CN214369426U

CN214369426U - Carbon monoxide detects explosion-proof flashlight

Info

Publication number: CN214369426U
Application number: CN202120625578.1U
Authority: CN
Inventors: 叶汉豪
Original assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Current assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-10-08
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses an explosion-proof flashlight for detecting carbon monoxide, which comprises a shell, an illuminating module and a power supply, wherein a sealed cavity is arranged in the shell; a PCB is arranged in the sealed cavity and connected with the control switch, and the PCB is used for a carrier of the electronic component; the PCB is provided with a carbon monoxide detection circuit for detecting the concentration of carbon monoxide in the environment; and the PCB is provided with a sound-light alarm device for reminding the excessive concentration of the carbon monoxide. The use scene of an explosion-proof flashlight is considered, the JXM-CO carbon monoxide sensor module is integrated into the flashlight, the diversity of the functions of the flashlight is improved, corresponding devices do not need to be carried respectively, the integration of multiple functions is completed through a circuit, the comprehensive volume of a product is effectively reduced, and the space of a backpack is saved.

Description

Carbon monoxide detects explosion-proof flashlight

Technical Field

The utility model belongs to explosion-proof flashlight field relates to a carbon monoxide detects explosion-proof flashlight.

Background

Carbon monoxide is a gas harmful to human body, and is easily combined with hemoglobin to form carboxyhemoglobin, so that the hemoglobin loses the oxygen carrying capacity and function, and the tissue is suffocated, and people die in serious cases. When activities such as special places such as outdoor caves, gas plants, gas stations or fire-fighting environments and the like are carried out, detection of a closed environment is often considered and an alarm is given out so as to prevent people entering the closed environment from being injured.

The existing explosion-proof flashlight only has the function of illumination, has single function and cannot meet the use requirement of a complex scene.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a collect illumination and carbon monoxide detect explosion-proof flashlight of carbon monoxide detection as an organic whole.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an explosion-proof flashlight for detecting carbon monoxide comprises a shell, an illumination module and a power supply, wherein a sealed cavity is arranged in the shell;

a PCB is arranged in the sealed cavity and connected with the control switch, and the PCB is used for a carrier of the electronic component;

the PCB is provided with a carbon monoxide detection circuit for detecting the concentration of carbon monoxide in the environment;

and the PCB is provided with a sound-light alarm device for reminding the excessive concentration of the carbon monoxide.

Furthermore, the sound and light alarm device comprises a buzzer and/or a warning lamp.

Further, the carbon monoxide detection circuit includes: the device comprises a singlechip, an JXM-CO carbon monoxide sensor module, a buzzer, a triode and a key;

the JXM-CO carbon monoxide sensor module is connected with the single chip microcomputer, the single chip microcomputer is connected with the buzzer through the triode, the key is used for controlling the JXM-CO carbon monoxide sensor module, and the single chip microcomputer is used for reading the concentration value of the JXM-CO carbon monoxide sensor module and controlling the buzzer to sound.

Furthermore, the casing is provided with a through hole for air circulation, the through hole corresponds to the JXM-CO carbon monoxide sensor module in position, and a soft plug is detachably arranged in the through hole.

Furthermore, an air duct is arranged between the through hole and the JXM-CO carbon monoxide sensor module, and a micro fan used for promoting air flow is arranged in the air duct.

Furthermore, the shell is embedded with a display device which is connected with the single chip microcomputer and used for displaying the concentration of carbon monoxide and the electric quantity of the power supply.

Further, the shell is made of metal, and flame-retardant paint is arranged on the surface of the shell.

Further, the button can be replaced by a knob switch.

By applying the technical scheme of the utility model, the use scene of the explosion-proof flashlight is considered, the function of carbon monoxide detection is integrated into the flashlight, the diversity of the flashlight function is improved, corresponding equipment is not required to be carried respectively, the integration of multiple functions is completed through a circuit, the comprehensive volume of the product is effectively reduced, and the backpack space is saved; the shell of metal can effectively avoid piling up of static, and fire-retardant spraying paint can effectively prevent the spark that the collision produced, when carbon monoxide concentration was too high, has improved the security of product, combines bee calling organ or warning light, and diversified warns the user, and the human damage of minimize user.

Drawings

Fig. 1 is a connection block diagram of the carbon monoxide detection explosion-proof flashlight of the utility model;

fig. 2 is a circuit diagram of the utility model relates to a carbon monoxide detects explosion-proof flashlight.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the explosion-proof flashlight for detecting carbon monoxide comprises a shell, an illumination module and a power supply, wherein a sealed cavity is arranged in the shell;

The power supply supplies power to the PCB, the carbon monoxide concentration in the ambient air is detected through the carbon monoxide detection circuit on the PCB, when the carbon monoxide concentration in the environment is too high, a user is reminded of transferring places in time through the acousto-optic radius device, the suction of nitric oxide of the user is reduced as much as possible, and the damage to the body is reduced; the integrated design does not need to separately carry equipment, and the operation is simple and the use is convenient.

In this embodiment, the sound and light alarm device includes a buzzer and/or a warning light. The buzzer and/or the warning lamp can give an alarm to the user in all directions, so that the danger that the concentration of carbon monoxide in the environment exceeds the standard is urgently built, and the user is prompted to move to a safe position as soon as possible.

As shown in fig. 2, in this embodiment, the carbon monoxide detecting circuit includes: the device comprises a singlechip, an JXM-CO carbon monoxide sensor module, a buzzer, a triode and a key;

JXM-CO carbon monoxide sensor module J1 with 2 pins connected to the positive electrode of the power supply, JXM-CO carbon monoxide sensor module J1 with 3 pins grounded, JXM-CO carbon monoxide sensor module J1 with 4 pins connected to 13 pins of single chip microcomputer PIC16F1823, JXM-CO carbon monoxide sensor module J1 with 5 pins connected to 12 pins of single chip microcomputer PIC16F1823, buzzer BUZ1 with positive electrode connected to the positive electrode of the power supply, buzzer BUZ1 with negative electrode connected to the collector of transistor Q1, transistor Q1 with base connected to one end of resistor R3, resistor R3 with the other end connected to 3 pins of single chip microcomputer PIC16F1823, transistor Q1 with emitter grounded, resistor R2 with one end connected to the positive electrode of the power supply, resistor R2 with the other end of the BUTTON BUTTON with one end of the pin PIC16F1823 and the pin 9 of the PIC16F1823, BUTTON BUTTON with the other end grounded, single chip microcomputer PIC16F 3 with pin D1 with the negative electrode of LED 18242 and resistor PIC 1.

In this embodiment, the casing is provided with a through hole for air circulation, the through hole corresponds to the JXM-CO carbon monoxide sensor module in position, and a soft plug is detachably arranged in the through hole. The ambient air is sampled in a diffusion mode, so that air flow is met, and sealing performance is considered.

In another embodiment, an air duct is arranged between the through hole and the JXM-CO sensor module, and a micro fan for promoting air flow is arranged in the air duct. In order to improve the measurement sensitivity of the JXM-CO carbon monoxide sensor module, the exchange of air in the sealed cavity and ambient air is accelerated in a pump suction mode, so that the JXM-CO carbon monoxide sensor module is more sensitive to the unchanged concentration of carbon monoxide in the air.

In this embodiment, the shell is embedded with a display device and is connected with the singlechip for displaying the concentration of carbon monoxide and the electric quantity of the power supply. The carbon monoxide concentration in the environment can be conveniently and visually known by a user, and the carbon monoxide concentration can be displayed on the display device no matter whether the test result exceeds the standard or not, so that the user can conveniently and visually know the variation trend of the carbon monoxide concentration in the environment; meanwhile, the detection and feedback of the electric quantity can be clearly provided, so that the product is more humanized.

In this embodiment, the shell is made of metal, and the surface of the shell is provided with flame-retardant paint. The metal shell can effectively avoid the accumulation of static electricity, and the fire-retardant spark that sprays paint can effectively prevent the collision and produce when carbon monoxide concentration is too high, has improved the security of product.

The working principle is as follows: the flashlight enters a carbon monoxide detection mode by pressing the key for two seconds, then the singlechip reads the carbon monoxide concentration value of the JXM-CO carbon monoxide sensor module through serial port communication, and when the read concentration value exceeds a safety value, the singlechip controls 3 pins to output high level to conduct the triode, so that the buzzer is triggered to sound, and an alarm is given.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An explosion-proof flashlight for detecting carbon monoxide comprises a shell, an illumination module and a power supply, and is characterized in that a sealed cavity is arranged in the shell;

2. The carbon monoxide detection explosion-proof flashlight of claim 1, wherein the audible and visual alarm device comprises a buzzer and/or a warning light.

3. The carbon monoxide detection explosion-proof flashlight of claim 2, wherein the carbon monoxide detection circuit comprises: the device comprises a singlechip, an JXM-CO carbon monoxide sensor module, a buzzer, a triode and a key;

4. The carbon monoxide detection explosion-proof flashlight of claim 3, wherein the housing is provided with a through hole for air circulation, the through hole corresponds to the JXM-CO carbon monoxide sensor module in position, and a soft plug is detachably arranged in the through hole.

5. The carbon monoxide detection explosion-proof flashlight of claim 4, wherein an air channel is arranged between the through hole and the JXM-CO carbon monoxide sensor module, and a micro fan for promoting air flow is arranged in the air channel.

6. The carbon monoxide detection explosion-proof flashlight of claim 2, wherein the housing is embedded with a display device connected with the single chip microcomputer for displaying the concentration of carbon monoxide and the electric quantity of the power supply.

7. The carbon monoxide detection explosion-proof flashlight of claim 1, wherein the housing is made of metal, and flame-retardant paint is arranged on the surface of the housing.

8. The carbon monoxide detection explosion-proof flashlight of claim 3, wherein the button can be replaced by a knob switch.