CN106033968A - Power saving circuit and electronic equipment with power saving circuit - Google Patents
Power saving circuit and electronic equipment with power saving circuit Download PDFInfo
- Publication number
- CN106033968A CN106033968A CN201510122246.0A CN201510122246A CN106033968A CN 106033968 A CN106033968 A CN 106033968A CN 201510122246 A CN201510122246 A CN 201510122246A CN 106033968 A CN106033968 A CN 106033968A
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- circuit
- switch
- variable resistance
- processing module
- power
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Abstract
The invention discloses a power saving circuit and electronic equipment with the power saving circuit. The power saving circuit is connected to a power supply and comprises a variable resistor, a switch and a processing module, the power supply is connected with the switch and the variable resistor, the processing module is connected with the switch and the variable resistor, and the switch is connected with the variable resistor. When the variable resistor bears a pressure, the switch is set to connect a circuit between the power supply and the processing module. The processing module provides a work signal for the switch after receiving power supply, so that the switch can keep connecting the circuit between the power supply and the processing module when the variable resistor does not bear the pressure. Or, the processing module is set to detect the voltage of the variable resistor, so that the switch disconnects the circuit between the power supply and the processing module when the work signal is stopped. The power saving circuit of the invention improves standby time of the electronic equipment.
Description
Technical field
The present invention relates to a kind of power-saving circuit and there is the electronic equipment of power-saving circuit, more particularly to a kind of power-saving circuit and electronic equipment thereof being reduced electrical source consumption by pressure-sensing functional realiey.
Background technology
Along with the arriving in thing networking epoch, each company releases Wearable device or the handheld apparatus of numerous species one after another, makes central various functions to promote the daily experience of user so that the quantity of these terminal electronics just quickly increases in the whole world.
These things networking terminal electronics is the most all to use battery as electric power because of portable reason, therefore, along with the carry-on number of devices of user increases, the demand of every sample terminal electronics charging can cause the puzzlement of user, the most how to extend the stand-by time of terminal electronics, so as to providing the more preferable user of user to experience, the important consideration when product development of the Cheng Liaoge company, especially user also has started to notice this problem so that the longer terminal electronics of stand-by time is the most more favourable.
General terminal electronics is when shutdown, because switch element is not gated on, therefore when switch is for open circuit, electronic device circuit interpretation is for entering park mode, making electronic device circuit await orders under consuming minimum power supply status, after switch conducts current, electronic device circuit is controlling entrance duty.
So, the electronic device circuit of general terminal electronics still can consume a small amount of electric power in resting state, therefore to make terminal electronics have longer stand-by time, it is necessary to propose a kind of power-saving circuit making electronic device circuit will not consume power supply when shutdown.
A kind of known bluetooth pointer, this bluetooth pointer has a power knob, when, after user's power-on button, the electronic device circuit of bluetooth pointer is entered duty by park mode.Owing to bluetooth pointer belongs to low power consumption product, if the electricity that lower park mode consumes can be saved, use time and stand-by time can be greatly improved.
Summary of the invention
It is an object of the invention to open a kind of power-saving circuit for described existing deficiency, in order to make electronic device circuit will not consume power supply when shutdown.
For reaching described purpose, the open a kind of power-saving circuit of the present invention, connect a power supply, it includes a variable resistance, switch and a processing module, power supply is connected to switch and variable resistance, and processing module is connected to switch and variable resistance, and switch connects variable resistance.Switch is configured to the circuit after variable resistance is under pressure between turn-on power and processing module.Processing module be provided in after receiving power supply provide switch one working signal make switch when variable resistance is not affected by pressure constant conduction power supply to the circuit between processing module.Or, processing module is configured to detect variable-resistance voltage, and during to close working signal, switch makes power supply to the line broken circuit of processing module.
Described variable resistance can be pressure transducer.
nullDescribed variable resistance includes one first end and one second end,Switch includes a PMOS transistor and a nmos pass transistor,Processing module includes a supply pin、Send a signal pins and the voltage foot of a detecting variable resistance of working signal,The positive pole of power supply connects the source electrode of PMOS transistor and variable-resistance first end respectively,Second end connects the gate of nmos pass transistor,Circuit between second end and the gate of nmos pass transistor is through a resistance eutral grounding,Connection between second end and the gate of nmos pass transistor is to voltage foot,The source ground of nmos pass transistor,The drain of nmos pass transistor connects the gate of PMOS transistor,The drain of PMOS transistor connects supply pin,The circuit between positive pole and the source electrode of PMOS transistor of power supply circuit between a resistance and the gate of PMOS transistor and the drain of nmos pass transistor forms node and is then connected to signal pins.
Circuit between described second end and the gate of nmos pass transistor is connected and is connected voltage foot after a return circuit amplifier.
A kind of electronic equipment, it includes a housing, has an acquiescence touching district.The power-saving circuit of one present invention, is positioned at housing.And the electronic device circuit powered by power-saving circuit, it is arranged in housing.Wherein, variable resistance is configured to be sensed when user touches acquiescence touching district, and the variable resistance detected according to power-saving circuit of electronic device circuit and then control electronic equipment.
Described electronic equipment also includes the wireless module of a connection electronic device circuit.
Described electronic equipment is a pointer, and described housing is a penholder, and variable resistance is connected to the touch-control nib of one end of penholder.
Described electronic equipment also includes the wireless module of a connection electronic device circuit.
The power-saving circuit of the present invention possesses following advantages:
One, the power-saving circuit of the present invention improves the stand-by time of electronic equipment.
Two, the power-saving circuit of the present invention makes variable resistance except can be for sensing pressure, moreover it is possible to as the switch of electronic equipment, makes switch liberate on an electronic device and comes, and saves manufacturing time and funds whereby.
Three, when the power-saving circuit of the present invention is applied to pointer, pointer occupation mode is intuition as general lettering pen, with take with, it is not necessary to have other action to turn on the power, so as to promote user daily experience.
Four, owing to need not arrange switch, therefore, it is possible to make appearance design more unrestricted on the electronic equipment of the present invention and pointer outer surface.
Accompanying drawing explanation
Fig. 1 is the block chart of power-saving circuit of the present invention.
Fig. 2 is the circuit diagram of power-saving circuit of the present invention.
Fig. 3 is the block chart of a kind of electronic equipment having power-saving circuit of the present invention.
Fig. 4 is the schematic diagram of a kind of pointer of the present invention.
Fig. 5 is pointer and the use schematic diagram of electronic installation in the 4th figure.
In figure, each description of reference numerals is as follows.
Power-saving circuit
1 variable resistance
10
First end
100 second ends
101
Return circuit amplifier
102 electronic device circuits
11
Power supply
12 switches
13
PMOS transistor
130 nmos pass transistors
131
Processing module
14 supply pins
140
Signal pins
141 voltage feet
142
Electronic equipment
2 housings
20
Acquiescence touching district
21 pointer
3
Penholder
30 touch-control nibs
31
Wireless module
32 gates
G
Source electrode
S drain
D
Resistance
R。
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being reached purpose and effect, below to illustrate and to coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, the open a kind of power-saving circuit 1 of the present invention, in order to save terminal electronics standby time the power supply that consumed.Power-saving circuit 1 is in order to be connected between a power supply 12 and an electronic device circuit 11.
Described power-saving circuit 1 includes variable resistance 10, switch 13 and a processing module 14.Power supply 12 is connected to switch 13 and variable resistance 10, and processing module 14 is connected to switch 13, variable resistance 10 and electronic device circuit 11, switch 13 connection variable resistances 10.
Described switch 13 is configured to the circuit after variable resistance 10 is under pressure between turn-on power 12 and processing module 14.
Processing module 14 is configured to transmit power supply 12 to electronic device circuit 11, the signal of detecting variable resistance 10 and maintained switch 13 and powers, and be provided in receive power supply 12 after provide switch 13 1 working signals make switch 13 circuit of constant conduction power supply 12 to processing module 14 when variable resistance 10 is not affected by pressure, processing module 14 is further configured to detect the voltage of variable resistance 10, and when processing module 14 closes working signal, switch 13 makes the line broken circuit of power supply 12 to processing module 14.
In the middle of an embodiment, variable resistance 10 can be a pressure transducer.
Refer to Fig. 2, be the embodiment of a power-saving circuit 1.Variable resistance 10 is when being not affected by pressure, and its resistance is very big (being generally viewed as infinity), and variable resistance 10 includes one first end 100 and one second end 101.Switch 13 includes a PMOS transistor 130 (P-type
Metal-Oxide-Semiconductor Field-Effect Transistor, PMOS FET) and a nmos pass transistor 131 (N-type).Processing module 14 includes that the supply pin 140, of a reception electric current sends signal pins 141 and the voltage foot 142 of detecting variable resistance 10 voltage of working signal.
nullThe positive pole of power supply 12 connects the source S of PMOS transistor 130 and the first end 100 of variable resistance 10 respectively,Second end 101 of variable resistance 10 connects the gate G of nmos pass transistor 131,Circuit between second end 101 and the gate G of nmos pass transistor 131 is through a resistance R ground connection,And the circuit that second between end 101 and the gate G of nmos pass transistor 131 is additionally coupled to voltage foot 142,The source S ground connection of nmos pass transistor 131,The drain D of nmos pass transistor 131 connects the gate G of PMOS transistor 130,The drain D of PMOS transistor 130 connects supply pin 140,The circuit between positive pole and the source S of PMOS transistor 130 of power supply 12 circuit between a resistance R and the gate G of PMOS transistor 130 and the drain D of nmos pass transistor 131 forms node and is then connected to signal pins 141.
Wherein, the circuit between the second end 101 and the gate G of nmos pass transistor 131 of variable resistance 10 is connected and is connected voltage foot 142 after a return circuit amplifier 102.After voltage enters return circuit amplifier 102, magnitude of voltage is through processing, and makes the change of voltage form the linear fluctuating being easier to interpretation.
The current flowing mode of the power-saving circuit 1 of the present embodiment is, after variable resistance 10 is under pressure, because pressure change makes the resistance within variable resistance 10 start to diminish, then because of circuit dividing potential drop theorem, the gate G making nmos pass transistor 131 is made the drain D of nmos pass transistor 131 turn on source S by voltage, source S ground connection due to nmos pass transistor 131, the gate G level making PMOS transistor 130 reduces and then turns on drain D and the source S of PMOS transistor 130, makes supply pin 140 receive power supply.
Can the be processed voltage foot 142 of module 14 of the voltage of the second end 101 of variable resistance 10 receives.Processing module 14 control signal foot 141 sends low level voltage makes the gate G of PMOS transistor 130 be low level, and then make the drain D of PMOS transistor 130 be held on (now no matter the first variable resistance 10 is with or without being under pressure, and processing module 14 still can receive power supply) with source S.
Although variable resistance 10 is not affected by pressure, the resistance of variable resistance 10 becomes infinity again, and the drain D that circuit is open circuit and nmos pass transistor 131 of the voltage foot 142 of variable resistance 10 to processing module 14 is not turned on source S, but the gate G of PMOS transistor 130 is provided low level to be affected by signal pins 141, characteristic according to PMOS transistor 130, the drain D of PMOS transistor 130 and source S constant conduction, make supply pin 140 for conducting state, therefore when, after conducting electric current, the closedown of power supply 12 is controlled by processing module 14.
When electronic device circuit 11 needs to close power supply, as long as processing module 14 control signal foot 141 sends high levle voltage, characteristic according to PMOS transistor 130, the drain D that the gate G of PMOS transistor 130 is affected PMOS transistor 130 by signal pins 141 high levle voltage is not turned on source S formation, and then make processing module 14 and power supply 12 open circuit, according to Fig. 2, the gate G of PMOS transistor 130 and source S are high levles simultaneously in off position.
Electronic device circuit 11 mode of closing can be chosen as, if the magnitude of voltage that after a period of time, voltage foot 142 is detected is continuously zero, then by set signal pins 141 be high levle voltage, to close current source.
Referring to Fig. 3, power-saving circuit 1 can be applicable in an electronic equipment 2, and power-saving circuit 1 and electronic device circuit 11 are contained in inside by a housing 20 by electronic equipment 2.There is on the housing 20 of electronic equipment 2 an acquiescence touching district 21, variable resistance 10 is configured to be sensed when user touches acquiescence touching district 21, the change of variable resistance 10 magnitude of voltage that electronic device circuit 11 can be detected according to power-saving circuit 1 and then control electronic equipment 2.
Further illustrating, acquiescence touching district 21 be user when use electronic product, electronic product and Body contact or the position contacted with object.
Referring to Fig. 4, described electronic equipment 2 can be a kind of pointer 3, and it includes that a penholder 30, is positioned at the touch-control nib 31 of one end of penholder 30, and variable resistance 10 is connected to touch-control nib 31, and described power-saving circuit 1 is respectively positioned in penholder 30 with electronic device circuit 11.
Show according to Fig. 5, touch-control nib 31 is configured to the variable resistance 10 when the touch-control nib 31 of pointer 3 is contacted object by user and is extruded with variable resistance 10, and variable resistance 10 can also be as the switch of pointer 3 except the style of writing that can sense pointer 3 whereby.
For making pointer 3 can link to sense the style of writing of user with electronic installation, pointer includes the wireless module 34 of a connection electronic device circuit 11, in order to provide electronic device circuit 11 to link up with electronic installation.
The power-saving circuit 1 of the present invention possesses following advantages:
One, the power-saving circuit 1 of the present invention improves the stand-by time of electronic equipment 2.
Two, the power-saving circuit 1 of the present invention makes variable resistance 10 except can be for sensing pressure, moreover it is possible to as the switch of electronic equipment 2, makes electronic equipment 2 save a component, and saves manufacturing time and funds whereby.
Three, when the power-saving circuit 1 of the present invention is applied to pointer 3, pointer 3 occupation mode intuition as general lettering pen, with take with, it is not necessary to have other action to turn on the power, so as to promote user daily experience.
Four, owing to need not arrange switch, therefore, it is possible to make appearance design more unrestricted on the electronic equipment 2 of the present invention and pointer 3 outer surface.
Because described advantage, by combine the electronic equipment 2 of the power-saving circuit 1 of the present invention commercially get consumer reception can the phase, by making the public can enjoy the interests that this skill is brought, expect and expensive hold careful committee member and can grant the patent application of this case early, true feeling moral is just.
Claims (8)
1. a power-saving circuit, connects a power supply, it is characterised in that: comprising: a variable resistance, switch and a processing module, power supply is connected to switch and variable resistance, and processing module is connected to switch and variable resistance, and switch connects variable resistance;Switch is configured to the circuit after variable resistance is under pressure between turn-on power and processing module;Processing module be provided in after receiving power supply provide switch one working signal make switch when variable resistance is not affected by pressure constant conduction power supply to the circuit between processing module;Or, processing module is configured to detect variable-resistance voltage, and during to close working signal, switch makes power supply to the line broken circuit of processing module.
Power-saving circuit the most according to claim 1, it is characterised in that: described variable resistance can be pressure transducer.
nullPower-saving circuit the most according to claim 1,It is characterized in that: described variable resistance includes one first end and one second end,Switch includes a PMOS transistor and a nmos pass transistor,Processing module includes a supply pin、Send a signal pins and the voltage foot of a detecting variable resistance of working signal,The positive pole of power supply connects the source electrode of PMOS transistor and variable-resistance first end respectively,Second end connects the gate of nmos pass transistor,Circuit between second end and the gate of nmos pass transistor is through a resistance eutral grounding,Connection between second end and the gate of nmos pass transistor is to voltage foot,The source ground of nmos pass transistor,The drain of nmos pass transistor connects the gate of PMOS transistor,The drain of PMOS transistor connects supply pin,The circuit between positive pole and the source electrode of PMOS transistor of power supply circuit between a resistance and the gate of PMOS transistor and the drain of nmos pass transistor forms node and is then connected to signal pins.
Power-saving circuit the most according to claim 3, it is characterised in that: the circuit between described second end and the gate of nmos pass transistor is connected and is connected voltage foot after a return circuit amplifier.
5. an electronic equipment, it is characterised in that: comprising: a housing, there is an acquiescence touching district;Just like the power-saving circuit described in Claims 1-4 item, it is positioned at housing;And the electronic device circuit powered by power-saving circuit, it is arranged in housing;Wherein, variable resistance is configured to be sensed when user touches acquiescence touching district, and the variable resistance detected according to power-saving circuit of electronic device circuit and then control electronic equipment.
Electronic equipment the most according to claim 5, it is characterised in that: also include the wireless module of a connection electronic device circuit.
Electronic equipment the most according to claim 5, it is characterised in that: described electronic equipment is a pointer, and described housing is a penholder, and variable resistance is connected to the touch-control nib of one end of penholder.
Electronic equipment the most according to claim 7, it is characterised in that: also include the wireless module of a connection electronic device circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122246.0A CN106033968A (en) | 2015-03-19 | 2015-03-19 | Power saving circuit and electronic equipment with power saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122246.0A CN106033968A (en) | 2015-03-19 | 2015-03-19 | Power saving circuit and electronic equipment with power saving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106033968A true CN106033968A (en) | 2016-10-19 |
Family
ID=57148961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510122246.0A Pending CN106033968A (en) | 2015-03-19 | 2015-03-19 | Power saving circuit and electronic equipment with power saving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106033968A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564573A (en) * | 2017-07-31 | 2018-01-09 | 浙江智柔科技有限公司 | A kind of method of electronics paster switch |
| CN109375545A (en) * | 2018-11-09 | 2019-02-22 | 重庆忽米网络科技有限公司 | A kind of smart home induction control switch device and control method |
| CN111857377A (en) * | 2020-07-17 | 2020-10-30 | 旭丽电子(东莞)有限公司 | Electronic control device |
| WO2022000739A1 (en) * | 2020-07-02 | 2022-01-06 | 深圳市鹰硕教育服务有限公司 | Smart pen pressure sensor drive circuit |
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| WO2001019126A1 (en) * | 1999-09-03 | 2001-03-15 | Neopoint, Inc. | Automatic power-on feature for wireless communication device |
| CN1869877A (en) * | 2005-05-28 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | Electric saving device and method |
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| CN101714037A (en) * | 2008-10-02 | 2010-05-26 | 株式会社和冠 | Combination touch and transducer input system and method |
| CN202204011U (en) * | 2011-09-05 | 2012-04-25 | 无锡职业技术学院 | Intelligent gas controlling valve |
| CN103107577A (en) * | 2013-02-05 | 2013-05-15 | 北京小米科技有限责任公司 | Battery management circuit and terminal |
| CN204615801U (en) * | 2015-03-19 | 2015-09-02 | 富港电子（东莞）有限公司 | Power-saving circuit and there is the electronic equipment of power-saving circuit |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2001019126A1 (en) * | 1999-09-03 | 2001-03-15 | Neopoint, Inc. | Automatic power-on feature for wireless communication device |
| CN1869877A (en) * | 2005-05-28 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | Electric saving device and method |
| CN101135890A (en) * | 2007-10-09 | 2008-03-05 | 深圳市和而泰电子科技有限公司 | Electricity-saving mode power management system and method thereof |
| CN101714037A (en) * | 2008-10-02 | 2010-05-26 | 株式会社和冠 | Combination touch and transducer input system and method |
| CN202204011U (en) * | 2011-09-05 | 2012-04-25 | 无锡职业技术学院 | Intelligent gas controlling valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564573A (en) * | 2017-07-31 | 2018-01-09 | 浙江智柔科技有限公司 | A kind of method of electronics paster switch |
| CN109375545A (en) * | 2018-11-09 | 2019-02-22 | 重庆忽米网络科技有限公司 | A kind of smart home induction control switch device and control method |
| WO2022000739A1 (en) * | 2020-07-02 | 2022-01-06 | 深圳市鹰硕教育服务有限公司 | Smart pen pressure sensor drive circuit |
| CN111857377A (en) * | 2020-07-17 | 2020-10-30 | 旭丽电子(东莞)有限公司 | Electronic control device |
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Application publication date: 20161019 |