TW201624429A - Smart environmental parameter internet of things - Google Patents

Abstract

The present invention provides a smart environmental parameter internet of things, which comprises: a first sensor, used for sensing fine particles in the air; a photoelectric integration and amplification circuit; a second sensor, used for sensing temperature and humidity in the air; a first conversion circuit; a third sensor, used for sensing the ultraviolet in the air; a fourth sensor, used for sensing toxic gases in the air; a second conversion circuit; a control unit; and a wireless module, which is coupled to a portable electronic device in a wireless manner and can transmit the signals received from the first sensor, second sensor, third sensor and fourth sensor to a portable electronic device and display signals on a display device of the portable electronic device, which is convenient for the user to be clearly aware of the state of the environment nearby.

Description

Smart environment parameter networking

This case is a network of environmental parameters, especially a network of intelligent environmental parameters.

The Internet of Things (IOT) is an information carrier based on the Internet, a traditional telecommunications network, etc., allowing all common physical objects that can be independently addressed to be interconnected. The Internet of Things is generally a wireless network. Since the number of devices around each person can reach one to five thousand, the Internet of Things may contain 500 to one gigabytes of objects. On the Internet of Things, everyone can apply electronic tags. Real objects are connected to the Internet, and they can be found on the Internet of Things. Through the Internet of Things, you can use the central computer to centrally manage and control machines, equipment, and personnel. You can also remotely control home devices and cars, as well as search for locations and prevent theft of items. The Internet of Things digitizes the real world and has a wide range of applications.

In addition, the underground parking lot may sometimes cause sewage to stay in the basement because of the rain, and the sewage tank in the underground room is prone to biogas. The biogas will decompose into methane after a long time, and excessive inhalation may cause life-threatening; In the event of a death and injury, a worker climbed into the sewage treatment tank in the basement to prepare for work. He was suspected of inhaling too much toxic biogas because he was not wearing protective equipment. He was stunned and floated in the sewage. The building security guard accidentally followed the fainting. After the police rescued the doctor, the worker was declared dead.

In addition, the gas leaking from the home, but we just got home, we don't know. If we encounter any switch that is very likely to cause serious casualties, how can we prevent these accidents?

At present, ultraviolet light is generally high, and economic growth has also increased the severity of environmental pollution. For example, China's inland land desertification and London smog events, most people in London use coal as a domestic fuel, and coal is used in large quantities to make smoke. Mixed with fog and the custom of burning gold paper in Taiwan will also cause an increase in aerosols in the air.

The London black fog incident (PM _2.5 ) mentioned above worsens the condition of patients with allergies, asthma and respiratory diseases. In the environment of toxic gases, it is easy to have biogas in the underground parking lot, which will lead to poisoning, coma and even poisoning. Death; in the case of excessive ultraviolet light, it is easy to have defects such as melanin, aging and even skin cancer.

Therefore, it is necessary to design a network of intelligent environmental parameters to overcome the above drawbacks.

An object of the present invention is to provide a smart environment parameter network, which has a first sensor, a second sensor, a third sensor and a fourth sensor, respectively, for sensing particles in the environment, Parameters such as temperature and humidity, ultraviolet light and toxic gas can be transmitted to the user's portable electronic device through the Bluetooth module, so that the user can clearly know the surrounding environmental conditions.

In order to achieve the above object, the smart environment parameter of the present invention is connected to the network, comprising: a first sensor for sensing particles in the air; and an optoelectronic integration and amplification circuit coupled to the first sensing The second sensing device is configured to perform photoelectric integration and amplification; a second sensor is configured to sense temperature and humidity in the air; and a first conversion circuit is coupled to the second a sensor for converting the sensing signal of the second sensor into an I ² C specification; a third sensor for sensing ultraviolet light in the air; and a fourth sensor for using To sense a toxic gas in the air; a second conversion circuit coupled to the fourth sensor, the sensing signal of the fourth sensor is converted; a control unit coupled to the The photoelectric integration and amplification circuit, the first conversion circuit, the third sensor, and the second conversion circuit are sensed according to the first sensor, the second sensor, the third sensor, and the fourth sensor The signal is correspondingly controlled; and a wireless module is coupled to the control unit at one end The other end is wirelessly coupled to a portable electronic device, and transmits signals sensed by the first sensor, the second sensor, the third sensor, and the fourth sensor to the portable device. The electronic device is displayed on one of the displays of the portable electronic device, so that the user can clearly and quickly know the surrounding environmental conditions.

In order to provide a further understanding of the structure, features, and objects of the present invention, the detailed description of the drawings and the preferred embodiments are set forth below.

10‧‧‧First sensor

20‧‧‧Optoelectronic integration and amplification circuit

30‧‧‧Second sensor

40‧‧‧First conversion circuit

50‧‧‧ third sensor

60‧‧‧fourth sensor

70‧‧‧Second conversion circuit

80‧‧‧Control unit

81‧‧‧First A/D conversion埠

82‧‧‧Second A/D conversion埠

83‧‧‧ Third A/D conversion埠

84‧‧‧I ² C埠

85‧‧‧ UART埠

90‧‧‧Wireless Module

100‧‧‧Portable electronic devices

105‧‧‧ display

FIG. 1 is a schematic diagram showing a block diagram of a smart environment parameter network in a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram showing the operation flow of the intelligent environment parameter networking in a preferred embodiment of the present invention.

Please refer to FIG. 1 , which is a block diagram showing the networking of intelligent environment parameter objects according to a preferred embodiment of the present invention.

As shown in the figure, the intelligent environment parameter of the case is connected to the network, which includes: a first a sensor 10; an optoelectronic integration and amplification circuit 20; a second sensor 30; a first conversion circuit 40; a third sensor 50; a fourth sensor 60; a second conversion circuit 70 A control unit 80; and a wireless module 90 are combined.

The first sensor 10 is, for example but not limited to, a suspended particle sensor for sensing particles in the air. In this embodiment, the first sensor 10 uses a GP2Y-1010 suspended particle sensor, and the suspended particle sensor has an infrared light emitting diode and a photoelectric crystal (all not shown). The diagonal is arranged to allow it to detect light reflected in the air. The sensor has very low current consumption (up to 20mA, typical of 11 mA) and can carry up to 7VDC sensors. The output is an analog voltage proportional to the measured dust concentration with a sensitivity of 0.5V/0.1mg/m ³ .

The optoelectronic integration and amplification circuit 20 is coupled to the first sensor 10, and the sensing signal of the first sensor 10 can be photoelectrically integrated and amplified.

The second sensor 30 is, for example but not limited to, a temperature and humidity sensor for sensing temperature and humidity in the air. In this embodiment, the second sensor 30 is a SHT-71 temperature and humidity sensor, and the SHT-71 temperature and humidity sensor is a full calibration composed of multiple sensor modules. Digital output relative humidity and temperature sensors with unique industrial CMOS technology for high reliability and excellent long-term stability.

The first conversion circuit 40 is coupled to the second sensor 30, and the sensing signal of the second sensor 30 can be serially converted into an I ² C specification.

The third sensor 50 is, for example but not limited to, an ultraviolet sensor for sensing ultraviolet rays in the air. In this embodiment, the third sensor 50 is a UV-G5645 ultraviolet sensor, and the cathode of the UV-G5645 ultraviolet sensor is charged between the cathode and the anode (not shown). When the ultraviolet light is transmitted through the quartz glass tube (not shown) to the cathode, the cathode emits photoelectrons due to the electron-emitting material on the cathode. Under the action of the strong electric field, the photoelectron is attracted to the anode, and the photoelectron is moved at a high speed. When the gas molecules collide with the gas molecules in the tube to ionize the gas molecules, the electrons generated by the gas ionization collide with the gas molecules, and finally the cathode and the anode are filled with a large amount of photoelectrons and ions, causing a photodischarge phenomenon and forming in the circuit. Very large current.

The fourth sensor 60 is, for example but not limited to, a toxic gas sensor for sensing toxic gases in the air. In this embodiment, the fourth sensor 60 adopts an MQ-2 smoke (gas) sensor, and when the ambient smoke of the MQ-2 smoke (gas) sensor is within an allowable range, The conductivity between the output electrodes at both ends is very low, and the voltage applied across the electrodes is very low, the output voltage rises, and the transistor 9013 (not shown) is turned on. At this time, the voltage applied across the relay (not shown) reaches Its starting voltage (5V), the relay jumps, the power-on indicator is off; the fan circuit (not shown) is turned on, the fan works, and begins to absorb smoke. When the smoke becomes more, the conductivity of the MQ-2 smoke (gas) sensor increases, the voltage applied across the electrodes rises, the output voltage becomes smaller, the transistor 9013 is turned off, the voltage across the relay is zero, and the relay jumps. In the normal state, the fan stops rotating and the power-on indicator lights up.

The second conversion circuit 70 is coupled to the fourth sensor 60, and the sensing signal of the fourth sensor 60 can be converted.

The control unit 80 is coupled to the optoelectronic integration and amplification circuit 20, the first conversion circuit 40, the third sensor 50, and the second conversion circuit 70, respectively, according to the first sensor 10 and the second sensor. 30. The signals sensed by the third sensor 50 and the fourth sensor 60 are correspondingly controlled.

The control unit 80 is, for example but not limited to, a microcontroller, and is preferably an HT6670 microcontroller produced by Holtek Semiconductor, and further has a first A/D conversion port 81 and a second A. /D conversion 埠82, a third A/D conversion 埠83, an I ² C 埠84, and a UART 埠85.

One end of the wireless module 90 is coupled to the UART 埠 85 of the control unit 80, and the other end is wirelessly coupled to a portable electronic device 100, and the first sensor 10 and the second sensor are The signals sensed by the third sensor 50 and the fourth sensor 60 are transmitted to the portable electronic device 100 and displayed on the display 105 of the portable electronic device 100 so that the user can clearly And quickly know the nearby environmental conditions.

The first sensor 10 is coupled to the first A/D conversion port 81 via the optoelectronic integration and amplification circuit 20; the second sensor 30 is coupled to the first conversion circuit 40 via the first conversion circuit 40. I ² C port 84; and the third sensor line 50 is coupled to the second A / D converter port 82; the fourth sensor 60 are connected via the second switching circuit 70 is coupled to the third A / D conversion 埠83.

In addition, the portable electronic device 100 further has an application (APP, not shown), and the application can receive the first sensor 10, the second sensor 30, and the third sensor 50 in real time. And the signal sensed by the fourth sensor 60 is displayed on the display 105, and if the first sensor 10, the second sensor 30, the third sensor 50, and the fourth sensor 60 are When the sensed signal exceeds a predetermined value, the portable electronic device 100 will send a warning signal to remind the user to prevent the above-mentioned regrets from occurring.

Please refer to FIG. 2, which is a flow chart showing the operation of the intelligent environment parameter networking in a preferred embodiment of the present invention.

As shown in the figure, when the intelligent environment parameter of the present invention is connected to the network, the photoelectric integration and amplification circuit 20 first takes out the signal sensed by the first sensor 10 through the first A/D conversion port 81 and Converting to the relative number of particles; then the first conversion circuit 40 takes out the signal sensed by the second sensor 30 through the I ² C埠 84 and converts it into relative temperature and humidity; then, the third sensor The sensed signal is taken out by the second A/D converter 82 and converted into a relative ultraviolet intensity; then, the signal sensed by the fourth sensor 60 is taken out through the third A/D converter 埠83 and The control unit 80 transmits the above-mentioned environmental parameters to the portable electronic device 100 via the wireless module 90 via the UART 埠85, and the portable electronic device 100 further converts the environment. The parameters are displayed on their display 105 for user reference.

Therefore, the smart environment parameter of the present invention is connected to the network, and has a first sensor, a second sensor, a third sensor and a fourth sensor, respectively, which can respectively detect the particles in the environment, Parameters such as temperature and humidity, ultraviolet light and toxic gas can be transmitted to the user's portable electronic device through the Bluetooth module, so that the user can clearly know the advantages of the surrounding environment, and therefore the intelligent environmental parameter of the case. Networking does improve the shortcomings of conventional systems.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

In summary, this case, regardless of its purpose, means and efficacy, is showing its technical characteristics that are different from the conventional ones, and its first invention is practical and practical, and it is also in compliance with the patent requirements of the invention. I will be granted a patent at an early date.

10‧‧‧First sensor

20‧‧‧Optoelectronic integration and amplification circuit

30‧‧‧Second sensor

40‧‧‧First conversion circuit

50‧‧‧ third sensor

60‧‧‧fourth sensor

70‧‧‧Second conversion circuit

80‧‧‧Control unit

81‧‧‧First A/D conversion埠

82‧‧‧Second A/D conversion埠

83‧‧‧ Third A/D conversion埠

84‧‧‧I ² C埠

85‧‧‧ UART埠

90‧‧‧Wireless Module

100‧‧‧Portable electronic devices

105‧‧‧ display

Claims (9)

An intelligent environment parameter networking, comprising: a first sensor for sensing particles in the air; an optoelectronic integration and amplifying circuit coupled to the first sensor, the The sensing signal of the sensor performs photoelectric integration and amplification; a second sensor is used to sense the temperature and humidity in the air; and a first conversion circuit is coupled to the second sensor, which can be The sensing signal of the second sensor performs serial conversion into an I ² C specification; a third sensor for sensing ultraviolet light in the air; and a fourth sensor for sensing the air a toxic gas; a second conversion circuit coupled to the fourth sensor, wherein the sensing signal of the fourth sensor is converted; a control unit coupled to the optoelectronic integration and amplification circuit, The first conversion circuit, the third sensor, and the second conversion circuit are corresponding to the signals sensed by the first sensor, the second sensor, the third sensor, and the fourth sensor. Control; and a wireless module, one end of which is coupled to the control unit, and the other end is wirelessly coupled a portable electronic device, wherein the signals sensed by the first sensor, the second sensor, the third sensor, and the fourth sensor are transmitted to the portable electronic device, and displayed on the portable electronic device The display of one of the portable electronic devices allows the user to clearly and quickly know the surrounding environmental conditions. The intelligent environment parameter network according to claim 1, wherein the control unit is a microcontroller, and further has a first A/D conversion port, a second A/D conversion port, A third A/D conversion port, an I ² C port, and a UART port. The intelligent environment parameter network according to claim 2, wherein the first sensor is a suspended particle sensor, and the first sensor is coupled to the amplifying circuit via the optoelectronic integration To the first A/D conversion 埠. The intelligent environment parameter network according to claim 2, wherein the second sensor is a temperature and humidity sensor, and the second sensor is coupled to the first conversion circuit via the first conversion circuit The I ² C埠. The intelligent environment parameter network according to claim 2, wherein the third sensor is an ultraviolet sensor, and the third sensor is coupled to the second A/D conversion port. The smart environment parameter network according to claim 2, wherein the fourth sensor is a smoke gas sensor, and the fourth sensor is coupled to the second conversion circuit via the second conversion circuit The third A/D conversion 埠. For example, the smart environment parameter of the second aspect of the invention is connected to the network, wherein the wireless module is a Bluetooth wireless module, and the wireless module is coupled to the control unit via the UART. For example, the smart environment parameter mentioned in claim 1 is connected to the network, wherein the portable electronic device is a smart phone. For example, the smart environment parameter of the first aspect of the invention is connected to the network, wherein the portable electronic device further has an application (APP), and the application can receive the first sensor and the second immediately. a signal sensed by the sensor, the third sensor, and the fourth sensor, and displayed on the display, and if the first sensor, the second sensor, the third sensor, and the fourth When the signal sensed by the sensor exceeds a preset value, the portable electronic device will send a warning signal to alert the user.