CN2326868Y - Automatic safety energy-saving gas range - Google Patents
Automatic safety energy-saving gas range Download PDFInfo
- Publication number
- CN2326868Y CN2326868Y CN 98205192 CN98205192U CN2326868Y CN 2326868 Y CN2326868 Y CN 2326868Y CN 98205192 CN98205192 CN 98205192 CN 98205192 U CN98205192 U CN 98205192U CN 2326868 Y CN2326868 Y CN 2326868Y
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- 230000003111 delayed effect Effects 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000007600 charging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The utility model relates to an automatic safety energy-saving gas range whose air inlet pipe is connected in series with an electromagnetic valve, a range frame is provided with a pressing disc ignition switch and a control circuit which is composed of the pressing disc ignition switch, turning-on and turning-off control circuits, an electromagnetic valve circuit, a delayed turning-off circuit, a high-voltage pulse generator, a flameout control circuit, an under-voltage detecting circuit, and an alarm circuit, wherein, the turning-on and turning-off contacts of the pressing disc ignition switch are connected with the input of the electromagnetic valve circuit, and the turning-on and turning-off contacts respectively pass through the turning-on and turning-off control circuits; the output of the turning-on control circuit is delivered to the high-voltage pulse generator via the delayed turning-off circuit, and the output of the high-voltage pulse generator is connected with an ignition needle; the output of the flameout control circuit is connected with the alarm circuit and is connected parallelly with the output of the turning-off control circuit; the output of the under-voltage detecting circuit is connected with the alarm circuit. The utility model has the advantages of automatic, safe and energy-saving functions.
Description
The utility model relates to a kind of gas-cooker, belongs to the kitchen range field.
Existing gas-cooker; generally include kitchen range frame, combustion head, air inlet pipe, ignition, burnt gas switch; it does not have extinguish protection function; the effect that does not also possess intermittently energy-conservation and magnetization energy-saving; can not satisfy growing actual instructions for use, developing a kind of novel gas kitchen range is the direction that this series products improves development.
In view of above-mentioned, the purpose of this utility model is exactly a kind of not only safety but also an energy-conservation automatic gas stove of design.
For achieving the above object, the utility model is by the following technical solutions:
A kind of automatic safe energy-saving gas cooker comprises kitchen range frame, combustion head, air inlet pipe, ignition, combustion gas and power switch, it is characterized in that: be connected in series magnetic valve in the described air inlet pipe pipeline; Press disc type ignition switch, undervoltage warning indicator lamp, control circuit are housed on the described kitchen range frame; Described control circuit by the press disc type ignition switch, connect control circuit, switch off control circuit, electromagnetic valve circuit, time delayed turn-off circuit, high-voltage pulse generator, flame-out control circuit, undervoltage detection circuit, warning circuit constitute, wherein: the press disc type ignition switch make contact and turn-off contact respectively through connect control circuit, switching off control circuit connects two inputs of electromagnetic valve circuit; Connect the output of control circuit and also deliver to high-voltage pulse generator through time delayed turn-off circuit, the output tipping of high-voltage pulse generator is at the other igniting pin of combustion head; The output circuit taking alarm of flame-out control circuit is simultaneously with the output that switches off control circuit and connect; The output of undervoltage detection circuit circuit taking alarm.
In implementing measure of the present utility model:
Described press disc type ignition switch is the dibit compressed spring type switch that places under the platen of kitchen range frame;
Described connection control circuit, switch off control circuit, time delayed turn-off circuit is switching signal and produces circuit;
Described electromagnetic valve circuit is made of two-way latching solenoid valve and forward and reverse control circuit, two inputs of forward and reverse control circuit respectively with connect control circuit, both output of switching off control circuit joins, electromagnetic valve coil is connected between two outputs of forward and reverse control circuit;
Described undervoltage detection circuit is made of supply voltage sample circuit and the series connection of first comparator;
Described flame-out control circuit is followed in series to form by thermocouple, second comparator, delay circuit, and thermocouple is contained in by the described combustion head, the making contact of the described press disc type ignition switch of a termination of thermocouple.
After opening combustion gas and power switch, cooker is placed on the stone or metal plate for standing a stove on as a precaution against fire, the press disc type ignition switch is promptly connected automatically, so magnetic valve connection, high-voltage pulse generator work, some cooking stove burning.If the gas-cooker accident is extinguished in unignited or the use, then extinguish control circuit and make the warning circuit action and close magnetic valve.When cooker was removed stone or metal plate for standing a stove on as a precaution against fire, the automatic disconnection of press disc type ignition switch was so magnetic valve is closed.If during power voltage insufficient, undervoltage detection circuit will make the warning circuit action.
The utility model has the advantages that:
Since the state of press disc type ignition switch whether place on the platen by cooker and decide, thereby have automatically, energy-conservation function intermittently;
2. because not combustion or can cut off source of the gas automatically when flame-out, and the double protection functions of undervoltage warning is arranged, so fool proof in the use;
3. because there is magnetization preferably in the magnetic field that magnetic valve produces to combustion gas,, reduced discharge of harmful gases, reduced environmental pollution so make that burning is more abundant;
4. because after end of operation closes combustion gas and power switch, control circuit will can not worked because of dead electricity again, so the not careless trouble of looking back that whether can connect ignition switch after not placing cooker on the platen;
5. realized " automatically igniting and air feed automatically simultaneously, accident is extinguished and died automatically synchronously " function of gas-cooker, used very safe and conveniently that even declining old man of year and inmature child, operating also can be handy.
Below in conjunction with drawings and Examples the utility model is elaborated.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 and Fig. 3 are respectively the block diagram and the schematic diagrams of control circuit.
See also Fig. 1.The utility model comprises kitchen range frame 12, be equipped with on it: magnetic valve 1, air inlet pipe 2, battery case 3, press disc type ignition switch 4, platen 5, combustion head 6, thermocouple 7, igniting pin 8, control circuit box 9, undervoltage warning indicator lamp 10, combustion gas and power switch 11, the dotted line among the figure is then represented lead.
Control circuit shown in Figure 2 is housed in the control circuit box 9, and it comprises press disc type ignition switch 4, connect control circuit 21, switch off control circuit 22, electromagnetic valve circuit 23, time delayed turn-off circuit 24, high-voltage pulse generator 25, flame-out control circuit 26, undervoltage detection circuit 27, warning circuit 28.Wherein: press disc type ignition switch 4 make contact and turn-off contact respectively through connect control circuit 21,22 two inputs that connect electromagnetic valve circuit 23 switch off control circuit; Connect the output of control circuit 21 and also deliver to high-voltage pulse generator 25, the output contact fire pin 8 of high-voltage pulse generator 25 through time delayed turn-off circuit 24; The output circuit 28 taking alarm of flame-out control circuit 26, simultaneously with switch off control circuit 22 output and connecing; The output of undervoltage detection circuit 27 circuit 28 taking alarm.
See also Fig. 3 again.K1 is press disc type ignition switch (being label among Fig. 1,2).Connect control circuit and be made of 555 o'clock base chip IC 1, IC2 respectively with switching off control circuit, they are switching signal and produce circuit.The fixed contact of K1 connects power supply ground, and K1 makes contact 1 and turn-off contact 2 meets IC1, IC2 respectively through capacitor C 2, C3 input pin 2.
Electromagnetic valve circuit is made of magnetic valve and forward and reverse control circuit, and 11 is electromagnetic valve coil, and the forward control circuit of magnetic valve is made of transistor N3, P2, N2 etc., and oppositely control circuit is made of transistor N1, P3, N4 etc.The output pin 3 of IC1 is connected to the N2 in the forward control circuit, the base stage of N3, when IC1 output positive pulse, and three transistor N3, P2, the equal conducting of N2, so flow through forward current in 11, magnetic valve is connected.The output pin 3 of IC2 is connected to the N1 in the reverse control circuit, the base stage of N4, and when IC2 output positive pulse, three transistor N1, P3, the equal conducting of N4 are so flow through reversing the current, closed electromagnetic valve among the I1.
Time delayed turn-off circuit is to produce circuit by 555 o'clock switching signals of constituting of base chip IC 3.
High-voltage pulse generator by transistor P1, input transformer T1, diode D10, D9, D6, IGCT S1, capacitor C 12, step-up transformer T2 routinely connection constitute the output contact of T2 fire pin 8.The output pin 3 of IC1 connects the input pin 2 of IC3, and the 3 pin output of IC3 is sent into high-voltage pulse generator after transistor N6 drives.
Undervoltage detection circuit is followed in series to form by supply voltage sample circuit R28-P4-R18, transistor N5, comparator U1:D, and sample point D is through the base stage of diode D7 access N5, and the colelctor electrode of N5 connects the in-phase input end of U1:D.
Warning circuit is made of indicator lamp L1 and L2, buzzer S2, the input of the output circuit taking alarm of U1:D.
Flame-out control circuit is followed in series to form by thermocouple B1 (being label among Fig. 1), comparator U1:B, delay circuit, the termination press disc type ignition switch K1 of thermocouple B1 makes contact 1, the inverting input of other termination U1:B, the delay circuit that the output termination of U1:B is made of resistance R 26, capacitor C 10, comparator U1:A, the output of U1:A is except the input of circuit taking alarm, the output of IC2 and connecing also and in switching off control circuit simultaneously, D8 and D1 are respectively both isolating diodes.
The following describes the operation principle of circuit:
After opening the combustion gas and power switch 11 among Fig. 1, control circuit work.When being placed on cooker on the platen 5, platen 5 is depressed and touches press disc type ignition switch K1, makes it be connected on on-position 1, so the input pin 2 of IC1 obtains a negative pulse, and its capacitor C 8 discharges, 3 pin are exported a positive pulse.This positive pulse is connected magnetic valve 1 by the forward control circuit on the one hand, delivers to IC3 on the other hand.When the trailing edge of this pulse arrived, the input pin 2 of IC3 obtained a negative pulse, and its capacitor C 9 discharges are output as positive pulse.This positive pulse makes high-voltage pulse generator work after N6 drives, by 8 cooking stove burnings of igniting pin.After a period of time, C9 charges to high voltage, and output switching activity becomes low level, and igniting stops.
During press disc type ignition switch K1 is in on-position 1, the utmost point ground connection of thermocouple B1, make the inverting input of comparator U1:B that the input of one thermoelectrical potential be arranged, when this thermoelectrical potential sets value less than in-phase input end, comparator U1:B is output as high level, this high level is to 10 chargings of the capacitor C in the delay circuit, and between charge period, comparator U1:A is output as low level.If the thermocouple electromotive force rises to the time of the time of setting value less than time-delay, then comparator U1:B output switching activity becomes low level, and comparator U1:A output is not overturn.If delay time to and gas-cooker is unignited or gas-cooker is unexpected when extinguishing, the electromotive force of thermocouple rise time must be greater than setting value, so comparator U1:A output switching activity is a high level, and magnetic valve is turn-offed immediately, make red luminotron L1 and buzzer S2 action by warning circuit simultaneously.
When cooker was removed platen, press disc type ignition switch K1 was connected on scram position 2 under its spring action, so the input pin 2 of IC2 obtains a negative pulse, and its capacitor C 7 discharges, 3 pin output positive pulse.This positive pulse is turn-offed magnetic valve 1 by reverse control circuit.
If power voltage insufficient, then the current potential of sample point D will be lower than the conducting voltage sum of diode D7 and transistor N5 among the sample circuit R28-P4-R18, so transistor N5 ends, the in-phase input end of comparator U1:D is a high level, make and be output as high level, green luminotron L2 lights, and buzzer sends the sound simultaneously.
Claims (2)
1. an automatic safe energy-saving gas cooker comprises kitchen range frame, combustion head, air inlet pipe, ignition, combustion gas and power switch, it is characterized in that:
Be connected in series magnetic valve in the described air inlet pipe pipeline;
Press disc type ignition switch, undervoltage warning indicator lamp, control circuit are housed on the described kitchen range frame;
Described control circuit by the press disc type ignition switch, connect control circuit, switch off control circuit, electromagnetic valve circuit, time delayed turn-off circuit, high-voltage pulse generator, flame-out control circuit, undervoltage detection circuit, warning circuit constitute, wherein:
The press disc type ignition switch make contact and turn-off contact respectively through connect control circuit, switching off control circuit connects two inputs of electromagnetic valve circuit;
Connect the output of control circuit and also deliver to high-voltage pulse generator through time delayed turn-off circuit, the output tipping of high-voltage pulse generator is at the other igniting pin of combustion head;
The output circuit taking alarm of flame-out control circuit is simultaneously with the output that switches off control circuit and connect;
The output of undervoltage detection circuit circuit taking alarm.
2. automatic safe energy-saving gas cooker as claimed in claim 1 is characterized in that:
Described press disc type ignition switch is the dibit compressed spring type switch that places under the platen of kitchen range frame, and its fixed contact connects power supply ground;
Described connection control circuit, switch off control circuit, time delayed turn-off circuit is switching signal and produces circuit;
Described electromagnetic valve circuit is made of two-way latching solenoid valve and forward and reverse control circuit, two inputs of forward and reverse control circuit respectively with connect control circuit, both output of switching off control circuit joins, electromagnetic valve coil is connected between two outputs of forward and reverse control circuit;
Described undervoltage detection circuit is made of supply voltage sample circuit and the series connection of first comparator;
Described flame-out control circuit is followed in series to form by thermocouple, second comparator, delay circuit, and thermocouple is contained in by the described combustion head, the making contact of the described press disc type ignition switch of a termination of thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205192 CN2326868Y (en) | 1998-05-28 | 1998-05-28 | Automatic safety energy-saving gas range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205192 CN2326868Y (en) | 1998-05-28 | 1998-05-28 | Automatic safety energy-saving gas range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2326868Y true CN2326868Y (en) | 1999-06-30 |
Family
ID=33961636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98205192 Expired - Fee Related CN2326868Y (en) | 1998-05-28 | 1998-05-28 | Automatic safety energy-saving gas range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2326868Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500350B (en) * | 2008-01-30 | 2011-07-06 | 义隆电子股份有限公司 | Induction cooker control circuit and induction cooker using same |
| CN102269427A (en) * | 2010-06-03 | 2011-12-07 | 任柳洲 | Blindman stove |
| CN101802502B (en) * | 2007-07-17 | 2012-08-01 | 电气联合股份有限公司 | Burner ignition system and method of ignition |
| CN104482568A (en) * | 2014-11-21 | 2015-04-01 | 无锡悟莘科技有限公司 | Automatic ignition control system of gas stove |
| CN104896531A (en) * | 2015-06-09 | 2015-09-09 | 苏州和美电器科技有限公司 | Cabinet for intelligently-adjusted preheating recycling type gas stove |
| CN108224492A (en) * | 2018-04-11 | 2018-06-29 | 何志明 | More energy saving air mixture stoves of nozzle |
| CN108224471A (en) * | 2018-01-31 | 2018-06-29 | 佛山市云米电器科技有限公司 | The kitchen range of impulse controller and bidirectional current output with bidirectional current output |
-
1998
- 1998-05-28 CN CN 98205192 patent/CN2326868Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802502B (en) * | 2007-07-17 | 2012-08-01 | 电气联合股份有限公司 | Burner ignition system and method of ignition |
| CN101500350B (en) * | 2008-01-30 | 2011-07-06 | 义隆电子股份有限公司 | Induction cooker control circuit and induction cooker using same |
| CN102269427A (en) * | 2010-06-03 | 2011-12-07 | 任柳洲 | Blindman stove |
| CN104482568A (en) * | 2014-11-21 | 2015-04-01 | 无锡悟莘科技有限公司 | Automatic ignition control system of gas stove |
| CN104896531A (en) * | 2015-06-09 | 2015-09-09 | 苏州和美电器科技有限公司 | Cabinet for intelligently-adjusted preheating recycling type gas stove |
| CN108224471A (en) * | 2018-01-31 | 2018-06-29 | 佛山市云米电器科技有限公司 | The kitchen range of impulse controller and bidirectional current output with bidirectional current output |
| CN108224492A (en) * | 2018-04-11 | 2018-06-29 | 何志明 | More energy saving air mixture stoves of nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |