CN202027028U - Temperature-adjusting electric hair drier - Google Patents
Temperature-adjusting electric hair drier Download PDFInfo
- Publication number
- CN202027028U CN202027028U CN2011201080503U CN201120108050U CN202027028U CN 202027028 U CN202027028 U CN 202027028U CN 2011201080503 U CN2011201080503 U CN 2011201080503U CN 201120108050 U CN201120108050 U CN 201120108050U CN 202027028 U CN202027028 U CN 202027028U
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- temperature
- heater strip
- output
- signal
- temperature setting
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Abstract
The utility model relates to a temperature-adjusting electric hair drier, which comprises a fan and a temperature-adjusting portion. The temperature-adjusting portion comprises a temperature setting portion, a temperature detecting portion, a comparing portion and a heating wire control portion, an output end of the temperature setting portion and an output end of the temperature detecting portion are respectively connected with input ends of the comparing portion, an output end of the comparing portion is connected with an input end of the heating wire control portion, an output end of the heating wire control portion is connected with a heating wire, the temperature setting portion outputs a continuously variable temperature setting signal to the comparing portion, the temperature detecting portion outputs a temperature detecting signal to the comparing portion, and the comparing portion compares the temperature detecting signal with the temperature setting signal and outputs a heating wire heating control signal to the heating wire control portion. The temperature-adjusting electric hair driver is simple in structure, saves cost, particularly has a continuous temperature-adjusting function, and accordingly has higher cost performance, practicality and applicability.
Description
Technical field
The utility model relates to daily small household appliances, relates in particular to the continuously adjustable hair dryer of a kind of temperature.
Background technology
Hair dryer makes victory as a kind of daily small household appliances, is widely used, and almost is the standing thing in every household; Existing normal domestic use hair dryer temperature only is provided with two gears of height simply, and demand that can not be different according to the consumer obtains suitable wind-warm syndrome, has ignored consumer's individual difference, thereby has made its use limited.
Summary of the invention
In view of existing in prior technology defective and consumer's needs, the utility model application simulation circuit engineering is realized the improvement to existing civilian hair dryer.
Technical solution of the present utility model is achieved in that
A kind of temperature adjustment hair dryer comprises blower fan part and adjustment part, it is characterized in that:
Described temperature regulation section branch comprises temperature setting portion, temperature detecting part, comparing section and heater strip control part;
The output of described temperature setting portion output and temperature detecting part is connected with the input of comparing section respectively, and the output of described comparing section is connected with the input of described heater strip control part, and the output of described heater strip control part is connected with heater strip;
Described temperature setting portion is to the temperature setting signal of a continuous variable of described comparing section output; Described temperature detecting part is to temperature detection signal of described comparing section output; Described comparing section compares said temperature detection signal and temperature setting signal, and to a heater strip heating of heater strip control part output control signal.
Further, described temperature setting portion comprises potentiometer and adjustable resistance; Described temperature detecting part comprises thermocouple and signal amplification circuit thereof; Described heater strip control part comprises zero passage optocoupler U1 and bidirectional triode thyristor Q1.The voltage signal of temperature setting portion output detects the voltage signal that obtains with thermocouple by temperature detecting part and compares in comparing section, and the comparative result control zero passage optocoupler that draws according to comparing section, and then the conducting of control bidirectional triode thyristor or close.Continue to compare and control, make wind-warm syndrome constant.
Compared with prior art, the utility model overall structure is simple, and cost savings have especially had the continuously adjustable function of temperature, thereby make it have higher cost performance; The consumer can select to be fit to the wind-warm syndrome of oneself according to individual's comfort level, thereby has more practicality, is suitable for also more extensive; Simultaneously, improvement also can be used for industrial occasions a little.
Description of drawings
Fig. 1 is the The general frame of embodiment scheme;
Fig. 2 is the circuit diagram of embodiment adjustment part;
Fig. 3 is the circuit diagram of embodiment blower fan part;
Among the figure, 101, power supply 102, temperature detecting part 103, temperature setting portion 104, comparing section 105, heater strip control part 106, heater strip equivalent resistance
The specific embodiment
Now in conjunction with the accompanying drawings the utility model is further described specifically:
A kind of temperature adjustment hair dryer, overall structure comprise blower fan part and adjustment part; Described adjustment part comprises power supply 101, temperature detecting part 102, and temperature setting portion 103, comparing section 104, heater strip control part 105, as shown in Figure 1; Concrete,
Power supply 101: obtain 5V direct current, supply control circuit from 220V 50Hz alternating current;
Temperature setting portion 103: set by potentiometer, obtain continuously adjustable temperature between 30 ℃～120 ℃, and the voltage signal of setting to described comparing section 104 outputs;
Temperature detecting part 102: detect the temperature in air port by thermocouple, and to the detected voltage signal of described comparing section 104 heat outputting galvanic couples;
Comparing section 104: carry the signal of coming to compare temperature setting portion and temperature detecting part, and to the actual control output signal of heater strip control part output;
Heated filament control part 105: whether heat by zero passage optocoupler U1 and bidirectional triode thyristor Q1 control heater strip.
Blower fan part: adopt direct current generator, establish two wind-force gears of height.
Described adjustment part, its detail circuits principle, as shown in Figure 2:
Voltage-stabiliser tube D1, capacitor C 4, diode 1N4148 and resistance R 6, resistance R 7, capacitor C 2, capacitor C 3 are formed the resistance-capacitance depressurization half-wave rectifying circuit, the 220V alternating current is transformed to the 5V direct current, serves as the working power 1 of follow-up temperature setting, temperature detection, rating unit and heater strip control section.
Operational amplifier X1A and resistance R 8, resistance R 9, resistance R 10, resistance R 1, capacitor C 1, capacitor C 5 are signal amplification circuits of thermocouple, constitute temperature detecting part 102, and faint millivolt signal is amplified, and deliver to comparing section 104.
Resistance R 12, resistance R 13, resistance R 3 and operational amplifier X1B form comparing section 104, and the magnitude of voltage that temperature is set and temperature detection part obtains is compared, and comparative result directly drives follow-up heater strip control part 105.
Resistance R 4 and zero passage optocoupler U1, resistance R 5, resistance R 14, bidirectional triode thyristor Q1 are heater strip control parts 105, whether can obtain 220V voltage in order to the control heater strip and heat.
Resistance R 15 is equivalent resistances 106 of heater strip.
Described blower fan part, its detail circuits principle, as shown in Figure 3:
4 1N4007 diode D4, D5, D6, D7 are rectifier bridges, and alternating current is transformed to direct current to drive the direct current generator rotation.
Switch S 1 closure, then diode D3 is fallen in short circuit, and blower fan is in top grade; Switch S 1 disconnects, and then only has the alternating current of positive half cycle to drive blower fan, and blower fan is in low grade.
Resistance R 16 is dropping resistors of blower fan.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (2)
1. a temperature adjustment hair dryer comprises blower fan part and adjustment part, it is characterized in that:
Described temperature regulation section branch comprises temperature setting portion, temperature detecting part, comparing section and heater strip control part;
The output of described temperature setting portion output and temperature detecting part is connected with the input of comparing section respectively, and the output of described comparing section is connected with the input of described heater strip control part, and the output of described heater strip control part is connected with heater strip;
Described temperature setting portion is to the temperature setting signal of a continuous variable of described comparing section output; Described temperature detecting part is to temperature detection signal of described comparing section output; Described comparing section compares said temperature detection signal and temperature setting signal, and to a heater strip heating of heater strip control part output control signal.
2. temperature adjustment hair dryer according to claim 1 is characterized in that:
Described temperature setting portion comprises potentiometer and adjustable resistance;
Described temperature detecting part comprises thermocouple and signal amplification circuit thereof;
Described heater strip control part comprises zero passage optocoupler U1 and bidirectional triode thyristor Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201080503U CN202027028U (en) | 2011-04-13 | 2011-04-13 | Temperature-adjusting electric hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201080503U CN202027028U (en) | 2011-04-13 | 2011-04-13 | Temperature-adjusting electric hair drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202027028U true CN202027028U (en) | 2011-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201080503U Expired - Fee Related CN202027028U (en) | 2011-04-13 | 2011-04-13 | Temperature-adjusting electric hair drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202027028U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610285A (en) * | 2013-12-16 | 2014-03-05 | 无锡市市北高级中学 | Charging-type temperature-controllable hair comb |
| CN104605603A (en) * | 2015-02-05 | 2015-05-13 | 温州芒果电器制造有限公司 | Distance induction automatic temperature control electric hair dryer |
| CN107424580A (en) * | 2017-08-17 | 2017-12-01 | 山东蓝贝易书信息科技有限公司 | A kind of no material consumption luminous energy liquid crystal writing plate part wiping arrangement |
| CN110794896A (en) * | 2019-10-31 | 2020-02-14 | 太原理工大学 | Temperature control heat preservation circuit based on water and ice conductivity difference |
| CN111103909A (en) * | 2019-12-24 | 2020-05-05 | 追觅科技(上海)有限公司 | Electric hair drier circuit board temperature control circuit and method |
| WO2021129162A1 (en) * | 2019-12-24 | 2021-07-01 | 追觅科技(上海)有限公司 | Temperature control circuit and method for circuit board of electric hair dryer |
-
2011
- 2011-04-13 CN CN2011201080503U patent/CN202027028U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610285A (en) * | 2013-12-16 | 2014-03-05 | 无锡市市北高级中学 | Charging-type temperature-controllable hair comb |
| CN104605603A (en) * | 2015-02-05 | 2015-05-13 | 温州芒果电器制造有限公司 | Distance induction automatic temperature control electric hair dryer |
| CN104605603B (en) * | 2015-02-05 | 2017-11-03 | 温州芒果电器制造有限公司 | Distance perspective answers automatic temperature-control hair drier |
| CN107424580A (en) * | 2017-08-17 | 2017-12-01 | 山东蓝贝易书信息科技有限公司 | A kind of no material consumption luminous energy liquid crystal writing plate part wiping arrangement |
| CN110794896A (en) * | 2019-10-31 | 2020-02-14 | 太原理工大学 | Temperature control heat preservation circuit based on water and ice conductivity difference |
| CN110794896B (en) * | 2019-10-31 | 2021-06-15 | 太原理工大学 | Temperature control heat preservation circuit based on water and ice conductivity difference |
| CN111103909A (en) * | 2019-12-24 | 2020-05-05 | 追觅科技(上海)有限公司 | Electric hair drier circuit board temperature control circuit and method |
| WO2021129162A1 (en) * | 2019-12-24 | 2021-07-01 | 追觅科技(上海)有限公司 | Temperature control circuit and method for circuit board of electric hair dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20120413 |