CN206059545U - A kind of electric motor car lithium ion power power supply - Google Patents
A kind of electric motor car lithium ion power power supply Download PDFInfo
- Publication number
- CN206059545U CN206059545U CN201621063596.0U CN201621063596U CN206059545U CN 206059545 U CN206059545 U CN 206059545U CN 201621063596 U CN201621063596 U CN 201621063596U CN 206059545 U CN206059545 U CN 206059545U
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- Prior art keywords
- power supply
- management module
- battery
- lithium ion
- lithium
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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)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a kind of electric motor car lithium ion power power supply, including power box, lithium battery group is provided with casing, lithium battery group is in series by more piece ferric phosphate lithium ion battery, lithium battery group is connected with battery management module by Switching Power Supply, and display screen is connected with the battery management module；It is provided with and off switch between lithium battery group and the Switching Power Supply, battery management module is also associated with charge relay, electric discharge relay and enables the hot-wire coil of relay, the on and off switch of the enable control relay is connected on the charging of charger and makes on energy line.The battery management module of the electrical source of power is connected with lithium battery group by Switching Power Supply; directly powered to battery management module from lithium battery group; lead-acid accumulator is separately set in avoiding existing lithium battery power supply and is powered to battery management module causes the defect of circuit complexity; simplify circuit structure; energy effective monitoring and protection lithium ion battery are not damaged by, and effectively play the performance of lithium ion battery.
Description
Technical field
This utility model is related to technical field of lithium batteries, especially a kind of lithium ion power power supply for electric motor car.
Background technology
Nowadays electric bicycle has flown into the walking-replacing tool that common people family becomes the most frequently used, facilitates the trip of people
Demand.Electric motor car is originated using battery as energy, by parts such as controller, motors, converts electrical energy into mechanical energy motion,
The vehicle of speed is changed with control electric current size.However, the battery of electric motor car conventional at present mostly is lead-acid battery, service life
Short, energy density is low, and volume is necessarily large and bulky, and after battery is discarded, environmental pollution is serious, it would be highly desirable to which development of alternatives is existing to overcome
The shortcoming of lead-acid battery, solves the problem of environmental pollution that existing lead-acid battery is present.
Utility model content
This utility model provides a kind of electric motor car lithium ion power power supply, uses for solving existing electric bicycle
The problem of environmental pollution that lead-acid battery is present.
In order to solve the above problems, this utility model provides a kind of electric motor car lithium ion power power supply, including power supply box
Body, the casing are provided with charging inlet, electric discharge interface and display screen, and lithium battery group, the lithium battery are provided with the casing
Group is in series by more piece ferric phosphate lithium ion battery, and the lithium battery group is connected with battery management module by Switching Power Supply,
The battery management module is connected with each ferric phosphate lithium ion battery by battery winding displacement, the display screen and the battery management
Module is connected；The casing is provided with the on and off switch being connected between the lithium battery group and the Switching Power Supply, the case
The power supply indicator of the outfan for being connected in parallel on the Switching Power Supply, the charging inlet and the lithium battery group are additionally provided with body
The length that charge relay is in series with the line of both positive and negative polarity opens contact, the electric discharge interface and the both positive and negative polarity of the lithium battery group
The length that electric discharge relay is in series with line opens contact, and the battery management module is connected with the live wire of the charge relay
The hot-wire coil of circle and the electric discharge relay, the battery management module are also associated with the live wire for enabling control relay
Circle, the charging that the on and off switch for enabling control relay is connected on charger are made on energy line, the positive and negative terminal of the charger
Mouth is connected in the positive and negative terminals of the charging inlet.
The electric motor car that this utility model is provided lithium ion power power supply also has following technical characteristic：
Further, the lithium battery group is in series by the ferric phosphate lithium ion battery of 8 section 400AH, the switch electricity
Source is direct-current switch power supply, and the input voltage of the Switching Power Supply is 24V, and the output voltage of the Switching Power Supply is 12V.
Further, the two ends of the hot-wire coil of the electric discharge relay are also parallel with the live wire of DC control relay
Circle, is in series with point driving switch, the on and off switch of the DC control relay between the on and off switch and the Switching Power Supply
It is connected in parallel on the two ends of the point driving switch.
Further, the temperature sensor being connected with the battery management module is provided with the casing to detect the case
Internal temperature.
Further, the buzzer being connected with the battery management module is provided with the casing to be pointed out or be reported
It is alert.
Further, the battery management module is also associated with for detecting the electricity of the electric current of the lithium battery group discharge and recharge
Flow sensor.
This utility model has the advantages that：Using lithium ion battery as energy-storage units, with energy density it is high,
The advantages of small in volume, long service life, environmental protection；The battery management module of the electrical source of power by Switching Power Supply with
Lithium battery group is connected, and is directly powered to battery management module from lithium battery group, it is to avoid separately set plumbic acid in existing lithium battery power supply
Accumulator is powered to battery management module causes the defect of circuit complexity, simplifies circuit structure, can effective monitoring and protection lithium
Ion battery is not damaged by, and effectively plays the performance of lithium ion battery；On on and off switch closed-system after electricity, battery management module
Detect whether charger is online first, if detecting, charger is online, closure charge relay is started to charge up, while control
Electric discharge relay disconnects and being interlocked；If can't detect charger, it is defaulted as being discharged, closure electric discharge relay is carried out
Electric discharge, is interlocked while controlling charge relay and disconnecting, is realized the management of charging and discharging of lithium battery.
Description of the drawings
Structural representations of the Fig. 1 for the electric motor car lithium ion power power supply of this utility model embodiment.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing this utility model in detail.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in this utility model can be mutually combined.
In the one embodiment of electric motor car of the present utility model as shown in Figure 1 with lithium ion power power supply, the electric motor car
Include power box with lithium ion power power supply, the casing is provided with charging inlet 11, electric discharge interface 12 and display screen 13, institute
State, lithium battery group 20 is in series by the ferric phosphate lithium ion battery of more piece, lithium battery group 20
Battery management module 30 is connected with by Switching Power Supply 21, battery management module 30 by battery winding displacement 22 and each LiFePO4 from
Sub- battery is connected, and display screen 13 is connected with battery management module 30；The casing is provided with and is connected on lithium battery group 20 with switch
On and off switch 10 between power supply 21, is additionally provided with the power supply indicator of the outfan for being connected in parallel on Switching Power Supply 21 on the casing
14, the length that charge relay is in series with charging inlet 11 and the line of the both positive and negative polarity of lithium battery group 20 opens contact 41, and electric discharge connects
The length that electric discharge relay is in series with the line of the both positive and negative polarity of mouth 12 and lithium battery group 20 opens contact 51, and battery management module 30 connects
The hot-wire coil 52 of the hot-wire coil 42 and electric discharge relay of charge relay is connected to, battery management module 30 is also associated with enabling
The hot-wire coil 61 of control relay, the on and off switch 62 for enabling control relay are connected on the charging of charger 70 and make energy line 71
On, the positive and negative port of charger 70 is connected in the positive and negative terminals of charging inlet 11.It is understood that lithium battery group, battery
Management module and battery winding displacement etc. are known technology in lithium battery technology, be will not be described here.Electric motor car in the embodiment is used
Lithium ion power power supply, using lithium ion battery as energy-storage units, with energy density height, small in volume, uses the longevity
The advantages of life length, environmental protection；The battery management module of the electrical source of power is connected with lithium battery group by Switching Power Supply, by lithium electricity
Pond group is directly powered to battery management module, it is to avoid separately set lead-acid accumulator to battery management module in existing lithium battery power supply
Power supply causes the complicated defect of circuit, simplifies circuit structure, and energy effective monitoring and protection lithium ion battery are not damaged by, effectively
Play the performance of lithium ion battery；On on and off switch closed-system after electricity, battery management module detects that whether charger exists first
Line, if detecting, charger is online, closure charge relay is started to charge up, and is carried out mutually while controlling electric discharge relay and disconnecting
Lock；If can't detect charger, be defaulted as being discharged, closure electric discharge relay discharged, while control charge after
Electrical equipment disconnects and being interlocked, and realizes the management of charging and discharging of lithium battery.Specifically, battery management module is gathered by battery winding displacement
The information such as voltage, temperature per batteries, when the voltage of any one section lithium battery in lithium battery group reaches 3.65V, control is filled
Electrical relay disconnects and stops charging；When the voltage of any one section lithium battery in lithium battery group is less than 2.7V, control electric discharge relay
Device disconnects and stops electric discharge, simultaneously turns off the power supply circuits of battery management module, it is to avoid lithium battery overdischarge, it is ensured that the electrical source of power
It is normal to run.
In the above-described embodiments, electric motor car lithium ion power power supply also has following technical characteristic：Lithium battery group 20 is by 8
Section 400AH ferric phosphate lithium ion battery it is in series, Switching Power Supply 21 be direct-current switch power supply, Switching Power Supply 21 input electricity
Press as 24V, the output voltage of Switching Power Supply 21 is 12V, model PSD-30B-12 that the Switching Power Supply 21 is, thus by lithium electricity
The voltage-regulation of pond group output is the 12V DC voltages that battery management module needs.It is understood that can set as needed
Put the joint number of series connection ferric phosphate lithium ion battery, and the voltage-regulation that correspondingly lithium battery group is exported by selection DC power supply switch
For the 12V DC voltages that battery management module needs.
In the above-described embodiments, the two ends of the hot-wire coil 51 of electric discharge relay 50 are also parallel with DC control relay
Hot-wire coil 81, is in series with point driving switch 15, the break-make of DC control relay 80 between on and off switch 10 and Switching Power Supply 21
Switch 82 is connected in parallel on the two ends of point driving switch 15.When motor switch is pressed, battery management module control DC control relay
Hot-wire coil closure, on and off switch 82 closed 15 short circuit of point driving switch, connects the current supply circuit of battery management module；Need
When disconnecting the current supply circuit of battery management module, battery management module disconnects the hot-wire coil 81 of DC control relay, is powered
Switch 82 disconnects, it is possible thereby to realize the control system of switching on or off electricity of battery management module.
In the above-described embodiments, the temperature sensor 31 being connected with battery management module 30 is provided with casing described to detect
Temperature in casing.The buzzer 32 being connected with battery management module 30 is provided with casing to be pointed out or be reported to the police.Cell tube
Reason module 30 is also associated with for detecting the current sensor 33 of the electric current of 20 discharge and recharge of lithium battery group.In addition, cell tube
Reason module detects overcurrent warnings, low-temperature warning, high temperature alarm, pressure reduction warning and all can show in time on a display screen, and leads to
Cross buzzer prompting operator to safeguard in time.
Finally it should be noted that：Above example only to illustrate the technical solution of the utility model, rather than a limitation；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
Which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technology of this utility model
The spirit and scope of scheme.
Claims (6)
1. a kind of electric motor car lithium ion power power supply, including power box, the casing are provided with charging inlet, electric discharge interface
And display screen, it is characterised in that lithium battery group is provided with the casing, the lithium battery group is by more piece ferric phosphate lithium ion battery
In series, the lithium battery group is connected with battery management module by Switching Power Supply, and the battery management module passes through battery
Winding displacement is connected with each ferric phosphate lithium ion battery, and the display screen is connected with the battery management module；The casing is provided with
The on and off switch being connected between the lithium battery group and the Switching Power Supply, is additionally provided with the casing and is connected in parallel on the switch
The power supply indicator of the outfan of power supply, is in series with charging on the charging inlet and the line of the both positive and negative polarity of the lithium battery group
The length of relay opens contact, is in series with electric discharge relay on the electric discharge interface and the line of the both positive and negative polarity of the lithium battery group
Length opens contact, and the battery management module is connected with the energization of the hot-wire coil of the charge relay and the electric discharge relay
Coil, the battery management module are also associated with the hot-wire coil for enabling control relay, the enable control relay it is logical
Disconnection pass is connected on the charging of charger and makes on energy line.
2. electric motor car according to claim 1 lithium ion power power supply, it is characterised in that the lithium battery group is by 8 sections
The ferric phosphate lithium ion battery of 400AH is in series, the Switching Power Supply be direct-current switch power supply, the input of the Switching Power Supply
Voltage is 24V, and the output voltage of the Switching Power Supply is 12V.
3. electric motor car according to claim 2 lithium ion power power supply, it is characterised in that the electric discharge relay it is logical
The two ends of electric coil are also parallel with the hot-wire coil of DC control relay, go here and there between the on and off switch and the Switching Power Supply
Point driving switch is associated with, the on and off switch of the DC control relay is connected in parallel on the two ends of the point driving switch.
4. electric motor car according to claim 3 lithium ion power power supply, it is characterised in that be provided with the casing and institute
The connected buzzer of battery management module is stated to be pointed out or be reported to the police.
5. electric motor car according to claim 3 lithium ion power power supply, it is characterised in that the battery management module is also
It is connected with for detecting the current sensor of the electric current of the lithium battery group discharge and recharge.
6. electric motor car according to claim 3 lithium ion power power supply, it is characterised in that be provided with the casing and institute
The connected temperature sensor of battery management module is stated to detect the temperature in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063596.0U CN206059545U (en) | 2016-09-20 | 2016-09-20 | A kind of electric motor car lithium ion power power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063596.0U CN206059545U (en) | 2016-09-20 | 2016-09-20 | A kind of electric motor car lithium ion power power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059545U true CN206059545U (en) | 2017-03-29 |
Family
ID=58370540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063596.0U Expired - Fee Related CN206059545U (en) | 2016-09-20 | 2016-09-20 | A kind of electric motor car lithium ion power power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195961A (en) * | 2017-06-19 | 2017-09-22 | 东莞博力威新能源有限公司 | Electri forklift lithium-ion battery systems |
| CN109946621A (en) * | 2019-04-12 | 2019-06-28 | 广州市融成锂能锂电池有限公司 | Cell voltage full inspection circuit, device and method after a kind of lithium ion battery hot pressing chemical conversion |
| CN112590563A (en) * | 2020-12-31 | 2021-04-02 | 苏州绿控传动科技股份有限公司 | Structure for providing regulated power supply for automobile and control method thereof |
-
2016
- 2016-09-20 CN CN201621063596.0U patent/CN206059545U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195961A (en) * | 2017-06-19 | 2017-09-22 | 东莞博力威新能源有限公司 | Electri forklift lithium-ion battery systems |
| CN109946621A (en) * | 2019-04-12 | 2019-06-28 | 广州市融成锂能锂电池有限公司 | Cell voltage full inspection circuit, device and method after a kind of lithium ion battery hot pressing chemical conversion |
| CN109946621B (en) * | 2019-04-12 | 2024-03-22 | 广州市融成锂能锂电池有限公司 | Full detection circuit, equipment and method for battery voltage after thermal compression formation of lithium ion battery |
| CN112590563A (en) * | 2020-12-31 | 2021-04-02 | 苏州绿控传动科技股份有限公司 | Structure for providing regulated power supply for automobile and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |