CN106289394A - A kind of Wearable real time environment gas controlling device and monitoring method thereof - Google Patents
A kind of Wearable real time environment gas controlling device and monitoring method thereof Download PDFInfo
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- CN106289394A CN106289394A CN201610630937.6A CN201610630937A CN106289394A CN 106289394 A CN106289394 A CN 106289394A CN 201610630937 A CN201610630937 A CN 201610630937A CN 106289394 A CN106289394 A CN 106289394A
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- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
Present invention is disclosed a kind of Wearable real time environment gas controlling device and monitoring method thereof, it includes circuit board, it is connected electrically in described circuit board supply unit on one side, it is fixed on detection air chamber that is in the middle part of described circuit board and that be internally provided with cavity, the micro air pump connected with described detection air chamber, it is connected electrically on described circuit board the biasing circuit being positioned at described detection air chamber both sides, the some sensors being fixed in described cavity and the signal output interface being connected electrically in described circuit board one side, described sensor includes formaldehyde examination sensor, benzene detection sensor, TVOC detects sensor.The present invention can be the most automatic, lasting, harmful gas in dynamic monitoring of environmental, it is achieved detecting the harmful gas of variable concentrations in many volatile source complex environment, and can carry out sound and light alarm, little being easy to of volume is designed to Wearable product.
Description
[technical field]
The invention belongs to environmental monitoring technology field, particularly relate to a kind of Wearable real time environment gas controlling device and
Its monitoring method.
[background technology]
In daily life, no matter indoor or outdoors, these compounds are ubiquitous, and people are exposed to containing big every day
In the environment of amount VOCs, such as paint and wood furniture, the petroleum-type derived product such as gasoline, diesel oil etc. of finishing.Accordingly, it would be desirable to it is logical
Cross some the most wearable detection means, the concentration level of VOCs in real-time automatic monitoring, analysis and Evaluation Environment,
Send early warning after the safe concentration that is above standard, to evade the inducement of part disease, improve personal health condition and contribute to protection
Environment.
[summary of the invention]
It is an object of the present invention to provide a kind of Wearable real time environment gas controlling device, can be the most automatic
, harmful gas lasting, in dynamic monitoring of environmental, it is achieved many volatile source complex environment detects the harmful of variable concentrations
Gas, and sound and light alarm can be carried out, little being easy to of volume is designed to Wearable product.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of Wearable real time environment gas controlling device, its
Including circuit board, it is connected electrically in described circuit board supply unit on one side, is fixed in the middle part of described circuit board and internal setting
There is micro air pump that the detection air chamber of cavity connects with described detection air chamber, be connected electrically on described circuit board and be positioned at described inspection
Survey the biasing circuit of air chamber both sides, the some sensors being fixed in described cavity and be connected electrically in described circuit board one side
Signal output interface, described sensor includes that formaldehyde examination sensor, benzene detection sensor and TVOC detect sensor.
Further, the passage that described micro air pump connects with described detection air chamber is provided with dry filtrating equipment.
Further, described circuit board powers on and is provided with and communicated with audible-visual annunciator and control module.
Further, described control module includes that the Temperature and Humidity module being arranged in described cavity is warm and humid with described
The degree single-chip microcomputer of detection module electric connection and the signal processing module of described sensor electric connection and data communication module.
Further, the exposed wire surface at described circuit board surface processes through turmeric.
Further, described sensor is that array format is arranged in described detection air chamber.
Further, described supply unit include the external power interface saving battery and described savings battery electric connection with
And on and off switch.
A kind of Wearable real time environment monitoring method of offer is provided.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of Wearable real time environment monitoring method, it includes
Following steps,
1) described micro air pump separated in time by environmental gas through described in described dry filtrating equipment suction examine
In survey air chamber；
2) described sensor produces response signal；
3) response signal amplifies after filtering；
4) the response signal after amplifying after filtering is transferred to described single-chip microcomputer and carries out analog digital conversion (A/D)；
5) described single-chip microcomputer combines the data of described Temperature and Humidity mould and is modified response signal；
6) revised response signal is transferred to described signal processing module；
7) after signal is processed by described signal processing module, transmission is to described data communication module, the most described monolithic
Relevant data are stored in data communication module by machine.
Further, described data communication module sends data to cell-phone customer terminal or PC terminal by bluetooth or USB.
Further, in described step 2, the step that described sensor produces response signal is as follows,
1) the typical environment harmful gas of formaldehyde, benzene and total volatile organic compound (TVOC) is chosen as Preliminary detection
Object；
2) system detection range is determined by the gas of examination criteria concentration；
3) analyze the dependency of stable state peak value and corresponding concentration, draw matched curve and as calibration equation；
4) it is principle of optimality to the maximum to choose the testing result of described sensor with slope and fitting degree simultaneously, and draws
Corresponding signal.
Compared with prior art, a kind of Wearable of present invention real time environment gas controlling device and monitoring method thereof is useful
Effect is:
1) can be the most automatic, lasting, harmful gas in dynamic monitoring of environmental, detection gas is manually set
The kind of body, sensor response obtains gas concentration value after signal processing with computational analysis, and data can be by bluetooth timing
Sending to smart mobile phone, display observation station gas concentration value is also stored, or is transmitted to host computer by the USB later stage, in order to observation
With the big data of analysis, draw concentration collection of illustrative plates；
2) concentration value of the formaldehyde of recordable position, benzene or TVOC, it is achieved detect not in many volatile source complex environment
With the harmful gas of concentration, and sound and light alarm can be carried out；
3) compact conformation, small volume, it is simple to be designed to arm straps, with belt is worn on, without other after power-on
Operation can detect environmental gas concentration for a long time, and can send in real time to mobile phone, sends pre-after the safe concentration that is above standard
Warn, or storage data are sent to host computer, in order to carry out big data analysis in the later stage；
4) there is the advantages such as automatization, low cost, good, the simple operation of real-time.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the control method step schematic diagram in the embodiment of the present invention；
In figure, numeral represents:
1 circuit board, 11 Temperature and Humidity modules, 12 single-chip microcomputers, 13 signal processing modules, 14 data communication modules；2 power supplys
Device, 21 savings batteries, 22 external power interfaces, 23 on and off switch；3 detection air chambers；4 micro air pumps；5 biasing circuits；6 sensings
Device；7 signal output interfaces；8 dry filtrating equipments；9 audible-visual annunciators.
[detailed description of the invention]
Embodiment:
Refer to Fig. 1, Fig. 2, the present embodiment is Wearable real time environment gas controlling device, and it includes circuit board 1, is electrically connected
It is connected on the circuit board 1 supply unit 2 near one side, is fixed on detection air chamber that is in the middle part of circuit board 1 and that be internally provided with cavity
3 with detection air chamber 3 connect micro air pumps 4, be connected electrically on circuit board 1 be positioned at detection air chamber 3 both sides biasing circuit 5, consolidate
It is scheduled on the some sensors 6 in detection air chamber 3 and is connected electrically in circuit board 1 signal output interface 7 on one side.At micro air pump
It is provided with dry filtrating equipment 8 on 4 passages connected with detection air chamber 3.Audible-visual annunciator 9 it is additionally provided with on circuit board 1.
Being provided with control module on circuit board 1, control module includes the Temperature and Humidity module being arranged in detection air chamber 3
11 and the single-chip microcomputer 12 of Temperature and Humidity module 11 electric connection and the signal processing module 13 of sensor 6 electric connection and data
Communication module 14.Data communication module 14 is connected by SPI communication with single-chip microcomputer 12.
Circuit board 1 surface does not comprise solder mask, causes oil to avoid sensor 6 and biasing circuit 5 operationally to generate heat
Mud discharges volatile material and interferes detection environment.The wire surface of circuit board 1 surface exposure processes through turmeric, enters
One step decreases the volatilization of interference gas, gets rid of its impact on system detection.
Sensor 6 preferably mos sensor or cmos sensor.Sensor 6 includes that formaldehyde examination sensor, benzene detect
Sensor, TVOC detect sensor.Sensor 6 is arranged in array format in detection air chamber 3, so as to ensure monitoring result
Accuracy.
Supply unit 2 includes saving battery 21 and the external power interface 22 of savings battery 21 electric connection and on and off switch
23。
Detection air chamber 3 passes through micro air pump 4 and carries out suction and the discharge of gas.
The present embodiment monitoring method based on Wearable real time environment gas controlling device, it comprises the following steps:
1) micro air pump 4 separated in time by environmental gas through dry filtrating equipment 8 suction detection air chamber 3 in,
Dry filtrating equipment 8 mainly can remove the moisture in environmental gas and large particulate matter；
2) sensor 6 carries out detection generation response signal to the gas entering detection air chamber 3；
3) sensor 6 produces response signal to amplify after filtering；
4) the response signal after amplifying after filtering is transferred to single-chip microcomputer 12 and carries out analog digital conversion (A/D)；
5) single-chip microcomputer 12 exports analogue signal and adjusts biasing and the gain of sensor 6, and meanwhile, Temperature and Humidity module 11 is held
Data are reached single-chip microcomputer 12 and are modified the response signal of sensor 6 by the temperature and humidity in continuous detection detection air chamber 3,
Eliminate the error that other factors in environment cause；
6) revised response signal is transferred to signal processing module 13；
7) signal processing module 13 transmits after processing signal to data communication module 14, and single-chip microcomputer 12 passes through simultaneously
Relevant data are stored in data communication module 14 by SPI communication；
8) data communication module 14 sends data to cell-phone customer terminal or PC terminal by bluetooth or USB；
9) environmental gas is discharged by micro air pump 4.
Harm and the impact that human body or environment are caused by harmful gas is common are in order to preferably monitor indoor or outdoors,
In step 2, first choose the typical environment harmful gas such as formaldehyde, benzene and total volatile organic compound (TVOC) as tentatively
Detection object, determines system detection range (0.01～0.5mg/m3) by the gas of examination criteria concentration, analyzes stable state peak value
With the dependency of corresponding concentration, draw matched curve and as calibration equation, with slope and fitting degree (R2) be to the maximum simultaneously
Principle of optimality chooses the testing result of sensor 6, and draws corresponding signal.
In the present embodiment, sensor 6 corresponding stabilization time is 30s, and system can arrange between arbitrarily data more than 30s send
Every, target gas levels is uploaded to mobile phone by bluetooth, or by USB transmission to host computer (PC terminal).
The present embodiment Wearable real time environment gas controlling device can be applicable to in-vehicle exposure, indoor decoration, outdoor environment
Etc. the real-time of harmful gas and fast monitored.Such as the upholstery material after the sun is exposed to the sun, the various coating of indoor decoration
The harmful gass such as hydro carbons, alkyls, the fragrance same clan are gone out with all highly volatiles such as the vehicle exhaust in building materials, outdoor environment.
Having the beneficial effects that of the present embodiment Wearable real time environment gas controlling device and monitoring method thereof:
1) can be the most automatic, lasting, harmful gas in dynamic monitoring of environmental, detection gas is manually set
The kind of body, sensor response obtains gas concentration value after signal processing with computational analysis, and data can be by bluetooth timing
Sending to smart mobile phone, display observation station gas concentration value is also stored, or is transmitted to host computer by the USB later stage, in order to observation
With the big data of analysis, draw concentration collection of illustrative plates；
2) concentration value of the formaldehyde of recordable position, benzene or TVOC, it is achieved detect not in many volatile source complex environment
With the harmful gas of concentration, and sound and light alarm can be carried out；
3) compact conformation, small volume, it is simple to be designed to arm straps, with belt is worn on, without other after power-on
Operation can detect environmental gas concentration for a long time, and can send in real time to mobile phone, sends pre-after the safe concentration that is above standard
Warn, or storage data are sent to host computer, in order to carry out big data analysis in the later stage；
4) there is the advantages such as automatization, low cost, good, the simple operation of real-time.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, it is also possible to making some deformation and improvement, these broadly fall into the protection model of the present invention
Enclose.
Claims (10)
1. a Wearable real time environment gas controlling device, it is characterised in that: it includes circuit board, is connected electrically in described circuit
Plate supply unit on one side, it is fixed on detection air chamber that is in the middle part of described circuit board and that be internally provided with cavity and described detection
The micro air pump of air chamber connection, it is connected electrically on described circuit board and is positioned at the biasing circuit of described detection air chamber both sides, is fixed on
Some sensors in described cavity and be connected electrically in described circuit board signal output interface on one side, described sensor includes
Formaldehyde examination sensor, benzene detection sensor and TVOC detect sensor.
2. Wearable real time environment gas controlling device as claimed in claim 1, it is characterised in that: described micro air pump with
It is provided with dry filtrating equipment on the passage of described detection air chamber connection.
3. Wearable real time environment gas controlling device as claimed in claim 1, it is characterised in that: it is electrically connected on described circuit board
Lead to and be provided with audible-visual annunciator and control module.
4. Wearable real time environment gas controlling device as claimed in claim 3, it is characterised in that: described control module includes
The Temperature and Humidity module being arranged in described cavity and the single-chip microcomputer of described Temperature and Humidity module electric connection and described biography
The signal processing module of sensor electric connection and data communication module.
5. Wearable real time environment gas controlling device as claimed in claim 4, it is characterised in that: exposed at described circuit board
The wire surface on surface processes through turmeric.
6. Wearable real time environment gas controlling device as claimed in claim 1, it is characterised in that: described sensor is array
Form is arranged in described detection air chamber.
7. Wearable real time environment gas controlling device as claimed in claim 1, it is characterised in that: described supply unit includes
Save battery and the external power interface of described savings battery electric connection and on and off switch.
8. monitoring method based on the Wearable real time environment gas controlling device described in claim 4, it is characterised in that: its bag
Include following steps,
1) described micro air pump separated in time by environmental gas through described in described dry filtrating equipment suction detect gas
Indoor；
2) described sensor produces response signal；
3) response signal amplifies after filtering；
4) the response signal after amplifying after filtering is transferred to described single-chip microcomputer and carries out analog digital conversion (A/D)；
5) described single-chip microcomputer combines the data of described Temperature and Humidity mould and is modified response signal；
6) revised response signal is transferred to described signal processing module；
7) after signal is processed by described signal processing module, transmission is to described data communication module, and the most described single-chip microcomputer will
Relevant data are stored in data communication module.
9. the monitoring method of Wearable real time environment gas controlling device as claimed in claim 8, it is characterised in that: described number
Cell-phone customer terminal or PC terminal is sent data to by bluetooth or USB according to communication module.
10. the monitoring method of Wearable real time environment gas controlling device as claimed in claim 8, it is characterised in that: in institute
Stating in step 2, the step that described sensor produces response signal is as follows,
1) the typical environment harmful gas of formaldehyde, benzene and total volatile organic compound (TVOC) is chosen as Preliminary detection pair
As；
2) system detection range is determined by the gas of examination criteria concentration；
3) analyze the dependency of stable state peak value and corresponding concentration, draw matched curve and as calibration equation；
4) it is principle of optimality to the maximum to choose the testing result of described sensor with slope and fitting degree simultaneously, and draws corresponding
Signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610630937.6A CN106289394A (en) | 2016-08-04 | 2016-08-04 | A kind of Wearable real time environment gas controlling device and monitoring method thereof |
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| CN201610630937.6A CN106289394A (en) | 2016-08-04 | 2016-08-04 | A kind of Wearable real time environment gas controlling device and monitoring method thereof |
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| CN201610630937.6A Pending CN106289394A (en) | 2016-08-04 | 2016-08-04 | A kind of Wearable real time environment gas controlling device and monitoring method thereof |
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Cited By (7)
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| CN107014428A (en) * | 2017-03-24 | 2017-08-04 | 广东小天才科技有限公司 | Environment monitoring method and device based on wearable equipment |
| CN107463131A (en) * | 2017-08-18 | 2017-12-12 | 成都鑫芯电子科技有限公司 | More monitoring function integrated form breeding environment monitors |
| CN109307730A (en) * | 2017-07-27 | 2019-02-05 | 研能科技股份有限公司 | The drive system of actuation sensor module |
| CN110426421A (en) * | 2019-09-09 | 2019-11-08 | 浙江大学 | Multi-component harmful gas detection device and detection method in a kind of kitchen environment |
| CN111624310A (en) * | 2020-06-09 | 2020-09-04 | 中国石油化工股份有限公司 | Method for resisting high-speed airflow of multi-sensor cavity |
| CN112304900A (en) * | 2020-10-23 | 2021-02-02 | 西安智光物联科技有限公司 | Shoulder-back type absorption spectrum methane detector |
| CN115248285A (en) * | 2021-04-28 | 2022-10-28 | 广东小天才科技有限公司 | Low-power-consumption gas measurement method and wearable device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014428A (en) * | 2017-03-24 | 2017-08-04 | 广东小天才科技有限公司 | Environment monitoring method and device based on wearable equipment |
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| CN110426421B (en) * | 2019-09-09 | 2020-10-16 | 浙江大学 | Device and method for detecting multi-component harmful gas in kitchen environment |
| CN111624310A (en) * | 2020-06-09 | 2020-09-04 | 中国石油化工股份有限公司 | Method for resisting high-speed airflow of multi-sensor cavity |
| CN112304900A (en) * | 2020-10-23 | 2021-02-02 | 西安智光物联科技有限公司 | Shoulder-back type absorption spectrum methane detector |
| CN112304900B (en) * | 2020-10-23 | 2022-12-20 | 西安智光物联科技有限公司 | Shoulder-back type absorption spectrum methane detector |
| CN115248285A (en) * | 2021-04-28 | 2022-10-28 | 广东小天才科技有限公司 | Low-power-consumption gas measurement method and wearable device |
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