019] The left primary pressure reducer 14 , the second diaphragm valve 12 , the left purge valve 10 , the right primary pressure reducer 13 , the first diaphragm valve 11 and the right purge valve 9 are symmetrically distributed on both sides of the secondary pressure reducer 17 .

[0020] More specifically, in this embodiment, through the design of a semi-automatic switching special gas control panel, it can be applied to the reduced pressure supply of high-pressure gas cylinders on both sides. Through automatic switching of continuous gas supply, it can be maintained online, that is, one side is closed for maintenance while the other side remains working, to achieve a more complete uninterrupted gas supply, thereby improving the efficiency and effectiveness of the use of the semi-automatic switching special gas control panel.

[0021] Specifically, the operator can connect the air inlet pipe to the air inlet 19 of the right purge valve 9 and the left purge valve 10 according to the specific double-sided or single-sided use, and open the corresponding double-sided or single-sided secondary pressure reducer 17, the left-side primary pressure reducer 14, the second diaphragm valve 12, the left-side purge valve 10, the right-side primary pressure reducer 13, the first diaphragm valve 11 and the right-side purge valve 9 in sequence, and transmit gas through the connecting pipe 18. The outlet pressure gauge 15 and the high-pressure gauge 16 display the pressure value. The safety valve 22 provides safety performance for use. The right purge valve 9 and the left purge valve 10 have a purge function through the purge discharge pipe 20, are corrosion-resistant, and are assembled and tested in a clean workshop. They are suitable for use with high-purity gases in laboratories, gas analysis, etc. Finally, the gas is output from the outlet pipe 21 of the secondary pressure reducer 17.

[0022] Furthermore, the surfaces of the left-side first-stage pressure reducer 14, the second diaphragm valve 12, the left-side purge valve 10, the right-side first-stage pressure reducer 13, the first diaphragm valve 11 and the right-side purge valve 9 are all connected with a hand wheel 23, and the surface of the hand wheel 23 is provided with a notch 24 with a visual switch mark.

[0023] It is worth mentioning that the left-side first-stage pressure reducer 14, the second diaphragm valve 12, the left-side purge valve 10, the right-side first-stage pressure reducer 13, the first diaphragm valve 11 and the right-side purge valve 9 can all be operated by turning the hand wheel 23, and when the switch is operated, the slot 24 driven by the hand wheel 23 rotates to clearly indicate the switch mark.

[0024] Embodiment 2, based on the above embodiment:

[0025] Furthermore, four hook grooves 3 are equidistantly provided on one side surface of the base plate 1 close to the control panel body 5, a fastener 4 is provided inside the hook groove 3, and the fastener 4 is fixedly connected to the other side surface of the control panel body 5, and installation slots 2 are provided through the four corners of the surface of the base plate 1, and symmetrical slots 6 are provided on both side surfaces of the control panel body 5 and the base plate 1, and a clip strip 7 is provided inside the slot 6, and a side panel 8 is fixedly connected to the other side of the clip strip 7.

[0026] More specifically, in this embodiment, the operator first installs the base plate 1 through the installation slot 2, and then slides the clip 4 into the inside of the hook groove 3 to ensure that the hook of the control panel body 5 is stable. Finally, the clip strip 7 is inserted into the slot 6 of the control panel body 5 and the base plate 1 to complete the installation.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic switching special gas control panel, comprising a control panel body (5) and a bottom plate (1), characterized in that: A secondary pressure reducer (17) is fixedly mounted on a side surface of the control panel body (5) slightly above the center. One side of the secondary pressure reducer (17) is connected to a left primary pressure reducer (14), a second diaphragm valve (12) and a left purge valve (10) fixedly mounted on the control panel body (5). The other side of the secondary pressure reducer (17) is connected to a right primary pressure reducer (13), a first diaphragm valve (11) and a right purge valve (9) switchably mounted on the control panel body (5). The upper end surfaces of the right primary pressure reducer (13) and the left primary pressure reducer (14) are both fixedly connected to symmetrical outlet pressure gauges (15) and high pressure gauges ( 16), a connecting pipe (18) is welded between the two-stage pressure reducer (17), the left-side first-stage pressure reducer (14), the second diaphragm valve (12), the left-side purge valve (10), the right-side first-stage pressure reducer (13), the first diaphragm valve (11) and the right-side purge valve (9), one end of the connecting pipe (18) connecting the right-side purge valve (9) and the left-side purge valve (10) is connected to an air inlet (19), and the top ends of the right-side purge valve (9) and the left-side purge valve (10) are connected to a purge exhaust pipe (20), and the top end of the two-stage pressure reducer (17) is connected to an air outlet pipe (21).

2. A semi-automatic switching special gas control panel according to claim 1, characterized in that: One end of the connecting pipe (18) connected between the right-side primary pressure reducer (13) and the left-side primary pressure reducer (14) is fixedly connected to a safety valve (22).

3. A semi-automatic switching special gas control panel according to claim 2, characterized in that: The left-side primary pressure reducer (14), the second diaphragm valve (12), the left-side purge valve (10), the right-side primary pressure reducer (13), the first diaphragm valve (11) and the right-side purge valve (9) are symmetrically distributed on both sides of the secondary pressure reducer (17).

4. A semi-automatic switching special gas control panel according to claim 3, characterized in that: The surfaces of the left-side primary pressure reducer (14), the second diaphragm valve (12), the left-side purge valve (10), the right-side primary pressure reducer (13), the first diaphragm valve (11) and the right-side purge valve (9) are all connected to a hand wheel (23), and a notch (24) with a visible switch mark is provided on the surface of the hand wheel (23).

5. The semi-automatic switching special gas control panel according to claim 1 is characterized in that: The bottom plate (1) has four hook grooves (3) equidistantly formed on one side of the surface close to the control panel body (5), a buckle (4) is provided inside the hook groove (3), and the buckle (4) is fixedly connected to the other side of the control panel body (5), and installation notches (2) are provided through the four corners of the bottom plate (1).

6. A semi-automatic switching special gas control panel according to claim 5, characterized in that: The control panel body (5) and the side surfaces of the bottom plate (1) are jointly provided with symmetrical card slots (6), a card strip (7) is carded in the card slot (6), and the other side of the card strip (7) is fixedly connected to a side plate (8).

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