CN200957029Y - Alarm device of meat roaster - Google Patents
Alarm device of meat roaster Download PDFInfo
- Publication number
- CN200957029Y CN200957029Y CN 200620139118 CN200620139118U CN200957029Y CN 200957029 Y CN200957029 Y CN 200957029Y CN 200620139118 CN200620139118 CN 200620139118 CN 200620139118 U CN200620139118 U CN 200620139118U CN 200957029 Y CN200957029 Y CN 200957029Y
- Authority
- CN
- China
- Prior art keywords
- signal
- barbecue grill
- microprocessor
- alarming device
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Feeding And Controlling Fuel (AREA)
- Control Of Combustion (AREA)
Abstract
The utility model relates to an alarming system for a grilling stove, which comprises a shell. The shell is arranged with as follows: a thermoelectric couple arranged inside the grilling stove, which senses the flame burning status and translates the status into an analog sensing signal to output; a signal amplifying comparison circuit connected with the thermoelectric couple, which inputs, amplifies, corrects and translates the analog sensing signal into a digital signal to output; a gas switch detecting unit connected with the gas switch of the grilling stove, which detects the switch on or off status of the gas switch; a microprocessor connected with the signal amplifying comparison circuit and the gas switch detecting unit, which decides the extinguish status of the flame inside the grilling stove and outputs the corresponding alarming signal according to the digital signal output by the signal amplifying comparison circuit and the switch on or off status detected by the gas switch detecting unit; a warning driving circuit connected with the microprocessor, which inputs the alarming signal and translates the alarming signal into a warning driving signal; a warning component connected with the warning driving circuit, and the warning driving signal activates the warning action; and an electrical source which provides power supply for the signal amplifying comparison circuit, the gas switch detection unit, the microprocessor, and warning driving circuit and the warning component.
Description
One, technical field
The utility model relates to barbecue grill, relates in particular to a kind ofly can detect fired state and by sounding or cresset is warned the alarming device that the barbecue grill combustion flame extinguishes the barbecue grill of state.
Two, background technology
Barbecue grill is widely used in food barbecue occasion, particularly can be indoor, carry out easy manipulating in open air or the garden, yet, existing barbecue grill all adopts the burner of coal gas or liquefied fuel mainly to heat the source as food roasting, therefore, the flame combustion state monitoring of burner is considerable, because peripheral environment climatic factor, blow or coal gas as high wind, oil inflame totally or reason such as the Parts Breakdown of burner own, causing the flame of the coal gas of barbecue grill or oil burner to occur extinguishing can't combustion phenomena, add coal gas or fuel cock under opening, coal gas and the fuel oil problem that leaks outside can occur, make the use of existing barbecue grill have great operational hazards factor.
Relevant in preceding patented technology document, as No. the 383580th, TaiWan, China patent gazette, " the Barbecue for roasting meat improvement that tool is windproof " novel patent case, disclose existing liquefied fuel of typical case and gas roast furnace structure, though being provided with baffle plate, it extinguishes state because of high wind blows to prevent burner flame, but use up for coal gas or fuel oil, the fray-out of flame state that the burner fault is produced does not have good caution countermeasure; In addition, shown in No. 5127824 " Barbecue burner " patent of invention case of U.S.'s patent of invention, be to disclose existing gas roast furnace of a kind of typical case and burner structure, similarly, do not have the countermeasure of well monitoring at combustion flame, allow gas roast furnace in operating process, have still that high wind blows or coal gas, oil inflame totally, danger and shortcoming that the Parts Breakdown of burner own causes the fray-out of flame of barbecue grill gas burner to burn.
Three, utility model content
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of alarming device of barbecue grill, make barbecue grill when combustion flame extinguishes, have accurately and provide in good time the caution effect of sound or cresset, effectively prevent the danger that coal gas leaks outside.
A purpose more of the present utility model is to provide a kind of alarming device of barbecue grill, it is by being provided with thermocouple and jet detecting unit, make barbecue grill more accurate in the detecting that combustion flame extinguishes state, as can precisely detecting any fray-out of flame state that non-jet cuts out, eliminate erroneous judgement and alarm misoperation factor.
The purpose of this utility model is realized by following technical scheme.
The alarming device of the utility model barbecue grill is characterized in that, comprises housing, is provided with in this housing:
At least one thermocouple is located at barbecue grill inside, and the sensing flame combustion state also converts analog sensing signal output to; One signal amplifies comparison circuit, and it connects thermocouple, input analog sensing signal, and a digital signal is exported in conversion after carrying out amplification correction; At least one jet detecting unit, it connects the barbecue grill jet, detects the state that opens or closes of jet; One microprocessor, be to connect signal to amplify comparison circuit and jet detecting unit, by amplify the digital signal of comparison circuit output and the switch of jet detecting unit by signal, judge the state that extinguishes of barbecue grill combustion flame, and export a relative alarm signal; One caution drive circuit connects microprocessor, and input alarm signal and conversion output one caution drive signal; One warning component connects the caution drive circuit, warns action by the driving of alert driver signal; One supply unit is supplied with signal and is amplified comparison circuit, at least one jet detecting unit, microprocessor, caution drive circuit and the required working power of warning component.
The alarming device of aforesaid barbecue grill, wherein thermocouple is located on the gas burner of barbecue grill inside.
The alarming device of aforesaid barbecue grill, wherein signal amplification comparison circuit comprises: an OP amplifying circuit, it connects thermocouple, for amplifying the analog sensing signal; One hysteresis comparator connects OP amplifying circuit and microprocessor, proofreaies and correct for B-H loop.
The alarming device of aforesaid barbecue grill, wherein microprocessor connects a keyboard.
The alarming device of aforesaid barbecue grill, wherein microprocessor connects a display unit.
The alarming device of aforesaid barbecue grill, wherein display unit is LCD or light-emitting diode display.
The alarming device of aforesaid barbecue grill, wherein the jet detecting unit is the photoelectricity sense switch.
The alarming device of aforesaid barbecue grill, wherein warning component is buzzer or indicator lamp.
The alarming device of aforesaid barbecue grill, wherein supply unit is a dc-battery.
The beneficial effect of the alarming device of the utility model barbecue grill is that it comprises that at least one thermocouple, signal amplify comparison circuit, at least one jet detecting unit, microprocessor, caution drive circuit, warning component and supply unit; Wherein, thermocouple is located in the barbecue grill, supply sensing barbecue grill fired state and export relative analog sensing signal, signal amplification comparison circuit carries out the analog sensing signal of thermocouple output amplification correction and exports relative digital signal, the jet detecting unit connects the jet of barbecue grill, supply the unlatching of output jet or close signal, microprocessor connects input signal and amplifies the digital signal of comparison circuit output and the switch signal of the jet that the jet detecting unit is exported, barbecue grill extinguishes under the state at other various combustion flames of cutting out except jet, can warn drive circuit by microprocessor driven, activate as warning components such as buzzer or indicator lamps by the caution drive circuit again, sounded or the cresset caution, this supply unit is supplied with the required working power of above-mentioned each circuit unit, reaches the utility model and makes barbecue grill reach the purpose of combustion flame state detecting and fray-out of flame alarm.
Four, description of drawings
Fig. 1 implements circuit block diagram for the utility model first embodiment.
Fig. 2 implements circuit block diagram for the utility model second embodiment.
Fig. 3 implements circuit block diagram for the utility model the 3rd embodiment.
Fig. 4 implements circuit block diagram for the utility model the 4th embodiment.
Fig. 5 is an application illustration shown in Figure 4.
Main label explanation among the figure: 100 alarming devices, 10 thermocouple, 11 analog sensing signals, 111 sensings amplify signal, 20 signals amplify comparison circuit, 20A is the OP amplifying circuit, 20B is a hysteresis comparator, 21 digital signals, 30 jet detecting units, 31 switch signals, 40 microprocessors, 41 alarm signals, 42 burning indicator lamps, 43 power supply indicators, 44 display unit, 45 keyboards, 50 caution drive circuits, 51 alert driver signals, 60 warning components, 60 ' warning component, 70 supply units, 200 barbecue grills, 210 jets, 220 gas burners.
Five, the specific embodiment
Consult shown in Figure 1, first embodiment of the alarming device 100 of the utility model barbecue grill, this alarm device 100 comprises housing, is provided with at least one thermocouple 10, signal amplification comparison circuit 20, at least one jet detecting unit 30, microprocessor 40, caution drive circuit 50, warning component 60 and supply unit 70 in the housing.
This thermocouple 10 is located in the barbecue grill 200, supplies the flame combustion state in the sensing barbecue grill 200, and exports a relative analog sensing signal 11 by thermocouple 10 heat energy own with the electric energy translation function.
This signal amplification comparison circuit 20 connects these thermocouple 10, imports above-mentioned analog sensing signal 11, and this signal amplification comparison circuit 20 amplifies the analog sensing signal 11 of thermocouple 10 outputs and rectification building-out, and a relative digital signal 21 is exported in conversion.
This jet detecting unit 30 connects the jet 210 of this barbecue grill 200, detect the opening of this jet 210 (on) or (off) state of closing, and export a relative switch signal 31, the form of this jet detecting unit 30 is not limit, be that employing photoelectricity sense switch is that example describes in the utility model, other detects the replacement of assembly as equivalent sensings such as paralleling switch or microswitches, all should belong to technology category of the present utility model.
This microprocessor 40 connects above-mentioned signal and amplifies comparison circuit 20 and jet detecting unit 30, import above-mentioned signal and amplify the digital signal 21 of comparison circuit 20 outputs and the switch signal 31 of jet detecting unit 30 outputs, the basis that allows little processing 40 judge as alarm by this digital signal 21 and switch signal 31, show that as digital signal 21 combustion flame of barbecue grill 200 is for extinguishing, and the state of switch signal 31 for opening, then this microprocessor 40 sends an alarm signal 41, in addition, signal 41 does not give the alarm, show that as digital signal 21 combustion flame of barbecue grill 200 is for extinguishing, but switch signal 31 is a closing state, microprocessor 40 signal 41 that can not give the alarm then, in other words, the various combustion flames of the barbecue grill 200 when promptly both warn jet 210 and open by this digital signal 21 and switch signal 31 extinguish state, use up as coal gas fuel, flame is put out and state such as barbecue grill 200 Parts Breakdown fray-outs of flame by high wind, and can get rid of as jet 210 and not open, and the unburned erroneous judgement situation of barbecue grill 200 flames.
This caution drive circuit 50 connects microprocessor 40, and the alarm signal 41 of input microprocessor 40 outputs is to export an alert driver signal 51 according to alarm signal 41.
This warning component 60 connects caution drive circuit 50, warn action by 51 drivings of alert driver signal, the form of this warning component 60 is not limit, be that the employing buzzer is that example is carried out the output sound alarm in first embodiment of the present utility model, extinguish state to remind with the various combustion flames of caution barbecue grill 200 when jet 210 is opened.
This supply unit 70 offers signal and amplifies the required working power of comparison circuit 20, at least one jet detecting unit 30, microprocessor 40, caution drive circuit 50 and warning component 60, the form of this supply unit 70 is not limit, adopting dc-battery in the utility model is that example describes, other also should belong to technology category of the present utility model as equivalent power supply modules such as ac/dc rectifier transformers.
Consult shown in Figure 2, second embodiment for the alarming device 100 of the utility model barbecue grill, it shows that this signal amplifies the embodiment that comparison circuit 20 is formed, this signal amplifies comparison circuit 20 and comprises an OP amplifying circuit 20A and hysteresis comparator 20B, OP amplifying circuit 20A connects thermocouple 10, for this analog sensing signal 11 of input, this analog sensing signal 11 is amplified processing, obtain a sensing and amplify signal 111, this hysteresis comparator 20B connects OP amplifying circuit 20A and microprocessor 40, the voltage level that this sensing amplification signal 111 carries out B-H loop is relatively proofreaied and correct, obtained digital signal 21 and export microprocessor 40 to.
Consult shown in Figure 3, the 3rd embodiment for the alarming device 100 of the utility model barbecue grill, it shows that this microprocessor 40 connects a burning indicator lamp 42 and a power supply indicator 43, this burning indicator lamp 42 is to judge that at microprocessor 40 combustion flame of barbecue grill 200 is to show under the normal condition, whether indication barbecue grill 200 is normal, the power supply status of these power supply indicator 43 indication supply units 70, and this warning component 60 ' is the indicator lamp form, can show or glimmer by cresset to show the combustion flame state of barbecue grill 200.
Consult Fig. 4, shown in Figure 5, the 4th embodiment for the alarming device 100 of the utility model barbecue grill, display application is in an enforcement state with barbecue grill 200 of many gas burners 220, wherein, several thermocouple 10 are connected in respectively on each gas burner 220 in the barbecue grill 200, carry out the caution detecting that the combustion flame to gas burner 220 extinguishes respectively, and several signals amplify comparison circuit 20 and connect thermocouple 10 and microprocessor 40, convert digital signal 21 to the analog sensing signal 11 that each thermocouple 10 is exported and supply with the flame combustion state judgement that microprocessor 40 carries out each gas burner 220; And several jet detecting units 30 connect the jet 210 and the microprocessor 40 of each gas burner 220 respectively, supply with microprocessor 40 opens or closes state as each gas burner 220 jet 210 basis for estimation with jet 210 states and the input switch signal 31 that detect each gas burner 220 respectively.
Above-mentioned microprocessor 40 connects a display unit 44 and a keyboard 45, the form of this display unit 44 is not limit, be to adopt LCD (LCD) to describe in the utility model for example, other is as light-emitting diode display or cresset demonstration group, all should belong to technology category of the present utility model, the flame combustion state and the fray-out of flame alert status that show each gas burner 220 by display unit 44, this keyboard 45 is supplied with the input operation order, for example: operating functions such as the adjustment of caution parameter value, alarm involution (RESET), demonstration switching.
Consult application examples shown in Figure 5, according to embodiment shown in Figure 4, the alarming device 100 of the utility model barbecue grill can be enlarged to be applied to several gas burners 220 in the barbecue grill 200 are warned flame combustion respectively, warn by sound caution or cresset by warning component 50, cooperate the demonstration of display unit 44 again and can reach the gas burner 220 of accurately learning fray-out of flame rapidly, get rid of the fray-out of flame fault by the Field Force, have the effect of several gas burner 220 fray-outs of flame of caution operation.
The alarming device of the utility model barbecue grill shown in above Fig. 1 to Fig. 5, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (9)
1, a kind of alarming device of barbecue grill is characterized in that, comprises housing, is provided with in this housing:
At least one thermocouple is located at barbecue grill inside, and the sensing flame combustion state also converts a simulation sense to
The output of survey signal;
One signal amplifies comparison circuit, and it connects thermocouple, input analog sensing signal, and a digital signal is exported in conversion after carrying out amplification correction;
At least one jet detecting unit, it connects the barbecue grill jet, detects the state that opens or closes of jet;
One microprocessor, be to connect signal to amplify comparison circuit and jet detecting unit, by amplify the digital signal of comparison circuit output and the switch of jet detecting unit by signal, judge the state that extinguishes of barbecue grill combustion flame, and export a relative alarm signal;
One caution drive circuit connects microprocessor, and input alarm signal and conversion output one caution drive signal;
One warning component connects the caution drive circuit, warns action by the driving of alert driver signal;
One supply unit is supplied with signal and is amplified comparison circuit, at least one jet detecting unit, microprocessor, caution drive circuit and the required working power of warning component.
2, the alarming device of barbecue grill according to claim 1 is characterized in that, described thermocouple is located on the gas burner of barbecue grill inside.
3, the alarming device of barbecue grill according to claim 1 is characterized in that, described signal amplifies comparison circuit and comprises: an OP amplifying circuit, and it connects thermocouple, for amplifying the analog sensing signal; One hysteresis comparator connects OP amplifying circuit and microprocessor, proofreaies and correct for B-H loop.
4, the alarming device of barbecue grill according to claim 1 is characterized in that, described microprocessor connects a keyboard.
5, the alarming device of barbecue grill according to claim 1 is characterized in that, described microprocessor connects a display unit.
6, the alarming device of barbecue grill according to claim 5 is characterized in that, described display unit is LCD or light-emitting diode display.
7, the alarming device of barbecue grill according to claim 1 is characterized in that, described jet detecting unit is the photoelectricity sense switch.
8, the alarming device of barbecue grill according to claim 1 is characterized in that, described warning component is buzzer or indicator lamp.
9, the alarming device of barbecue grill according to claim 1 is characterized in that, described supply unit is a dc-battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139118 CN200957029Y (en) | 2006-09-07 | 2006-09-07 | Alarm device of meat roaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139118 CN200957029Y (en) | 2006-09-07 | 2006-09-07 | Alarm device of meat roaster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957029Y true CN200957029Y (en) | 2007-10-10 |
Family
ID=38783904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620139118 Expired - Fee Related CN200957029Y (en) | 2006-09-07 | 2006-09-07 | Alarm device of meat roaster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957029Y (en) |
-
2006
- 2006-09-07 CN CN 200620139118 patent/CN200957029Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105222175A (en) | Gas-cooker intelligence control system | |
| CN206648088U (en) | A kind of kitchen range with protector of accident extinguishing | |
| CN201232854Y (en) | Household fuel gas leakage multiaspect control device | |
| CN204901853U (en) | Gas cooking utensils with temperature warning | |
| CN206516042U (en) | New carbon monoxide and flammable gas alarm device | |
| CN200957029Y (en) | Alarm device of meat roaster | |
| CN1667320A (en) | Safety protection method for unexpected flameout of multipoint temperature control gas appliance | |
| CN205137559U (en) | Intelligent control system for gas stove | |
| CN206961294U (en) | Imflammable gas detects alarm security controller | |
| CN202583359U (en) | Start-up and shut-down detecting system of household appliances | |
| CN205137554U (en) | Ignition of integrated kitchen | |
| CN207740526U (en) | A kind of Domestic gas safety control device | |
| CN2674322Y (en) | Safety gas cooking range | |
| CN206789025U (en) | Gas safe control system | |
| CN2616808Y (en) | Flameout safety protection device for gas range | |
| CN2795499Y (en) | Air exhaust fan with automatic exhaust function while gas leakage | |
| CN104751590A (en) | Single-chip microcomputer based smoke alarm and alarm method thereof | |
| GB2440797A (en) | Barbeque alarm using a thermocouple | |
| CN210345557U (en) | Flameout monitoring system for integrated cooking bench | |
| CN2844730Y (en) | Cooker hood with automatic air-exchanging function when gas leaking | |
| CN209015386U (en) | A kind of multi-functional high integration gas detection alarm controller | |
| CN113433169A (en) | Combustible gas safety on-line transmission monitoring devices based on thing networking | |
| CN203478361U (en) | Multifunctional gas stove based on smoke-sensitive detection and intelligent and self-controlled pipelines | |
| CN201251838Y (en) | Combustible gas concentration display alarm | |
| CN219871135U (en) | Novel combustible gas sensor module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20100907 |