CN111867220A - Output circuit of intelligent Bluetooth lamp controller voltage regulation signal - Google Patents
Output circuit of intelligent Bluetooth lamp controller voltage regulation signal Download PDFInfo
- Publication number
- CN111867220A CN111867220A CN202010801780.5A CN202010801780A CN111867220A CN 111867220 A CN111867220 A CN 111867220A CN 202010801780 A CN202010801780 A CN 202010801780A CN 111867220 A CN111867220 A CN 111867220A
- Authority
- CN
- China
- Prior art keywords
- bluetooth
- digital potentiometer
- signal
- output
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 102220056331 rs730880069 Human genes 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an output circuit of a voltage regulating signal of an intelligent Bluetooth lamp controller, which comprises a power supply unit and an output control unit, wherein the power supply unit is connected with the output control unit; the power supply unit is connected with a mains supply and outputs 12V and 3.3V voltages to the output control unit; the output control unit receives the Bluetooth remote control signal, comprises a digital potentiometer, is connected with the power supply unit and outputs a voltage signal within the range of 0-10V. The control voltage signal is output by the output control unit through an SPI interface digital potentiometer, 0-256 digital units output by the Bluetooth chip of the output control unit are sent to the digital potentiometer, and 0-10V voltage signals required by control of the lamp panel are output through internal partial pressure of the array potentiometer.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to an output circuit of a voltage regulating signal of an intelligent Bluetooth lamp controller.
Background
At present, the product of intelligence house class is more and more, and each internet firm also releases respective complete set product, and wherein the scheme that comes control lamp through bluetooth also uses more and more extensively, and bluetooth intelligent control lamp on the market generally includes controller, lamp driver and 3 parts of light, and lamp driver is responsible for adjusting luminance for the light according to the signal that the controller provided, and the controller is responsible for giving lamp driver output voltage regulation signal. The controller comprises a Bluetooth wireless receiving chip and a voltage regulating signal output circuit, wherein the Bluetooth wireless receiving chip changes the voltage of the voltage regulating signal by receiving the signal of the Bluetooth remote controller and outputs the voltage to the lamp driver. The existing voltage regulation signal output scheme of the Bluetooth lamp controller is that a controller is used for receiving signals of a Bluetooth remote controller through an antenna, a Bluetooth chip outputs 0-256 levels of digital units to a DA converter, the DA converter outputs corresponding 0-3.3V voltage analog quantity, and the output of the DA converter outputs 0-10V voltage signals required by lamp panel control through an operational amplifier. However, the voltage regulating signal output scheme of the existing Bluetooth lamp controller is complex in structure and high in manufacturing cost.
Therefore, how to simplify the voltage-regulating signal output circuit of the bluetooth lamp controller and reduce the bluetooth control is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides an output circuit of voltage regulating signal of a bluetooth lamp controller, which includes a power supply unit and an output control unit; the power supply unit is connected with a mains supply and outputs 12V and 3.3V voltages to the output control unit; the output control unit comprises a digital potentiometer and a Bluetooth chip, the Bluetooth chip receives a Bluetooth remote control signal to control the digital potentiometer, and the digital potentiometer is connected with the power supply unit and outputs a voltage signal within the range of 0-10V. The control voltage signal is output by the output control unit through an SPI interface digital potentiometer, 0-256 digital units output by the Bluetooth chip of the output control unit are sent to the digital potentiometer, and 0-10V voltage signals required by control of the lamp panel are output through internal partial pressure of the array potentiometer.
In order to achieve the purpose, the invention adopts the following technical scheme:
an output circuit of a voltage regulating signal of a Bluetooth lamp controller comprises a power supply unit and an output control unit; the power supply unit is connected with a mains supply and outputs 12V and 3.3V voltages to the output control unit; the output control unit comprises a digital potentiometer and a Bluetooth chip, the Bluetooth chip receives a Bluetooth remote control signal to control the size of a voltage signal output by the digital potentiometer, and the digital potentiometer is connected with the power supply unit and outputs the voltage signal within the range of 0-10V.
Preferably, the power supply unit includes a power interface, an AC-DC conversion module, and a low dropout regulator; the power interface is sequentially connected with the AC-DC conversion module and the low-dropout linear regulator and is connected with the mains supply from the power interface; the AC-DC conversion module is connected with the low dropout linear regulator through a group of filter capacitors; the AC-DC conversion module converts the commercial power supply into a 12V direct-current voltage signal; the low dropout linear regulator converts the 12V direct current voltage signal into a 3.3V direct current voltage signal; the AC-DC conversion module and the low dropout linear regulator are connected with the output control unit.
Preferably, the output control unit further includes an antenna; the digital potentiometer and the antenna are both connected with the Bluetooth chip, the antenna transmits the Bluetooth remote control signal to the Bluetooth chip, and the Bluetooth chip processes and converts the Bluetooth remote control signal, outputs a 0-256-level digital unit to the digital potentiometer and controls the voltage signal output by the digital potentiometer; the low dropout linear regulator is connected with the Bluetooth chip and the digital potentiometer, and is connected with the Bluetooth chip through a second group of filter capacitors; the AC-DC conversion module is connected with the digital potentiometer through a resistor.
Preferably, the bluetooth chip transmits the 0-256 level digital unit to the digital potentiometer in the form of an SPI data command, and the SPI controls the change of the divided voltage resistance in the digital potentiometer.
According to the technical scheme, compared with the prior art, the invention discloses the output circuit of the voltage regulating signal of the Bluetooth lamp controller, the power supply unit supplies power to the circuit, commercial power AC220V is converted into DC12V voltage through an AC-DV conversion module, and then the voltage is output to a Bluetooth chip of the output control unit through a low-dropout linear voltage regulator DC3.3V voltage; utilize digital potentiometer to realize the output control of bluetooth lamp controller pressure regulating signal at output control unit, bluetooth lamp controller output control unit directly transmits the 0-256 level digital unit of bluetooth chip output for digital potentiometer through an SPI interface digital potentiometer, controls the partial pressure resistance change inside digital potentiometer through SPI, then outputs the required 0-10V voltage signal of bluetooth lamp control through the inside partial pressure of digital potentiometer. The invention has simple circuit structure, convenient Bluetooth control and greatly reduced manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of an output circuit structure of a voltage regulating signal of a bluetooth lamp controller according to the present invention;
FIG. 2 is a schematic diagram of a digital potentiometer circuit connection structure according to the present invention;
fig. 3 is a schematic diagram of a circuit connection structure of a power supply unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an output circuit of a voltage regulating signal of a Bluetooth lamp controller, which comprises a power supply unit and an output control unit, wherein the power supply unit is used for supplying power to the output control unit; the power supply unit is connected with a mains supply and outputs 12V and 3.3V voltages to the output control unit; the output control unit comprises a digital potentiometer and a Bluetooth chip, the Bluetooth chip receives a Bluetooth remote control signal to control the size of a voltage signal output by the digital potentiometer, and the digital potentiometer is connected with the power supply unit and outputs a voltage signal within the range of 0-10V.
In order to further optimize the technical scheme, the power supply unit comprises a power interface, an AC-DC conversion module and a low dropout linear regulator; the power interface is sequentially connected with the AC-DC conversion module and the low-dropout linear regulator, and is connected with a mains supply from the power interface; the AC-DC conversion module is connected with the low dropout linear regulator through a group A of filter capacitors; the AC-DC conversion module converts a mains supply into a 12V voltage signal; the low-dropout linear voltage regulator converts the 12V direct-current voltage signal into a 3.3V direct-current voltage signal; the AC-DC conversion module and the low dropout linear regulator are connected with the output control unit.
In order to further optimize the above technical solution, the output control unit further includes an antenna; the digital potentiometer and the antenna are connected with a Bluetooth chip, the antenna transmits Bluetooth remote control signals to the Bluetooth chip, the Bluetooth chip performs signal processing conversion on the Bluetooth remote control signals, outputs 0-256 digital units to the digital potentiometer and controls the size of voltage signals output by the digital potentiometer; the low dropout linear regulator is connected with the Bluetooth chip and the digital potentiometer, and is connected with the Bluetooth chip through a second group of filter capacitors; the AC-DC conversion module is connected with the digital potentiometer through a resistor.
In order to further optimize the technical scheme, the Bluetooth chip transmits the 0-256 digital units to the digital potentiometer in the form of SPI data commands, and the divided voltage resistance in the digital potentiometer is controlled to change through the SPI.
Example (b):
a power supply unit: the mains supply AC220V accessed to the Bluetooth controller outputs D12V voltage through an AC-DC conversion module M301, the D12V voltage filtered by the first group of filter capacitors C303 and C304 is converted by an LDO chip (low dropout regulator) U302 to output a low-voltage power supply D3V3 to supply power to the Bluetooth chip and the digital potentiometer U301, and the second group of filter capacitors C305 are filter capacitors of a 3.3V power supply; meanwhile, the voltage of D12V of the AC-DC conversion module M301 is also used as a power supply input of a voltage-dividing resistor R301 in the digital potentiometer U301. The capacitor C301 is a filter capacitor of the U301 power supply, and the capacitor C302 is a filter capacitor of the power supply input terminal of the voltage dividing resistor R301.
An output control unit: receiving a signal of the Bluetooth remote controller through an antenna and transmitting the signal to a Bluetooth chip; the digital potentiometer U301 is connected through an SPI interface, and a 0-256 level digital unit output by the Bluetooth chip is transmitted to the digital potentiometer U301 in the form of an SPI data command; the digital potentiometer U301 adopts MCP41010, a 10K controllable sliding rheostat is arranged in the digital potentiometer U301, and a 5-pin PA0 of the U301 is used as the positive input end of a potentiometer power supply and is connected to the ground end of the C301; the 1 st pin of the U301 is an SPI chip selection signal end and is connected with an SPI interface; the 2 nd pin is a clock signal end; the 3 rd pin is a data signal interface end; a 7 pin PB0 of the U301 serves as the negative end of the potentiometer power supply input and is grounded; the 6-pin PW0 of U301 is used as a voltage division signal output end of the potentiometer. Because the Bluetooth controller requires to output a voltage signal of 0-10V, a 2k resistor R301 is connected in series between a 12V power supply and a pin 5 of the U301, so that the maximum output voltage of a pin 6 PW0 of the U301 is 10V, the minimum output voltage is 0V, and the requirement input change of the lamp driver of the Bluetooth intelligent control lamp of 0-10V is met.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An output circuit of a voltage regulating signal of a Bluetooth lamp controller is characterized by comprising a power supply unit and an output control unit; the power supply unit is connected with a mains supply and outputs 12V and 3.3V voltages to the output control unit; the output control unit comprises a digital potentiometer and a Bluetooth chip, the Bluetooth chip receives a Bluetooth remote control signal to control the digital potentiometer, and the digital potentiometer is connected with the power supply unit and outputs a voltage signal within the range of 0-10V.
2. The output circuit of the voltage regulating signal of the Bluetooth lamp controller according to claim 1, wherein the power supply unit comprises a power interface, an AC-DC conversion module and a low dropout regulator;
the power interface is sequentially connected with the AC-DC conversion module and the low-dropout linear regulator and is connected with the mains supply from the power interface;
the AC-DC conversion module is connected with the low dropout linear regulator through a group of filter capacitors;
the AC-DC conversion module converts the commercial power supply into a 12V direct-current voltage signal;
the low dropout linear regulator converts the 12V direct current voltage signal into a 3.3V direct current voltage signal;
the AC-DC conversion module and the low dropout linear regulator are connected with the output control unit.
3. The output circuit of the voltage regulating signal of the Bluetooth lamp controller according to claim 2, wherein the output control unit further comprises an antenna;
the digital potentiometer and the antenna are both connected with the Bluetooth chip, the antenna transmits the Bluetooth remote control signal to the Bluetooth chip, and the Bluetooth chip outputs 0-256 digital units to the digital potentiometer;
the low dropout linear regulator is connected with the Bluetooth chip and the digital potentiometer, and is connected with the Bluetooth chip through a second group of filter capacitors;
the AC-DC conversion module is connected with the digital potentiometer through a resistor.
4. The output circuit of the voltage regulating signal of the Bluetooth lamp controller as claimed in claim 3, wherein the Bluetooth chip transmits the digital unit of 0-256 levels to the digital potentiometer in the form of SPI data command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801780.5A CN111867220A (en) | 2020-08-11 | 2020-08-11 | Output circuit of intelligent Bluetooth lamp controller voltage regulation signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801780.5A CN111867220A (en) | 2020-08-11 | 2020-08-11 | Output circuit of intelligent Bluetooth lamp controller voltage regulation signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111867220A true CN111867220A (en) | 2020-10-30 |
Family
ID=72972428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010801780.5A Pending CN111867220A (en) | 2020-08-11 | 2020-08-11 | Output circuit of intelligent Bluetooth lamp controller voltage regulation signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111867220A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050163019A1 (en) * | 2004-01-28 | 2005-07-28 | Samsung Electronics Co., Ltd. | Apparatus for and method of controlling photo diode using digital potentiometer |
| CN203151835U (en) * | 2013-03-29 | 2013-08-21 | 东莞市荣文照明电气有限公司 | SPI bus signal conversion circuit |
| CN104822208A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Step-down circuit for miniwatt HID lamp drive circuit |
| CN108226807A (en) * | 2018-01-31 | 2018-06-29 | 北京智行鸿远汽车有限公司 | A kind of digital controllable type battery cell simulator |
| CN109462918A (en) * | 2019-01-07 | 2019-03-12 | 横店集团得邦照明股份有限公司 | A kind of LED driver and its implementation based on technology of Internet of things |
| CN209435508U (en) * | 2018-12-30 | 2019-09-24 | 中山新创铭电子科技有限公司 | A kind of drone version light-adjusting and speed-adjusting driving power for Lamp with ceiling fan |
| CN209914150U (en) * | 2019-03-20 | 2020-01-07 | 深圳市宝泰光电科技有限公司 | Bluetooth intelligent light and color adjusting controller |
| WO2020044174A1 (en) * | 2018-08-21 | 2020-03-05 | Mrinq Technologies Llp | System for wireless control of electrical loads |
| CN210670699U (en) * | 2019-10-25 | 2020-06-02 | 天津城建大学 | Intelligent building lighting system based on cell-phone APP |
-
2020
- 2020-08-11 CN CN202010801780.5A patent/CN111867220A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050163019A1 (en) * | 2004-01-28 | 2005-07-28 | Samsung Electronics Co., Ltd. | Apparatus for and method of controlling photo diode using digital potentiometer |
| CN203151835U (en) * | 2013-03-29 | 2013-08-21 | 东莞市荣文照明电气有限公司 | SPI bus signal conversion circuit |
| CN104822208A (en) * | 2015-05-15 | 2015-08-05 | 泉州师范学院 | Step-down circuit for miniwatt HID lamp drive circuit |
| CN108226807A (en) * | 2018-01-31 | 2018-06-29 | 北京智行鸿远汽车有限公司 | A kind of digital controllable type battery cell simulator |
| WO2020044174A1 (en) * | 2018-08-21 | 2020-03-05 | Mrinq Technologies Llp | System for wireless control of electrical loads |
| CN209435508U (en) * | 2018-12-30 | 2019-09-24 | 中山新创铭电子科技有限公司 | A kind of drone version light-adjusting and speed-adjusting driving power for Lamp with ceiling fan |
| CN109462918A (en) * | 2019-01-07 | 2019-03-12 | 横店集团得邦照明股份有限公司 | A kind of LED driver and its implementation based on technology of Internet of things |
| CN209914150U (en) * | 2019-03-20 | 2020-01-07 | 深圳市宝泰光电科技有限公司 | Bluetooth intelligent light and color adjusting controller |
| CN210670699U (en) * | 2019-10-25 | 2020-06-02 | 天津城建大学 | Intelligent building lighting system based on cell-phone APP |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109152158B (en) | Constant voltage-to-constant current driving circuit capable of automatically adapting to input and output changes | |
| CN101060753B (en) | A drive circuit for adjusting backlight brightness | |
| CN203645873U (en) | Load regulation compensating circuit based on quasi-resonance LED constant current switch power supply | |
| CN103326555A (en) | Power supply circuit with pfc function, and automatic gain control circuit therefor and control method thereof | |
| CN107748589A (en) | A kind of adjustable circuit of output voltage and its voltage adjusting method and display device | |
| CN110547515B (en) | Electronic cigarette chip with automatic closed-loop control output voltage and working method thereof | |
| CN105298814A (en) | Integrated intelligent water supply controller having double-mode function and control method | |
| CN111867220A (en) | Output circuit of intelligent Bluetooth lamp controller voltage regulation signal | |
| CN203086362U (en) | Switching power supply and controller thereof | |
| CN105226945A (en) | Boost chip | |
| CN115752125A (en) | Controllable voltage regulating circuit, method and test system for detonator test | |
| CN218005935U (en) | Battery charging control device | |
| CN109982489A (en) | Linear constant current stepless dimming controller IC | |
| CN109600041A (en) | A kind of low ripple regulated power supply output circuit | |
| CN101577500A (en) | Regulated power supply used for hydraulic servo controller | |
| CN109120139A (en) | A kind of switching power source control circuit and method and Switching Power Supply | |
| CN211296557U (en) | High-power little ripple output of Type-C is adjustable charging device wantonly | |
| CN208589919U (en) | A kind of single tube buck driver | |
| CN104253955A (en) | Low-power-consumption constant current and stable voltage control circuit and television | |
| CN209120051U (en) | A kind of switching power source control circuit and Switching Power Supply | |
| CN208971373U (en) | Switching power source control circuit and Switching Power Supply | |
| CN111194118A (en) | LED driver and intelligent LED control system | |
| CN205092632U (en) | Output voltage adjustable portable power source adaptation line | |
| CN214954724U (en) | Constant current regulating circuit for cold and hot beauty instrument | |
| CN219041457U (en) | Boost-buck MPPT solar charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |