CN210666405U

CN210666405U - Gas safety control device

Info

Publication number: CN210666405U
Application number: CN201921540215.7U
Authority: CN
Inventors: 朱达峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-02
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a gas safety control device, including gas main switch of registering one's residence, the gas table, gas table outlet duct, normally closed gas solenoid valve, first wire, a power plug, the trachea, gas appliances, integrated circuit controller assembly, gas main switch of registering one's residence is installed on a gas pipe of registering one's residence, the one end and the gas table of gas pipe of registering one's residence are connected, the gas table is connected with the one end of gas table outlet duct, the other end and the normally closed gas solenoid valve of gas table outlet duct are connected, be connected through first wire between normally closed gas solenoid valve and the first power plug, normally closed gas solenoid valve and gas appliances pass through the trachea and connect. And the integrated circuit controller assembly is connected with the normally closed gas electromagnetic valve. The utility model discloses the reaction is sensitive, the performance is higher, safe and reliable.

Description

Gas safety control device

Technical Field

The utility model relates to a safety control device especially relates to a gas safety control device.

Background

It was reported that in 2017, news 680 from indoor gas explosion deflagration caused a total of 90 deaths and 1040 injuries. 2018, news on gas explosion was 390 in the last half, where news on indoor gas explosion was 263 and news on outdoor gas leakage and explosion was 127. Resulting in the death of 28 people, the injury of 371 people and the difficulty in counting property loss. The accident causes are mainly as follows: in the use process, the valve is forgotten to be closed, gas is leaked, improper use and external high temperature causes gas to catch fire. At present, the existing gas timing valve on the market can only time, but cannot solve the problems of leakage and high temperature; there is also a gas leakage alarm, which can only alarm but cannot close in time; and the device for closing the valve through the mobile phone needs to be operated manually and continuously, so that the valve is easy to be closed. And a normally open safety valve can not work once the power is off, and the safety hazard can be caused in a normally open state. The existing safety device for gas use mainly represents a single control mode, and once problems occur, such as pipeline blockage, controller jamming or power failure, danger cannot be effectively controlled. Although the gas accidents occur in a low rate every year in China, once the gas accidents involve individuals, the consequences are not imaginable, and even disasters are brought to others.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gas safety control device is provided, its reaction is sensitive, the performance is higher, safe and reliable.

The utility model discloses a solve above-mentioned technical problem through following technical scheme: a gas safety control device is characterized by comprising a gas inlet main switch, a gas meter gas outlet pipe, a normally closed gas electromagnetic valve, a first lead, a first power plug, a gas pipe, gas equipment and an integrated circuit controller assembly, wherein the gas inlet main switch is installed on a gas inlet pipe;

the integrated circuit controller assembly comprises a second microprocessor assembly, a first buzzer, an adjustable timer, a second temperature sensor, a second combustible gas concentration sensor and a reserved interface, the first buzzer, the adjustable timer, the second temperature sensor, the second combustible gas concentration sensor and the reserved interface are connected with the second microprocessor assembly, and the integrated circuit controller assembly is connected with the normally closed gas electromagnetic valve.

Preferably, the reserved interface is a dry battery interface or a mobile concentration detector interface.

Preferably, an electromagnetic valve controller assembly is connected between the integrated circuit controller assembly and the normally closed gas electromagnetic valve; the electromagnetic valve control assembly comprises a first microprocessor assembly, a first combustible gas concentration sensor, a first temperature sensor and a reserved dry battery interface, wherein the first combustible gas concentration sensor, the first temperature sensor and the reserved dry battery interface are all connected with the first microprocessor assembly;

the second microprocessor assembly is connected with the mobile phone APP through the background server, and the first microprocessor assembly is in wireless connection with the second microprocessor assembly.

Preferably, the integrated circuit controller assembly is connected with an auxiliary sensor assembly through a second microprocessor assembly; the auxiliary sensor assembly comprises a third microprocessor assembly, a third temperature sensor, a third combustible gas concentration sensor and a second buzzer, the third temperature sensor, the third combustible gas concentration sensor and the second buzzer are all connected with the third microprocessor assembly, and the third microprocessor assembly is in wireless connection with the second microprocessor assembly.

Preferably, the reserved interface is connected with a dry battery.

Preferably, the reserved interface is connected with a mobile concentration detector.

The utility model discloses an actively advance the effect and lie in: the utility model discloses reaction sensitivity, higher, the safe and reliable's of performance normally closed gas solenoid valve are assisted with sensitive concentration and temperature sensor, through the pre-program setting, in case take place concentration or dangerous situations such as the temperature exceeds standard, the air supply is just closed to the very first time, stops artificial error. Through time setting, the operation such as cooking of convenience of customers is cooked, controls the gas and closes in non-gas period simultaneously. If the power is off, the normally closed gas electromagnetic valve can be closed, all dangerous factors are stopped anytime and anywhere, personal and property safety is ensured, and users can pay attention to gas safety conditions at any time by adding a wireless mobile phone connection function.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic structural diagram of an embodiment of the present invention

FIG. 3 is a schematic structural diagram of another embodiment of the present invention

FIG. 4 is a schematic structural diagram of another embodiment of the present invention

Fig. 5 is the structure diagram of the integrated circuit controller assembly, the second power plug and the mobile phone APP of the present invention.

FIG. 6 is a schematic structural view of the middle auxiliary inductor assembly and the third power plug

FIG. 7 is a schematic structural view of the middle mobile concentration detector of the present invention

FIG. 8 is a schematic diagram of a first microprocessor assembly according to the present invention

FIG. 9 is a diagram of a second microprocessor assembly according to the present invention

FIG. 10 is a diagram of a third microprocessor assembly according to the present invention

In FIGS. 1-7: 1. a gas service pipe; 2. a gas service main switch; 3. a gas meter; 4. a gas outlet pipe of the gas meter; 5. normally closing the gas electromagnetic valve; 6. a solenoid valve controller assembly; 7. a first conductive line; 8. reserving an interface; a first power plug; 10. an air tube; 11. a gas using device; 12. a first microprocessor assembly; 13. a first combustible gas concentration sensor; 14. a first temperature sensor; 17. an integrated circuit controller assembly; 18. a background server; 19. a mobile phone APP; 20. a second conductive line; 21. a second power plug; 22. a first buzzer; 23. a timer; 24. reserving a dry battery interface; 25. a second temperature sensor; 26. a second combustible gas concentration sensor; 27. a second microprocessor assembly; 30. an auxiliary inductor assembly; 31. a third conductive line; 32. a third power plug; a third temperature sensor; 34. a third combustible gas concentration sensor; 36. a third microprocessor assembly; 37. a second buzzer; 38. reserving a mobile concentration detector; 39. a connector tab; a fourth conductive line; 41. a base; 42. a fourth combustible gas concentration sensor; 43. a dry cell is provided.

In fig. 8: 102. a first microprocessor; 103. a combustible gas detection circuit I; 104, NTC temperature measuring circuit I; a voltage reduction circuit I for converting 105.12V-24V into DC 5V; 106. a first voltage reduction circuit for converting direct current 5V into 3.3V; 107.2.4G Wireless Module Circuit one; a MOS drive solenoid valve circuit; 109. a first power adapter; 110. and a first program downloading interface.

In fig. 9: 112. a second microprocessor; 113. a combustible gas detection circuit II; 114, an NTC temperature measuring circuit II; a voltage reduction circuit II for converting 115.12V-24V into direct current 5V; 116. a second voltage reduction circuit for converting the direct current 5V into the 3.3V; 117.2.4G Wireless Module Circuit II; WIFI module circuitry; 119. a second power adapter; 120, a second program downloading interface; 121. liquid crystal screen driving, display and backlight driving circuits; 122. a buzzer and a driving circuit II; 123. touch key input, a lamp and a driving circuit; 124. a real time clock circuit.

In fig. 10: 126. a third microprocessor; 127. a combustible gas detection circuit III; 128, NTC temperature measuring circuit III; a third voltage reduction circuit for converting 129.12V-24V into direct current 5V; 130. a third voltage reduction circuit for converting direct current 5V into 3.3V; 131.2.4G wireless module circuit three; 132. a third power adapter; 133. a third program downloading interface; 134, buzzer and driving circuit three.

Detailed Description

The following provides three embodiments of the present invention with reference to the drawings to explain the technical solutions of the present invention in detail. As shown in fig. 1 to 10:

example (b): the utility model discloses gas safety control device includes gas main switch 2 of entering one's residence, gas table 3, gas table outlet duct 4, normally closed gas solenoid valve 5, first wire 7, first power plug 9, trachea 10, gas using equipment 11, integrated circuit controller assembly 17, gas main switch 2 of entering one's residence is installed on a gas pipe 1 of entering one's residence, one end of gas pipe 1 of entering one's residence is connected with gas table 3, gas table 3 is connected with one end of gas table outlet duct 4, the other end of gas table outlet duct 4 is connected with normally closed gas solenoid valve 5, connect through first wire between normally closed gas solenoid valve 5 and the first power plug 9, normally closed gas solenoid valve 5 and gas using equipment 11 are connected through the trachea; the integrated circuit controller assembly 17 comprises a second microprocessor assembly 27, a first buzzer 22, an adjustable timer 23, a second temperature sensor 25, a second combustible gas concentration sensor 26 and a reserved interface 8, the first buzzer 22, the adjustable timer 23, the second temperature sensor 25, the second combustible gas concentration sensor 26 and the reserved interface 8 are all connected with the second microprocessor assembly 27, and the integrated circuit controller assembly 17 is connected with the normally closed gas electromagnetic valve 5.

Fig. 2 shows a basic solution of the present invention, i.e. without the background server 18, the mobile phone APP19, the auxiliary sensor assembly 30 and the solenoid valve controller assembly 6. The integrated circuit controller assembly 17 is directly connected with the normally closed gas electromagnetic valve 5, and is connected with the normally closed gas electromagnetic valve 5 through an electric wire to directly control the opening and closing of the electromagnetic valve.

The reserved interface 8 can be connected with a dry battery.

As another embodiment, preferably, the integrated circuit controller assembly 17 may be connected with the solenoid valve controller assembly 6 between the normally closed gas solenoid valve 5; the electromagnetic valve control assembly 6 comprises a first microprocessor assembly 12, a first combustible gas concentration sensor 13, a first temperature sensor 14 and a reserved dry battery interface 24, wherein the first combustible gas concentration sensor 13, the first temperature sensor 14 and the reserved dry battery interface 24 are all connected with the first microprocessor assembly 12; the second microprocessor assembly 27 is connected with the mobile phone APP19 through the background server 18, and the first microprocessor assembly 12 is wirelessly connected with the second microprocessor assembly 27. The integrated circuit controller assembly 17 is wirelessly connected to a mobile phone, which facilitates control.

The reserve interface 8 may in this embodiment be connected to a mobile concentration detector. Reserved interface 8 is connected with removal concentration detector 38, and removal concentration detector 38 includes connector joint 39, fourth wire 40, base 41, fourth combustible gas concentration sensor 42, passes through fourth wire 40 between connector joint 39 and the base 41 and connects, and fourth combustible gas concentration sensor 42 is installed on base 41.

As a further embodiment, the integrated circuit controller assembly 17 may be connected to an auxiliary sensor assembly 30 via a second microprocessor assembly 27; the auxiliary sensor assembly 30 comprises a third microprocessor assembly 36, a third temperature sensor 33, a third combustible gas concentration sensor 34 and a second buzzer 37, wherein the third temperature sensor 33, the third combustible gas concentration sensor 34 and the second buzzer 37 are all connected with the third microprocessor assembly 36, and the third microprocessor assembly 36 is in wireless connection with the second microprocessor assembly 27.

The first microprocessor assembly 12 is composed of a first voltage reduction circuit 105 converting 12V-24V into direct current and 5V, a first voltage reduction circuit 106 converting direct current and 5V into 3.3V, a MOS driving electromagnetic valve circuit 108, a first combustible gas detection circuit 103, a first 2.4G wireless receiving module circuit 107, a first NTC temperature measurement circuit 104, a first microprocessor 102 and a first program downloading interface 110. The voltage is converted into 5V through a 12V-24V to direct current 5V voltage reduction circuit I105, and an LED lamp indicates to supply power to the whole board; the direct current 5V is converted into 3.3V through the LDO linear voltage reduction conversion chip to supply power to the 2.4G wireless receiving module; according to the characteristic that the normally closed electromagnetic valve needs large voltage when opened and only needs small voltage when kept opened, the microprocessor adopts a PWM (pulse width modulation) technology, and controls the voltage at two ends of the coil by controlling the time length proportion of the opening and closing of the electromagnetic valve through the MOS (metal oxide semiconductor) tube driving circuit, so that the normally closed electromagnetic valve is controlled to be opened and closed, and the energy conservation and the temperature control of the electromagnetic valve are realized. Through multiple tests, the temperature of the solenoid valve which is electrified for 10 hours is only five to eight degrees higher than the ambient temperature, and the subsequent temperature does not rise any more. The microprocessor is connected with a combustible gas detection sensor through an internal analog-to-digital converter interface, and gas concentration is calculated by detecting an analog voltage value; the microprocessor is connected to the 2.4G wireless module through an analog serial peripheral interface, and transmits a configuration instruction through program control to realize one-to-many bidirectional data transmission; the microprocessor is connected to the NTC temperature measuring circuit through an internal analog-to-digital converter interface, and the current temperature value is calculated by checking the table of the analog voltage value; the touch and micro-processing integrated chip is used as a core device for whole control to realize the transmission of data acquisition, calculation and analysis; the microprocessor is connected with the download interface and is used for erasing and programming the program.

The second microprocessor assembly 27 is composed of a second voltage reduction circuit 115 for converting 12V-24V into direct current and 5V, a second voltage reduction circuit 116 for converting direct current and 5V into 3.3V, a WIFI module circuit 118, a second combustible gas detection circuit 113, a second 2.4G wireless receiving module circuit 117, a second NTC temperature measurement circuit 114, a second microprocessor 112, a second program downloading interface 120, a second liquid crystal display driving circuit, a backlight driving circuit 121, a second buzzer and driving circuit 122, a touch key input circuit, a lamp and driving circuit 123 and a real-time clock circuit 124. The voltage is converted into 5V through a 12V-24V to direct current 5V voltage reduction circuit II 115, and the LED lamp indicates to supply power to the whole board; the direct current 5V is converted into 3.3V through the LDO linear voltage reduction conversion chip to supply power to the WIFI and 2.4G wireless receiving module; the microprocessor is connected to the WIFI module through a serial port, and the WIFI module is configured and networked through sending serial port data to realize remote control; the microprocessor is connected with a combustible gas detection sensor through an internal analog-to-digital converter interface, and gas concentration is calculated by detecting an analog voltage value; the microprocessor is connected to the 2.4G wireless module through an analog serial peripheral interface, and transmits a configuration instruction through program control to realize one-to-many bidirectional data transmission; the microprocessor is connected to the NTC temperature measuring circuit through an internal analog-to-digital converter interface, and the current temperature value is calculated by checking the table of the analog voltage value; the touch and micro-processing integrated chip is used as a core device for whole control to realize the transmission of data acquisition, calculation and analysis; the microprocessor is connected with the download interface and is used for erasing and programming the program.

The third microprocessor assembly 36 is composed of a voltage reduction circuit III 129 for converting 12V-24V into direct current and 5V, a voltage reduction circuit III 130 for converting direct current and 5V into 3.3V, a combustible gas detection circuit III 127, a 2.4G wireless receiving module circuit III 131, an NTC temperature measurement circuit III 128, a microprocessor III 126, a program downloading interface III 133, a buzzer and a driving circuit III 134. The voltage is converted into 5V through a 12V-24V to DC 5V step-down circuit III 129, and the LED lamp indicates to supply power to the whole board; the direct current 5V is converted into 3.3V through the LDO linear voltage reduction conversion chip to supply power to the 2.4G wireless receiving module; the microprocessor is connected with a combustible gas detection sensor through an internal analog-to-digital converter interface, and gas concentration is calculated by detecting an analog voltage value; the microprocessor is connected to the 2.4G wireless module through an analog serial peripheral interface, and transmits a configuration instruction through program control to realize one-to-many bidirectional data transmission; the microprocessor is connected to the NTC temperature measuring circuit through an internal analog-to-digital converter interface, and the current temperature value is calculated by checking the table of the analog voltage value; the touch and micro-processing integrated chip is used as a core device for whole control to realize the transmission of data acquisition, calculation and analysis; the microprocessor is connected with the download interface and is used for erasing and programming the program.

After the three microprocessor assemblies are powered on, the microprocessors configure internal registers, and each part is initialized by calling an initialization program. Then, the gas temperature sensor enters a major cycle, the timing time of the timer is accumulated, the wireless module receives data sent by the transmitting plate to control the opening or closing of the electromagnetic valve, the detected gas concentration and the detected temperature value are sent to the transmitting plate through the wireless module or WIFI, and data transmission between the wireless module and the transmitting plate is carried out. When the concentration or the temperature is detected to be greater than the set data, the electromagnetic valve is immediately closed, the potential safety hazard is reduced, and the data are transmitted to the transmitting plate. The transmitting board transmits the alarm prompt to the mobile phone APP through the WIFI module.

The first combustible gas concentration sensor, the second combustible gas concentration sensor and the third combustible gas concentration sensor can be MQ-5 type combustible gas sensors which detect the concentration of the combustible gas, and the gas-sensitive material used in the combustible gas sensors is tin dioxide (SnO2) with low conductivity in clean air. When the sensor is in the environment with combustible gas, the conductivity of the sensor increases with the concentration of combustible gas in the air. The change in conductivity is converted to an output analog voltage signal corresponding to the combustible gas concentration using a microprocessor. Through a plurality of tests, the MQ-5 type combustible gas sensor can simultaneously detect and convert smoke (including smoke generated by combustion, oil smoke, coke smoke generated by dry combustion and the like) to generate a certain analog voltage signal. The microprocessor sets the alarm concentration to 5%.

The first temperature sensor, the second temperature sensor and the third temperature sensor can be NTC type negative temperature coefficient thermistors which detect the ambient temperature, and the NTC type negative temperature coefficient thermistors are manufactured by adopting a ceramic process and taking metal oxides of manganese, cobalt, nickel, copper and the like as main materials. These metal oxide materials all have semiconductor properties because they are completely similar in conduction to semiconductor materials such as germanium, silicon, etc. At low temperatures, these oxide materials have a low number of carriers (electrons and holes) and therefore have a high resistance; as the temperature increases, the number of carriers increases, so the resistance value decreases. The NTC thermistor has a variation range of 10O-1000000 omega at room temperature and a temperature coefficient of-2% -6.5%. The resistance value change is converted into a corresponding output analog voltage signal by using a microprocessor. The microprocessor sets the alarm temperature to 60 degrees.

The utility model discloses an analog voltage signal that first microprocessor assembly 12 gathered first combustible gas concentration sensor 13, first temperature sensor 14 converts corresponding gas concentration and temperature data into through the calculation. A concentration or temperature limit value is set in the first microprocessor assembly 12, when the concentration or temperature exceeds the standard, the first microprocessor assembly 12 sends a closing instruction, and the normally closed gas electromagnetic valve 5 is closed through the MOS drive electromagnetic valve circuit 108; if the closed state is present, the closed state is maintained. Meanwhile, the first 2.4G wireless module circuit 107 is in butt joint with the second 2.4G wireless module circuit 117 on the integrated circuit controller assembly 17, instant data is sent to the integrated circuit controller assembly 17, and the first buzzer 22 on the integrated circuit controller assembly 17 gives an alarm. At ordinary times, the first microprocessor assembly 12 transmits real-time data to the second microprocessor assembly 27 on the integrated circuit controller assembly 17 and executes the command (on, off or hold) sent from the integrated circuit controller assembly 17.

The utility model discloses an analog voltage signal that third microprocessor assembly 36 gathered third combustible gas concentration sensor 34 and third temperature sensor 33 converts corresponding gas concentration and temperature data into through the calculation. A concentration or temperature limit value is set in the third microprocessor assembly 36, when the concentration or temperature exceeds the standard, the third microprocessor assembly 36 sends an instruction, and the second buzzer 37 gives an alarm; if the value is normal, the operation is continued. Meanwhile, the third microprocessor assembly 36 is connected with the second 2.4G wireless module circuit 117 on the integrated circuit controller assembly 17 through the third 2.4G wireless module circuit 131, and transmits the instant data to the second microprocessor assembly 27 on the integrated circuit controller assembly 17.

The second microprocessor assembly 27 converts the analog voltage signals collected by the second temperature sensor 25 and the second combustible gas concentration sensor 26 into corresponding gas concentration and temperature data through calculation, and displays the corresponding gas concentration and temperature data on the screen of the timer 23.

The timer 23 is provided with a liquid crystal display for displaying, can set the working time length, and adopts count-down counting. Time, concentration and temperature are displayed on the screen. Twenty-minute gear and plus-minus minute gear are set for convenient operation. When the gas-operated controller works, gas-operated time (or last set time displayed on a default screen) is set, the start/close button is clicked, the second microprocessor assembly 27 is in butt joint with the first 2.4G wireless module circuit 107 on the electromagnetic valve controller assembly 6 through the second 2.4G wireless module circuit 117, a command is sent, and the electromagnetic valve controller assembly 6 opens the normally-closed gas electromagnetic valve 5 to start gas operation. The time can be temporarily adjusted according to the needs when in use, and the normal work of the gas using equipment 11 is not influenced. During normal operation, when the timer 23 is reset to zero, manually closed, the mobile phone APP19 is clicked to be closed, and the gas concentration or the temperature exceeds the standard, the electromagnetic valve controller assembly 6 receives a closing command sent by the integrated circuit controller assembly 17, and closes the normally closed gas electromagnetic valve 5. The timer 23 is reset to the last set time. When the concentration or the temperature exceeds the standard, the second microprocessor assembly 27 sends an instruction, and the first buzzer 22 gives an alarm.

The mobile concentration detector 38 is connected to the reserved interface 8, and the analog voltage signal is also converted into a numerical value through the second microprocessor assembly 27 to be displayed on a screen. It may not be installed at ordinary times and may be used to detect a specific location when a leak is sensed.

After the integrated circuit controller assembly 17 is connected with the 2.4G wireless module circuit I107 and the 2.4G wireless module circuit III 131 through the 2.4G wireless module circuit II 117, the electromagnetic valve controller assembly 6, the auxiliary sensor assembly 30 and the gas concentration and temperature data converted on the device are collected, the data are transmitted to the background server 18, the background server 18 transmits the data to the mobile phone APP19, and a user can read the concentrations and the temperatures of the three devices on the mobile phone.

The background server 18 receives the three sets of data (concentration and temperature) sent by the integrated circuit controller assembly 17 and forwards the data to the mobile phone APP 19. The background server 18 also sends the instruction of the mobile phone to the integrated circuit controller assembly 17 at ordinary times, and the integrated circuit controller assembly 17 completes the corresponding instruction. The background server 18 sets concentration and temperature alarm values, and when the concentration and temperature alarm values exceed the alarm values, the background sends alarm short messages to the mobile phone number bound by the equipment; if the concentration lasts for 10 seconds and exceeds 10%, the background personnel can make a mobile phone bound with the equipment according to the service items to remind the user of the phone call.

The mobile phone can be bound with three gas safety controller devices, the mobile phone enters a main page after login information is completed, the main page displays three device information (name, concentration, temperature and closing buttons) in parallel, and the name can be edited into a name which is convenient to distinguish. The closing button can close the corresponding equipment at any time. When one of the two-stage setting interfaces is opened, the concentration and temperature values of the current equipment (the integrated circuit controller assembly 17, the electromagnetic valve controller assembly 6 or the auxiliary sensor assembly 30) are displayed, and the highest concentration and temperature values are displayed on the main page. Concentration and temperature limit values are set on the second-level setting interface, and when the actual value exceeds the limit value, alarm information appears on the mobile phone.

When the indoor air supply device is not used at ordinary times, the normally closed gas electromagnetic valve 5 is in a closed state, and the indoor air pipe 10 and the gas using equipment 11 do not have gas, so that the situations of leakage and the like can be avoided. Meanwhile, the integrated circuit controller assembly 17 sends an instruction to the electromagnetic valve controller assembly 6 and the auxiliary sensor assembly 30 according to the set time frequency to upload concentration and temperature data, collects the concentration and temperature data measured by the integrated circuit controller assembly, uploads the concentration and temperature data to the background server 18, and sends the data to the client mobile phone, so that the client can conveniently check the concentrations and temperatures of the three devices at random and operate the devices.

The utility model discloses there is the dangerous condition of following correspondence: a. the combustible gas or smoke of the external pipeline flees to the home, at the moment, no matter which combustible gas concentration sensor on the integrated circuit controller assembly 17, the electromagnetic valve controller assembly 6 and the auxiliary sensor assembly 30 firstly detects that the concentration exceeds the standard, the buzzer alarms at the first time, meanwhile, the integrated circuit controller assembly 17 collects data and uploads the data to the background server and the mobile phone, the mobile phone receives a background short message alarm, and meanwhile, the mobile phone also has an alarm prompt. If the concentration lasts for 10 seconds and exceeds 10%, the background personnel can make a registered mobile phone call according to the service items to carry out call reminding. b. The same is true for an excessive external temperature. When the device works, firstly, a timer 23 is arranged on the integrated circuit controller assembly 17, and the time can be set according to the gas using time. After setting, the key is turned on, the integrated circuit controller assembly 17 sends an instruction to the electromagnetic valve controller assembly 6 through the second 2.4G wireless module circuit 117, and the electromagnetic valve controller assembly 6 controls the normally closed gas electromagnetic valve 5 to open and work so as to supply gas to gas equipment. And the time is counted down, after the time is reached, the integrated circuit controller assembly 17 sends an instruction to the electromagnetic valve controller assembly 6 through the second 2.4G wireless module circuit 117, the electromagnetic valve controller assembly 6 controls the normally closed gas electromagnetic valve 5 to be closed, and the gas equipment is cut off. The mobile phone can be temporarily opened and closed as required during working, and can also be closed in advance through the mobile phone. The timer can be readjusted under the condition of no gas interruption, the gas using time is modified, and the gas is automatically closed when the gas using time is up. Each time the integrated circuit controller assembly 17 is shut down the time is restored to the most recently set time.

The utility model discloses in use has following to deal with dangerous condition: when the soup is steamed, cooked and decocted, the time can be set, and the operation is convenient when the soup is closed; people who cannot remember whether to turn off the gas after going out often do not need to worry about the gas, and after the timing time is exceeded, the normally closed gas electromagnetic valve 5 is closed, and indoor pipelines and gas appliances do not have gas; when the gas water heater is used, the auxiliary sensor assembly 30 can be placed in a toilet, and no matter which of the combustible gas concentration sensors on the integrated circuit controller assembly 17, the electromagnetic valve controller assembly 6 and the auxiliary sensor assembly 30 firstly detects that the concentration exceeds the standard, the buzzer alarms at the first time and closes the normally closed gas electromagnetic valve 5, so that the personal safety is ensured; when the gas stove is used, if the pipeline leaks, the integrated circuit controller assembly 17 or the electromagnetic valve controller assembly 6 can detect that the concentration is exceeded, the buzzer can give an alarm at the first time, and the normally closed gas electromagnetic valve 5 can be closed, so that the property and personal safety is ensured, the response is sensitive, and the performance is high; if the person forgets to cook or goes out of the cooker, the person cooks the dishes and generates scorching smoke, the combustible gas concentration sensor on the integrated circuit controller assembly 17 or the electromagnetic valve controller assembly 6 detects that the concentration is exceeded, the buzzer alarms at the first time, and the normally closed gas electromagnetic valve 5 is closed; if other external reasons generate high temperature, the temperature sensor can also detect that the temperature exceeds a set value, and the normally closed gas electromagnetic valve 5 can be alarmed and closed, so that the property and personal safety is ensured, and the safety and the reliability are realized.

When the integrated circuit controller assembly 17 is used, if the gas stove is extinguished due to overflow of soup and water, and the gas stove leaks gas at the moment, because the gas is light, the integrated circuit controller assembly 17 can be arranged close to the gas stove, the gas leakage is firstly detected, when the concentration reaches 5%, the integrated circuit controller assembly 17 sends a command to the electromagnetic valve controller assembly 6, the normally closed gas electromagnetic valve 5 is closed, and meanwhile, the first buzzer 22 gives an alarm, so that danger is avoided; the equipment normally uses alternating current 220V inverted into 12V direct current, if the power is cut off, a reserved interface 8 is arranged on the electromagnetic valve controller assembly 6, and the normal use is not influenced after the dry battery 43 is connected; in the normal use process, if the integrated circuit controller assembly 17 and the electromagnetic valve controller assembly 6 are not communicated smoothly, the first microprocessor assembly 12 firstly closes the normally closed gas electromagnetic valve 5 to ensure the safety; if the communication between the integrated circuit controller assembly 17 and the auxiliary sensor assembly 30 is not smooth, the second microprocessor assembly 27 on the integrated circuit controller assembly 17 will send a close command to the solenoid valve controller assembly 6 and the normally closed gas solenoid valve 5 will close. The microprocessors of the three modules realize command sending and exchanging through the wireless communication module, and if one of the three modules does not receive a reply after sending the set frequency command, the communication is considered to be not smooth. The product can be reused after being checked and cleared of problems.

The above-mentioned embodiments further explain the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A gas safety control device is characterized by comprising a gas inlet main switch, a gas meter gas outlet pipe, a normally closed gas electromagnetic valve, a first lead, a first power plug, a gas pipe, gas equipment and an integrated circuit controller assembly, wherein the gas inlet main switch is installed on a gas inlet pipe;

the integrated circuit controller assembly comprises a second microprocessor assembly, a first buzzer, an adjustable timer, a second temperature sensor, a second combustible gas concentration sensor and a reserved interface, wherein the first buzzer, the adjustable timer, the second temperature sensor, the second combustible gas concentration sensor and the reserved interface are all connected with the second microprocessor assembly;

and the integrated circuit controller assembly is connected with the normally closed gas electromagnetic valve.

2. The gas safety control device according to claim 1, wherein the reserved interface is a dry battery interface or a mobile concentration detector interface.

3. The gas safety control device according to claim 1, wherein an electromagnetic valve controller assembly is connected between the integrated circuit controller assembly and the normally closed gas electromagnetic valve;

the electromagnetic valve control assembly comprises a first microprocessor assembly, a first combustible gas concentration sensor, a first temperature sensor and a reserved dry battery interface, wherein the first combustible gas concentration sensor, the first temperature sensor and the reserved dry battery interface are all connected with the first microprocessor assembly;

4. The gas safety control device according to claim 3, wherein the integrated circuit controller assembly is connected with an auxiliary sensor assembly through a second microprocessor assembly;

the auxiliary sensor assembly comprises a third microprocessor assembly, a third temperature sensor, a third combustible gas concentration sensor and a second buzzer, the third temperature sensor, the third combustible gas concentration sensor and the second buzzer are all connected with the third microprocessor assembly, and the third microprocessor assembly is in wireless connection with the second microprocessor assembly.

5. The gas safety control device according to claim 2, wherein the reserved interface is connected with a dry battery.

6. The gas safety control device according to claim 2, wherein the reserved interface is connected with a mobile concentration detector.