CN214757007U - Three-in-one driver for controlling four-way LED - Google Patents
Three-in-one driver for controlling four-way LED Download PDFInfo
- Publication number
- CN214757007U CN214757007U CN202121122237.9U CN202121122237U CN214757007U CN 214757007 U CN214757007 U CN 214757007U CN 202121122237 U CN202121122237 U CN 202121122237U CN 214757007 U CN214757007 U CN 214757007U
- Authority
- CN
- China
- Prior art keywords
- unit
- port
- output
- driver
- 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.)
- Active
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a trinity control four ways LED's driver, change direct current unit, the unit that steps up, four ways drive unit, trinity isolation control unit and power supply unit including anti-interference unit, interchange. The anti-interference unit is connected with a mains supply; the power input end of the AC-to-DC conversion unit is electrically connected with the anti-interference unit; the boosting unit is electrically connected to the power output end of the AC-to-DC conversion unit and is provided with two output circuits which are a first output circuit and a second output circuit respectively; the trinity isolation control unit, trinity isolation control unit's first port is connected to a port of each feedback unit, and its second port and third port output digital control signal. The utility model discloses a driver carries out anti-electromagnetic interference, rectification filtering, the correction of stepping up, vary voltage constant current, high frequency rectification after filtering to the mains supply signal in order to drive the LED lamp.
Description
Technical Field
The utility model relates to a LED drive technical field, specific saying so relates to a trinity control four ways LED's driver.
Background
The existing similar high-power LED driver only has one path of high-current and high-power output or multi-line parallel connection to form multi-path output. The defects of the existing high-power LED driver are as follows:
existing high-power LED drivers are of two types:
the first driver only outputs one path of large current and high power, and the output current is large, the current line loss and the lamp panel current loss are large, the lighting effect is low, the lamp control form is single, and the latest UL ClassII standard cannot be met.
The second type of driver is connected in parallel in a multi-line mode to form multi-path output, and the mode that the power output of each path cannot be independently controlled and independently set is caused, so that the control form of the lamp is single, the power of the driver cannot be independently set, the driver cannot well match the power design requirement of the LED lamp, and the illumination and lightening effect of the LED lamp is influenced.
The defect is how to form:
the safety standard before updating does not have the requirement, the application scene of the high-power driver does not have the requirement for the aspect for a long time, and the driver designer forms the current product shape under the comprehensive consideration of cost and function realization.
Therefore, the conventional driver needs to be improved.
SUMMERY OF THE UTILITY MODEL
To not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a trinity control four ways LED's driver, the purpose of designing this driver is every way circuit mutually compatible, mutually noninterfere, simultaneous working, independent control to the potentiometre in every way circuit accessible its feedback unit carries out the power setting of this kind, thereby can more match the power design requirement of lamps and lanterns.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a trinity control four ways LED's driver, include:
the anti-interference unit is connected with a mains supply;
the power input end of the AC-DC conversion unit is electrically connected with the anti-interference unit;
the voltage boosting unit is electrically connected to the power output end of the alternating current-to-direct current unit and is provided with two output circuits which are a first output circuit and a second output circuit respectively;
the driving unit comprises a voltage transformation constant current unit, a control unit, a high-frequency rectification filter unit and a feedback unit, wherein in one driving unit, the input end of the voltage transformation constant current unit is electrically connected to the first output circuit, the input end of the control unit is electrically connected to the second output circuit, the voltage transformation constant current unit is bidirectionally connected with the control unit, the input end of the high-frequency rectification filter unit is electrically connected to the output end of the voltage transformation constant current unit, the second port of the high-frequency rectification filter unit is connected with the feedback unit, the third port of the high-frequency rectification filter unit is an output port, and the control unit is also connected with the feedback unit;
the three-in-one isolation control unit is characterized in that a first port of the three-in-one isolation control unit is connected to one port of each feedback unit, and a second port and a third port of the three-in-one isolation control unit output digital control signals;
the power supply unit has five ports, and its first port is connected to trinity isolation control unit's fourth port, and its second port, third port and fourth port correspond the electricity respectively and are connected to first output circuit, second output circuit and feedback unit, power supply unit's fifth port constant voltage output.
Furthermore, the driver sequentially carries out anti-electromagnetic interference, rectification filtering, voltage boosting correction, voltage transformation constant current and high-frequency rectification filtering on the mains supply signals so as to drive the LED lamp.
Further, trinity isolation control unit's signal reception comes from external control ware, and this external control ware passes through RS485 communication protocol and sends the order to inside the driver trinity isolation control unit.
Furthermore, the three-in-one isolation control unit receives signals and then converts the signals into output parameter commands, and then the output parameter commands are sent to the feedback unit.
Furthermore, the feedback unit transmits output state information to the control unit in real time so as to realize variable constant current output control of the LED lamp.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a driver carries out anti-electromagnetic interference, rectification filtering, the correction of stepping up, vary voltage constant current, high frequency rectification after filtering to the mains supply signal in order to drive the LED lamp, external controller sends the order through RS485 communication protocol simultaneously and arrives the inside trinity isolation control unit of driver, its resend output parameter command give the feedback unit, and the feedback unit conveys output state information in real time again and can realize changeable constant current output control LED lamp to the control unit. Each path of output of the driver is controlled by a company-self-simulation RS485 communication protocol, each path is mutually compatible, does not interfere with each other, works simultaneously and is independently controlled, and each path can carry out power setting on the path through a potentiometer in a feedback unit of the path, so that the power design requirement of the lamp can be better matched. The driver has the advantages of high conversion efficiency, high reliability, flexible control, low cost and simple installation, and conforms to the latest UL Class II standard.
Drawings
Fig. 1 is a schematic block diagram of the driver of the present invention.
Fig. 2a is a circuit diagram of 1-1 on the power supply main board of the present invention.
Fig. 2b is a 1-2 circuit on the power supply main board of the present invention.
Fig. 2c is a circuit diagram of 1-3 of the power supply main board of the present invention.
Fig. 3a is a circuit diagram of 1-4 on the power supply main board of the present invention.
Fig. 3b is a circuit diagram of 1-5 of the power supply main board of the present invention.
Fig. 3c is a circuit diagram of 1-6 of the power supply main board of the present invention.
Fig. 4a is a circuit diagram of 1-7 on the power supply main board of the present invention.
Fig. 4b is a circuit diagram of 1-8 circuits on the power supply main board of the present invention.
Fig. 4c is a circuit diagram of 1-9 on the power supply main board of the present invention.
Fig. 4d is a circuit diagram of 1-10 on the power supply main board of the present invention.
Fig. 4e is a circuit diagram of 1-11 of the power supply main board of the present invention.
Fig. 4f is a circuit diagram of 1-12 circuits on the power supply main board of the present invention.
Fig. 5a is a circuit diagram of 1-13 on the power supply main board of the present invention.
Fig. 5b is a circuit diagram of 1-14 on the power supply main board of the present invention.
Fig. 5c is a circuit diagram of 1-15 on the power supply main board of the present invention.
Fig. 6 is a 2-1 circuit diagram of the control board of the present invention.
Fig. 7 is a 2-2 circuit diagram of the control board of the present invention.
Fig. 8 is a 2-3 circuit diagram of the control board of the present invention.
Fig. 9 is a 2-4 circuit diagram of the control board of the present invention.
Detailed Description
The technical solution 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, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1, the present invention provides a three-in-one driver for controlling four LEDs, comprising:
the anti-interference unit is connected with a mains supply;
the power input end of the AC-DC conversion unit is electrically connected with the anti-interference unit;
the voltage boosting unit is electrically connected to the power output end of the alternating current-to-direct current unit and is provided with two output circuits which are a first output circuit and a second output circuit respectively;
the driving unit comprises a voltage transformation constant current unit, a control unit, a high-frequency rectification filter unit and a feedback unit, wherein in one driving unit, the input end of the voltage transformation constant current unit is electrically connected to the first output circuit, the input end of the control unit is electrically connected to the second output circuit, the voltage transformation constant current unit is bidirectionally connected with the control unit, the input end of the high-frequency rectification filter unit is electrically connected to the output end of the voltage transformation constant current unit, the second port of the high-frequency rectification filter unit is connected with the feedback unit, the third port of the high-frequency rectification filter unit is an output port, and the control unit is also connected with the feedback unit;
the three-in-one isolation control unit is characterized in that a first port of the three-in-one isolation control unit is connected to one port of each feedback unit, and a second port and a third port of the three-in-one isolation control unit output digital control signals;
the power supply unit has five ports, and its first port is connected to trinity isolation control unit's fourth port, and its second port, third port and fourth port correspond the electricity respectively and are connected to first output circuit, second output circuit and feedback unit, power supply unit's fifth port constant voltage output.
A preferred technical solution of this embodiment: the driver sequentially carries out anti-electromagnetic interference, rectification filtering, boosting correction, voltage transformation constant current and high-frequency rectification filtering on the mains supply signals so as to drive the LED lamp.
A preferred technical solution of this embodiment: the signal reception of trinity isolation control unit comes from external control ware, and this external control ware passes through RS485 communication protocol and sends the order and arrives inside the driver trinity isolation control unit.
A preferred technical solution of this embodiment: the three-in-one isolation control unit receives the signal and then converts the signal into an output parameter command, and then sends the output parameter command to the feedback unit.
A preferred technical solution of this embodiment: the feedback unit transmits output state information to the control unit in real time so as to realize variable constant current output control of the LED lamp.
Example 2:
as shown in fig. 2a, 2b, 2C, 3a, 3b, 3C, 4a, 4b, 4C, 4d, 4e, 4f, 5a, 5b and 5C. The utility model discloses a "a trinity control four ways LED's driver"'s theory of operation is: the utility model discloses a power divides two PCBA subassemblies, power mainboard and control panel promptly.
Power supply main board; the utility model provides a public power gets into the power, at first through common mode inductor T1, common mode inductor T2, common mode inductor T3, the noise filter device that X electric capacity CX1, X electric capacity CX2 constitute, prevents effectively that the electric wire netting noise from getting into the power, guarantees that the power is normal work, also prevents simultaneously that the inside noise of power from flowing into the electric wire netting, and effective protection electric wire netting is pure. Then, the rectifier bridge DB1, the rectifier bridge DB2, the CBB capacitor C4 and the CBB capacitor C5 convert the input alternating current commercial power into direct current. The direct current is subjected to internal calculation of a chip U1, and then the switching control of the MOSFET Q5 and the MOSFET Q7 is carried out to achieve the charging and discharging of the inductor T4 and the inductor T5, the inductor T4 and the inductor T5 are discharged to the capacitor C8 and the capacitor C9 through the diode D4 and the diode D8 to form stable high-voltage direct current, and through the process, the power supply has high power factor. The high-voltage direct current is divided into four voltage reduction constant current units and one power supply unit, and the four voltage reduction constant current units and the one power supply unit comprise:
the chip U7 collects 1# output information and feeds back the information to the chip U5 through an isolation optocoupler U9, the detailed and accurate algorithm in the chip U5 calculates the conduction time of an MOS transistor Q15 and an MOS transistor Q16, so that the charging and discharging energy of a primary coil of a transformer T8 is controlled, then the energy is transmitted to a secondary coil of the transformer T8 through magnetic coupling, the energy of a secondary coil of the transformer T8 forms low-voltage direct current through a diode D17 and a diode D27, a capacitor C49 and a capacitor C50, and the low-voltage direct current can directly drive an LED lamp load.
The chip U13 collects 2# output information and feeds back the information to the chip U11 through an isolation optocoupler U15, the detailed and accurate algorithm in the chip U11 calculates the conduction time of a transistor Q21 and a transistor Q22, so that the charging and discharging energy of a primary coil of a transformer T10 is controlled, then the energy is transmitted to a secondary coil of the transformer T10 through magnetic coupling, the energy of a secondary coil of the transformer T10 forms low-voltage direct current through a diode D21 and a diode D31, a capacitor C82 and a capacitor C83, and the low-voltage direct current can directly drive an LED lamp load.
The chip U19 collects 3# output information and feeds back the information to the chip U17 through an isolation optocoupler U21, the detailed and accurate algorithm in the chip U17 calculates the conduction time of a transistor Q27 and a transistor Q28, so that the charging and discharging energy of a primary coil of a transformer T12 is controlled, then the energy is transmitted to a secondary coil of the transformer T12 through magnetic coupling, the energy of a secondary coil of the transformer T12 forms low-voltage direct current through a diode D37 and a diode D47, a capacitor C115 and a capacitor C116, and the low-voltage direct current can directly drive an LED lamp load.
The chip U25 collects 4# output information and feeds back the information to the chip U23 through an isolation optocoupler U27, the detailed and accurate algorithm in the chip U23 calculates the conduction time of a transistor Q33 and a transistor Q34, so that the charging and discharging energy of a primary coil of a transformer T14 is controlled, then the energy is transmitted to a secondary coil of the transformer T14 through magnetic coupling, the energy of a secondary coil of the transformer T14 forms low-voltage direct current through a diode D41 and a diode D51, a capacitor C148 and a capacitor C149, and the low-voltage direct current can directly drive an LED lamp load.
The chip U2 controls the charging and discharging of a pin 4-pin 5 coil by monitoring the pin 1-pin 2 coil voltage of the transformer T7, so that the pin 1-pin 2 coil, the pin 6-pin 7 coil and the pin 9-pin 10 coil output stable direct current voltage, and the stable direct current voltage is responsible for providing working voltage and external 12V auxiliary source output voltage for the internal chip of the power supply.
As shown in fig. 6-9, control panel aspects; outside digital control signal passes through the utility model discloses proprietary RS485 communication protocol conveys master control MCU U1, master control MCU U1 receives inside program analysis behind the instruction, output the PWM1 of corresponding proportion of adjusting luminance respectively, PWM2, PWM3, PWM4, the chip U10 conveys for chip U7 above stating the power mainboard respectively through it again, chip U16 conveys for chip U13, chip U22 conveys for chip U19, chip U28 conveys for chip U25, realize respectively that 1# way LED lamp adjusts luminance and switch lamp through this process, 2# way LED lamp adjusts luminance and switch lamp, 3# way LED lamp adjusts luminance and switch lamp, 4# way LED lamp adjusts luminance and switch lamp.
The difference is as follows:
the high-power LED driver of the same type only has heavy current, high-power output all the way in the market, the utility model discloses a driver has the multichannel to satisfy the power output that ann's rule required, and every way electric current is less simultaneously, and the loss of electric current diminishes on the circuit, helps improving the lamps and lanterns light efficiency to lamps and lanterns environmental protection and energy saving more.
The high-power multiplexed output LED driver of the same type can not independent control on the market, the utility model discloses an every way of driver can be through RS485 digital communication independent control, and control is nimble, and lamps and lanterns control form is diversified.
The high-power LED driver of the same type does not have power setting function in the market, the utility model discloses an every way of driver can set up output current, output alone through the potentiometre to better match lamps and lanterns power design requirement, reach the illumination of the anticipated design of lamps and lanterns, brightening effect.
Pile up the use with a plurality of miniwatt drivers on the market and compare at high-power lamps and lanterns, the utility model discloses a driver uses in high-power lamps and lanterns, and electric energy conversion efficiency is higher, and the cost is lower, and the installation is simpler and easier, so the utility model discloses a driver application scope is wider.
With the driver adoption analog control signal on the market, the utility model discloses the RS485 digital communication mode signal transmission distance that the driver adopted is farther, and interference immunity is stronger, controls more intelligently.
The component parts are as follows: the circuit board comprises a shell with good heat dissipation performance and a circuit board arranged in the shell, wherein the circuit board comprises a circuit board body; metal substrate, insulating layer, circuit layer. The circuit board is arranged on the inner surface of the shell, and the metal base layer and the circuit layer of the circuit board are electrically insulated from the shell through an insulating layer. The circuit board is LED out of the shell through a group of 1-square three-core wires to be connected with an external commercial power input, four groups of 1-square two-core wires are LED out of the shell to be connected with an LED lamp, a group of 22AWG two-core wires are LED out of the shell to be connected with a control signal, and a group of 22AWG two-core wires are LED out of the shell to be connected with an external controller or a sensor.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (5)
1. The utility model provides a trinity control four ways LED's driver which characterized in that includes:
the anti-interference unit is connected with a mains supply;
the power input end of the AC-DC conversion unit is electrically connected with the anti-interference unit;
the voltage boosting unit is electrically connected to the power output end of the alternating current-to-direct current unit and is provided with two output circuits which are a first output circuit and a second output circuit respectively;
the driving unit comprises a voltage transformation constant current unit, a control unit, a high-frequency rectification filter unit and a feedback unit, wherein in one driving unit, the input end of the voltage transformation constant current unit is electrically connected to the first output circuit, the input end of the control unit is electrically connected to the second output circuit, the voltage transformation constant current unit is bidirectionally connected with the control unit, the input end of the high-frequency rectification filter unit is electrically connected to the output end of the voltage transformation constant current unit, the second port of the high-frequency rectification filter unit is connected with the feedback unit, the third port of the high-frequency rectification filter unit is an output port, and the control unit is also connected with the feedback unit;
the three-in-one isolation control unit is characterized in that a first port of the three-in-one isolation control unit is connected to one port of each feedback unit, and a second port and a third port of the three-in-one isolation control unit output digital control signals;
the power supply unit has five ports, and its first port is connected to trinity isolation control unit's fourth port, and its second port, third port and fourth port correspond the electricity respectively and are connected to first output circuit, second output circuit and feedback unit, power supply unit's fifth port constant voltage output.
2. The three-in-one driver for controlling four LEDs as claimed in claim 1, wherein the driver sequentially performs EMI resistance, rectification filtering, boost correction, voltage transformation, constant current, and high frequency rectification filtering on the commercial power signal to drive the LED lamp.
3. The driver of claim 1, wherein the signal of the triad isolation control unit is received from an external controller, and the external controller sends a command to the triad isolation control unit inside the driver through an RS485 communication protocol.
4. The driver of claim 3, wherein the trinity isolation control unit receives the signal and converts the signal into an output parameter command, and then sends the output parameter command to the feedback unit.
5. The driver of three-in-one control four-way LED as claimed in claim 4, wherein the feedback unit transmits output status information to the control unit in real time to realize variable constant current output control of the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122237.9U CN214757007U (en) | 2021-05-24 | 2021-05-24 | Three-in-one driver for controlling four-way LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122237.9U CN214757007U (en) | 2021-05-24 | 2021-05-24 | Three-in-one driver for controlling four-way LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214757007U true CN214757007U (en) | 2021-11-16 |
Family
ID=78624228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121122237.9U Active CN214757007U (en) | 2021-05-24 | 2021-05-24 | Three-in-one driver for controlling four-way LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214757007U (en) |
-
2021
- 2021-05-24 CN CN202121122237.9U patent/CN214757007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103139992B (en) | With the LED dimming drive system of controllable silicon bypass light adjusting circuit | |
| JP3187637U (en) | Ceiling light using non-insulated driver circuit | |
| CN102065600B (en) | LED dimming driving system | |
| CN103607800B (en) | Intelligent dimming module and intelligent dimming LED and control method thereof | |
| EP2627154B1 (en) | Semiconductor light emitting element drive device and lighting fixture with the same | |
| CN102769960A (en) | Dimmable type LED (Light Emitting Diode) driver and control method of dimmable type LED driver | |
| CN102045928A (en) | LED (light-emitting diode) lamp power supply capable of dimming | |
| CN103636107A (en) | DC-DC driver device having input and output filters, for driving a load, in particular an LED unit | |
| WO2009067923A1 (en) | Dc low voltage distribution box for indoor multi leds lamp | |
| CN104411042A (en) | LED (light emitting diode) drive device | |
| CN201774706U (en) | Drive circuit of semiconductor LED illumination high-brightness ceiling lamp | |
| CN201263232Y (en) | External connection centralized control constant-current driving unit and monitoring system for LED lighting lamp | |
| CN214757007U (en) | Three-in-one driver for controlling four-way LED | |
| CN204191007U (en) | Led drive device | |
| CN214757008U (en) | RS485 digital communication control four-way LED driver | |
| CN201937905U (en) | Light emitting diode (LED) lamp dimmable power supply | |
| CN104467424A (en) | Switching power supply for display panel | |
| CN204408690U (en) | A kind of LED drive circuit | |
| Liu et al. | A valley-fill driver with current balancing for parallel LED strings used for high-frequency ac power distribution of vehicle | |
| CN102612220A (en) | Method for controlling multiplex bus type LED lighting system | |
| WO2011069360A1 (en) | Power supply converter and led lamp | |
| CN214154891U (en) | Lamp control system | |
| CN103228083A (en) | Intelligent dimming LED driving power supply | |
| CN104735837A (en) | LED street lamp power supply without power frequency ripples and with APFC function | |
| CN201839475U (en) | LED dimming driving system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |