CN104955202B - Electric torch circuit with calculator function - Google Patents
Electric torch circuit with calculator function Download PDFInfo
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- CN104955202B CN104955202B CN201410123764.XA CN201410123764A CN104955202B CN 104955202 B CN104955202 B CN 104955202B CN 201410123764 A CN201410123764 A CN 201410123764A CN 104955202 B CN104955202 B CN 104955202B
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Abstract
Electric torch circuit with calculator function includes the reseting module for reseting data；It further include switch module, control module, the constant flow module for providing constant current and the display module for showing the matrix keyboard module input signal Yu the control module output signal for inputting the matrix keyboard module of number and arithmetic signal, lighting with extinguish for controlling lamps and lanterns；Number and arithmetic signal are inputted by setting matrix keyboard module, output is shown to display module after then being converted and handled by number and arithmetic signal of the control module to input.Meanwhile switch module so that control module changes the size of current of constant flow module, and then achievees the effect that control lamp brightness and extinguishing by sending switching signal to control module.Therefore, the above-mentioned electric torch circuit with calculator function not only has conventional illumination functions of lighting, and also has calculator function.
Description
Technical field
The present invention relates to electric torch circuits, more particularly to a kind of electric torch circuit with calculator function.
Background technique
The development of portable lighting tool can be traced to the initial stage of human social development --- primitive society.Since human asm
Since drilling wood to make fire, portable lighting experienced the development course from fire, oil, candle to flashlight.Portable lighting tool lives through nothing
There is torch, oil lamp, candle, kerosene lamp to incandescent lamp bulb flashlight, Xe lamp bulb flashlight in several changes, and it is full to develop to beautiful jade
Purpose LED flashlight etc..Oil lamp have passed through multiple improvement.Oil lamp is changed to vegetable oil from animal oil with oil, last to be replaced again by kerosene.
Wind blows out fire in order to prevent, and people added cover to oil lamp, finally uses cloche, such oil instead from the paper of early stage paste cover
Lamp is not afraid of wind, illuminates convenient for outdoor moving.While making to illuminate by oil lamps, the mankind are still finding other portable lightings
Method.Then the function of simple flashlight is excessively dull, is insufficient for diversified user demand.
Summary of the invention
Based on this, it is necessary to provide a kind of electric torch circuit with calculator function.
A kind of electric torch circuit with calculator function, including the reseting module for reseting data；It further include for defeated
Enter number and arithmetic signal matrix keyboard module, for control lamps and lanterns light with extinguishing switch module, control module,
For providing the constant flow module of constant current and for showing that the matrix keyboard module input signal and the control module are defeated
The display module of signal out；
The matrix keyboard module includes eight output ends, and eight output ends correspondence of the matrix keyboard module connects described
Eight data input pins of control module；The output of the reseting module terminates the reset terminal of the control module；The constant current
The input termination lamps and lanterns anode of module and the constant current end of the control module, the output of the constant flow module terminate lamps and lanterns cathode；
The input of the display module terminates the data output end of the control module；The power end of the control module, the reset
The power supply termination input power of the power end of module, the display module；The output of the switch module terminates the control mould
The switch terminals of block；
The number and arithmetic signal of the input of the matrix keyboard module after the control module is converted and is handled,
It is output to the display module, the digital numbers and symbols corresponding with arithmetic signal of display module display；It is described to open
It closes module to be used to send switching signal to the control module, the control module controls the constant current according to the switching signal
The size of current of module, to control brightness and extinguishing that lamps and lanterns are lighted；The reseting module is used for the control module
Data reset.
The reseting module includes resistance R1, switch S1, capacitor C3 and capacitor C4 in one of the embodiments,；It is described
Resistance R1 mono- terminates input power, and the other end is the output end of the reseting module, and the capacitor C3 mono- terminates the reset mould
The output end of block, other end ground connection, the capacitor C4 is in parallel with the capacitor C3, and the switch S1 is in parallel with the capacitor C3.
The matrix keyboard module includes 4 × 4 matrix keyboards in one of the embodiments,.
The constant flow module includes constant current chip U3 and constant current chip U4 in one of the embodiments,；The constant current core
The output end of the output end of piece U3 and the constant current chip U4 connect the cathode of lamps and lanterns simultaneously, the power end of the constant current chip U3 and
The points of common connection of the power end of the constant current chip U4 is the input terminal of the constant flow module, the ground connection of the constant current chip U3
The ground terminal of end and the constant current chip U4 are grounded.
The switch module includes switch S18, the one end switch S18 ground connection, the other end in one of the embodiments,
Connect the switch terminals of the control module.
The display module includes display chip U2 and adjustable resistance R2, the display core in one of the embodiments,
The input of piece U2 terminates the output end of the control module, one end ground connection of the adjustable resistance R2, another termination display
The power end of chip U2.
The control module includes single-chip microcontroller U1, triode Q1 and capacitor C5 in one of the embodiments,；The monolithic
Eight data input pins of machine U1 connect eight output ends of the matrix keyboard module, described in the reset termination of the single-chip microcontroller U1
The data output end of the output end of reseting module, the single-chip microcontroller U1 connects the input terminal of the display module, the single-chip microcontroller
Switch terminates the output end of the switch module, and the constant current of the single-chip microcontroller U1 terminates the base stage of the triode Q1, and described three
The collector of pole pipe Q1 connects input power, and the emitter of the triode Q1 connects the input terminal of the constant flow module, the monolithic
The power supply of machine U1 terminates input power, and the capacitor C5 mono- terminates the reference voltage end of the single-chip microcontroller U1, other end ground connection.
It in one of the embodiments, further include crystal oscillator module, the crystal oscillator module includes crystal oscillator Y1, capacitor C1 and capacitor
The both ends C2, the crystal oscillator Y1 connect the end XTAL1 and the end XTAL2 of the single-chip microcontroller U1 respectively, and the capacitor C1 mono- terminates the list
The end XTAL1 of piece machine U1, other end ground connection, the capacitor C2 connect the end XTAL2 of the single-chip microcontroller U1, other end ground connection.
The above-mentioned electric torch circuit with calculator function inputs number and arithmetic letter by setting matrix keyboard module
Number, output is shown to display module after then being converted and handled by number and arithmetic signal of the control module to input
Show.Meanwhile switch module by control module send switching signal so that control module change constant flow module electric current
Size, and then achieve the effect that control lamp brightness and extinguishing.Therefore, the above-mentioned electric torch circuit with calculator function not only has
There are conventional illumination functions of lighting, also there is calculator function.
Detailed description of the invention
Fig. 1 is the module map of the electric torch circuit with calculator function；
Fig. 2 (a) is the schematic diagram of matrix keyboard module；
The partial schematic diagram of electric torch circuit of the Fig. 2 (b) with calculator function；
Fig. 2 (c) is the schematic diagram of display module.
Specific embodiment
As shown in Figure 1, being the module map of the electric torch circuit with calculator function.
A kind of electric torch circuit with calculator function, including for reseting data reseting module 106, for inputting number
The matrix keyboard module 101 of word and arithmetic signal is lighted and the switch module 103 of extinguishing, control mould for controlling lamps and lanterns
Block 102, the constant flow module 104 for providing constant current and for showing 101 input signal of matrix keyboard module and institute
State the display module 105 of 102 output signal of control module.
The matrix keyboard module 101 includes eight output ends, and eight output ends of the matrix keyboard module 101 are corresponding
Connect eight data input pins of the control module 102；The output of the reseting module 106 terminates the control module 102
Reset terminal；The input termination lamps and lanterns anode of the constant flow module 104 and the constant current end of the control module 102, the constant current mould
The output of block 104 terminates lamps and lanterns cathode；The input of the display module 105 terminates the data output end of the control module 102；
The power supply termination input of the power end of the control module 102, the power end of the reseting module 106, the display module 105
Power supply；The output of the switch module 103 terminates the switch terminals of the control module 102.
The number and arithmetic signal of the input of the matrix keyboard module 101 are converted simultaneously through the control module 102
After processing, it is output to the display module 105, the display module 105 shows number number corresponding with arithmetic signal
And symbol；The switch module 103 is used to send switching signal to the control module 102, and the control module 102 is according to institute
It states switching signal and controls the size of current of the constant flow module 104, to control the brightness and extinguishing that lamps and lanterns are lighted；The reset
Module 106 is used for the data reset of the control module 102.
Electric torch circuit with calculator function further includes crystal oscillator module 107, for being arranged at the data of control module 102
Manage the time.
Matrix keyboard module 101 is for inputting number and arithmetic signal, eight output ends of matrix keyboard module 101
Combination of two exports 16 kinds of data-signals.
Control module 102 is used for the input signal of receiving matrix Keysheet module 101, and according to the digital signal of input and defeated
The arithmetic signal entered carries out data processing, while data are exported to display module 105 by treated.Control module 102
It is also used to receive the output signal of switch module 103, and the switching signal exported according to switch module 103 is to constant flow module 104
Electric current be adjusted, and then reach adjust lamps and lanterns luminance.
Specifically, control module 102 controls what constant flow module 104 exported when switch module 103 issues switching signal for the first time
Electric current makes lamps and lanterns issue dim light.When second of the sending switching signal of switch module 103, control module 102 controls constant flow module 104
The electric current of output makes lamps and lanterns issue strong light.When switch module 103 issues switching signal for the third time, control module 102 controls constant current
The electric current that module 104 exports makes lamps and lanterns be in quick-fried sudden strain of a muscle state.When the 4th sending switching signal of switch module 103, control module
102 control constant flow modules 104 stop output electric current, and lamps and lanterns extinguish.
Incorporated by reference to Fig. 2 (a)-(c).
Reseting module 106 includes resistance R1, switch S1, capacitor C3 and capacitor C4；The resistance R1 mono- terminates input power,
The other end is the output end of the reseting module 106, and the capacitor C3 mono- terminates the output end of the reseting module 106, another
End ground connection, the capacitor C4 is in parallel with the capacitor C3, and the switch S1 is in parallel with the capacitor C3.
Matrix keyboard module 101 includes 4 × 4 matrix keyboards.Switch S2-S17 respectively represents digital 0-9 and arithmetic symbol
Number.
Constant flow module 104 includes constant current chip U3 and constant current chip U4；The output end of the constant current chip U3 and the perseverance
The output end for flowing chip U4 connects the cathode of lamps and lanterns, the power supply of the power end of the constant current chip U3 and the constant current chip U4 simultaneously
The points of common connection at end is the input terminal of the constant flow module 104, the ground terminal and the constant current chip of the constant current chip U3
The ground terminal of U4 is grounded.
The model of constant current chip U3 and constant current chip U4 are AMC7135.
Switch module 103 includes switch S18, and the one end the switch S18 is grounded, another termination control module 102
Switch terminals.
Display module 105 includes the input termination control of display chip U2 and adjustable resistance R2, the display chip U2
The output end of molding block 102, one end ground connection of the adjustable resistance R2, the power end of another termination display chip U2.It is aobvious
Show the model LCD1602 of chip U2.
Control module 102 includes single-chip microcontroller U1, triode Q1 and capacitor C5；Eight data input pins of the single-chip microcontroller U1
Eight output ends of the matrix keyboard module 101 are connect, the reset of the single-chip microcontroller U1 terminates the output of the reseting module 106
End, the data output end of the single-chip microcontroller U1 connect the input terminal of the display module 105, described in the switch termination of the single-chip microcontroller
The output end of switch module 103, the constant current of the single-chip microcontroller U1 terminate the base stage of the triode Q1, the collection of the triode Q1
Electrode connects input power, and the emitter of the triode Q1 connects the input terminal of the constant flow module 104, the electricity of the single-chip microcontroller U1
Source connects input power, and the capacitor C5 mono- terminates the reference voltage end of the single-chip microcontroller U1, other end ground connection.
The model ATMEGA16 of single-chip microcontroller U1.
Electric torch circuit with calculator function further includes crystal oscillator module 107, the crystal oscillator module 107 include crystal oscillator Y1,
Capacitor C1 and the both ends capacitor C2, the crystal oscillator Y1 meet the end XTAL1 and the end XTAL2 of the single-chip microcontroller U1, the capacitor C1 respectively
The end XTAL1 of the one termination single-chip microcontroller U1, other end ground connection, the capacitor C2 connects the end XTAL2 of the single-chip microcontroller U1, another
End ground connection.
Based on above-mentioned all embodiments, the working principle of the electric torch circuit with calculator function is as follows:
When the switch of 4 × 4 matrix keyboards is pressed, it is corresponding can be to single-chip microcontroller U1 outputting data signals.Single-chip microcontroller U1 is received
And after handling, output is shown to display chip U2.After the completion of multiple input, single-chip microcontroller U1 can be according to the number and four fundamental rules of input
Operation signal carries out arithmetic and exports operation result to show to display chip U2.Adjust the resistance value of adjustable resistance R2, energy
Enough change the contrast of display chip U2 shown.
When pressing lower switch S18 for the first time, i.e. single-chip microcontroller U1 receives the switching signal of switch S18, single-chip microcontroller U1 control for the first time
Constant current chip U3 and constant current chip U4 processed export 250mA electric current, so that lamps and lanterns are in dim light state.Second by lower switch S18
When, single-chip microcontroller U1 control control constant current chip U3 and constant current chip U4 exports 500mA electric current, so that lamps and lanterns are in strong light state.
When third time is pressed and is long-pressing switch S18, the electric current of single-chip microcontroller U1 control control constant current chip U3 and constant current chip U4 output
Lamps and lanterns can be made to be in quick-fried sudden strain of a muscle state, quick-fried sudden strain of a muscle frequency is 1-2Hz.When pressing lower switch S18 the 4th time, single-chip microcontroller U1 control control is permanent
It flows chip U3 and constant current chip U4 and stops output electric current, so that lamps and lanterns extinguish.
The above-mentioned electric torch circuit with calculator function inputs number and arithmetic by the way that matrix keyboard module 101 is arranged
Signal, display mould is given in output after the number and arithmetic signal then inputted by 102 Duis of control module is converted and handled
Block 105 is shown.Meanwhile switch module 103 by control module 102 send switching signal so that control module 102 changes
Become the size of current of constant flow module 104, and then achievees the effect that control lamp brightness and extinguishing.Therefore, above-mentioned band calculator function
The electric torch circuit of energy not only has conventional illumination functions of lighting, and also has calculator function.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of electric torch circuit with calculator function, including the reseting module for reseting data；It is characterized in that, also wrapping
Include for input number and arithmetic signal matrix keyboard module, for control lamps and lanterns light with extinguishing switch module,
Control module, the constant flow module for providing constant current and for showing the matrix keyboard module input signal and the control
The display module of module output signal processed；
The matrix keyboard module includes eight output ends, and eight output ends correspondence of the matrix keyboard module connects the control
Eight data input pins of module；The output of the reseting module terminates the reset terminal of the control module；The constant flow module
Input termination lamps and lanterns anode and the control module constant current end, the output of the constant flow module terminates lamps and lanterns cathode；It is described
The input of display module terminates the data output end of the control module；The power end of the control module, the reseting module
Power end, the display module power supply terminate input power；The output of the switch module terminates the control module
Switch terminals；
The number and arithmetic signal of the input of the matrix keyboard module are after the control module is converted and handled, output
To the display module, the digital numbers and symbols corresponding with arithmetic signal of display module display；The switching molding
Block is used to send switching signal to the control module, and the control module controls the constant flow module according to the switching signal
Size of current, to control the brightness and extinguishing that lamps and lanterns are lighted；The reseting module is used for the data of the control module
It resets；
The control module controls constant flow module by pwm signal；
The size of current for controlling the constant flow module according to the switching signal includes:
When switch module issues switching signal for the first time, the electric current of control module control constant flow module output makes lamps and lanterns issue dim light,
When second of sending switching signal of switch module, the electric current of control module control constant flow module output makes lamps and lanterns issue strong light, opens
When closing module third time sending switching signal, the electric current of control module control constant flow module output makes lamps and lanterns be in quick-fried sudden strain of a muscle state,
When the 4th sending switching signal of switch module, control module controls constant flow module and stops output electric current, and lamps and lanterns extinguish；
The control module includes single-chip microcontroller U1, triode Q1 and capacitor C5；Eight data input pins of the single-chip microcontroller U1 connect
Eight output ends of the matrix keyboard module, the reset of the single-chip microcontroller U1 terminates the output end of the reseting module, described
The data output end of single-chip microcontroller U1 connects the input terminal of the display module, and the switch of the single-chip microcontroller terminates the switch module
Output end, the constant current of the single-chip microcontroller U1 terminate the base stage of the triode Q1, and the collector of the triode Q1 connects input electricity
Source, the emitter of the triode Q1 connect the input terminal of the constant flow module, and the power supply of the single-chip microcontroller U1 terminates input power,
The capacitor C5 mono- terminates the reference voltage end of the single-chip microcontroller U1, other end ground connection.
2. the electric torch circuit according to claim 1 with calculator function, which is characterized in that the reseting module includes
Resistance R1, switch S1, capacitor C3 and capacitor C4；The resistance R1 mono- terminates input power, and the other end is the reseting module
Output end, the capacitor C3 mono- terminate the output end of the reseting module, other end ground connection, the capacitor C4 and the capacitor C3
Parallel connection, the switch S1 are in parallel with the capacitor C3.
3. the electric torch circuit according to claim 1 with calculator function, which is characterized in that the matrix keyboard module
Including 4 × 4 matrix keyboards.
4. the electric torch circuit according to claim 1 with calculator function, which is characterized in that the constant flow module includes
Constant current chip U3 and constant current chip U4；The output end of the output end of the constant current chip U3 and the constant current chip U4 connect lamp simultaneously
The points of common connection of the power end of the cathode of tool, the power end of the constant current chip U3 and the constant current chip U4 is the constant current
The ground terminal of the input terminal of module, the ground terminal of the constant current chip U3 and the constant current chip U4 are grounded.
5. the electric torch circuit according to claim 1 with calculator function, which is characterized in that the switch module includes
Switch S18, the one end switch S18 ground connection, the switch terminals of another termination control module.
6. the electric torch circuit according to claim 1 with calculator function, which is characterized in that the display module includes
The input of display chip U2 and adjustable resistance R2, the display chip U2 terminate the output end of the control module, described adjustable
One end of resistance R2 is grounded, the power end of another termination display chip U2.
7. the electric torch circuit according to claim 1 with calculator function, which is characterized in that it further include crystal oscillator module,
The crystal oscillator module includes the XTAL1 that crystal oscillator Y1, capacitor C1 and the both ends capacitor C2, the crystal oscillator Y1 meet the single-chip microcontroller U1 respectively
End and the end XTAL2, the capacitor C1 mono- terminate the end XTAL1 of the single-chip microcontroller U1, and other end ground connection, the capacitor C2 connects described
The end XTAL2 of single-chip microcontroller U1, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123764.XA CN104955202B (en) | 2014-03-28 | 2014-03-28 | Electric torch circuit with calculator function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123764.XA CN104955202B (en) | 2014-03-28 | 2014-03-28 | Electric torch circuit with calculator function |
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| Publication Number | Publication Date |
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| CN104955202A CN104955202A (en) | 2015-09-30 |
| CN104955202B true CN104955202B (en) | 2019-06-14 |
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| CN201410123764.XA Active CN104955202B (en) | 2014-03-28 | 2014-03-28 | Electric torch circuit with calculator function |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294965A (en) * | 2008-06-19 | 2008-10-29 | 中国科学院力学研究所 | Miniature non-mark protein chip detecting system |
| CN102052568A (en) * | 2009-10-28 | 2011-05-11 | 王家伟 | Electric torch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4444779B2 (en) * | 2004-10-12 | 2010-03-31 | リンナイ株式会社 | Remote control device |
-
2014
- 2014-03-28 CN CN201410123764.XA patent/CN104955202B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294965A (en) * | 2008-06-19 | 2008-10-29 | 中国科学院力学研究所 | Miniature non-mark protein chip detecting system |
| CN102052568A (en) * | 2009-10-28 | 2011-05-11 | 王家伟 | Electric torch |
Non-Patent Citations (1)
| Title |
|---|
| atmega16开发板电路图;645578078;《百度文库》;20120803;图1 |
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