CN105098878B - The driving circuit of changeable trial mode and normal mode - Google Patents
The driving circuit of changeable trial mode and normal mode Download PDFInfo
- Publication number
- CN105098878B CN105098878B CN201510294151.7A CN201510294151A CN105098878B CN 105098878 B CN105098878 B CN 105098878B CN 201510294151 A CN201510294151 A CN 201510294151A CN 105098878 B CN105098878 B CN 105098878B
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- mode
- module
- switch
- normal mode
- control unit
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Abstract
The invention discloses a kind of driving circuits of changeable trial mode and normal mode, include a battery module, a mode switch module, a switch, a micro control unit and a drive module；The battery module uses to export a cell voltage for the mode switch module, the micro control unit and the drive module being connected electrically；The mode switch module is operable in a trial mode and a normal mode；The micro control unit is connected to the mode switch module to detect and generate a control signal according to the pattern of the mode switch module operation, and passes through one load of drive module driving；The micro control unit detects the pattern of the mode switch module, and load power source supply can be closed under trial mode, to save electric energy, avoids waste of energy.
Description
Technical field
The present invention relates to a kind of a kind of driving of driving circuit more particularly to changeable trial mode and normal mode electricity
Road.
Background technology
Electronic device on the market now is mostly turned on and off the electronic device by one.For example, an electric light
Switch is for being turned on and off an electric light, and when opening electric light by light switch, which starts to work and shine.
When lamp device is peddled in sales field, sales field can provide a lamp device and be tried out for consumer as exhibit,
To experience the illumination effect of lamp device.However, consumer is easy to forget to close power supply after on probation, make the lamp device
It is lasting to open, thus, which the waste of electric energy will be caused.
Invention content
In view of the prior art electronic device when being positioned over sales field and being tried out for consumer, consumer is easy to forget to close electricity
Source is caused the shortcomings that waste of energy, and the present invention provides a kind of driving circuit of changeable trial mode and normal mode, enables one to fit
It can be switched between trial mode and normal mode with the electronic device of the present invention, and power supply can be closed when trial mode, to keep away
Exempt from waste of energy.
To achieve the above object, the driving circuit of changeable trial mode provided by the present invention and normal mode includes
Have：
One battery module has an output end, to export a cell voltage；
One mode switch module is operable in a trial mode and a normal mode；
One switch, is electrically connected between the mode switch module and a ground terminal；
One micro control unit, is electrically connected to the output end and the mode switch module of the battery module, and with a sensing end,
One control signal output and a power end, wherein the sensing end are electrically connected to the mode switch module, are cut with detecting the pattern
Mold changing block operates in trial mode or normal mode, which is electrically connected to the output end of the battery module to receive the battery
Voltage, the micro control unit are defeated by the control signal output according to one control signal of the pattern of mode switch module operation generation
Go out；
One drive module is electrically connected to the control signal output of the micro control unit and the output end of the battery module, with
The control signal of micro control unit output is received, and according to one load of control signal driving；
When the mode switch module operates in trial mode, which passes through the drive module when switch conduction
The load is driven, and the load is closed by the drive module when switch is not turned on.
Compared with prior art, it is exported respectively under the trial mode and the normal mode by the mode switch module
Different voltage enables the micro control unit sense the voltage that end is received according to it, exports the control signal to the micro control unit
Control whether the drive module enables one load of battery module driving.Thereby, the present invention just have two kinds of different patterns for
Family is tried out or normal use, shows the electronic device i.e. load in exhibition, which operates in trial mode, for disappearing
The person of expense is on probation, after consumer is on probation, can close the electronic device, to save electric energy, avoid waste of energy.
By description below and in conjunction with attached drawing, the present invention will become more fully apparent, these attached drawings are for explaining the present invention
Embodiment.
Description of the drawings
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 current diagram of the present pre-ferred embodiments before trial mode lower switch is not pressed.
Fig. 4 is current diagram of the present pre-ferred embodiments after trial mode lower switch is pressed.
Fig. 5 is current diagram of the present pre-ferred embodiments before normal mode lower switch is not pressed.
Fig. 6 is current diagram of the present pre-ferred embodiments after normal mode lower switch is pressed.
It is each in figure that the reference numerals are as follows：
10 battery module, 11 output end
12 battery packs
20 mode switch module, 21 partial pressure unit
22 switch unit, 221 socket
222 plugs
30 switches
40 micro control units
50 driving units
60 loads
Specific implementation mode
The embodiment of the present invention described referring now to the drawings, similar element numbers represent similar element in attached drawing.
Refering to Figure 1, the present invention is the driving circuit of a changeable trial mode and normal mode, include an electricity
Pond module 10, a mode switch module 20, a switch 30, a micro control unit 40 and a drive module 50.
Shown in Fig. 2, battery module 10 has an output end 11, to export a cell voltage.Pattern switching
Module 20 is electrically connected to the output end 11 of battery module 10 to receive the cell voltage, and is operable in a trial mode or one just
Norm formula.When mode switch module 20 is in trial mode, a first voltage is exported, and when mode switch module 20 is in normal mode
When formula, a second voltage is exported, first voltage is not equal to second voltage.Switch 30 is electrically connected to mode switch module 20 and is connect with one
Between ground terminal.
Micro control unit 40 has a power end pin1, a control signal output pin2 and a sensing end pin7.Power supply
The output end 11 that end pin1 is electrically connected to battery module 10 provides the electricity of 40 normal operation of micro control unit to receive cell voltage
Power.Sensing end pin7 is electrically connected to mode switch module 20, the first voltage or second that handover module 20 exports in a receiving mode
Voltage, and the voltage value received according to sensing end pin7 pass through one control signal of control signal output pin2 outputs to drive
Dynamic model block 50.
Drive module 50 is electrically connected to the control signal output pin2 of micro control unit 40 and the output end of battery module 10
11, to receive the control signal of the output of micro control unit 40, and according to one load 60 of control signal driving.
When micro control unit 40 receives first voltage, micro control unit 40 is driven when switch 30 is connected by drive module 50
Dynamic load 60, and load 60 is closed by drive module 50 when switch 30 is not turned on；When micro control unit 40 receive this second
When voltage, micro control unit 40 is detection switch 30 by open circuit, conducting, again after open circuit, passes through the driving of drive module 50 load 60.
Since the changeable trial mode of the present invention and the driving circuit of normal mode are divided according to mode switch module 20
First voltage or second voltage can not be exported in different mode, micro control unit 40 can judge that it senses end pin7 and connects according to scanning
What is received is first voltage or second voltage, and confirmation is to drive load 60 with trial mode, and still driving is negative in the normal mode
Carry 60.It therefore, can be free when driving circuit of the electronic product using changeable trial mode and normal mode of the invention
Switching electronic product pattern.It needs when exhibition shows the electronic product, switches the pattern of electronic product by exhibition personnel
For trial mode, so that mode switch module 20 is operated in trial mode to export the first voltage, pass through switch 30 for consumer
It is on probation to open electronic product.After consumer is on probation, no matter whether consumer remembers to close electronic product, can all close electricity
Sub-device is to save electric energy.
Furthermore, mode switch module 20 has a partial pressure unit 21 and a switch unit 22.Partial pressure unit 21 has
There are a first resistor R1, a second resistance R2, a 3rd resistor R3 and one the 4th resistance R4.Second resistance R2 is connected to the first electricity
Between hindering R1 and 3rd resistor R3, first resistor R1, second resistance R2 and 3rd resistor R3 is enabled to be serially connected.First resistor R1 is not
The output end 11 of battery module 10 is connected to the one end connecting second resistance R2, to receive cell voltage.Second resistance R2 and
The contact of 3rd resistor R3 series connection is connected to switch unit 22.One end that 3rd resistor R3 is not connect with second resistance R2 is further
It is connected to switch 30, and is connected to the sensing end pin7 of micro control unit 40.Therefore switch 30 is by between mode switch module 20
It is connected to the sensing end pin7 of micro control unit 40 in succession.4th resistance R4 is then connected to first resistor R1 and connect it with second resistance R2
Between one end that contact and 3rd resistor R3 are not connect with second resistance R2, i.e., the 4th resistance R4 is and concatenated second resistance
R2 and 3rd resistor R3 are in parallel.
Switch unit 22 includes a socket 221 and a plug 222, when socket 221 and the combination of plug 222, switch unit
22 one grounding paths of offer are grounded for the contact that second resistance R2 is connect with 3rd resistor R3.When socket 221 and plug 222 are not tied
When conjunction, switch unit 22 connects for sky, i.e., breaking, enables the contact that second resistance R2 is connect with 3rd resistor R3 earth-free.This compared with
In good embodiment, socket 221 and plug 222 are a JACK power connectors, which has a JACK plugs
And JACK sockets, when the JACK plugs are combined with the JACK sockets, mode switch module 20 generates first voltage output
To micro control unit 40, imply that mode switch module 20 is under trial mode.When the JACK plugs not with the JACK socket knots
When conjunction, mode switch module 20 generates second voltage and exports to micro control unit 40, implies that mode switch module 20 is in just
Under norm formula.
The control signal driving load 60 that drive module 50 is exported according to micro control unit 40.Drive module 50 has one the 5th
Resistance R5, a first transistor Q1, one the 6th resistance R6 and a second transistor Q2.In the preferred embodiment, first crystal
Pipe Q1 is bipolar transistor (BJT), and second transistor 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).Second
Transistor Q2 has a drain (drain), a source electrode (source) and a gate (gate).5th resistance R5 is connected to micro-control list
Between the control signal output pin2 and the base stage of the first transistor Q1 of member 40.The emitter grounding of the first transistor Q1, and the
The collector of one transistor Q1 is connected to the gate of second transistor Q2.6th resistance is connected to the drain and of second transistor Q2
Between the gate of two-transistor Q2.The drain of second transistor Q2 is connected to the output end 11 of battery module 10 to receive battery electricity
Pressure.
It please refers to shown in Fig. 3, in the preferred embodiment, for one, by compressing switch, ground connection can be connected in switch 30 when pressing,
It can be automatically springed open when not pressing and form open circuit.When the socket and plug of switch unit 22 combines, i.e. mode switch module
20 under trial mode, and switch unit 22 provides a grounding path.The cell voltage of 11 offer of output end of battery module 10
Form one first current loop by the first~the 4th resistance R1~R4, and generate first voltage export to micro control unit 40 it
Sense end pin7.First current loop is the electric current exported by the output end 11 of the battery module 10, after flowing through first resistor R1,
Shunting is led to flowing separately through second resistance R2, and the concatenated 4th resistance R4 and 3rd resistor R3 in the first current loop
It crosses second resistance R2 and 3rd resistor R3 and is connected to contact and be connected to switch unit 22, with the ground connection provided by switch unit 22
Path forms the first current loop.
When the sensing end pin7 of micro control unit 40 detects first voltage, micro control unit 40 is in a manner of trial mode
Control signal is generated, to drive load 60.
Shown in Fig. 4, for example, after 40 detection switch 30 of micro control unit is pressed, since switch 30 is pressed
Ground connection can be connected after lower, and switch 30 is to be connected to the sensing end pin7 of micro control unit 40, therefore sense end pin7 ground connection, and work as
When the sensing end pin7 of micro control unit 40 changes into a ground voltage by first voltage, micro control unit 40 generates a high-voltage signal extremely
Drive module 50, to pass through the driving of drive module 50 load 60.In the preferred embodiment, load 60 is a LED light lamp
String.Therefore when micro control unit 40 generates high-voltage signal to drive module 50, the base stage of the first transistor Q1 receives high pressure letter
Number so that be connected between its emitter-base bandgap grading and collector, and the electric energy of 11 offer of output end of battery module 10 will flow through the 6th resistance R6
And the first transistor Q1 and form current loop.Since the 6th resistance R6 has electric current to flow through and cross-pressure is generated, and then makes the second crystalline substance
The drain and source conduction of body pipe Q2 enables the cell voltage of the output end 11 of battery module 10 that can supply to load 60 and is tried for user
With.
In conclusion since the sensing end pin7 of micro control unit 40 detects first voltage, therefore micro control unit 40 is operation
In trial mode, when switch 30 is pressed after ground connection is connected, load 60 is enabled to receive the electricity of 11 offer of output end of battery modules 10
It presses and shines, after switch 30 is decontroled and forms open circuit, order loads the output end 11 that 60 can not receive battery module 10 and provides
Cell voltage and can not operate.
It please refers to shown in Fig. 5, when the socket and plug of switch unit 22 is unbonded, i.e., mode switch module 20 is to be in
Under normal mode, switch unit 22 forms open circuit.Therefore the second~the 4th resistance R2~R4 does not have electric current to flow through so that micro-control list
The voltage of the sensing end pin7 of member 40 is equal to the voltage of first resistor R1 and second resistance R2 series connection contacts, i.e. second voltage,
And it is different from the first voltage.
Shown in Fig. 5, Fig. 6, when micro control unit 40 detect the switch 30 press after and decontrol, due to switch 30
Can be connected ground connection after pressing, and switch 30 be connected to the sensing end pin7 of micro control unit 40, therefore sense end pin7 ground connection, and
When the sensing end pin7 of micro control unit 40 changes into ground voltage by second voltage, then second voltage is changed back by ground voltage
When, micro control unit 40 generates a first control signal to drive module 50, to pass through the driving of drive module 50 load 60.This compared with
In good embodiment, load 60 is a lamp device, and when micro control unit 40 receives second voltage and operates under normal mode,
Micro control unit 40 is to detect the switch 30 (i.e. once switch 30 switches to not for often pressing by open circuit, conducting, after open circuit is primary again
With pattern), drive lamp device when permanent close pattern, permanent open mode, flash pattern, one first by drive module 50
Between after switch between close pattern.
For example, load 60 is a LED light string.Therefore when micro control unit 40 generates first control signal extremely
Drive module 50, you can the cell voltage of the output end 11 of battery module 10 is enabled to supply to load 60 for user's normal luminous.And
When operating under normal mode, micro control unit 40 is according to the user by after lower switch 30 and decontroling, respectively with different control
Signal driving load 60.After user presses lower switch 30 for the first time and decontrols, load 60 is changed into permanent brighten the hair light by closing, and
In user second by lower switch 30 and after decontroling, load 60 is changed into flashing by permanent brighten the hair light, and when user in
By lower switch 30 and after decontroling, load 60 is changed by flashing after luminous 15 minutes closes third time, when user in
After 4th time by lower switch 30 and relieving, load 60 is changed into direct closing by being closed after shining 15 minutes.
Furthermore, battery module 10 has a battery pack 12 to provide electric energy.In addition, battery module 10 can not also have
There is battery pack 12, but electric energy is provided by mode switch module 20.When providing electric energy by mode switch module 20, switch unit
22 be to be connected to the output end 11 of battery module 10, and the switch unit 20 of mode switch module 20 is JACK power connectors.
JACK sockets connect for a JACK attaching plugs, and JACK attaching plugs are a power supply changeover device, can receive alternating current, and by alternating current
The electric energy of offer is converted to the direct current with cell voltage, and to provide JACK socket electric energy, i.e. switch unit 22 has electricity
Can, electric energy is further provided for micro control unit 40 and driving unit 50 with the output end 11 by battery module 10.When JACK is inserted
When seat connection JACK attaching plugs, battery module 10 does not provide electric energy by battery pack 12, implies that battery module 10 does not have battery
It is that the cell voltage that alternating current is converted into is received by switch unit 22 to provide electric energy when group 12.And at this point, due to the switching list
Member 22 is provided for cell voltage, and can not provide grounding path, would not also form the first current loop, therefore the present invention is
Consistently it is under normal mode.
Therefore, switch unit 22 can be used not only for the switching between trial mode and normal mode, and work as battery module 10
When without battery pack 12, also the cell voltage that alternating current is converted into can be received by switch unit 22, to supply the battery mould
The output end 11 of block 10, and electric energy is further provided for micro control unit 40 and driving unit 50, to maintain the present invention in normal mode
It is operated under formula.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technology according to the present invention is real
Any simple modification, equivalent change and modification made by confrontation above example still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of driving circuit of changeable trial mode and normal mode, which is characterized in that including：
One battery module has an output end, to export a cell voltage；
One mode switch module is operable in a trial mode and a normal mode；
One switch, is electrically connected between the mode switch module and a ground terminal；
One micro control unit, is electrically connected to the output end of the battery module and the mode switch module, and with a sensing end,
One control signal output and a power end, wherein the sensing end is electrically connected to the mode switch module, described in detection
Mode switch module operates in the trial mode or the normal mode, and the power end is electrically connected to the battery module
For output end to receive the cell voltage, the micro control unit generates a control according to the pattern that the mode switch module operates
Signal is exported by the control signal output；
One drive module is electrically connected to the output end of the control signal output and the battery module, described micro- to receive
The control signal of unit output is controlled, and according to one load of control signal driving；
When the mode switch module operates in the trial mode, the micro control unit is when the switch conduction by described
Drive module drives the load, and closes the load by the drive module when switch is not turned on.
2. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that when the mould
When formula handover module operates in the normal mode, the micro control unit detecting switch by open circuit, conducting, again after open circuit,
The load is driven by the drive module.
3. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that the pattern
Handover module is electrically connected to the output end of the battery module to receive the cell voltage, when the mode switch module is in institute
A first voltage is exported when stating trial mode, and exports a second voltage when normal mode, and the first voltage is not
Equal to the second voltage.
4. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that the pattern
Handover module includes：
One partial pressure unit includes：
One first resistor, one end are connected to the output end of the battery module, to receive the cell voltage；
One second resistance, one end are connected to one end that the first resistor is not connect with the battery module；
One 3rd resistor, one end are connected to one end that the second resistance is not connect with the first resistor, and the other end is connected to
The switch；And
One the 4th resistance, be connected to contact that the first resistor is connect with the second resistance and the 3rd resistor not with
One end of the second resistance connection；And
One switch unit is connected to the contact that the 3rd resistor is connect with the second resistance, and includes a socket and one
Plug, when the socket and plug combination, the switch unit provides a grounding path and supplies the second resistance and institute
State the contact ground connection of 3rd resistor connection；When the socket and the unbonded plug, the switch unit sky connects, described in order
The contact that second resistance is connect with the 3rd resistor is earth-free.
5. the driving circuit of changeable trial mode and normal mode as claimed in claim 4, which is characterized in that the switching
The socket and plug of unit are a JACK power connectors.
6. the driving circuit of changeable trial mode and normal mode as claimed in claim 4, which is characterized in that the socket
It is further attached to the output end of the battery module；
The socket is connected for an attaching plug, and the attaching plug receives an alternating current, and the electric energy that alternating current provides is converted to
Direct current with the cell voltage, to further provide for electric energy by the output end of the socket and the battery module
To the micro control unit and the driving unit.
7. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that the driving
Module includes：
One the 5th resistance, one end are connected to the control signal output of the micro control unit；
There is one the first transistor a collector, an emitter-base bandgap grading and a base stage, the emitter grounding, the base stage to be connected to described the
One end that five resistance are not connect with the micro control unit；
There is one second transistor a drain, a source electrode and a gate, the drain to be connected to the output end of the battery module
To receive the cell voltage, the gate is connected to the collector of the first transistor；And
One the 6th resistance, is connected between the drain and gate of the second transistor.
8. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that the switch
For one by compressing switch, ground connection is connected when pressing, open circuit is formed when not pressing.
9. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that the battery
Module further includes a battery pack to provide electric energy.
10. the driving circuit of changeable trial mode and normal mode as described in claim 1, which is characterized in that described negative
It is a lamp device to carry；
When the mode switch module operates in normal mode, the micro control unit detects the switch by breaking each time
Road, conducting again after open circuit, drive the lamp device in permanent close pattern, permanent open mode, flicker by the drive module
Pattern switches after a first time between close pattern.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105098878A CN105098878A (en) | 2015-11-25 |
| CN105098878B true CN105098878B (en) | 2018-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN105098878B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
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 |
|---|---|---|---|---|
| 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 |
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| CN105098878A (en) | 2015-11-25 |
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Granted publication date: 20180911 Termination date: 20200601 |