CN212082443U - MEMS air quality detection system capable of being transplanted to smart watch - Google Patents
MEMS air quality detection system capable of being transplanted to smart watch Download PDFInfo
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- CN212082443U CN212082443U CN202020394068.3U CN202020394068U CN212082443U CN 212082443 U CN212082443 U CN 212082443U CN 202020394068 U CN202020394068 U CN 202020394068U CN 212082443 U CN212082443 U CN 212082443U
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Abstract
The utility model relates to a transplantable in MEMS air quality detecting system of intelligent wrist-watch relates to the air quality detection area, and the gas sensor that similar intelligent wrist-watch was embedded among the prior art is semiconductor formula sensor mostly, has the shortcoming such as response time is longer, the precision is lower, the volume is great, including host system, MEMS temperature and humidity sensor, MEMS VOC sensor, MEMS formaldehyde sensor, MEMS smoke transducer, display screen, power module and alarm module. Because the utility model discloses a modular design, portability is higher, so can with the utility model discloses a MEMS air quality detecting system imbeds in the intelligent wrist-watch, can make the volume of intelligent wrist-watch become more small and exquisite, power saving and intelligence through embedding MEMS air quality detecting system. The user's accessible is worn the intelligent wrist-watch on the wrist and is come the air quality of anytime and anywhere detection surrounding environment, in time discovers and keeps away from harmful gas to do not endanger healthy.
Description
Technical Field
The utility model relates to an air quality detection field, concretely relates to transplantable in MEMS air quality detecting system of intelligent wrist-watch.
Background
With the progress of science and technology and the development of times, smart wearable devices such as smart watches gradually enter the field of vision of the public and play a very important role in daily life. The advent of MEMS technology has enabled the integration of various components and sensors to be higher and smaller, and thus various MEMS sensors are embedded in smartwatches.
In the prior art, most of gas sensors embedded in similar intelligent watches are semiconductor type sensors, and have the defects of long response time, low precision, large volume and the like. The smart watch can be made smaller, power-saving and intelligent if the sensors developed by the latest MEMS technology are embedded.
Therefore, how to develop an MEMS air quality detection system which can be transplanted to a smart watch becomes a problem which is worthy of being solved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at overcoming the not enough of prior art, the utility model provides a transplantable in the MEMS air quality detecting system of intelligent wrist-watch to solve the problem that proposes in the above-mentioned technical background.
(II) technical scheme
The technical scheme of the utility model: the utility model provides a transplantable MEMS air quality detecting system in intelligent wrist-watch, includes host system, MEMS temperature and humidity sensor, MEMS VOC sensor, MEMS formaldehyde sensor, MEMS smoke transducer, display screen, power module and alarm module.
The MEMS temperature and humidity sensor is connected with the main control module through I2C; the MEMS VOC sensor is connected with the main control module through a UART; the MEMS formaldehyde sensor is connected with the main control module through a UART; the MEMS smoke sensor is connected with the main control module through I2C; the display screen is connected with the main control module through I2C; the power supply module is connected with the main control module through an ADC (analog to digital converter); the alarm module is connected with the main control module through PWM.
The detection system is divided into a top layer, a middle layer and a bottom layer which are sequentially bonded, and the display screen is fixedly arranged on the top layer of the detection system; the main control module, the MEMS temperature and humidity sensor, the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor and the alarm module are all arranged in the middle layer of the detection system, and the MEMS temperature and humidity sensor, the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor and the alarm module are all arranged around the main control module; the power module is arranged at the bottom layer of the detection system.
Further, the main control module is specifically an STM32F407VET6 minimum system, and is used for controlling data interaction.
Further, the MEMS temperature and humidity sensor is specifically AHT10, and is configured to detect a temperature and humidity of an ambient environment, where a VCC level of the MEMS temperature and humidity sensor is 3.3V.
Further, the MEMS VOC sensor is KQM6600TA specifically and is used for detecting VOC concentration of the surrounding environment, and the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor and a VCC power supply end of the display screen are connected with a filter capacitor.
Further, the MEMS formaldehyde sensor is specifically MMD1001S, and is used for detecting the formaldehyde concentration of the surrounding environment.
Further, the MEMS smoke sensor is specifically GM-202B and is used for detecting the smoke concentration of the surrounding environment.
Further, the display screen is specifically a 2-inch capacitive touch screen with an FT6236U touch chip, and is used for displaying data acquired by the sensor and related prompt information.
Further, the power module is preferably a 600 milliamp 582535 lithium battery for supplying power to the whole detection system, wherein the power module comprises a lithium battery, a boost chip PS3120A, a filter capacitor C1-C10 and a voltage regulation chip ASM1117, and is used for boosting the lithium battery to 5V or regulating the voltage to 3.3V for supplying power to the sensor.
Further, the alarm module is specifically 1027 vibration motor for reminding a user.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses a modular design, portability is higher, so can with the utility model discloses a MEMS air quality detecting system imbeds in the intelligent wrist-watch, can make the volume of intelligent wrist-watch become more small and exquisite, power saving and intelligence through imbedding MEMS air quality detecting system. Therefore, the user can detect the air quality of the surrounding environment at any time and any place through the intelligent watch worn on the wrist, and can find and keep away from harmful gas in time so as to avoid harming body health. If the intelligent wrist-watch on the existing market adopts the technical scheme of the utility model, can possess the function that the air quality detected under the prerequisite that does not sacrifice original function.
Drawings
Fig. 1 is a schematic view of the overall connection of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a control circuit diagram of the main control module of the present invention.
Fig. 4 is a circuit diagram of the power module and the main control module of the present invention.
Fig. 5 is a circuit diagram of the touch screen and the main control module of the present invention.
Fig. 6 is the utility model discloses a MEMS temperature and humidity sensor and host system connection circuit diagram.
Fig. 7 is a circuit diagram of the MEMS smoke sensor and the main control module according to the present invention.
Fig. 8 is a circuit diagram of the MEMS formaldehyde sensor and the main control module of the present invention.
Fig. 9 is a circuit diagram of the MEMS VOC sensor and the main control module of the present invention.
Fig. 10 is a circuit diagram of the alarm module and the main control module according to the present invention.
Reference numerals: the system comprises a main control module 1, an MEMS temperature and humidity sensor 2, an MEMS VOC sensor 3, an MEMS formaldehyde sensor 4, an MEMS smoke sensor 5, a display screen 6, a power supply module 7 and an alarm module 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an MEMS air quality detection system which can be transplanted to a smart watch includes a main control module 1, an MEMS temperature and humidity sensor 2, an MEMS VOC sensor 3, an MEMS formaldehyde sensor 4, an MEMS smoke sensor 5, a display screen 6, a power module 7, and an alarm module 8. The MEMS temperature and humidity sensor 2 passes through I2C is connected with the main control module 1; the MEMS VOC sensor 3 is connected with the main control module 1 through a UART; the MEMS formaldehyde sensor 4 is connected with the main control module 1 through a UART; said MEMS smoke sensor 5 passes through I2C is connected with the main control module 1; the display screen 6 passes through I2C is connected with the main control module 1; the power supply module 7 is connected with the main control module 1 through an ADC; the alarm module 8 is connected with the main control module 1 through PWM.
Referring to fig. 2, the display screen 6 is disposed on the top layer of the detection system; the main control module 1, the MEMS temperature and humidity sensor 2, the MEMS VOC sensor 3, the MEMS formaldehyde sensor 4, the MEMS smoke sensor 5 and the alarm module 8 are all arranged in the middle layer of the detection system, and the MEMS temperature and humidity sensor 2, the MEMS VOC sensor 3, the MEMS formaldehyde sensor 4, the MEMS smoke sensor 5 and the alarm module 8 are all arranged around the main control module 1; the power module 7 is arranged at the bottom layer of the detection system.
Referring to fig. 3 to 10, specifically, the MEMS temperature and humidity sensor is an AHT10, and is connected to PB10 to PB11 pins of the main control module, and configured to detect temperature and humidity of the surrounding environment and transmit the temperature and humidity to the main control module, where a VCC level of the MEMS temperature and humidity sensor is 3.3V.
Specifically, the MEMS VOC sensor is KQM6600TA, and is connected to pins PA1 to PA2 of the main control module, a pin F of the MEMS VOC sensor is connected to a pin PE4 of the main control module, and is used to detect the VOC concentration of the surrounding environment and transmit the VOC concentration to the main control module, and the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor, and a VCC power supply terminal of the display screen are all connected to filter capacitors.
Specifically, the MEMS formaldehyde sensor is MMD1001S, and is connected to PA 9-PA 10 pins of the main control module, and configured to detect a formaldehyde concentration in a surrounding environment and transmit the formaldehyde concentration to the main control module.
Specifically, the MEMS smoke sensor is specifically GM-202B and is used for detecting the smoke concentration of the surrounding environment.
Specifically, the display screen is a 2-inch capacitive touch screen with an FT6236U touch chip, and is used for displaying data acquired by the sensor and related prompt information.
Specifically, the power module preferably selects a 600 milliampere 582535 lithium battery for supplying power to the whole detection system, wherein the power module includes a lithium battery, a boost chip PS3120A, a filter capacitor C1-C10 and a voltage regulation chip ASM1117, the boost chip is used for boosting the voltage of the lithium battery to 5V or regulating the voltage to 3.3V, the boost chip is used for supplying power to the sensor, the output ends of the VCC power supply are all connected with the filter capacitor, and the VIN end of the boost chip PS3120A is connected with the end of the main control module PA 1.
The working principle comprises the following steps:
s1: the MEMS temperature and humidity sensor 2 collects temperature and humidity data of the surrounding environment and transmits the temperature and humidity data to the main control module 1; the MEMS VOC sensor 3 collects VOC concentration data of the surrounding environment and transmits the VOC concentration data to the main control module 1; the MEMS formaldehyde sensor 4 collects the formaldehyde concentration of the surrounding environment and transmits the formaldehyde concentration data to the main control module 1; the MEMS smoke sensor 5 collects the smoke concentration of the surrounding environment and transmits the smoke concentration data to the main control module 1; meanwhile, the power module 7 supplies power to the whole detection system.
The MEMS temperature and humidity sensor 2, the MEMS VOC sensor 3, the MEMS formaldehyde sensor 4 and the MEMS smoke sensor 5 can be set to acquire data once or many times per second.
S2: the main control module 1 receives the temperature and humidity data, the VOC concentration data, the formaldehyde concentration data and the smoke concentration data, and converts the temperature and humidity data, the VOC concentration data, the formaldehyde concentration data and the smoke concentration data into data which are updated once per second through an average value algorithm.
S3: the data after the conversion are sent to the display screen 6 by the main control module 1, the display screen 6 displays the temperature and humidity, the VOC gas concentration, the formaldehyde concentration and the smoke concentration of the surrounding environment on the screen, the data are updated once every second, and meanwhile, the main control module 1 judges the temperature and humidity data, the VOC gas concentration data, the formaldehyde concentration data and the smoke concentration data.
S4: when the main control module 1 detects that any one of the temperature, the humidity, the VOC concentration, the formaldehyde concentration and the smoke concentration exceeds a threshold upper limit or is lower than a threshold lower limit, the display screen 6 displays that the air quality is 'poor', otherwise, the air quality is 'good'.
Wherein, the threshold value of humiture is: the upper temperature limit is 40 ℃, and the lower temperature limit is-10 ℃; the upper limit of humidity is 80%, and the lower limit of humidity is 30%. The threshold value of the VOC concentration is as follows: the upper limit is 0.5mg/m 3. The threshold value of the formaldehyde concentration is as follows: the upper limit is 0.1mg/m 3. The threshold value of the smoke concentration is as follows: the upper limit is 0.1mg/m 3.
S5: when the air quality is poor, the display screen 6 immediately pops up a window to remind a user of paying attention to the surrounding environment, and meanwhile, the alarm module 8 continuously vibrates.
S6: if the user clicks the screen of the display screen at the moment, the reminding and the vibration can be cancelled, and if not, the alarm module 8 continuously vibrates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A portable MEMS air quality detecting system in intelligent wrist-watch, its characterized in that includes:
the main control module is used for controlling data interaction;
the MEMS temperature and humidity sensor is used for detecting the temperature and humidity of the surrounding environment;
a MEMS VOC sensor for detecting a VOC concentration of a surrounding environment;
the MEMS formaldehyde sensor is used for detecting the formaldehyde concentration of the surrounding environment;
the MEMS smoke sensor is used for detecting the smoke concentration of the surrounding environment;
the display screen is used for displaying the data acquired by the sensor and related prompt information;
the power supply module is used for supplying power to the whole detection system;
the alarm module is used for reminding a user;
the display screen is arranged on the top layer of the detection system;
the main control module, the MEMS temperature and humidity sensor, the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor and the alarm module are all arranged in the middle layer of the detection system;
the power supply module is arranged at the bottom layer of the detection system;
the MEMS temperature and humidity sensor is connected with the main control module through I2C; the MEMS VOC sensor is connected with the main control module through a UART; the MEMS formaldehyde sensor is connected with the main control module through a UART; the MEMS smoke sensor is connected with the main control module through I2C; the display screen is connected with the main control module through I2C; the power supply module is connected with the main control module through an ADC (analog to digital converter); the alarm module is connected with the main control module through PWM.
2. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the MEMS temperature and humidity sensor, the MEMS VOC sensor, the MEMS formaldehyde sensor, the MEMS smoke sensor and the alarm module are all arranged around the main control module.
3. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the main control module preferably adopts an STM32F407VET6 minimum system.
4. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the preferred model of MEMS temperature and humidity sensor is AHT 10's sensor, and wherein the VCC level of MEMS temperature and humidity sensor is 3.3V.
5. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the preferred model of MEMS VOC sensor is KQM6600 TA's sensor, and the VCC level is 5V, and VCC power supply end is connected with filter capacitor.
6. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the MEMS formaldehyde sensor is preferably a sensor of the type MMD 1001S.
7. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the MEMS smoke sensor is preferably a sensor of type GM-202B.
8. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the display screen is preferably a 2-inch capacitive touch screen with an FT6236U touch chip.
9. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the power module is preferably a 600 milliamp 582535 lithium battery.
10. The MEMS air quality detection system portable to a smart watch of claim 1, wherein: the alarm module preferably 1027 vibrates the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394068.3U CN212082443U (en) | 2020-03-25 | 2020-03-25 | MEMS air quality detection system capable of being transplanted to smart watch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394068.3U CN212082443U (en) | 2020-03-25 | 2020-03-25 | MEMS air quality detection system capable of being transplanted to smart watch |
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| CN212082443U true CN212082443U (en) | 2020-12-04 |
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| CN202020394068.3U Expired - Fee Related CN212082443U (en) | 2020-03-25 | 2020-03-25 | MEMS air quality detection system capable of being transplanted to smart watch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281472A (en) * | 2021-07-26 | 2021-08-20 | 北京英视睿达科技有限公司 | Ambient air quality sensor, monitoring device and method |
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2020
- 2020-03-25 CN CN202020394068.3U patent/CN212082443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281472A (en) * | 2021-07-26 | 2021-08-20 | 北京英视睿达科技有限公司 | Ambient air quality sensor, monitoring device and method |
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Granted publication date: 20201204 Termination date: 20210325 |