Integrated control device for gas shut-off valve and pressure reducing valve

Abstract

The present invention discloses a gas cut-off valve and pressure reducing valve integrated control device, comprising a liquefied gas access pipeline, the liquefied gas access pipeline is connected to each stove, one end of the liquefied gas access pipeline is sequentially connected to a liquefied gas medium-pressure pressure reducing valve, a one-way check valve, an explosion-proof cut-off valve and a liquefied gas output pipeline, the liquefied gas output pipeline is respectively connected to a medium-pressure gas outlet pipe and a low-pressure gas outlet pipe through a branch pipe, the other end of the liquefied gas access pipeline is provided with a connector connected to a liquefied gas tank, the one-way check valve unidirectionally guides the liquefied gas access pipeline to the explosion-proof cut-off valve, a valve for controlling on and off is installed on the medium-pressure gas outlet pipe, and the valve for controlling on and off and a low-pressure pressure reducing valve are sequentially connected to the low-pressure gas outlet pipe. The device has a high degree of integration, is convenient to control, and has better safety.

Description

Technical Field

[0001] The invention relates to an integrated control device for a gas cut-off valve and a pressure reducing valve. Background Art

[0002] The existing restaurant kitchens generally use gas cylinders, which need to be connected to the stoves through hoses, and each stove is connected to a gas cylinder, which makes the kitchens very crowded, the connection is extremely inconvenient, and there are many safety hazards. In addition, when the stove is replaced with a gas cylinder, the moment the hose connecting the stove and the gas cylinder is removed, the gas remaining in the stove will flow out along the hose (especially for medium-pressure or high-pressure gas stoves), which often causes burns or explosions. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an integrated control device of a gas shut-off valve and a pressure reducing valve, which can integrate and connect multiple stoves to a gas tank, improve the convenience and orderliness of installation and control, and can centrally set a check mechanism through an integrated structure to improve safety.

[0004] To this end, the integrated control device of a gas shut-off valve and a pressure reducing valve provided by the present invention comprises a liquefied gas access pipeline, the liquefied gas access pipeline is connected to each stove, one end of the liquefied gas access pipeline is connected in sequence to a liquefied gas medium-pressure pressure reducing valve, a one-way check valve, an explosion-proof shut-off valve and a liquefied gas output pipeline, the liquefied gas output pipeline is connected to a medium-pressure gas outlet pipe and a low-pressure gas outlet pipe respectively through branch pipes, the other end of the liquefied gas access pipeline is provided with a connector connected to a liquefied gas tank, the one-way check valve unidirectionally guides the direction from the liquefied gas access pipeline to the explosion-proof shut-off valve, the medium-pressure gas outlet pipe is provided with a valve for controlling on and off, and the low-pressure gas outlet pipe is connected in sequence to a valve for controlling on and off and a low-pressure pressure reducing valve.

[0005] Preferably, there are two medium-pressure air outlet pipes and two low-pressure air outlet pipes. The valve for controlling on-off provided on the medium-pressure air outlet pipe is a ball valve, and the valve for controlling on-off provided on the low-pressure air outlet pipe is a liquefied gas pipeline valve.

[0006] Preferably, the control device includes a T-shaped metal integrated pipe, the metal integrated pipe includes a transverse pipe and a vertical pipe connected to the middle of the transverse pipe, the liquefied gas access pipe is connected to the vertical pipe, the one-way check valve and the explosion-proof cut-off valve are arranged on the vertical pipe, and the liquefied gas pipeline valve is arranged at the connection between the transverse pipe and the low-pressure outlet pipe on the transverse pipe.

[0007] Preferably, at least two fixing brackets are mounted on the vertical tube of the metal integrated tube, and the fixing brackets are fixed to the base by a fixing mechanism, and the fixing brackets and the positions where the fixing brackets are mounted on the vertical tubes are covered by a box.

[0008] Preferably, an earthquake-resistant pressure gauge is provided at the upper end of the metal integrated pipe, and the fixed bracket includes a sleeve portion tightly sleeved on the vertical pipe, with fixing plates on both sides of the sleeve portion, and fixing through holes on the outer ends of both sides of the fixing plates, and the fixed bracket is fixed to the wall by installing expansion screws.

[0009] Preferably, the vertical tube is equipped with a heat sink, a heat sink is provided on the heat sink, the heat sink and the heat sink have inner cavities that are interconnected, the heat sink is sleeved on the vertical tube, and tap water connection ends are respectively provided on both sides of the heat sink, and the two tap water connection ends are respectively connected to tap water pipes.

[0010] Preferably, a flow meter is provided on the vertical pipe and in the output direction of the explosion-proof cut-off valve, the flow meter is connected to the processor module, the processor module is connected to the wireless signal transmitting module, the explosion-proof cut-off valve is provided with an electric controller, the electric controller is provided with a wireless signal receiving module, both the wireless signal transmitting module and the wireless signal receiving module are connected to the remote control platform through signals, the remote control platform receives the flow signal to determine whether an accidental leakage occurs, and the remote control platform controls the on and off of the explosion-proof cut-off valve to the electric controller.

[0011] Preferably, the remote control platform is equipped with a central processor, which can immediately send a wireless signal to the wireless signal receiving module to close the explosion-proof shut-off valve as long as it detects that the flow meter exceeds the set value during non-working hours through a set program.

[0012] Technical effects of the present invention:

[0013] 1) The T-shaped metal integrated pipe of the present invention includes a horizontal pipe and a vertical pipe, the one-way check valve and the explosion-proof cut-off valve are arranged on the vertical pipe, and the liquefied gas pipeline valve is arranged at the connection between the horizontal pipe and the low-pressure outlet pipe on the horizontal pipe, so that the entire cooker can be centrally installed on the metal integrated pipe, wherein the liquefied gas access pipeline is connected to the vertical pipe, the one-way check valve and the explosion-proof cut-off valve are arranged on the vertical pipe, and the liquefied gas pipeline valve is arranged at the connection between the horizontal pipe and the low-pressure outlet pipe on the horizontal pipe, thereby enabling multiple cookers to be controlled more safely and conveniently on the metal integrated pipe.

[0014] 2) The control device is connected to the gas tank through a unique liquefied gas access pipeline, and a check valve is arranged on the liquefied gas access pipeline or the unique pipeline connected thereto. When the gas tank is replaced, the gas in the gas stove is blocked at the check valve to prevent residual gas from gushing out and causing leakage and explosion, thereby achieving low-cost and high-efficiency safety control by arranging a check mechanism in an integrated mechanism.

[0015] 3) By setting up flow meters, explosion-proof shut-off valves, power control devices and wireless signal control devices, gas stoves and gas tanks can be remotely monitored, and the explosion-proof shut-off valves can be cut off in time through remote control to achieve more efficient safety control.

[0016] 4) By sleeve-fitting the heat dissipation sleeve onto the vertical tube, the heat dissipation sleeve is provided with tap water connection ends on both sides, and the two tap water connection ends are respectively connected to the tap water pipes. The tap water flowing through will continuously cool down the vertical tube and the entire metal integrated tube through the heat dissipation sleeve to improve safety.

[0017] 5) The liquefied gas medium-pressure reducing valve and low-pressure reducing valve are distributed step by step and orderly through a metal integrated pipe, so that cookers with multiple pressure levels can be integrated into one metal integrated pipe, realizing low-cost and orderly integrated connection and control.

[0018] 6) At least two fixing brackets are mounted on the vertical pipe of the metal integrated pipe, and the fixing brackets are fixed on the base by a fixing mechanism. The fixing brackets and the positions of the fixing brackets mounted on the vertical pipes are covered by a box body, so that the integrated control device of the gas shut-off valve and the pressure reducing valve has a stronger overall appearance and is more beautiful after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the gas shut-off valve and pressure reducing valve integrated control device provided in Example 1 of the present invention after being connected to a gas tank and a cooker.

[0020] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of the integrated control device for the gas shut-off valve and the pressure reducing valve.

[0021] Figure 3 for Figure 2 Schematic diagram of the structure after the vertical pipe is fixed to the wall through a fixing bracket.

[0022] Figure 4 This is a schematic diagram of the structure of the vertical tube after the heat dissipation sleeve is installed in the vertical tube provided in Example 2 of the present invention.

[0023] Figure 5 for Figure 4 A schematic cross-sectional view of the structure of the heat dissipation sleeve. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0025] Reference Figure 1-3 As shown, the integrated control device of the gas shut-off valve and the pressure reducing valve provided by the present invention comprises a liquefied gas access pipeline 1, the liquefied gas access pipeline 1 is connected to each stove, one end of the liquefied gas access pipeline 1 is connected to a liquefied gas medium-pressure pressure reducing valve 2, a one-way check valve 3, an explosion-proof shut-off valve 4 and a liquefied gas output pipeline in sequence, the liquefied gas output pipeline is connected to a medium-pressure gas outlet pipe 5 and a low-pressure gas outlet pipe 6 respectively through branch pipes, the other end of the liquefied gas access pipeline 1 is provided with a connector 8 connected to a liquefied gas tank 7, the one-way check valve 3 unidirectionally guides the direction from the liquefied gas access pipeline 1 to the explosion-proof shut-off valve 4, the medium-pressure gas outlet pipe 5 is provided with a valve for controlling on and off, and the low-pressure gas outlet pipe 6 is connected to a valve for controlling on and off and a low-pressure pressure reducing valve 9 in sequence.

[0026] Reference Figure 1-2 As shown, there are two medium-pressure air outlet pipes 5 and two low-pressure air outlet pipes 6. The valve for controlling the on-off of the medium-pressure air outlet pipe 5 is a ball valve 10, and the valve for controlling the on-off of the low-pressure air outlet pipe 6 is a liquefied gas pipeline valve 11.

[0027] Reference Figure 2 As shown, the control device includes a T-shaped metal integrated pipe 12, the metal integrated pipe 12 includes a transverse pipe 12A and a vertical pipe 12B connected to the middle of the transverse pipe, the liquefied gas access pipeline 1 is connected to the vertical pipe 12B, the one-way check valve 3 and the explosion-proof cut-off valve 4 are arranged on the vertical pipe 12B, and the liquefied gas pipeline valve 11 is arranged at the connection between the transverse pipe 12A and the low-pressure outlet pipe 6 on the transverse pipe 12A.

[0028] Reference Figure 2-3 As shown, at least two fixing brackets 13 are mounted on the vertical tube 12B of the metal integrated tube 12. The fixing brackets 13 are fixed on the base by a fixing mechanism. The fixing brackets 13 and the positions where the fixing brackets 13 are mounted on the vertical tube 12B are covered by a box 14. An earthquake-resistant pressure gauge 15 is provided at the upper end of the metal integrated tube 12. The fixing bracket 13 includes a sleeve portion 13A that is tightly sleeved on the vertical tube 12B, and fixing plates 13B are provided on both sides of the sleeve portion. The fixing plates 13B have fixing through holes 13C at the outer ends of both sides. The fixing bracket 13 is fixed to the wall by installing expansion screws.

[0029] Reference Figure 4-5As shown, embodiment 2 of the present invention is basically the same as embodiment 1, and the only difference is that: the vertical tube 12B is provided with a heat sink 16, and the heat sink 16 has an arc-shaped recess 20 matching the vertical tube 12B, and the heat sink 16 has mounting holes 21 at four corners. The entire metal integrated tube 12 is mounted and fixed on the wall by using expansion screws to pass through the mounting holes 21, and is covered with a box body 14. A heat sink 17 is provided on the heat sink 16, and the heat sink and the heat sink 17 have inner cavities 18 that are mutually conductive, and the heat sink 17 is sleeved on the vertical tube 12B, and the heat sink 16 has tap water connection ends on both sides, and the two tap water connection ends are respectively connected to the tap water pipe 19.

[0030] Reference Figure 1 As shown, a flow meter is provided on the vertical pipe 12B in the above-mentioned embodiment 2 and in the direction of the output end of the explosion-proof cut-off valve 4. The flow meter is connected to the processor module, the processor module is connected to the wireless signal transmitting module, the explosion-proof cut-off valve 4 is provided with an electric controller, the electric controller is provided with a wireless signal receiving module, the wireless signal transmitting module and the wireless signal receiving module are both connected to the remote control platform through signals, the remote control platform receives the flow signal to determine whether an accidental leakage occurs, and the remote control platform controls the on and off of the explosion-proof cut-off valve 4 to the electric controller. The remote control platform is provided with a central processor, and through a set program, as long as it is monitored that the flow meter exceeds the set value during non-working hours, it will immediately send a wireless signal to the wireless signal receiving module to close the explosion-proof cut-off valve 4.

[0031] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A gas shut-off valve and pressure reducing valve integrated control device, comprising a liquefied gas access pipeline, the liquefied gas access pipeline is connected to each stove, and its characteristics are: One end of the liquefied gas access pipeline is connected to the liquefied gas medium-pressure pressure reducing valve, the one-way check valve, the explosion-proof shut-off valve and the liquefied gas output pipeline in sequence, and the liquefied gas output pipeline is connected to the medium-pressure outlet pipe and the low-pressure outlet pipe respectively through branch pipes. The other end of the liquefied gas access pipeline is provided with a connector connected to the liquefied gas tank. The one-way check valve unidirectionally guides the liquefied gas access pipeline to the explosion-proof shut-off valve. A valve for controlling on and off is installed on the medium-pressure outlet pipe, and the valve for controlling on and off and the low-pressure pressure reducing valve are connected to the low-pressure outlet pipe in sequence; There are two medium-pressure gas outlet pipes and two low-pressure gas outlet pipes. The valves for controlling on and off provided on the medium-pressure gas outlet pipes are ball valves, and the valves for controlling on and off provided on the low-pressure gas outlet pipes are liquefied gas pipeline valves. The control device includes a T-shaped metal integrated pipe, which includes a transverse pipe and a vertical pipe connected to the middle of the transverse pipe. The liquefied gas access pipeline is connected to the vertical pipe. The one-way check valve and explosion-proof cut-off valve are arranged on the vertical pipe. The liquefied gas pipeline valve is arranged at the connection between the transverse pipe and the low-pressure outlet pipe on the transverse pipe.

2. The integrated control device for gas shut-off valve and pressure reducing valve according to claim 1 is characterized in that: At least two fixing brackets are mounted on the vertical tube of the metal integrated tube, and the fixing brackets are fixed on the base by using a fixing mechanism, and the fixing brackets and the positions where the fixing brackets are mounted on the vertical tubes are covered by a box body.

3. The integrated control device for gas shut-off valve and pressure reducing valve according to claim 2 is characterized in that: An earthquake-resistant pressure gauge is arranged at the upper end of the metal integrated pipe. The fixed bracket comprises a sleeve portion which is tightly sleeved on the vertical pipe, with fixing plates on both sides of the sleeve portion, and fixing through holes on the outer ends of both sides of the fixing plates. The fixed bracket is fixed to the wall by installing expansion screws.

4. The integrated control device for a gas shut-off valve and a pressure reducing valve according to claim 2 or 3, characterized in that: The vertical tube is equipped with a heat sink, and a heat sink is arranged on the heat sink. The heat sink and the heat sink have inner cavities that are interconnected. The heat sink is sleeved on the vertical tube, and tap water connection ends are respectively provided on both sides of the heat sink, and the two tap water connection ends are respectively connected to tap water pipes.

5. The integrated control device for gas shut-off valve and pressure reducing valve according to claim 1 is characterized in that: A flow meter is provided on the vertical pipe and at the output end of the explosion-proof cut-off valve. The flow meter is connected to the processor module, the processor module is connected to the wireless signal transmitting module, the explosion-proof cut-off valve is provided with an electric controller, the electric controller is provided with a wireless signal receiving module, both the wireless signal transmitting module and the wireless signal receiving module are connected to the remote control platform through signals, the remote control platform receives the flow signal to determine whether an accidental leakage occurs, and the remote control platform controls the on and off of the explosion-proof cut-off valve to the electric controller.

6. The integrated control device for gas shut-off valve and pressure reducing valve according to claim 5 is characterized in that: The remote control platform is equipped with a central processor, and through a set program, as long as it is monitored that the flow meter exceeds the set value during non-working hours, a wireless signal for closing the explosion-proof shut-off valve is immediately sent to the wireless signal receiving module.

7. The integrated control device for gas shut-off valve and pressure reducing valve according to claim 4 is characterized in that: A flow meter is provided on the vertical pipe and in the output direction of the explosion-proof cut-off valve. The flow meter is connected to the processor module, the processor module is connected to the wireless signal transmitting module, the explosion-proof cut-off valve is provided with an electric controller, the electric controller is provided with a wireless signal receiving module, both the wireless signal transmitting module and the wireless signal receiving module are connected to the remote control platform through signals, the remote control platform receives the flow signal to determine whether an accidental leakage occurs, the remote control platform controls the on and off of the explosion-proof cut-off valve to the electric controller, the remote control platform is provided with a central processing unit, and through a set program, as long as it is monitored that the flow meter exceeds the set value during non-working hours, a wireless signal for closing the explosion-proof cut-off valve is immediately sent to the wireless signal receiving module.

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