CN205178566U - Lithium iron phosphate battery power supply system - Google Patents
Lithium iron phosphate battery power supply system Download PDFInfo
- Publication number
- CN205178566U CN205178566U CN201520915980.8U CN201520915980U CN205178566U CN 205178566 U CN205178566 U CN 205178566U CN 201520915980 U CN201520915980 U CN 201520915980U CN 205178566 U CN205178566 U CN 205178566U
- Authority
- CN
- China
- Prior art keywords
- circuit
- ferric phosphate
- lithium cell
- phosphate lithium
- mechanical switch
- 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 - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium iron phosphate battery power supply system, be provided with the lithium iron phosphate group battery in the box, lithium iron phosphate group battery and total mechanical switch circuit connection, total mechanical switch is through first circuit and direct current contactor line connection, total mechanical switch passes through the second circuit and is connected with charger interface circuit, be provided with the tertiary circuit between first circuit and the second circuit, it is the circuit board to be connected with lithium battery management on the tertiary circuit, the tertiary circuit is provided with first diode in the one end of first circuit, the charger interface passes through fourth circuit and direct current contactor line connection. The lithium iron phosphate battery pack passes through total mechanical switch and directly gives the power supply of lithium battery management system circuit board, and voltage, temperature, electric current that lithium battery management system circuit board was mainly accomplished the battery cell of lithium iron phosphate battery pack detect and control dependence device completion protection, total mechanical switch and other switches supply the user to use, green clean, the life of extension group battery.
Description
Technical field
The utility model relates to electri forklift power technique fields, particularly relates to a kind of ferric phosphate lithium cell electric power system.
Background technology
Old-fashioned electri forklift uses lead acid accumulator, and the capacity of this battery is little, and self discharge amount is large, and the life-span is short, and environmental pollution is serious.Ferric phosphate lithium cell has specific power and specific energy is high, green non-pollution, the distinguishing features such as long service life, is the optimum substitute products of lead acid accumulator, represents the direction of novel secondary storage battery development.Therefore, prior art needs further improvement and development.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of ferric phosphate lithium cell electric power system.
For solving the problems of the technologies described above, the utility model scheme comprises:
A kind of ferric phosphate lithium cell electric power system, it comprises casing, wherein, the ferric phosphate lithium cell group be made up of multiple ferric phosphate lithium cell monomer is provided with in casing, ferric phosphate lithium cell group is connected with total mechanical switching circuit, total mechanical switch is by the first circuit and D.C. contactor connection, total mechanical switch is connected with charger interface circuit by second circuit, tertiary circuit is provided with between first circuit and second circuit, tertiary circuit being connected with lithium battery management is circuit board, tertiary circuit is provided with the first diode in one end of the first circuit, charger interface is by the 4th circuit and D.C. contactor connection, it is that tertiary circuit between circuit board is provided with the 5th circuit that first diode and lithium battery manage, 5th circuit is connected with an auxiliary relay, lithium battery management is that circuit board is directly connected with auxiliary relay by the 6th circuit, auxiliary relay is connected with second circuit by the 7th circuit, 4th circuit is provided with the 8th circuit, 8th circuit is connected with the 5th circuit, 8th circuit is provided with the second diode.
Described ferric phosphate lithium cell electric power system, wherein, each ferric phosphate lithium cell monomer is provided with temperature sensor and control line interface, adjacent two ferric phosphate lithium cell monomers are connected by corresponding control line interface, the above-mentioned ferric phosphate lithium cell group of the monomer series-connected formation of all ferric phosphate lithium cells, it is that circuit board line is connected that temperature sensor all manages with lithium battery.
Described ferric phosphate lithium cell electric power system, wherein, the first circuit between above-mentioned first diode and total mechanical switch is provided with an electric discharge interface, electric discharge interface, above-mentioned total mechanical switch, charger interface are all arranged on casing.
Described ferric phosphate lithium cell electric power system, wherein, above-mentioned casing is provided with handle.
A kind of ferric phosphate lithium cell electric power system that the utility model provides, ferric phosphate lithium cell group is powered directly to lithium battery management system circuit board by total mechanical switch, and lithium battery management system circuit board mainly completes the voltage of the cell to ferric phosphate lithium cell group, temperature, electric current detect and control related device and complete protection; Total mechanical switch and other switches are for user, and green non-pollution, extends the useful life of battery pack.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of ferric phosphate lithium cell electric power system in the utility model;
Fig. 2 is the structural representation of ferric phosphate lithium cell group in the utility model;
Fig. 3 is the structural representation of casing in the utility model.
Embodiment
The utility model provides a kind of ferric phosphate lithium cell electric power system, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of ferric phosphate lithium cell electric power system, as shown in Figures 1 and 2, it comprises casing 1, wherein, the ferric phosphate lithium cell group 3 be made up of multiple ferric phosphate lithium cell monomer 2 is provided with in casing 1, ferric phosphate lithium cell group 3 is connected with total mechanical switch 4 circuit, total mechanical switch 4 is by the first circuit 5 and D.C. contactor 6 connection, total mechanical switch 4 is connected with charger interface 8 circuit by second circuit 7, tertiary circuit 9 is provided with between first circuit 5 and second circuit 7, tertiary circuit 9 being connected with lithium battery management is circuit board 10, tertiary circuit 9 is provided with the first diode 11 in one end of the first circuit 5, charger interface 8 is by the 4th circuit 12 and D.C. contactor 6 connection, it is that tertiary circuit 9 between circuit board 10 is provided with the 5th circuit 13 that first diode 11 and lithium battery manage, 5th circuit 13 is connected with an auxiliary relay 14, lithium battery management is that circuit board 10 is directly connected with auxiliary relay 14 by the 6th circuit 15, auxiliary relay 14 is connected with second circuit 7 by the 7th circuit 16, 4th circuit 12 is provided with the 8th circuit 17, 8th circuit 17 is connected with the 5th circuit 13, 8th circuit 17 is provided with the second diode 18.
Lithium battery management is that the MCU of circuit board 10 comprises 1 SPI interface and detects special chip with series battery voltage and be connected, 1 AD and HALL is connected, 1 DC/DC power supply is to power supplies such as MCU, 1 temperature sensor interface is made up of a GPIO and power line, ground wire, and a relay interface is made up of a GPIO and power line, ground wire.
Further, as shown in Figure 2, each ferric phosphate lithium cell monomer 2 is provided with temperature sensor 19 and control line interface 20, adjacent two ferric phosphate lithium cell monomers 2 are connected by corresponding control line interface 20, all ferric phosphate lithium cell monomers 2 above-mentioned ferric phosphate lithium cell group 3 in series, it is circuit board 10 connection that temperature sensor 19 all manages with lithium battery.
Further, the first circuit 5 between above-mentioned first diode 11 and total mechanical switch 4 is provided with an electric discharge interface 21, electric discharge interface 21, above-mentioned total mechanical switch 4, charger interface 8 are all arranged on casing 1.And above-mentioned casing 1 is provided with handle 22, be user-friendly to.
The running that ferric phosphate lithium cell electric power system is concrete is: charger interface 8 connects power supply, charges to ferric phosphate lithium cell group 3.User in use, first close total mechanical switch 4, now start working by ferric phosphate lithium cell electric power system; After startup completes, charger is started working.When after ferric phosphate lithium cell group 3 charging complete, ferric phosphate lithium cell control of power supply system auxiliary relay 14 disconnects and D.C. contactor 6 is disconnected, and realizes ferric phosphate lithium cell group 3 charging termination.When there is non-normal use (excess temperature, overvoltage, under-voltage) in ferric phosphate lithium cell group 3; ferric phosphate lithium cell control of power supply system auxiliary relay 14 disconnects and D.C. contactor 6 is disconnected; the discharge and recharge realizing ferric phosphate lithium cell group 3 stops, and ferric phosphate lithium cell group 3 is protected.First diode 11, second diode 18 is for realizing when ferric phosphate lithium cell group 3 there is not electricity completely, and external power source is that ferric phosphate lithium cell electric power system is powered by charger, ensure that the normal work of ferric phosphate lithium cell electric power system.
Certainly; more than illustrate and be only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this specification; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this specification, protection of the present utility model ought to be subject to.
Claims (4)
1. a ferric phosphate lithium cell electric power system, it comprises casing, it is characterized in that, the ferric phosphate lithium cell group be made up of multiple ferric phosphate lithium cell monomer is provided with in casing, ferric phosphate lithium cell group is connected with total mechanical switching circuit, total mechanical switch is by the first circuit and D.C. contactor connection, total mechanical switch is connected with charger interface circuit by second circuit, tertiary circuit is provided with between first circuit and second circuit, tertiary circuit being connected with lithium battery management is circuit board, tertiary circuit is provided with the first diode in one end of the first circuit, charger interface is by the 4th circuit and D.C. contactor connection, it is that tertiary circuit between circuit board is provided with the 5th circuit that first diode and lithium battery manage, 5th circuit is connected with an auxiliary relay, lithium battery management is that circuit board is directly connected with auxiliary relay by the 6th circuit, auxiliary relay is connected with second circuit by the 7th circuit, 4th circuit is provided with the 8th circuit, 8th circuit is connected with the 5th circuit, 8th circuit is provided with the second diode.
2. ferric phosphate lithium cell electric power system according to claim 1, it is characterized in that, each ferric phosphate lithium cell monomer is provided with temperature sensor and control line interface, adjacent two ferric phosphate lithium cell monomers are connected by corresponding control line interface, the above-mentioned ferric phosphate lithium cell group of the monomer series-connected formation of all ferric phosphate lithium cells, it is that circuit board line is connected that temperature sensor all manages with lithium battery.
3. ferric phosphate lithium cell electric power system according to claim 1, it is characterized in that, the first circuit between above-mentioned first diode and total mechanical switch is provided with an electric discharge interface, and electric discharge interface, above-mentioned total mechanical switch, charger interface are all arranged on casing.
4. ferric phosphate lithium cell electric power system according to claim 1, is characterized in that, above-mentioned casing is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520915980.8U CN205178566U (en) | 2015-11-17 | 2015-11-17 | Lithium iron phosphate battery power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520915980.8U CN205178566U (en) | 2015-11-17 | 2015-11-17 | Lithium iron phosphate battery power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178566U true CN205178566U (en) | 2016-04-20 |
Family
ID=55742503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520915980.8U Expired - Fee Related CN205178566U (en) | 2015-11-17 | 2015-11-17 | Lithium iron phosphate battery power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205178566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736080A (en) * | 2018-04-11 | 2018-11-02 | 王震 | The system of power battery pack |
-
2015
- 2015-11-17 CN CN201520915980.8U patent/CN205178566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736080A (en) * | 2018-04-11 | 2018-11-02 | 王震 | The system of power battery pack |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20171117 |