CN201044511Y - Dual-voltage multi-temperature level controllable heater circuit - Google Patents
Dual-voltage multi-temperature level controllable heater circuit Download PDFInfo
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- CN201044511Y CN201044511Y CNU2007201209274U CN200720120927U CN201044511Y CN 201044511 Y CN201044511 Y CN 201044511Y CN U2007201209274 U CNU2007201209274 U CN U2007201209274U CN 200720120927 U CN200720120927 U CN 200720120927U CN 201044511 Y CN201044511 Y CN 201044511Y
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Abstract
A dual voltage multiple temperature threshold controllable heater circuit comprises a power supply unit, a dual voltage mode unit, a temperature detecting unit, a temperature setting unit, a narrow pulse drive controllable silicon unit, a heating unit and an integrate circuit, wherein, the integrate circuit adopts JX5061B, the heating unit is controlled by the controllable silicon, and an appropriate peripheral component is matched. Therefore, the safe, effective, quick and accurate heating is realized. The utility model is characterized by high density of integration, good reliability, good capacity of resisting disturbance, simple periphery and low price.
Description
Technical field
The utility model relates to the controlled heater circuit of the many temperature shelves of a kind of pair of voltage.
Background technology
Control circuit for heater is various informative, and application is extensive.Its bigger purposes is to be used for heater of hair straightener, the heating in the curler.Have now at the heater circuit described in the application of heater of hair straightener and curler, mainly contain two kinds of circuit, the one, adopt general-purpose device (as CD4017+LM393) to control heating, be characterized in that device selects flexibly, but that defective is the function that realizes is few, poor reliability, peripheral cell is many, the assembling trouble; Another kind is to adopt the MCU of band AD to realize, its flexible function, and good reliability, temperature control is accurate, but the cost height.
Summary of the invention
The purpose of this utility model is to provide a kind of perfect in shape and function, good reliability, the controlled heater circuit of the many temperature shelves of anti-interference strong, cheap two voltages.
The technical solution of the utility model is: a kind of pair of controlled heater circuit of the many temperature shelves of voltage comprises that power subsystem, temperature detecting unit, temperature setup unit, burst pulse drive controllable silicon unit, heater and integrated circuit;
Described power subsystem comprises that diode D1, D2, voltage stabilizing didoe D6 and peripheral cell thereof form, for entire circuit provides electric energy;
Described temperature detecting unit comprises negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5, and the 8th pin of the public termination integrated circuit of described negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5 is used for the protection that comes off of temperature adjustment and temperature;
Described temperature setup unit comprises resistance R 3, R6, R7, R8, R10, R12, light-emitting diode D3, D4, D10, D11, D12, button S2; Described button S2 one termination integrated circuit the 5th pin, another termination integrated circuit the 12nd pin, press one-touch S2, then the upset of the counter status in the integrated circuit circuit once, integrated circuit at least the 3 pin, the 1st pin, the 2nd pin are put low successively, LED 1～LED3 opens successively, corresponding to each temperature gear of setting;
Described burst pulse drives the controllable silicon unit and comprises controllable silicon SC1, resistance R 9, R14, R17, R18, capacitor C 9, diode D8, D9 and triode Q1; Adopt burst pulse to drive controllable silicon, can drive single, double to controllable silicon; The driving port is PWM, and narrow pulse width control is by external capacitor C 9 decisions of PW port; The CLK port obtains clock from civil power, sets burst pulse and occurs after zero crossing;
Described heater one termination controllable silicon SC1, the positive pole of another terminating diode D5.
As to improvement of the present utility model, this circuit can also be provided with two voltage mode unit, and described pair of voltage mode unit comprises resistance R 13, R16, capacitor C 4, diode D5, by the parameter adjustment of this unit, circuit is selected operating voltage automatically under 110 volts or 220 volts.
Described temperature setup unit also comprises LED4 or LED4 and LED5, and described LED4 and LED5 connect the 2nd pin and the 16th pin of integrated circuit respectively, and the temperature adjustment of finishing four temperature gears or five temperature gears shows.
Described temperature setup unit, each effectively button, counter adds one, the circulation between low successively effectively output of the 3rd pin, the 1st pin, the 15th pin, the 2nd pin, the 16th pin and shutdown attitude.
The LED lamp of described temperature setup unit is Chang Liang in the time of also can being arranged in heating, at this moment, the resistance R 11 that connects LED lamp port is directly received the 14th pin VDD of integrated circuit.
Described temperature setup unit under normal circumstances, whether the state of temperature of LED instruction heater has arrived predetermined temperature; And at thermo-sensitive resistor NTC or temperature adjustment resistance R 6, R7, R8, R10, when R12 comes off, turn-off PWM output, described temperature setup unit with temperature adjustment resistance R 6, R7, R8, the corresponding LED lamp of R10, R12 again can the quickflashing prompting.
Described burst pulse drives the controllable silicon unit, by the zero crossing that the 4th pin CLK of integrated circuit detects power supply, adopt burst pulse to drive, and pulse duration is adjustable.
The described pair of controlled heater circuit of the many temperature shelves of voltage also comprises the auditory tone cues unit, described auditory tone cues unit comprises triode Q3, Q4, resistance R 19, R20, R21, R22, R23 and buzzer J1 form, it can be implemented in when pressing button S2, not only the LED lamp is lighted successively, and buzzer J1 also sounds.
The utlity model has integrated level height, good reliability, anti-interference strong, peripheral simple, lower-price characteristic.
Description of drawings
Fig. 1 is the electrical block diagram of a kind of embodiment of the utility model.
Fig. 2 is the electrical block diagram of the another kind of embodiment of the utility model.
Embodiment
What integrated circuit used in the utility model is that model is JX5061B, and the function of its each pin is as follows:
Q1: counter output 1 (the 3rd pin)
Q2: counter output 2 (the 1st pin)
Q3: counter output 3 (the 15th pin)
Q4: counter output 4 (the 2nd pin)
Q5: counter output 5 (the 16th pin)
CLK: clock signal input terminal mouth (the 4th pin)
PB: the heated condition operating key, in connect and draw resistance (the 5th pin)
RST: the counter reset end, low effectively, in connect and draw resistance (the 6th pin)
LEVEL:AC voltage induced port, the built-in pull down resistor of LEVEL port (the 7th pin)
NTC: temperature sampling input port (the 8th pin)
REFL: reference voltage input mouth (the 9th pin)
LED: flashing light control port (the 10th pin)
PW:SCR pulse duration control port (the 11st pin)
VSS: ground (the 12nd pin)
PWM: controllable silicon drives port (the 13rd pin)
VDD: power supply (the 14th pin)
See also Fig. 1, it is the controlled heater circuits of the many temperature shelves of a kind of pair of voltage, comprises power subsystem 1, two voltage modes unit 2, and temperature detecting unit 3, temperature setup unit 4, burst pulse drive controllable silicon unit 5, heater 6 and integrated circuit JX5061B;
Described power subsystem 1 comprises that diode D1, D2, voltage stabilizing didoe D6 and peripheral cell thereof form, for entire circuit provides electric energy; Described pair of voltage mode unit 2 comprises resistance R 13, R16, capacitor C 4, diode D5, by the parameter adjustment of this unit, circuit can be under 110 volts or 220 volts operate as normal; The voltage of integrated circuit the 7th pin was 0.2VDD when voltage was 110V, and the voltage of integrated circuit the 7th pin is 0.4VDD during 220V; The reference voltage of the built-in 0.3VDD of integrated circuit, when operating voltage was 110V, integrated circuit control controllable silicon was with heating with full power like this; During 220V, heat with 1/4 power; Described temperature detecting unit 3 comprises negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5, and the 8th pin of the public termination integrated circuit of described negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5 is used for temperature detection and the NTC protection that comes off; The NTC port that it and IC interior are set and the REFL port of integrated circuit constitute the resistance defencive function that comes off jointly; promptly come off the PWM port no-output of integrated circuit, corresponding LED lamp quickflashing as NTC or R6, R7, R8, R10, R12; cycle 0.2 4S, duty ratio 1/3.
Described temperature setup unit 4 comprises resistance R 3, R6, R7, R8, R10, R12, light-emitting diode D3, D4, D10, D11, D12, button S2; Described button S2 one termination integrated circuit the 5th pin, another termination integrated circuit the 12 pin, press one-touch S2, then the upset of the counter status in the integrated circuit circuit once, integrated circuit the 3rd pin, the 1st pin, the 15th pin, the 2nd pin and the 16th pin are put low successively, LED 1～LED5 opens successively, corresponding to each temperature gear of setting; Each effectively button, counter adds one, the circulation between low successively effectively output (invalid is high-impedance state) of the 3rd pin, the 1st pin, the 15th pin, the 2nd pin, the 16th pin and shutdown attitude.
Said temperature setup unit 4 also can be provided with the heating mode less than five grades.Be arranged to n (1≤n≤4) shelves, as long as with Q
N+1The resetting pin of integrated circuit is received in output, and other connections are constant.Such as the structure that will be arranged to include only three LED lamps, at this moment the 16th pin of integrated circuit is unsettled, the 2nd pin connects a resistance to the 6 pin, the 3rd pin, the 1st pin and the 15th pin connection are constant, each effectively button, counter adds one, the circulation between low successively effectively output (invalid is high-impedance state) of the 3rd pin, the 1st pin, the 15th pin and shutdown attitude.
Obviously, the LED lamp of said temperature setup unit 4 is Chang Liang in the time of also can being arranged in heating, at this moment, the resistance R 11 that connects LED lamp port is directly received the 14th pin VDD of integrated circuit.
Described burst pulse drives controllable silicon unit 5 and comprises controllable silicon SC1, resistance R 9, R14, R17, R18, capacitor C 9, diode D8, D9 and triode Q1; Adopt burst pulse to drive controllable silicon, can drive single, double to controllable silicon; The driving port is PWM, and narrow pulse width control is by external capacitor C 9 decisions of PW port; The CLK port of integrated circuit obtains clock from civil power, sets burst pulse and occurs after zero crossing;
Described heater 6 one termination controllable silicon SC1, the positive pole of another terminating diode D5.
Described temperature setup unit 4 under normal circumstances, the state of temperature of LED instruction heater,
Whether arrived predetermined temperature; And at the come off thermo-sensitive resistor NTC of protected location of resistance
Or temperature adjustment resistance R 6, R7, R8, R10, R12 come off, and turn-offs the output of PWM port,
The corresponding LED lamp of described temperature setup unit again can the quickflashing prompting.
Described burst pulse drives controllable silicon unit 5, detects the zero crossing of power supply by the 4th pin (CLK port) of integrated circuit, adopt burst pulse to drive, and pulse duration is adjustable.
The 6th pin of integrated circuit connects capacitor C 8, is used for circuit reset.
When present embodiment uses, power supply electrifying, heater is in off-mode, as the S2 80ms at least that pushes button, the 3rd pin of integrated circuit is effectively put low, if thermo-sensitive resistor NTC or temperature adjustment resistance R 6, R7, R8, R10, R12 do not connect at this moment, then corresponding LED lamp quickflashing prompting, the PWM port no-output of integrated circuit.When external circuits normal, the 8th pin of integrated circuit (NTC port) judges whether the temperature of thermo-sensitive resistor NTC reaches the temperature of setting, if also do not reach, the 7th pin (LEVEL port) by integrated circuit is judged supply power voltage, if the 220V power supply is carried out the heating of 1/4 power by PWM port controlling controllable silicon SC1, if 110V power supply, heating with full power then, the LED lamp is for dodging state slowly; If the arrival temperature spot, a LED lamp Chang Liang!
When the temperature falling, if within the sluggish scope of setting, then lamp is Chang Liang still, and PWM starts working, and controls the controllable silicon heating as usual.If exceeded sluggish scope, can glimmer when then heating, the PWM port is work as usual.When the button that remains valid, counter status overturns once more, the 3rd pin of integrated circuit, the 1st pin, the 15th pin, the 2nd pin and the 16th pin (Q1 of integrated circuit～Q5 port) are put low successively, and diode (LED) 1～LED5 opens successively, corresponding to five temperature gears setting.The Q1 port of integrated circuit is the minimum temperature shelves, and the Q5 port is the maximum temperature shelves.After the Q5 port was put and hanged down, if press the S2 key once more, counter resetted, and the Q1 of integrated circuit～Q5 port is a high-impedance state all, waits for next button.This moment, LED1～LED5 turn-offed in order to turn-off heated condition.Temperature setup unit 4 produces the fast blink signal when improper; The LED port of integrated circuit output cycle when heating is 0.96 second a square wave, and corresponding LED lamp flashes; Be heated to assigned temperature and promptly transfer high level to, LED Chang Liang.Just begin flashing light when having only temperature to be lower than certain value (generally than low 5 ℃ of design temperature) once more.This return difference temperature inter-process.
Certainly, this circuit also can not established two voltage mode unit 2, at this moment, this circuit is under the univoltage mode state, promptly can be separately with 110 volts or 220 volts of voltages, under the monotype state, when the LEVEL port of integrated circuit connects the GND port of integrated circuit, this circuit heating with full power then; When the LEVEL of integrated circuit port connects the vdd terminal mouth of integrated circuit, then this circuit 1/4 power heating.
See also Fig. 2, embodiment illustrated in fig. 2 and embodiment illustrated in fig. 1 comparing, its general structure is identical, different is: the described pair of controlled heater circuit of the many temperature shelves of voltage also comprises auditory tone cues unit 7, described auditory tone cues unit 7 comprises triode Q3, Q4, and resistance R 19, R20, R21, R22, R23 and buzzer J1 form, and it can be implemented in when pressing button S2, not only light emitting LED lamp is glittering successively, and buzzer J1 also sounds.Button S2 also can be in parallel with NTC, does assembling so flexibly, is fit to more mould, but also increased the buzzer prompt facility, and each button all can pronounce to point out.
Claims (8)
1. the controlled heater circuit of the many temperature shelves of two voltages is characterized in that: comprise that power subsystem, temperature detecting unit, temperature setup unit, burst pulse drive controllable silicon unit, heater and integrated circuit;
Described power subsystem comprises that diode D1, D2, voltage stabilizing didoe D6 and peripheral cell thereof form, for entire circuit provides electric energy;
Described temperature detecting unit comprises negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5, and the 8th pin of the public termination integrated circuit of described negative tempperature coefficient thermistor NTC and temperature adjustment resistance R 5 is used for the protection that comes off of temperature adjustment and temperature;
Described temperature setup unit comprises resistance R 3, R6, R7, R8, R10, R12, light-emitting diode D3, D4, D10, D11, D12, button S2; Described button S2 one termination integrated circuit the 5th pin, another termination integrated circuit the 12nd pin, press one-touch S2, then the upset of the counter status in the integrated circuit circuit once, integrated circuit at least the 3 pin, the 1st pin, the 2nd pin are put low successively, LED 1～LED3 opens successively, corresponding to each temperature gear of setting;
Described burst pulse drives the controllable silicon unit and comprises controllable silicon SC1, resistance R 9, R14, R17, R18, capacitor C 9, diode D8, D9 and triode Q1; Adopt burst pulse to drive controllable silicon, can drive single, double to controllable silicon; The driving port is PWM, and narrow pulse width control is by external capacitor C 9 decisions of PW port; The CLK port obtains clock from civil power, sets burst pulse and occurs after zero crossing;
Described heater one termination controllable silicon SC1, the positive pole of another terminating diode D5.
2. the controlled heater circuit of the many temperature shelves of pair voltage according to claim 1, it is characterized in that: this circuit also comprises two voltage mode unit, described pair of voltage mode unit comprises resistance R 13, R16, capacitor C 4, diode D5, by the parameter adjustment of this unit, circuit all can operate as normal under 110 volts or 220 volts.
3. the controlled heater circuit of the many temperature shelves of pair voltage according to claim 1, it is characterized in that: described temperature setup unit also comprises LED4 or LED4 and LED5, described LED4 and LED5 connect the 2nd pin and the 16th pin of integrated circuit respectively.
4. the controlled heater circuit of the many temperature shelves of pair voltage according to claim 1, it is characterized in that: described temperature setup unit, each effectively button, counter adds one, the circulation between low successively effectively output of the 3rd pin, the 1st pin, the 15th pin, the 2nd pin, the 16th pin and shutdown attitude.
5. according to claim 1 or 4 described pairs of controlled heater circuits of the many temperature shelves of voltage, it is characterized in that: the LED lamp of described temperature setup unit is Chang Liang in the time of also can being arranged in heating, at this moment, the resistance R 11 that connects LED lamp port is directly received the 14th pin VDD of integrated circuit.
6. the controlled heater circuits of the many temperature shelves of pair voltage according to claim 5 is characterized in that: described temperature setup unit under normal circumstances, whether the state of temperature of LED instruction heater has arrived predetermined temperature; And at thermo-sensitive resistor NTC or temperature adjustment resistance R 6, R7, R8, R10, when R12 comes off, turn-off PWM output, described temperature setup unit with temperature adjustment resistance R 6, R7, R8, the corresponding LED lamp of R10, R12 again can the quickflashing prompting.
7. the controlled heater circuit of the many temperature shelves of pair voltage according to claim 1, it is characterized in that: described burst pulse drives the controllable silicon unit, by the zero crossing that the 4th pin CLK of integrated circuit detects power supply, adopt burst pulse to drive, and pulse duration is adjustable.
8. according to claim 1,2,3,4,6 or the controlled heater circuits of the many temperature shelves of the 7 described pairs of voltage, it is characterized in that: this circuit also comprises the auditory tone cues unit, described auditory tone cues unit comprises triode Q3, Q4, resistance R 19, R20, R21, R22, R23 and buzzer J1 form, it can be implemented in when pressing button S2, not only the LED lamp is lighted successively, and buzzer J1 also sounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209274U CN201044511Y (en) | 2007-06-19 | 2007-06-19 | Dual-voltage multi-temperature level controllable heater circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209274U CN201044511Y (en) | 2007-06-19 | 2007-06-19 | Dual-voltage multi-temperature level controllable heater circuit |
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| Publication Number | Publication Date |
|---|---|
| CN201044511Y true CN201044511Y (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201209274U Expired - Fee Related CN201044511Y (en) | 2007-06-19 | 2007-06-19 | Dual-voltage multi-temperature level controllable heater circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639482B (en) * | 2008-07-29 | 2012-10-10 | 奥豪斯仪器（上海）有限公司 | Method and device for controlling temperature at different voltages of moisture analyzer |
| CN103906277A (en) * | 2013-12-17 | 2014-07-02 | 项显海 | Control circuit and control method for hair straightener or hair curler |
| CN106073509A (en) * | 2016-05-08 | 2016-11-09 | 江门职业技术学院 | Intelligence Feedback homoiothermic potable water system |
-
2007
- 2007-06-19 CN CNU2007201209274U patent/CN201044511Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639482B (en) * | 2008-07-29 | 2012-10-10 | 奥豪斯仪器（上海）有限公司 | Method and device for controlling temperature at different voltages of moisture analyzer |
| CN103906277A (en) * | 2013-12-17 | 2014-07-02 | 项显海 | Control circuit and control method for hair straightener or hair curler |
| CN106073509A (en) * | 2016-05-08 | 2016-11-09 | 江门职业技术学院 | Intelligence Feedback homoiothermic potable water system |
| CN106073509B (en) * | 2016-05-08 | 2019-05-31 | 江门职业技术学院 | Intelligence Feedback temperature adjustment potable water system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHINO-E COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SHENZHEN CHAOXIN MICROELECTRONICS SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20111111 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518034 SHENZHEN, GUANGDONG PROVINCE TO: 518109 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111111 Address after: 518109, Shenzhen City, Baoan District people street, cattle village, front village, CHINO Industrial Park, No. 1-8, 88 Patentee after: Shenzhen Chino-e Communication Co., Ltd. Address before: 518034, room 8, building 816, Qinghai building, Hongmei Road, Shenzhen, Guangdong, Futian District Patentee before: Shenzhen Chaoxin Microelectronics Science and Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 Termination date: 20130619 |