CN109618459A - A kind of LED illumination mould group - Google Patents
A kind of LED illumination mould group Download PDFInfo
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- CN109618459A CN109618459A CN201811626567.4A CN201811626567A CN109618459A CN 109618459 A CN109618459 A CN 109618459A CN 201811626567 A CN201811626567 A CN 201811626567A CN 109618459 A CN109618459 A CN 109618459A
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- 238000005286 illumination Methods 0.000 title claims abstract description 49
- 239000003381 stabilizer Substances 0.000 claims abstract description 34
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000001052 transient effect Effects 0.000 claims description 7
- 230000001629 suppression Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000000087 stabilizing effect Effects 0.000 description 6
- 230000006837 decompression Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 230000003760 hair shine Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED illumination mould groups, comprising: mounting body is used for mounted LED lamp string；The side wall of mounting body is provided with the first LED light string, and the bottom wall of mounting body is provided with the second LED light string；First voltage-releasing voltage stabilizer, input terminal access 220V AC power source, and output end is connect with the anode of the first LED light string and the second LED light string respectively；Constant-flow driver is connected between the output end of the first voltage-releasing voltage stabilizer and the cathode of the first LED light string, and is connected between the cathode of the first voltage-releasing voltage stabilizer and the cathode of the second LED light string；Controller is connect with constant-flow driver respectively, for receiving control instruction and to corresponding constant-flow driver output pwm signal, to drive corresponding LED light string to shine.The irradiation brightness in the vertical irradiation face of LED illumination mould group can be adjusted in LED illumination mould group of the invention, the irradiation brightness of adjustable space horizontally and vertically.
Description
Technical field
The present invention relates to LED technology field more particularly to a kind of LED illumination mould groups.
Background technique
As shown in Figure 1, usually multiple LED lamp beads are set on same plane in existing LED illumination mould group, so that
LED illumination mould group has biggish horizontal irradiation area.Existing LED illumination mould group usually passes through shining for control LED lamp bead
Quantity realizes the variation of irradiation brightness on horizontal irradiation face.
Inventor has found in the practice of the invention: due in existing LED module LED lamp bead in plane distribution and
Its light direction is vertical with horizontal irradiation face, thus existing LED module is only limitted to adjust the irradiation brightness on horizontal irradiation face,
The irradiation brightness in vertical irradiation face can not be adjusted in it.
Summary of the invention
In view of the above-mentioned problems, a kind of LED illumination mould group of the invention being capable of vertical irradiation face to LED illumination mould group and water
Irradiation brightness on flat shadow surface is adjusted, the irradiation brightness of adjustable space horizontally and vertically.
In order to solve the above technical problems, a kind of LED illumination mould group of the invention, comprising:
Mounting body is in inverted conical mesa-shaped, is used for mounted LED lamp string；Wherein, the side wall of the mounting body is provided with
At least four the first LED light strings, the bottom wall of the mounting body are provided at least two the second LED light strings；
First voltage-releasing voltage stabilizer, input terminal access 220V AC power source, output end respectively at least four article of the first LED
The anode connection of the anode of lamp string and at least two second LED light strings；
At least six constant-flow drivers are connected to the output end of first voltage-releasing voltage stabilizer and described at least four
Between the cathode of first LED light string, and it is connected to the cathode and at least two the 2nd LED of first voltage-releasing voltage stabilizer
Between the cathode of lamp string；
Controller is connect at least six constant-flow driver respectively, for receiving control instruction and to corresponding perseverance
Driver output pwm signal is flowed, to drive corresponding LED light string to shine.
Compared with prior art, due in LED illumination mould group of the invention first LED light string be set to mounting body side
Wall, the second LED light string are set to the bottom wall of mounting body, so that it is in spatial distribution that the first LED light string and the second LED light string, which are constituted,
Light source, and the light direction of the first LED light string is vertical with vertical irradiation face, the light direction of the second LED light string and horizontal shines
It is vertical to penetrate face；Wherein, the first voltage-releasing voltage stabilizer, for carrying out decompression and pressure stabilizing to 220V AC power source, to the first LED light
String, the second LED light string and constant-flow driver are powered respectively；Controller is for receiving control instruction and to corresponding constant-flow driver
Output pwm signal to drive corresponding LED light string to shine, and then realizes the vertical irradiation face to LED illumination mould group and horizontal photograph
Penetrate the adjusting of the irradiation brightness on face, the irradiation brightness of adjustable space horizontally and vertically.
As an improvement of the above scheme, first voltage-releasing voltage stabilizer includes:
Fuse, first end are connect with the first end of the 220V AC power source；
Varistor, first end are connect with the second end of the fuse, and the of second end and the 220V AC power source
The connection of two ends；
First rectifier bridge stack, ac input end is in parallel with the both ends of the varistor, the first DC output end and second
First capacitor and the first Transient Suppression Diode, and the first DC output end and described at least four are parallel between DC output end
The anode connection of the anode of the first LED light string of item and at least two second LED light strings, the second direct current output termination
Ground.
As an improvement of the above scheme, each constant-flow driver includes driving circuit and constant-current driven chip；It is described
Constant-current driven chip has pwm signal input terminal and four constant-current supply output ends；The driving circuit includes:
With the sequentially connected first resistor of the first DC output end, second resistance and the third electricity of first rectifier bridge stack
Resistance, the 3rd resistor ground connection；
Second Transient Suppression Diode, the positive tie point with the second resistance and the 3rd resistor are connect, cathode
It is connected to the base stage of the first triode；
The base stage of first triode is connected to the controller by the 4th resistance, for receiving the pwm signal；
The base stage of first triode is connected to the pwm signal input terminal of the driving chip by the 5th resistance eutral grounding, collector,
Emitter ground connection；
The pwm signal input terminal of the constant-current driven chip is described by the 6th resistance and the second capacity earth in parallel
Four constant current output ends respectively with the one-to-one connection of four points of connection in corresponding LED light string.
As an improvement of the above scheme, the LED illumination mould group further include:
Transceiver is instructed, for receiving external control instruction；The external control instruction is by external equipment by wirelessly sending out
Mode is sent to send；
Described instruction transceiver is connect by serial signal line with the controller, described in sending to the controller
External control instruction.
As an improvement of the above scheme, the LED illumination mould group further includes for receiving to the controller and described instruction
The second voltage-releasing voltage stabilizer of device power supply is sent out, second voltage-releasing voltage stabilizer includes:
Second rectifier bridge stack, the first ac input end are exchanged by the 7th resistance and third capacitor in parallel with the 220V
The first end of power supply connects, and the second ac input end is connect with the second end of the 220V AC power source, the first DC output end
And second be parallel with the 4th capacitor, the 5th capacitor and the 8th resistance and the first zener diode between DC output end series connection
Branch, the second DC output end ground connection；
Second triode, collector are connect with the first DC output end of second rectifier bridge stack, and between base stage
Be connected in parallel the 9th resistance and the tenth resistance, base stage is grounded by the second zener diode, emitter pass through parallel connection the
Six capacitors and the 7th capacity earth, and connect respectively with described instruction transceiver and the controller to realize power supply.
As an improvement of the above scheme, described instruction transceiver includes reception of wireless signals chip, has wireless signal defeated
Enter end and rs 232 serial interface signal output end；Wherein,
The wireless signal input terminal is connected with wireless receiving circuit, for receiving the external control instruction；
The rs 232 serial interface signal output end, for exporting the external control instruction.
As an improvement of the above scheme, the LED illumination mould group further include:
Reset circuit is connect, for providing reset signal with the controller；
Read-only memory is connect with the controller, initial for being provided according to the reset signal to the controller
Control instruction, so that the controller exports initial p WM signal to the constant-flow driver.
As an improvement of the above scheme, at least four first LED light strings have different light emitting angles；It is described at least
Two the second LED light strings have different light emitting angles.
As an improvement of the above scheme, at least four first LED light strings are centered around on the side wall of the mounting body,
Alternatively, the first LED light string of two of them at least four first LED light strings is set to the first side of the mounting body
On wall, the first LED light string of two other at least four first LED light strings is set to second side of the mounting body
On wall, and the first LED light string of the two of them and outer two first LED light strings are symmetrical arranged；
At least two second LED light strings are centered around on the bottom wall of the mounting body, to constitute in spatial distribution
Annular lamp string.
As an improvement of the above scheme, the radiator in inverted conical mesa-shaped is provided in the mounting body, it is described
Radiator and the mounting body, which are integrally formed, to be arranged.
Detailed description of the invention
Fig. 1 is the layout diagram of LED lamp bead in the prior art.
Fig. 2 is LED light string, the first voltage-releasing voltage stabilizer, constant-flow driver and control in 1 illumination module of the embodiment of the present invention
Circuit connecting relation schematic diagram between device.
Fig. 3 is that first LED light string and the second LED light string are laid in mounting body in LED illumination mould group of the invention
Schematic diagram.
Fig. 4 is that first LED light string and the second LED light string are laid in mounting body in LED illumination mould group of the invention
A kind of bottom view.
Fig. 5 is that first LED light string and the second LED light string are laid in mounting body in LED illumination mould group of the invention
Another bottom view.
Fig. 6 is the structural schematic diagram of the first voltage-releasing voltage stabilizer in the LED illumination mould group of the embodiment of the present invention 1.
Fig. 7 is the first voltage-releasing voltage stabilizer output end and the first LED light string in the LED illumination mould group of the embodiment of the present invention 1
Connection schematic diagram.
Fig. 8 is the structural schematic diagram of constant-flow driver in the LED illumination mould group of the embodiment of the present invention 1.
Fig. 9 is a kind of structural schematic diagram of LED illumination mould group of the embodiment of the present invention 2.
Figure 10 is the structural schematic diagram of the second voltage-releasing voltage stabilizer in the embodiment of the present invention 2.
Figure 11 is the company of wireless signal receiver, read-only memory and reset circuit and controller in the embodiment of the present invention 2
Connect schematic diagram.
Figure 12 is the first LED light string setting tool showing there are two types of the lens of light emitting angle in LED illumination mould group of the invention
It is intended to.
Specific embodiment
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with
It is different from the other modes of this description much to implement, those skilled in the art can be without violating the connotation of the present invention
Similar popularization is done, therefore the present invention is not limited by the specific embodiments disclosed below.
Clear, complete description is carried out to technical solution of the present invention with attached drawing combined with specific embodiments below.
Embodiment 1
As shown in Figures 2 and 3, which includes: mounting body 1, is in inverted conical mesa-shaped, for installing LED
Lamp string；Wherein, the side wall of mounting body 1 is provided at least four the first LED light string L1, the bottom wall of mounting body 1 be provided with to
Few two the second LED light string L2；First voltage-releasing voltage stabilizer 2, input terminal access 220V AC power source, and output end is respectively at least four
The anode connection of the anode of the first LED light string of item L1 and at least two the second LED light string L2；At least six constant-flow drivers 3, point
It is not connected between the output end of the first voltage-releasing voltage stabilizer 2 and the cathode of at least four the first LED light string L1, and is connected to
Between the cathode of one voltage-releasing voltage stabilizer 2 and the cathode of at least two second LED light string L2；Controller 4, it is permanent at least six respectively
Driver 3 is flowed to connect, it is corresponding to drive for receiving control instruction and to corresponding 3 output pwm signal of constant-flow driver
LED light string shines.
Below by taking constant-flow driver is connect with first LED light string and second LED light string as an example, to embodiment 1
LED illumination mould group be described in detail.
Fig. 2 is referred to, is LED light string in the embodiment of the present invention 1, the first voltage-releasing voltage stabilizer 2, constant-flow driver 3 and control
Circuit connecting relation schematic diagram between device 4.
As shown in Figures 2 and 3, in the LED illumination mould group, since the first LED light string L1 is set to 1 side of mounting body
Wall, the second LED light string L2 are set to the bottom wall of mounting body 1, so that the first LED light string L1 and the second LED light string L2 composition is in
The light source of spatial distribution, and the light direction of the first LED light string L1 is vertical with vertical irradiation face, the second LED light string L2's goes out light
Direction is vertical with horizontal irradiation face；Wherein, the first voltage-releasing voltage stabilizer 2, for carrying out decompression and pressure stabilizing to 220V AC power source, with
It powers respectively to the first LED light string L1, the second LED light string L2 and constant-flow driver 3；Controller 4 is for receiving control instruction simultaneously
To corresponding 3 output pwm signal of constant-flow driver, to drive corresponding LED light string to shine, and then realize to LED illumination mould group
Vertical irradiation face and the irradiation brightness on horizontal irradiation face adjusting, into the photograph of adjustable space horizontally and vertically
Penetrate brightness.
Wherein, as shown in Figure 3 and Figure 4, at least four the first LED light string L1 in the LED illumination mould group are centered around installation
On the side wall of main body 1, at least two the second LED light string L2 are centered around on the bottom wall of mounting body 1, constitute the ring in spatial distribution
Shape lamp string.Controller 4 constant-flow driver 3 drive the first LED light string L1 and the second LED light string L2 shine by way of include:
When the continuous current that constant-flow driver 3 is provided to the second LED light string L2 is greater than the perseverance provided to the first LED light string L1
When galvanic electricity stream, the irradiation brightness of the LED illumination mould group horizontal irradiation face center increases, can fast lifting horizontal irradiation face
Irradiation brightness；In addition, constant-flow driver 3 can also provide different size of continuous current to the second LED light string L2 to adjust water
The irradiation brightness of flat shadow surface.
When the continuous current that constant-flow driver 3 is provided to the first LED light string L1 is greater than the perseverance provided to the second LED light string L2
When galvanic electricity stream, the irradiation brightness of the LED illumination mould group side increases, and then can promote the irradiation brightness in vertical irradiation face, moreover it is possible to
Promote the irradiation brightness to horizontal irradiation face edge；In addition, constant-flow driver 3 can also provide difference to the first LED light string L1
The continuous current of size adjusts the irradiation brightness in vertical irradiation face.
Preferably, as shown in figure 3, being provided with the radiator 11 in inverted conical mesa-shaped, the radiator in mounting body 1
11 with mounting body 1 be integrally formed be arranged, at least four the first LED light string L1 and at least two the second LED light string L2 into
Row heat dissipation.In addition, the first LED light string L1 and the second LED light string L2 can be connect by aluminum substrate 12 with the mounting body 1,
In, the first LED light string L1 and the second LED light string L2 are welded on aluminum substrate 12, which is set to the bottom of mounting body 1
On wall and side wall.
Preferably, as shown in figure 3, being additionally provided with accommodating chamber 13 in the mounting body 1, the accommodating chamber 13 is for accommodating first
Voltage-releasing voltage stabilizer 2, constant-flow driver 3 and controller 4.
In addition, as shown in Figure 3 and Figure 5, in LED illumination mould group of the invention, at least four first LED light string L1 are also
It can be set in the following way on the side wall of mounting body 1: the two of them first of at least four first LED light string L1
LED light string L1 is set on the first side wall of mounting body 1, the first LED of two other of at least four article first LED light string L1
Lamp string L1 is set in the second sidewall of mounting body 1, and the two of them the first LED light string L1 and the two other first
LED light string L1 is symmetrical arranged, so that constant-flow driver 3 can respectively drive the first LED light on the first side wall or in second sidewall
The L1 that goes here and there shines, and realizes the adjusting to the irradiation brightness in vertical irradiation face.
Further, as shown in Figure 6 and Figure 7, in the LED illumination mould group, the first voltage-releasing voltage stabilizer 2 includes: fuse F1,
First end is connect with the first end L of 220V AC power source；Varistor MOV1, first end are connect with the second end of fuse F1,
Second end is connect with the second end N of 220V AC power source；First rectifier bridge stack DB1, ac input end and varistor MOV1's
Both ends are in parallel, and first capacitor C1 is parallel between the first DC output end and the second DC output end and the first transient state inhibits two poles
Pipe TVS1, and the anode of the first DC output end and at least four the first LED light string L1 and at least two the second LED light string L2
Anode connection, the second DC output end ground connection.
Wherein, in first voltage-releasing voltage stabilizer 2, the anti-wave of fuse F1 and varistor MOV1 composition 220V AC power source
Gush circuit；220V AC power source is output to the ac input end of the first rectifier bridge stack DB1, the first rectifier bridge stack after fuse F1
First capacitor C1 and the first Transient Suppression Diode in parallel between the first DC output end and the second DC output end of DB1
TVS1 is filtered to the first rectifier bridge stack DB1 DC power signal exported and pressure stabilizing, enables first voltage-releasing voltage stabilizer 2
It is enough that the first LED light string L1 and the second LED light bar provide stable voltage.
Specifically, as shown in figure 8, in above-mentioned LED illumination mould group, each constant-flow driver 3 includes driving circuit 31 and perseverance
Flow driving chip 32；Constant-current driven chip 32 has pwm signal input terminal and four constant-current supply output ends；Driving circuit 31 wraps
It includes: the sequentially connected first resistor R1 of the first DC output end, second resistance R2 and 3rd resistor with the first rectifier bridge stack DB1
R3,3rd resistor R3 ground connection；Second Transient Suppression Diode TVS2, the tie point of anode and second resistance R2 and 3rd resistor R3
Connection, cathode are connected to the base stage of the first triode Q1；The base stage of first triode Q1 is connected to control by the 4th resistance R4
Device 4, for receiving the pwm signal；The base stage of first triode Q1 is grounded by the 5th resistance R5, and collector is connected to constant current
The pwm signal input terminal of driving chip 32, emitter ground connection；The pwm signal input terminal of constant-current driven chip 32 passes through parallel connection
6th resistance R6 and the second capacitor C2 ground connection, four constant current output ends respectively with the four points of connection one in corresponding LED light string
It is connected to one.
As shown in Figure 7 and Figure 8, in constant-flow driver 3, the first voltage-releasing voltage stabilizer 2 is the power supply of driving circuit 31, works as PWM
When signal is exported from controller 4 and the 4th resistance R4 to the base stage of the first triode Q1, the first triode Q1 is cut according to pwm signal
It only and is connected, and then pwm signal is transmitted to the pwm signal input terminal of constant-current driven chip 32, so that constant-current driven chip 32
Constant current driving current is provided from constant-current supply output end；Wherein, 4 constant-current supply output end Out1 of the constant-current driven chip 32
~Out4 respectively with 4 one-to-one connections of tie point L1-1~L1-4 in the first LED light string L1 so that the constant-current driven chip
32, according to the different duty of pwm signal, control different constant-current supply output end output constant current driving currents, realize to first
The Discrete control of LED light string L1 can more accurately adjust the light emission luminance of the first LED light string L1, realize vertical irradiation face
Irradiation brightness accurate adjusting.
Preferably, above-mentioned constant-current driven chip 32 includes SDS3537BS chip.
It should be understood that in LED illumination mould group of the invention, four constant currents of constant-current driven chip in constant-flow driver
Output end respectively with the one-to-one connection of four points of connection in the second LED light string, with to the second LED light string realize Discrete control.
Embodiment 2
Fig. 9 is referred to, is the structural schematic diagram of LED illumination mould group in the embodiment of the present invention 2.
The LED illumination mould group is other than comprising whole building blocks in embodiment 1, further includes: instruction transceiver 5,
For receiving external control instruction；External control instruction is sent by external equipment by wireless transmission mode；Instruct transceiver 5 logical
It crosses serial signal line to connect with controller 4, for sending external control instruction to controller 4；For to the controller 4 and institute
State the second voltage-releasing voltage stabilizer 6 that instruction transceiver 5 is powered.
Wherein, as shown in Figure 10, the second voltage-releasing voltage stabilizer 6 includes: the second rectifier bridge stack DB2, and the first ac input end is logical
In parallel the 7th resistance R7 and third capacitor C3 is crossed to connect with the first end L of 220V AC power source, the second ac input end and
The second end N connection of 220V AC power source, be parallel between the first DC output end and the second DC output end the 4th capacitor C4,
The series arm of 5th capacitor C5 and the 8th resistance R8 and the first zener diode D1, the second DC output end ground connection；Second
Triode Q2, collector are connect with the first DC output end of the second rectifier bridge stack DB2, and are connected between base stage in parallel
9th resistance R9 and the tenth resistance R10, base stage are grounded by the second zener diode D2, and emitter passes through the 6th capacitor in parallel
C6 and the 7th capacitor C7 ground connection, and connect respectively with instruction transceiver 5 and controller 4 to realize power supply.
In the second voltage-releasing voltage stabilizer 6, the 7th resistance R7 in parallel exchanges current limliting decompression input with third capacitor C3 composition
Circuit, for carrying out current limliting and decompression to 220V AC power source；Second rectifier bridge stack DB2 is used for the power supply after current limliting and decompression
Signal is further depressured, and is successively carried out low frequency filtering through the 4th capacitor C4, carried out High frequency filter, warp through the 5th capacitor C5
8th resistance R8 carries out current limliting and carries out pressure limiting through the first zener diode D1, realizes preliminary pressure stabilizing；And then through preliminary pressure stabilizing
Power supply signal be output to the second triode Q2 again and carry out opening up stream pressure stabilizing, stablized with being exported by the emitter of the second triode Q2
Power supply signal；Wherein, the 6th capacitor C6 and the 7th capacitor C7 is for filtering the second triode Q2 power supply signal exported
Wave.
Wherein, as shown in figure 11, instruction transceiver 5 includes reception of wireless signals chip 51, has wireless signal input terminal
With rs 232 serial interface signal output end；Wireless signal input terminal is connected with wireless receiving circuit, and for receiving external control instruction, this is wireless
Receiving circuit includes sequentially connected first inductance l1, the second inductance l2 and third inductance l3, which passes through the 8th
Capacity earth, the third inductance l3 by the 9th capacity earth, the both ends of second inductance l2 respectively with reception of wireless signals core
Two input terminals of piece 51 connect；Rs 232 serial interface signal output end, for exporting the external control instruction to controller 4.Wherein, this is outer
Portion's control instruction can be sent by external equipments such as mobile terminal, radar transmitter and infrared transmitters.
Further, as shown in figure 11, LED illumination mould group, further includes: the reset circuit connecting with controller 4, this is multiple
Position circuit is made of concatenated eleventh resistor R11 and the tenth capacitor C10, wherein eleventh resistor R11 and the tenth capacitor C10
Tie point and control connect, to provide power-on reset signal, eleventh resistor R11 passes through third zener diode D3 and the
The cathode of the output end VCC2 connection of two voltage-releasing voltage stabilizers, third zener diode D3 passes through the 11st capacitor C11 in parallel
It is grounded with the 12nd capacitor C12, is filtered with the output to third zener diode D3, is mentioned to reset circuit and controller 4
For stable voltage；Read-only memory 7 is connect with controller 4, for providing initial control to controller 4 according to reset signal
Instruction, so that controller 4 exports initial p WM signal to constant-flow driver 3.
Preferably, above-mentioned read-only memory 7 includes AT24C08 chip.
Preferably, in above-described embodiment, at least four the first LED light string L1 have different light emitting angles；At least two
Second LED light string L2 has different light emitting angles.For example, as shown in figure 12, it can be by the way that at least two the second LED light strings be arranged
The light emitting angle of the first lamp string L11 in L2 is the second lamp string in 45 °~90 °, and at least two the second LED light string L2
The light emitting angle of L12 is 10 °~45 °, when so that driving the different lamp strings in the second LED light string L2, can adjust the second LED light
The light radiation direction of string L2.Wherein, the light emitting angle of the second LED light string L2 has the lens of different light emitting angles by setting
To realize.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, it is made to the above embodiment according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of LED illumination mould group characterized by comprising
Mounting body is in inverted conical mesa-shaped, is used for mounted LED lamp string；Wherein, the side wall of the mounting body is provided at least
Four the first LED light strings, the bottom wall of the mounting body are provided at least two the second LED light strings；
First voltage-releasing voltage stabilizer, input terminal access 220V AC power source, output end respectively at least four first LED light strings
Anode and at least two second LED light strings anode connection；
At least six constant-flow drivers are connected to the output end of first voltage-releasing voltage stabilizer and described at least four first
Between the cathode of LED light string, and be connected to first voltage-releasing voltage stabilizer cathode and at least two second LED light string
Cathode between；
Controller is connect at least six constant-flow driver respectively, for receiving control instruction and driving to corresponding constant current
Dynamic device output pwm signal, to drive corresponding LED light string to shine.
2. LED illumination mould group as described in claim 1, which is characterized in that first voltage-releasing voltage stabilizer includes:
Fuse, first end are connect with the first end of the 220V AC power source；
Varistor, first end are connect with the second end of the fuse, the second end of second end and the 220V AC power source
Connection；
First rectifier bridge stack, ac input end is in parallel with the both ends of the varistor, the first DC output end and the second direct current
It is parallel with first capacitor and the first Transient Suppression Diode between output end, and the first DC output end and at least four articles the described
The anode connection of the anode of one LED light string and at least two second LED light strings, the second DC output end ground connection.
3. LED illumination mould group as claimed in claim 2, which is characterized in that each constant-flow driver include driving circuit and
Constant-current driven chip；The constant-current driven chip has pwm signal input terminal and four constant-current supply output ends；The driving electricity
Road includes:
With the sequentially connected first resistor of the first DC output end, second resistance and the 3rd resistor of first rectifier bridge stack,
The 3rd resistor ground connection；
Second Transient Suppression Diode, the positive tie point with the second resistance and the 3rd resistor are connect, cathode connection
To the base stage of the first triode；
The base stage of first triode is connected to the controller by the 4th resistance, for receiving the pwm signal；It is described
The base stage of first triode is connected to the pwm signal input terminal of the constant-current driven chip by the 5th resistance eutral grounding, collector,
Emitter ground connection；
The pwm signal input terminal of the constant-current driven chip is by parallel the 6th resistance and the second capacity earth, and described four
Constant current output end respectively with the one-to-one connection of four points of connection in corresponding LED light string.
4. LED illumination mould group as described in claim 1, which is characterized in that further include:
Transceiver is instructed, for receiving external control instruction；The external control instruction passes through wireless transmission side by external equipment
Formula is sent；
Described instruction transceiver is connect by serial signal line with the controller, for sending the outside to the controller
Control instruction.
5. LED illumination mould group as claimed in claim 4, which is characterized in that further include for the controller and the finger
The second voltage-releasing voltage stabilizer for enabling transceiver power, second voltage-releasing voltage stabilizer include:
Second rectifier bridge stack, the first ac input end pass through the 7th resistance and third capacitor in parallel and the 220V AC power source
First end connection, the second ac input end connect with the second end of the 220V AC power source, the first DC output end and the
The series connection branch of the 4th capacitor, the 5th capacitor and the 8th resistance and the first zener diode is parallel between two DC output ends
Road, the second DC output end ground connection；
Second triode, collector is connect with the first DC output end of second rectifier bridge stack, and is connected between base stage
There are the 9th resistance and the tenth resistance in parallel, base stage is grounded by the second zener diode, and emitter passes through the 6th electricity in parallel
Appearance and the 7th capacity earth, and connect respectively with described instruction transceiver and the controller to realize power supply.
6. LED illumination mould group as claimed in claim 4, which is characterized in that described instruction transceiver includes reception of wireless signals
Chip has wireless signal input terminal and rs 232 serial interface signal output end；Wherein,
The wireless signal input terminal is connected with wireless receiving circuit, for receiving the external control instruction；
The rs 232 serial interface signal output end, for exporting the external control instruction.
7. LED illumination mould group as claimed in claim 4, which is characterized in that further include:
Reset circuit is connect, for providing reset signal with the controller；
Read-only memory is connect with the controller, for providing initial control to the controller according to the reset signal
Instruction, so that the controller exports initial p WM signal to the constant-flow driver.
8. LED illumination mould group as described in claim 1, which is characterized in that at least four first LED light strings have difference
Light emitting angle；At least two second LED light strings have different light emitting angles.
9. LED illumination mould group as described in claim 1, which is characterized in that at least four first LED light strings are centered around institute
It states on the side wall of mounting body, alternatively, the first LED light string of two of them at least four first LED light strings is set to
On the first side wall of the mounting body, the first LED light string of two other at least four first LED light strings is set to
In the second sidewall of the mounting body, and the first LED light string of the two of them and outer two first LED light strings are symmetrical
Setting；
At least two second LED light strings are centered around on the bottom wall of the mounting body, to constitute the annular for being in spatial distribution
Lamp string.
10. LED illumination mould group as described in claim 1, which is characterized in that be provided in the mounting body in inversion circle
Pyramidal radiator, the radiator and the mounting body, which are integrally formed, to be arranged.
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| CN201811626567.4A CN109618459B (en) | 2018-12-28 | 2018-12-28 | LED (light-emitting diode) lighting module |
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| CN109618459B (en) | 2024-04-16 |
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