Fire arrestor fire stopping automatic detection device

Abstract

The utility model 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 and gas flow 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] This utility model relates to the field of combustible gas detection technology, specifically to an automatic detection device for flame arrester extinguishing. Background Technology

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

[0003] However, traditional flame arrester adjustment often relies on mechanical methods or simple switch control. This method is difficult to achieve precise adjustment, especially when fine adjustments are required, which can easily lead to errors, thus affecting the accuracy of airflow control and reducing the overall efficiency and reliability of the equipment. Utility Model Content

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] Therefore, one objective of this utility model is to provide an automatic detection device for flame arrester flame extinguishing. This device uses high-precision pressure and flow sensors to detect the internal pressure and flow of the flame arrester in real time, and utilizes the micro-step adjustment of a stepper motor to improve the precision control of the flame arrester.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic detection device for flame arrester, 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 via a coupling. The plug is threaded 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. The detection ends of both the flow sensor and the high-precision pressure sensor are located inside the flame arrester.

[0007] Preferably, a microcontroller is externally mounted on 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, the inlet of the flame arrester is equipped with a solenoid valve.

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

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

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

[0012] Compared with the prior art, the advantages of this utility model are: this utility model controls the switch state by adjusting the valve stem of the flame arrester in microsteps using a stepper motor, and a high-precision pressure and flow sensor is installed at the plug, which can detect the internal pressure and flow of the flame arrester in real time and automatically detect the working state of the flame arrester. It has a simple structure, high control precision of the stepper motor, and is suitable for mass application. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the automatic detection device for flame arrester fire suppression according to an embodiment of the present utility model;

[0014] Figure 2 This is an embodiment of the present utility model. Figure 1 A magnified structural diagram of part A in the middle;

[0015] Figure 3 This is a schematic diagram of the plug structure in the automatic flame arrester detection device according to an embodiment of this utility model.

[0016] In the diagram: 1. Flame arrester; 2. Stepper motor; 3. Microcontroller; 4. Solenoid valve; 5. Mounting plate; 6. Bolt; 7. Valve top cover; 8. Plug; 9. High-precision pressure sensor; 10. Flow sensor; 11. Touch screen. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-3 An embodiment of this utility model provides an automatic detection device for flame arrester fire suppression, comprising: flame arrester 1, plug 8, high-precision pressure sensor 9, and flow sensor 10.

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

[0020] In use, the stepper motor 2 microsteps to adjust the valve stem of the flame arrester 1, thereby adjusting the on / off 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 gas pressure and flow of combustible gas and transmit accurate data.

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

[0022] The stepper motor 2 is externally equipped with a microcontroller 3. The microcontroller 3 is connected to the flow sensor 10 and the high-precision pressure sensor 9. The microcontroller 3 is electrically connected to the stepper motor 2. The microcontroller 3 can receive the detection signals from the flow sensor 10 and the high-precision pressure sensor 9, and can automatically control the operating status of the stepper motor 2.

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

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

[0025] like Figure 1 As shown, the microcontroller 3 is connected to the touch screen 11 via wires. The touch screen 11 facilitates 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] Based on the above technical solution, the working steps of this solution are summarized as follows: During use, the stepper motor 2 micro-steps adjusts 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 flow sensor 10 can sense the gas pressure and flow of combustible gas and transmit accurate data, and detect the changes in internal pressure and flow of the flame arrester 1 in real time. By comparing with the preset value, the working status of the flame arrester 1 is automatically detected. Its structure is simple, the gas pressure and flow control accuracy is high, and it can be applied in batches in the flame arrester 1.

[0027] All parts not described in this utility model are the same as or can be implemented using existing technology. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic detection device for flame arrester fire suppression, comprising a flame arrester (1), characterized in that: Stepper motor (2), the rotating shaft of which is connected to the valve stem of the flame arrester (1) via a coupling; A plug (8) is threaded to the outlet of the flame arrester (1); A high-precision pressure sensor (9) is installed inside the plug (8); A 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).

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

3. The automatic detection device for flame arrester fire suppression according to claim 1, characterized in that: A solenoid valve (4) is installed at the inlet of the flame arrester (1).

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

5. The automatic detection device for flame arrester fire suppression according to claim 1, characterized in that: The bottom of the stepper motor (2) is fixedly connected to a mounting plate (5), and the mounting plate (5) is provided with bolts (6).

6. The automatic detection device for flame arrester fire suppression according to claim 2, characterized in that: The microcontroller (3) is connected to a touch screen (11) via a wire.

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