CN201975812U - Circuit for managing charging and discharging on the basis of rechargeable battery - Google Patents
Circuit for managing charging and discharging on the basis of rechargeable battery Download PDFInfo
- Publication number
- CN201975812U CN201975812U CN2011200132746U CN201120013274U CN201975812U CN 201975812 U CN201975812 U CN 201975812U CN 2011200132746 U CN2011200132746 U CN 2011200132746U CN 201120013274 U CN201120013274 U CN 201120013274U CN 201975812 U CN201975812 U CN 201975812U
- Authority
- CN
- China
- Prior art keywords
- rechargeable battery
- circuit
- charging
- discharging
- management
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The embodiment of the utility model provides a circuit for managing charging and discharging on the basis of a rechargeable battery, which comprises a battery boosting and control output part circuit unit and a circuit control and management unit, wherein the battery boosting and control output part circuit unit is connected with the rechargeable battery for obtaining the input voltage of the rechargeable battery, and the input voltage is output to the rechargeable battery after being boosted by a boosting chip; and the circuit control and management unit is connected with the rechargeable battery for carrying out constant-voltage current-limiting charging to the rechargeable battery. According to the circuit provided by the embodiment of the utility model, large current output can be provided, an extended function can be realized, and the circuit is reliable and simple to design and has high cost performance.
Description
Technical field
The utility model relates to rechargeable battery, relates in particular to a kind of circuit of the management of charging and discharging based on rechargeable battery.
Background technology
At present, existing the type circuit is a lot, and application industry also has nothing in common with each other, but its characteristics are separately all arranged, the function that has is simple, and power output is little, can only realize simple battery charging and discharging function, and can not realize expanded function, can't flexible Application, its reliability is very poor, is mainly used in civilian; The design complexity that also has adopts special integrated circuit to realize, generally also can adopt MCU (Microprocessor Control Unit, MCU Microprocessor Control Unit) to come auxiliary the realization, so its cost is very high.
As seen, it is that the output of big electric current can be provided that prior art does not also have a kind of, and can realize expanded function, and simplicity of design is reliable, has the circuit of management of charging and discharging of the rechargeable battery of very high cost performance.
The utility model content
The utility model embodiment provides a kind of circuit of the management of charging and discharging based on rechargeable battery, big electric current output can be provided, and can realize expanded function, and simplicity of design is reliable, has very high cost performance.
On the one hand, the utility model embodiment provides a kind of circuit of the management of charging and discharging based on rechargeable battery, and the circuit of described management of charging and discharging comprises:
Battery boosts and controls the output circuit unit, links to each other with rechargeable battery, is used to obtain the input voltage of described rechargeable battery, exports described rechargeable battery to after utilizing the chip that boosts to boost to handle;
Circuit control and administrative unit link to each other with described rechargeable battery, are used for described rechargeable battery is carried out modified constant-voltage charge.
Optionally, in an embodiment of the present utility model, the described chip that boosts adopts the LM3478 chip.
Optionally, in an embodiment of the present utility model, described battery boosts and the electric capacity controlled in the output circuit unit adopts high-frequency ceramic electric capacity.
Optionally, in an embodiment of the present utility model, described circuit control and administrative unit adopt low pressure reduction metal-oxide semiconductor (MOS) metal-oxide-semiconductor FDN434P to realize charging control and discharge management.
Optionally, in an embodiment of the present utility model, described circuit control and administrative unit also comprise under-voltage detection and under-voltage protection module, are used for described rechargeable battery is carried out under-voltage detection and under-voltage protection.
Optionally, in an embodiment of the present utility model, described under-voltage detection and under-voltage protection module adopt the IMP809 chip that described rechargeable battery is carried out under-voltage detection, and carry out under-voltage protection and turn-off.
Optionally, in an embodiment of the present utility model, described circuit control and administrative unit, also comprise the power supply wake module, be used to obtain the power supply wake-up signal of input, be used for when described rechargeable battery turn-offs, by this power supply wake-up signal described rechargeable battery is powered and wake up.
Technique scheme has following beneficial effect: because adopt the circuit of described management of charging and discharging to comprise: battery boosts and controls the output circuit unit, link to each other with rechargeable battery, be used to obtain the input voltage of described rechargeable battery, export described rechargeable battery to after utilizing the chip that boosts to boost to handle; Circuit control and administrative unit link to each other with described rechargeable battery, are used for described rechargeable battery is carried out the technological means of modified constant-voltage charge, so big electric current output can be provided, and can realize expanded function, and simplicity of design is reliable, has very high cost performance.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the electrical block diagram of a kind of management of charging and discharging based on rechargeable battery of the utility model embodiment;
Fig. 2 is control of the utility model embodiment circuit and administrative unit structural representation;
Fig. 3 is the design circuit schematic diagram that the battery of the utility model application example boosted and controlled the output circuit unit;
Fig. 4 is the circuit control of the utility model application example and the design circuit schematic diagram of administrative unit.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be the electrical block diagram of a kind of management of charging and discharging based on rechargeable battery of the utility model embodiment, the circuit of described management of charging and discharging comprises:
Battery boosts and controls output circuit unit 11, links to each other with rechargeable battery 12, is used to obtain the input voltage of described rechargeable battery 12, exports described rechargeable battery 12 to after utilizing the chip that boosts to boost to handle;
Circuit control and administrative unit 13 link to each other with described rechargeable battery 12, are used for described rechargeable battery 12 is carried out modified constant-voltage charge.
Optionally, in an embodiment of the present utility model, the described chip that boosts adopts the LM3478 chip.
Optionally, in an embodiment of the present utility model, described battery boosts and the electric capacity controlled in the output circuit unit 11 adopts high-frequency ceramic electric capacity.
Optionally, in an embodiment of the present utility model, described circuit control and administrative unit 13 adopt low pressure reduction metal-oxide semiconductor (MOS) MOS (Metal Oxide Semiconductor, metal-oxide semiconductor (MOS)) pipe FDN434P to realize charging control and discharge management.
Optionally; as shown in Figure 2, be control of the utility model embodiment circuit and administrative unit structural representation, described circuit control and administrative unit; also comprise under-voltage detection and under-voltage protection module 131, be used for described rechargeable battery is carried out under-voltage detection and under-voltage protection.Optionally, in an embodiment of the present utility model, described under-voltage detection and under-voltage protection module 131 adopt the IMP809 chip that described rechargeable battery is carried out under-voltage detection, and carry out under-voltage protection and turn-off.Optionally, in an embodiment of the present utility model, described circuit control and administrative unit, also comprise power supply wake module 132, be used to obtain the power supply wake-up signal of input, be used for when described rechargeable battery turn-offs, by this power supply wake-up signal described rechargeable battery is powered and wake up.
In circuit design of the present utility model, to the charging and the discharge management function of rechargeable battery, select for use the LM3478 chip to finish the power supply of boosting, adopt the constant voltage and current limiting mode that rechargeable battery is charged.Simultaneously, adopt low pressure reduction metal-oxide-semiconductor FDN434P to realize charging and control and the discharge management, select for use the IMP809 chip to realize the under-voltage measuring ability of rechargeable battery, and can realize the under-voltage protection shutoff.
In circuit design of the present utility model, also realized power supply turn-off function voluntarily, accomplish that the software of power supply can turn-off control, simultaneously, also can realize the automatic arousal function of power supply under off-mode by external hardware trigger mode, enrich the function of circuit.
As shown in Figure 3, boost for the battery of the utility model application example and control the design circuit schematic diagram of output circuit unit.This partial circuit design, rechargeable battery control importation is BAT1, its input voltage adopts standard cell power supply input, its input voltage is less than 5V, generally between 2V to 4V, need do the processing of boosting, make supply power voltage reach and be stabilized in about 5V, its output accuracy can pass through R30, R31 resistance adjustment.In order to reach good, reliable and stable output result, C11 in the circuit, C12, C14, C15 select for use very crucial, are directly connected to These parameters and performance, should select high-frequency ceramic electric capacity for use, can obtain extraordinary output effect.5V_BAT is for adjusting the output voltage after boosting, and fan-out capability can satisfy general application requirements about 3A, and its dynamic parameter is fine, and unloaded output voltage fluctuation is in 5%.
As shown in Figure 4, be the circuit control of the utility model application example and the design circuit schematic diagram of administrative unit.The control and management circuit is the expanded application function, and it realizes the modified constant-voltage charge to rechargeable battery, and under-voltage and under-voltage protection, to reduce infringement and the impact to Ni-MH battery.For improving system's conversion efficiency, choosing of components and parts is most important, and the selection of parameter of resistance and electric capacity also is directly connected to the reliability and stability of this unit in the circuit.In the discharge control loop; select for use FDN434P to hang down the pressure difference switch pipe; utilization ratio that can the most effective raising rechargeable battery; cooperation parameter by other capacitance-resistances; can make the standard nickel hydrogen battery reach desirable charging and discharging state, simultaneously, utilize the effect of C17 and R23; protective effect that can reliable and stable realization circuit, good solution the misoperation of EMC when disturbing.In the circuit, K2 is the extraneous control input signals that triggers, and is convenient to rechargeable battery when turn-offing, and can power by this input and wake up; MIC_CS is the programmable software control input signals, enriches the application of this circuit.
At the reference and the analysis of existing scheme, this programme design mainly solves big electric current power supply and reaches at under-voltage detection and defencive function.In addition, also realized the controllability of this power supply, the design of being convenient to the user is used.Simultaneously, also at the chemical characteristic of common rechargeable nickel-hydrogen battery, under the prerequisite that improves its efficient, maximum possible reduces its power consumption to this conceptual design, is fit to the application of power of rechargeable battery electric power system.This programme has mainly solved three problems, and the one, big electric current output can be provided, output current can reach 2A, and can realize the under-voltage/over-voltage protection function; The 2nd, realize expanded function, can realize that software control and condition trigger function; The 3rd, satisfy the environment for use of industrial environment, and simplicity of design is reliable, has very high cost performance.Conceptual design is mainly considered cost factor, simplicity of design is reliable, can use under the harsh industrial condition of condition, and this conceptual design is according to EMC (Electro Magnetic Compatibility, Electro Magnetic Compatibility) 4 grades standard is carried out the strictness test, and good effect and application are all arranged.The utility model is realized discharging and recharging in the ball bearing made using design of a kind of rechargeable battery, pass through reasonable use and the parameter configuration of LM3478 in the circuit, satisfied the rational Application design under harsh industrial occasions, simultaneously, by simple detection and switch control, realize the management of charging and discharging function of rechargeable battery, also realized the control and the operation of this unit.In the utility model, the choosing via testing authentication repeatedly of some parameters, and circuit simulation can reliably solve the complex situations that this functional circuit runs in industrial occasions, and circuit is reliable and stable.Electro Magnetic Compatibility meets the EMC4 grade standard, can be applicable to other Industry Control occasions, is adapted to different complex work environment.
Need to prove that above-mentioned rechargeable battery is the explanation that example is carried out with the Ni-MH battery, other rechargeable batteries, for example lithium ion battery, fuel cell, solar cell etc. also can adopt this circuit design, and the utility model is not as limit.
The utility model belongs to innovative design, selects for use device and scheme all to have and the complete difference of other schemes in its design, and simplicity of design is reliable.Disturb at site environment in the design and also carried out corresponding protective design coupling, unique distinction is all arranged discharging and recharging control and the rechargeable battery output part of boosting.The utility model has carried out well-designed at electric power system The field environment, its perfect electromagnetic compatibility sexual compatibility long-time running is in the abominable occasion of electromagnetic environment.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct related hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise above-mentioned all or part of step, described storage medium, as: ROM/RAM, disk, CD etc.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is an embodiment of the present utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. the circuit based on the management of charging and discharging of rechargeable battery is characterized in that, the circuit of described management of charging and discharging based on rechargeable battery comprises:
Battery boosts and controls the output circuit unit, links to each other with rechargeable battery, is used to obtain the input voltage of described rechargeable battery, exports described rechargeable battery to after utilizing the chip that boosts to boost to handle;
Circuit control and administrative unit link to each other with described rechargeable battery, are used for described rechargeable battery is carried out modified constant-voltage charge.
2. according to claim 1 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
The described chip that boosts adopts the LM3478 chip.
3. according to claim 1 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
Described battery boosts and the electric capacity controlled in the output circuit unit adopts high-frequency ceramic electric capacity.
4. according to claim 1 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
Described circuit control and administrative unit adopt low pressure reduction metal-oxide semiconductor (MOS) metal-oxide-semiconductor FDN434P to realize charging control and discharge management.
5. according to claim 1 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
Described circuit control and administrative unit also comprise under-voltage detection and under-voltage protection module, are used for described rechargeable battery is carried out under-voltage detection and under-voltage protection.
As described in the claim 5 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
Described under-voltage detection and under-voltage protection module adopt the IMP809 chip that described rechargeable battery is carried out under-voltage detection, and carry out under-voltage protection and turn-off.
As described in the claim 5 based on the circuit of the management of charging and discharging of rechargeable battery, it is characterized in that,
Described circuit control and administrative unit also comprise the power supply wake module, are used to obtain the power supply wake-up signal of input, are used for when described rechargeable battery turn-offs, and by this power supply wake-up signal described rechargeable battery are powered and wake up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200132746U CN201975812U (en) | 2011-01-17 | 2011-01-17 | Circuit for managing charging and discharging on the basis of rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200132746U CN201975812U (en) | 2011-01-17 | 2011-01-17 | Circuit for managing charging and discharging on the basis of rechargeable battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975812U true CN201975812U (en) | 2011-09-14 |
Family
ID=44580910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200132746U Expired - Lifetime CN201975812U (en) | 2011-01-17 | 2011-01-17 | Circuit for managing charging and discharging on the basis of rechargeable battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044386A (en) * | 2015-06-29 | 2015-11-11 | 中国农业大学 | Aquatic animal behavior monitoring sensor |
| CN113675904A (en) * | 2021-01-04 | 2021-11-19 | 青岛鼎信通讯股份有限公司 | A nickel-hydrogen battery charge-discharge management circuit for gathering terminal |
-
2011
- 2011-01-17 CN CN2011200132746U patent/CN201975812U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044386A (en) * | 2015-06-29 | 2015-11-11 | 中国农业大学 | Aquatic animal behavior monitoring sensor |
| CN113675904A (en) * | 2021-01-04 | 2021-11-19 | 青岛鼎信通讯股份有限公司 | A nickel-hydrogen battery charge-discharge management circuit for gathering terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201789318U (en) | Mobile phone power supply device with leather case battery for power supply | |
| CN208142879U (en) | A kind of charging control circuit and charging unit | |
| CN201975812U (en) | Circuit for managing charging and discharging on the basis of rechargeable battery | |
| CN201750187U (en) | Solar-energy charging device | |
| CN200987080Y (en) | Solar energy notebook computer power supply device | |
| CN202276158U (en) | Portable solar energy mobile power supply | |
| CN203574435U (en) | Charger control circuit | |
| CN203407010U (en) | Audio playing circuit and audio playing device | |
| CN202930974U (en) | Constant current and constant voltage charger based on variable three-terminal regulator | |
| CN203039414U (en) | Program-controlled pulse compensation type charger | |
| CN203984062U (en) | Lithium battery frequency conversion quick-charging circuit | |
| CN205141801U (en) | Intelligent power generation system | |
| CN204155219U (en) | A kind of wireless mouse | |
| CN201352723Y (en) | Power transforming and solar energy charging circuit | |
| CN203951221U (en) | A kind of uninterrupted power supply charging circuit | |
| CN202616821U (en) | Efficient mobile power supply | |
| CN203595761U (en) | Detection device of lithium battery charger | |
| CN202503336U (en) | High efficient automatic management module of backup battery of intelligent concentrator | |
| CN203225554U (en) | Solar energy lithium battery charger based on single-chip microcomputer | |
| CN204886242U (en) | A lithium battery measurement circuit for portable on --spot check gauge | |
| CN205141800U (en) | A controller and intelligent power generation system for intelligent power generation system | |
| CN200987075Y (en) | Square shaped lithium ion secondary battery precharging device | |
| TW200640105A (en) | Battery charging device and method thereof | |
| CN205017079U (en) | Direct current steady voltage charger | |
| CN204681139U (en) | USB port cellular li-ion battery two grades of chargers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Patentee after: BEIJING YUPONT ELECTRIC POWER TECHNOLOGY CO., LTD. Address before: 100045 Beijing Fuxingmenwai Di Zang an Nan Xiang No. Patentee before: Beijig Yupont Electric Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |