CN212228797U - Carbon monoxide detection device and safety helmet - Google Patents
Carbon monoxide detection device and safety helmet Download PDFInfo
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- CN212228797U CN212228797U CN202020397140.8U CN202020397140U CN212228797U CN 212228797 U CN212228797 U CN 212228797U CN 202020397140 U CN202020397140 U CN 202020397140U CN 212228797 U CN212228797 U CN 212228797U
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Abstract
The embodiment of the application discloses carbon monoxide detection device and safety helmet, the safety helmet comprises safety helmet body and carbon monoxide detection device, carbon monoxide detection device is the annular, installs the surface at the safety helmet body, the device includes power module, host system and sensor module, and power module and host system are located the both sides of safety helmet body respectively, and sensor module is located the rear side of safety helmet body. The sensor module comprises a carbon monoxide sensor, the carbon monoxide sensor is used for detecting the concentration of carbon monoxide in the environment in real time and sending the detection result to the main control module, and the main control module is used for monitoring whether the concentration of carbon monoxide in the environment exceeds a safety threshold value according to the detection result. When being applied to the steel industry with above-mentioned safety helmet, need not to reform transform the inner structure of safety helmet body, only need with carbon monoxide detection device install the surface can, can effectively ensure workman's personal safety.
Description
Technical Field
The application relates to the technical field of safety protection, in particular to a carbon monoxide detection device and a safety helmet.
Background
A large amount of carbon monoxide possibly exists in the production environment of the steel industry, and workers need to wear safety helmets and carry carbon monoxide alarms before entering a working area. At present, in order to avoid the problem of potential safety hazard caused by omission of a carbon monoxide alarm by workers, some safety helmets with a carbon monoxide detection function are available on the market, and the safety helmets are all integrated with a carbon monoxide sensor in a shell.
However, the working environment of the iron and steel industry is special, and there is a risk of molten metal splashing in the iron-making process, so that the hardness and the high temperature resistance requirements of the safety helmet are higher than those of a common safety helmet, during the manufacturing process, the safety helmet is manufactured by using a glass fiber reinforced plastic material as a raw material and strictly complying with the national standard, and the internal structure of the safety helmet cannot be freely modified. Therefore, the safety helmet used in the steel industry at present can only protect the head of a wearer, and the wearer still needs to carry a carbon monoxide alarm additionally, so that certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that a carbon monoxide sensor cannot be integrated in a safety helmet used in the steel industry, and therefore potential safety hazards exist, the application discloses a carbon monoxide detection device and the safety helmet through the following embodiments.
The application discloses a carbon monoxide detection device in a first aspect, wherein the device is annular and is arranged on the outer surface of a safety helmet body;
the device comprises a power supply module, a main control module and a sensor module, wherein the power supply module and the main control module are respectively positioned at two sides of the safety helmet body, and the sensor module is positioned at the rear side of the safety helmet body;
the sensor module comprises a carbon monoxide sensor, and the carbon monoxide sensor is used for detecting the concentration of carbon monoxide in the environment in real time and sending the detection result to the main control module;
and the main control module is used for monitoring whether the concentration of the carbon monoxide in the environment exceeds a safety threshold value according to the detection result.
Optionally, the main control module includes a microcontroller and an analog-to-digital conversion chip, and the analog-to-digital conversion chip is connected to the microcontroller and the carbon monoxide sensor respectively;
the analog-to-digital conversion chip is used for performing analog-to-digital conversion on the received detection result of the environmental carbon monoxide concentration and sending the carbon monoxide concentration value obtained by conversion to the microcontroller;
the microcontroller is configured to monitor whether the carbon monoxide concentration value exceeds a safety threshold.
Optionally, a voltage reduction chip is arranged in the main control module, and the voltage reduction chip is connected to the power supply module;
the voltage reduction chip is used for converting the voltage provided by the power supply module into a preset voltage.
Optionally, the power supply module is a rechargeable battery;
the main control module is provided with a charging interface, and the charging interface is electrically connected to the power supply module.
Optionally, the sensor module further includes a temperature and humidity sensor;
the temperature and humidity sensor is connected to the main control module and used for monitoring the temperature and the humidity in the environment.
Optionally, the main control module is further provided with a positioning unit and a one-key alarm unit, wherein the positioning unit is used for sending the position of the wearing person to the central control room in real time.
In a second aspect, the present application discloses a safety helmet, which comprises a safety helmet body and a carbon monoxide detection device as described in the first aspect of the present application, wherein the carbon monoxide detection device is installed on the outer surface of the safety helmet body.
The embodiment of the application discloses carbon monoxide detection device and safety helmet, the safety helmet comprises safety helmet body and carbon monoxide detection device, carbon monoxide detection device is the annular, installs the surface at the safety helmet body, the device includes power module, host system and sensor module, and power module and host system are located the both sides of safety helmet body respectively, and sensor module is located the rear side of safety helmet body. The sensor module comprises a carbon monoxide sensor, the carbon monoxide sensor is used for detecting the concentration of carbon monoxide in the environment in real time and sending the detection result to the main control module, and the main control module is used for monitoring whether the concentration of carbon monoxide in the environment exceeds a safety threshold value according to the detection result. When being applied to the steel industry with above-mentioned safety helmet, need not to reform transform the inner structure of safety helmet body, only need with carbon monoxide detection device install the surface can, can effectively ensure workman's personal safety.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a safety helmet provided in an embodiment of the present application;
FIG. 2 is a front view of a safety helmet according to an embodiment of the present disclosure;
fig. 3 is a top view of a carbon monoxide detection device according to an embodiment of the present disclosure;
fig. 4 is a schematic circuit diagram of a carbon monoxide detection device according to an embodiment of the present disclosure;
fig. 5 is a schematic circuit diagram of another carbon monoxide detection device according to an embodiment of the present disclosure.
In fig. 1-5:
the system comprises a power supply module 11, a main control module 12, a microcontroller 121, an analog-to-digital conversion chip 122, a voltage reduction chip 123, a charging interface 124, a positioning unit 125, a 1251-BC20 chip, a key alarm unit 126, a sensor module 13, a carbon monoxide sensor 131 and a temperature and humidity sensor 132.
Detailed Description
In order to solve the problem that a carbon monoxide sensor cannot be integrated in a safety helmet used in the steel industry, and therefore potential safety hazards exist, the application discloses a carbon monoxide detection device and the safety helmet through the following embodiments.
Referring to the schematic structural views shown in fig. 1-2, the first embodiment of the present application discloses a carbon monoxide detection device, which is annular and is mounted on the outer surface of a helmet body 2.
Referring to the block diagram shown in fig. 3 and the schematic circuit diagram shown in fig. 4, the apparatus includes a power supply module 11, a main control module 12, and a sensor module 13.
In this embodiment, the power supply module 11 and the main control module 12 are respectively located on two sides of the helmet body 2, and the sensor module 13 is located on the rear side of the helmet body 2.
In one implementation mode, the front side of the safety helmet body 2 is used for installing a camera, and a central control room at a background can monitor the field working condition in real time through the camera. In addition, an LED lamp for illumination can be installed on the front side of the safety helmet body 2, so that workers do not need to hold an illuminating device additionally, and the burden is reduced.
The sensor module 13 includes a carbon monoxide sensor 131, and the carbon monoxide sensor 131 is configured to detect a carbon monoxide concentration in an environment in real time and send a detection result to the main control module 12.
For example, the model of the carbon monoxide sensor is NAP-505, after the NAP-505 sensor contacts carbon monoxide in the air, the electrolyte in the sensor reacts with the carbon monoxide, and the detection result of the carbon monoxide concentration in the current environment can be obtained according to the change degree of the electrolyte electrode.
The main control module 12 is configured to monitor whether the concentration of carbon monoxide in the environment exceeds a safety threshold according to the detection result.
The embodiment of the application discloses carbon monoxide detection device and safety helmet, the safety helmet comprises safety helmet body and carbon monoxide detection device, carbon monoxide detection device is the annular, installs the surface at the safety helmet body, the device includes power module, host system and sensor module, and power module and host system are located the both sides of safety helmet body respectively, and sensor module is located the rear side of safety helmet body. The sensor module comprises a carbon monoxide sensor, the carbon monoxide sensor is used for detecting the concentration of carbon monoxide in the environment in real time and sending the detection result to the main control module, and the main control module is used for monitoring whether the concentration of carbon monoxide in the environment exceeds a safety threshold value according to the detection result. When being applied to the steel industry with above-mentioned safety helmet, need not to reform transform the inner structure of safety helmet body, only need with carbon monoxide detection device install the surface can, can effectively ensure workman's personal safety.
Further, referring to the schematic circuit diagram shown in fig. 5, the main control module 12 includes a microcontroller 121 and an analog-to-digital conversion chip 122, and the analog-to-digital conversion chip 122 is respectively connected to the microcontroller 121 and the carbon monoxide sensor 131.
The analog-to-digital conversion chip 122 is configured to perform analog-to-digital conversion on the received detection result of the environmental carbon monoxide concentration, and send the converted carbon monoxide concentration value to the microcontroller 121.
The microcontroller 121 is configured to monitor whether the carbon monoxide concentration value exceeds a safety threshold.
In the embodiment of the application, the model of the analog-to-digital conversion chip is AD8629, and the microcontroller adopts an STM32 main chip. When detecting the concentration of carbon monoxide in the environment, the working principle is as follows: after the carbon monoxide sensor contacts with carbon monoxide in the air, electrolyte and carbon monoxide in the sensor take place chemical reaction, and the change of electrode appears in the electrolyte, then transmits to the AD8629 chip through three pins on, and the AD8629 chip carries out signal processing, obtains the carbon monoxide concentration value to in this value input STM32 main chip, STM32 main chip judges whether this value exceeds preset safe threshold.
In an implementation mode, the main control module is further provided with a warning unit, when the concentration value of carbon monoxide in the environment exceeds a safety threshold, the STM32 main chip can also control the warning unit to send out warning sound to remind a wearer that the concentration of carbon monoxide in the current environment exceeds the standard, and safety risks exist. As an example, the warning unit may be a buzzer.
Further, a voltage reduction chip 123 is arranged in the main control module 12, and the voltage reduction chip 123 is connected to the power supply module 11.
The voltage dropping chip 123 is configured to convert the voltage provided by the power supply module 11 into a preset voltage.
In the embodiment of the application, a voltage reduction chip with the model number of RT8059GJ5 is adopted, the chip can provide 1A of output current and wider output voltage, and the output voltage range is 2.8V-5.5V. In one implementation, the RT8059GJ5 buck chip converts the 3.7V voltage output by the power supply module into a 3.3V voltage, which is provided to the main control module for use.
Further, the power supply module 11 is a rechargeable battery.
The main control module 12 is provided with a charging interface 124, the charging interface 124 is electrically connected to the power supply module 11, and the charging interface may be a Type-C interface, as an example.
Further, the sensor module 13 further includes a temperature and humidity sensor 132.
The temperature and humidity sensor 132 is connected to the main control module 12 for monitoring the temperature and humidity in the environment.
In this application embodiment, temperature and humidity sensor's model is DHT11, and wherein, the DQ pin links to each other with STM32 main chip, and STM32 main chip reads and controls temperature and humidity sensor through PB8 pin. The sensor has a detection range of-20 to 60 ℃ for temperature, a resolution of 0.1 ℃, a detection range of 5 to 95% RH for humidity, and a resolution of 1% RH.
Further, the main control module 12 is further provided with a positioning unit 125 for transmitting the position of the wearing person to the central control room in real time and a one-key alarm unit 126.
Wherein, positioning unit adopts GPS + big dipper positioning system, and through this system, the well control room can know safety helmet person's positional information in real time, ensures the safety in production. The positioning unit 125 realizes wireless communication with the outside through the BC20 chip 1251.
The one-key alarm unit is externally provided with an alarm button, when the wearing person senses that safety risks exist around, one-key alarm can be carried out through the button, the central control room is informed of potential safety hazards existing in the current environment, when the central control room receives the alarm, the position information of the alarm person can be rapidly acquired through the positioning unit, and other persons in the area are informed of rapid evacuation.
In addition, the carbon monoxide detection device disclosed in the embodiment of the application further includes an LCD (Liquid Crystal Display) module, and the LCD module is connected with the main control module and is used for displaying the carbon monoxide concentration value in the environment.
The second embodiment of the present application discloses a safety helmet, the safety helmet include safety helmet body 2 and the first embodiment of the present application carbon monoxide detection device, wherein, carbon monoxide detection device installs the surface of safety helmet body 2.
In practical application, the carbon monoxide detection device can be fixed on the outer surface of the helmet body in a bolt connection or gluing mode.
In the existing safety helmet with the carbon monoxide detection function, the sensor is arranged inside the safety helmet, and the space is very limited. The safety helmet disclosed in the embodiment of the application, carbon monoxide detection device installs the surface at the safety helmet body, and this makes sensor module have great arrangement space, has increased the area of sensor and air contact, effectively improves measurement accuracy.
The safety helmet disclosed in the embodiment of the application has the functions of carbon monoxide detection, temperature and humidity detection, real-time positioning, one-key alarm and the like, does not modify the internal structure of the safety helmet body, can be widely applied to the steel industry or other industries with strict requirements on the quality of the safety helmet, and effectively guarantees the personal safety of workers.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (7)
1. The carbon monoxide detection device is characterized in that the device is annular and is arranged on the outer surface of a safety helmet body (2);
the device comprises a power supply module (11), a main control module (12) and a sensor module (13), wherein the power supply module (11) and the main control module (12) are respectively positioned at two sides of the safety helmet body (2), and the sensor module (13) is positioned at the rear side of the safety helmet body (2);
the sensor module (13) comprises a carbon monoxide sensor (131), and the carbon monoxide sensor (131) is used for detecting the concentration of carbon monoxide in the environment in real time and sending the detection result to the main control module (12);
and the main control module (12) is used for monitoring whether the concentration of carbon monoxide in the environment exceeds a safety threshold value according to the detection result.
2. The device according to claim 1, characterized in that the master control module (12) comprises a microcontroller (121) and an analog-to-digital conversion chip (122), the analog-to-digital conversion chip (122) being connected to the microcontroller (121) and the carbon monoxide sensor (131), respectively;
the analog-to-digital conversion chip (122) is used for performing analog-to-digital conversion on the received detection result of the environmental carbon monoxide concentration and sending the carbon monoxide concentration value obtained by conversion to the microcontroller (121);
the microcontroller (121) is configured to monitor whether the carbon monoxide concentration value exceeds a safety threshold.
3. The device according to claim 1, wherein a voltage reduction chip (123) is arranged in the main control module (12), and the voltage reduction chip (123) is connected to the power supply module (11);
the voltage reduction chip (123) is used for converting the voltage provided by the power supply module (11) into a preset voltage.
4. The device according to claim 1 or 3, characterized in that said power supply module (11) is a rechargeable accumulator;
the main control module (12) is provided with a charging interface (124), and the charging interface (124) is electrically connected to the power supply module (11).
5. The device of claim 1, wherein the sensor module (13) further comprises a temperature and humidity sensor (132);
the temperature and humidity sensor (132) is connected to the main control module (12) and used for monitoring the temperature and the humidity in the environment.
6. The device according to claim 1, characterized in that the main control module (12) is further provided with a positioning unit (125) for transmitting the position of the wearing person to a central control room in real time and a one-key alarm unit (126).
7. A safety helmet, characterized in that the safety helmet comprises a safety helmet body (2) and a carbon monoxide detecting device according to any one of claims 1 to 6, wherein the carbon monoxide detecting device is mounted on the outer surface of the safety helmet body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397140.8U CN212228797U (en) | 2020-03-25 | 2020-03-25 | Carbon monoxide detection device and safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397140.8U CN212228797U (en) | 2020-03-25 | 2020-03-25 | Carbon monoxide detection device and safety helmet |
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| Publication Number | Publication Date |
|---|---|
| CN212228797U true CN212228797U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020397140.8U Active CN212228797U (en) | 2020-03-25 | 2020-03-25 | Carbon monoxide detection device and safety helmet |
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|---|---|
| CN (1) | CN212228797U (en) |
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