CN207491270U - LED light control circuit and LED light - Google Patents
LED light control circuit and LED light Download PDFInfo
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- CN207491270U CN207491270U CN201721680817.3U CN201721680817U CN207491270U CN 207491270 U CN207491270 U CN 207491270U CN 201721680817 U CN201721680817 U CN 201721680817U CN 207491270 U CN207491270 U CN 207491270U
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- led drive
- drive circuit
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Abstract
The utility model is related to LED light control circuit and LED light.The circuit includes:The output terminal of first power module is connected with the first end of LED drive circuit, for providing operating voltage to LED drive circuit;The second end of LED drive circuit is connect with LED light emitting device;The output terminal of second source module respectively with the input terminal of delay circuit and first end be connected, for LED control circuit connect provide operating voltage;Second end of the third end of LED drive circuit respectively with the output terminal of delay circuit and LED control circuit is connected;The third end of LED control circuit is connected with WIFI module.Wherein, before the operating voltage that delay circuit is used to provide to LED control circuit in second source module reaches predeterminated voltage, forbid the disable signal of LED drive circuit work to LED drive circuit offer.Can occur dodging situation to avoid LED light emitting device by foregoing circuit, effectively improve user experience.
Description
Technical field
This disclosure relates to technical field of LED illumination more particularly to LED light control circuit and LED light.
Background technology
With the economic rapid development with science and technology, the continuous improvement of living standard, the need that people live to intelligent residence
It asks and is also gradually increased again, convenient, comfortable, intelligentized modern way of life is also locked accreditation by more and more people and praised highly.Its
In, the foundation as entire household is illuminated, the transformation for realizing various Lighting Scenes by intelligentized control method has become
Essential attribute possessed by lamps and lanterns.
Utility model content
To overcome the problems in correlation technique, the embodiment of the present disclosure provides LED light control circuit and LED light.It is described
Technical solution is as follows:
According to the embodiment of the present disclosure in a first aspect, provide a kind of LED light control circuit, including:First power module, hair
Optical diode LED drive circuit, second source module, LED control circuit, WIFI module and delay circuit;
The output terminal of first power module is connected with the first end of the LED drive circuit, for the LED
Driving circuit provides operating voltage;
The second end of the LED drive circuit is connect with LED light emitting device;
The output terminal of the second source module respectively with the input terminal of the delay circuit and the LED control circuit
First end is connected, and operating voltage is provided for being connected to the LED control circuit;
The third end of the LED drive circuit respectively with the output terminal of the delay circuit and the LED control circuit
Second end is connected;
The third end of the LED control circuit is connected with the WIFI module;
The operating voltage that the delay circuit is used to provide to the LED control circuit in the power module reaches default
Before voltage, forbid the disable signal of the LED drive circuit work to LED drive circuit offer.
The technical scheme provided by this disclosed embodiment can include the following benefits:The output terminal of first power module
It is connected with the first end of LED drive circuit, for providing operating voltage to LED drive circuit;The second end of LED drive circuit
It is connect with LED light emitting device;The output terminal of second source module respectively with the input terminal of delay circuit and first end be connected,
Operating voltage is provided for being connected to LED control circuit;The third end of LED drive circuit respectively with the output terminal of delay circuit and
The second end of LED control circuit is connected;The third end of LED control circuit is connected with WIFI module.Wherein, delay circuit is used
Before the operating voltage provided in second source module to LED control circuit reaches predeterminated voltage, provided to LED drive circuit
The disable signal that LED drive circuit is forbidden to work.Due to being also not up to WIFI module just in the output voltage of second source module
During the voltage often to work, delay circuit can provide disable signal to LED drive circuit, so as to which LED drive circuit does not work, LED
Luminescent device would not also shine, and avoid LED light emitting device and occur dodging situation, effectively improve user experience.
In one embodiment, the delay circuit includes:Switch unit;
The control terminal of the switch unit is connected with the output terminal of the second source module;
The first end of the switch unit is connected with the third end of the LED drive circuit;
The second end ground connection of the switch unit.
In one embodiment, the switching tube is triode;
The base stage of the triode is connected with the output terminal of the second source module;
The collector of the triode is connected with the third end of the LED drive circuit;
The emitter ground connection of the triode.
In one embodiment, the delay circuit further includes:Capacitance;
The base stage of the triode is connected by the capacitance with the output terminal of the second source module.
In one embodiment, the delay circuit further includes:First resistor;
The capacitance is connected by the first resistor with the output terminal of the second source module.
In one embodiment, the delay circuit further includes:Second resistance;
One end of the second resistance is connected with the base stage of the triode;
The other end ground connection of the second resistance.
In one embodiment, the LED drive circuit includes:LED drive chip;
The Enable Pin of the LED drive chip respectively with the output terminal of the delay circuit and the LED control circuit
Second end is connected.
According to the second aspect of the embodiment of the present disclosure, a kind of LED light is provided, including LED light emitting device and such as first aspect
Any one of them LED light control circuit.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and for explaining the principle of the disclosure together with specification.
Fig. 1 is the circuit diagram according to LED light in the relevant technologies shown in an exemplary embodiment.
Fig. 2 is the structure chart according to the LED light control circuit shown in an exemplary embodiment one.
Fig. 3 is the structure chart according to the LED light control circuit shown in an exemplary embodiment two.
Fig. 4 is the structure chart according to the LED light control circuit shown in an exemplary embodiment three.
Fig. 5 is the structure chart according to the LED light control circuit shown in an exemplary embodiment four.
Fig. 6 is the structure chart according to the LED light control circuit shown in an exemplary embodiment five.
Fig. 7 is the structure chart according to the LED light control circuit shown in an exemplary embodiment six.
Fig. 8 is the structure chart according to the LED light control circuit shown in an exemplary embodiment seven.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
At present, being by wirelessly protecting more by way of mainstream in the transformation that intelligentized control method realizes various Lighting Scenes
Very (WIreless-FIdelity, referred to as:WIFI the transformation of Lighting Scene) is controlled, Fig. 1 is shown according to an exemplary embodiment
The circuit diagram of LED light in the relevant technologies gone out, as shown in Figure 1, the circuit includes:First power module 11, light emitting diode
(Light Emitting Diode, referred to as:LED) driving circuit 12, second source module 13, LED control circuit 14, WIFI
Module 15 and LED light emitting device.
Wherein, LED drive circuit 12 includes:Diode D1, LED drive chip U3, resistance R4, resistance R5 and inductance L1;
LED control circuit 14 includes triode, resistance R1, resistance R2, resistance R3, diode D2-D4;R, G, B and W are WIFI module 15
I/O interface, with the signal that LED control circuit 14 is controlled to be inputted to LED drive chip U3;First power module 11 drives for LED
Driving chip U3 power supplies in circuit 12;Second source module 13 is powered for WIFI module 15;First power module 11 provides 48V
Voltage;Second source module 13 provides 3.3V voltages;The connection relation of each device as shown in Figure 1, and the principle of the circuit with
Identical in the relevant technologies, details are not described herein again.
Upon power-up, the voltage of the first power module 11 can be increased since 0V up to 48V, the electricity of second source module 13
Pressure can be equally increased since 0V up to 3.3V, and the normal working voltage of WIFI module 15 is 3.3V, in second source module
When 13 output voltage is less than 3.3V, WIFI module 15 can't work normally, therefore the IO such as R, G, B, W of WIFI module 15 connect
Mouthful not yet export, i.e., be all low level, then triode can be connected, since triode is switched on, LED control circuit 14 to
Third pin (CTRL) input of LED drive chip U3 is high level signal, when the voltage of the first power module 11 is increased to
During the operating voltage of LED light emitting device, LED light emitting device can be lit, at this point, be equivalent to the first power module 11 suddenly by
Underloading becomes heavy duty, therefore the output voltage of the first power module 11 can fall, and may result in LED light emitting device because voltage falls
It falls and extinguishes.Since the output voltage of the first power module 11 reaches 48V not yet, the output of the first power module 11
Voltage can increase again, and in this process, the output voltage of second source module 13 has reached 3.3V, and WIFI module 15 can
With normal work, at this point, LED light emitting device is lit again.Namely LED light will appear when powering on first dodge again it is light this
Kind phenomenon, so that user experience is relatively low.
In order to solve the above-mentioned technical problem, the embodiment of the present disclosure provides a kind of LED light control circuit.Fig. 2 is shown according to one
The structure chart of LED light control circuit shown in example property embodiment one, as shown in Fig. 2, the LED light control circuit includes:
First power module 11, light emitting diode (Light Emitting Diode, referred to as:LED) driving circuit 12,
Second source module 13, LED control circuit 14, Wireless Fidelity (WIreless-FIdelity, referred to as:WIFI) 15 He of module
Delay circuit 16;
The output terminal of first power module 11 is connected with the first end of LED drive circuit 12, for LED drive circuit
12 provide operating voltage;The second end of LED drive circuit 12 is connect with LED light emitting device.
First power module 11 is for providing operating voltage for LED drive circuit 12, so that LED drive circuit 12 is normal
Work is so as to drive LED light emitting device to shine, therefore, LED drive circuit 12 need respectively with the first power module 11 and and
LED light emitting device is connected.
The output terminal of second source module 13 respectively with the input terminal of delay circuit 16 and first end be connected, for
The connection of LED control circuit 14 provides operating voltage.
The third end of LED drive circuit 12 respectively with the output terminal of delay circuit 16 and the second end of LED control circuit 14
It is connected.
The third end of LED control circuit 14 is connected with WIFI module 15.
WIFI module 15 can to 14 output signal of LED control circuit, LED control circuit 14 can by the signal received into
Row conversion, so as to be exported to LED drive circuit 12 so that the enable signal that LED drive circuit 12 works normally.
Wherein, the operating voltage that delay circuit 16 is used to provide to LED control circuit 14 in second source module 13 reaches
Before predeterminated voltage, the disable signal that LED drive circuit 12 is forbidden to work is provided to LED drive circuit 12.
Delay circuit 16 is used to detect whether the operating voltage that second source module 13 is provided to LED control circuit 14 reaches
Predeterminated voltage, and to LED drive circuit 12 provide disable signal, therefore, delay circuit 16 need respectively with second source mould
Block 13 and LED drive circuit 12 are connected.
In the relevant technologies, the normal working voltage of WIFI module 15 is not up in the voltage that second source module 13 exports
When, WIFI module 15 may can cause LED control circuit 14 to LED drive circuit 12 to the signal of the input of LED control circuit 14
The enable signal that LED drive circuit 12 works is provided, dodges happening so as to will appear LED light emitting device, and this public affairs
In opening, by increasing above-mentioned delay circuit 16 on the basis of the relevant technologies, which can be in second source mould
When the voltage that block 13 exports is not up to the normal working voltage of WIFI module 15, LED is forbidden to drive to the offer of LED drive circuit 12
The disable signal that circuit 12 works, so as to which LED drive circuit 12 will not control LED light emitting device to shine namely be not in LED
Luminescent device dodges situation;When the voltage that second source module 13 exports reaches the normal working voltage of WIFI module 15
When, delay circuit 16 will be breaking, does not influence control authority of the LED control circuit 14 to LED drive circuit 12.
Wherein, LED drive circuit 12 includes:LED drive chip;
The Enable Pin of LED drive chip respectively with the output terminal of delay circuit 16 and the second end phase of LED control circuit 14
Connection.
The technical scheme provided by this disclosed embodiment can include the following benefits:The output terminal of first power module
It is connected with the first end of LED drive circuit, for providing operating voltage to LED drive circuit;The second end of LED drive circuit
It is connect with LED light emitting device;The output terminal of second source module respectively with the input terminal of delay circuit and first end be connected,
Operating voltage is provided for being connected to LED control circuit;The third end of LED drive circuit respectively with the output terminal of delay circuit and
The second end of LED control circuit is connected;The third end of LED control circuit is connected with WIFI module.Wherein, delay circuit is used
Before the operating voltage provided in second source module to LED control circuit reaches predeterminated voltage, provided to LED drive circuit
The disable signal that LED drive circuit is forbidden to work.Due to being also not up to WIFI module just in the output voltage of second source module
During the voltage often to work, delay circuit can provide disable signal to LED drive circuit, so as to which LED drive circuit does not work, LED
Luminescent device would not also shine, and avoid LED light emitting device and occur dodging situation, effectively improve user experience.
In one embodiment, as shown in figure 3, above-mentioned delay circuit 16 includes:Switch unit 161;
The control terminal of switch unit 161 is connected with the output terminal of second source module 13;
The first end of switch unit 161 is connected with the third end of LED drive circuit 12;
The second end ground connection of switch unit 161.
Wherein, the third end of LED drive circuit 12 is the Enable Pin of LED drive chip.
Switch unit 161 is used to detect whether the operating voltage that second source module 13 is provided to LED control circuit 14 reaches
To predeterminated voltage, when detecting that the operating voltage that second source module 13 is provided to LED control circuit 14 is not up to predeterminated voltage
When, switch unit 161 is closed, and disable signal is provided to LED drive circuit 12;When detect second source module 13 to LED control
When the operating voltage that circuit 14 processed provides reaches predeterminated voltage, switch unit 161 disconnects, that is, switch unit 161 does not act as
With avoiding influencing control of the LED control circuit 14 to LED drive circuit 12.
Due to the open and close of switch unit 161 be based on second source module 13, switch unit 161
Control terminal is connected with the output terminal of second source module 13, and switch unit 161 is for controlling the defeated of LED drive circuit 12
Enter signal, therefore the first end of switch unit 161 is connected with the third end of LED drive circuit 12, the second of switch unit 161
End ground connection.
The technical scheme provided by this disclosed embodiment can include the following benefits:By the closure of switch unit and
It disconnects and realizes the conversion to the input signal of LED drive circuit, avoid LED light emitting device and occur dodging situation, have
Effect improves user experience.
Exemplary, above-mentioned switching tube can be triode or field-effect tube etc., when above-mentioned switch unit 161 is three poles
Guan Shi:
The base stage of triode is connected with the output terminal of second source module 13.
The collector of triode is connected with the third end of LED drive circuit 12.
The emitter ground connection of triode.
In one embodiment, as shown in figure 4, above-mentioned delay circuit 16 further includes:Capacitance 162;
The base stage of triode is connected by capacitance with the output terminal of second source module 13.
Since capacitance 162 is during charging, it is equivalent to a conducting wire (short circuit) in circuit, and fully charged
Afterwards, it is equivalent to an infinitely great resistance (open circuit) in circuit, therefore capacitance and switch unit 161 are cooperated makes
With can effectively promote the accuracy of triode open and close.
Can be that capacitance 162 connected to it charges during the output voltage of second source module 13 rises, capacitance
162 are equivalent to a conducting wire, at this point, delay circuit 16 is connected, the base stage for triode provides voltage, triode ON, due to
The emitter ground connection of triode, therefore provide disable signal to LED drive circuit 12;When capacitance 162 is fully charged, capacitance 162
An infinitely great resistance is equivalent to, does not provide voltage, triode open circuit for the base stage of triode, triode no longer drives to LED
Dynamic circuit 12 provides disable signal.
The technical scheme provided by this disclosed embodiment can include the following benefits:Pass through capacitance 162 and triode
Cooperation, can effectively promote the accuracy of triode open and close
In one embodiment, as shown in figure 5, above-mentioned delay circuit 16 further includes:First resistor 163;
Capacitance 162 is connected by first resistor 163 with the output terminal of second source module 13.
During the voltage of second source module 13 rises, it may appear that the voltage that second source module 13 provides is more than
The rated voltage of capacitance 162, it is breakdown so as to cause capacitance 162, therefore, hit and damaged in order to avoid there is capacitance 162
Situation can be one first resistor 163 of series connection of capacitance 162, be divided with the output voltage to second source module 13, effectively
Protect capacitance 162.
In one embodiment, as shown in fig. 6, above-mentioned delay circuit 16 further includes:Second resistance 164;
One end of second resistance 164 is connected with the control terminal of switch unit 161;
The other end ground connection of second resistance 164.
At this point, first resistor 163 and second resistance 164 form bleeder circuit.
It is worth noting that, above-mentioned delay circuit 16 can pass through integrated circuit (integrated circuit, abbreviation
For:IC it) realizes.
The embodiment of the present disclosure also provides a kind of LED light, including the LED described in LED light emitting device and any of the above-described embodiment
Lamp control circuit 14.
Wherein, LED light emitting device can be individual LED, or LED light string.
Fig. 7 is according to the structure chart of the LED light control circuit shown in an exemplary embodiment six, as shown in fig. 7, the LED
Lamp control circuit includes:
First power module 11, light emitting diode (Light Emitting Diode, referred to as:LED) driving circuit 12,
Second source module 13, LED control circuit 14, WIFI module 15 and delay circuit 16.
Wherein, LED drive circuit 12 includes:Diode D1, LED drive chip U3, resistance R4 and resistance R5;LED is controlled
Circuit 14 includes triode, resistance R1, resistance R2, resistance R3, diode D2-D4;R, G, B and W are that the IO of WIFI module 15 connects
Mouthful, with the signal that LED control circuit 14 is controlled to be inputted to LED drive chip U3;Power module 11 is in LED drive circuit 12
Driving chip U3 powers;Power module 13 is powered for WIFI module 15;Power module 11 provides 48V voltages;Power module 13 carries
For 3.3V voltages;First power module 11, light emitting diode (Light Emitting Diode, referred to as:LED) driving circuit
12nd, second source module 13, LED control circuit 14 and Wireless Fidelity (WIreless-FIdelity, referred to as:WIFI) module
The connection relation of 15 devices included and each device is similar to Fig. 1, and details are not described herein again.
Time delay module 16 includes:Triode 161, capacitance 162, first resistor 163 and second resistance 164, first resistor 163
One end connection second source module 13, one end of the other end connection capacitance 162 of first resistor 163, the other end of capacitance 162
One end of the base stage of connecting triode 161 and second resistance 164 respectively, the collector connection LED control chips of triode 161
Third pin (the Enable Pin of U3:CTRL), the emitter ground connection of triode 161, the other end ground connection of second resistance 164.
Upon power-up, the voltage of power module 11 can be increased since 0v up to 48V, and the voltage of power module 13 equally can
Raising is up to 3.3V since 0v, and the normal working voltage of WIFI module 15 is 3.3V, in the output voltage of power module 13
During less than 3.3V, WIFI module 15 can't work normally, therefore the I/O ports such as R, G, B, W of WIFI module 15 export not yet,
All it is low level, then triode Q can be connected, and since triode is switched on, LED control circuit 14 is to LED drive chip U3
Third pin (CTRL) input be high level signal, and due to the presence of delay circuit 16, in the voltage of power module 13
It can equally increase during 3.3V, can charge to capacitance 162, therefore there is electric current to be flowed from second resistance 164 since 0V
It crosses, as the voltage U between the base stage of triode 161 and emitterbeDuring more than 0.7V, triode 161 is connected, therefore the third of U3
The voltage of pin (enabled pin) is 0V, and is always maintained to the fully charged rear triode 161 of capacitance 162 just turning off, in this section
LED drive circuit 12 can be because the third pin of U3 be low level, therefore LED light emitting device not can be lit in time;First
Power module 11 will not be increased since 0V during 3.3V because of the voltage of second source module in the relevant technologies, by
It is lit in LED light emitting device and falls suddenly, but can persistently rise to 48V, and during capacitance is fully charged, second
The voltage of power module 13 has also risen to 3.3V, so that I/O interface (R, G, B and W) state of WIFI module 15 is also
It stabilizes, therefore, LED light emitting device would not be dodged after bright at this time, but is persistently lighted.
Wherein, the charging of capacitance 162 full of the required time as far as possible equal to the voltage of second source module 13 from 0V
The charging for rising to time or capacitance 162 needed for 3.3V is equal to the first power module 11 as far as possible full of the required time
Voltage time needed for 48V is risen to from 0V.
Fig. 8 is according to the structure chart of the LED light control circuit shown in an exemplary embodiment seven, as shown in figure 8, the LED
Lamp control circuit equally includes:
First power module 11, light emitting diode (Light Emitting Diode, referred to as:LED) driving circuit 12,
Second source module 13, LED control circuit 14, Wireless Fidelity (WIreless-FIdelity, referred to as:WIFI) 15 He of module
Delay circuit 16.
Wherein, LED drive circuit 12 further includes on the basis of above-mentioned Fig. 7:Capacitance C1, capacitance C2, capacitance C3 and resistance
R7;LED control circuit 14 further includes resistance R6 on the basis of above-mentioned Fig. 7, device that modules include and each device
Connection relation is similar to Fig. 1 and the relevant technologies, and the realization principle of the circuit is similar to the relevant technologies, herein no longer
It repeats.
16 role of delay circuit is same as the previously described embodiments in the circuit, and details are not described herein again.
Exemplary, power module 11 provides 36V voltages;Power module 13 provides 3.3V voltages;So in the circuit, it is electric
Hold 162 charging full of the required time as far as possible equal to second source module 13 voltage from 0V rise to needed for 3.3V when
Between or the charging of capacitance 162 rise to 36V from 0V equal to the voltage of the first power module 11 as far as possible full of the required time
The required time.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.
Claims (8)
1. a kind of LED light control circuit, which is characterized in that including:First power module, Light-emitting diode LED driving circuit,
Two power modules, LED control circuit, WIFI module and delay circuit;
The output terminal of first power module is connected with the first end of the LED drive circuit, for being driven to the LED
Circuit provides operating voltage;
The second end of the LED drive circuit is connect with LED light emitting device;
The output terminal of the second source module respectively with the input terminal of the delay circuit and the LED control circuit first
End is connected, and operating voltage is provided for being connected to the LED control circuit;
The third end of the LED drive circuit respectively with the output terminal of the delay circuit and the LED control circuit second
End is connected;
The third end of the LED control circuit is connected with the WIFI module;
The operating voltage that the delay circuit is used to provide to the LED control circuit in the power module reaches predeterminated voltage
Before, forbid the disable signal of the LED drive circuit work to LED drive circuit offer.
2. circuit according to claim 1, which is characterized in that the delay circuit includes:Switch unit;
The control terminal of the switch unit is connected with the output terminal of the second source module;
The first end of the switch unit is connected with the third end of the LED drive circuit;
The second end ground connection of the switch unit.
3. circuit according to claim 2, which is characterized in that the switching tube is triode;
The base stage of the triode is connected with the output terminal of the second source module;
The collector of the triode is connected with the third end of the LED drive circuit;
The emitter ground connection of the triode.
4. circuit according to claim 3, which is characterized in that the delay circuit further includes:Capacitance;
The base stage of the triode is connected by the capacitance with the output terminal of the second source module.
5. circuit according to claim 4, which is characterized in that the delay circuit further includes:First resistor;
The capacitance is connected by the first resistor with the output terminal of the second source module.
6. circuit according to claim 5, which is characterized in that the delay circuit further includes:Second resistance;
One end of the second resistance is connected with the base stage of the triode;
The other end ground connection of the second resistance.
7. circuit according to claim 1, which is characterized in that the LED drive circuit includes:LED drive chip;
The Enable Pin of the LED drive chip respectively with the output terminal of the delay circuit and the LED control circuit second
End is connected.
8. a kind of LED light, which is characterized in that including LED light emitting device and such as claim 1-7 any one of them LED light controls
Circuit processed.
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CN201721680817.3U CN207491270U (en) | 2017-12-06 | 2017-12-06 | LED light control circuit and LED light |
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CN201721680817.3U CN207491270U (en) | 2017-12-06 | 2017-12-06 | LED light control circuit and LED light |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107949113A (en) * | 2017-12-06 | 2018-04-20 | 北京小米移动软件有限公司 | LED light control circuit and LED light |
CN109346002A (en) * | 2018-11-27 | 2019-02-15 | 南京御弟哥哥电气有限公司 | Nixie tube drive circuit and driving method |
-
2017
- 2017-12-06 CN CN201721680817.3U patent/CN207491270U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107949113A (en) * | 2017-12-06 | 2018-04-20 | 北京小米移动软件有限公司 | LED light control circuit and LED light |
CN109346002A (en) * | 2018-11-27 | 2019-02-15 | 南京御弟哥哥电气有限公司 | Nixie tube drive circuit and driving method |
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Address after: 100085, Haidian District, 68, Qinghe street, Huarun colorful city shopping center, two, 9, 01, room Co-patentee after: Qingdao Yilai Intelligent Technology Co.,Ltd. Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: 100085, Haidian District, 68, Qinghe street, Huarun colorful city shopping center, two, 9, 01, room Co-patentee before: Qingdao Yeelink Information Technology Co.,Ltd. Patentee before: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. |
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