CN201177289Y - Gas stove energy supply and ignition apparatus control circuit - Google Patents
Gas stove energy supply and ignition apparatus control circuit Download PDFInfo
- Publication number
- CN201177289Y CN201177289Y CNU2008200919923U CN200820091992U CN201177289Y CN 201177289 Y CN201177289 Y CN 201177289Y CN U2008200919923 U CNU2008200919923 U CN U2008200919923U CN 200820091992 U CN200820091992 U CN 200820091992U CN 201177289 Y CN201177289 Y CN 201177289Y
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- power supply
- igniter
- control circuit
- circuit
- transistor
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Abstract
The utility model relates to a gas cooker power supply and an igniter control circuit, comprising a power supply driving circuit (2) and an igniter driving circuit (3). The gas cooker power supply and the igniter control circuit are characterized by also comprising a comparison control circuit (1) connected with the power supply driving circuit (2) and the igniter driving circuit (3), wherein the comparison control circuit (1) is used for generating and controlling the high level and the low level of the power supply driving circuit (2) and the igniter driving circuit (3) by inputting a time-delay voltage signal. The working time of the power supply and the igniter is controlled accurately by controlling the effective working time of the time-delay voltage signal, thereby accurately controlling the working time of the power supply and the igniter accurately. Compared with the prior mechanical switch control, the gas cooker power supply and the igniter control circuit improve the working efficiency and are more intelligent, safe and reliable.
Description
Technical field
The utility model relates to gas-cooker power supply and igniter control circuit, more particularly, relates to a kind of high efficiency reliable gas-cooker power supply and igniter control circuit.
Background technology
As shown in Figure 1, traditional gas-cooker power supply and igniter control method are to make load carry out work by mechanical switch control drive circuit (being power driving circuit and igniter drive circuit), connect the purpose that power supply is given the igniting of control circuit supply terminals firearm thereby reach.Yet sort circuit not only efficient is low, and has certain potential safety hazard, so we need a kind of operate gas-cooker power supply and igniter control circuit convenient and that efficient is higher.
The utility model content
The technical problems to be solved in the utility model is, and is low and have the above-mentioned defective of potential safety hazard at the efficient of prior art, and a kind of gas-cooker power supply and igniter control circuit are provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of gas-cooker power supply and igniter control circuit, comprise power driving circuit and igniter drive circuit, it is characterized in that, also comprise the comparison control circuit that is connected to described power driving circuit and igniter drive circuit, be used for generating the high-low level of described power driving circuit of control and described igniter drive circuit by the input time delay voltage signal.
In gas-cooker power supply described in the utility model and igniter control circuit, described comparison control circuit comprises the comparator UA that connects power supply VCC, be connected to described comparator UA in the same way input bleeder circuit and be connected filter capacitor C1 between power supply VCC and the ground, the reverse input end of described comparator UA connects described time-delay voltage signal.
In gas-cooker power supply described in the utility model and igniter control circuit, described bleeder circuit comprises divider resistance R1, the R2 that is connected between power supply VCC and the ground, and the input in the same way of described comparator UA is connected between R1 and the R2.
In gas-cooker power supply described in the utility model and igniter control circuit, described power driving circuit comprise transistor T R3, be connected the current-limiting resistance R6 between described comparison control circuit output and the described transistor T R3 grid and be connected power supply VCC and described transistor T R3 source electrode between current-limiting resistance R7, the drain electrode of described transistor T R6 connects load voltage V5.
In gas-cooker power supply described in the utility model and igniter control circuit, described igniter drive circuit comprises transistor T R1, triode TR2, diode D1, relay R Y1, be connected the current-limiting resistance R3 between comparison control circuit output and the described transistor T R1 grid, be connected the current-limiting resistance R5 between described transistor T R1 drain electrode and the described triode TR2 base stage and be connected current-limiting resistance R4 between described transistor T R1 drain electrode and the described transistor emitter, the grid of described transistor T R1 meets R3, source electrode meets the load voltage V5 of power driving circuit, drain electrode meets R4 and R5, the base stage of described triode TR2 meets R5, colelctor electrode meets diode D1 and relay R Y1, grounded emitter, described diode D1 and relay R Y1 are connected in parallel between power vd D and the triode TR2 colelctor electrode.
Implement gas-cooker power supply of the present utility model and igniter control circuit, have following beneficial effect:
Effective time by control time-delay voltage signal is accurately controlled power supply and igniter working time, can accurately control power supply and igniter working time like this, with respect to traditional mechanical switch control, gas-cooker power supply of the present utility model and igniter control circuit have improved operating efficiency, and intelligent more, safety, reliable.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the traditional gas-cooker power supply and the system block diagram of igniter control circuit;
Fig. 2 is the system block diagram of gas-cooker power supply of the present utility model and igniter control circuit;
Fig. 3 is the schematic diagram of gas-cooker power supply of the present utility model and igniter control circuit.
The specific embodiment
The utility model is by time-delay voltage signal that to give comparison control circuit 1 input time be T, comparison control circuit 1 output high-low level is controlled power driving circuit 2 and igniter drive circuit 3 then, and then make load carry out work, reach and connect the purpose of power supply to control circuit power supply and igniter igniting.The characteristics of this utility model are accurately to control power supply and igniter working time by the effective time T that controls the time-delay voltage signal, can accurately control power supply and igniter working time like this, with respect to traditional mechanical switch control, gas-cooker power supply of the present utility model and igniter control circuit have improved operating efficiency, and intelligent more, safety, reliable.
As shown in Figure 2, gas-cooker power supply and igniter control circuit comprise comparison control circuit 1, power driving circuit 2 and igniter drive circuit 3, comparison control circuit 1 links to each other with igniter drive circuit 3 with power driving circuit 2, by generating high-low level for comparison control circuit 1 input time delay voltage signal, with control power driving circuit 2 and igniter drive circuit 3, and then connect power supply power supply and igniter sparking.
Fig. 3 is the schematic diagram of gas-cooker power supply of the present utility model and igniter control circuit.Comparison control circuit 1 comprises the comparator UA that connects power supply VCC, is used for voltage U r and Uin are compared processing.Comparison control circuit 1 also comprises and is connected to the comparator UA bleeder circuit 4 of input in the same way, is used to provide voltage U r.Bleeder circuit 4 comprises divider resistance R1, the R2 that is connected between power supply VCC and the ground, and the input in the same way of comparator UA is connected between R1 and the R2.Comparison control circuit 1 also comprises the filter capacitor C1 that is connected between power supply VCC and the ground.The reverse input end connect hours of comparator UA is the time-delay voltage signal Uin of T, and input connects Ur in the same way, obtains required high-low level by comparator UA then.Power driving circuit 2 comprise transistor T R3, be connected the output and the current-limiting resistance R6 between the transistor T R3 grid of comparison control circuit 1 and be connected power supply VCC and transistor T R3 source electrode between current-limiting resistance R7.The drain electrode of transistor T R6 connects load voltage V5, and V5 is used for by the conducting of transistor T R1 and ends the conducting of controlling triode TR2 and end.Igniter drive circuit 3 comprises current-limiting resistance R3 between transistor T R1, triode TR2, diode D1, relay R Y1, the output that is connected comparison control circuit 1 and the transistor T R1 grid, be connected current-limiting resistance R5 between transistor T R1 drain electrode and the triode TR2 base stage, be connected the current-limiting resistance R4 between transistor T R1 drain electrode and the transistor emitter.The grid of transistor T R1 meets R3, and source electrode meets the load voltage V5 of power driving circuit 2, and drain electrode meets R4 and R5.The base stage of triode TR2 meets R5, and colelctor electrode connects diode D1 and relay R Y1, grounded emitter.Diode D1 and relay R Y1 are connected in parallel between power vd D and the triode TR2 colelctor electrode.Diode D1 is used to prevent the relay closes high back voltage destruction entire circuit of moment.
The operation principle of circuit theory diagrams shown in Figure 3 is as follows: give the comparator UA reverse input end input time-delay voltage signal Uin that effective time is T, and input terminal voltage is voltage U r by resistance R 1, R2 dividing potential drop gained in the same way.Within Uin effective time T, if Uin greater than Ur, comparison control circuit 1 output low level at this moment, the TR3 conducting of power driving circuit 2, thereby power supply VCC is load voltage V5 power supply.The TR1 and the also conducting of TR2 of igniter drive circuit 3 at this moment, relay work then, thereby igniter igniting.Outside Uin effective time T, if Uin less than Ur, comparator UA output high level at this moment, comparison control circuit 1 output high level, the TR3 of power driving circuit 2 ends, thus power supply VCC can not be load voltage V5 power supply.The TR1 and the TR2 of igniter drive circuit 3 end simultaneously, and relay can not be worked, thereby igniter can not normal ignition.
The utility model has increased a comparison control circuit 1, by the time-delay voltage signal that to give comparison control circuit 1 input time be T, exporting high-low level then controls power driving circuit 2 and igniter drive circuit 3, thereby make load carry out work, reach and connect the purpose of power supply to control circuit power supply and igniter igniting.The characteristics of this utility model are accurately to control power supply and igniter working time by the effective time T that controls the time-delay voltage signal, can accurately control power supply and igniter working time like this, with respect to traditional mechanical switch control, gas-cooker power supply of the present utility model and igniter control circuit have improved operating efficiency, and intelligent more, safety, reliable.
Claims (5)
1, a kind of gas-cooker power supply and igniter control circuit, comprise power driving circuit (2) and igniter drive circuit (3), it is characterized in that, also comprise the comparison control circuit (1) that is connected to described power driving circuit (2) and igniter drive circuit (3), be used for generating the high-low level of control described power driving circuit (2) and described igniter drive circuit (3) by the input time delay voltage signal.
2, gas-cooker power supply according to claim 1 and igniter control circuit, it is characterized in that, described comparison control circuit (1) comprises the comparator UA that connects power supply VCC, be connected to the described comparator UA bleeder circuit of input (4) and be connected filter capacitor C1 between power supply VCC and the ground in the same way, and the reverse input end of described comparator UA connects described time-delay voltage signal.
3, gas-cooker power supply according to claim 2 and igniter control circuit, it is characterized in that, described bleeder circuit (4) comprises divider resistance R1, the R2 that is connected between power supply VCC and the ground, and the input in the same way of described comparator UA is connected between R1 and the R2.
4, gas-cooker power supply according to claim 1 and igniter control circuit, it is characterized in that, described power driving circuit (2) comprise transistor T R3, be connected the current-limiting resistance R6 between described comparison control circuit (1) output and the described transistor T R3 grid and be connected power supply VCC and described transistor T R3 source electrode between current-limiting resistance R7, the drain electrode of described transistor T R6 connects load voltage V5.
5, gas-cooker power supply according to claim 1 and igniter control circuit, it is characterized in that, described igniter drive circuit (3) comprises transistor T R1, triode TR2, diode D1, relay R Y1, be connected the current-limiting resistance R3 between comparison control circuit (1) output and the described transistor T R1 grid, be connected the current-limiting resistance R5 between described transistor T R1 drain electrode and the described triode TR2 base stage and be connected current-limiting resistance R4 between described transistor T R1 drain electrode and the described transistor emitter, the grid of described transistor T R1 meets R3, source electrode meets the load voltage V5 of power driving circuit (2), drain electrode meets R4 and R5, the base stage of described triode TR2 meets R5, colelctor electrode meets diode D1 and relay R Y1, grounded emitter, described diode D1 and relay R Y1 are connected in parallel between power vd D and the triode TR2 colelctor electrode.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200919923U CN201177289Y (en) | 2008-01-31 | 2008-01-31 | Gas stove energy supply and ignition apparatus control circuit |
| US12/529,746 US8272376B2 (en) | 2007-12-21 | 2008-04-25 | Gas cooker control system |
| PCT/CN2008/070797 WO2009079931A1 (en) | 2007-12-21 | 2008-04-25 | Control system for a gas cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200919923U CN201177289Y (en) | 2008-01-31 | 2008-01-31 | Gas stove energy supply and ignition apparatus control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201177289Y true CN201177289Y (en) | 2009-01-07 |
Family
ID=40217307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200919923U Expired - Fee Related CN201177289Y (en) | 2007-12-21 | 2008-01-31 | Gas stove energy supply and ignition apparatus control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201177289Y (en) |
-
2008
- 2008-01-31 CN CNU2008200919923U patent/CN201177289Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090107 Termination date: 20170131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |