CN208400987U - A kind of portable energy-storing lithium titanate battery group - Google Patents
A kind of portable energy-storing lithium titanate battery group Download PDFInfo
- Publication number
- CN208400987U CN208400987U CN201821028622.5U CN201821028622U CN208400987U CN 208400987 U CN208400987 U CN 208400987U CN 201821028622 U CN201821028622 U CN 201821028622U CN 208400987 U CN208400987 U CN 208400987U
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- CN
- China
- Prior art keywords
- circuit
- voltage
- lithium titanate
- battery group
- titanate battery
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- 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.)
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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
Abstract
The utility model discloses a kind of portable energy-storing lithium titanate battery group, including lithium titanate battery group, charging circuit, battery pack protective circuit, direct voltage output conversion circuit and DC voltage deliver stream inverter circuit；Direct voltage output conversion circuit and DC voltage are delivered stream inverter circuit and are connect respectively with the output end of lithium titanate battery group, parameter voltages required for direct voltage output conversion circuit is used to the DC voltage of lithium titanate battery group be converted into simultaneously export, and DC voltage, which is delivered stream inverter circuit and is used for, to be ac output voltage the DC voltage inversion of lithium titanate battery group and export；Charging circuit is connect with the input terminal of lithium titanate battery group；Battery pack protective circuit is connected electrically in charging circuit, lithium titanate battery group, direct voltage output conversion circuit and DC voltage and delivers between stream inverter circuit, realizes over-voltage protection function.The utility model has the advantages that can to increase that continuation of the journey, environment versatility is wide, charging rate is fast, the high no risk of explosion of security performance.
Description
Technical field
The utility model relates to power technique fields more particularly to a kind of portable energy-storing lithium titanate battery groups.
Background technique
With social development, electricity seems essential in daily life and work, but it is standby usually to encounter outdoor electricity consumption, equipment
A series of problems, such as electricity, power failure, had a power failure the normal potluck that gets married especially in the summer of peak of power consumption；Or it is some remotely
Area, the country for enduring chaos caused by war to the fullest extent, are also usually faced with power-off and electricity consumption problem, and the portable product for storing power supply becomes as them
Solve one of the selection of these problems, in fact, portable energy-storing power supply is not only employed in family, office, enterprise, play staff,
Photography travelling, fire-fighting, medical treatment, is speedily carried out rescue work, caravan, yacht, communication, exploration, construction, camping, mountain-climbing, army, army, school's reality
The various fields such as room, satellite research institute, telecomm base station are tested, all may become this product potential consumer group energetically in future
The field and.
Although there is some energy storaging products in the market, entirely using lithium ion battery as energy-storage units, although can be with
Meeting certain environmental requirement, but has the deficiency of itself, common lithium-ion electric core does not have high magnification charge characteristic,
Powerful flash-over characteristic, low-temperature characteristics difference discharge capacity is low, outdoor property does not have titanium lithium battery high.Therefore, there is an urgent need to one kind
Energy-storage units promote the reliability of energy storaging product, usability, the lower security performance of hot conditions of extremely cold weather, therefore send out herein
A kind of portable energy-storing lithium titanate battery group is illustrated.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind can increase continuation of the journey, environment versatility it is wide,
Charging rate is fast, the portable energy-storing lithium titanate battery group of the high no risk of explosion of security performance.
The technical solution of the utility model is as follows: a kind of portable energy-storing lithium titanate battery group, including lithium titanate battery group,
Charging circuit, battery pack protective circuit, direct voltage output conversion circuit and DC voltage deliver stream inverter circuit；The direct current
Voltage output conversion circuit and DC voltage are delivered stream inverter circuit and are connect respectively with the output end of lithium titanate battery group, described straight
Parameter voltages required for galvanic electricity pressure output conversion circuit is used to the DC voltage of lithium titanate battery group be converted into simultaneously export, institute
It states DC voltage and delivers stream inverter circuit to be used for and be ac output voltage the DC voltage inversion of lithium titanate battery group and export；
The charging circuit is connect with the input terminal of lithium titanate battery group, and the charging circuit is used to input voltage being converted into lithium titanate
Charging voltage required for battery pack simultaneously carries out Charge Management function；The battery pack protective circuit be connected electrically in charging circuit,
Lithium titanate battery group, direct voltage output conversion circuit and DC voltage are delivered between stream inverter circuit, the battery pack protection
Circuit realizes the over-voltage protection function to lithium titanate battery group for sampling to the voltage of lithium titanate battery group.
It further, further include display circuit, the output end of the direct voltage output conversion circuit passes through display control
Circuit is electrically connected display circuit, and the display circuit is for showing that output state and electricity are shown.
Further, the direct voltage output conversion circuit passes through synchronous BUCK, BOOST circuit, and input is connected to electricity
Pond group protects circuit, realizes lithium titanate battery group voltage being converted to DC voltage required for output.
Further, the direct voltage output conversion circuit includes DC/DC conversion circuit and the first output interface, described
The output end of lithium titanate battery group is electrically connected the first output interface by DC/DC conversion circuit.
Further, it includes DC/AC conversion circuit and the second output interface, institute that the DC voltage, which delivers stream inverter circuit,
The output end for stating lithium titanate battery group is electrically connected the second output interface by DC/AC conversion circuit.
Further, the charging circuit includes charge management circuit and input interface, and the input interface passes through charging
Management circuit is connect with the input terminal of lithium titanate battery group.
Further, the charging circuit includes to input charging adaptive power detection circuit to photovoltaic voltage；To not
Be converted into the charging voltage of the lithium titanate battery group by synchronous rectification with adapter input voltage, at the same to charging current into
Row detection carries out CC/CV Charge Management to charging current voltage.
Further, the battery pack protective circuit includes voltage, current collection circuit and governor circuit, the voltage,
Current collection circuit is for detecting the voltage and current of lithium titanate battery group, and the governor circuit is according to the electricity
The voltage and current value that pressure, current collection circuit detect is compared with presetting parameter area, when exceeding parameter area
Terminate charge/discharge operation.
Further, the battery pack protective circuit further includes temperature sensing circuit, the temperature sensing circuit for pair
The surface temperature of lithium titanate battery group is detected, the temperature value that the governor circuit is detected according to the temperature sensing circuit
It is compared with presetting parameter area, when beyond parameter area termination charge/discharge operation.
Further, the lithium titanate battery group combined by multiple metatitanic acid lithium cells according to certain series-parallel system and
At.
Using the above scheme, the utility model has the beneficial effects that: the utility model is by lithium titanate battery group, charging electricity
Road, battery pack protective circuit, direct voltage output conversion circuit and DC voltage deliver stream inverter circuit composition, lithium titanate electricity
The DC voltage of lithium titanate battery group can be converted into required parameter voltages by direct voltage output conversion circuit by pond group
And it exports, or delivering stream inverter circuit the DC voltage inversion of lithium titanate battery group by DC voltage is exchange output electricity
It presses and exports, input voltage can be converted into charging voltage required for lithium titanate battery group and carry out Charge Management by charging circuit
Function, battery pack protective circuit can realize the over-voltage protection function to lithium titanate battery group.The utility model has portable
Energy-storage function may be adapted to a variety of occasions and use, and environment versatility is wide, makes the smart phone, laptop, power-assisted of people voluntarily
Vehicle, outdoor lighting can outdoor charging, increase continuation of the journey, and have the advantages that charging rate is fast, the high no risk of explosion of security performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, a kind of portable energy-storing lithium titanate battery group provided by the utility model, including lithium titanate battery group
1, charging circuit 2, battery pack protective circuit 3, direct voltage output conversion circuit 4 and DC voltage deliver stream inverter circuit 5.
The direct voltage output conversion circuit 4 and DC voltage deliver stream inverter circuit 5 respectively with lithium titanate battery group 1
Output end connection, required for direct voltage output conversion circuit 4 is used to the DC voltage of lithium titanate battery group 1 be converted into
Parameter voltages simultaneously export, and DC voltage delivers stream inverter circuit 5 and is used to the DC voltage inversion of lithium titanate battery group 1 be exchange
Output voltage (AC 110V or AC 220V) simultaneously exports.
Wherein, the direct voltage output conversion circuit 4 passes through synchronous BUCK, BOOST circuit, and input is connected to battery pack
Circuit 3 is protected, realizes and 1 voltage of lithium titanate battery group is converted into DC voltage required for output.
The direct voltage output conversion circuit 4 includes DC/DC conversion circuit 41 and the first output interface 42, lithium titanate electricity
The output end of pond group 1 is electrically connected the first output interface 42 by DC/DC conversion circuit 41；The DC voltage turns ac converter electricity
Road 5 includes DC/AC conversion circuit 51 and the second output interface 52, and the output end of lithium titanate battery group 1 passes through DC/AC conversion circuit
51 the second output interfaces 52 of electrical connection.
Direct voltage output conversion circuit 4: it is permanent that battery voltage can be crossed into output required for Buck-boost is transformed to
Determine regulated power supply.
The charging circuit 2 is connect with the input terminal of lithium titanate battery group 1, and charging circuit 2 is for converting input voltage
At charging voltage required for lithium titanate battery group 1 and carry out Charge Management function.
The charging circuit 2 includes charge management circuit 21 and input interface 22, and input interface 22 passes through Charge Management electricity
Road 21 is connect with the input terminal of lithium titanate battery group 1.
Charging circuit 2 includes to input charging adaptive power detection circuit to photovoltaic voltage；Different adapters are inputted
Voltage is converted into the charging voltage of the lithium titanate battery group 1 by synchronous rectification, while detecting to charging current, to filling
Electric Current Voltage carries out CC/CV Charge Management.
Charging circuit 2: acquisition charging input voltage parameter, to determine that the operating mode of charging circuit 2, charging circuit 2 will
Adjust the required voltage and current value of rechargeable battery set, it is ensured that charge-discharge circuit works in normal state, and protects and fill
Electric process safety.Such as it is more than preset parameter area, terminates the work of charge-discharge circuit immediately, prevent security risk.
The input interface 22, the first output interface 42 and the second output interface 52 include more than one input interface,
More than one USB or Type-C output interface and more than one moped, electric tool, laptop or its
He moves electrical equipment output interface.
The battery pack protective circuit 3 is connected electrically in charging circuit 2, lithium titanate battery group 1, direct voltage output conversion electricity
Road 4 and DC voltage are delivered between stream inverter circuit 5, and battery pack protective circuit 3 is used to carry out the voltage of lithium titanate battery group 1
The over-voltage protection function to lithium titanate battery group 1 is realized in sampling.
Battery pack protective circuit 3: voltage, current sample, temperature sampling are carried out to titanium lithium battery group 1, if adopted accordingly
Sample voltage, electric current, temperature value are more than our presetting threshold, and battery pack will stop exporting, have the function that protect battery core.
The battery pack protective circuit 3 includes voltage, current collection circuit, temperature sensing circuit and governor circuit, the electricity
Pressure, current collection circuit are for detecting the voltage and current and temperature of lithium titanate battery group 1, the governor circuit root
The voltage and current value and temperature value and presetting parameter detected according to the voltage, current collection circuit, temperature sensing circuit
Range is compared, and terminates charge/discharge operation when exceeding parameter area.
The charging circuit 2 will be converted into the input voltage by input interface 22 required for lithium titanate battery group 1
Charging voltage, when input voltage be lower than battery voltage, will start BOOST charging circuit, when input voltage be greater than battery pack electricity
Pressure will start BUCK charging circuit, and charging circuit carries out dynamic management to input voltage, realize current limliting management to charging current；
Battery voltage can be crossed the ginseng of output voltage required for Buck-boost is transformed to by the direct voltage output conversion circuit 4
Number；The lithium titanate battery group 1 is to realize the storage element of energy, presses certain series-parallel system group by multiple metatitanic acid lithium cells
Conjunction is electrically connected.
The portable energy-storing lithium titanate battery group further includes display circuit 6, the output end of direct voltage output conversion circuit 4
It is electrically connected display circuit 6 by display control circuit 7, display circuit 6 is for showing that output state and electricity are shown.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of portable energy-storing lithium titanate battery group, it is characterised in that: including lithium titanate battery group, charging circuit, battery pack
Protection circuit, direct voltage output conversion circuit and DC voltage deliver stream inverter circuit；The direct voltage output conversion electricity
Road and DC voltage are delivered stream inverter circuit and are connect respectively with the output end of lithium titanate battery group, the direct voltage output conversion
Parameter voltages required for circuit is used to the DC voltage of lithium titanate battery group be converted into simultaneously export, and the DC voltage is delivered
Stream inverter circuit, which is used for, to be ac output voltage the DC voltage inversion of lithium titanate battery group and exports；The charging circuit with
The input terminal of lithium titanate battery group connects, and the charging circuit is for input voltage to be converted into required for lithium titanate battery group
Charging voltage simultaneously carries out Charge Management function；The battery pack protective circuit is connected electrically in charging circuit, lithium titanate battery group, straight
Galvanic electricity pressure output conversion circuit and DC voltage are delivered between stream inverter circuit, and the battery pack protective circuit is used for lithium titanate
The voltage of battery pack is sampled, and realizes the over-voltage protection function to lithium titanate battery group.
2. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: further include display electricity
The output end on road, the direct voltage output conversion circuit is electrically connected display circuit, the display electricity by display control circuit
Road is for showing that output state and electricity are shown.
3. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the DC voltage is defeated
Conversion circuit passes through synchronous BUCK, BOOST circuit out, and input is connected to battery pack protective circuit, realizes lithium titanate battery group
Voltage is converted to DC voltage required for output.
4. a kind of portable energy-storing lithium titanate battery group according to claim 3, it is characterised in that: the DC voltage is defeated
Conversion circuit includes DC/DC conversion circuit and the first output interface out, and the output end of the lithium titanate battery group is turned by DC/DC
It changes circuit and is electrically connected the first output interface.
5. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the DC voltage turns
Ac converter circuit includes DC/AC conversion circuit and the second output interface, and the output end of the lithium titanate battery group passes through DC/AC
Conversion circuit is electrically connected the second output interface.
6. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the charging circuit packet
Charge management circuit and input interface are included, the input interface is connected by charge management circuit and the input terminal of lithium titanate battery group
It connects.
7. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the charging circuit packet
It has included and charging adaptive power detection circuit is inputted to photovoltaic voltage；Different adapter input voltages are converted by synchronous rectification
At the charging voltage of the lithium titanate battery group, while charging current is detected, CC/CV is carried out to charging current voltage and is filled
Fulgurite reason.
8. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the battery pack protection
Circuit includes voltage, current collection circuit and governor circuit, and the voltage, current collection circuit are used for lithium titanate battery group
Voltage and current is detected, the voltage and current value that the governor circuit is detected according to the voltage, current collection circuit
It is compared with presetting parameter area, terminates charge/discharge operation when exceeding parameter area.
9. a kind of portable energy-storing lithium titanate battery group according to claim 8, it is characterised in that: the battery pack protection
Circuit further includes temperature sensing circuit, and the temperature sensing circuit is used to detect the surface temperature of lithium titanate battery group,
The temperature value that the governor circuit is detected according to the temperature sensing circuit is compared with presetting parameter area, when super
Parameter area terminates charge/discharge operation out.
10. a kind of portable energy-storing lithium titanate battery group according to claim 1, it is characterised in that: the lithium titanate electricity
Pond group is composed of multiple metatitanic acid lithium cells according to certain series-parallel system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821028622.5U CN208400987U (en) | 2018-07-02 | 2018-07-02 | A kind of portable energy-storing lithium titanate battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821028622.5U CN208400987U (en) | 2018-07-02 | 2018-07-02 | A kind of portable energy-storing lithium titanate battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400987U true CN208400987U (en) | 2019-01-18 |
Family
ID=65130160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821028622.5U Expired - Fee Related CN208400987U (en) | 2018-07-02 | 2018-07-02 | A kind of portable energy-storing lithium titanate battery group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208400987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376529A (en) * | 2019-07-31 | 2019-10-25 | 苍南县磊铭电动车有限公司 | Energy-storing multifunctional lithium battery detection system |
-
2018
- 2018-07-02 CN CN201821028622.5U patent/CN208400987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376529A (en) * | 2019-07-31 | 2019-10-25 | 苍南县磊铭电动车有限公司 | Energy-storing multifunctional lithium battery detection system |
| CN110376529B (en) * | 2019-07-31 | 2022-09-27 | 浙江磊铭新能源科技有限公司 | Energy storage type multifunctional lithium battery detection system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20190702 |