CN202973208U - Gas oven flameout alarm and automatic ignition device - Google Patents
Gas oven flameout alarm and automatic ignition device Download PDFInfo
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- CN202973208U CN202973208U CN 201220646963 CN201220646963U CN202973208U CN 202973208 U CN202973208 U CN 202973208U CN 201220646963 CN201220646963 CN 201220646963 CN 201220646963 U CN201220646963 U CN 201220646963U CN 202973208 U CN202973208 U CN 202973208U
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Abstract
The utility model provides a gas oven flameout alarm and automatic ignition device. The gas oven flameout alarm and automatic ignition device comprises a direct current power supply, a device switch, a sensing circuit and an ignition circuit, and is characterized by further comprising an alarm circuit, wherein the alarm circuit is provided with a first voice frequency output end, a second voice frequency output end and a triggering end; the first and second voice frequency output ends are electrically connected with a speaker, and the alarm circuit triggers the voice frequency output of the first or second voice frequency output end according to high level or low level signal received by the triggering end; the sensing circuit is provided with a signal output end and is electrically connected with the triggering end of the alarm circuit; the ignition circuit is provided with positive and negative input ends and positive and negative output ends; and the positive and negative input ends are respectively electrically connected with the first and second voice frequency output ends of the alarm circuit, and the positive and negative output ends are respectively connected with a spray point. The gas oven flameout alarm and automatic ignition device provided by the utility model can exactly judge a burning point state of a gas oven and can ignite in time, and meanwhile can send an alarm signal or warning tone to remind users.
Description
Technical field
The utility model relates to the flame-out warning of a kind of gas range and automatic ignition device
Background technology
Existing gas range generally can be with automatic ignition device, and it comprises light sensor spare and the corresponding electronic igniting circuit that connects, and utilizes light-sensitive device to judge whether flame extinguishes, and starts ignition and carries out automatic ignition if extinguish.Said apparatus has solved the problem that gas range refires after fray-out of flame when unmanned, the part but this scheme still has the deficiency: one, light-sensitive device are subject to external light influence and misjudgment can't in time start electronics point device; Its two, fail to send alarm signal or chimes of doom reminding user during fray-out of flame, situation about particularly failing in the ignition relight will affect user's the behavior of cooking.
Summary of the invention
In view of this, the utility model proposes that a kind of gas range is flame-out reports to the police and automatic ignition device, except the burning-point state that whether is in that can accurately judge coal gas and in time lighting a fire, also will send alarm signal simultaneously or the chimes of doom reminding user is in time processed.Its technical scheme is as follows:
A kind of gas range is flame-out reports to the police and automatic ignition device, comprise dc source, device switch, sensing circuit and firing circuit, it is characterized in that: also comprise a warning circuit, described warning circuit is provided with the first audio output, the second audio output and trigger end, described first, second audio output is electrically connected to loudspeaker, the audio frequency output that the high level that described warning circuit receives according to its trigger end or low level signal trigger first, second audio output; Described sensing circuit is provided with a signal output part, is electrically connected to the trigger end of warning circuit; Described firing circuit be provided with positive and negative input and positive and negative output, described positive and negative input is electrically connected to first, second audio output of described warning circuit respectively, described positive and negative output is connected to respectively spray point.
In such scheme, whether be in a little by sensing circuit to gas range that right state detects, flame-out when gas range being detected, namely the trigger alarm circuit is reported to the police; Simultaneously, the audio signal of warning circuit is used as the power supply input of follow-up firing circuit, discharged by spray point after boosting, and the some coal gas.
The air valve interlock of described device switch and gas range, closed when opening air valve timer switch, make dc source and continuous circuit communication; Disconnect when closing gas check valve timer switch.
Further, described firing circuit comprises first order transformer T1, second level transformer T2, capacitor C 1, C2, C3 and C4, commutation diode D1, D2 and D3, and diac D4; 1,2 ends of the primary coil of described first order transformer T1 are the positive and negative input of firing circuit, and 3,4 ends of the secondary coil of second level transformer T2 are the positive and negative output of firing circuit; Secondary coil 3 ends of described first order transformer T1 are connected with subsequent conditioning circuit through capacitor C 1, and 4 ends are connected with primary coil 2 ends of second level transformer T2; The anode of described commutation diode D1 is connected with 4 ends of first order transformer T1 secondary coil, and negative electrode is connected with capacitor C 1 one ends; The anode of described commutation diode D2 is connected with the cathodic electricity of commutation diode D1, and negative electrode is connected through 4 ends of capacitor C 2 with first order transformer T1 secondary coil; The anode of described commutation diode D3 is connected with commutation diode D2 cathodic electricity, and negative electrode is through capacitor C 3 and commutation diode D2 anodic bonding; Described capacitor C 4 one ends are connected with commutation diode D3 cathodic electricity, and the other end is electrically connected to secondary coil 4 ends of first order transformer; Described diac D4 anode is connected with second level transformer T2 primary coil 1 end, and negative electrode is connected with commutation diode D3 cathodic electricity.
Further, described sensing circuit comprises a ultraviolet transducing module, triode Q1 and line resistance R1 and R2; Described triode Q1 is the positive-negative-positive triode, and its base stage via line resistance R 1 is connected to dc power anode, and colelctor electrode via line resistance R 2 is connected to dc power anode, and emitter stage is connected to dc power cathode; Described ultraviolet transducing module is provided with an output that is electrically connected to the base stage of triode Q1.
As the improvement of such scheme, described spray point adopts the stainless steel strip of diameter 2mm, and the distance between two spray points is about 4 to 6mm.
Than the prior art scheme, the utility model advantage exists: 1, the ultraviolet transducing module is higher than general photo resistance accuracy, can not be subjected to the impact of extraneous light or stove and accessory self thermal infrared and misjudgment; 2, can send alarm signal or chimes of doom reminding user during fray-out of flame, situation about particularly failing in the ignition relight effectively prevents the leakage of coal gas; 3, warning circuit as the signal source of alarm signal source and firing circuit, kills two birds with one stone simultaneously, makes circuit structure more succinct, practical.
Description of drawings
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is circuit structure diagram of the present utility model.
The specific embodiment
By reference to the accompanying drawings following, embodiment of the present utility model is described below:
As shown in Figure 1, a kind of gas range is flame-out reports to the police and automatic ignition device, comprises dc source 1, device switch 2, sensing circuit 3, warning circuit 4 and firing circuit 5.The audio output of described warning circuit 4 connects loudspeaker, and the input of described firing circuit 5 is electrically connected to the audio output of warning circuit 4, and its output is connected with spray point 6.
As shown in Figure 2, described dc source 1 can adopt No. 5 batteries of two joint serial connections, and described device switch 2 is connected to dc power anode, and with the air valve interlock of gas range.Closed when opening air valve timer switch, make dc source 1 and continuous circuit communication; Disconnect when closing gas check valve timer switch.
Described sensing circuit 3 comprises a ultraviolet transducing module, triode Q1 and line resistance R1 and R2; Described triode Q1 is the positive-negative-positive triode, and its base stage via line resistance R 1 is connected to dc power anode, and colelctor electrode via line resistance R 2 is connected to dc power anode, and emitter stage is connected to dc power cathode; Described ultraviolet transducing module is provided with an output that is electrically connected to the base stage of triode Q1, when gas range being detected and be in flameout state, and output low level; When gas range being detected and be in the burning-point state, the output high level.
Sensing circuit 3 matches mutually with warning circuit 4, when the triggering level of warning circuit is high level, triode Q1 in sensing circuit is replaceable is NPN type triode, and when the triggering level of warning circuit was low level, the triode Q1 in sensing circuit is replaceable was the positive-negative-positive triode.
Described warning circuit 4 is provided with the first audio output (OUT1), the second audio output (OUT2) and trigger end (D), described first, second audio output (OUT1, OUT2) is electrically connected to loudspeaker, the audio frequency output that the high level that described warning circuit 4 receives according to its trigger end (D) or low level signal trigger first, second audio output (OUT1, OUT2); Described sensing circuit 3 is provided with a signal output part, is electrically connected to the trigger end of warning circuit 4; Described firing circuit 5 is provided with positive and negative input and positive and negative output, described positive and negative input is electrically connected to first, second audio output (OUT1, OUT2) of described warning circuit 4 respectively, and described positive and negative output is connected to respectively spray point 6.
Described firing circuit 5 comprises first order transformer T1, second level transformer T2, capacitor C 1, C2, C3 and C4, commutation diode D1, D2 and D3, and diac D4; 1,2 ends of the primary coil of described first order transformer T1 are the positive and negative input of firing circuit, and 3,4 ends of the secondary coil of second level transformer T2 are the positive and negative output of firing circuit; Secondary coil 3 ends of described first order transformer T1 are connected with subsequent conditioning circuit through capacitor C 1, and 4 ends are connected with primary coil 2 ends of second level transformer T2; The anode of described commutation diode D1 is connected with 4 ends of first order transformer T1 secondary coil, and negative electrode is connected with capacitor C 1 one ends; The anode of described commutation diode D2 is connected with the cathodic electricity of commutation diode D1, and negative electrode is connected through 4 ends of capacitor C 2 with first order transformer T1 secondary coil; The anode of described commutation diode D3 is connected with commutation diode D2 cathodic electricity, and negative electrode is through capacitor C 3 and commutation diode D2 anodic bonding; Described capacitor C 4 one ends are connected with commutation diode D3 cathodic electricity, and the other end is electrically connected to secondary coil 4 ends of first order transformer; Described diac D4 anode is connected with second level transformer T2 primary coil 1 end, and negative electrode is connected with commutation diode D3 cathodic electricity.
As the improvement of such scheme, described spray point adopts the stainless steel strip of diameter 2mm, and the distance between two spray points is take 5mm as good.
Above-mentioned is better embodiment of the present utility model, but does not limit the enforcement of this patent with this.All and the utility model scheme identical, approximate or equivalent transformation or the improvement done based on this all belong to the protection domain of this patent.
Claims (5)
1. a gas range is flame-out reports to the police and automatic ignition device, comprise dc source, device switch, sensing circuit and firing circuit, it is characterized in that: also comprise a warning circuit, described warning circuit is provided with the first audio output, the second audio output and trigger end, described first, second audio output is electrically connected to loudspeaker, the audio frequency output that the high level that described warning circuit receives according to its trigger end or low level signal trigger first, second audio output; Described sensing circuit is provided with a signal output part, is electrically connected to the trigger end of warning circuit; Described firing circuit be provided with positive and negative input and positive and negative output, described positive and negative input is electrically connected to first, second audio output of described warning circuit respectively, described positive and negative output is connected to respectively spray point.
2. a kind of gas range according to claim 1 is flame-out reports to the police and automatic ignition device, it is characterized in that: the air valve interlock of described device switch and gas range, and closed when opening air valve timer switch, make dc source and continuous circuit communication; Disconnect when closing gas check valve timer switch.
3. a kind of gas range according to claim 2 is flame-out reports to the police and automatic ignition device, it is characterized in that: described firing circuit comprises first order transformer T1, second level transformer T2, capacitor C 1, C2, C3 and C4, commutation diode D1, D2 and D3, and diac D4; 1,2 ends of the primary coil of described first order transformer T1 are the positive and negative input of firing circuit, and 3,4 ends of the secondary coil of second level transformer T2 are the positive and negative output of firing circuit; Secondary coil 3 ends of described first order transformer T1 are connected with subsequent conditioning circuit through capacitor C 1, and 4 ends are connected with primary coil 2 ends of second level transformer T2; The anode of described commutation diode D1 is connected with 4 ends of first order transformer T1 secondary coil, and negative electrode is connected with capacitor C 1 one ends; The anode of described commutation diode D2 is connected with the cathodic electricity of commutation diode D1, and negative electrode is connected through 4 ends of capacitor C 2 with first order transformer T1 secondary coil; The anode of described commutation diode D3 is connected with commutation diode D2 cathodic electricity, and negative electrode is through capacitor C 3 and commutation diode D2 anodic bonding; Described capacitor C 4 one ends are connected with commutation diode D3 cathodic electricity, and the other end is electrically connected to secondary coil 4 ends of first order transformer; Described diac D4 anode is connected with second level transformer T2 primary coil 1 end, and negative electrode is connected with commutation diode D3 cathodic electricity.
4. according to claim 2 or 3 described a kind of gas ranges are flame-out reports to the police and automatic ignition device, and it is characterized in that: described sensing circuit comprises a ultraviolet transducing module, triode Q1 and line resistance R1 and R2; Described triode Q1 is the positive-negative-positive triode, and its base stage via line resistance R 1 is connected to dc power anode, and colelctor electrode via line resistance R 2 is connected to dc power anode, and emitter stage is connected to dc power cathode; Described ultraviolet transducing module is provided with an output that is electrically connected to the base stage of triode Q1.
5. a kind of gas range according to claim 4 is flame-out reports to the police and automatic ignition device, and it is characterized in that: described spray point adopts the stainless steel strip of diameter 2mm, and the distance between two spray points is about 4 to 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646963 CN202973208U (en) | 2012-11-28 | 2012-11-28 | Gas oven flameout alarm and automatic ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646963 CN202973208U (en) | 2012-11-28 | 2012-11-28 | Gas oven flameout alarm and automatic ignition device |
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| Publication Number | Publication Date |
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| CN202973208U true CN202973208U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220646963 Expired - Fee Related CN202973208U (en) | 2012-11-28 | 2012-11-28 | Gas oven flameout alarm and automatic ignition device |
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| CN (1) | CN202973208U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954502A (en) * | 2012-11-28 | 2013-03-06 | 中山市创科科研技术服务有限公司 | Fire extinguishing alarming and automatic ignition device of gas cooker |
| CN105650694A (en) * | 2016-04-08 | 2016-06-08 | 王渊奇 | Burnout prevention device |
-
2012
- 2012-11-28 CN CN 201220646963 patent/CN202973208U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954502A (en) * | 2012-11-28 | 2013-03-06 | 中山市创科科研技术服务有限公司 | Fire extinguishing alarming and automatic ignition device of gas cooker |
| CN105650694A (en) * | 2016-04-08 | 2016-06-08 | 王渊奇 | Burnout prevention device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141128 |
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| EXPY | Termination of patent right or utility model |