Electromagnetic type gas emergency cut-off valve device

Abstract

The utility model provides an electromagnetic type gas emergency cut-off valve device, and mainly relates to the technical field of gas safety alarm. An electromagnetic type gas emergency cut-off valve device comprises a valve body, a valve striking terminal and an alarm, the valve body is connected with the valve striking terminal through a wire, a circuit board and a battery are installed in the valve striking terminal, and the valve striking terminal is connected with the alarm through 2.4 G wireless. The utility model is suitable for two-position on-off switching of heating combustion medium pipelines such as urban gas, liquefied petroleum gas, natural gas and the like, and has the advantages that the battery is adopted for power supply, and an alarm does not need to provide a power supply; a wireless communication mode is adopted, and cable connection is not needed; the electromagnetic valve is provided with a detection loop which can detect the state of the electromagnetic valve; a low-power-consumption communication mode is adopted; the battery is convenient to mount and dismount.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of gas safety alarm, in particular to an electromagnetic gas emergency cut-off valve device. Background Art

[0002] With the gradual liberalization of urban gas utilities and the rapid development of the gas industry, natural gas, liquefied gas, coal gas and other pipeline gases have been rapidly popularized in my country. The use of gas has brought great convenience to people's lives, effectively improved people's quality of life and reduced environmental pollution. But at the same time, it has also brought many disasters to people's lives. Safety accidents such as poisoning, explosions, and fires caused by gas leaks occur from time to time, causing huge losses to people's lives and property, and have become the focus and focus of the gas industry.

[0003] The gas emergency shut-off valve is a valve installed at the outlet of the gas storage tank / pipeline that can be quickly shut off in an emergency. The existing electromagnetic gas emergency shut-off valve device has the following defects:

[0004] 1. The linkage between the existing solenoid valve and the alarm is connected by wires;

[0005] 2. The energy for the operation of the existing solenoid valve comes from the alarm;

[0006] 3. The working status alarm of the existing solenoid valve cannot be obtained. Utility Model Content

[0007] In order to solve the deficiencies of the prior art, the utility model provides an electromagnetic gas emergency shut-off valve device, which can solve the defects existing in the above-mentioned electromagnetic valve products.

[0008] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions:

[0009] An electromagnetic gas emergency shut-off valve device comprises a valve body, a valve opening terminal and an alarm. The valve body is connected to the valve opening terminal via a wire. A circuit board and a battery are respectively installed in the valve opening terminal. The valve opening terminal is connected to the alarm via a 2.4G wireless connection.

[0010] The valve opening terminal is provided with a button and an indicator light, and one side of the valve opening terminal is provided with an antenna, which is connected to a circuit board through a wire.

[0011] A slot is provided on one side of the valve opening terminal, and bolt seats are provided at the upper and lower parts of the valve opening terminal respectively. The bolt seats are connected to a fixing frame through bolts, and the valve opening terminal is fixedly installed on the gas pipeline through the fixing frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is suitable for two-position on-off switching of pipelines using various gases such as city gas, liquefied petroleum gas, and natural gas as heating and combustion media, and has the following advantages:

[0014] 1. Battery powered, no need for alarm to provide power;

[0015] 2. Wireless communication is adopted, and no cable connection is required;

[0016] 3. The solenoid valve has its own detection circuit, which can detect the state of the solenoid valve;

[0017] 4. Use low-power communication mode;

[0018] 5. The battery is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of the valve opening terminal of the utility model;

[0021] Figure 3 This is a schematic diagram of the side view of the valve opening terminal of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the valve opening terminal of the utility model.

[0023] The numbers shown in the accompanying drawings are: 1, valve body; 2, valve opening terminal; 3, alarm; 21, button; 22, indicator light; 23, antenna; 31, slot; 32, bolt seat; 33, fixing bracket. DETAILED DESCRIPTION

[0024] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0025] Combined with Figure 1-4 An electromagnetic gas emergency shut-off valve device includes a valve body 1, a valve opening terminal 2, and an alarm 3. The valve body 1 is connected to the valve opening terminal 2 through a wire. A circuit board and a battery are installed in the valve opening terminal 2. The valve opening terminal 2 is connected to the alarm 3 via a 2.4G wireless connection.

[0026] The valve opening terminal 2 is provided with a button 21 and an indicator light 22. An antenna 23 is provided on one side of the valve opening terminal 2. The antenna 23 is connected to the circuit board through a wire. The button 21 is used to adjust the operation of the device, and the indicator light 22 is used to indicate the working status of the device.

[0027] A slot 31 is provided on one side of the valve terminal 2, and bolt seats 32 are provided at the upper and lower parts of the valve terminal 2 respectively. The bolt seats 32 are connected to the fixing frame 33 by bolts, and the valve terminal 2 is fixedly installed on the gas pipeline through the fixing frame 33; a buzzer is also provided in the valve terminal 2; the slot 31 is used for stably installing the valve terminal 2 on the gas pipeline through the fixing frame 33.

[0028] Embodiment 1:

[0029] 1. Using the coil inductance characteristics of conventional solenoid valves:

[0030] (1) Solenoid valve closed: The 3.6V lithium battery is boosted through the inductor and capacitor to meet the 9~12V valve closing voltage.

[0031] (2) Valve status detection: By detecting the difference in the inductance of the coil when the solenoid valve is open and closed, it is determined whether the current state of the solenoid valve is closed, open or abnormal.

[0032] 2. Wireless communication uses 2.4Ghz frequency band communication:

[0033] 2.4 GHz wireless technology is a short-distance wireless transmission technology for open source use. 2.4 GHz refers to a working frequency band. 2.4 GHz ISM (Industry Science Medicine) is a wireless frequency band openly used worldwide. Bluetooth technology works in this frequency band. Working in the 2.4 GHz frequency band can obtain a larger range of use and stronger anti-interference ability. It is widely used in home and commercial fields. Technology used for short-distance wireless transmission and conduction.

[0034] 3.Battery power supply: Li-ion battery

[0035] (1) The working voltage is high and stable: the nominal voltage of lithium-ion battery is 3.6V, and the voltage remains stable during operation;

[0036] (2) Wide operating temperature range: working temperature is -40℃~85℃;

[0037] (3) High energy density: Lithium-ion battery has one of the highest energy density among primary batteries;

[0038] (4) Good storage performance: The self-discharge rate of lithium-ion batteries is extremely low, only 1% per year;

[0039] (5) Good structural reliability: The lithium-ion battery adopts a fully sealed structure to effectively prevent leakage

[0040] 4.Buzzer indicates device status undervoltage reminder

[0041] 5. Indicator lights indicate working status and valve status

[0042] 6. The buttons have matching and valve test related functions

[0043] Embodiment 2:

[0044] Instructions

[0045] 1. Function Introduction

[0046]

[0047] 2. Installation location

[0048] The wireless valve opening terminal should be installed in a convenient location near the valve, but the installation distance from the detector should not exceed 15 meters and there should not be more than one solid wall within this range (the actual environment is different and the distance may be slightly biased). The JDM-2.4G-BAT wireless valve opening terminal can be installed on the gas pipeline near the valve.

[0049] 3. Product Usage

[0050] Install and fix the wireless valve opening terminal according to the installation location requirements. When using it for the first time, it needs to be paired with the detector, and after the pairing is completed, it will enter the normal monitoring state.

[0051] 4. Fault description and troubleshooting methods

[0052]

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An electromagnetic gas emergency shut-off valve device, comprising a valve body (1), a valve opening terminal (2), and an alarm (3), characterized in that: The valve body (1) is connected to the valve opening terminal (2) via a wire, a circuit board and a battery are installed in the valve opening terminal (2), and the valve opening terminal (2) is connected to the alarm (3) via a 2.4G wireless connection; a button (21) and an indicator light (22) are provided on the valve opening terminal (2), an antenna (23) is provided on one side of the valve opening terminal (2), and the antenna (23) is connected to the circuit board via a wire; a slot (31) is provided on one side of the valve opening terminal (2), and bolt seats (32) are provided at the upper and lower parts of the valve opening terminal (2), respectively, and the bolt seats (32) are connected to a fixing frame (33) via bolts, and the valve opening terminal (2) is fixedly installed on the gas pipeline via the fixing frame (33).

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