CN104913346B - gas cooker and control method thereof - Google Patents
gas cooker and control method thereof Download PDFInfo
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- CN104913346B CN104913346B CN201510377984.XA CN201510377984A CN104913346B CN 104913346 B CN104913346 B CN 104913346B CN 201510377984 A CN201510377984 A CN 201510377984A CN 104913346 B CN104913346 B CN 104913346B
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- flame
- kitchen ranges
- color
- gas kitchen
- gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention provides a gas cooker and a control method thereof. The gas cooker comprises a burner, a fire cover, a color sensor and a reflection piece, wherein a fire hole communicated with a gas injection channel on the burner is formed in the fire cover, so that gas is sprayed from the fire hole to form a flame; the color sensor is positioned at the bottom of the burner; an avoidance channel is arranged between the color sensor and the fire hole; a reflection surface is arranged on the reflection piece and is used for reflecting the color of the flame to the color sensor by the avoidance channel so as to detect the color of the flame; the melting point of the reflection piece is higher than the temperature of the flame generated by burning of the gas. The gas cooker provided by the invention is used for detecting the color of the flame by the matching of the color sensor and the reflection piece to detect whether the flame is put out abnormally in real time, and further a user can be reminded in time when the gas leaks, so that the occurrence of potential safety hazards is avoided; the detection speed is high, the detection is precise, and the problem that the color sensor can not resist high temperature, so that the color of the flame and the leakage of the gas can not be detected by the color sensor is overcome.
Description
Technical field
The present invention relates to field of kitchen electric appliance, more specifically, it is related to a kind of gas kitchen ranges and its control method.
Background technology
Existing gas kitchen ranges major part there is no detection to lead to fray-out of flame because food overflows, with the work of minimum firepower
Lead to the abnormalities such as accident extinguishing and remind the function of user in time；Fraction gas kitchen ranges are felt by detecting burner temperature
Know jet-burner temperature change, to judge whether flame extinguishes with this, but, this side whether extinguished based on temperature detection flame
Method, detection speed is slow, and response time length is it is impossible to timely responding to fray-out of flame and reminding user, therefore in certain period of time
The abnormality such as gas leakage there is no counte-rplan；Fraction gas kitchen ranges are also had to be detection leakage combustion after fray-out of flame
Gas, but, this based on to leakage coal gas detection judge the method whether flame extinguishes, once sensor mounting location does not conform to
Suitable, sensor can be led to accurately cannot to detect gas leakage, and during external environment influence fuel gas flow, also result in sensing
Device cannot accurately detect gas leakage, thus being easily caused the generation of potential safety hazard.
Content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
For this reason, the purpose of one aspect of the present invention is, provide a kind of can effective detection gas kitchen ranges flame whether
Extinguish, and detection speed is effectively ensured, thus avoiding the gas kitchen ranges that potential safety hazard occurs in time.
The purpose of another aspect of the present invention is, provides a kind of control method of above-mentioned gas kitchen ranges.
For achieving the above object, the embodiment of one aspect of the present invention provides a kind of gas kitchen ranges, including：Burner,
Described burner is provided with combustion gas injection passage；Fire cover, described fire cover offers fire hole, and described fire hole is led to described combustion gas injection
Road is connected, so that combustion gas is sprayed by described fire hole and forms flame；Color sensor, described color sensor is located at described fire
The lower section of lid, and there is between described color sensor and described fire hole avoidance passage；And reflecting element, described reflecting element is positioned at institute
State between fire cover and described color sensor, and on described reflecting element, there is reflecting surface, described reflecting surface is relative with described fire hole
Should arrange, the color of flame can be passed through described avoidance channel reflection to described color sensor by described reflecting surface, with by institute
State the color that color sensor detects flame；Wherein, the fusing point of described reflecting element is higher than the flame temperature that fuel gas buring produces.
The gas kitchen ranges that the above embodiment of the present invention provides, including burner, fire cover, color sensor and reflecting element, combustion gas
Sprayed and formed flame by the fire hole in fire cover, there is between the fire hole in fire cover and color sensor avoidance passage, reflecting element
On be there is the reflecting surface being oppositely arranged with fire hole, so, the color of the flame light that flame dissipates can be by reflective surface to keeping away
Allow in passage, and through avoiding channel reflection to color sensor, color sensor is sentenced according to the different flame colors receiving
Whether cutoff flame extinguishes such that it is able to remind use in time when flame extremely extinguishes, there is the potential safety hazards such as gas leakage extremely
Family or carry out corresponding protective measure, thus avoid extremely extinguish or the sending out of gas leakage and the potential safety hazard that leads to because of flame
Raw, thus improving the safety that user uses gas kitchen ranges；Specifically, blueness or blushed flame can be produced when flame does not extinguish
Light, now color sensor the flame color of blueness or redness can be detected, and during fray-out of flame, color sensor can detect
The color of burner material, thus according to the flame color detecting, color sensor judges whether flame extinguishes extremely, and then
To judge that gas kitchen ranges whether there is the hidden danger of gas leakage, this inspection detecting flame color by color sensor with this
Survey method, detection speed is fast, and response time is short, and detects accurately such that it is able to burner material is detected in color sensor
During color, judge that gas kitchen ranges have gas leakage hidden danger in time, and then remind user in time or take corresponding protective measure,
Thus avoiding the generation of potential safety hazard.
Specifically, the gas kitchen ranges that above-described embodiment provides, due to by color sensor normal working temperature scope
Impact, usual color sensor can not use in the environment of temperature is higher than 200 DEG C, in order to realize using color sensor
To detect the color of flame and then the detection method whether combustion gas leaks judged by flame color, color sensor is set
In the bottom of burner, and the temperature of burner bottom is relatively low, thus the normal work of color sensor has been effectively ensured, with this
Meanwhile, for realizing the color transfer of flame light to color sensor being increased in the relative position of fire hole and having instead
Penetrate the reflecting element of function, with by the reflecting surface on reflecting element by the color reflective of flame light to color sensor, thus real
The existing detection to flame light color for the color sensor, accurately, detection speed is fast, and low cost for detection；And due on reflecting element
Reflecting surface be oppositely arranged with fire hole, this requires that reflecting element has good resistance to elevated temperatures, with ensure reflecting element can and
When and exactly by the color reflective of flame light to color sensor, thus overcome because color sensor non-refractory, can not
With flame close contact and lead to flame color can not be detected by color sensor thus judging whether combustion gas leaks
Problem.
In addition, the gas kitchen ranges that the above embodiment of the present invention provides also have following additional technical feature：
According to one embodiment of present invention, described reflecting element is arranged on described burner or is arranged on the outer of described burner
On side or the center position being arranged on described fire cover, and the described reflecting element side wall relative with described fire hole, there is described reflection
Face；Or, described gas kitchen ranges also include air distribution disk, described reflecting element is arranged on described air distribution disk.
In above-described embodiment, centre bit that reflecting element is arranged on burner or is arranged on outside burner or is arranged on fire cover
The place of putting or be arranged on air distribution disk it is ensured that the fixing fastness of reflecting element, thus ensure that the steady of reflecting element and flame contact
Qualitative, improve the sensitivity of reflection；On the reflecting element side wall relative with fire hole, there is reflecting surface, the fire that will spray from fire hole
The color of flame reflexes to color sensor in time by reflecting surface, realizes the detection to flame color for the color sensor.
According to one embodiment of present invention, described fire cover includes inner fire cover and outer fire cover, described inner fire cover and described outer
Fire cover is all connected with described combustion gas injection passage, and described reflecting surface is located between described inner fire cover and described outer fire cover, and institute
State reflecting surface to be oppositely arranged with the fire hole on described inner fire cover.
In above-described embodiment, fire cover includes inner fire cover and outer fire cover, inner fire cover and outer fire cover all with combustion gas injection passage phase
Connection, and gas kitchen ranges firepower larger when, all have in the fire hole of interior outer fire cover flame spray；The firepower of gas kitchen ranges is less
When, only have in the fire hole of inner fire cover flame spray, therefore, for ensure gas kitchen ranges work any state under, all can and
When detection flame whether extremely extinguish, the reflecting surface on reflecting element is located between inner fire cover and outer fire cover, and makes reflecting surface
It is oppositely arranged with the fire hole on inner fire cover, thus the timely and accurate detection whether color sensor extinguishes realized to flame；And
And reflecting surface is oppositely arranged with the fire hole on inner fire cover, the active area of reflecting surface and flame can be increased so that reflecting surface energy
Enough colors reflecting flame light in time, improve reflection sensitivity, thus improving the reliability of reflection；Certainly, do not differentiating between endogenous fire
On the gas kitchen ranges of lid and outer fire cover, this reflecting element equally can be set, but it is required that in reflecting surface on reflecting element and fire cover
Fire hole be oppositely arranged, to ensure that the flame color spraying in fire hole can reflex to color sensor by reflecting surface, realize logical
Cross flame color to detect the purpose whether flame extinguishes, all within the scope of the present invention.
According to one embodiment of present invention, described reflecting surface be arc curve mirror or flat mirror, and described reflecting surface with
Angle between horizontal plane is more than 0 ° and is less than 90 °.
In above-described embodiment, arc curve mirror and flat mirror all enable flame color reflexes to the work(of color sensor
Energy；And by reflector design camber minute surface, can effectively increase the reflection angle of reflecting surface, so that reflecting surface can be by
The color of the flame light of different angles is passed through to avoid channel reflection to color sensor, thus improving color sensor further
The accuracy of detection；Angle between reflecting surface and horizontal plane is more than 0 ° and is less than 90 ° so that reflecting surface can be by more flames
Light passes through to avoid channel reflection to the color sensor positioned at burner bottom, thus improving color sensor detection further
Accuracy, improve gas kitchen ranges work safety；Certainly, when reflecting surface is for arc curve mirror, also can by reflecting surface with
Angle between horizontal plane is set to 90 ° or other angles than the above described.
According to one embodiment of present invention, described gas kitchen ranges also include operation device, and described operation device is used for sending out
Send operation signal；And control device, described control device electrically connected with described operation device and described color sensor respectively, institute
State the firepower that control device controls described gas kitchen ranges according to the operation signal that receives, and described control device is according to receiving
Flame color signal send remind order and/or adjust firepower order.
In above-described embodiment, operation device is used for sending operation signal to control device, to control combustion by control device
The size of gas stove firepower, realizes the normal work of gas kitchen ranges；Simultaneously when gas kitchen ranges work, control device can receive face
The flame color signal of colour sensor feedback, and when the flame color signal that control device receives is believed for fray-out of flame state
Number, when that is, the color of color sensor detection is the color of burner material, this timed unit judges that gas kitchen ranges have flame
Extremely extinguish or exist gas leakage hidden danger, control device sends reminds order and/or transmission to adjust firepower order, so that in time
Remind user, make user adopt protective measure in time, and/or control the corresponding protection of electric elements execution of gas kitchen ranges to arrange
Apply, such as can send, to switch valve, the order closing combustion gas injection passage, so that switch valve cuts out combustion gas injection passage in time, from
And it is prevented effectively from the generation of potential safety hazard.
According to one embodiment of present invention, described alarm set is electrically connected with described control device, described alarm set
Alerting signal can be sent, described control device can control opening of described alarm set according to the described flame color signal receiving
Stop；Wherein, described alarm set includes buzzer, speaker, LED/LCD display screen, mobile communication equipment, flat board communication apparatus
One or more of.
In above-described embodiment, alarm set is electrically connected with control device, in gas kitchen ranges work process, when color sensing
The color state signal of burner is fed back to control device by device, and that is, color sensor detects gas kitchen ranges and flame and extremely puts out
During the problems such as go out, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is the risk of gas leakage, controls
Device controls alarm set to open, and alarm set sends alerting signal, reminds user in time, so that user takes measures in time,
Thus avoiding the generation of potential safety hazard；When the color state signal of flame light is fed back to control device by color sensor, i.e. face
When colour sensor detects the flame of gas kitchen ranges and do not extinguish, it is existing that control device then judges that abnormal misfire in gas kitchen ranges
As, now there is not the risk of gas leakage, control device controls alarm set to close, and control device does not send alerting signal,
So that gas kitchen ranges keep normal operating conditions.
According to one embodiment of present invention, described gas kitchen ranges also include switch valve, and described switch valve is located at described combustion
At gas injection passage, and described combustion gas injection passage can be opened or closed, and described switch valve is electrically connected with described control device,
Described control device can open or close described combustion gas according to the described flame color signal described switch valve of control receiving and draw
Penetrate passage；Or described switch valve is connected with described operation device, operate described operation device that described switch valve can be driven to open
Or close described combustion gas injection passage.
In above-described embodiment, switch valve is located at combustion gas injection passage, and switch valve can open or close combustion gas injection passage,
And the opening and closing of control device controllable switch valve, so, in gas kitchen ranges work process, when color sensor is by stove
The color state signal of head feeds back to control device, and that is, color sensor detects gas kitchen ranges and flame and extremely extinguish etc. asking
During topic, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is the risk of gas leakage, control device control
Switch valve processed cuts out combustion gas injection passage, thus effectively preventing combustion gas from being overflowed by combustion gas injection passage, it is to avoid gas leakage is asked
The generation of topic；When the color state signal of flame light is fed back to control device by color sensor, that is, color sensor detects
When the flame of gas kitchen ranges does not extinguish, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is not combustion
The risk of gas leakage, control device controlling switch valve stays open the state of combustion gas injection passage, thus ensureing gas kitchen ranges
Normal work；Switch valve also can be connected with operation device so that flame different when color sensor detects gas kitchen ranges
During the problems such as often extinguish, switch valve can be driven by operation device to close combustion gas injection passage, that is, realize manual-lock combustion gas
The purpose of injection passage.
According to one embodiment of present invention, described operation device includes touch key-press, mechanical knob, operates in touch screen
One or more, operate the firepower size of gas kitchen ranges described in described operation device scalable；Or described operation device is automatic
Control handle, the described knob that automatically controls is electrically connected with described control device, and described control device can be according to receive
Flame color signal automatically controls knob closing described in controlling.
In above-described embodiment, operation device includes one or more of touch key-press, mechanical knob, operation touch screen, can
Start or close gas kitchen ranges, and the firepower size during work of regulating gas kitchen range by operating operation device, and make to work as
When color sensor detects the problems such as flame exception extinguishing in gas kitchen ranges, can be by operation device come manual-lock combustion gas
Kitchen range, to avoid the generation of potential safety hazard；Operation device alternatively automatically controls knob, and automatically controls knob and control device
Electrical connection, so, in gas kitchen ranges work process, when the color state signal of burner is fed back to control dress by color sensor
Put, when that is, color sensor detects the problems such as flame exception extinguishing in gas kitchen ranges, control device then judges gas kitchen ranges
Abnormal misfire phenomenon occurs, now there is the risk of gas leakage, control device control automatically controls knob and closes, regulating gas
The firepower of kitchen range is zero, that is, so that gas kitchen ranges is closed, thus effectively preventing combustion gas from being overflowed by combustion gas injection passage, it is to avoid combustion
The generation of gas leakage problem；When the color state signal of flame light is fed back to control device by color sensor, i.e. color sensing
When device detects the flame of gas kitchen ranges and do not extinguish, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now
There is not the risk of gas leakage, control device control automatically controls knob and maintains the original state, thus ensureing gas kitchen ranges just
Often work.
According to one embodiment of present invention, described gas kitchen ranges also include regulating valve, and described regulating valve is located at described combustion
At the oxygen channel of gas stove, and the opening degree of oxygen channel described in scalable, and described regulating valve and described control device
Electrical connection, described control device can oxygen according to the described flame color signal receiving controls described regulation valve regulation lead to
The opening degree in road；Or described regulating valve is located at described combustion gas injection passage, and the flow velocity of adjustable fuel gas, and described regulation
Valve is electrically connected with described control device, and described control device can control described regulation according to the described flame color signal receiving
The flow velocity of combustion gas described in valve regulation.
In above-described embodiment, at the oxygen channel of gas kitchen ranges, it is provided with regulating valve, the beating of regulating valve scalable oxygen channel
Open degree, and then the ratio of regulation oxygen and combustion gas, so in gas kitchen ranges work process, when color sensor detects fire
When the color of flame light is red, and combustion gas can send the flame light of redness when not sufficiently combusted, and by this color state signal
When feeding back to control device, control device controls to adjust the opening degree that valve increases oxygen channel, to increase the input quantity of oxygen,
So that combustion gas is fully burnt, and then improve the efficiency of combustion of combustion gas, improve the utilization rate of combustion gas, and prevent because of combustion gas not
The generation of the potential safety hazard fully burnt and lead to；When the color that color sensor detects flame light is blue, and combustion gas
The flame light of blueness can be sent in abundant burning, and when this color state signal is fed back to control device, control device control
Regulating valve processed keeps the opening degree of oxygen channel, to ensure the normal work of gas kitchen ranges；Also can be adjusted by regulating valve
The flow velocity of combustion gas, suitably to reduce the flow velocity of combustion gas when combustion gas is not sufficiently combusted, enables combustion gas fully to burn, when combustion gas is filled
Keep the flow velocity of combustion gas constant during divided combustion, the normal work to ensure gas kitchen ranges.
The embodiment of another aspect of the present invention provides a kind of control method, for controlling any of the above-described embodiment institute
The gas kitchen ranges stated, described control method includes：Receive the operation signal that the operation device of described gas kitchen ranges sends, connect simultaneously
Receive the flame color signal of the color sensor feedback of described gas kitchen ranges；Described in described operation signal according to receiving controls
The firepower of gas kitchen ranges, and the fired state face residing for described flame color is judged according to the described flame color signal receiving
Between zone：If judging flame color in OFF state color interval, controlling the alarm set of described gas kitchen ranges to send and carrying
Awake signal, and/or control the combustion gas injection passage of the switch valve described gas kitchen ranges of closing of described gas kitchen ranges, and/or control
The knob that automatically controls of described gas kitchen ranges is closed；And/or, if judging, flame color is interval in burn incompletely status color
Interior, then control the regulating valve of described gas kitchen ranges to increase the opening degree of oxygen channel of described gas kitchen ranges or control described combustion
The regulating valve of gas stove reduces the flow velocity of combustion gas；And/or, if judging flame color in abundant fired state color interval,
Described gas kitchen ranges are controlled to keep former working condition.
The control method of the gas kitchen ranges that the above embodiment of the present invention provides, according to the color sensor feedback receiving
To control, the electric elements execution of gas kitchen ranges is corresponding to be reminded or protection act flame color signal, and then in gas kitchen ranges
When flame extremely extinguishes, there is gas leakage hidden danger, alarm set is controlled to send alerting signal, to remind user so as to take
Protective measure, and/or control the electric elements of gas kitchen ranges to execute corresponding protection act, thus being prevented effectively from potential safety hazard
Occur；And in the combustion gas burn incompletely of gas kitchen ranges, control and regulation valve increases the opening degree of oxygen channel, to increase
The input quantity of oxygen, or the flow velocity of control and regulation valve reduction combustion gas, enable combustion gas fully to burn, and then improve the combustion of combustion gas
Burn efficiency, improve the utilization rate of combustion gas, and prevent the generation of potential safety hazard leading to because combustion gas is not sufficiently combusted；Furthermore
When the combustion gas of gas kitchen ranges is fully burnt, gas kitchen ranges are controlled to keep former working condition, to ensure the normal work of gas kitchen ranges.
In other words, the control method that the above embodiment of the present invention provides, can judge that flame extremely extinguishes or deposits in time and accurately
In the problem of gas leakage potential safety hazard, and the electric elements of gas kitchen ranges are controlled to execute corresponding prompting or protection act, from
And it is prevented effectively from the generation of potential safety hazard.
The additional aspect of the present invention and advantage will become obvious in following description section, or by the practice of the present invention
Recognize.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein：
Fig. 1 is the perspective view of the partial structurtes of the gas kitchen ranges according to one embodiment of the invention；
Fig. 2 is the main structure diagram of Fig. 1；
Fig. 3 is the schematic block diagram of the control method according to one embodiment of the invention.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between reference and component names is：
10 burners, 20 color sensors, 30 reflecting elements, 300 reflectings surface, 40 inner fire covers, 50 outer fire covers, 60 avoidance passages.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used
To be implemented different from mode described here using other, therefore, protection scope of the present invention is not subject to following public tool
The restriction of body embodiment.
1 and Fig. 2 description gas kitchen ranges according to some embodiments of the invention with reference to the accompanying drawings.
As depicted in figs. 1 and 2, according to some embodiments of the present invention provide gas kitchen ranges, including burner 10, fire cover,
Color sensor 20 and reflecting element 30.
Wherein, described burner 10 is provided with combustion gas injection passage；
Fire hole is offered, described fire hole is connected with described combustion gas injection passage, so that combustion gas is by described in described fire cover
Fire hole sprays and forms flame；
Described color sensor 20 is located at the bottom of described burner 10, and between described color sensor 20 and described fire hole
There is avoidance passage 60；
Reflecting surface 300 is had on described reflecting element 30, the color of flame can be passed through described avoidance and lead to by described reflecting surface 300
Road 60 reflexes to described color sensor 20, to detect the color of flame by described color sensor 20；Wherein, described reflection
The fusing point of part 30 is higher than the flame temperature that fuel gas buring produces.
The gas kitchen ranges that the above embodiment of the present invention provides, including burner, fire cover, color sensor and reflecting element, combustion gas
Sprayed and formed flame by the fire hole in fire cover, there is between the fire hole in fire cover and color sensor avoidance passage, reflecting element
On be there is the reflecting surface being oppositely arranged with fire hole, so, the color of the flame light that flame dissipates can be by reflective surface to keeping away
Allow in passage, and through avoiding channel reflection to color sensor, color sensor is sentenced according to the different flame colors receiving
Whether cutoff flame extinguishes such that it is able to remind use in time when flame extremely extinguishes, there is the potential safety hazards such as gas leakage extremely
Family or carry out corresponding protective measure, thus avoid extremely extinguish or the sending out of gas leakage and the potential safety hazard that leads to because of flame
Raw, thus improving the safety that user uses gas kitchen ranges；Specifically, blueness or blushed flame can be produced when flame does not extinguish
Light, now color sensor the flame color of blueness or redness can be detected, and during fray-out of flame, color sensor can detect
The color signal of burner material, thus according to the flame color detecting, color sensor judges whether flame extinguishes extremely, enters
And to judge that gas kitchen ranges whether there is the hidden danger of gas leakage with this, this flame color is detected by color sensor
Detection method, detection speed is fast, and response time is short, and detects accurately such that it is able to burner material is detected in color sensor
Color when, judge that gas kitchen ranges have gas leakage hidden danger in time, and then timely remind user or take corresponding protection to arrange
Apply, thus avoiding the generation of potential safety hazard.
Specifically, the gas kitchen ranges that above-described embodiment provides, due to by color sensor normal working temperature scope
Impact, usual color sensor can not use in the environment of temperature is higher than 200 DEG C, in order to realize using color sensor
To detect the color of flame and then the detection method whether combustion gas leaks judged by flame color, color sensor is set
In the bottom of burner, and the temperature of burner bottom is relatively low, thus the normal work of color sensor has been effectively ensured, with this
Meanwhile, for realizing the color transfer of flame light to color sensor being increased in the relative position of fire hole and having instead
Penetrate the reflecting element of function, with by the reflecting surface on reflecting element by the color reflective of flame light to color sensor, thus real
The existing detection to flame light color for the color sensor, accurately, detection speed is fast, and low cost for detection；And due on reflecting element
Reflecting surface be oppositely arranged with fire hole, this requires that reflecting element has good resistance to elevated temperatures, with ensure reflecting element can and
When and exactly by the color reflective of flame light to color sensor, thus overcome because color sensor non-refractory, can not
With flame close contact and lead to flame color can not be detected by color sensor thus judging whether combustion gas leaks
Problem.
Further, as shown in figure 1, described reflecting element 30 is arranged on described burner 10, and described reflecting element 30 with described
On the relative side wall of fire hole, there is described reflecting surface 300.
Certainly, described reflecting element 30 also may be installed the outside of described burner 10, and described reflecting element 30 also may be installed institute
State the center position of fire cover, or, described gas kitchen ranges also include air distribution disk, described reflecting element 30 is arranged on described air distribution disk
On.
In above-described embodiment, centre bit that reflecting element is arranged on burner or is arranged on outside burner or is arranged on fire cover
The place of putting or be arranged on air distribution disk it is ensured that the fixing fastness of reflecting element, thus ensure that the steady of reflecting element and flame contact
Qualitative, improve the sensitivity of reflection；On the reflecting element side wall relative with fire hole, there is reflecting surface, the fire that will spray from fire hole
The color of flame reflexes to color sensor in time by reflecting surface, realizes the detection to flame color for the color sensor.
Further, as depicted in figs. 1 and 2, described fire cover includes inner fire cover 40 and outer fire cover 50, described inner fire cover 40 He
Described outer fire cover 50 is all connected with described combustion gas injection passage, and it is outer with described that described reflecting surface 300 is located at described inner fire cover 40
Between fire cover 50, and described reflecting surface 300 is oppositely arranged with the fire hole on described inner fire cover 40.
In above-described embodiment, fire cover includes inner fire cover and outer fire cover, inner fire cover and outer fire cover all with combustion gas injection passage phase
Connection, and gas kitchen ranges firepower larger when, all have in the fire hole of interior outer fire cover flame spray；The firepower of gas kitchen ranges is less
When, only have in the fire hole of inner fire cover flame spray, therefore, for ensure gas kitchen ranges work any state under, all can and
When detection flame whether extremely extinguish, the reflecting surface on reflecting element is located between inner fire cover and outer fire cover, and makes reflecting surface
It is oppositely arranged with the fire hole on inner fire cover, thus the timely and accurate detection whether color sensor extinguishes realized to flame；And
And reflecting surface is oppositely arranged with the fire hole on inner fire cover, the active area of reflecting surface and flame can be increased so that reflecting surface energy
Enough colors reflecting flame light in time, improve reflection sensitivity, thus improving the reliability of reflection；Certainly, do not differentiating between endogenous fire
On the gas kitchen ranges of lid and outer fire cover, this reflecting element equally can be set, but it is required that in reflecting surface on reflecting element and fire cover
Fire hole be oppositely arranged, to ensure that the flame color spraying in fire hole can reflex to color sensor by reflecting surface, realize logical
Cross flame color to detect the purpose whether flame extinguishes, all within the scope of the present invention.
In one embodiment of the present of invention, described reflecting surface 300 is arc curve mirror or flat mirror, and described reflecting surface
Angle between 300 and horizontal plane is more than 0 ° and is less than 90 °.
In above-described embodiment, arc curve mirror and flat mirror all enable flame color reflexes to the work(of color sensor
Energy；And by reflector design camber minute surface, can effectively increase the reflection angle of reflecting surface, so that reflecting surface can be by
The color of the flame light of different angles is passed through to avoid channel reflection to color sensor, thus improving color sensor further
The accuracy of detection；Angle between reflecting surface and horizontal plane is more than 0 ° and is less than 90 ° so that reflecting surface can be by more flames
Light passes through to avoid channel reflection to the color sensor positioned at burner bottom, thus improving color sensor detection further
Accuracy, improve gas kitchen ranges work safety；Certainly, when reflecting surface is for arc curve mirror, also can by reflecting surface with
Angle between horizontal plane is set to 90 ° or other angles than the above described, all within the scope of the present invention.
In one embodiment of the present of invention, described gas kitchen ranges also include operation device and described control device, described behaviour
It is used for sending operation signal as device；Described control device is electrically connected with described operation device and described color sensor 20 respectively
Connect, described control device controls the firepower of described gas kitchen ranges according to the operation signal that receives, and described control device according to
The flame color signal receiving sends reminds order and/regulation firepower order.
In above-described embodiment, operation device is used for sending operation signal to control device, to control combustion by control device
The size of gas stove firepower, realizes the normal work of gas kitchen ranges；Simultaneously when gas kitchen ranges work, control device can receive face
The flame color signal of colour sensor feedback, and when the flame color signal that control device receives is believed for fray-out of flame state
Number, when that is, the color of color sensor detection is the color of burner material, this timed unit judges that gas kitchen ranges have flame
Extremely extinguish or exist gas leakage hidden danger, control device sends reminds order and/or transmission to adjust firepower order, so that in time
Remind user, make user adopt protective measure in time, and/or control the corresponding protection of electric elements execution of gas kitchen ranges to arrange
Apply, such as can send, to switch valve, the order closing combustion gas injection passage, so that switch valve cuts out combustion gas injection passage in time, from
And it is prevented effectively from the generation of potential safety hazard.
In one embodiment of the present of invention, described alarm set is electrically connected with described control device, and described alarm set can
Send alerting signal, described control device can control opening of described alarm set according to the described flame color signal receiving
Stop.
In above-described embodiment, alarm set is electrically connected with control device, in gas kitchen ranges work process, when color sensing
The color state signal of burner is fed back to control device by device, and that is, color sensor detects gas kitchen ranges and flame and extremely puts out
During the problems such as go out, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is the risk of gas leakage, controls
Device controls alarm set to open, and alarm set sends alerting signal, reminds user in time, so that user takes measures in time,
Thus avoiding the generation of potential safety hazard；When the color state signal of flame light is fed back to control device by color sensor, i.e. face
When colour sensor detects the flame of gas kitchen ranges and do not extinguish, it is existing that control device then judges that abnormal misfire in gas kitchen ranges
As, now there is not the risk of gas leakage, control device controls alarm set to close, and control device does not send alerting signal,
Gas kitchen ranges normal work now can be ensured.
In one embodiment of the present of invention, described alarm set is arranged on the body of described gas kitchen ranges, described prompting
Device includes one or more of buzzer, speaker, LED/LCD display screen, mobile communication equipment, flat board communication apparatus.
In one embodiment of the present of invention, described gas kitchen ranges also include switch valve, and described switch valve is located at described combustion gas
At injection passage, and described combustion gas injection passage can be opened or closed, and described switch valve is electrically connected with described control device, institute
Stating control device can control described switch valve to open or close described combustion gas injection according to the described flame color signal receiving
Passage；Or described switch valve is connected with described operation device, operate described operation device that described switch valve can be driven to open or
Close described combustion gas injection passage.
In above-described embodiment, switch valve is located at combustion gas injection passage, and switch valve can open or close combustion gas injection passage,
And the opening and closing of control device controllable switch valve, so, in gas kitchen ranges work process, when color sensor is by stove
The color state signal of head feeds back to control device, and that is, color sensor detects gas kitchen ranges and flame and extremely extinguish etc. asking
During topic, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is the risk of gas leakage, control device control
Switch valve processed cuts out combustion gas injection passage, thus effectively preventing combustion gas from being overflowed by combustion gas injection passage, it is to avoid gas leakage is asked
The generation of topic；When the color state signal of flame light is fed back to control device by color sensor, that is, color sensor detects
When the flame of gas kitchen ranges does not extinguish, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now there is not combustion
The risk of gas leakage, control device controlling switch valve stays open the state of combustion gas injection passage, thus ensureing gas kitchen ranges
Normal work；Switch valve also can be connected with operation device so that flame different when color sensor detects gas kitchen ranges
During the problems such as often extinguish, switch valve can be driven by operation device to close combustion gas injection passage, that is, realize manual-lock combustion gas
The purpose of injection passage.It is pointed out that control device, when controlling switch valve cuts out combustion gas injection passage, can control simultaneously
Buzzer, speaker, LED/LCD display screen etc. are opened, and send alerting signal.
In one embodiment of the present of invention, described operation device include touch key-press, mechanical knob, operation touch screen in one
Plant or multiple, operate the firepower size of gas kitchen ranges described in described operation device scalable；Or described operation device is automatic control
Knob processed, the described knob that automatically controls is electrically connected with described control device, and described control device can be according to the described fire receiving
Flame color signal automatically controls knob closing described in controlling.
In above-described embodiment, operation device includes one or more of touch key-press, mechanical knob, operation touch screen, can
Start or close gas kitchen ranges, and the firepower size during work of regulating gas kitchen range by operating operation device, and make to work as
When color sensor detects the problems such as flame exception extinguishing in gas kitchen ranges, can be by operation device come manual-lock combustion gas
Kitchen range, to avoid the generation of potential safety hazard；Operation device alternatively automatically controls knob, and automatically controls knob and control device
Electrical connection, so, in gas kitchen ranges work process, when the color state signal of burner is fed back to control dress by color sensor
Put, when that is, color sensor detects the problems such as flame exception extinguishing in gas kitchen ranges, control device then judges gas kitchen ranges
Abnormal misfire phenomenon occurs, now there is the risk of gas leakage, control device control automatically controls knob and closes, regulating gas
The firepower of kitchen range is zero, that is, so that gas kitchen ranges is closed, thus effectively preventing combustion gas from being overflowed by combustion gas injection passage, it is to avoid combustion
The generation of gas leakage problem；When the color state signal of flame light is fed back to control device by color sensor, i.e. color sensing
When device detects the flame of gas kitchen ranges and do not extinguish, control device then judges that abnormal misfire phenomenon in gas kitchen ranges, now
There is not the risk of gas leakage, control device control automatically controls knob and maintains the original state, thus ensureing gas kitchen ranges just
Often work.It is pointed out that control device, while control automatically controls knob and closes, can control buzzer, raise simultaneously
Sound device, LED/LCD display screen etc. are opened, and send alerting signal.
In one embodiment of the present of invention, described gas kitchen ranges also include regulating valve, and described regulating valve is located at described combustion gas
At the oxygen channel of kitchen range, and the opening degree of oxygen channel described in scalable, and described regulating valve and described control device electricity
Connect, described control device can according to the described flame color signal receiving controls described regulation valve regulation oxygen channel
Opening degree；Or described regulating valve is located at described combustion gas injection passage, and the flow velocity of adjustable fuel gas, and described regulating valve
Electrically connect with described control device, described control device can control described regulating valve according to the described flame color signal receiving
Adjust the flow velocity of described combustion gas.
In above-described embodiment, at the oxygen channel of gas kitchen ranges, it is provided with regulating valve, the beating of regulating valve scalable oxygen channel
Open degree, and then the ratio of regulation oxygen and combustion gas, so in gas kitchen ranges work process, when color sensor detects fire
When the color of flame light is red, and combustion gas can send the flame light of redness when not sufficiently combusted, and by this color state signal
When feeding back to control device, control device controls to adjust the opening degree that valve increases oxygen channel, to increase the input quantity of oxygen,
So that combustion gas is fully burnt, and then improve the efficiency of combustion of combustion gas, improve the utilization rate of combustion gas, and prevent because of combustion gas not
The generation of the potential safety hazard fully burnt and lead to；When the color that color sensor detects flame light is blue, and combustion gas
The flame light of blueness can be sent in abundant burning, and when this color state signal is fed back to control device, control device control
Regulating valve processed keeps the opening degree of oxygen channel, to ensure the normal work of gas kitchen ranges；Also can be adjusted by regulating valve
The flow velocity of combustion gas, suitably to reduce the flow velocity of combustion gas when combustion gas is not sufficiently combusted, enables combustion gas fully to burn, when combustion gas is filled
Keep the flow velocity of combustion gas constant during divided combustion, the normal work to ensure gas kitchen ranges.It is pointed out that control device is in control
While system adjusts the opening degree of valve regulation oxygen channel, buzzer, speaker, LED/LCD display screen etc. can be controlled simultaneously
Open, and send alerting signal.
The embodiment of another aspect of the present invention provides a kind of control method, for controlling any of the above-described embodiment institute
The gas kitchen ranges stated, as shown in figure 3, described control method comprises the following steps：
Step 102：Receive the operation signal that the operation device of described gas kitchen ranges sends, receive described gas kitchen ranges simultaneously
Color sensor feedback flame color signal；
Step 104：Control the firepower of described gas kitchen ranges according to the described operation signal receiving, and according to receiving
Described flame color signal judges the fired state color interval residing for described flame color：
If judging flame color in OFF state color interval, controlling the alarm set of described gas kitchen ranges to send and carrying
Awake signal, and/or control the combustion gas injection passage of the switch valve described gas kitchen ranges of closing of described gas kitchen ranges, and/or control
The knob that automatically controls of described gas kitchen ranges is closed；And/or,
If judging, flame color, in burn incompletely status color interval, controls the regulating valve of described gas kitchen ranges to increase
The regulating valve of the opening degree of oxygen channel of described greatly gas kitchen ranges or the described gas kitchen ranges of control reduces the flow velocity of combustion gas；
And/or,
If judging flame color in abundant fired state color interval, described gas kitchen ranges are controlled to keep former work shape
State.
The control method of the gas kitchen ranges that the above embodiment of the present invention provides, according to the color sensor feedback receiving
To control, the electric elements execution of gas kitchen ranges is corresponding to be reminded or protection act flame color signal, and then in gas kitchen ranges
When flame extremely extinguishes, there is gas leakage hidden danger, alarm set is controlled to send alerting signal, to remind user so as to take
Protective measure, and/or control the electric elements of gas kitchen ranges to execute corresponding protection act, thus being prevented effectively from potential safety hazard
Occur；And in the combustion gas burn incompletely of gas kitchen ranges, control and regulation valve increases the opening degree of oxygen channel, to increase
The input quantity of oxygen, or the flow velocity of control and regulation valve reduction combustion gas, enable combustion gas fully to burn, and then improve the combustion of combustion gas
Burn efficiency, improve the utilization rate of combustion gas, and prevent the generation of potential safety hazard leading to because combustion gas is not sufficiently combusted；Furthermore
When the combustion gas of gas kitchen ranges is fully burnt, gas kitchen ranges are controlled to keep former working condition, to ensure the normal work of gas kitchen ranges.
In other words, the control method that the above embodiment of the present invention provides, can judge that flame extremely extinguishes or deposits in time and accurately
In the problem of gas leakage potential safety hazard, and the electric elements of gas kitchen ranges are controlled to execute corresponding prompting or protection act, from
And it is prevented effectively from the generation of potential safety hazard.
Comprehensive described, the gas kitchen ranges that the present invention provides, by arranging color sensor in the bottom of burner, and burner or
Air distribution disk is provided with the reflecting element that the flame light that flame dissipates can reflex to color sensor, so that gas kitchen ranges can lead to
Cross color sensor to detect the color of flame light, whether control device can judge flame according to the color state signal receiving
Extinguish, and then judge whether the potential safety hazard of gas leakage, so that control device can extremely extinguish in flame, exist
During gas leakage hidden danger, control alarm set to send alerting signal in time, or control the associated appliance element on gas kitchen ranges to hold
Row protective measure, such as controlling switch valve close combustion gas injection passage etc., thus reminding user in time, it is to avoid the sending out of potential safety hazard
Raw；And match by color sensor and reflecting element to detect the detection mode of flame light color, accurately, detection is fast for detection
Degree is fast, and low cost, and effectively overcome because color sensor non-refractory, can not with flame close contact and lead to not
Flame color can be detected by color sensor thus judged the problem whether combustion gas leaks, improve gas kitchen ranges work
Reliability.
In describing the invention, term " installation ", " connection " etc. all should be interpreted broadly, and for example, " connection " can be
It is fixedly connected or is detachably connected, or be integrally connected；Can be to be joined directly together it is also possible to pass through between intermediary
Connect connected.For the ordinary skill in the art, can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features with reference to this embodiment or example description, structure, material or feature are contained at least one reality of the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of gas kitchen ranges are it is characterised in that include：
Burner, described burner is provided with combustion gas injection passage；
Fire cover, described fire cover offers fire hole, and described fire hole is connected with described combustion gas injection passage, so that combustion gas is by described
Fire hole sprays and forms flame；
Color sensor, described color sensor is located at the bottom of described burner, and described color sensor and described fire hole it
Between there is avoidance passage；With
Reflecting element, described reflecting element has reflecting surface, and it is anti-that the color of flame can be passed through described avoidance passage by described reflecting surface
It is incident upon described color sensor, to detect the color of flame by described color sensor；
Wherein, the fusing point of described reflecting element is higher than the flame temperature that fuel gas buring produces.
2. gas kitchen ranges according to claim 1 it is characterised in that
Described reflecting element is arranged on described burner or is arranged on the outside of described burner or the centre bit being arranged on described fire cover
Put place, and on the described reflecting element side wall relative with described fire hole, there is described reflecting surface；Or,
Described gas kitchen ranges also include air distribution disk, and described reflecting element is arranged on described air distribution disk.
3. gas kitchen ranges according to claim 2 it is characterised in that
Described fire cover includes inner fire cover and outer fire cover, and described inner fire cover is all connected with described combustion gas injection passage with described outer fire cover
Logical, described reflecting surface is located between described inner fire cover and described outer fire cover, and the fire hole on described reflecting surface and described inner fire cover
It is oppositely arranged.
4. gas kitchen ranges according to claim 2 it is characterised in that
Described reflecting surface is that the angle between arc curve mirror or flat mirror, and described reflecting surface and horizontal plane is less than more than 0 °
90°.
5. gas kitchen ranges according to any one of claim 1 to 4 are it is characterised in that also include：
Operation device, described operation device is used for sending operation signal；With
Control device, described control device is electrically connected with described operation device and described color sensor respectively, and described control fills
Put the firepower controlling described gas kitchen ranges according to the operation signal receiving, and described control device is according to the flame face receiving
Chrominance signal sends to be reminded order and/or adjusts firepower order.
6. gas kitchen ranges according to claim 5 are it is characterised in that also include：
Alarm set, described alarm set is electrically connected with described control device, and described alarm set can send alerting signal, described
Control device can control the start and stop of described alarm set according to the described flame color signal receiving；
Wherein, described alarm set include buzzer, speaker, LED/LCD display screen, mobile communication equipment, flat board communication set
One or more of standby.
7. gas kitchen ranges according to claim 5 are it is characterised in that also include：
Switch valve, described switch valve is located at described combustion gas injection passage, and can open or close described combustion gas injection passage, and
Described switch valve is electrically connected with described control device, and described control device can control according to the described flame color signal receiving
Described switch valve opens or closes described combustion gas injection passage；Or described switch valve is connected with described operation device, operate institute
Stating operation device can drive described switch valve to open or close described combustion gas injection passage.
8. gas kitchen ranges according to claim 5 it is characterised in that
Described operation device includes one or more of touch key-press, mechanical knob, operation touch screen, operates described operation device
The firepower size of gas kitchen ranges described in scalable；Or described operation device is to automatically control knob, described automatically control knob with
Described control device electrical connection, described control device can automatically control according to the described flame color signal receiving controls
Knob is closed.
9. gas kitchen ranges according to claim 5 are it is characterised in that also include：
Regulating valve, described regulating valve is located at the oxygen channel of described gas kitchen ranges, and the opening of oxygen channel described in scalable
Degree, and described regulating valve electrically connected with described control device, described control device can be according to the described flame color receiving
Signal controls the described opening degree adjusting oxygen channel described in valve regulation；Or described regulating valve is located at described combustion gas injection passage
Place, and the flow velocity of adjustable fuel gas, and described regulating valve are electrically connected with described control device, and described control device can be according to reception
The described flame color signal arriving controls the described flow velocity adjusting combustion gas described in valve regulation.
10. a kind of control method is it is characterised in that be used for controlling gas kitchen ranges as claimed in any one of claims 1-9 wherein,
Described control method includes：
Receive the operation signal that the operation device of described gas kitchen ranges sends, receive the color sensor of described gas kitchen ranges simultaneously
The flame color signal of feedback；
Described operation signal according to receiving controls the firepower of described gas kitchen ranges, and according to the described flame color receiving
Signal judges the fired state color interval residing for described flame color：
If judging flame color in OFF state color interval, the alarm set of described gas kitchen ranges is controlled to send prompting letter
Number, and/or the combustion gas injection passage of the switch valve described gas kitchen ranges of closing of the described gas kitchen ranges of control, and/or control described
The knob that automatically controls of gas kitchen ranges is closed；And/or,
If judging flame color in burn incompletely status color interval, the regulating valve of described gas kitchen ranges is controlled to increase institute
The opening degree stating the oxygen channel of gas kitchen ranges or the flow velocity of the regulating valve reduction combustion gas controlling described gas kitchen ranges；And/or,
If judging flame color in abundant fired state color interval, described gas kitchen ranges are controlled to keep former working condition.
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| CN108800195B (en) * | 2017-05-03 | 2019-12-24 | 深圳市元疆科技有限公司 | Method for calibrating combustion state of closed infrared furnace end by image recognition |
| CN107504524A (en) * | 2017-09-08 | 2017-12-22 | 珠海格力电器股份有限公司 | Processing method, device, processor and the lampblack absorber of gas-cooker abnormal work |
| CN108662622A (en) * | 2018-05-23 | 2018-10-16 | 九阳股份有限公司 | A kind of flame detector system of gas-cooker |
| CN108954400A (en) * | 2018-09-20 | 2018-12-07 | 四川尚吕家居科技有限公司 | A kind of gas furnace automatic constant-temperature burner |
| CN109539149A (en) * | 2018-09-30 | 2019-03-29 | 深圳市科瑞兹科技有限公司 | Electronic simulation very hot oven and its control method and storage medium |
| CN109345561A (en) * | 2018-11-30 | 2019-02-15 | 王银仙 | Combustion state real-time monitoring platform |
| CN111256135B (en) * | 2018-11-30 | 2022-01-21 | 宁波方太厨具有限公司 | Burner for gas stove |
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| BRPI0702019A2 (en) * | 2007-05-10 | 2008-12-23 | Whirlpool Sa | signaling device for food preparation equipment |
| KR101552888B1 (en) * | 2013-12-19 | 2015-09-14 | 동부대우전자 주식회사 | Method and apparatus for controlling state of cooking device |
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| CN201434420Y (en) * | 2009-06-29 | 2010-03-31 | 李舒敏 | Multi-functional gas stove |
| CN202182491U (en) * | 2011-06-22 | 2012-04-04 | 谭凤霞 | Safe-timing gas cooker |
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