CN208154533U - Commercial gas kitchen tools single needle ion stops working safety system - Google Patents
Commercial gas kitchen tools single needle ion stops working safety system Download PDFInfo
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- CN208154533U CN208154533U CN201820516999.9U CN201820516999U CN208154533U CN 208154533 U CN208154533 U CN 208154533U CN 201820516999 U CN201820516999 U CN 201820516999U CN 208154533 U CN208154533 U CN 208154533U
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Abstract
The utility model discloses a kind of flame-out safety systems of commercial gas kitchen tools single needle ion; including MCU and the ignition electrode and isolating high-pressure ignitor that are connected; it further include being connected between isolating high-pressure ignitor and MCU the flame detection circuit that ignition electrode can be allowed to detect whether flame; the common end of both flame detection circuit and isolating high-pressure ignitor be flame sensing signal input terminal a and its by be connected to ion circuit occur; isolating high-pressure ignitor includes high voltage package, and the secondary low-voltage end of high voltage package is connected between ignition electrode and flame sensing signal input terminal a.Commercial gas kitchen tools single needle ion provided by the utility model stops working safety system; gas-fired kitchen safety can be effectively ensured, and ignition electrode has the effect of fire defector, structure is simple; phenomenon that is very convenient, while avoiding cook electric using appearance fiber crops when gas-fired kitchen is installed.
Description
Technical field
The utility model relates to gas ignition fields more particularly to a kind of flame-out safety of commercial gas kitchen tools single needle ion to protect
Protecting system.
Background technique
The blowout protection skill of current commercial gas kitchen range ignition controller and commercial gas steamer ignition controller on the market
Art is all the technically simple application of household gas apparatus ion detection, is not suitable for commercial use environment.
The high-tension ignition energy ratio household of commercial gas kitchen tools ignition controller it is two 3 times big, damage to controller and
Interfere probability much larger；Commercial gas kitchen tools use environment is moist, and ionic current, which easily leaks, causes fire defector sensitivity low, accidentally
Report flare up fire；Fire defector needle and high-tension ignition needle are all separate from, and while installing will have biggish separation distance, no
High pressure of then lighting a fire climbs electricity and causes ignition control circuit to damage or be disturbed to fire defector needle, causes combustion gas largely to leak and pacifies
Full accident problem；Or fire defector needle and high-tension ignition are directed to point and form fire defector circuit, are not big with burner housing
Ground forms detection and returns, and igniting high pressure is not released well when igniting, so that high pressure is transmitted to kitchen by frying pan along combustion flame
Shi Zaocheng has the feeling of numb electricity.
The flame detection circuit of existing market commercial gas ignition controller is all to transplant domestic gas appliance flame detection circuit
It uses, causes control circuit control unstable or damage, influence the normal use of commercial kitchen tools, until being reluctant existing commercial kitchen tools all
Meaning uses ion blowout protection, brings very serious safe handling problem to commercial kitchen tools in this way, and each place combustion gas association forces
Country can not be executed to hotel industry gas-fired kitchen safety management.
Therefore, it is necessary to design a kind of commercial kitchen tools single needle ion to stop working safety protective circuit to solve installation trouble, high pressure
Damage the problems such as ignition controller, cook fiber crops electricity and gas-fired kitchen are used safely.
Utility model content
The purpose of the utility model is to provide a kind of flame-out safety systems of commercial gas kitchen tools single needle ion, can be effective
Guarantee gas-fired kitchen safety, and ignition electrode has the effect of fire defector, structure is simple, and installation is very convenient, while avoiding kitchen
There is the phenomenon of fiber crops electricity in teacher when using gas-fired kitchen.
To achieve the above object, the utility model provides a kind of flame-out safeguard protection system of commercial gas kitchen tools single needle ion
System, further includes being connected to energy between isolating high-pressure ignitor and MCU including MCU and the ignition electrode and isolating high-pressure ignitor that are connected
Ignition electrode is allowed to detect whether the flame detection circuit of flame, the common end of both flame detection circuit and isolating high-pressure ignitor is fire
Flame detection signal input part a and its by be connected to ion occur circuit, isolating high-pressure ignitor includes high voltage package, the secondary low-voltage of high voltage package
End is connected between ignition electrode and flame sensing signal input terminal a.
It includes by concussion pipe Q7, capacitor C9, resistance that circuit, which occurs, for the ion as a further improvement of the utility model,
The high-frequency resonant booster circuit of R20 and transformer T1 composition, the base stage of the capacitor C9 connection earthquake pipe Q7 and emitter it
Between, it shakes and is connected with voltage-stabiliser tube Z3 between the emitter and collector of pipe Q7, further include for being exported to the isolating high-pressure ignitor
The capacitor C8 of ion voltage.
As the further improvement of the utility model, the flame sensing signal input terminal a and ion occur circuit it
Between by first protection circuit isolation, it is described first protection circuit include ceramic discharge tube ZD1, capacitor C6 and capacitor C7.
As the further improvement of the utility model, the flame detection circuit includes resistance R18, the electricity being sequentially connected in series
Resistance R19, resistance R21 and comparator IC1A, the resistance R18 are connect with the flame sensing signal input terminal a, comparator IC1A
Positive input terminal connect with resistance R21, between the output end of comparator IC1A and the MCU by second protection circuit be isolated.
As the further improvement of the utility model, the second protection circuit includes optocoupler ISO1.
Beneficial effect
Compared with prior art, the utility model commercial gas kitchen tools single needle ion stop working safety system the advantages of
For：
1, ignition electrode is allowed to form ionic current circuit directly between the burner housing of ground connection to realize ignition function, and
By the way that ion to that the combination of circuit, isolating high-pressure ignitor and flame detection circuit three occur, needle is detected without in addition using, both
Gas-fired kitchen safety can be effectively ensured, and ignition electrode is provided simultaneously with the effect of fire defector, structure is simple, and burner only needs to install
A piece needle, therefore solve burner spininess installation troublesome problem；
2, igniting is struck sparks for burner housing when lighting a fire, and igniting high pressure directly passes through burner housing and returns to the earth, because
This solves the phenomenon for having numb electricity in cook's use process；
3, the high voltage package of isolating high-pressure ignitor increases fire defector sensitivity to fire defector ion voltage Bootstrap；
4, it by the first protection circuit and the second protection circuit, avoids igniting high pressure damage ion and circuit, flame occurs
Detection circuit and the phenomenon that MCU；
5, output switching activity after the negative voltage that comparator IC1A can will test is compared with reference voltage, can effectively judge to burn
Whether there is flame in device, to avoid MCU without the unlatching for still maintaining combustion gas electromagnetic switch valve when burning in burner, thus anti-
Gas leakage is stopped；
6, ion detection circuit and MCU is isolated by using optocoupler ISO1, structure is simple, and protection is effective；
7, the technical program gives commercial kitchen tools to solve all safety problems and commercial ion blowout protection ignition controller
A series of problems, such as bring de-stabilising effect normal use, also executes country to hotel industry combustion gas to each place combustion gas association
Kitchen tools safety management provides convenient.
Through the following description and in conjunction with the attached drawings, the utility model will become more fully apparent, these attached drawings are for explaining this
The embodiment of utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the circuit structure diagram of the flame-out safety system of commercial gas kitchen tools single needle ion.
Specific embodiment
The embodiments of the present invention are described referring now to the drawings.
Embodiment
Specific embodiment of the present utility model is as shown in Figure 1, a kind of flame-out safety of commercial gas kitchen tools single needle ion is protected
Protecting system further includes being connected to isolating high-pressure ignitor 11 including MCU10 and the ignition electrode 5 and isolating high-pressure ignitor 11 that are connected
Ignition electrode 5 can be allowed to detect whether the flame detection circuit 2 of flame, flame detection circuit 2 and isolating high-pressure ignitor between MCU10
To be connected to ion by flame sensing signal input terminal a and its circuit 1 occurs for both 11 common end, and isolating high-pressure ignitor 11 includes height
Briquetting and high-tension ignition circuit, the secondary low-voltage end of high voltage package are connected between ignition electrode 5 and flame sensing signal input terminal a.
Ignition electrode 5 is arranged in burner and positioned opposite with its wall body, burner housing ground connection；MCU10 and combustion gas electromagnetic switch
Valve connects and controls its opening and closing.
It includes the harmonic high frequency being made of concussion pipe Q7, capacitor C9, resistance R20 and transformer T1 that circuit 1, which occurs, for the ion
Shake booster circuit, between the base stage and emitter of the capacitor C9 connection earthquake pipe Q7, shakes the emitter and current collection of pipe Q7
The voltage-stabiliser tube Z3 of 100V is connected between pole.It further include for the capacitor C8 to the isolating high-pressure ignitor 11 output ion voltage.
The flame sensing signal input terminal a and ion occur to protect circuit to be isolated by first between circuit 1, and described the
One protection circuit includes ceramic discharge tube ZD1, capacitor C6 and capacitor C7.
The flame detection circuit 2 includes resistance R18, resistance R19, resistance R21 and the comparator IC1A being sequentially connected in series, institute
It states resistance R18 to connect with the flame sensing signal input terminal a, the positive input terminal of comparator IC1A is connect with resistance R21, is compared
It is isolated between the output end of device IC1A and the MCU10 by the second protection circuit.
The second protection circuit includes optocoupler ISO1.
Ceramic discharge tube ZD1 be connected to flame sensing signal input terminal a and over the ground between, when high-tension ignition, small electricity
The high pressure for flowing 20KV returns to ground, a (the i.e. input of flame detection circuit 2 of flame sensing signal input terminal by ceramic discharge tube ZD1
End) voltage be clamped at the voltage range of 470V or so, it is electric to fire defector after be depressured again using voltage attenuation circuit
Road, and flame detection circuit is isolated with governor circuit MCU10 by optocoupler ISO1, therefore solves igniting high pressure damage master control
Device phenomenon processed.
When having flame, ionic current successively passes through ion and circuit 1, flame sensing signal input terminal a, high voltage package low pressure occurs
End, ignition electrode 5, burner housing and ground connection, forming circuit, then flame sensing signal input terminal a is negative pressure；When not without flame
When, it is not formed into a loop, the voltage of flame sensing signal input terminal a is 500V alternating current.Comparator IC1A positive input terminal with
Flame sensing signal input terminal a connection, negative input end ground connection, compared with negative input end and is overturn, comparator by positive input terminal
The output end of IC1A issues flare up fire to MCU10, and MCU10 judges whether there is flame by the flare up fire.
A kind of control method of the flame-out safety system of commercial gas kitchen tools single needle ion, includes the following steps：
1) lighting up procedure：The setting of ignition electrode 5 is in burner and positioned opposite with its wall body, burner housing ground connection；
The opening and closing of MCU10 control combustion gas electromagnetic switch valve；The ion voltage U1 that circuit 1 exports 500V, the ion-conductance occurs by ion
U1 is pressed to export the igniting high pressure U2 of 20KV, ignition electrode 5 and combustion by ignition electrode 5 after the high voltage package boosting of circuit 1 occurs for ion
Burner shell is formed into a loop arcing, forms the heat for lighting combustion gas by electric arcing；
2) flame detection procedure：Ignition electrode 5 is as detection needle；Ignition electrode 5 and burner housing are formed into a loop and generate fire
Flame signal, flare up fire inputs the high-voltage end of high voltage package secondary by ignition electrode 5, then is passed to by secondary coil inside high voltage package
High voltage package low-pressure end, then be transmitted to flame detection circuit 2 and judge whether burner is burning；Such as judging burner not is to burn
State, gives result to MCU10 immediately, and MCU10 closes combustion gas electromagnetic switch valve in one second, avoids accident extinguishing coal gas a large amount of
Safety accident caused by leakage realizes that high-tension ignition and fire defector are total to the single needle fire defector safeguard protection of needle；Such as disconnected burning
Device is maintained open combustion gas electromagnetic switch valve in combustion state, MCU10 execution.
In lighting up procedure, the ion voltage that the high-frequency resonant booster circuit in circuit 1 generates 500V is occurred by ion
U1, ion voltage U1 are exported by capacitor C8.
Igniting high pressure U2 when igniting occurs circuit 1 to ion and returns, first through ceramic discharge tube ZD1 clamper on the left side 470V
Then the right side reduces voltage through capacitor C6 and capacitor C7 filtering decaying, then is isolated by transformer T1, additionally by earthquake pipe Q7
Emitter and collector between be connected with the voltage-stabiliser tube Z3 of 100V, to ensure to shake pipe Q7 emitter, collector and base stage
Voltage is not damaged by high pressure.
Flame has unilateal conduction characteristic, and the ion voltage U1 of ignition electrode 5 becomes negative DC voltage, and negative DC voltage is through high pressure
Packet, resistance R18, resistance R19, resistance R21 transfer back to comparator IC1A, and comparator IC1A detects negative voltage and reference voltage ratio
Output switching activity after relatively.
Separately filtering decaying through ceramic gas discharge tube ZD1, capacitor C6 reduces voltage again through resistance R18, resistance R19, resistance
R21, capacitor C10, capacitor C11, diode D9, capacitor D10 decaying screen decaying, return the very minimum living shield of high voltage variable at this time
Comparator IC1A, flame sensing signal are just sent to MCU10 after optocoupler ISO1 optical isolation again, MCU10 are protected not to be damaged
Or interference, it ensure that the safety of the flame-out safety system steady operation of commercial gas kitchen tools single needle ion and gas-fired kitchen makes
With.
Signal after the comparator IC1A overturning sends MCU10 to by optocoupler ISO1 optical isolation.
In above-described embodiment, ion voltage U1 can be 300V or 600V, and igniting high pressure U2 can be 15KV or 25KV, pottery
Porcelain discharge tube ZD1 can be by igniting high pressure U2 clamper in 400V or 550V.Specific voltage can carry out centainly according to circuit structure
The adjustment of range.
Combine most preferred embodiment that the utility model is described above, but the utility model is not limited to above take off
The embodiment shown, and modification, equivalent combinations that various essence according to the present utility model carry out should be covered.
Claims (5)
- The safety system 1. a kind of commercial gas kitchen tools single needle ion stops working, including MCU (10) and be connected one igniting Needle (5) and isolating high-pressure ignitor (11), which is characterized in that further include being connected between isolating high-pressure ignitor (11) and MCU (10) to allow Ignition electrode (5) detects whether the flame detection circuit (2) of flame, both flame detection circuit (2) and isolating high-pressure ignitor (11) It is common end be flame sensing signal input terminal a and its by be connected to ion occur circuit (1), isolating high-pressure ignitor (11) includes high pressure Packet, the secondary low-voltage end of high voltage package is connected between ignition electrode (5) and flame sensing signal input terminal a.
- The safety system 2. a kind of commercial gas kitchen tools single needle ion according to claim 1 stops working, which is characterized in that It includes the high-frequency resonant boosting being made of concussion pipe Q7, capacitor C9, resistance R20 and transformer T1 that circuit (1), which occurs, for the ion Circuit, between the base stage and emitter of the capacitor C9 connection earthquake pipe Q7, between the emitter and collector of concussion pipe Q7 It is connected with voltage-stabiliser tube Z3, further includes for the capacitor C8 to the isolating high-pressure ignitor (11) output ion voltage.
- The safety system 3. a kind of commercial gas kitchen tools single needle ion according to claim 2 stops working, which is characterized in that The flame sensing signal input terminal a occurs to be isolated between circuit (1) by the first protection circuit with ion, first protection Circuit includes ceramic discharge tube ZD1, capacitor C6 and capacitor C7.
- The safety system 4. a kind of commercial gas kitchen tools single needle ion according to claim 1 stops working, which is characterized in that The flame detection circuit (2) includes the resistance R18 being sequentially connected in series, resistance R19, resistance R21 and comparator IC1A, the resistance R18 is connect with the flame sensing signal input terminal a, and the positive input terminal of comparator IC1A is connect with resistance R21, comparator IC1A Output end and the MCU (10) between by second protection circuit be isolated.
- The safety system 5. a kind of commercial gas kitchen tools single needle ion according to claim 4 stops working, which is characterized in that The second protection circuit includes optocoupler ISO1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516999.9U CN208154533U (en) | 2018-04-12 | 2018-04-12 | Commercial gas kitchen tools single needle ion stops working safety system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516999.9U CN208154533U (en) | 2018-04-12 | 2018-04-12 | Commercial gas kitchen tools single needle ion stops working safety system |
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| Publication Number | Publication Date |
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| CN208154533U true CN208154533U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820516999.9U Active CN208154533U (en) | 2018-04-12 | 2018-04-12 | Commercial gas kitchen tools single needle ion stops working safety system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506972A (en) * | 2018-04-12 | 2018-09-07 | 无锡市启山林科技有限公司 | The flame-out safety system of commercial gas kitchen tools single needle ion and control method |
| CN109682076A (en) * | 2019-01-25 | 2019-04-26 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on Buck principle |
| CN109780570A (en) * | 2019-01-25 | 2019-05-21 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on BOOST principle |
| CN113446624A (en) * | 2021-06-30 | 2021-09-28 | 黄俊融 | Single-needle ignition and fire detection two-in-one circuit and control method |
-
2018
- 2018-04-12 CN CN201820516999.9U patent/CN208154533U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506972A (en) * | 2018-04-12 | 2018-09-07 | 无锡市启山林科技有限公司 | The flame-out safety system of commercial gas kitchen tools single needle ion and control method |
| CN108506972B (en) * | 2018-04-12 | 2024-04-16 | 广州市东霸节能科技有限公司 | Single-needle ion flameout safety protection system for commercial gas kitchen ware and control method |
| CN109682076A (en) * | 2019-01-25 | 2019-04-26 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on Buck principle |
| CN109780570A (en) * | 2019-01-25 | 2019-05-21 | 珠海格力电器股份有限公司 | Igniting inspection ignition circuit and burnt gas wall hanging furnace based on BOOST principle |
| CN113446624A (en) * | 2021-06-30 | 2021-09-28 | 黄俊融 | Single-needle ignition and fire detection two-in-one circuit and control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210818 Address after: 510000 Room 201, building 1, No. 2, Linghuan West Road, lingbian village, Shiqi Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Zhonghe Energy Saving Technology Co.,Ltd. Address before: 511400 room 457, Xin'an business center, No. 18, Bangjiang west section, Shilian Road, Panyu District, Guangzhou City, Guangdong Province Patentee before: WUXI QISHANLIN TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: 421099 Office 0095, Floor 2, S5 (Building 1), Chuangxing Valley, No. 1, Zhengshui Avenue, High tech Zone, Hengyang City, Hunan Province Patentee after: Hunan Zhongchuang Energy Saving Technology Co.,Ltd. Address before: 510000 Room 201, building 1, No. 2, Linghuan West Road, lingbian village, Shiqi Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Zhonghe Energy Saving Technology Co.,Ltd. |