CN202082633U - Flashlight - Google Patents
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- CN202082633U CN202082633U CN2011200957965U CN201120095796U CN202082633U CN 202082633 U CN202082633 U CN 202082633U CN 2011200957965 U CN2011200957965 U CN 2011200957965U CN 201120095796 U CN201120095796 U CN 201120095796U CN 202082633 U CN202082633 U CN 202082633U
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- 239000003086 colorant Substances 0.000 claims abstract description 28
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- 238000006243 chemical reaction Methods 0.000 claims description 16
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- 230000011664 signaling Effects 0.000 claims description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Abstract
The utility model discloses a flashlight, which is provided with a lamp cap, a shell body and a tail cover, and further mainly comprises LED units with at least two colors, at least one control signal generating circuit and a drive unit, wherein the LED units are arranged inside a reflecting cover of the lamp cap; the control signal generating circuit of a control switch is arranged at the outer side of the shell body or on the tail cover; the drive unit is arranged in a hollow cavity at the connecting part of the lamp cap and the shell body; and an input end of the drive unit is connected with the control signal generating circuit, an output end of the drive unit is connected with a substrate of the LED units, and the drive unit can regulate the current of all the LED units according to a received control signal and enables lights of all the LED units to be emitted after being mixed. As the control switch has different states, and each state emits light of one color correspondingly, the final light is mixed by the lights emitted by all the LED units, the lights emitted by the flashlight are mixed by switching different states of the control switch, so that the color or the color temperature of the flashlight can be regulated continuously.
Description
Technical field
The utility model relates to lighting field, relates to a kind of flashlight in particular.
Background technology
Flashlight is a kind of hand-held electronic lighting apparatus, mainly constitute by lamp holder, housing, bulb, power supply and tail-hood, early stage flashlight is generally solid color or monochromatic temperature flashlight, and along with development of times, early stage flashlight can't satisfy people and use its needs in different occasions.For satisfying people's needs,, irradiating object higher in sunny brightness at night cool colour light flashlight has more clearly appearred; Colour temperature is low, wavelength is longer, at strong warm colour light flashlight of misty rain weather penetration power or the like.Adopt the adjustable flashlight of such color or colour temperature can help outdoor personnel to tackle night illumination under the various weather.
Current the most frequently used be a kind of LED (Light Emitting Diode that regulates color, light emitting diode) flashlight, be by the LED lamp of different colours is set in flashlight inside, and the light on and off of switching the LED of different colours by one or more switches, make its LED lamp that can light a kind of color, realize the illuminating effect of different colours.
But, adopt this flashlight of regulating color in the prior art, because it can only turn on a kind of LED lamp of color each time, can not realize multiple color effects.For example, when only being provided with the lamp of red LED, green LED and three kinds of colors of blue led in the flashlight, the structure of flashlight can only realize the illuminating effect of three kinds of colors in mode by above-mentioned adjusting color and the prior art, and can not realize by R, G, B three primary colours being carried out mixed light, obtain the illuminating effect of other different colours.Simultaneously, flashlight of the prior art since structure limit and can not realize the adjustable continuously of color or colour temperature.
The utility model content
In view of this, the utility model provides a kind of flashlight, to overcome flashlight color adaptation dullness in the prior art, can't realize the continuously adjustable problem of color or colour temperature.
For achieving the above object, the utility model provides following technical scheme:
A kind of flashlight has lamp holder, housing and tail-hood, comprising:
Be arranged at the LED unit of at least two kinds of colors of the reflection shield inside of lamp holder;
At least comprise that being arranged at the control signal that hull outside or tail-hood place have a gauge tap of various states produces circuit;
Be arranged in the cavity of lamp holder and housing junction, input produces circuit with control signal and is connected, output is connected with the substrate of described LED unit, regulates the electric current of all LED unit according to the control signal that receives, the driver element that sends after the light of all LED unit is mixed.
Preferably, described control signal produces circuit and also comprises: the resistance R 1 that is connected with described gauge tap, and be connected in described gauge tap and resistance R 1 link, the signaling conversion circuit of changeover control signal and output;
Described gauge tap is a potentiometer, and the different resistances of the corresponding described potentiometer of described control signal generation circuit are exported the control signal of different amplitudes;
Or described gauge tap is a break-make switch type switch, and when break-make switch type switch switching state, described control signal produces the control signal that circuit is exported corresponding described break-make switch type switch switching state;
When break-make switch type switch once more during switching state, keep the light that LED unit previous moment is sent.
Preferably, described LED unit comprises:
Two or more any combination in White LED unit, red LED unit, blue led unit, green LED unit and the yellow led unit.
Preferably, described LED unit is the LED unit under the different-colour, comprising:
Warm white LEDs unit, cold white LEDs unit and the positive two or more any combination in white LEDs unit.
Preferably, described gauge tap comprises: a grade switch, stepless switch, key switch or rotary switch are arranged.
Preferably, after the color LED units in series of the same race in the LED unit of multiple color, the LED unit of described multiple color is arranged on the same substrate, and scioptics are packaged into a LED unit.
Preferably, described driver element comprises:
With the anodal constant-current source that is connected stabling current in described LED unit;
By the switching tube S1 under the signal controlling of described control signal generation circuit output, convert the sampled signal on the sampling resistor Rs1 to the pulse signal relevant with the control signal dutycycle, convert level signal once more to by filter circuit, and pass through the average back of current equalizer Vshare with the respective signal on other roads and import amplifier U1 normal phase input end, via the output of amplifier U1 output, adjust the impedance conversion of pipe Q1 by control and regulate the current regulation unit of described LED cell current again;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
Preferably, described driver element comprises:
With the anodal constant pressure source that is connected with sampling resistor Rs1 in described LED unit;
When the signal of described control signal generation circuit output is level signal, compare by the sampled signal of amplifier U1 normal phase input end input, obtain output signal control adjustment pipe S1 impedance conversion and regulate the current regulation unit of described LED cell current with the sampling resistor Rs1 of amplifier U1 inverting input input;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
Preferably, described driver element comprises:
With the anodal constant pressure source that is connected burning voltage in described LED unit;
When the signal that produces circuit output when described control signal is pulse signal, receive described pulse signal, and, regulate the current regulation unit of described LED cell current according to the different duty or the different frequency of described pulse signal;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
Preferably, described driver element comprises:
Receive the road signal that described control signal produces circuit output, the non-isolation DC-DC constant current unit of the electric current of the LED unit of control adjustment corresponding color;
For non-isolation DC-DC constant current unit provides the constant pressure source of electric energy.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model openly provides a kind of flashlight.The LED unit that in this flashlight, comprises gauge tap and at least two kinds of colors; Make its corresponding different state by setting to gauge tap, the light of a kind of color that the corresponding flashlight of each state sends, and the light of every kind of color, the light that sends by the LED unit of at least two kinds of colors mixes; The utility model utilizes the switching of gauge tap between different conditions, and the light that flashlight is sent carries out mixed light, so that obtain the light of different colours, realizes that the color or the colour temperature of flashlight is adjustable continuously.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the structural representation of the disclosed flashlight of the utility model;
Fig. 2 is the structural representation of the disclosed another kind of flashlight of the utility model;
Structural representation when Fig. 3 is cold white LEDs unit and warm white LEDs unit for the disclosed LED of the utility model unit;
Fig. 4 is the structural representation that the disclosed control signal of the utility model produces circuit;
Fig. 5 is the structural representation that the disclosed another kind of control signal of the utility model produces circuit;
Fig. 6 is the structural representation of the disclosed a kind of driver module of the utility model;
Fig. 7 is the disclosed a kind of signal conversion schematic diagram of the utility model;
Fig. 8 is the structural representation of the disclosed another kind of driver module of the utility model;
Fig. 9 is the structural representation of the disclosed another kind of driver module of the utility model;
Figure 10 is the structural representation of the disclosed another kind of driver module of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
By background technology as can be known, though flashlight of the prior art is provided with the LED lamp of different colours in inside, when but it carries out the switching of LED modules with different colors lamp by switch, can only realize the illuminating effect of corresponding color, promptly can only light a kind of LED lamp of color each time, can not carry out mixed light, promptly can not realize the adjustable continuously of color or colour temperature.Therefore, the utility model embodiment discloses a kind of flashlight, the LED unit that mainly comprises gauge tap and at least two kinds of colors, disclosed gauge tap has different states, the light of a kind of color that the corresponding the utility model flashlight of each state sends, and the color of the light that finally sends, then the light mixed light that is sent by the LED unit after the LED cell current of regulating every kind of color forms.Therefore,, make flashlight obtain the light of different colours, realize that the color or the colour temperature of flashlight is adjustable continuously by the switching between the different conditions of gauge tap.The structure and the control procedure of concrete flashlight of the present utility model are elaborated by following examples.
Embodiment one
Present embodiment discloses a kind of flashlight, and concrete structure sees also accompanying drawing 1, mainly comprises: lamp holder 1, led light source 2, gauge tap 3, reflection shield 4, substrate 5, driver module 6, cavity 7, housing 8 and tail-hood 9.
As shown in Figure 1, reflection shield 4 is arranged at the inwall of lamp holder 1, led light source 2 is arranged on reflection shield 4 inside, this led light source 2 is made of the LED unit of two kinds of colors at least, the substrate 5 that led light source 2 is installed is positioned at lamp holder 1 one sides, link to each other with the output of driver module 6 in the cavity that is arranged at lamp holder 1 and housing 8 junctions, the control end of this driver module 6 links to each other with the output that control signal produces circuit, receive control signal and produce the control signal that circuit produces, and regulate the electric current of all LED unit according to the control signal that receives, after being mixed, sends the light of all LED unit.
This control signal produces and comprises at least on circuit and be arranged at the gauge tap 3 that housing 8 outsides or tail-hood 9 places have various states, promptly this control signal part of producing circuit is positioned at the inboard of housing 8, and 3 of gauge taps that trigger control signal are positioned on the outside or tail-hood 9 of housing 8 (when being arranged at tail-hood 9 as shown in Figure 2).
Include cavity 7 in the inside of described housing 8, in this cavity 7 battery is housed, be connected with the input of driver module 6 in the cavity that is arranged at lamp holder 1 and housing 8 junctions.
Described driver module 6, receive the power supply that the battery in the flashlight provides by input on the one hand, convert thereof into the required curtage of led light source 2, accept the control of gauge tap 3 on the other hand by control end, gauge tap 3 changes according to control signal by the curtage that control signal produces 6 outputs of circuit control driver module.
Set led light source is made of the LED unit of two kinds of colors at least in the disclosed flashlight of above-mentioned the utility model, that is to say to be multiple color.
" color " of indication not only can refer to primary colours such as redness, blueness, green in the present embodiment, also can refer to warm white, cold in vain, the led color under the different-colour such as just white.Therefore, the LED unit of at least two kinds of colors can comprise different colors.Combination arbitrarily in twos as White LED, red LED, green LED or blue led etc.; The LED that also can comprise different-colour is as the combination arbitrarily in twos of warm white LEDs, cold white LEDs or positive white LEDs etc.When having the LED unit of multiple color, then can be any combination of above-mentioned color.
In the control procedure of carrying out mixed light, the LED unit at least two kinds of colors for example comprises red LED, green LED and blue led, and the mixing of the different brightness of the LED unit by controlling these three kinds of colors obtains the light of the different colours that flashlight sends.And the LED unit of each color can comprise the LED lamp of this color, also can be the LED lamp of this color of a plurality of series connection.
In the control procedure of carrying out mixed light, LED unit for two kinds of colors, when being included as cold white LEDs unit and warm white LEDs unit according to the led color under the colour temperature, see also accompanying drawing 3,21 are warm white LEDs unit among the figure, 22 is cold white LEDs unit, and these two kinds of LED unit are co-located on the same substrate 24, and scioptics 23 are packaged together.In the process of control, different variations by electric current on cold white LEDs unit 22 and the warm white LEDs unit 21, make this cold white and warm white pairing color temperature value carry out the mixing of different proportion, obtain the different-colour between these two kinds of color temperature values, realize the light of the different-colour that sends of flashlight.
For the LED unit of above-mentioned multiple color when the encapsulation, can adopt the LED unit of color of the same race connected after, LED unit with multiple color is arranged on the same substrate again, and scioptics are packaged into a LED unit, promptly can be encapsulated in a led light source inside, and comprise common lens and substrate etc.And with the LED unit package of multiple color together, can make the light source in the flashlight more concentrated, after the reflection by reflector, its hot spot is more concentrated.
At the disclosed gauge tap of the utility model embodiment, it can be that grade switch and stepless switch are arranged, and also can be key switch or rotary switch.Promptly be arranged in control signal produce circuit gauge tap its can have various states.In the control of reality, have two kinds of different modes, one, the light of a kind of color that the corresponding flashlight of each state of gauge tap sends; By the switching between the different conditions of gauge tap, make the light of flashlight acquisition different colours, realize the color tunable of flashlight; Its two, when the gauge tap state switched, the LED unit of every kind of color all began to change its brightness, the light color that flashlight is sent begins to change according to certain rules; When this gauge tap switches once more, the disclosed flashlight of the utility model will be kept the light color that previous moment is sent.
Because by the different conditions of gauge tap, perhaps the switching between the state is finished the color or the colour temperature of LED unit is carried out successive control in the present embodiment.Therefore, according to the difference of gauge tap, the control signal that can obtain different structure produces circuit.
The control signal of following open corresponding above-mentioned first kind of mode produces circuit:
See also accompanying drawing 4, this control signal produces circuit and comprises: gauge tap, this gauge tap are potentiometer Rsw, also comprise the resistance R 1 that is connected with this potentiometer Rsw, and be connected in potentiometer Rsw and resistance R 1 link, be used for the signaling conversion circuit of changeover control signal Va and output.
Produce the change in resistance of passing through control potentiometer Rsw in the circuit in this control signal, can export the control signal of different amplitudes, this control signal is level signal Va.
In addition, also the potentiometer Rsw in this control signal generation circuit and the position of resistance R 1 can be changed, produce the level signal Va of different amplitudes.
The following control signal that discloses the corresponding above-mentioned second way produces circuit:
See also accompanying drawing 5, this control signal produces circuit and comprises: gauge tap, this gauge tap is a break-make switch type switch SW, also comprise the resistance R 1 that is connected with this break-make switch type switch SW, and be connected in this break-make switch type switch SW and resistance R 1 link, be used for the signaling conversion circuit of changeover control signal Va and output.
When break-make switch type switch SW switching state, as switching to " breaking " state from " leading to " state, or as switch to " leading to " state from " breaking " state, control signal Va is via signaling conversion circuit output signal V1, V2 and V3, and signal V1, V2 and V3 are changed according to certain rules.By the control of signal V1, V2 and V3, make the LED unit of every kind of color begin to change its brightness, be that the light color that the disclosed flashlight of the utility model sends also begins to change according to certain rule.
When this break-make switch type switch SW once more during switching state, then make this flashlight keep the light that previous moment LED unit sends, the color of promptly keeping the LED unit is constant.
Under the description of above-mentioned structure that control under two kinds of control modes is opened the light of the present utility model, the disclosed driver module of above-mentioned the utility model of while, can adopt four kinds of structures under above-mentioned dual mode, finish according to the control signal of control signal generation circuit generation the LED unit is finally controlled.Because, each corresponding one road current regulation unit of the LED unit of color of the same race.Setting forth for convenient, be example with the two paths of LED output circuit all in the following example, but the way of LED output circuit disclosed in the utility model is not limited in this.
Following first kind of driver module be shown:
See also accompanying drawing 6, this driver module mainly comprises: constant-current source 11 and current regulation unit.
Constant-current source 11 and LED unit are anodal to be connected, and is used for stabling current, and this LED unit can be a LED lamp, also can be the LED lamp of the color of the same race of a plurality of series connection.
Current regulation unit mainly comprises: biasing resistor Ra, current equalizer Vshare, and the current regulating circuit 12 of corresponding every paths of LEDs unit, adjustment circuit 13 and adjusting control circuit 14.Comprise a plurality of current regulating circuits at current regulation unit, the LED unit of the corresponding a kind of color of each current regulating circuit.
With one road current regulating circuit is that example describes.Wherein, have switching tube S1 in the current regulating circuit 12, and the sampling resistor Rs1 and the filter circuit 15 that are connected with the high level of switching tube S1.
In the process of control, the pulse signal 1 (transfer process sees also accompanying drawing 7) that the signal Va that current regulating circuit 12 receptions are sent by gauge tap converts via signaling conversion circuit; Level signal on the sampling resistor Rs1 of adjustment circuit 13 is this road current sampling signal, by the switching tube S1 under the signal controlling of described pulse signal 1 generation circuit output, convert the sampled signal on the sampling resistor Rs1 to the pulse signal relevant with the control signal dutycycle, and convert level signal V1 once more to via filter circuit, in regulating control circuit, the respective signal on this level signal V1 and other roads, through the average back input of current equalizer Vshare amplifier U1 normal phase input end, via the output of amplifier U1 output, adjust the electric current of the impedance conversion adjusting LED unit of pipe Q1 by control again.
Promptly can control the size of every kind of color LED cell current, control the proportional variation of each paths of LEDs cell current, thereby realize that flashlight sends the light of color tunable by current regulation unit 12.
Following second kind of driver module be shown:
See also accompanying drawing 8, this driver module mainly comprises: constant pressure source 31 and current regulation unit.
The high level end of constant pressure source 31 is connected with the LED unit is anodal, and low level end is connected with sampling resistor Rs1.Wherein, this LED unit can be a LED lamp, also can be the LED lamp of the color of the same race of a plurality of series connection.
Current regulation unit mainly comprises: current regulating circuit 32.This current regulating circuit 32 is the linear circuit of adjusting.In the circuit adjustment unit, comprise a plurality of current regulating circuits, the LED unit of the corresponding a kind of color of each current regulating circuit.
With one road current regulating circuit is that example describes.When the signaling conversion circuit 33 that produces circuit when control signal is converted to level signal V1 with control signal Va (when having the multichannel current regulating circuit, the level signal of corresponding multichannel), amplifier U1 normal phase input end input by current regulating circuit 32, compare with the sampled signal of the sampling resistor Rs1 of amplifier U1 inverting input input, obtain output signal control and adjust pipe S1 impedance conversion, so that it is adjustable continuously to finish the color of the light that the disclosed flashlight of the utility model is sent so that regulate the electric current of LED unit.
Following the third driver module that illustrates:
See also accompanying drawing 9, this driver module mainly comprises: constant pressure source 41 and current regulation unit.
The high level end of constant pressure source 41 is connected with the LED unit is anodal, and the negative pole of LED unit connects an end of current-limiting circuit 42, and the other end of current-limiting circuit 42 connects the low level end of constant pressure source 41.Wherein, this LED unit can be a LED lamp, also can be the LED lamp of the color of the same race of a plurality of series connection.
Current regulation unit mainly comprises: current-limiting circuit 42.In the circuit adjustment unit, comprise a plurality of current-limiting circuits, the LED unit of the corresponding a kind of color of each current-limiting circuit.
When the signal that produces signaling conversion circuit 44 outputs of circuit when control signal is pulse signal, current-limiting circuit receives the control of this pulse signal, and according to the different duty or the frequency of pulse signal, the electric current that output is corresponding is so that it is adjustable continuously to finish the color of the light that the disclosed flashlight of the utility model is sent.
Following the 4th kind of driver module be shown:
See also accompanying drawing 10, described driver module comprises: constant pressure source 51 and non-isolation DC-DC constant current unit 52 comprise a plurality of DC-DC unit in this driver module, and the LED unit of color of the same race constitutes and the corresponding connection in one road DC-DC unit.
Describe with one road DC-DC unit.Form the loop by the constant pressure source 51 and the LED unit of DC-DC unit 52 and color of the same race, this constant pressure source 51 provides electric energy for the DC-DC unit, the input of DC-DC unit 52 receives the road signal that control signal produces signaling conversion circuit 53 outputs of circuit, by the control of DC-DC unit 52 being adjusted the electric current of the LED unit of corresponding color, so that it is adjustable continuously to finish the color of the light that the disclosed flashlight of the utility model is sent.
Need to prove that this DC-DC unit can be any DC-DC circuit, for example BUCK circuit, BOOST circuit or BUCK-BOOST circuit etc.
For the driver module of above-mentioned disclosed different structure, all can control by disclosed two kinds of modes that produce control signal in the above-mentioned example.And, promptly produce different control signals in conjunction with above-mentioned disclosed driver module according to the different conditions of gauge tap, realize that flashlight of the present utility model can adopt multiple different colours to throw light on.And utilize the switching of gauge tap between different conditions, the light that flashlight is sent carries out mixed light, realizes that the color or the colour temperature of flashlight is adjustable continuously.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a flashlight has lamp holder, housing and tail-hood, it is characterized in that, comprising:
Be arranged at the LED unit of at least two kinds of colors of the reflection shield inside of lamp holder;
At least comprise that being arranged at the control signal that hull outside or tail-hood place have a gauge tap of various states produces circuit;
Be arranged in the cavity of lamp holder and housing junction, input produces circuit with control signal and is connected, output is connected with the substrate of described LED unit, regulates the electric current of all LED unit according to the control signal that receives, and makes the driver element that sends behind the light mixed light of all LED unit.
2. flashlight according to claim 1, it is characterized in that, described control signal produces circuit and also comprises: the resistance R 1 that is connected with described gauge tap, and be connected in described gauge tap and resistance R 1 link, the signaling conversion circuit of changeover control signal and output;
Described gauge tap is a potentiometer, and the different resistances of the corresponding described potentiometer of described control signal generation circuit are exported the control signal of different amplitudes;
Or described gauge tap is a break-make switch type switch, and when break-make switch type switch switching state, described control signal produces the control signal that circuit is exported corresponding described break-make switch type switch switching state;
When break-make switch type switch once more during switching state, keep the light that LED unit previous moment is sent.
3. flashlight according to claim 1 is characterized in that, described LED unit comprises:
Two or more any combination in White LED unit, red LED unit, blue led unit, green LED unit and the yellow led unit.
4. flashlight according to claim 1 is characterized in that, described LED unit is the LED unit under the different-colour, comprising:
Warm white LEDs unit, cold white LEDs unit and the positive two or more any combination in white LEDs unit.
5. flashlight according to claim 1 is characterized in that, described gauge tap comprises: a grade switch, stepless switch, key switch or rotary switch are arranged.
6. flashlight according to claim 1 is characterized in that, after the color LED units in series of the same race in the LED unit of multiple color, the LED unit of described multiple color is arranged on the same substrate, and scioptics is packaged into a LED unit.
7. flashlight according to claim 1 and 2 is characterized in that, described driver element comprises:
With the anodal constant-current source that is connected stabling current in described LED unit;
By the switching tube S1 under the signal controlling of described control signal generation circuit output, convert the sampled signal on the sampling resistor Rs1 to the pulse signal relevant with the control signal dutycycle, convert level signal once more to by filter circuit, and pass through the average back of current equalizer Vshare with the respective signal on other roads and import amplifier U1 normal phase input end, via the output of amplifier U1 output, adjust the impedance conversion of pipe Q1 by control and regulate the current regulation unit of described LED cell current again;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
8. flashlight according to claim 1 and 2 is characterized in that, described driver element comprises:
With the anodal constant pressure source that is connected with sampling resistor Rs1 in described LED unit;
When the signal of described control signal generation circuit output is level signal, compare by the sampled signal of amplifier U1 normal phase input end input, obtain output signal control adjustment pipe S1 impedance conversion and regulate the current regulation unit of described LED cell current with the sampling resistor Rs1 of amplifier U1 inverting input input;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
9. flashlight according to claim 1 and 2 is characterized in that, described driver element comprises:
With the anodal constant pressure source that is connected burning voltage in described LED unit;
When the signal that produces circuit output when described control signal is pulse signal, receive described pulse signal, and, regulate the current regulation unit of described LED cell current according to the different duty or the different frequency of described pulse signal;
Corresponding one road current regulation unit in the LED unit of described color of the same race.
10. flashlight according to claim 1 and 2 is characterized in that, described driver element comprises:
Receive the road signal that described control signal produces circuit output, the non-isolation DC-DC constant current unit of the electric current of the LED unit of control adjustment corresponding color;
For non-isolation DC-DC constant current unit provides the constant pressure source of electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200957965U CN202082633U (en) | 2011-04-02 | 2011-04-02 | Flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200957965U CN202082633U (en) | 2011-04-02 | 2011-04-02 | Flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082633U true CN202082633U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200957965U Expired - Lifetime CN202082633U (en) | 2011-04-02 | 2011-04-02 | Flashlight |
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| Country | Link |
|---|---|
| CN (1) | CN202082633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517532A (en) * | 2013-10-22 | 2014-01-15 | 柳州天运寰通科技有限公司 | LED automobile headlight with adjustable brightness and color temperature |
| CN105491761B (en) * | 2015-12-29 | 2018-08-14 | 生迪智慧科技有限公司 | The LED light of adjustable color temperature and the color temperature adjusting method of LED light |
-
2011
- 2011-04-02 CN CN2011200957965U patent/CN202082633U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517532A (en) * | 2013-10-22 | 2014-01-15 | 柳州天运寰通科技有限公司 | LED automobile headlight with adjustable brightness and color temperature |
| CN105491761B (en) * | 2015-12-29 | 2018-08-14 | 生迪智慧科技有限公司 | The LED light of adjustable color temperature and the color temperature adjusting method of LED light |
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Address after: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication B block 309 Patentee after: LED One (Hangzhou) Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication B block 309 Patentee before: Inventronics (Hangzhou) Co., Ltd. |
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Effective date of registration: 20170802 Address after: Hangzhou City, Zhejiang province 315002 Binjiang District West Street Chutian Road No. 266 Building No. 5 layer 1-3 Patentee after: Thinklux (Zhejiang) Lighting Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 East communication B block 309 Patentee before: LED One (Hangzhou) Co.,Ltd. |
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Effective date of registration: 20201203 Address after: 310052 block a, infight building, 459 Jianghong Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: INVENTRONICS (HANGZHOU), Inc. Address before: 315002 1-3, 5 building, 266 Chutian Road, Binjiang District, Hangzhou, Zhejiang. Patentee before: Zhejiang Silang Lighting Co.,Ltd. |
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