CN209135576U - A kind of temperature control air blower - Google Patents
A kind of temperature control air blower Download PDFInfo
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- CN209135576U CN209135576U CN201821406939.8U CN201821406939U CN209135576U CN 209135576 U CN209135576 U CN 209135576U CN 201821406939 U CN201821406939 U CN 201821406939U CN 209135576 U CN209135576 U CN 209135576U
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- temperature control
- switched
- air blower
- control
- circuit
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Abstract
The utility model discloses a kind of temperature control air blowers, and including the temperature control circuit to control the temperature control air blower leaving air temp and the control circuit to regulate and control temperature control circuit, control circuit includes master control switch and the protective resistance with master control switch electric connection；Temperature control circuit includes the heating element being successively electrically connected, silicon-controlled and trigger circuit；The output end of heating element is connected with the first silicon-controlled main electrode, and the second silicon-controlled main electrode is connected with the input terminal of trigger circuit；It is silicon-controlled to control being switched on or switched off for temperature control circuit, to control the work or disconnection of heating element；Trigger circuit can control it is silicon-controlled be switched on or switched off, to control being switched on or switched off for temperature control circuit；The output end of protective resistance is connected with trigger circuit, and master control switch can control being switched on or switched off for temperature control circuit.It improves Product Experience when consumer uses by the functional mode of hot and cold alternation.
Description
Technical field
The utility model relates to hair dryer field, more specifically to a kind of temperature control air blower.
Background technique
Hair dryer in the prior art includes that cold wind shelves and hot wind keep off two gears, when using hair dryer, if will blowing
Machine is fixed on hot wind gear and when blowing to a certain specific position of long period, the position can be made to have insufferable scorching hot
Sense, thus need consumer using hair dryer, especially when hot wind when keeping off, the position that continual adjustment hair dryer brushes,
It can be reduced the burning heat sensation and sense of discomfort when use, to reduce Product Experience of consumer when using hair dryer.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of temperature control air blowers, pass through the function side of hot and cold alternation
Formula improves Product Experience when consumer uses.
In order to solve the above-mentioned technical problem, the utility model provides a kind of temperature control air blower, including described to control
The temperature control circuit of temperature control air blower leaving air temp and the control circuit to regulate and control the temperature control circuit, the control circuit include
Master control switch and the protective resistance being electrically connected with master control switch；The temperature control circuit includes the electric heating being successively electrically connected
Element, silicon-controlled and trigger circuit；The output end of the heating element is connected with the first silicon-controlled main electrode, it is described can
Second main electrode of control silicon is connected with the input terminal of the trigger circuit；It is described silicon-controlled to control connecing for the temperature control circuit
On-off is opened, to control the work or disconnection of the heating element；The trigger circuit can control the silicon-controlled connection
Or disconnect, to control being switched on or switched off for the temperature control circuit；The output end of the protective resistance and the trigger circuit connect
It connects, the master control switch can control being switched on or switched off for the temperature control circuit.
Further, the trigger circuit includes dual operational amplifier and the heat with dual operational amplifier electric connection
Dependent sensor, the second silicon-controlled main electrode are connected with the dual operational amplifier, the input terminal of the heat-sensitive sensor
It is connected with the dual operational amplifier, the output end ground connection of the heat-sensitive sensor.
Further, indicating circuit is additionally provided in the temperature control air blower, the indicating circuit includes light emitting diode,
The anode of the light emitting diode is connected with the dual operational amplifier, the minus earth of the light emitting diode.
Further, the heating element is Si-Mo rod, Elema, molybdenum filament, molybdenum plug, any one of molybdenum electrode.
Further, the heat-sensitive sensor includes temp.-sensitive diodes.
Further, control button is provided on the handle of the temperature control air blower, the control button is for regulating and controlling institute
State being switched on or switched off for master control switch.
Further, the temperature control air blower includes that shell and setting are set on the intracorporal sleeve of the shell, the shell
It is equipped with the light guide plate for optically focused.
Further, it is provided with the light guide support with light guide plate cooperation on the shell, is opened on the light guide support
Equipped with the light hole being pierced by for the light.
Further, the barn door that can be covered on above the light emitting diode is provided on the shell.
The utility model has the beneficial effects that
After master control closes the switch, work with the temperature control circuit that control circuit is electrically connected, heating element makes when working
Temperature at the air outlet of temperature control air blower increases, so that the air temperature blown out from air outlet is higher；With silicon-controlled electricity
Property connection trigger circuit can be controlled according to the temperature in temperature control air blower it is silicon-controlled be switched on or switched off, when temperature is excessively high
When, trigger circuit makes silicon-controlled shutdown and disconnects temperature control circuit, and heating element can not work at this time, to reduce
Blowing temperature at temperature control air blower air outlet；It is silicon-controlled according to the temperature control at blowing mouth using trigger circuit, and then control
Temperature control circuit processed is switched on or switched off, and realizes that cold-hot wind is alternately blown out, is in always so as to control the temperature at blowing mouth
In suitable range, to improve Product Experience when consumer uses.
Detailed description of the invention
Fig. 1 is the explosive view of temperature control air blower；
Fig. 2 is the circuit diagram in temperature control air blower.
Wherein, 1, shell；2, sleeve；3, barn door；4, light guide support；41, light hole；5, light guide plate；6, handle；61,
Control button.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment
A kind of temperature control air blower including shell 1 and the sleeve 2 being arranged in inside shell 1, is also set in shell 1 referring to Fig.1
It is equipped with rotating blading and the rotating electric machine for driving rotating blading to move.Rotating blading and rotating electric machine are arranged at sleeve 2
Endface, the inside of sleeve 2 is in hollow setting, and then rotating blading is formed by wind and is transmitted to out from the rear end of sleeve 2
Wind end.
Referring to Fig.1, it is fixed with pcb board on sleeve 2, temperature control circuit is provided on pcb board and is electrically connected with temperature control circuit
Control circuit, being switched on or switched off for temperature control circuit can be adjusted by being switched on or switched off for control circuit.Control circuit includes
Master control switch S and the protective resistance R being electrically connected with control switch S, protective resistance R can protect the stability of circuit.Master control
One end of switch S is connected with power supply or other circuits, the other end are connected with the input terminal of protective resistance R.
Referring to Fig. 2, temperature control circuit includes heating element PTC, controllable silicon SCR and the trigger circuit being successively electrically connected, electricity
The input terminal of thermal element PTC is connected with power supply or other circuits, the output end of heating element PTC and the first master of controllable silicon SCR
Second main electrode T2 of the T1 connection of electrode electrical property, controllable silicon SCR is connected with trigger circuit.
Referring to Fig. 2, trigger circuit includes dual operational amplifier and the heat-sensitive sensor that is electrically connected with dual operational amplifier,
The model that dual operational amplifier is selected in the present embodiment is LM358, thus dual operational amplifier draws including 8 in the present embodiment
Foot, wherein 1 foot is output end, 2 feet are inverting input terminals, and 3 feet are non-inverting input terminals；4 feet are negative supply (when dual power supply works)
Or ground (when single supply works)；5 feet are non-inverting input terminals；6 feet are inverting input terminals；7 feet are output ends；8 feet are positive supplies；And
1 foot, 2 feet, 3 feet are an amplifier channels, and 5 feet, 6 feet, 7 feet are another amplifier channel.Thus by the output end of protective resistance and
5 feet of dual operational amplifier LM358 and the connection of 8 feet, meanwhile, the second main electrode T2 and dual operational amplifier of controllable silicon SCR
1 foot of LM358 connects；The input terminal of heat-sensitive sensor is connected with 2 feet of dual operational amplifier LM358, heat-sensitive sensor it is defeated
Outlet ground connection.The preferred temp.-sensitive diodes NTC of heat-sensitive sensor, controllable silicon SCR are preferably bidirectional silicon-controlled in the present embodiment.Work as master control
When switch S is disconnected, do not connect in the state opened a way in control circuit, thus in the trigger circuit being electrically connected with control circuit
It is logical, thus it is unable to control temperature control circuit work.When master control switch S closure, control circuit connection, simultaneously because protective resistance R
It being connected to 5 feet of dual operational amplifier LM358 and 8 feet, controllable silicon SCR is connected with 1 foot of dual operational amplifier LM358, thus
Trigger circuit connects temperature control circuit, so that heating element PTC works, so as to increase the temperature at temperature control air blower air outlet
Degree.As heating element PTC constantly converts electrical energy into thermal energy, the temperature at air outlet constantly rises, and is arranged in trigger circuit
In temp.-sensitive diodes NTC when the temperature is excessively high so that temperature control circuit occur short circuit so that in temperature control circuit electric heating member
Part PTC can not continue to convert electrical energy into thermal energy, so that the heating that temperature control air blower will not continue, utilizes temperature control air blower
With extraneous heat exchange, to reduce the temperature at temperature control air blower air outlet.With the continuous reduction of temperature, trigger circuit
In temp.-sensitive diodes NTC around temperature constantly reduce, the resistance of temp.-sensitive diodes NTC constantly increases in trigger circuit, makes
The heating element PTC obtained in temperature control circuit can normally work.
Referring to Fig. 2, it is additionally provided with indicating circuit in temperature control air blower, indicating circuit includes Light-emitting diode LED, and luminous two
The input terminal of pole pipe LED is electrically connected by the output end of guiding and protective resistance R, the output end ground connection of Light-emitting diode LED.
After master control switch S closure, control circuit is connected, and the Light-emitting diode LED being electrically connected at this time with control circuit works, thus
Convenient for showing the working condition of temperature control air blower.
Referring to Fig.1, the control button 61 being opened or closed convenient for control master control switch S is provided on the handle 6 of hair dryer,
Consequently facilitating operation.Barn door 3 is fixed on the lateral wall of sleeve 2, barn door 3 can be covered on the top of pcb board, to subtract
The diffusion of few light emitting diode, can enhance the display effect of indicating circuit.Light guide support 4 is fixed on the lateral wall of sleeve 2,
The light hole 41 being pierced by for light emitting diode is offered on light guide support 4.The end of light guide support 4 and barn door 3 is fixed, thus
The light stopped by barn door 3 is pierced by out of light hole 41.The light guide plate 5 for optically focused is fixed on the lateral wall of sleeve 2,
Light guide plate 5 is fixed on the other end of light guide support 4 far from barn door 3, and light guide plate 5 can be by the light hole on light guide support 4
41 part overlaids are lived, and the light being pierced by out of light hole 41 is preferably converged, to improve the effect of display.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of temperature control air blower, which is characterized in that including the temperature control circuit to control the temperature control air blower leaving air temp
With the control circuit to regulate and control the temperature control circuit, the control circuit includes master control switch and switchs electrically with the master control
The protective resistance of connection；
The temperature control circuit includes the heating element being successively electrically connected, silicon-controlled and trigger circuit；The heating element it is defeated
Outlet is connected with the first silicon-controlled main electrode, the input terminal of silicon-controlled second main electrode and the trigger circuit
Connection；It is described it is silicon-controlled can control being switched on or switched off for the temperature control circuit, to control the work of the heating element or disconnected
It opens；The trigger circuit can control it is described silicon-controlled be switched on or switched off, connect on-off to control the temperature control circuit
It opens；The output end of the protective resistance is connected with the trigger circuit, and the master control switch can control the temperature control circuit
It is switched on or switched off.
2. temperature control air blower as described in claim 1, which is characterized in that the trigger circuit include dual operational amplifier and with
The heat-sensitive sensor that the dual operational amplifier is electrically connected, the second silicon-controlled main electrode and the dual operational amplifier
Connection, the input terminal of the heat-sensitive sensor are connected with the dual operational amplifier, the output end ground connection of the heat-sensitive sensor.
3. temperature control air blower as claimed in claim 2, which is characterized in that be additionally provided with instruction electricity in the temperature control air blower
Road, the indicating circuit include light emitting diode, and the anode of the light emitting diode is connected with the dual operational amplifier, described
The minus earth of light emitting diode.
4. temperature control air blower as described in claim 1, which is characterized in that the heating element is Si-Mo rod, Elema, molybdenum
Silk, molybdenum plug, any one of molybdenum electrode.
5. temperature control air blower as claimed in claim 2, which is characterized in that the heat-sensitive sensor includes temp.-sensitive diodes.
6. temperature control air blower as described in claim 1, which is characterized in that be provided with control on the handle of the temperature control air blower
Key, the control button is for regulating and controlling being switched on or switched off for the master control switch.
7. temperature control air blower as claimed in claim 3, which is characterized in that the temperature control air blower includes shell and is arranged in institute
The intracorporal sleeve of shell is stated, the light guide plate for optically focused is provided on the shell.
8. temperature control air blower as claimed in claim 7, which is characterized in that be provided on the shell and cooperate with the light guide plate
Light guide support, offer the light hole being pierced by for light on the light guide support.
9. temperature control air blower as claimed in claim 7, which is characterized in that the hair can be covered on by being provided on the shell
Barn door above optical diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406939.8U CN209135576U (en) | 2018-08-29 | 2018-08-29 | A kind of temperature control air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406939.8U CN209135576U (en) | 2018-08-29 | 2018-08-29 | A kind of temperature control air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209135576U true CN209135576U (en) | 2019-07-23 |
Family
ID=67265870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406939.8U Active CN209135576U (en) | 2018-08-29 | 2018-08-29 | A kind of temperature control air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209135576U (en) |
-
2018
- 2018-08-29 CN CN201821406939.8U patent/CN209135576U/en active Active
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