CN207688439U - A kind of inexpensive two grades of control circuits and its Electrothermal fan - Google Patents
A kind of inexpensive two grades of control circuits and its Electrothermal fan Download PDFInfo
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- CN207688439U CN207688439U CN201721148030.2U CN201721148030U CN207688439U CN 207688439 U CN207688439 U CN 207688439U CN 201721148030 U CN201721148030 U CN 201721148030U CN 207688439 U CN207688439 U CN 207688439U
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- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of inexpensive two grades of control circuits and its Electrothermal fan, wherein inexpensive two grades of control circuits include：Switch switch, rectification circuit and by control load circuit；The input terminal of the switching switch is connected to power supply, and a grades of connection rectification circuits of output end, b grades of connections of output end are by control load circuit.It can be as needed for switching switch, chooses whether to access rectification circuit by control load circuit, to obtain two different input voltages, also just obtains the operating power of two kinds of gears.
Description
Technical field
The utility model is related to a kind of gear control circuits.
Background technology
In many electronic products, in order to realize same function varying strength (such as intensity of wind, the temperature of electric heating)
Effect is usually provided with shift electronic circuit, and the way of the prior art is setting resistance branch, by switching switching resistance
Whether branch connects into main circuit, and different gears is achieved the effect that by resistance consumption, as shown in specification Fig. 1.
However, on the one hand, this circuit is due to there is fearless consumption, thus waste of resource, on the other hand, the consumption of resistance
Can be along with fever, for integrated circuit, heat will necessarily be transmitted to entire integration module, be easy to make the aging of product even
Burn-up；Furthermore resistance is expensive, volume is big, temperature increases, is highly susceptible to the influence of bearing power variation.
Utility model content
The utility model provides a kind of inexpensive two grades of control circuits, cuts down electrical waveform using rectification circuit, makes its output
Average voltage reduce, to reduce input voltage, to reach reduction input power, to obtain different gears, realize
The switching of gear.
One side according to the present utility model provides a kind of inexpensive two grades of control circuits, the control circuit
Including：Switch switch, rectification circuit and by control load circuit；The input terminal of the switching switch is connect with power supply, and switching is opened
A grades of the output end of pass is connect with the input terminal of rectification circuit, and the output end of rectification circuit is connect with by control load circuit；Switching
B grades of the output end of switch is directly connected to by control load circuit.
It can be as needed for switching switch, chooses whether to access rectification circuit by control load circuit.
When switching switch connection is by control load circuit, alternating current is directly powered to this by control load circuit,
Voltage is U1, when needing to shift gears, will switch output switching terminal a grades, circuit is made to be switched to rectification circuit terminal, thus by rectified current
Road is sealed in by control load circuit, then then alternating current first passes through rectification again to being powered by control load circuit, supply voltage
For U2, voltage U2 be less than it is not rectified when voltage U1, i.e. U2<U1 can obtain two kinds of voltages by switching switch
Input, also can obtain two different input powers with regard to saying, obtain two different gears, and this gear is
It is got after the voltage of power supply is directly weakened, for traditional resistance consumption, he does not have the consumption of resistance not have yet
Larger is heating up.It is possible thereby to economizing on resources, extend the effect of life of product.
In some embodiments, the rectification circuit is single-phase half-wave rectifier circuit, the single-phase half-wave rectifier circuit
Including rectifier diode, the input terminal of the rectifier diode connects a shelves of the switching switch, and output end is electrically connected to described
By control load circuit.
Voltage after single-phase half-wave rectifier circuit rectification is U2=0.45U1, that is to say, that the voltage that can be exported is not
Have and access 0.45 times of the rectification circuit, as a result, by switching the control of switch, can obtain input voltage be respectively U1 and
The two kinds of gears of 0.45U1.
In some embodiments, the rectification circuit is controlled rectification circuit, and the controlled rectification circuit input terminal connects
Be connected to a grades of the output end of the switching switch, controlled rectification circuit output end be connected to it is described by control load circuit, it is described whole
The control terminal of current circuit is connect with external control signal.The generation of external control signal can be controller such as microcontroller, or
The specific signal generation apparatus of person.
In some embodiments, the controlled rectification circuit includes thyristor, and the thyristor input terminal is connected to institute
A grades of the output end of switching switch is stated, thyristor output end is connected to described by control load circuit.
Switching switch can be directly connected to be controlled load circuit, and alternating current is powered directly to the circuit, and supply voltage is
U1, when switching switch controlled rectification circuit is connected to this by control load circuit after, can by control thyristor conducting or
Person's deadline controls its input voltage U2 and obtains second gear, wherein U2=0.45U1* (1+cos α)/2.(α is should
The pilot angle of thyristor)
In some embodiments, the controlled component by control load circuit is heating wire.
Still further aspect according to the present utility model additionally provides a kind of Electrothermal fan, which includes above
Inexpensive two grades of control circuits, further include motor and blade, and the power supply of the motor is connected to the defeated of the switching switch simultaneously
Enter end, the blade is set in the shaft of motor, and the heating wire of inexpensive two grades of control circuits is set to the back of the body of blade
Face.As a result, when motor turns, there is wind submitting, at the same time, heating wire obtains electrical heating, blade rotation can by heat with
Wind is sent out together, so out hot wind, can realize that the gear of hot blast temperature controls by controlling switching switch.
Description of the drawings
Fig. 1 is that schematic diagram is controlled electronically in the shift of the prior art；
Fig. 2 is two grades of control circuit schematic diagrames of low cost of the first embodiment of the utility model；
Fig. 3 is two grades of control circuit schematic diagrames of low cost of the second embodiment of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
The circuit with working electronic component is referred to by control load circuit in the utility model, such as
Fan, that is, the circuit of translator and associated peripheral circuits；For electric heater, that is, band heating wire and related peripheral
The circuit of circuit.
The switching switch that the utility model is improved plays the role of switching circuit, depending on including for specific circuit but not
It is limited to single-pole double-throw switch (SPDT).
Total design of the utility model is that rectification circuit as needed, which is sealed in main circuit, by switching switch (is controlled
Load circuit) in, the input voltage before sealing in load circuit is mains voltage (AC220V), is obtained at this time a kind of defeated
Enter power, a corresponding gear；After rectification circuit being sealed in main circuit (by control load circuit), mains voltage
(AC220V) main circuit (by control load circuit) is just inputted after over commutation, is obtained a different voltage at this time, also must
To another input power, another gear is corresponded to.
And the acquisition of this gear is got after directly weakening the voltage of power supply, is come compared to traditional resistance consumption
It says, he does not have the consumption of resistance not larger heating up yet.It is possible thereby to economizing on resources, extend the effect of life of product
Fruit.
The principles of the present invention will be further illustrated in following embodiment, it will be understood that follow under the above design can be with
There are many modes, in order to illustrate the above design, the utility model only provides some embodiments, and the utility model includes but not
It is limited to following implementation means.
Embodiment one：As shown in Fig. 2, the rectification circuit that the utility model uses is single-phase half-wave rectifier circuit 20, specifically
Ground says that the single-phase half-wave rectifier circuit 20 includes rectifier diode, and rectifier diode output end c is electrically connected to by control load electricity
Road 30, a grades of the output end of input terminal connection switching switch 10.
It is recognised that the voltage after single-phase half-wave rectifier circuit rectification is U2=0.45U1, that is to say, that can export
Voltage is do not access the rectification circuit 0.45 times, as a result, by switching the control of switch, can obtain input voltage difference
For the two kinds of gears of U1 and 0.45U1.
Embodiment two：As shown in figure 3, the rectification circuit that the utility model uses can be controlled rectification circuit, this is controllable
Rectification circuit output end be electrically connected to it is described by control load circuit 30, input terminal be then connected to switching switch 10 output end a
Shelves, specifically, controlled rectification circuit includes thyristor 70,70 output end of thyristor is electrically connected to load circuit 30, input terminal
It is connected to a grades of 10 output end of switching switch.
Switching switch 10 can be directly connected to be controlled load circuit 30, and alternating current is powered directly to the circuit, power supply electricity
Pressure is U1, after controlled rectification circuit is connected into this by control load circuit 30 by switching switch 10, can pass through and control thyristor
70 on or off time obtains second gear to control its input voltage U2, it is recognised that U2=0.45U1* (1+
Cos α)/2 (α is the pilot angle of the thyristor).
Particularly, heating wire is adopted as by the controlled component of control load circuit 30, also, the utility model also provides
A kind of Electrothermal fan, the Electrothermal fan include above low cost two grades of control circuits, further include motor and blade, motor
Power supply be connected to the input terminal of switching switch 10 simultaneously, blade is set in the shaft of motor, two grades of control circuits of low cost
Heating wire be set to the back side of blade.As a result, when motor turns, there is wind submitting, at the same time, heating wire obtains electric add
Heat, blade rotation can send out heat together with wind, so out hot wind, hot wind can be realized by controlling switching switch
The gear of temperature controls.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (6)
1. a kind of inexpensive two grades of control circuits, which is characterized in that the control circuit includes：Switching switch（10）, rectification
Circuit and by control load circuit（30）；
The switching switch（10）Input terminal connect with power supply, switching switch（10）A grades of output end and rectification circuit it is defeated
Enter end connection, the output end of rectification circuit with by control load circuit（30）Connection；Switching switch（10）B grades of output end and quilt
Control load circuit（30）It is directly connected to.
2. inexpensive two grades of control circuits according to claim 1, which is characterized in that the rectification circuit is single-phase half-wave
Rectification circuit（20）, the single-phase half-wave rectifier circuit（20）Including rectifier diode, the input terminal of the rectifier diode with
The switching switch（10）The connection of a shelves, the output end of rectifier diode is electrically connected to described by control load circuit（30）.
3. inexpensive two grades of control circuits according to claim 1, which is characterized in that the rectification circuit is controlled rectification
Circuit, the controlled rectification circuit input terminal are connected to the switching switch（10）A grades of output end, controlled rectification circuit output
End is connected to described by control load circuit（30）, the control terminal of the rectification circuit connect with external control signal.
4. inexpensive two grades of control circuits according to claim 3, which is characterized in that the controlled rectification circuit includes crystalline substance
Brake tube（70）, the thyristor（70）Input terminal is connected to the switching switch（10）A grades of output end, thyristor（70）Output
End is connected to described by control load circuit（30）, thyristor（70）Control terminal e connect with external control signal.
5. two grades of control circuits of low cost according to any one of claim 1 ~ 4, which is characterized in that described negative by control
Carry circuit（30）Controlled component be heating wire.
6. Electrothermal fan, which is characterized in that the fan include two grades of control circuits of low cost described in claim 5,
Motor and blade, power supply is connected to the motor simultaneously and switching switchs（10）Input terminal, the blade is set to motor
In shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148030.2U CN207688439U (en) | 2017-09-07 | 2017-09-07 | A kind of inexpensive two grades of control circuits and its Electrothermal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148030.2U CN207688439U (en) | 2017-09-07 | 2017-09-07 | A kind of inexpensive two grades of control circuits and its Electrothermal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207688439U true CN207688439U (en) | 2018-08-03 |
Family
ID=62987309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148030.2U Active CN207688439U (en) | 2017-09-07 | 2017-09-07 | A kind of inexpensive two grades of control circuits and its Electrothermal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207688439U (en) |
-
2017
- 2017-09-07 CN CN201721148030.2U patent/CN207688439U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231211 Address after: 529000 Room 203, Floor 2, Building 1, No. 21, Jintong Road, Tangxia Town, Pengjiang District, Jiangmen City, Guangdong Province Patentee after: Jiangmen Xiaosong Intelligent Technology Co.,Ltd. Address before: 529000 301, Floor 3, Building 2, No. 21, Jintong Road, Tangxia Town, Pengjiang District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN PENGJIANG DISTRICT JINYING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |