CN217386193U - Power-saving gas stove control circuit and gas stove - Google Patents

Abstract

The utility model discloses a gas-cooker control circuit and gas-cooker of power saving. The power-saving gas stove control circuit comprises a battery, a power supply control module, a controller and a switch state detection module, wherein the battery, the power supply control module and the controller are sequentially and electrically connected, and the switch state detection module is respectively and electrically connected with the power supply control module and the controller; the switch state detection module comprises a twenty-second resistor, a twenty-sixth resistor, a ninety-sixth diode and a cooker switch, wherein the output end of the power supply control module, the twenty-sixth resistor and the anode of the ninety-sixth diode are electrically connected in sequence, and the cathode of the ninety-sixth diode, the cooker switch and a grounding end are electrically connected in sequence; the controller, the twenty-second resistor and the anode of the ninety-sixth diode are electrically connected in sequence, and the cathode of the ninety-sixth diode is electrically connected with the power supply control module. The utility model discloses a circuit structure is simpler, can accurately detect the on off state of cooking utensils switch.

Description

Power-saving gas stove control circuit and gas stove

Technical Field

The utility model belongs to the technical field of electronic circuit technique for the cooking utensils and specifically relates to a gas-cooker control circuit and gas-cooker of power saving.

Background

At present, the power supply of the kitchen range generally uses batteries, and the service life of the batteries is limited, so how to reduce the power consumption of the internal circuit of the kitchen range becomes very important. Therefore, the chinese utility model with the publication number CN210861216U discloses a button detection device of a gas stove and a gas stove, which utilizes a button state detection circuit to detect the state of a button switch, and outputs a level signal of a corresponding type to a power supply control circuit, so that the power supply control circuit stops supplying power to a controller of the gas stove when the button switch is in an open state, and the voltage output by a power supply battery is supplied to the controller when the button switch is in a closed state, so that when the gas stove is in a standby state, and the button switch is in the open state, the power supply control circuit makes the controller not powered on, thereby realizing that the controller is not power-consuming under the standby state of the gas stove. However, the key state detection circuit detects the switch state by using a voltage comparison circuit formed by two resistors, which results in a complex structure of the whole circuit, and the comparison circuit has high requirement on the proportion of the resistors, and if the proportion of the resistors is incorrect, the switch state cannot be accurately detected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas-cooker control circuit and gas-cooker of power saving, circuit structure is simpler, can accurately detect the on-off state of cooking utensils switch.

In order to solve the above problem, the utility model adopts the following technical scheme:

according to a first aspect of the present invention, an embodiment of the present invention provides a power saving gas stove control circuit, including a battery, a power control module, a controller and an on-off state detection module, wherein the battery, the power control module and the controller are electrically connected in sequence, and the on-off state detection module is electrically connected with the power control module and the controller respectively; the switch state detection module comprises a twenty-second resistor, a twenty-sixth resistor, a ninety-sixth diode and a cooker switch, wherein the output end of the power supply control module, the anode of the twenty-sixth resistor and the anode of the ninety-sixth diode are sequentially and electrically connected, and the cathode of the ninety-sixth diode, the cooker switch and a grounding end are sequentially and electrically connected; the controller, the twenty-second resistor and the anode of the ninety-sixth diode are electrically connected in sequence, and the cathode of the ninety-sixth diode is electrically connected with the power supply control module.

In some embodiments, the power control module comprises a first switch tube, a second switch tube and a ninety-four resistor; the input end of the first switch tube is electrically connected with the positive electrode of the battery, the output end of the first switch tube is electrically connected with the controller, two ends of the ninety-fourth resistor are respectively electrically connected with the input end and the control end of the first switch tube, and the control end of the first switch tube is electrically connected with the negative electrode of the ninety-sixth diode; the input end of the second switch tube is electrically connected with the control end of the first switch tube, the output end of the second switch tube is grounded, and the control end of the second switch tube is electrically connected with the controller.

In some embodiments, the power control module further comprises a ninety-two diode connected in series between the control terminal of the first switch tube and the cathode of the ninety-six diode, the anode of the ninety-two diode being electrically connected to the control terminal of the first switch tube, and the cathode of the ninety-two diode being electrically connected to the cathode of the ninety-six diode.

In some embodiments, the power control module further includes a voltage boosting unit, an input end of the voltage boosting unit is electrically connected to an output end of the first switching tube, and an output end of the voltage boosting unit is an output end of the power control module.

In some embodiments, the power-saving gas stove control circuit further includes a voltage detection module, an input end of the voltage detection module is electrically connected to an output end of the first switch tube, and an input end of the voltage detection module is electrically connected to the controller.

In some embodiments, the power-saving gas stove control circuit further comprises a key module and a display module, and both the key module and the display module are electrically connected with the controller.

In some embodiments, the display module is a nixie tube display screen.

According to the utility model discloses a second aspect, the embodiment of the utility model provides a gas-cooker, including the gas-cooker control circuit of the arbitrary embodiment of above-mentioned first aspect of power saving.

The utility model discloses following beneficial effect has at least: the utility model discloses an on off state detection module includes twenty-second resistance, twenty-sixth resistance, ninety-sixth diode and cooking utensils switch, after the cooking utensils switch is closed, the one end that power control module and ninety-sixth diode's negative pole electricity are connected is by ground connection, thereby directly export a low level signal to power control module, and when the cooking utensils switch is opened, the battery is directly to high level signal of power control module supply, therefore, the on off state of cooking utensils switch need not be realized than the circuit through the voltage, circuit structure is simpler, and require lowly to the parameter configuration of components and parts in the circuit, can accurately detect the on off state of cooking utensils switch.

Drawings

Fig. 1 is a schematic diagram of a circuit module of a gas stove control circuit for saving power according to an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of a switch state detection module according to an embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of a switch state detection module according to another embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of a power control module according to an embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of a controller according to an embodiment of the present invention.

Fig. 6 is a schematic circuit block diagram of a gas stove control circuit for saving power according to another embodiment of the present invention.

Fig. 7 is a schematic circuit diagram of a key module according to an embodiment of the present invention.

Fig. 8 is a schematic circuit diagram of a display module according to an embodiment of the present invention.

Wherein the reference numerals are: the device comprises a battery 100, a power control module 200, a controller 300, a switch state detection module 400, a voltage detection module 500, a key module 600 and a display module 700.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

An embodiment of the utility model provides a gas-cooker control circuit of power saving, as shown in fig. 1 and fig. 2, it includes battery 100, power control module 200, controller 300 and on-off state detection module 400, and battery 100, power control module 200 and controller 300 are connected electrically in order, and on-off state detection module 400 is connected with power control module 200 and controller 300 electricity respectively. The power control module 200 is used to control the circuit between the battery 100 and the controller 300 to be switched on or off according to the state of the cooker switch detected by the switch state detection module 400, so as to reduce the power consumption of the circuit board. The controller 300 may also determine the on-off state of the cooker switch according to the signal output by the on-off state detection module 400.

The switch state detection module 400 comprises a twenty-second resistor R22, a twenty-sixth resistor R26, a ninety-sixth diode D96 and a cooker switch S1, wherein the output end (the +3.3V port in fig. 2) of the power supply control module, the twenty-sixth resistor and the anode of the ninety-sixth diode are electrically connected in sequence, and the cathode of the ninety-sixth diode, the cooker switch and the ground end are electrically connected in sequence; the corresponding port of the controller (the DWQ-L port in fig. 2), the twenty-second resistor, and the anode of the ninety-sixth diode are electrically connected in series, and the cathode of the ninety-sixth diode is electrically connected to the power control module 200 (the ZDWQ port in fig. 2).

When the cooker switch is turned on, the cooker does not work, the battery 100 directly supplies a high level signal to the power control module 200, the power control module 200 controls the circuit between the battery 100 and the controller 300 to be disconnected, and the battery 100 does not supply power to the controller 300, so that electric energy is saved. When the cooker switch is closed, the cooker starts to work, one end of the power control module 200 electrically connected with the cathode of the ninety-sixth diode is grounded, so that a low level signal is directly output to the power control module 200, the power control module 200 controls the circuit between the battery 100 and the controller 300 to be conducted, and the battery 100 supplies power to the controller 300. Therefore, the on-off state of the stove switch of the embodiment is not needed to be realized through a voltage comparison circuit, the circuit structure is simpler, the requirement on parameter configuration of components in the circuit is lower, different level signals can be simply, directly and simply output, and the on-off state of the stove switch can be accurately detected.

In some embodiments, a filtering capacitor C24 may be connected between the positive electrode of the ninety-sixth diode and the ground terminal to filter out impurity waves in the line.

In some embodiments, since the kitchen range generally includes two sets of kitchen ranges, and two kitchen range switches are correspondingly disposed, in this embodiment, two sets of switch state detection modules 400 may be correspondingly disposed to detect states of the two kitchen range switches, respectively, fig. 2 illustrates a circuit structure diagram of one switch state detection module, fig. 3 illustrates a circuit structure diagram of another switch state detection module, and the two switch state detection modules have the same structure and principle, and have the same connection relationship with other modules. When any one of the cooker switches is closed, the power supply control module 200 controls the circuit between the battery 100 and the controller 300 to be conducted, so that the battery 100 supplies power to the controller 300, and when both the cooker switches are opened, the power supply control module 200 controls the circuit between the battery 100 and the controller 300 to be disconnected, so that the battery 100 stops supplying power to the controller 300.

In some embodiments, as shown in fig. 2 and 4, the power control module includes a first switch transistor Q1, a second switch transistor Q2, and a ninety-fourth resistor R94. The input end (pin 2 of the first switch tube) of the first switch tube is electrically connected with the anode of the battery, the output end (pin 3 of the first switch tube) of the first switch tube is electrically connected with the power supply port (VCC port) of the controller, the two ends of the ninety-fourth resistor are respectively electrically connected with the input end and the control end (pin 1 of the first switch tube) of the first switch tube, and the control end of the first switch tube is electrically connected with the cathode of the ninety-sixth diode; the input end (pin C of the second switch tube) of the second switch tube is electrically connected with the control end of the first switch tube, the output end (pin E of the second switch tube) of the second switch tube is grounded, and the control end (pin B of the second switch tube) of the second switch tube is electrically connected with the controller (DYXH pin). The first switch tube can be a P-channel MOS tube, and the second switch tube can be an NPN type triode.

The working principle of the embodiment is as follows: when the cooker switch is not closed (when the cooker is not in operation), the control end of the first switch tube is at a high level, the first switch tube is not conducted, the voltage output by the power supply control module is zero, and the power consumption of the battery is extremely low; when the cooker switch is closed, the control end of the first switch tube is at a low level, the first switch tube is conducted, the battery outputs a voltage signal outwards, the controller and the switch state detection module are powered on, and then the controller starts to work; the controller detects the DWQ-L port after starting to work, if the stove switch is closed (the stove is electrified to work), the DWQ-L port is at a low level, otherwise, the DWQ-L port is at a high level; the controller outputs a high level to the DYXH port, so that the second switching tube is switched on, the pin C of the second switching tube is at a low level, and the Q1 is continuously kept switched on; when the controller detects that the DWQ-L port is at a high level, the controller judges that a cooker switch is not closed, namely the cooker does not work, the controller outputs a low level to the DYXH port, the first switch tube is disconnected, the voltage output by the power supply control module is zero, and the controller enters a power saving state.

In order to prevent the current from being too large, the present embodiment may further include a resistor R93 connected in series between the control terminal of the first switch tube and the cathode of the ninety-sixth diode.

In some embodiments, as shown in fig. 2 and 4, the power control module further includes a first ninety-diode D91, the ninety-diode being connected in series between the control terminal of the first switch tube and the cathode of the ninety-sixth diode, the anode of the ninety-diode being electrically connected to the control terminal of the first switch tube, and the cathode of the ninety-diode being electrically connected to the cathode of the ninety-sixth diode. A ninety-two diode acts to prevent current kickback.

In some embodiments, as shown in fig. 4, the power control module further includes a voltage boosting unit, an input end of the voltage boosting unit is electrically connected to an output end of the first switching tube, and an output end of the voltage boosting unit is an output end of the power control module. Since the battery of this embodiment outputs a 3V voltage signal, and the switch state detection module needs a 3.3V voltage signal, the output voltage of the battery needs to be boosted. Specifically, a voltage regulator chip (the U091 chip in fig. 4) may be used to achieve this object.

In some embodiments, as shown in FIG. 5, the controller may be a single-chip microcomputer bf7612cm 28.

In some embodiments, as shown in fig. 4 and 6, the power saving gas stove control circuit further includes a voltage detection module 500, an input terminal of the voltage detection module 500 is electrically connected to an output terminal of the first switching tube, and an input terminal of the voltage detection module is electrically connected to the controller to detect a voltage of the battery.

Specifically, the voltage detection module 500 includes a resistor R96, a resistor R97, and a capacitor C94, wherein the resistor R96 and the resistor R97 form a voltage divider circuit to detect the output voltage of the battery.

In some embodiments, as shown in fig. 6, the power saving gas stove control circuit further includes a key module 600 and a display module 700, and both the key module 600 and the display module 700 are electrically connected to the controller 300. The key module 600 can be used for timing the cooker by a user, and the display module 700 can display related information.

As shown in fig. 7, the key module may include a plurality of keys, and the user may feel more comfortable by using the touch keys. As shown in fig. 8, the display module is a nixie tube display screen.

An embodiment of the utility model provides a gas stove, including the gas stove control circuit of the power saving of any above-mentioned embodiment. For a detailed description of the gas stove control circuit for saving power, reference may be made to the above embodiments, which are not repeated herein.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims (8)

1. The utility model provides a gas-cooker control circuit of power saving which characterized in that: the intelligent power supply comprises a battery, a power supply control module, a controller and a switch state detection module, wherein the battery, the power supply control module and the controller are sequentially and electrically connected, and the switch state detection module is respectively and electrically connected with the power supply control module and the controller; the switch state detection module comprises a twenty-second resistor, a twenty-sixth resistor, a ninety-sixth diode and a cooker switch, wherein the output end of the power supply control module, the anode of the twenty-sixth resistor and the anode of the ninety-sixth diode are sequentially and electrically connected, and the cathode of the ninety-sixth diode, the cooker switch and a grounding end are sequentially and electrically connected; the controller, the twenty-second resistor and the anode of the ninety-sixth diode are electrically connected in sequence, and the cathode of the ninety-sixth diode is electrically connected with the power supply control module.

2. The power-saving gas stove control circuit according to claim 1, wherein: the power supply control module comprises a first switch tube, a second switch tube and a ninety-fourth resistor; the input end of the first switch tube is electrically connected with the positive electrode of the battery, the output end of the first switch tube is electrically connected with the controller, two ends of the ninety-fourth resistor are respectively electrically connected with the input end and the control end of the first switch tube, and the control end of the first switch tube is electrically connected with the negative electrode of the ninety-sixth diode; the input end of the second switch tube is electrically connected with the control end of the first switch tube, the output end of the second switch tube is grounded, and the control end of the second switch tube is electrically connected with the controller.

3. The power-saving gas stove control circuit according to claim 2, characterized in that: the power supply control module further comprises a ninety-two diode, the ninety-two diode is connected between the control end of the first switch tube and the cathode of the ninety-six diode in series, the anode of the ninety-two diode is electrically connected with the control end of the first switch tube, and the cathode of the ninety-two diode is electrically connected with the cathode of the ninety-six diode.

4. The power-saving gas stove control circuit according to claim 2, characterized in that: the power control module further comprises a boosting unit, the input end of the boosting unit is electrically connected with the output end of the first switch tube, and the output end of the boosting unit is the output end of the power control module.

5. The power saving gas range control circuit according to any one of claims 2 to 4, wherein: the power-saving gas stove control circuit further comprises a voltage detection module, wherein the input end of the voltage detection module is electrically connected with the output end of the first switch tube, and the input end of the voltage detection module is electrically connected with the controller.

6. The power saving gas range control circuit according to any one of claims 1 to 4, wherein: the power-saving gas stove control circuit further comprises a key module and a display module, and the key module and the display module are electrically connected with the controller.

7. The power-saving gas stove control circuit according to claim 6, wherein: the display module is a nixie tube display screen.

8. A gas stove is characterized in that: a gas range control circuit including power saving as claimed in any one of claims 1 to 7.

Images