CN201727022U - Temperature stepless regulation warm air blower - Google Patents
Temperature stepless regulation warm air blower Download PDFInfo
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- CN201727022U CN201727022U CN2010201574068U CN201020157406U CN201727022U CN 201727022 U CN201727022 U CN 201727022U CN 2010201574068 U CN2010201574068 U CN 2010201574068U CN 201020157406 U CN201020157406 U CN 201020157406U CN 201727022 U CN201727022 U CN 201727022U
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Abstract
The utility model relates to a temperature stepless regulation warm air blower, which comprises a plastic casing, a power supply switch, a regulation knob, an electric heating wire, a power supply circuit, a heating control circuit and a temperature regulation circuit, wherein the power supply circuit is used for providing power supply, the heating control circuit is used for controlling the heating power of the electric heating wire, and the temperature regulation circuit is used for regulating the outlet air temperature, a power supply module is provided with a transformer T1 and a rectifier bridge, and is connected with a three-end voltage stabilizing circuit through a diode and a filter capacitor for outputting the power supply VCC, the temperature regulation circuit is provided with a capacitor, a variable resistor, a triode, an operation amplifier and a trigger and is used for generating controlled silicon conducting signals, the heating control circuit is provided with controlled silicon, and is connected with the electric heating wire, the opening and the closing of the controlled silicon are controlled through the reverse phase output end of the trigger for regulating the heating power, the variable resistor is connected with the regulation knob, and the resistance value of the variable resistor can be regulated through rotating the regulating knob, so the air outlet temperature can be regulated. The utility model has the advantages that the outlet air temperature of the air blower can be regulated in a stepless way, and the utility model has the advantages of simple circuit structure, low cost and reliable performance.
Description
Technical field
The utility model relates to a kind of warm hair-dryer of temperature step-less adjustment.
Background technology
Warm hair-dryer as the necessary tool of family or barber shop, can dry up hair and beauty treatment hair, is very practical electrical equipment.But present hair-dryer is all very simple on 26S Proteasome Structure and Function, can only provide three kinds of air-out: cold wind, warm braw and hot blast.Along with changes of seasons, environment temperature difference is very big, human body need can convenient adjusting leaving air temp hair-dryer.
Summary of the invention
In order to overcome deficiency of the prior art, the utility model provides a kind of warm hair-dryer of temperature step-less adjustment, can step-less adjustment the leaving air temp of warm hair-dryer, and circuit structure is simple, cost is low, dependable performance.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of warm hair-dryer of temperature step-less adjustment comprises and moulds shell, power switch, adjusting knob, electrical heating wire provides the power circuit of power supply, be used to control the heating control circuit of described electrical heating wire heating power, and carry out the temperature regulation circuit that leaving air temp is regulated.
Described power module, transformer T1 is set, the input of described transformer T1 connects alternating current 220AC, output connects by diode D1, D2, the rectifier bridge that D3 and D4 form, described rectifier bridge out-put supply 12AC, and process diode D5 is connected the input of three-terminal voltage-stabilizing circuit U 1, the output connection capacitor C 2 of described three-terminal voltage-stabilizing circuit U 1, and out-put supply VCC with capacitor C 1.
Described temperature regulation circuit, triode Q1 is set, the base stage of described triode Q1 connects described power supply 12AC by resistance R 1, emitter ground connection, colelctor electrode connects resistance R 2 and resistance R 3, described resistance R 2 other ends connect power supply VCC, described resistance R 3 other ends connect the base stage of triode Q2, the grounded emitter of described triode Q2, colelctor electrode connects the in-phase input end of amplifier U2, resistance R 4 and capacitor C 3, the other end of described resistance R 4 connects power supply VCC, the other end ground connection of described capacitor C 3, and the end of oppisite phase of described amplifier U2 connects variable resistor R5 and resistance R 6, the described variable resistor R5 other end connects power supply VCC, described resistance R 6 ground connection, the output of described amplifier U2 connects the clock end CLK of trigger U3, the set end S ground connection of described trigger U3, data terminal D connects power supply VCC, output Q connects reset terminal R and capacitor C 4 by resistance R 7, described capacitor C 4 other end ground connection, and the reversed-phase output Q-of described trigger U3 connects described heating control circuit.
Described heating control circuit, controllable silicon T1 is set to be connected with described electrical heating wire, described controllable silicon T1 two ends parallel resistance R8 and capacitor C 5, the gate pole of described controllable silicon T1 connects the emitter stage of triode Q3 by resistance R 9, the colelctor electrode of described triode Q3 connects power supply VCC, and base stage connects the reversed-phase output Q-of described trigger U3 by resistance R 10.
Described variable resistor R5 is connected with described adjusting knob, rotates the resistance that described adjusting knob can be regulated described variable resistor R5.
The beneficial effects of the utility model mainly show: 1, can the step-less adjustment leaving air temp; 2, circuit structure is simple, and cost is low, dependable performance.
Description of drawings
Fig. 1 is the outline drawing of warm hair-dryer;
Fig. 2 is the power module schematic diagram of warm hair-dryer;
Fig. 3 is the temperature regulation circuit schematic diagram of warm hair-dryer;
Fig. 4 is the heating control circuit schematic diagram of warm hair-dryer.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1-4, a kind of warm hair-dryer of temperature step-less adjustment comprises and moulds shell 1, power switch 2, adjusting knob 3, electrical heating wire, the power circuit of power supply is provided, is used to control the heating control circuit of described electrical heating wire heating power, and carry out the temperature regulation circuit that leaving air temp is regulated.
Described power module, adopt circuit structure as shown in Figure 2, transformer T1 is set, and the input of described transformer T1 connects alternating current 220AC, and output connects by diode D1, D2, the rectifier bridge that D3 and D4 form, described rectifier bridge out-put supply 12AC, and process diode D5 is connected the input of three-terminal voltage-stabilizing circuit U 1 with capacitor C 1, the output of described three-terminal voltage-stabilizing circuit U 1 connects capacitor C 2, and out-put supply VCC.Power supply VCC is a dc source, and for subsequent conditioning circuit is carried electricity, power supply 12AC is an alternating current, and the synchronizing signal of zero crossing is provided.Described three-terminal voltage-stabilizing circuit U 1 can adopt LM7805.
Described temperature regulation circuit, adopt circuit structure as shown in Figure 3, triode Q1 is set, the base stage of described triode Q1 connects described power supply 12AC by resistance R 1, emitter ground connection, colelctor electrode connects resistance R 2 and resistance R 3, described resistance R 2 other ends connect power supply VCC, described resistance R 3 other ends connect the base stage of triode Q2, the grounded emitter of described triode Q2, colelctor electrode connects the in-phase input end of amplifier U2, resistance R 4 and capacitor C 3, the other end of described resistance R 4 connects power supply VCC, the other end ground connection of described capacitor C 3, the end of oppisite phase of described amplifier U2 connects variable resistor R5 and resistance R 6, the described variable resistor R5 other end connects power supply VCC, described resistance R 6 ground connection, the output of described amplifier U2 connects the clock end CLK of trigger U3, the set end S ground connection of described trigger U3, data terminal D connects power supply VCC, output Q connects reset terminal R and capacitor C 4 by resistance R 7, described capacitor C 4 other end ground connection, the reversed-phase output Q-of described trigger U3 connects described heating control circuit.
Described variable resistor R5 is connected with described adjusting knob 3, rotates the resistance that described adjusting knob 3 can be regulated described variable resistor R5.
Described heating control circuit, adopt circuit structure as shown in Figure 4, controllable silicon T1 is set to be connected with described electrical heating wire, described controllable silicon T1 two ends parallel resistance R8 and capacitor C 5, the gate pole of described controllable silicon T1 connects the emitter stage of triode Q3 by resistance R 9, the colelctor electrode of described triode Q3 connects power supply VCC, and base stage connects the reversed-phase output Q-of described trigger U3 by resistance R 10.Power supply 220AC gives described electrical heating wire power supply later on through diode D6, D7, D6 and D7 rectification.
In the time of the every process of power supply 12AC zero crossing, described triode Q1 ends, and makes described triode Q2 conducting, thereby with described capacitor C 3 discharges, thereby make described amplifier U2 output low level; Voltage rising along with power supply 12AC, described triode Q1 conducting, make described triode Q2 end, 4 pairs of described capacitor C 3 of described resistance R are charged, when voltage was higher than the voltage of inverting input of described amplifier U2, described amplifier U2 output high level triggered the reversed-phase output Q-output low level of described trigger U3, the described triode Q3 of conducting, thereby the described controllable silicon T1 of conducting.Simultaneously positive output end Q charges to capacitor C 4, and the described trigger U3 that resets after when postponing a section makes reversed-phase output Q-export high level again.And rotate the resistance that described adjusting knob 3 can be regulated described variable resistor R5, thus change the charging process of described capacitor C 3, thus the ON time of described controllable silicon T1 changed, and then control the heating power of described electrical heating wire.
In sum, but the utility model provides a kind of warm hair-dryer of step-less adjustment leaving air temp, is arranged on the adjusting knob of moulding on the shell, change inner variable-resistance resistance, thereby change the silicon controlled ON time, thereby change the heating power of electrical heating wire, realize the adjusting of leaving air temp.
Claims (5)
1. the warm hair-dryer of a temperature step-less adjustment, comprise and mould shell, power switch, adjusting knob, electrical heating wire, it is characterized in that: comprise the power circuit that power supply is provided, be used to control the heating control circuit of described electrical heating wire heating power, and carry out the temperature regulation circuit that leaving air temp is regulated.
2. the warm hair-dryer of a kind of temperature step-less adjustment as claimed in claim 1, it is characterized in that: described power module, transformer T1 is set, and the input of described transformer T1 connects alternating current 220AC, and output connects by diode D1, D2, the rectifier bridge that D3 and D4 form, described rectifier bridge out-put supply 12AC, and process diode D5 is connected the input of three-terminal voltage-stabilizing circuit U 1 with capacitor C 1, the output of described three-terminal voltage-stabilizing circuit U 1 connects capacitor C 2, and out-put supply VCC.
3. the warm hair-dryer of a kind of temperature step-less adjustment as claimed in claim 1, it is characterized in that: described temperature regulation circuit, triode Q1 is set, the base stage of described triode Q1 connects described power supply 12AC by resistance R 1, emitter ground connection, colelctor electrode connects resistance R 2 and resistance R 3, described resistance R 2 other ends connect power supply VCC, described resistance R 3 other ends connect the base stage of triode Q2, the grounded emitter of described triode Q2, colelctor electrode connects the in-phase input end of amplifier U2, resistance R 4 and capacitor C 3, the other end of described resistance R 4 connects power supply VCC, the other end ground connection of described capacitor C 3, the end of oppisite phase of described amplifier U2 connects variable resistor R5 and resistance R 6, the described variable resistor R5 other end connects power supply VCC, described resistance R 6 ground connection, the output of described amplifier U2 connects the clock end CLK of trigger U3, the set end S ground connection of described trigger U3, data terminal D connects power supply VCC, output Q connects reset terminal R and capacitor C 4 by resistance R 7, described capacitor C 4 other end ground connection, the reversed-phase output Q-of described trigger U3 connects described heating control circuit.
4. the warm hair-dryer of a kind of temperature step-less adjustment as claimed in claim 1, it is characterized in that: described heating control circuit, controllable silicon T1 is set to be connected with described electrical heating wire, described controllable silicon T1 two ends parallel resistance R8 and capacitor C 5, the gate pole of described controllable silicon T1 connects the emitter stage of triode Q3 by resistance R 9, the colelctor electrode of described triode Q3 connects power supply VCC, and base stage connects the reversed-phase output Q-of described trigger U3 by resistance R 10.
5. as the warm hair-dryer of claim 1 or 3 described a kind of temperature step-less adjustment, it is characterized in that: described variable resistor R5, be connected with described adjusting knob, rotate the resistance that described adjusting knob can be regulated described variable resistor R5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201574068U CN201727022U (en) | 2010-04-13 | 2010-04-13 | Temperature stepless regulation warm air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201574068U CN201727022U (en) | 2010-04-13 | 2010-04-13 | Temperature stepless regulation warm air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201727022U true CN201727022U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201574068U Expired - Fee Related CN201727022U (en) | 2010-04-13 | 2010-04-13 | Temperature stepless regulation warm air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201727022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595663A (en) * | 2012-01-20 | 2012-07-18 | 中山赛特奥日用科技有限公司 | Power-adjustable eclectic heater for heating volatile substance |
| CN107242664A (en) * | 2017-07-28 | 2017-10-13 | 温州市顺怡科技有限公司 | A kind of marcel waver |
-
2010
- 2010-04-13 CN CN2010201574068U patent/CN201727022U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595663A (en) * | 2012-01-20 | 2012-07-18 | 中山赛特奥日用科技有限公司 | Power-adjustable eclectic heater for heating volatile substance |
| CN107242664A (en) * | 2017-07-28 | 2017-10-13 | 温州市顺怡科技有限公司 | A kind of marcel waver |
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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: 20110202 Termination date: 20110413 |