CN205827275U - Novel foodstuff monolayer electric oven temperature intelligent control instrument - Google Patents
Novel foodstuff monolayer electric oven temperature intelligent control instrument Download PDFInfo
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- CN205827275U CN205827275U CN201620715541.7U CN201620715541U CN205827275U CN 205827275 U CN205827275 U CN 205827275U CN 201620715541 U CN201620715541 U CN 201620715541U CN 205827275 U CN205827275 U CN 205827275U
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- 239000002356 single layer Substances 0.000 title claims abstract description 25
- 239000000446 fuel Substances 0.000 claims description 48
- 230000006870 function Effects 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 235000013305 food Nutrition 0.000 description 7
- 238000003825 pressing Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Control Of Temperature (AREA)
Abstract
The utility model discloses a kind of novel foodstuff monolayer electric oven temperature intelligent control instrument, it includes housing and the panel being arranged on housing, also includes thermocouple, thermocouple input circuit, variable connector, differential amplifier circuit, A/D converter, single-chip microcomputer, control button, memory circuitry, display driver circuit, charactron, electric oven control circuit and display lamp；Thermocouple includes that 2 tunnels are separately positioned on the K-type thermocouple of electric oven inner top and bottom, the outfan of K-type thermocouple sequentially passes through thermocouple input circuit, variable connector, differential amplifier circuit and A/D converter and is connected with the input of single-chip microcomputer, single-chip microcomputer is connected with control button, memory circuitry, display driver circuit, electric oven control circuit and display lamp respectively, and the gating end of the outfan of display driver circuit and 12 LED charactrons is connected.This utility model not only hardware cost is low, and system is reliable, and accurate temperature controlling, line is easy for installation.
Description
Technical field
This utility model relates to a kind of temperature control equipment, specifically a kind of novel foodstuff monolayer electric oven temperature intelligence
Energy controller, belongs to food-baking technical field.
Background technology
Oven is to form hot-air to carry out a kind of device of cooking toast food, generally closes or semi-closed structure.Roasting
Stove, also known as baker, baking box, stove, is then referred to as roasting with hot-air heated with opening mode.Oven may also be used for referring to
Hot gas carries out the device of high-temperature process.Conventional oven uses the heating of wood, coal burning.Modern oven then has multi-functional, makes
With respectively electric heating or natural gas, but need the automatic constant temperature system of oneself.
Electric baker is mainly made up of casing, heating, thermoregulator, intervalometer and power regulating switch etc..Its casing master
To be formed three-decker by shell, middle interlayer, inner bag, before and after inner bag, on limit, to form crimping, to cut off cavity air；Outside
In layer cavity, the expanded perlite product of filling insulation, makes skin temperature significantly lower；Spring installed below at door is tied simultaneously
Structure, makes door be pressed on all the time on doorframe, has been allowed to preferable sealing.
Being distributed with up and down of monolayer electric oven of main flow adds heat pipe at present, carries out thermostatic control, according to roasting food variety
Difference, needs to set the most different temperature and corresponding temperature difference；And most baked foods need timing.Roasting for realizing electricity
This performance requirement of stove, needs to use the constant temperature instrument of two pieces of thermostatic control instrument or two-way, adds one piece of timer table, structure
Become this control system.If every piece of instrument uses high-grade instrument, so many instrument cost is the highest, uses and keeps out instrument, its temperature control
Inaccurate, fault rate is higher.
Meanwhile, existing electric oven thermostatic control system not only data-interface is less, and function singleness.Therefore, having must
That develop a kind of low cost and that there is accurate temperature controlling and concrete timing function monolayer food oven temperature control equipment.
Utility model content
For above-mentioned deficiency, this utility model provides a kind of novel foodstuff monolayer electric oven temperature intelligent control instrument, its
Can solve the problem that the face fire of monolayer food oven and the accurate control of the fire in a stove before fuel is added, control system is highly integrated, reduce control equipment and become
This.
The technical scheme in the invention for solving the technical problem is: novel foodstuff monolayer electric oven temperature intelligent control
Instrument processed, including housing and the panel being arranged on housing, is characterized in that, also include that thermocouple, thermocouple input circuit, multichannel are opened
Pass, differential amplifier circuit, A/D converter, single-chip microcomputer, control button, memory circuitry, display driver circuit, charactron, electricity are baked
Stove control circuit and display lamp；Described thermocouple has 2 tunnels, 2 road thermocouples to be separately positioned on electric oven inner top and bottom, thermoelectricity
Even outfan sequentially passes through the defeated of thermocouple input circuit, variable connector, differential amplifier circuit and A/D converter and single-chip microcomputer
Enter end to be connected, described single-chip microcomputer respectively with control button, memory circuitry, display driver circuit, electric oven control circuit and refer to
Showing that lamp is connected, the outfan of described display driver circuit is connected with the gating end of charactron, and described charactron includes 12 LED numbers
Code pipe.
Preferably, described panel is provided with controller marked area, fire viewing area, face, fire in a stove before fuel is added viewing area, time display district
And key zone, described controller marked area is arranged on the upper end of panel, and described fire viewing area, face, fire in a stove before fuel is added viewing area and timing are aobvious
Showing that district is arranged on the middle part of panel, described key zone is arranged on the lower end of panel；It is additionally provided with power supply indicator on described panel
With communication display lamp, described fiery viewing area is provided with face fire temperature display charactron, the warning of face fire definite value display lamp dough-making powder fire
Display lamp, described fire in a stove before fuel is added viewing area is provided with fire in a stove before fuel is added temperature display charactron, fire in a stove before fuel is added definite value display lamp and fire in a stove before fuel is added alarm lamp,
Described time display district is provided with timing display charactron and timing definite value display lamp；Described key zone is provided with more than first
Function button, the second multifunction push key, the 3rd multifunction push key, relay indicating light, timing indicator, function setting display lamp,
Increment display lamp and decrement display lamp, described first multifunction push key includes start and stop button or increment button, described merit more than second
Can include timing button or decrement button by button, described 3rd multifunction push key includes that function sets button or illuminating lamp button；
Described face fire temperature display charactron, fire in a stove before fuel is added temperature display charactron and timing display charactron are 4 LED numbers
Pipe.
Preferably, described electric oven control circuit includes 2 road silicon controlled control circuits, No. 2 control relay circuits and 1 tunnel
Illumination control circuit；2 road silicon controlled control circuits add heat pipe be arranged on electric oven inner top and bottom 2 respectively and are connected,
In order to chain of command fire and fire in a stove before fuel is added temperature；No. 2 control relay circuits respectively with face fire alarm lamp and fire in a stove before fuel is added alarm lamp
It is connected, is used for carrying out face fire and fire in a stove before fuel is added overtemperature alarm；1 road illumination control circuit is connected with electric oven intraoral illumination lamp.
Preferably, silicon controlled control circuit includes BTA41600B controllable silicon.
Preferably, described variable connector includes that CD4052 variable connector, described differential amplifier circuit include that LM324 computing is put
Big device, described A/D converter includes that ICL7135 analog-digital converter, described single-chip microcomputer include ST series monolithic, described in deposit
Memory circuit includes that AT2402 storage chip, described display driver circuit include ZLG7289 display driver chip.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes signalling channel automatic adjustment circuit
Circuit and cold junction temperature testing circuit, described signalling channel automatic adjustment circuit circuit and cold junction temperature testing circuit respectively with
Variable connector is connected.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes RS485 communicating circuit, described
RS485 communicating circuit is connected with single-chip microcomputer.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes photoelectric isolating circuit, described
RS485 communicating circuit is connected with single-chip microcomputer by photoelectric isolating circuit.
The beneficial effects of the utility model are:
This utility model. use cheap variable connector CD4052, use the operational amplifier of cheap LM324 to build difference
Amplifier, use the low ICL7135 of price, and other device mixes into one, had both improve precision, and had reduced again cost, and
Decrease the power consumption of self；Use ST series monolithic to be combined with dual integration A/D chip IC L7135, utilize STM8S single-chip microcomputer
Independent acquisition pulse width function, carry out to A/D use counting mode, it is achieved that high precision, precision be less than 0.2%；Use
The I/O of ZLG7289 display driver chip and ST series monolithic forms 12 Digital sum pipes and shows, 4 plane fire show, 4 fires in a stove before fuel is added
Display, 4 bit times set display；Two-way BTA41600B controllable silicon is used to control top fire and fire in a stove before fuel is added temperature respectively；Use RS485
Communication, it is simple to networking later realizes remote control function.
This utility model achieves the control of sampling path, utilizes controllable silicon to carry out accurate temperature controlling, uses 3 buttons to realize
The function of 6 buttons, and can alternately show enforcement value and setting value, timing can reach 10 hours.This practicality is new
Type not only hardware cost is low, and system is reliable, accurate temperature controlling, and line is easy for installation, solves the face fire of monolayer food oven
Accurate thermostatic control with the fire in a stove before fuel is added and the time-controlled problem of accurate constant temperature, control system is highly integrated, reduce control and set
Standby cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is panel schematic diagram of the present utility model.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention and combine its accompanying drawing to this practicality
Novel it is described in detail.Following disclosure provide many different embodiments or example for realize of the present utility model not
Same structure.In order to simplify disclosure of the present utility model, hereinafter parts and setting to specific examples are described.Additionally, this
Utility model can in different examples repeat reference numerals and/or letter.This repetition is for purposes of simplicity and clarity,
Relation between itself not indicating discussed various embodiment and/or arranging.It should be noted that, parts illustrated in the accompanying drawings
It is not drawn necessarily to scale.It is unnecessary to avoid that this utility model eliminates the description to known assemblies and treatment technology and process
Ground limits this utility model.
As depicted in figs. 1 and 2, a kind of novel foodstuff monolayer electric oven temperature intelligent control instrument of the present utility model, its bag
Include housing and the panel being arranged on housing, also include thermocouple, thermocouple input circuit, variable connector, differential amplifier circuit,
A/D converter, single-chip microcomputer, control button, memory circuitry, display driver circuit, charactron, electric oven control circuit and instruction
Lamp；Described thermocouple has 2 tunnels, 2 road thermocouples to be separately positioned on electric oven inner top and bottom, the outfan of thermocouple warp successively
Cross thermocouple input circuit, variable connector, differential amplifier circuit and A/D converter to be connected with the input of single-chip microcomputer, described list
Sheet machine is connected with control button, memory circuitry, display driver circuit, electric oven control circuit and display lamp respectively, described aobvious
Showing that the outfan of drive circuit is connected with the gating end of charactron, described charactron includes 12 LED charactrons.
Preferably, described panel is provided with controller marked area, fire viewing area, face, fire in a stove before fuel is added viewing area, time display district
And key zone, described controller marked area is arranged on the upper end of panel, and described fire viewing area, face, fire in a stove before fuel is added viewing area and timing are aobvious
Showing that district is arranged on the middle part of panel, described key zone is arranged on the lower end of panel；It is additionally provided with power supply indicator on described panel
With communication display lamp, described fiery viewing area is provided with face fire temperature display charactron, face fire definite value display lamp (note: face fire is fixed
Face fire temperature display numeral method face fire set temperature value when value display lamp is bright, when face fire definite value display lamp goes out, face fire temperature shows
Show charactron display surface fire actual temperature value) dough-making powder fire alarm lamp, described fire in a stove before fuel is added viewing area is provided with fire in a stove before fuel is added temperature and shows
Charactron, fire in a stove before fuel is added definite value display lamp (note: fire in a stove before fuel is added temperature display numeral method fire in a stove before fuel is added design temperature when fire in a stove before fuel is added definite value display lamp is bright
Value, fire in a stove before fuel is added temperature display numeral method fire in a stove before fuel is added actual temperature value when fire in a stove before fuel is added definite value display lamp goes out) and fire in a stove before fuel is added alarm lamp, institute
State time display district and be provided with timing display charactron and timing definite value display lamp (note: fixed when regularly definite value display lamp is bright
Time the timing of time showing numeral method the setting time, when regularly definite value display lamp goes out, timing display numeral method is fixed
Time count down time)；Described key zone is provided with the first multifunction push key (being shown as " open/stop " in Fig. 2), second multi-functional
Button (being shown as " regularly " in Fig. 2), the 3rd multifunction push key (be shown as in Fig. 2 " set & lamp "), relay indicating light, regularly
Display lamp, function set display lamp, increment display lamp and decrement display lamp, described first multifunction push key include start and stop button or
Increment button, described second multifunction push key includes timing button or decrement button, and described 3rd multifunction push key includes function
Set button or illuminating lamp button；Described face fire temperature display charactron, fire in a stove before fuel is added temperature display charactron and timing show
Show that charactron is 4 LED charactrons.
Preferably, described electric oven control circuit includes 2 road silicon controlled control circuits, No. 2 control relay circuits and 1 tunnel
Illumination control circuit；2 road silicon controlled control circuits add heat pipe be arranged on electric oven inner top and bottom 2 respectively and are connected,
In order to chain of command fire and fire in a stove before fuel is added temperature；No. 2 control relay circuits respectively with face fire alarm lamp and fire in a stove before fuel is added alarm lamp
It is connected, is used for carrying out face fire and fire in a stove before fuel is added overtemperature alarm；1 road illumination control circuit is connected with electric oven intraoral illumination lamp.
Preferably, silicon controlled control circuit includes BTA41600B controllable silicon.
Preferably, described variable connector includes that CD4052 variable connector, described differential amplifier circuit include that LM324 computing is put
Big device, described A/D converter includes that ICL7135 analog-digital converter, described single-chip microcomputer include ST series monolithic, described in deposit
Memory circuit includes that AT2402 storage chip, described display driver circuit include ZLG7289 display driver chip.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes signalling channel automatic adjustment circuit
Circuit and cold junction temperature testing circuit, described signalling channel automatic adjustment circuit circuit and cold junction temperature testing circuit respectively with
Variable connector is connected, and in order to carry out temperature-compensating, and compensation precision is high.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes RS485 communicating circuit, described
RS485 communicating circuit is connected with single-chip microcomputer.
Further, this novel foodstuff monolayer electric oven temperature intelligent control instrument also includes photoelectric isolating circuit, described
RS485 communicating circuit is connected with single-chip microcomputer by photoelectric isolating circuit.
Compared with the prior art, this utility model has the following characteristics that
1. use cheap variable connector CD4052, use the operational amplifier of cheap LM324 to build difference amplifier, adopt
With the low ICL7135 of price, and other device mixes into one, had both improve precision, and had reduced again cost, and decrease self
Power consumption.
2. use ST series monolithic to be combined with dual integration A/D chip IC L7135, utilize the independence of STM8S single-chip microcomputer
Capture pulse width function, carries out A/D is used counting mode, it is achieved that high precision, and precision is less than 0.2%.
3, ZLG7289 display driver chip and ST series monolithic I/O is used to form 12 Digital sum pipes and show, 4 plane fire
Display, 4 fires in a stove before fuel is added show, 4 bit times set display.
4, two-way BTA41600B controllable silicon is used to control top fire and fire in a stove before fuel is added temperature respectively.
5, No. 2 control relay circuits control illuminating lamp for face fire and fire in a stove before fuel is added overtemperature alarm, 1 road illumination control circuit.
6, RS485 communication is used, it is simple to networking later realizes remote control function.
7, AT2402 is used to store related parameter.
8,3 buttons, use 3 buttons to realize the function of 6 buttons.
9,12 display lamps, respectively power supply instruction, communication instruction, face fire arrange value instruction, the instruction of fire in a stove before fuel is added setting value, determine
Time setting value instruction, face fire report to the police instruction, the fire in a stove before fuel is added report to the police instruction, start instruction, timing instruction, setting state instruction, increase key refer to
Show, subtract key instruction (in fig. 2, except increasing key display lamp and to subtract key display lamp be that in addition to upper and lower arrow display lamp, other display lamps are equal
Use circular display lamp).
Utility model works principle is as follows:
Power on display surface fire and fire in a stove before fuel is added temperature value and the setting value of timing value, display surface fire and the setting of the fire in a stove before fuel is added after 10 seconds
Value, say, that setting value and actual value alternately display.
Opening/stop button when pressing, relay indicating light is bright, and instrument control A.C. contactor closes and adds the power supply of heat pipe, controlled
Silicon circuit starts chain of command fire and fire in a stove before fuel is added temperature, carries out thermostatic control after reaching set-point temperature.Setting value replaces with actual value
Display.
After pressing timing button, proceed by timing, countdown.Now the setting value of timing is handed over count down time value
For display.Timing can reach 10 hours.Time represents with two states: 99:55 represents 99 points 55 seconds, when reaching 100 points
When clock, become another state: h1:40,1 hour 40 points, do not show the second, so can realize the timing of 10 hours, full
The foot cooking time of all baked foods.
When pressing setting & lamp button (function sets button or illuminating lamp button), two kinds of situations occur: 1, the short time is by this
Key (now sets & lamp button as illuminating lamp button), then open the illuminating lamp in oven, shorter this key of pressing, then close in oven
Illuminating lamp；2, pressing this key (more than 3 seconds) for a long time, be then that meter parameter is arranged, opening/stopping now reforms into timing button
Setting the increase and decrease button of numerical value, a key is multiplex.Thus can sequentially set face fire and fire in a stove before fuel is added set-point, alarming value (trip value according to
Engine request calculates and obtains) and the setting value of timing.Press setting & lamp button enter when arranging state or increasing, subtract after key 5
Second not operation, instrument is by auto-returned.
Additionally, range of application of the present utility model be not limited to the technique of specific embodiment described in description, mechanism,
Manufacture, material composition, means, method and step.From disclosure of the present utility model, as those of ordinary skill in the art
Will readily appreciate that, for the technique having existed at present or will having developed later, mechanism, manufacture, material composition, means,
Method or step, wherein they perform the function that is substantially the same of corresponding embodiment that describes with this utility model or acquisition substantially
They can be applied by identical result according to this utility model.Therefore, this utility model claims be intended to by
These techniques, mechanism, manufacture, material composition, means, method or step are included in its protection domain.
Claims (8)
1. novel foodstuff monolayer electric oven temperature intelligent control instrument, including housing and the panel being arranged on housing, is characterized in that,
Also include thermocouple, thermocouple input circuit, variable connector, differential amplifier circuit, A/D converter, single-chip microcomputer, control button,
Memory circuitry, display driver circuit, charactron, electric oven control circuit and display lamp；Described thermocouple includes 2 tunnel K-type heat
Galvanic couple, 2 tunnel K-type thermocouples are separately positioned on electric oven inner top and bottom, and the outfan of K-type thermocouple sequentially passes through thermocouple
Input circuit, variable connector, differential amplifier circuit are connected with the input of single-chip microcomputer with A/D converter, and described single-chip microcomputer is respectively
Being connected with controlling button, memory circuitry, display driver circuit, electric oven control circuit and display lamp, described display drives electricity
The outfan on road is connected with the gating end of charactron, and described charactron includes 12 LED charactrons.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 1, is characterized in that, on described panel
It is provided with controller marked area, fire viewing area, face, fire in a stove before fuel is added viewing area, time display district and key zone, described controller marked area
Being arranged on the upper end of panel, described fire viewing area, face, fire in a stove before fuel is added viewing area and time display district are arranged on the middle part of panel, described
Key zone is arranged on the lower end of panel；Power supply indicator and communication display lamp, described fire display it is additionally provided with on described panel
District is provided with face fire temperature display charactron, face fire definite value display lamp dough-making powder fire alarm lamp, and described fire in a stove before fuel is added viewing area is arranged
Having fire in a stove before fuel is added temperature display charactron, fire in a stove before fuel is added definite value display lamp and fire in a stove before fuel is added alarm lamp, described time display district is provided with timing
Time showing charactron and timing definite value display lamp；Described key zone be provided with the first multifunction push key, the second multifunction push key,
3rd multifunction push key, relay indicating light, timing indicator, function set display lamp, increment display lamp and decrement display lamp, institute
State the first multifunction push key include start and stop button or increment button, described second multifunction push key include timing button or decrement by
Key, described 3rd multifunction push key includes that function sets button or illuminating lamp button；Described face fire temperature display charactron, the end
Fire temperature display charactron and timing display charactron are 4 LED charactrons.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 2, is characterized in that, described electric oven
Control circuit includes 2 road silicon controlled control circuits, No. 2 control relay circuits and 1 road illumination control circuit；2 road controllable silicon controls
Circuit processed adds heat pipe be arranged on electric oven inner top and bottom 2 respectively and is connected, in order to chain of command fire and fire in a stove before fuel is added temperature；2
Road control relay circuit is connected with face fire alarm lamp and fire in a stove before fuel is added alarm lamp respectively, is used for carrying out face fire and the fire in a stove before fuel is added surpasses
Temperature is reported to the police；1 road illumination control circuit is connected with electric oven intraoral illumination lamp.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 3, is characterized in that, SCR control
Circuit includes BTA41600B controllable silicon.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 1, is characterized in that, described multichannel is opened
Pass includes that CD4052 variable connector, described differential amplifier circuit include that LM324 operational amplifier, described A/D converter include
ICL7135 analog-digital converter, described single-chip microcomputer includes that ST series monolithic, described memory circuitry include that AT2402 stores
Chip, described display driver circuit includes ZLG7289 display driver chip.
6. according to the novel foodstuff monolayer electric oven temperature intelligent control instrument described in claim 1 to 5 any one, its feature
It is also to include that signalling channel automatic adjustment circuit circuit and cold junction temperature testing circuit, described signalling channel zero point are mended automatically
Repay circuit to be connected with variable connector respectively with cold junction temperature testing circuit.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 6, is characterized in that, also include
RS485 communicating circuit, described RS485 communicating circuit is connected with single-chip microcomputer.
Novel foodstuff monolayer electric oven temperature intelligent control instrument the most according to claim 7, is characterized in that, also include photoelectricity
Isolation circuit, described RS485 communicating circuit is connected with single-chip microcomputer by photoelectric isolating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715541.7U CN205827275U (en) | 2016-07-07 | 2016-07-07 | Novel foodstuff monolayer electric oven temperature intelligent control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715541.7U CN205827275U (en) | 2016-07-07 | 2016-07-07 | Novel foodstuff monolayer electric oven temperature intelligent control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205827275U true CN205827275U (en) | 2016-12-21 |
Family
ID=57565779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715541.7U Expired - Fee Related CN205827275U (en) | 2016-07-07 | 2016-07-07 | Novel foodstuff monolayer electric oven temperature intelligent control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205827275U (en) |
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2016
- 2016-07-07 CN CN201620715541.7U patent/CN205827275U/en not_active Expired - Fee Related
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