Stove control system

Abstract

The utility model discloses a stove control system which comprises a burner, a pipeline communicated with the burner and a control circuit, a temperature probe used for being in contact with the bottom of a kettle is installed on the top of the burner, and a gas valve is installed on the pipeline. The control circuit comprises a power module, a main control module, a wireless communication module, a temperature detection module and a valve control module. According to the technical scheme, the temperature probe used for making contact with the bottom of the kettle is installed at the top end of the combustor of the stove, the function that the main control module detects the temperature of the kettle is achieved, and the main control module transmits temperature data of the kettle to a user through the wireless communication module; and when the gas cut-off condition is met, the main control module controls the cut-off action of the gas valve through the valve control module, the temperature data of the kettle can be obtained at any time without waiting by a user in the process of heating the kettle by the stove, the user can cut off gas supply at any time, and the safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic circuits, and more specifically to a stove control system. Background Art

[0002] With the development of society, the cooking tools used in households have gradually changed from traditional wood-fired stoves to gas stoves. The arrival of gas stoves allows users to start and use them immediately, and they can also adjust the fire power at will to improve the cooking effect of food.

[0003] Currently, people generally don't use gas stoves to heat kettles. The main reason is that it requires someone to monitor the kettle and can't monitor the kettle's heating status in real time. Therefore, people buy electric kettles to get hot water. However, electric kettles only provide a small amount of hot water at a time, and it takes a long time to start the kettle to get a large amount of hot water. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a stove control system.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A stove control system includes a burner, a pipe connected to the burner, and a control circuit. The top of the burner is equipped with a temperature probe for contacting the bottom of a kettle, and the pipe is equipped with a gas valve.

[0007] The control circuit includes a power supply module, a main control module, a wireless communication module, a temperature detection module and a valve control module. The power supply module is respectively connected to the main control module, the wireless communication module, the temperature detection module and the valve control module. The temperature probe is connected to the temperature detection module, the gas valve is connected to the valve control module, and the main control module is respectively connected to the wireless communication module, the temperature detection module and the valve control module.

[0008] As a further improvement of the above technical solution, the temperature detection module includes a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a transient suppression diode D1. One end of the temperature probe is connected to the power module, and the other end of the temperature probe is connected to the main control module through the resistor R1. One end of the capacitor C1 is connected to the connection point between the resistor R1 and the main control module, and the other end of the capacitor C1 is connected to the ground. One end of the resistor R2 is connected to the connection point between the temperature probe and the resistor R1, and the other end of the resistor R2 is connected to the main control module. The capacitor C2 is connected in parallel with the temperature probe. One end of the resistor R3 is connected to the connection point between the temperature probe and the resistor R1, and the other end of the resistor R3 is connected to the ground. The positive electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe and the resistor R1, and the negative electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe and the capacitor C2.

[0009] As a further improvement of the above technical solution, the wireless communication module includes a Bluetooth integrator with model BT4502A, a first signal converter and a second signal converter. The Bluetooth integrator is configured with a transmitting end and a receiving end. The transmitting end of the Bluetooth integrator is connected to the main control module through the first signal converter, and the receiving end of the Bluetooth integrator is connected to the main control module through the second signal converter.

[0010] As a further improvement of the above technical solution, the first signal converter includes a PNP-type transistor Q1, an NPN-type transistor Q2, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a capacitor C3. The transmitting end of the Bluetooth integrator is connected to the base of the transistor Q1 through the resistor R4, the emitter of the transistor Q1 is connected to the power module, the collector of the transistor Q1 is connected to the base of the transistor Q2 through the resistor R5, the emitter of the transistor Q2 is connected to the ground, and the collector of the transistor Q2 is connected to the main control module through the resistor R7. One end of the capacitor C3 is connected to the connection point between the resistor R7 and the main control module, and the other end of the capacitor C3 is connected to the ground. One end of the resistor R6 is connected to the base of the transistor Q2, and the other end of the resistor R6 is connected to the ground.

[0011] As a further improvement of the above technical solution, the second signal converter includes an NPN-type transistor Q3, a PNP-type transistor Q4, a resistor R8, a resistor R9, a resistor R10, a resistor R11 and a capacitor C4. The main control module is connected to the base of the transistor Q4 through the resistor R11, the emitter of the transistor Q4 is connected to the power module, the collector of the transistor Q4 is connected to the base of the transistor Q3 through the resistor R10, the emitter of the transistor Q3 is connected to the ground, one end of the resistor R9 is connected to the base of the transistor Q3, the other end of the resistor R9 is connected to the emitter of the transistor Q3, the collector of the transistor Q3 is connected to the receiving end of the Bluetooth integrator through the resistor R8, one end of the capacitor C4 is connected to the connection point between the resistor R8 and the receiving end of the Bluetooth integrator, and the other end of the capacitor C4 is connected to the ground.

[0012] As a further improvement of the above technical solution, the valve control module includes a resistor R12, a resistor R13, a resistor R14, a resistor R15, an NPN-type transistor Q5, and a PNP-type transistor Q6. The main control module is connected to the base of the transistor Q5 through the resistor R12, the emitter of the transistor Q5 is connected to the ground, the collector of the transistor Q5 is connected to the base of the transistor Q6 through the resistor R13, the emitter of the transistor Q6 is connected to the power module, one end of the resistor R14 is connected to the base of the transistor Q6, the other end of the resistor R14 is connected to the emitter of the transistor Q6, the collector of the transistor Q6 is connected to one end of the gas valve through the resistor R15, and the other end of the gas valve is connected to the ground.

[0013] The beneficial effects of the present utility model are as follows: the technical solution installs a temperature probe for contacting the bottom of the kettle at the top position of the burner of the stove, so as to realize the temperature detection function of the kettle by the main control module. The main control module transmits the temperature data of the kettle to the user through the wireless communication module. When the gas disconnection condition is met, the main control module controls the disconnection action of the gas valve through the valve control module. When the stove is heating the kettle, the temperature data of the kettle can be obtained at any time without the user waiting nearby. The user can shut off the gas supply at any time, which is highly safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further explained below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a circuit module framework diagram of the utility model;

[0017] Figure 3 This is a circuit diagram of the temperature detection module in the utility model;

[0018] Figure 4 This is a circuit diagram of the first signal converter and the second signal converter in the present utility model;

[0019] Figure 5 It is a circuit diagram of the valve control module in the utility model. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of this utility model, the meaning of "several" is one or more, the meaning of "many" is more than two, and the meanings of "greater than", "less than", "exceed", etc. are not inclusive of the number itself, while the meanings of "above", "below", "within", etc. are inclusive of the number itself. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features. In the description of this utility model, unless otherwise clearly defined, the terms "set", "install", "connect", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in this utility model in combination with the specific content of the technical solution.

[0023] Reference Figures 1 to 5 The present application discloses a stove control system. A first embodiment thereof includes a burner 100, a pipe 200 communicating with the burner 100, and a control circuit. A temperature probe 300 for contacting the bottom of a kettle is mounted on the top of the burner 100. A spring is mounted between the burner 100 and the temperature probe 300 to ensure close contact between the temperature probe 300 and the bottom of the kettle, thereby improving the accuracy of temperature detection at the bottom of the kettle. A gas valve is mounted on the pipe 200.

[0024] The control circuit includes a power supply module, a main control module, a wireless communication module, a temperature detection module and a valve control module. The power supply module is respectively connected to the main control module, the wireless communication module, the temperature detection module and the valve control module. The temperature probe 300 is connected to the temperature detection module, the gas valve is connected to the valve control module, and the main control module is respectively connected to the wireless communication module, the temperature detection module and the valve control module.

[0025] Specifically, in this embodiment, a temperature probe 300 for contacting the bottom of the kettle is installed at the top position of the burner 100 of the stove, so as to realize the temperature detection function of the kettle by the main control module. The main control module transmits the temperature data of the kettle to the user through the wireless communication module. When the gas disconnection condition is met, the main control module controls the disconnection action of the gas valve through the valve control module. When the stove is heating the kettle, the temperature data of the kettle can be obtained at any time without the user waiting nearby. The user can shut off the gas supply at any time, which is highly safe.

[0026] As a further preferred embodiment, in this embodiment, the temperature detection module includes a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a transient suppression diode D1, and the temperature probe 300 is attached. Figure 2 The resistor RT is connected to the power module, one end of the temperature probe 300 is connected to the power module, and the other end of the temperature probe 300 is connected to the main control module through the resistor R1. One end of the capacitor C1 is connected to the connection point between the resistor R1 and the main control module, and the other end of the capacitor C1 is connected to the ground. One end of the resistor R2 is connected to the connection point between the temperature probe 300 and the resistor R1, and the other end of the resistor R2 is connected to the main control module. The capacitor C2 is connected in parallel with the temperature probe 300. One end of the resistor R3 is connected to the connection point between the temperature probe 300 and the resistor R1, and the other end of the resistor R3 is connected to the ground. The positive electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe 300 and the resistor R1, and the negative electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe 300 and the capacitor C2.

[0027] Further as a preferred implementation, in this embodiment, the wireless communication module includes a Bluetooth integrator with model BT4502A, a first signal converter and a second signal converter, the Bluetooth integrator is configured with a transmitting end and a receiving end, the transmitting end of the Bluetooth integrator is connected to the main control module through the first signal converter, and the receiving end of the Bluetooth integrator is connected to the main control module through the second signal converter.

[0028] As a further preferred embodiment, in this embodiment, the first signal converter includes a PNP-type transistor Q1, an NPN-type transistor Q2, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a capacitor C3. The transmitting end of the Bluetooth integrator is connected to the base of the transistor Q1 through the resistor R4, the emitter of the transistor Q1 is connected to the power module, the collector of the transistor Q1 is connected to the base of the transistor Q2 through the resistor R5, the emitter of the transistor Q2 is connected to the ground, and the collector of the transistor Q2 is connected to the main control module through the resistor R7. One end of the capacitor C3 is connected to the connection point between the resistor R7 and the main control module, and the other end of the capacitor C3 is connected to the ground. One end of the resistor R6 is connected to the base of the transistor Q2, and the other end of the resistor R6 is connected to the ground.

[0029] Further as a preferred embodiment, in this embodiment, the second signal converter includes an NPN-type transistor Q3, a PNP-type transistor Q4, a resistor R8, a resistor R9, a resistor R10, a resistor R11 and a capacitor C4. The main control module is connected to the base of the transistor Q4 through the resistor R11, the emitter of the transistor Q4 is connected to the power module, the collector of the transistor Q4 is connected to the base of the transistor Q3 through the resistor R10, the emitter of the transistor Q3 is connected to the ground, one end of the resistor R9 is connected to the base of the transistor Q3, the other end of the resistor R9 is connected to the emitter of the transistor Q3, the collector of the transistor Q3 is connected to the receiving end of the Bluetooth integrator through the resistor R8, one end of the capacitor C4 is connected to the connection point between the resistor R8 and the receiving end of the Bluetooth integrator, and the other end of the capacitor C4 is connected to the ground.

[0030] As a further preferred embodiment, in this embodiment, the valve control module includes a resistor R12, a resistor R13, a resistor R14, a resistor R15, an NPN-type transistor Q5, and a PNP-type transistor Q6. The main control module is connected to the base of the transistor Q5 through the resistor R12, the emitter of the transistor Q5 is connected to the ground, the collector of the transistor Q5 is connected to the base of the transistor Q6 through the resistor R13, the emitter of the transistor Q6 is connected to the power module, one end of the resistor R14 is connected to the base of the transistor Q6, the other end of the resistor R14 is connected to the emitter of the transistor Q6, the collector of the transistor Q6 is connected to one end of the gas valve through the resistor R15, and the other end of the gas valve is connected to the ground.

[0031] In this embodiment, the valve control module further includes a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a capacitor C5, a capacitor C6, a capacitor C7, a PNP transistor Q7, an NPN transistor Q8, a PNP transistor Q9, a diode D2, and an inductor L1. The main control module is connected to the base of the transistor Q7 through the resistor R16, the emitter of the transistor Q7 is connected to the power module, the collector of the transistor Q7 is connected to the base of the transistor Q8 through the resistor R17, the two ends of the resistor R18 are connected to the base and emitter of the transistor Q8 in a one-to-one correspondence, the collector of the transistor Q8 is connected to the connection point between the resistor R15 and the gas valve through the resistor R20, the capacitor C5 is connected in parallel with the gas valve, and the resistor R2 One end of the resistor R1 is connected to the connection point between the resistor R15 and the gas valve, the other end of the resistor R21 is connected to the power module, one end of the resistor R19 is connected to the connection point between the resistor R15 and the gas valve, the other end of the resistor R19 is connected to the ground terminal and the main control module through the capacitor C6, the emitter of the transistor Q8 is connected to the ground terminal through the resistor R24, the capacitor C7 is connected in parallel with the resistor R24, the emitter of the transistor Q8 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to the ground terminal through the inductor L1, the cathode of the diode D2 is connected to the collector of the transistor Q9, and the emitter of the transistor Q9 is connected to the power module, the two ends of the resistor R23 are connected one-to-one with the base and emitter of the transistor Q9, and the base of the transistor Q9 is connected to the main control module through the resistor R22.

[0032] As a further preferred embodiment, in this embodiment, a backfire probe 400 is also installed in the pipeline 200, and the control circuit also includes a backfire detection module. The main control module is connected to the backfire detection module, and the backfire detection module is connected to the backfire probe 400.

[0033] The above are only preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made based on the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A stove control system, characterized in that: The invention comprises a burner (100), a pipe (200) communicating with the burner (100), and a control circuit; a temperature probe (300) for contacting the bottom of a kettle is installed on the top of the burner (100); and a gas valve is installed on the pipe (200); The control circuit comprises a power supply module, a main control module, a wireless communication module, a temperature detection module and a valve control module, wherein the power supply module is respectively connected to the main control module, the wireless communication module, the temperature detection module and the valve control module, the temperature probe (300) is connected to the temperature detection module, the gas valve is connected to the valve control module, and the main control module is respectively connected to the wireless communication module, the temperature detection module and the valve control module.

2. The stove control system according to claim 1, characterized in that: The temperature detection module comprises a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a transient suppression diode D1. One end of the temperature probe (300) is connected to the power module, and the other end of the temperature probe (300) is connected to the main control module through the resistor R1. One end of the capacitor C1 is connected to the connection point between the resistor R1 and the main control module, and the other end of the capacitor C1 is connected to the ground. One end of the resistor R2 is connected to the connection point between the temperature probe (300) and the resistor R1, and the other end of the resistor R2 is connected to the main control module. The capacitor C2 is connected in parallel with the temperature probe (300). One end of the resistor R3 is connected to the connection point between the temperature probe (300) and the resistor R1, and the other end of the resistor R3 is connected to the ground. The positive electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe (300) and the resistor R1, and the negative electrode of the transient suppression diode D1 is connected to the connection point between the temperature probe (300) and the capacitor C2.

3. The stove control system according to claim 1, characterized in that: The wireless communication module includes a Bluetooth integrator with model BT4502A, a first signal converter and a second signal converter. The Bluetooth integrator is configured with a transmitting end and a receiving end. The transmitting end of the Bluetooth integrator is connected to the main control module through the first signal converter, and the receiving end of the Bluetooth integrator is connected to the main control module through the second signal converter.

4. The cooker control system according to claim 3, characterized in that: The first signal converter includes a transistor Q1, a transistor Q2, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a capacitor C3. The transmitting end of the Bluetooth integrator is connected to the base of the transistor Q1 through the resistor R4, the emitter of the transistor Q1 is connected to the power module, the collector of the transistor Q1 is connected to the base of the transistor Q2 through the resistor R5, the emitter of the transistor Q2 is connected to the ground, and the collector of the transistor Q2 is connected to the main control module through the resistor R7. One end of the capacitor C3 is connected to the connection point between the resistor R7 and the main control module, and the other end of the capacitor C3 is connected to the ground. One end of the resistor R6 is connected to the base of the transistor Q2, and the other end of the resistor R6 is connected to the ground.

5. The cooker control system according to claim 3, characterized in that: The second signal converter includes a transistor Q3, a transistor Q4, a resistor R8, a resistor R9, a resistor R10, a resistor R11 and a capacitor C4. The main control module is connected to the base of the transistor Q4 through the resistor R11, the emitter of the transistor Q4 is connected to the power module, the collector of the transistor Q4 is connected to the base of the transistor Q3 through the resistor R10, the emitter of the transistor Q3 is connected to the ground, one end of the resistor R9 is connected to the base of the transistor Q3, the other end of the resistor R9 is connected to the emitter of the transistor Q3, the collector of the transistor Q3 is connected to the receiving end of the Bluetooth integrator through the resistor R8, one end of the capacitor C4 is connected to the connection point between the resistor R8 and the receiving end of the Bluetooth integrator, and the other end of the capacitor C4 is connected to the ground.

6. The cooker control system according to claim 1, characterized in that: The valve control module includes a resistor R12, a resistor R13, a resistor R14, a resistor R15, a transistor Q5 and a transistor Q6. The main control module is connected to the base of the transistor Q5 through the resistor R12, the emitter of the transistor Q5 is connected to the ground, the collector of the transistor Q5 is connected to the base of the transistor Q6 through the resistor R13, the emitter of the transistor Q6 is connected to the power module, one end of the resistor R14 is connected to the base of the transistor Q6, the other end of the resistor R14 is connected to the emitter of the transistor Q6, the collector of the transistor Q6 is connected to one end of the gas valve through the resistor R15, and the other end of the gas valve is connected to the ground.

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