CN1225989A - Combustion apparatus - Google Patents
Combustion apparatus Download PDFInfo
- Publication number
- CN1225989A CN1225989A CN99102117A CN99102117A CN1225989A CN 1225989 A CN1225989 A CN 1225989A CN 99102117 A CN99102117 A CN 99102117A CN 99102117 A CN99102117 A CN 99102117A CN 1225989 A CN1225989 A CN 1225989A
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- China
- Prior art keywords
- voltage
- mentioned
- battery
- action
- circuit
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- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to provide a burner which gives an alarm to press the user for battery exchanger without fail, when the residual life of the battery becomes little. The burner is equipped with: an ignition means 26, battery voltage detecting circuits 41 and 48 which detect the voltage of a battery 13, a control circuit 14, and a working inhibition means 15, a voltage drop signal output circuit 16, which outputs voltage drop signals continuously to the control circuit 14, and the control circuit 14 checks the existence of the output of this voltage drop signal when the inhibition of the working by the working inhibition circuit 15 is lifted and it reopens the working, and it operates the alarming means 24 when this voltage drop signal is outputted.
Description
The present invention relates to a kind of burner, be specifically related to carry out as power supply the reporting of battery altering phase of the burner of work with battery.
In the past, had as you know with the burner of battery as power work.For example, in the gas furnace of battery as power supply, comprise by CPU etc. and constitute, the electronic unit of the control circuit of the fired state of control gas burner works as power supply with battery.In addition, the supply magnetic valve of fuel gas and the spark generator of lighting a fire on gas burner are also made power supply by battery and are worked.
In the CPU that constitutes control circuit, stipulated to guarantee the voltage (minimum safety action voltage, for example 1.8V) of regular event herein.If the minimum safety action voltage of the voltage ratio CPU of battery is also low, then there is CPU that the possibility that misoperation can not be controlled normal fired state takes place.
For this reason, generally, in electronic installation, be provided with the voltage detecting circuit of the voltage that detects battery.And being provided with the action inhibiting apparatus, it when the also higher action of setting than the minimum safety action voltage of CPU forbids that voltage (for example 1.9V) is following, forbids the action of CPU when the voltage of the detected battery of this voltage detecting circuit.By the effect of this inhibit circuit, CPU action during the state of the voltage that can prevent battery below minimum safety action voltage, and since the misoperation of CPU, the phenomenon that can not carry out the control of normal fired state.
But, if when cell voltage drops to above-mentioned action and forbids that voltage is following, forbid the action of CPU suddenly,, the cooking is interrupted because when not preparing battery, gas furnace can not use, therefore make the user feel very inconvenient.Thereby such gas furnace arranged as you know, when cell voltage drops to when forbidding that than above-mentioned action battery altering voltage (for example 2.0V) that the value of voltage sets also highly is following, CPU reports the user by the device for informing of lamp or buzzer etc. and supervises the replacing battery, and also some dump energy stage is carried out the replacing of battery at battery.
In with the gas furnace of battery as power supply, the igniter of aforesaid spark generator etc. also with battery as power work.And if make the action of the big spark generator of power consumption, then cell voltage can reduce significantly in moment sometimes.
Therefore,, make the spark generator action under the state that the fan-out capability of battery has reduced, the voltage of battery was dropped to below the above-mentioned battery altering voltage in moment if shorten in the service life of battery.In this case, the voltage that also has action at spark generator to stop the back battery returns to and surpasses above-mentioned battery altering voltage condition, but clearly the service life of battery not long.
Therefore, even for once drop to above-mentioned battery altering voltage when following, although after this cell voltage recovers, CPU still continues to urge and changes reporting of battery (being replaced until battery) when the voltage of battery.If adopt this method, can prevent then that in the cooking cell voltage drops to above-mentioned minimum safety action voltage when following, the out of use phenomenon of gas furnace.
But if make spark generator action under the state that has reduced the service life of battery, then the voltage of battery might drop to the above-mentioned action also lower than above-mentioned battery altering voltage and forbids below the voltage.In this case, thereby because the action of CPU is forbidden in the action of above-mentioned action inhibit circuit, so can not report the replacing battery by CPU.
And, after the action of spark generator stops, surpass above-mentioned action and forbid voltage (for example 1.9V) when the voltage of battery returns to, by above-mentioned action inhibit circuit forbid be disengaged, when above-mentioned control circuit begins to move once more, if the voltage of battery is below above-mentioned battery altering voltage (for example 2.0V), CPU can detect it and report.But,,, exist and can not report the shortcoming of changing battery with CPU although in fact be in the few state of battery life when the voltage of battery further returns to when surpassing above-mentioned battery altering voltage.
Purpose of the present invention is exactly in order to solve the aforesaid drawbacks, and provides a kind of and can urge the burner of reporting of changing battery reliably when battery life tails off.
To achieve these goals, burner of the present invention possesses: igniter, on combustion parts, light a fire as power supply with battery; Battery voltage detection circuit detects the voltage of this battery; Control circuit when controlling the action of above-mentioned combustion parts with above-mentioned battery as power supply, makes the device for informing action when following when the voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit drops to the 1st reference voltage; The action inhibit circuit, when voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit, also lower than above-mentioned the 1st reference voltage, drop to the 2nd above reference voltage of the minimum assurance voltage that is set at the regular event that guarantees above-mentioned control circuit when following, forbidden the action of above-mentioned control circuit; It is characterized in that: the voltage drop signal output circuit is set, when the voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit drops to above-mentioned the 2nd reference voltage when following, continue the signal that output voltage reduces to above-mentioned control circuit, when above-mentioned control circuit begins to move forbidding being disengaged based on the action of above-mentioned action inhibit circuit once more, confirm to have or not above-mentioned voltage drop signal, when this voltage drop signal is output, make above-mentioned device for informing action from above-mentioned voltage drop signal output circuit.
If adopt such the present invention, then when making above-mentioned igniter carry out action, from above-mentioned battery, take out behind the bigger electric power voltage of battery and drop to when also lower, forbid the action of above-mentioned control circuit with above-mentioned action inhibit circuit than above-mentioned the 2nd reference voltage.And if the action of above-mentioned control circuit is under an embargo, though then by the detected above-mentioned cell voltage of above-mentioned battery voltage detection circuit below above-mentioned the 1st reference voltage, above-mentioned device for informing also is failure to actuate.
But, in this case, above-mentioned control circuit is continued the above-mentioned voltage drop signal of output from above-mentioned voltage drop signal output circuit.Therefore, the action of above-mentioned igniter is stopped, when returning to, the voltage of above-mentioned battery surpasses above-mentioned the 2nd reference voltage, forbid being disengaged by the action that above-mentioned action inhibiting apparatus is carried out, when above-mentioned control circuit begins to move once more, confirm to have or not above-mentioned voltage drop signal by above-mentioned control circuit, just can confirm that the state that the voltage of above-mentioned battery drops to below above-mentioned the 2nd reference voltage produces from above-mentioned voltage drop signal output circuit.
And even in moment, when the voltage of above-mentioned battery became the following state of above-mentioned the 2nd reference voltage, the fan-out capability that reduces this battery service life that also can be judged as above-mentioned battery reduced.Therefore, above-mentioned control circuit when above-mentioned voltage drop signal is output, makes above-mentioned device for informing action when action begins once more.Thus, reduce the service life that can report user's battery exactly.
In addition, above-mentioned action inhibit circuit is characterised in that: drop to below above-mentioned the 2nd reference voltage at the voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit, and, when above-mentioned voltage drop signal output circuit is exported above-mentioned voltage drop signal, forbid the action of above-mentioned control circuit.
Above-mentioned voltage drop signal output circuit and above-mentioned action inhibit circuit are made of electronic circuit, but have the difference on the performance in the electronic component that constitutes actuating circuit.Therefore, when dropping to the 2nd reference voltage by the detected above-mentioned cell voltage of above-mentioned battery voltage detection circuit when following, the prohibited acts of above-mentioned control circuit being taked by above-mentioned action inhibit circuit, also more Zao than the action that begins to export above-mentioned voltage drop signal by above-mentioned voltage drop signal output circuit sometimes.And in this case, cell voltage rises because the action of above-mentioned control circuit stops, and the possibility that can not export above-mentioned voltage drop signal from above-mentioned voltage drop signal output circuit is arranged.
Therefore, in the present invention, above-mentioned action inhibit circuit only when above-mentioned voltage drop signal output circuit is exported above-mentioned voltage drop signal, is forbidden the action of above-mentioned control circuit.Thus, when having removed by above-mentioned action inhibit circuit,, change battery so can guarantee to report to urge because must be in the state that above-mentioned voltage drop signal is output to the forbidding of above-mentioned control circuit.
Fig. 1 is the pie graph of the gas furnace of form of implementation of the present invention.
Fig. 2 is the circuit diagram of the electronic unit that has in the gas furnace of Fig. 1.
One example of form of implementation of the present invention is described with reference to Fig. 1, Fig. 2.Fig. 1 is the pie graph as the gas furnace of burner of the present invention, and Fig. 2 is the circuit diagram that is provided in the electronic unit in the gas furnace shown in Figure 1.
With reference to Fig. 1, the gas furnace of this form of implementation possesses: gas burner 1, and heating is placed into the gratin B among the cooking utensil A; Safety valve 3, being set to gas burner provides on the fuel gas pipeline 2 of combustion gas; Add calorie adjusting device 4; Electronic unit 5 to the igniting of safety valve 3 energising and control gas burner 1 etc.; Operating means 6.
Safety valve 3, by the ignition operation (button operation) of user to igniting/flame-out button 7, when antagonistic spring 8 is mechanically opened valve, by from electronic unit 5 to coil 9 energising maintaining valve openings, by cutting off from electronic unit 5 to the energising of coil 9 elastic force effect shut off valve by spring 8.
Add calorie adjusting device 4 by constituting with the lower part: magnetic valve 10, be abutted against switching and come from the electric power switching of electronic unit 5; Bypass 12, its circuitous magnetic valve 10, the supply flow rate of fuel gas is also littler than main combustion gas road feeding pipe 11.If make magnetic valve 10 switch to closed condition from opening the valve state, because before this via in the main combustion gas road 11 of the downstream branch of safety valve 3 and the combustion gas that 12 liang of sides of bypass offer gas burner 1, only provide now, reduce so offer the quantity delivered of the combustion gas of gas burner 1 by bypass 12.Therefore, can reduce the heat that adds of gas burner 1.
In addition, if press down-firing/flameout switch 7, then microswitch 20 leaves (ON), and electronic unit 5 correspondingly begins action with open (ON) of this microswitch 20.
In addition, control circuit 14, detect gas burner 1 when flame-out at flame sensor 19, cut off energising closed safe valve 3, and report the user with buzzer 22 (being equivalent to device for informing of the present invention) and stop working to the coil 9 of safety valve 3 by the fired state that detects gas burner 1.
And then control circuit 14 reduces change the time at the voltage of battery 13, battery altering lamp 24 (being equivalent to device for informing of the present invention) is glimmered or lights, and reports the user and changes battery 13.
In addition, label 23 is the insulation indicator lamp in Fig. 1.
Below, with reference to Fig. 2, illustrate the battery 13 in the gas furnace of this example the stage of replacement report processing.
Fig. 2 is a circuit diagram of showing the major part of electronic unit 5 shown in Figure 1.The storage device that CPU30 possesses input/output port and not shown ROM, RAM etc. together constitutes control circuit.CPU30 uses delivery outlet P
1, P
2The output unlatching of carrying out safety valve 3 through transistor 31,32 keep and close, use delivery outlet P
9Output on ignitor 25, produce spark discharge through spark generator 26, use delivery outlet P
3, P
4Output through solenoid-driven IC33 switch electromagnetic valve 10.
At this, because the minimum safety action voltage of the CPU30 of this example is defined in 1.8V, if therefore the voltage of battery 13 drops to below the 1.8V, then CPU might misoperation.Therefore, CPU30 correspondingly should change reporting of battery 13 with the voltage of 1.9V (being equivalent to the 2nd reference voltage of the present invention), 2.0V (being equivalent to the 1st reference voltage of the present invention), these 3 stage monitoring batteries 13 of 2.2V (being equivalent to the 1st reference voltage of the present invention) with each voltage level.And then, the about 3V of voltage of the battery 13 when using beginning.
And the resistance value of resistance 36～39 is set to voltage at battery 13 and drops to 2.2V when following, and the output of comparator 35 is switched to high-impedance state from 0V, and the lead-out terminal of comparator 35 loads through resistance 40.Therefore, if the voltage of battery 13 reaches below the 2.2V, then the level to the input port of CPU P7 input just switches to logic high from 0V (logic low).
CPU30 is being input to input port P
7Incoming level become high level, and the voltage of confirming battery 13 drops to 2.2V when following, exports 0V off and on and makes battery altering lamp 24 glimmer (the 1st reports) from delivery outlet P5.By the flicker of this battery altering lamp 24, the user is confirmed to when should change battery 13.On battery altering lamp 24, be connected in series with electric current limiting resistance 63.
In addition, comparator 41 is that the voltage that detects battery 13 drops to below the 2.0V and uses.On the positive input terminal of comparator 41, voltage after input uses resistance 42,43 dividing potential drops by the burning voltage of the 1.5V of voltage-stablizer 34 generations is as reference voltage, on negative input end of comparator 41, the voltage (corresponding to the voltage change of battery 13) behind the output voltage of input usefulness resistance 44,45 dividing potential drop batteries 13 is voltage as a comparison.And then, constitute battery voltage detection circuit of the present invention by comparator 41 and resistance 42～45.
And the resistance value of resistance 42～45 is set to voltage at battery 13 and drops to 2.0V when following, and the output of comparator 41 is switched to high-impedance state from 0V, and the lead-out terminal of comparator 41 loads through resistance 46.Therefore, if the voltage of battery 13 drops to below the 2.0V, then the level to the input port of CPU P8 input just switches to logic high from 0V (logic low).
CPU30 is being input to input port P
8Incoming level become high level, and the voltage of confirming battery 13 dropped to 2.0V when following, exports 0V continuously and lights battery altering lamp 24 (the 2nd reports) from delivery outlet.By lighting of this battery altering lamp 24, just can make the user confirm to change battery 13 at once.
Therefore, if under the state that the residual life of battery 13 has reduced, make to consume the big parts action of electric power as spark generator 26 or magnetic valve 10, then the voltage of battery 13 might drop to below the 2.2V, perhaps further drops to below the 2.0V.In this case, the voltage of battery 13 returns to sometimes above 2.2V or 2.0V after reducing in the course of action of spark generator 26 or magnetic valve 10.
But when the voltage of battery 13 had reduced, the residual life of battery reduced, and it is self-explantory that the fan-out capability of battery 13 reduces.Therefore, CPU30 is by confirming that from the output of comparator 35 voltage of battery 13 has dropped to below the 2.2V, perhaps by confirming that from the output of comparator 41 voltage of battery 41 has dropped to 2.0V when following, no matter the output of after this comparator 35 or comparator 41 how, all continue to carry out the above-mentioned the 1st and report or the 2nd report.
That is, when the output of comparator 47 is 0V, become:
V
B1=(R
54·R
55)/{R
54·R
55+R
53(R
54+R
55)}
=R
54/(R
54+R
53+R
54/R
55)·1.5(V)
When the output of comparator 47 is high-impedance state, become:
V
B2=R
54/(R
53+R
54)·1.5(V) (＞V
B1)
(R
53～R
55Be respectively the resistance value of resistance 53～55)
On the other hand, on negative input end of comparator 47, the input output of resistance 51,52 dividing potential drops through the voltage detecting IC48 behind the buffer amplifier 50.Voltage detecting IC48 is that voltage at battery 13 drops to 1.9V when following, makes output switch to the device of 0V from high-impedance state.Because the lead-out terminal of voltage detecting IC48 is loaded in 1.5V by resistance 49, if therefore the voltage of battery 13 drops to 1.9V, then the input voltage to buffer amplifier 50 just switches to 1.5V from 0V, and the output voltage of buffer amplifier 50 also in correspondingly switch to 1.5V from 0V.
The resistance value of resistance 51～55 is configured to voltage when battery 13 and drops to 1.9V when following, that is, when the output of buffer amplifier 50 when 1.5V switches to 0V, the output of comparator 47 switches to high-impedance state from 0V.At this, as mentioned above, if the output of comparator 47 switches to high-impedance state from 0V, then to the input voltage of the positive input terminal of comparator 47 input from V
B1Rise to V
B2
The resistance value of resistance 55 is configured to, once drop to 1.9V when following at the voltage of battery 13, even the output that returns to above 1.9V buffer amplifier 50 of the voltage of battery 13 thereafter switches to 1.5V from 0V, also be no more than V to the input voltage of the negative input end input of comparator 47
B2
Therefore, once once dropped to below the 1.9V if detect the voltage of battery 13, the output that then constitutes the comparator 47 of voltage drop signal output device 16 becomes high-impedance state constantly.At this, if the output of comparator 47 becomes high-impedance state, then the input voltage to buffer amplifier 61 switches to R from 0V
53/ R
541.5V (R
53, R
54Be respectively the resistance value of resistance 53,54), the output of the buffer amplifier 61 that loads by resistance 62 switches to logic high from 0V.Thus, at the input port of CPU30 P
0On, continue output logic high level signal (being equivalent to voltage drop signal of the present invention).
When microswitch 20 is placed in disconnection (OFF), when cutting off the power supply to voltage drop signal output circuit 16, remove from the lasting output of voltage drop signal output device 16 to the voltage drop signal of CPU30.
In addition, AND element 57 and voltage detecting IC48, inversion element 56,58, resistance 59 and capacitor 60 together constitute action inhibit circuit 15.The voltage that detects battery 13 as voltage detecting IC48 has dropped to below the 1.9V, and the output of voltage detecting IC48 switches to logic high from the output of inversion element 56 from 0V when high-impedance state switches to 0V.
And this moment, as mentioned above, because the output of buffer amplifier 61 is logic highs, the therefore voltage of input logic high level simultaneously on 2 input terminals of AND element 57.Therefore, become logic high from the output of AND element 57, from inversion element 58 output logic low level signals (reset signal).
That is, when the voltage of battery 13 drops to 1.9V when following, from the level of action inhibit circuit 15 to the reseting terminal output of CPU30, switch to logic low from logic high, the action of CPU30 and the control circuit 14 that is made of CPU30 is under an embargo.
When the action of CPU30 is under an embargo, because from the delivery outlet P of CPU30
1, P
2, P
3～P
6, and P
9Output become logic high, so transistor 31,32 is placed in disconnection (OFF), thereby cut off power supply to coil 9, safety valve shown in Figure 13 is turned off, gas burner 1 shown in Figure 1 is flame-out.Because the action of CPU30 is under an embargo, so can prevent the misoperation of CPU30.
Then, when for example making spark generator 26 actions under battery 13 drops near near the state the 2.2V, the voltage instantaneous that might produce battery 13 drops to the following state of 1.9V.In this case, as mentioned above, from voltage drop signal output device 16 in the voltage drop signal of the input port of CPU30 P0 output logic high level, to the low level reset signal of reseting terminal output logic of CPU30, the action of CPU is under an embargo from action inhibit circuit 15.
In this case, after igniting action stops, if when the voltage of battery 13 returns to level above 1.9V, owing to switch to logic low from logic high from the output of action inhibit circuit 15, therefore the action of CPU30 is forbidden being disengaged, and CPU30 begins action once more.On the other hand, from voltage drop signal output circuit 16 to the input port of CPU30 P
0Continue output voltage as mentioned above and reduce signal.
Therefore, when CPU30 begins to move once more, by confirming at input port P
0On whether have from the voltage drop signal of voltage drop signal output device 16 input, just can confirm move begin once more before the voltage of battery 13 whether drop to below the 1.9V.Then, when voltage drop signal was transfused to, because the residual life of hypothesis battery 13 is few, so CPU30 rang buzzer 22 when battery altering lamp 24 is lighted, makes every effort to promote the user and changes battery 13.
Thus, when the action of CPU30 began once more, even the voltage of battery 13 further returns to above 2.2V from 1.9V, the above-mentioned the 1st reported and the 2nd reports and be under inoperable state, also can be guaranteed to supervise by CPU30 and change reporting of battery 13.
In this example, be on action inhibit circuit 15, AND element 52 to be set, after voltage drop signal output circuit 16 has been exported voltage drop signal really, export reset signal from action inhibit circuit 15 to CPU30, but work as output timing from the voltage drop signal of voltage drop signal output circuit 16, when not going wrong with output deviation regularly from the reset signal of action inhibit circuit 15, can not use AND element 57, and the output of inversion element 56 is directly inputted in the inversion element 58.
In addition, in this example, the signal that has dropped to below 2.2V and the 2.0V owing to the voltage that detects battery 13 uses comparator 35 and 41, but also can use the voltage detecting IC identical with voltage detecting IC48 to detect.
In addition, in this example, be that example has illustrated burner, but, perhaps also can be suitable for the present invention with the burner that kerosene acts as a fuel for other such combustion gas tools of gas instantaneous water heater with the gas furnace.
Claims (2)
1. a burner possesses
Igniter is lighted a fire on combustion parts as power supply with battery;
Battery voltage detection circuit detects the voltage of this battery;
Control circuit when controlling the action of above-mentioned combustion parts with above-mentioned battery as power supply, makes the device for informing action when following when the voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit drops to the 1st reference voltage;
The action inhibit circuit, when also low by above-mentioned the 1st reference voltage of the voltage ratio of the detected above-mentioned battery of above-mentioned battery voltage detection circuit, and when the 2nd reference voltage more than dropping to the minimum safety action voltage that is set at the regular event that guarantees above-mentioned control circuit is following, forbid the action of above-mentioned control circuit;
It is characterized in that:
The voltage drop signal output circuit is set,, continues to reduce signal to above-mentioned control circuit output voltage when the voltage by the detected above-mentioned battery of above-mentioned battery voltage detection circuit drops to above-mentioned the 2nd reference voltage when following;
Above-mentioned control circuit, when beginning to move once more forbidding based on the action of above-mentioned action inhibit circuit removing the back, confirm to have or not output, when this voltage drop signal is output, make above-mentioned device for informing action from the above-mentioned voltage drop signal of above-mentioned voltage drop signal output circuit.
2. burner as claimed in claim 1, it is characterized in that: above-mentioned action inhibit circuit, in that detected above-mentioned cell voltage drops to below above-mentioned the 2nd reference voltage by above-mentioned battery voltage detection circuit, and, when above-mentioned voltage drop signal output circuit is exported above-mentioned voltage drop signal, forbid the action of above-mentioned control circuit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03001498A JP3588245B2 (en) | 1998-02-12 | 1998-02-12 | Combustion equipment |
| JP30014/1998 | 1998-02-12 | ||
| JP30014/98 | 1998-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1225989A true CN1225989A (en) | 1999-08-18 |
| CN1195955C CN1195955C (en) | 2005-04-06 |
Family
ID=12292014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991021177A Expired - Fee Related CN1195955C (en) | 1998-02-12 | 1999-02-11 | Combustion apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3588245B2 (en) |
| KR (1) | KR100307152B1 (en) |
| CN (1) | CN1195955C (en) |
| TW (1) | TW389823B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9534782B2 (en) | 2014-10-30 | 2017-01-03 | Falcon Road Maintenance Equipment | Burner unit having a low voltage sensor |
| JP6362553B2 (en) * | 2015-02-16 | 2018-07-25 | リンナイ株式会社 | Combustion device |
| JP2017009228A (en) * | 2015-06-24 | 2017-01-12 | 株式会社ノーリツ | Apparatus applying battery as power source, and gas cooking stove applying battery as power source |
| JP6641760B2 (en) * | 2015-07-28 | 2020-02-05 | 株式会社ノーリツ | Battery-powered equipment and battery-powered gas stove |
| KR102347831B1 (en) * | 2020-05-29 | 2022-01-06 | 린나이코리아 주식회사 | Igniter driving power controller for gas appliance |
-
1998
- 1998-02-12 JP JP03001498A patent/JP3588245B2/en not_active Expired - Fee Related
-
1999
- 1999-01-22 TW TW088101034A patent/TW389823B/en not_active IP Right Cessation
- 1999-02-11 CN CNB991021177A patent/CN1195955C/en not_active Expired - Fee Related
- 1999-02-12 KR KR1019990004921A patent/KR100307152B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW389823B (en) | 2000-05-11 |
| KR19990072608A (en) | 1999-09-27 |
| KR100307152B1 (en) | 2001-09-13 |
| CN1195955C (en) | 2005-04-06 |
| JPH11230546A (en) | 1999-08-27 |
| JP3588245B2 (en) | 2004-11-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050406 Termination date: 20180211 |