CN210320174U - Double-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip - Google Patents
Double-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip Download PDFInfo
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- CN210320174U CN210320174U CN201921226613.1U CN201921226613U CN210320174U CN 210320174 U CN210320174 U CN 210320174U CN 201921226613 U CN201921226613 U CN 201921226613U CN 210320174 U CN210320174 U CN 210320174U
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Abstract
The utility model provides a two time delay thermoelectric type cooking utensils pulse ignition controllers based on digifax NULL, vibrate the unit that steps up, left stove ignition unit, right stove vibration unit that steps up and right stove ignition unit including digifax NULL, left stove. The left furnace oscillation boosting unit and the right furnace oscillation boosting unit are connected with the digital-analog integrated chip, the left furnace ignition unit is connected with the left furnace oscillation boosting unit, and the right furnace ignition unit is connected with the right furnace oscillation boosting unit; the digital-analog integrated chip is internally provided with an electromagnetic valve control circuit. The utility model discloses a two time delay thermoelectric type cooking utensils pulse ignition controllers based on digifax NULL can realize zero second and start, solves the problem that timing precision is poor, timing time changes 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 relates to a two time delay thermoelectric type cooking utensils pulse ignition controllers 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.
In addition, when the user presses the switch to open the electromagnetic valve and the pulse ignition controller starts discharge ignition, if the hand is released without ignition, the discharge ignition is stopped, which brings inconvenience to the user. In addition, the existing controller generally adopts two timing circuit units consisting of a triode, a resistor and a capacitor, but the timing precision of the circuit unit consisting 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 can realize zero second and start, solve the problem that timing precision is poor, timing time changes along with battery voltage's change, can improve the quality of product simultaneously, reduce the volume of controller, strengthen the user experience feel based on digifax integrated chip's two time delay thermoelectric type cooking utensils pulse ignition controller.
The utility model adopts the technical proposal that: a kind of one pair of time delay thermoelectric type cooking utensils pulse ignition controllers based on digital analog integrated chip, it includes: the device comprises a digital-analog integrated chip, a left furnace oscillation boosting unit, a left furnace ignition unit, a right furnace oscillation boosting unit and a right furnace ignition unit; the left furnace oscillation boosting unit and the right furnace oscillation boosting unit are connected with the digital-analog integrated chip, the left furnace ignition unit is connected with the left furnace oscillation boosting unit, and the right furnace ignition unit is connected with the right furnace 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, and the electromagnetic valve control circuit corresponds to the left furnace double-coil electromagnetic valve and the right furnace double-coil electromagnetic valve.
Furthermore, the left furnace ignition unit is connected with a left furnace ignition needle, and the right furnace ignition unit is connected with a right furnace ignition needle; the left furnace ignition needle and the right furnace ignition needle and the combustor shell form a discharge loop.
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 utility model discloses a two time delay thermoelectric type cooking utensils pulse ignition controller based on digital analog integrated chip sets up the solenoid valve control circuit corresponding with left stove double coil solenoid valve and right stove double coil solenoid valve through inside the digital analog integrated chip; when the left stove switch or the right stove switch is switched off, the double-delay thermoelectric stove pulse ignition controller of the digital-analog integrated chip can enable the time of delayed ignition of the oscillation boosting unit and the time (also called delay) for providing the maintaining current for the left stove double-coil electromagnetic valve and the right stove double-coil electromagnetic valve to be accurate, and the problems of difficult ignition, valve closing flameout or waste of battery electric energy caused by 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 a schematic diagram of two time delay thermoelectric type cooking utensils pulse ignition controller 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 figure 1, the utility model discloses a two time delay thermoelectric type cooking utensils pulse ignition controllers based on digifax NULL includes digifax NULL 1 (U1), left stove oscillation voltage boost unit 2, left stove ignition unit 3, right stove oscillation voltage boost unit 4 and right stove ignition unit 5. The left furnace oscillation boosting unit 2 and the right furnace oscillation boosting unit 4 are connected with the digital-analog integrated chip 1, the left furnace ignition unit 3 is connected with the left furnace oscillation boosting unit 2, and the right furnace ignition unit 5 is connected with the right furnace oscillation boosting unit 4.
Further, the digital-analog integrated chip 1 is also connected with a battery 6, a left furnace switch 7, a right furnace switch 8, a left furnace double-coil electromagnetic valve 9 and a right furnace double-coil electromagnetic valve 10; the left furnace ignition unit 3 is connected with a left furnace ignition needle 11, and the right furnace ignition unit 5 is connected with a right furnace ignition needle 12; the left furnace ignition needle 11 and the right furnace ignition needle 12 and the burner shell 13 form a loop for releasing electric sparks. The left furnace double-coil electromagnetic valve 9 is connected with a left furnace thermocouple probe 14, and the right furnace double-coil electromagnetic valve 10 is connected with a right furnace thermocouple probe 15; the left furnace switch 7 and the right furnace switch 8 are connected to the battery 6, and the battery 6 supplies power to each unit.
In addition, an electromagnetic valve control circuit connected with the left furnace double-coil electromagnetic valve 9 and the right furnace double-coil electromagnetic valve 10 is arranged in the digital-analog integrated chip 1.
The utility model discloses a two time delay thermoelectric type cooking utensils pulse ignition controller's based on digifax NULL theory of operation as follows:
when the left furnace switch 7 is pressed down, the digital-analog integrated chip 1 detects that the left furnace switch 7 is pressed down, and then starts the corresponding left furnace oscillation boosting unit 2 to work, so that the corresponding left furnace ignition unit 3 generates high voltage and discharges and ignites through the left furnace ignition needle 11 and the combustor shell 13; meanwhile, the corresponding electromagnetic valve control circuit in the digital-analog integrated chip 1 is conducted, so that the left furnace double-coil electromagnetic valve 9 is kept in an open state;
when the right furnace switch 8 is pressed down, the digital-analog integrated chip 1 detects that the right furnace switch 8 is pressed down, and then starts the corresponding right furnace oscillation boosting unit 4 to work, so that the corresponding right furnace ignition unit 5 generates high voltage and discharges and ignites through the right furnace ignition needle 12 and the combustor shell 13; meanwhile, the corresponding electromagnetic valve control circuit in the digital-analog integrated chip 1 is conducted, so that the right furnace double-coil electromagnetic valve 10 is kept in an open state;
when the left furnace switch 7 and the right furnace switch 8 are pressed simultaneously, the digital-analog integrated chip 1 detects that the left furnace switch 7 and the right furnace switch 8 are pressed simultaneously, and then starts the corresponding left furnace oscillation boosting unit 2 and the right furnace oscillation boosting unit 4 to work simultaneously, so that the corresponding left furnace ignition unit 3 and the right furnace ignition unit 5 generate high voltage simultaneously and discharge and ignite with the combustor shell 13 through the left furnace ignition needle 11 and the right furnace ignition needle 12 respectively; meanwhile, corresponding electromagnetic valve control circuits inside the digital-analog integrated chip 1 are conducted, so that the left furnace double-coil electromagnetic valve 9 and the right furnace double-coil electromagnetic valve 10 are kept in an open state;
when the left furnace switch 7 or the right furnace switch 8 is switched off, the delayed ignition is continued, meanwhile, the digital-analog integrated chip 1 starts to time, and when the specified time of the delayed ignition is reached, the digital-analog integrated chip 1 instructs the left furnace oscillation boosting unit 2 or the right furnace oscillation boosting unit 4 to stop the ignition; after the specified time kept by the left furnace double-coil electromagnetic valve 9 or the right furnace double-coil electromagnetic valve 10 is timed, 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 9 or the right furnace double-coil electromagnetic valve 10 maintains the opening of the left furnace double-coil electromagnetic valve 9 or the right furnace double-coil electromagnetic valve 10 by virtue of the thermoelectric potential generated by the left furnace thermocouple probe 14 or the right furnace thermocouple probe 15, and then 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 9 or the right furnace double-coil electromagnetic valve 10 is automatically closed.
To sum up, the utility model discloses a two time delay thermoelectric type cooking utensils pulse ignition controllers based on digifax NULL have following advantage:
1. an electromagnetic valve control circuit corresponding to a left furnace double-coil electromagnetic valve 9 and a right furnace double-coil electromagnetic valve 10 is arranged in the digital-analog integrated chip 1; after the left stove switch 7 or the right stove switch 8 is switched off, the delayed ignition time of the double-delayed thermoelectric stove pulse ignition controller based on the digital-analog integrated chip and the time (also called delay) for providing the maintaining current for the left stove double-coil electromagnetic valve 9 and the right stove double-coil electromagnetic valve 10 are accurate, and the problems of difficult ignition, flameout when the valve is closed or waste of electric energy of the battery 6 caused by long delay time due to short delay time can be avoided.
2. Zero second start can be realized, the problems of poor timing precision and change of timing time along with the change of the voltage of the battery 6 are solved, 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 two time delay thermoelectric type cooking utensils pulse ignition controllers based on digital analog integrated chip which characterized in that includes: the device comprises a digital-analog integrated chip, a left furnace oscillation boosting unit, a left furnace ignition unit, a right furnace oscillation boosting unit and a right furnace ignition unit; the left furnace oscillation boosting unit and the right furnace oscillation boosting unit are connected with the digital-analog integrated chip, the left furnace ignition unit is connected with the left furnace oscillation boosting unit, and the right furnace ignition unit is connected with the right furnace oscillation boosting unit; and an electromagnetic valve control circuit is arranged in the digital-analog integrated chip.
2. The dual delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 1, wherein: 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, 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 dual delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 2, wherein: the left furnace ignition unit is connected with a left furnace ignition needle, 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 dual delay thermoelectric cooker pulse ignition controller based on digital-analog integrated chip of claim 2, wherein: 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 |
|---|---|---|---|
| CN201921226613.1U CN210320174U (en) | 2019-07-31 | 2019-07-31 | Double-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226613.1U CN210320174U (en) | 2019-07-31 | 2019-07-31 | Double-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
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| Publication Number | Publication Date |
|---|---|
| CN210320174U true CN210320174U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226613.1U Active CN210320174U (en) | 2019-07-31 | 2019-07-31 | Double-delay thermoelectric type stove pulse ignition controller based on digital-analog integrated chip |
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| Country | Link |
|---|---|
| CN (1) | CN210320174U (en) |
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2019
- 2019-07-31 CN CN201921226613.1U patent/CN210320174U/en active Active
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