Fire arrestor fire stopping automatic detection device

Abstract

The invention discloses a flame arrester fire stopping automatic detection device which comprises a flame arrester, a plug, a high-precision pressure sensor and a flow sensor, a rotating shaft of a stepping motor is connected with a valve rod of the flame arrester through a coupler, the plug is in threaded connection with an outlet of the flame arrester, and the high-precision pressure sensor is connected with the flow sensor. The high-precision pressure sensor is installed in the plug, and the flow sensor is installed in the plug. When the flame arrester is used, the stepping motor adjusts the valve rod of the flame arrester in a micro-step mode and adjusts the on-off state of the flame arrester, the plug is connected to an outlet of the flame arrester in a threaded mode, the high-precision pressure sensor and the flow sensor are installed in the plug, and the high-precision pressure sensor and the flow sensor can sense gas pressure airflow of combustible gas and transmit accurate data. The internal pressure and flow change of the flame arrester is detected in real time, and whether the working state of the flame arrester is normal or not is automatically detected by comparing with preset values.

Description

Technical Field

[0001] The invention relates to the technical field of combustible gas detection, and in particular to an automatic detection device for flame arrester fire stopping. Background Art

[0002] The flame arrester automatic detection system is a detection device used to ensure the normal operation of the flame arrester. It detects the working status inside the flame arrester in real time through sensors, automatically detects whether the flame is effectively suppressed, and promptly feeds back the equipment's operating data to ensure the safety of key facilities such as pipelines and ventilation systems, reduce the workload of manual inspections, and ensure the reliability of the flame arrester at critical moments.

[0003] However, traditional flame arrester adjustment often relies on mechanical methods or simple switch control, which is difficult to achieve precise adjustment. Especially when fine adjustments are required, errors are prone to occur, which affects the accuracy of airflow control and reduces the overall efficiency and reliability of the equipment. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, an object of the present invention is to provide an automatic detection device for flame arrester fire stopping, which detects the internal pressure and flow of the flame arrester in real time through high-precision pressure and flow sensors, and uses micro-step adjustment of a stepper motor to improve the precision control of the flame arrester.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic detection device for flame arrester fire stopping, comprising a flame arrester, a plug, a high-precision pressure sensor and a flow sensor, the rotating shaft of the stepper motor is connected to the valve stem of the flame arrester through a coupling, the plug is threadedly connected to the outlet of the flame arrester, the high-precision pressure sensor is installed inside the plug, the flow sensor is installed inside the plug, and the detection ends of the flow sensor and the high-precision pressure sensor are both located inside the flame arrester.

[0007] Preferably, a microcontroller is installed outside the stepper motor, the microcontroller is signal-connected to the flow sensor and the high-precision pressure sensor, and the microcontroller is electrically connected to the stepper motor.

[0008] Preferably, a solenoid valve is installed at the inlet of the flame arrester.

[0009] Preferably, a valve top cover is fixedly connected to the top of the flame arrester.

[0010] Preferably, a mounting plate is fixedly connected to the bottom of the stepper motor, and bolts are provided on the mounting plate.

[0011] Preferably, the microcontroller is connected to a touch screen via a wire.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adjusts the valve stem of the flame arrester by micro-stepping of a stepper motor to control the switch state; a high-precision pressure and flow sensor is installed at the plug to detect the internal pressure and flow of the flame arrester in real time and automatically detect the working state of the flame arrester; the structure is simple, the control accuracy of the stepper motor is high, and the present invention is suitable for batch application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a flame arrester fire stopping automatic detection device according to an embodiment of the present invention;

[0014] Figure 2 For the embodiment of the present invention Figure 1 A schematic diagram of the enlarged structure of part A;

[0015] Figure 3 It is a schematic structural diagram of a plug in the automatic detection device for flame arrester fire stopping according to an embodiment of the present invention.

[0016] In the figure: 1. flame arrester; 2. stepper motor; 3. micro controller; 4. solenoid valve; 5. mounting plate; 6. bolts; 7. valve top cover; 8. plug; 9. high-precision pressure sensor; 10. flow sensor; 11. touch screen. DETAILED DESCRIPTION

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

[0018] See also Figure 1-Figure 3 An embodiment of the present invention provides a flame arrester fire stopping automatic detection device, comprising: a flame arrester 1, a plug 8, a high-precision pressure sensor 9 and a flow sensor 10.

[0019] In this embodiment, Figure 1 As shown, the rotating shaft of the stepper motor 2 is connected to the valve stem of the flame arrester 1 through a coupling, the plug 8 is threadedly connected to the outlet of the flame arrester 1, the high-precision pressure sensor 9 is installed inside the plug 8, and the flow sensor 10 is installed inside the plug 8. The detection ends of the flow sensor 10 and the high-precision pressure sensor 9 are both located inside the flame arrester 1.

[0020] When in use, the stepper motor 2 micro-steps to adjust the valve stem of the flame arrester 1 to adjust the on / off state of the flame arrester 1. The plug 8 is threadedly connected to the outlet of the flame arrester 1. A high-precision pressure sensor 9 and a flow sensor 10 are installed inside. The high-precision pressure sensor 9 and the flow sensor 10 can sense the pressure and airflow of the combustible gas and transmit accurate data.

[0021] Furthermore, a solenoid valve 4 is installed at the inlet of the flame arrester 1, and the solenoid valve 4 can control the input state of the external combustible gas.

[0022] Among them, a microcontroller 3 is installed on the outside of the stepper motor 2, the microcontroller 3 is signal-connected with the flow sensor 10 and the high-precision pressure sensor 9, the microcontroller 3 is electrically connected with the stepper motor 2, the microcontroller 3 can receive detection signals from the flow sensor 10 and the high-precision pressure sensor 9, and can automatically control the operating state of the stepper motor 2.

[0023] Furthermore, a mounting plate 5 is fixedly connected to the bottom of the stepper motor 2 , and bolts 6 are provided on the mounting plate 5 . The stepper motor 2 can be attached to a designated test area through the mounting plate 5 , and the mounting plate 5 can be fixed by the bolts 6 .

[0024] Specifically, a valve top cover 7 is fixedly connected to the top of the flame arrester 1, and the valve top cover 7 is used to cover and protect the valve stem.

[0025] like Figure 1 As shown, the microcontroller 3 is connected to a touch screen 11 via a wire. The touch screen 11 can facilitate data display and operation control, and the data measured by the flow sensor 10 and the high-precision pressure sensor 9 can be displayed intuitively.

[0026] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when in use, the stepper motor 2 micro-steps to adjust the valve stem of the flame arrester 1, adjusts the switching state of the flame arrester 1, the plug 8 is threadedly connected to the outlet of the flame arrester 1, and a high-precision pressure sensor 9 and a flow sensor 10 are installed inside. The high-precision pressure sensor 9 and the flow sensor 10 can sense the pressure and airflow of the combustible gas and transmit accurate data, detect the pressure and flow changes inside the flame arrester 1 in real time, and automatically detect whether the working state of the flame arrester 1 is normal by comparing with the preset value. It has a simple structure, high pressure and airflow control accuracy, and can be used in the flame arrester 1 in batches.

[0027] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flame arrester fire stopping automatic detection device, comprising a flame arrester (1), characterized in that: A stepper motor (2), wherein the rotating shaft of the stepper motor (2) is connected to the valve stem of the flame arrester (1) via a coupling; A plug (8), the plug (8) being threadedly connected to the outlet of the flame arrester (1); A high-precision pressure sensor (9), wherein the high-precision pressure sensor (9) is installed inside the plug (8); A flow sensor (10), the flow sensor (10) being installed inside the plug (8); The detection ends of the flow sensor (10) and the high-precision pressure sensor (9) are both located inside the flame arrester (1).

2. The flame arrester automatic detection device according to claim 1, characterized in that: A microcontroller (3) is installed outside the stepper motor (2). The microcontroller (3) is signal-connected to the flow sensor (10) and the high-precision pressure sensor (9). The microcontroller (3) is electrically connected to the stepper motor (2).

3. The flame arrester automatic detection device according to claim 1, characterized in that: The inlet of the flame arrester (1) is equipped with a solenoid valve (4).

4. The flame arrester automatic detection device according to claim 1, characterized in that: A valve top cover (7) is fixedly connected to the top of the flame arrester (1).

5. The flame arrester automatic detection device according to claim 1, characterized in that: A mounting plate (5) is fixedly connected to the bottom of the stepping motor (2), and bolts (6) are provided on the mounting plate (5).

6. The flame arrester automatic detection device according to claim 1, characterized in that: The microcontroller (3) is connected to a touch screen (11) via a wire.

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