CN107919713A - A kind of wireless adapter power supply circuit and its method of supplying power to - Google Patents
A kind of wireless adapter power supply circuit and its method of supplying power to Download PDFInfo
- Publication number
- CN107919713A CN107919713A CN201711440600.XA CN201711440600A CN107919713A CN 107919713 A CN107919713 A CN 107919713A CN 201711440600 A CN201711440600 A CN 201711440600A CN 107919713 A CN107919713 A CN 107919713A
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- CN
- China
- Prior art keywords
- power supply
- boost pressure
- controller
- supply circuit
- pressure controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless adapter power supply circuit and its method of supplying power to, which includes buck controller, boost pressure controller, super capacitor and wireless module；The input terminal of buck controller is connected with battery, and the output terminal of buck controller is connected to the input terminal of boost pressure controller, is also associated between buck controller and boost pressure controller to the super capacitor of reserve power；The output terminal of boost pressure controller is connected to the power interface of wireless module.The present invention makees the buffer of battery using super capacitor, using two-stage power supply mode, ensures to improve the power supplying efficiency of system while battery life.
Description
Technical field
The invention belongs to radio transmission technical field, is related to a kind of power supply circuit and method, especially a kind of wireless adaptation
The power supply circuit of device.
Background technology
The circuit working method of wireless power have it is a variety of, for low power consuming devices using battery powered application scenario to electricity
The technical requirements in pond are higher, and especially wireless telecommunications electric current when launching data is larger, a common lithium thionyl chloride cell
Capacity and supply current be linear relationship；
Conventional wireless device uses a common lithium thionyl chloride cell as system power supply at this stage, and system can timing
Wake up and start gathered data, and be dynamic change by wireless communication transmission data, whole system power dissipation.Lithium-thionyl
The service life of acyl chlorides battery and output current have a larger relation, during high current electric discharge can reduce the service life, cause complete machine uses the longevity
Life is shorten to 1~2 year.It can ensure that battery is operated under the current status of restriction using the patent circuit, so as to improve entirety
The service life of equipment, improves the efficiency of power supply.
The content of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art, there is provided a kind of wireless adapter power supply circuit, its
The buffer of battery is made using super capacitor, using two-stage power supply mode, ensures to improve the power supply of system while battery life
Efficiency.
The purpose of the present invention is what is be achieved through the following technical solutions：
Present invention firstly provides a kind of wireless adapter power supply circuit, including buck controller, boost pressure controller, super electricity
Appearance and wireless module；The input terminal of the buck controller is connected with battery, and the output terminal of buck controller is connected to boosting control
The input terminal of device processed, is also associated with to the super capacitor of reserve power between buck controller and boost pressure controller；It is described
The output terminal of boost pressure controller is connected to the power interface of wireless module.
Further, above-mentioned battery is single-unit ER34615 batteries.
Further, the peak point current of above-mentioned wireless module is 100mA.
Further, the overall power of above-mentioned power supply circuit is within 10 milliamperes.
Further, the input voltage of above-mentioned buck controller is 3.6V, output voltage 3.0V.
Further, the input voltage range of above-mentioned boost pressure controller is 1.8~5.5V, boost pressure controller for wireless module
Supply voltage be 3.3V.
Based on above wireless adapter power supply circuit, the present invention also proposes a kind of method of supplying power to：Battery is buck controller
On the one hand power supply, the buck controller power to boost pressure controller, on the other hand charge to super capacitor；Wireless module
Powered by boost pressure controller；The super capacitor is laid in electric energy, and being controlled by boost pressure controller is having Gao Gong
It is powered during rate demand by super capacitor.
The invention has the advantages that：
In the wireless adapter power supply circuit of the present invention, decompression switching controller is set to be operated in constant current mode, and dropping
Super capacitor is devised between pressure controller and boost pressure controller and does battery buffer, when wireless module is needed in high current work shape
When state works, the present invention uses super capacitor auxiliary power supply, and this design can extend the work longevity of a lithium thionyl chloride cell
Life, while the power-efficient of system is improved, while increase the working life of battery.
Brief description of the drawings
Fig. 1 is the system principle diagram of the present invention；
Fig. 2 is the performance comparison schematic diagram of a lithium thionyl chloride cell 3.6V.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1：The wireless adapter power supply circuit of the present invention, including it is buck controller A1, boost pressure controller B1, super
Capacitance C1 and wireless module D1.The input terminal of wherein buck controller A1 is connected with battery, and the output terminal of buck controller A1 connects
The input terminal of boost pressure controller B1 is connected to, is also associated between buck controller A1 and boost pressure controller B1 to reserve power
Super capacitor C1；The output terminal of boost pressure controller B1 is connected to the power interface of wireless module D1.
In highly preferred embodiment of the present invention, battery is single-unit ER34615 batteries.The peak point current of wireless module D1 is
100mA.The overall power of power supply circuit is within 10 milliamperes.The input voltage of buck controller A1 is 3.6V, and output voltage is
3.0V.The input voltage range of boost pressure controller B1 is 1.8~5.5V, and the power supply for wireless module D1 of boost pressure controller B1 is electric
Press as 3.3V.
Based on above wireless adapter power supply circuit, the present invention also proposes following method of supplying power to：
Battery is powered for buck controller A1, and on the one hand the buck controller A1 powers to boost pressure controller B1, another
Aspect charges super capacitor C1；Wireless module D1 is powered by boost pressure controller B1；Super capacitor C1 carries out electric energy
Deposit, is controlled by boost pressure controller B1 and is powered when there is high power requirements by super capacitor C1.
In conclusion the cell voltage of 3.6V is reduced to 3.0V by the design of present invention entirety by buck controller, together
When charge for super capacitor.Wireless module power supply is controlled supply voltage in 3.3V, the boosting mould by boost pressure controller
Block input range is 1.8~5.5V, can adapt to wide scope power supply boost conversion automatically.The power supply effect of super capacitor is lifted at the same time
Rate.
Fig. 2 is the performance comparison schematic diagram of a lithium thionyl chloride cell 3.6V, as can be seen from the figure：
| Operating mode | Electric current | Remarks |
| It is standby | 1mA | Normal operating conditions, not including wireless telecommunications |
| Receive | 13.7mA | The received data packet time is 3 seconds average |
| Transmitting | 98.6mA | Launch packet time average out to 3 seconds |
The relation of battery capacity and discharge current：
For the electric current of battery work in 100mA, the discharge time of battery is 10.5Ah.
For the operating current of battery in 10mA, the discharge time of battery is 16.5Ah.
Using this patent circuit, the emission current of complete machine is limited within 10mA, and the peak point current of battery is limited from 100mA
It is set to 10mA, battery capacity increase 6Ah.
System sent a data according to 1000 seconds, and sending time length is 3 seconds, then average current is：
(1mA* (1000-3) S+98.6mA*3S)/1000=1.2928mA
If it is to system power supply, theoretical time using the battery of 1000mAh：
1000mAh/3.928=773.51 (h)=32.229 day
It is 16.5-10.5=6Ah according to battery capacity increase, then using the patent circuit, the system power supply time can be increased
For：
32.229 its * 6Ah=193 days.
Claims (7)
1. a kind of wireless adapter power supply circuit, it is characterised in that including buck controller (A1), boost pressure controller (B1), surpass
Level capacitance (C1) and wireless module (D1)；The input terminal of the buck controller (A1) is connected with battery, buck controller (A1)
Output terminal be connected to the input terminal of boost pressure controller (B1), also connect between buck controller (A1) and boost pressure controller (B1)
It is connected to the super capacitor (C1) to reserve power；The output terminal of the boost pressure controller (B1) is connected to wireless module (D1)
Power interface.
2. wireless adapter power supply circuit according to claim 1, it is characterised in that the battery is single-unit ER34615
Battery.
3. wireless adapter power supply circuit according to claim 1, it is characterised in that the peak value of the wireless module (D1)
Electric current is 100mA.
4. wireless adapter power supply circuit according to claim 1, it is characterised in that the overall power of the power supply circuit
Within 10 milliamperes.
5. wireless adapter power supply circuit according to claim 1, it is characterised in that the buck controller (A1) it is defeated
It is 3.6V, output voltage 3.0V to enter voltage.
6. wireless adapter power supply circuit according to claim 1, it is characterised in that the boost pressure controller (B1) it is defeated
It is 1.8~5.5V to enter voltage range, and the supply voltage for wireless module (D1) of boost pressure controller (B1) is 3.3V.
7. a kind of method of supplying power to of the wireless adapter power supply circuit based on described in claim 1-6 any one, its feature exist
In：Battery is powered for buck controller (A1), and the buck controller (A1) is on the one hand powered to boost pressure controller (B1), another
Aspect charges super capacitor (C1)；Wireless module (D1) is powered by boost pressure controller (B1)；The super capacitor
(C1) electric energy is laid in, is controlled by boost pressure controller (B1) when there are high power requirements by super capacitor (C1)
It is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440600.XA CN107919713A (en) | 2017-12-27 | 2017-12-27 | A kind of wireless adapter power supply circuit and its method of supplying power to |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440600.XA CN107919713A (en) | 2017-12-27 | 2017-12-27 | A kind of wireless adapter power supply circuit and its method of supplying power to |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919713A true CN107919713A (en) | 2018-04-17 |
Family
ID=61894490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440600.XA Pending CN107919713A (en) | 2017-12-27 | 2017-12-27 | A kind of wireless adapter power supply circuit and its method of supplying power to |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919713A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1381135A1 (en) * | 2001-04-17 | 2004-01-14 | Matsushita Electric Industrial Co., Ltd. | Battery-driven electronic device and mobile communication apparatus |
| US6798177B1 (en) * | 2002-10-15 | 2004-09-28 | Arques Technology, Inc. | Boost-buck cascade converter for pulsating loads |
| US20040263124A1 (en) * | 2003-06-30 | 2004-12-30 | Sony Electronics Inc. | System and method for reducing external battery capacity requirement for a wireless card |
| EP1990924A1 (en) * | 2007-05-11 | 2008-11-12 | Actaris SAS | Battery power supply for radio frequency transmitter |
| CN101911459A (en) * | 2008-01-25 | 2010-12-08 | 阿克塔锐斯两合公司 | Battery power supply for radiofrequency transmitter |
| EP2582004A1 (en) * | 2011-10-12 | 2013-04-17 | Research In Motion Limited | Power converter system for mobile devices |
| US20140266129A1 (en) * | 2013-03-13 | 2014-09-18 | Delorme Publishing Co | Method and System for Regulating Battery Voltages in Handheld/Portable Electronic Systems |
| CN104734321A (en) * | 2015-03-17 | 2015-06-24 | 浙江创联信息技术股份有限公司 | Super capacitor power supply device for radio frequency identification device |
| CN106410960A (en) * | 2016-12-12 | 2017-02-15 | 湖南威胜信息技术有限公司 | Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby |
| CN207743728U (en) * | 2017-12-27 | 2018-08-17 | 西安安森智能仪器股份有限公司 | A kind of wireless adapter power supply circuit |
-
2017
- 2017-12-27 CN CN201711440600.XA patent/CN107919713A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1381135A1 (en) * | 2001-04-17 | 2004-01-14 | Matsushita Electric Industrial Co., Ltd. | Battery-driven electronic device and mobile communication apparatus |
| US6798177B1 (en) * | 2002-10-15 | 2004-09-28 | Arques Technology, Inc. | Boost-buck cascade converter for pulsating loads |
| US20040263124A1 (en) * | 2003-06-30 | 2004-12-30 | Sony Electronics Inc. | System and method for reducing external battery capacity requirement for a wireless card |
| EP1990924A1 (en) * | 2007-05-11 | 2008-11-12 | Actaris SAS | Battery power supply for radio frequency transmitter |
| CN101911459A (en) * | 2008-01-25 | 2010-12-08 | 阿克塔锐斯两合公司 | Battery power supply for radiofrequency transmitter |
| EP2582004A1 (en) * | 2011-10-12 | 2013-04-17 | Research In Motion Limited | Power converter system for mobile devices |
| US20140266129A1 (en) * | 2013-03-13 | 2014-09-18 | Delorme Publishing Co | Method and System for Regulating Battery Voltages in Handheld/Portable Electronic Systems |
| CN104734321A (en) * | 2015-03-17 | 2015-06-24 | 浙江创联信息技术股份有限公司 | Super capacitor power supply device for radio frequency identification device |
| CN106410960A (en) * | 2016-12-12 | 2017-02-15 | 湖南威胜信息技术有限公司 | Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby |
| CN207743728U (en) * | 2017-12-27 | 2018-08-17 | 西安安森智能仪器股份有限公司 | A kind of wireless adapter power supply circuit |
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