Controllable circuit, device and equipment for barbecue machine

Abstract

The utility model relates to the technical field of barbecue machines, and discloses a controllable circuit, device and equipment for a barbecue machine. According to the technical scheme, the controllable circuit for the barbecue machine comprises a control module, a heating module and a current conversion module, one end of the current conversion detection module is connected with the control module, and the other end of the current conversion detection module is connected with the heating module; the control module is used for outputting a circuit control signal to perform operation control on the heating module; the heating module is used for executing corresponding heating operation after receiving the circuit control signal; and the current conversion module is used for transmitting the circuit control signal to the control module. According to the utility model, barbecue heating control is carried out on the heating module through the control module, so that stable control on a heating device can be realized when the voltage of an alternating current power grid fluctuates, and better barbecue experience is brought to a user.

Description

Technical Field

[0001] The utility model relates to the technical field of barbecue machines, in particular to a controllable circuit, a device and equipment for barbecue machines. Background Art

[0002] Barbecue is the most primitive cooking method of human beings. The food processed by it is irresistible and can stimulate people's appetite. Barbecue, as a form of dining, is no longer just suitable for people to enjoy in summer, but has developed into a delicacy that can be enjoyed all year round. There are many kinds of barbecue equipment on the market now, and its heating methods include charcoal barbecue, gas barbecue, electric heating barbecue, etc.

[0003] However, most of the existing barbecue equipment is manually controlled, requiring the user to control the barbecue process by himself, which greatly limits its flexibility of use. Therefore, how to realize the circuit control of the barbecue equipment so that it can get rid of human intervention is the problem to be solved by the utility model.

[0004] The above contents are only used to assist in understanding the technical solution of the present utility model and do not constitute an admission that the above contents are prior art. Utility Model Content

[0005] The main purpose of the utility model is to provide a controllable circuit, device and equipment for a barbecue machine, aiming to solve the technical problem of how to realize the working circuit of the barbecue equipment.

[0006] To achieve the above object, the utility model proposes a controllable circuit for a barbecue machine, characterized in that the controllable circuit for the barbecue machine comprises: a control module, a heating module and a current conversion module, one end of the current conversion module is connected to the control module, and the other end is connected to the heating module, and the control module is also connected to the heating module;

[0007] The control module is used to output a circuit control signal to control the operation of the heating module;

[0008] The heating module is used to perform a corresponding heating operation after receiving the circuit control signal;

[0009] The current conversion module is used to transmit the circuit control signal to the control module.

[0010] Optionally, the control module includes a rectifier circuit unit and a main control unit, one end of the rectifier circuit unit is connected to the current conversion module, and the other end is connected to the main control unit, and the main control unit is also connected to the heating module;

[0011] The rectifier circuit unit is used to convert the received AC signal into a DC signal, and transmit the zero-crossing signal generated in each conversion process to the main control unit, so that the main control unit performs signal synchronization;

[0012] The main control unit is used to output the corresponding circuit control signal to control the operation of the heating module when receiving the control instruction and the zero-crossing signal.

[0013] Optionally, the current conversion module includes a DC generating unit and a voltage detecting unit, one end of the DC generating unit is connected to the heating module, and the other end is connected to the voltage detecting unit, and the voltage detecting unit is also connected to the control module;

[0014] The DC generating unit is used to convert the external AC power into DC power suitable for the control module;

[0015] The voltage detection unit is used to detect the voltage value of the external AC power and output the detected voltage value of the external AC power to the control module.

[0016] Optionally, the heating module includes a first heating control unit, a second heating control unit, a third heating control unit and a fourth heating control unit; the first heating control unit includes first to third resistors, first to second plugs, a first capacitor, a first bidirectional trigger diode and a first photoelectric coupler; the first interface of the first photoelectric coupler is connected to a power supply, the second interface of the first photoelectric coupler is connected to one end of the third resistor, the fourth interface of the first photoelectric coupler is connected to the anode of the first bidirectional trigger diode, the sixth interface of the first photoelectric coupler is connected to one end of the second resistor, the other end of the second resistor is connected to one end of the first resistor, the other end of the third resistor is connected to the control module, the other end of the first resistor is connected to one end of the second plug, the cathode of the first bidirectional trigger diode is connected to one end of the first capacitor, the other end of the first capacitor is connected to one end of the first resistor, the common connection pole of the first bidirectional trigger diode is connected to one end of the second plug, and one end of the first plug is connected to the current conversion module;

[0017] The second heating control unit includes fourth to sixth resistors, third to fourth plugs, a second capacitor, a second bidirectional trigger diode and a second photoelectric coupler; the first interface of the second photoelectric coupler is connected to the power supply, the second interface of the second photoelectric coupler is connected to one end of the sixth resistor, the fourth interface of the second photoelectric coupler is connected to the anode of the second bidirectional trigger diode, the sixth interface of the second photoelectric coupler is connected to one end of the fifth resistor, the other end of the fifth resistor is connected to one end of the fourth resistor, the other end of the sixth resistor is connected to the control module, the other end of the fourth resistor is connected to one end of the fourth plug, the cathode of the second bidirectional trigger diode is connected to one end of the second capacitor, the other end of the second capacitor is connected to one end of the fourth resistor, the common connection electrode of the second bidirectional trigger diode is connected to one end of the fourth plug, and one end of the third plug is connected to the current conversion module;

[0018] The third heating control unit includes seventh to ninth resistors, fifth to sixth plugs, a third capacitor, a third bidirectional trigger diode and a third photoelectric coupler; the first interface of the third photoelectric coupler is connected to the power supply, the second interface of the third photoelectric coupler is connected to one end of the seventh resistor, the fourth interface of the third photoelectric coupler is connected to the anode of the third bidirectional trigger diode, the sixth interface of the third photoelectric coupler is connected to one end of the eighth resistor, the other end of the eighth resistor is connected to one end of the seventh resistor, the other end of the ninth resistor is connected to the control module, the other end of the seventh resistor is connected to one end of the sixth plug, the cathode of the third bidirectional trigger diode is connected to one end of the third capacitor, the other end of the third capacitor is connected to one end of the seventh resistor, the common connection electrode of the third bidirectional trigger diode is connected to one end of the sixth plug, and one end of the fifth plug is connected to the current conversion module;

[0019] The fourth heating control unit includes tenth to twelfth resistors, seventh to eighth plugs, a fourth capacitor, a fourth bidirectional trigger diode and a fourth photoelectric coupler; the first interface of the fourth photoelectric coupler is connected to the power supply, the second interface of the fourth photoelectric coupler is connected to one end of the twelfth resistor, the fourth interface of the fourth photoelectric coupler is connected to the anode of the fourth bidirectional trigger diode, the sixth interface of the fourth photoelectric coupler is connected to one end of the eleventh resistor, the other end of the eleventh resistor is connected to one end of the tenth resistor, the other end of the twelfth resistor is connected to the control module, the other end of the tenth resistor is connected to one end of the eighth plug, the cathode of the fourth bidirectional trigger diode is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to one end of the tenth resistor, the common connection electrode of the fourth bidirectional trigger diode is connected to one end of the eighth plug, and one end of the seventh plug is connected to the current conversion module.

[0020] Optionally, the DC generating unit specifically includes: a first adjustable resistor, a first mutual inductor, fifth to tenth capacitors and an AC power supply; one end of the first adjustable resistor is connected to the cathode of the first bidirectional trigger diode, the other end of the first adjustable resistor is connected to the second end of the fifth capacitor, the first end of the fifth capacitor is connected to one end of the first mutual inductor, the other end of the first mutual inductor is connected to the AC power supply, the negative electrode interface of the AC power supply is connected to the first end of the sixth capacitor, the positive electrode interface of the AC power supply is connected to the second end of the sixth capacitor, the first end of the seventh capacitor is connected to the first end of the sixth capacitor, the second end of the seventh capacitor is connected to the second end of the sixth capacitor, the first end of the eighth capacitor is connected to the first end of the ninth capacitor, the second end of the eighth capacitor is connected to the second end of the ninth capacitor, the first end of the eighth capacitor is also connected to the first end of the seventh capacitor, the second end of the eighth capacitor is also connected to the second end of the seventh capacitor, the first end of the ninth capacitor is also connected to the first end of the tenth capacitor, the second end of the ninth capacitor is also connected to the second end of the tenth capacitor, the first end of the tenth capacitor is grounded, and the second end of the tenth capacitor is connected to an external power supply.

[0021] Optionally, the voltage detection unit specifically includes: fourteenth to twenty-second resistors, eleventh to twelfth capacitors, a second mutual inductor and a pressure measuring chip; the first end of the fourteenth resistor is connected to the second end of the first adjustable resistor, the second end of the fourteenth resistor is connected to the second end of the fifteenth resistor, the second end of the fifteenth resistor is connected to the first end of the sixteenth resistor, the second end of the sixteenth resistor is connected to the second end of the seventeenth resistor, the first end of the seventeenth resistor is connected to the first end of the eighteenth resistor, the second end of the eighteenth resistor is connected to the first end of the second mutual inductor, the first end of the second mutual inductor is also connected to the first end of the first adjustable resistor, the second end of the second mutual inductor is connected to the first end of the nineteenth resistor, and the second end of the second mutual inductor is also connected to the first end of the twentieth resistor The first end of the nineteenth resistor is also connected to the first end of the twentieth resistor, the first end of the nineteenth resistor is also connected to the first end of the twelfth capacitor, the second end of the twelfth capacitor is connected to the second end of the twentieth resistor, the first end of the twelfth capacitor is connected to the second end of the twentieth resistor, the first end of the twelfth capacitor is grounded, the first interface of the pressure measuring chip is connected to one end of the eleventh capacitor, the other end of the eleventh capacitor is grounded, the first interface of the pressure measuring chip is also connected to a power supply, the fourth interface of the pressure measuring chip is connected to the second end of the twelfth capacitor, the fifth interface of the pressure measuring chip is grounded, the sixth interface of the pressure measuring chip is connected to the first end of the twenty-first resistor, the second end of the twenty-first resistor is connected to the second end of the twenty-second resistor, the first end of the twenty-second resistor is grounded, and the second end of the twenty-second resistor is connected to the control module.

[0022] Optionally, the rectifier circuit unit specifically includes: first to fourth diodes, twenty-third to twenty-fifth resistors and a fifth optocoupler relay; the first end of the twenty-third resistor is connected to the anode of the first diode, the second end of the twenty-third resistor is connected to the second end of the first adjustable resistor, the cathode of the first diode is connected to the cathode of the second diode, the anode of the second diode is connected to the cathode of the fourth diode, the anode of the third diode is connected to the anode of the fourth diode, the cathode of the third diode is connected to the anode of the first diode, the cathode of the fourth diode is also connected to the first end of the twenty-fourth resistor, the second end of the twenty-fourth resistor is connected to the first end of the first adjustable resistor, the first interface of the fifth optocoupler relay is connected to the cathode of the first diode, the second interface of the fifth optocoupler relay is connected to the anode of the fourth diode, the third interface of the fifth optocoupler relay is connected to the control module, the third interface of the fifth optocoupler relay is also connected to the first end of the twenty-fifth resistor, the second end of the twenty-fifth resistor is grounded, and the fourth interface of the fifth optocoupler relay is connected to the power supply.

[0023] Optionally, the main control unit specifically includes: a control chip, a twenty-sixth resistor and thirteenth to fourteenth capacitors; the seventh pin of the control chip is connected to the second end of the third resistor, the eighth pin of the control chip is connected to the second end of the sixth resistor, the ninth pin of the control chip is connected to the second end of the ninth resistor, the tenth pin of the control chip is connected to the second end of the twelfth resistor, the eleventh pin of the control chip is connected to the third interface of the fifth optocoupler relay, the twelfth pin of the control chip is connected to the second end of the twenty-first resistor, the sixteenth pin of the control chip is connected to the fifth pin of the control chip, the sixteenth pin of the control chip is also connected to the first end of the thirteenth capacitor, the second end of the thirteenth capacitor is grounded, the first end of the fourteenth capacitor is connected to the second end of the twenty-sixth resistor, the first end of the fourteenth capacitor is also connected to the first end of the thirteenth capacitor, the second end of the fourteenth capacitor is connected to the second end of the thirteenth capacitor, and the first end of the twenty-sixth resistor is connected to the power supply.

[0024] To achieve the above object, the utility model further provides a controllable device for a barbecue machine, wherein the controllable device for a barbecue machine comprises the controllable circuit for a barbecue machine as described above.

[0025] To achieve the above object, the utility model further provides a controllable device for a barbecue machine, wherein the controllable device for a barbecue machine comprises the controllable device for a barbecue machine as described above.

[0026] The technical solution of the utility model proposes a controllable circuit for a barbecue machine, the circuit includes: a control module, a heating module and a current conversion module, one end of the current conversion detection module is connected to the control module, and the other end is connected to the heating module; the control module is used to output a circuit control signal to control the operation of the heating module; the heating module is used to perform a corresponding heating operation after receiving the circuit control signal; the current conversion module is used to transmit the circuit control signal to the control module. The utility model controls the heating module for barbecue heating through the control module, so that the heating device can be stably controlled when the voltage of the AC power grid fluctuates, bringing a better barbecue experience to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0028] Figure 1 It is a first functional module diagram of a circuit embodiment of the utility model;

[0029] Figure 2 It is a second functional module diagram of a circuit embodiment of the utility model;

[0030] Figure 3 It is a third functional module diagram of a circuit embodiment of the utility model;

[0031] Figure 4 The figure is a schematic diagram of the circuit structure of an embodiment of the utility model circuit.

[0032] Description of Figure Numbers:

[0033]

[0034]

[0035] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their 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 addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0039] The utility model provides a controllable circuit for a barbecue machine.

[0040] Reference Figure 1 In the embodiment of the utility model, the controllable circuit for the barbecue machine includes a control module 10, a heating module 20 and a current conversion module 30, one end of the current conversion module 30 is connected to the control module 10, and the other end is connected to the heating module 20, and the control module 10 is also connected to the heating module 20;

[0041] It should be noted that, in a specific implementation, since the AC power grid may generate voltage fluctuations when supplying power, thus affecting the normal operation of electrical equipment, for example, if the AC voltage is nominally 220V, the actual voltage is 240V, and the nominal power of the heating appliance is 2000w, when the heating appliance is actually used, the actual power, heating speed, and heating temperature may fluctuate due to the voltage fluctuation of the AC power. Therefore, this embodiment will form a controllable circuit for a barbecue machine through a control module, a heating module, and a current conversion module, so that it can stably control the heating device when the voltage of the AC power grid fluctuates, so that the heating device is not affected by the fluctuation of the grid.

[0042] The control module 10 is used to output a circuit control signal to control the operation of the heating module;

[0043] It can be understood that, in a specific implementation, the circuit control signal is specifically an electrical signal sent by the user through the control module, and different circuit control instructions correspond to different electrical signals.

[0044] The heating module 20 is used to perform a corresponding heating operation after receiving the circuit control signal;

[0045] It should be noted that, in a specific implementation, the heating module 20 may be composed of a plurality of heating units, and in this embodiment, may be specifically composed of four heating units.

[0046] The current conversion module 30 is used to transmit the circuit control signal to the control module.

[0047] It should be noted that, in a specific implementation, the current conversion module 30 can also be used to adjust 220V AC power to 5V DC power, so as to be used by other low-voltage working devices such as control modules.

[0048] This embodiment proposes a controllable circuit for a barbecue machine, the circuit comprising: a control module, a heating module and a current conversion module, one end of the current conversion detection module is connected to the control module, and the other end is connected to the heating module; the control module is used to output a circuit control signal to control the operation of the heating module; the heating module is used to perform a corresponding heating operation after receiving the circuit control signal; the current conversion module is used to transmit the circuit control signal to the control module. This embodiment controls the heating module for barbecue heating through the control module, so that the heating device can be stably controlled when the AC power grid voltage fluctuates, bringing a better barbecue experience to users.

[0049] Further, refer to Figure 2 The control module 10 includes a rectifier circuit unit 11 and a main control unit 12. One end of the rectifier circuit unit 11 is connected to the current conversion module 30, and the other end is connected to the main control unit 12. The main control unit 12 is also connected to the heating module 20.

[0050] It can be understood that, in a specific implementation, the main control unit 12 may be composed of a control chip, which is used to generate and issue corresponding circuit control instructions after receiving an external control signal.

[0051] The rectifier circuit unit 11 is used to convert the received AC signal into a DC signal, and transmit the zero-crossing signal generated in each conversion process to the main control unit 12, so that the main control unit 12 performs signal synchronization;

[0052] It should be noted that, in a specific implementation, the rectifier circuit unit 11 rectifies the sinusoidal AC signal into a half-wave DC signal, and then the half-wave DC signal drives the optocoupler relay to generate a corresponding AC zero-crossing signal to be transmitted to the main control unit 12 .

[0053] The main control unit 12 is used to output the corresponding circuit control signal to control the operation of the heating module when receiving the control instruction and the zero-crossing signal.

[0054] It should also be noted that in a specific implementation, the main control unit 12 can control the time of the signal transmitted to the thyristor according to the time of the zero-crossing signal, and can also control the signal transmitted to the thyristor according to the size of the measured voltage value and the control signal transmitted from the outside.

[0055] Further, refer to Figure 3The current conversion module 30 includes a DC generating unit 31 and a voltage detecting unit 32. One end of the DC generating unit 31 is connected to the heating module 20, and the other end is connected to the voltage detecting unit 32. The voltage detecting unit 32 is also connected to the control module 10.

[0056] It can be understood that, in a specific implementation, the voltage detection unit 32 is also specifically used to transmit the voltage signal of the AC power to the pressure measuring chip through the sampling resistor in the form of voltage division, and then the pressure measuring chip transmits the current AC power voltage value to the main control unit.

[0057] The DC generating unit 31 is used to convert the external AC power into DC power suitable for the control module;

[0058] The voltage detection unit 32 is used to detect the voltage value of the external AC power and output the detected voltage value of the external AC power to the control module.

[0059] Further, refer to Figure 4 , the heating module includes a first heating control unit, a second heating control unit, a third heating control unit and a fourth heating control unit; the first heating control unit includes first to third resistors (R1-R3), first to second plugs (U1-U2), a first capacitor C1, a first bidirectional trigger diode U3 and a first photocoupler K1; the first interface of the first photocoupler K1 is connected to the power supply, the second interface of the first photocoupler K1 is connected to one end of the third resistor R3, the fourth interface of the first photocoupler K1 is connected to the anode of the first bidirectional trigger diode U3, the sixth interface of the first photocoupler K1 is connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to one end of the first resistor R1, the other end of the third resistor R3 is connected to the control module, the other end of the first resistor R1 is connected to one end of the second plug U2, the cathode of the first bidirectional trigger diode U3 is connected to one end of the first capacitor C1, the other end of the first capacitor C1 is connected to one end of the first resistor R1, the common connection electrode of the first bidirectional trigger diode U3 is connected to one end of the second plug U2, and one end of the first plug U1 is connected to the current conversion module;

[0060] The second heating control unit includes fourth to sixth resistors (R4-R6), third to fourth plugs (U4-U5), a second capacitor C2, a second bidirectional trigger diode U6 and a second photoelectric coupler K2; the first interface of the second photoelectric coupler K2 is connected to the power supply, the second interface of the second photoelectric coupler K2 is connected to one end of the sixth resistor R6, the fourth interface of the second photoelectric coupler K2 is connected to the anode of the second bidirectional trigger diode K2, the sixth interface of the second photoelectric coupler K2 is connected to one end of the fifth resistor R5, the other end of the fifth resistor R5 is connected to one end of the fourth resistor R4, the other end of the sixth resistor R6 is connected to the control module, the other end of the fourth resistor R4 is connected to one end of the fourth plug U5, the cathode of the second bidirectional trigger diode K2 is connected to one end of the second capacitor C2, the other end of the second capacitor C2 is connected to one end of the fourth resistor R4, the common connection electrode of the second bidirectional trigger diode K2 is connected to one end of the fourth plug U5, and one end of the third plug U4 is connected to the current conversion module;

[0061] The third heating control unit includes seventh to ninth resistors (R7-R9), fifth to sixth plugs (U7-U8), a third capacitor C3, a third bidirectional trigger diode U9 and a third photoelectric coupler K3; the first interface of the third photoelectric coupler K3 is connected to the power supply, the second interface of the third photoelectric coupler K3 is connected to one end of the seventh resistor R7, the fourth interface of the third photoelectric coupler K3 is connected to the anode of the third bidirectional trigger diode U9, the sixth interface of the third photoelectric coupler K3 is connected to one end of the eighth resistor R8, the other end of the eighth resistor R8 is connected to one end of the seventh resistor R7, the other end of the ninth resistor R9 is connected to the control module, the other end of the seventh resistor R7 is connected to one end of the sixth plug U8, the cathode of the third bidirectional trigger diode U9 is connected to one end of the third capacitor C3, the other end of the third capacitor C3 is connected to one end of the seventh resistor R7, the common connection electrode of the third bidirectional trigger diode U9 is connected to one end of the sixth plug U8, and one end of the fifth plug U7 is connected to the current conversion module;

[0062] The fourth heating control unit includes tenth to twelfth resistors (R10-R12), seventh to eighth plugs (U10-U11), a fourth capacitor C4, a fourth bidirectional trigger diode U12 and a fourth photoelectric coupler K4; a first interface of the fourth photoelectric coupler K4 is connected to a power supply, a second interface of the fourth photoelectric coupler K4 is connected to one end of the twelfth resistor R12, a fourth interface of the fourth photoelectric coupler K4 is connected to the anode of the fourth bidirectional trigger diode U12, a sixth interface of the fourth photoelectric coupler K4 is connected to one end of the eleventh resistor R11, and the The other end of the eleventh resistor R11 is connected to one end of the tenth resistor R10, the other end of the twelfth resistor R12 is connected to the control module, the other end of the tenth resistor R10 is connected to one end of the eighth plug U11, the cathode of the fourth bidirectional trigger diode U12 is connected to one end of the fourth capacitor C4, the other end of the fourth capacitor C4 is connected to one end of the tenth resistor R10, the common connection electrode of the fourth bidirectional trigger diode U12 is connected to one end of the eighth plug U11, and one end of the seventh plug U10 is connected to the current conversion module.

[0063] It should be noted that, in a specific implementation, the heating module 20 may be specifically composed of four heating control units and four heating units, wherein each heating control unit controls a corresponding heating unit, one end of each heating unit is connected to the heating control unit, and the other end is connected to an external power supply, wherein the plug in each heating control unit is used to connect the circuit, and during specific operation, the heating control unit controls each heating unit according to the corresponding circuit signal received, thereby adjusting the working power and opening and closing of each heating unit.

[0064] It should also be noted that, in the specific implementation, the heating control unit is essentially a thyristor control circuit, which receives the control signal sent by the control module, and controls the on and off of the thyristor at the corresponding time according to the control signal to adjust the size of the final output voltage value, thereby controlling the power of the corresponding heating device.

[0065] Further, refer to Figure 4The DC generating unit 31 specifically includes: a first adjustable resistor R13, a first mutual inductor L1, fifth to tenth capacitors (C5-C10) and an AC power supply; one end of the first adjustable resistor R13 is connected to the cathode of the first bidirectional trigger diode U3, the other end of the first adjustable resistor R13 is connected to the second end of the fifth capacitor C5, the first end of the fifth capacitor C5 is connected to one end of the first mutual inductor L1, the other end of the first mutual inductor L1 is connected to the AC power supply K5, the negative electrode interface of the AC power supply K5 is connected to the first end of the sixth capacitor C6, the positive electrode interface of the AC power supply K5 is connected to the second end of the sixth capacitor C6, the first end of the seventh capacitor C7 is connected to the The first end of the sixth capacitor C6 is connected, the second end of the seventh capacitor C7 is connected to the second end of the sixth capacitor C6, the first end of the eighth capacitor C8 is connected to the first end of the ninth capacitor C9, the second end of the eighth capacitor C8 is connected to the second end of the ninth capacitor C9, the first end of the eighth capacitor C8 is also connected to the first end of the seventh capacitor C7, the second end of the eighth capacitor C8 is also connected to the second end of the seventh capacitor C7, the first end of the ninth capacitor C9 is also connected to the first end of the tenth capacitor C10, the second end of the ninth capacitor C9 is also connected to the second end of the tenth capacitor C10, the first end of the tenth capacitor C10 is grounded, and the second end of the tenth capacitor C10 is externally connected to a power supply.

[0066] It can be understood that, in a specific implementation, the DC generating unit 31 is specifically used to adjust the 220V AC power to 5V DC power when the circuit is working, so as to be used by other low-voltage working modules such as the control module 10.

[0067] Further, refer to Figure 4, the voltage detection unit 32 specifically includes: fourteenth to twenty-second resistors (R14-R22), eleventh to twelfth capacitors (C11-C12), a second mutual inductor L2 and a pressure measuring chip K6; the first end of the fourteenth resistor R14 is connected to the second end of the first adjustable resistor R13, the second end of the fourteenth resistor R14 is connected to the second end of the fifteenth resistor R15, the second end of the fifteenth resistor R15 is connected to the first end of the sixteenth resistor R16, the second end of the sixteenth resistor R16 is connected to the second end of the seventeenth resistor R17, the first end of the seventeenth resistor R17 is connected to the first end of the eighteenth resistor R18, the second end of the eighteenth resistor R18 is connected to the first end of the second mutual inductor L2, the first end of the second mutual inductor L2 is also connected to the first end of the first adjustable resistor R13, the second end of the second mutual inductor L2 is connected to the first end of the nineteenth resistor R19, the second end of the second mutual inductor L2 is also connected to the second end of the twenty-third resistor R19 The first end of the nineteenth resistor R19 is connected to the first end of the twentieth resistor R20, the second end of the nineteenth resistor R19 is also connected to the first end of the twelfth capacitor C12, the second end of the twelfth capacitor C12 is connected to the second end of the twentieth resistor R20, the first end of the twelfth capacitor C12 is connected to the second end of the twentieth resistor R20, the first end of the twelfth capacitor C12 is grounded, the first interface of the pressure measuring chip K6 is connected to one end of the eleventh capacitor C11, the other end of the eleventh capacitor C11 is grounded, the first interface of the pressure measuring chip K6 is also connected to a power supply, the fourth interface of the pressure measuring chip K6 is connected to the second end of the twelfth capacitor C12, the fifth interface of the pressure measuring chip K6 is grounded, the sixth interface of the pressure measuring chip K6 is connected to the first end of the twenty-first resistor R21, the second end of the twenty-first resistor R21 is connected to the second end of the twenty-second resistor R22, the first end of the twenty-second resistor R22 is grounded, and the second end of the twenty-second resistor R22 is connected to the control module.

[0068] It should be noted that in a specific implementation, the voltage detection unit 32 can transmit the voltage signal of the alternating current through the sampling resistors (the fourteenth resistor to the eighteenth resistor) to the pressure measuring chip in the form of voltage division, so that the pressure measuring chip measures the current voltage value of the alternating current, and then transmits the measured voltage value to the control module.

[0069] Further, refer to Figure 4The rectifier circuit unit specifically includes: first to fourth diodes (D1-D4), twenty-third to twenty-fifth resistors (R23-R25) and a fifth optical coupler relay K7; the first end of the twenty-third resistor R23 is connected to the anode of the first diode D1, the second end of the twenty-third resistor R23 is connected to the second end of the first adjustable resistor R13, the cathode of the first diode D1 is connected to the cathode of the second diode D2, the anode of the second diode D2 is connected to the cathode of the fourth diode D4, the anode of the third diode D3 is connected to the anode of the fourth diode D4, the cathode of the third diode D3 is connected to the anode of the first diode D1 The cathode of the fourth diode D4 is also connected to the first end of the twenty-fourth resistor R24, the second end of the twenty-fourth resistor R24 ​​is connected to the first end of the first adjustable resistor R13, the first interface of the fifth optical coupling relay K7 is connected to the cathode of the first diode D1, the second interface of the fifth optical coupling relay K7 is connected to the anode of the fourth diode D4, the third interface of the fifth optical coupling relay K7 is connected to the control module, the third interface of the fifth optical coupling relay K7 is also connected to the first end of the twenty-fifth resistor R25, the second end of the twenty-fifth resistor R25 is grounded, and the fourth interface of the fifth optical coupling relay K7 is connected to the power supply.

[0070] It can be understood that in a specific implementation, when the rectifier circuit unit 11 is working, the sinusoidal AC signal can be first rectified into a half-wave DC signal, and then the optocoupler relay is driven to work by the half-wave DC signal, and the optocoupler relay will generate a signal in each half wave (the signal is the AC zero-crossing signal) and send it to the main control unit, wherein the optocoupler relay is used to isolate the rectifier circuit unit from the main control unit to protect or control the normal operation of the rectifier unit circuit.

[0071] Further, refer to Figure 4, the main control unit 12 specifically includes: a control chip, a twenty-sixth resistor R26 and a thirteenth to fourteenth capacitors (C13-C14); the seventh pin of the control chip is connected to the second end of the third resistor R3, the eighth pin of the control chip is connected to the second end of the sixth resistor R6, the ninth pin of the control chip is connected to the second end of the ninth resistor R9, the tenth pin of the control chip is connected to the second end of the twelfth resistor R12, the eleventh pin of the control chip is connected to the third interface of the fifth optical coupler relay K7, and the twelfth pin of the control chip is connected to the twentieth The second end of the resistor R21 is connected, the sixteenth pin of the control chip is connected to the fifth pin of the control chip, the sixteenth pin of the control chip is also connected to the first end of the thirteenth capacitor C13, the second end of the thirteenth capacitor C13 is grounded, the first end of the fourteenth capacitor C14 is connected to the second end of the twenty-sixth resistor R26, the first end of the fourteenth capacitor C14 is also connected to the first end of the thirteenth capacitor C13, the second end of the fourteenth capacitor C14 is connected to the second end of the thirteenth capacitor C13, and the first end of the twenty-sixth resistor R26 is connected to a power supply.

[0072] It should be noted that in the specific implementation, after the main control unit 12 receives the external control signal, it will calculate the control instructions required for each heating unit respectively. If the voltage received by the main control unit is greater than or equal to the voltage required for control, the main control unit will calculate the control signal under the input voltage, and then control the output voltage to the required voltage; if the voltage received by the main control unit is less than the voltage required for control, the main control unit will directly output all the input voltage to the output voltage.

[0073] It should also be noted that, in a specific implementation, the control module 10 will perform real-time control of the controllable circuit used for the barbecue machine at a working frequency twice that of the alternating current to ensure the normal operation of the heating module.

[0074] To achieve the above purpose, the utility model also provides a controllable device for a barbecue machine, the controllable device for a barbecue machine comprising the controllable circuit for a barbecue machine as described above. The specific structure of the controllable circuit for a barbecue machine refers to the above embodiment. Since the device adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0075] To achieve the above purpose, the utility model also provides a controllable device for a barbecue machine, and the controllable device for a barbecue machine includes the controllable device for a barbecue machine as described above. The specific structure of the device refers to the above embodiment. Since the device adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0076] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A controllable circuit for a barbecue machine, characterized in that: The controllable circuit for the barbecue machine includes: a control module, a heating module and a current conversion module, one end of the current conversion module is connected to the control module, and the other end is connected to the heating module, and the control module is also connected to the heating module; The control module is used to output a circuit control signal to control the operation of the heating module; The heating module is used to perform a corresponding heating operation after receiving the circuit control signal; The current conversion module is used to transmit the circuit control signal to the control module.

2. The controllable circuit for a barbecue machine according to claim 1, characterized in that: The control module includes a rectifier circuit unit and a main control unit, one end of the rectifier circuit unit is connected to the current conversion module, and the other end is connected to the main control unit, and the main control unit is also connected to the heating module; The rectifier circuit unit is used to convert the received AC signal into a DC signal, and transmit the zero-crossing signal generated in each conversion process to the main control unit, so that the main control unit performs signal synchronization; The main control unit is used to output the corresponding circuit control signal to control the operation of the heating module when receiving the control instruction and the zero-crossing signal.

3. The controllable circuit for a barbecue machine according to claim 2, characterized in that: The current conversion module includes a DC generating unit and a voltage detecting unit, one end of the DC generating unit is connected to the heating module, and the other end is connected to the voltage detecting unit, and the voltage detecting unit is also connected to the control module; The DC generating unit is used to convert the external AC power into DC power suitable for the control module; The voltage detection unit is used to detect the voltage value of the external AC power and output the detected voltage value of the external AC power to the control module.

4. The controllable circuit for a barbecue machine according to claim 3, characterized in that: The heating module includes a first heating control unit, a second heating control unit, a third heating control unit and a fourth heating control unit; the first heating control unit includes first to third resistors, first to second plugs, a first capacitor, a first bidirectional trigger diode and a first photoelectric coupler; the first interface of the first photoelectric coupler is connected to a power supply, the second interface of the first photoelectric coupler is connected to one end of the third resistor, the fourth interface of the first photoelectric coupler is connected to the anode of the first bidirectional trigger diode, the sixth interface of the first photoelectric coupler is connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to one end of the first resistor, the other end of the third resistor is connected to the control module, the other end of the first resistor is connected to one end of the second plug, the cathode of the first bidirectional trigger diode is connected to one end of the first capacitor, the other end of the first capacitor is connected to one end of the first resistor, the common connection electrode of the first bidirectional trigger diode is connected to one end of the second plug, and one end of the first plug is connected to the current conversion module; The second heating control unit includes fourth to sixth resistors, third to fourth plugs, a second capacitor, a second bidirectional trigger diode and a second photoelectric coupler; the first interface of the second photoelectric coupler is connected to the power supply, the second interface of the second photoelectric coupler is connected to one end of the sixth resistor, the fourth interface of the second photoelectric coupler is connected to the anode of the second bidirectional trigger diode, the sixth interface of the second photoelectric coupler is connected to one end of the fifth resistor, the other end of the fifth resistor is connected to one end of the fourth resistor, the other end of the sixth resistor is connected to the control module, the other end of the fourth resistor is connected to one end of the fourth plug, the cathode of the second bidirectional trigger diode is connected to one end of the second capacitor, the other end of the second capacitor is connected to one end of the fourth resistor, the common connection electrode of the second bidirectional trigger diode is connected to one end of the fourth plug, and one end of the third plug is connected to the current conversion module; The third heating control unit includes seventh to ninth resistors, fifth to sixth plugs, a third capacitor, a third bidirectional trigger diode and a third photoelectric coupler; the first interface of the third photoelectric coupler is connected to the power supply, the second interface of the third photoelectric coupler is connected to one end of the seventh resistor, the fourth interface of the third photoelectric coupler is connected to the anode of the third bidirectional trigger diode, the sixth interface of the third photoelectric coupler is connected to one end of the eighth resistor, the other end of the eighth resistor is connected to one end of the seventh resistor, the other end of the ninth resistor is connected to the control module, the other end of the seventh resistor is connected to one end of the sixth plug, the cathode of the third bidirectional trigger diode is connected to one end of the third capacitor, the other end of the third capacitor is connected to one end of the seventh resistor, the common connection electrode of the third bidirectional trigger diode is connected to one end of the sixth plug, and one end of the fifth plug is connected to the current conversion module; The fourth heating control unit includes tenth to twelfth resistors, seventh to eighth plugs, a fourth capacitor, a fourth bidirectional trigger diode and a fourth photoelectric coupler; the first interface of the fourth photoelectric coupler is connected to the power supply, the second interface of the fourth photoelectric coupler is connected to one end of the twelfth resistor, the fourth interface of the fourth photoelectric coupler is connected to the anode of the fourth bidirectional trigger diode, the sixth interface of the fourth photoelectric coupler is connected to one end of the eleventh resistor, the other end of the eleventh resistor is connected to one end of the tenth resistor, the other end of the twelfth resistor is connected to the control module, the other end of the tenth resistor is connected to one end of the eighth plug, the cathode of the fourth bidirectional trigger diode is connected to one end of the fourth capacitor, the other end of the fourth capacitor is connected to one end of the tenth resistor, the common connection electrode of the fourth bidirectional trigger diode is connected to one end of the eighth plug, and one end of the seventh plug is connected to the current conversion module.

5. The controllable circuit for a barbecue machine according to claim 4, characterized in that: The DC generating unit specifically includes: a first adjustable resistor, a first mutual inductor, fifth to tenth capacitors and an AC power supply; one end of the first adjustable resistor is connected to the cathode of the first bidirectional trigger diode, the other end of the first adjustable resistor is connected to the second end of the fifth capacitor, the first end of the fifth capacitor is connected to one end of the first mutual inductor, the other end of the first mutual inductor is connected to the AC power supply, the negative electrode interface of the AC power supply is connected to the first end of the sixth capacitor, the positive electrode interface of the AC power supply is connected to the second end of the sixth capacitor, the first end of the seventh capacitor is connected to the first end of the sixth capacitor, the second end of the seventh capacitor is connected to the second end of the sixth capacitor, the first end of the eighth capacitor is connected to the first end of the ninth capacitor, the second end of the eighth capacitor is connected to the second end of the ninth capacitor, the first end of the eighth capacitor is also connected to the first end of the seventh capacitor, the second end of the eighth capacitor is also connected to the second end of the seventh capacitor, the first end of the ninth capacitor is also connected to the first end of the tenth capacitor, the second end of the ninth capacitor is also connected to the second end of the tenth capacitor, the first end of the tenth capacitor is grounded, and the second end of the tenth capacitor is connected to an external power supply.

6. The controllable circuit for a barbecue machine according to claim 5, characterized in that: The voltage detection unit specifically includes: fourteenth to twenty-second resistors, eleventh to twelfth capacitors, a second mutual inductor and a pressure measuring chip; the first end of the fourteenth resistor is connected to the second end of the first adjustable resistor, the second end of the fourteenth resistor is connected to the second end of the fifteenth resistor, the second end of the fifteenth resistor is connected to the first end of the sixteenth resistor, the second end of the sixteenth resistor is connected to the second end of the seventeenth resistor, the first end of the seventeenth resistor is connected to the first end of the eighteenth resistor, the second end of the eighteenth resistor is connected to the first end of the second mutual inductor, the first end of the second mutual inductor is also connected to the first end of the first adjustable resistor, the second end of the second mutual inductor is connected to the first end of the nineteenth resistor, and the second end of the second mutual inductor is also connected to the first end of the twentieth resistor The second end of the nineteenth resistor is also connected to the first end of the twentieth resistor, the first end of the nineteenth resistor is also connected to the first end of the twelfth capacitor, the second end of the twelfth capacitor is connected to the second end of the twentieth resistor, the first end of the twelfth capacitor is connected to the second end of the twentieth resistor, the first end of the twelfth capacitor is grounded, the first interface of the pressure measuring chip is connected to one end of the eleventh capacitor, the other end of the eleventh capacitor is grounded, the first interface of the pressure measuring chip is also connected to a power supply, the fourth interface of the pressure measuring chip is connected to the second end of the twelfth capacitor, the fifth interface of the pressure measuring chip is grounded, the sixth interface of the pressure measuring chip is connected to the first end of the twenty-first resistor, the second end of the twenty-first resistor is connected to the second end of the twenty-second resistor, the first end of the twenty-second resistor is grounded, and the second end of the twenty-second resistor is connected to the control module.

7. The controllable circuit for a barbecue machine according to claim 6, characterized in that: The rectifier circuit unit specifically includes: first to fourth diodes, twenty-third to twenty-fifth resistors and a fifth optocoupler relay; the first end of the twenty-third resistor is connected to the anode of the first diode, the second end of the twenty-third resistor is connected to the second end of the first adjustable resistor, the cathode of the first diode is connected to the cathode of the second diode, the anode of the second diode is connected to the cathode of the fourth diode, the anode of the third diode is connected to the anode of the fourth diode, the cathode of the third diode is connected to the anode of the first diode, the cathode of the fourth diode is also connected to the first end of the twenty-fourth resistor, the second end of the twenty-fourth resistor is connected to the first end of the first adjustable resistor, the first interface of the fifth optocoupler relay is connected to the cathode of the first diode, the second interface of the fifth optocoupler relay is connected to the anode of the fourth diode, the third interface of the fifth optocoupler relay is connected to the control module, the third interface of the fifth optocoupler relay is also connected to the first end of the twenty-fifth resistor, the second end of the twenty-fifth resistor is grounded, and the fourth interface of the fifth optocoupler relay is connected to the power supply.

8. The controllable circuit for a barbecue machine according to claim 7, characterized in that: The main control unit specifically includes: a control chip, a twenty-sixth resistor and thirteenth to fourteenth capacitors; the seventh pin of the control chip is connected to the second end of the third resistor, the eighth pin of the control chip is connected to the second end of the sixth resistor, the ninth pin of the control chip is connected to the second end of the ninth resistor, the tenth pin of the control chip is connected to the second end of the twelfth resistor, the eleventh pin of the control chip is connected to the third interface of the fifth optocoupler relay, the twelfth pin of the control chip is connected to the second end of the twenty-first resistor, the sixteenth pin of the control chip is connected to the fifth pin of the control chip, the sixteenth pin of the control chip is also connected to the first end of the thirteenth capacitor, the second end of the thirteenth capacitor is grounded, the first end of the fourteenth capacitor is connected to the second end of the twenty-sixth resistor, the first end of the fourteenth capacitor is also connected to the first end of the thirteenth capacitor, the second end of the fourteenth capacitor is connected to the second end of the thirteenth capacitor, and the first end of the twenty-sixth resistor is connected to a power supply.

9. A controllable device for a barbecue machine, characterized in that: The controllable device for the barbecue machine comprises the circuit as claimed in any one of claims 1 to 8.

10. A controllable device for a barbecue machine, characterized in that: The controllable device for a barbecue machine comprises the controllable apparatus for a barbecue machine as claimed in claim 9.

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