CN214822625U - Use lithium titanate battery system on commodity circulation car - Google Patents

Use lithium titanate battery system on commodity circulation car Download PDF

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Publication number
CN214822625U
CN214822625U CN202120376712.9U CN202120376712U CN214822625U CN 214822625 U CN214822625 U CN 214822625U CN 202120376712 U CN202120376712 U CN 202120376712U CN 214822625 U CN214822625 U CN 214822625U
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China
Prior art keywords
battery
lithium titanate
mounting platform
titanate battery
screw
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CN202120376712.9U
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Chinese (zh)
Inventor
郭鹏飞
马猛
尹子振
陈世杰
张天尧
于昊
张静
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LISHEN (QINGDAO) NEW ENERGY CO.,LTD.
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Lishen Power Battery System Co Ltd
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Abstract

The utility model discloses a lithium titanate battery system applied to a logistics vehicle, which comprises a battery box body; a lithium titanate battery module is arranged in the battery box body; the top of the lithium titanate battery module is provided with a pressing plate; the top of the pressing plate is provided with a battery management system and a plurality of high-voltage devices; the left end and the right end of the top of the battery box body are respectively provided with a first mounting platform and a second mounting platform; the first mounting platform and the second mounting platform are connected through a right-angle connecting part, and the top surfaces of the first mounting platform and the second mounting platform are respectively provided with a first upper cover and a second upper cover; the left end part of the second upper cover is provided with a convex mounting plate connected with the right-angle connecting part; the convex mounting plate is provided with a power output terminal, a forced charging switch, a communication terminal and a charging terminal; the left side and the right side of the battery box body are provided with vehicle body mounting lugs. The utility model discloses can install conveniently, reliably, can replace original ordinary lithium ion battery system or lead acid battery system, show whole manufacturing cost and the maintenance cost who reduces battery system.

Description

Use lithium titanate battery system on commodity circulation car
Technical Field
The utility model relates to a lithium titanate battery technical field especially relates to an use titanic acid lithium battery system on commodity circulation car.
Background
The lithium titanate battery is a novel charge storage element and has the advantages of large capacity, large-current charge and discharge support, long cycle life, good low-temperature characteristic, environmental protection, no pollution and the like, so that the lithium titanate battery has wide application prospects in the fields of new energy, transportation, industry, military and the like.
At present, a common lithium ion battery system or a lead-acid battery system is mainly adopted for a high-power system which is used as an auxiliary power source on a logistics vehicle.
Because the common lithium ion battery can not reach a larger charge-discharge multiplying power, in order to meet the power requirement of the system, a large number of common lithium ion battery monomers are adopted to form the system in series-parallel connection under most conditions. Although the power requirements are met in this manner, the weight and volume of the system are significantly increased, and the cost of raw materials is high, significantly increasing the manufacturing cost of the battery system.
Although the lead-acid battery has low cost, the lead-acid battery cannot meet the requirement of high-power use at low temperature, and needs frequent manual maintenance, so that the maintenance cost is high. Secondly, lead acid battery module is many not to take the detection function, when breaking down in the operation process, although check out equipment can detect and judge that the system has broken down, can't judge the lead acid battery module of concrete trouble and the quantity that breaks down. Therefore, the maintenance personnel need to confirm all the lead-acid battery modules one by one on the site, and the operation is very complicated.
Therefore, at present, there is an urgent need to develop a battery system, which is applied to a logistics vehicle, and can replace an original ordinary lithium ion battery system or lead-acid battery system, so that the overall manufacturing cost and maintenance cost of the battery system are significantly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an use lithium titanate battery system on commodity circulation car to the technical defect that prior art exists.
Therefore, the utility model provides a lithium titanate battery system applied to a logistics vehicle, which comprises a hollow battery box body with an opening at the top;
a lithium titanate battery module is fixedly arranged in the battery box body;
the lithium titanate battery module comprises a plurality of lithium titanate battery monomers which are connected in series and/or in parallel;
the top of the lithium titanate battery module is provided with a horizontally distributed pressing plate;
a battery management system and a plurality of high-voltage devices are arranged at intervals on the top of the pressing plate;
the pressing plate, the battery management system and the high-voltage device are all positioned inside the battery box body;
the left end and the right end of the top of the battery box body are respectively provided with a first mounting platform and a second mounting platform;
the height of the first mounting platform is higher than that of the second mounting platform;
the first mounting platform and the second mounting platform are parallel to each other and are connected through a right-angle connecting part;
the top surfaces of the first mounting platform and the second mounting platform are respectively provided with a first upper cover and a second upper cover;
the left end part of the second upper cover is provided with a vertically distributed convex mounting plate;
the convex mounting plate is connected with the right-angle connecting part;
the bulge mounting plate is provided with a power output terminal, a strong charging switch, a communication terminal and a charging terminal which are sequentially opened from front to back;
the front end and the rear end of the top parts of the left side and the right side of the battery box body are respectively and fixedly provided with a vehicle body mounting lug which is vertically distributed;
each vehicle body mounting lug is provided with a bolt through hole which is distributed transversely;
and the battery box body is connected with a screw hole reserved on the body of the logistics vehicle positioned outside through a bolt penetrating through the bolt through hole.
Preferably, to lithium titanate battery module, it includes predetermines a plurality of lithium titanate battery cells, through the mode of laser welding, is connected with the aluminium row.
Preferably, a plurality of screw through holes are formed in the side wall of the first mounting platform at intervals;
a plurality of screw through holes are also formed in the side wall of the second mounting platform at intervals;
the first mounting platform is connected with a screw hole reserved on the first upper cover through a plurality of screws penetrating through the screw through holes;
and the second mounting platform is connected with a screw hole reserved on the second upper cover through a plurality of screws penetrating through the screw through holes.
Preferably, the front end, the rear end and the top of the convex mounting plate are respectively provided with a plurality of screw holes;
the right-angle connecting part and the right end part of the first upper cover are respectively provided with a plurality of screw through holes at positions corresponding to the plurality of screw holes on the bulge mounting plate;
the right-hand member portion of right angle connecting portion and first upper cover is connected with the screw of reserving on the protruding mounting panel through a plurality of screws that pass the screw through-hole.
Preferably, the cross-sectional shape of the battery case is rectangular.
Preferably, one end of the power output terminal is connected with the power output end of the lithium titanate battery module;
the other end of the power output terminal is connected with an electrical appliance which is originally installed on the logistics vehicle.
Preferably, the battery management system is connected and communicated with an original external logistics vehicle control terminal through a communication terminal.
By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides an use the lithium titanate battery system on commodity circulation car, its structural design science, the volume is less relatively, can make things convenient for, install reliably, can replace original ordinary lithium ion battery system or lead acid battery system, is showing the whole manufacturing cost and the maintenance cost who reduces battery system.
Compared with the common lithium ion battery system, the utility model can provide larger charge and discharge multiplying power, compared with the lead-acid battery system, can control the temperature in the battery box more conveniently and reliably, has better low-temperature working efficiency, and has the advantages of light weight, non-maintenance, long service life and the like.
Furthermore, right the utility model provides a lithium titanate battery system, its state signal that can provide the system for whole car conveniently detects whole car, can further judge whether lithium titanate battery system has broken down according to state signal to further the maintenance and the change of system provide convenience, made things convenient for the field maintenance.
Drawings
Fig. 1 is a schematic structural diagram of an appearance of a lithium titanate battery system applied to a logistics vehicle according to the present invention;
fig. 2 is a schematic three-dimensional exploded view of a lithium titanate battery system applied to a logistics vehicle according to the present invention;
in the figure, 11 is a first upper cover, 12 is a second upper cover, 2 is a battery box body, 3 is a strong charging switch, 4 is a communication terminal, and 5 is a power output terminal;
6 is the lithium titanate battery module, 7 is the clamp plate, 8 is Battery Management System (BMS), and 9 is high-voltage device.
Detailed Description
In order to make the technical means of the present invention easier to understand, the present application will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.
The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
Referring to fig. 1 and 2, the present invention provides a lithium titanate battery system applied to a logistics vehicle, which includes a hollow battery box 2 with an open top;
a lithium titanate battery module 6 is fixedly arranged in the battery box body 2;
the lithium titanate battery module 6 comprises a plurality of lithium titanate battery monomers which are connected in series and/or in parallel;
wherein, the top of the lithium titanate battery module 6 is provided with a pressing plate 7 which is horizontally distributed;
a Battery Management System (BMS)8 and a plurality of high voltage devices 9 are provided at intervals on the top of the pressing plate 7;
the pressing plate 7, the battery management system 8 and the high-voltage device 9 are all positioned inside the battery box body 2;
the left end and the right end of the top of the battery box body 2 are respectively provided with a first mounting platform 201 and a second mounting platform 202;
the height of the first mounting platform 201 is higher than the height of the second mounting platform 202;
the first mounting platform 201 and the second mounting platform 202 are parallel to each other and connected by a right-angle connecting part 203;
the top surfaces of the first mounting platform 201 and the second mounting platform 202 are respectively provided with a first upper cover 11 and a second upper cover 12;
the left end part of the second upper cover 12 is provided with a vertically distributed convex mounting plate 120;
a boss mounting plate 120 connected to the right-angle connecting portion 203;
a power output terminal 5, a forced charging switch 3 (namely, an existing forced charging switch), a communication terminal 4 and a charging terminal 14 are sequentially arranged on the convex mounting plate 120 from front to back;
wherein, the front end and the rear end of the top parts of the left side and the right side of the battery box body 2 are respectively and fixedly provided with a vehicle body mounting lug 13 which is vertically distributed;
each vehicle body mounting lug 13 is provided with a bolt through hole which is distributed transversely;
and the battery box body 2 is connected with a screw hole reserved on the body of the logistics vehicle positioned outside through a bolt penetrating through the bolt through hole.
The utility model discloses in, on specifically realizing, to lithium titanate battery module 6, it includes predetermine a plurality of lithium titanate battery cell, through the mode of laser welding, is connected with the aluminium bar (busbar promptly).
For the utility model, one end of the power output terminal 5 is connected with the power output end of the lithium titanate battery module 6;
the other end of the power output terminal 5 (specifically, the existing power output terminal) is connected with an electrical appliance (namely, an electrical device, specifically, a plug on the electrical device) originally installed on the logistics vehicle, and is used for providing working electricity for the electrical appliance installed on the logistics vehicle.
It should be noted that, to the utility model discloses, a plurality of lithium titanate battery monomer are connected with electrical apparatus of original installation on commodity circulation cars such as heavy truck through power take off terminal 5 at the series connection and/or parallelly connected back for the last installation of commodity circulation car provides the power consumption of working with electrical apparatus.
In the present invention, in particular, a plurality of screw through holes are spaced apart from each other on the side wall of the first mounting platform 201;
a plurality of screw through holes are also formed in the side wall of the second mounting platform 202 at intervals;
the first mounting platform 201 is connected with a screw hole reserved on the first upper cover 11 through a plurality of screws penetrating through the screw through holes;
the second mounting platform 202 is connected to the screw holes reserved on the second upper cover 12 through a plurality of screws passing through the screw through holes.
In the present invention, the front and rear ends and the top of the protruding mounting plate 120 are respectively provided with a plurality of screw holes;
the right-angle connecting part 203 and the right end part of the first upper cover 11 are respectively provided with a plurality of screw through holes at positions corresponding to the plurality of screw holes on the boss mounting plate 120;
the right-angle connecting portion 203 and the right end portion of the first upper cover 11 are connected to screw holes reserved in the boss mounting plate 120 through a plurality of screws passing through screw through holes.
The utility model discloses in, in the concrete realization, the shape of cross section of battery box 2 is the rectangle.
The utility model discloses in, on specifically realizing, Battery Management System (BMS)8, through communication terminal 4 with original, be located outside whole car control terminal of commodity circulation car and be connected the communication for provide battery system's state information.
The utility model discloses in, install Battery Management System (BMS)8 in the battery box 2, be connected with lithium titanate battery module 6 for gather the free voltage information of lithium titanate battery and the free temperature information of lithium titanate battery in the lithium titanate battery module 6, and carry out total voltage to lithium titanate battery module 6 and detect, carry out charge-discharge current detection, charge-discharge management, SOC estimation, system self-checking and failure diagnosis warning, group battery failure diagnosis warning, the safety protection of various unusual and fault conditions to lithium titanate battery module 6.
It should be noted that the Battery Management System (BMS)8 is a mature battery management module in the prior art and is an existing device, and is not described herein again.
Among them, the conventional Battery Management System (BMS)8 has the following functions:
1. and BMS system charge and discharge management: secondary protection of charging and discharging, module overcharge and over-discharge protection can be realized through relay control.
2. BMS system temperature management: the secondary protection of system temperature, module excess temperature protection can be realized through relay control.
3. BMS system SOC estimation: and the SOC of the battery pack is dynamically estimated by adopting the existing and advanced SOC algorithm.
4. BMS system self-checking and fault diagnosis alarm, battery pack fault diagnosis alarm, and safety protection of various abnormal and fault conditions
5. Communication function: the CAN interface CAN realize communication with a controller, a charger and the like;
6. isolated CAN communication and Can communication require that the voltage ripple interference of an external charger is not more than +/-6V, and the current is not more than 200A.
It should be noted that the utility model discloses in, on specifically realizing, if lithium titanate battery module 6's electric quantity is low excessively, start to fill switch 3 back by force, make the utility model discloses a lithium titanate battery system's the automatic actuation of contact that charges, lithium titanate battery system are through the automatic charging of charging terminal to the contact that charges receives Battery Management System (BMS)8 control, when detecting outside machine (or the charger) disconnection or the lithium titanate battery module 6 that charge by Battery Management System (BMS)8 and be full of the electricity, fills switch 3 by force and can delay 120 seconds automatic re-setting.
It should be noted that the charging contact of the lithium titanate battery system is serially connected to the charging loop of the lithium titanate battery module 6, and is used for controlling the charging loop to be closed or opened, which is a conventional arrangement manner, and the charging loop of the lithium titanate battery module 6 is connected to an external charger or charger through the charging terminal 14, so as to realize the charging function.
It should be noted that the utility model discloses in, cross lowly when 6 electric quantities of lithium titanate battery module, through filling switch 3 by force when can not start charging contactor, can fill the line by force through the undercurrent of reserving on the communication terminal 4 and fill by force, charging voltage is direct current 48V, and charging current 5A (built-in insurance) can normally work until the interior DC/DC power of battery box 2 (be used for charging lithium titanate battery module 6, the undercurrent of reserving on with the communication terminal 4 fills the line by force and is connected).
The lithium titanate battery is a novel lithium ion battery using lithium titanate as a negative electrode material, and has the characteristics of good safety performance, long cycle life, large-rate charge and discharge, wide working temperature range, small self-discharge and the like. Compared with the traditional lead-acid battery, the lithium titanate battery has obvious advantages of low-temperature characteristic, power characteristic and service life, and is widely applied to the field of new energy automobiles.
The utility model discloses a battery system can show information such as the free voltage of every lithium titanate battery, battery box temperature, alarm state, operating current in real time. The battery system has the characteristics of good safety performance, long cycle life, capability of discharging at a large multiplying power, wide working temperature range, small self-discharge and the like.
According to the technical scheme provided by the utility model, the utility model provides a pair of use titanic acid lithium battery system on commodity circulation car, including a plurality of lithium titanate battery monomer, have BMS management system control and undercurrent and fill the function by force, mainly be applied to the electrical power generating system of commodity circulation car, the utility model has the advantages of the energy height, the overall cost is low, and simple manufacture is convenient, and the small light in weight of total volume. The utility model discloses can make things convenient for more, control the charge mode of battery box reliably.
To sum up, compare with prior art, the utility model provides a pair of use lithium titanate battery system on commodity circulation car, its structural design science, the volume is less relatively, can conveniently, install reliably, can replace original ordinary lithium ion battery system or lead acid battery system, is showing whole manufacturing cost and the maintenance cost who reduces battery system.
Compared with the common lithium ion battery system, the utility model can provide larger charge and discharge multiplying power, compared with the lead-acid battery system, can control the temperature in the battery box more conveniently and reliably, has better low-temperature working efficiency, and has the advantages of light weight, non-maintenance, long service life and the like.
Furthermore, right the utility model provides a lithium titanate battery system, its state signal that can provide the system for whole car conveniently detects whole car, can further judge whether lithium titanate battery system has broken down according to state signal to further the maintenance and the change of system provide convenience, made things convenient for the field maintenance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A lithium titanate battery system applied to a logistics vehicle is characterized by comprising a hollow battery box body (2) with an open top;
a lithium titanate battery module (6) is fixedly arranged in the battery box body (2);
the lithium titanate battery module (6) comprises a plurality of lithium titanate battery monomers which are connected in series and/or in parallel;
wherein, the top of the lithium titanate battery module (6) is provided with a pressing plate (7) which is horizontally distributed;
a battery management system (8) and a plurality of high-voltage devices (9) are arranged at intervals on the top of the pressing plate (7);
the pressing plate (7), the battery management system (8) and the high-voltage device (9) are all positioned in the battery box body (2);
the left end and the right end of the top of the battery box body (2) are respectively provided with a first mounting platform (201) and a second mounting platform (202);
the height of the first mounting platform (201) is higher than that of the second mounting platform (202);
the first mounting platform (201) and the second mounting platform (202) are parallel to each other and are connected through a right-angle connecting part (203);
the top surfaces of the first mounting platform (201) and the second mounting platform (202) are respectively provided with a first upper cover (11) and a second upper cover (12);
the left end part of the second upper cover (12) is provided with a vertically distributed convex mounting plate (120);
a boss mounting plate (120) connected to the right-angle connecting portion (203);
the bulge mounting plate (120) is provided with a power output terminal (5), a strong charging switch (3), a communication terminal (4) and a charging terminal (14) which are opened from front to back in sequence;
wherein, the front end and the rear end of the top parts of the left side and the right side of the battery box body (2) are respectively and fixedly provided with a vehicle body mounting lug (13) which is vertically distributed;
each vehicle body mounting lug (13) is provided with a bolt through hole which is distributed transversely;
and the battery box body (2) is connected with a screw hole reserved on the body of the logistics vehicle positioned outside through a bolt penetrating through the bolt through hole.
2. The lithium titanate battery system applied to the logistics vehicle as claimed in claim 1, wherein the lithium titanate battery module (6) comprises a plurality of lithium titanate battery cells, and the lithium titanate battery cells are connected with the aluminum row by means of laser welding.
3. The lithium titanate battery system applied to the logistics vehicle as claimed in claim 1, wherein a plurality of screw through holes are formed in the side wall of the first mounting platform (201) at intervals;
a plurality of screw through holes are formed in the side wall of the second mounting platform (202) at intervals;
the first mounting platform (201) is connected with a screw hole reserved on the first upper cover (11) through a plurality of screws penetrating through the screw through holes;
and the second mounting platform (202) is connected with a screw hole reserved on the second upper cover (12) through a plurality of screws passing through the screw through holes.
4. The lithium titanate battery system applied to the logistics vehicle as claimed in claim 1, wherein the protrusion mounting plate (120) is provided with a plurality of screw holes at the front end, the rear end and the top;
the right-angle connecting part (203) and the right end part of the first upper cover (11) are respectively provided with a plurality of screw through holes at positions corresponding to the plurality of screw holes on the bulge mounting plate (120);
the right end part of the right-angle connecting part (203) and the right end part of the first upper cover (11) are connected with screw holes reserved on the bulge mounting plate (120) through a plurality of screws penetrating through screw through holes.
5. The lithium titanate battery system applied to the logistics vehicle as claimed in claim 1, characterized in that the cross-sectional shape of the battery box (2) is rectangular.
6. The lithium titanate battery system applied to the logistics vehicle as claimed in any one of claims 1 to 5, characterized in that one end of the power output terminal (5) is connected with the power output end of the lithium titanate battery module (6);
the other end of the power output terminal (5) is connected with an electrical appliance which is originally installed on the logistics vehicle.
7. The lithium titanate battery system applied to the logistics vehicle as claimed in any one of claims 1 to 5, wherein the battery management system (8) is in connection communication with an original external logistics vehicle control terminal through the communication terminal (4).
CN202120376712.9U 2021-02-19 2021-02-19 Use lithium titanate battery system on commodity circulation car Active CN214822625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120376712.9U CN214822625U (en) 2021-02-19 2021-02-19 Use lithium titanate battery system on commodity circulation car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120376712.9U CN214822625U (en) 2021-02-19 2021-02-19 Use lithium titanate battery system on commodity circulation car

Publications (1)

Publication Number Publication Date
CN214822625U true CN214822625U (en) 2021-11-23

Family

ID=78952218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120376712.9U Active CN214822625U (en) 2021-02-19 2021-02-19 Use lithium titanate battery system on commodity circulation car

Country Status (1)

Country Link
CN (1) CN214822625U (en)

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Effective date of registration: 20220120

Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong

Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD.

Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road

Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd.

TR01 Transfer of patent right