CN206513603U - Fan foreward/rearward rotation controller and use its power supply unit - Google Patents
Fan foreward/rearward rotation controller and use its power supply unit Download PDFInfo
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- CN206513603U CN206513603U CN201621344123.8U CN201621344123U CN206513603U CN 206513603 U CN206513603 U CN 206513603U CN 201621344123 U CN201621344123 U CN 201621344123U CN 206513603 U CN206513603 U CN 206513603U
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Abstract
A kind of fan foreward/rearward rotation controller and use its power supply unit, applied to the electric fan forward or reverse driven in power supply unit.Fan foreward/rearward rotation controller is comprising microprocessing unit, motor coil group, controlling switch group, reverse drive unit and is driven forward unit.The first controlling switch and the second controlling switch in controlling switch group are electrically connected in microprocessing unit and motor coil group, are driven reverse unit and are electrically connected to microprocessing unit.It is driven forward unit and is electrically connected to motor coil group.Microprocessing unit controls the turn-on sequence of first and second controlling switch in being driven reverse when unit is triggered, make fan in reversion in a period of time.
Description
Technical field
The utility model is on fan control device, and in particular to fan foreward/rearward rotation controller.
Background technology
In the modern times that electronic industry is flourishing, various electronic installations have power supply unit to provide electric power mostly.It is general next
Say, being mainly used for of power supply unit converts alternating current to the stable dc power supply needed for various electronic installations.
In general, most of power supply unit can all install heat abstractor, such as fan and radiating module, use reduction
Electronic component in it high temperature produced when working, is imitated with increasing the operating efficiency of each electronic component and lifting overall running
Energy.Wherein, radiating module generally utilizes the mode of heat transfer, directly absorbs heat energy produced during electronic component work, then thoroughly
The operating of passing through fan and produce cross-ventilation, the heat energy that radiating module is absorbed is dissipated to by cross-ventilated heat exchange
It is extraneous.
However, when fan is rotated, can also bring extraneous dust in power supply unit into, the problem of producing laying dust is made
Into radiating result not as expected.
Utility model content
A kind of fan foreward/rearward rotation controller is provided according to the utility model, applied in power supply unit, to drive
Electric fan forward or reverse in power supply unit.Fan foreward/rearward rotation controller comprising microprocessing unit, motor coil group,
Controlling switch group, forward drive unit and reverse drive unit；Controlling switch group is opened comprising the first controlling switch and the second control
Close, the first controlling switch is electrically connected to microprocessing unit and motor coil group, and the second controlling switch is electrically connected to microprocessing unit
And motor coil group.It is driven forward unit and is electrically connected to motor coil, is driven reverse unit and is electrically connected to microprocessing unit.When anti-
When turning driver element and being triggered, microprocessing unit controls the turn-on sequence of the first controlling switch and the second controlling switch, and using makes
Electric fan is inverted.
In an embodiment of the present utility model, drive circuit, drive circuit electrical connection can be included by being driven reverse unit
In power supply unit, and to provide trigger signal to allow microprocessing unit to drive electric fan to invert.
Trigger can also be included by being driven reverse unit, be electrically connected to power supply unit and drive circuit, drive circuit is in tactile
Hair device provides trigger signal so that microprocessing unit drives electric fan to invert when being triggered.
Drive circuit can include first resistor device, second resistance device and first switch, and first resistor device is electrically connected to triggering
Device, second resistance device is electrically connected to first resistor device, and first switch is electrically connected to first resistor device and second resistance device, and first opens
Turned on when being triggered on trigger.
Drive circuit separately can comprising second switch, the 3rd switch, 3rd resistor device, the 4th resistor, the 5th resistor,
6th resistor and the 7th resistor；Second switch is electrically connected to the standby voltage of power supply unit, and the 3rd switch is electrically connected to
The standby voltage of power supply unit；3rd resistor device is electrically connected to microprocessing unit and second switch；4th resistor is electrically connected
In 3rd resistor device and second switch；5th resistor is electrically connected to the standby voltage of the 3rd switch and power supply unit；6th
Resistor is electrically connected to second switch and the 3rd switch；7th resistor is electrically connected to the 3rd switch and motor coil group.
Drive circuit can more include the 4th switch, the 8th resistor to the 13rd resistor, first and second capacitor；
8th resistor is electrically connected to the 6th resistor and the 4th switch, and the 9th resistor is electrically connected to the 4th switch, the tenth resistor
Microprocessing unit and the first controlling switch are electrically connected to, the 11st resistor is electrically connected to microprocessing unit and the second control is opened
Close, the 12nd resistor is electrically connected to microprocessing unit and first switch, the 13rd resistor be electrically connected to microprocessing unit and
3rd resistor device；First capacitor is electrically connected to the first controlling switch, and the second capacitor is electrically connected to the second controlling switch.
Drive circuit can also include the first to the 6th diode；First diode is electrically connected to the standby of power supply unit
Voltage and the 5th resistor；Second diode is electrically connected to the standby voltage and the 5th resistor of power supply unit；Three or two pole
Pipe is located between the 7th resistor and motor coil group, and is electrically connected to the 7th resistor and motor coil group；4th diode
It is electrically connected to the 3rd switch, the 7th resistor, the 12nd resistor, the 3rd diode；5th diode is located at the 4th diode
And between first resistor device, and it is electrically connected to the 4th diode, first resistor device, the 12nd resistor；6th diode is electrically connected
It is connected to the 4th switch, the 9th resistor and motor coil group.
The utility model separately provides a kind of power supply unit, includes power transfer module, electric fan and foregoing fan
Foreward/rearward rotation controller；Electric fan receives the signal of fan foreward/rearward rotation controller output with forward or reverse.
In the utility model, rotating drive module makes electric fan reversion a period of time, to carry out dedusting running, meaning
The inside laying dust of power supply unit is derived into outside so that fan there can be the feelings of less dust inside power supply unit
Radiated under condition.
Brief description of the drawings
Fig. 1 illustrates the component schematic diagram according to power supply unit of the present utility model；
Fig. 2 illustrates the partial exploded view according to power supply unit of the present utility model；
Fig. 3 illustrates the circuit block diagram according to fan foreward/rearward rotation controller of the present utility model；And
Fig. 4 illustrates the partial circuit diagram according to fan foreward/rearward rotation controller of the present utility model.
Wherein, reference
1 power supply unit
10 housings
12 power transfer modules
120 circuit boards
14 AC Power supply sockets
16 fan rotating control modules
160 motor coil groups
162 Hall elements
164 microprocessing units
166 controlling switch groups
168 are driven forward unit
170 are driven reverse unit
1700 triggers
1702 drive circuits
A, b node
B base terminals
C collector terminals
The capacitors of C1 first
The capacitors of C2 second
The diodes of D1 first
The diodes of D2 second
The diodes of D3 the 3rd
The diodes of D4 the 4th
The diodes of D5 the 5th
The diodes of D6 the 6th
E emitter-base bandgap gradings end
L1 first coils
The coils of L2 second
Q1 first switches
Q2 second switches
Q3 the 3rd is switched
Q4 the 4th is switched
R1 first resistor devices
R2 second resistance devices
R3 3rd resistor devices
The resistors of R4 the 4th
The resistors of R5 the 5th
The resistors of R6 the 6th
The resistors of R7 the 7th
The resistors of R8 the 8th
The resistors of R9 the 9th
Resistor during R10 the
The resistors of R11 the 11st
The resistors of R12 the 12nd
The resistors of R13 the 13rd
The resistors of R14 the 14th
The controlling switches of S1 first
The controlling switches of S2 second
Vm principal voltages
Vsb standby voltages
Embodiment
Fig. 1 and Fig. 2 is referred to, it illustrates the component schematic diagram and partial exploded view of power supply unit of the present utility model.
Power supply unit 1 is installed in the main frame of desktop computer, mains electricity is converted into each electronic component (example in main frame
As for CPU) needed for stable DC electricity.
Power supply unit 1 includes housing 10, power transfer module 12, AC Power supply socket 14 and fan rotating control dress
Put 16.Power transfer module 12 is set in the housing 10, and it can include circuit board 120 and multiple electronics being located on circuit board 120
Element (not another label)；Only this part should be the technology of prior art power supply unit 1, will not be described here.Power supply unit 1
Can according to successive load RL demand voltages (or demand current) selection operation in standby mode or non-standby module.
In general, in stand-by mode, power transfer module 12 can only provide standby voltage Vsb and give load RL；Non-
Under standby mode, power transfer module 12 can provide simultaneously non-standby voltage (or principal voltage) Vm and standby voltage Vsb to
Load RL；Standby voltage Vsb level is less than non-standby voltage Vm level, uses the effect for reaching energy-conservation.In addition, being treated non-
Under machine pattern, power transfer module 12 can more divide into underloading operation and non-underloading according to the non-standby voltage Vm of output level
Operation (for example carries operation and over-loading operation) comprising middle；Wherein, non-standby electricity of the power transfer module 12 when non-underloading is operated
Vm levels are pressed to be higher than its non-standby voltage Vm level when underloading is operated.When power supply unit 1 operates in standby mode and light
During load pattern, the electric fan 19 that fan foreward/rearward rotation controller 16 drives the offer radiating of power supply unit 1 to be used stops operating
To reach the effect of economize on electricity.
AC Power supply socket 14 is installed on housing 10, and is available for being connected with commercial power socket.
Electric fan 19 is adjacent to electric power input AC Power supply socket 14.Fan foreward/rearward rotation controller 16 is located at housing
In 10 (not shown), power transfer module 12 is electrically connected to；Fan foreward/rearward rotation controller 16 is applied to control electric fan
19 whether rotation and rotation direction (driving the forward or reverse of flabellum 19)., can be by outside when electric fan 19 is rotated forward
Cold air is brought into housing 10, and is taken away the heat energy that power transfer module 12 is produced by cross-ventilated heat exchange；Work as wind
When fanning the reversion of flabellum 19, the inner air of housing 10 can be taken away housing 10, use the effect for reaching dedusting.
Fig. 3 and Fig. 4 is referred to, its grade illustrates the circuit block diagram of fan foreward/rearward rotation controller of the present utility model respectively
And partial circuit diagram.In Fig. 3 and Fig. 4, fan foreward/rearward rotation controller 16 comprising motor coil group 160, Hall element 162,
Microprocessing unit 164, controlling switch group 166, forward drive unit 168 and reverse drive unit 170；Microprocessing unit 164 in
When receiving the signal for being driven reverse the output of member 170, the transfer sequence of control controlling switch group 166 is turned in motor wire to change
Zu160Zhong Ge roads current conductive state is enclosed, to change the rotation direction for the rotor (not shown) being arranged on electric fan 19, with
Electric fan 19 is allowed to invert.
Be driven reverse unit 170 include trigger 1700, and by the first to the 14th resistor R1~R14, first to
The drive circuit 1702 that 4th switch Q1~Q4 and first to the 6th diode D1~D6 is constituted.Trigger 1700 can be such as figure
Shown in 2 on the housing 10 of power supply unit 1, or, trigger 1700 can also be mounted on host machine casing；Triggering
Device 1700 is electrically connected to power transfer module 12, to receive the standby voltage Vsb of the offer of power transfer module 12；Wherein, trigger
Device 1700 can be for example normally opened (normally open) switch.Trigger 1700 triggers (such as user presses) closure through external force
Afterwards, microprocessing unit 164 can be allowed to send control signal to controlling switch group 166, pressure electric fan 19 is used and invert.
In Fig. 4, first to fourth switch Q1~Q4 be respectively bipolar transistor, and its grade all defined base terminal B,
Collector terminal C and emitter-base bandgap grading end E.First resistor device R1 and second resistance device R2 are connected in series；First resistor device R1 one end is connected to
Trigger 1700, second resistance device R2 one end ground connection, first switch Q1 base terminal B is connected to first resistor device R1 and second
The node a that resistor R2 is connected；First switch Q1 collector terminal C is electrically connected to the resistor of microprocessing unit 164 and the 12nd
R12, emitter-base bandgap grading end E are grounded.
3rd resistor device R3 and the 4th resistor R4 are connected in series, and 3rd resistor device R3 passes through the 13rd resistor R13 electricity
Microprocessing unit 164 is connected to, the 4th resistor R4 one end is connected to ground terminal；Second switch Q2 base terminal B is connected to
The node b that three resistor R3 and the 4th resistor R4 are connected.Second switch Q2 collector terminal C is connected to the 5th resistor R5's
One end, the 5th resistor R5 other end by the first diode D1 and the second diode D2 except being electrically connected to Power convert mould
Block 12；Second switch Q2 emitter-base bandgap grading end ground connection.More specifically, the first diode D1 anode is connected to standby voltage Vsb, cloudy
Pole is connected to the 5th resistor R5；When standby voltage Vsb is more than the first diode D1 cut-in voltage, the first diode D1 is led
Logical, the standby voltage Vsb that power transfer module 12 is provided can be transferred to the 5th resistor R5.Second diode D2 anode connection
In non-standby voltage Vm, negative electrode is connected to the 5th resistor R5；When non-standby voltage Vm is more than the second diode D2 incision electricity
During pressure, the second diode D2 conductings, the non-standby voltage Vm that power transfer module 18 is provided can be transferred to the 5th resistor R5.
3rd switch Q3 emitter-base bandgap grading end E is connected to standby voltage Vsb, and its base terminal B is connected to by the 6th resistor R6
Second switch Q2 collector terminal C；3rd switch Q3 collector terminal C also leads in addition to being connected to ground terminal by the 7th resistor R7
Cross the 3rd diode D3 and be connected to motor coil group 160, Hall element 162 and microprocessor are more connected to by the 4th diode D4
Unit 164.More specifically, the 3rd switch Q3 collector terminal C is connected to the 3rd diode D3 and the 4th diode D4 anode,
3rd diode D3 negative electrode is connected to first coil L1 and the second coil L2 in motor coil group 160；4th diode D4
Negative electrode be connected to microprocessing unit 164.
4th switch Q4 emitter-base bandgap grading end E is connected to non-standby power supply Vm, and its base terminal B is connected to by the 8th resistor R8
Second switch Q2 collector terminal C；4th switch Q4 collector terminal C also connects in addition to being connected to ground terminal by the 9th resistor R9
It is connected to the 6th diode D6 anode；Six or two pole D6 negative electrode is connected to first coil L1 and in motor coil group 160
Two coil L2.
Hall element 162 is turned to the electric fan 19 detected, and its first pin (1) is connected to the 14th resistor R14
One end and microprocessing unit 164 the first pin, and the 4th diode D4 and the 5th diode D5 negative electrode, the 3rd pin (3)
It is connected to the 14th resistor R14 other end and the 4th pin of microprocessing unit 164；The crus secunda (2) of Hall element 162 connects
Ground.5th diode D5 anode is connected to trigger 1700 and first resistor device R1.
5th diode D5 prevents the low level produced by first switch Q1 conductings when trigger 1700 is triggered through external force
Signal is transferred to microprocessing unit 164；In short, the 5th diode D5 provides the electricity of the first pin of stable microprocessing unit 164
Press the effect of level (may be, for example, 5 volts).
In Fig. 4, the first controlling switch S1 and the second controlling switch S2 is respectively bipolar transistor, and the two has all been defined
Base terminal B, collector terminal C and emitter-base bandgap grading end E.First controlling switch S1 base terminal B is electrically connected to micro- place by the tenth resistor R10
Unit 164 is managed, its collector terminal C is connected to first coil L1, its emitter-base bandgap grading end ground connection；May be used also between first controlling switch S1 collection emitter-base bandgap grading
With the first capacitor C1 in parallel.Second controlling switch S2 base terminal B is electrically connected to microprocessor list by the 11st resistor R11
Member 164, its collector terminal C is connected to the second coil L1, its emitter-base bandgap grading end ground connection；Can also be simultaneously between second controlling switch S2 collection emitter-base bandgap grading
Join the second capacitor C2.
It is attached to refer to Fig. 3, it is driven forward unit 168 and is electrically connected to power transfer module 12 and motor coil group 160, it receives
Principal voltage Vm and standby voltage Vsb that power transfer module 12 is provided, and rotating-speed control circuit (non-icon) can be included；Its transfer
Speed control circuit can enter sector-style according to environment temperature or pulse width modulation (pulse width modulation) signal
Fan the control of rotating speed.It is driven forward the opportunity (example that unit 168 can separately be rotated forward according to principal voltage Vm level control electric fan 19
Such as start to rotate forward when power supply module 12 departs from light-load mode) and rotating speed；Only this part should be prior art fan control
Technology, will not be described here.
When power supply unit 1 is in holding state, it exports standby voltage Vsb；Electric fan 19 is not rotated.Now,
If trigger 1700 is triggered by external force, first switch Q1 can be turned on, and the crus secunda of microprocessing unit 164 is received in low level
Trigger signal.Then, the 3rd pin of microprocessing unit 164 is sent out with scheduled time length (being, for example, 10 seconds) (in a high position
Accurate) reverse drive signal, to allow second switch Q2 to turn on；5th pin of microprocessing unit 164 and the 6th pin can also be defeated respectively
Go out to control the pulse width modulation signal of the first controlling switch S1 and the second controlling switch S2 conducting sequential.Opened second
When closing Q2 conductings, the 3rd switch Q3 is synchronously turned on, and standby voltage Vsb by the 3rd diode D3 except that can be transferred to motor coil
Group 160, can also be transferred to microprocessing unit 164 by the 4th diode D4.Thereby, the controls of the first controlling switch S1 and second
The pulse width modulation signal on or off that S2 can be provided according to microprocessing unit 164 is switched, is made in first coil L1 and the
Two coil L2 alternately conducting electric current, and force electric fan 19 to invert.
When power supply unit 1 is in the underloading operation in non-standby state, it exports standby voltage Vsb and principal voltage
Vm；Electric fan 19 is not rotated.Now, if trigger 1700 is triggered by external force, first switch Q1 can be turned on, and make microprocessing unit
164 crus secunda receives the trigger signal in low level.Then, the 3rd pin of microprocessing unit 164 can be sent out with pre- timing
Between length reverse drive signal, with allow second switch Q2 turn on；5th pin of microprocessing unit 164 and the 6th pin can also be distinguished
Output is to the pulse width modulation signal for the conducting sequential for controlling the first controlling switch S1 and the second controlling switch S2.Second
When switching Q2 conductings, the 3rd switch Q3 and the 4th switch Q4 are respectively turned on.More specifically, in the 3rd switch Q3 conductings, the
Four diode D4 are turned on, to allow standby voltage Vsb to be transferred to microprocessing unit 164.When the 4th switch Q4 conductings, the six or two pole
Pipe D6 is turned on, and ends the 3rd diode D3；Consequently, it is possible to which only non-standby voltage Vm can transmit cause motor coil group
160 first coil L1 and the second coil L2, so that the first controlling switch S1 and the second controlling switch S2 is according to microprocessing unit
The 164 pulse width modulation signal on or off provided, and reach the effect for forcing electric fan 19 to invert.
When power supply unit 1 is in the non-underloading operation in non-standby state, it exports standby voltage Vsb and principal voltage
Vm；Electric fan 19 is driven and rotated forward by forward drive unit 168.Now, if trigger 1700 is triggered by external force, first opens
Q1 conductings are closed, the crus secunda of microprocessing unit 164 is received low level calibration signal.Then, the 3rd pin meeting of microprocessing unit 164
High-order calibration signal is sent out to drive second switch Q2 to turn on；5th pin of microprocessing unit 164 and the 6th pin can also be exported respectively
To the pulse width modulation signal for the conducting sequential for controlling the first controlling switch S1 and the second controlling switch S2.In second switch
When Q2 is turned on, the 3rd switch Q3 and the 4th switch Q4 can be turned on, and standby voltage Vsb is transferred to microprocessing unit 164, and make non-
Standby voltage Vm transmission causes the first coil L1 and the second coil L2 of motor coil group 160.Thereby, make the first controlling switch S1 and
The pulse width modulation signal on or off that second controlling switch S2 is provided according to microprocessing unit 164, and reach pressure wind
Fan the effect that flabellum 19 is inverted.
What is illustrated herein is, although in the foregoing embodiment, is driven reverse the drive circuit in unit 170
1702 be to force electric fan 19 to invert when trigger 1700 is toggled；However, when actually implementing, being driven reverse unit
Drive circuit 1702 in 170 can also receive the driving of data signal to reach the effect for forcing electric fan 19 to invert.
More specifically, the driver of the entity on housing 10 or host machine casing can not be included in reverse drive unit 170
1700, and pass through the driving of software or firmware to reach the effect for forcing electric fan 19 to invert.
Although the utility model is disclosed above with embodiment, so it is not limited to the utility model, any ripe
This those skilled in the art is practised, is not being departed from spirit and scope of the present utility model, when can be used for a variety of modifications and variations, therefore this practicality
New protection domain is worked as to be defined depending on the appended claims person of defining.
Claims (10)
1. a kind of fan foreward/rearward rotation controller, it is characterised in that applied in a power supply unit, to drive an electric fan
Forward or reverse, fan foreward/rearward rotation controller Bao Han ︰
One microprocessing unit；
One motor coil group；
One controlling switch group, Bao Han ︰
One first controlling switch, is electrically connected to the microprocessing unit and the motor coil group；And
One second controlling switch, is electrically connected to the microprocessing unit and the motor coil group；
One is driven forward unit, is electrically connected to the motor coil group；And
One is driven reverse unit, is electrically connected to the microprocessing unit, when the reverse drive unit is triggered, the microprocessing unit
First controlling switch and the conducting sequential of second controlling switch are controlled, so that the electric fan is in a scheduled time length
Inverted.
2. fan foreward/rearward rotation controller as claimed in claim 1, it is characterised in that the reverse drive unit includes a driving
Circuit, to provide a trigger signal so that the microprocessing unit drives the electric fan to invert.
3. fan foreward/rearward rotation controller as claimed in claim 2, it is characterised in that the reverse drive unit includes a triggering
Device, is electrically connected to the drive circuit, and the drive circuit provides the trigger signal when trigger is triggered.
4. fan foreward/rearward rotation controller as claimed in claim 3, it is characterised in that the drive circuit is included:
One first resistor device, is electrically connected to the trigger；
One second resistance device, is electrically connected to the first resistor device；And
One first switch, is electrically connected to the first resistor device and the second resistance device, and the first switch is triggered in the trigger
When turn on.
5. fan foreward/rearward rotation controller as claimed in claim 4, it is characterised in that the drive circuit more Bao Han ︰
One second switch；
One the 3rd switch；
One 3rd resistor device, is electrically connected to the microprocessing unit and the second switch, and receive the trigger signal；
One the 4th resistor, is electrically connected to the 3rd resistor device and the second switch；
One the 5th resistor, is electrically connected to the 3rd switch and the power supply unit；
One the 6th resistor, is electrically connected to the second switch and the 3rd switch；And
One the 7th resistor, is electrically connected to the 3rd switch and the motor coil group.
6. fan foreward/rearward rotation controller as claimed in claim 5, it is characterised in that the drive circuit more Bao Han ︰
One first diode, is electrically connected to the power supply unit and the 5th resistor；
One second diode, is electrically connected to the power supply unit and the 5th resistor；And
One the 3rd diode, between the 7th resistor and the motor coil group, and be electrically connected to the 7th resistor and
The motor coil group.
7. fan foreward/rearward rotation controller as claimed in claim 6, it is characterised in that the drive circuit more Bao Han ︰
One the 4th diode, is electrically connected to the 3rd switch, the 7th resistor, the 3rd diode；And
One the 5th diode, between the 4th diode and the first resistor device, and is electrically connected to the 4th diode, is somebody's turn to do
First resistor device.
8. fan foreward/rearward rotation controller as claimed in claim 7, it is characterised in that the drive circuit more Bao Han ︰
One the 4th switch, is electrically connected to the power supply unit；
One the 8th resistor, is electrically connected to the 6th resistor and the 4th switch；
One the 9th resistor, is electrically connected to the 4th switch；And
One the 6th diode, is electrically connected to the 4th switch, the 9th resistor and the motor coil group.
9. fan foreward/rearward rotation controller as claimed in claim 8, it is characterised in that more Bao Han ︰
The tenth resistor, is electrically connected to the microprocessing unit and first controlling switch；
The 11st resistor, is electrically connected to the microprocessing unit and second controlling switch；
The 12nd resistor, is electrically connected to the microprocessing unit, the first switch, the 4th diode and the five or two pole
Pipe；
The 13rd resistor, is electrically connected to the microprocessing unit and the 3rd resistor device；
One first capacitor, is electrically connected to first controlling switch；And
One second capacitor, is electrically connected to second controlling switch.
10. a kind of power supply unit, it is characterised in that Bao Han ︰
One power transfer module；
One electric fan；And
Just like the fan foreward/rearward rotation controller any one of the claims 1 to 9, the Power convert mould is electrically connected to
Block, to drive the electric fan forward or reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344123.8U CN206513603U (en) | 2016-12-08 | 2016-12-08 | Fan foreward/rearward rotation controller and use its power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344123.8U CN206513603U (en) | 2016-12-08 | 2016-12-08 | Fan foreward/rearward rotation controller and use its power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513603U true CN206513603U (en) | 2017-09-22 |
Family
ID=59862093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621344123.8U Active CN206513603U (en) | 2016-12-08 | 2016-12-08 | Fan foreward/rearward rotation controller and use its power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902850A (en) * | 2018-01-12 | 2020-11-06 | 王氏联盟公司 | Method and apparatus relating to fan and/or lighting control |
| CN112187986A (en) * | 2020-09-29 | 2021-01-05 | 努比亚技术有限公司 | Heat dissipation control circuit, heat dissipation back splint and mobile terminal |
-
2016
- 2016-12-08 CN CN201621344123.8U patent/CN206513603U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902850A (en) * | 2018-01-12 | 2020-11-06 | 王氏联盟公司 | Method and apparatus relating to fan and/or lighting control |
| CN111902850B (en) * | 2018-01-12 | 2022-06-28 | 王氏联盟公司 | Method and system for controlling fan and/or lighting |
| CN112187986A (en) * | 2020-09-29 | 2021-01-05 | 努比亚技术有限公司 | Heat dissipation control circuit, heat dissipation back splint and mobile terminal |
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