CN202799277U - Multifunctional flashlight - Google Patents
Multifunctional flashlight Download PDFInfo
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- CN202799277U CN202799277U CN 201220334789 CN201220334789U CN202799277U CN 202799277 U CN202799277 U CN 202799277U CN 201220334789 CN201220334789 CN 201220334789 CN 201220334789 U CN201220334789 U CN 201220334789U CN 202799277 U CN202799277 U CN 202799277U
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Abstract
The utility model provides a multifunction flashlight. The multifunctional flashlight comprises a power supply module, a switch, a current control module, a driving module and an LED module. The power supply module stores electric energy and powering the current control module and the LED module. The switch is connected with the current control module. By operating the switch, a corresponding command signal can be output. The current control module is connected with the driving module and sends out a corresponding control signal to the driving module according to the command signal. The driving module is connected with the LED module and controls the brightness and the frequency of the LED module according to the control signal, so as to control the light-emitting mode of the LED module. The LED module is composed of at least one LED. According to the utility model, the brightness and the frequency of the LED module are controlled through the current control module, thus a variety of light-emitting modes including a strong light mode, a weak light mode, a brightness cyclic self-selection mode, a flash mode and a distress mode are provided.
Description
Technical field
The utility model relates to a kind of flashlight, relates in particular to a kind of flashlight of controlling luminosity and glow frequency.
Background technology
Light-emitting diode has constantly been come into our life as a kind of efficient illumination now.The till now development of LED flashlight of appearance along with several years ago LED diode torch, the pattern of LED flashlight, kind get more and more, the flashlight made from respect to conventional light source, not only good looking appearance, the price material benefit of LED flashlight, and energy-saving and environmental protection, luminous efficiency are high, and the LED flashlight adopts DC driven, super low-power consumption (single tube 0.03-0.06 watt), the electric light power transfer is near 100%, and the equal illumination effect is more energy-conservation more than 80% than conventional light source, and long service life.
Yet often light-emitting mode is single for existing LED flashlight, generally be up to these two kinds of 100% brightness light-emitting mode, 50% brightness light-emitting modes, even only has a kind of light-emitting mode, light-emitting mode is single: in the place that only needs faint light, this class LED flashlight not only can not meet the demands, and especially power consumption; When needs sent distress signals, constantly switch flashlight not only damaged easily flashlight, and when people need to send distress signals, often is in special state, can't be by the emergency of LED flashlight.
Therefore, be badly in need of a kind of LED flashlight, this flashlight can be controlled luminosity and glow frequency, has several lighting modules.
The utility model content
The purpose of this utility model provides a kind of multifunctional electric torch, and this multifunctional electric torch can be controlled luminosity and glow frequency, has several lighting modules.
To achieve these goals, the utility model provides a kind of multifunctional electric torch, this multifunctional electric torch comprises power module, switch, current control module, driver module and led module, power module storing electrical energy and to the power supply of described current control module and led module; Switch links to each other with described current control module, operates the exportable corresponding command signal of described switch; Current control module links to each other with described driver module, according to described command signal described driver module is sent corresponding control signal; Driver module links to each other with described led module, and the described control signal of foundation is controlled luminosity and the frequency of described led module, thereby control the light-emitting mode of described led module, described light-emitting mode comprises at least three kinds of light-emitting modes in high light pattern, low light level pattern, brightness circulation pattern, flicker pattern, the help-asking mode; Led module is comprised of at least one LED.
Compared with prior art, the utlity model has described led module according to the luminous current control module of several lighting modules, so that described multifunctional electric torch diverse in function, can control LED with different brightness, frequency or luminous with the pattern of different rules according to the different operating of regular tap, especially can be by the program of described current control module be set, not only can control the light that described multifunctional electric torch sends lasting light, the light that constantly glimmers, brightness circulation, and so that described light-emitting mode has help-asking mode.
Preferably, described driver module comprises constant current driving unit and current detecting unit, described constant current driving unit one end links to each other with described current control module, the other end links to each other with described led module, described current detecting unit detects the electric current of described led module negative pole and corresponding current feedback signal is delivered to described constant current driving unit, described constant current driving unit is luminous with corresponding light-emitting mode according to described control signal driving LED module, controls the current stabilization of described led module according to described current feedback signal.
Particularly, described constant-current driven module comprises constant-flow driver, resistance R 1, resistance R 2, resistance R 3, switching tube Q1 and switching tube Q2, the pin 3 of described constant-flow driver connects the control signal output of described current control module by resistance R 2, pin 4 connects the gate pole of described switching tube Q1 by resistance R 3, the source electrode of switching tube Q1 connects the negative pole of described led module, the gate pole of described switching tube Q2 connects described current control module by resistance R 1, source electrode connects the drain electrode of described switching tube Q1, grounded drain, described current control module are controlled luminosity and the frequency of described led module by described switching tube Q2; Described current detecting unit detects the pin 1 that led module connects described constant-flow driver, and described constant-flow driver compares the signal of pin 1 and pin 3 inputs and passes through the current stabilization of pin 4 control led modules.
More specifically, described current detecting unit comprises resistance R 4, resistance R 5 and resistance R 6, described resistance R 4 is serially connected between the drain electrode and ground of described switching tube Q1, is serially connected in after described resistance R 5 and resistance R 6 parallel connections between the source electrode of the drain electrode of described switching tube Q1 and switching tube Q2.
Preferably, described current control module comprises current controller.
Preferably, described power module comprises electricity accumulating unit and soft start unit, described soft start unit comprises diode D1 and soft start capacitor C1, be serially connected between described electricity accumulating unit output and the ground after described diode D1 and the soft start capacitor C1 series connection, and at the tie point place of described diode D1 and soft start capacitor C1 formation voltage output end, the described current control module of this Voltage-output termination is to power to described current control module.
Preferably, also be serially connected with filter capacitor C2 between the output of described power module and the ground.
Preferably, described switch is push switch, and is simple to operate, and cost is low.
Preferably, described light-emitting mode comprises 100% brightness light-emitting mode, 30% brightness light-emitting mode, 100% to 15% brightness circulation ideoelectotype.
Preferably, described light-emitting mode comprises 100% brightness light-emitting mode, 10% brightness light-emitting mode, 100% to 5% brightness circulation ideoelectotype, flashing pattern and help-asking mode.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Description of drawings
Fig. 1 is the structured flowchart of multifunctional electric torch described in the utility model.
Fig. 2 is another structured flowchart of multifunctional electric torch described in the utility model.
Fig. 3 is the circuit theory diagrams of multifunctional electric torch described in the utility model.
Embodiment
With reference to figure 1, the utility model discloses a kind of multifunctional electric torch 100, this multifunctional electric torch 100 comprises power module 11, switch 12, current control module 13, driver module 14 and led module 15, power module 11 storing electrical energies and to 15 power supplies of described current control module 13 and led module; Switch 12 links to each other with described current control module 13, operates described switch 12 exportable corresponding command signals; Current control module 13 links to each other with described driver module 14, according to the command signal of described switch 12 inputs described driver module 14 is sent corresponding control signal; Driver module 14 links to each other with described led module 15, and the described control signal of foundation is controlled luminosity and the frequency of described led module 15, thereby control the light-emitting mode of described led module 15, described light-emitting mode comprises at least three kinds of light-emitting modes in high light pattern, low light level pattern, brightness circulation pattern, flicker pattern, the help-asking mode; Led module 15 is comprised of at least one LED.Wherein, described current control module 13 comprises current controller U1.
The preferably, with reference to figure 2, described driver module 14 comprises constant current driving unit 22 and current detecting unit 21, described constant current driving unit 22 1 ends link to each other with described current control module 13, the other end links to each other with described led module 15, described current detecting unit 21 detects the electric current of described led module 15 negative poles and corresponding current feedback signal is delivered to described constant current driving unit 22, described constant current driving unit 22 is luminous with corresponding light-emitting mode according to described control signal driving LED module 15, controls the current stabilization of described led module 15 according to described current feedback signal.
With reference to figure 3, described constant current driving unit 22 comprises constant-flow driver U2, resistance R 1, resistance R 2, resistance R 3, switching tube Q1 and switching tube Q2, the pin 3 of described constant-flow driver connects the control signal output of described current control module 13 by resistance R 2, pin 4 connects the gate pole of described switching tube Q1 by resistance R 3, the source electrode of switching tube Q1 connects the negative pole of described led module, the gate pole of described switching tube Q2 connects described current control module 13 by resistance R 1, source electrode connects the drain electrode of described switching tube Q1, grounded drain, described current control module 13 are controlled luminosity and the frequency of described led module by described switching tube Q2; Described current detecting unit 21 detects the electric current of led modules 15 negative poles and corresponding current feedback signal is delivered to the pin 1 of described constant-flow driver U2, and described constant-flow driver U2 is the signal of pin 1 and pin 3 inputs and the current stabilization by pin 4 and switching tube Q1 control led module 15 relatively.
Particularly, continuation is with reference to figure 3, described current detecting unit 21 comprises resistance R 4, resistance R 5 and resistance R 6, and described resistance R 4 is serially connected between the drain electrode and ground of described switching tube Q1, is serially connected in after described resistance R 5 and resistance R 6 parallel connections between the source electrode of the drain electrode of described switching tube Q1 and switching tube Q2.
The preferably, with reference to figure 3, described power module 11 comprises electricity accumulating unit and soft start unit 31, described soft start unit 31 comprises diode D1 and soft start capacitor C1, be serially connected between described electricity accumulating unit output VDD and the ground after described diode D1 and the soft start capacitor C1 series connection, and between described diode D1 and soft start capacitor C1, forming voltage output end A, this voltage output end A connects described current control module 12 so that described current control module 12 is powered.Particularly, with reference to figure 3, also be serially connected with filter capacitor C2 between the output VDD of described electricity accumulating unit and the ground.
The preferably, with reference to figure 3, described switch 12 is push switch K1, simple to operate, cost is low.
The preferably, in an embodiment of the present utility model, described light-emitting mode comprises 100% brightness light-emitting mode, 30% brightness light-emitting mode, 100% to 15% brightness circulation ideoelectotype, with reference to figure 3, describe the control method of the above-mentioned light-emitting mode of the utility model in detail: when (1) described multifunctional electric torch 100 is in closed condition, press described push switch K1, switching tube Q2 continues to connect, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will send the light of 100% brightness this moment, be that described multifunctional electric torch 100 is in 100% brightness light-emitting mode, again press push switch K1, switching tube Q1, Q2 disconnects, led module 15 is closed, and namely described multifunctional electric torch is closed; When (2) described multifunctional electric torch 100 is in 100% brightness light-emitting mode, pinned switch 2 seconds, current control module 13 is sent the pulse signal that frequency reduces gradually by resistance R 1, control described switching tube Q2 break-make frequency, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will slowly reduce luminosity, make from 100% to 15% circulation of its luminosity, when trip switch, brightness when the torch brightness preservation unclamps, be that described multifunctional electric torch 100 is in 100% to 15% brightness circulation ideoelectotype, again press push switch K1, switching tube Q1, Q2 disconnects, led module 15 is closed, and namely described multifunctional electric torch is closed; When (3) described multifunctional electric torch 100 is in closed condition, pin described push switch K1 and continue 2 seconds, described switching tube Q1 disconnects, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will send the light of 30% brightness this moment, and namely described multifunctional electric torch 100 is in 30% brightness light-emitting mode.
The preferably, in another embodiment of the present utility model, described light-emitting mode comprises 100% brightness light-emitting mode, 10% brightness light-emitting mode, 100% to 5% brightness circulation ideoelectotype, flashing pattern and help-asking mode, with reference to figure 3, describe the control method of the above-mentioned light-emitting mode of the utility model in detail: when (1) described multifunctional electric torch 100 is in closed condition, press described push switch K1, switching tube Q2 continues to connect, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will send the light of 100% brightness this moment, be that described multifunctional electric torch 100 is in 100% brightness light-emitting mode, again press push switch K1, switching tube Q1, Q2 disconnects, led module 15 is closed, and namely described multifunctional electric torch is closed; (2) when described multifunctional electric torch 100 is in open mode, pin the described K switch 1 of pressing and continue 2 seconds, pinned switch 2 seconds, described switching tube Q1 disconnects, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will send the light of 10% brightness this moment, and namely described multifunctional electric torch 100 is in 10% brightness light-emitting mode; (3) when described multifunctional electric torch 100 is in 10% brightness light-emitting mode, pin described push switch K2 and continue 2 seconds, current control module 13 is sent the pulse signal that frequency reduces gradually by resistance R 1, control described switching tube Q2 break-make frequency, switching tube Q1 adjusts the electric current of led module 15 by the signal of resistance R 2 inputs according to current control module 13, guarantee led module 15 stable luminescences, described led module 15 will slowly reduce luminosity, make from 100% to 5% circulation of its luminosity, when trip switch, brightness when the torch brightness preservation unclamps,, namely described multifunctional electric torch 100 is in 100% to 5% brightness circulation ideoelectotype, again press push switch K1, switching tube Q1, Q2 disconnects, and led module 15 is closed, and namely described multifunctional electric torch is closed; When (4) described multifunctional electric torch 100 is in closed condition, pin described push switch K2 and continue 2 seconds, current control module 13 is opened, is closed with the described pipe Q1 circulation of opening the light of certain frequency control by constant-flow driver U2, described led module 15 is luminous with certain frequency, and described multifunctional electric torch 100 is in the flashing pattern; (5) when described multifunctional electric torch 100 is in the flashing pattern, pin described push switch K2 and continue 2 seconds, current control module 13 is opened, is closed with the described pipe Q1 circulation of opening the light of FREQUENCY CONTROL corresponding to international SOS distress signal by constant-flow driver U2, described led module 15 sends the SOS signal, and described multifunctional electric torch 100 is in help-asking mode.
Above disclosed only is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. multifunctional electric torch is characterized in that: comprising:
Power module is for storing electrical energy and to aftermentioned current control module and led module power supply;
Switch links to each other with the aftermentioned current control module, operates the exportable corresponding command signal of described switch;
Current control module links to each other with the aftermentioned driver module, and according to described command signal described driver module is sent corresponding control signal;
Driver module, link to each other with the aftermentioned led module, and the described control signal of foundation is controlled luminosity and the frequency of described led module, thereby control the light-emitting mode of described led module, described light-emitting mode comprises at least three kinds of light-emitting modes in high light pattern, low light level pattern, brightness circulation ideoelectotype, flicker pattern, the help-asking mode;
Led module is comprised of at least one LED.
2. multifunctional electric torch as claimed in claim 1, it is characterized in that: described driver module comprises constant current driving unit and current detecting unit, described constant current driving unit one end links to each other with described current control module, the other end links to each other with described led module, described current detecting unit detects the electric current of described led module negative pole and corresponding current feedback signal is delivered to described constant current driving unit, described constant current driving unit is luminous with corresponding light-emitting mode according to described control signal driving LED module, controls the current stabilization of described led module according to described current feedback signal.
3. multifunctional electric torch as claimed in claim 2, it is characterized in that: described constant-current driven module comprises constant-flow driver, resistance R 1, resistance R 2, resistance R 3, switching tube Q1 and switching tube Q2, the pin 3 of described constant-flow driver connects the control signal output of described current control module by resistance R 2, pin 4 connects the gate pole of described switching tube Q1 by resistance R 3, the source electrode of switching tube Q1 connects the negative pole of described led module, the gate pole of described switching tube Q2 connects described current control module by resistance R 1, source electrode connects the drain electrode of described switching tube Q1, grounded drain, described current control module are controlled luminosity and the frequency of described led module by described switching tube Q2; Described current detecting unit detects the pin 1 that led module connects described constant-flow driver, and described constant-flow driver compares the signal of pin 1 and pin 3 inputs and passes through the current stabilization of pin 4 control led modules.
4. multifunctional electric torch as claimed in claim 3, it is characterized in that: described current detecting unit comprises resistance R 4, resistance R 5 and resistance R 6, described resistance R 4 is serially connected between the drain electrode and ground of described switching tube Q1, is serially connected in after described resistance R 5 and resistance R 6 parallel connections between the source electrode of the drain electrode of described switching tube Q1 and switching tube Q2.
5. multifunctional electric torch as claimed in claim 1, it is characterized in that: described current control module comprises current controller.
6. multifunctional electric torch as claimed in claim 1, it is characterized in that: described power module comprises electricity accumulating unit and soft start unit, described soft start unit comprises diode D1 and soft start capacitor C1, be serially connected between described electricity accumulating unit output and the ground after described diode D1 and the soft start capacitor C1 series connection, and at the tie point place of described diode D1 and soft start capacitor C1 formation voltage output end, the described current control module of this Voltage-output termination is to power to described current control module.
7. multifunctional electric torch as claimed in claim 1 is characterized in that: also be serially connected with filter capacitor C2 between the output of described power module and the ground.
8. multifunctional electric torch as claimed in claim 1, it is characterized in that: described switch is push switch.
9. multifunctional electric torch as claimed in claim 1, it is characterized in that: described light-emitting mode comprises 100% brightness light-emitting mode, 30% brightness light-emitting mode, 100% to 15% brightness circulation ideoelectotype.
10. multifunctional electric torch as claimed in claim 1, it is characterized in that: described light-emitting mode comprises 100% brightness light-emitting mode, 10% brightness light-emitting mode, 100% to 5% brightness circulation ideoelectotype, flashing pattern and help-asking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334789 CN202799277U (en) | 2012-07-11 | 2012-07-11 | Multifunctional flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220334789 CN202799277U (en) | 2012-07-11 | 2012-07-11 | Multifunctional flashlight |
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| Publication Number | Publication Date |
|---|---|
| CN202799277U true CN202799277U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220334789 Expired - Fee Related CN202799277U (en) | 2012-07-11 | 2012-07-11 | Multifunctional flashlight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112469169A (en) * | 2020-10-26 | 2021-03-09 | 宁波众心电子科技有限公司 | Flashlight control method and device, storage medium and flashlight |
-
2012
- 2012-07-11 CN CN 201220334789 patent/CN202799277U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103687243B (en) * | 2013-12-18 | 2016-10-05 | 宁波市柯玛士电器实业有限公司 | A kind of LED flashlight |
| CN112469169A (en) * | 2020-10-26 | 2021-03-09 | 宁波众心电子科技有限公司 | Flashlight control method and device, storage medium and flashlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160711 |