CN201515245U - Display type computational storage battery real-time electricity charge-discharge protection management system - Google Patents
Display type computational storage battery real-time electricity charge-discharge protection management system Download PDFInfo
- Publication number
- CN201515245U CN201515245U CN2009202098831U CN200920209883U CN201515245U CN 201515245 U CN201515245 U CN 201515245U CN 2009202098831 U CN2009202098831 U CN 2009202098831U CN 200920209883 U CN200920209883 U CN 200920209883U CN 201515245 U CN201515245 U CN 201515245U
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- storage battery
- sampling circuit
- current sample
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a display type computational storage battery real-time charge-discharge protection management system, which comprises a charge current sampling circuit, a discharge current sampling circuit, a voltage sampling circuit, a temperature sampling circuit, a singlechip circuit, a display circuit, a 485 communication circuit, a computation and control template, a protection circuit and a buzzer circuit, wherein the charge current sampling circuit is connected in series between a charge circuit and a storage battery; the discharge current sampling circuit is connected in series between the storage battery and the protection circuit; the voltage sampling circuit and the temperature sampling circuit are connected with the storage battery; and the charge current sampling circuit, the discharge current sampling circuit, the voltage sampling circuit, the temperature sampling circuit, the display circuit, the 485 communication circuit, the computation and control template, the protection circuit and the buzzer circuit are connected with the singlechip circuit. Compared with the prior art, the system has the advantages of accurate electricity valve computation, strong communication function and the like.
Description
Technical field
The utility model relates to a kind of power-supply management system, especially relates to the instant electric weight charge and discharge protecting of a kind of display type calculation type storage battery management system.
Background technology
Along with the continuous development that new green power utilizes, many using energy source schemes (for example solar energy, wind energy etc.) all depend on electrical power storage that storage battery will obtain in short-term in storage battery, utilize the electric energy that takes care of the pence to provide the operation power supply for load equipment.In the actual use, apparatus of load can be because people's the instant variation that needs between the generation 0%～100%, for under such application conditions, accurately the instant capacity of report storage battery is particularly important, utilizes computer that the electric weight of storage battery is replenished (charging) and uses the cycle calculations incessantly of (discharge) to achieve this end.
The utilization of these new forms of energy simultaneously; at first be used the far away and unattended system of distance actual power equipment; employing have ability to communicate, can the writing task process in various parameters and warning, power-supply management system with self-protection function, will help remote diagnosis, failure reason analysis and the fast quick-recovery of system.
But product in the market all is the instant capacity that is converted to storage battery by the instant voltage of measuring storage battery, because in the battery-driven circuit of determining, the voltage at the two ends of storage battery can change because of the variation of load.Therefore for constant load, such method is at the real time capacity that to a certain degree can generally convert out storage battery, but for varying duty, such method just can't be converted out the real time capacity of storage battery according to the height of voltage.
The secondary battery protection circuit in market all adopts analog circuit to realize now simultaneously, and the protective circuit use components and parts that made up by analog circuit are many, build is big, accuracy is relatively poor and it is longer to detect the complicated time of debugging.The universal product on the market does not have daily record, communication function now.
485 communicating circuits of Chu Xianing are formed by 485 chips and some circuit elements combination of devices herein, and this circuit is followed the RS-485 communication standard.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of instant electric weight charge and discharge protecting of display type calculation type storage battery management system with daily record and communication function for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
The instant electric weight charge and discharge protecting of a kind of display type calculation type storage battery management system; it is characterized in that; this system comprises the charging current sample circuit; the discharging current sample circuit; voltage sampling circuit; temperature sampling circuit; single chip circuit; display circuit; 485 communicating circuits; calculate and control template; protective circuit; buzzer circuit; described charging current sample circuit is connected between charging circuit and the storage battery; described discharging current sample circuit is connected between storage battery and the protective circuit; described protective circuit is connected between discharging current sample circuit and the discharge load; described voltage sampling circuit; temperature sampling circuit is connected with storage battery; described charging current sample circuit; the discharging current sample circuit; voltage sampling circuit; temperature sampling circuit; display circuit; 485 communicating circuits; calculate and control template; protective circuit; buzzer circuit is connected with single chip circuit, described 485 communicating circuits respectively with other control appliances; the daily record fetch equipment connects.
Described charging circuit can be electricity generation system.
Compared with prior art, the utlity model has following advantage:
1, adopt single-chip microcomputer can accurately calculate the voltage and current parameter of charge circuit, discharge loop, branch circuit and battery, the battery capacity that calculates is accurate, and the variation with load does not change.
2, have stronger communication function, can be with relevant parameter, by communication interface, the agreement to set is transferred to each relevant device, helps the overall understanding of each system to the storage battery power supply parameter, makes that those system works are more reliable and more stable.
3, adopt the single-chip microcomputer and the digital circuit of Highgrade integration, save the bigger analog component of many volumes, product becomes smaller and more exquisite, can be installed in more easily in the various battery systems, and system's operational reliability improves.That adopts single-chip microcomputer carries out the work protection to employing data computation result to storage battery and load equipment, the threshold values precise control, and protection precision height has been avoided the long-time and complex detection debug process of simulation protective circuit.Adopt the interior storage capacity of single-chip microcomputer, can carry out record to the course of work of system easily, help inspection, diagnosis and the maintenance of system.After adopting single-chip microcomputer, substitute in the past analog comparator, make that the production operation is simple more, rate of finished products is high, the cost reduction with program calculated result.
Description of drawings
Fig. 1 is the structural representation of the instant electric weight charge and discharge protecting of the utility model display type calculation type storage battery management system.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1; the instant electric weight charge and discharge protecting of a kind of display type calculation type storage battery management system; this system comprises charging current sample circuit 1; discharging current sample circuit 2; voltage sampling circuit 3; temperature sampling circuit 4; single chip circuit 5; display circuit 6; 485 communicating circuits 7; calculate and control template 8; protective circuit 9; buzzer circuit 10; described charging current sample circuit 1; discharging current sample circuit 2 is gathered current changing signal in real time; issue single chip circuit 5 after current changing signal is converted into voltage signal; described temperature sampling circuit 4 is gathered the variations in temperature signal of storage battery; issue single chip circuit 5 after the variations in temperature signal is converted into voltage signal; described voltage collection circuit 3 is gathered the voltage change signal of storage battery and is sent it to single chip circuit 5; 5 pairs of signals of receiving of described single chip circuit are handled; calculation of parameter in this processing procedure; logic determines; data are preserved; report to the police to wait by calculating with control template 8 and control, described single-chip microcomputer is handled the back and is shown in real time by 6 pairs of calculating of display circuit and data monitored; by 485 communicating circuits 7 to other control appliance 12; daily record fetch equipment and software 13 output electric weight; charging current; discharging current; battery tension; temperature and warning message.
Current sampling circuit 1 is connected in the loop of electricity generation system or charging circuit 14 and storage battery 11, makes current sampling circuit 1 can correctly collect storage battery 11 charging currents; Current sampling circuit 2 is connected in the loop of storage battery 11 and discharge load 15, makes current sampling circuit 2 can correctly collect storage battery 11 discharging currents;
After system start-up, system has and just can begin parameters and accumulator electric-quantity are detected in real time, calculate and by 485 communicating circuit interfaces outwards an output monitoring parameter and result of calculation.
Idiographic flow of the present utility model is as follows:
The 101st step, system start-up;
The 102nd step, initialization relevant device and port;
In the 103rd step, single-chip microcomputer has judged whether communication instruction;
The 104th step, if be judged as and be, then execute instruction and respond, returned for the 103rd step then;
In the 105th step,, then judge whether to press function key if be judged as not;
The 106th step if be judged as was, then the audit function key requires and shows corresponding data, returns 3 then);
In the 107th step,, then collect each sampled data and trap signal burr if be judged as not;
In the 108th step, judge whether signal is unusual;
The 109th step, if yes, buzzer warning then, and judge whether to need to cut off load, if otherwise return 3), then cut off load if yes;
In the 110th step,, then calculate electric weight, writing time charge value and other parameter values and preserving if not;
In the 111st step, display shows electric weight;
In the 112nd step, single-chip microcomputer is exported numerical value to 485 electric weight, and returns 3).
Storage battery of the present utility model also can be batteries.
Described 485 communicating circuits 7 are according to serial communication protocol and external communication, each protocol instructions is made up of six fields, be respectively start bit, destination device address, instruction is long, instruction type, command code, check code, instruction beginning of start bit sign, the equipment that the instruction of target identification address descriptor is about to mail to, the long length of describing the follow-up part of instruction of instruction, instruction type is described work or the communication that instruction will be carried out, command code is described and to be required the concrete work that target identification carries out or the content of transmission data, check code is to instructing the chesksum calculated value of back four fields of long beginning.
Claims (2)
1. the instant electric weight charge and discharge protecting of display type calculation type storage battery management system; it is characterized in that; this system comprises the charging current sample circuit; the discharging current sample circuit; voltage sampling circuit; temperature sampling circuit; single chip circuit; display circuit; 485 communicating circuits; calculate and control template; protective circuit; buzzer circuit; described charging current sample circuit is connected between charging circuit and the storage battery; described discharging current sample circuit is connected between storage battery and the protective circuit; described protective circuit is connected between discharging current sample circuit and the discharge load; described voltage sampling circuit; temperature sampling circuit is connected with storage battery; described charging current sample circuit; the discharging current sample circuit; voltage sampling circuit; temperature sampling circuit; display circuit; 485 communicating circuits; calculate and control template; protective circuit; buzzer circuit is connected with single chip circuit, described 485 communicating circuits respectively with other control appliances; the daily record fetch equipment connects.
2. the instant electric weight charge and discharge protecting of a kind of display type calculation type storage battery according to claim 1 management system is characterized in that described charging circuit can be electricity generation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202098831U CN201515245U (en) | 2009-09-22 | 2009-09-22 | Display type computational storage battery real-time electricity charge-discharge protection management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202098831U CN201515245U (en) | 2009-09-22 | 2009-09-22 | Display type computational storage battery real-time electricity charge-discharge protection management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201515245U true CN201515245U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202098831U Expired - Fee Related CN201515245U (en) | 2009-09-22 | 2009-09-22 | Display type computational storage battery real-time electricity charge-discharge protection management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201515245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887832A (en) * | 2012-12-19 | 2014-06-25 | 比亚迪股份有限公司 | Portable power source, and system which is in communication with the same |
-
2009
- 2009-09-22 CN CN2009202098831U patent/CN201515245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887832A (en) * | 2012-12-19 | 2014-06-25 | 比亚迪股份有限公司 | Portable power source, and system which is in communication with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |