CN202059611U - Power rapid adjusting device of induction cooker circuit board - Google Patents
Power rapid adjusting device of induction cooker circuit board Download PDFInfo
- Publication number
- CN202059611U CN202059611U CN2010206753844U CN201020675384U CN202059611U CN 202059611 U CN202059611 U CN 202059611U CN 2010206753844 U CN2010206753844 U CN 2010206753844U CN 201020675384 U CN201020675384 U CN 201020675384U CN 202059611 U CN202059611 U CN 202059611U
- Authority
- CN
- China
- Prior art keywords
- pin
- circuit
- signal processing
- processing chip
- current
- 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
- Control Of Stepping Motors (AREA)
Abstract
The utility model relates to a power rapid adjusting device of an induction cooker circuit board, comprising a voltage detecting module, a current detecting module, and a detection adjusting module. The detection adjusting module comprises a signal processing chip and a step motor, the input ends of the voltage detecting module and the current detecting module are connected with the output ends of a constant voltage source and a constant current source respectively, and the output ends of the voltage detecting module and the current detecting module are connected with an input end of the signal processing chip separately. The output end of the signal processing chip is connected with a control signal input end of the step motor, the output end of the step motor is connected with a control input end of the current detecting module, and a current detecting signal is generated by the constant current source actively; the current detecting signal is operated by the signal processing chip, the amplifying gain of the current detection is controlled by the step motor to form a structure of a closed loop adjusting control. By using the power rapid adjusting device of the induction cooker circuit board of the utility model, a precise calibration of the induction cooker output power can be realized, and the power rapid adjusting device of the induction cooker circuit board has the advantages of being fast, precise and reliable, simple operation and high automation degree.
Description
Technical field
The utility model relates to a kind of power fast adjuster, particularly a kind of power fast adjuster of electromagnetic oven circuit plate.Belong to the industrial control technology field.
Background technology
At present, advantage such as electromagnetic oven is energy-conservation owing to having, quick, easy to use is subjected to users' welcome, and the huge numbers of families that come into city and rural area rapidly, becomes well received kitchen cooking implement, is a beautiful nova of electrical appliance industry.
According to the circuit theory of electromagnetic oven, power output stably is controlled within the scope works, be its safe and reliable importance.In the prior art, the power of electromagnetic oven is controlled and proofreaied and correct generally in the following ways: the circuit board of electromagnetic oven is provided with a voltage detection module and a current detection module, detect magnitude of voltage and current value under the various states of electromagnetic oven respectively, obtain the complete machine power of electromagnetic oven by these two value computings.Generally can be provided with an adjustable resistance, be used to proofread and correct the complete machine power of electromagnetic oven, its power output stably is controlled within the scope at current detection module.Its method of proofreading and correct electromagnetic oven output power is to allow electromagnetic oven connect the 220V civil power, allowing electromagnetic oven be under the maximum power state works, by the power output of observing electromagnetic oven at power meter, the manual adjustments adjustable resistance is controlled within the scope power of electromagnetic oven.But because there is the situation of voltage fluctuation in civil power, fluctuation along with civil power, it is undesirable to use said method to proofread and correct the power output effect of electromagnetic oven in batches, the benchmark of proofreading and correct is not because the relation of voltage fluctuation is in a suitable position, and emergent power probability bigger than normal or less than normal is very high in actual use.Recently people's introducing source of stable pressure one by one comes corrected power, and civil power comes burning voltage by source of stable pressure earlier, gives the power supply of electromagnetic oven circuit plate again, in the hope of overcoming the influence of mains fluctuation.Introduced voltage source, though can solve the destabilizing factor of voltage detection module, can improve the qualification rate of product, but still there are the following problems in the practical application: the adjustable resistance that 1, is used for corrected power is by manual observation power meter manual adjustments, there is certain blindness, and inefficiency.2, electromagnetic oven power output in the process of work can fluctuate along with the vibration of circuit, is not a static relatively stationary value, is not easy to judge whether to be in zone of reasonableness, and certain False Rate is arranged.
In sum, for the capability correction of electromagnetic oven, need a kind of reliable and practical automated power adjusting device to solve above problem.
The utility model content
The purpose of this utility model, be to have problems such as low, the easy generation erroneous judgement of efficient for the capability correction that solves electromagnetic oven circuit plate of the prior art, a kind of power fast adjuster of electromagnetic oven circuit plate is provided, realizes accurate correction electromagnetic oven output power; Also have simultaneously fast, precisely, reliably, simple to operate, the characteristics that automaticity is high.
The purpose of this utility model can reach by following measure:
A kind of power fast adjuster of electromagnetic oven circuit plate, its design feature is: comprise voltage detection module, current detection module and detection adjustment module; Detect adjustment module and comprise signal processing chip and stepping motor, the input of voltage detection module, the input of current detection module connect the output of constant pressure source, constant-current source respectively, the output of voltage detection module, the output of current detection module connect an input of signal processing chip respectively, the output of signal processing chip connects the Stepping Motor Control signal input part, and the output of stepping motor connects the control input end of current detection module; Initiatively produce current detection signal by constant-current source,,, constitute the structure of closed-loop adjustment control by the gain amplifier of step motor control current detecting by the signal processing chip computing.
The purpose of this utility model can also reach by following measure:
A kind of execution mode of the present utility model is:
1) described current detection module is connected in sequence by current signal Acquisition Circuit, reverse scale operation circuit, current signal shaping circuit and current signal dividing potential drop correcting circuit;
2) described detection adjustment module comprises chip crystal oscillating circuit, chip reset circuit, signal processing chip, stepper motor driving circuit; Signal processing chip is connected with chip crystal oscillating circuit, chip reset circuit, stepper motor driving circuit respectively;
3) output of the current signal dividing potential drop correcting circuit in one of input of the signal processing chip in the described detection adjustment module and the described current detection module is connected; Two of the input of described signal processing chip is connected with the output of voltage detection module; The sliding end of the adjustable resistance in the rotor of the stepping motor in the described stepper motor driving circuit and the current signal dividing potential drop correcting circuit is connected, thus the gain amplifier of the sliding end position feedback regulation current detection circuit of the rotor control adjustable resistance by stepping motor.
In the practical application, the input termination constant pressure source of voltage detection module, the input termination constant-current source of current detection module.
A kind of execution mode of the present utility model is: described current signal Acquisition Circuit by external dc constant current power supply import, constantan wire R3 is formed by connecting; The end that the dc constant current power supply positive pole meets constantan wire R3 forms current detection signal, the dc constant current power supply negative pole connect constantan wire R3 the other end and with the 5V network altogether.
A kind of execution mode of the present utility model is: described reverse scale operation circuit is imported by external 5V insulating power supply, proportion resistor R8, R9, and compensating resistance R2, filter capacitor C6, integrating capacitor C8, operational amplifier OP1 is formed by connecting; The negative input end of operational amplifier OP1 respectively with resistance R 8, R9, the end of capacitor C 6, C8 connects, the positive input terminal of operational amplifier OP1 is connected with an end of resistance R 2, R2 other end ground connection, the output connecting resistance R8 of operational amplifier OP1, the other end of capacitor C 8, and J26 is connected with resistance R, and another pin of R9 connects current signal input, another pin ground connection of C6.
A kind of execution mode of the present utility model is: described current signal shaping circuit is formed by connecting by resistance R J26, diode D01, electrochemical capacitor EC3; The signal output of resistance R J26 one termination operational amplifier OP1, the other end is connected with the A utmost point of diode D01, and the K utmost point of diode D01 connects the anodal of electrochemical capacitor EC1 and is connected the minus earth of electrochemical capacitor EC1 with adjustable resistance VR1 one end.
A kind of execution mode of the present utility model is: described current signal dividing potential drop correcting circuit is formed by connecting by adjustable resistance VR1, divider resistance R103, current-limiting resistance R104, filter capacitor C10; The output of the signal of adjustable resistance VR1 one terminating diode D01, the other end is connected with resistance R 103, and sliding end is connected with current-limiting resistance R104 one end, and the current-limiting resistance R104 other end is connected with signal processing chip and capacitor C 1, C10 respectively; Capacitor C 1, the C10 other end be ground connection respectively.
A kind of execution mode of the present utility model is: described chip crystal oscillating circuit is by crystal oscillator ZTA1, and oscillating capacitance C23, C24 connect to form; Two pin of crystal oscillator ZTA1 are connected with signal processing chip respectively, and are connected with the end of capacitor C 23, C24, and another pin of capacitor C 23, C24 is ground connection respectively.
A kind of execution mode of the present utility model is: described chip reset circuit is connected to form by resistance R 22, capacitor C 22; Resistance R 22 1 ends are connected with 5V, and its other end is connected with capacitor C 22 1 ends, and is connected with signal processing chip, and capacitor C 22 other ends are by ground.
A kind of execution mode of the present utility model is: described signal processing chip is AT1, the 48th pin of signal processing chip links to each other with voltage detection module, the 44th pin of signal processing chip links to each other with current detection module, the 22nd pin of signal processing chip, the 23rd pin links to each other with crystal oscillating circuit, the 20th pin of signal processing chip links to each other with the chip reset circuit, the 3rd pin of signal processing chip, the 5th pin, the 7th pin, the 9th pin links to each other with stepper motor driving circuit, the 21st pin of signal processing chip, the 52nd pin, the 62nd pin, the 64th pin links to each other with 5V respectively, the 22nd pin of signal processing chip, the 53rd pin, the 63rd pin links to each other with ground respectively.
A kind of execution mode of the present utility model is: described stepper motor driving circuit is connected to form by integrated circuit U11, stepping motor M1; The 1st pin of integrated circuit U11, the 2nd pin links to each other with the 3rd pin of signal processing chip, the 3rd pin of integrated circuit U11, the 4th pin links to each other with the 5th pin of signal processing chip 7, the 5th pin of integrated circuit U11, the 6th pin links to each other with the 7th pin of signal processing chip, the 7th pin of integrated circuit U11, the 8th pin links to each other with the 9th pin of signal processing chip, the 11st pin of integrated circuit U11, the 12nd pin connects a end of stepping motor, the 13rd pin of integrated circuit U11, the 14th pin connects the b end of stepping motor, the 15th pin of integrated circuit U11, the 16th pin connects the c end of stepping motor, the 17th pin of integrated circuit U11, the 18th pin connects the d end of stepping motor, the 10th pin of integrated circuit U11 respectively with 5V, the X end of stepping motor, the Y end links to each other the 9th pin ground connection of integrated circuit U11.
The beneficial effects of the utility model are:
The utility model adopts constant-current source initiatively to produce current detection signal, after the signal processing chip computing, with the gain amplifier of step motor control current detecting, meets the structure of closed-loop control, reaches good current correction effect.Because current detection signal produces by constant-current source, reference signal is stable, the current signal consistency that flows through constantan wire is fine, because after current signal was handled through amplification, rectification, filtering, several steps of dividing potential drop, deliver in the chip and carry out computing, control the angle that turns to and rotate of high accuracy stepping motor, regulate the position of adjustable resistance VR1 sliding end with operation result with voltage signal, change the resistance of adjustable resistance VR1, realize the accurate correction of electromagnetic oven output power.Whole corrected power device is quick, accurate, reliable, simple to operate, the automaticity height.
Description of drawings
Fig. 1 is the structured flowchart of the utility model specific embodiment.
Fig. 2 is the circuit theory diagrams of the utility model specific embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Specific embodiment 1:
See figures.1.and.2, present embodiment comprises voltage detection module c, current detection module a and detects adjustment module b; Described current detection module a is connected in sequence by current signal Acquisition Circuit 1, reverse scale operation circuit 2, current signal shaping circuit 3 and current signal dividing potential drop correcting circuit 4; Described detection adjustment module b comprises chip crystal oscillating circuit 5, chip reset circuit 6, signal processing chip 7, stepper motor driving circuit 8; Signal processing chip 7 is connected with chip crystal oscillating circuit 5, chip reset circuit 6, stepper motor driving circuit 8 respectively.The output of the current signal dividing potential drop correcting circuit 4 among one of input of the signal processing chip 7 among the described detection adjustment module b and the described current detection module a is connected; Two of the input of described signal processing chip 7 is connected with the output of voltage detection module c; The sliding end of the adjustable resistance in the rotor of the stepping motor in the described stepper motor driving circuit 8 and the current signal dividing potential drop correcting circuit 4 is connected, thus the gain amplifier of the sliding end position feedback regulation current detection circuit a of the rotor control adjustable resistance by stepping motor.
In the practical application, the input termination constant pressure source of voltage detection module c, the input termination constant-current source of current detection module a.
With reference to Fig. 2, in the present embodiment:
Described current signal Acquisition Circuit 1 by external dc constant current power supply import, constantan wire R3 is formed by connecting.The end that the dc constant current power supply positive pole meets constantan wire R3 forms current detection signal, the dc constant current power supply negative pole connect constantan wire R3 the other end and with the 5V network altogether.
Described reverse scale operation circuit 2 is imported by external 5V insulating power supply, proportion resistor R8, R9, and compensating resistance R2, filter capacitor C6, integrating capacitor C8, operational amplifier OP1 is formed by connecting.The negative input end of operational amplifier OP1 respectively with resistance R 8, R9, the end of capacitor C 6, C8 connects, the positive input terminal of operational amplifier OP1 is connected with an end of resistance R 2, R2 other end ground connection, the output connecting resistance R8 of operational amplifier OP1, the other end of capacitor C 8, and J26 is connected with resistance R, and another pin of R9 connects current signal input, another pin ground connection of C6.
Described current signal shaping circuit 3 is formed by connecting by resistance R J26, diode D01, electrochemical capacitor EC3.The signal output of resistance R J26 one termination operational amplifier OP1, the other end is connected with the A utmost point of diode D01, and the K utmost point of diode D01 connects the anodal of electrochemical capacitor EC1 and is connected the minus earth of electrochemical capacitor EC1 with adjustable resistance VR1 one end.
Described current signal dividing potential drop correcting circuit 4 is formed by connecting by adjustable resistance VR1, divider resistance R103, current-limiting resistance R104, filter capacitor C10.The signal output of adjustable resistance VR1 one terminating diode D01, the other end is connected with resistance R 103, and sliding end is connected with current-limiting resistance R104 one end, the current-limiting resistance R104 other end respectively with the 44th pin of signal processing chip, capacitor C 1, C10 connect, and capacitor C 1, the C10 other end be ground connection respectively.
With reference to Fig. 2, in the present embodiment:
Described chip crystal oscillating circuit 5 is by crystal oscillator ZTA1, oscillating capacitance C23, C24 connect to form, two pin of crystal oscillator ZTA1 are connected with the 23rd pin, the 24th pin of signal processing chip respectively, and are connected with the end of capacitor C 23, C24, and another pin of capacitor C 23, C24 is ground connection respectively.
Described chip reset circuit 6 is connected to form by resistance R 22, capacitor C 22.Resistance R 22 1 ends are connected with 5V, and the other end is connected with capacitor C 22 1 ends, and connect the 20th pin of signal processing chip 7, and capacitor C 22 other ends are by ground.
Described signal processing chip 7 is AT1, the 48th pin of signal processing chip 7 links to each other with voltage detection module c, the 44th pin of signal processing chip 7 links to each other with current detection module, the 22nd pin of signal processing chip 7, the 23rd pin links to each other with crystal oscillating circuit 5, the 20th pin of signal processing chip 7 links to each other with chip reset circuit 6, the 3rd pin of signal processing chip 7, the 5th pin, the 7th pin, the 9th pin links to each other with stepper motor driving circuit 8, the 21st pin of signal processing chip 7, the 52nd pin, the 62nd pin, the 64th pin links to each other with 5V respectively, the 22nd pin of signal processing chip 7, the 53rd pin, the 63rd pin links to each other with ground respectively.
Described stepper motor driving circuit 8 is connected to form by integrated circuit U11, stepping motor M1; The 1st pin of integrated circuit U11, the 2nd pin links to each other with the 3rd pin of signal processing chip 7, the 3rd pin of integrated circuit U11, the 4th pin links to each other with the 5th pin of signal processing chip 7, the 5th pin of integrated circuit U11, the 6th pin links to each other with the 7th pin of signal processing chip 7, the 7th pin of integrated circuit U11, the 8th pin links to each other with the 9th pin of signal processing chip 7, the 11st pin of integrated circuit U11, the 12nd pin connects a end of stepping motor, the 13rd pin of integrated circuit U11, the 14th pin connects the b end of stepping motor, the 15th pin of integrated circuit U11, the 16th pin connects the c end of stepping motor, the 17th pin of integrated circuit U11, the 18th pin connects the d end of stepping motor, the 10th pin of integrated circuit U11 respectively with 5V, the X end of stepping motor, the Y end links to each other the 9th pin ground connection of integrated circuit U11.
Operation principle of the present utility model is as follows:
With reference to Fig. 2, during the electromagnetic oven operate as normal, carry out the current signal sampling by constantan wire R3, oppositely 2 pairs of current signals of scale operation circuit amplify, 3 pairs of current signals of current signal shaping circuit carry out rectification, filtering, final by current signal dividing potential drop correcting circuit adjustment current detection circuit output voltage, deliver to the signal processing chip of electromagnetic oven, the signal processing chip of electromagnetic oven is according to present power output gear, and detected voltage signal U and current signal I do the power output of multiplying decision current time, because constantan wire R3, all there are certain error in operational amplifier OP1 and other resistance, cause that electromagnetic oven output power is bigger than normal or less than normal, cooking effect less than normal is undesirable, the power device that damages the electromagnetic oven the inside again easily bigger than normal, so need before operate as normal, be adjusted at the power output of electromagnetic oven within the scope, just give reference data of electromagnetic oven signal processing chip, make the electromagnetic oven signal processing chip when operate as normal, judge power output by this benchmark.
With reference to Fig. 1, Fig. 2, external 220V constant pressure source is done the power supply power supply on the electromagnetic oven control board, and external constant-current source is made static power and detected, the situation during simulation electromagnetic oven operate as normal, and also current signal is stable.External detection regulating circuit detects voltage signal U and the current signal I on the electromagnetic oven control board, because external constant pressure source, constant-current source all are stable benchmark, though there is certain error in testing circuit, as long as but guarantee that voltage signal U is in set point with the product UI of current signal I, power output just can be stabilized within the scope during electromagnetic oven operate as normal, detecting regulating circuit contrasts with set point with the product UI of current signal I by voltage signal U, turning to and rotational angle of decision stepping motor realizes that the fast and accurate power of electromagnetic oven is from dynamic(al) correction.
The above; it only is the preferable specific embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all belonged to protection range of the present utility model.
Claims (10)
1. the power fast adjuster of an electromagnetic oven circuit plate is characterized in that: comprise voltage detection module (c), current detection module (a) and detect adjustment module (b); Detect adjustment module (b) and comprise signal processing chip (7) and stepping motor, the input of the input of voltage detection module (c), current detection module (a) connects the output of constant pressure source, constant-current source respectively, the output of the output of voltage detection module (c), current detection module (a) connects an input of signal processing chip (7) respectively, the output of signal processing chip (7) connects the Stepping Motor Control signal input part, and the output of stepping motor connects the control input end of current detection module (a); Initiatively produce current detection signal by constant-current source,,, constitute the structure of closed-loop adjustment control by the gain amplifier of step motor control current detecting by the signal processing chip computing.
2. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 1 is characterized in that:
1) described current detection module (a) is connected in sequence by current signal Acquisition Circuit (1), reverse scale operation circuit (2), current signal shaping circuit (3) and current signal dividing potential drop correcting circuit (4);
2) described detection adjustment module (b) comprises chip crystal oscillating circuit (5), chip reset circuit (6), signal processing chip (7), stepper motor driving circuit (8); Signal processing chip (7) is connected with chip crystal oscillating circuit (5), chip reset circuit (6), stepper motor driving circuit (8) respectively;
3) output of the current signal dividing potential drop correcting circuit (4) in one of input of the signal processing chip (7) in the described detection adjustment module (b) and the described current detection module (a) is connected; Two of the input of described signal processing chip (7) is connected with the output of voltage detection module (c); The sliding end of the adjustable resistance in the rotor of the stepping motor in the described stepper motor driving circuit (8) and the current signal dividing potential drop correcting circuit (4) is connected, thus the gain amplifier of the sliding end position feedback regulation current detection circuit (a) of the rotor control adjustable resistance by stepping motor.
3. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2 is characterized in that: described current signal Acquisition Circuit (1) by external dc constant current power supply import, constantan wire R3 is formed by connecting; The end that the dc constant current power supply positive pole meets constantan wire R3 forms current detection signal, the dc constant current power supply negative pole connect constantan wire R3 the other end and with the 5V network altogether.
4. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2, it is characterized in that: described reverse scale operation circuit (2) is imported by external 5V insulating power supply, proportion resistor R8, R9, compensating resistance R2, filter capacitor C6, integrating capacitor C8, operational amplifier OP1 is formed by connecting; The negative input end of operational amplifier OP1 respectively with resistance R 8, R9, the end of capacitor C 6, C8 connects, the positive input terminal of operational amplifier OP1 is connected with an end of resistance R 2, R2 other end ground connection, the output connecting resistance R8 of operational amplifier OP1, the other end of capacitor C 8, and J26 is connected with resistance R, and another pin of R9 connects current signal input, another pin ground connection of C6.
5. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2 is characterized in that: described current signal shaping circuit (3) is formed by connecting by resistance R J26, diode D01, electrochemical capacitor EC3; The signal output of resistance R J26 one termination operational amplifier OP1, the other end is connected with the A utmost point of diode D01, and the K utmost point of diode D01 connects the anodal of electrochemical capacitor EC1 and is connected the minus earth of electrochemical capacitor EC1 with adjustable resistance VR1 one end.
6. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2 is characterized in that: described current signal dividing potential drop correcting circuit (4) is formed by connecting by adjustable resistance VR1, divider resistance R103, current-limiting resistance R104, filter capacitor C10; The output of the signal of adjustable resistance VR1 one terminating diode D01, the other end is connected with resistance R 103, and sliding end is connected with current-limiting resistance R104 one end, and the current-limiting resistance R104 other end is connected with signal processing chip (7) and capacitor C 1, C10 respectively; Capacitor C 1, the C10 other end be ground connection respectively.
7. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2 is characterized in that: described chip crystal oscillating circuit (5) is by crystal oscillator ZTA1, and oscillating capacitance C23, C24 connect to form; Two pin of crystal oscillator ZTA1 are connected with signal processing chip (7) respectively, and are connected with the end of capacitor C 23, C24, and another pin of capacitor C 23, C24 is ground connection respectively.
8. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2 is characterized in that: described chip reset circuit (6) is connected to form by resistance R 22, capacitor C 22; Resistance R 22 1 ends are connected with 5V, and its other end is connected with capacitor C 22 1 ends, and are connected with signal processing chip (7), and capacitor C 22 other ends are by ground.
9. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 2, it is characterized in that: described signal processing chip (7) is AT1, the 48th pin of signal processing chip (7) links to each other with voltage detection module (c), the 44th pin of signal processing chip (7) links to each other with current detection module (a), the 22nd pin of signal processing chip (7), the 23rd pin links to each other with crystal oscillating circuit (5), the 20th pin of signal processing chip (7) links to each other with chip reset circuit (6), the 3rd pin of signal processing chip (7), the 5th pin, the 7th pin, the 9th pin links to each other with stepper motor driving circuit (8), the 21st pin of signal processing chip (7), the 52nd pin, the 62nd pin, the 64th pin links to each other with 5V respectively, the 22nd pin of signal processing chip (7), the 53rd pin, the 63rd pin links to each other with ground respectively.
10. the power fast adjuster of a kind of electromagnetic oven circuit plate according to claim 1 is characterized in that: described stepper motor driving circuit (8) is connected to form by integrated circuit U11, stepping motor M1; The 1st pin of integrated circuit U11, the 2nd pin links to each other with the 3rd pin of signal processing chip (7), the 3rd pin of integrated circuit U11, the 4th pin links to each other with the 5th pin of signal processing chip (7), the 5th pin of integrated circuit U11, the 6th pin links to each other with the 7th pin of signal processing chip (7), the 7th pin of integrated circuit U11, the 8th pin links to each other with the 9th pin of signal processing chip (7), the 11st pin of integrated circuit U11, the 12nd pin connects a end of stepping motor M1, the 13rd pin of integrated circuit U11, the 14th pin connects the b end of stepping motor M1, the 15th pin of integrated circuit U11, the 16th pin connects the c end of stepping motor M1, the 17th pin of integrated circuit U11, the 18th pin connects the d end of stepping motor M1, the 10th pin of integrated circuit U11 respectively with 5V, the X end of stepping motor M1, the Y end links to each other the 9th pin ground connection of integrated circuit U11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206753844U CN202059611U (en) | 2010-12-23 | 2010-12-23 | Power rapid adjusting device of induction cooker circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206753844U CN202059611U (en) | 2010-12-23 | 2010-12-23 | Power rapid adjusting device of induction cooker circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059611U true CN202059611U (en) | 2011-11-30 |
Family
ID=45019573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206753844U Expired - Fee Related CN202059611U (en) | 2010-12-23 | 2010-12-23 | Power rapid adjusting device of induction cooker circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202059611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235629A (en) * | 2012-03-30 | 2013-08-07 | 上海拜安实业有限公司 | Circuit structure capable of realizing automatic regulation and control of output power and corresponding method |
| CN105843320A (en) * | 2015-01-16 | 2016-08-10 | 佛山市顺德区美的电热电器制造有限公司 | Power calibration circuit and cooking utensil |
| CN114007293A (en) * | 2021-10-20 | 2022-02-01 | 成都利尼科医学技术发展有限公司 | Magnetron filament heating current control system |
-
2010
- 2010-12-23 CN CN2010206753844U patent/CN202059611U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235629A (en) * | 2012-03-30 | 2013-08-07 | 上海拜安实业有限公司 | Circuit structure capable of realizing automatic regulation and control of output power and corresponding method |
| CN103235629B (en) * | 2012-03-30 | 2014-12-17 | 上海拜安实业有限公司 | Circuit structure capable of realizing automatic regulation and control of output power and corresponding method |
| CN105843320A (en) * | 2015-01-16 | 2016-08-10 | 佛山市顺德区美的电热电器制造有限公司 | Power calibration circuit and cooking utensil |
| CN105843320B (en) * | 2015-01-16 | 2018-08-07 | 佛山市顺德区美的电热电器制造有限公司 | Calibration of power circuit and cooking apparatus |
| CN114007293A (en) * | 2021-10-20 | 2022-02-01 | 成都利尼科医学技术发展有限公司 | Magnetron filament heating current control system |
| CN114007293B (en) * | 2021-10-20 | 2024-03-29 | 成都利尼科医学技术发展有限公司 | Magnetron filament heating current control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104902595A (en) | Temperature control system for electronic cigarette heat-generating body | |
| CN203882224U (en) | Program-controlled constant-current source circuit | |
| CN202059611U (en) | Power rapid adjusting device of induction cooker circuit board | |
| CN103558260A (en) | Method and system for improving dynamic detection sensitivity of semiconductor resistance type gas-sensitive element | |
| CN104020437A (en) | Electric energy meter correction method | |
| CN105739650B (en) | Heat control system and calorie control method for electronic equipment | |
| CN107422268A (en) | Battery dump energy detection method | |
| CN103163382B (en) | Line resistance real-time online measuring system and method | |
| CN102946234A (en) | High-precision amplifying circuit for detecting yarn tension | |
| CN103529096B (en) | Partial pressure of oxygen sensor signal processing circuit | |
| CN203532136U (en) | Gas nozzle detection equipment for gas vehicle | |
| CN110514348A (en) | A kind of intelligent digital pressure transmitter circuit | |
| CN102914973B (en) | Electronic combined resistor for engine controller object in loop simulation test | |
| CN201340444Y (en) | Module for detecting residual voltage frequency of generator | |
| CN209624741U (en) | A kind of new energy motor is to dragging test macro | |
| CN208654282U (en) | A kind of chip-detecting apparatus | |
| CN208831214U (en) | A kind of chemigation pump control system of invariable pressure | |
| CN203605459U (en) | Directly-heated type water heater | |
| CN204721199U (en) | A kind of device detected for inverter current | |
| CN108879612B (en) | The motor radiating of pressing robot sets non-firm power and adjusts circuit | |
| CN107302321B (en) | A kind of pulse current source based on combined method | |
| CN202710649U (en) | Device for determining arc suppression coil gear based on voltage signal | |
| CN104897736B (en) | A kind of resistance-type Moisture Meter | |
| CN202906846U (en) | High-precision amplifying circuit used for yarn tension detection | |
| CN204759195U (en) | Automobile -used sensor output circuit simulates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG REAL-DESIGN INTELLIGENT TECHNOLOGY CO., Free format text: FORMER NAME: FOSHAN SHUNDE REALDESIGN ELECTRONICS INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528300 Shunde, Guangdong, Daliang Industrial Park, Fengxiang, Xiang Xiang Road, No. 1 Patentee after: GUANGDONG REAL-DESIGN INTELLIGENT TECHNOLOGY CO., LTD. Address before: 528300 Guangdong province Foshan city Shunde District Daliang Industrial Park Fengxiang Huaye Road No. 1 Patentee before: Foshan Shunde Realdesign Electronics Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |