CN112856481B - Igniter control method for preventing electrification automatic ignition and igniter applying igniter control method - Google Patents
Igniter control method for preventing electrification automatic ignition and igniter applying igniter control method Download PDFInfo
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- CN112856481B CN112856481B CN202110117108.9A CN202110117108A CN112856481B CN 112856481 B CN112856481 B CN 112856481B CN 202110117108 A CN202110117108 A CN 202110117108A CN 112856481 B CN112856481 B CN 112856481B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
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Abstract
The invention discloses an igniter control method for preventing power-on automatic ignition and an igniter using the same, wherein the igniter control method for preventing power-on automatic ignition comprises the following steps: after electrification, judging the opening and closing state of a knob switch of the igniter, and further determining whether the protection circuit outputs a frequency signal; and determining normal power supply to the igniter or reminding a user to reset the knob switch according to the opening and closing state of the knob switch of the igniter and whether the frequency signal is acquired. According to the igniter control method for preventing the power-on automatic ignition, after the power is on, whether the protection circuit outputs the frequency signal is determined by judging the opening and closing state of the igniter knob switch, and then the normal power supply to the igniter is determined or the user is reminded to reset the knob switch according to the opening and closing state of the igniter knob switch and whether the frequency signal is acquired, so that the problem of mistakenly starting the ignition caused by the fact that the knob switch is not reset when the igniter is powered on is solved, and the personal and property safety of the user is protected.
Description
Technical Field
The invention belongs to the technical field of igniters, and particularly relates to an igniter control method for preventing power-on automatic ignition and an igniter using the igniter control method.
Background
An igniter is a device which can provide enough energy to ignite pulverized coal and oil (gas) fuel at a moment and can stabilize flame. The igniter is divided into a commercial stove and a civil stove: the commercial stove is mainly applied to the kitchen stove ignition device, and because the use environment of the kitchen is relatively complex, the requirement for selecting the igniter is relatively stricter for civil use; the domestic stove is mainly used for the ignition of household stoves, and the using environment is simpler than that of catering stoves, so that more pulse ignition modes are selected.
When the stove is in a protection or flameout state and the knob switch is not reset (disconnected) in the use process of the stove, the battery is replaced or the adapter is powered on again after power failure, the stove igniter on the market usually automatically starts the ignition action, and if no one is on the spot, serious accidents can happen.
Disclosure of Invention
In order to solve the problems, the invention provides an igniter control method for preventing power-on automatic ignition, which solves the problem of mistaken starting ignition caused by the fact that a knob switch is not reset when an igniter is powered on, and protects personal and property safety of a user.
It is another object of the present invention to provide an igniter.
The technical scheme adopted by the invention is as follows:
an igniter control method for preventing power-on automatic ignition comprises the following steps:
s1, after power is on, judging the opening and closing state of the igniter knob switch, and further determining whether the protection circuit outputs a frequency signal;
and S2, determining to supply power to the igniter normally or remind a user to reset the knob switch according to the on-off state of the knob switch of the igniter and whether the frequency signal is acquired.
Preferably, the S1 specifically includes the following steps:
after power-on, if the igniter knob switch is in a disconnected state, the protection circuit outputs a frequency signal;
if the igniter knob switch is in a closed state, the protection circuit cannot output a frequency signal.
Preferably, the S2 specifically includes the following steps:
determining normal power supply to the igniter according to the turn-off state of the knob switch of the igniter and the acquired frequency signal;
and reminding a user of resetting the knob switch according to the closing state of the knob switch of the igniter.
Preferably, the protection circuit comprises a knob switch module, a voltage blocking module and a frequency signal generating module, the knob switch module, the voltage blocking module and the frequency signal generating module are sequentially and electrically connected, the current trend of the voltage blocking module is determined according to the opening and closing state of the knob switch module after the protection circuit is powered on, and the voltage of the frequency signal generating module is conducted or blocked through the current trend of the voltage blocking module, so that whether the frequency signal generating module starts oscillation or not is determined and a frequency signal is output.
Preferably, the knob switch module includes a first transistor Q1, a first resistor R1 and a knob switch SW1, one end of a base of the first transistor Q1 is connected in parallel with one end of the knob switch SW1 and one end of a first resistor R1, the other end of the first resistor R1 is electrically connected to an emitter of the first transistor Q1, and a collector of the first transistor Q1 and the other end of the knob switch SW1 are both grounded.
Preferably, the voltage blocking module includes a second triode Q2, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first capacitor C1, one end of the second resistor R2 is electrically connected to the power VCC, the other end of the second resistor R2 is connected in parallel to the emitter of the first triode Q1, the base of the second triode Q2, one end of the third resistor R3 and one end of the first capacitor C1, the other end of the first capacitor C1 is connected in parallel to the emitter of the second triode Q2 and one end of the fourth resistor R4, and the other end of the third resistor R3 and the other end of the fourth resistor R4 are both grounded.
Preferably, the frequency signal generating module includes a first inductor L1, a second capacitor C2 and a third capacitor C3, one end of the first inductor L1 and one end of the second capacitor C2 are both electrically connected to a power VCC, the other end of the first inductor L1 and the other end of the second capacitor C2 are both connected in parallel to a collector of the second transistor Q2 and one end of the third capacitor C3, and the other end of the third capacitor C3 outputs a frequency signal.
Preferably, the frequency signal generating module is an LC oscillating circuit.
The other technical scheme of the invention is realized as follows:
an igniter applying the igniter control method for preventing the automatic ignition by electrification.
Compared with the prior art, the igniter control method for preventing power-on automatic ignition firstly determines whether the protection circuit outputs a frequency signal or not by judging the on-off state of the igniter knob switch after power-on, and then determines to normally supply power to the igniter or remind a user to reset the knob switch according to the on-off state of the igniter knob switch and whether the frequency signal is acquired, so that the problem of mistakenly starting ignition caused by the fact that the knob switch is not reset when the igniter is powered on is solved, and personal and property safety of the user is protected.
Drawings
Fig. 1 is a flowchart of an igniter control method for preventing automatic ignition when power is on, provided by embodiment 1 of the invention;
fig. 2 is a circuit diagram of an igniter control method for preventing power-on auto-ignition according to embodiment 1 of the present invention.
Description of the reference numerals:
the device comprises a 1-knob switch module, a 2-voltage blocking module and a 3-frequency signal generating module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Embodiment 1 of the present invention provides an igniter control method for preventing power-on auto-ignition, as shown in fig. 1-2, including the following steps:
s1, after power is on, judging the opening and closing state of the igniter knob switch, and further determining whether the protection circuit outputs a frequency signal;
and S2, determining to supply power to the igniter normally or remind a user to reset the knob switch according to the on-off state of the knob switch of the igniter and whether the frequency signal is acquired.
Therefore, after power-on, whether the protection circuit outputs a frequency signal is determined by judging the opening and closing state of the igniter knob switch, and then normal power supply to the igniter or a user is reminded to reset the knob switch is determined according to the opening and closing state of the igniter knob switch and whether the frequency signal is acquired, namely after power-on, if the igniter knob switch is in a closed state and the protection circuit cannot output the frequency signal, the user is reminded to reset the knob switch; after the knob switch is reset by a user, the igniter knob switch is in a disconnected state, the protection circuit outputs a frequency signal, the igniter is normally powered, and finally the igniter normally starts ignition action, so that the problem of mistaken starting ignition caused by the fact that the knob switch is not reset when the igniter is powered on is solved, and personal and property safety of the user is protected.
The S1 specifically includes the following steps:
after power-on, if the igniter knob switch is in a disconnected state, the protection circuit outputs a frequency signal;
if the igniter knob switch is in a closed state, the protection circuit cannot output a frequency signal.
Therefore, the igniter knob switch is in an off state (reset state), the protection circuit outputs frequency signals, and the igniter knob switch is in an on state, so that the protection circuit cannot output the frequency signals, and the on-off state of the igniter knob switch before power failure is distinguished.
The S2 specifically includes the following steps:
determining normal power supply to the igniter according to the turn-off state of the knob switch of the igniter and the acquired frequency signal;
and reminding a user of resetting the knob switch according to the closing state of the knob switch of the igniter.
Therefore, the igniter is ensured to normally supply power through the turn-off state of the igniter knob switch and the acquired frequency signal, namely the igniter knob switch is in the turn-off state before power failure, and the igniter cannot automatically start ignition action; the power-off is taken place to the point firearm through some firearm knob switch's closed condition affirmation point firearm, reminds the user to reset knob switch, shows that some firearm knob switch is in the closed condition before the power-off promptly, probably leads to some firearm self-starting ignition action, so this application has set up protection circuit, so that the point firearm of closed condition is gone up the electricity back again before the power-off, also can't self-starting ignition action, before next normal use, remind the user to reset behind the knob switch, some firearm can normal power supply, start the ignition action.
The protection circuit comprises a knob switch module 1, a voltage blocking module 2 and a frequency signal generation module 3, wherein the knob switch module 1, the voltage blocking module 2 and the frequency signal generation module 3 are sequentially and electrically connected, the current trend of the voltage blocking module 2 is determined according to the opening and closing state of the knob switch module 1 after electrification, and the voltage of the frequency signal generation module 3 is conducted or blocked through the current trend of the voltage blocking module 2, so that whether the frequency signal generation module 3 starts oscillation or not is determined and a frequency signal is output.
Thus, after power-on, the current trend of the voltage blocking module 2 (i.e., the trend of Ic or Ib in fig. 2, where the current Ic loop represents the current for charging) is determined according to the on-off state of the knob switch module 1, and the voltage of the frequency signal generation module 3 is conducted or blocked according to the current trend of the voltage blocking module 2, so as to determine whether the frequency signal generation module 3 starts oscillation and outputs a frequency signal, that is, if the voltage blocking module 2 conducts the voltage of the frequency signal generation module 3, the frequency signal generation module 3 normally starts oscillation and outputs a frequency signal; if the voltage blocking module 2 blocks the voltage of the frequency signal generating module 3, the frequency signal generating module 3 cannot start oscillation and cannot output a frequency signal.
The knob switch module 1 comprises a first triode Q1, a first resistor R1 and a knob switch SW1, one end of a base electrode of the first triode Q1 is connected with the knob switch SW1 in parallel and one end of a first resistor R1, the other end of the first resistor R1 is electrically connected with an emitter electrode of the first triode Q1, and a collector electrode of the first triode Q1 and the other end of the knob switch SW1 are both grounded.
Thus, when the knob switch SW1 is turned on, the first transistor Q1 is turned on, the current Ib does not supply voltage to the frequency signal generating module 3 (i.e., LC oscillating circuit), the frequency signal generating module 3 cannot start oscillation, and the OUT _ ZERO terminal has no F (frequency) ac signal.
When the knob switch SW1 is turned off, the first triode Q1 is cut off, the current Ib supplies voltage to the frequency signal generation module 3 (i.e., the LC oscillating circuit), the frequency signal generation module 3 starts oscillation normally, and an F (frequency) alternating current signal is generated at the OUT _ ZERO terminal; if the knob switch SW1 is turned on (i.e., after the igniter is normally turned on), the first transistor Q1 is turned on, and the current Ib stops providing voltage to the frequency signal generation module 3, but the ac signal (ringing) at the OUT _ ZERO terminal is still maintained for a period of time, which depends on the internal resistance of the LC.
The voltage blocking module 2 includes a second triode Q2, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first capacitor C1, the one end of the second resistor R2 is electrically connected with the power VCC, the other end of the second resistor R2 is connected with the emitter of the first triode Q1 in parallel, the base of the second triode Q2, one end of the third resistor R3 and one end of the first capacitor C1, the other end of the first capacitor C1 is connected with the emitter of the second triode Q2 in parallel and one end of the fourth resistor R4 in parallel, and the other end of the third resistor R3 and the other end of the fourth resistor R4 are all grounded.
In this way, the voltage blocking module 2 is used for realizing conduction or blocking of power supply of the power supply to the frequency signal generation module 3, namely, if the voltage blocking module 2 is used for conducting power supply of the power supply to the frequency signal generation module 3, the power supply normally supplies power to the frequency signal generation module 3, the frequency signal generation module 3 normally starts oscillation, and an F (frequency) alternating current signal is generated at an OUT _ ZERO end; if the voltage blocking module 2 blocks the power supply of the power supply to the frequency signal generation module 3, the power supply cannot supply power to the frequency signal generation module 3, the frequency signal generation module 3 cannot start oscillation, and the OUT _ ZERO end has no F (frequency) alternating current signal.
The frequency signal generating module 3 comprises a first inductor L1, a second capacitor C2 and a third capacitor C3, one end of the first inductor L1 and one end of the second capacitor C2 are all electrically connected with a power supply VCC, the other end of the first inductor L1 and the other end of the second capacitor C2 are all connected with a collector of a second triode Q2 and one end of the third capacitor C3 in parallel, and the other end of the third capacitor C3 outputs a frequency signal.
Thus, an 'LC oscillating circuit' is formed by the frequency signal generating module 3, a signal with a certain frequency is generated after power supply is received, and the signal is transmitted to the control MCU for processing through the coupling capacitor C3.
According to the igniter control method for preventing power-on automatic ignition, after power-on, whether a protection circuit outputs a frequency signal is determined by judging the opening and closing state of the knob switch of the igniter, normal power supply is determined or a user is reminded to reset the knob switch according to the opening and closing state of the knob switch of the igniter and whether the frequency signal is obtained, namely after the igniter is powered on, the igniter of the igniter needs to detect two signals, namely the pull-in state and the frequency signal of the knob switch, and the ignition action can be started only after the conditions are met, so that the problem of mistaken starting of ignition caused by the fact that the knob switch is not reset when the igniter is powered on is solved, and personal and property safety of the user is protected.
Example 2
The embodiment 2 of the invention provides an igniter using the igniter control method for preventing the power-on automatic ignition.
After the igniter is powered on, whether the protection circuit outputs a frequency signal is determined by judging the opening and closing state of the igniter knob switch, and then the igniter is determined to normally supply power or remind a user to reset the knob switch according to the opening and closing state of the igniter knob switch and whether the frequency signal is acquired, so that the problem of mistakenly starting ignition caused by the fact that the knob switch is not reset when the igniter is powered on is solved, and personal and property safety of the user is protected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. An igniter control method for preventing power-on automatic ignition is characterized by comprising the following steps:
s1, after power is on, judging the opening and closing state of the igniter knob switch, and further determining whether the protection circuit outputs a frequency signal;
s2, determining to supply power to the igniter normally or remind a user to reset the knob switch according to the on-off state of the knob switch of the igniter and whether a frequency signal is acquired;
the protection circuit comprises a knob switch module (1), a voltage blocking module (2) and a frequency signal generation module (3), wherein the knob switch module (1), the voltage blocking module (2) and the frequency signal generation module (3) are sequentially and electrically connected, the current trend of the voltage blocking module (2) is determined according to the opening and closing state of the knob switch module (1) after the protection circuit is electrified, and the voltage of the frequency signal generation module (3) is conducted or blocked through the current trend of the voltage blocking module (2), so that whether the frequency signal generation module (3) starts oscillation or not is determined and a frequency signal is output;
The knob switch module (1) comprises a first triode Q1, a first resistor R1 and a knob switch SW1, wherein the base electrode of the first triode Q1 is connected with one end of the knob switch SW1 and one end of a first resistor R1 in parallel, the other end of the first resistor R1 is electrically connected with the emitter electrode of the first triode Q1, and the collector electrode of the first triode Q1 and the other end of the knob switch SW1 are both grounded;
the voltage blocking module (2) comprises a second triode Q2, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first capacitor C1, wherein one end of the second resistor R2 is electrically connected with a power supply VCC, the other end of the second resistor R2 is connected with an emitter of the first triode Q1 in parallel, a base of the second triode Q2, one end of the third resistor R3 and one end of the first capacitor C1 in parallel, the other end of the first capacitor C1 is connected with an emitter of the second triode Q2 and one end of the fourth resistor R4 in parallel, and the other end of the third resistor R3 and the other end of the fourth resistor R4 are both grounded;
the frequency signal generation module (3) comprises a first inductor L1, a second capacitor C2 and a third capacitor C3, one end of the first inductor L1 and one end of the second capacitor C2 are electrically connected with a power supply VCC, the other end of the first inductor L1 and the other end of the second capacitor C2 are connected with a collector of a second triode Q2 and one end of the third capacitor C3 in parallel, and the other end of the third capacitor C3 outputs a frequency signal.
2. The igniter control method for preventing power-on auto-ignition according to claim 1, wherein the S1 specifically includes the steps of:
after power-on, if the igniter knob switch is in a disconnected state, the protection circuit outputs a frequency signal;
if the igniter knob switch is in a closed state, the protection circuit cannot output a frequency signal.
3. The igniter control method for preventing power-on auto-ignition according to claim 2, wherein the S2 specifically includes the steps of:
determining normal power supply to the igniter according to the turn-off state of the knob switch of the igniter and the acquired frequency signal;
and reminding a user of resetting the knob switch according to the closing state of the knob switch of the igniter.
4. The igniter control method for preventing power-on auto-ignition according to claim 3, wherein the frequency signal generating module (3) is an LC oscillating circuit.
5. An igniter using the igniter control method for preventing the automatic ignition by electrification according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110117108.9A CN112856481B (en) | 2021-01-28 | 2021-01-28 | Igniter control method for preventing electrification automatic ignition and igniter applying igniter control method |
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| CN202110117108.9A CN112856481B (en) | 2021-01-28 | 2021-01-28 | Igniter control method for preventing electrification automatic ignition and igniter applying igniter control method |
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| CN112856481B true CN112856481B (en) | 2022-06-28 |
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