CN202502373U - Control system circuit of electric oven - Google Patents
Control system circuit of electric oven Download PDFInfo
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- CN202502373U CN202502373U CN2012200866829U CN201220086682U CN202502373U CN 202502373 U CN202502373 U CN 202502373U CN 2012200866829 U CN2012200866829 U CN 2012200866829U CN 201220086682 U CN201220086682 U CN 201220086682U CN 202502373 U CN202502373 U CN 202502373U
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Abstract
The utility model discloses a control system circuit of an electric oven, which comprises a main control circuit, a touch key control circuit, a temperature detection circuit, a display output circuit and a control output circuit. The control system circuit is characterized by also comprising a power off memory circuit used for storing operation information which is inputted to the main control circuit by the touch key control circuit, wherein the power off memory circuit is provided with a trigger input end and an information read-write end, the trigger input end of the power off memory circuit is connected with a trigger output end of the main control circuit, and the information read-write end of the power off memory circuit is connected with a communication end of the main control circuit. The power off memory circuit is additionally arranged in the control system circuit of the electric oven, a gear mode of the current work of the electric oven and parameters such as temperature set values and the like corresponding to the gear mode set by a user can be stored; and when the electric oven is powered off and then restarted, the main control circuit can read relevant setting information stored in the power off memory circuit and continuously work, the user does not need to reset the working parameters of the electric oven, thus operation automation of the electric oven is increased.
Description
Technical field
The utility model relates to the control system circuit of a kind of control circuit, particularly a kind of electric oven.
Background technology
Electric oven is the electric heating appliance that the radiation heat that utilizes heating to send comes baked goods, mainly is made up of casing, heating, convection current motor, cooling motor etc.Traditional electric oven generally all has temperature control, function control and three control modules of timing controlled; These three control module great majority are to adopt mechanical switch to operate separately and control respectively, and, in order to show the baking box current working state; Around operating switch, also be printed on the mark of display operation unit work at present state; These marks adopt the design of panel silk-screen more, but the mark displaying contents of this panel silk-screen design is limited, can't realize interactive operation.
In order to realize human-computer interaction better, I am that the Chinese invention patent " a kind of control circuit of oven " of ZL200910223137.2 discloses a kind of control circuit of oven in the patent No. of first to file, include governor circuit; Power circuit; Signal input circuit; Temperature sensing circuit; Display output circuit and controlling output circuit; It is characterized in that: also comprise the function setting circuit, but the functional switch that the input end of this function setting circuit is regulated through signal wire and mechanical type links to each other; Temperature setting circuit, but the temperature switch that the input end of this temperature setting circuit is regulated through signal wire and mechanical type links to each other.This patent adopts the functional switch of mechanically actuated mode to be connected through the display circuit of function setting circuit with temperature setting circuit and contact type panel respectively with temperature switch; Make each function choosing-item of functional switch and the desired temperature of temperature switch directly on LCDs, to show, and can realize man-machine interaction through the liquid crystal display of contact type panel.
But; If the baking box of above-mentioned patent is in use like sudden power; Then energising back just can't continue according to before the functional mode that configures work on; But need reset original operating parameter (like heat time heating time, heating-up temperature or heating mode etc.), cause the inconvenience in the use; And, in actual use, sometimes can not fasten or under the situation that door is not locked, just start power switch in oven door, be easy to damage baking box, even it is unexpected that safety takes place, and therefore, also is necessary existing baking box further improvement.
The utility model content
The utility model technical matters to be solved is to above-mentioned prior art present situation a kind of electric oven control system circuit that need not after outage, to reset functional parameter to be provided; It is convenient that this control system circuit makes that electric oven uses, and guarantees that the electric oven behind the power-off restarting can work on by original mode of operation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of control system circuit of electric oven includes
Governor circuit; Have power input, touch key-press signal input part, temperature sampling input end, temperature control end, shows signal output terminal and control signal output ends; This governor circuit is used to receive and handle the information of each input end, and is through the pattern of described shows signal output terminal output or letter signal with through the control signal of said control signal output ends output with this information translation;
Power circuit is connected the power input of said governor circuit, is used for WV to this governor circuit being provided;
The touch key-press control circuit; This touch key-press control circuit is used to detect the induced signal by the touch key-press input; And converting this induced signal into can supply said governor circuit to handle input signal, the touch key-press signal input part of the output terminal of said touch key-press control circuit and said governor circuit links to each other;
Temperature sensing circuit; Be used to detect the working temperature of baking box; Include input end, output terminal and FEEDBACK CONTROL end, wherein, the input end of said temperature sensing circuit is connected with temperature sensor; The temperature sampling input end of the output terminal of this temperature sensing circuit and said governor circuit links to each other, and the FEEDBACK CONTROL end of this temperature sensing circuit and the temperature control end of said governor circuit link to each other;
Display output circuit is used for display pattern or Word message, and the shows signal output terminal of the input end of this display circuit and said governor circuit links to each other, and the output terminal of this display circuit is connected with the LCDs that can show said pattern or letter signal;
Controlling output circuit, the control signal output ends of its input end and said governor circuit links to each other, and this controlling output circuit reaches under the working temperature and the state of time of setting at baking box, controls this baking box and quits work;
It is characterized in that: also include circuit-breaking memory circuit; Be used to store the operation information that is inputed to said governor circuit by the touch key-press control circuit, wherein, described circuit-breaking memory circuit has the input end of triggering and Card read/write end; Correspondingly; Said governor circuit has the output terminal of triggering and communication ends, and the triggering input end of said circuit-breaking memory circuit and the triggering output terminal of said governor circuit link to each other, and the Card read/write end of said circuit-breaking memory circuit and the communication ends of said governor circuit link to each other.
Described circuit-breaking memory circuit can be various types of memory of the prior art; As preferably; Simply, described circuit-breaking memory circuit includes the storage chip that a model is 24C02, and described storage chip has eight pins; First pin to the, four pins of this storage chip connect back one tunnel ground connection altogether, and another road first electric capacity connects positive source; The 5th pin of this storage chip is described Card read/write end, and the communication ends of the 5th pin one road and said governor circuit links to each other, and another road first resistance connects described positive source; The 6th pin of this storage chip is described triggering input end, and the triggering output terminal of the 6th pin one road and said governor circuit links to each other, another road second resistance and described positive source; The 7th pin ground connection of said storage chip, the 8th pin of this storage chip connects described positive source.So; After the triggering input end of storage chip receives trigger pip; Can control this storage chip and realize the storage of baking box function information or read, make baking box after outage is restarted, need not manually to be provided with again the parameters such as gear pattern and corresponding desired temperature of baking box work; Baking box can work on according to predefined pattern, manipulates convenient.
In order to improve safety in utilization and reliability; As preferably; Described control system circuit also includes gate door lock control circuit; This gate door lock control circuit includes gated detection circuit and door lock testing circuit, and described governor circuit has the first detection input end that connects the gated detection circuit and is connected the second detection input end of door lock testing circuit; Wherein, Described gated detection circuit includes first plug receptacle, the 9th resistance, the tenth resistance and the 4th electric capacity; Described first plug receptacle is connected with and is used for the first sensor whether detecting gate closes; First terminals of this first plug receptacle connect first of said governor circuit through the 9th resistance one tunnel and detect input end; Another Lu Jingdi ten resistance connect positive source, and second terminals one tunnel of described first plug receptacle connect first of said governor circuit through the 4th electric capacity and detect input end, another road ground connection; Described door lock testing circuit includes second plug receptacle, the 11 resistance, the 12 resistance and the 5th electric capacity; Described second plug receptacle is connected with and is used for second sensor whether detecting gate locks; First terminals of this second plug receptacle connect second of said governor circuit through the 11 resistance one tunnel and detect input end; Another Lu Jingdi 12 resistance connect positive source; Second terminals one tunnel of said second plug receptacle connect second of said governor circuit through the 5th electric capacity and detect input end, another road ground connection.Whether can detect the door of electric oven closes and locks through gate door lock control circuit; Have only when the first input end of governor circuit and second input end have the detection signal input simultaneously; Explain that oven door closes and lock, at this moment, baking box just can normally start power supply; Avoided baking box normally do not close or locking state under work, improved safety in utilization and reliability.
Consider that LCD Panel brightness can be made corresponding adjusting under the different environments for use; Reaching the effect of energy-conserving and environment-protective, as preferably, described control system circuit also includes the brightness of display screen adjustable control circuit; Correspondingly; Said governor circuit has the adjustable brightness control end, and described brightness of display screen adjustable control circuit includes triode, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, first light emitting diode and second light emitting diode, wherein; The emitter of said triode connects positive source; The base stage one tunnel of this triode connects described positive source through the 3rd resistance, and another Lu Jingdi four resistance connect the adjustable brightness control end of said governor circuit, and the collector one tunnel of this triode links to each other through the positive pole of the 5th resistance and said first light emitting diode; The positive pole of another Lu Jingdi six resistance and second light emitting diode links to each other, and the negative pole of the negative pole of said first light emitting diode and second light emitting diode is ground connection respectively.So through the pwm signal that the adjustable brightness control end of governor circuit is exported, the brightness of illumination of two light emitting diodes of control setting on display screen is realized the adjustable effect of screen intensity effectively.
For ease Long-distance Control with the operation electric oven; As preferably, described control system circuit also includes the infrared remote control receiving circuit, correspondingly; Said governor circuit has the infrared signal control input end; Described infrared remote control receiving circuit includes infrared signal receiver, the 7th resistance, the 8th resistance, second electric capacity and electrochemical capacitor, and wherein, the positive pole one tunnel of said infrared signal receiver links to each other with positive source through the 8th resistance; Another road connects the positive pole of said electrochemical capacitor, the minus earth of this electrochemical capacitor; The direct ground connection of the negative pole of said infrared signal receiver; The control end one tunnel of said infrared signal receiver links to each other through the infrared signal control input end of the 8th resistance and said governor circuit, and another road is through described second capacity earth.
Compared with prior art; The advantage of the utility model is: in control circuit of oven, increased circuit-breaking memory circuit, can store the user to parameters such as the gear pattern of baking box work at present and corresponding desired temperatures, after the baking box outage is restarted; Governor circuit can read store in the circuit-breaking memory circuit relevant and information is set and works on; The user need not again baking box to be reset running parameter, has improved the automation mechanized operation degree of baking box, and is simultaneously also convenient for users to use; Secondly; Also be provided with gate door lock control circuit; Whether the door that can detect baking box closes and whether door locks, and has guaranteed that baking box can start under the situation of correctly closing door and locking, and has improved the security that baking box uses; Avoid the generation of mishap, also guaranteed the health of roasting food simultaneously; In addition, can realize Long-distance Control and operation to baking box through the infrared remote control receiving circuit, the user controls before need not to stand in baking box always, has improved the use dirigibility.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model embodiment.
Fig. 2 is the wiring diagram of the governor circuit of the utility model embodiment.
Fig. 3 is the wiring diagram of the circuit-breaking memory circuit of the utility model embodiment.
Fig. 4 is the wiring diagram of the brightness of display screen adjustable control circuit of the utility model embodiment.
Fig. 5 is the wiring diagram of the infrared remote control receiving circuit of the utility model embodiment.
Fig. 6 is the wiring diagram of the gate door lock control circuit of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 6, be the theory diagram of the electric oven control circuit of the utility model, this baking box adopts electronic control mode, through the integral touch chain of command realize and the user between man-machine interaction, wherein, the control system circuit includes
Touch key-press control circuit 3; Be used to detect induced signal by the touch key-press input; And converting this induced signal into can supply governor circuit 1 to handle input signal, the touch key-press signal input part 12 of the output terminal of this touch key-press control circuit 3 and governor circuit 1 links to each other;
Controlling output circuit 6, the control signal output ends 16 of its input end 61 and governor circuit 1 links to each other, and reaches at baking box under the working temperature and the state of time of setting, controls this baking box and quits work;
Circuit-breaking memory circuit 7; Be used to store the operation information (like work gear pattern, heat time heating time and the corresponding desired temperature etc. of baking box) that inputs to governor circuit 1 by touch key-press control circuit 3; This circuit-breaking memory circuit 7 has input end of triggering 71 and Card read/write end 72; The triggering input end 71 of circuit-breaking memory circuit 7 links to each other with the triggering output terminal 171 of governor circuit 1, and the Card read/write end 72 of circuit-breaking memory circuit 7 links to each other with the communication ends 172 of governor circuit 1;
Gate door lock control circuit 8; Include gated detection circuit and door lock testing circuit; First of the output terminal of gated detection circuit and governor circuit 1 detects input end 181 and links to each other, and second of the output terminal of door lock testing circuit and governor circuit 1 detects input end 182 and link to each other;
Brightness of display screen adjustable control circuit 91 is realized the adjusting to brightness of display screen, and the adjustable brightness control end 191 of the input end of this brightness of display screen adjustable control circuit 91 and governor circuit 1 links to each other;
Infrared remote control receiving circuit 92; Can accept the signal that IR remote controller sends; And gear pattern, heat time heating time and the temperature setting of baking box carried out remote control setting, the infrared signal control input end 192 of the output terminal of this infrared remote control receiving circuit 92 and governor circuit 1 links to each other;
Sound out-put circuit 93, the audio signal output terminal 193 of the input end of this sound out-put circuit 93 and governor circuit 1 links to each other, and the output terminal of this sound out-put circuit 93 is connected with alarm element.
In above-mentioned each functional circuit; Wherein, Power circuit 2, touch key-press sensor circuit 3, temperature sensing circuit 4, display output circuit 5, controlling output circuit 6 and sound out-put circuit 93 all are prior aries, can adopt various circuit connection structure of the prior art to realize, are not described further at this.
It is the integrated chip U1 of Samsung S3C9484 (44QFP) that the governor circuit 1 of present embodiment adopts model, and this integrated chip U1 has 44 pins, wherein; The 5th pin of this integrated chip U1 be power input 11 (WV of integrated chip U1 for+5V); The 33rd～37 pin of this integrated chip U1 and the 17th～21 pin are touch key-press signal input part 12, and 1,12,13 and 44 pin of integrated chip U1 are temperature sampling input end 13, and 10,11 and 16 pin of integrated chip U1 are shows signal output terminal 15; 22～28 pin of integrated chip U1 be can pilot relay the control signal output ends 16 of action; 40 pin of integrated chip U1 are for triggering output terminal 171, and 39 pins of integrated chip U1 are communication ends 172, and 43 pin of integrated chip U1 are the first detection input end 181; 42 pin of integrated chip U1 are the second detection input end 182; 41 pin of integrated chip U1 are adjustable brightness control end 191, and 38,1 pin of integrated chip U1 is the key-press backlight adjustable side that can realize the adjusting backlight of touch key-press then, and 32 pin of integrated chip U1 are infrared signal control input end 192; 29～31 of integrated chip U1 is an audio signal output terminal 193; When baking box breaks down, can be connected with sound out-put circuit 93 corresponding input ends, be used to control alarm element and sound the alarm.
Circuit-breaking memory circuit 7 can be remembered the work gear pattern of baking box and corresponding desired temperature etc.; If run under the situation of outage; Re-power the back baking box and still can carry out work, do not need manually to reset, make baking box work intelligent more by original setting;
The circuit-breaking memory circuit 7 of present embodiment is that the storage chip U2 of 24C02 is a core with a model, and this storage chip U2 has eight pins, and it is some back one tunnel ground connection that 1～4 pin of this storage chip U2 connects altogether, another road first capacitor C, 1 connection positive source; The 5th pin of storage chip U2 is that 39 pin (communication ends 172) of Card read/write end 72, the 5 pins one road and integrated chip U1 link to each other, and another road first resistance R 1 connects positive source; The 6th pin of storage chip U2 links to each other for 40 pin (triggering output terminal 171) that trigger input end 71, the 6 pins one road and integrated chip U1, another road second resistance R 2 be connected positive source; The 7th pin ground connection of storage chip U2, the 8th pin of storage chip U2 connects positive source.
Whether gate door lock control circuit 8 can close the door of baking box and whether the door lock of baking box locks and control; This gate door lock control circuit 8 includes gated detection circuit and door lock testing circuit; Wherein, The gated detection circuit includes the first plug receptacle CN1, the 9th resistance R 9, the tenth resistance R 10 and the 4th capacitor C 4; The first plug receptacle CN1 is connected with and is used for the first sensor whether detecting gate closes, and first terminals of this first plug receptacle CN1 are through 43 pin (first detects input end 181) of the 9th resistance R 9 one tunnel connection integrated chip U1, and another Lu Jingdi ten resistance R 10 connect positive sources; Second terminals one tunnel of the first plug receptacle CN1 are through 43 pin (first detects input end 181) of the 4th capacitor C 4 connection integrated chip U1, another road ground connection;
The door lock testing circuit includes the second plug receptacle CN2, the 11 resistance R the 11, the 12 resistance R 12 and the 5th capacitor C 5; The second plug receptacle CN2 is connected with and is used for second sensor whether detecting gate locks; First terminals of this second plug receptacle CN2 connect 42 pin (second detects input end 182) of integrated chip U1 through the 11 resistance R 11 one tunnel; Another Lu Jingdi 12 resistance R 12 connect positive source; Second terminals one tunnel of the second plug receptacle CN2 are through 42 pin (second detects input end 182) of the 5th capacitor C 5 connection integrated chip U1, another road ground connection.
Brightness of display screen adjustable control circuit 91 can be adjusted the brightness of display screen; To adapt to different working environments; Realize energy-conserving and environment-protective; This brightness of display screen adjustable control circuit 91 includes triode Q, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, first LED 1 and second LED 2; Wherein, the emitter of triode Q connects positive source, and the base stage one tunnel of this triode Q connects positive source through the 3rd resistance R 3; Another Lu Jingdi four resistance R 4 connect 41 pin (adjustable brightness control end 191) of integrated chip U1; The collector one tunnel of triode Q links to each other through the positive pole of the 5th resistance R 5 and first LED 1, and the positive pole of another Lu Jingdi six resistance R 6 and second LED 2 links to each other, and the negative pole of the negative pole of first LED 1 and second LED 2 is ground connection respectively.
For making things convenient for operated from a distance; The electric oven of present embodiment also is provided with infrared remote control receiving circuit 92; Can accept the signal that IR remote controller sends, and then the gear pattern of baking box and temperature etc. are provided with parameter carry out remote control setting, this infrared remote control receiving circuit 92 includes infrared signal receiver U3, the 7th resistance R 7, the 8th resistance R 8, second capacitor C 2 and electrochemical capacitor C3; Wherein, The positive pole one tunnel of infrared signal receiver U3 links to each other with positive source through the 8th resistance R 8, and another road connects the positive pole of electrochemical capacitor C3, the minus earth of this electrochemical capacitor C3; The direct ground connection of the negative pole of infrared signal receiver U3; The control end one tunnel of infrared signal receiver U3 links to each other another road second capacitor C, 2 ground connection through 32 pin (infrared signal control input end 192) of the 8th resistance R 8 and integrated chip U1.
The baking box control system circuit of present embodiment has been set up circuit-breaking memory circuit 7, gate door lock control circuit 8, brightness of display screen adjustable control circuit 91 and infrared remote control receiving circuit 92 in traditional control circuit; Baking box is before work; Whether can detect the fire door of baking box earlier closes and locks through gate door lock control circuit 8; Have only under the prerequisite that fire door is closed and locked, the governor circuit 1 of baking box just can start and work;
After governor circuit 1 starts; At this moment; 40 pin of integrated chip U1 (triggering output terminal 171) can send the triggering input end 71 that a trigger pip is given storage chip U2; The user is to mode of operation, heating-up temperature and the heat time heating time etc. of baking box variously being provided with the Card read/write end 72 that parameter can be transferred to storage chip U2 through 39 pin (communication ends 172) of integrated chip U1, and the information that is provided with that circuit-breaking memory circuit 7 will be correlated with is stored; After sudden power restarts baking box again; Integrated chip U1 can send the triggering input end 71 that trigger pip is given storage chip U2 once more through 40 pin (triggering output terminal 171); Then; The functional parameter (like heat time heating time, pattern, heating-up temperature etc.) that is provided with before integrated chip U1 can read from the Card read/write end 72 of storage chip U2 continues to carry out food processing according to the pattern that is provided with before.
In addition, the baking box of present embodiment can also carry out Long-distance Control, and the information such as baking box mode of operation, heating-up temperature and heat time heating time that infrared remote control receiving circuit 92 can receiving remote sends make the use of baking box not receive space constraint, and are more flexible.
Claims (5)
1. the control system circuit of an electric oven includes
Governor circuit (1); Have power input (11), touch key-press signal input part (12), temperature sampling input end (13), temperature control end (14), shows signal output terminal (15) and control signal output ends (16); This governor circuit (1) is used to receive and handle the information of each input end, and is through the pattern of described shows signal output terminal (15) output or letter signal with through the control signal of said control signal output ends (16) output with this information translation;
Power circuit (2) is connected the power input (11) of said governor circuit (1), is used for WV to this governor circuit (1) being provided;
Touch key-press control circuit (3); This touch key-press control circuit (3) is used to detect the induced signal by the touch key-press input; And converting this induced signal into can supply said governor circuit (1) to handle input signal, the touch key-press signal input part (12) of the output terminal of said touch key-press control circuit (3) and said governor circuit (1) links to each other;
Temperature sensing circuit (4); Be used to detect the working temperature of baking box; Include input end (41), output terminal (42) and FEEDBACK CONTROL end (43), wherein, the input end (41) of said temperature sensing circuit (4) is connected with temperature sensor; The output terminal (42) of this temperature sensing circuit (4) links to each other with the temperature sampling input end (13) of said governor circuit (1), and the FEEDBACK CONTROL end (43) of this temperature sensing circuit (4) links to each other with the temperature control end (14) of said governor circuit (1);
Display output circuit (5); Be used for display pattern or Word message; The shows signal output terminal (15) of input end of this display circuit (5) and said governor circuit (1) links to each other, and the output terminal of this display circuit (5) is connected with the LCDs that can show said pattern or letter signal;
Controlling output circuit (6), the control signal output ends (16) of its input end (61) and said governor circuit (1) links to each other, and this controlling output circuit (6) reaches under the working temperature and the state of time of setting at baking box, controls this baking box and quits work;
It is characterized in that: also include circuit-breaking memory circuit (7); Be used for storage is inputed to said governor circuit (1) by touch key-press control circuit (3) operation information; Wherein, Described circuit-breaking memory circuit (7) has triggering input end (71) and Card read/write end (72), and correspondingly, said governor circuit (1) has triggering output terminal (171) and communication ends (172); The triggering input end (71) of said circuit-breaking memory circuit (7) links to each other with the triggering output terminal (171) of said governor circuit (1), and the Card read/write end (72) of said circuit-breaking memory circuit (7) and the communication ends (172) of said governor circuit (1) link to each other.
2. the control system circuit of electric oven according to claim 1; It is characterized in that: described circuit-breaking memory circuit (7) includes the storage chip that a model is 24C02 (U2); Described storage chip (U2) has eight pins; First pin to the, four pins of this storage chip (U2) connect back one tunnel ground connection altogether, and another road first electric capacity (C1) connects positive source; The 5th pin of this storage chip (U2) is described Card read/write end (72), and the communication ends (172) of the 5th pin one road and said governor circuit (1) links to each other, and another road first resistance (R1) connects described positive source; The 6th pin of this storage chip (U2) is described triggering input end (71), and the triggering output terminal (171) of the 6th pin one road and said governor circuit (1) links to each other, another road second resistance (R2) and described positive source; The 7th pin ground connection of said storage chip (U2), the 8th pin of this storage chip (U2) connects described positive source.
3. the control system circuit of electric oven according to claim 1; It is characterized in that: described control system circuit also includes gate door lock control circuit (8); This gate door lock control circuit (8) includes gated detection circuit and door lock testing circuit, and described governor circuit (1) has the first detection input end (181) that connects the gated detection circuit and is connected the second detection input end (182) of door lock testing circuit;
Wherein, Described gated detection circuit includes first plug receptacle (CN1), the 9th resistance (R9), the tenth resistance (R10) and the 4th electric capacity (C4); Described first plug receptacle (CN1) is connected with and is used for the first sensor whether detecting gate closes; First terminals of this first plug receptacle (CN1) connect first of said governor circuit (1) through the 9th resistance (R9) one tunnel and detect input end (181); Another Lu Jingdi ten resistance (R10) connect positive source, and second terminals one tunnel of described first plug receptacle (CN1) connect first of said governor circuit (1) through the 4th electric capacity (C4) and detect input end (181), another road ground connection;
Described door lock testing circuit includes second plug receptacle (CN2), the 11 resistance (R11), the 12 resistance (R12) and the 5th electric capacity (C5); Described second plug receptacle (CN2) is connected with and is used for second sensor whether detecting gate locks; First terminals of this second plug receptacle (CN2) connect second of said governor circuit (1) through the 11 resistance (R11) one tunnel and detect input end (182); Another Lu Jingdi 12 resistance (R12) connect positive source; Second terminals one tunnel of said second plug receptacle (CN2) connect second of said governor circuit (1) through the 5th electric capacity (C5) and detect input end (182), another road ground connection.
4. the control system circuit of electric oven according to claim 1; It is characterized in that: described control system circuit also includes brightness of display screen adjustable control circuit (91); Correspondingly; Said governor circuit (1) has adjustable brightness control end (191); Described brightness of display screen adjustable control circuit (91) includes triode (Q), the 3rd resistance (R3), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6), first light emitting diode (LED1) and second light emitting diode (LED2); Wherein, the emitter of said triode (Q) connects positive source, and the base stage one tunnel of this triode (Q) connects described positive source through the 3rd resistance (R3); Another Lu Jingdi four resistance (R4) connect the adjustable brightness control end (191) of said governor circuit (1); The collector one tunnel of this triode (Q) links to each other through the positive pole of the 5th resistance (R5) and said first light emitting diode (LED1), and the positive pole of another Lu Jingdi six resistance (R6) and second light emitting diode (LED2) links to each other, and the negative pole of the negative pole of said first light emitting diode (LED1) and second light emitting diode (LED2) is ground connection respectively.
5. the control system circuit of electric oven according to claim 1; It is characterized in that: described control system circuit also includes infrared remote control receiving circuit (92); Correspondingly, said governor circuit (1) has infrared signal control input end (192), and described infrared remote control receiving circuit (92) includes infrared signal receiver (U3), the 7th resistance (R7), the 8th resistance (R8), second electric capacity (C2) and electrochemical capacitor (C3); Wherein, The positive pole one tunnel of said infrared signal receiver (U3) links to each other with positive source through the 8th resistance (R8), and another road connects the positive pole of said electrochemical capacitor (C3), the minus earth of this electrochemical capacitor (C3); The direct ground connection of negative pole of said infrared signal receiver (U3); The control end one tunnel of said infrared signal receiver (U3) links to each other through the infrared signal control input end (192) of the 8th resistance (R8) and said governor circuit (1), and another road is through described second electric capacity (C2) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200866829U CN202502373U (en) | 2012-03-08 | 2012-03-08 | Control system circuit of electric oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200866829U CN202502373U (en) | 2012-03-08 | 2012-03-08 | Control system circuit of electric oven |
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| CN202502373U true CN202502373U (en) | 2012-10-24 |
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| CN2012200866829U Withdrawn - After Issue CN202502373U (en) | 2012-03-08 | 2012-03-08 | Control system circuit of electric oven |
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| CN102591240A (en) * | 2012-03-08 | 2012-07-18 | 宁波吉盛电器有限公司 | Control system circuit of electric oven |
| CN102982721A (en) * | 2012-12-13 | 2013-03-20 | 重庆大学 | Experiment teaching device capable of controlling temperature feedback of oven automatically |
| CN105030071A (en) * | 2015-09-15 | 2015-11-11 | 法兰克福投资（北京）有限公司 | Full-automatic coffee machine brewing device based on fresh milk |
| CN106128370A (en) * | 2016-08-31 | 2016-11-16 | 上海伟世通汽车电子***有限公司 | The temperature protective device of vehicle-mounted TFT panel type display and method |
| CN107831689A (en) * | 2017-10-31 | 2018-03-23 | 惠州鼎宝金属制品有限公司 | A kind of intelligence control system for oven |
| CN108497004A (en) * | 2018-06-04 | 2018-09-07 | 平顶山市迈思达机械设备制造有限公司 | A kind of fully automatic electric baking pan |
| CN110604474A (en) * | 2018-06-14 | 2019-12-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance control method and system and cooking appliance |
| WO2020007284A1 (en) * | 2018-07-02 | 2020-01-09 | 青岛海尔智慧厨房电器有限公司 | Electric appliance and method of operating same in safety critical operation |
-
2012
- 2012-03-08 CN CN2012200866829U patent/CN202502373U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591240A (en) * | 2012-03-08 | 2012-07-18 | 宁波吉盛电器有限公司 | Control system circuit of electric oven |
| CN102982721A (en) * | 2012-12-13 | 2013-03-20 | 重庆大学 | Experiment teaching device capable of controlling temperature feedback of oven automatically |
| CN102982721B (en) * | 2012-12-13 | 2015-02-04 | 重庆大学 | Experiment teaching device capable of controlling temperature feedback of oven automatically |
| CN105030071A (en) * | 2015-09-15 | 2015-11-11 | 法兰克福投资（北京）有限公司 | Full-automatic coffee machine brewing device based on fresh milk |
| CN106128370A (en) * | 2016-08-31 | 2016-11-16 | 上海伟世通汽车电子***有限公司 | The temperature protective device of vehicle-mounted TFT panel type display and method |
| CN107831689A (en) * | 2017-10-31 | 2018-03-23 | 惠州鼎宝金属制品有限公司 | A kind of intelligence control system for oven |
| CN108497004A (en) * | 2018-06-04 | 2018-09-07 | 平顶山市迈思达机械设备制造有限公司 | A kind of fully automatic electric baking pan |
| CN110604474A (en) * | 2018-06-14 | 2019-12-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance control method and system and cooking appliance |
| WO2020007284A1 (en) * | 2018-07-02 | 2020-01-09 | 青岛海尔智慧厨房电器有限公司 | Electric appliance and method of operating same in safety critical operation |
| US11847010B2 (en) | 2018-07-02 | 2023-12-19 | Haier Us Appliance Solutions, Inc. | Appliance and methods for operating same in a safety-critical operation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121024 Effective date of abandoning: 20130828 |
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| RGAV | Abandon patent right to avoid regrant |