Electric flame stove with empty burning alarm function

Abstract

The utility model discloses an electric flame stove with an empty burning alarm function, which comprises an electric flame stove shell, a flame tube, a control circuit board, a magnetic block and an alarm circuit, one end of the flame tube is arranged in the electric flame stove shell, and the other end of the flame tube extends outwards; the control circuit board is arranged in the electric flame stove shell and comprises a controller and a flame driving circuit, and the controller is used for controlling the flame driving circuit to generate plasma flames and outputting the plasma flames from the flame tube; the control circuit board further comprises an infrared temperature measurement circuit, the infrared temperature measurement circuit is arranged on the electric flame stove shell, the infrared temperature measurement circuit is electrically connected with the controller, and the controller is further used for obtaining temperature information of the heating kettle through the infrared temperature measurement circuit; the alarm circuit is connected with the controller, and when the controller detects that the temperature is higher than a set temperature value, the alarm circuit gives an alarm prompt to remind a user to handle in time, so that accidents such as fire disasters or burnout of the metal pot are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric flame range technical field especially, it relates to a kind of electric flame range with empty burning alarm function. BACKGROUND

[0002] Electric Cooktop is a kind of kitchen utensil heated by electricity, and its working principle is based on the heat generated by plasma. Plasma is a high-temperature gas composed of ionized gas molecules and free electrons. In the electric flame range of plasma flame, a strong electric field or radio frequency power source is used to ionize the gas (usually argon, nitrogen or a mixture of argon and nitrogen), generating plasma. The high temperature of the plasma enables it to be used as a flame source. The plasma flame in the electric flame range can reach very high temperature, so it can quickly heat food.

[0003] When the electric flame range is in use, the temperature generated by the flame is relatively high, and when the electric flame range is in empty burning, it will cause the temperature of the kitchenware (such as a pot) to be too high and pose a danger. Therefore, it is necessary to alarm and handle the empty burning of the electric flame range. SUMMARY

[0004] The utility model aims to solve one of the technical problems in the related art at least to some extent. To this end, one object of the utility model is to provide an electric flame range with empty burning alarm function.

[0005] To achieve the above-mentioned object, according to the electric flame range with empty burning alarm function according to the utility model embodiment, it comprises:

[0006] Electric flame range shell;

[0007] Flame tube, one end of the flame tube is arranged in the electric flame range shell, and the other end extends outward;

[0008] Control circuit board, the control circuit board is arranged in the electric flame range shell, the control circuit board includes a controller and a flame driving circuit, the controller is used to control the flame driving circuit to generate plasma flame, and the plasma flame is output from the flame tube; the control circuit board further includes an infrared temperature measurement circuit, the infrared temperature measurement circuit is arranged on the electric flame range shell, the infrared temperature measurement circuit is electrically connected with the controller, and the controller is further used to acquire temperature information of the heating pot through the infrared temperature measurement circuit;

[0009] Alarm circuit, the alarm circuit is connected with the controller, and when the controller detects that the temperature is higher than the set temperature value, the alarm circuit is used for alarm prompt.

[0010] Further, according to one embodiment of the utility model, the infrared temperature measurement circuit includes a thermal imaging temperature measurement matrix sensor UT.

[0011] Further, according to one embodiment of the utility model, the temperature detection circuit further comprises:

[0012] Resistance R10, the data end of thermal imaging temperature measurement matrix sensor UT is connected with pull-up power supply VDD through resistance R10;

[0013] Resistance R11, the clock end of thermal imaging temperature measurement matrix sensor UT is connected with pull-up power supply VDD through resistance R10;

[0014] Capacitor C4, the power supply end of thermal imaging temperature measurement matrix sensor UT is connected with power supply VCC, the power supply end of thermal imaging temperature measurement matrix sensor UT is connected with reference ground through capacitor C4, and the ground end of thermal imaging temperature measurement matrix sensor UT is connected with reference ground.

[0015] Further, according to one embodiment of the utility model, the alarm circuit comprises:

[0016] Alarm B1, the positive end of alarm is connected with power supply VDD;

[0017] Triode Q3, the negative end of alarm B1 is connected with the collector of triode Q3, the emitter of triode Q3 is connected with reference ground, the emitter of triode Q3 is also connected with the base of triode Q3 through resistance R13, and the base of triode Q3 is also connected with the alarm control end of controller through resistance R12;

[0018] Diode D2, the cathode of diode D2 is connected with power supply VDD, and the anode of diode D2 is connected with the collector of triode Q3.

[0019] Further, according to one embodiment of the utility model, the control circuit board further comprises AC-DC conversion circuit and voltage transformation circuit, the AC-DC conversion circuit is used to convert input AC into DC;The voltage transformation circuit is connected with the DC output end, and the voltage transformation circuit is used to carry out voltage transformation output to the DC, to power supply for the flame driving circuit.

[0020] Further, according to one embodiment of the utility model, the control circuit board further comprises:

[0021] Key control circuit, the control key is also set up on the electric flame hearth shell, one end of control key is connected with power supply VDD through resistance R3, the other end of control key is connected with one end of resistance R4 and the key signal detection end of controller, and the other end of resistance R4 is connected with reference ground.

[0022] Further, according to one of the embodiments of the utility model, the control circuit board further includes knob adjustment circuit, the knob adjustment circuit includes an adjustable resistance RX and resistance R5, one end of adjustable resistance RX is connected with power supply VDD, the other end of adjustable resistance RX is connected with controller knob voltage detection end and one end of resistance R5 respectively, the other end of resistance R5 is connected with reference ground;The adjustment knob is further equipped on the electric flame stove shell, and the adjustment knob is used for adjusting resistance value of adjustable resistance RX.

[0023] Further, according to one of the embodiments of the utility model, the transformer circuit includes:

[0024] MOS tube Q1, the gate of MOS tube Q1 is connected with the first drive signal output end of the controller through the first drive circuit, the drain of MOS tube Q1 is connected with the direct current output end, the drain of MOS tube Q1 is connected with the source of MOS tube Q1 through capacitor C1, and the source of MOS tube Q1 is also connected with the gate of MOS tube Q1 through resistance R1;

[0025] MOS tube Q2, the gate of MOS tube Q2 is connected with the second drive signal output end of the controller through the second drive circuit, the drain of MOS tube Q2 is connected with the source of MOS tube Q1, the drain of MOS tube Q2 is also connected with the source of MOS tube Q2 through capacitor C2, and the source of MOS tube Q2 is also connected with reference ground;

[0026] Transformer T, one end of primary coil T1A of transformer T is connected with the drain of MOS tube Q2, the other end of primary coil T1A of transformer T is connected with reference ground through capacitor C3, and secondary coil T1B of transformer T is connected with the flame drive circuit.

[0027] Further, according to one of the embodiments of the utility model, the control circuit board further includes:

[0028] Auxiliary power supply circuit, the auxiliary power supply circuit is connected with auxiliary coil T1C of transformer T, so as to convert the output power supply of auxiliary coil T1C of transformer T, and provide power supply VDD for the controller, temperature detection circuit and alarm circuit.

[0029] Further, according to one of the embodiments of the utility model, the auxiliary power supply circuit includes:

[0030] Diode D1, the anode of diode D1 is connected with one end of auxiliary coil T1C of transformer T, and the other end of auxiliary coil T1C of transformer T is connected with reference ground;

[0031] a capacitor CE2, one end of the capacitor CE2 is connected with the cathode of the diode D1, the other end of the capacitor CE2 is connected with the reference ground;

[0032] a three-terminal voltage regulator, the power input end of the three-terminal voltage regulator is connected with the cathode of the diode D1, the output end of the three-terminal voltage regulator is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a resistor R9, the other end of the resistor R9 is connected with the reference ground, and the common end of the resistor R8 and the resistor R9 is connected with the voltage regulating end of the three-terminal voltage regulator.

[0033] The electric flame stove with the empty burning alarm function provided by the embodiment of the utility model, through one end of the flame pipe being arranged in the electric flame stove shell and the other end of the flame pipe extending outward, a control circuit board is arranged in the electric flame stove shell, the control circuit board comprises a controller and a flame driving circuit, the controller is used for controlling the flame driving circuit to generate plasma flame and output the plasma flame from the flame pipe, the control circuit board further comprises an infrared temperature measurement circuit, the infrared temperature measurement circuit is arranged on the electric flame stove shell, the infrared temperature measurement circuit is electrically connected with the controller, the controller is further used for acquiring temperature information of a heating pot through the infrared temperature measurement circuit, an alarm circuit is connected with the controller, and the controller detects that the temperature is higher than a set temperature value, and alarm prompting is carried out through the alarm circuit, so as to remind the user to handle in time and avoid accidents such as fire or metal pot burning. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 The structure block diagram of the electric flame stove with the empty burning alarm function provided by the embodiment of the utility model is shown in the figure;

[0035] Figure 2 The circuit structure schematic view of the control circuit board provided by the embodiment of the utility model is shown in the figure;

[0036] Figure 3 The structure schematic view of the flame driving circuit provided by the embodiment of the utility model is shown in the figure;

[0037] Figure 4 The structure schematic view of the infrared temperature measurement circuit provided by the embodiment of the utility model is shown in the figure;

[0038] Figure 5 The structure schematic view of the alarm circuit provided by the embodiment of the utility model is shown in the figure;

[0039] Figure 6 The structure schematic view of the auxiliary power supply circuit provided by the embodiment of the utility model is shown in the figure.

[0040] REFERENCE SIGNS:

[0041] The electric flame stove shell 10;

[0042] The stove support plate 101;

[0043] Infrared sensor head 20;

[0044] Flame tube 30;

[0045] Control button 40;

[0046] Adjusting knob 50.

[0047] The purposes, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with embodiments. DETAILED DESCRIPTION

[0048] For those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0049] In this document, reference to“an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. Those skilled in the art will appreciate that embodiments described herein can be combined with other embodiments.

[0050] Referring to Figures 1 to 5 , the embodiment of the present application provides an electric flame cooker with empty burning alarm function, comprising: an electric flame cooker shell 10, a flame tube 30, a control circuit board and an alarm circuit, one end of the flame tube 30 is arranged in the electric flame cooker shell 10, and the other end extends outward; the control circuit board is arranged in the electric flame cooker shell, the control circuit board comprises a controller and a flame driving circuit, the controller is used for controlling the flame driving circuit to generate plasma flame and output the plasma flame from the flame tube; the control circuit board further comprises an infrared temperature measurement circuit, the infrared temperature measurement circuit is arranged on the electric flame cooker shell, the infrared temperature measurement circuit is electrically connected with the controller, and the controller is further used for acquiring temperature information of a heating pot through the infrared temperature measurement circuit; the alarm circuit is connected with the controller, and the controller detects that the temperature is higher than a set temperature value, and then alarms through the alarm circuit.

[0051] Specifically, as Figure 1As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated.

[0052] As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated. Figure 2 and Figure 3 As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated. Figure 3 As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated. Figure 1 As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated.

[0053] As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated. Figure 1 As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated.

[0054] As shown in FIG. 1, the electric flame stove shell 10 is also provided with a stove support plate 101, in use, an iron pot can be placed on the stove support plate 101, and the plasma flame output by the control circuit board can be sprayed out through the flame tube 30. Thus, the iron pot placed on the stove support plate 101 can be heated. Figure 4In an embodiment of the utility model, infrared temperature measurement circuit includes a thermal imaging temperature measurement matrix inductor UT. Because the object of nature above absolute zero is all ceaseless to the outside radiation energy, the object's outside radiation energy's size and its distribution according to wavelength have very close contact with its surface temperature, the object's temperature is higher, the infrared radiation ability that emits is stronger. Therefore, through thermal imaging temperature measurement matrix inductor can be good to the detection of infrared radiation, to realize the detection of the temperature of heating pot.

[0055] Refer to Figure 4 , the temperature detection circuit still includes: resistance R10, resistance R11 and capacitor C4, the data end of thermal imaging temperature measurement matrix inductor UT is connected with pull-up power supply VDD through resistance R10;The clock end of thermal imaging temperature measurement matrix inductor UT is connected with pull-up power supply VDD through resistance R10;The power supply end of thermal imaging temperature measurement matrix inductor UT is connected with power supply VCC, and the power supply end of thermal imaging temperature measurement matrix inductor UT is connected with reference ground through capacitor C4, and the ground end of thermal imaging temperature measurement matrix inductor UT is connected with reference ground. As shown in Figure 4 In the interference signal of the power supply end of thermal imaging temperature measurement matrix inductor UT can be filtered out through capacitor C4, for thermal imaging temperature measurement matrix inductor UT provides stable power supply, and the influence of power supply fluctuation on thermal imaging temperature measurement matrix inductor UT, through resistance R10, resistance R11 can provide stable pull-up level for the signal end of thermal imaging temperature measurement matrix inductor UT, so that thermal imaging temperature measurement matrix inductor UT has stable initial state, guarantees the reliable communication between thermal imaging temperature measurement matrix inductor UT and controller, and the thermal imaging temperature signal collected is transmitted to the controller. In this way, the controller can obtain the temperature value detected, and alarm or stop flame output stop control processing according to the temperature value detected.

[0056] Refer to Figure 5 , the alarm circuit includes: alarm B1, triode Q3 and diode D2, the positive end of alarm is connected with power supply VDD;The collector of triode Q3 is connected with the negative end of alarm B1, and the emitter of triode Q3 is connected with reference ground, and the emitter of triode Q3 is also connected with the base of triode Q3 through resistance R13, and the base of triode Q3 is also connected with the alarm control end of controller through resistance R12;The cathode of diode D2 is connected with power supply VDD, and the anode of diode D2 is connected with the collector of triode Q3.

[0057] As Figure 5As shown in FIG. 1, the controller can output a control signal through the Buz signal terminal to control the sound of the alarm B1. When a high-level control signal is output through the Buz signal terminal, the transistor Q3 can be controlled to be turned on through the resistor R12; conversely, when a low-level control signal is output through the Buz signal terminal, the transistor Q3 can be controlled to be turned off through the resistor R12. The alarm can be a buzzer, and the controller can work the buzzer B1 to vibrate and emit an alarm sound by outputting a high-low level pulse signal. The diode D2 is arranged between the collector of the transistor Q3 and the power supply VDD, which can protect the transistor Q3 from damage caused by an abnormally high pulse signal of the buzzer.

[0058] Referring to Figure 2 , the control circuit board further comprises an AC-DC conversion circuit and a voltage conversion circuit. The AC-DC conversion circuit is used to convert input AC power into DC power. The voltage conversion circuit is connected with the DC output terminal, and is used to convert and output the DC power to supply power to the flame driving circuit. As shown in Figure 2 , the AC power from the power grid can be converted into DC power by the AC-DC conversion circuit. The AC-DC conversion circuit can comprise an AC input anti-interference circuit, a rectifier circuit and a capacitor EC1. The AC input anti-interference circuit is used to absorb interference signals of the plug to avoid affecting the rear-end circuit and some overcurrent protection, etc. The rectifier circuit comprises a rectifier bridge BD1, which can rectify the input AC power into DC power and output the DC power. The capacitor EC1 can convert the pulsating DC power output by the rectifier bridge BD1 into stable DC power and output the stable DC power to the voltage conversion circuit. Under the action of the pulse signal output by the controller, the voltage conversion circuit can convert and output the DC power through a transformer to supply power to the flame driving circuit.

[0059] Referring to Figure 1 and Figure 2 , the control circuit board further comprises a key control circuit. The electric flame cooker shell 10 is further provided with a control key K1 (40). One end of the control key 40 is connected with the power supply VDD through a resistor R3, and the other end of the control key 40 is connected with one end of a resistor R4 and a key signal detection terminal of the controller. The other end of the resistor R4 is connected with a reference ground. As shown in Figure 2 , the control key K1 (40) can send a control signal to the controller, and the controller can convert the working state or perform power-on / off control according to the control signal. The key control circuit can have one or more according to actual application needs. As shown in Figure 1 , the control key 40 for controlling power-on / off can be installed on the electric flame cooker shell 10 to facilitate the user to perform power-on / off operation control.

[0060] Referring to Figure 1 and Figure 2 , the control circuit board further comprises a knob adjusting circuit, the knob adjusting circuit comprises an adjustable resistor RX and a resistor R5, one end of the adjustable resistor RX is connected with the power supply VDD, the other end of the adjustable resistor RX is connected with the controller knob voltage detection end and one end of the resistor R5 respectively, the other end of the resistor R5 is connected with the reference ground; the electric flame cooker shell 10 is further provided with an adjusting knob 50, the adjusting knob 50 is used for adjusting the resistance value of the adjustable resistor RX. As shown in Figure 2 , a voltage dividing circuit is formed between the adjustable resistor RX and the resistor R5, low voltage DC VD is divided and output to the controller, the voltage value of the adjustable resistor RX can be adjusted by adjusting the knob 50. In this way, the controller can detect different voltage values, and the controller can convert the working state or adjust the flame according to different voltage values. As shown in Figure 1 , the adjusting knob 50 can be installed on the electric flame cooker shell 10 to facilitate the user to adjust the flame.

[0061] Referring to Figure 2 , the voltage conversion circuit comprises a MOS tube Q1, a MOS tube Q2 and a transformer T, the gate of the MOS tube Q1 is connected with the first drive signal output end of the controller through a first drive circuit, the drain of the MOS tube Q1 is connected with the DC output end, the drain of the MOS tube Q1 is connected with the source of the MOS tube Q1 through a capacitor C1, and the source of the MOS tube Q1 is further connected with the gate of the MOS tube Q1 through a resistor R1; the gate of the MOS tube Q2 is connected with the second drive signal output end of the controller through a second drive circuit, the drain of the MOS tube Q2 is connected with the source of the MOS tube Q1, the drain of the MOS tube Q2 is further connected with the source of the MOS tube Q2 through a capacitor C2, and the source of the MOS tube Q2 is further connected with the reference ground; one end of the primary coil T1A of the transformer T is connected with the drain of the MOS tube Q2, the other end of the primary coil T1A of the transformer T is connected with the reference ground through a capacitor C3, and the secondary coil T1B of the transformer T is connected with the flame drive circuit.

[0062] As Figure 2As shown in the figure, the MOS tube Q1, the MOS tube Q2 and the transformer T constitute a resonant transformer circuit, and the MOS tube Q1 and the MOS tube Q2 can be controlled by the first driving circuit and the second driving circuit to conduct alternately. When the MOS tube Q1 is on and the MOS tube Q2 is off, the direct current HV charges the primary coil T1A of the transformer through the MOS tube Q1, and drives the electrode to generate the flame after being transformed by the transformer T1B. When the MOS tube Q1 is off and the MOS tube Q1 is on, the primary coil of the transformer T, the drain inductance and the capacitor C3 constitute a resonant circuit. The resonant circuit can control the MOS tube Q1 and the MOS tube Q2 to be soft switched in the resonant period, thereby reducing the power consumption of the MOS tube Q1 and the MOS tube Q2. Further, the power loss of the circuit is reduced.

[0063] Referring to Figure 6 The control circuit board further comprises an auxiliary power supply circuit, which is connected with the auxiliary coil T1C of the transformer T, so as to convert the output power supply of the auxiliary coil T1C of the transformer T and provide the power supply VDD for the controller. Figure 6 As shown in the figure, the auxiliary power supply circuit comprises a diode D1, a capacitor CE2 and a three-terminal voltage regulator U4. The anode of the diode D1 is connected with one end of the auxiliary coil T1C of the transformer T, and the other end of the auxiliary coil T1C of the transformer T is connected with the reference ground. One end of the capacitor CE2 is connected with the cathode of the diode D1, and the other end of the capacitor CE2 is connected with the reference ground. The power input end of the three-terminal voltage regulator is connected with the cathode of the diode D1, the output end of the three-terminal voltage regulator is connected with one end of the resistor R8, the other end of the resistor R8 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the reference ground, and the common end of the resistor R8 and the resistor R9 is connected with the voltage regulating end of the three-terminal voltage regulator.

[0064] The working process of the auxiliary power supply circuit is as follows: the power supply output by the auxiliary coil T1C of the transformer T is rectified by the diode D1, filtered and stabilized by the capacitor EC2, and then output by the three-terminal voltage regulator U4. The low-voltage direct current output by the VDD power supply end can provide power supply for each circuit module.

[0065] The above is only an embodiment of the present application, but does not limit the patent range of the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features. Any equivalent structure made by referring to the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the present application.

[0066] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0067] Although the embodiments of the present application have been shown and described above, it should be understood that the above-described embodiments are exemplary, and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application without departing from the principles and spirits of the present application, and all of them are within the protection scope of the present application.

Claims

1. An electric flame burner with a pilot light failure alarm function, characterized in that, The application relates to an electric flame cooker, which comprises the following parts: an electric flame cooker shell; a flame tube, one end of which is arranged in the electric flame cooker shell and the other end of which extends outward; a control circuit board arranged in the electric flame cooker shell, the control circuit board comprising a controller and a flame driving circuit, the controller being used for controlling the flame driving circuit to generate a plasma flame and output the plasma flame from the flame tube; the control circuit board further comprising an infrared temperature measuring circuit arranged on the electric flame cooker shell, the infrared temperature measuring circuit being electrically connected with the controller, and the controller being further used for acquiring temperature information of a heating pot through the infrared temperature measuring circuit; an alarm circuit connected with the controller, the controller being used for alarming when detecting that the temperature is higher than a set temperature value.

2. The electric flame burner with a pilot light failure warning function according to claim 1, characterized in that, The infrared temperature measuring circuit comprises a thermal imaging temperature measuring matrix sensor UT.

3. The electric flame burner with a pilot light failure warning function according to claim 2, characterized in that, The infrared temperature measuring circuit further comprises: a resistor R10, a data end of the thermal imaging temperature measuring matrix sensor UT being connected with an upper pull power supply VDD through the resistor R10; a resistor R11, a clock end of the thermal imaging temperature measuring matrix sensor UT being connected with the upper pull power supply VDD through the resistor R10; a capacitor C4, a power supply end of the thermal imaging temperature measuring matrix sensor UT being connected with a power supply VCC, the power supply end of the thermal imaging temperature measuring matrix sensor UT being connected with a reference ground through the capacitor C4, and a grounding end of the thermal imaging temperature measuring matrix sensor UT being connected with the reference ground.

4. The electric flame simulator of claim 1, wherein, The alarm circuit comprises: an alarm B1, a positive end of the alarm being connected with a power supply VDD; a triode Q3, a collector of the triode Q3 being connected with a negative end of the alarm B1, an emitter of the triode Q3 being connected with a reference ground, the emitter of the triode Q3 being further connected with a base of the triode Q3 through a resistor R13, and the base of the triode Q3 being further connected with an alarm control end of the controller through a resistor R12; a diode D2, a cathode of the diode D2 being connected with the power supply VDD, and an anode of the diode D2 being connected with the collector of the triode Q3.

5. The electric flame burner with a pilot light failure warning function according to any one of claims 1 to 4, characterized in that, The control circuit board further comprises an AC-DC conversion circuit and a voltage transformation circuit, the AC-DC conversion circuit being used for converting input AC power into DC power; the voltage transformation circuit being connected with a DC power output end, and the voltage transformation circuit being used for transforming and outputting the DC power to supply power for the flame driving circuit.

6. The electric flame® burner with pilot light failure warning function according to claim 5, wherein The control circuit board further comprises: a key control circuit, the electric flame cooker shell further comprising a control key, one end of the control key being connected with a power supply VDD through a resistor R3, the other end of the control key being connected with one end of a resistor R4 and a key signal detection end of the controller, and the other end of the resistor R4 being connected with a reference ground.

7. The electric flame® burner with pilot light failure warning function according to claim 5, wherein The control circuit board further comprises a knob adjusting circuit, the knob adjusting circuit comprises an adjustable resistor RX and a resistor R5, one end of the adjustable resistor RX is connected with the power supply VDD, the other end of the adjustable resistor RX is connected with the controller knob voltage detection end and one end of the resistor R5 respectively, the other end of the resistor R5 is connected with the reference ground; the flame stove shell is further provided with an adjusting knob, and the adjusting knob is used for adjusting the resistance value of the adjustable resistor RX.

8. The electric flame® burner with pilot light failure warning function according to claim 5, wherein The voltage conversion circuit comprises: a MOS tube Q1, a gate of the MOS tube Q1 is connected with the first drive signal output end of the controller through a first drive circuit, a drain of the MOS tube Q1 is connected with the direct current output end, the drain of the MOS tube Q1 is connected with a source of the MOS tube Q1 through a capacitor C1, and the source of the MOS tube Q1 is further connected with the gate of the MOS tube Q1 through a resistor R1; a MOS tube Q2, a gate of the MOS tube Q2 is connected with the second drive signal output end of the controller through a second drive circuit, a drain of the MOS tube Q2 is connected with the source of the MOS tube Q1, the drain of the MOS tube Q2 is further connected with a source of the MOS tube Q2 through a capacitor C2, and the source of the MOS tube Q2 is further connected with the reference ground; a transformer T, one end of a primary coil T1A of the transformer T is connected with the drain of the MOS tube Q2, the other end of the primary coil T1A of the transformer T is connected with the reference ground through a capacitor C3, and a secondary coil T1B of the transformer T is connected with the flame driving circuit.

9. The electric flame® burner with pilot light failure warning function according to claim 8, wherein The control circuit board further comprises: an auxiliary power supply circuit, the auxiliary power supply circuit is connected with an auxiliary coil T1C of the transformer T, so as to convert the output power supply of the auxiliary coil T1C of the transformer T, and provide the power supply VDD for the controller, the temperature detection circuit and the alarm circuit.

10. The electric flame® burner with pilot light failure warning function according to claim 9, wherein The auxiliary power supply circuit comprises: a diode D1, an anode of the diode D1 is connected with one end of the auxiliary coil T1C of the transformer T, the other end of the auxiliary coil T1C of the transformer T is connected with the reference ground; a capacitor CE2, one end of the capacitor CE2 is connected with a cathode of the diode D1, and the other end of the capacitor CE2 is connected with the reference ground; a three-terminal voltage regulator, a power input end of the three-terminal voltage regulator is connected with the cathode of the diode D1, an output end of the three-terminal voltage regulator is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a resistor R9, the other end of the resistor R9 is connected with the reference ground, and a common end of the resistor R8 and the resistor R9 is connected with a voltage adjusting end of the three-terminal voltage regulator.

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