CN106410960A - Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby - Google Patents
Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby Download PDFInfo
- Publication number
- CN106410960A CN106410960A CN201611139276.3A CN201611139276A CN106410960A CN 106410960 A CN106410960 A CN 106410960A CN 201611139276 A CN201611139276 A CN 201611139276A CN 106410960 A CN106410960 A CN 106410960A
- Authority
- CN
- China
- Prior art keywords
- power
- circuit
- power supply
- super capacitor
- rechargeable battery
- Prior art date
- 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.)
- Pending
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a power supply circuit, comprising a power supply module, a chargeable battery, a system power supply, a step-down circuit, a super capacitor and a booster circuit. The power supply module is connected to the super capacitor via the step-down circuit and is charged. The super capacitor is boosted through the booster circuit and then supplies power to the outside via a system circuit. The present invention also discloses a power supply method of the power supply circuit, comprising a charging step and a discharging step. The present invention also provides a power-consumption information acquisition terminal which is manufactured by the power supply circuit and supplies power by the power supply method. By the invention, the data reliability of a power-consuming load is ensured, and long service lifetime, high reliability, simple circuit and wide application range are achieved.
Description
Technical field
Present invention relates particularly to a kind of power circuit, method of supplying power to and its power information acquisition terminal made.
Background technology
Development with national economy technology and the raising of people's living standard, people also begin to increasingly to focus on electricity consumption set
Standby reliability.Reliability during grid cut-off, power supply instantaneous power-down for the grid equipment also becomes examination electrical network electricity consumption and sets
One of standby reliability index.
At present, grid equipment, after grid power blackout or power supply power-fail, supports the core component that grid equipment works on, greatly
What part adopted remains rechargeable battery（Its circuit module figure is as shown in Figure 1）：After external power source enters power circuit, pass through
Power module carries out signal conversion, more externally provides power supply to export by system power supply, and power module is also to chargeable electricity simultaneously
Pond is charged, and rechargeable battery also can externally provide power supply to export individually by system power supply.But, rechargeable battery has charging
Number of times and service life limit：Rechargeable battery after continuous using 4～5 years, the great decline of its performance, several near failures.
At present, super capacitor with its power density high, the discharge and recharge time is short, have extended cycle life, operating temperature range width etc.
Advantage occupies one seat in stand-by power supply field rapidly.But, current super capacitor circuit, its circuit is complicated, reliability
Difference.
Content of the invention
An object of the present invention is to provide that a kind of reliability is high, circuit is simple, the power circuit of long service life.
The second object of the present invention is providing a kind of method of supplying power to of described power circuit.
The third object of the present invention is to provide the power information that a kind of described power circuit of application and method of supplying power to are made
Acquisition terminal.
This power circuit that the present invention provides, including power module, rechargeable battery and system power supply, also includes super
Electric capacity module；Described super capacitor module includes reduction voltage circuit, super capacitor and booster circuit；Power module passes through reduction voltage circuit
Connect super capacitor and charge to super capacitor；The output electric energy of super capacitor passes through circuit system after boosting by booster circuit
Supplying power for outside.
Described super capacitor is farad capacitor.
Described rechargeable battery is nickel-hydrogen chargeable cell.
Described reduction voltage circuit includes being depressured input filter circuit, the step-down controller chipset by model TPS54331
The core circuit becoming and reduced output voltage filter circuit.
Described booster circuit includes boosting DC/DC control module, output switch pipe and the boosting output of model S8355
Filter circuit.
Present invention also offers a kind of method of supplying power to of described power circuit, including the step of the step charging and electric discharge：
Described charge step includes：
S1. power module starts, and obtains outside input electric energy；
S2. the electric energy of acquisition is entered line translation by power module, thus externally exporting galvanic current energy by system power supply；
S3. power module exports road charging signals simultaneously, is charged for super capacitor by reduction voltage circuit；
S4. detect the output end voltage of super capacitor, stop when output end voltage reaches setting value charging for super capacitor；
Described discharge step includes：
S1., when the outside input electric energy of power module has a power failure, power module quits work；
S2. obtain the output voltage of rechargeable battery in real time, and carry out power supply switching according to following principle：
If rechargeable battery output voltage is not less than 5V, rechargeable battery stands alone as load supplying by system power supply；
If rechargeable battery output voltage is less than 5V and is more than 4.4V, super capacitor stands alone as load by system power supply and supplies
Electricity, and be switched to rechargeable battery end after super capacitor discharge off load supplying is stood alone as by system power supply；
If the output voltage of rechargeable battery is not higher than 4.4V, closes the power supply circuits of rechargeable battery, led to by super capacitor
Cross system power supply and stand alone as load supplying.
Present invention also offers a kind of power information acquisition terminal being made up of described power circuit, and using described
Method of supplying power to power information acquisition terminal is powered.
This power circuit and method of supplying power to that the present invention provides, in system power supply power supply power-fail and no backup battery or after
In the case of standby cell damage and not enough power supply, with electric loading still can persistently obtain certain time electric energy supply so that
The correlation critical event such as data storage, locking can be completed with electric loading it is ensured that can with the data of electric loading within this time
By property；And the present invention adopts double spare electric source modes, the presence of super capacitor can effectively ensure that and extends rechargeable battery
Service life, further increase service life and the reliability of the present invention；And reliability of the present invention is high, circuit is simple,
Long service life.Additionally, the power circuit of the present invention and method of supplying power to, it is applicable not only to power information acquisition terminal, is also suitable
In other any need to carry out the electronic equipment that power supply is powered, including all types of measuring instruments（Such as electric energy meter, water meter, combustion
Gas meter, calorimeter etc.）, electric energy management terminal, distribution terminal, electric energy quality monitoring equipment, grid automation terminal, collection eventually
End, concentrator, data acquisition unit, measuring instrument write by hand device etc..
Brief description
Fig. 1 is the functional block diagram of the background technology of the present invention.
Fig. 2 is the functional block diagram of the power circuit of the present invention.
Fig. 3 is the circuit theory diagrams of the reduction voltage circuit of power circuit of the present invention.
Fig. 4 is the circuit theory diagrams of the booster circuit of power circuit of the present invention.
Fig. 5 is the method flow diagram of the charge step of the inventive method.
Fig. 6 is the method flow diagram of the discharge step of the inventive method.
Specific embodiment
It is illustrated in figure 2 the functional block diagram of the power circuit of the present invention：This power circuit that the present invention provides, including
Power module, rechargeable battery and system power supply, also include super capacitor module；Described super capacitor module includes step-down electricity
Road, super capacitor and booster circuit；Power module connects super capacitor and to super capacitor charging by reduction voltage circuit；Super electricity
The output electric energy holding passes through circuit system supplying power for outside after boosting by booster circuit.Super capacitor can adopt farad capacitor,
Rechargeable battery can adopt nickel-hydrogen chargeable cell.
It is illustrated in figure 3 the circuit theory diagrams of the reduction voltage circuit of the power circuit of the present invention：Described reduction voltage circuit includes
Step-down input filter circuit（Including filter capacitor C13 and C16）, the step-down controller chip by model TPS54331 and inductance
The core circuit of L3, D25 composition and reduced output voltage filter circuit（Including electric capacity C26, C32 and C25）.Power module output
+ 12V voltage accesses reduction voltage circuit by interface XS4, directly inputs chip after filter capacitor C13 and C16 filters
2 pin of TPS54331；1 pin of chip and 8 pin are connected by electric capacity C2；3 pin of chip pass through resistor voltage divider circuit（R20 and
R21）Connect high level signal, play the effect of control chip start and stop；3 pin of chip and 4 pin are also by capacity earth simultaneously；Core
6 pin of piece are grounded by electric capacity C30, simultaneously also by RC circuit（Electric capacity C29 and resistance R22）Ground connection, plays and adjusts output
The effect of reflecting time；8 pin of chip are output pin, and it exports+5V power supply by energy storage inductor L3, and 8 pin pass through filter simultaneously
Ripple electric capacity C26 and C32 is grounded, and is grounded also by sustained diode 25 simultaneously；Additionally ,+5V the power supply of output is also by resistance electricity
Pressure sample circuit（Resistance R19 and R23）Ground connection, sampled voltage now is signally attached to 5 pin of chip TPS54331, thus logical
Cross the stability that feedback signal ensures+5V voltage.
It is illustrated in figure 4 the circuit theory diagrams of the booster circuit of the power circuit of the present invention：Booster circuit includes model
The boosting DC/DC control module of S8355, output switch pipe V4, inductance L4 and sustained diode 24 constitute booster circuit, its
Middle boosting output filter capacitor C23 plays the stabilization of output voltage.+ 5V the power supply of booster circuit output passes through current-limiting resistance
（Resistance R4 ~ R6）Charge to super capacitor C17 and C18；The output end of super capacitor connects the input of boosting DC/DC control module
2 pin and enable signal 3 pin；1 pin of module is output monitoring pin, adjusts the duty of the pwm signal of 5 pin according to voltage levels
Direct out-put supply is grounded regulated output voltage by filter capacitor C23 to ratio；4 pin of module are directly grounded, and 5 pin of module are
PWM controls output pin, connects the control end of output switch pipe V4.
It is illustrated in figure 5 the method flow diagram of the charge step of the inventive method：Described charge step includes：
S1. power module starts, and obtains outside input electric energy；
S2. the electric energy of acquisition is entered line translation by power module, thus externally exporting galvanic current energy by system power supply；
S3. power module exports road charging signals simultaneously, is charged for super capacitor by reduction voltage circuit；
S4. detect the output end voltage of super capacitor, stop when output end voltage reaches setting value charging for super capacitor.
It is illustrated in figure 6 the method flow diagram of the discharge step of the inventive method：Described discharge step includes：
S1., when the outside input electric energy of power module has a power failure, power module quits work；
S2. obtain the output voltage of rechargeable battery in real time, and carry out power supply switching according to following principle：
If rechargeable battery output voltage is not less than 5V, rechargeable battery stands alone as load supplying by system power supply；
If rechargeable battery output voltage is less than 5V and is more than 4.4V, super capacitor stands alone as load by system power supply and supplies
Electricity, and be switched to rechargeable battery end after super capacitor discharge off load supplying is stood alone as by system power supply；
If the output voltage of rechargeable battery is not higher than 4.4V, closes the power supply circuits of rechargeable battery, led to by super capacitor
Cross system power supply and stand alone as load supplying.
Claims (8)
1. a kind of power circuit, including power module, rechargeable battery and system power supply it is characterised in that also including super capacitor
Module；Described super capacitor module includes reduction voltage circuit, super capacitor and booster circuit；Power module is connected by reduction voltage circuit
Super capacitor simultaneously charges to super capacitor；The output electric energy of super capacitor is external by circuit system after being boosted by booster circuit
Power supply.
2. power circuit according to claim 1 is it is characterised in that described super capacitor is farad capacitor.
3. power circuit according to claim 1 is it is characterised in that described rechargeable battery is nickel-hydrogen chargeable cell.
4. the power circuit according to one of claim 1 ~ 3 is it is characterised in that described reduction voltage circuit includes step-down input
Filter circuit, the core circuit being made up of the step-down controller chip of model TPS54331 and reduced output voltage filter circuit.
5. power circuit according to claim 1 is it is characterised in that described booster circuit includes the liter of model S8355
Pressure DC/DC control module, output switch pipe and boosting output filter circuit.
6. power circuit according to claim 4 is it is characterised in that described booster circuit includes the liter of model S8355
Pressure DC/DC control module, output switch pipe and boosting output filter circuit.
7. a kind of method of supplying power to of power circuit described in claim 1 ~ 6 is it is characterised in that include step and the electric discharge charged
Step：
Described charge step includes：
S1. power module starts, and obtains outside input electric energy；
S2. the electric energy of acquisition is entered line translation by power module, thus externally exporting galvanic current energy by system power supply；
S3. power module exports road charging signals simultaneously, is charged for super capacitor by reduction voltage circuit；
S4. detect the output end voltage of super capacitor, stop when output end voltage reaches setting value charging for super capacitor；
Described discharge step includes：
S1., when the outside input electric energy of power module has a power failure, power module quits work；
S2. obtain the output voltage of rechargeable battery in real time, and carry out power supply switching according to following principle：
If rechargeable battery output voltage is not less than 5V, rechargeable battery stands alone as load supplying by system power supply；
If rechargeable battery output voltage is less than 5V and is more than 4.4V, super capacitor stands alone as load by system power supply and supplies
Electricity, and be switched to rechargeable battery end after super capacitor discharge off load supplying is stood alone as by system power supply；
If the output voltage of rechargeable battery is not higher than 4.4V, closes the power supply circuits of rechargeable battery, led to by super capacitor
Cross system power supply and stand alone as load supplying.
8. one kind is made up of the power circuit described in claim 1 ~ 6, and is carried out using the method for supplying power to described in claim 7
The power information acquisition terminal of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139276.3A CN106410960A (en) | 2016-12-12 | 2016-12-12 | Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139276.3A CN106410960A (en) | 2016-12-12 | 2016-12-12 | Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106410960A true CN106410960A (en) | 2017-02-15 |
Family
ID=58084747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139276.3A Pending CN106410960A (en) | 2016-12-12 | 2016-12-12 | Power supply circuit, power supply method and power-consumption information acquisition terminal manufactured thereby |
Country Status (1)
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|---|---|
| CN (1) | CN106410960A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064679A (en) * | 2017-04-07 | 2017-08-18 | 湖南威胜信息技术有限公司 | New Electric Quality Monitoring and monitoring method |
| CN107317379A (en) * | 2017-08-22 | 2017-11-03 | 上海点贸信息技术有限公司 | A kind of battery charging module |
| CN107329697A (en) * | 2017-06-27 | 2017-11-07 | 湖南威胜信息技术有限公司 | Power information data access method and its electric energy meter for embedded system |
| CN107749664A (en) * | 2017-11-15 | 2018-03-02 | 安徽南瑞中天电力电子有限公司 | A kind of design circuit of acquisition system emergency power supply |
| CN107919713A (en) * | 2017-12-27 | 2018-04-17 | 西安安森智能仪器股份有限公司 | A kind of wireless adapter power supply circuit and its method of supplying power to |
| CN108535522A (en) * | 2018-06-19 | 2018-09-14 | 国网安徽省电力有限公司滁州供电公司 | A kind of solution specially becomes client and does not power the devices of low pressure ammeter acquisition problems |
| CN109184343A (en) * | 2018-09-13 | 2019-01-11 | 高新兴科技集团股份有限公司 | A kind of unlocking system |
| CN109347200A (en) * | 2018-12-17 | 2019-02-15 | 雷博塔斯(广州)科技有限公司 | A kind of power accessories |
| CN110649701A (en) * | 2019-10-28 | 2020-01-03 | 天津七一二通信广播股份有限公司 | Integrated backup power supply unit with super capacitor as energy storage core and implementation method |
| CN112436586A (en) * | 2020-11-26 | 2021-03-02 | 石家庄科林电气股份有限公司 | Power supply system based on double super capacitor sets |
| CN114899930A (en) * | 2022-07-11 | 2022-08-12 | 佳源科技股份有限公司 | Mesh module power supply circuit capable of reducing power supply power limitation and power supply method |
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| US20110074359A1 (en) * | 2009-09-25 | 2011-03-31 | Qi Deng | Self contained power source |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064679A (en) * | 2017-04-07 | 2017-08-18 | 湖南威胜信息技术有限公司 | New Electric Quality Monitoring and monitoring method |
| CN107329697A (en) * | 2017-06-27 | 2017-11-07 | 湖南威胜信息技术有限公司 | Power information data access method and its electric energy meter for embedded system |
| CN107317379A (en) * | 2017-08-22 | 2017-11-03 | 上海点贸信息技术有限公司 | A kind of battery charging module |
| CN107749664A (en) * | 2017-11-15 | 2018-03-02 | 安徽南瑞中天电力电子有限公司 | A kind of design circuit of acquisition system emergency power supply |
| CN107749664B (en) * | 2017-11-15 | 2021-11-30 | 安徽南瑞中天电力电子有限公司 | Design circuit of acquisition system emergency power supply |
| CN107919713A (en) * | 2017-12-27 | 2018-04-17 | 西安安森智能仪器股份有限公司 | A kind of wireless adapter power supply circuit and its method of supplying power to |
| CN108535522A (en) * | 2018-06-19 | 2018-09-14 | 国网安徽省电力有限公司滁州供电公司 | A kind of solution specially becomes client and does not power the devices of low pressure ammeter acquisition problems |
| CN109184343A (en) * | 2018-09-13 | 2019-01-11 | 高新兴科技集团股份有限公司 | A kind of unlocking system |
| CN109347200A (en) * | 2018-12-17 | 2019-02-15 | 雷博塔斯(广州)科技有限公司 | A kind of power accessories |
| CN110649701A (en) * | 2019-10-28 | 2020-01-03 | 天津七一二通信广播股份有限公司 | Integrated backup power supply unit with super capacitor as energy storage core and implementation method |
| CN112436586A (en) * | 2020-11-26 | 2021-03-02 | 石家庄科林电气股份有限公司 | Power supply system based on double super capacitor sets |
| CN114899930A (en) * | 2022-07-11 | 2022-08-12 | 佳源科技股份有限公司 | Mesh module power supply circuit capable of reducing power supply power limitation and power supply method |
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Application publication date: 20170215 |