CN207783196U - Lamps and lanterns and its control device - Google Patents
Lamps and lanterns and its control device Download PDFInfo
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- CN207783196U CN207783196U CN201721370490.XU CN201721370490U CN207783196U CN 207783196 U CN207783196 U CN 207783196U CN 201721370490 U CN201721370490 U CN 201721370490U CN 207783196 U CN207783196 U CN 207783196U
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Abstract
The utility model discloses a kind of lamps and lanterns and its control device, which includes：Rectification filtering module, power supply module, brightness control module and constant-current driven module, wherein rectification filtering module is used to carry out rectification and filtering to the mains supply of input, and exports the first direct current；For being handled the first direct current to be powered to brightness control module and constant-current driven module, power supply module is also connected with the signal input part of constant-current driven module to input first control signal to constant-current driven module power supply module；Brightness control module is used to generate second control signal according to environmental aspect；Constant-current driven module generates the first brightness drive signal when receiving first control signal and not receiving second control signal to drive lamps and lanterns to send out the light of the first brightness, and generates the second brightness drive signal when receiving first control signal and second control signal to drive lamps and lanterns to send out the light of the second brightness.Device according to the present utility model can reduce production cost.
Description
Technical field
The utility model is related to lighting technical field, more particularly to a kind of lamp control device and a kind of lamps and lanterns.
Background technology
As the improvement of people's living standards, requirement of the people to lamps and lanterns is also higher and higher.
The radar inductive lighting lamp of the relevant technologies needs additional power supply chip module to carry out the radar module of its inside
Power supply, increases production cost.
Utility model content
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality
Be to propose a kind of lamp control device with a novel purpose, can not only intelligently be controlled according to environmental aspect lamps and lanterns into
Row brightness switches, and production cost is relatively low.
Second purpose of the utility model is to propose a kind of lamps and lanterns.
In order to achieve the above objectives, the utility model proposes a kind of lamp control device, which includes rectifying and wave-filtering mould
Block, power supply module, brightness control module and constant-current driven module, wherein the input terminal of the rectification filtering module is connected to city
Power supply, the rectification filtering module is used to carry out rectification and filtering to the mains supply of input, and passes through the rectifying and wave-filtering
The output end of module exports the first direct current；The power supply module respectively with the output end of the rectification filtering module, described bright
The power input of degree control module is connected with the power input of the constant-current driven module, and the power supply module is used for institute
It states the first direct current to be handled to be powered the brightness control module and the constant-current driven module, the power supply mould
Block is also connected with the signal input part of the constant-current driven module to input first control signal to the constant-current driven module；Institute
It states brightness control module with the signal input part of the constant-current driven module to be connected, the brightness control module is used for according to environment
Situation generates second control signal, and is supplied to the constant-current driven module；The constant-current driven module is receiving described
One controls signal and generates the first brightness drive signal when not receiving the second control signal to drive the lamps and lanterns to send out
The light of first brightness, and the second brightness driving letter is generated when receiving the first control signal and the second control signal
Number to drive the lamps and lanterns to send out the light of the second brightness, wherein second brightness is more than first brightness.
Lamp control device according to the present utility model, rectification filtering module carry out rectification and filter to the mains supply of input
Wave, and by the output end of rectification filtering module export the first direct current, power supply module to first direct current handled with
Brightness control module and constant-current driven module are powered, and power supply module also with the signal input part phase of constant-current driven module
Even to input first control signal to constant-current driven module, brightness control module can generate the second control according to environmental aspect to be believed
Number, and it is supplied to constant-current driven module, constant-current driven module is receiving first control signal and is not receiving the second control letter
Number when generate the first brightness drive signal to drive lamps and lanterns to send out the light of the first brightness, and receiving first control signal and
The second brightness drive signal is generated to drive lamps and lanterns to send out the light of the second brightness when two control signals, and thereby, it is possible to according to environment
Situation intelligently controls lamps and lanterns and carries out brightness switching, and powers for brightness control module without additional power supply chip, thus raw
It is relatively low to produce cost.
In addition, according to the utility model proposes lamp control device can also have following additional technical characteristic：
Specifically, the power supply module includes quick-launch section, and the quick-launch section includes：Concatenated first electricity
The output end phase of one end and the rectification filtering module of resistance and second resistance, the concatenated first resistor and second resistance
Even；First TVS pipe, the cathode of first TVS pipe are connected with the other end of the concatenated first resistor and second resistance, institute
State the plus earth of the first TVS pipe；The both ends of first capacitance, first capacitance are connected respectively to the first TVS pipe anode
And cathode；3rd resistor, one end of the 3rd resistor are connected with the output end of the rectification filtering module；First switch pipe,
The driving end of the first switch pipe is connected with the other end of the concatenated first resistor and second resistance, the first switch
The first end of pipe is connected with the other end of the 3rd resistor, and the second end of the first switch pipe is controlled with the brightness respectively
The signal input part phase of the power input of module, the power input of the constant-current driven module and the constant-current driven module
Even.
Further, the power supply module further includes continued power unit, and the continued power unit includes：First grade
Winding, first secondary windings are coupled with the first armature winding in the power supply circuit of the lamps and lanterns to obtain electric energy,
One end of first secondary windings is grounded；4th resistance, one end of the 4th resistance are another with first secondary windings
One end is connected；First diode, the anode of first diode are connected with the other end of the 4th resistance；One or three pole
Pipe, the collector of first triode are connected with the cathode of first diode；5th resistance, the 5th resistance connection
Between the collector and base stage of first triode；Second capacitance, one end of first capacitance and the one or three pole
The collector of pipe is connected, the other end ground connection of first capacitance；Second TVS pipe, the cathode of second TVS pipe and described the
The base stage of one triode is connected, the plus earth of second TVS pipe；First polar capacitor, the sun of first polar capacitor
Pole is connected with the emitter of first triode, the minus earth of first polar capacitor；Second polar capacitor, described
The anode of two polar capacitors is connected with the second end of the first switch pipe, the minus earth of second polar capacitor；Second
Diode, the anode of second diode are connected with the emitter of first triode, the cathode of second diode
It is connected with the second end of the first switch pipe.
Specifically, the brightness control module includes：Radar sensing unit, the first end conduct of the radar sensing unit
The power input of the brightness control module；6th resistance, the 6th resistance are connected to the sun of first polar capacitor
Between pole and the first end of the radar sensing unit；Third diode, the anode of the third diode and the radar sense
The second end of unit is answered to be connected, the cathode of the third diode is connected with the signal input part of the constant-current driven module；The
Seven resistance, the 7th resistance are connected between the second end of the first switch pipe and the cathode of the third diode；And
The 8th resistance, the 9th resistance and the third capacitance of connection, the 8th resistance of parallel connection, the 9th resistance and third capacitance one end and
The cathode of the third diode is connected, the other end is grounded.
Specifically, the constant-current driven module includes：First pin of constant-current driven chip, the constant-current driven chip is made
For the power input of the constant-current driven module, the second pin of the constant-current driven chip is as the constant-current driven module
Signal input part, the third pin of the constant-current driven chip is for exporting the first brightness drive signal and described second
Brightness drive signal；One end of tenth resistance, the tenth resistance is connected with the third pin of the constant-current driven chip；Second
The driving end of switching tube, the second switch pipe is connected with the other end of the tenth resistance, and the first end of the second switch pipe is used
To be connected to one end of the lamps and lanterns, wherein the other end of the lamps and lanterns is connected with the output end of the rectification filtering module；And
The eleventh resistor and twelfth resistor of connection, the eleventh resistor of the parallel connection and one end of twelfth resistor are opened with described second
The second end of pass pipe is connected, the other end is grounded.
Further, the constant-current driven module further includes：The both ends of 4th capacitance, the 4th capacitance are connected respectively to
The first end and second end of the second switch pipe；Thirteenth resistor, the both ends of the thirteenth resistor are connected respectively to described
The driving end of second switch pipe and second end；14th resistance, one end and the constant-current driven chip of the 14th resistance
The 4th pin be connected, the other end of the 14th resistance is connected with the second end of the second switch pipe.
Wherein, the 5th pin of the constant-current driven chip is by the 5th capacity earth, and the of the constant-current driven chip
Six pins by parallel the 6th capacitance and the 15th resistance eutral grounding, and by the 16th resistance be connected to first grade around
The other end of group, the 7th pin of the constant-current driven chip is by the 17th resistance eutral grounding, and the of the constant-current driven chip
Eight pins are grounded.
Specifically, one end of first armature winding is connected with the first end of the second switch pipe, at the beginning of described first
The other end of grade winding is being connected to one end of the lamps and lanterns.
Further, the constant-current driven module further includes：4th diode, the anode of the 4th diode with it is described
The first end of second switch pipe is connected, and the cathode of the 4th diode is connected to the output end of the rectification filtering module；And
The 18th resistance and third polar capacitor of connection, the 18th resistance of parallel connection and one end of third polar capacitor and described the
The other end of one armature winding is connected, the other end is connected to the output end of the rectification filtering module；7th capacitance, the described 7th
One end of capacitance is connected with the other end of first armature winding, the other end ground connection of the 7th capacitance.
Specifically, the lamps and lanterns are LED light.
In order to achieve the above objectives, the utility model also proposed a kind of lamps and lanterns it include the utility model proposes lamps and lanterns control
Device processed.
Lamps and lanterns according to the present utility model can intelligently carry out brightness switching according to environmental aspect, and without additional
Power supply chip is powered for brightness control module, thus production cost is relatively low.
Description of the drawings
Fig. 1 is the block diagram according to the lamp control device of the utility model embodiment；
Fig. 2 is the electrical block diagram according to the lamp control device of the utility model one embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The lamps and lanterns and its control device of the utility model embodiment are described below in conjunction with the accompanying drawings.
Fig. 1 is the block diagram of the lamp control device of the utility model embodiment.
As shown in Figure 1, the lamp control device of the utility model embodiment, including rectification filtering module 100, power supply module
200, brightness control module 300 and constant-current driven module 400.
Wherein, the input terminal of rectification filtering module 100 is connected to mains supply, and rectification filtering module 100 is used for input
Mains supply carry out rectification and filtering, and pass through the output end of rectification filtering module 100 and export the first direct current；Power supply module
200 respectively with the output end of rectification filtering module 100, the power input of brightness control module 300 and constant-current driven module 400
Power input be connected, power supply module 200 is for handling with to brightness control module 300 and constant current the first direct current
Drive module 400 is powered, and power supply module 200 also drives the signal input part of 400 pieces of mould to be connected to be driven to constant current with constant current
Dynamic model block 400 inputs first control signal；Brightness control module 300 is connected with the signal input part of constant-current driven module 400, bright
It spends control module 300 to be used to generate second control signal according to environmental aspect, and is supplied to constant-current driven module 400；Constant current is driven
Dynamic model block 400 generates the first brightness drive signal when receiving first control signal and not receiving second control signal to drive
Dynamic lamps and lanterns send out the light of the first brightness, and the second brightness driving is generated when receiving first control signal and second control signal
Signal is to drive lamps and lanterns to send out the light of the second brightness, wherein the second brightness is more than the first brightness.
In one embodiment of the utility model, rectification filtering module 100 may include EMI filter circuit, rectifier bridge and
First filter circuit.As shown in Fig. 2, EMI filter circuit may include the first common mode inductance L1, the first X capacitances C8, concatenated first
Bleeder resistance R18 and the second bleeder resistance R19, the second common mode inductance L2, the 2nd X capacitances C9；Rectifier bridge BD may include four by
The rectifier diode of the form connection of full-wave bridge rectifier circuit；First filter circuit may include third bleeder resistance in parallel
R20 and filter inductance L3, the first filter capacitor C10 and the second filter capacitor C11 in parallel.In addition, rectification filtering module 100 is also
It may include protective tube F1.Wherein, protective tube F1 is connected to the ends firewire L of mains supply, the first end a1 of the first common mode inductance L1
Be connected with protective tube F1, the second end b1 of the first common mode inductance L1 is connected with the zero curve N-terminal of mains supply, the first X capacitances C8 with
The third end c1 and the 4th end d1 of first common mode inductance L1 is connected, concatenated first bleeder resistance R18 and the second bleeder resistance R19
Be connected with the third end c1 of the first common mode inductance L1 and the 4th end d1, and with the first end a2 and second end of the second common mode inductance L2
B2 is connected, and the 2nd X capacitances C9 is connected between the third end c2 and the 4th end d2 of the second common mode inductance L2, and the first of rectifier bridge BD
Port and second port can be connected with the third end c2 of the second common mode inductance L2 and the 4th end d2 respectively, the third end of rectifier bridge BD
Mouth ground connection, the 4th port of rectifier bridge BD is connected with one end of third bleeder resistance R20 in parallel and filter inductance L3, in parallel
The other end of third bleeder resistance R20 and filter inductance L3 are with the first filter capacitor C10's in parallel and the second filter capacitor C11
One end is connected, and the other end of the first filter capacitor C10 and the second filter capacitor C11 in parallel can be used as rectification filtering module 100
Output end.Rectification and filtering can be carried out to mains supply as a result, to pass through the output end of rectification filtering module 100 output the
One direct current.
In one embodiment of the utility model, as shown in Fig. 2, power supply module 200 may include quick-launch section
210, quick-launch section 210 may include concatenated first resistor R1 and second resistance R2, the first TVS pipe T1, the first capacitance C1,
3rd resistor R3, first switch pipe Q1.Wherein, one end and the rectification filtering module of concatenated first resistor R1 and second resistance R2
100 output end is connected；The cathode of first TVS pipe T1 is connected with the other end of concatenated first resistor R1 and second resistance R2,
The plus earth of first TVS pipe T1；The both ends of first capacitance C1 are connected respectively to the first TVS pipe T1 anode and cathodes；Third electricity
One end of resistance R3 is connected with the output end of rectification filtering module 100；The driving end of first switch pipe Q1 and concatenated first resistor
R1 is connected with the other end of second resistance R2, and the first end of first switch pipe Q1 is connected with the other end of 3rd resistor R3, and first
The second end of switching tube Q1 respectively with the power input of brightness control module 300, the power input of constant-current driven module 400
It is connected with the signal input part of constant-current driven module 400.
Further, as shown in Fig. 2, power supply module 200 further includes continued power unit 220, continued power unit 220 wraps
Include the first secondary windings T1a, the 4th resistance R4, the first diode D1, the first triode VT1, the 5th resistance R5, the second capacitance
C2, the second TVS pipe T2, the first polar capacitor EC1, the second polar capacitor EC2 and the second diode D2.Wherein, first grade around
Group T1a is coupled with the first armature winding T1A in the power supply circuit of lamps and lanterns 500 to obtain electric energy, the first secondary windings T1a
One end ground connection；One end of 4th resistance R4 is connected with the other end of the first secondary windings T1a；The anode of first diode D1 with
The other end of 4th resistance R4 is connected；The collector of first triode VT1 is connected with the cathode of the first diode D1；5th resistance
R5 is connected between the collector and base stage of the first triode VT1；The current collection of one end of the first capacitance C1 and the first triode VT1
Extremely it is connected, the other end ground connection of the first capacitance C1；The cathode of second TVS pipe T2 is connected with the base stage of the first triode VT1, and second
The plus earth of TVS pipe T2；The anode of first polar capacitor EC1 is connected with the emitter of the first triode VT1, the first polarity electricity
Hold the minus earth of EC1；The anode of second polar capacitor EC2 is connected with the second end of first switch pipe Q1, the second polar capacitor
The minus earth of EC2；The anode of second diode D2 is connected with the emitter of the first triode VT1, the moon of the second diode D2
Pole is connected with the second end of first switch pipe Q1.
In one embodiment of the utility model, as shown in Fig. 2, brightness control module 300 includes radar sensing unit
310, the 6th resistance R6, third diode D3, the 7th resistance R7 and the 8th resistance R8, the 9th resistance R9 and third capacitance in parallel
C3.Wherein, power inputs of the first end e of radar sensing unit 310 as brightness control module 300；6th resistance R6 connects
It is connected between the anode of the first polar capacitor EC1 and the first end e of radar sensing unit 310；The anode of third diode D3 with
The second end f of radar sensing unit 310 is connected, the signal input part of the cathode and constant-current driven module 400 of third diode D3
It is connected；7th resistance R7 is connected between the second end of first switch pipe Q1 and the cathode of third diode D3；In parallel the 8th
One end of resistance R8, the 9th resistance R9 and third capacitance C3 are connected with the cathode of third diode D3, the other end is grounded.
In one embodiment of the utility model, as shown in Fig. 2, constant-current driven module 400 includes constant-current driven chip
410, the tenth resistance R10, second switch pipe Q2 and eleventh resistor R11 in parallel and twelfth resistor R12.Wherein, constant current is driven
Power inputs of the first pin VDD of dynamic chip 410 as constant-current driven module 400, the second of constant-current driven chip 410 draws
Signal input parts of the foot CLPF as constant-current driven module 400, the third pin DRV of constant-current driven chip 410 is for exporting the
One brightness drive signal and the second brightness drive signal；One end of tenth resistance R10 and the third pin of constant-current driven chip 410
DRV is connected；The driving end of second switch pipe Q2 is connected with the other end of the tenth resistance R10, and the first end of second switch pipe Q2 is used
To be connected to one end of lamps and lanterns, wherein the other end of lamps and lanterns is connected with the output end of rectification filtering module 100；In parallel the tenth
One end of one resistance R11 and twelfth resistor R12 is connected with the second end of second switch pipe Q2, the other end is grounded.Wherein, lamps and lanterns
It can be LED light.It should be noted that the first end of second switch pipe Q2 can be connected with the port n of constant-current driven module 400, with
It is connected to one end of lamps and lanterns, the output end of rectification filtering module 100 can be connected with the port m of constant-current driven module 400, with connection
To the other end of lamps and lanterns.
Further, as shown in Fig. 2, constant-current driven module 400 further includes the 4th capacitance C2, thirteenth resistor R13 and
14 resistance R14.Wherein, the both ends of the 4th capacitance C4 are connected respectively to the first end and second end of second switch pipe Q2；Tenth
The both ends of three resistance R13 are connected respectively to driving end and the second end of second switch pipe Q2；One end of 14th resistance R14 and perseverance
The 4th pin CS for flowing driving chip 410 is connected, the second end phase of the other end and second switch pipe Q2 of the 14th resistance R14
Even.
In one embodiment of the utility model, as shown in Fig. 2, constant-current driven module 400 further includes the 4th diode
D4, the 18th resistance R18 in parallel and third polar capacitor EC3, the 7th capacitance C7.Wherein, the anode of the 4th diode D4 with
The first end of second switch pipe Q2 is connected, and the cathode of the 4th diode D4 is connected to the output end of rectification filtering module 100；It is in parallel
The 18th resistance R18 and third polar capacitor EC3 one end be connected with the other end of the first armature winding T1A, the other end connect
It is connected to the output end of rectification filtering module 100；One end of 7th capacitance C7 is connected with the other end of the first armature winding T1A, the
The other end of seven capacitances is grounded.
Wherein, as shown in Fig. 2, one end of the first armature winding T1A is connected with the first end of second switch pipe Q2, at the beginning of first
The other end of grade winding T1A is being connected to one end of lamps and lanterns.
Based on foregoing circuit structure, when mains supply starts input rectifying filter module 100, mains supply is through over commutation
After the rectification and filtering of filter module 100, the first direct current can be exported from the output end of rectification filtering module 100.Rectifying and wave-filtering
First direct current of the output end output of module 100 can be input to first by concatenated first resistor R1 and second resistance R2 and open
The driving end of pipe Q1 is closed, so that the Q1 conductings of first switch pipe, to make the first direct current can be from after the processing for mould 200 of powering
The second port of first switch pipe Q1 inputs the power input and constant-current driven module 400 of brightness control module 300 respectively
Power input, you can input the first pin of the first end e and constant-current driven chip 410 of radar sensing unit 310 respectively
VDD, to be powered respectively to brightness control module 300 and constant-current driven module 400.First direct current is by power supply mould 200
Processing after can also flow into brightness control module 300 from one end of the 7th resistance R7, by the 7th resistance R7 and in parallel the
First control signal is exported after the partial pressure of eight resistance R8 and the 9th resistance R9, and the first control signal can be input to constant current driving
The signal input part of module 400, i.e. the second pin CLPF of constant-current driven chip 410.At this point, the of constant-current driven chip 410
Exportable first drive signals of three pin DRV, and pass through the driving end that the tenth resistance R10 is input to second switch pipe Q2, with control
Second switch pipe Q2 conductings processed, to make have electric current to flow through in lamps and lanterns, and are formed into a loop, to drive lamps and lanterns to send out the first brightness
Light.Therefore, constant-current driven module 400, can fast driving lamps and lanterns in the first control signal for receiving quick-launch section output
The light for sending out the first brightness, to avoid lamps and lanterns from the phenomenon that flashing light occur when opening.
In one embodiment of the utility model, after mains supply input rectifying 100 a period of time of filter module, i.e.,
Rectification filtering module 100 can input the first stable direct current to power supply module 200, and first switch pipe Q1 is disconnected, at this point, first
Secondary windings T1a can be coupled with the first armature winding T1A in power supply circuit to obtain electric energy.That is, can pass through
The first secondary windings T1a in transformer, which with the first armature winding T1A couple, generates induced voltage, which passes through the 4th
After resistance R4, the first diode D1, the first triode and the second diode D2, the electricity of brightness control module 300 can be inputted respectively
The power input of source input terminal and constant-current driven module 400, you can input respectively radar sensing unit 310 first end e and
First pin VDD of constant-current driven chip 410, to supply respectively brightness control module 300 and constant-current driven module 400
Electricity.The voltage can also input brightness control module 300 from one end of the 7th resistance R7, by the 7th resistance R7 and in parallel the
First control signal is exported after the partial pressure of eight resistance R8 and the 9th resistance R9, and the first control signal can be input to constant current driving
The signal input part of module 400, i.e. the second pin CLPF of constant-current driven chip 410.At this point, the of constant-current driven chip 410
Exportable first drive signals of three pin DRV, and pass through the driving end that the tenth resistance R10 is input to second switch pipe Q2, with dimension
It holds second switch pipe Q2 to continue to be connected, to make persistently there is electric current to flow through in lamps and lanterns, and be formed into a loop, so that lamps and lanterns 500 continue
Send out the light of the first brightness.
In one embodiment of the utility model, the second port of first switch pipe Q1 can be used as power supply module 200
Output port.After power supply module 200 handles the first direct current of the output end output of rectification filtering module 100, pass through
The second port of first switch pipe Q1 can be powered constant-current driven module 400, at the same also can to brightness control module 300 into
Row power supply, it is therefore not necessary to which additional power supply chip is powered for brightness control module 300, to keep production cost relatively low.And it powers
It, can also be to constant-current driven module after module 200 handles the first direct current of the output end output of rectification filtering module 100
400 input first control signals, to drive lamps and lanterns to send out the light of the first brightness.
Further, brightness control module 300 can be according to environmental aspect (such as densely populated degree, whether there is or not vehicles to pass through)
Second control signal is generated, which can be input to the letter of constant-current driven module 400 after third diode D3
Number input terminal, i.e. the second pin CLPF of constant-current driven chip 410.The signal input part of constant-current driven module 400 is receiving
When first control signal and second control signal, the second brightness drive signal, second brightness can be exported by third pin DRV
Drive signal can be input to the driving end of second switch pipe Q2 by the tenth resistance R10, wherein the second brightness drive signal is opposite
The electric current for flowing into lamps and lanterns 500 is enabled to increase for the first brightness drive signal, such as the second brightness drive signal accounts for
Sky is than the duty ratio more than the first brightness drive signal, and so as to make the brightness of lamps and lanterns increase, i.e., lamps and lanterns send out the second brightness
Light.
That is, when radar sensing unit 310 senses vehicle, pedestrian etc. in its induction range, brightness control
Module 300 generates second control signal, and constant-current driven module 400 can receive first control signal and second control signal, and
Driving lamps and lanterns switch to the light for sending out the second brightness from the light for sending out the first brightness, i.e. the brightness of lamps and lanterns increases.When radar incudes
Whens unit 310 does not sense vehicle, pedestrian etc. in its induction range, brightness control module does not generate second control signal,
Constant-current driven module only receives first control signal, and lamps and lanterns is driven to send out the light of the first brightness.As a result, to the brightness of lamps and lanterns
The switching that can be achieved between all light and glimmer improves the adventure in daily life of user to meet the needs of users.
It, can be by changing the 7th resistance R7, the 8th resistance R8 and the 9th resistance in one embodiment of the utility model
The resistance value of R9, the luminance parameter of the light for the first brightness that control lamps and lanterns are sent out control the brightness ginseng that lamps and lanterns send out the light of glimmer
Number, with meet user different application scenarios demand.
In addition, in one embodiment of the utility model, as shown in Fig. 2, the 5th pin of constant-current driven chip 410
For COMP by the 5th capacitance C5 ground connection, the 6th pin DSEN of constant-current driven chip 410 passes through the 6th capacitance C6 in parallel and the
15 resistance R15 are grounded, and the other end of the first secondary windings T1a, constant-current driven chip are connected to by the 16th resistance R16
410 the 7th pin PWM passes through the 17th resistance R17 ground connection, the 8th pin GND ground connection of constant-current driven chip 410.
Lamp control device according to the present utility model, rectification filtering module carry out rectification and filter to the mains supply of input
Wave, and by the output end of rectification filtering module export the first direct current, power supply module to first direct current handled with
Brightness control module and constant-current driven module are powered, and power supply module also with the signal input part phase of constant-current driven module
Even to input first control signal to constant-current driven module, brightness control module can generate the second control according to environmental aspect to be believed
Number, and it is supplied to constant-current driven module, constant-current driven module is receiving first control signal and is not receiving the second control letter
Number when generate the first brightness drive signal to drive lamps and lanterns to send out the light of the first brightness, and receiving first control signal and
The second brightness drive signal is generated to drive lamps and lanterns to send out the light of the second brightness when two control signals, and thereby, it is possible to according to environment
Situation intelligently controls lamps and lanterns and carries out brightness switching, and powers for brightness control module without additional power supply chip, thus raw
It is relatively low to produce cost.
Corresponding above-described embodiment, the utility model also propose a kind of lamps and lanterns.
The lamps and lanterns of the utility model embodiment include the lamp control device of the utility model above-described embodiment proposition,
Specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
According to the lamps and lanterns of the utility model embodiment, brightness switching, and nothing can be intelligently carried out according to environmental aspect
Additional power supply chip is needed to power for brightness control module, thus production cost is relatively low.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (11)
1. a kind of lamp control device, which is characterized in that including rectification filtering module, power supply module, brightness control module and perseverance
Flow drive module, wherein
The input terminal of the rectification filtering module is connected to mains supply, and the rectification filtering module is used for the alternating current electricity to input
Source carries out rectification and filtering, and exports the first direct current by the output end of the rectification filtering module；
The power supply module respectively with the output end of the rectification filtering module, the brightness control module power input and
The power input of the constant-current driven module is connected, and the power supply module is for handling with right first direct current
The brightness control module and the constant-current driven module are powered, the power supply module also with the constant-current driven module
Signal input part is connected to input first control signal to the constant-current driven module；
The brightness control module is connected with the signal input part of the constant-current driven module, and the brightness control module is used for root
Second control signal is generated according to environmental aspect, and is supplied to the constant-current driven module；
The constant-current driven module is generated when receiving the first control signal and not receiving the second control signal
First brightness drive signal is receiving the first control signal and institute to drive the lamps and lanterns to send out the light of the first brightness
The second brightness drive signal is generated when stating second control signal to drive the lamps and lanterns to send out the light of the second brightness, wherein described
Second brightness is more than first brightness.
2. lamp control device according to claim 1, which is characterized in that the power supply module includes quickly starting list
Member, the quick-launch section include：
One end of concatenated first resistor and second resistance, the concatenated first resistor and second resistance and the rectifying and wave-filtering
The output end of module is connected；
First TVS pipe, the cathode of first TVS pipe are connected with the other end of the concatenated first resistor and second resistance,
The plus earth of first TVS pipe；
The both ends of first capacitance, first capacitance are connected respectively to the first TVS pipe anode and cathode；
3rd resistor, one end of the 3rd resistor are connected with the output end of the rectification filtering module；
First switch pipe, the other end phase at the driving end and the concatenated first resistor and second resistance of the first switch pipe
Even, the first end of the first switch pipe is connected with the other end of the 3rd resistor, the second end point of the first switch pipe
Mould is not driven with the power input of the brightness control module, the power input of the constant-current driven module and the constant current
The signal input part of block is connected.
3. lamp control device according to claim 2, which is characterized in that the power supply module further includes continued power list
Member, the continued power unit include：
First secondary windings, first secondary windings are coupled with the first armature winding in the power supply circuit of the lamps and lanterns
To obtain electric energy, one end ground connection of first secondary windings；
One end of 4th resistance, the 4th resistance is connected with the other end of first secondary windings；
First diode, the anode of first diode are connected with the other end of the 4th resistance；
First triode, the collector of first triode are connected with the cathode of first diode；
5th resistance, the 5th resistance are connected between the collector and base stage of first triode；
Second capacitance, one end of first capacitance are connected with the collector of first triode, first capacitance it is another
One end is grounded；
Second TVS pipe, the cathode of second TVS pipe are connected with the base stage of first triode, the sun of second TVS pipe
Pole is grounded；
First polar capacitor, the anode of first polar capacitor are connected with the emitter of first triode, and described first
The minus earth of polar capacitor；
Second polar capacitor, the anode of second polar capacitor are connected with the second end of the first switch pipe, and described second
The minus earth of polar capacitor；
Second diode, the anode of second diode are connected with the emitter of first triode, the two or two pole
The cathode of pipe is connected with the second end of the first switch pipe.
4. lamp control device according to claim 3, which is characterized in that the brightness control module includes：
Radar sensing unit, the power input of the first end of the radar sensing unit as the brightness control module；
6th resistance, the 6th resistance be connected to first polar capacitor anode and the radar sensing unit first
Between end；
Third diode, the anode of the third diode are connected with the second end of the radar sensing unit, and the described 3rd 2
The cathode of pole pipe is connected with the signal input part of the constant-current driven module；
7th resistance, the 7th resistance be connected to the first switch pipe second end and the third diode cathode it
Between；
The 8th resistance, the 9th resistance and third capacitance in parallel, the 8th resistance of the parallel connection, the 9th resistance and third capacitance
One end is connected with the cathode of the third diode, the other end is grounded.
5. lamp control device according to claim 4, which is characterized in that the constant-current driven module includes：
Constant-current driven chip, the power input of the first pin of the constant-current driven chip as the constant-current driven module,
Signal input part of the second pin of the constant-current driven chip as the constant-current driven module, the constant-current driven chip
Third pin is for exporting the first brightness drive signal and the second brightness drive signal；
One end of tenth resistance, the tenth resistance is connected with the third pin of the constant-current driven chip；
The driving end of second switch pipe, the second switch pipe is connected with the other end of the tenth resistance, the second switch pipe
First end is being connected to one end of the lamps and lanterns, wherein the output of the other end of the lamps and lanterns and the rectification filtering module
End is connected；
Eleventh resistor and twelfth resistor in parallel, the eleventh resistor of the parallel connection and one end of twelfth resistor with it is described
The second end of second switch pipe is connected, the other end is grounded.
6. lamp control device according to claim 5, which is characterized in that the constant-current driven module further includes：
The both ends of 4th capacitance, the 4th capacitance are connected respectively to the first end and second end of the second switch pipe；
The both ends of thirteenth resistor, the thirteenth resistor are connected respectively to driving end and the second end of the second switch pipe；
One end of 14th resistance, the 14th resistance is connected with the 4th pin of the constant-current driven chip, and the described tenth
The other end of four resistance is connected with the second end of the second switch pipe.
7. lamp control device according to claim 6, which is characterized in that the 5th pin of the constant-current driven chip is logical
Cross the 5th capacity earth, the 6th pin of the constant-current driven chip by the 6th capacitance and the 15th resistance eutral grounding in parallel,
And the other end of first secondary windings is connected to by the 16th resistance, the 7th pin of the constant-current driven chip passes through
17th resistance eutral grounding, the 8th pin ground connection of the constant-current driven chip.
8. lamp control device according to claim 7, which is characterized in that one end of first armature winding with it is described
The first end of second switch pipe is connected, and the other end of first armature winding is being connected to one end of the lamps and lanterns.
9. lamp control device according to claim 8, which is characterized in that the constant-current driven module further includes：
The anode of 4th diode, the 4th diode is connected with the first end of the second switch pipe, the four or two pole
The cathode of pipe is connected to the output end of the rectification filtering module；
The 18th resistance and third polar capacitor in parallel, the 18th resistance of parallel connection and one end of third polar capacitor and
The other end of first armature winding is connected, the other end is connected to the output end of the rectification filtering module；
One end of 7th capacitance, the 7th capacitance is connected with the other end of first armature winding, the 7th capacitance
The other end is grounded.
10. according to the lamp control device described in any one of claim 1-9, which is characterized in that the lamps and lanterns are LED light.
11. a kind of lamps and lanterns, which is characterized in that include the lamp control device according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370490.XU CN207783196U (en) | 2017-10-23 | 2017-10-23 | Lamps and lanterns and its control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370490.XU CN207783196U (en) | 2017-10-23 | 2017-10-23 | Lamps and lanterns and its control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207783196U true CN207783196U (en) | 2018-08-28 |
Family
ID=63218538
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721370490.XU Active CN207783196U (en) | 2017-10-23 | 2017-10-23 | Lamps and lanterns and its control device |
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| Country | Link |
|---|---|
| CN (1) | CN207783196U (en) |
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2017
- 2017-10-23 CN CN201721370490.XU patent/CN207783196U/en active Active
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Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee after: Midea Group Co., Ltd. Patentee after: Meizhi Photoelectric Technology Co., Ltd. Address before: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee before: Midea Group Co., Ltd. Patentee before: Jiangxi Meidi Guiya Lighting Co., Ltd. |
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Effective date of registration: 20200609 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 Guixi Industrial Park, Jiangxi, China, No. 1, No. Co-patentee before: MIDEA GROUP Co.,Ltd. Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: Meizhi Optoelectronic Technology Co., Ltd Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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