Kitchen safety monitoring alarm controller

Abstract

A kitchen safety monitoring alarm controller is provided with a microprocessor used for processing input and output signals; a first input end of the microprocessor is connected with a human body detector for detecting activity condition data of kitchen personnel; a second input end of the microprocessor is connected with a flame detector for detecting flame data of the stove; a third input end of the microprocessor is connected with the temperature sensing detector and is used for detecting kitchen temperature data; a fourth input end of the microprocessor is connected with the gas detector and is used for detecting gas leakage data; the first output end of the microprocessor is connected with the sound-light alarm module and used for sending out alarm information. A second output end of the microprocessor is connected with an alarm center, and alarms in a telephone mode and a short message mode; a third output end of the microprocessor is connected with a voice module, and a warning voice prompt is broadcasted through the voice module; and a fourth output end of the microprocessor is connected with the alarm execution mechanism module and is used for executing an alarm action.

Description

Technical Field

[0001] The utility model relates to the technical field of gas monitoring, in particular to a kitchen safety monitoring alarm controller. Background Art

[0002] The kitchen alarm system utilizes human presence detection technology to accurately sense the range and duration of activity within the kitchen's fire zone. When the fire presence alarm system activates, a microwave detector begins detecting occupants within the kitchen area. If no occupants are detected within a certain period of time, the fire presence alarm system activates, emitting audible and visual alarms to alert personnel to return to the operating area. If personnel fail to return to the operating area promptly, a warning signal is sent to the control room after a period of time, automatically shutting off power to the kitchen equipment.

[0003] In the existing technology, the ignition switch and personnel activity signals are collected for control and judgment. The detection data is single and the accuracy is insufficient. In addition, the overall circuit structure is complex, the integration is not high, and the installation is complicated. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] In response to the shortcomings of the existing technology, the utility model proposes a kitchen safety monitoring alarm controller which collects data such as human body, flame, temperature, etc. to comprehensively judge the safety of kitchen operation, and combines fire extinguishing control, fire start and leave, fire alarm, smoke alarm, anti-theft alarm, gas leak alarm and remote control functions into one.

[0006] 2. Specific technical solutions

[0007] A kitchen safety monitoring alarm controller is provided with a microprocessor for processing input and output signals; a first input end of the microprocessor is connected to a human body detector for detecting data on the activity of kitchen personnel; a second input end of the microprocessor is connected to a flame detector for detecting data on stove flames; a third input end of the microprocessor is connected to a temperature detector for detecting kitchen temperature data; a fourth input end of the microprocessor is connected to a gas detector for detecting data on gas leakage; a first output end of the microprocessor is connected to an audible and visual alarm module for issuing alarm information; a second output end of the microprocessor is connected to an alarm center for issuing alarms through methods including telephone and text messages; a third output end of the microprocessor is connected to a voice module for broadcasting warning voice reminders through the voice module; and a fourth output end of the microprocessor is connected to an alarm actuator module for executing alarm actions.

[0008] As an optimization: the alarm actuator module includes a gas solenoid valve control mechanism, a medicine solenoid valve control mechanism and a water flow solenoid valve control mechanism.

[0009] As an optimization: the ignition switch detector is provided with a detection switch J1, and the L end of the detection switch J1 is connected to the first input end of the rectifier bridge D29 through the resistor R26;

[0010] The N end of the detection switch J1 is connected to the second input end of the rectifier bridge D29, and the first output end of the rectifier bridge D29 is connected to the first input end of the optoelectronic isolation module U2 after passing through the resistor R75; the second output end of the rectifier bridge D29 is connected to the second input end of the optoelectronic isolation module U2, and the first branch of the first output end of the optoelectronic isolation module U2 is connected to the control power supply after passing through the resistor R34, and the other branch is connected to the microprocessor; the second output end of the optoelectronic isolation module U2 is grounded.

[0011] As an optimization: the voice connection module is provided with an amplifier U4, one branch of the positive input end of the amplifier U4 is connected to the negative electrode of the diode D18 through the resistor R28, and the positive electrode of the diode D18 is connected to the buzzer input end, and the second branch of the positive input end of the amplifier U4 enters the resistor R35 and the capacitor C13 and is connected to the audio output end; the negative input end of the amplifier U4 is grounded; the negative power supply end of the amplifier U4 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base is connected to the audio control end SPK-EN through the resistor R4, and the output end of the amplifier U4 is connected to the voice speaker LS1.

[0012] The beneficial effects of the present utility model are as follows: the main unit of the kitchen safety monitoring alarm controller is in accordance with national standards and combined with actual application needs, adopts intelligent microcomputer processing technology, and is an intelligent device that uses the GSM mobile communication wireless network to transmit alarm information in both directions, combining fire extinguishing control, fire alarm, smoke alarm, burglar alarm, gas leak alarm and remote control functions into one. It has powerful functions, advanced technology, simple operation, easy installation, high scientific and technological content, wide input voltage range, strong anti-interference ability, safe and reliable use, etc. It can store 5 groups of alarm phone numbers at the same time, such as: 110 command center, 119 command center, mobile phone (cell phone) number, and has multiple control modes such as AC or DC. It has multi-channel detection zones, sound and light on-site alarms, wireless SMS alarms, remote identification operations and other intelligent controls. It is an ideal choice for kitchen fire extinguishing in hotels, restaurants, hotels, schools, canteens, government agencies, enterprises and institutions. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 This is a circuit diagram of the microprocessor in the present invention.

[0015] Figure 3This is a circuit diagram of the ignition switch detector in the present utility model.

[0016] Figure 4 This is a circuit diagram of the voice module in the present invention. DETAILED DESCRIPTION

[0017] The following detailed description of the preferred embodiments of the present invention is provided in conjunction with the accompanying drawings to make the advantages and features of the present invention more easily understood by those skilled in the art, thereby more clearly defining the scope of protection of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of the present invention.

[0018] like Figure 1 As shown: A kitchen safety monitoring alarm controller is provided with a microprocessor for processing input and output signals; the first input end of the microprocessor is connected to a human detector for detecting data on kitchen personnel activities; the second input end of the microprocessor is connected to a flame detector for detecting stove flame data; the third input end of the microprocessor is connected to a temperature detector for detecting kitchen temperature data; the fourth input end of the microprocessor is connected to a gas detector for detecting gas leakage data; the first output end of the microprocessor is connected to an audible and visual alarm module for issuing an alarm message; the second output end of the microprocessor is connected to an alarm center for issuing an alarm through methods including telephone and text message; the third output end of the microprocessor is connected to a voice module for broadcasting a warning voice reminder through the voice module; the fourth output end of the microprocessor is connected to an alarm actuator module for executing an alarm action.

[0019] The alarm actuator module includes a gas solenoid valve control mechanism, a medicine solenoid valve control mechanism and a water flow solenoid valve control mechanism.

[0020] like Figure 2 and Figure 3 As shown: the ignition switch detector is provided with a detection switch J1, and the L end of the detection switch J1 is connected to the first input end of the rectifier bridge D29 through the resistor R26;

[0021] The N terminal of the detection switch J1 is connected to the second input terminal of the rectifier bridge D29, and the first output terminal of the rectifier bridge D29 is connected to the first input terminal of the photoelectric isolation module U2 through the resistor R75;

[0022] The second output end of the rectifier bridge D29 is connected to the second input end of the optoelectronic isolation module U2. The first branch of the first output end of the optoelectronic isolation module U2 is connected to the control power supply after passing through the resistor R34, and the other branch is connected to the microprocessor. The second output end of the optoelectronic isolation module U2 is grounded.

[0023] like Figure 2 and Figure 4 As shown: the voice connection module is provided with an amplifier U4, one branch of the positive input end of the amplifier U4 is connected to the negative electrode of the diode D18 through the resistor R28, and the positive electrode of the diode D18 is connected to the buzzer input end. The second branch of the positive input end of the amplifier U4 enters the resistor R35 and the capacitor C13 and is connected to the audio output end; the negative input end of the amplifier U4 is grounded; the negative power supply end of the amplifier U4 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base is connected to the audio control end SPK-EN through the resistor R4, and the output end of the amplifier U4 is connected to the voice speaker LS1.

[0024] When the kitchen oil pan overheats, the temperature sensor fuse opens, and the controller starts to extinguish the fire. The sound and light alarm or horn starts to sound. During the delay period, you can press the "Stop" button to exit. When the delay time is up, the controller activates the gas valve to shut off the gas and simultaneously activates the solenoid valve to spray the fire extinguishing agent. After a delay of 10 seconds, the water valve is activated again to continue extinguishing the fire to prevent it from re-igniting. In the fire extinguishing state, you need to press the "Reset" button to exit. When the kitchen staff turns on the power of the gas stove or range hood, the controller starts working, and the microwave radar or infrared detector monitors the status of the kitchen staff at all times. When the kitchen staff leaves, they return to their work station within the set warning time (1-5 minutes). The controller will not alarm, so that the kitchen staff can take a short break and return to their work position. After the warning time has expired, the controller will initiate an on-site audible and visual alarm (1-10 minutes), and the loudspeaker will play the voice message "Please return to your workstation as soon as possible if you have left the kitchen." The controller will also remotely call and send text messages to the alarm center, duty room, and management personnel via the GPRS module. Regardless of where the management personnel are located in the world, the controller can effectively transmit on-site information to the user's mobile phone, allowing the user to monitor the work status of the kitchen staff at any time. When the alarm time expires, if the person who has left the kitchen has not returned to their workstation, the controller will automatically cut off the gas supply and fan power supply (a solenoid valve must be connected) to ensure maximum safety in the kitchen environment. Once the kitchen staff returns to their workstation within the specified time, the controller will automatically exit the alarm state and return to normal monitoring status.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention shall be defined by the appended claims.

Claims

1. A kitchen safety monitoring alarm controller, characterized by: A microprocessor is provided for processing input and output signals; The first input terminal of the microprocessor is connected to a human body detector for detecting activity data of kitchen personnel; The second input terminal of the microprocessor is connected to a flame detector for detecting stove flame data; The third input terminal of the microprocessor is connected to a temperature detector for detecting kitchen temperature data; The fourth input terminal of the microprocessor is connected to a gas detector for detecting gas leakage data; The first output terminal of the microprocessor is connected to the sound and light alarm module for issuing an alarm message; The second output terminal of the microprocessor is connected to the alarm center, and an alarm is issued through a phone call or text message; The third output terminal of the microprocessor is connected to the voice module, and the voice module broadcasts a warning voice reminder; The fourth output terminal of the microprocessor is connected to the alarm execution mechanism module for executing the alarm action.

2. The kitchen safety monitoring alarm controller according to claim 1, characterized in that: The alarm actuator module includes a gas solenoid valve control mechanism, a medicine solenoid valve control mechanism and a water flow solenoid valve control mechanism.

3. The kitchen safety monitoring alarm controller according to claim 1, characterized in that: The human body detector includes a fire switch detector, which is provided with a detection switch J1, and the L end of the detection switch J1 is connected to the first input end of the rectifier bridge D29 through the resistor R26; The N terminal of the detection switch J1 is connected to the second input terminal of the rectifier bridge D29, and the first output terminal of the rectifier bridge D29 is connected to the first input terminal of the photoelectric isolation module U2 through the resistor R75; The second output end of the rectifier bridge D29 is connected to the second input end of the optoelectronic isolation module U2. The first branch of the first output end of the optoelectronic isolation module U2 is connected to the control power supply after passing through the resistor R34, and the other branch is connected to the microprocessor. The second output end of the optoelectronic isolation module U2 is grounded.

4. The kitchen safety monitoring alarm controller according to claim 1, characterized in that: The voice interface module is provided with an amplifier U4, a branch of the positive input terminal of the amplifier U4 is connected to the cathode of the diode D18 through a resistor R28, the anode of the diode D18 is connected to the buzzer input terminal, and the second branch of the positive input terminal of the amplifier U4 is connected to the audio output terminal after passing through a resistor R35 and a capacitor C13; the negative input terminal of the amplifier U4 is grounded; The negative power supply terminal of the amplifier U4 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, the base is connected to the audio control terminal SPK-EN via the resistor R4, and the output terminal of the amplifier U4 is connected to the voice speaker LS1.

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