CN116182205A - Safe gas-cooker control system - Google Patents
Safe gas-cooker control system Download PDFInfo
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- CN116182205A CN116182205A CN202310078423.4A CN202310078423A CN116182205A CN 116182205 A CN116182205 A CN 116182205A CN 202310078423 A CN202310078423 A CN 202310078423A CN 116182205 A CN116182205 A CN 116182205A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses a safe gas stove control system, which comprises: the electronic ignition module is used for forming a primary electric arc by adopting high-voltage breakdown air to finish ignition; the flame detection module is used for detecting flame in real time; the controller sends a control signal for stopping ignition to the electronic ignition module according to the flame signal; the empty burning prevention module is used for detecting whether a cooker is arranged on the gas stove after the ignition; the controller is used for judging whether a cooker exists according to the detection signal sent by the idle burning prevention module, and sending an air inflow control signal to the electronic valve control module and an oxygen distribution control signal to the fan speed regulation module if the cooker exists; the electronic valve control module is used for controlling the air inflow of the natural gas according to the air inflow control signal; the fan speed regulating module is used for controlling the rotating speed of the fan to automatically distribute the oxygen according to the oxygen distribution control signal. The control system can control the air inflow and the oxygen distribution amount of the natural gas, improve the combustion efficiency of the gas, prevent the empty burning, and save energy efficiently.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a safe gas cooker control system.
Background
With the increasing promotion of resident level, the gas stove has been taken as the main cooking kitchen ware of family and has been walked into everyone, but at present the ignition of old gas stove in market, firepower size adjustment etc. are realized through mechanical knob switch, have had the unable dry combustion method of preventing, can not carry out temperature detection, can not carry out problems such as firepower automatically regulated. With the improvement of life quality of people, the requirements of people on comfort, safety and intelligence of the gas cooker are higher.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a safe gas stove control system which can control the air inflow and the oxygen distribution amount of natural gas, improve the combustion efficiency of the gas, prevent idle burning and realize high efficiency and energy conservation.
The invention provides a safe gas stove control system, which comprises: the electronic ignition module is used for forming a primary electric arc by using high-voltage breakdown air to complete ignition;
the flame detection module is used for detecting flame in real time and sending a detected flame signal to the controller;
the controller sends a control signal for stopping ignition to the electronic ignition module according to the flame signal;
the empty burning prevention module is used for detecting whether a cooker is arranged on the gas stove after the ignition of fire and sending a detection signal to the controller;
the controller is used for judging whether a cooker exists according to the detection signal sent by the idle burning prevention module, and sending an air inflow control signal to the electronic valve control module and an oxygen distribution control signal to the fan speed regulation module if the cooker exists;
the electronic valve control module is used for controlling the air inflow of the natural gas according to the air inflow control signal;
the fan speed regulating module is used for controlling the rotating speed of the fan to automatically distribute the oxygen according to the oxygen distribution control signal.
Further, the system also comprises a leakage detection module, wherein the leakage detection module is used for detecting whether the fan leaks electricity or not and sending a detected signal to the controller, the controller judges whether the fan leaks electricity or not according to the detection signal sent by the leakage detection module, and if so, the controller sends an air inlet stopping control signal to the electronic valve control module.
Further, the system also comprises a voice playing module, wherein the voice playing module is used for playing the state of the current gas stove.
Further, the system also comprises a human body sensing module, wherein the human body sensing module is used for sensing human body signals and sending detected human body information to the controller.
Further, the system also comprises a display module, wherein the display module is used for displaying the current working state of the gas stove.
Further, the system also comprises a fuel gas concentration detection module, wherein the fuel gas concentration detection module is used for detecting the fuel gas concentration in the environment and sending detection information to the controller.
Further, the anti-idle-fire module comprises a first diode, a second diode, a third diode, a switch, a first resistor, a first amplifier, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and a voltage source, wherein the amplifier is LM393, one end of the first resistor is connected with one end of the switch in series, the other end of the switch is respectively connected with the positive electrode of the third diode, the positive electrode of the first diode, one end of the fifth resistor, one end of the eighth resistor and one end of the sixth resistor, and the positive electrode of the second diode, the negative electrode of the third diode is connected with one end of the second resistor in series, the negative electrode of the first diode is connected with one end of the third resistor, the other end of the fifth resistor is connected with one end of the fourth resistor and the third pin of the amplifier, the fourth pin of the amplifier is respectively connected with the other end of the first resistor, the other end of the second resistor, the other end of the third resistor, the other end of the fourth resistor and the voltage source are respectively connected with the other end of the first resistor, the negative electrode of the fourth resistor and the seventh resistor are respectively connected with the other end of the amplifier, and the negative electrode of the seventh resistor is connected with the other end of the amplifier.
Further, the electronic ignition module comprises an eighth resistor, a first triode, a first capacitor, a ninth resistor, a fourth diode, a second triode, a first transformer, a fifth diode, a tenth resistor, a second capacitor, a bidirectional diode, a controllable silicon, a third capacitor and a second transformer, one end of the eighth resistor is connected with the signal output end of the controller, the other end of the eighth resistor is connected with the base electrode of the first triode, the emitting electrode of the first triode is grounded, the collecting electrode of the first triode is respectively connected with the cathode electrode of the first capacitor, the anode electrode of the fourth diode and the emitting electrode of the second triode, the anode electrode of the first capacitor is respectively connected with one end of a power supply, one end of the ninth resistor and one end of a primary coil of the first transformer, the other end of the ninth resistor is respectively connected with the base electrode of the fourth diode and the second triode, one end of the primary coil of the first transformer is connected with the collecting electrode of the second triode, one end of a secondary coil of the first transformer is connected with the base electrode of the fifth diode, the anode electrode of the fifth diode is respectively connected with the other end of the primary coil of the first transformer, the other end of the second diode is respectively connected with the other end of the primary coil of the first transformer and the second transformer, the other end of the second diode is respectively connected with the primary coil of the first diode and the second diode is connected with the other end of the bidirectional diode, and the other end of the primary coil of the first transformer is respectively connected with the primary coil of the first diode and the second diode is connected with the diode.
Further, the controller adopts STC12C2052AD singlechip.
The invention has the beneficial effects that:
the safe gas stove control system disclosed by the invention can intelligently control the air inflow and the oxygen distribution amount of natural gas, improves the combustion efficiency of the gas stove, is efficient and energy-saving, can also prevent idle combustion, and has the advantages of good safety, simple and feasible control system structure and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 shows a schematic structural diagram of a safety gas range control system according to a first embodiment of the present invention.
Fig. 2 shows a circuit diagram of an idle burning prevention module in a safety gas range control system according to a first embodiment of the present invention.
Fig. 3 shows a circuit diagram of an electronic ignition module in a safety gas range control system according to a first embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
As shown in fig. 1, a schematic structural diagram of a safety gas stove control system according to a first embodiment of the present invention is shown, including: the electronic ignition module is used for forming a primary electric arc by using high-voltage breakdown air to complete ignition; the flame detection module is used for detecting flame in real time and sending a detected flame signal to the controller; the controller sends a control signal for stopping ignition to the electronic ignition module according to the flame signal; the empty burning prevention module is used for detecting whether a cooker is arranged on the gas stove after the ignition of fire, and sending a detection signal to the controller; the controller is used for judging whether a cooker exists according to the detection signal sent by the idle burning prevention module, and sending an air inflow control signal to the electronic valve control module and an oxygen distribution control signal to the fan speed regulation module if the cooker exists; the electronic valve control module is used for controlling the air inflow of the natural gas according to the air inflow control signal; the fan speed regulating module is used for controlling the rotating speed of the fan to automatically distribute the oxygen according to the oxygen distribution control signal.
In this embodiment, the controller uses an STC12C2052AD single-chip microcomputer. The electronic ignition module ignites under the control of the controller, the flame detection module detects a flame signal, the controller judges whether flame exists according to the flame signal, and the electronic ignition module is controlled to stop igniting after the flame exists. The empty burning prevention module detects whether a cooker is arranged on the gas stove, the detected signal is sent to the controller, if the cooker is not arranged, the controller controls the electronic valve control module to close the valve, the empty burning is prevented, and the safety of the gas stove is ensured. If the cooker is arranged, a control instruction is sent to the electronic valve control module and the fan speed regulating module, an air input control signal is sent to the electronic valve control module, an oxygen distribution amount control signal is sent to the fan speed regulating module, the electronic valve control module controls the air input of natural gas according to the air input control signal, and the fan speed regulating module controls the fan rotating speed to automatically distribute the oxygen amount according to the oxygen distribution control signal, so that the combustion rate of fuel gas can be improved, the fuel gas can be saved, the emission of harmful gas can be reduced, and the kitchen environment can be improved.
Once the controller generates electricity leakage when controlling the fan to distribute a proper amount of oxygen, the life safety of a human body in a kitchen is affected, so in the embodiment, the system is further provided with an electricity leakage detection module, and the sensitivity and the reliability of the electricity leakage detection module have an important protection effect on the life safety of the human body in the kitchen. The electric leakage detection module is used for detecting whether the fan leaks electricity or not and sending the detected signal to the controller, the controller judges whether the fan leaks electricity or not according to the detection signal sent by the electric leakage detection module, and if the fan leaks electricity, the controller sends an air inlet stopping control signal to the electronic valve control module.
In order to make people know the current state of the gas stove, the system further comprises a voice playing module, wherein the voice playing module is used for playing the current state of the gas stove. The controller controls the voice playing module to play the current working state of the gas stove, for example: successful firing, current empty firing, please place cookware as soon as possible, etc. The voice playing module is arranged, so that a user can know the current working state of the gas stove.
The system also comprises a human body induction module, wherein the human body induction module is used for inducing human body signals and sending detected human body information to the controller. The system also comprises a display module, wherein the display module is used for displaying the current working state of the gas stove. The system also comprises a fuel gas concentration detection module, wherein the fuel gas concentration detection module is used for detecting the fuel gas concentration in the environment and sending detection information to the controller. The gas concentration detection module detects the gas concentration in the kitchen, the controller judges whether the gas concentration exceeds the standard, and if the gas concentration exceeds the standard, the electronic valve control module is controlled to close the valve to prevent gas leakage.
As shown in fig. 2, a circuit diagram of an anti-idle-fire module is shown, the anti-idle-fire module comprises a first diode, a second diode, a third diode, a switch, a first resistor, a first amplifier, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and a voltage source, one end of the first resistor is connected with one end of a switch in series, the other end of the switch is respectively connected with the positive electrode of the third diode, the positive electrode of the first diode, one end of the fifth resistor, the eighth pin of the amplifier, one end of the sixth resistor and the positive electrode of the second diode, the negative electrode of the third diode is connected with one end of the second resistor in series, the negative electrode of the first diode is connected with one end of the third resistor, the other end of the fifth resistor is connected with one end of the fourth resistor and the third pin of the amplifier, the second pin of the amplifier is connected with one end of the first resistor, the fourth pin of the amplifier is respectively connected with the other end of the first resistor, the other end of the fourth pin of the amplifier, the other end of the fourth resistor and the other end of the fourth resistor is connected with the other end of the seventh resistor and the other end of the amplifier is respectively connected with the other end of the voltage source. The first diode and the third diode are infrared opposite-emitting tubes, the infrared opposite-emitting tubes are used for detecting whether cookers exist on the gas stove, when the switch is pressed down, if the infrared opposite-emitting tubes are used for detecting that cookers are not placed on the gas stove, the controller controls the electronic valve control module to close the valve, and the second diode emits light to remind that the gas stove is in an empty burning state. Therefore, the hidden danger of empty burning can be avoided, and the gas stove is more intelligent.
As shown in fig. 3, a circuit diagram of an electronic ignition module is shown, the electronic ignition module includes an eighth resistor, a first triode, a first capacitor, a ninth resistor, a fourth diode, a second triode, a first transformer, a fifth diode, a tenth resistor, a second capacitor, a bidirectional diode, a thyristor, a third capacitor and a second transformer, one end of the eighth resistor is connected with a signal output end of the controller, the other end of the eighth resistor is connected with a base electrode of the first triode, an emitter electrode of the first triode is grounded, a collector electrode of the first triode is connected with a negative electrode of the first capacitor, an anode electrode of the fourth diode and an emitter electrode of the second triode respectively, a positive electrode of the first capacitor is connected with one end of the power supply, one end of the ninth resistor and one end of a primary coil of the first transformer respectively, the other end of the ninth resistor is connected with a base electrode of the fourth diode and the second transformer respectively, the other end of the primary coil of the first resistor is connected with a collector electrode of the second triode, the other end of the second transformer is connected with a negative electrode of the second diode and the other end of the second diode respectively, the other end of the second diode is connected with another end of the bidirectional diode and the other end of the second transformer respectively, the diode is connected with another end of the first diode and the other end of the first diode and the second transformer respectively, the diode is connected with another end of the first diode and the diode. When in ignition, the controller inputs high level to the electronic ignition module, the first triode is conducted, the electronic ignition module enters an operation state, the oscillating circuit generates a pulse signal with the size of 60V after being transformed by T1, the pulse signal reaches the fast fifth diode to rectify, stable direct current is formed, the second capacitor is charged through the tenth resistor, and then energy is stored on the third capacitor. When the second voltage is raised to 30-35V, the bidirectional diode is dredged, the SCR is triggered to be conducted, the energy on the third capacitor is released to the primary coil of the secondary boost transformer T2 through the SCR, and high voltage of more than 12kV is generated after the energy is boosted through the secondary winding of the T2, so that the high voltage can break air with a certain thickness, and ignition is completed. The third capacitor is charged again after discharging, so that continuous electromagnetic ignition effect is generated, and the electronic ignition module can complete ignition in a short time.
The safe gas stove control system provided by the embodiment of the invention can intelligently control the air inflow and the oxygen distribution amount of natural gas, improves the combustion efficiency of the gas stove, is efficient and energy-saving, can prevent idle combustion, and has the advantages of good safety, simple and feasible control system structure and low cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. A safety gas range control system, comprising: the electronic ignition module is used for forming a primary electric arc by using high-voltage breakdown air to complete ignition;
the flame detection module is used for detecting flame in real time and sending a detected flame signal to the controller;
the controller sends a control signal for stopping ignition to the electronic ignition module according to the flame signal;
the empty burning prevention module is used for detecting whether a cooker is arranged on the gas stove after the ignition of fire and sending a detection signal to the controller;
the controller is used for judging whether a cooker exists according to the detection signal sent by the idle burning prevention module, and sending an air inflow control signal to the electronic valve control module and an oxygen distribution control signal to the fan speed regulation module if the cooker exists;
the electronic valve control module is used for controlling the air inflow of the natural gas according to the air inflow control signal;
the fan speed regulating module is used for controlling the rotating speed of the fan to automatically distribute the oxygen according to the oxygen distribution control signal.
2. The control system of claim 1, further comprising a leakage detection module, wherein the leakage detection module is configured to detect whether the fan leaks electricity and send a detected signal to the controller, and the controller determines whether the fan leaks electricity according to the detected signal sent by the leakage detection module, and if so, sends a stop air intake control signal to the electronic valve control module.
3. The control system of claim 1, further comprising a voice playing module for playing a current gas range state.
4. The control system of claim 1, further comprising a human body sensing module for sensing a human body signal and transmitting the detected human body information to the controller.
5. The control system of claim 1, further comprising a display module for displaying a current operating state of the gas cooker.
6. The control system of claim 1, further comprising a gas concentration detection module for detecting a gas concentration in the environment and transmitting the detection information to the controller.
7. The control system of claim 1, wherein the anti-idle module comprises a first diode, a second diode, a third diode, a switch, a first resistor, a first amplifier, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, and a voltage source, wherein one end of the first resistor is connected in series with one end of the switch, the other end of the switch is connected with the positive electrode of the third diode, the positive electrode of the first diode, one end of the fifth resistor, the eighth pin of the amplifier, one end of the sixth resistor, the positive electrode of the second diode, the negative electrode of the third diode is connected in series with one end of the second resistor, the negative electrode of the first diode is connected with one end of the third resistor, the other end of the fifth resistor is connected with one end of the fourth resistor and the third pin of the amplifier, the second pin of the amplifier is connected with one end of the first resistor, the fourth pin of the amplifier is connected with the other end of the first resistor, the other end of the amplifier is connected with the other end of the fourth resistor, the other end of the fourth resistor is connected with the other end of the fourth resistor and the other end of the fourth resistor is connected with the other end of the seventh resistor is connected with the other end of the amplifier is connected with the other end of the signal is connected with the other end of the amplifier is connected with the output of the amplifier is.
8. The control system of claim 1, wherein the electronic ignition module comprises an eighth resistor, a first triode, a first capacitor, a ninth resistor, a fourth diode, a second triode, a first transformer, a fifth diode, a tenth resistor, a second capacitor, a bidirectional diode, a silicon controlled rectifier, a third capacitor and a second transformer, one end of the eighth resistor is connected with the signal output end of the controller, the other end of the eighth resistor is connected with the base of the first triode, the emitter of the first triode is grounded, the collector of the first triode is connected with the negative electrode of the first capacitor, the positive electrode of the fourth diode and the emitter of the second triode respectively, the positive electrode of the first capacitor is connected with one end of the power supply, one end of the ninth resistor and one end of the primary coil of the first transformer respectively, the other end of the ninth resistor is connected with the base of the fourth diode and the second transformer respectively, the other end of the primary coil of the first resistor is connected with the signal output end of the controller, the other end of the second resistor is connected with the base of the first triode, the other end of the second diode and the other end of the second diode, the other end of the second diode and the other end of the second transformer are connected with the positive electrode of the second capacitor, the second diode and the other end of the diode respectively, the diode and the other end of the diode and the diode are connected with the other end of the primary coil and the first end of the first diode and the other end of the diode and the diode respectively.
9. The control system of claim 1 wherein the controller employs an STC12C2052AD single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310078423.4A CN116182205A (en) | 2023-01-12 | 2023-01-12 | Safe gas-cooker control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310078423.4A CN116182205A (en) | 2023-01-12 | 2023-01-12 | Safe gas-cooker control system |
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| Publication Number | Publication Date |
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| CN116182205A true CN116182205A (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310078423.4A Pending CN116182205A (en) | 2023-01-12 | 2023-01-12 | Safe gas-cooker control system |
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- 2023-01-12 CN CN202310078423.4A patent/CN116182205A/en active Pending
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