CN108430135A - A kind of sequential starting controlling circuit, lighting device and lighting system - Google Patents
A kind of sequential starting controlling circuit, lighting device and lighting system Download PDFInfo
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- CN108430135A CN108430135A CN201810371911.3A CN201810371911A CN108430135A CN 108430135 A CN108430135 A CN 108430135A CN 201810371911 A CN201810371911 A CN 201810371911A CN 108430135 A CN108430135 A CN 108430135A
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- 230000000087 stabilizing effect Effects 0.000 claims description 49
- 239000004065 semiconductor Substances 0.000 claims description 14
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- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
A kind of sequential starting controlling circuit of present invention offer, lighting device and lighting system, are related to technical field of automobile illumination.The sequential starting controlling circuit includes clock module, Logic control module and switch drive module, the clock module, the Logic control module and the switch drive module are sequentially connected electrically, the switch drive module with a light source group for being electrically connected, the clock module is for generating clock signal, the Logic control module is used to control the switch drive module output control signal according to the clock signal, so that the light source group sequential is lighted.Sequential starting controlling circuit, lighting device and lighting system provided by the invention have the advantages that reduce cost and the sequential of more multiple light sources can be supported to light control.
Description
Technical field
The present invention relates to technical field of automobile illumination, in particular to a kind of sequential starting controlling circuit, lighting device
And lighting system.
Background technology
With the rapid development of automobile industry, auto parts field also obtains significant progress, wherein lighting device is made
The important accessory of configuration is both needed to for each automobile, technical progress is particularly evident.
Currently, consumer more values the personalization of lighting device, whole-car firm also puies forward front and back body light system
New demand is gone out.There is sequential and lights effect in the steering indicating light of some high-end vehicle such as Audi, the daytime running lights system of some depots
Also there is more gorgeous Snake effect.In order to realize effect that sequential is lighted, the scheme that automobile vendor generally uses at present
It is connected into using Voltage stabilizing module (low pressure difference linear voltage regulator), MCU (micro-control unit) and CCD (charge coupled cell)
Circuit is realized, MCU work is supplied after being converted the voltage by Voltage stabilizing module.The current constant control of light source is by CCD, that is, constant electricity
Driver to be flowed to complete, when system electrification, the port level of MCU switches successively, and corresponding CCD subsequently enters normal operating conditions,
To make light source sequential light.
But due to having used Voltage stabilizing module, MCU and CCD, CCD cores respectively in current sequential starting controlling circuit
Piece differs greatly according to rated current difference price, while the MCU prices for possessing multiple ports are costly, lead to entire sequential
The cost of starting controlling circuit is higher.Meanwhile current sequential control circuit cannot achieve cascade, and the sequential is caused to light control
The quantity for the light source that circuit can control is effective, cannot be satisfied actual demand.
It is the emphasis of those skilled in the art's concern in view of this, how to solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of sequential starting controlling circuits, and control is lighted to solve sequential in the prior art
Circuit cost is higher, and the problem of the limited amount of control light source.
Another object of the present invention is to provide a kind of lighting devices, to solve sequential starting controlling circuit in the prior art
Cost is higher, and the problem of the limited amount of control light source.
Another object of the present invention is to provide a kind of lighting systems, to solve sequential starting controlling circuit in the prior art
Cost is higher, and the problem of the limited amount of control light source.
The invention is realized in this way：
In a first aspect, the embodiment of the present invention provides a kind of sequential starting controlling circuit, the sequential starting controlling circuit packet
Include clock module, Logic control module and switch drive module, the clock module, the Logic control module and described
Switch drive module is sequentially connected electrically, and for being electrically connected with a light source group, the clock module is used for the switch drive module
Clock signal is generated, the Logic control module is used to control the switch drive module output control according to the clock signal
Signal, so that the light source group sequential is lighted.
Further, the sequential starting controlling circuit further includes Voltage stabilizing module, the Voltage stabilizing module respectively with it is described when
Clock module, Logic control module electrical connection, and the Voltage stabilizing module is used for and a power electric connection.
Further, the sequential starting controlling circuit further includes mode control module, the mode control module and institute
Voltage stabilizing module electrical connection is stated, the mode control module is used to switch the operating mode of the Voltage stabilizing module.
Further, the Voltage stabilizing module includes voltage stabilizing chip and the first pull-up resistor, the Enable Pin of the voltage stabilizing chip
By first pull-up resistor and the power electric connection, the mode control module includes the first triode, and described first
The base stage of triode debugs signal, the emitter ground connection of first triode, first triode for receiving a state
Collector be electrically connected respectively with the Enable Pin of first pull-up resistor, the voltage stabilizing chip.
Further, the mode control module further includes the first current-limiting resistance and divider resistance, first triode
Base stage be electrically connected respectively with first current-limiting resistance, the divider resistance, and the base stage of first triode is for leading to
It crosses first current-limiting resistance and receives state debugging signal, the divider resistance ground connection.
Further, the switch drive module includes multiple switch circuit, each switching circuit respectively with it is described
Logic control module, light source group electrical connection.
Further, each switching circuit is described including the second triode, the second pull-up resistor and metal-oxide-semiconductor
The base stage of second triode is electrically connected with the Logic control module, the emitter of second triode ground connection, and described the
The collector of two triodes is electrically connected with the grid of second pull-up resistor, the metal-oxide-semiconductor respectively, the source electrode of the metal-oxide-semiconductor
Ground connection, the drain electrode of the metal-oxide-semiconductor are electrically connected with the cathode of a light source.
Further, the sequential starting controlling circuit further includes the second current-limiting resistance, the base stage of second triode
It is electrically connected with the Logic control module by second current-limiting resistance.
Second aspect, the embodiment of the present invention additionally provide a kind of lighting device, the lighting device include light source group and when
Sequence starting controlling circuit, the sequential starting controlling circuit include clock module, Logic control module and switch drive module,
The clock module, the Logic control module and the switch drive module are sequentially connected electrically, the switch drive module
For being electrically connected with a light source group, the clock module is used for for generating clock signal, the Logic control module according to institute
It states clock signal and controls the switch drive module output control signal, so that the light source group sequential is lighted, the light source group
Including multiple concatenated light sources, each light source is electrically connected with the switch drive module of the sequential starting controlling circuit,
The switch drive module is lighted for controlling the multiple concatenated light source sequential.
The third aspect, the embodiment of the present invention additionally provide a kind of lighting system, and the lighting system includes at least two photographs
Bright device, the lighting device include light source group and sequential starting controlling circuit, and the sequential starting controlling circuit includes clock
Module, Logic control module and switch drive module, the Logic control module electrical connection of lighting device described in each two,
And the light source of all lighting devices is connected.
Compared with the prior art, the invention has the advantages that：
The present invention provides a kind of sequential starting controlling circuit, lighting device and lighting system, which lights control
Circuit includes clock module, Logic control module and switch drive module, and clock module can provide for Logic control module
Clock signal, Logic control module control the working condition of switches drive module according to the clock signal, to reach control
The effect that light source group sequential processed is lighted.Since sequential starting controlling circuit circuit provided by the invention collocation is simple, and it is not used
Expensive MCU and CCD, so cost is greatly reduced, simultaneously as circuit has used cascading logic control
Chip so that when needing to control multiple light sources, sequential starting controlling circuit can be cascaded, support more multiple light sources
Sequential light control.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the present invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Fig. 1 shows the module connection figure for the sequential starting controlling circuit that the embodiment of the present invention is provided.
The circuit diagram of the Voltage stabilizing module and mode control module that are provided Fig. 2 shows the embodiment of the present invention.
Fig. 3 shows the circuit diagram for the clock module that the embodiment of the present invention is provided.
Fig. 4 shows the circuit diagram for the Logic control module that the embodiment of the present invention is provided.
Fig. 5 shows the circuit diagram for the switch drive module and light source group that the embodiment of the present invention is provided.
Fig. 6 shows the circuit diagram for the lighting system that the embodiment of the present invention is provided.
Icon：100- sequential starting controlling circuits；110- mode control modules；The first triodes of 111-；112- first is limited
Leakage resistance；113- divider resistances；120- Voltage stabilizing modules；121- voltage stabilizing chips；The first pull-up resistors of 122-；130- clock modules；
140- Logic control modules；150- switch drive modules；The second triodes of 151-；152-MOS is managed；The second pull-up resistors of 153-；
The second current-limiting resistances of 154-；200- lighting devices；210- light source groups；211- light sources；300- lighting systems.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
First embodiment
Referring to Fig. 1, the embodiment of the present invention provide can a kind of sequential starting controlling circuit 100, the sequential light control electricity
Road 100 includes mode control module 110, Voltage stabilizing module 120, clock module 130, Logic control module 140 and switch drive
Module 150.Wherein, mode control module 110, Voltage stabilizing module 120, Logic control module 140 and switch drive module 150 according to
Secondary electrical connection, and clock module 130 is electrically connected with Voltage stabilizing module 120, Logic control module 140 respectively.
In the present embodiment, mode control module 110 is used to switch the operating mode of Voltage stabilizing module 120, Voltage stabilizing module 120
For carrying out voltage stabilizing to power supply, clock module 130, Logic control module 140 and switch drive module 150 are carried out with realizing
Power supply, clock module 130 are used to control switch drive according to clock signal for generating clock signal, Logic control module 140
The working condition of module 150, so that switch drive module 150 controls light source group sequential and lights.
In the present embodiment, due to the member in clock module 130, Logic control module 140 and switch drive module 150
Part is fragile, according to directly utilize power supply be clock module 130, Logic control module 140 and switch drive module 150 into
Row power supply, then may or the unstable component wear that causes in the sequential starting controlling circuit 100 larger due to voltage, in view of
This, the present embodiment is provided with Voltage stabilizing module 120 and carries out voltage stabilizing control to power supply.Simultaneously as in actual use, user may
Wish to increase the effect that sequential lights car light, but also certain customers are not intended to increase the effect that sequential lights car light, so in order to
Meets the needs of different user, sequential starting controlling circuit 100 provided in this embodiment is provided with mode control module 110, uses
It family can be according to 110 operating mode of actual demand switch mode control module, to reach control sequential starting controlling circuit 100
The effect of working condition.
Specifically, referring to Fig. 2, in the present embodiment, Voltage stabilizing module 120 includes the pull-up electricity of voltage stabilizing chip 121 and first
Resistance 122, the Enable Pin of voltage stabilizing chip 121 is electrically connected to a power source by the first pull-up resistor 122, and mode control module 110 includes
First triode 111, the first current-limiting resistance 112 and divider resistance 113, the base stage of the first triode 111 is for receiving a shape
State debugs signal, the emitter ground connection of the first triode 111, the collector of the first triode 111 respectively with the first pull-up resistor
122, the base stage of the Enable Pin electrical connection of voltage stabilizing chip 121, the first triode 111 is electric with the first current-limiting resistance 112, partial pressure respectively
113 electrical connection of resistance, and the base stage of the first triode 111 is used to receive a state by the first current-limiting resistance 112 and debugs signal, point
Piezoresistance 113 is grounded.Wherein, the first current-limiting resistance 112 can play the role of current limliting and partial pressure with divider resistance 113, make the
The electric current of the base stage of one triode 111 will not be excessively high with voltage, to prevent burning out triode.
Voltage stabilizing module 120 provided in this embodiment and the operation principle of mode control module 110 are：
The input signal of Voltage stabilizing module 120 is input power VIN and enabled control signal Enable, and Voltage stabilizing module 120 will
Input power, which is converted to low-tension supply VDD and supplies clock module 130, Logic control module 140 and switch drive module 150, to be made
With.Mode control module 110 controls the Enable signals of Voltage stabilizing module 120, when Enable is high level, Voltage stabilizing module 120
Normal work, Voltage stabilizing module 120 export VDD, and back-end circuit also works normally；When Enable is dragged down by mode control module 110
When, Voltage stabilizing module 120 no longer exports VDD, and back-end circuit does not work, to make entire sequential starting controlling circuit 100 not work.
Also, in the present embodiment, D1 is to input anti-reverse diode, and C1 is input filter capacitor, general value 1uF,
U1 is Voltage stabilizing module 120 chip TPS7A6650-Q1, input voltage range 4V~40V, exports fixed 5V, meets vehicular grade and want
It asks.C3 is output filter capacitor, general value 2.2uF.EN is enable port, and VIN, resistance value are connected to by resistance R4
10kΩ.PG is that output prepares port, and out-put supply VDD, resistance value 1k Ω are connected to by resistance R1；CT pins pass through one
A 1nF capacitance connections are to reference ground.
Also, in the present embodiment, the first triode 111 is NPN triode, and 112 resistance value of the first current-limiting resistance is 10k
The resistance value of Ω, divider resistance 113 are 1.5k Ω, and mode control signal MODE is added in the first triode after being divided by R2 and R3
111 base stage, when MODE voltages are higher than 6V, Q1 base stages are higher than 0.78V to be connected to ground level, and collector, that is, Enable believes
It number is pulled low to close to ground level is referred to, the enabled pin EN of voltage stabilizing chip 121 is pulled low, and output is closed, late-class circuit not work
Make；When MODE voltages approach references, 111 turn-on condition of the first triode is unsatisfactory for, and cut-off state, voltage stabilizing chip is presented
121 EN pins are pulled to input high level by the first pull-up resistor 122, and chip can work normally, and VDD is 5V level,
Late-class circuit works normally.I.e. user can reach switching sequence and light control by the MODE voltages of control model control module 110
The working condition of circuit 100 processed, further achievees the effect that whether control light source group is presented sequential and lights.
Of course, it should be noted that in some other embodiments, Voltage stabilizing module 120 and mode control module 110
Other circuits are alternatively, the present embodiment does not do this any restriction.
Referring to Fig. 3, being a kind of circuit of clock module 130 provided in this embodiment.U2 is 555 timers, model
TLC555CD, C4 are power filtering capacitor, value 10nf, C5 connection/CNTL pins to reference ground, and value 10nF can be improved
The operation of chip.The calculation formula of circuit output clock Clock is：Period=0.693* (R5+2*R6) * C6,
Frequency=1/Period.
Its operation principle is：The state of the output voltage control rest-set flip-flop and discharge tube of two comparators.Power supply with
Voltage is added between ground, when 5 feet are hanging, then the voltage of the in-phase input end of voltage comparator C1 is 2VCC/3, the reverse phase of C2
The voltage of input terminal is VCC/3.If the voltage for triggering input terminal TR is less than VCC/3, the output of comparator C2 is 0, can make RS
Trigger sets 1, makes output end OUT=1.If the voltage of threshold value input TH is more than 2VCC/3, while the voltage at the ends TR is more than
VCC/3, then the output that the output of C1 is 0, C2 is 1, can set to 0 rest-set flip-flop, and it is low level to make output.
Using the clock module 130, clock signal is produced, and by the clock signal transmission to Logic control module 140.
Of course, in some other embodiments, other circuits also may be selected in clock module 130, and the present embodiment does not appoint this
What is limited.
Referring to Fig. 4, present embodiments providing a kind of circuit diagram of Logic control module 140, the Logic control module 140
Using 8 bit strings into and go out with output latch shift register chip 74HC595,74HC595 be high-speed cmos processing chip, by
8 step shift registers and storage register composition, have ternary output.Two registers possess independent clock source, serial defeated
The rising edge for entering data DS in shift register clock signal SHCP shifts, in the rising edge of storage register clock signal STCP
It is loaded into storage register, if two clock signals share same clock source, shift register always leading storage register one
A clock pulses operation.
C7 is power filtering capacitor, value 10nf./ MR is reset signal, and resistance R7 forms RC circuits with capacitance C8, is U3
Start and resetting time is provided；STCP and SHCP shares Clock clocks；Chip output enable signal/OE is directly connected to reference ground, permits
Perhaps chip exports；DS is serial date transfer mouth, and when module is used alone, DS is directly connect with VDD, input high level；Q7S exists
It is used as data cascade port in the design, if module-cascade uses, the DS signals connection upper level module of next stage module
The ports Q7S；The ports Q0~Q7 are directly connected to next stage switch drive module 150.
For the Logic control module 140 that basic embodiment provides after receiving clock signal, the ports Q0~Q7 can be successively
Be converted to high level.Of course, in some other embodiments, Logic control module 140 or other circuits, this implementation
Example does not do this any restriction.
Referring to Fig. 5, an embodiment of the present invention provides a kind of circuit diagrams of switch drive module 150.Switch drive module
150 include multiple switch circuit, and each switching circuit is electrically connected with Logic control module 140, and each switching circuit and one
The cathode of the light source of a light source group is electrically connected.
Specifically, each switching circuit includes the second triode 151, metal-oxide-semiconductor 152, the second pull-up resistor 153 and the
Two current-limiting resistances 154, wherein the base stage of the second triode 151 is electrically connected by the second current-limiting resistance 154 with Logic control module 140
It connects, the emitter ground connection of the second triode 151, and the collector of triode is electric with the grid of pull-up resistor, metal-oxide-semiconductor 152 respectively
Connection, the source electrode ground connection of metal-oxide-semiconductor 152, the drain electrode of metal-oxide-semiconductor 152 are electrically connected with the cathode of a light source.Also, in the present embodiment
In, the second triode 151 rated voltage 45V, rated current 100mA, for double NPN pipe integrated forms.Metal-oxide-semiconductor 152Q2~Q9 volumes
Constant voltage 80V, rated current 1.1A are single tube form, and appearance and size is about 1mm x 1mm.
Specifically, in the present embodiment, the grid of MOS driving tubes is connected to the collector of the second triode 151, passes through simultaneously
Second pull-up resistor 153 is pulled upward to working power VDD, and working condition is determined by 151 state of the second triode.Second triode
151 base stage is connected to delivery outlet Q0~Q7 of Logic control module 140 by the second current-limiting resistance 154.When Q0~Q7 is low electricity
Usually, the second triode 151 ends, and the grid of metal-oxide-semiconductor 152 is due to there is resistance to be pulled to VDD, source electrode and drain electrode conducting, LED2
~LED9 is bypassed extinguishing (i.e. LED2~LED9 is short-circuit), and only LED1 is normally lighted；When Q0~Q7 is converted to high electricity successively
Usually, the second triode 151 is sequentially turned on by the sequence of T1~T8, and the grid of Q2~Q9 is pulled low to successively close to reference ground electricity
Flat, to end successively, LED2~LED9 is lighted successively, and whole string LED shows sequential and lights effect, i.e., in first light source point
After bright, second light source is lighted again, and subsequent third light source is lighted again, and so on.
It should be noted that light source group provided in this embodiment is LED light source group, and in some other embodiments, light
Source group may be other light sources, meanwhile, in some other embodiments, switch drive module 150 can also choose other electricity
Road, the present embodiment do not do this any restriction.
It is also desirable to explanation, due to sequential starting controlling circuit 100 provided by the invention since the present invention carries
100 circuit of the sequential starting controlling circuit collocation of confession is simple, and expensive MCU and CCD is not used, so greatly reducing
Cost.
Second embodiment
Please continue to refer to Fig. 5, the embodiment of the present invention additionally provides a kind of lighting device 200, which includes light
Source group 210 and the sequential starting controlling circuit 100 described in first embodiment, and light source group 210 and sequential starting controlling circuit 100
Electrical connection.
Specifically, light source group 210 includes multiple light sources 211, and multiple light sources 211 are connected, and is light source using power supply
210 power supply of group need to only utilize mode control module 110 to steady when needing to control the effect that light source group 210 realizes that sequential is lighted
The Enable Pin of die block 120 exports high level, to make Voltage stabilizing module 120 be clock module 130, the Logic control module of rear end
140 and switch drive module 150 power, you can realize the effect that 210 sequential of control light source group is lighted.And when user does not use
When the effect that 210 sequential of light source group is lighted, user controllable mode control module 110 processed is exported to the Enable Pin of Voltage stabilizing module 120
Low level, to make sequential starting controlling circuit 100 not work, light source group 210 is all same in the case where additional power source is powered
When light.
Simultaneously as the multiple light sources 211 of the light source group 210 of lighting device 200 provided in this embodiment are series connection, when it
In 211 failure of light source when, other all light sources 211 extinguish, and disclosure satisfy that regulation demand, and need not increase additional circuit
It is controlled, has further saved cost.
3rd embodiment
Referring to Fig. 6, an embodiment of the present invention provides a kind of lighting system 300, which includes at least two
The lighting device 200 that second embodiment provides.It is illustrated by taking two lighting devices 200 as an example below, it is to be understood that
In some other embodiments, lighting system 300 may include more lighting devices 200.
Wherein, VI N, the GND of first sequential starting controlling circuit 100 and second sequential starting controlling circuit 100 and
Mode signals share respectively.The DS signals of Logic control module 140 in first sequential starting controlling circuit 100 connect VDD
Level gives tacit consent to high level signal input after the power is turned on；And the Q7S signals of first sequential starting controlling circuit 100 connect grade second
The DS signals of Logic control module 140 in a sequential starting controlling circuit 100, when first sequential starting controlling circuit 100
Logic control module 140 complete displacement storage operation after second sequential starting controlling circuit 100 Logic control module 140
It works on, is finally reached the effect that LED1 to LED17 is lighted in proper order.
In conclusion the present invention provides a kind of sequential starting controlling circuit, lighting device and lighting system, the sequential
Starting controlling circuit includes clock module, Logic control module and switch drive module, and clock module can be logic control
Module provides clock signal, and Logic control module controls the working condition of switches drive module according to the clock signal, from
And achieve the effect that controlling light source group sequential lights.Since sequential starting controlling circuit circuit provided by the invention collocation is simple,
And expensive MCU and CCD is not used, so greatly reduce cost, simultaneously as circuit used it is cascading
Logic control chip so that when needing to control multiple light sources, sequential starting controlling circuit can be cascaded, be supported more
The sequential of number lights control.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.The foregoing is only a preferred embodiment of the present invention, and does not have to
In the limitation present invention, for those skilled in the art, the invention may be variously modified and varied.It is all the present invention
Within spirit and principle, any modification, equivalent substitution, improvement and etc. done should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sequential starting controlling circuit, which is characterized in that the sequential starting controlling circuit includes clock module, logic control
Molding block and switch drive module, the clock module, the Logic control module and the switch drive module are successively
Electrical connection, for the switch drive module for being electrically connected with a light source group, the clock module is described for generating clock signal
Logic control module is used to control the switch drive module output control signal according to the clock signal, so that the light source
Group sequential is lighted.
2. sequential starting controlling circuit as described in claim 1, which is characterized in that the sequential starting controlling circuit further includes
Voltage stabilizing module, the Voltage stabilizing module is electrically connected with the clock module, the Logic control module respectively, and the Voltage stabilizing module
For with a power electric connection.
3. sequential starting controlling circuit as claimed in claim 2, which is characterized in that the sequential starting controlling circuit further includes
Mode control module, the mode control module are electrically connected with the Voltage stabilizing module, and the mode control module is for switching institute
State the operating mode of Voltage stabilizing module.
4. sequential starting controlling circuit as claimed in claim 3, which is characterized in that the Voltage stabilizing module include voltage stabilizing chip with
The Enable Pin of first pull-up resistor, the voltage stabilizing chip passes through first pull-up resistor and the power electric connection, the mould
Formula control module includes the first triode, and the base stage of first triode debugs signal for receiving a state, and described first
The emitter of triode is grounded, the collector of first triode respectively with first pull-up resistor, the voltage stabilizing chip
Enable Pin electrical connection.
5. sequential starting controlling circuit as claimed in claim 4, which is characterized in that the mode control module further includes first
The base stage of current-limiting resistance and divider resistance, first triode is electric with first current-limiting resistance, the divider resistance respectively
Connection, and the base stage of first triode be used for by first current-limiting resistance receive a state debugging signal, described point
Piezoresistance is grounded.
6. sequential starting controlling circuit as described in claim 1, which is characterized in that the switch drive module includes multiple opens
Powered-down road, each switching circuit are electrically connected with the Logic control module, the light source group respectively.
7. sequential starting controlling circuit as claimed in claim 6, which is characterized in that each switching circuit includes second
The base stage of triode, the second pull-up resistor and metal-oxide-semiconductor, second triode is electrically connected with the Logic control module, institute
State the emitter ground connection of the second triode, and the collector of second triode respectively with second pull-up resistor, described
The grid of metal-oxide-semiconductor is electrically connected, and the source electrode ground connection of the metal-oxide-semiconductor, the drain electrode of the metal-oxide-semiconductor and the cathode of a light source are electrically connected
It connects.
8. sequential starting controlling circuit as claimed in claim 7, which is characterized in that the sequential starting controlling circuit further includes
The base stage of second current-limiting resistance, second triode is electrically connected by second current-limiting resistance with the Logic control module
It connects.
9. a kind of lighting device, which is characterized in that the lighting device includes light source group and such as claim 1 to 8 any one
The sequential starting controlling circuit, the light source group include multiple concatenated light sources, each light source with the sequential
The switch drive module of starting controlling circuit is electrically connected, and the switch drive module is for when controlling the multiple concatenated light source
Sequence is lighted.
10. a kind of lighting system, which is characterized in that the lighting system includes at least two illuminations as claimed in claim 9
Device, the Logic control module electrical connection of lighting device described in each two, and the light source of all lighting devices is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810371911.3A CN108430135A (en) | 2018-04-24 | 2018-04-24 | A kind of sequential starting controlling circuit, lighting device and lighting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371911.3A CN108430135A (en) | 2018-04-24 | 2018-04-24 | A kind of sequential starting controlling circuit, lighting device and lighting system |
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| CN108430135A true CN108430135A (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810371911.3A Pending CN108430135A (en) | 2018-04-24 | 2018-04-24 | A kind of sequential starting controlling circuit, lighting device and lighting system |
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