CN104470092B - A kind of control circuit of dimming electric torch and non-pole light regulating flashlight - Google Patents
A kind of control circuit of dimming electric torch and non-pole light regulating flashlight Download PDFInfo
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- CN104470092B CN104470092B CN201410679631.0A CN201410679631A CN104470092B CN 104470092 B CN104470092 B CN 104470092B CN 201410679631 A CN201410679631 A CN 201410679631A CN 104470092 B CN104470092 B CN 104470092B
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- 239000012634 fragment Substances 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 4
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to a kind of control circuit of dimming electric torch, comprise LED drive unit and light-emitting mode unit, also relate to a kind of non-pole light regulating flashlight, comprise lamp holder, LED lamp, stack shell and tail-hood, lamp holder comprises head-shield, reflector and transmission lens; Stack shell comprises and is provided with battery pack, and be provided with fin and transmission element in LED lamp, be provided with wiring board one between fin and transmission element, the top of fin arranges LED aluminium base; Wiring board one is electrically connected with indicator light; Stack shell also comprises the electric-controlled parts contacting with battery pack and connect, electric-controlled parts comprises wiring board two, one end of wiring board two to contact with battery pack connect by being plugged in positive pole shell fragment on wiring board two, the other end to be fixed in fin and to be electrically connected with wiring board one, wiring board two is also provided with and controls push-button switch that is luminous and switching light-emitting mode, push-button switch protrudes from stack shell; Invention increases the reaction sensitivity of flashlight, simplify circuit.
Description
Technical field:
The present invention relates to a kind of flashlight, particularly relate to a kind of control circuit and non-pole light regulating flashlight of dimming electric torch.
Background technology:
Flashlight of the prior art mostly is Dimmable electric torch, and the switching of light-emitting mode has employing to install switching push button or switch at tail-hood, also have and realize handoff functionality by rotary electric torch, these flashlights are all stepping light modulation usually, any adjustment of brightness from 0% to 100% can not be realized, and flashlight switching push button is located on tail-hood, because button is followed between the parts controlling LED luminescence apart from each other, need the circuit that is quick on the draw to control, and for being realized easily causing of handoff functionality by rotary electric torch, instability is controlled to LED, even easily with cause LED and gear loose contact.
Summary of the invention:
The object of the invention is to solve deficiency of the prior art, provide a kind of control circuit of dimming electric torch and one to realize non-pole light regulating, can be quick on the draw again, contact good can non-pole light regulating flashlight, its concrete technical scheme is as follows:
A control circuit for dimming electric torch, is characterized in that: comprise LED drive unit and light-emitting mode unit;
Described LED drive unit comprises LED drive chip, LED light source and metal-oxide-semiconductor Q2, the power end VCC external power supply voltage of described LED drive chip, and described power end VCC is also through electric capacity C2 ground connection; The Enable Pin EN of described LED drive chip connects supply voltage through resistance R1, and the compensation end COMP of LED drive chip connects ground, simultaneously also through the series circuit ground connection of resistance R3 and diode D2 through electric capacity C3; The switch terminals SW of LED drive chip connects and connects the positive pole of LED light source after a coil L1 through resistance R5, ground connection after the input reversal connection voltage stabilizing didoe D1 of described coil L1, the output forward of described coil L1 is connected to ground connection after electrode capacitance C4, the negative supply VSS of described LED drive chip holds ground connection, the negative pole of described LED light source connects the drain electrode of metal-oxide-semiconductor Q2, the source electrode of metal-oxide-semiconductor Q2 is connected to the feedback end FB of LED drive chip, and the source electrode of metal-oxide-semiconductor Q2 is also through resistance R2 ground connection; The grid of metal-oxide-semiconductor Q2 is connected to light-emitting mode unit through resistance R8;
Described light-emitting mode unit comprises voltage stabilizing chip, single-chip microcomputer, triode Q1 and indicator light, the input VDD of described voltage stabilizing chip connects supply voltage, the power end of single-chip microcomputer is connected into after the output OUT of voltage stabilizing chip connects the positive pole of diode D3, the output OUT of voltage stabilizing chip also connects the collector electrode of triode Q1 after the series circuit of resistance R4 and indicator light, the base stage of triode Q1 connects to single-chip microcomputer through resistance R6, the grounded emitter of triode Q1, one end of single-chip microcomputer connects ground connection after switch through resistance R7, electric capacity C7 is connected with between the power end of single-chip microcomputer and the earth terminal of single-chip microcomputer,
After pressing the button switch, the voltage transitions that battery provides by voltage stabilizing chip becomes single-chip microcomputer normally to work required voltage, single-chip microcomputer is to the grid certain voltage of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 conducting, the voltage that battery provides by LED drive chip exports to LED after step-down, LED is bright, and single-chip microcomputer is to the Continuity signal of triode Q1 simultaneously, and indicator light is also bright; When again pressing the button switch, single-chip microcomputer sends switch mode signal to LED drive chip, and LED drive chip switches light-emitting mode by controlling LED.
One can non-pole light regulating flashlight, and comprise the lamp holder, LED lamp, stack shell and the tail-hood that are flexibly connected successively, described lamp holder comprises head-shield, is installed on the reflector in head-shield and is installed on the transmission lens at reflector top, described stack shell is provided with battery pack, it is characterized in that: be provided with fin and transmission element in described LED lamp, between fin and transmission element, be provided with the wiring board one for electric connection indicator light, the top of fin arranges LED aluminium base, described stack shell also comprises the electric-controlled parts contacting with battery pack and connect, electric-controlled parts comprises the wiring board two of control circuit and the holder housing for the protection of wiring board that are integrated with above-mentioned light modulation hand dimming electric torch, wiring board two part is installed in fin, another part is installed in holder housing, be installed on wiring board two in holder housing to contact with battery pack connect by being plugged in positive pole shell fragment on wiring board two, be installed on wiring board two in fin to be fixed in fin by jump ring and to be electrically connected with wiring board one, wiring board two is also provided with and controls push-button switch that is luminous and switching light-emitting mode, described push-button switch is highlighted in stack shell.
Further, described aluminium base and reflector are fixed by gasket seal.
Further, described indicator light can show pilot light by transmission element.
Further, be provided with between described transmission lens and head-shield for sealing the sealing ring with waterproof.
Further, described battery pack comprises battery carrier and battery, can laid out in parallel multiple batteries in described battery carrier.
Further, described tail-hood is connected with battery pack by conductive resilient element.
Further, described light-emitting mode comprises high light, the low light level, non-pole light regulating, passage of scintillation light and warning light.
Compared with prior art, the present invention has following beneficial effect: LED control circuit structural design of the present invention is simple, by the setting of Single Chip Microcomputer (SCM) program, determine the order of light-emitting mode, and the flashing rate of passage of scintillation light and warning light, simplify the control procedure of control circuit, single-chip microcomputer is utilized to decrease the reaction time of circuit, thus it is sensitiveer to make to control reaction, and the present invention is compacter by what install between wiring board one and wiring board two, further improves the sensitivity of reaction.
Accompanying drawing illustrates:
Fig. 1 is explosive view of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is that the present invention can the LED control circuit figure of non-pole light regulating flashlight.
In figure: lamp holder 100, head-shield 110, reflector 120, transmission lens 130, gasket seal 140, sealing ring 150, LED lamp 200, fin 210, transmission element 220, wiring board 1, aluminium base 240, indicator light 250, retainer 260, stack shell 300, battery pack 310, battery carrier 311, battery 312, electric-controlled parts 320, wiring board 2 321, positive pole shell fragment 322, push-button switch 323, jump ring 324, tail-hood 400, elastic component 410, LED drive unit 500, light-emitting mode unit 600.
Embodiment:
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 3, a kind of control circuit of dimming electric torch, comprises LED drive unit 500 and light-emitting mode unit 600.
LED drive unit 500 comprises LED and drives integrated chip, LED and metal-oxide-semiconductor Q2, the power end external power supply voltage of described LED drive chip, and described power end is also through electric capacity C2 ground connection; The Enable Pin of described LED drive chip connects supply voltage through resistance R1, and the compensation end of LED drive chip connects ground, simultaneously also through the series circuit ground connection of resistance R3 and diode D2 through electric capacity C3; The switch terminals of LED drive chip is connected and is connect the positive pole of LED after a coil L1 through resistance R5, ground connection after the input reversal connection voltage stabilizing didoe D1 of described coil L1, the output forward of described coil L1 is connected to ground connection after electrode capacitance C4, the negative power end ground connection of described LED drive chip, the negative pole of described LED connects the drain electrode of metal-oxide-semiconductor, the source electrode of metal-oxide-semiconductor is connected to the feedback end of LED drive chip, and the source electrode of metal-oxide-semiconductor is also through resistance R2 ground connection; The grid of metal-oxide-semiconductor is connected to light-emitting mode unit through resistance R8.
Light-emitting mode unit 600 comprises voltage stabilizing chip, single-chip microcomputer, triode Q1 and indicator light, the input termination supply voltage of described voltage stabilizing chip, the power end of single-chip microcomputer is connected into after the output forward connection diode D3 of voltage stabilizing chip, the output of voltage stabilizing chip also connects the collector electrode of triode Q1 after the series circuit of resistance R4 and indicator light, the base stage of triode connects to single-chip microcomputer through resistance R6, the grounded emitter of triode Q1, one end of single-chip microcomputer connects ground connection after switch through resistance R7, is connected with electric capacity C7 between the power end of single-chip microcomputer and the earth terminal of single-chip microcomputer.
After pressing the button switch, the voltage transitions that battery provides by voltage stabilizing chip becomes single-chip microcomputer normally to work required voltage, single-chip microcomputer is to the grid certain voltage of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 conducting, the voltage that battery provides by LED drive chip exports to LED after step-down, LED is bright, and single-chip microcomputer is to the Continuity signal of triode Q1 simultaneously, and indicator light is also bright; When again pressing the button switch, single-chip microcomputer sends switch mode signal to LED drive chip, and LED drive chip switches light-emitting mode by controlling LED.
As depicted in figs. 1 and 2, the invention still further relates to a kind of non-pole light regulating flashlight, comprise the lamp holder 100, LED lamp 200, stack shell 300 and the tail-hood 400 that are flexibly connected successively.
Wherein lamp holder 100 comprises head-shield 110, is installed on the reflector 120 in head-shield 110 and is installed on the transmission lens 130 at reflector 120 top, is provided with for sealing the sealing ring 150 with waterproof between transmission lens 130 and head-shield 110.
Fin 210 and transmission element 220 are installed in LED lamp 200, fin 210 is in staged, wiring board 1 is installed between fin 210 and transmission element 220, wiring board 1 is fixedly sleeved on the first ladder of fin 210 by retainer 260, and wiring board 1 is electrically connected with indicator light 250, indicator light 250 can show the pilot light of flashlight current state by transmission element 220, the top of fin 210 arranges LED aluminium base 240, and aluminium base 240 is fixed by gasket seal 140 with reflector 120.
Stack shell 300 comprises battery pack 310 and contacts the electric-controlled parts 320 connected with battery pack 310, electric-controlled parts 320 comprises wiring board 2 321 and the holder housing 325 for the protection of wiring board two, described wiring board 2 321 is integrated with the control circuit of dimming electric torch described in the present invention, and wiring board 2 321 part is installed in fin 210, another part is installed in holder housing 325, be installed on wiring board 2 321 in holder housing 325 to contact with battery pack 310 connect by being plugged in positive pole shell fragment 322 on wiring board 2 321, be installed on wiring board 2 321 in fin 210 to be fixed in fin 210 by jump ring 324 and to be electrically connected with wiring board 1, such layout makes the access path between wiring board 1 and wiring board 2 321 greatly shorten, thus effectively improve the sensitivity of flashlight bright light, wiring board 2 321 is also provided with and controls push-button switch 323 that is luminous and switching light-emitting mode, push-button switch 323 is highlighted in stack shell 300, the design of this push-button switch 323 can effectively prevent switch light-emitting mode or regulate brightness time loose contact phenomenon, wherein light-emitting mode of the present invention comprises high light, the low light level, non-pole light regulating, passage of scintillation light and warning light.
Battery pack 310 comprises battery carrier 311 and battery 312, can laid out in parallel multiple batteries 312 in described battery carrier 311, comprise two battery carriers 311 in the present invention, each battery carrier 311 can three batteries in parallel, so just when keeping certain voltage, the power that LED exports can be increased.
Tail-hood 400 is connected with battery pack 310 by conductive resilient element 410, adopts metal spring to be connected with battery pack 310 by tail-hood 400 in the present invention.
LED control circuit structural design of the present invention is simple, by the setting of Single Chip Microcomputer (SCM) program, determine the order of light-emitting mode, and the flashing rate of passage of scintillation light and warning light, simplify the control procedure of control circuit, utilize single-chip microcomputer to decrease the reaction time of circuit, thus it is sensitiveer to make to control reaction, and the present invention is compacter by what install between wiring board one and wiring board two, improves the sensitivity of reaction further.
Claims (8)
1. a control circuit for dimming electric torch, is characterized in that: comprise LED drive unit and light-emitting mode unit;
Described LED drive unit comprises LED drive chip, LED light source and metal-oxide-semiconductor Q2, the power end VCC external power supply voltage of described LED drive chip, and described power end VCC is also through electric capacity C2 ground connection; The Enable Pin EN of described LED drive chip connects supply voltage through resistance R1, and the compensation end COMP of LED drive chip connects ground, simultaneously also through the series circuit ground connection of resistance R3 and diode D2 through electric capacity C3; The switch terminals SW of LED drive chip connects and connects the positive pole of LED light source after a coil L1 through resistance R5, ground connection after the input reversal connection voltage stabilizing didoe D1 of described coil L1, the output forward of described coil L1 is connected to ground connection after electrode capacitance C4, the negative supply VSS of described LED drive chip holds ground connection, the negative pole of described LED light source connects the drain electrode of metal-oxide-semiconductor Q2, the source electrode of metal-oxide-semiconductor Q2 is connected to the feedback end FB of LED drive chip, and the source electrode of metal-oxide-semiconductor Q2 is also through resistance R2 ground connection; The grid of metal-oxide-semiconductor Q2 is connected to light-emitting mode unit through resistance R8;
Described light-emitting mode unit comprises voltage stabilizing chip, single-chip microcomputer, triode Q1 and indicator light, the input VDD of described voltage stabilizing chip connects supply voltage, the power end of single-chip microcomputer is connected into after the output OUT of voltage stabilizing chip connects the positive pole of diode D3, the output OUT of voltage stabilizing chip also connects the collector electrode of triode Q1 after the series circuit of resistance R4 and indicator light, the base stage of triode Q1 connects to single-chip microcomputer through resistance R6, the grounded emitter of triode Q1, one end of single-chip microcomputer connects ground connection after switch through resistance R7, electric capacity C7 is connected with between the power end of single-chip microcomputer and the earth terminal of single-chip microcomputer,
After pressing the button switch, the voltage transitions that battery provides by voltage stabilizing chip becomes single-chip microcomputer normally to work required voltage, single-chip microcomputer is to the grid certain voltage of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 conducting, the voltage that battery provides by LED drive chip exports to LED after step-down, LED is bright, and single-chip microcomputer is to the Continuity signal of triode Q1 simultaneously, and indicator light is also bright; When again pressing the button switch, single-chip microcomputer sends switch mode signal to LED drive chip, and LED drive chip switches light-emitting mode by controlling LED.
2. can a non-pole light regulating flashlight, comprise the lamp holder, LED lamp, stack shell and the tail-hood that are flexibly connected successively, described lamp holder comprises head-shield, is installed on the reflector in head-shield and is installed on the transmission lens at reflector top, described stack shell is provided with battery pack, it is characterized in that: be provided with fin and transmission element in described LED lamp, between fin and transmission element, be provided with the wiring board one for electric connection indicator light, the top of fin arranges LED aluminium base, described stack shell also comprises the electric-controlled parts contacting with battery pack and connect, electric-controlled parts comprises the wiring board two of control circuit and the holder housing for the protection of wiring board that are integrated with light modulation hand dimming electric torch as claimed in claim 1, wiring board two part is installed in fin, another part is installed in holder housing, be installed on wiring board two in holder housing to contact with battery pack connect by being plugged in positive pole shell fragment on wiring board two, be installed on wiring board two in fin to be fixed in fin by jump ring and to be electrically connected with wiring board one, wiring board two is also provided with and controls push-button switch that is luminous and switching light-emitting mode, described push-button switch is highlighted in stack shell.
3. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: described aluminium base and reflector are fixed by gasket seal.
4. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: described indicator light can show pilot light by transmission element.
5. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: be provided with between transmission lens and head-shield for sealing the sealing ring with waterproof.
6. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: described battery pack comprises battery carrier and battery, can laid out in parallel multiple batteries in described battery carrier.
7. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: described tail-hood is connected with battery pack by conductive resilient element.
8. a kind of non-pole light regulating flashlight as claimed in claim 2, is characterized in that: described light-emitting mode comprises high light, the low light level, non-pole light regulating, passage of scintillation light and warning light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679631.0A CN104470092B (en) | 2014-11-24 | 2014-11-24 | A kind of control circuit of dimming electric torch and non-pole light regulating flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410679631.0A CN104470092B (en) | 2014-11-24 | 2014-11-24 | A kind of control circuit of dimming electric torch and non-pole light regulating flashlight |
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| Publication Number | Publication Date |
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| CN104470092A CN104470092A (en) | 2015-03-25 |
| CN104470092B true CN104470092B (en) | 2016-04-13 |
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| CN201410679631.0A Expired - Fee Related CN104470092B (en) | 2014-11-24 | 2014-11-24 | A kind of control circuit of dimming electric torch and non-pole light regulating flashlight |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204879487U (en) * | 2015-08-22 | 2015-12-16 | 宁波圣兰特电子科技有限公司 | Electric torch |
| CN105402624A (en) * | 2015-12-02 | 2016-03-16 | 成都科创佳思科技有限公司 | LED flashlight |
| CN106764576B (en) * | 2016-11-28 | 2019-11-22 | 宁波市柯玛士太阳能科技有限公司 | A kind of electric torch for illumination |
| CN106764579A (en) * | 2016-11-30 | 2017-05-31 | 陈清 | A kind of flashlight |
| CN109140273A (en) * | 2018-08-17 | 2019-01-04 | 贵州师范学院 | One kind having multi-functional flashlight and its manufacturing method |
| CN109373217A (en) * | 2018-12-17 | 2019-02-22 | 深圳市乐惠光电科技有限公司 | Long-range hand-held searching lamp |
| CN112503413A (en) * | 2020-11-26 | 2021-03-16 | 李小峰 | LED flashlight capable of realizing stepless dimming |
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| CN103517498A (en) * | 2012-06-26 | 2014-01-15 | 海洋王照明科技股份有限公司 | Intelligent temperature-controlled light-modulation control circuit of LED electric torch |
| CN103672520A (en) * | 2013-12-18 | 2014-03-26 | 宁波市柯玛士太阳能科技有限公司 | LED induction lamp |
| CN103687243A (en) * | 2013-12-18 | 2014-03-26 | 宁波市柯玛士太阳能科技有限公司 | LED flashlight |
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2014
- 2014-11-24 CN CN201410679631.0A patent/CN104470092B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517498A (en) * | 2012-06-26 | 2014-01-15 | 海洋王照明科技股份有限公司 | Intelligent temperature-controlled light-modulation control circuit of LED electric torch |
| CN103672520A (en) * | 2013-12-18 | 2014-03-26 | 宁波市柯玛士太阳能科技有限公司 | LED induction lamp |
| CN103687243A (en) * | 2013-12-18 | 2014-03-26 | 宁波市柯玛士太阳能科技有限公司 | LED flashlight |
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Effective date of registration: 20200402 Address after: No.2 Huandao Road, zhangcuo village, Fengmei office, Jieyang Economic Experimental Zone, Guangdong Province, 522000 Patentee after: Jieyang zhenanda Plastic Electronics Co.,Ltd. Address before: 315171, Zhejiang, Ningbo Province Hong Kong Industrial Park, Feng Chi Road Patentee before: NINGBO KOMAES SOLAR TECHNOLOGY Co.,Ltd. |
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