CN210291974U - Single-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip - Google Patents
Single-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip Download PDFInfo
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- CN210291974U CN210291974U CN201921226614.6U CN201921226614U CN210291974U CN 210291974 U CN210291974 U CN 210291974U CN 201921226614 U CN201921226614 U CN 201921226614U CN 210291974 U CN210291974 U CN 210291974U
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Abstract
The utility model provides a single-delay thermoelectric stove pulse ignition controller based on a digital-analog integrated chip, which comprises a digital-analog integrated chip, an oscillation boosting unit, a left stove ignition unit and a right stove ignition unit; the oscillation boosting unit is connected with the digital-analog integrated chip, and the left furnace ignition unit and the right furnace ignition unit are both connected with the oscillation boosting unit; the digital-analog integrated chip is internally provided with an electromagnetic valve control circuit. The utility model discloses a single time delay thermoelectric type cooking utensils pulse ignition controller based on digifax NULL is timed the precision height, timing time can not change along with battery voltage's change, can improve the quality of product simultaneously, reduce the volume of controller, and reinforcing user experience feels.
Description
Technical Field
The utility model relates to a gas-cooker technical field, especially a single time delay thermoelectric type cooking utensils pulse ignition controller based on digifax NULL.
Background
At present, domestic household gas cookers adopt two flame-out safety protection devices, one of which is composed of a thermocouple probe and a special non-self-suction thermocouple electromagnetic valve and is also called as a thermoelectric flame-out safety protection device; and the other one is composed of a flame ion probe and a self-suction electromagnetic valve, and is also called a self-suction electromagnetic valve type flameout safety protection device.
When a stove of the conventional thermoelectric type flameout safety protection device is in a normal combustion state, a thermocouple probe generates thermoelectric force after being heated by flame, the thermoelectric force is applied to a thermocouple electromagnetic valve coil, and the electromagnetic valve is kept in an open state by current flowing through the electromagnetic valve coil; since the thermoelectric force is established after the thermocouple probe is heated by the flame for a certain period of time (about 8 seconds), if the user presses the switch to open the solenoid valve and releases the switch immediately after ignition, the solenoid valve is closed due to insufficient holding current to cause the cooktop to stall.
The existing controller generally adopts a circuit unit with timing composed of a triode, a resistor and a capacitor, but the timing precision of the circuit unit composed of discrete components such as the triode, the resistor and the capacitor is not high, and the timing time changes greatly along with the increase of the service time of a battery and the reduction of voltage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a timing precision is high, timing time can not change along with battery voltage's change, can improve the quality of product simultaneously, reduce the volume of controller, and the single time delay thermoelectric type cooking utensils pulse ignition controller based on digifax NULL that reinforcing user experience felt.
The utility model adopts the technical proposal that: a single-delay thermoelectric stove pulse ignition controller based on a digital-analog integrated chip comprises: the device comprises a digital-analog integrated chip, an oscillation boosting unit, a left furnace ignition unit and a right furnace ignition unit; the oscillation boosting unit is connected with the digital-analog integrated chip, and the left furnace ignition unit and the right furnace ignition unit are both connected with the oscillation boosting unit; and an electromagnetic valve control circuit is arranged in the digital-analog integrated chip.
Furthermore, the digital-analog integrated chip is also connected with a battery, a left furnace switch, a right furnace switch, a left furnace double-coil electromagnetic valve and a right furnace double-coil electromagnetic valve; the left furnace switch and the right furnace switch are connected to the battery, and the electromagnetic valve control circuit is connected with the left furnace double-coil electromagnetic valve and the right furnace double-coil electromagnetic valve.
Further, the left furnace ignition unit is connected with the left furnace switch, and the left furnace ignition unit is connected with a left furnace ignition needle; the right furnace ignition unit is connected with the right furnace switch, and the right furnace ignition unit is connected with a right furnace ignition needle; and the left furnace ignition needle and the right furnace ignition needle and the combustor shell form a loop for releasing electric sparks.
Furthermore, the left furnace double-coil electromagnetic valve is connected with a left furnace thermocouple probe, and the right furnace double-coil electromagnetic valve is connected with a right furnace thermocouple probe.
Compared with the prior art, the single-delay thermoelectric type stove pulse ignition controller based on the digital-analog integrated chip of the utility model is characterized in that the electromagnetic valve control circuits corresponding to the left stove double-coil electromagnetic valve and the right stove double-coil electromagnetic valve are arranged in the digital-analog integrated chip; when the left stove switch or the right stove switch is switched off, the single-delay thermoelectric stove controller based on the digital-analog integrated chip provides accurate time for maintaining current for the left stove double-coil electromagnetic valve and the right stove double-coil electromagnetic valve, and the waste of battery electric energy caused by difficult ignition, flameout when the valve is closed or long delay time due to short delay time can be avoided. And zero second starts can be realized, the problems that the timing precision of the controller is poor and the timing time changes along with the change of the battery voltage are solved, meanwhile, the quality of products can be improved, the size of the controller is reduced, and the user experience is enhanced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,
FIG. 1: the utility model discloses single time delay thermoelectric type cooking utensils pulse ignition controller's schematic diagram based on digifax NULL.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, the single-delay thermoelectric cooker pulse ignition controller based on the digital-analog integrated chip of the present invention comprises a digital-analog integrated chip 1 (U1), an oscillation boosting unit 2, a left furnace ignition unit 3, and a right furnace ignition unit 4; the oscillation boosting unit 2 is connected with the digital-analog integrated chip 1, and the left furnace ignition unit 3 and the right furnace ignition unit 4 are both connected with the oscillation boosting unit 2.
Further, the digital-analog integrated chip 1 is also connected with a battery 5, a left furnace switch 6, a right furnace switch 7, a left furnace double-coil electromagnetic valve 8 and a right furnace double-coil electromagnetic valve 9; the left furnace ignition unit 3 is connected with a left furnace switch 6, and the left furnace ignition unit 3 is connected with a left furnace ignition needle 10; the right furnace ignition unit 4 is connected with the right furnace switch 7, and the right furnace ignition unit 4 is connected with a right furnace ignition needle 11; the left furnace ignition needle 10 and the right furnace ignition needle 11 and the burner housing 12 form a circuit for releasing electric sparks. The left furnace double-coil electromagnetic valve 8 is connected with a left furnace thermocouple probe 13, and the right furnace double-coil electromagnetic valve 9 is connected with a right furnace thermocouple probe 14; the left furnace switch 6 and the right furnace switch 7 are both connected to the battery 5, and the battery 5 supplies power to each unit.
In addition, the digital-analog integrated chip 1 is internally provided with an electromagnetic valve control circuit corresponding to the left furnace double-coil electromagnetic valve 8 and the right furnace double-coil electromagnetic valve 9.
The utility model discloses a single time delay thermoelectric type cooking utensils pulse ignition controller's theory of operation based on digifax NULL as follows:
when the left furnace switch 6 is pressed down, the digital-analog integrated chip 1 starts the circuit of the oscillation boosting unit 2 to work when detecting that the left furnace switch 6 is pressed down, so that the left furnace ignition unit 3 generates high voltage and discharges and ignites with the combustor shell 12 through the left furnace ignition needle 10, and meanwhile, the electromagnetic valve control circuit in the digital-analog integrated chip 1 is conducted, so that the left furnace double-coil electromagnetic valve 8 is kept in an open state;
when the right furnace switch 7 is pressed, the digital-analog integrated chip 1 detects that the right furnace switch 7 is pressed, then the oscillation boosting unit 2 is started to work, so that the right furnace ignition unit 4 generates high voltage and discharges and ignites with the combustor shell 12 through the right furnace ignition needle 11, and meanwhile, an electromagnetic valve control circuit in the digital-analog integrated chip 1 is conducted, so that the right furnace double-coil electromagnetic valve 9 is kept in an open state;
when the left furnace switch 6 and the right furnace switch 7 are pressed simultaneously, the digital-analog integrated chip 1 detects that the left furnace switch 6 and the right furnace switch 7 are pressed, then the oscillation boosting unit 2 is started to work, the left furnace ignition unit 3 and the right furnace ignition unit 4 generate high voltage, and the high voltage is discharged and ignited with the burner shell 12 through the left furnace ignition needle 10 and the right furnace ignition needle 11 respectively, meanwhile, an electromagnetic valve control circuit in the digital-analog integrated chip 1 is conducted, and the left furnace double-coil electromagnetic valve 8 and the right furnace double-coil electromagnetic valve 9 are kept in an open state;
when the ignition is finished, the ignition is stopped when the left furnace switch 6 or the right furnace switch 7 is switched off, the digital-analog integrated chip 1 starts timing, and when the timing reaches the specified time, the electromagnetic valve control circuit in the digital-analog integrated chip 1 is switched off; at this time, the left furnace double-coil electromagnetic valve 8 and the right furnace double-coil electromagnetic valve 9 respectively maintain the opening of the valves by virtue of thermoelectric potentials generated by a left furnace thermocouple probe 13 and a right furnace thermocouple probe 14; subsequently, the digital-analog integrated chip 1 and other circuit units enter a low power consumption mode. When accidental flameout occurs, the thermoelectric force disappears, and the left furnace double-coil electromagnetic valve 8 and the right furnace double-coil electromagnetic valve 9 are automatically closed.
To sum up, the utility model discloses a single time delay thermoelectric type cooking utensils pulse ignition controller based on digifax NULL has following advantage:
1. an electromagnetic valve control circuit corresponding to a left furnace double-coil electromagnetic valve 8 and a right furnace double-coil electromagnetic valve 9 is arranged in the digital-analog integrated chip 1; when the left stove switch 6 or the right stove switch 7 is switched off, the single-delay thermoelectric stove controller based on the digital-analog integrated chip provides accurate time (also called delay) for maintaining current for the left stove double-coil electromagnetic valve 8 and the right stove double-coil electromagnetic valve 9, and the problems of difficult ignition due to short delay time and flameout due to valve closing or waste of electric energy of the battery 5 due to long delay time are avoided.
2. Zero second starting can be realized, the timing precision is high, the timing time can not change along with the change of the voltage of the battery 5, meanwhile, the product quality can be improved, the size of the controller is reduced, and the user experience is enhanced.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (4)
1. The utility model provides a single time delay thermoelectric type cooking utensils pulse ignition controller based on digital analog integrated chip which characterized in that includes: the device comprises a digital-analog integrated chip, an oscillation boosting unit, a left furnace ignition unit and a right furnace ignition unit; the oscillation boosting unit is connected with the digital-analog integrated chip, and the left furnace ignition unit and the right furnace ignition unit are both connected with the oscillation boosting unit; and an electromagnetic valve control circuit is arranged in the digital-analog integrated chip.
2. The single delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 1, characterized in that: the digital-analog integrated chip is also connected with a battery, a left furnace switch, a right furnace switch, a left furnace double-coil electromagnetic valve and a right furnace double-coil electromagnetic valve; the left furnace switch and the right furnace switch are connected to the battery, and the electromagnetic valve control circuit is connected with the left furnace double-coil electromagnetic valve and the right furnace double-coil electromagnetic valve.
3. The single delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 2, characterized in that: the left furnace ignition unit is connected with the left furnace switch, and the left furnace ignition unit is connected with a left furnace ignition needle; the right furnace ignition unit is connected with the right furnace switch, and the right furnace ignition unit is connected with a right furnace ignition needle; and the left furnace ignition needle and the right furnace ignition needle and the combustor shell form a loop for releasing electric sparks.
4. The single delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 2, characterized in that: the left furnace double-coil electromagnetic valve is connected with a left furnace thermocouple probe, and the right furnace double-coil electromagnetic valve is connected with a right furnace thermocouple probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226614.6U CN210291974U (en) | 2019-07-31 | 2019-07-31 | Single-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226614.6U CN210291974U (en) | 2019-07-31 | 2019-07-31 | Single-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210291974U true CN210291974U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226614.6U Active CN210291974U (en) | 2019-07-31 | 2019-07-31 | Single-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210291974U (en) |
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2019
- 2019-07-31 CN CN201921226614.6U patent/CN210291974U/en active Active
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