CN105098878A - Driving circuit capable of switching trial mode and normal mode - Google Patents
Driving circuit capable of switching trial mode and normal mode Download PDFInfo
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- CN105098878A CN105098878A CN201510294151.7A CN201510294151A CN105098878A CN 105098878 A CN105098878 A CN 105098878A CN 201510294151 A CN201510294151 A CN 201510294151A CN 105098878 A CN105098878 A CN 105098878A
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Abstract
The invention discloses a driving circuit capable of switching a trial mode and a normal mode. The driving circuit comprises a battery module, a mode switching module, a switch, a micro control unit and a driving module, wherein the battery module is used for outputting a battery voltage for the mode switching module, the micro control module and the driving module which are electrically connected with the battery module; the mode switching module can be operated at the trial mode or the normal mode; the micro control unit is connected to the mode switching mode so as to detect and generate a control signal according to the operation mode of the mode switching module and drives a load through the driving module; and the micro control unit is used for detecting the mode of the mode switching module and can be used for closing load power supply in the trial mode, so that electric energy is saved, and electric energy waste is avoided.
Description
Technical field
The present invention relates to a kind of drive circuit, particularly relate to the drive circuit of a kind of changeable trial mode and normal mode.
Background technology
Electronic installation on the market now, mostly by a switch open or cut out this electronic installation.For example, a light switch is used to open or cut out an electric light, and when opening electric light through light switch, namely this electric light starts working luminescence.
When lamp device is peddled in sales field, sales field can provide a lamp device to try out, to experience the illumination effect of lamp device for consumer as exhibit.But consumer easily forgets powered-down after on probation, make this lamp device continue to open, thus, just can cause the waste of electric energy.
Summary of the invention
In view of the electronic installation of prior art is in time being positioned over sales field and trying out for consumer, consumer easily forgets that powered-down causes the shortcoming of waste of energy, the invention provides the drive circuit of a kind of changeable trial mode and normal mode, make one to be suitable for electronic installation of the present invention to switch between trial mode and normal mode, and can powered-down when trial mode, to avoid waste of energy.
For achieving the above object, the drive circuit of changeable trial mode provided by the present invention and normal mode includes:
One battery module, has an output, to export a cell voltage;
One mode switch module, can operate in a trial mode and a normal mode;
One switch, is electrically connected between this mode switch module and an earth terminal;
One micro control unit, be electrically connected to output and this mode switch module of this battery module, and there is a sense terminals, a control signal output and a power end, wherein this sense terminals is electrically connected to this mode switch module, trial mode or normal mode is operated in detect this mode switch module, this power end is electrically connected to the output of this battery module to receive this cell voltage, and this micro control unit produces a control signal according to the pattern of this mode switch module operation and exported by this control signal output;
One driver module, is electrically connected to the control signal output of this micro control unit and the output of this battery module, to receive the control signal that this micro control unit exports, and drives a load according to this control signal;
When this mode switch module operates in trial mode, this micro control unit drives this load through this driver module when this switch conduction, and closes this load through this driver module when this switch not conducting.
Compared with prior art, through this mode switch module under this trial mode and this normal mode, export different voltage respectively to this micro control unit, whether the voltage making this micro control unit receive according to its sense terminals, export this control signal and make this battery module drive a load to control this driver module.By this, it is on probation or normally for user that the present invention just has two kinds of different patterns, electronic installation i.e. this load is shown in exhibition, this mode switch module operates in trial mode, try out for consumer, after consumer is on probation, this electronic installation can be closed, to save electric energy, avoid waste of energy.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of present pre-ferred embodiments.
Fig. 2 is the circuit diagram of present pre-ferred embodiments.
Fig. 3 is the current diagram before present pre-ferred embodiments switch under trial mode is not pressed.
Fig. 4 is the current diagram after present pre-ferred embodiments switch under trial mode is pressed.
Fig. 5 is the current diagram before present pre-ferred embodiments switch under normal mode is not pressed.
Fig. 6 is the current diagram after present pre-ferred embodiments switch under normal mode is pressed.
In figure, each description of reference numerals is as follows:
10 battery module 11 outputs
12 battery pack
20 mode switch module 21 partial pressure unit
22 switch unit 221 sockets
222 plugs
30 switches
40 micro control unit
50 driver elements
60 loads
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
Refer to shown in Fig. 1, the present invention is the drive circuit of a changeable trial mode and normal mode, includes battery module 10, mode switch module 20, switch 30, micro control unit 40 and a driver module 50.
See also shown in Fig. 2, battery module 10 has an output 11, to export a cell voltage.Mode switch module 20 is electrically connected to the output 11 of battery module 10 to receive this cell voltage, and can operate in a trial mode or a normal mode.When mode switch module 20 is in trial mode, export one first voltage, and when mode switch module 20 is in normal mode, export one second voltage, the first voltage is not equal to the second voltage.Switch 30 is electrically connected between mode switch module 20 and an earth terminal.
Micro control unit 40 has a power end pin1, an a control signal output end p in2 and sense terminals pin7.Power end pin1 is electrically connected to the output 11 of battery module 10 to receive cell voltage, provides the electric power of micro control unit 40 normal operation.Sense terminals pin7 is electrically connected to mode switch module 20, the first voltage of handover module 20 output in a receiving mode or the second voltage, and according to the magnitude of voltage that sense terminals pin7 receives, exports one control signal to driver module 50 through control signal output end p in2.
Driver module 50 is electrically connected to the control signal output end p in2 of micro control unit 40 and the output 11 of battery module 10, to receive the control signal that micro control unit 40 exports, and drives a load 60 according to control signal.
When micro control unit 40 receives the first voltage, micro control unit 40 drives load 60 through driver module 50 when switch 30 conducting, and closes load 60 through driver module 50 when switch 30 not conducting; When micro control unit 40 receives this second voltage, micro control unit 40 be detection switch 30 by after open circuit, conducting, again open circuit, drive load 60 through driver module 50.
Because the drive circuit of changeable trial mode of the present invention and normal mode can export the first voltage or the second voltage according to mode switch module 20 respectively at different mode, what micro control unit 40 just can judge that its sense terminals pin7 receives according to scanning is the first voltage or the second voltage, be confirmed to be and will drive load 60 with trial mode, still drive load 60 in the normal mode.Therefore, when an electronic product uses the drive circuit of changeable trial mode of the present invention and normal mode, the pattern of electronic product can be switched freely.Need when this electronic product is shown in exhibition, the pattern being switched electronic product by exhibition personnel is trial mode, makes mode switch module 20 operate in trial mode to export this first voltage, for consumer through switch 30 unlocking electronic product beta test.After consumer is on probation, no matter whether consumer remembers to close electronic product, all can close closing electronic device to save electric energy.
Furthermore, mode switch module 20 has partial pressure unit 21 and a switch unit 22.Partial pressure unit 21 has one first resistance R1, one second resistance R2, one the 3rd resistance R3 and the 4th resistance R4.Second resistance R2 is connected between the first resistance R1 and the 3rd resistance R3, makes the first resistance R1, the second resistance R2 and the 3rd resistance R3 mutually connect.One end that first resistance R1 is not connected with the second resistance R2 is connected to the output 11 of battery module 10, to receive cell voltage.The contact of the second resistance R2 and the 3rd resistance R3 series connection is connected to switch unit 22.One end that 3rd resistance R3 is not connected with the second resistance R2 is connected to switch 30 further, and is connected to the sense terminals pin7 of micro control unit 40.Therefore switch 30 is through the sense terminals pin7 that mode switch module 20 is connected to micro control unit 40 indirectly.4th resistance R4 is then connected between contact that the first resistance R1 is connected with the second resistance R2 and one end that the 3rd resistance R3 is not connected with the second resistance R2, namely the 4th resistance R4 be and the second resistance R2 connected and the 3rd resistance R3 in parallel.
Switch unit 22 comprises socket 221 and a plug 222, when socket 221 and plug 222 in conjunction with time, the contact ground connection that switch unit 22 provides a grounding path to be connected with the 3rd resistance R3 for the second resistance R2.When socket 221 and plug 222 in conjunction with time, switch unit 22 connects for sky, i.e. open circuit, the contact making the second resistance R2 be connected with the 3rd resistance R3 is earth-free.In this preferred embodiment, socket 221 and plug 222 are a JACK power connector, this JACK power connector has a JACK plug and a JACK socket, when this JACK plug and this JACK socket in conjunction with time, namely mode switch module 20 produces the first voltage and exports micro control unit 40 to, and meaning and mode switch module 20 are under being in trial mode.When this JACK plug not with this JACK socket in conjunction with time, namely mode switch module 20 produces the second voltage and exports micro control unit 40 to, and meaning and mode switch module 20 are under being in normal mode.
The control signal that driver module 50 exports according to micro control unit 40 drives load 60.Driver module 50 has one the 5th resistance R5, a first transistor Q1, one a 6th resistance R6 and transistor seconds Q2.In this preferred embodiment, the first transistor Q1 is bipolar transistor (BJT), transistor seconds Q2 is a metal oxide semiconductcor field effect transistor (MOSFET).
The first transistor Q1 has a collector (collector), an emitter-base bandgap grading (emitter) and a base stage (base).Transistor seconds Q2 has a drain (drain), one source pole (source) and a gate (gate).5th resistance R5 is connected between the control signal output end p in2 of micro control unit 40 and the base stage of the first transistor Q1.The emitter grounding of the first transistor Q1, and the collector of the first transistor Q1 is connected to the gate of transistor seconds Q2.6th resistance is connected between the drain of transistor seconds Q2 and the gate of transistor seconds Q2.The drain of transistor seconds Q2 is connected to the output 11 of battery module 10 to receive cell voltage.
Refer to shown in Fig. 3, in this preferred embodiment, switch 30 is a push switch, and in time pressing, meeting conducting ground connection, can automatically spring open and form open circuit in time not pressing.When switch unit 22 socket and plug in conjunction with time, under namely mode switch module 20 is in trial mode, switch unit 22 provides a grounding path.The cell voltage that the output 11 of battery module 10 provides forms one first current circuit through this first ~ four resistance R1 ~ R4, and produces the sense terminals pin7 that the first voltage exports micro control unit 40 to.First current circuit is the electric current exported by the output 11 of this battery module 10, after flowing through the first resistance R1, shunting is to flow through the second resistance R2 respectively, and the 4th resistance R4 connected in the first current circuit and the 3rd resistance R3, be connected to contact through the second resistance R2 and the 3rd resistance R3 and be connected to switch unit 22, form the first current circuit with the grounding path provided through switch unit 22.
When the sense terminals pin7 of micro control unit 40 detects the first voltage, micro control unit 40 produces control signal in the mode of trial mode, in order to drive load 60.
See also shown in Fig. 4, for example, after micro control unit 40 sense switch 30 is pressed, due to switch 30 press after can conducting ground connection, and switch 30 is the sense terminals pin7 being connected to micro control unit 40, therefore sense terminals pin7 ground connection, and when the sense terminals pin7 of micro control unit 40 changes into an earthed voltage by the first voltage, micro control unit 40 produces a high-voltage signal to driver module 50, to drive load 60 through driver module 50.In this preferred embodiment, load 60 is a LED light string.Therefore when micro control unit 40 produces high-voltage signal to driver module 50, the base stage of the first transistor Q1 receives high-voltage signal and makes conducting between its emitter-base bandgap grading and collector, and the electric energy that the output 11 of battery module 10 provides just can flow through the 6th resistance R6 and the first transistor Q1 and form current circuit.Produce cross-pressure because the 6th resistance R6 has electric current to flow through, and then make drain and the source conduction of transistor seconds Q2, make the cell voltage of the output 11 of battery module 10 can be supplied to load 60 and try out for user.
In sum, sense terminals pin7 due to micro control unit 40 detects the first voltage, therefore micro control unit 40 operates in trial mode, when switch 30 is pressed and after conducting ground connection, the voltage that the output 11 making load 60 receive battery module 10 provides and luminous, to decontrol when switch 30 and after forming open circuit, the cell voltage that the output 11 making load 60 cannot receive battery module 10 provides and cannot operating.
Refer to shown in Fig. 5, when switch unit 22 socket and plug in conjunction with time, namely mode switch module 20 is under being in normal mode, and switch unit 22 forms open circuit.Therefore the second ~ four resistance R2 ~ R4 does not all have electric current to flow through, make the voltage of the voltage of the sense terminals pin7 of micro control unit 40 equivalent first resistance R1 and this second resistance R2 series connection contact, i.e. the second voltage, and different from this first voltage.
See also shown in Fig. 5, Fig. 6, when micro control unit 40 detect this switch 30 press after and decontrol, due to switch 30 press after can conducting ground connection, and switch 30 is the sense terminals pin7 being connected to micro control unit 40, therefore sense terminals pin7 ground connection, and when the sense terminals pin7 of micro control unit 40 changes into earthed voltage by the second voltage, then when changing back the second voltage by earthed voltage, micro control unit 40 produces one first and controls signal to driver module 50, to drive load 60 through driver module 50.In this preferred embodiment, load 60 is a lamp device, and when micro control unit 40 receives the second voltage and under operating in normal mode, micro control unit 40 detects this switch 30 by open circuit, conducting, open circuit second again time rear (namely often press a switch 30 and be just switched to different patterns), drives lamp device in permanent " shut " mode", permanent open mode, flash pattern through driver module 50, switch between " shut " mode" after the very first time.
For example, load 60 is a LED light string.Therefore control signal to driver module 50 when micro control unit 40 produces first, the cell voltage of the output 11 of battery module 10 can be made to be supplied to load 60 for user's normal luminous.And under operating in normal mode, micro control unit 40 is after pressing switch 30 according to this user and decontrols, and drives load 60 respectively with different control signals.After user presses switch 30 and decontrol first time, load 60 changes permanent bright luminescence into by closedown, and after user's second time is pressed switch 30 and decontroled, load 60 becomes flashing from the bright illuminating rotary of perseverance, and after user presses switch 30 in third time and decontrols, load 60 is changed into after luminous 15 minutes by flashing closes, and when user is in pressing switch 30 the 4th time and after decontroling, load 60 changes direct closedown into by closing after luminous 15 minutes.
Furthermore, battery module 10 has a battery pack 12 to provide electric energy.In addition, battery module 10 also can not have battery pack 12, but provides electric energy by mode switch module 20.When being provided electric energy by mode switch module 20, switch unit 22 is the outputs 11 being connected to battery module 10, and the switch unit 20 of mode switch module 20 is JACK power connector.JACK socket can connect for a JACK attaching plug, JACK attaching plug is a power supply changeover device, civil power can be received, and the electric energy provided by civil power is converted to the direct current with cell voltage, in order to provide JACK socket electric energy, namely switch unit 22 has electric energy, to provide electric energy to micro control unit 40 and driver element 50 further through the output 11 of battery module 10.When JACK socket connects JACK attaching plug, battery module 10 can't help battery pack 12 provides electric energy, when meaning and battery module 10 do not have battery pack 12, is through switch unit 22 and receives cell voltage that civil power converts to provide electric energy.And now, because this switch unit 22 provides cell voltage, and grounding path cannot be provided, also would not form the first current circuit, therefore the present invention is under being in normal mode consistently.
Therefore, switch unit 22 can not only be used for the switching between trial mode and normal mode, and when battery module 10 does not have battery pack 12, also can receive through switch unit 22 cell voltage that civil power converts to, in order to supply the output 11 of this battery module 10, and provide electric energy to micro control unit 40 and driver element 50 further, operate under normal mode to maintain the present invention.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a drive circuit for changeable trial mode and normal mode, is characterized in that, comprising:
One battery module, has an output, to export a cell voltage;
One mode switch module, can operate in a trial mode and a normal mode;
One switch, is electrically connected between described mode switch module and an earth terminal;
One micro control unit, be electrically connected to the output of described battery module and described mode switch module, and there is a sense terminals, a control signal output and a power end, wherein said sense terminals is electrically connected to described mode switch module, described trial mode or described normal mode is operated in detect described mode switch module, described power end is electrically connected to the output of described battery module to receive described cell voltage, and described micro control unit produces a control signal according to the pattern that described mode switch module operates and exported by described control signal output;
One driver module, is electrically connected to the output of described control signal output and described battery module, to receive the control signal that described micro control unit exports, and drives a load according to described control signal;
When described mode switch module operates in described trial mode, described micro control unit drives described load through described driver module when described switch conduction, and closes described load through described driver module when described switch not conducting.
2. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, it is characterized in that, when described mode switch module operates in described normal mode, described micro control unit detects described switch by after open circuit, conducting, again open circuit, drives described load through described driver module.
3. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, it is characterized in that, described mode switch module is electrically connected to the output of described battery module to receive described cell voltage, one first voltage is exported when described mode switch module is in described trial mode, and export one second voltage when described normal mode, and described first voltage is not equal to described second voltage.
4. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, is characterized in that, described mode switch module comprises:
One partial pressure unit, includes:
One first resistance, one end is connected to the output of described battery module, to receive described cell voltage;
One second resistance, one end is connected to one end that described first resistance is not connected with described battery module;
One the 3rd resistance, one end is connected to one end that described second resistance is not connected with described first resistance, and the other end is connected to described switch; And
One the 4th resistance, is connected to contact that described first resistance is connected with described second resistance and one end that described 3rd resistance is not connected with described second resistance; And
One switch unit, be connected to the contact that described 3rd resistance is connected with described second resistance, and include a socket and a plug, when described socket and described plug in conjunction with time, the contact ground connection that described switch unit provides a grounding path to be connected with described 3rd resistance for described second resistance; When described socket and described plug in conjunction with time, described switch unit sky connects, and the contact making described second resistance be connected with described 3rd resistance is earth-free.
5. the drive circuit of changeable trial mode as claimed in claim 4 and normal mode, is characterized in that, the socket of described switch unit and plug are a JACK power connector.
6. the drive circuit of changeable trial mode as claimed in claim 4 and normal mode, is characterized in that, described socket is connected to the output of described battery module further;
Described socket connects for an attaching plug, described attaching plug receives a civil power, and the electric energy provided by civil power is converted to the direct current with described cell voltage, in order to provide electric energy to described micro control unit and described driver element further through the output of described socket and described battery module.
7. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, is characterized in that, described driver module includes:
One the 5th resistance, one end is connected to the control signal output of described micro control unit;
One the first transistor, has a collector, an emitter-base bandgap grading and a base stage, described emitter grounding, and described base stage is connected to one end that described 5th resistance is not connected with described micro control unit;
One transistor seconds, has a drain, one source pole and a gate, and described drain is connected to the output of described battery module to receive described cell voltage, and described gate is connected to the collector of described the first transistor; And
One the 6th resistance, between the drain being connected to described transistor seconds and gate.
8. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, is characterized in that, described switch is a push switch, conducting ground connection in time pressing, in time not pressing, form open circuit.
9. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, is characterized in that, described battery module includes a battery pack further to provide electric energy.
10. the drive circuit of changeable trial mode as claimed in claim 1 and normal mode, is characterized in that, described load is a lamp device;
When described mode switch module operates in normal mode, described micro control unit detects described switch by after open circuit, conducting, open circuit second again time, drives described lamp device in permanent " shut " mode", permanent open mode, flash pattern through described driver module, switches between " shut " mode" after a very first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294151.7A CN105098878B (en) | 2015-06-01 | 2015-06-01 | The driving circuit of changeable trial mode and normal mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294151.7A CN105098878B (en) | 2015-06-01 | 2015-06-01 | The driving circuit of changeable trial mode and normal mode |
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| Publication Number | Publication Date |
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| CN105098878A true CN105098878A (en) | 2015-11-25 |
| CN105098878B CN105098878B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510294151.7A Expired - Fee Related CN105098878B (en) | 2015-06-01 | 2015-06-01 | The driving circuit of changeable trial mode and normal mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107370211A (en) * | 2017-08-15 | 2017-11-21 | 宁夏黑金昊源绿能科技有限公司 | voltage switching output device and method |
| CN114123423A (en) * | 2021-12-01 | 2022-03-01 | 广东汇天航空航天科技有限公司 | Control circuit and control method |
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| CN101064481A (en) * | 2006-04-29 | 2007-10-31 | 英业达股份有限公司 | Power supply control system |
| CN102737492A (en) * | 2012-07-09 | 2012-10-17 | 江苏黄金屋教育咨询有限公司 | Multifunctional remote controller for instructional interaction |
| CN102841809A (en) * | 2011-06-22 | 2012-12-26 | 联想(北京)有限公司 | Information processing method and device, mode switching method and terminal equipment |
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2015
- 2015-06-01 CN CN201510294151.7A patent/CN105098878B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101064481A (en) * | 2006-04-29 | 2007-10-31 | 英业达股份有限公司 | Power supply control system |
| CN102841809A (en) * | 2011-06-22 | 2012-12-26 | 联想(北京)有限公司 | Information processing method and device, mode switching method and terminal equipment |
| CN102737492A (en) * | 2012-07-09 | 2012-10-17 | 江苏黄金屋教育咨询有限公司 | Multifunctional remote controller for instructional interaction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107370211A (en) * | 2017-08-15 | 2017-11-21 | 宁夏黑金昊源绿能科技有限公司 | voltage switching output device and method |
| CN114123423A (en) * | 2021-12-01 | 2022-03-01 | 广东汇天航空航天科技有限公司 | Control circuit and control method |
| CN114123423B (en) * | 2021-12-01 | 2023-11-03 | 广东汇天航空航天科技有限公司 | Control circuit and control method for movable body with multiple driving modes |
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| CN105098878B (en) | 2018-09-11 |
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Granted publication date: 20180911 Termination date: 20200601 |