CN107726240A - A kind of intelligent lamp with detection indoor harmful gas function - Google Patents

Abstract

The present invention provides an intelligent lamp with the function of detecting indoor harmful gas, comprising: an intelligent lamp lighting body; a harmful gas detection module; an audible and visual alarm module; The linkage processing module that starts the exhaust fan in advance to discharge indoor harmful gases in time when in danger; the controller module used to coordinate the operation of the above modules; the harmful gas detection module detects the concentration of smoke and combustible gas in the indoor environment, and The detection results are sent to the controller module; when danger occurs, the controller module drives the sound and light alarm module to work, and at the same time starts the exhaust fan to discharge indoor harmful gases in time; in addition, the monitoring signal is sent to the client monitoring unit on the user's mobile phone. The invention combines the harmful gas detection device and the intelligent lamp, saves wiring, and can effectively avoid household gas poisoning, fire and the like.

Description

A smart lamp with the function of detecting indoor harmful gases

technical field

The invention relates to an intelligent lamp, in particular to an intelligent lamp capable of detecting indoor combustible gas, smoke and other harmful substances.

Background technique

With the rapid development of energy technology in today's society, various flammable, explosive or toxic gases are used more and more, and flammable and explosive gases exist in many places. As a clean energy, natural gas has entered many of our families, which brings convenience to our life and reduces a lot of pollution, but at the same time, these flammable and explosive gases also bring some safety hazards to our life. For example: we forget to close the valve of the natural gas tank due to negligence or the gas tank leaks, which can easily cause poisoning or fire or even explosion to the people in the house. Such tragedies are not uncommon, so it is particularly important to install flammable gas alarms and smoke alarms in our houses or kitchens.

The combustible gas alarm is a device that can safely and reliably detect the gas concentration on site. Through it, we can make early judgments on the change of gas concentration and take effective measures to prevent accidents. The same goes for smoke alarms.

However, flammable gas alarms and smoke alarms are rarely installed in ordinary families in real life. Tracing it to its cause, one is because the installation of alarm and wiring are all cumbersome, and the second is because the installation of alarm affects the overall appearance of the house. So few people will choose to sacrifice the beauty of the room and spend a lot of time to install an alarm in the kitchen. Even if a small number of people have installed it, the alarm only plays the role of an audible and visual alarm, and cannot be linked with other equipment such as windows, exhaust fans, etc. to take some remedial measures in time for accidents. Moreover, most combustible gas alarms and smoke alarms can only realize simple sound and light alarms, and there is no long-distance communication alarm function. When the owner of the house is not at home and a fire breaks out at home, the alarm is useless. It is not possible to send an alarm message to people outside the house so that remedial measures can be taken.

Contents of the invention

The technical problem to be solved by the present invention is to provide a home smart lamp integrating indoor harmful gas detection and intelligent lighting, which can effectively reduce indoor wiring, monitor the concentration of various indoor harmful gases and give an alarm in time.

In order to solve the above technical problems, the technical solution of the present invention is to provide an intelligent lamp with the function of detecting indoor harmful gases, which is characterized in that it includes:

The lighting body of the smart light used to realize the lighting function;

Harmful gas detection module for detecting smoke and combustible gas concentration in indoor environment;

Sound and light alarm module for realizing light alarm and sound alarm;

A communication alarm module used to enable users to monitor indoor conditions through mobile phone clients;

A linkage processing module that is used to pre-start the exhaust fan when the indoor harmful gas detection value exceeds the threshold, and discharge indoor harmful gas in time;

A controller module for coordinating the operation of the above-mentioned modules, processing and transmitting various signals;

The harmful gas detection module, sound and light alarm module, communication alarm module and linkage processing module are all connected to the controller module.

Preferably, the harmful gas detection module detects the concentration of smog and combustible gas in the indoor environment, and sends the detection result to the controller module; when the harmful gas detection module detects that the indoor harmful gas reaches the threshold concentration and causes danger, the control The controller module drives the sound and light alarm module to work, and sends alarm information to the indoor personnel through the flickering of sound and light; at the same time, the controller module drives the linkage processing module to work, starts the exhaust fan for emergency pretreatment, and discharges indoor harmful gases in time; in addition, the controller The module also sends the monitoring signal to the client monitoring unit on the user's mobile phone through the communication alarm module.

Preferably, the harmful gas detection module is an MQ-2 smoke sensor.

Preferably, the acousto-optic alarm module includes an LED flashing unit for realizing a light alarm and an audible alarm unit for realizing an audible alarm.

More preferably, the LED light flashing unit includes an LED driving circuit and an LED light, and the LED driving circuit is connected to the LED light and the controller module.

More preferably, the sound alarm unit is a buzzer, and the buzzer is connected to the controller module.

Preferably, the communication alarm module includes a WI-FI communication unit and a client monitoring unit on the user's mobile phone, and the controller module sends the monitoring signal to the client monitoring unit on the user's mobile phone through the WI-FI communication unit. WI-FI communication has the characteristics of long communication distance, strong anti-interference ability and high popularity of use. The alarm information is transmitted wirelessly through the WI-FI module. Through networking, users can immediately know the safety information of the family even if they are in other places.

Preferably, the linkage processing module includes a sequentially connected WI-FI module unit, an exhaust fan control module unit, and an exhaust fan. When the harmful gas detection module detects that the indoor harmful gas reaches a threshold concentration and causes danger, the controller module passes the WI-FI module The unit transmits the danger signal to the exhaust fan control module unit, and the exhaust fan control module unit drives the exhaust fan to work, performs emergency pretreatment, discharges indoor harmful gases in time, and reduces the probability of accidents as much as possible.

Preferably, the controller module is an STM32 controller.

Preferably, the harmful gas detection module, sound and light alarm module, and controller module are all integrated on the lighting body of the smart lamp, which avoids complicated and redundant wiring in the home and is more beautiful and generous.

Owing to adopting above-mentioned technical scheme, the present invention has following advantage and positive effect compared with prior art:

(1) The present invention implants an indoor harmful gas detection device into an ordinary household smart lamp, and combines the gas detection function and the lighting function together, which can effectively complex and redundant wiring of the family, and the installation is more convenient;

(2) In addition to the acousto-optic alarm by the LED itself, the present invention also adds a communication alarm mode that relies on the WI-FI module for remote communication. When a fire or other accidents occur at home, the user can You can immediately receive alarm information and know the family safety situation;

(3) In addition to applying a variety of alarm methods, the present invention also adds a linkage preprocessing function, which connects the controller to the exhaust fan motor. When accidents such as combustible gas leakage occur in the room, the linkage processing can reduce the indoor air temperature as much as possible. danger to personnel.

Description of drawings

Fig. 1 is the logical block diagram of the smart light with the function of detecting indoor harmful gases provided by the present embodiment;

Fig. 2 is a schematic structural diagram of a smart light with the function of detecting indoor harmful gases provided by this embodiment.

detailed description

Below in conjunction with specific embodiment, further illustrate the present invention.

Figure 1 and Figure 2 are the logic block diagram and structural diagram of the smart lamp with the function of detecting harmful gases in the room provided by this embodiment, respectively. Module 1, sound and light alarm module 2, communication alarm module 3, linkage processing module 4, controller module 5, etc. The harmful gas detection module 1, the sound and light alarm module 2, and the controller module 5 are all integrated on the lighting body of the smart lamp, and the harmful gas detection module 1, the sound and light alarm module 2, the communication alarm module 3, and the linkage processing module 4 are all integrated with the control The device module 5 is connected.

The harmful gas detection module 1 detects the concentration of smoke and combustible gas in the indoor environment through the MQ-2 smoke sensor, and sends the detection results to the controller module 5 .

The sound and light alarm module 2 includes an LED flashing unit and a sound alarm unit, and the sound alarm unit adopts a buzzer. When the harmful gas detection module 1 detects that the indoor harmful gas reaches a certain concentration and causes danger, the controller module 5 drives the sound and light alarm module 2 to work, and sends an alarm message to the indoor personnel through the flickering of sound and light.

Described communication alarm module 3 mainly comprises the client end of WI-FI communication unit and user's mobile phone, under the state that has network, controller module 5 sends signal to the client end of user's mobile phone by WI-FI communication unit, so that user Know what's going on inside.

The linkage processing module 4 includes a WI-FI module unit, an exhaust fan control module unit and an exhaust fan. When the harmful gas detection module 1 detects that the indoor harmful gas reaches a certain concentration and causes danger, the controller module 5 will pass the WI-FI module unit. The signal is transmitted to the exhaust fan control module unit, and when the exhaust fan control module unit receives the signal, it immediately turns on the switch of the exhaust fan to perform emergency pretreatment.

The controller module 5 mainly includes the STM32 controller and its internal control program, through which the controller coordinates the operation of each module, processes and transmits each signal.

Specifically, in this embodiment:

Hazardous gas detection module 1 adopts MQ-2 smoke sensor, and controller module 5 adopts STM32 controller. The MQ-2 smoke sensor has four pins, including VCC, GND, analog signal output pins and TTL high and low level output pins. Among them, the VCC and GND pins are connected to the driving power of the smart lighting main body, and the driving power provides a suitable working voltage for the MQ-2 smoke sensor; the TTL high and low level pins are connected to the IO port of the STM32 controller to adjust the MQ-2 smoke sensor. When the sensor reaches a suitable sensitivity, the TTL high and low level pins will send the information of whether the indoor harmful gas concentration reaches a dangerous value to the STM32 controller.

The sound and light alarm management module is mainly composed of LED drive circuit, LED light and buzzer. The LED drive circuit is connected to the IO port of the STM32 controller. When danger occurs, the STM32 controller transmits a certain frequency of high and low levels to the LED drive circuit through the IO port, and the LED light starts to flash to remind the indoor personnel; the principle of the buzzer is also Similarly, through the IO port of the STM32 controller, give the buzzer a certain frequency of high and low levels, and the buzzer will start to sound and send out an alarm signal to remind the indoor personnel.

The communication alarm module includes a WI-FI communication unit and a user mobile phone client. The WI-FI communication unit is connected to the STM32 controller, and the STM32 controller then transmits the signal to the WI-FI communication unit. Through the Internet, the WI-FI communication unit sends the signal to the APP client of the user's mobile phone in real time, informing the user of the current situation in the city. Whether the concentration of harmful gas exceeds the predetermined value and whether there is danger.

The linkage processing module mainly includes the exhaust fan control module unit, the exhaust fan and the WI-FI module unit respectively located at the exhaust fan control module unit end and the STM32 controller end. When the STM32 controller obtains a dangerous signal from the harmful gas detection unit, the STM32 controller sends a command through the WI-FI module unit on the STM32 controller side, and then transmits the command to the WI-FI module unit on the exhaust fan control module unit side through the network, and then sends the The command is transmitted to the exhaust fan control module unit, and then to control the disconnection of the exhaust fan motor, so as to take timely remedial measures when the indoor harmful gas reaches a dangerous value.

The controller module mainly coordinates and controls the functions of each module through the core controller STM32, and sends out different commands to control other modules in normal time and dangerous time to ensure the normal operation of each module function.

The working modes of the smart light provided in this embodiment during safe time and dangerous time are respectively introduced below.

First, adjust the sensitivity of the smoke sensor MQ-2 to an appropriate value, and then power on the main body of the smart light and the exhaust fan to ensure that they can work normally. Then install the App of the indoor harmful gas safety early warning system involved in the present invention in the user's mobile phone, and connect the WI-FI module at the main end of the smart light and the exhaust fan end to the network, and add these two devices in the App to ensure that the mobile phone The signal sent by WI-FI can be received normally, and each module is connected and running normally.

Working situation 1: Under normal conditions, that is, when it is safe, indoor smoke and harmful gases are absent or have not reached a dangerous concentration, the concentration of harmful gases detected by the smoke sensor MQ-2 cannot reach the set value, so Its TTL high and low level output pins are always in a high level state, so the controller STM32 is always in a detection state, and will not send control signals to the LED drive circuit and buzzer, and the LED light and buzzer are not working. But the controller will transmit a non-dangerous signal to the WI-FI module, and the exhaust fan is turned off and does not work. Through the network, the user's mobile phone App displays the non-dangerous information and the information that the exhaust fan is turned off.

Working situation 2: When the harmful gas leaks due to burning objects or flammable natural gas in the room, the concentration value of the harmful gas exceeds the dangerous concentration value set by the smoke sensor, and the TTL high and low level output terminals of the smoke sensor MQ-2 do not change. Then output a high level, and then send a low level to the controller because harmful gas is detected. The IO port of the controller STM32 receives a low level, because there is a pre-programmed program, the controller sends a certain frequency of high and low levels to the LED drive circuit and the buzzer, the LED light starts to flash, and the buzzer makes a sound. Alert people in the room. Secondly, the controller will also transmit the signal to the WI-FI module. When the controller of the exhaust fan receives the signal, it will also immediately turn on the exhaust fan through the programmed program to perform exhaust work, and the user's mobile phone App will also receive indoor There are danger signals and the message that the exhaust fan has been switched on, with which the user can take emergency measures to remedy the situation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form and in essence. Several improvements and supplements can be made, and these improvements and supplements should also be regarded as the protection scope of the present invention. Those who are familiar with this profession, without departing from the spirit and scope of the present invention, when they can use the technical content disclosed above to make some changes, modifications and equivalent changes of evolution, are all included in the present invention. Equivalent embodiments; at the same time, all changes, modifications and evolutions of any equivalent changes made to the above-mentioned embodiments according to the substantive technology of the present invention still belong to the scope of the technical solution of the present invention.

Claims (10)

1. A smart lamp with the function of detecting indoor harmful gases, characterized in that it comprises: The lighting body of the smart light used to realize the lighting function; A harmful gas detection module (1) for detecting the concentration of smog and combustible gas in the indoor environment; A sound and light alarm module (2) for realizing light alarm and sound alarm; A communication alarm module (3) for enabling users to monitor indoor conditions through a mobile phone client; A linkage processing module (4) used to pre-start the exhaust fan when the indoor harmful gas detection value exceeds the threshold, and discharge indoor harmful gas in time; A controller module (5) for coordinating the operation of the above-mentioned modules, processing and transmitting various signals; The harmful gas detection module (1), sound and light alarm module (2), communication alarm module (3) and linkage processing module (4) are all connected to the controller module (5). 2. A smart lamp with the function of detecting indoor harmful gases as claimed in claim 1, characterized in that: the harmful gas detection module (1) detects the concentration of smog and combustible gases in the indoor environment, and detects The result is sent to the controller module (5); when the harmful gas detection module (1) detects that the indoor harmful gas reaches the threshold concentration and is dangerous, the controller module (5) drives the sound and light alarm module (2) to work, and the sound and light The flickering will send an alarm message to the indoor personnel; at the same time, the controller module (5) will drive the linkage processing module (4) to work, start the exhaust fan for emergency pretreatment, and discharge indoor harmful gases in time; in addition, the controller module (5) will also monitor The signal is sent to the client monitoring unit on the user's mobile phone through the communication alarm module (3). 3. An intelligent lamp with the function of detecting indoor harmful gases according to claim 1, characterized in that: the harmful gas detection module (1) is an MQ-2 smoke sensor. 4. A kind of smart light with the function of detecting indoor harmful gases as claimed in claim 1, characterized in that: the sound and light alarm module (2) includes an LED light flashing unit for realizing light alarm and a unit for realizing sound Audible alarm unit for alarm. 5. A smart light with the function of detecting indoor harmful gases as claimed in claim 4, characterized in that: the LED light flashing unit includes an LED drive circuit and an LED light, and the LED drive circuit is connected to the LED light and the controller module (5). 6. The smart lamp with the function of detecting harmful gases in the room according to claim 4, characterized in that: the sound alarm unit is a buzzer, and the buzzer is connected to the controller module (5). 7. A kind of smart light with the function of detecting indoor harmful gases as claimed in claim 1, characterized in that: the communication alarm module (3) includes a WI-FI communication unit and a client monitoring unit on the user's mobile phone, which controls The monitor module (5) sends the monitoring signal to the client monitoring unit on the user's mobile phone through the WI-FI communication unit. 8. A smart light with the function of detecting indoor harmful gases according to claim 1, characterized in that: the linkage processing module (4) includes a WI-FI module unit, an exhaust fan control module unit and an exhaust fan connected in sequence, When the harmful gas detection module (1) detects that the indoor harmful gas reaches the threshold concentration and causes danger, the controller module (5) transmits the danger signal to the exhaust fan control module unit through the WI-FI module unit, and the exhaust fan control module unit drives the exhaust fan to work, Carry out emergency pretreatment to discharge indoor harmful gases in time. 9. An intelligent lamp with the function of detecting harmful gases in the room according to claim 1, characterized in that: the controller module (5) is an STM32 controller. 10. An intelligent lamp with the function of detecting indoor harmful gases according to claim 1, characterized in that: the harmful gas detection module (1), the sound and light alarm module (2), and the controller module (5) are all Integrated on the lighting body of the smart light.