CN218677283U - Hybrid battery system and vehicle - Google Patents
Hybrid battery system and vehicle Download PDFInfo
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- CN218677283U CN218677283U CN202222448885.4U CN202222448885U CN218677283U CN 218677283 U CN218677283 U CN 218677283U CN 202222448885 U CN202222448885 U CN 202222448885U CN 218677283 U CN218677283 U CN 218677283U
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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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Abstract
The utility model relates to a power battery field discloses a hybrid battery system and vehicle. The hybrid battery system comprises a lithium ion battery pack and a sodium ion battery pack, wherein the lithium ion battery pack and the sodium ion battery pack are arranged in parallel, a heating module and a temperature detection module are arranged in the lithium ion battery pack, and the heating module is in signal connection with the temperature detection module. The vehicle includes the hybrid battery system described above. The utility model provides a hybrid battery system integration has independent lithium ion battery package and sodium ion battery package, and under low temperature, the lithium ion battery package does not participate in work, reduces the safety risk of lithium ion battery package to heat the lithium ion battery package through the heating module, make the lithium ion battery package can continue to supply power for the power equipment; the introduction of failure risk points is reduced in the production process, so that the production is more efficient and convenient; when the battery pack is in failure, only the corresponding battery pack needs to be detached for maintenance, so that after-sale maintenance is more efficient and convenient.
Description
Technical Field
The utility model relates to a power battery field specifically relates to a hybrid battery system and vehicle.
Background
As lithium ion batteries are applied to new energy automobiles more and more widely, safety hazard events caused by the lithium ion batteries are more and more generated; meanwhile, the low-temperature performance of the lithium ion battery is poor, the performance of the vehicle is affected, and the problem that how to solve the safety problem and the low-temperature performance of the new energy automobile becomes a hot problem of industrial research. One of the solutions is to form a new electrochemical energy carrier by researching various safer and better-performance new electrochemical systems to replace the existing lithium ion battery system. One of the new system batteries, sodium ion batteries, has become one of the key points of research in recent years, and sodium ion batteries are receiving wide attention due to their better safety performance, better high and low temperature charge and discharge performance and lower manufacturing cost (abundant sodium element reserves). However, sodium ion batteries also have some disadvantages, and energy density and power density of the sodium ion batteries are lower than those of lithium ion batteries, and the performance requirements of the new energy automobile industry on energy carriers with high energy and power density cannot be met at present by using the sodium ion batteries alone.
The traditional solution is to mix a sodium ion battery with a lithium ion battery. In most of the schemes for hybrid use of batteries in the lithium ion battery system for vehicles, in the process of assembling the battery module, lithium ion battery monomers and sodium ion battery monomers are alternately discharged or arranged and combined in other modes to form a hybrid battery module; a plurality of hybrid battery modules form a hybrid battery system and are applied to new energy vehicles. However, the hybrid battery has the following disadvantages:
(1) The sodium ion battery and the lithium ion battery are mixed at a module level, a mixed flow of the two batteries is required to be added in a mixed module production process, and the complexity and failure risk points of the module production process are increased;
(2) In the existing hybrid battery system, two battery monomers are mixed with each other at a module level, if a problem occurs in a sodium ion battery, the whole battery pack needs to be disassembled and assembled, the problem battery is identified in the hybrid battery module, and the hybrid battery module formed by the sodium ion battery and a lithium ion battery is maintained and sold, so that the maintenance complexity is increased, and the after-sale cost is high;
(3) The lithium ion battery is mixed in the sodium ion battery, and under the low temperature environment, the lithium ion battery's inefficiency, and there is the safety risk, and then leads to whole battery package system to have the safety risk.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present invention provides a hybrid battery system and a vehicle.
The utility model provides a hybrid battery system, hybrid battery system is including the lithium ion battery package and the sodium ion battery package that can insert power equipment's load, the lithium ion battery package with the parallelly connected setting of sodium ion battery package, the inside of lithium ion battery package is equipped with heating module and temperature detection module, heating module with temperature detection module signal connection to the configuration is:
the lithium ion battery pack and/or the sodium ion battery pack can be selectively connected to a load of a power plant.
Optionally, the lithium ion battery pack includes a first housing and a lithium ion battery module assembly disposed inside the first housing, a first wiring port for connecting with a load is disposed on a side wall of the first housing, and the first wiring port is connected with the lithium ion battery module assembly through a line.
Optionally, a first high-voltage box for controlling the on-off of the line is arranged on a connection line between the first wiring port and the lithium ion battery module assembly.
Optionally, the lithium ion battery module assembly comprises a plurality of lithium ion battery modules connected in series.
Optionally, the sodium ion battery package includes the second casing and sets up the inside sodium ion battery module subassembly of second casing, the lateral wall of second casing is equipped with the second wiring mouth that is used for being connected with the load, the second wiring mouth with sodium ion battery module subassembly line connection.
Optionally, a second high-voltage box for controlling the connection and disconnection of the line and a voltage converter for adjusting the line voltage are arranged on a connection line between the second wiring port and the sodium-ion battery module assembly.
Optionally, the sodium ion battery module assembly comprises a plurality of sodium ion battery modules connected in series.
The utility model also provides a vehicle, the vehicle includes above-mentioned hybrid battery system.
Optionally, the lithium ion battery pack and the sodium ion battery pack in the hybrid battery system are respectively disposed on a chassis of the vehicle.
Optionally, the housing of the lithium ion battery pack and the housing of the sodium ion battery pack are detachably connected to the chassis, respectively.
Optionally, the housing of the lithium ion battery pack and the housing of the sodium ion battery pack are detachably connected to the vehicle, respectively.
Optionally, the size of the lithium ion battery pack is matched with the size of the installation position of the vehicle, and the number of lithium ion cells in the lithium ion battery pack is matched with the power requirement of the vehicle; the size of the sodium ion battery pack is matched with the size of the installation position of the vehicle, and the number of sodium ion battery cores in the sodium ion battery pack is matched with the power requirement of the vehicle.
Compared with the prior art, the technical scheme provided by the utility model has the following advantage:
the utility model provides a hybrid battery system integration has independent lithium ion battery package and sodium ion battery package, and the optional load that inserts power equipment with lithium ion battery package and/or sodium ion battery package, in order to satisfy the user demand of different scenes, and when power equipment is in the lower environment of temperature, lithium ion battery package does not participate in work, reduce the safety risk of lithium ion battery package, increase the life of lithium ion battery package, and then increase the life of whole hybrid battery system, and heat lithium ion battery package through heating module, make the lithium ion battery package that heaies up to suitable temperature can continue to supply power for power equipment, guarantee that power equipment has better continuation of the journey mileage; the lithium ion battery pack and the sodium ion battery pack are independently designed, so that the arrangement positions can be reasonably arranged, and the space utilization rate of power equipment is improved; the production flow of each battery pack is basically consistent with that of the traditional battery pack, the flow of a hybrid battery cannot be introduced, the introduction of failure risk points is reduced, and the production is more efficient and convenient; when one of the battery packs breaks down, only the corresponding battery pack needs to be detached, and the other battery pack does not need to be detached, so that the corresponding battery pack is independently maintained, the after-sale efficiency is improved, the after-sale cost is reduced, the after-sale maintenance is more efficient, the cost is lower, and the user experience is better.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of electrical connections of a hybrid battery system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a lithium ion battery pack according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a sodium ion battery pack according to an embodiment of the present invention;
fig. 4 is a schematic view of a vehicle according to an embodiment of the present invention.
Description of the reference numerals
1. A load; 2. a lithium ion battery pack; 21. a first housing; 22. a lithium ion battery module assembly; 23. a first wiring port; 24. a first high voltage box; 25. a lithium ion battery module; 26. a lithium ion battery information acquisition unit; 3. a sodium ion battery pack; 31. a second housing; 32. a sodium ion battery module assembly; 33. a second wiring port; 34. a second high voltage box; 35. a voltage converter; 36. a sodium ion battery module; 37. a sodium ion battery information acquisition unit; 4. a heating module; 5. a main control unit; 6. a chassis.
Detailed Description
In order that the above objects, features and advantages of the present invention may be more clearly understood, the aspects of the present invention will be further described below. In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the invention may be practiced otherwise than as specifically described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present invention, and not all of the embodiments.
With reference to fig. 1 to 3, the embodiment of the present invention provides a hybrid battery system including a lithium ion battery pack 2 and a sodium ion battery pack 3 that can be connected to a load 1 of a power device, wherein the lithium ion battery pack 2 and the sodium ion battery pack 3 are arranged in parallel, that is, the lithium ion battery pack 2 and the sodium ion battery pack 3 can be connected to the load 1 of the power device in parallel. The inside of lithium ion battery package 2 is equipped with heating module 4 and temperature detection module, heating module 4 and temperature detection module signal connection, specifically be when the temperature detection module detects that the internal temperature of lithium ion battery package 2 is lower, heating module 4 work, lithium ion battery package 2 heaies up under heating module 4's effect, the temperature of lithium ion battery package 2 satisfies the user demand until, wherein, the cooperation mode between heating module 4 and the temperature detection module is conventional design, consequently, do not do too much description to its theory of operation here. Wherein, the heating module 4 can be a liquid cooling plate, and the liquid cooling plate is disposed below the lithium ion battery module 22 of the lithium ion battery pack 2, and then heats the lithium ion battery module 22, or the heating module 4 is configured to raise the temperature of the housing of the lithium ion battery pack 2, so that the lithium ion battery module 22 works at a suitable temperature. The temperature detection module is arranged on the inner wall of the shell of the lithium ion battery pack 2 and detects the internal temperature of the shell of the lithium ion battery pack 2.
The lithium ion battery pack 2 and/or the sodium ion battery pack 3 can be selectively connected to the load 1 of the power plant. The method comprises the following specific steps: in one of the usage scenarios, the lithium ion battery pack 2 may be individually connected to the load 1 of the power plant. Under the low temperature environment, the lithium ion battery pack 2 does not work, and the sodium ion battery pack 3 can be independently connected to the load 1 of the power equipment, so that the sodium ion battery pack 3 independently works. When the working environment meets the working requirement of the lithium ion battery pack 2, the lithium ion battery pack 2 and the sodium ion battery pack 3 are jointly connected to the load 1 of the power equipment, so that the endurance of the power equipment is increased. It can be seen that the specific operation mode can be selected according to the actual situation, wherein the selection of the operation mode and the manner of accessing the lithium ion battery pack 2 and/or the sodium ion battery pack 3 to the load 1 of the power equipment are conventional designs, and therefore, not described herein too much.
The utility model provides a hybrid battery system integration has independent lithium ion battery package 2 and sodium ion battery package 3, and the optional load 1 of wrapping 3 access power equipment with lithium ion battery package 2 and/or sodium ion battery, in order to satisfy the user demand of different scenes, and when power equipment is in the lower environment of temperature, lithium ion battery package 2 does not participate in work, reduce lithium ion battery package 2's safety risk, increase lithium ion battery package 2's life, and then increase whole hybrid battery system's life, and heat lithium ion battery package 2 through heating module 4, make the lithium ion battery package 2 that heaies up to suitable temperature can continue to supply power for power equipment, guarantee power equipment has better continuation of the journey mileage.
The lithium ion battery pack 2 and the sodium ion battery pack 3 are independently designed, so that the arrangement positions can be reasonably arranged, and the space utilization rate of power equipment is improved; the production flow of each battery pack is basically consistent with that of the traditional battery pack, the flow of a hybrid battery cannot be introduced, the introduction of failure risk points is reduced, and the production is more efficient and convenient; when one of the battery packs breaks down, only the corresponding battery pack needs to be detached, and the other battery pack does not need to be detached, so that the corresponding battery pack is independently maintained, the after-sale efficiency is improved, the after-sale cost is reduced, the after-sale maintenance is more efficient, the cost is lower, and the user experience is better.
As shown in fig. 2, the lithium ion battery pack 2 includes a first housing 21 and a lithium ion battery module 22 disposed inside the first housing 21, wherein the first housing 21 is detachably connected to the power equipment, specifically, the chassis 6 of the first housing 21 is detachably connected to the power equipment. The lithium ion battery module assembly 22 includes a plurality of lithium ion battery modules 25 connected in series, and each lithium ion battery module 25 is formed by connecting a plurality of lithium ion batteries in series and parallel. The number of the lithium ion battery modules 25 is set according to parameters such as electric quantity and voltage required by the overall design of the power equipment. The temperature detection module may be formed by a lithium ion battery information acquisition unit 26 disposed in the first housing 21, and the lithium ion battery information acquisition unit 26 mainly acquires voltage and temperature information of the lithium ion battery pack 2.
When the lithium ion battery information collecting unit 26 is used to collect the temperature information of the lithium ion battery pack 2, it can be used as the temperature detecting module. The information collection of the lithium ion battery information collection unit 26 is a conventional technology, and therefore, the structure and principle thereof are not described herein.
The side wall of the first housing 21 is provided with a first wiring port 23 for connecting with the load 1, the first wiring port 23 is an external high-voltage and low-voltage wire harness interface of the lithium ion battery pack 2, and the lithium ion battery pack 2 is connected to the load 1 of the power equipment through the first wiring port 23. The first connection port 23 is connected to the lithium ion battery module 22 by a wire. Further optimally, a first high-voltage box 24 for controlling the connection and disconnection of the circuit is arranged on the connection circuit of the first wiring port 23 and the lithium ion battery module assembly 22. The first high-voltage box 24 is used for controlling the connection and disconnection of a line, and further controlling whether the lithium ion battery pack 2 is connected to the load 1 of the power equipment. The first high voltage box 24 includes electrical components such as a positive relay, a negative relay, a pre-charge resistor, and a current sensor, which are commonly used components of the battery pack, and therefore, the operation principle thereof will not be described herein.
As shown in fig. 3, the sodium ion battery pack 3 includes a second housing 31 and a sodium ion battery module assembly 32 disposed inside the second housing 31, the second housing 31 is detachably connected to the power equipment, and specifically, the chassis 6 of the second housing 31 is detachably connected to the power equipment. The sodium ion battery module assembly 32 includes a plurality of series-connected sodium ion battery modules 36, and each sodium ion battery module 36 is formed by a plurality of sodium ion cells connected in series and parallel.
The number of the sodium ion battery modules 36 is set according to parameters such as electric quantity and voltage required by the overall design of the power equipment. The inside of second casing 31 is equipped with sodium ion battery information acquisition unit 37, and accessible sodium ion battery information acquisition unit 37 real-time detection and feedback sodium ion battery package 3's information. The information collection of the sodium ion battery information collection unit 37 is a conventional technology, and therefore, the structure and principle thereof are not described herein.
The side wall of the second housing 31 is provided with a second wiring port 33 for connecting with the load 1, the second wiring port 33 is an external high-voltage and low-voltage wire harness interface of the sodium ion battery pack 3, and the sodium ion battery pack 3 is connected to the load 1 of the power equipment through the second wiring port 33. The second wiring port 33 is connected to the sodium ion battery module assembly 32. Preferably, a second high voltage box 34 for controlling the connection and disconnection of the line and a voltage converter 35 for adjusting the line voltage are arranged on the connection line between the second connection port 33 and the sodium ion battery module assembly 32. The second high-voltage box 34 is used for controlling the on-off of the line, and further controlling whether the sodium-ion battery pack 3 is connected to the load 1 of the power equipment. The second high voltage box 34 includes electrical components such as a positive relay, a negative relay, a pre-charge resistor, and a current sensor, and the voltage converter 35 is a bidirectional voltage converter, and can perform voltage boosting and voltage reducing functions. The second high voltage box 34 and the voltage converter 35 are all permanent parts of the sodium ion battery pack 3, and therefore, the operation principle thereof is not described too much.
In one scenario, the power equipment is a vehicle, and at this time, the size of the lithium ion battery pack 2, the size of the sodium ion battery pack 3 and the corresponding battery capacity can be flexibly set according to the design requirements of the vehicle. If the vehicle design needs to be operated in a low-temperature environment frequently, the size of the sodium ion battery pack 3 can be increased properly, the size of the lithium ion battery pack 2 is reduced, the number of the sodium ion battery modules 36 is increased, and the safety and the performance of the whole vehicle in the low-temperature environment are guaranteed. If the running scenes of the vehicle design in the low-temperature environment are few, the size of the sodium ion battery pack 3 can be properly reduced, the size of the lithium ion battery pack 2 is increased, namely the number of the lithium ion battery modules 25 is increased, and the design requirement of the whole vehicle is met.
As shown in fig. 4, the utility model also provides a vehicle, this moment vehicle be foretell power equipment promptly, the vehicle includes above-mentioned hybrid battery system, specifically, the hybrid battery system of this department includes above-mentioned hybrid battery system's whole technical characteristics, and lithium ion battery package 2 and sodium ion battery package 3 among the hybrid battery system insert in the load 1 of vehicle in parallel. Further optimally, the shell of the lithium ion battery pack 2 and the shell of the sodium ion battery pack 3 are respectively detachably connected with the vehicle, and are specifically detachably connected with the mounting part of the vehicle, so that the convenience of assembling and disassembling the shell of the lithium ion battery pack 2 and the shell of the sodium ion battery pack 3 is improved.
The size of the lithium ion battery pack 2 is matched with the size of the installation position of the vehicle, and the number of the lithium ion cells in the lithium ion battery pack 2 is matched with the power requirement of the vehicle. The size of the sodium ion battery pack 3 is matched with the size of the installation position of a vehicle, and the quantity of sodium ion battery cores in the sodium ion battery pack 3 is matched with the power demand of the vehicle, so that the design demand of the whole vehicle is met.
In some embodiments, the lithium ion battery pack 2 and the sodium ion battery pack 3 in the hybrid battery system are respectively disposed on a chassis 6 of the vehicle. Further optimally, the shell of the lithium ion battery pack 2 and the shell of the sodium ion battery pack 3 are detachably connected with the chassis 6 respectively, so that the convenience for dismounting and mounting the lithium ion battery pack 2 and the sodium ion battery pack 3 is improved. The lithium ion battery pack 2 and the sodium ion battery pack 3 can be detachably connected with a chassis 6 of a vehicle in an original buckling mode or in a bolt mode.
In other embodiments, the lithium ion battery pack 2 and the sodium ion battery pack 3 in the hybrid battery system may be arranged in any available space in the vehicle, depending on the vehicle design. Further optimally, the shell of the lithium ion battery pack 2 and the shell of the sodium ion battery pack 3 are detachably connected with the installation position of the vehicle respectively. The lithium ion battery pack 2 and the sodium ion battery pack 3 can be detachably connected with the mounting position of the vehicle in an original buckling mode or in a bolt mode.
Specifically, the lithium ion battery pack 2 and the sodium ion battery pack 3 are respectively provided with an independent shell, and are respectively provided with an independent structural mounting point with the vehicle, can be independently mounted and independently dismounted from the vehicle. The installation positions of the two battery packs in the vehicle can be arranged in the vehicle chassis 6 in parallel, the lithium ion battery pack 2 and the sodium ion battery pack 3 can also be arranged in the front part of the vehicle or any space arranged in the vehicle, or the lithium ion battery pack 2 and the sodium ion battery pack 3 can be respectively arranged in any space arranged in the front part of the vehicle and the rear part of the vehicle, the arrangement relative positions of the two battery packs are not limited, the whole vehicle can be flexibly arranged along with the design of the vehicle, and the schematic position shown in fig. 4 is that the sodium ion battery pack 3 and the lithium ion battery pack 2 are arranged in the middle of the vehicle chassis 6 in parallel. When two battery packages are arranged simultaneously, the high-voltage wire outgoing mode of the two battery packages can be flexibly arranged according to the design of the whole vehicle, the high-voltage wires can be outgoing from the front and the back and can be outgoing from the left and the right, and the high-voltage wire outgoing mode is flexible.
The lithium ion battery package 2 and the positive and negative high-voltage wires of the sodium ion battery package 3 are arranged outside the two battery packages in parallel, and are connected to the load 1 of the whole vehicle after being connected in parallel, and the schematic diagram of the electrical connection of the two battery packages is shown in figure 1. The main control unit 5 of the hybrid battery system is installed outside the two battery packs, and the main control unit 5 performs data transmission with the lithium ion battery information acquisition unit 26 and the sodium ion battery information acquisition unit 37, and the manner of the data transmission and data feedback is a conventional technology, and therefore, not described herein too much. The on-off of the first high-voltage box 24 and the second high-voltage box 34 can be controlled by the main control unit 5, so that the lithium ion battery pack 2 and the sodium ion battery pack 3 are selectively connected to the load 1 of the vehicle.
When the vehicle is in a low environment temperature and the temperature of the hybrid battery system is low, the performance of the lithium ion battery pack 2 is poor at the moment, the main control unit 5 of the hybrid battery system controls the high-voltage connection of the sodium ion battery pack 3 to the whole vehicle, the lithium ion battery pack 2 is not connected to a high-voltage network of the whole vehicle, and the energy supply of the whole vehicle is carried out by the sodium ion battery pack 3. At the moment, the sodium ion battery pack 3 can well meet the vehicle requirements during low-temperature discharge due to good low-temperature charge and discharge performance, and meanwhile, the low-temperature working condition working scenes of the lithium ion battery pack 2 can be reduced, the safety risk of the lithium ion battery pack 2 can be reduced, and the service life of the lithium ion battery pack 2 can be prolonged; meanwhile, the lithium ion battery pack 2 can heat the battery through the heating module 4 in the lithium ion battery pack 2, when the temperature of the lithium ion battery pack 2 rises to the temperature with better performance, the whole vehicle high-voltage network is accessed, at the moment, the two battery packs can simultaneously supply power to the vehicle, and the good endurance mileage of the whole vehicle can be guaranteed.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A hybrid battery system, characterized in that, the hybrid battery system includes a lithium ion battery pack (2) and a sodium ion battery pack (3) that can be connected to a load (1) of a power device, the lithium ion battery pack (2) and the sodium ion battery pack (3) are arranged in parallel, a heating module (4) and a temperature detection module are arranged inside the lithium ion battery pack (2), the heating module (4) is in signal connection with the temperature detection module, and is configured to:
the lithium ion battery pack (2) and/or the sodium ion battery pack (3) can be selectively connected to a load (1) of a power plant.
2. The hybrid battery system according to claim 1, wherein the lithium ion battery pack (2) comprises a first housing (21) and a lithium ion battery module assembly (22) disposed inside the first housing (21), wherein a side wall of the first housing (21) is provided with a first wiring port (23) for connection with a load (1), and the first wiring port (23) is in line connection with the lithium ion battery module assembly (22).
3. The hybrid battery system according to claim 2, wherein a first high voltage box (24) for controlling the connection and disconnection of the line is provided on the connection line of the first connection port (23) and the lithium ion battery module assembly (22).
4. The hybrid battery system of claim 2, wherein the lithium ion battery module assembly (22) comprises a plurality of lithium ion battery modules (25) connected in series.
5. The hybrid battery system according to claim 1, wherein the sodium ion battery pack (3) comprises a second housing (31) and a sodium ion battery module assembly (32) disposed inside the second housing (31), a side wall of the second housing (31) is provided with a second wiring port (33) for connection with a load (1), and the second wiring port (33) is in line connection with the sodium ion battery module assembly (32).
6. The hybrid battery system according to claim 5, wherein a second high voltage box (34) for controlling the connection and disconnection of the line and a voltage converter (35) for adjusting the line voltage are provided on the connection line of the second connection port (33) and the sodium ion battery module assembly (32).
7. The hybrid battery system according to claim 5, wherein the sodium ion battery module assembly (32) comprises a plurality of sodium ion battery modules (36) connected in series.
8. A vehicle characterized by comprising the hybrid battery system according to any one of claims 1 to 7.
9. Vehicle according to claim 8, characterized in that the lithium ion battery pack (2) and the sodium ion battery pack (3) in the hybrid battery system are each arranged on a chassis (6) of the vehicle.
10. Vehicle according to claim 9, characterized in that the housing of the lithium ion battery pack (2) and the housing of the sodium ion battery pack (3) are detachably connected to the chassis (6), respectively.
11. Vehicle according to claim 8, characterized in that the housing of the lithium ion battery pack (2) and the housing of the sodium ion battery pack (3) are detachably connected to the vehicle, respectively.
12. The vehicle according to claim 8, characterized in that the size of the lithium ion battery pack (2) matches the size of the installation location of the vehicle, the number of lithium ion cells in the lithium ion battery pack (2) matches the power demand of the vehicle; the size of the sodium ion battery pack (3) is matched with the size of the installation position of the vehicle, and the number of sodium ion battery cores in the sodium ion battery pack (3) is matched with the power requirement of the vehicle.
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|---|---|---|---|
| CN202222448885.4U CN218677283U (en) | 2022-09-15 | 2022-09-15 | Hybrid battery system and vehicle |
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| CN202222448885.4U CN218677283U (en) | 2022-09-15 | 2022-09-15 | Hybrid battery system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116937014A (en) * | 2023-09-13 | 2023-10-24 | 徐州徐工新能源动力科技有限公司 | Hybrid battery system, control circuit and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116937014A (en) * | 2023-09-13 | 2023-10-24 | 徐州徐工新能源动力科技有限公司 | Hybrid battery system, control circuit and control method |
| CN116937014B (en) * | 2023-09-13 | 2023-11-17 | 徐州徐工新能源动力科技有限公司 | Hybrid battery system, control circuit and control method |
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