Monitoring device for safe fire use in kitchen

Abstract

The utility model provides a monitoring device for safe fire use in a kitchen. Comprising an MCU control unit, a fuel gas detection sensor used for detecting the concentration of fuel gas in the surrounding environment, a gas detection sensor used for detecting the concentration of harmful gas in the surrounding environment, a human body detection sensor used for detecting existence of a human body, an acoustoelectric sensor used for detecting human sound waves and an electric control valve arranged on a fuel gas conveying pipeline. The fuel gas detection sensor, the gas detection sensor, the acoustoelectric sensor and the human body detection sensor are electrically connected with the MCU, and the MCU is electrically connected with the electric control valve. And the MCU control unit controls the electric control valve to connect or disconnect the fuel gas supplied to the stove by the fuel gas conveying pipeline according to signals of the fuel gas detection sensor, and / or the gas detection sensor, and / or the human body detection sensor, and / or the acoustoelectric sensor. Specifically, the electric valve on the gas pipeline can be switched off actively through the sensor and the control circuit, and the safety guarantee is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring, in particular to a monitoring device for safe use of fire in a kitchen. Background Art

[0002] In October 2019, Chinese patent document No. CN209512097U disclosed a gas stove that can automatically turn off the fire, which specifically disclosed a stove body, a knob switch, an active groove, a stove head body, an active plate and a timer. The lower end of the knob switch is connected to a second solenoid valve, the upper surface of the stove body is installed on the side away from the knob switch, the stove head body is provided with an active groove on the outside of the stove head body, and an active plate is movably installed inside the active groove. The upper surface of the active plate is fixed with a first contact, and the lower surface of the active plate is fixed with a second contact. The lower surface of the active plate is elastically connected to the inner wall of the bottom end of the active groove through a spring, and a timer is installed between the knob switch, and the first solenoid valve is installed on the gas pipes on both sides of the timer. In the above-mentioned patent documents, the gas stove that can automatically turn off the fire is limited to the stove itself, and it works in the firing state. Therefore, when there is no fire, if there is a gas leak, the gas stove that automatically turns off the fire only disconnects the flame of the stove, and cannot disconnect the gas pipe from supplying gas, resulting in serious limitations in safety protection.

[0003] Therefore, further improvement is needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a monitoring device for safe use of fire in the kitchen to overcome the shortcomings of the prior art. Through sensors and control circuits, the electric valve on the gas pipeline can be actively shut down, effectively improving the safety of kitchen gas use.

[0005] A monitoring device for safe use of fire in the kitchen designed for this purpose comprises an MCU control unit, a gas detection sensor for detecting the concentration of gas in the surrounding environment, a gas detection sensor for detecting the concentration of harmful gases in the surrounding environment, a human body detection sensor for detecting the presence of a human body, an acoustic-electric sensor for detecting human sound waves, and an electrically controlled valve arranged on a gas transmission pipeline, wherein the gas detection sensor, the gas detection sensor, the human body detection sensor, and the acoustic-electric sensor are electrically connected to the MCU control unit, the MCU control unit is electrically connected to the electrically controlled valve, and the MCU control unit controls the electrically controlled valve to turn on or off the gas supplied to the stove by the gas transmission pipeline according to signals from the gas detection sensor, and / or the gas detection sensor, and / or the human body detection sensor, and / or the acoustic-electric sensor.

[0006] The MCU control unit is provided with a sound and light broadcast interaction module for reminding the user. When the gas detection sensor detects gas in the surrounding environment, and / or the gas detection sensor detects harmful gas in the surrounding environment, and / or the human detection sensor, and / or the acoustic and electrical sensor detects no human activity, it is sent to the MCU control unit. The MCU control unit sends voice and sound and light to remind the user through the sound and light broadcast interaction module.

[0007] The MCU control unit is also provided with a call confirmation module. When the human detection sensor and / or the acoustic and electrical sensor detect no human activity signal, the signal is sent to the MCU control unit, and the MCU control unit controls the call confirmation module to emit a sound.

[0008] The MCU control unit is also provided with a timing module. When the human body detection sensor and / or the acoustic and electrical sensor do not detect a human body signal and send it to the MCU control unit, the MCU control unit controls the timing module to start timing. When the timing module reaches a preset value, the MCU control unit controls the electric control valve to disconnect.

[0009] The MCU control unit is also provided with a voice control module for collecting the user's command voice information, converting it into command data and transmitting it to the MCU control unit. The MCU control unit turns on or off the electric control valve according to the command data.

[0010] The human body detection sensor includes an infrared detection module, a radar detection module, an identification detection module or a microwave sensing module.

[0011] The gas detection sensor comprises a first gas-sensitive detection module of natural gas or coal gas.

[0012] The gas detection sensor includes a second gas-sensitive detection module for carbon monoxide or formaldehyde.

[0013] The monitoring device also includes a wireless communication module for establishing a wireless connection with an external terminal or a server. The wireless communication module is electrically connected to the MCU control unit. The MCU control unit controls the MCU control unit to open or disconnect the electronically controlled valve according to a control instruction from the external terminal or the server.

[0014] The monitoring device also includes a power supply module for supplying power to the MCU control unit.

[0015] A kitchen fire safety monitoring device of the above embodiment includes an MCU control unit, a gas detection sensor for detecting the gas concentration in the surrounding environment, a gas detection sensor for detecting the concentration of harmful gases in the surrounding environment, a human body detection sensor for detecting the presence of a human body, an acoustic-electric sensor for detecting human sound waves, and an electrically controlled valve arranged on a gas transmission pipeline. The gas detection sensor, the gas detection sensor, the acoustic-electric sensor, and the human body detection sensor are electrically connected to the MCU control unit, and the MCU control unit is electrically connected to the electrically controlled valve. The MCU control unit controls the electrically controlled valve to turn on or off the gas transmission pipeline to supply gas to the stove according to signals from the gas detection sensor, and / or the gas detection sensor, and / or the human body detection sensor, and / or the acoustic-electric sensor. Specifically, the electric valve on the gas pipeline can be actively shut off through the sensor and the control circuit, effectively improving the safety of the use of kitchen gas; in detail, the human body detection sensor and / or the acoustic and electric sensor are used to detect whether the human body is next to the stove during the cooking process. If the human body detection sensor and / or the acoustic and electric sensor detect that the human body is next to the stove, the electric control valve conducts the gas transmission pipeline to supply the gas to the stove. If the human body detection sensor and / or the acoustic and electric sensor do not detect that the human body is next to the stove, the MCU control unit issues an alarm and automatically controls the electric control valve to disconnect the gas transmission pipeline from supplying the gas to the stove, thereby avoiding the dangers of dry burning of the stove, or even fire and explosion, and effectively improving the safety of the use of the kitchen; and the gas detection sensor and the gas detection sensor 3 can monitor the gas concentration and harmful gas concentration in the kitchen in real time. Once data exceeding the safety range is detected and transmitted to the MCU control unit, the MCU control unit issues an alarm according to the data of the gas detection sensor and the gas detection sensor, and disconnects the electric control valve to automatically cut off the gas supply, thereby ensuring the safety of the kitchen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and the description thereof are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The present invention is a schematic diagram of a monitoring device for safe use of fire in a kitchen in one embodiment of the present invention. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0020] like Figure 1 As shown, a monitoring device for safe use of fire in the kitchen is provided, comprising an MCU control unit 1, a gas detection sensor 2 for detecting the concentration of gas in the surrounding environment, a gas detection sensor 3 for detecting the concentration of harmful gases in the surrounding environment, a human body detection sensor 4 for detecting the presence of a human body, an acoustic-electric sensor 7 for detecting human sound waves, and an electrically controlled valve 6 arranged on a gas transmission pipeline 5, wherein the gas detection sensor 2, the gas detection sensor 3, the acoustic-electric sensor 7, and the human body detection sensor 4 are electrically connected to the MCU control unit 1, and the MCU control unit 1 is electrically connected to the electrically controlled valve 6, and the MCU control unit 1 controls the electrically controlled valve 6 to turn on or off the gas supply to the stove from the gas transmission pipeline 5 according to signals from the gas detection sensor 2, and / or the gas detection sensor 3, and / or the human body detection sensor 4, and / or the acoustic-electric sensor 7.

[0021] Specifically, the electric valve 6 on the gas pipeline can be actively shut off through the sensor and the control circuit, effectively improving the safety of kitchen gas use; in detail, the human body detection sensor 3 and / or the acoustic and electric sensor 7 are used to detect whether a human body is next to the stove during the cooking process. If the human body detection sensor 3 and / or the acoustic and electric sensor 7 detect that a human body is next to the stove, the electric control valve 6 conducts the gas transmission pipeline 5 to supply gas to the stove. If the human body detection sensor 3 and / or the acoustic and electric sensor 7 do not detect that a human body is next to the stove, the MCU control unit 1 issues an alarm and automatically controls the electric control valve 6 to disconnect the gas transmission pipeline 5 from supplying gas to the stove, thereby avoiding the occurrence of dangers such as dry burning of the stove, or even fire and explosion, and effectively improving the safety of kitchen use;

[0022] The gas detection sensor 2 and the gas detection sensor 3 can be used to monitor the gas concentration and harmful gas concentration in the kitchen in real time. Once data exceeding the safety range is detected and transmitted to the MCU control unit 1, the MCU control unit 1 will issue an alarm based on the data from the gas detection sensor 2 and the gas detection sensor 3, and disconnect the electric control valve 6 to automatically cut off the gas supply to ensure the safety of the kitchen.

[0023] Furthermore, the MCU control unit 1 is provided with a sound and light broadcast interaction module 101 for reminding the user. When the gas detection sensor 2 detects the presence of gas in the surrounding environment, and / or the gas detection sensor 3 detects harmful gases in the surrounding environment, and / or the human detection sensor 4, and / or the acoustic and electric sensor 7 detects no human activity, it is sent to the MCU control unit 1, and the MCU control unit 1 emits sound and sound and light through the sound and light broadcast interaction module 101 to remind the user.

[0024] Specifically, when the gas detection sensor 2 and / or the gas detection sensor 3 detects any abnormal situation in the surrounding environment, it will be sent to the MCU control unit 1. The MCU control unit 1 can promptly send sound and light alarms to the user through the sound and light broadcast interaction module 101, so that the user can take quick action to avoid danger and prevent accidents caused by gas leakage or carbon monoxide.

[0025] Furthermore, the MCU control unit 1 is also provided with a call confirmation module 102. When the human detection sensor 4 and / or the acoustic and electrical sensor 7 do not detect human activity signals, they are sent to the MCU control unit 1, and the MCU control unit 1 controls the call confirmation module 102 to make a sound.

[0026] Specifically, when the human detection sensor 4 and / or the acoustic-electric sensor 7 do not detect any human activity signal, the control module 102 controls the call confirmation module 103 to emit a sound, so that the user who has only left the kitchen for a short time can be reminded in time. If the user answers in time, the electric control valve 6 continues to conduct the gas delivery pipeline 5 to supply gas to the stove; if the user does not answer in time, it proves that the human body has left the kitchen for a period of time. At this time, the MCU control unit 1 controls the electric control valve 6 to disconnect to avoid accidents.

[0027] Furthermore, the MCU control unit 1 is also provided with a timing module 103. When the human body detection sensor 4 and / or the acoustic and electrical sensor 7 do not detect a human body signal and send it to the MCU control unit 1, the MCU control unit 1 controls the timing module 103 to start timing. When the timing module 103 reaches a preset value, the MCU control unit 1 controls the electric control valve 6 to disconnect.

[0028] Specifically, when the human detection sensor 4 and / or the acoustic and electrical sensor 7 detects that there is no human activity, a signal indicating that the human activity has stopped will be sent to the MCU control unit 1. At this time, the timing module 103 will start timing. When the timing module 103 reaches the preset time, it will issue an action instruction to cut off the gas supply, so that the electronically controlled valve 6 is disconnected and the continued supply of gas is stopped, thereby avoiding the safety hazard of the gas stove.

[0029] Furthermore, the MCU control unit 1 is also provided with a voice control module 104 for collecting the user's command voice information, converting it into command data and transmitting it to the MCU control unit 1. The MCU control unit 1 turns on or off the electric control valve 6 according to the command data.

[0030] Specifically, the voice control module 104 on the MCU control unit 1 is responsible for receiving the user's voice commands. When the user speaks relevant commands to the gas stove, such as voice commands to turn off or turn on the fire, the voice information will be converted by the voice control module 104 into corresponding command data and transmitted to the MCU control unit 1. Then, the MCU control unit 1 controls the electric control valve 6 to be turned on or off according to the received command data.

[0031] Furthermore, the human body detection sensor 4 includes an infrared detection module, a radar detection module, an identification detection module or a microwave sensing module.

[0032] Furthermore, the gas detection sensor 2 includes a gas-sensitive detection module for natural gas or coal gas.

[0033] Furthermore, the gas detection sensor 3 includes a second gas-sensitive detection module for carbon monoxide or formaldehyde.

[0034] Furthermore, the monitoring device also includes a wireless communication module 8 for establishing a wireless connection with an external terminal or server. The wireless communication module 8 is electrically connected to the MCU control unit 1. The MCU control unit 1 controls the MCU control unit 1 to open or close the electric control valve 6 according to the control instructions of the external terminal or server.

[0035] Specifically, for special groups such as the elderly, it is very important to promptly detect the emergency situations they encounter and intervene. The wireless communication module 8 is electrically connected to the MCU control unit 1 for receiving and sending information; the MCU control unit 1 can send an alarm to an external terminal or server through the wireless communication module 8 to notify the user that the gas stove is in an unmanned state, remind the user to pay attention to safety, and can automatically trigger the instruction to disconnect the electronically controlled valve 6 to avoid safety problems caused by gas leakage; the wireless communication module 8 can communicate with special groups such as the elderly by voice or video.

[0036] Furthermore, the monitoring device also includes a power module 9 for supplying power to the MCU control unit 1 .

[0037] Specifically, the power module 9 is provided to ensure the conduction of the circuit of the monitoring device.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly defined and specified, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0043] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0044] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A kitchen fire safety monitoring device, characterized in that: The invention comprises an MCU control unit (1), a gas detection sensor (2) for detecting the concentration of gas in the surrounding environment, a gas detection sensor (3) for detecting the concentration of harmful gases in the surrounding environment, a human body detection sensor (4) for detecting the presence of a human body, an acoustic-electric sensor (7) for detecting human sound waves, and an electrically controlled valve (6) arranged on a gas transmission pipeline (5), wherein the gas detection sensor (2), the gas detection sensor (3), the human body detection sensor (4) and the acoustic-electric sensor (7) are electrically connected to the MCU control unit (1), and the MCU control unit (1) is electrically connected to the electrically controlled valve (6). The MCU control unit (1) controls the electrically controlled valve (6) to open or disconnect the gas transmission pipeline (5) supplying gas to the stove according to signals from the gas detection sensor (2), and / or the gas detection sensor (3), and / or the human body detection sensor (4), and / or the acoustic-electric sensor (7).

2. The kitchen fire safety monitoring device according to claim 1, characterized in that: The MCU control unit (1) is provided with a sound and light broadcast interactive module (101) for reminding the user. When the gas detection sensor (2) detects the presence of gas in the surrounding environment, and / or the gas detection sensor (3) detects harmful gas in the surrounding environment, and / or the human detection sensor (4), and / or the acoustic and electric sensor (7) detect no human activity, the MCU control unit (1) sends a voice and sound and light reminder to the user through the sound and light broadcast interactive module (101).

3. The kitchen fire safety monitoring device according to claim 1, characterized in that: The MCU control unit (1) is also provided with a call confirmation module (102). When the human body detection sensor (4) and / or the acoustic and electrical sensor (7) detect no human body activity signal, the signal is sent to the MCU control unit (1). The MCU control unit (1) controls the call confirmation module (102) to issue a voice call.

4. The kitchen fire safety monitoring device according to claim 1, characterized in that: The MCU control unit (1) is also provided with a timing module (103); when the human body detection sensor (4) and / or the acoustic and electrical sensor (7) do not detect a human body signal and send it to the MCU control unit (1), the MCU control unit (1) controls the timing module (103) to start timing; when the timing module (103) reaches a preset value, the MCU control unit (1) controls the electric control valve (6) to disconnect.

5. The kitchen fire safety monitoring device according to claim 1, characterized in that: The MCU control unit (1) is also provided with a voice control module (104) for collecting command voice information of the user, converting it into command data and transmitting it to the MCU control unit (1); the MCU control unit (1) opens or disconnects the electric control valve (6) according to the command data.

6. The kitchen fire safety monitoring device according to claim 1, characterized in that: The human body detection sensor (4) comprises an infrared detection module, or a radar detection module, or an identification detection module, or a microwave sensing module.

7. The kitchen fire safety monitoring device according to claim 1, characterized in that: The gas detection sensor (2) comprises a first gas-sensitive detection module for natural gas or coal gas.

8. The kitchen fire safety monitoring device according to claim 1, characterized in that: The gas detection sensor (3) comprises a second gas-sensitive detection module for carbon monoxide or formaldehyde.

9. The kitchen fire safety monitoring device according to claim 1, characterized in that: The monitoring device further comprises a wireless communication module (8) for establishing a wireless connection with an external terminal or a server, wherein the wireless communication module (8) is electrically connected to the MCU control unit (1), and the MCU control unit (1) controls the MCU control unit (1) to open or disconnect the electric control valve (6) according to a control instruction of the external terminal or the server.

10. The kitchen fire safety monitoring device according to claim 1, characterized in that: The monitoring device also includes a power supply module (9) for supplying power to the MCU control unit (1).

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