CN101387413A - Gas automatic protection apparatus and auto/semi-automatic cooking device - Google Patents
Gas automatic protection apparatus and auto/semi-automatic cooking device Download PDFInfo
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- CN101387413A CN101387413A CNA2007103075194A CN200710307519A CN101387413A CN 101387413 A CN101387413 A CN 101387413A CN A2007103075194 A CNA2007103075194 A CN A2007103075194A CN 200710307519 A CN200710307519 A CN 200710307519A CN 101387413 A CN101387413 A CN 101387413A
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Abstract
The invention discloses an automatic fuel gas protection device for monitoring the flame state of a burner, which comprises a detection component arranged in flame distribution space of the burner, a fire control module used to receive and process signals from the detection component and sends instructions to a fuel gas regulating component, and the fuel gas regulating component controlled by the fire control module, wherein the detection component comprises two or more than two detection probes which are arranged in the flame distribution space of the burner at intervals, and the fuel gas regulating component at least comprises a fire regulating valve arranged below the burner and a fuel gas switch valve arranged on a fuel gas channel or at a fuel gas source. The device adopts a double or multiple blocking mechanism, which greatly promotes the safety performance of the device, and effectively reduces the probability of the failure of safety protection measures caused by unexpected situations such as equipment failure, instrument fatigue, magnetic decline, sudden power cut of power supply equipment and so on.
Description
Technical field
The present invention relates to a kind of gas automatic protection apparatus and the automatic/semi-automatic cooking device or the cooking device system of this device be housed, be specifically related to a kind of be used for automatically or on the semi-automatic cooking device, prevent that because of with the fire cooking time accidents such as generation non-normal flameout or gas leakage from causing the gas automatic protection apparatus of security incident and the automatic/semi-automatic cooking device or the cooking device system of this device are housed.
Background technology
Combustion gas is a kind of very general energy, but owing to there are some unsafe factors, brings puzzlement usually for people's life, even wasting disaster.But people are cagily using this dangerous energy that is suitable for usually, have found out numerous way on its safety precautions.Developed at present automatically or semi-automatic cooking device, wherein the gas safe during unmanned is taken precautions against problem, also is that people need research and solve.
Thereby its security is emphasized in the design of existing flame inducing probes very much, that is: existing probe design, and ionic flame probe etc. for example in the time of only may having fire and judge by accident to there not being the situation of fire, and can not occur not having the situation that fiery mistiming is not judged to fire.
A kind of household gas range double end flame inductive needle flame-out protection device that Chinese patent 03223578.X is announced, employing be the flame ion induction mode.Utilize the charging property of flame, the forming circuit loop sends signal to control circuit, and the effect gas valve is kept open-minded.Work as fray-out of flame, charging property disappears, the then loop automatic disconnection of signal circuit, and the gas valve control circuit is not kept signal gas valve is closed automatically because of receiving out valve.
Above-mentioned patent has been mentioned and can adopt two or more flame inductive needles on a burner; and when one of them flame inductive needle sensing during less than flare up fire; just close the combustion gas raft of this burner, thereby can further improve the security of its flame-out protection device.But still there is a kind of potential safety hazard in this combustion gas protective device, that is: this combustion gas protective device has only cut out the fuel gas path that leads to burner, and does not close source of the gas; Simultaneously, this combustion gas protective device has a fatal defective, that is: when flame by wind partially or a certain flame inductive needle when breaking down, this protective device with regard to quick closedown original normal burner.This situation still can be stood for the normal domestic use gas kitchen ranges; but for automatic-cooking utensil, especially automatic dish cooking machine; just influence greatly; because cook the set parameter of software at the initiation material state, this means because of the maloperation of combustion gas protective device and have to still fall the raw material of having been cooked.
Therefore, be necessary to provide a kind of not only had high security, but also combustion gas protective device with high reliability, this protective device especially will be applicable to automatic cooking machine, particularly is applicable to automatic dish cooking machine.
Summary of the invention
One of purpose of the present invention is to provide a kind of not only had high security, but also combustion gas protective device with high reliability.
Another object of the present invention provides a kind of automatic/semi-automatic cooking device or system that above-mentioned gas automatic protection apparatus is housed.
In order to realize the purpose of the invention described above; on the one hand; the invention provides a kind of gas automatic protection apparatus; this gas automatic protection apparatus can be used to monitor the flame status of single burner, and it comprises that detection part, reception and processing in the flame distribution space that is arranged on this burner is from the signal of this detection part and regulate parts to combustion gas and send the firepower control module of instruction and regulate parts for this combustion gas of the output order control of firepower control module.Wherein, detection part comprises the two or more detector probe in the flame distribution space that is disposed on this burner, combustion gas is regulated parts and is comprised that at least one is positioned at flame regulating valve under this burner and one and is positioned on the blast tube or the switch valve at gas source place, i.e. the burnt gas switch valve.
In gas automatic protection apparatus of the present invention, flame regulating valve and burnt gas switch valve can be magnetic valve, motor-driven valve, pneumatic operated valve or hydraulic operated valve; Preferably, flame regulating valve is electrical ball valve, electronic cone valve etc., and the burnt gas switch valve is a magnetic valve.Comprise in the firepower control module and be used to handle the circuit of detection signal and be used to control the control control circuit that parts are regulated in combustion gas.Wherein, in normal gastronomical process, flame regulating valve can be subjected to the control of firepower control module and change its aperture, thereby changes the intensity of fire of this burner.And when detecting less than flame, flame regulating valve and burnt gas switch valve are closed simultaneously, but flame regulating valve and burnt gas switch valve itself are independent operation separately.
In gas automatic protection apparatus of the present invention, owing to comprise a flame regulating valve and a burnt gas switch valve at least, when detecting less than flame, that closes is not only flame regulating valve, also has the burnt gas switch valve, thereby can improve security greatly.In existing gas automatic protection apparatus, that can be controlled automatically has only flame regulating valve, and flame regulating valve under many circumstances, and especially under the situation of outage suddenly, fuel gas flow can't thoroughly break.And among the present invention, the burnt gas switch valve can be a magnetic valve, even under the situation of outage suddenly, it still can close blast tube.
In gas automatic protection apparatus of the present invention, detector probe can be selected flame ion probe, thermocouple probe, infrared sensor etc., but different detector probe mechanism of action differences, functional characteristics is also inequality.For example, the flame ion probe to response time of flame less than 1 second, then response has certain hysteresis to flame for thermocouple probe, infrared sensor, infrared sensor hysteresis 3-5 second wherein, thermocouple probe hysteresis 5-7 second.Preferably, in the two or more detector probe on being connected to a firepower control module, have a flame ion probe at least, more preferably have two flame ion probes at least.
Preferably, in gas automatic protection apparatus of the present invention, two or more detector probe are to link to each other with the firepower control module in parallel.Selection connects with parallel way and is based on following consideration: along with use, the blocked situation of individual nozzles is often arranged in a plurality of nozzles of burner, at this moment being positioned near the detector probe of this plug nozzle just detects less than flame, and in fact whole burner is in normal combustion, perhaps flame temporarily departs from (as the influence of wind) and makes near the detector probe it detect less than flame, at this moment sort signal is insecure, makes action in view of the above and also will bring very adverse influence.If a plurality of detector probe are set, and they are connected in parallel on the firepower control module, and comprehensive these detected a plurality of signals of firepower control module and make action have just improved the reliability of gas automatic protection apparatus greatly.
For example, have only when all detector probe in parallel all detect less than flame, the side is assert does not have flame, and takes next step closing motion.Certainly, if all detector probe belong to same kind at this moment, identical delay process can be set in the firepower control module; If detector probe does not belong to same kind, in the firepower control module, different delay process will be set, because its flame response time difference of different types of detector probe.
In order further to improve reliability, above-mentioned two or more detector probe preferably are provided with in equally spaced mode in the flame distribution space of burner.
Certainly; in the gas automatic protection apparatus of the invention described above; the firepower control module that can comprise two or more than two, and two or more detector probe can be in parallel respectively with above-mentioned two or more than two firepower control module at least one link to each other.
Selectively; gas automatic protection apparatus of the present invention can comprise the detector probe of two separate runnings, the firepower control module of two separate runnings; and the combustion gas adjusting parts of the separate running of two covers, it all is to concern one to one that controller is regulated being connected between the parts with detector probe, combustion gas.
In the above-mentioned gas automatic protection apparatus, the switch valve that combustion gas is regulated in the parts can adopt blocking ways such as solid shutoff, liquid shutoff.The solid shutoff can be used machinery, mechano-electronic or other shutoff modes, makes the combustion gas output channel be obstructed, and specifically can use as devices such as switch, valve, pistons.The liquid shutoff adopts chemical property stable, is difficult for reacting also not compatible with combustion gas liquid with combustion gas.
In the gas automatic protection apparatus of the present invention, the independent fully each other running of flame regulating valve and burnt gas switch valve, its operation form can be identical, also can be different.But preferably adopt different operation forms.More preferably, the operating mechanism that different operation form adopted also is different.So-called operation form promptly refers to shape, composition, the structure of this device, and the combination of operation etc., and so-called operating mechanism promptly refer to operating mode based on operation principle.For example, when adopting direct-acting electromagnetic valve as the burnt gas switch valve, its operation form is: during energising, solenoid produces electromagnetic force mentions closure member from valve seat, valve open, combustion gas output; During outage, electromagnetic force disappears, and spring force is pressed in closure member on the valve seat, and valve closing is promptly blocked combustion gas output.The operating mechanism of this device is based on the principle that hot-wire coil produces magnetic field.
On the other hand, the invention provides a kind of so gas automatic protection apparatus, be used to monitor the flame status of two or more burners, in the flame distribution space of these two or more burners, be provided with two or more detection parts; These two or more detection parts are connected with the firepower control module; This firepower control module is connected to be used for receiving and handling from the signal of above-mentioned two or more detection parts and to two or more combustion gas adjusting parts and sends instruction; This firepower control module output order is controlled two above-mentioned covers or parts are regulated in the above combustion gas of two covers; Wherein, each detection part comprises the two or more detector probe that are disposed in the flame distribution space, and every suit combustion gas is regulated parts and comprised that at least one is positioned at flame regulating valve under the burner and the burnt gas switch valve on blast tube that is positioned at this burner.
For example, in above-mentioned gas automatic protection apparatus, each burner can correspondingly be provided with a detection part, firepower control module and a cover combustion gas and regulate parts, and each detection part comprises the two or more detector probe that are disposed in the flame distribution space; Wherein, in the partial combustion device, its corresponding two or more detector probe are to be connected with corresponding firepower control module in parallel at least.In such cases, the firepower control module has two or more than two.
In addition, in above-mentioned gas automatic protection apparatus, a detection part can correspondingly be set each burner and parts are regulated in a cover combustion gas, each detection part comprises the two or more detector probe that are disposed in the flame distribution space, each burner can be shared one or a fast above firepower control module; Wherein, in the partial combustion device, its corresponding two or more detector probe are to be connected with corresponding firepower control module in parallel at least.
In above-mentioned gas automatic protection apparatus, gas automatic protection apparatus may further include the master switch valve that is positioned at the gas source place.This master switch valve is generally by PC control, or control by the general control system of cooking device, but the control circuit of control master switch valve also can be set, especially under the situation of the shared firepower control module of each burner in the firepower control module.
Preferably, two or more detector probe of each burner uniformly-spaced are provided with in its corresponding flame distribution space.
On the one hand, the invention provides a kind of automatic/semi-automatic cooking device again, this cooking device comprises one or more burner, and this cooking device dress further is provided with aforesaid gas automatic protection apparatus.。
Above-mentioned automatic/semi-automatic cooking device or cooking device system can further include charging device.
Above-mentioned automatic/semi-automatic cooking device or cooking device system can further include the material turning device, for example cooking pot moving device and/or stir instrument etc.
The invention has the beneficial effects as follows: on the one hand; because each burner all is provided with a flame regulating valve and a burnt gas switch valve; when detecting less than flame; that closes is not only flame regulating valve; also has the burnt gas switch valve; thereby can improve security greatly; effectively reduce because of fortuitous events such as the strain of equipment fault, apparatus, magnetic force decline, power supply unit outages suddenly, and each prior art self the probability of the safety precautions inefficacy that causes of reasons such as intrinsic defective or limitation.On the other hand, a plurality of detector probe are connected in parallel on the firepower control module, and comprehensive these detected a plurality of signals of firepower control module and make action have improved the reliability of gas automatic protection apparatus greatly.
The present invention is described further below in conjunction with the drawings and specific embodiments, but the present invention is not limited to these embodiment, any on essence spirit of the present invention improvement or substitute, still belong to scope required for protection in claims of the present invention.
Description of drawings
Fig. 1 is the schematic diagram of the fuel safety protecting device of the embodiment of the invention 1.
Fig. 2 is the schematic diagram of the fuel safety protecting device of the embodiment of the invention 2.
Fig. 3 is the schematic diagram of the fuel safety protecting device of the embodiment of the invention 3.
Fig. 4 is the schematic diagram of the fuel safety protecting device of the embodiment of the invention 4.
The specific embodiment
Embodiment 1
Shown in Figure 1 is the structural representation of an embodiment of combustion gas protective device of the present invention.This embodiment has a firepower control module 310, comprise circuit board 311 and control card 312, wherein, circuit board 311 mainly comprises pulse generating module, comparison module, relay and signal output module, control card 312 mainly comprises microprocessor, motor drive module and driving relay, and the signal output part of circuit board 311 is connected with microprocessor in the control card 312; Two ionic flame probes 101,103 are independent detection separately, and is connected on the firepower control module 310, and flame regulating valve 501 directly links to each other with firepower control module 310, and burnt gas switch valve 502 is connected with flame regulating valve 501.
This embodiment has improved the security and the reliability of fuel safety protecting device.
Embodiment 2
Shown in Figure 2 is the structural representation of another embodiment of combustion gas protective device of the present invention.It is in parallel with ion probe 101,103 to have increased a thermocouple probe 102 on the basis of embodiment 1, and 120 degree are disposed on the position that burner contacts with flame between three probes.When ion probe 102,103 and thermocouple probe 102 all detected less than flame, circuit board 311 just can be exported the level of expression accident extinguishing and give control card 312, and control card 312 connects firepower mediation valve 501 and burnt gas switch valve 503 simultaneously, controls its running.This embodiment has strengthened the security and the reliability of fuel safety protecting device.
Embodiment 3
Shown in Figure 3 is the structural representation of another embodiment of combustion gas protective device of the present invention.Be set up in parallel two firepower control modules 310 and 320 in this embodiment, ion probe 101,103 is in parallel and all be connected with two firepower control modules, and its signal transfers in two firepower control modules and handles.These two firepower control modules receive the signal of two probes respectively and handle separately, are used further to control the break-make of flame regulating valve 501 and burnt gas switch valve 502 after the signal processing results of two firepower control modules gathers.
Embodiment 4
Fig. 4 is the structural representation of another embodiment of combustion gas protective device of the present invention.Be set up in parallel three firepower control modules 310,320 and 330 among this embodiment, its operation form is separate, two ion probes 101 and 103,111 and 113,121 and 123 are connected in parallel respectively, receive the signal of two ion probes separately and, control its flame regulating valve and burnt gas switch valve 501 and 502,511 and 512,521 and 522 respectively through handling.In addition, one main valve also is set, has strengthened the security and the reliability of this device at the source of the gas place.
Embodiment 5
The 5th embodiment of the present invention is automatic/semi-automatic cooking device or the cooking device system that above-mentioned gas automatic protection apparatus is housed.This automatic/semi-automatic cooking device or cooking device system include cooking-vessel and gas-operated thermal bath facility.Gas-operated thermal bath facility is equipped with any one safety guard among the embodiment 1-5.
Claims (10)
1; a kind of gas automatic protection apparatus; be used to monitor the flame status of burner; comprise the detection part in the flame distribution space that is arranged on described burner; receive and handle from the signal of described detection part and to combustion gas adjusting parts and send the firepower control module of instruction; and regulated parts by the described combustion gas that described firepower control module is controlled; it is characterized in that; described detection part comprises the two or more detector probe in the flame distribution space that is disposed on described burner, and described combustion gas is regulated parts and comprised that at least one is positioned at flame regulating valve under the described burner and one and is positioned on the described blast tube or the burnt gas switch valve at gas source place.
2, gas automatic protection apparatus as claimed in claim 1 is characterized in that, described two or more detector probe link to each other with described firepower control module in parallel.
3, gas automatic protection apparatus as claimed in claim 1; it is characterized in that; described gas automatic protection apparatus comprises two or more than two firepower control module; wherein, at least one in described two or more detector probe and described two or more than two firepower control module is connected in parallel.
As the described gas automatic protection apparatus of one of claim 1-3, it is characterized in that 4, described two or more detector probe uniformly-spaced are provided with in the flame distribution space of described burner.
5, a kind of gas automatic protection apparatus is used to monitor the flame status of two or more burners, it is characterized in that, in the flame distribution space of described two or more burners, two or more detection parts is set; Described two or more detection part is connected with the firepower control module; Described firepower control module is used for receiving and handling from the signal of described two or more detection parts and to two covers or the combustion gas adjusting parts more than two covers sends instruction; Described firepower control module output order is controlled described two or more combustion gas and is regulated parts; Wherein, each described detection part comprises the two or more detector probe that are disposed in the flame distribution space, and the described combustion gas of every suit is regulated parts and comprised that at least one is positioned at flame regulating valve under the described burner and the burnt gas switch valve on blast tube that is positioned at this burner.
6, gas automatic protection apparatus as claimed in claim 5 is characterized in that, is connected with described firepower control module in parallel to described two or more detector probe of small part.
7, gas automatic protection apparatus as claimed in claim 5 is characterized in that, described gas automatic protection apparatus further comprises the master switch valve that is positioned at the gas source place.
As the described gas automatic protection apparatus of one of claim 5-7, it is characterized in that 8, described two or more detector probe uniformly-spaced are provided with in the flame distribution space of corresponding each described burner.
9, a kind of automatic/semi-automatic cooking device, this cooking device comprises a burner, it is characterized in that, described cooking device dress further is provided with as the described gas automatic protection apparatus of one of claim 1～4.
10, a kind of automatic/semi-automatic cooking device, this cooking device comprises two or more burners, it is characterized in that, described cooking device dress further is provided with as the described gas automatic protection apparatus of one of claim 5～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103075194A CN101387413B (en) | 2007-09-10 | 2007-12-27 | Gas automatic protection apparatus and auto/semi-automatic cooking device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710030151 | 2007-09-10 | ||
| CN200710030151.1 | 2007-09-10 | ||
| CN2007103075194A CN101387413B (en) | 2007-09-10 | 2007-12-27 | Gas automatic protection apparatus and auto/semi-automatic cooking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101387413A true CN101387413A (en) | 2009-03-18 |
| CN101387413B CN101387413B (en) | 2012-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103075194A Expired - Fee Related CN101387413B (en) | 2007-09-10 | 2007-12-27 | Gas automatic protection apparatus and auto/semi-automatic cooking device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101387413B (en) |
| HK (1) | HK1128753A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296188A (en) * | 2014-11-03 | 2015-01-21 | 昆山富凌能源利用有限公司 | Induction energy-saving gas stove |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184858Y (en) * | 1994-04-04 | 1994-12-07 | 史效忠 | Automatically stop burning gas leakage controller of gas burning range flame-out |
| CN2212723Y (en) * | 1994-09-15 | 1995-11-15 | 吴正光 | Fast safety protector for multi-head gas set |
| JP2001090952A (en) * | 1999-09-22 | 2001-04-03 | Osaka Gas Co Ltd | Gas cooking stove |
| CN2605497Y (en) * | 2003-02-14 | 2004-03-03 | 中山华帝燃具股份有限公司 | Dual-head flame inductive needle flame-out protection device |
| CN2735198Y (en) * | 2004-09-03 | 2005-10-19 | 中山华帝燃具股份有限公司 | Wireless controlled smoke exhaust ventilator and gas kitchen range integrated structure |
-
2007
- 2007-12-27 CN CN2007103075194A patent/CN101387413B/en not_active Expired - Fee Related
-
2009
- 2009-09-11 HK HK09108381.1A patent/HK1128753A1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296188A (en) * | 2014-11-03 | 2015-01-21 | 昆山富凌能源利用有限公司 | Induction energy-saving gas stove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101387413B (en) | 2012-08-15 |
| HK1128753A1 (en) | 2009-11-06 |
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Effective date of registration: 20151019 Address after: 518000, Guangdong, Shenzhen province Nanshan District Xian Xian Road, 1 industrial complex, No. 4-5, building 1-2 Patentee after: Shenzhen Aike Robot Technology Co., Ltd. Address before: 518067 054-11 mailbox, Shenzhen City, Guangdong Province Patentee before: Liu Xiaoyong |
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Granted publication date: 20120815 Termination date: 20161227 |