CN105792460A - Lighting circuit - Google Patents
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- CN105792460A CN105792460A CN201410795130.9A CN201410795130A CN105792460A CN 105792460 A CN105792460 A CN 105792460A CN 201410795130 A CN201410795130 A CN 201410795130A CN 105792460 A CN105792460 A CN 105792460A
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Abstract
The invention provides a lighting circuit. The lighting circuit comprises a driving circuit, a power supply circuit, a distance measurement circuit and a light source, wherein the driving circuit is connected with the light source; the driving circuit is used for controlling the current output to the light source; the power supply circuit is connected with the driving circuit; the power supply circuit is used for supplying power to the driving circuit and the distance measurement circuit; the distance measurement circuit is connected with the driving circuit; and the distance measurement circuit is used for detecting at least one kind of the distance between a target object and the lighting circuit, the height of the target object, and the area of the target object. By adoption of the lighting circuit, the functions of dimming, distance measurement, detection of the height and the area of the target object, and the like can be realized, so that the user experience can be improved.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of lighting circuit.
Background technology
The most function of existing Portable lighting device such as pocket lamp is limited only to single illumination, the function that even some luminaire does not dim, it is impossible to reach multi-functional purpose, so the use scope of Portable lighting device is still limited by limitation.Therefore, the function how increasing Portable lighting device is the topic that present value must be inquired into.If improving in the illumination basis of portable set, increasing the function of portable set, great convenience being brought to life and the outdoor activities of user.
Summary of the invention
The present invention provides a kind of lighting circuit, can possess light modulation, range finding, detect the function such as the height of target object and the area of target object, promote Consumer's Experience sense.
First aspect present invention provides a kind of lighting circuit, including drive circuit, power supply circuits, range-measuring circuit and light source, wherein:
Described drive circuit is connected with described light source, and described drive circuit is for controlling the output electric current to described light source；
Described power supply circuits are connected with described drive circuit, and described power supply circuits are for powering for described drive circuit and described range-measuring circuit；
Described range-measuring circuit is connected with described drive circuit, and described range-measuring circuit is for detecting target object and at least one in the distance of lighting circuit, the height of described target object and the area of described target object.
In conjunction with the implementation of first aspect present invention, in the first possible implementation of first aspect present invention, described drive circuit includes driving module and the first switch, wherein:
First end of described driving module and the second end connect the first end and second end of described power supply circuits respectively；
3rd end of described driving module and the 4th end connect the first end and second end of described light source respectively；
5th end of described driving module is by described first switch ground connection, and described first switch is for controlling the described driving module output electric current to described light source.
In conjunction with the first possible implementation of first aspect present invention, in the implementation that the second of first aspect present invention is possible, described range-measuring circuit includes range finder module, second switch, the 3rd switch and the 4th switch, wherein:
First end of described range finder module and the second end connect the 6th end and the 7th end of described driving module respectively；
3rd end of described range finder module passes through described second switch ground connection；
4th end of described range finder module is by described 3rd switch ground connection；
5th end of described range finder module is by described 4th switch ground connection.
In conjunction with the implementation that the second of first aspect present invention is possible, in the third possible implementation of first aspect present invention, described range finder module includes distance detection unit, deletes unit and height area detecting unit, wherein:
The 3rd end that one end is described range finder module of described distance detection unit, described distance detection unit launches laser for the control according to described second switch to described target object, to detect the distance of described target object and described lighting circuit, generate corresponding distance value；
The 4th end that one end is described range finder module of described deletion unit, described deletion unit is for the distance value controlling deletion generation according to described 3rd switch；
The 5th end that one end is described range finder module of described height area detecting unit, described height area detecting unit is for launching described laser, the area of height or described target object to detect described target object according to the control of described 4th switch to described target object.
In conjunction with the first possible implementation of first aspect present invention, in the 4th kind of possible implementation of first aspect present invention, described power supply circuits include supply module, battery, the first diode, the second diode and the first electric capacity, wherein:
The first of described supply module terminates the positive pole of described first diode, and the negative pole of described first diode connects the positive pole of described battery, the first end of the just extremely described power supply circuits of described battery；
The second of described supply module terminates the negative pole of described second diode, and the positive pole of described second diode connects the negative pole of described battery, and the negative pole of described battery is the second end of described power supply circuits, the minus earth of described battery；
The first of described first electric capacity terminates the positive pole of described first diode, and the second of described first electric capacity terminates the negative pole of described second diode.
In conjunction with the 4th kind of possible implementation of first aspect present invention, in the 5th kind of possible implementation of first aspect present invention, described driving module includes driving chip, metal-oxide-semiconductor and voltage stabilizing chip, wherein:
Described driving chip for switching on-off the electric current controlling output to described light source according to described first, and described voltage stabilizing chip is used for as described light source voltage stabilizing；
Described driving chip includes reset terminal, input, control end and dutycycle outfan；
Described voltage stabilizing chip includes voltage input end, voltage output end and earth terminal；
Resetting of described driving chip terminates the positive pole of described battery, and the input of described driving chip terminates the positive pole of described second diode；
The end that controls of described driving chip is the 5th end driving module；
The dutycycle output of described driving chip terminates the first end of described metal-oxide-semiconductor；
Second end of described metal-oxide-semiconductor is the first end of described driving module, and the second end of described metal-oxide-semiconductor also connects supply voltage, the 3rd end that the 3rd end is described driving module of described metal-oxide-semiconductor；
The voltage input end of described voltage stabilizing chip connects the first end of described metal-oxide-semiconductor, and the voltage output end of described voltage stabilizing chip is the 4th end of described driving module, the earth terminal ground connection of described voltage stabilizing chip.
In conjunction with the 5th kind of possible implementation of first aspect present invention, in the 6th kind of possible implementation of first aspect present invention, the input of described driving chip includes input end of clock, power input and earth terminal, wherein:
The input end of clock of described driving chip connects the positive pole of described second diode；
The power input of described driving chip connects the positive pole of described second diode；
The ground connection of described driving chip terminates the positive pole of described second diode.
In conjunction with the 6th kind of possible implementation of first aspect present invention, in the 7th kind of possible implementation of first aspect present invention, described driving module also includes the first resistance, the second resistance, the 3rd resistance, the 4th resistance and the second electric capacity, wherein:
The first of described first resistance terminates the reset terminal of described driving chip, and the second of described first resistance terminates the positive pole of described battery；
The first of described second resistance terminates the input end of clock of described driving chip, and the second of described second resistance terminates the positive pole of described second diode；
The first of described second electric capacity terminates the power input of described driving chip, and the second of described second electric capacity terminates the positive pole of described second diode；
The first of described 3rd resistance terminates the first end of described metal-oxide-semiconductor, and the second of described 3rd resistance terminates the voltage input end of described voltage stabilizing chip；
The first of described 4th resistance terminates the first end of described metal-oxide-semiconductor, and the second of described 4th resistance terminates the dutycycle outfan of described driving chip.
The 5th kind of possible implementation in conjunction with first aspect present invention, in the 8th kind of possible implementation of first aspect present invention, described driving chip also includes the first voltage stabilizing end and the second voltage stabilizing end, and described driving module also includes the 5th resistance and manostat, wherein:
The first of described 5th resistance terminates the first voltage stabilizing end of described driving chip, and the second of described 5th resistance terminates the first end of described manostat；
The second of described manostat terminates the second voltage stabilizing end of described driving chip；
3rd end ground connection of described manostat.
The 8th kind of possible implementation in conjunction with first aspect present invention, in the 9th kind of possible implementation of first aspect present invention, described light source is LED light emitting diode, the positive pole that first end is described light emitting diode of described light source, the negative pole that the second end is described light emitting diode of described light source；
First end of described metal-oxide-semiconductor is grid, and the second end of described metal-oxide-semiconductor is source electrode, and the 3rd end of described metal-oxide-semiconductor is drain electrode；
First end of described manostat is negative electrode, and the second end of described manostat is that the 3rd end of described manostat is anode with reference to pole.
Adopt the present invention, drive circuit is connected with LED, drive circuit is for controlling to export the electric current to LED, power supply circuits are connected with drive circuit, power supply circuits are for powering for drive circuit and range-measuring circuit, range-measuring circuit is connected with drive circuit, range-measuring circuit is for detecting target object and at least one in the distance of lighting circuit, the height of target object and the area of target object, can possess light modulation, range finding, detect the function such as the height of target object and the area of target object, the function making lighting circuit is more diversified, promotes Consumer's Experience sense.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the modular structure schematic diagram of an embodiment of a kind of lighting circuit of the embodiment of the present invention；
Fig. 2 is the modular structure schematic diagram of another embodiment of a kind of lighting circuit of the embodiment of the present invention；
Fig. 3 is the modular structure schematic diagram of the 3rd embodiment of a kind of lighting circuit of the embodiment of the present invention；
Fig. 4 is the power supply circuits of another embodiment of a kind of lighting circuit of the embodiment of the present invention and the electrical block diagram driving module.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Adopt the embodiment of the present invention, can possess light modulation, range finding, detect the function such as the height of target object and the area of target object, promote Consumer's Experience sense.
Refer to the modular structure schematic diagram of an embodiment that Fig. 1, Fig. 1 are a kind of lighting circuits of the embodiment of the present invention.As it is shown in figure 1, this lighting circuit includes drive circuit 1, power supply circuits 2, range-measuring circuit 3 and Light-Emitting Diode light source 4, wherein:
Drive circuit 1 is connected with light source 4, and drive circuit 1 is for controlling to export the electric current to light source 4；
Power supply circuits 2 are connected with drive circuit 1, and power supply circuits 2 are for powering for drive circuit 1 and range-measuring circuit 3；
Range-measuring circuit 3 is connected with drive circuit 1, and range-measuring circuit 3 is for detecting target object and at least one in the distance of lighting circuit, the height of target object and the area of target object.
In implementing, power supply circuits 2 provide running voltage for drive circuit 1 and range-measuring circuit 3, drive circuit 1, for controlling to export the electric current to light source 4, makes the electric current of output control at 350mA, 220mA or 0mA, and corresponding light source 4 then shows the effect of high light, the low light level or extinguishing.Range-measuring circuit 3 is for measuring target object and at least one in the distance of lighting circuit, the height of target object or the area of target object.When the distance of measurement target object and lighting circuit, range-measuring circuit 3 launches laser, the position that location laser arrives to target object, and detects the position of laser arrival and the distance of lighting circuit, ultimately produces distance value and is displayed by display screen；When measuring the height of target object, range-measuring circuit 3, by detecting the distance of target object and lighting circuit and obtaining the height of the angle calculation target object launching laser, generates height value, displays again through display screen；When measuring the area of target object, range-measuring circuit 3 is by launching the length of side of laser measurement target object, then calculates the area of target object, generates the value of area, displays again through display screen.
Optionally, as in figure 2 it is shown, drive circuit 1 includes driving module 11 and the first switch S1, wherein: the first end of driving module 11 and the second end connect the first end and second end of power supply circuits 2 respectively；3rd end of driving module 11 and the 4th end connect the first end and second end of light source 4 respectively；Driving the 5th end of module 11 by the first switch S1 ground connection, the first switch S1 is for controlling to drive module 11 to export the electric current to light source 4.
In implementing, existing by as follows for the definition of each pin of light source 4: the first end of light source 4 is positive pole, and the second end of light source 4 is negative pole.
As a kind of enforceable mode, the first switch S1 is for triggering the break-make driving module 11 to control light source 4.Such as, when the first switch S1 closes for the first time, drive module 11 to export the electric current of 350mA, make light source 4 send high light；When the first switch S1 closes again, drive module 11 to export the electric current of 220mA, make light source 4 send the low light level；When the first switch S1 third time closes, drive module 11 to export the electric current of 0mA, make light source 4 extinguish.Guan Bi number of times or Guan Bi duration for controlling the first switch S1 control to drive output electric current the present embodiment of module 11 to be not construed as limiting, and the closed manners that can arbitrarily arrange the first switch S1 controls to drive the output electric current of module 11.Additionally, the electric current of output can also arbitrarily be arranged, it is also possible to exporting multistage electric current to control the brightness of light source 4, the present embodiment is not construed as limiting.
Optionally, range-measuring circuit 3 includes range finder module 31, second switch S2, the 3rd switch S3 and the 4th switch S4, wherein: the first end of range finder module 31 and the second end connect the 6th end driving module 11 and the 7th end respectively；3rd end of range finder module 31 passes through second switch S2 ground connection；4th end of range finder module 31 is by the 3rd switch S3 ground connection；5th end of range finder module 31 is by the 4th switch S4 ground connection.
Optionally, as shown in Figure 3, range finder module 31 includes distance detection unit 311, deletes unit 312 and height area detecting unit 313, wherein: the 3rd end that one end is range finder module 31 of distance detection unit 311, distance detection unit 311 launches laser for the control according to second switch S2 to target object, to detect the distance of target object and lighting circuit, generate corresponding distance value；Delete the 4th end that one end is range finder module 31 of unit 312, delete unit 312 and delete, for the control switching S3 according to the 3rd, the distance value generated；The 5th end that one end is range finder module 31 of height area detecting unit 313, height area detecting unit 313 launches laser for the control switching S4 according to the 4th to target object, the area of height or target object to detect target object.
In implementing, second switch S2 detects the distance of target object and lighting circuit for command range detection unit 311.Concrete, distance detection unit 311 can be triggered after second switch S2 Guan Bi reaches Preset Time open, and enter the function measuring distance, after second switch S2 second time Guan Bi, distance detection unit 311 launches laser to target object, the position that location laser arrives, and detect position and the distance of lighting circuit that laser arrives, generate distance value.If second switch S2 third time Guan Bi, then the distance value of generation is displayed by display screen.
In implementing, however, it is determined that the function of current range finder module 31 is for measuring distance, then under current function setting, second switch S2 closes the distance that can measure target object and lighting circuit continuously twice, and is displayed by display screen.Carry out command range detection unit 311 by the Guan Bi number of times or Guan Bi duration controlling second switch S2 and measure the distance of target object and lighting circuit, the present embodiment is not construed as limiting, and can arbitrarily arrange the closed manners of second switch S2 and carry out command range detection unit 311 and measure the function of distance.
In implementing, the 3rd switch S3 is for deleting the distance value that distance detection unit 311 shows in display screen.Concrete, range finder module 31 can the distance of repetitive measurement target object and lighting circuit, therefore display screen can show multiple distance value.The continuous Guan Bi of the 3rd switch S3 then can control to delete unit 312 and delete multiple distance values of display in display screen successively.
As a kind of enforceable mode, the continuous Guan Bi of the 3rd switch S3 also can control to delete unit 312 and delete multiple height values or the area value of display in display screen successively.3rd switch S3 Guan Bi can control range finder module 31 after reaching Preset Time and close the function of detection.Control to delete unit 312 by the Guan Bi number of times or Guan Bi duration controlling the 3rd switch S3 and delete multiple distance values of display, height value or area value in display screen, the present embodiment is not construed as limiting, and can arbitrarily arrange the closed manners of the 3rd switch S3 and control to delete unit 312 and delete the function of multiple distance value, height value or area value.
In implementing, the 4th switch S4 detects the height of target object or the area of target object for controlling height area detecting unit 313.Concrete, the 4th switch S4 function of open detection height when moment closes can be set.Height area detecting unit 313 launches laser at least one reference point of target object, position the position that each laser arrives, obtain the distance of each reference point and lighting circuit, and obtain angle when launching laser to each reference point, further according to each distance obtained and corresponding angle, calculate the height value of target object, display again through display screen.Or, height area detecting unit 313 launches laser at least one reference point of target object and the reference point on ground, position the position that each laser arrives, obtain the reference point on each reference point and ground and the distance of lighting circuit, and obtain angle when launching laser to each reference point, further according to each distance obtained and corresponding angle, calculate target object relative to the height value on ground, display finally by display screen.
As a kind of enforceable mode, control height area detecting unit 313 when the 4th switch S4 closes in Preset Time can be set and measure the area of target object.Height area detecting unit 313 is by launching laser to multiple reference points of target object, thus calculating each length of side of target object, calculating the area of target object further according to the length of side calculated, and being displayed by display screen.Being prior art by calculating each length of side of target object to multiple reference points transmitting laser, the present embodiment then repeats no more.
Optionally, electrical block diagram as shown in Figure 3, power supply circuits 2 include supply module 21, battery B1, the first diode D1, the second diode D2 and the first electric capacity C1, wherein: the positive pole of first termination the first diode D1 of supply module 21, the negative pole of the first diode D1 connects the positive pole of battery B1, the first end of the just extremely power supply circuits 2 of battery B1；The negative pole of second termination the second diode D2 of supply module 21, the positive pole of the second diode D2 connects the negative pole of battery B1, and the negative pole of battery B1 is the second end of power supply circuits 2, the minus earth of battery B1；The positive pole of the first termination first diode D1 of the first electric capacity C1, the negative pole of the second termination second diode D2 of the first electric capacity C1.
In implementing, supply module 21 is by the first diode D1 and the second diode D2 blood pressure lowering, then charges for battery B1, when battery B1 can extract supply module 21 after being full of, makes battery B1 for driving module 11 to power.
Optionally, driving module 11 includes driving chip U1, metal-oxide-semiconductor Q1 and voltage stabilizing chip U3, wherein: driving chip U1 controls the output electric current to light source 4 for the break-make switching S1 according to first, and voltage stabilizing chip U3 is used for as light source 4 voltage stabilizing；Driving chip U1 includes reset terminal RES, input, control end PA2 and dutycycle outfan PWM；Voltage stabilizing chip U3 includes voltage input end VDD, voltage output end Vout and earth terminal GND；The reset terminal RES of driving chip U1 connects the positive pole of battery B1, the positive pole of the input termination second diode D2 of driving chip U1；The end PA2 that controls of driving chip U1 is the 5th end driving module 11；The dutycycle outfan PWM of driving chip U1 connects first end of metal-oxide-semiconductor Q1；Second end of metal-oxide-semiconductor Q1 is the first end driving module 11, and it is the 3rd end driving module 11 that second end of metal-oxide-semiconductor Q1 also connects the 3rd end of supply voltage VCC, metal-oxide-semiconductor Q1；The voltage input end VDD of voltage stabilizing chip U3 connects first end of metal-oxide-semiconductor Q1, and the voltage output end Vout of voltage stabilizing chip U3 is the 4th end driving module 11, the earth terminal GND ground connection of voltage stabilizing chip U3.
In implementing, the dutycycle outfan PWM of driving chip U1 controls the width of the square wave of dutycycle outfan PWM output for the break-make switching S1 according to first, to control the output electric current to light source 4 by metal-oxide-semiconductor Q1, thus controlling the brightness flop of light source 4.Voltage stabilizing chip U3 is used for Stabilization voltage on light source 4, makes the light source 4 can steady operation.Battery B1 provides power supply by the reset terminal RES of driving chip U1 for driving chip U1.
Optionally, the input of driving chip U1 includes input end of clock OSC1, power input VDD and earth terminal VSS, wherein: the input end of clock OSC1 of driving chip U1 connects the positive pole of the second diode D2；The power input VDD of driving chip U1 connects the positive pole of the second diode D2；The earth terminal VSS of driving chip U1 connects the positive pole of the second diode D2.
Optionally, module 11 is driven also to include the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the second electric capacity C2, wherein: the positive pole of the second termination battery B1 of the reset terminal RES, the first resistance R1 of the first termination driving chip U1 of the first resistance R1；The positive pole of the second termination second diode D2 of the input end of clock OSC1, the second resistance R2 of the first termination driving chip U1 of the second resistance R2；The positive pole of the second termination second diode D2 of the power input VDD, the second electric capacity C2 of the first termination driving chip U1 of the second electric capacity C2；First end of the first termination metal-oxide-semiconductor Q1 of the 3rd resistance R3, the voltage input end VDD of the second termination voltage stabilizing chip U3 of the 3rd resistance R3；First end of the first termination metal-oxide-semiconductor Q1 of the 4th resistance R4, the dutycycle outfan PWM of the second termination driving chip U1 of the 4th resistance R4.
Optionally, driving chip U1 also includes the first voltage stabilizing end PB3 and the second voltage stabilizing end PB0, module 11 is driven also to include the 5th resistance R5 and manostat U2, wherein: first end of the second termination manostat U2 of the first voltage stabilizing end PB3, the 5th resistance R5 of the first termination driving chip U1 of the 5th resistance R5；The second voltage stabilizing end PB0 of the second termination driving chip U1 of manostat U2；The 3rd end ground connection of manostat U2.
In implementing, manostat U2 is for the builtin voltage of stabilized driving chip U1, it is ensured that driving chip U1 can steady operation.
Optionally, light source 4 is LED light emitting diode, the positive pole that the first end is light emitting diode of light source 4, the negative pole that the second end is light emitting diode of light source 4；First end of metal-oxide-semiconductor Q1 is grid, and second end of metal-oxide-semiconductor Q1 is source electrode, and the 3rd end of metal-oxide-semiconductor Q1 is drain electrode；First end of light source 4 is positive pole, and the second end of light source 4 is negative pole；First end of metal-oxide-semiconductor Q1 is grid, and second end of metal-oxide-semiconductor Q1 is source electrode, and the 3rd end of metal-oxide-semiconductor Q1 is drain electrode；First end of manostat U2 is negative electrode, and second end of manostat U2 is that the 3rd end of manostat U2 is anode with reference to pole.
Below the power supply circuits 2 of the embodiment of the present invention and the operation principle of drive circuit 1 are described in detail.
Power supply circuits 2 are charged for battery B1 by supply module 21, so that the driving module 11 that battery B1 is drive circuit 1 provides power supply.Drive the manostat U2 in module 11 for the voltage within stabilized driving chip U1.When the first switch S1 closes according to default closed manners, the closure state controlling end PA2 detection the first switch S1 of driving chip U1, the dutycycle outfan PWM of driving chip U1 then controls the dutycycle of output signal according to the closure state controlling end PA2 the first switch S1 detected, control the output electric current to light source 4 by metal-oxide-semiconductor Q1, change the brightness of light source 4 with this.And voltage stabilizing chip U3 is for Stabilization voltage on light source 4, so that the brightness of light source 4 is in stable state.
Adopt the embodiment of the present invention, drive circuit is connected with light source, drive circuit is for controlling to export the electric current to light source, power supply circuits are connected with drive circuit, power supply circuits are for powering for drive circuit and range-measuring circuit, range-measuring circuit is connected with drive circuit, range-measuring circuit is for detecting target object and at least one in the distance of lighting circuit, the height of target object and the area of target object, it is provided simultaneously with light modulation and the function of range finding, the function making lighting circuit is more diversified, can promote Consumer's Experience sense.
Device embodiment described above is merely schematic, the wherein said unit illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.Those of ordinary skill in the art, when not paying performing creative labour, are namely appreciated that and implement.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Module or unit in embodiment of the present invention device can merge according to actual needs, divide and delete.
The module of the embodiment of the present invention or module, it is possible to universal integrated circuit (such as central processor CPU), or realize with special IC (ASIC).
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to each embodiment and realize, naturally it is also possible to pass through hardware.Based on such understanding, the part that prior art is contributed by technique scheme substantially in other words can embody with the form of software product, this computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment or embodiment.
Embodiments described above, is not intended that the restriction to this technical scheme protection domain.The amendment made within any spirit at above-mentioned embodiment and principle, equivalent replacement and improvement etc., should be included within the protection domain of this technical scheme.
Claims (10)
1. a lighting circuit, it is characterised in that include drive circuit, power supply circuits, range-measuring circuit and light source, wherein:
Described drive circuit is connected with described light source, and described drive circuit is for controlling the output electric current to described light source；
Described power supply circuits are connected with described drive circuit, and described power supply circuits are for powering for described drive circuit and described range-measuring circuit；
Described range-measuring circuit is connected with described drive circuit, and described range-measuring circuit is for detecting target object and at least one in the distance of lighting circuit, the height of described target object and the area of described target object.
2. lighting circuit according to claim 1, it is characterised in that described drive circuit includes driving module and the first switch, wherein:
First end of described driving module and the second end connect the first end and second end of described power supply circuits respectively；
3rd end of described driving module and the 4th end connect the first end and second end of described light source respectively；
5th end of described driving module is by described first switch ground connection, and described first switch is for controlling the described driving module output electric current to described light source.
3. lighting circuit according to claim 2, it is characterised in that described range-measuring circuit includes range finder module, second switch, the 3rd switch and the 4th switch, wherein:
First end of described range finder module and the second end connect the 6th end and the 7th end of described driving module respectively；
3rd end of described range finder module passes through described second switch ground connection；
4th end of described range finder module is by described 3rd switch ground connection；
5th end of described range finder module is by described 4th switch ground connection.
4. lighting circuit according to claim 3, it is characterised in that described range finder module includes distance detection unit, deletes unit and height area detecting unit, wherein:
The 3rd end that one end is described range finder module of described distance detection unit, described distance detection unit launches laser for the control according to described second switch to described target object, to detect the distance of described target object and described lighting circuit, generate corresponding distance value；
The 4th end that one end is described range finder module of described deletion unit, described deletion unit is for the distance value controlling deletion generation according to described 3rd switch；
The 5th end that one end is described range finder module of described height area detecting unit, described height area detecting unit is for launching described laser, the area of height or described target object to detect described target object according to the control of described 4th switch to described target object.
5. lighting circuit according to claim 2, it is characterised in that described power supply circuits include supply module, battery, the first diode, the second diode and the first electric capacity, wherein:
The first of described supply module terminates the positive pole of described first diode, and the negative pole of described first diode connects the positive pole of described battery, the first end of the just extremely described power supply circuits of described battery；
The second of described supply module terminates the negative pole of described second diode, and the positive pole of described second diode connects the negative pole of described battery, and the negative pole of described battery is the second end of described power supply circuits, the minus earth of described battery；
The first of described first electric capacity terminates the positive pole of described first diode, and the second of described first electric capacity terminates the negative pole of described second diode.
6. lighting circuit according to claim 5, it is characterised in that described driving module includes driving chip, metal-oxide-semiconductor and voltage stabilizing chip, wherein:
Described driving chip for switching on-off the electric current controlling output to described light source according to described first, and described voltage stabilizing chip is used for as described light source voltage stabilizing；
Described driving chip includes reset terminal, input, control end and dutycycle outfan；
Described voltage stabilizing chip includes voltage input end, voltage output end and earth terminal；
Resetting of described driving chip terminates the positive pole of described battery, and the input of described driving chip terminates the positive pole of described second diode；
The end that controls of described driving chip is the 5th end driving module；
The dutycycle output of described driving chip terminates the first end of described metal-oxide-semiconductor；
Second end of described metal-oxide-semiconductor is the first end of described driving module, and the second end of described metal-oxide-semiconductor also connects supply voltage, the 3rd end that the 3rd end is described driving module of described metal-oxide-semiconductor；
The voltage input end of described voltage stabilizing chip connects the first end of described metal-oxide-semiconductor, and the voltage output end of described voltage stabilizing chip is the 4th end of described driving module, the earth terminal ground connection of described voltage stabilizing chip.
7. lighting circuit according to claim 6, it is characterised in that the input of described driving chip includes input end of clock, power input and earth terminal, wherein:
The input end of clock of described driving chip connects the positive pole of described second diode；
The power input of described driving chip connects the positive pole of described second diode；
The ground connection of described driving chip terminates the positive pole of described second diode.
8. lighting circuit according to claim 7, it is characterised in that described driving module also includes the first resistance, the second resistance, the 3rd resistance, the 4th resistance and the second electric capacity, wherein:
The first of described first resistance terminates the reset terminal of described driving chip, and the second of described first resistance terminates the positive pole of described battery；
The first of described second resistance terminates the input end of clock of described driving chip, and the second of described second resistance terminates the positive pole of described second diode；
The first of described second electric capacity terminates the power input of described driving chip, and the second of described second electric capacity terminates the positive pole of described second diode；
The first of described 3rd resistance terminates the first end of described metal-oxide-semiconductor, and the second of described 3rd resistance terminates the voltage input end of described voltage stabilizing chip；
The first of described 4th resistance terminates the first end of described metal-oxide-semiconductor, and the second of described 4th resistance terminates the dutycycle outfan of described driving chip.
9. lighting circuit according to claim 6, it is characterised in that described driving chip also includes the first voltage stabilizing end and the second voltage stabilizing end, and described driving module also includes the 5th resistance and manostat, wherein:
The first of described 5th resistance terminates the first voltage stabilizing end of described driving chip, and the second of described 5th resistance terminates the first end of described manostat；
The second of described manostat terminates the second voltage stabilizing end of described driving chip；
3rd end ground connection of described manostat.
10. lighting circuit according to claim 9, it is characterised in that
Described light source is LED light emitting diode, the positive pole that the first end is described light emitting diode of described light source, the negative pole that the second end is described light emitting diode of described light source；
First end of described metal-oxide-semiconductor is grid, and the second end of described metal-oxide-semiconductor is source electrode, and the 3rd end of described metal-oxide-semiconductor is drain electrode；
First end of described manostat is negative electrode, and the second end of described manostat is that the 3rd end of described manostat is anode with reference to pole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410795130.9A CN105792460B (en) | 2014-12-18 | 2014-12-18 | Lighting circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410795130.9A CN105792460B (en) | 2014-12-18 | 2014-12-18 | Lighting circuit |
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| CN105792460B CN105792460B (en) | 2019-08-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086016A (en) * | 1992-07-02 | 1994-04-27 | 川德技术公司 | Motor vehicles Range Measurement System with compound reflector display device |
| CN101391587A (en) * | 2007-08-08 | 2009-03-25 | 哈曼贝克自动系统股份有限公司 | Vehicle illumination system |
| US20140320023A1 (en) * | 2013-04-24 | 2014-10-30 | GE Lighting Solutions, LLC | Lighting systems and methods providing active glare control |
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2014
- 2014-12-18 CN CN201410795130.9A patent/CN105792460B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086016A (en) * | 1992-07-02 | 1994-04-27 | 川德技术公司 | Motor vehicles Range Measurement System with compound reflector display device |
| CN101391587A (en) * | 2007-08-08 | 2009-03-25 | 哈曼贝克自动系统股份有限公司 | Vehicle illumination system |
| US20140320023A1 (en) * | 2013-04-24 | 2014-10-30 | GE Lighting Solutions, LLC | Lighting systems and methods providing active glare control |
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| CN105792460B (en) | 2019-08-13 |
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