CN103672429A - Flashlight circuit and flashlight - Google Patents
Flashlight circuit and flashlight Download PDFInfo
- Publication number
- CN103672429A CN103672429A CN201210363760.XA CN201210363760A CN103672429A CN 103672429 A CN103672429 A CN 103672429A CN 201210363760 A CN201210363760 A CN 201210363760A CN 103672429 A CN103672429 A CN 103672429A
- Authority
- CN
- China
- Prior art keywords
- switch
- photosensitive
- power supply
- control
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a flashlight circuit. The flashlight circuit comprises a power supply, a light emitting assembly, a switch and a photosensitive control circuit, wherein the switch is used for controlling the light emitting assembly to emit light or not to emit light. The photosensitive control circuit comprises a photosensitive switch and a light emitting element, the input end of the photosensitive switch is connected with the positive electrode of the power supply, the output end of the photosensitive switch is connected with one end of the light emitting element, the other end of the light emitting element is connected to the ground, the photosensitive switch is turned off when the illumination intensity is higher than a threshold value, and the photosensitive switch is turned on when the illumination intensity is lower than the threshold value. The invention further relates to a flashlight. When the flashlight is placed in the environment that the background light intensity is high, in the daytime, for example, the photosensitive switch is turned off under high light, and the light emitting element does not emit light; when the background light intensity becomes weaker, at night, for example, the illumination intensity meets the turned-on condition of the photosensitive switch, the light emitting element is powered on and emits light, and therefore the flashlight is convenient to find in the dark environment.
Description
Technical field
The present invention relates to a kind of illuminations, particularly relate to a kind of electric torch circuit, also relate to a kind of flashlight.
Background technology
Flashlight is as a kind of conventional illuminations, a typical flashlight has one via battery powered bulb and focusing mirror, and have for hand-held handle type shell, flashlight quite simply designs because of it, easy to use and carry, become one of requisite Mobile illumination equipment in people's daily life.
Traditional flashlight comprises lamp holder, lamp cylinder, tail-hood, battery, bulb and switch, and the lamp holder that inside is provided with focusing mirror is connected to the front end of lamp cylinder and covers bulb outside for the protection of bulb and optically focused.Battery is arranged in lamp cylinder for to bulb powered, and tail-hood is connected to lamp tube rear end and is used for fixing battery, is also provided with charging plug and charges the battery on tail-hood.Switch is arranged on lamp cylinder, and connection bulb and battery are for controlling switching on and off of bulb and battery.
Yet this traditional flashlight in being placed on dark environment time, is not easy to find very much.
Summary of the invention
Based on this, be necessary to provide a kind of flashlight and circuit thereof of searching out be also convenient in dark surrounds.
A kind of electric torch circuit, comprise power supply, luminescence component and for controlling the switch that described luminescence component is luminous or extinguish, also comprise photosensitive circuit for regulating and controlling, described photosensitive circuit for regulating and controlling comprises photosensitive switch and light-emitting component, the input of described photosensitive switch connects positive source, and output is connected with described light-emitting component one end, the other end ground connection of described light-emitting component, described photosensitive switch turn-offs during higher than threshold value in intensity of illumination, in intensity of illumination conducting during lower than described threshold value.
Therein in an embodiment, described photosensitive switch comprises the first switching tube, the first divider resistance and photo resistance, the input of described the first switching tube is the input of described photosensitive switch, the output of described the first switching tube is the output of described photosensitive switch, described photo resistance is connected between the input and control end of described the first switching tube, and the control end of described the first switching tube is by described the first divider resistance ground connection.
In an embodiment, described photosensitive circuit for regulating and controlling comprises current-limiting resistance therein, and described current-limiting resistance series connection is arranged on the negative pole of described light-emitting component.
Therein in an embodiment, described electric torch circuit comprises control circuit and second switch pipe, described switch is touch-switch, the input of described control circuit is connected with described power supply, for gathering the magnitude of voltage of described power supply, the control end of described control circuit is connected with described touch-switch, for gathering the closed number of times of described touch-switch, the output of described control circuit is connected with the control end of described second switch pipe, described control circuit is controlled conducting and the cut-off of described second switch pipe by the output output control signal of control circuit according to described closed number of times, described control signal is PWM(pulse width modulation at the magnitude of voltage of described power supply during lower than setting threshold) signal.The input of described second switch pipe is connected with described luminescence component, output head grounding.
Therein in an embodiment, described control circuit comprises the second divider resistance, the 3rd divider resistance, pull-up resistor and control chip, described the second divider resistance is connected with described the 3rd divider resistance, the input port of described control chip is the input of described control circuit and is connected with the common port of the 3rd divider resistance with described the second divider resistance, the other end of described the second divider resistance is connected with the positive pole of described power supply, the other end ground connection of described the 3rd divider resistance; Described pull-up resistor is connected and is connected with described power supply with described touch-switch, and the control end that the control port of described control chip is described control circuit is also connected the other end ground connection of described touch-switch with the common port of described pull-up resistor and touch-switch; The grounding ports ground connection of described control chip, the output that the output port of described control chip is described control circuit, the power port of described control chip is connected with the positive pole of described power supply.
Therein in an embodiment, described electric torch circuit comprises the constant current chip that is used to described luminescence component that constant current is provided, the power port of described constant current chip is connected with the positive pole of power supply, the grounding ports of described constant current chip is connected with the input of described second switch pipe, and the output port of described constant current chip is connected with described luminescence component.
A kind of flashlight, comprise lamp holder, lamp cylinder and tail-hood, described lamp holder is connected in the front end of described lamp cylinder, described tail-hood is connected in described lamp tube rear end, also comprise above-mentioned any one electric torch circuit, described luminescence component is located in described lamp holder, and described photosensitive switch and described light-emitting component expose to the outer surface of described flashlight.
Therein in an embodiment, described tail-hood comprises tail-hood shell, fixed support, conductive cap and Compress Spring, described fixed support is fixed in described tail-hood shell, and described conductive cap is connected with described fixed support by described Compress Spring, the negative pole butt of described conductive cap and described power supply; Described photosensitive circuit for regulating and controlling is fixedly installed on photosensitive printed circuit board, and described photosensitive printed circuit board is fixed on described fixed support, and described photosensitive switch and described light-emitting component are visually arranged on described flashlight.
Therein in an embodiment; described lamp holder comprises lamp head shell, fixed head, snoot, protective clear layer and shift knob; described fixed head is fixedly installed in described lamp head shell; described luminescence component is fixed on luminous printed circuit board; described luminous printed circuit board is fixed on described fixed head; described snoot is fixed on described fixed head and is sheathed on the outside of described luminescence component; described protective clear layer is fixed on described lamp head shell front end; described shift knob protrudes from the outer surface of described lamp holder, for controlling the disconnection and closure of described switch.
Therein in an embodiment, described luminescence component comprises main light source and warning light source, described switch comprises main switch and alarm switch, described shift knob comprises main button and warning button, described main button is controlled the turn-on and turn-off of described main light source by described main switch, described warning button is controlled the turn-on and turn-off of described warning light source by described alarm switch.
Above-mentioned flashlight, in being placed on the environment that bias light intensity is very strong, for example by day time, photosensitive switch turn-offs under high light, and light-emitting component is not luminous.When bias light weakened is as after evening, intensity of illumination meets the turn-on condition of photosensitive switch, and now light-emitting component obtains electroluminescence, convenient searching in dark environment.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of flashlight in an embodiment;
Fig. 2 is the circuit theory diagrams of flashlight in an embodiment;
Fig. 3 is the structural representation of flashlight in an embodiment;
Fig. 4 is along the generalized section of A-A line in Fig. 3;
Fig. 5 is flashlight outside drawing in another embodiment;
Fig. 6 is the structural representation of electric-torch burner in an embodiment;
Fig. 7 is the structural representation of tail cover of flashlight in an embodiment;
Fig. 8 is the partial sectional view of tail cover of flashlight in an embodiment.
The specific embodiment
An electric torch circuit, as shown in Figure 1, comprises power supply BT, luminescence component, interrupteur SW and photosensitive circuit for regulating and controlling 110.Photosensitive circuit for regulating and controlling 110 comprises photosensitive switch 112 and light-emitting component, luminescence component and light-emitting component all adopt light emitting diode in the present embodiment, also can adopt other luminescent devices such as bulb in other embodiments, luminescence component is LED 1, and light-emitting component is LED 2.It is luminous or extinguish that interrupteur SW is used for controlling LED 1, the input of photosensitive switch 112 connects the positive pole of power supply BT, output is connected with the positive pole of LED 2, the minus earth of LED 2, photosensitive switch 112 turn-offs during higher than threshold value in intensity of illumination, in intensity of illumination conducting during lower than threshold value.
Above-mentioned electric torch circuit, in being placed on the environment that bias light intensity is very strong, for example by day time, photosensitive switch 112 turn-offs under high light, and LED 2 is not luminous.When bias light weakened is as after evening, intensity of illumination meets the turn-on condition of photosensitive switch 112, and now LED 2 obtains electroluminescence.
Wherein, as shown in Figure 2, photosensitive switch 112 comprises the first switching tube, the first divider resistance R3 and photo resistance R4, in the present embodiment, the first switching tube adopts P channel MOS tube Q2, the source electrode of P channel MOS tube Q2 is the input of photosensitive switch 112, drain electrode is the output of photosensitive switch 112, and photo resistance R4 is connected between the source electrode and grid of P channel MOS tube Q2, and the grid of P channel MOS tube Q2 is by the first divider resistance R3 ground connection.When bias light intensity is very strong, photosensitive resistance R 4 resistances are very little, and P channel MOS tube Q2 is in cut-off state, and LED 2 is not luminous; When bias light remitted its fury, photo resistance R4 resistance increases, the current potential of P channel MOS tube Q2 grid reduces gradually, when the resistance of photo resistance R4 increases to a certain degree, the gate source voltage Vgs of P channel MOS tube Q2 reaches turn-on condition, P channel MOS tube Q2 conducting, LED 2 obtains electroluminescence.
Available positive-negative-positive triode replaces P channel MOS tube Q2 in other embodiments, P channel MOS tube Q2 and photo resistance R4 can also be replaced with phototriode.
In an embodiment, photosensitive circuit for regulating and controlling 110 also comprises current-limiting resistance R5 therein, and current-limiting resistance R5 series connection is arranged on the negative pole of LED 2.Due to current limiting resistance R 5, the electric current that flows through LED 2 can be controlled at less scope, makes LED 2 send weak light energy and plays suggesting effect, and battery electric quantity avoids waste.
In an embodiment, as shown in Figure 1, electric torch circuit also comprises control circuit 120 and second switch pipe 130 therein, and interrupteur SW adopts touch-switch.
The input of control circuit 120 is connected with power supply BT, for gathering the magnitude of voltage of power supply BT, the control end of control circuit 120 is connected with touch-switch SW, for gathering the closed number of times of touch-switch SW, the output of control circuit 120 is connected with the control end of second switch pipe 130, control circuit 120 is controlled conducting and the cut-off of second switch pipe 130 by the output output control signal of control circuit 120 according to the closed number of times of touch-switch SW, and the control signal of the output of control circuit 120 output is pwm signal at the magnitude of voltage of power supply BT during lower than setting threshold.The input of second switch pipe 130 is connected with the negative pole of LED 1, output head grounding.
In an embodiment, as shown in Figure 2, control circuit 120 comprises the second divider resistance R6, the 3rd divider resistance R7, pull-up resistor R1 and control chip U1 therein.Control chip U1 can select Attiny12, Attiny13 etc., and there is the A/D converter of a 10bit control chip U1 inside.In the present embodiment, the second divider resistance R6 connects with the 3rd divider resistance R7, the input port PB3 of control chip U1 is the input of control circuit 120 and is connected with the common port of the 3rd divider resistance R7 with the second divider resistance R6, the other end of the second divider resistance R6 is connected with the positive pole of power supply BT, the other end ground connection of the 3rd divider resistance R7.Pull-up resistor R1 connects and is connected with power supply BT with touch-switch SW, and the control port PB0 of control chip U1 is the control end of control circuit 120 and is connected the other end ground connection of touch-switch SW with pull-up resistor R1 with the common port of touch-switch SW.The grounding ports GND ground connection of control chip U1, the output port PB1 of control chip U1 is the output of control circuit 120, the power port VCC of control chip U1 is connected with the positive pole of power supply BT.Second switch pipe 130 adopts NPN type triode Q1, the base stage of triode Q1 is the control end of second switch pipe 130 and is connected with the output port PB1 of control chip U1 by driving resistance R 2, the current collection of triode Q1 is the input of second switch pipe 130 very, and the transmitting of triode Q1 is the output of second switch pipe 130 very.In other embodiments can also be by N-channel MOS pipe belt for triode Q1.
When touch-switch SW disconnects, control port PB0 is connected with the positive pole of power supply BT by pull-up resistor R1, and control port PB0 presents high potential.Once touch-switch SW is closed, control port PB0 will present electronegative potential, thus touch-switch SW when closed control port PB0 have a trailing edge, control chip U1 can confirm to have closure signal input after the trailing edge of control port PB0 being detected.Control chip U1 can count on-off times inside, and when touch-switch SW is closed for the first time, output port PB1 exports high level, triode Q1 conducting, and LED 1 loop is connected, and LED 1 obtains electroluminescence.When control chip U1 detects closure signal input for the second time, output port PB1 output low level is turn-offed triode Q1, and LED 1 dead electricity is not luminous.When control chip U1 receives closure signal for the third time, again export high level, so circulation just can according to the closed number of times control LED 1 of touch-switch SW whether electric.Input port PB3 is A/D conversion input port, and control chip U1 just can obtain power supply BT magnitude of voltage indirectly by the magnitude of voltage of sampling input port PB3.If the magnitude of voltage of the power supply BT detecting is lower than setting threshold, output port PB1 will the lower pwm signal of output frequency, the continuous turn-on and turn-off of triode Q1, now LED 1 must electricly glimmer with dead electricity because of continuous, the signal prompt user that gives the alarm charging.
In another embodiment, as shown in Figure 2, electric torch circuit also comprises the constant current chip U2 that is used to LED 1 that constant current is provided, and constant current chip U2 has the different specifications such as 350mA, 300mA to select.The power port Vdd of constant current chip U2 is connected with the positive pole of power supply BT, and the grounding ports gnd of constant current chip U2 is connected with the colelctor electrode of triode Q1, and the output port out of constant current chip U2 is connected with the negative pole of LED 1.Control chip U1 can also control triode Q1 by output pwm signal, when control chip U1 output pwm signal, the dutycycle of supposing pwm signal is a, and the specified constant current value of constant current chip U2 is I, and the actual current that flows through so LED 1 is I*a.The less load current of a is also less, and LED 1 is just darker.Due to the constant-current circuit that has adopted special-purpose constant current chip U2 to replace discrete component to build, by flow through light source Current Control more accurately and stable, correspondingly the illumination of light fixture is also more stable, product uniformity in batches significantly improves.Constant current chip U2 can select AMC7150, QX7135 etc.
In addition, electric torch circuit also comprises the first filter capacitor C1 and the second filter capacitor C2, and first filter capacitor C1 one end is connected with the control port PB0 of control chip, other end ground connection.The power port of second filter capacitor C2 one end and constant current chip U2, the other end is connected with the grounding ports gnd of constant current chip U2.
The present invention also provides a kind of flashlight, as shown in Figure 3, comprises lamp holder 210, lamp cylinder 220 and tail-hood 230, and comprises above-mentioned electric torch circuit.Lamp holder 210 is connected in the front end of lamp cylinder 220, and tail-hood 230 is connected in lamp cylinder 220 rear ends, and luminescence component is located in lamp holder 210, and photosensitive switch and light-emitting component are visually arranged on described flashlight.Visual referring to herein can contact with the light from outside flashlight and be observed directly by human eye, and photosensitive switch can be irradiated by the light in the flashlight external world, and the light that light-emitting component sends can be observed by the external world.
Above-mentioned flashlight, in being placed on the environment that bias light intensity is very strong, for example by day time, photosensitive switch turn-offs under high light, and light-emitting component is not luminous.When bias light weakened is as after evening, intensity of illumination meets the turn-on condition of photosensitive switch, and now light-emitting component obtains electroluminescence, convenient searching in dark environment.
Therein in an embodiment; as shown in Figure 3 and Figure 4; lamp holder 210 comprises lamp head shell 211, fixed head 212, fin 213, snoot 214 and protective clear layer 215; fixed head 212 is fixedly installed in lamp head shell 211; luminescence component is fixed on luminous printed circuit board 310; luminous printed circuit board 310 is fixed on fixed head 212; fin 213 is arranged between luminous printed circuit board 310 and fixed head 212, is beneficial to accelerate the heat radiation of luminous printed circuit board 310 and extend its service life.The outside of luminescence component fixed and is sheathed on by snoot 214 by cross recessed pan head tapping screw 410 and luminous printed circuit board 310, snoot 214 also can be fixed by bonding other connected modes such as grade with luminous printed circuit board 310.Protective clear layer 215 is fixed at lamp head shell 211 front ends, for the protection of luminescence component.In addition in protective clear layer 215 and lamp head shell 211 contact positions, can also be provided for, the sealing ring 216 of waterproof.On lamp head shell 211, be also provided with shift knob 217, for controlling the closure of touch-switch 218, shift knob 217 also can be arranged on other positions of flashlight.
In another embodiment, as shown in Figure 5 and Figure 6, shift knob 217 comprises main button 2172 and warning button 2174, luminescence component comprises main light source 312 and warning light source 314, touch-switch comprises main switch and alarm switch, main button 2172 is controlled the turn-on and turn-off of main light source 312 by main switch, warning button 2174 is controlled the turn-on and turn-off of warning light source 314 by alarm switch.Main light source 312 is light emitting diode in the present embodiment, and warning light source 314 comprises the light emitting diode of three kinds of colors of red, yellow, and green, and warning light source 314 is centered around around main light source 312 in the form of a ring.Can control respectively with the warning button 2174 of three kinds of colors of red, yellow, and green the warning light source 314 of same color, also can be only with an all warning light source 314 of warning button control.Only needing under normal circumstances conducting main light source 312 just can do illumination uses, when running into the situations such as breaking out of fire at night or foggy weather be lost, just can open warning light source 314 and send an SOS, and warning light source 314 is stronger than the penetration power of main light source 312, be also beneficial to illumination escape.
Therein in an embodiment, as shown in Figure 4, lamp cylinder comprises barrel shell 221, support 222 and pressing plate 223, support 222 and fixed head 212 engagement connections, pressing plate 223 use cross recessed pan head tapping screws 420 are fixed on support 222 and pressing plate 223 forms one for placing the cavity of power supply 224 with barrel shell 221, tail-hood, on pressing plate 223, be provided with conducting strip 225, conducting strip 225 and the anodal butt of power supply 224.In cavity, be also provided with the pressure pad 226 for fixing and protection power source 224.
The tail-hood of flashlight comprises tail-hood shell 231, fixed support 232, Compress Spring 233 and conductive cap 234, fixed support 232 is fixed in tail-hood shell 231, conductive cap 234 is connected with fixed support 232 by Compress Spring 233, conductive cap 234 and power supply 224 negative pole butts.At tail-hood shell 231, in barrel shell 221 contact positions, be also provided with the annular seal ring 235 for waterproof.
Photosensitive circuit for regulating and controlling is fixedly installed on photosensitive printed circuit board 320, in the present embodiment, photosensitive printed circuit board 320 is arranged on tail-hood, as shown in Figure 7 and Figure 8, photosensitive printed circuit board 320 is fixed on fixed support 232, on tail-hood shell 231, be provided with light sensation hole 3220 and lightening hole 3240, be respectively used to place photo resistance 322 and light-emitting component 324, light-emitting component 324 can adopt light emitting diode, and photosensitive printed circuit board 320 also can be arranged on other positions of flashlight.As shown in Figure 4, between light-emitting component 324 and tail-hood shell 231, be also provided with rubber ring 236, rubber ring 236 is for fixing and protection light-emitting component 324, and can also play the effect of waterproof.
In an embodiment, as shown in Figure 4, power supply 224 is rechargeable battery therein, is provided with charging electroplax 237 and charging socket 238 in tail-hood, and charging socket 238 is connected with charging electroplax 237, and charging socket 238 is positioned at charging hole 2380.When needs are given power supply 224 charging, as long as charging socket 238Yu city is just electrically connected to and can be charged to power supply 224.
In addition, on tail-hood shell 231, be also provided with tail cap switch button 239, for folding tail-hood.
In flashlight, be also provided with in certain embodiments control circuit, as shown in Figure 4, control circuit is fixedly installed on to be controlled on printed circuit board 330, controls printed circuit board 330 and is fixed between fixed head 212 and support 222.Control in other embodiments other positions that printed circuit board 330 also can be arranged on flashlight, control circuit can also be fixed on same printed circuit board with light fixture.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an electric torch circuit, comprise power supply, luminescence component and for controlling the switch that described luminescence component is luminous or extinguish, it is characterized in that, also comprise photosensitive circuit for regulating and controlling, described photosensitive circuit for regulating and controlling comprises photosensitive switch and light-emitting component, the input of described photosensitive switch connects the positive pole of described power supply, output is connected with described light-emitting component one end, the other end ground connection of described light-emitting component, described photosensitive switch turn-offs during higher than threshold value in intensity of illumination, in intensity of illumination conducting during lower than described threshold value.
2. electric torch circuit according to claim 1, it is characterized in that, described photosensitive switch comprises the first switching tube, the first divider resistance and photo resistance, the input of described the first switching tube is the input of described photosensitive switch, the output of described the first switching tube is the output of described photosensitive switch, described photo resistance is connected between the input and control end of described the first switching tube, and the control end of described the first switching tube is by described the first divider resistance ground connection.
3. electric torch circuit according to claim 1, is characterized in that, described photosensitive circuit for regulating and controlling comprises current-limiting resistance, and described current-limiting resistance series connection is arranged on the negative pole of described light-emitting component.
4. electric torch circuit according to claim 1, is characterized in that, described electric torch circuit comprises control circuit and second switch pipe, and described switch is touch-switch,
The input of described control circuit is connected with described power supply, for gathering the magnitude of voltage of described power supply, the control end of described control circuit is connected with described touch-switch, for gathering the closed number of times of described touch-switch, the output of described control circuit is connected with the control end of described second switch pipe, described control circuit is controlled conducting and the cut-off of described second switch pipe by the output output control signal of control circuit according to described closed number of times, described control signal is pulse width modulating signal at the magnitude of voltage of described power supply during lower than setting threshold;
The input of described second switch pipe is connected with described luminescence component, output head grounding.
5. electric torch circuit according to claim 4, it is characterized in that, described control circuit comprises the second divider resistance, the 3rd divider resistance, pull-up resistor and control chip, described the second divider resistance is connected with described the 3rd divider resistance, the input port of described control chip is the input of described control circuit and is connected with the common port of the 3rd divider resistance with described the second divider resistance, the other end of described the second divider resistance is connected with the positive pole of described power supply, the other end ground connection of described the 3rd divider resistance; Described pull-up resistor is connected and is connected with described power supply with described touch-switch, and the control end that the control port of described control chip is described control circuit is also connected the other end ground connection of described touch-switch with the common port of described pull-up resistor and touch-switch; The grounding ports ground connection of described control chip, the output that the output port of described control chip is described control circuit, the power port of described control chip is connected with the positive pole of described power supply.
6. electric torch circuit according to claim 5, it is characterized in that, described electric torch circuit comprises the constant current chip that is used to described luminescence component that constant current is provided, the power port of described constant current chip is connected with the positive pole of power supply, the grounding ports of described constant current chip is connected with the input of described second switch pipe, and the output port of described constant current chip is connected with described luminescence component.
7. a flashlight, comprise lamp holder, lamp cylinder and tail-hood, described lamp holder is connected in the front end of described lamp cylinder, described tail-hood is connected in described lamp tube rear end, it is characterized in that, also comprise the electric torch circuit described in claim 1 to 6 any one, described luminescence component is located in described lamp holder, and described photosensitive switch and described light-emitting component are visually arranged on described flashlight.
8. flashlight according to claim 7, it is characterized in that, described tail-hood comprises tail-hood shell, fixed support, conductive cap and Compress Spring, described fixed support is fixed in described tail-hood shell, described conductive cap is connected with described fixed support by described Compress Spring, the negative pole butt of described conductive cap and described power supply; Described photosensitive circuit for regulating and controlling is fixedly installed on photosensitive printed circuit board, and described photosensitive printed circuit board is fixed on described fixed support, and described photosensitive switch and described light-emitting component expose to the outer surface of described tail-hood shell.
9. flashlight according to claim 7, it is characterized in that, described lamp holder comprises lamp head shell, fixed head, snoot, protective clear layer and shift knob, described fixed head is fixedly installed in described lamp head shell, described luminescence component is fixed on luminous printed circuit board, described luminous printed circuit board is fixed on described fixed head, described snoot is fixed on described fixed head and is sheathed on the outside of described luminescence component, described protective clear layer is fixed on described lamp head shell front end, described shift knob protrudes from the outer surface of described lamp holder, for controlling the disconnection and closure of described switch.
10. flashlight according to claim 9, it is characterized in that, described luminescence component comprises main light source and warning light source, described switch comprises main switch and alarm switch, described shift knob comprises main button and warning button, described main button is controlled the turn-on and turn-off of described main light source by described main switch, described warning button is controlled the turn-on and turn-off of described warning light source by described alarm switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363760.XA CN103672429A (en) | 2012-09-26 | 2012-09-26 | Flashlight circuit and flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363760.XA CN103672429A (en) | 2012-09-26 | 2012-09-26 | Flashlight circuit and flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672429A true CN103672429A (en) | 2014-03-26 |
Family
ID=50310813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210363760.XA Pending CN103672429A (en) | 2012-09-26 | 2012-09-26 | Flashlight circuit and flashlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672429A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919392A (en) * | 2016-07-08 | 2016-09-07 | 郑州市儿童福利院 | Eyeglass frame with induction lamp |
| CN110650418A (en) * | 2019-10-24 | 2020-01-03 | 朝阳聚声泰（信丰）科技有限公司 | Photosensitive intelligent MEMS microphone |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208378U (en) * | 1987-05-19 | 1988-06-08 | 余喧声 | Multi-functional flashlight |
| CN2265157Y (en) * | 1996-01-30 | 1997-10-22 | 王文战 | Chromatometer used before cataract operation |
| CN2606408Y (en) * | 2003-02-28 | 2004-03-10 | 兖矿集团有限公司 | Mineral light for infrared code attendance |
| CN2669201Y (en) * | 2003-12-19 | 2005-01-05 | 魏月艳 | Emergency electric torch for airplane cabin |
| US20050077837A1 (en) * | 2003-01-16 | 2005-04-14 | Surefire, Llc | Brightness controllable flashlights |
| CN2835783Y (en) * | 2005-06-06 | 2006-11-08 | 杨宗儒 | Multifunctional solar lighting device |
| CN201160332Y (en) * | 2008-03-09 | 2008-12-03 | 仇成群 | Light-operated lamp switch controller of electric vehicle |
| CN201251138Y (en) * | 2008-07-22 | 2009-06-03 | 刘志平 | Universal LED energy-saving lamp |
| CN101832476A (en) * | 2010-04-06 | 2010-09-15 | 海洋王照明科技股份有限公司 | Multifunctional electric torch |
| CN101888724A (en) * | 2009-05-14 | 2010-11-17 | 海洋王照明科技股份有限公司 | Function control circuit of LED lamps and setting method thereof |
| CN202252884U (en) * | 2011-08-12 | 2012-05-30 | 东莞金唐五金电器制造有限公司 | Automatic dimming flashlight |
-
2012
- 2012-09-26 CN CN201210363760.XA patent/CN103672429A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208378U (en) * | 1987-05-19 | 1988-06-08 | 余喧声 | Multi-functional flashlight |
| CN2265157Y (en) * | 1996-01-30 | 1997-10-22 | 王文战 | Chromatometer used before cataract operation |
| US20050077837A1 (en) * | 2003-01-16 | 2005-04-14 | Surefire, Llc | Brightness controllable flashlights |
| CN2606408Y (en) * | 2003-02-28 | 2004-03-10 | 兖矿集团有限公司 | Mineral light for infrared code attendance |
| CN2669201Y (en) * | 2003-12-19 | 2005-01-05 | 魏月艳 | Emergency electric torch for airplane cabin |
| CN2835783Y (en) * | 2005-06-06 | 2006-11-08 | 杨宗儒 | Multifunctional solar lighting device |
| CN201160332Y (en) * | 2008-03-09 | 2008-12-03 | 仇成群 | Light-operated lamp switch controller of electric vehicle |
| CN201251138Y (en) * | 2008-07-22 | 2009-06-03 | 刘志平 | Universal LED energy-saving lamp |
| CN101888724A (en) * | 2009-05-14 | 2010-11-17 | 海洋王照明科技股份有限公司 | Function control circuit of LED lamps and setting method thereof |
| CN101832476A (en) * | 2010-04-06 | 2010-09-15 | 海洋王照明科技股份有限公司 | Multifunctional electric torch |
| CN202252884U (en) * | 2011-08-12 | 2012-05-30 | 东莞金唐五金电器制造有限公司 | Automatic dimming flashlight |
Non-Patent Citations (1)
| Title |
|---|
| 电子工程师手册编辑委员会: "《电子工程师手册·下册》", 30 April 1995 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919392A (en) * | 2016-07-08 | 2016-09-07 | 郑州市儿童福利院 | Eyeglass frame with induction lamp |
| CN110650418A (en) * | 2019-10-24 | 2020-01-03 | 朝阳聚声泰（信丰）科技有限公司 | Photosensitive intelligent MEMS microphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7410271B1 (en) | Flashlight with automatic light intensity adjustment means | |
| US7649323B1 (en) | Rechargeable light-emitting diode driver circuit | |
| CN201836655U (en) | Intelligent flashlight | |
| CN103428962A (en) | LED dimmer and LED dimming device | |
| CN202769518U (en) | Solar light-emitting diode (LED) lamp | |
| CN203301806U (en) | Automatic dimming signal lamp | |
| CN103152901B (en) | Light emitting diode lamp | |
| CN103672429A (en) | Flashlight circuit and flashlight | |
| CN102242888A (en) | Light-emitting device and method for adjusting light intensity of light-emitting device | |
| CN204069439U (en) | Self-inspection LED acousto-optic control lamp | |
| KR101054495B1 (en) | Road Solar LED Indicator | |
| CN213694216U (en) | Intelligent human body induction charging glare-free LED lamp | |
| CN201652133U (en) | Infrared sensor solar energy lawn lamp | |
| CN204598440U (en) | Novel index light adjusting circuit | |
| CN103369766A (en) | A head lamp and a lighting circuit capable of sensing ambient illumination | |
| CN104427686A (en) | Lamp and control circuit thereof | |
| CN104582208A (en) | Illuminating circuit and illuminating circuit control method | |
| CN104489994A (en) | Night intelligent sensing led shoe | |
| CN104489995A (en) | Movement-recharged night-lighting shoe | |
| CN105570714A (en) | Flashlight | |
| TWI433590B (en) | Led lighting apparatus | |
| CN204306117U (en) | Night intelligent induction LED footwear | |
| CN204534146U (en) | A kind of multifunctional electric torch | |
| CN204191705U (en) | A kind of charged warming shoes circuit | |
| CN102843818A (en) | Residual light circuit of light-emitting diode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140326 |
|
| RJ01 | Rejection of invention patent application after publication |