CN105375586A - Battery charge and discharge management device and metering instrument manufactured by the same - Google Patents
Battery charge and discharge management device and metering instrument manufactured by the same Download PDFInfo
- Publication number
- CN105375586A CN105375586A CN201510938703.3A CN201510938703A CN105375586A CN 105375586 A CN105375586 A CN 105375586A CN 201510938703 A CN201510938703 A CN 201510938703A CN 105375586 A CN105375586 A CN 105375586A
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- Prior art keywords
- battery
- charge
- discharge
- controller
- managing device
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- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery charge and discharge management device, comprising a power supply module, a controller, a charge and discharge control circuit, an output module and a charging management module; the output module comprises a battery load, a voltage sampling circuit and a current sampling circuit; the charging management module adopts a special-purpose charging management chip; the controller is connected to the battery through the charging management module; the controller reckons up the SOC value of the battery through the sampled battery output voltage signals and sampled battery output current signals and controls the charging management module to perform charging management on the battery. The invention also discloses a metering instrument utilizing the battery charge and discharge management device to perform battery management. The invention utilizes the discharge current and the discharge voltage of the battery, adopts the controller and the special-purpose battery charging management chip to finish the charge and discharge management. he battery charge and discharge management is more reasonable and scientific and compatible with the battery charge and discharge management of the lithium battery and the storage battery , and improves the reliability of the system and reduces the enterprise cost.
Description
Technical field
The measuring instrument that the present invention is specifically related to a kind of battery charge-discharge managing device and makes with this device.
Background technology
Along with the development of national economy technology and the raising of people's living standard, the function such as power-off operation, the preservation of power-off data of all kinds of consumer electrical equipment and industrial electrical installation becomes basic demand.Therefore, battery has progressively become one of consumer electrical equipment and the requisite back-up source of industrial electrical installation, and in order to environmental requirement with reduce costs, the battery of power supply is typically chosen in lead acid accumulator or lithium battery in support.In addition, along with extensively popularizing of back-up source battery, battery charge-discharge managing device also extensively supports the use together with battery, ensures performance and the working stability of back-up source battery.
But, current existing battery charge-discharge managing device, general employing electrical measurement module and MCU module realize, electrical measurement module sends the electric current and voltage collected and electricity to MCU, by the SOC(StateofCharge of MCU process estimating battery afterwards, charged state) value, thus realize the management to battery charge and discharge process; But the program is controlled battery by the software of MCU, software program is complicated, and control rate is lower, and reliability is poor.Simultaneously, because the performance of storage battery and lithium battery is incomplete same, therefore existing battery charge-discharge managing device is general causes manufacturer to need to research and develop separately and produce multi-class management of charging and discharging device only for the battery of single type, and the production of producer and R&D costs remain high.
Summary of the invention
An object of the present invention is to provide a kind of can realize the energy content of battery according to battery electric quantity state and discharge and recharge efficiently manages, reliability is high and the battery charge-discharge managing device of compatible lithium battery and storage battery simultaneously.
Two of object of the present invention is to provide a kind of measuring instrument applied described battery charge-discharge managing device and make, described measuring instrument is applied described battery charge-discharge managing device and is managed back-up source battery, ensures performance and the efficiency of back-up source battery.
This battery charge-discharge managing device provided by the invention, comprise power module, controller, charge-discharge control circuit and output module, output module comprises cell load, voltage sampling circuit and current sampling circuit, characterized by further comprising charge management module; The cell output voltage of controller by sampling and the SOC value of output current signal estimating battery, charge management module is connected with controller and receives the charging control signal of controller to battery, and charge management module is connected with battery and controls the charging process of battery simultaneously.
Battery charge-discharge managing device also comprises display module, and display module is connected with controller, for showing the parameter of battery charge-discharge managing device, and reports to the police in good time.
Battery charge-discharge managing device also comprises indicator light, and indicator light is connected with battery, for showing the charging and discharging state of battery.
Described charge management module is that LTC4020 chip is formed primarily of model.
Described charge-discharge control circuit is formed primarily of relay.
Transducer in described current sampling circuit adopts Hall current sensor.
Described power module comprises transformer, switching power source chip and linear low voltage difference pressurizer.
The SOC value of described estimating battery, estimates for adopting ampere-hour method and the SOC value of Kalman filtering method to battery.
The invention also discloses a kind of measuring instrument, it adopts described battery charge-discharge managing device to carry out management of charging and discharging to the battery in measuring instrument.
This battery charge-discharge managing device disclosed by the invention, utilize the discharging current of battery and the SOC value of discharge voltage estimating battery, and adopt controller and special battery charging management chip to complete the management of charging and discharging of battery according to the SOC value of battery, the management of charging and discharging more rationally science of battery, special chip is adopted to carry out management of charging and discharging, greatly improve the reliability of system, simultaneously due to the versatility of discharge and recharge chip and the versatility of circuit, the present invention can the battery charging and discharging management of simultaneously compatible lithium battery and storage battery, therefore effective production compared with Di Liao manufacturing enterprise and R&D costs.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present invention.
Fig. 2 is the circuit theory diagrams of a kind of embodiment of power module of the present invention.
Fig. 3 is the circuit theory diagrams of a kind of embodiment of controller of the present invention.
Fig. 4 is the circuit theory diagrams of a kind of embodiment of charge-discharge control circuit of the present invention and output module.
Fig. 5 is the circuit theory diagrams of a kind of embodiment of charge management module of the present invention.
Embodiment
Be illustrated in figure 1 functional block diagram of the present invention: this battery charge-discharge managing device provided by the invention, comprise power module, controller, charge-discharge control circuit and output module, output module comprises cell load, voltage sampling circuit, current sampling circuit and charge management module; Charge Management management adopts special charging management chip to form, controller connects battery by charge management module, controller by the cell output voltage of sampling and the SOC value of output current signal estimating battery, and controls charge management module and carries out Charge Management to battery.Display module is connected with controller, for showing the parameter of battery charge-discharge managing device, and reports to the police in good time.Indicator light is connected with battery, for showing the charging and discharging state of battery.Power module is powered to charge management module, controller and charge-discharge control circuit.
Be illustrated in figure 2 the circuit theory diagrams of a kind of embodiment of the power module of invention: outside 220V power supply is by the former limit of protective circuit (indicating RV1 and RT1 in figure) connection transformer afterwards, the secondary of transformer is divided into two groups of outputs, first group is 150mA, for controller and charge management module are powered, second group is 20mA, for charge-discharge control circuit is powered: first group of secondary is again by connecting power supply chip (indicating U401 in figure) after full-bridge rectification, filtering, power supply chip out-put supply (indicating DVCC in figure) is powered for controller and charge management module; Second group of secondary is by after unilateral diode (indicating D401 in figure), obtain out-put supply (indicating HV in figure) by after filter circuit (indicating EC403 and C403 in figure), then obtain relay power CVCC after connecting second source chip (indicating U400 in figure).
Be illustrated in figure 3 the circuit theory diagrams of a kind of embodiment of controller of the present invention: the power supply DVCC of controller is connected to the power pins of controller (indicating VDD in figure, No. 14 pins); No. 46 pins of controller are connected to ground by current-limiting resistance (indicating R107 in figure), a LED light (indicating LED101 in figure), and this LED light is used to indicate the running status of controller; No. 64 pins of controller are the sampling pin of cell voltage, and the output end voltage (indicating BAT_V in figure) of battery is by sampling resistor (indicating R101 and R104 in figure) ground connection, and controller is by the terminal voltage of the voltage detecting battery on sampling resistor R104.Controller by ampere-hour method and Kalman filtering algorithm, is estimated according to the discharge voltage of battery and the SOC value of discharging current to battery.
Be illustrated in figure 4 the circuit theory diagrams of a kind of embodiment of charge-discharge control circuit of the present invention and output module: in figure, battery (indicating BT in figure) is the battery needing to carry out managing.Input control device after positive pole (indicating BAT_V in figure) the direct connection sample circuit of battery; The positive pole of battery is connected to the negative pole of battery by resistance and LED light (indicating LED3010 in figure) simultaneously, and indicator light is used to indicate the charging and discharging state of battery; In addition, the positive pole of battery is also connected load afterwards by filter circuit (indicating C301 with C302 in figure), and this load is the electrically driven (operated) parts in measuring instrument, as measuring instrument be gas meter, flow meter time, this load is electromagnetically operated valve, and now this circuit is the circuit of battery-operated electromagnetically operated valve.The negative pole circuit of battery is in series with the switch of a relay (indicating RY301 in figure), the coil of relay be connected to on relay driving power (indicating INTVCC in figure), relay driving power is provided by charge management module; Relay is used for there is commercial power supply in outside, namely during external power source, disconnects battery to the driving of load, and outside without ensureing during commercial power supply that battery is to the driving of load.
Be illustrated in figure 5 the circuit theory diagrams of a kind of embodiment of charge management module of the present invention: in circuit diagram, acp chip is in LTC4020(figure and indicates U201); 34 pin of chip are connected with 35 pin of chip by filter capacitor (indicating C203 in figure), and this 34 pin is also the control pin of the relay coil of charge-discharge control circuit and output module simultaneously; 34 pins of chip should be connected to No. 12 pin and No. 13 pin of chip simultaneously by two LED (indicating LED201 and LED202 in figure); No. 20 pins of chip connect the positive pole of battery simultaneously.No. 17 pins of chip are connected to the negative pole of battery by resistance; 1 pin of chip, 2 pin, 6 pin, 18 pin, 19 pin, 22 pin, 23 pin, 24 pin, 26 pin, 27 pin are all directly connected with controller with 31 pin.
Claims (9)
1. a battery charge-discharge managing device, comprises power module, controller, charge-discharge control circuit and output module, and output module comprises cell load, voltage sampling circuit and current sampling circuit, characterized by further comprising charge management module; The cell output voltage of controller by sampling and the SOC value of output current signal estimating battery, charge management module is connected with controller and receives the charging control signal of controller to battery, and charge management module is connected with battery and controls the charging process of battery simultaneously.
2. battery charge-discharge managing device according to claim 1, characterized by further comprising display module, and display module is connected with controller, for showing the parameter of battery charge-discharge managing device, and reports to the police in good time.
3. battery charge-discharge managing device according to claim 1, characterized by further comprising indicator light, and indicator light is connected with battery, for showing the charging and discharging state of battery.
4., according to the battery charge-discharge managing device one of claim 1 ~ 3 Suo Shu, it is characterized in that described charge management module is that LTC4020 chip is formed primarily of model.
5., according to the battery charge-discharge managing device one of claim 1 ~ 3 Suo Shu, it is characterized in that described charge-discharge control circuit is formed primarily of relay.
6., according to the battery charge-discharge managing device one of claim 1 ~ 3 Suo Shu, it is characterized in that the transducer in described current sampling circuit adopts Hall current sensor.
7., according to the battery charge-discharge managing device one of claim 1 ~ 3 Suo Shu, it is characterized in that described power module comprises transformer, switching power source chip and linear low voltage difference pressurizer.
8. according to the battery charge-discharge managing device one of claim 1 ~ 3 Suo Shu, it is characterized in that the SOC value of described estimating battery, estimating for adopting ampere-hour method and the SOC value of Kalman filtering method to battery.
9. a measuring instrument, is characterized in that adopting the described battery charge-discharge managing device of one of claim 1 ~ 8 to carry out management of charging and discharging to the battery in measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938703.3A CN105375586A (en) | 2015-12-16 | 2015-12-16 | Battery charge and discharge management device and metering instrument manufactured by the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938703.3A CN105375586A (en) | 2015-12-16 | 2015-12-16 | Battery charge and discharge management device and metering instrument manufactured by the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375586A true CN105375586A (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510938703.3A Pending CN105375586A (en) | 2015-12-16 | 2015-12-16 | Battery charge and discharge management device and metering instrument manufactured by the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375586A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656152A (en) * | 2016-03-30 | 2016-06-08 | 上海铁路通信有限公司 | Portable battery management device for reader-writer of responder |
| CN105742723A (en) * | 2016-05-17 | 2016-07-06 | 江苏理工学院 | Low-temperature self-heating and high-temperature heat-dissipation overcharge-overdischarge prevention winding-type lithium battery and control method |
| CN106026287A (en) * | 2016-07-15 | 2016-10-12 | 长沙中坤电气科技股份有限公司 | High-precision battery charging-discharging management system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204118803U (en) * | 2014-09-24 | 2015-01-21 | 四川汇源光通信有限公司 | A kind of lead acid battery charge device |
| CN204145003U (en) * | 2014-09-26 | 2015-02-04 | 上海创力集团股份有限公司 | A kind of lithium battery management devices |
| CN104852435A (en) * | 2015-05-22 | 2015-08-19 | 聊城大学 | Electric automobile serial lithium battery management system and a management method thereof |
| CN105071453A (en) * | 2015-10-08 | 2015-11-18 | 河南行知专利服务有限公司 | Battery management system |
| CN205265284U (en) * | 2015-12-16 | 2016-05-25 | 威胜集团有限公司 | Battery charging/ discharging management device and metering device who makes with device |
-
2015
- 2015-12-16 CN CN201510938703.3A patent/CN105375586A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204118803U (en) * | 2014-09-24 | 2015-01-21 | 四川汇源光通信有限公司 | A kind of lead acid battery charge device |
| CN204145003U (en) * | 2014-09-26 | 2015-02-04 | 上海创力集团股份有限公司 | A kind of lithium battery management devices |
| CN104852435A (en) * | 2015-05-22 | 2015-08-19 | 聊城大学 | Electric automobile serial lithium battery management system and a management method thereof |
| CN105071453A (en) * | 2015-10-08 | 2015-11-18 | 河南行知专利服务有限公司 | Battery management system |
| CN205265284U (en) * | 2015-12-16 | 2016-05-25 | 威胜集团有限公司 | Battery charging/ discharging management device and metering device who makes with device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656152A (en) * | 2016-03-30 | 2016-06-08 | 上海铁路通信有限公司 | Portable battery management device for reader-writer of responder |
| CN105656152B (en) * | 2016-03-30 | 2018-03-02 | 上海铁路通信有限公司 | A kind of portable transponder read write line cell managing device |
| CN105742723A (en) * | 2016-05-17 | 2016-07-06 | 江苏理工学院 | Low-temperature self-heating and high-temperature heat-dissipation overcharge-overdischarge prevention winding-type lithium battery and control method |
| CN105742723B (en) * | 2016-05-17 | 2018-05-08 | 江苏理工学院 | The anti-overcharge mistake of low temperature self-heating high temperature heat dissipation puts coiling type lithium battery and control method |
| CN106026287A (en) * | 2016-07-15 | 2016-10-12 | 长沙中坤电气科技股份有限公司 | High-precision battery charging-discharging management system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
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| RJ01 | Rejection of invention patent application after publication |