CN101387413B - 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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- CN101387413B CN101387413B CN2007103075194A CN200710307519A CN101387413B CN 101387413 B CN101387413 B CN 101387413B CN 2007103075194 A CN2007103075194 A CN 2007103075194A CN 200710307519 A CN200710307519 A CN 200710307519A CN 101387413 B CN101387413 B CN 101387413B
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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 be equipped with this device automatically/semi-automatic cooking device or cooking device system, be specifically related to a kind of be used for automatically or on the semi-automatic cooking device, prevent to take place because of with the fire cooking time automatic/semi-automatic cooking device or cooking device system that accident such as non-normal flameout or gas leakage cause the gas automatic protection apparatus of security incident and this device is 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, on its safety precautions, have found out numerous way.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 stressed 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 possibly 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, signal is sent to control circuit in the forming circuit loop, 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 on a burner, have been adopted two or more flame inductive needles; 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 to 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 the object of the 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 arranged on this burner at interval; Combustion gas is regulated parts and is comprised that at least flame regulating valve and who is positioned under this burner 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 circuit that is used for the processing and detecting signal and the control control circuit that is used to control combustion gas adjusting parts in the firepower control module.Wherein, in normal gastronomical process, flame regulating valve can receive 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, the flame regulating valve of having only that can be controlled automatically, and flame regulating valve is under many circumstances, 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 the different detection probe mechanism of action is different, and 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 near the detector probe that is positioned at this plug nozzle just detects less than flame, and in fact whole burner is in normal combustion, and perhaps flame temporarily departs from (like 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 parallelly connected detector probe 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, different time delay will be set in the firepower control module handle, because its flame response time of different types of detector probe is different.
In order further to improve reliability, above-mentioned two or more detector probe preferably are provided with 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 like 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 close part mentions from valve seat, valve open, combustion gas output; During outage, electromagnetic force disappears, and spring force close part is pressed 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 and is arranged at interval the two or more detector probe the flame distribution space in, and every suit combustion gas adjusting parts comprise the flame regulating valve and the burnt gas switch valve on blast tube that is positioned at this burner that are positioned under the burner at least.
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 and is arranged on the two or more detector probe in the flame distribution space at interval; 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 and is arranged at interval the two or more detector probe the flame distribution space in, each burner can be shared one the or one firepower control module more than fast; 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.
Again on the one hand, the invention provides a kind of automatically/automanual cooking device, this cooking device comprises one or more burner, 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 automatically/semi-automatic cooking device or cooking device system can further include the material turning device, cooking pot moving device and/or stir instrument etc. for example.
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.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explanation, 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 sketch map of the fuel safety protecting device of the embodiment of the invention 1.
Fig. 2 is the sketch map of the fuel safety protecting device of the embodiment of the invention 2.
Fig. 3 is the sketch map of the fuel safety protecting device of the embodiment of the invention 3.
Fig. 4 is the sketch map of the fuel safety protecting device of the embodiment of the invention 4.
The specific embodiment
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, and control card 312 mainly comprises microprocessor, motor drive module and driving relay, and the signal output part of circuit board 311 is connected with control card 312 interior microprocessors; 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 parallelly connected with ion probe 101,103 on the basis of embodiment 1, to have increased a thermocouple probe 102, and 120 degree are arranged on the position that burner contacts with flame at interval 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 parallel connection and all being connected with two firepower control modules, 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 cooking device system that above-mentioned gas automatic protection apparatus is housed.Be somebody's turn to do automatic/semi-automatic cooking device or cooking device system and 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. the gas automatic protection apparatus of microprocessor control; Be used to monitor the flame status of burner; Comprise that detection part, reception and processing in the flame distribution space that is arranged on said burner is from the signal of said detection part and regulate parts to combustion gas and send the firepower control module of instruction and regulated parts by the said combustion gas that said firepower control module is controlled; Wherein, Said detection part comprises plural, the independent detector probe that operates in the flame distribution space that is arranged on said burner at interval, and has only when all detector probe all detect less than flame, just takes next step closing motion; Said combustion gas is regulated parts and is comprised that at least a flame regulating valve that is positioned at the automatic control under the said burner and one are positioned on the said blast tube or the burnt gas switch valve of the automatic control at gas source place, and said flame regulating valve and said burnt gas switch valve are independent runnings.
2. gas automatic protection apparatus as claimed in claim 1, wherein, described plural detector probe links to each other with said firepower control module in parallel.
3. gas automatic protection apparatus as claimed in claim 1; Wherein, Described gas automatic protection apparatus comprises the firepower control module more than two, and wherein, at least one in described plural detector probe and the said two above firepower control modules is connected in parallel.
4. like the described gas automatic protection apparatus of one of claim 1-3, wherein, described plural detector probe uniformly-spaced is provided with in the flame distribution space of said burner.
5. the gas automatic protection apparatus of microprocessor control is used to monitor the flame status of plural burner, wherein, in the flame distribution space of said plural burner, plural detection part is set; Described plural detection part is connected with the firepower control module; Said firepower control module is used for receiving and handling from the signal of said plural detection part and the combustion gas adjusting parts more than two covers sends instruction; Said firepower control module output order is controlled described plural combustion gas and is regulated parts; Wherein, each said detection part comprises plural, the independent detector probe that operates that is arranged at interval in the flame distribution space, and has only when all detector probe all detect less than flame, just takes next step closing motion; The burnt gas switch valve that parts comprise the automatic control on a flame regulating valve that is positioned at the automatic control under the said burner and the blast tube that is positioned at this burner is at least regulated in the said combustion gas of every suit, and said flame regulating valve and said burnt gas switch valve are independent runnings.
6. gas automatic protection apparatus as claimed in claim 5, wherein, the said plural detector probe of part is connected with said firepower control module in parallel at least.
7. gas automatic protection apparatus as claimed in claim 5, wherein, said gas automatic protection apparatus further comprises the master switch valve that is positioned at the gas source place.
8. like the described gas automatic protection apparatus of one of claim 5-7, wherein, described plural detector probe uniformly-spaced is provided with in the flame distribution space of corresponding each said burner.
One kind automatically/automanual cooking device, this cooking device comprises a burner, wherein, described cooking device dress further is provided with like the described gas automatic protection apparatus of one of claim 1～4.
One kind automatically/automanual cooking device, this cooking device comprises plural burner, wherein, described cooking device dress further is provided with like 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 CN101387413A (en) | 2009-03-18 |
| CN101387413B true CN101387413B (en) | 2012-08-15 |
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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) |
Families Citing this family (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 |
Citations (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
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101387413A (en) | 2009-03-18 |
| 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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