Safety protection device for natural gas station

Abstract

The utility model relates to the field of natural gas station protection, and discloses a natural gas station safety protection device which comprises a protection support, and a protection monitoring mechanism is arranged on the outer side of the protection support. The movable monitoring sliding block is driven to horizontally move along the lower surface of the fixing frame, and along with the movement of the movable monitoring sliding block, the methane sensor can detect the methane concentration of air around the connecting position of a plurality of flow dividing pipes and gas filling pipes of the gas cylinder of the natural gas station at different positions; when the methane sensor detects that the concentration of methane in the air exceeds a preset safety threshold value, a signal is immediately transmitted to the alarm to trigger the alarm function of the alarm, so that the leakage problem in the using process of the gas cylinder of the natural gas station is found in time, the safety risk caused by leakage is reduced, and the safety of personnel and facilities is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas station protection field especially relates to a natural gas station safety device. BACKGROUND

[0002] Natural gas station safety device is used for ensuring the safety of natural gas cylinder during use, and the main purpose of these devices is to prevent natural gas leakage, fire, explosion and other accidents, and to protect personal safety and property safety.

[0003] According to Chinese authorized patent announcement number: CN208566184U, a kind of safety protection device for gas station is disclosed, including box, protective shell and ventilation fan, the box below is provided with base, the box above is provided with mounting plate, the mounting plate above is provided with the protective shell, the protective shell above is provided with top plate, the protective shell inside is provided with backup battery, the backup battery side is provided with circuit board, the circuit board is provided with acceleration sensor, the acceleration sensor side is provided with control chip, the control chip is provided with wireless communication chip away from the acceleration sensor side.Effect in that: not only can the vibration degree of box be detected in real time, so as to judge whether collision phenomenon appears, but also can the flammable gas concentration in box be detected in real time, so as to judge whether natural gas leakage phenomenon appears, and when discovering natural gas leakage, timely ventilation treatment is carried out, the safety of gas station is greatly improved, but the protective device still has some deficiencies, the safety protection device uses fixed position sensor to monitor, and in actual, the gas cylinder of natural gas station usually has multiple inflation positions, the safety protection device cannot realize the dynamic detection of air around multiple inflation positions, and some potential leakage points can be missed. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a natural gas station safety protection device, which solves the problem that comprehensive and dynamic detection of air around multiple inflation positions cannot be realized.

[0005] In order to achieve the above object, the utility model discloses a natural gas station safety protection device through the following technical schemes, a protection support is provided with the protection monitoring mechanism outside, the protection monitoring mechanism includes the outer support, fixed frame, transmission screw rod, motor, mobile monitoring slide block, support plate and methane sensor, the outer support is fixedly connected outside the protection support, the outer support upper surface is fixedly connected with fixed frame, the fixed frame middle rotatable connection has transmission screw rod, the transmission screw rod outside is connected with mobile monitoring slide block, and the mobile monitoring slide block upper end is slidably connected in the fixed frame lower surface, and the mobile monitoring slide block outside is fixedly connected with support plate, and the support plate middle is provided with methane sensor, and the fixed frame outside is provided with motor, and the output of motor is connected with transmission screw rod.

[0006] Preferably, the upper end of the protection support is fixedly connected with an arc-shaped gasket, and the upper surface of the arc-shaped gasket is provided with a natural gas station gas cylinder.

[0007] Preferably, the natural gas station gas cylinder is provided with a plurality of shunt pipes on one side, and each shunt pipe is connected with a gas filling pipe at an end away from the natural gas station gas cylinder.

[0008] Preferably, a pressure relief protection bottle is arranged below the natural gas station gas cylinder, a pressure relief pipe is connected between the pressure relief protection bottle and the natural gas station gas cylinder, and a pressure relief pump is arranged at the connection position of the pressure relief pipe and the natural gas station gas cylinder.

[0009] Preferably, a pressure detector is arranged on the upper surface of the natural gas station gas cylinder.

[0010] Preferably, an alarm is arranged on the upper surface of the fixed frame, and the alarm is electrically connected with the methane sensor.

[0011] Beneficial effects

[0012] The utility model provides a natural gas station safety protection device, compared with prior art has the following beneficial effects:

[0013] 1、In the utility model, through the setting of the protection monitoring mechanism, in the process that the natural gas station gas cylinder is used, the motor drives the transmission screw rod to rotate, drives the mobile monitoring slide block to move horizontally along the fixed frame lower surface, along with the movement of the mobile monitoring slide block, the methane sensor can detect the methane concentration of the air around the natural gas station gas cylinder multiple shunt pipes and the gas filling pipe connection position at different positions, when the methane sensor detects that the methane concentration in the air exceeds the preset safety threshold, will immediately pass the signal to the alarm, triggers the alarm function of the alarm, thereby timely discovers the leakage problem in the process that the natural gas station gas cylinder is used, reduces the safety risk brought by leakage, guarantees the safety of personnel and facilities;

[0014] 2、The utility model discloses a pressure relief protection bottle is set up, when the pressure detector detects that the pressure in the gas cylinder is abnormal, and the pressure detector triggers the pressure relief pump to release the pressure in excess to the pressure relief protection bottle, thereby protecting the gas cylinder of natural gas station from damaging due to overpressure, through the design of pressure relief pump and pressure relief protection bottle, effectively prevent the explosion risk of gas cylinder due to overpressure, improve the safety of the gas cylinder of natural gas station. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a right side three-dimensional structure schematic diagram of a natural gas station safety protection device provided by the utility model;

[0016] Figure 2 It is a left side three-dimensional structure schematic diagram of a natural gas station safety protection device provided by the utility model;

[0017] Figure 3 It is a structure schematic diagram of the oblique upper view of a natural gas station safety protection device provided by the utility model;

[0018] Figure 4 It is a natural gas station safety protection device provided by the utility model Figure 3 A zoomed-in view of the middle A.

[0019] Legend:

[0020] 1, protection support, 2, natural gas station gas cylinder, 3, pressure relief protection bottle, 4, protection monitoring mechanism, 401, outer support, 402, fixed frame, 403, transmission screw, 404, motor, 405, mobile monitoring sliding block, 406, support plate, 407, methane sensor, 5, pressure detector, 6, pressure relief pump, 7, shunt pipe, 8, gas filling pipe, 9, alarm, 10, arc gasket, 11, pressure relief pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides two technical schemes, and specifically includes the following embodiments:

[0023] Embodiment one:

[0024] The utility model provides a natural gas station safety protection device, including protection support 1, the outside of protection support 1 is provided with protection monitoring mechanism 4, protection monitoring mechanism 4 includes outer support 401, fixed frame 402, transmission screw rod 403, motor 404, mobile monitoring slider 405, support plate 406 and methane sensor 407, outer support 401 is fixedly connected to the outside of protection support 1, the upper surface of outer support 401 is fixedly connected with fixed frame 402, the middle rotationally connected of fixed frame 402 is provided with transmission screw rod 403, the outside screw connection of transmission screw rod 403 is provided with mobile monitoring slider 405, the upper end of mobile monitoring slider 405 is slidably connected in fixed frame 402 lower surface, the outside fixed connection of mobile monitoring slider 405 is provided with support plate 406, and the middle of support plate 406 is provided with methane sensor 407, and the outside of fixed frame 402 is provided with motor 404, and the output of motor 404 is connected with transmission screw rod 403, and the upper surface of fixed frame 402 is provided with alarm 9, and alarm 9 is electrically connected with methane sensor 407, and the specific model of methane sensor 407 is GS-MQ2-100, it needs to be explained that the main component of natural gas is methane, and therefore uses methane sensor 407 to detect whether there is natural gas leakage condition.

[0025] When working, in the process of natural gas station cylinder 2 use, drive transmission screw rod 403 rotation through motor 404, drive mobile monitoring slider 405 along fixed frame 402 lower surface horizontal movement, along with the movement of mobile monitoring slider 405, methane sensor 407 can be in different positions to natural gas station cylinder 2 multiple shunt pipe 7 and the air of the around of gas pipe connection position methane concentration detection, when methane sensor 407 detects the methane concentration in air exceeds the preset safety threshold, will immediately pass signal to alarm 9, triggers the alarm function of alarm 9, to find the leakage problem in the use of natural gas station cylinder 2 in time, reduces the security risk brought by leakage, guarantees the safety of personnel and facilities.

[0026] Embodiment two:

[0027] On the basis of embodiment one, the protective support 1 is fixedly connected with an arc-shaped gasket 10 at the upper end, the arc-shaped gasket 10 is provided with a natural gas station gas cylinder 2 on the upper surface, a plurality of shunt pipes 7 are arranged on one side of the natural gas station gas cylinder 2, each shunt pipe 7 is connected with a gas filling pipe 8 at the end away from the natural gas station gas cylinder 2, a pressure relief protection cylinder 3 is arranged below the natural gas station gas cylinder 2, a pressure relief pipe 11 is connected between the pressure relief protection cylinder 3 and the natural gas station gas cylinder 2, the pressure relief pipe 11 is provided with a pressure relief pump 6 at the position connected with the natural gas station gas cylinder 2, the gas inlet end of the pressure relief pump 6 is connected with the natural gas station gas cylinder 2, the gas outlet end of the pressure relief pump 6 is connected with the pressure relief protection cylinder 3 through the pressure relief pipe 11, the upper surface of the natural gas station gas cylinder 2 is provided with a pressure detector 5, when the pressure detector 5 detects that the pressure in the gas cylinder is abnormal, the pressure detector 5 triggers the pressure relief pump 6 to release the excess pressure into the pressure relief protection cylinder 3, so as to protect the natural gas station gas cylinder 2 from being damaged due to overpressure, through the design of the pressure relief pump 6 and the pressure relief protection cylinder 3, the risk of explosion of the gas cylinder due to overpressure is effectively prevented, and the safety of the natural gas station gas cylinder 2 is improved.

[0028] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. A safety guard for a natural gas station comprising a guard support (1), characterised in that: The protective support (1) is provided with a protective monitoring mechanism (4) outside, the protective monitoring mechanism (4) includes an outer support (401), a fixed frame (402), a transmission screw (403), a motor (404), a mobile monitoring slider (405), a support plate (406) and a methane sensor (407), the outer support (401) is fixedly connected outside the protective support (1), the outer support (401) is fixedly connected with the fixed frame (402) on the upper surface, the fixed frame (402) is rotatably connected with the transmission screw (403) in the middle, the transmission screw (403) is threadedly connected with the mobile monitoring slider (405) outside, the mobile monitoring slider (405) is slidably connected to the lower surface of the fixed frame (402) on the upper end, the mobile monitoring slider (405) is fixedly connected with the support plate (406) outside, the support plate (406) is provided with the methane sensor (407) in the middle, the fixed frame (402) is provided with the motor (404) outside, and the output end of the motor (404) is drivingly connected with the transmission screw (403).

2. A natural gas station safety shield according to claim 1, characterized in that: The protective support (1) is fixedly connected with an arc-shaped gasket (10) on the upper end, and the arc-shaped gasket (10) is provided with a natural gas station gas cylinder (2) on the upper surface.

3. A natural gas station safety shield according to claim 2, characterized in that: A plurality of shunt pipes (7) are arranged on one side of the natural gas station gas cylinder (2), and each shunt pipe (7) is connected with a gas filling pipe (8) away from the natural gas station gas cylinder (2).

4. A natural gas station safety shield according to claim 2, wherein: A pressure relief protection cylinder (3) is arranged below the natural gas station gas cylinder (2), and a pressure relief pipe (11) is connected between the pressure relief protection cylinder (3) and the natural gas station gas cylinder (2), and a pressure relief pump (6) is arranged at the connection position of the pressure relief pipe (11) and the natural gas station gas cylinder (2).

5. A natural gas station safety shield according to claim 2, wherein: A pressure detector (5) is arranged on the upper surface of the natural gas station gas cylinder (2).

6. A natural gas station safety shield according to claim 1, characterized in that: An alarm (9) is arranged on the upper surface of the fixed frame (402), and the alarm (9) is electrically connected with the methane sensor (407).

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