CN211478231U - Gas detection system and gas detector based on bluetooth location - Google Patents
Gas detection system and gas detector based on bluetooth location Download PDFInfo
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- CN211478231U CN211478231U CN201922364650.5U CN201922364650U CN211478231U CN 211478231 U CN211478231 U CN 211478231U CN 201922364650 U CN201922364650 U CN 201922364650U CN 211478231 U CN211478231 U CN 211478231U
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Abstract
The utility model provides a gaseous detecting system and gaseous detector based on bluetooth location, gaseous detecting system includes: a power supply module; the universal interface module is connected with the power supply module; the data acquisition module is connected with general interface module, and the data acquisition module includes: a plurality of sensor modules and converter modules; the micro-processing module is connected with the universal interface module and the power supply module; the Bluetooth positioning module is connected with the micro-processing module and the power supply module, is used for receiving the acquisition signals transmitted by the micro-processing module, determines the position of harmful gas leakage and generates corresponding position signals, and is also used for uploading the received acquisition signals and the generated position signals to the Internet of things platform so as to monitor and analyze the received acquisition signals and the generated position signals through the Internet of things platform. The utility model discloses a gas detection system can patrol and examine different trace harmful gas, confirms the position that harmful gas revealed to carry out real time monitoring, analysis and processing to harmful gas.
Description
Technical Field
The utility model relates to an air quality detects technical field, especially relates to a gaseous detecting system based on bluetooth location and has this gaseous detecting system's gaseous detector.
Background
In the modern industrial production process, many gases which are toxic and harmful to human bodies are generated, such as petroleum, chemical industry, pharmacy, metallurgy, papermaking and other industries. Toxic gases may be present in both the production feedstock, such as most organic chemicals (VOCs), and in byproducts of various parts of the production process, such as ammonia, carbon monoxide, hydrogen sulfide, and the like. They are the most dangerous factors that pose the greatest hazard to workers. Such hazards include not only immediate injuries such as physical discomfort, morbidity, mortality, and the like, but also long-term hazards to the human body such as disability, carcinogenesis, and the like. They are the most dangerous factors that pose the greatest hazard to workers. Such hazards include not only immediate injuries such as physical discomfort, morbidity, mortality, and the like, but also long-term hazards to the human body such as disability, carcinogenesis, and the like.
Therefore, it is important to develop a gas detection system for detecting harmful gas in real time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gaseous detecting system based on bluetooth location, this gaseous detecting system can carry out the portable inspection to the trace harmful gas in the airtight space to through the communication between bluetooth orientation module and the thing networking platform, confirm the position that harmful gas revealed, and carry out real time monitoring, analysis and processing to harmful gas.
Particularly, the utility model provides a gaseous detecting system based on bluetooth location, include:
a power supply module;
the universal interface module is connected with the power supply module;
the data acquisition module, with the general interface module is connected, the data acquisition module includes: the system comprises a plurality of sensor modules and a converter module, wherein the sensor modules are respectively used for collecting different harmful gases and generating corresponding collected signals; the converter module is connected with the plurality of sensor modules and is used for converting the collected signals collected by the plurality of sensor modules from analog quantity signals into digital quantity signals and outputting the digital quantity signals;
the micro-processing module is connected with the universal interface module and the power supply module, is connected with the data acquisition module through the universal interface module, and is used for finishing interactive control with the data acquisition module so as to extract, process and transmit the acquisition signals acquired by the data acquisition module;
the Bluetooth positioning module is connected with the micro-processing module and the power supply module and is used for receiving the acquisition signal transmitted by the micro-processing module, determining the position of harmful gas leakage and generating a corresponding position signal; the Bluetooth positioning module is also used for uploading the received acquisition signals and the generated position signals to an Internet of things platform so as to monitor and analyze the received acquisition signals and the generated position signals through the Internet of things platform.
Further, the gas detection system further comprises: the alarm module is connected with the micro-processing module and is configured to generate alarm information when the acquisition signal extracted by the micro-processing module exceeds a threshold value, and upload the alarm information to the Internet of things platform.
Furthermore, the power module comprises a plurality of power sub-modules, each power sub-module is provided with a DC/DC circuit, and each power sub-module is subjected to voltage transformation in an LDO (low dropout regulator) mode.
Further, the plurality of sensor modules are sensors respectively used for detecting hydrogen chloride, nitric oxide, carbon monoxide, sulfur dioxide, ozone and nitrogen dioxide.
Further, the sensor module further includes: the temperature and humidity sensor is used for detecting the temperature and the humidity of the environment and generating corresponding temperature signals and humidity signals.
Further, the converter module is an analog-to-digital converter.
Further, the micro-processing module comprises:
the microcontroller is connected with the data acquisition module through the universal interface module so as to complete interactive control with the data acquisition module;
a memory connected with the microcontroller to store data of a user;
and the display is connected with the microcontroller and the Bluetooth positioning module and used for displaying parameters.
Further, the display is an LCD display.
Further, the gas detection system further comprises: the clock module is connected with the micro-processing module and is an RTC clock.
The utility model also provides a gas detector, including above-mentioned embodiment the gaseous detecting system based on bluetooth location.
The utility model discloses a gaseous detecting system based on bluetooth location can carry out the portable inspection to different trace harmful gas in the airtight space to through the communication between bluetooth orientation module and the thing networking platform, confirm the position that harmful gas revealed, and carry out real time monitoring, analysis and processing to harmful gas.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a block diagram of a gas detection system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a positioning and tracking of a bluetooth positioning module of a gas detection system according to an embodiment of the present invention;
fig. 3 is a circuit layout diagram of a power module of a gas detection system according to an embodiment of the present invention;
fig. 4 is another circuit layout diagram of a power module of a gas detection system according to an embodiment of the present invention;
fig. 5 is yet another circuit layout diagram of a power module of a gas detection system according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a temperature and humidity sensor of a gas detection system according to an embodiment of the present invention;
fig. 7 is an acquisition circuit diagram of a data acquisition module of a gas detection system according to an embodiment of the present invention;
fig. 8 is another acquisition circuit diagram of a data acquisition module of a gas detection system according to an embodiment of the present invention;
fig. 9 is a block diagram of the internal structure of a converter module of a gas detection system according to an embodiment of the present invention;
fig. 10 is a circuit layout diagram of a display of a gas detection system according to an embodiment of the present invention;
fig. 11 is an interface circuit diagram of a clock module of a gas detection system according to an embodiment of the present invention;
fig. 12 is a control circuit diagram of the keys/buttons of the gas detection system according to an embodiment of the present invention;
fig. 13 is another control circuit diagram of keys/buttons of a gas detection system according to an embodiment of the present invention.
Reference numerals:
a gas detection system 100;
a power supply module 10;
a universal interface module 20;
a data acquisition module 30; a sensor module 31; a converter module 32;
a microprocessor module 40; a microcontroller 41; a memory 42; a display 43;
a Bluetooth positioning module 50;
an internet of things platform 60.
Detailed Description
Referring to fig. 1, the gas detection system 100 based on bluetooth positioning of the present invention mainly comprises a power module 10, a general interface module 20, a data acquisition module 30, a microprocessor module 40 and a bluetooth positioning module 50. The power module 10 may use a rechargeable lithium battery to provide 10V-12V power output. The universal interface module 20 is connected to the power supply module 10, and the universal interface module 20 has a plurality of standard universal interfaces, so that circuits of the modules can be highly integrated, and communication between the modules is facilitated. The data acquisition module 30 is connected with the universal interface module 20, the data acquisition module 30 includes a plurality of sensor modules 31 and a converter module 32, and the plurality of sensor modules 31 are respectively used for acquiring different harmful gases and generating corresponding acquisition signals. The converter module 32 is connected to the plurality of sensor modules 31, and the converter module 32 may convert the collected signals collected by the plurality of sensor modules 31 from analog signals to digital signals and output the digital signals. This data acquisition module 30 can carry out portable inspection to different trace harmful gas through a plurality of sensor module 31, realizes detecting different harmful gas's high accuracy, reduces the injury of harmful gas to personnel.
The connection referred to in the present application is not limited to physical or mechanical connection, but may include electrical connection, signal connection, and the like, whether direct or indirect.
The micro-processing module 40 is connected with the universal interface module 20 and the power module 10, the micro-processing module 40 is connected with the data acquisition module 30 through the universal interface module 20, and the micro-processing module 40 is used for finishing interactive control with the data acquisition module 30 so as to extract, process and transmit the acquired signals acquired by the data acquisition module 30. Bluetooth positioning module 50 is connected with micro-processing module 40 and power module 10, and Bluetooth positioning module 50 can be used for receiving the acquisition signal of micro-processing module 40 transmission, confirms the position that harmful gas revealed and generates corresponding position signal. The bluetooth positioning module 50 may also upload the received collected signals and the generated position signals to the internet of things platform 60 to perform monitoring and analysis processing through the internet of things platform 60.
Specifically, the bluetooth positioning module 50 may employ decentralized multi-path bluetooth Mesh (wireless Mesh network) communication connection technology and precise indoor positioning technology. The internet of things platform 60 is composed of a positioning explosion-proof terminal, an explosion-proof gateway and a cloud platform. The utility model discloses a gaseous detecting system 100 based on bluetooth location through adopting this multipath transmission bluetooth Mesh communication connection technique and the accurate indoor location technique of going centralization, combines to fix a position explosion-proof terminal, explosion-proof gateway and cloud platform and can form the thing networking system framework that is used for detecting harmful gas. According to the real-time communication between the explosion-proof gateway and the cloud platform, the detection data, the positioning information and the like of the gas detection system 100 are uploaded to the internet of things platform 60 for real-time monitoring and analysis. The real-time communication between the gas detection System 100 and the internet of things platform 60 provides the Information query of the detected gas of the inspection personnel, meanwhile, the gas Information of different inspection areas can be displayed in real time based on various modes such as a GIS (Geographic Information System), when harmful gas (such as hydrogen chloride, carbon monoxide, carbon dioxide, sulfur dioxide, ozone, nitrogen dioxide and the like) is detected, the position of the leakage of the harmful gas can be accurately determined through the Bluetooth positioning module 50, and the field emergency treatment is convenient to implement. Referring to fig. 2, the bluetooth indoor tracking and positioning principle of the bluetooth positioning module 50 detects the signal intensity of the gas detector with the gas detection system 100 carried by the inspection personnel according to the installed positioning base station, converts the signal intensity into the distance from the gas detector to the positioning base station, and confirms the position of the inspection personnel carrying the gas detector according to the geometric relationship between the gas detector and the positioning base station. Of course, the specific structure and the basic operation principle of the bluetooth positioning module 50 are understood and can be implemented by those skilled in the art, and are not described in detail in this application.
Therefore, the utility model discloses a gaseous detecting system 100 based on bluetooth location can carry out the portable inspection to different trace harmful gas in the airtight space to through the communication between bluetooth orientation module 50 and the thing networking platform 60, confirm the position that harmful gas revealed, and carry out real time monitoring, analysis and processing to harmful gas.
According to an embodiment of the present invention, the gas detection system 100 further comprises: and the alarm module is connected with the micro-processing module 40, and is configured to generate alarm information when the acquired signal extracted by the micro-processing module 40 exceeds a threshold value, and upload the alarm information to the internet of things platform 60. Specifically, the alarm module may adopt a buzzer or an audible and visual alarm, when the gas detection system 100 detects that the concentration of the harmful gas exceeds a certain threshold, the alarm module may be activated, the alarm module generates corresponding alarm information and uploads the alarm information to the internet of things platform 60, and after receiving the alarm information, a manager may determine the position of the harmful gas leakage through video monitoring and a personnel positioning function, check a scene picture, and implement scene emergency treatment.
The utility model discloses an among some embodiments, power module 10 includes a plurality of power submodule pieces, and every power submodule piece has the DC/DC circuit respectively, and every power submodule piece adopts the LDO mode to carry out the vary voltage transform respectively. Specifically, referring to fig. 3-5, the power module 10 may employ a rechargeable lithium battery to provide a power output of 10-12V. The power supply for providing power to the data acquisition module 30 is transformed into several sets of frequently used power supply sub-modules, such as 5V, 3.3V, 1.8V, etc., after several sets of transformation. Wherein, a power switch can be added to the conversion part of the lithium battery outputting 5V to control the on and off of the power supply, and realize automatic on-off and the like. The 5V power supply part can adopt a DC/DC circuit (a direct current to direct current conversion circuit), has high conversion efficiency and is beneficial to saving the electric quantity of a battery. The 3.3V voltage is converted from a 5V power supply by adopting an LDO (low dropout regulator) mode, and is mainly used for reducing the voltage-stabilizing range and reducing the power consumption. Power supply sub-modules (such as power supply systems of LCD displays) of 1.8V, etc. can also use LDO method, i.e. convert from 5V.
According to an embodiment of the present invention, the plurality of sensor modules 31 are sensors for detecting hydrogen chloride, nitric oxide, carbon monoxide, sulfur dioxide, ozone, and nitrogen dioxide, respectively. The sensor module further includes: the temperature and humidity sensor is used for detecting the temperature and the humidity of the environment and generating corresponding temperature signals and humidity signals. Specifically, the plurality of sensor modules 31 may respectively employ sensors for detecting hydrogen chloride, nitric oxide, carbon monoxide, sulfur dioxide, ozone, and nitrogen dioxide, and temperature and humidity sensors for detecting ambient temperature and humidity. The utility model discloses a detection mode of the preferred electrochemistry detection principle of sensor module 31 among the gas detection system 100 realizes the detection to harmful gas. The electrochemical sensor has high measurement precision, and has high sensitivity and accuracy particularly for detecting low concentration of toxic and harmful gases. The sensor consumes less electric energy, is suitable for battery-powered use occasions, and is suitable for parameter detection of allowable exposure limit. Meanwhile, the electrochemical sensor has high selectivity to target gas and moderate service life, and can reach the service life of 1-3 years. Specifically, the sensor for detecting hydrogen chloride is preferably HCL-B1 type sensor, and the sensor for detecting nitric oxide is NO-B4 type sensorThe sensor for detecting carbon monoxide can be a CO-B4 type sensor, and the sensor for detecting sulfur dioxide can be an SO2A sensor of type-B4, the sensor for detecting ozone being a sensor of type OX-B431, and the sensor for detecting nitrogen dioxide being a sensor of type NO2A sensor of type B1, the temperature and humidity sensor may be a sensor of type SHT30, and the circuit design of the temperature and humidity sensor is shown in fig. 6.
In some embodiments of the present invention, the converter module 32 may adopt an analog-to-digital converter, and the internal structure block diagram of the analog-to-digital converter is shown in fig. 9. The electrochemical sensor outputs an analog current signal, which is weak at nA level, so that additional circuits such as signal acquisition, conditioning, amplification and the like are required, and an acquisition circuit of the data acquisition module 30 is shown in fig. 7 and 8. Firstly, signals from the sensor are collected through a current-to-voltage conversion circuit, and then voltage signals are amplified to obtain signals which can be normally measured by the ADC. The signal amplifying part can adopt multi-stage high-precision operational amplification. The utility model discloses a gaseous detecting system 100 can make a module to signal conditioning circuit, at last the reentegration to a big bed plate on, change easily like this, the maintenance circuit reduces the cost and the integrated circuit board variety of making.
The electrochemical sensor module 31 outputs an analog signal, which cannot be directly recognized by the micro-processing module 40 (processor CPU), so that an ADC (analog-to-digital converter) for converting an analog signal into a digital signal is required. Because of the higher resolution required, a high performance analog-to-digital converter (ADC) of the 8-channel, 24-bit delta-sigma type with low power consumption may be preferred, and the specific type of ADC may be ADS 1256. The analog-to-digital converter can provide up to 23-bit noiseless precision, data rate up to 30kSPS (sub-sampling/second), 0.0010% nonlinear characteristic (maximum value) and a plurality of on-chip peripherals (input analog multi-path switches, input buffers, programmable gain amplifiers, programmable digital filters and the like), and can bring a complete and high-resolution measurement solution to designers.
The analog-to-digital converter can use a first-stage rail-to-rail series operational amplifier as a voltage follower on an acquisition circuit, buffer a signal output, reduce the impedance of the signal input to the ADC and improve the accuracy of measurement. Referring to fig. 9, the analog-to-digital converter of the present invention has the following features:
1. 8-channel single-ended input: can simultaneously collect 8 single-end signal inputs. Or 4 differential signal inputs.
2. The measurement range is wide: the basic range is 0-5V input voltage, the reference voltage input end can flexibly configure the voltage, the voltage can be adjusted to be within 0-5V, the analog signals with different measuring ranges and resolutions can be conveniently collected,
3. the acquisition frequency is high, and the precision is high: the sampling conversion rate is 30K/s, and the precision can reach 0.00001.
According to one embodiment of the present invention, the microprocessor module 40 is mainly composed of a microprocessor, a memory 42 and a display 43. The microcontroller 41 is connected to the data acquisition module 30 through the universal interface module 20 to complete the interactive control with the data acquisition module 30. The memory 42 is connected to the microcontroller 41 to store data of the user. The display 43 is connected to the microcontroller 41 and to the bluetooth positioning module 50 for displaying the parameters.
Specifically, the microcontroller 41 may be connected to the data acquisition module 30 through the universal interface module 20 to perform interactive control with the data acquisition module 30. The memory 42 is connected to the microcontroller 41, and the memory 42 can store user data. The storage aspect of the memory 42 may use a TF Card (a flash memory Card), or store user data in a USB communication manner, such as measured data, accumulated data, and the like. Through file operation, internal saving or copying is performed. Therefore, 1 TF card slot and USB HOST interface need to be reserved on the device. A display 43 is connected to the microcontroller 41 and to the bluetooth positioning module 50, the display 43 being operable to display parameters. Preferably, the gas detection system 100 of the present invention processes the measured signal of the harmful gas with a low power consumptionThe MCU (microcontroller 41) is responsible for the display 43 of the gas detection system 100, the power on/off, the keyboard control, the on/off of some indicator lights, and the sound control of the buzzer. A low power consumption MCU may prefer a CPU of the STM32F4XX family. Wherein, STM32F 429's internal resources is abundant, and the interface is more, convenient to use. The STM32F429/439 series of MCUs are oriented towards medical, industrial and consumer applications requiring high integration, high performance, embedded memory 42 and peripherals in as small as 5x 5.1mm packages. STM32F429/439 singlechip integration CortexTMThe M4 core (with floating point units) has an operating frequency of 180MHz and achieves a static power consumption (shutdown mode) lower than STM32F 405/415/407/F417. The utility model discloses a microcontroller 41 is under 180MHz frequency, when carrying out from the Flash memory, STM32F429/439 singlechip can provide 225DMIPS 608coreMark performance. DSP instruction and floating point arithmetic unit have expanded the range of application of the product. The series of products adopt a 90nm technology and an ART accelerator, have a dynamic power consumption adjusting function, and can realize current consumption (@180MHz) as low as 260 muA/MHz in an operation mode and during execution from a Flash memory. In shutdown mode, a typical power consumption value is 100 μ A. The new LCD-TFT controller supporting the dual layer at the same time utilizes the chroma-ART graphics accelerator of the ideological semiconductor corporation, with the content creation speed twice that of a single core. In addition to raw data replication, the Chrom-ART accelerator supports other functions such as image format conversion or image blending (transparency blending). Thus, the chroma-ART accelerator increases the speed of graphics content creation, saving MCU kernel processing bandwidth for the rest of the programs.
In the gas detecting system 100 of the present invention, the button and the button circuit are mainly media of human-computer interaction, see fig. 12 and 13, and the button circuit include the on-off button, the button of the operation interface, and so on. The keys are primarily integral and also have buttons that are integrated with the printed circuit board. The integrated button is mostly applied to equipment with a relatively wide internal space, and the integrated button is selected to be combined with a printed PCB (printed Circuit Board) in consideration of the relatively limited internal space of the detector. Mainly comprises film keys and dome keys, wherein the film keys can be selected if the keyboard is in a film pasting mode, and the dome keys are more suitable to be selected if a rubber pad is used as the keys.
Regarding the setting of the keys, the following 4 physical keys may be mainly adopted:
power on-off button: the button for on-off operation is pressed for a long time.
2. And returning: a selection menu or a last step button of an operation.
3. Menu: menu buttons for various functions are selected.
4. And (3) detection: the button for starting the detection can be reached by one key.
In a preferred embodiment of the present invention, the display 43 is an LCD display. The utility model discloses a display 43 among the gas detection system 100 mainly is used for the display parameter, and the LCD display is of a great variety, has following several kinds basically, and the monochromatic LCD of digital style is almost as with the LED charactron, all is the demonstration of some fixed characters or chinese character, and what be in addition is monochromatic dot matrix style, can show monochromatic character or picture, shows comparatively freely. The other is a color LCD, which is similar to a screen on a mobile phone and can display rich colors, pictures and the like. The utility model discloses preferred colored LCD display does not need very big display area as a portable instrument, can select between 3.5 cun to 7 cun, and this content that shows as required selects. And a resistive or capacitive touch screen is required to be configured, preferably a capacitive touch screen is used as a touch input device, the circuit design of the display 43 is shown in fig. 10, and specifically, a 5-inch capacitive touch screen can be selected as a display device of the gas detector.
According to an embodiment of the present invention, the gas detection system 100 further comprises: and the clock module is connected with the micro-processing module 40 and is an RTC clock. Specifically, the gas detection system 100 may further include a Clock module, the Clock module is connected to the microprocessor module 40, the Clock module may adopt a Real-Time Clock (RTC) Clock, a circuit design of the Clock module is shown in fig. 11, the Clock module may provide a Real-Time RTC function for the gas detection system 100, and the RTC Clock may still move after the gas detection system 100 is powered off, so as to accurately record information such as a date.
In summary, the utility model discloses a gaseous detecting system 100 based on bluetooth location can carry out the portable inspection to different trace harmful gas in the airtight space to through the communication between bluetooth orientation module 50 and the thing networking platform 60, confirm the position that harmful gas revealed, and carry out real time monitoring, analysis and processing to harmful gas.
The utility model also provides a gaseous detecting instrument includes the gaseous detecting system 100 based on bluetooth location in the above-mentioned embodiment. Because according to the utility model discloses gas detection system 100 based on bluetooth location has above-mentioned technological effect, consequently, according to the utility model discloses a gas detection appearance also has corresponding technological effect, promptly the utility model discloses a gas detection appearance can carry out the portable inspection to different trace harmful gas in the airtight space to through the communication between bluetooth orientation module 50 and the thing networking platform 60, confirm the position that harmful gas revealed, and carry out real time monitoring, analysis and processing to harmful gas.
Other structures and operating principles of the gas detector according to embodiments of the present invention will be understood and readily implemented by those skilled in the art, and therefore will not be described in detail.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A gas detection system based on Bluetooth positioning, comprising:
a power supply module;
the universal interface module is connected with the power supply module;
the data acquisition module, with the general interface module is connected, the data acquisition module includes: the system comprises a plurality of sensor modules and a converter module, wherein the sensor modules are respectively used for collecting different harmful gases and generating corresponding collected signals; the converter module is connected with the plurality of sensor modules and is used for converting the collected signals collected by the plurality of sensor modules from analog quantity signals into digital quantity signals and outputting the digital quantity signals;
the micro-processing module is connected with the universal interface module and the power supply module, is connected with the data acquisition module through the universal interface module, and is used for finishing interactive control with the data acquisition module so as to extract, process and transmit the acquisition signals acquired by the data acquisition module;
the Bluetooth positioning module is used for receiving the acquisition signals transmitted by the micro-processing module, determining the positions of leakage of harmful gas and generating corresponding position signals, and is also used for receiving the acquisition signals and the generated position signals and uploading the position signals to the Internet of things platform so as to pass through the Internet of things platform for monitoring and analysis processing.
2. The bluetooth location based gas detection system of claim 1, further comprising: the alarm module is connected with the micro-processing module and is configured to generate alarm information when the acquisition signal extracted by the micro-processing module exceeds a threshold value, and upload the alarm information to the Internet of things platform.
3. The gas detection system based on Bluetooth positioning according to claim 1, wherein the power module comprises a plurality of power sub-modules, each of the power sub-modules has a DC/DC circuit, and each of the power sub-modules performs voltage transformation in an LDO manner.
4. The bluetooth location based gas detection system of claim 1, wherein the plurality of sensor modules are sensors for detecting hydrogen chloride, nitric oxide, carbon monoxide, sulfur dioxide, ozone, and nitrogen dioxide, respectively.
5. The bluetooth location based gas detection system of claim 4, wherein the sensor module further comprises: the temperature and humidity sensor is used for detecting the temperature and the humidity of the environment and generating corresponding temperature signals and humidity signals.
6. The bluetooth location based gas detection system of claim 1, wherein the converter module is an analog to digital converter.
7. The bluetooth location based gas detection system of claim 1, wherein the microprocessor module comprises:
the microcontroller is connected with the data acquisition module through the universal interface module so as to complete interactive control with the data acquisition module;
a memory connected with the microcontroller to store data of a user;
and the display is connected with the Bluetooth positioning module through the microcontroller and is used for displaying parameters.
8. The bluetooth location based gas detection system according to claim 7, wherein the display is an LCD display.
9. The bluetooth location based gas detection system of claim 1, further comprising: the clock module is connected with the micro-processing module and is an RTC clock.
10. A gas detection instrument comprising a bluetooth location based gas detection system according to any one of claims 1-9.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223285A (en) * | 2021-01-13 | 2021-08-06 | 深圳市芯中芯科技有限公司 | Passive maintenance-free fluid flow measuring instrument based on intelligent network |
| CN115083029A (en) * | 2021-12-29 | 2022-09-20 | 中国石油集团工程股份有限公司 | Intelligent inspection system based on oil field Internet of things |
| CN118200361A (en) * | 2024-05-16 | 2024-06-14 | 中煤科工集团北京华宇工程有限公司 | Intelligent mine safety detection method and system based on digital twinning |
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- 2019-12-25 CN CN201922364650.5U patent/CN211478231U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223285A (en) * | 2021-01-13 | 2021-08-06 | 深圳市芯中芯科技有限公司 | Passive maintenance-free fluid flow measuring instrument based on intelligent network |
| CN115083029A (en) * | 2021-12-29 | 2022-09-20 | 中国石油集团工程股份有限公司 | Intelligent inspection system based on oil field Internet of things |
| CN118200361A (en) * | 2024-05-16 | 2024-06-14 | 中煤科工集团北京华宇工程有限公司 | Intelligent mine safety detection method and system based on digital twinning |
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