阅读说明：本技术 防止天然气爆炸智能装置 (Intelligent device for preventing natural gas explosion ) 是由 王元知 于 2019-12-01 设计创作，主要内容包括：一种防止天然气爆炸智能装置包括固定架、微控制器、可燃气体检测器、放大器、电动机、套筒、外壳、齿轮、圆柱齿轮、摄像头、继电器、摄像头,从三个方面入手：在天然气开关搬动手柄上安装一个能自动“开”气“关”气的本设计。在天然气供气管道上安装一个能自动“开”气“关”气的本设计。把能自动“开”气“关”气的本设计装在天然气表计费里面,使天然气表计费具有计量和安全保障功能,把天然气爆炸事故降到接近零。(The utility model provides a prevent natural gas explosion intelligent device includes mount, microcontroller, combustible gas detector, amplifier, motor, sleeve, shell, gear, roller gear, camera, relay, camera, starts from three aspect: the design that the gas can be automatically turned on and off is arranged on the natural gas switch moving handle. The design that the gas can be automatically turned on and off is arranged on a natural gas supply pipeline. The design of automatic ' on ' gas ' and ' off ' gas is installed in the charging of natural gas meter, so that the charging of natural gas meter has the functions of metering and safety guarantee, and the natural gas explosion accident is reduced to be close to zero.)

1. An intelligent device for preventing natural gas explosion comprises a gas valve, a gas valve switch rotating shaft, a gas inlet and outlet pipe of natural gas and a power supply, wherein the power supply comprises a rechargeable power supply and other power supplies and is characterized by comprising a fixing frame and a microcontroller, the microcontroller comprises a CPUGPUNPU, a low-4-bit microprocessor, an AI processor, a combustible gas detector and an amplifier, the amplifier comprises a buffer amplifier power amplifier, a motor mandrel, a sleeve, a shell, a gear, a cylindrical gear, a camera, a relay, a camera and a microcontroller electric signal connection, the amplifier is connected with the microcontroller electric signal, the combustible gas detector is connected with the microcontroller, the amplifier is connected with a relay coil, a motor C wire is connected with a relay contact, the relay contact is connected with the relay contact, the power supply, The relay contact is connected with a D wire of the motor, the relay contact is connected with a plus pole B of the power supply, the relay contact is connected with a minus pole A of the power supply, the minus pole A of the power supply is connected with an earth point E of the amplifier, the relay is connected with the shell, the motor is connected with the shell, a motor mandrel is connected with the sleeve, the sleeve is connected with a gas valve switch rotating shaft, the gas valve switch rotating shaft is connected with the gas valve, the gas valve is connected with a gas inlet and outlet pipe, a gear is connected with the gas valve switch rotating shaft, the gear is connected with a cylindrical gear, the cylindrical gear is connected with a mandrel of the motor, and the power supply is connected with.

2. The intelligent natural gas explosion prevention device according to claim 1, which comprises a display, wherein the display comprises a LEDLCDOLED, a time adjustment button, the time adjustment button comprises a touch switch inductive switch membrane switch common button, a sound pickup, the sound pickup comprises an A/D converter, a WI-FI and a Bluetooth, the audio signal of a sound pickup audio amplifier is processed into digital information, the time adjustment button is electrically connected with the microcontroller, the display is electrically connected with the microcontroller, the sound pickup is electrically connected with the microcontroller, the WI-FI is electrically connected with the microcontroller, and the Bluetooth is electrically connected with the microcontroller.

3. The intelligent device for preventing natural gas explosion as claimed in claim 2, which comprises an electromagnetic gas valve, a second relay, a silicon controlled rectifier, a movable rod, a rotating head, an amplifier, a silicon controlled rectifier, a thyristor, a second relay coil, a second relay contact, a power supply, a shell, a camera, a rotating head, a shell and a gas inlet and outlet pipe.

4. The intelligent device for preventing natural gas explosion according to claim 3, which comprises an internal electromagnetic valve of an automatic charging natural gas meter, an external shell of the automatic charging natural gas meter, an electromagnetic gas valve connected with the external shell of the automatic charging natural gas meter, an internal electromagnetic valve of the automatic charging natural gas meter connected with an amplifier, an internal electromagnetic valve of the automatic charging weather gas meter connected with a second relay contact, a power supply connected with the second relay contact, a second relay connected with the external shell of the automatic charging natural gas meter, an internal electromagnetic valve of the automatic charging natural gas meter connected with a silicon controlled rectifier, an internal electromagnetic valve of the automatic charging natural gas meter connected with a gas inlet and outlet pipe, an internal electromagnetic valve of the automatic charging natural gas meter connected with the electromagnetic gas valve, and a rotating head connected with the external shell of the automatic charging natural gas.

5. The intelligent device for preventing natural gas explosion as claimed in claim 4, wherein the intelligent device comprises a loudspeaker and an acoustic amplifier, the loudspeaker is connected with the acoustic amplifier, the acoustic amplifier is electrically connected with the microcontroller, the loudspeaker is connected with the shell, and the loudspeaker is connected with the shell of the automatic charging natural gas meter.

Technical Field

The invention relates to a natural gas switching device, in particular to an intelligent device for preventing natural gas explosion.

Background

The existing kitchen natural gas has the metering function of automatically closing the natural gas after the pre-stored amount is used up, and the remaining natural gas is manually switched on and off, so that the kitchen natural gas can cause casualty accidents caused by house explosion.

Disclosure of Invention

Aiming at the fact that the safety of natural gas is completely guaranteed by people, the memory of people, particularly old people, is reduced, and young people are busy and unsmooth, and accidents are difficult to avoid, the invention proposes to use the existing mature technology to participate in the management of the gas consumption of the natural gas in a kitchen. The method starts from three aspects: 1. the invention is characterized in that a natural gas switch moving handle is provided with a device capable of automatically turning on and off gas. 2. The invention is characterized in that the natural gas supply pipeline is provided with the automatic ' on ' gas ' and ' off ' gas. 3. The invention which can automatically turn on and off the gas is arranged in the automatic charging natural gas meter, so that the automatic charging natural gas meter has the functions of metering and safety guarantee, and natural gas explosion accidents are reduced to be close to zero.

The invention adopts the following technical scheme that the gas valve comprises a gas valve, a gas valve switch rotating shaft, a gas inlet and outlet pipe and a power supply, wherein the power supply comprises a rechargeable power supply and other power supplies, and is characterized by comprising a fixed frame and a microcontroller, wherein the microcontroller comprises a CPUGPUNPU (compact peripheral component interconnect network) and a low-4-bit microprocessor and AI (analog to digital) processor, a combustible gas detector and an amplifier, the amplifier comprises a buffer amplifier power amplifier, a motor mandrel, a sleeve, a shell, a gear, a cylindrical gear, a camera, a relay, a camera and microcontroller electrical signals, the amplifier is connected with the microcontroller electrical signals, the combustible gas detector is connected with the microcontroller, the amplifier is connected with a relay coil, a motor C wire is connected with a relay contact, the relay contact is connected with a relay contact, a relay contact II is connected with a plus pole B of a power supply, a relay contact II is connected with a minus pole A of the power supply, a power supply 18 is connected with an amplifier grounding point E, a relay is connected with a shell, a motor is connected with the shell, a motor mandrel is connected with a sleeve, the sleeve is connected with a gas valve switch rotating shaft, the gas valve switch rotating shaft is connected with a gas valve, the gas valve is connected with a gas inlet and outlet pipe, a gear is connected with the gas valve switch rotating shaft, the gear is connected with a cylindrical gear, the cylindrical gear is connected with the mandrel of the motor, the power supply is connected with a microcontroller through electric signals, a power supply,

When the kitchen combustible gas reaches a certain concentration, the combustible gas detector outputs a '0' or '1' to the microcontroller, the camera firstly finds that no fire burns, the microcontroller knows that the gas valve is open, the microcontroller outputs a '0' or '1' signal for closing the gas valve to the amplifier, the amplifier stops supplying power to the relay coil, the relay contact (II) automatically returns to the initial connection state of the contact (I), the relay contact (III) automatically returns to the initial connection state of the contact (IV), and the motor reversely rotates to close the gas valve, so that the natural gas is not available. 6 when the air valve is rotated to the closing position and the opening position by the motor, the current of the motor is suddenly increased, the microcontroller detects the current instantly, the microcontroller outputs an instruction to immediately close the power supply to the contact of the relay, and the power supply to the contact of the relay is switched on when the natural gas is required to be supplied. The invention must be provided with a rechargeable power supply to keep the power available at all times. A set of springs may also be designed to provide automatic closing of the valve assembly in the absence of electricity.

The air valve is closed by two detection means, and the main advantage is that the reliability of the invention is improved.

The invention uses two types of switch air valve design schemes: the sleeve is connected with a motor spindle, and the power of the motor is larger; secondly, the gear is connected with the cylindrical gear and the cylindrical gear is connected with the mandrel of the motor, so that the power of the motor is small.

When the power supply is designed, the output end of the power supply is controlled by the microcontroller, namely, the power supply can be supplied to the outside or can be disconnected.

All circuit components are required to be manufactured on a printed board and sealed in a shell, and the shell must be completely sealed.

The improved time-adjustable LED display comprises a display, wherein the display comprises an LED LCD display, a time-adjustable button comprises a touch switch inductive switch film switch common button, a sound pick-up, the sound pick-up comprises an A/D converter for processing an audio signal of a sound pick-up audio amplifier into digital information, WI-FI, Bluetooth and the time-adjustable button is connected with an electric signal of a microcontroller, the display is connected with an electric signal of the microcontroller, the sound pick-up is connected with an electric signal of the microcontroller, the WI-FI is connected with an electric signal of the microcontroller, the Bluetooth is connected with an electric signal of the microcontroller, and the Bluetooth is connected with the electric signal of the microcontroller,

The invention is wirelessly connected with a mobile phone computer by WI-FI Bluetooth, the mobile phone computer can see images and hear sound, can control an air valve and can be connected 110119120, for example, when the heart cerebrovascular disease falls down suddenly in the cooking process, a microcontroller can immediately close the air, simultaneously dial 120 and a relative telephone, and the relative can see video and hear sound on APP.

The time adjustment button and the display are provided for people who cannot use the mobile phone APP to set and adjust the air supply and air supply cut-off time, and the time adjustment button and the display are also another technical measure for preventing people who suddenly suffer from cardiovascular and cerebrovascular diseases and go out after falling down or forgetting to turn off the air, avoiding long-time combustion of the furnace, enabling natural gas to be combusted only in a limited time and avoiding fire disasters.

An input/output interface circuit IC can be added on the periphery of the microcontroller to meet the requirement of external access data.

The invention is further improved by comprising an electromagnetic air valve, a second relay, a silicon controlled rectifier, a movable rod, a rotating head, an electromagnetic air valve, an amplifier, a silicon controlled rectifier, an electromagnetic air valve, a second relay coil, an amplifier, a second relay contact, a power supply, a second relay contact, a silicon controlled rectifier, an electromagnetic air valve, a shell, a movable rod, a rotating head, a shell, a gas inlet and outlet pipe, wherein the electromagnetic air valve is connected with the amplifier, the silicon controlled rectifier is connected with the power supply, the electromagnetic air valve is connected with the shell, the movable rod is connected with the camera, the rotating head is connected with the movable rod, the rotating head is connected with the,

The part is mainly added with an electromagnetic gas valve, and the invention is connected in series in a natural gas pipeline through the electromagnetic gas valve. The visual angle of the camera can be adjusted to be optimal by the movable rod rotating head.

The invention is further improved by comprising an automatic charging natural gas meter inner electromagnetic valve, an automatic charging natural gas meter outer shell, an electromagnetic gas valve connected with the automatic charging natural gas meter outer shell, an automatic charging natural gas meter inner electromagnetic valve connected with an amplifier, an automatic charging natural gas meter inner electromagnetic valve connected with a second relay contact, a power supply connected with the second relay contact, a second relay connected with the automatic charging natural gas meter outer shell, an automatic charging natural gas meter inner electromagnetic valve connected with a silicon controlled rectifier, an automatic charging natural gas meter inner electromagnetic valve connected with a natural gas inlet and outlet pipe, an automatic charging natural gas meter inner electromagnetic valve connected with the electromagnetic gas valve, a rotating head connected with the automatic charging natural gas meter outer shell, a gas outlet and inlet pipe connected with the automatic charging natural gas meter outer shell, a gas outlet,

The design of this part is that the present invention is installed in the automatic charging natural gas meter, so that the automatic charging natural gas meter is not only a metering tool, but also a gas safety monitor. The invention is divided into two design schemes: the scheme is that an electromagnetic gas valve is connected with an electromagnetic valve in an automatic charging natural gas meter in series, and the electromagnetic valve are controlled respectively and do not influence each other; the output end of the amplifier, the output end of the controlled silicon and the second relay contact are connected with the control end of the electromagnetic valve in the automatic charging natural gas meter, certainly, a two-input OR gate is preferably added in the circuit, the output end of the two-input OR gate is connected with the control end of the electromagnetic valve in the automatic charging natural gas meter through an electric signal, enough power is required to be output, and one input end of the two-input OR gate is originally connected with one input end of the invention.

The movable bar is to optimize the viewing angle as much as possible.

The invention is further improved by comprising a loudspeaker, a sound amplifier, a microcontroller, a loudspeaker, a shell, an automatic charging natural gas meter, a power supply,

this is provided for the kitchen to interact with the mobile computer user's voice.

The acoustic amplifier includes a digital-to-analog D/A converter and an amplifier.

The invention has the following advantages:

1. the invention has three installation modes and can meet the requirements of different users.

2. The invention enables the natural gas automatic billing meter to have an intelligent safety function, which is a development trend of the natural gas automatic billing meter.

3. The invention provides intelligent safety of gas utilization for solitary old people and careless crowds, can avoid a plurality of fire accidents, reduces casualties and has high social benefit.

4. The invention can be laid on a bed, can remotely and regularly close and close natural gas in a kitchen at any time, and is convenient to reach the utmost point.

5. The invention can remotely check kitchen images and hear kitchen sound, and can communicate with relatives, videos and voices far away from thousands of miles in a kitchen.

6. The invention can remotely rescue kitchen accidents, is good news for the old, the weak, the sick and the young,

the invention provides powerful technical support for the upgrading and market expanding of kitchen supplies enterprises.

Drawings

1. Fig. 1 fig. 2 is a schematic view of the present invention in connection with a natural gas hand switch.

2. Fig. 3, fig. 5 and fig. 7 are schematic structural diagrams of the present invention connected in series to a gas supply pipeline and simultaneously timed with an original natural gas switch.

3. Fig. 9, fig. 11, fig. 12 are schematic structural diagrams of the present invention integrated with an automatic natural gas meter.

4. FIG. 10 is a schematic diagram of the voice communication structure of the present invention.

5. Fig. 4, fig. 6, fig. 8 are schematic diagrams of the circuit for controlling the power on and off of the motor according to the present invention.

Detailed Description

As shown in fig. 1 and fig. 2, the gas valve switch comprises a gas valve 13, a gas valve switch rotating shaft 12, a gas inlet and outlet pipe 14 for natural gas, a power supply 18, wherein the power supply 18 comprises a chargeable power supply and other power supplies, and is characterized by comprising a fixed frame 1, a microcontroller 17, the microcontroller 17 comprises a CPUGPUNPU and a low-4-bit microprocessor and AI processor, a gas detector 27 for natural gas, an amplifier 7, the amplifier 7 comprises a buffer amplifier power amplifier, a motor 9, a motor mandrel 10, a sleeve 11, a shell 15, a gear 29, a cylindrical gear 30, a camera 6, a relay 31, an electric signal connection of the camera 6 and the microcontroller 17, the amplifier 7 and the microcontroller 17 are connected by electric signals, the gas detector 27 and the microcontroller 17 are connected by the amplifier 7 and a coil of the relay 31, a wire of the motor 9C is connected with a contact of the relay 31, a contact of the relay 31 is connected with a, A relay 31 contact connected with a relay 31 contact, the relay 31 contact connected with a motor 9D line, the relay 31 contact connected with a power supply 18 '+' pole B, the relay 31 contact connected with a power supply 18 '-' pole A, the power supply 18 '-' pole A connected with an amplifier 7 earth point E, the relay 31 connected with a shell 15, the motor 9 connected with the shell 15, a motor core shaft 10 connected with a sleeve 11, the sleeve 11 connected with a gas valve switch rotating shaft 12, the gas valve switch rotating shaft 12 connected with a gas valve 13, the gas valve 13 connected with a gas inlet and outlet pipe 14, a gear 29 connected with the gas valve switch rotating shaft 12, the gear 29 connected with a cylindrical gear 30, the cylindrical gear 30 connected with a core shaft of the motor 9, the power supply 18 connected with a microcontroller 17 electric signal,

When the kitchen combustible gas reaches a certain concentration, the combustible gas detector 27 outputs a '0' or '1' to the microcontroller 17, the camera 6 firstly finds that no fire is burnt, the microcontroller 17 knows that the gas valve 13 is open, the microcontroller 17 outputs a '0' or '1' signal for closing the gas valve 13 to the amplifier 7, the amplifier 7 stops supplying power to the coil of the relay 31, the contact of the relay 31 automatically returns to the initial connection state of the contact (r), the motor 9 reversely rotates to close the gas valve 13, and the natural gas does not exist.

When the motor 9 rotates the gas valve 13 to the closed position and rotates the gas valve to the open position, the current of the motor is suddenly increased, the microcontroller 17 detects the current instantly, the microcontroller 17 outputs a command to immediately close the power supply to the contact of the relay 31, and the power supply to the contact of the relay 31 is switched on when the natural gas supply is needed. The invention must be provided with a rechargeable power supply to keep the power available at all times. A set of springs may also be designed to provide a means for automatically closing the gas valve 13 in the absence of electricity.

The gas valve 13 is closed by two detection means, and the main advantage is that the reliability of the invention is improved.

The invention uses two types of design schemes of the switch air valve 13: the sleeve 11 is connected with the spindle of the motor, and the power of the motor 9 is larger; secondly, the gear 29 is connected with the cylindrical gear 30, the cylindrical gear 30 is connected with the spindle of the motor, and the power of the motor 9 is small.

The power supply 18 is designed so that the power supply output is controlled by the microcontroller 17, i.e. the power can be supplied to the outside, or the motor can be disconnected from supplying power to the motor, as shown in fig. 4, 6 and 8.

All circuit components are manufactured on a printed board and sealed in the shell 15, and the shell 15 must be completely sealed.

As shown in fig. 1, fig. 2, fig. 3, fig. 5, fig. 6, fig. 7, fig. 11 and fig. 12, the display 2 is included, the display 2 includes a led lcd, a time adjustment button 3, the time adjustment button 3 includes a touch switch inductive switch membrane switch ordinary button, a sound pickup 5, the sound pickup 5 includes an a/D converter for processing audio signals of an audio amplifier of the sound pickup 5 into digital information, WI-FI20, bluetooth 21, the time adjustment button 3 is electrically connected with a microcontroller 17, the display 2 is electrically connected with the microcontroller 17, the sound pickup 5 is electrically connected with the microcontroller 17, WI-FI20 is electrically connected with the microcontroller 17, bluetooth 21 is electrically connected with the microcontroller 17, a microphone 2 is electrically connected with a microphone 17, a microphone 2 is electrically connected with a microcontroller 17,

The invention is wirelessly connected with a mobile phone computer by WI-FI20 Bluetooth 21, the mobile phone computer can see images and hear sound, can control an air valve 13 and can be connected with a switch 110119120, for example, when a patient suddenly suffers from cardiovascular and cerebrovascular diseases during cooking, a microcontroller 17 can immediately turn off the air, and simultaneously dial 120 and a relative telephone, and the relative can see video and hear sound on an APP.

The time adjustment button 3 and the display 2 are provided for people who cannot use the mobile phone APP to set and adjust the air supply and air supply cut-off time, and the time adjustment button is also another technical measure for preventing people who suddenly suffer from cardiovascular and cerebrovascular diseases from falling down or going out after forgetting to turn off the air, so that the furnace is prevented from burning for a long time, natural gas can only burn in a limited time, and a fire disaster is avoided.

An input/output interface circuit IC can be added on the periphery of the microcontroller 17 to meet the requirement of external access data.

Referring to fig. 3, fig. 5, fig. 7, fig. 9, fig. 11 and fig. 12, the device comprises an electromagnetic air valve 16, a second relay 19, a controlled silicon 28, a movable rod 25, a rotary head 26, wherein the electromagnetic air valve 16 is connected with an amplifier 7, the controlled silicon 28 is connected with the amplifier 7, the electromagnetic air valve 16 is connected with the controlled silicon 28, a coil of the second relay 19 is connected with the amplifier 7, the electromagnetic air valve 16 is connected with a contact of the second relay 19, a power source 18 is connected with a contact of the second relay 19, the controlled silicon 28 is connected with the power source 18, the electromagnetic air valve 16 is connected with a shell 15, the movable rod 25 is connected with a camera 6, the rotary head 26 is connected with the movable rod 25, the rotary head 26 is connected with the shell 15, the electromagnetic air valve 16 is,

The electromagnetic gas valve 16 is added in the part, and the invention is connected in series in a natural gas pipeline through the electromagnetic gas valve 16. The movable rod 25 rotates the head 26 to make the view angle of the camera 6 adjustable to the best.

As shown in fig. 6, fig. 8 and fig. 9, the automatic charging natural gas meter comprises an automatic charging natural gas meter inner electromagnetic valve 22, an automatic charging natural gas meter outer shell 23, an electromagnetic gas valve 16 connected with the automatic charging natural gas meter outer shell 23, an automatic charging natural gas meter inner electromagnetic valve 22 connected with an amplifier 7, an automatic charging natural gas meter inner electromagnetic valve 22 connected with a second relay 19 contact, a power supply 18 connected with a second relay 19 contact, a second relay 19 connected with the automatic charging natural gas meter outer shell 23, an automatic charging natural gas meter inner electromagnetic valve 22 connected with a silicon controlled rectifier 28, an automatic charging natural gas meter inner electromagnetic valve 22 connected with a gas inlet and outlet pipe 14, an automatic charging natural gas meter inner electromagnetic valve 22 connected with the electromagnetic gas valve 16, a rotary head 26 connected with the automatic charging natural gas meter outer shell 23, and 5

The design of this part is that the present invention is installed in the automatic charging natural gas meter, so that the automatic charging natural gas meter is not only a metering tool, but also a gas safety monitor. The invention is divided into two design schemes: firstly, the electromagnetic air valve 16 is connected with the electromagnetic valve 22 in the automatic charging natural gas meter in series, and each control is independent from each other; the second scheme is that the output end of the amplifier, the output end of the controllable silicon 28 and the contact of the second relay 19 are connected with the control end of the electromagnetic valve 22 in the automatic charging natural gas meter, certainly, a two-input OR gate is preferably added in the circuit, the output end of the two-input OR gate is connected with the control end of the electromagnetic valve 22 in the automatic charging natural gas meter through electric signals, enough power is required to be output, and one input end of the two-input OR gate is originally connected with one input end of the automatic charging natural gas meter.

The movable bar 25 is optimized for the viewing angle as much as possible.

As shown in figure 10, comprises a loudspeaker 32, an audio amplifier 33, a loudspeaker 32 connected with the audio amplifier 33, the audio amplifier 33 electrically connected with the microcontroller 17, the loudspeaker 32 connected with the shell 15, the loudspeaker 32 connected with the shell 23 of the automatic charging natural gas meter,

This is provided for the kitchen to interact with the mobile computer user's voice.

The acoustic amplifier 33 includes a digital-to-analog D/a conversion and an amplifier.

The output of the "+" pole B of the power supply 18 can be designed by referring to the schematic diagrams of fig. 4, 6 and 8, and the power supply time of the motor 9 can be controlled by adding any one mode of a triode 35 of a third relay 34 of a thyristor 28 in the schematic diagrams of fig. 4, 6 and 8 between a D line of the motor 9 and a contact point of the relay.

The invention is not limited to the specific structure of the above embodiments, and other equivalent structures may fall within the scope of the invention.