CN218957238U

CN218957238U - Gas alarm

Info

Publication number: CN218957238U
Application number: CN202221975226.XU
Authority: CN
Inventors: 范小军; 杨利刚; 刘佳奇; 张�林; 郝子慧
Original assignee: Hebei Zhongfubao Electric Co ltd
Current assignee: Foshan Yipinhui Electric Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-05-02
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a gas alarm, which comprises an alarm shell, a main control chip for analyzing and processing data, a gas sensor for detecting the content of specified gas in the environment, an alarm component for implementing alarm and a control module connected with an danger elimination component, wherein the alarm shell is provided with a gas sensor for detecting the content of specified gas in the environment; the gas sensor, the alarm assembly and the control module are respectively and electrically connected with the main control chip; the main control chip obtains electric energy from a built-in power supply module or an external power grid; the gas sensor, the alarm assembly, the control module, the main control chip and the power supply module are arranged on the alarm shell. The alarm can effectively detect harmful gases in the environment, actively alarm and remove risks, and effectively ensure the gas utilization safety.

Description

Gas alarm

Technical Field

The utility model relates to a gas device, in particular to a gas alarm.

Background

Gas is a common gas resource, but serious consequences such as explosion, CO poisoning and the like can occur if the gas is improperly used; in order to improve the gas safety, gas detection alarm devices are arranged on partial gas products taking gas as fuel in the market, and the gas detection alarm devices can realize early alarm by detecting the concentration of harmful gas in the air so as to ensure the safety of users; however, the existing gas detection alarm device is generally arranged according to the specific setting of gas products, namely, different gas products need to be matched with the matched gas detection alarm device, so that the development cost is high and the development difficulty is high; the existing gas detection alarm device can only realize an alarm function, and when a user ignores an alarm signal, dangers still exist.

Therefore, further improvements are needed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a gas alarm which can effectively detect harmful gases in the environment, actively alarm and remove risks and effectively ensure the gas use safety.

The purpose of the utility model is realized in the following way:

a gas alarm comprises an alarm shell, a main control chip for analyzing and processing data, a gas sensor for detecting the content of specified gas in the environment, an alarm component for implementing alarm and a control module connected with an evacuation component; the gas sensor, the alarm assembly and the control module are respectively and electrically connected with the main control chip; the main control chip obtains electric energy from a built-in power supply module or an external power grid; the gas sensor, the alarm assembly, the control module, the main control chip and the power supply module are arranged on the alarm shell.

As a specific scheme, the main control chip is provided with a self-checking module for checking whether each electric element on the gas alarm is normal or not and a self-checking control key for triggering the self-checking module to execute a self-checking task; the self-checking control key is at least partially exposed out of the alarm shell.

As a further specific scheme, the main control chip is provided with a memory module for recording detection conditions and parameters of the specified gas.

As a further specific scheme, the gas alarm further comprises a data output interface for data transmission, and the data output interface is electrically connected with the main control chip; and the external reading device acquires related data from the memory module through the data output interface.

As a further specific scheme, the alarm assembly comprises an indicator lamp and/or a buzzer, and the indicator lamp and/or the buzzer is electrically connected with the main control chip.

As a further specific scheme, the main control chip is provided with a time accumulation module for calculating the accumulated energizing time T of the gas sensor; when the accumulated power-on time T of the gas sensor reaches a set value, the main control chip sends out a corresponding alarm signal.

The beneficial effects of the utility model are as follows:

the gas alarm adopts modularized arrangement, can be suitable for most of gas products in the market, has strong universality and practicability, and effectively reduces development cost and difficulty; in addition, through setting up control module and connecting the component of arranging danger, when harmful gas concentration is too high in the environment, except implementing the warning, this gas alarm still accessible control module control arranges danger subassembly to realize initiative warning and arrange danger, promote the safety in utilization of gas product greatly. Specifically, the gas alarm can detect that the concentration of harmful gases (such as methane and the like) in the environment reaches an alarm set value, then send out alarm signals and control output, and simultaneously has the functions of self-detection, fault diagnosis, life detection and the like.

Drawings

FIG. 1 is an assembled view of a gas alarm according to an embodiment of the present utility model.

FIG. 2 is an exploded view of a gas alarm in accordance with an embodiment of the present utility model.

Fig. 3 is a schematic circuit diagram of a warning master control board according to an embodiment of the utility model.

Fig. 4 is a working schematic diagram of a warning master control board according to an embodiment of the utility model.

Fig. 5 is a circuit diagram of a main control chip according to an embodiment of the utility model.

FIG. 6 is a circuit diagram of a gas sensor according to an embodiment of the utility model.

Fig. 7 is a circuit diagram of an indicator lamp in an embodiment of the utility model.

Fig. 8 is a circuit diagram of a buzzer in an embodiment of the present utility model.

Fig. 9 is a circuit diagram of a control module according to an embodiment of the utility model.

Fig. 10 is a circuit diagram of a self-checking module according to an embodiment of the utility model.

FIG. 11 is a circuit diagram of a first data output interface according to an embodiment of the utility model.

Fig. 12 is a circuit diagram of a second data output interface according to an embodiment of the utility model.

Fig. 13 is a circuit diagram of a power supply module according to an embodiment of the utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-4, the present gas alarm 1 comprises an alarm housing, a main control chip 1031 for analyzing and processing data, a gas sensor 1032 for detecting methane content in the environment, an alarm component 1033 for implementing an alarm, and a control module 1034 connected with an evacuation component; the gas sensor 1032, the alarm component 1033 and the control module 1034 are respectively and electrically connected with the main control chip 1031; the main control chip 1031 obtains electric energy from the built-in power supply module 1035 or an external power grid, wherein the electric energy is preferably obtained from the external power grid, and when the external power grid stops supplying power, the main control chip 1031 obtains the electric energy from the built-in power supply module 1035, so that the gas alarm 1 is ensured to be in a working state at all times; the gas sensor 1032, the alarm component 1033, the control module 1034, the main control chip 1031 and the power supply module 1035 are arranged in the inner cavity of the alarm shell, specifically, the gas sensor 1032, the alarm component 1033, the control module 1034, the main control chip 1031 and the power supply module 1035 are respectively integrated on the main control circuit board 103, and the main control circuit board 103 is arranged in the inner cavity of the alarm shell; the gas alarm 1 works normally after being powered on. The gas alarm 1 adopts modularized arrangement, can be suitable for most of gas products in the market, has strong universality and practicability, and effectively reduces development cost and difficulty; in addition, through setting up control module and connecting the component of arranging danger, when harmful gas concentration is too high in the environment, except implementing the warning, this gas alarm 1 still accessible control module control arranges danger the component to realize initiative warning and arrange danger, promote the safety in utilization of gas product greatly.

Further, a self-checking module 10311 for checking whether each electrical element on the gas alarm 1 is normal or not and a self-checking control key 104 for triggering the self-checking module 10311 to execute a self-checking task are arranged on the main control chip 1031; the self-checking control key 104 is at least partially exposed out of the alarm shell, the user can start the self-checking module 10311 by triggering the exposed part of the self-checking control key 104, and in the self-checking state, the main control chip 1031 can automatically check whether each electric element on the gas alarm 1 is normal or not, and when the fault is checked, the alarm is given out. Specifically, the self-checking control key 104 is pressed for a long time for one second in a state where calibration (calibration of a specified gas concentration value giving an alarm) is performed, a state where calibration is completed, a state where normal monitoring (monitoring of the specified gas concentration) is performed, etc., that is, a self-checking state is entered, and the original state is restored after the self-checking is completed.

Further, a memory module 10312 for recording the detection condition and parameters of the specified gas is provided on the main control chip 1031, the detection condition and parameters include the detection result of each period, the specific numerical value, time, processing method, etc. of the too high concentration, and the memory module 10312 stores information in an archiving manner.

Further, the gas alarm 1 further comprises a data output interface for data transmission, and the data output interface is electrically connected with the main control chip 1031; the external reading device obtains related data from the memory module through the data output interface. The data output interfaces in this embodiment include a first data output interface 1036 and a second data output interface 1037, and different data output interfaces can accommodate different reading devices.

Further, the alarm component 1033 includes an indicator light 10331 and a buzzer 10332 (according to actual needs, the indicator light 10331 and the buzzer 10332 may be alternatively arranged), and the indicator light 10331 and the buzzer 10332 are respectively electrically connected to the main control chip 1031.

Further, a time accumulation module 10313 for calculating accumulated energizing time T of the gas sensor 1032 is provided on the main control chip 1031; when the accumulated energization time T of the gas sensor 1032 reaches a set value, the main control chip 1031 issues a corresponding alarm signal. When the accumulated energization time T of the gas sensor 1032 in the gas alarm 1 reaches 5 years, the system determines that the lifetime of the gas alarm 1 reaches the limit state; the cumulative energization time T is 5 years×365 days×24h=43800 h, and the cumulative energization time T is counted as: the gas alarm 1 is accumulated 1 every hour, and when the service life of the gas sensor 1032 reaches the limit state, the gas alarm 1 does not enter the states of alarm, fault, monitoring and the like.

Furthermore, the power supply module 1035 adopts an integrated switching power supply design, an external power supply adapter is not needed, and the use is convenient; the gas alarm 1 is designed according to the limit small size of a single panel, so that the whole volume is small and exquisite; the power supply module 1035 adopts a large-capacity battery, so that the service life of the power supply module 1035 reaches more than three years, and the influence on the product use and the data recording function caused by inaccurate time when the power supply module 1035 feeds power due to long-term storage and finally reaches a use terminal is effectively avoided.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A gas alarm, comprising an alarm shell, a main control chip (1031) for analyzing and processing data, a gas sensor (1032) for detecting the content of specified gas in the environment, an alarm component (1033) for implementing alarm, and a control module (1034) connected with an danger elimination component; the gas sensor (1032), the alarm component (1033) and the control module (1034) are respectively and electrically connected with the main control chip (1031); the main control chip (1031) obtains electric energy from a built-in power supply module (1035) or an external power grid; the gas sensor (1032), the alarm component (1033), the control module (1034), the main control chip (1031) and the power supply module (1035) are arranged on the alarm shell;

the method is characterized in that: the main control chip (1031) is provided with a self-checking module (10311) for checking whether each electric element on the gas alarm is normal or not and a self-checking control key (104) for triggering the self-checking module (10311) to execute a self-checking task; the self-checking control key (104) is at least partially exposed to the alarm housing.

2. The gas alarm of claim 1, wherein: the main control chip (1031) is provided with a memory module (10312) for recording detection conditions and parameters of the specified gas.

3. The gas alarm of claim 2, wherein: the system also comprises a data output interface for data transmission, wherein the data output interface is electrically connected with the main control chip (1031); and the external reading device acquires related data from the memory module through the data output interface.

4. The gas alarm of claim 1, wherein: the alarm assembly (1033) comprises an indicator lamp (10331) and/or a buzzer (10332), and the indicator lamp (10331) and/or the buzzer (10332) are electrically connected with the main control chip (1031).

5. The gas alarm of claim 1, wherein: a time accumulation module (10313) for calculating accumulated energizing time T of the gas sensor (1032) is arranged on the main control chip (1031); when the accumulated energizing time T of the gas sensor (1032) reaches a set value, the main control chip (1031) sends out a corresponding alarm signal.