CN205909051U - Flashlight - Google Patents
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- CN205909051U CN205909051U CN201620449182.5U CN201620449182U CN205909051U CN 205909051 U CN205909051 U CN 205909051U CN 201620449182 U CN201620449182 U CN 201620449182U CN 205909051 U CN205909051 U CN 205909051U
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Abstract
The utility model discloses a flashlight, including stack shell, cartridge head, section of thick bamboo tail and flashlight circuit, a cartridge head and a section of thick bamboo tail and stack shell body coupling to set up the both ends at the stack shell respectively, including electrically conductive main part in the stack shell, electrically conductive main part falls into side by side circuit board holding chamber and battery containing cavity with the stack shell, the circuit board sets up the circuit board holding intracavity of stack shell to extend to a tail from cartridge head, the battery sets up in the battery containing cavity of stack shell to be connected with the circuit board, LED light -emitting component sets up in cartridge head to be connected with the circuit board, the switch module sets up in section of thick bamboo tail to be connected with the circuit board. The utility model discloses a battery direct is connected with control circuit not through the switch module, has avoided the battery output electric current too big and burn out the problem of switch module, the circuit board extends to a tail from cartridge head, can be convenient lay a plurality of switches and a plurality of control circuit of design at section of thick bamboo tail, whole circuit design is simple, wiring convenient and fast.
Description
Technical field
This utility model is related to flashlight technical field, more particularly, to a kind of pocket lamp.
Background technology
At present, pocket lamp has become the requisite the articles for daily use of people's daily life, more becomes some fans that climb the mountain
The necessary carried with field survivorship fan.Traditional pocket lamp by control circuit, switch module and battery connect shape
Become closed control loop, realize the control to luminescence component.But, with the progress of technology, people are to super brightness torch
Pursue more and more higher, existing pocket lamp gradually begins to use imr lithium manganate battery as power supply.Due to imr battery have super
Big discharge current, its maximum discharge current is up to 30a, and the maximum operating currenbt of the switch module connected with imr battery is only
It is only 3-4a, when the electric current in circuit is more than 4a it is easy to burn out switch module.As can be seen here, battery and switch module
The design of series connection can not meet the actual requirement of people.In addition, modern increasingly pursues the pluralistic function of pocket lamp, cause
So that the control signal transmission line of pocket lamp is become increasingly complex, if new signal circuit need to be designed or set up, need to remove or weight
Newly design original series connection closed control loop, complicated and very inconvenient.
Utility model content
This utility model is to overcome the shortcoming of prior art and deficiency, provides a kind of pocket lamp, it can prevent switches set
Part burns out and circuit design is simple, it is convenient and swift to set up new signal circuit.
This utility model is achieved through the following technical solutions: a kind of pocket lamp, including stack shell, cylinder head, cylinder tail and handss
Torch circuit；
Described cylinder head and cylinder tail and described stack shell integrally connected, and it is separately positioned on the two ends of described stack shell；
Described electric torch circuit include battery, control circuit, linear voltage-stabilizing circuit, constant flow regulation circuit, switch module and
Led luminescence component；Described battery is respectively to described control circuit, linear voltage-stabilizing circuit, constant flow regulation circuit and led luminescence component
Power supply；Described linear voltage-stabilizing circuit is connected with described battery and control circuit respectively, for described cell voltage is changed,
To provide stable voltage to described control circuit；Switch module described in the signal input part of described control circuit connects, signal
Outfan is connected with described led luminescence component, for receiving the control signal of described switch module, and controls described led to light
The state of assembly；Described constant flow regulation circuit is connected with described battery and described led luminescence component respectively, for by described battery
Voltage is changed, to provide stable electric current to described led luminescence component；Described switch module is with described control circuit even
Connect, for sending control signal to described control circuit；Described led luminescence component is connected with described control circuit, for basis
The control signal of described control circuit controls the state of led；
Include conductive bodies in described stack shell, stack shell is divided into circuit board containing cavity side by side and battery by described conductive bodies
Containing cavity；The circuit board that described circuit board is arranged on described stack shell houses intracavity, and extends to a tail from cylinder head；Described battery sets
Put the battery containing intracavity in described stack shell, and be connected with described circuit board；Described led luminescence component is arranged on described cylinder head
Interior, and be connected with the control circuit in described circuit board by the first signal line group；Described switch module is arranged on described cylinder tail
Interior, and be connected with the control circuit in described circuit board by secondary signal line group.
Compared to prior art, battery of the present utility model is directly connected with control circuit without switch module, keeps away
Exempt from that cell output current is excessive and the problem that burns out switch module；Described circuit board extends to a tail from cylinder head, can be convenient
Lay multiple switch in cylinder tail and design multiple signal circuits, and high-power, high efficiency and End-Management can be taken into account simultaneously
The problem of light modulation, whole circuit design is simple, wiring is convenient and swift.
Further, it is additionally provided with cathode circuit plate, negative spring and conductive screw in described stack shell；Described battery is just
Pole is connected with described circuit board by cathode circuit plate；The negative pole of described battery is connected with described negative spring, described negative pole bullet
Spring is connected with described conductive bodies；Described conductive bodies are passed through described conduction screw and are connected with described circuit board.
Further, described cylinder tail offers battery conveying end；Described battery cover lid is located on this battery conveying end, and
Connect with described cylinder tailspin.
Further, the sidepiece of described stack shell is provided with battery conveying end, and described battery cover one end is fixed on described cylinder tail,
The other end passes through screw and cylinder head and locks, and is located on this battery conveying end with covering, by unscrew or tighten described screw realize right
The opening and closing of battery cover.
Further, described circuit board containing cavity and cell containing cavity are arranged side by side along described stack shell short axle place direction,
Accordingly, described battery and circuit board are also arranged side by side along described stack shell short axle place direction.
Further, to include linear voltage stabilization chip, diode, the first electric capacity of voltage regulation and second steady for described linear voltage-stabilizing circuit
Voltage capacitance；One end of described diode is connected with the positive pole of described battery；The other end electricity with described linear voltage stabilization chip respectively
Source input and Enable Pin connect, and described first electric capacity of voltage regulation ground connection is passed through at this end；The voltage of described linear voltage stabilization chip is defeated
Go out end to be connected with the power input of described control circuit, and described second electric capacity of voltage regulation ground connection is passed through at this end.
Further, described control circuit includes microcontroller chip, mu balanced circuit, bleeder circuit, electricity display control electricity
Road and ultralow intednsity circuit；Described microcontroller chip be provided with power input, battery detecting end, the first signal control end,
Secondary signal control end, Enable Pin and pwm signal output part；The power input of described microcontroller chip and described linear voltage stabilization
The voltage output end of circuit connects, and external described mu balanced circuit, to provide stable voltage into described control chip；Described
The battery detecting end of microcontroller chip is connected with battery by described bleeder circuit, to detect the electricity of described battery；Described micro-
First signal control end of control chip is connected with described electricity display control circuit, to show battery electric quantity size；Described micro-
The secondary signal control end of control chip is connected with described ultralow intednsity circuit, described ultralow intednsity circuit with described
Led luminescence component connects, to realize the ultralow brilliance control to described led luminescence component；The Enable Pin of described microcontroller chip
It is connected with described constant flow regulation circuit, to start or to forbid described constant flow regulation circuit work；The pwm letter of described microcontroller chip
Number outfan is connected with described constant flow regulation circuit, to control the size of output current.
Further, described mu balanced circuit includes the 3rd electric capacity of voltage regulation and the 4th electric capacity of voltage regulation of parallel connection；Described microcontroller
The power input of chip is grounded after being connected with described 3rd electric capacity of voltage regulation and the 4th electric capacity of voltage regulation respectively；Described bleeder circuit bag
Include the first divider resistance, the second divider resistance and derided capacitors；The battery detecting end of described microcontroller chip connects described first
Divider resistance, described first divider resistance connect with described second divider resistance after ground connection, this described first divider resistance another
One end connects described anode；Described derided capacitors are connected in parallel on described second divider resistance two ends；Described electricity display control
Circuit includes indicating audion, the first auxiliary resistance, the first Light-Emitting Diode and the second Light-Emitting Diode, described microcontroller chip
The first signal control end connect the base stage of described instruction audion, the colelctor electrode of described instruction audion passes through the first auxiliary electricity
Resistance is connected with described first light emitting diode and the second light emitting diode respectively；The emitter stage of described instruction audion connects described
The voltage output end of linear voltage stabilization chip；Described ultralow intednsity circuit includes audion and the second auxiliary resistance；Described micro-
The secondary signal control end of control chip connects the base stage of described audion, the colelctor electrode of described audion pass through auxiliary resistance with
The positive source input of described led luminescence component connects, and the emitter stage of described audion connects described linear voltage stabilization chip
Voltage output end.
Further, described constant flow regulation circuit includes dc-dc chip, field effect transistor, inductance, sampling resistor, voltage stabilizing two
Pole pipe, current sample chip, first resistor, second resistance and 3rd resistor；The power input of described dc-dc chip and described
The grid of field effect transistor is connected with the positive pole of described battery respectively；The voltage output end of described dc-dc chip and described field effect
The drain electrode of pipe connects, the positive pole after the source electrode of described field effect transistor is connected with inductance and sampling resistor, with described led luminescence component
Connect；The source electrode of described field effect transistor is grounded after described Zener diode；The positive source of described current sample chip is defeated
Enter end and negative input is connected in parallel on described sampling resistor two ends respectively, the outfan of described current sample chip passes through the first electricity
Resistance, second resistance, the resistor network of 3rd resistor composition are connected with the feedback end of described dc-dc chip；Described dc-dc chip
Feedback end is connected with the pwm signal output part of described control circuit, and according to described pwm signal come control input to described led
The size of current of luminescence component.
Further, described switch module includes on and off switch and dimmer switch；One end of described on and off switch with described
First signal input part of control circuit connects, and the other end is grounded；The of one end of described dimmer switch and described control circuit
Binary signal input connects, and the other end is grounded；Described control circuit is controlled according to the open and-shut mode of on and off switch and dimmer switch
System output is to the pwm signal magnitude of described constant flow regulation circuit, and then realizes the control to described led luminescence component.
In order to more fully understand and implement, describe this utility model below in conjunction with the accompanying drawings in detail.
Brief description
Fig. 1 is the structural representation of pocket lamp in embodiment；
Fig. 2 is the schematic diagram of electric torch circuit in this utility model embodiment；
Fig. 3 is the circuit diagram of linear voltage-stabilizing circuit in this utility model embodiment；
Fig. 4 is the circuit diagram of control circuit in this utility model embodiment；
Fig. 5 is the circuit diagram of constant flow regulation circuit in this utility model embodiment；
Fig. 6 is to open the light the circuit diagram of assembly in this utility model embodiment；
Fig. 7 is the distressed structure schematic diagram of pocket lamp in embodiment.
Specific embodiment
Please refer to Fig. 1 to Fig. 6, Fig. 1 is the structural representation of pocket lamp in embodiment；Fig. 2 is that this utility model is real
Apply the schematic diagram of electric torch circuit in example；Fig. 3 is the circuit diagram of linear voltage-stabilizing circuit in this utility model embodiment；Fig. 4 is this
The circuit diagram of control circuit in utility model embodiment；Fig. 5 is the circuit diagram of constant flow regulation circuit in this utility model embodiment；
Fig. 6 is to open the light the circuit diagram of assembly in this utility model embodiment.
The pocket lamp of the present embodiment includes stack shell 11, cylinder 12, cylinder tail 13 and electric torch circuit.
Described cylinder 12 and cylinder tail 13 respectively with described stack shell 11 integrally connected, and be separately positioned on the two of described stack shell 11
End.
Described electric torch circuit includes battery 1, linear voltage-stabilizing circuit 2, control circuit 3, constant flow regulation circuit 4, electricity refer to
Show circuit 5, switch module 5 and led luminescence component 7.Described battery 1 is respectively to described control circuit 2, linear voltage-stabilizing circuit 3, perseverance
Stream adjusts circuit 4 and led luminescence component 6 is powered；Described linear voltage-stabilizing circuit 2 is connected with described battery 1 and control circuit 3 respectively
Connect, the voltage for exporting described battery 1 is changed, to provide stable voltage to described control circuit 3；Described control
The signal input part of circuit 3 is connected with described switch module 5, and signal output part is connected with described led luminescence component 6, is used for connecing
Receive the control signal of described switch module 5, and control the state of described led luminescence component 6；Described constant flow regulation circuit 4 is respectively
It is connected with described battery 1 and described led luminescence component 6, the voltage for exporting described battery 1 is changed, with to described
Led luminescence component 6 provides stable electric current；Described switch module 5 is connected with described control circuit 3, for controlling electricity to described
Road 3 sends control signal；Described led luminescence component 6 is connected with described control circuit 3, for the control according to described control circuit 3
Signal processed controls the state of led.
In this example, described linear voltage-stabilizing circuit 2, control circuit 3, constant flow regulation circuit 4 are integrated on a circuit board 14.
Conductive bodies 111 are included, the circuit board that stack shell is divided into arranged in parallel is held by described conductive bodies 111 in described stack shell
Put chamber and cell containing cavity, the circuit board that described circuit board 14 is arranged on described stack shell 11 houses intracavity, and extends from cylinder 12
To cylinder tail 13.Described battery 1 is arranged on the battery containing intracavity of described stack shell 1, and is connected with described circuit board 14.Described led
Luminescence component 7 is arranged in described cylinder 12, and by the control circuit 3 in the first signal line group 141 and described circuit board 14
Connect.Described switch module 5 is arranged in described cylinder tail 13, and by secondary signal line group 142 and described circuit board 14
Control circuit 3 connects.
Described circuit board containing cavity and cell containing cavity are arranged side by side along described stack shell 11 short axle place direction, accordingly,
Described battery 1 and circuit board 14 are also arranged side by side along described stack shell 11 short axle place direction.When needing to increase control circuit, only
Need, at cylinder tail 13, the control circuit set up and described cell panel 14 to be directly connected to.
It is additionally provided with cathode circuit plate 112, negative spring 113 and conductive screw 114 in described stack shell 11.Described battery 1
Positive pole be connected with described circuit board 14 by cathode circuit plate 112.The negative pole of described battery 1 is with described negative spring 113 even
Connect, described negative spring 113 is connected with described conductive bodies 111；Described conductive bodies 111 pass through described conduction screw 113 with
Described circuit board 14 connects.
In the present embodiment, also include battery cover 15；Battery 1 conveying end, described battery cover 15 are offered on described cylinder tail 13
Lid is located on this battery 1 conveying end, and spins with described cylinder tail 13.
In the present embodiment, described switch module 5 includes on and off switch s1 and dimmer switch s2；Described on and off switch s1 and institute
State dimmer switch s2 to be connected with the control circuit 3 in described circuit board 14 by described secondary signal line group respectively.Described light modulation
Switch s2 is provided with multiple brilliance control gears.
In the present embodiment, also include button cap 16；Described button cap 16 lid is located on described switch module 5, and with described
Cylinder tail 13 spins.
The specific circuit connecting relation of described electric torch circuit is as follows:
" ground connection " described in the present embodiment is represented and is connected with the negative pole of described battery 1.
Described linear voltage-stabilizing circuit 2 includes linear voltage stabilization chip u4, diode d4, the first electric capacity of voltage regulation c8 and the second voltage stabilizing
Electric capacity c7.In the present embodiment, described linear voltage stabilization chip u4 adopts lp2985aim5-3.0 chip, and it includes voltage input end
Vin, Enable Pin en and voltage output end vout.One end of described diode d4 is connected with the positive pole of described battery 11；The other end
It is connected with the power input vin of described linear voltage stabilization chip u4 and Enable Pin en respectively, and this end is by described first voltage stabilizing
Electric capacity c8 is grounded.The voltage output end vout of described linear voltage stabilization chip u4 is connected with described control circuit 3, and by described the
Two electric capacity of voltage regulation c7 ground connection.The voltage of described battery 11 output is through described linear voltage stabilization chip u4, diode d4, the first voltage stabilizing electricity
Hold the linear voltage-stabilizing circuit 2 of c8 and the second electric capacity of voltage regulation c7 composition, be converted to the electricity of suitable described control circuit 3 normal work
Pressure, and provide burning voltage to described control circuit 3.
Described control circuit 3 includes microcontroller chip u3, mu balanced circuit, bleeder circuit, electricity display control circuit, ultralow
Intednsity circuit and temperature sensing circuit.Described microcontroller chip u3 be provided with power input vdd, battery detecting end pc4,
One signal control end pb5, secondary signal control end pb3, temperature detection end pb4, Enable Pin pb2, pwm signal output part pb1.Institute
The power input stating microcontroller chip u3 is connected with the voltage output end vout of described linear voltage-stabilizing circuit 2, and external described
Mu balanced circuit, to provide stable voltage into described control chip.Institute is passed through in battery 1 test side of described microcontroller chip u3
State bleeder circuit to be connected with battery 1, to detect the electricity of described battery 1.First signal control end of described microcontroller chip u3
Pb5 is connected with described electricity display control circuit, to show the electricity size of battery 1.Second letter of described microcontroller chip u3
Number control end pb3 is connected with described ultralow intednsity circuit 3, described ultralow intednsity circuit 3 and described led luminescence component
6 connections, to realize the ultralow brilliance control to described led luminescence component 6.The temperature detection end pb4 of described microcontroller chip with
Described temperature sensing circuit connects, to obtain the operating temperature of circuit.Enable Pin pb2 of described microcontroller chip u3 and described perseverance
Stream adjusts circuit 4 and connects, to start or to forbid that described constant flow regulation circuit 4 works；The pwm signal of described microcontroller chip u3 is defeated
Go out to hold pb1 to be connected with described constant flow regulation circuit 4, to control the size of output current.
Described mu balanced circuit includes the 3rd electric capacity of voltage regulation c10 and the 4th electric capacity of voltage regulation c11 of parallel connection；Described microcontroller chip
The power input vdd of u3 is grounded after being connected with described 3rd electric capacity of voltage regulation c10 and the 4th electric capacity of voltage regulation c11 respectively.
Described bleeder circuit includes the first divider resistance r9, the second divider resistance r10 and derided capacitors c13；Described micro-control
The battery detecting end pc4 of coremaking piece u3 connects described first divider resistance r9, described first divider resistance r9 with described second point
It is grounded after piezoresistance r10 series connection, the other end of this described first divider resistance r9 connects described battery 1 positive pole；Described partial pressure electricity
Hold c13 and be connected in parallel on described second divider resistance r10 two ends.
Described electricity display control circuit includes indicating audion q3, the first auxiliary resistance r8, the first Light-Emitting Diode d2
With the second Light-Emitting Diode d3；First signal control end pb5 of described microcontroller chip u3 connects described instruction audion q3's
Base stage, the colelctor electrode of described instruction audion q3 pass through the first auxiliary resistance r8 respectively with described first light emitting diode d2 and the
Two light emitting diode d3 connect；The emitter stage of described instruction audion q3 connects the voltage output end of described linear voltage stabilization chip.
The voltage of described battery 1 output inputs described micro-control after described first divider resistance r9 and the second divider resistance r10 partial pressure
In coremaking piece u3, to obtain the electricity size of described battery 1, and export in the first signal control end: when the first signal control end
During pb5 output HIGH voltage, described battery electric quantity indicating circuit 5 shows battery electric quantity；When exporting low-voltage, described battery electric quantity
Indicating circuit 5 cuts out battery electric quantity and shows.
Described ultralow intednsity circuit includes audion q2 and the second auxiliary resistance r6.The of described microcontroller chip u3
Binary signal control end pb3 connects the base stage of described audion q2, and the colelctor electrode of described audion q2 passes through auxiliary resistance r6 and institute
The positive source input stating led luminescence component 7 connects, and the emitter stage of described audion q2 connects described linear voltage stabilization chip u4
Voltage output end vout.When the secondary signal control end pb3 output HIGH voltage of described microcontroller chip u3, described led sends out
Optical assembly 7 opens ultralow bright illumination；When exporting low-voltage, described led luminescence component 7 closes ultralow bright illumination.
Described temperature sensing circuit includes critesistor (not shown), detection resistance r7 and detection electric capacity c9.Described micro-
The temperature detection end pb4 of control chip u3 is connected with described critesistor, the detection in parallel of the described critesistor other end
Resistance r7 and detection electric capacity c9 is grounded after connecting, and the circuit operating temperature of detection is sent in described microcontroller chip u3.
In addition, described microcontroller chip u3 is additionally provided with reset terminal pa1 and test lead pa0；The outfan of extraneous reseting module
Be connected with the reset terminal pa1 of described microcontroller chip u3, and with described 5th electric capacity of voltage regulation c13 after be grounded.Extraneous test module
Outfan be connected with the test lead pa0 of described microcontroller chip u3.
Described constant flow regulation circuit 4 includes dc-dc chip u1, field effect transistor q1, the 3rd electric capacity of voltage regulation c1, the 4th voltage stabilizing electricity
Hold c2, inductance l1, sampling resistor r5, Zener diode d1, the first electric capacity c4, the second electric capacity c5, current sample chip u2, the
One resistance r2, second resistance r3 and 3rd resistor r4.
Described dc-dc chip u1 adopts xc6366b103mr chip, and it includes power input vdd, voltage output end
Ext, Enable Pin en and pressure feedback port fb.The grid of described field effect transistor q1 and the power input of described dc-dc chip u1
Vdd is connected with the positive pole of described battery 1 respectively；The positive pole of described battery 1 is by described 3rd electric capacity of voltage regulation c1 and the 4th voltage stabilizing
Electric capacity c2 is grounded.The voltage output end ext of described dc-dc chip u1 is connected with the drain electrode of described field effect transistor q1, described field effect
Should pipe q1 source electrode be connected with inductance l1 and sampling resistor r5 successively after, be connected with the positive pole of described led luminescence component 7, described
The source electrode of field effect transistor q1 is grounded also after Zener diode d1.Described inductance l1 and the first electric capacity c4 in parallel and second electricity
After holding c5 connection, it is connected with the negative pole of described led luminescence component 7.The minus earth of described led luminescence component 7.Described dc-dc
Chip u1, field effect transistor q1, Zener diode d1, inductance l1 form typical buck circuit, realize the voltage exporting battery 1
It is transformed into the running voltage making described led luminescence component 7 normal work.
The positive source input of described current sample chip u2 and negative input are connected in parallel on described employing resistance respectively
R5 two ends, the outfan of described current sample chip passes through first resistor r2, second resistance r3, the resistance of 3rd resistor r4 composition
Network, is connected with the pressure feedback port fb of described dc-dc chip u1, and the voltage signal v1 that will convert into inputs back described dc-
In dc chip u1.The pressure feedback port fb of described dc-dc chip u1 passes through first resistor r2 and the integration of second resistance r3 composition
Network is connected with the pwm signal output part of described microcontroller chip u3, and will be defeated for the voltage signal v2 of microcontroller chip u3 output
Enter in described dc-dc chip.Described dc-dc chip u1 exports according to the Signal Regulation of voltage signal v1 and voltage signal v2
The voltage of described led luminescence component 7, and then realize the constant current regulation to led luminescence component 7.
Described switch module 5 includes on and off switch s1 and dimmer switch s2；One end of described on and off switch s1 is micro- with described
The first signal input part pb7 of control chip u3 connects, and the other end is grounded；One end of described dimmer switch s2 and described microcontroller
The secondary signal input pb6 of chip u3 connects, and the other end is grounded.Described microcontroller chip u3 is according on and off switch s1 and light modulation
The pwm signal magnitude to control output for the open and-shut mode of switch s2, and then realize the control to led luminescence component 7.
During use, open battery cover 15, battery 1 is put into described battery containing intracavity；Cover battery cover 15 and rotate, make
Battery cover 15 is fixing with described cylinder tail 11.Open described on and off switch s1 to power to circuit, adjust the shelves of described dimmer switch s2
Position, to control the size of current being passed through described led luminescence component, and then realizes the control of flashlight brightness.
Compared to prior art, battery of the present utility model is directly connected with control circuit without switch module, keeps away
Exempt from that cell output current is excessive and the problem that burns out switch module；Described circuit board extends to a tail from cylinder head, can be convenient
Lay multiple switch in cylinder tail and design multiple signal circuits, and high-power, high efficiency and End-Management can be taken into account simultaneously
The problem of light modulation.
Refer to Fig. 7, it is the distressed structure schematic diagram of pocket lamp in this utility model embodiment.As this utility model
Optimization further, the side of described stack shell 11 ' is provided with battery 1 conveying end, and described battery cover 15 ' one end is fixed on described cylinder tail
On 13, the other end passes through screw 17 ' and cylinder 12 locking, is located on this battery 1 conveying end with covering, by unscrewing or tightening described
The opening and closing to battery cover 15 ' realized by screw, open separate with battery conveying end for the control circuit of cylinder tail 13, can be square
Just quickly take out battery, also can easily connect up at cylinder tail 13.
In addition, the pocket lamp shown in Fig. 7 includes cathode traces plate 115 ', the negative pole of described battery 1 and described negative pole bullet
After spring 113 connects, can be directly connected with described circuit board 14 by described cathode traces plate 115 '.
This utility model is not limited to above-mentioned embodiment, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these are changed and deformation belongs to claim of the present utility model and equivalent technologies
Within the scope of, then this utility model is also intended to comprise these changes and deforms.
Claims (10)
1. a kind of pocket lamp is it is characterised in that include stack shell, cylinder head, cylinder tail and electric torch circuit；
Described cylinder head and cylinder tail and described stack shell integrally connected, and it is separately positioned on the two ends of described stack shell；
Described electric torch circuit includes battery, control circuit, linear voltage-stabilizing circuit, constant flow regulation circuit, switch module and led and sends out
Optical assembly；Described battery is powered to described control circuit, linear voltage-stabilizing circuit, constant flow regulation circuit and led luminescence component respectively；
Described linear voltage-stabilizing circuit is connected with described battery and control circuit respectively, for described cell voltage is changed, with to
Described control circuit provides stable voltage；The signal input part of described control circuit is connected with described switch module, and signal is defeated
Go out end to be connected with described led luminescence component, for receiving the control signal of described switch module, and control described led to light group
The state of part；Described constant flow regulation circuit is connected with described battery and described led luminescence component respectively, for described battery is electric
Pressure is changed, to provide stable electric current to described led luminescence component；Described switch module is connected with described control circuit,
For sending control signal to described control circuit；Described led luminescence component is connected with described control circuit, for according to described
The control signal of control circuit controls the state of led；
Include conductive bodies in described stack shell, stack shell is divided into circuit board containing cavity side by side and battery containing by described conductive bodies
Chamber；The circuit board that described circuit board is arranged on described stack shell houses intracavity, and extends to a tail from cylinder head；Described battery is arranged on
The battery containing intracavity of described stack shell, and be connected with described circuit board；Described led luminescence component is arranged in described cylinder head, and
It is connected with the control circuit in described circuit board；Described switch module is arranged in described cylinder tail, and with described circuit board in
Control circuit connects.
2. pocket lamp according to claim 1 is it is characterised in that be additionally provided with cathode circuit plate, negative pole in described stack shell
Spring and conductive screw；The positive pole of described battery is connected with described circuit board by cathode circuit plate；The negative pole of described battery with
Described negative spring connects, and described negative spring is connected with described conductive bodies；Described conductive bodies pass through described conduction screw
It is connected with described circuit board.
3. pocket lamp according to claim 1 is it is characterised in that offer battery conveying end on described cylinder tail；Described electricity
Chi Gai lid is located on this battery conveying end, and connects with described cylinder tailspin.
4. pocket lamp according to claim 1 is it is characterised in that the sidepiece of described stack shell is provided with battery conveying end, described
Battery cover one end is fixed on described cylinder tail, and the other end is passed through screw and locked with cylinder head, is located on this battery conveying end with covering, leads to
Cross the opening and closing unscrewing or tightening described screw realization to battery cover.
5. pocket lamp according to claim 1 is it is characterised in that described circuit board containing cavity and cell containing cavity are along described
Stack shell short axle place direction is arranged side by side, and accordingly, described battery and circuit board are also along described stack shell short axle place direction side by side
Setting.
6. pocket lamp according to claim 1 it is characterised in that described linear voltage-stabilizing circuit include linear voltage stabilization chip,
Diode, the first electric capacity of voltage regulation and the second electric capacity of voltage regulation；One end of described diode is connected with the positive pole of described battery；The other end
It is connected with the power input of described linear voltage stabilization chip and Enable Pin respectively, and this end is connect by described first electric capacity of voltage regulation
Ground；The voltage output end of described linear voltage stabilization chip is connected with the power input of described control circuit, and this end is by described
Second electric capacity of voltage regulation ground connection.
7. pocket lamp according to claim 6 is it is characterised in that described control circuit includes microcontroller chip, voltage stabilizing electricity
Road, bleeder circuit, electricity display control circuit and ultralow intednsity circuit；Described microcontroller chip be provided with power input,
Battery detecting end, the first signal control end, secondary signal control end, Enable Pin and pwm signal output part；Described microcontroller chip
Power input be connected with the voltage output end of described linear voltage-stabilizing circuit, and mu balanced circuit described in external, with to described
Stable voltage is provided in microcontroller chip；Described bleeder circuit and battery are passed through in the battery detecting end of described microcontroller chip
Positive pole connects, to detect the electricity of described battery；First signal control end of described microcontroller chip and described electricity display control
Circuit processed connects, to show battery electric quantity size；The secondary signal control end of described microcontroller chip and described ultralow brightness control
Circuit processed connects, and described ultralow intednsity circuit is connected with described led luminescence component, to realize to described led luminescence component
Ultralow brilliance control；The Enable Pin of described microcontroller chip is connected with described constant flow regulation circuit, to start or to forbid described
Constant flow regulation circuit works；The pwm signal output part of described microcontroller chip is connected with described constant flow regulation circuit, defeated to control
Go out the size of electric current.
8. pocket lamp according to claim 7 is it is characterised in that described mu balanced circuit includes the 3rd electric capacity of voltage regulation of parallel connection
With the 4th electric capacity of voltage regulation；The power input of described microcontroller chip respectively with described 3rd electric capacity of voltage regulation and the 4th electric capacity of voltage regulation
It is grounded after connection；Described bleeder circuit includes the first divider resistance, the second divider resistance and derided capacitors；Described microcontroller chip
Battery detecting end connect described first divider resistance, described first divider resistance connected with described second divider resistance and is followed by
Ground, the other end of described first divider resistance connects described anode；Described derided capacitors are connected in parallel on described second partial pressure electricity
Resistance two ends；Described electricity display control circuit includes indicating audion, the first auxiliary resistance, the first Light-Emitting Diode and second
Light diode；First signal control end of described microcontroller chip connects the base stage of described instruction audion, described instruction three pole
The colelctor electrode of pipe is connected with described first light emitting diode and the second light emitting diode respectively by the first auxiliary resistance；Described finger
Show that the emitter stage of audion connects the voltage output end of described linear voltage stabilization chip；Described ultralow intednsity circuit includes three poles
Pipe and the second auxiliary resistance；The secondary signal control end of described microcontroller chip connects the base stage of described audion, described three poles
The colelctor electrode of pipe is connected with the positive source input of described led luminescence component by auxiliary resistance, the transmitting of described audion
Pole connects the voltage output end of described linear voltage stabilization chip.
9. pocket lamp according to claim 1 is it is characterised in that described constant flow regulation circuit includes dc-dc chip, field effect
Ying Guan, inductance, sampling resistor, Zener diode, current sample chip, first resistor, second resistance and 3rd resistor；Described
The grid of the power input of dc-dc chip and described field effect transistor is connected with the positive pole of described battery respectively；Described dc-dc core
The voltage output end of piece is connected with the drain electrode of described field effect transistor, and the source electrode of described field effect transistor is connected with inductance and sampling resistor
Afterwards, it is connected with the positive pole of described led luminescence component；The source electrode of described field effect transistor is grounded after described Zener diode；Institute
State the positive source input of current sample chip and negative input is connected in parallel on described sampling resistor two ends, described electricity respectively
The outfan of stream sampling A/D chip passes through first resistor, second resistance, the resistor network of 3rd resistor composition and described dc-dc chip
Feedback end connect；The feedback end of described dc-dc chip is connected with the pwm signal output part of described control circuit, and according to institute
State pwm signal and carry out control input to the size of current of described led luminescence component.
10. pocket lamp according to claim 1 is it is characterised in that described switch module includes on and off switch and light modulation is opened
Close；One end of described on and off switch is connected with the first signal input part of described control circuit, and the other end is grounded；Described light modulation is opened
The one end closed is connected with the secondary signal input of described control circuit, and the other end is grounded；Described control circuit is opened according to power supply
Close and the open and-shut mode of dimmer switch exports, to control, the pwm signal magnitude arriving described constant flow regulation circuit, and then realize to institute
State the control of led luminescence component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620449182.5U CN205909051U (en) | 2016-05-17 | 2016-05-17 | Flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620449182.5U CN205909051U (en) | 2016-05-17 | 2016-05-17 | Flashlight |
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| CN205909051U true CN205909051U (en) | 2017-01-25 |
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| CN201620449182.5U Active CN205909051U (en) | 2016-05-17 | 2016-05-17 | Flashlight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197673A1 (en) * | 2016-05-17 | 2017-11-23 | 李文杰 | Flashlight |
| CN109945086A (en) * | 2019-04-12 | 2019-06-28 | 深圳市朗恒电子有限公司 | A kind of flashlight |
-
2016
- 2016-05-17 CN CN201620449182.5U patent/CN205909051U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197673A1 (en) * | 2016-05-17 | 2017-11-23 | 李文杰 | Flashlight |
| CN107388077A (en) * | 2016-05-17 | 2017-11-24 | 李文杰 | A kind of flashlight |
| CN109945086A (en) * | 2019-04-12 | 2019-06-28 | 深圳市朗恒电子有限公司 | A kind of flashlight |
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