CN215266449U

CN215266449U - Intelligent power battery pack

Info

Publication number: CN215266449U
Application number: CN202121500862.2U
Authority: CN
Inventors: 陈步霄
Original assignee: Luhua Energy Technology Baoshan Co ltd
Current assignee: Luhua Energy Technology Baoshan Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-21
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to a power battery technical field just discloses intelligent power battery group, including power lithium cell group, the inside of power lithium cell group and the inboard at middle part are provided with two parts of leading and the double-deck box body of module respectively, and the inside of the double-deck box body of module is equipped with the coolant liquid die cavity, self-cooling part is installed to the inboard at the double-deck box body middle part of module, and cup joints the inside at the coolant liquid die cavity from the equal activity in both sides of self-cooling part, intelligent observing and controlling unit and temperature sensor are installed respectively to the inner wall and the top of the double-deck box body one side of module. The utility model discloses set up double-deck box body of module, coolant liquid die cavity, constitute liquid heat dissipation and construct from the heat dissipation, then the cooperation is two leads the part and is together used the back, can derive, dispel the heat fast the heat that produces when the operation of power lithium cell group, promotes the security when using when solving current traditional group battery because of the too early problem that loses efficacy of thermal runaway.

Description

Intelligent power battery pack

Technical Field

The utility model relates to a power battery technical field specifically is intelligent power battery group.

Background

At present, China encourages the development of new energy greatly, on one hand, the problem of increasingly scarce resources is solved, on the other hand, the environmental pollution to the earth is reduced, the power lithium battery pack in the research of the new energy is one of key subjects, the power lithium battery pack has high energy density, less environmental pollution, simple and convenient assembly and low cost, and is called as the heart of the future of an electric vehicle, but in the actual work of the lithium ion battery pack, chemical reaction heat and joule heat exist in the charging and discharging process, particularly, when high-power large-current discharge occurs, the temperature of a single battery is overhigh, so that the temperature in the battery pack is seriously unbalanced, the battery pack fails early due to thermal runaway, and even serious consequences such as spontaneous combustion and explosion are generated, and therefore, aiming at the problems, the intelligent power battery pack is provided for solving.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an intelligence power battery group has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: intelligent power battery group, including power lithium cell group, the inside of power lithium cell group and the inboard at middle part are provided with two parts of leading and the double-deck box body of module respectively, and the inside of the double-deck box body of module is equipped with the coolant liquid die cavity, the inboard at the double-deck box body middle part of module is installed from the radiating part, and cup joints the inside at the coolant liquid die cavity from the equal activity in both sides of radiating part, intelligent observing and controlling unit and temperature sensor are installed respectively to the inner wall and the top of the double-deck box body one side of module.

As the utility model discloses a further optimization scheme, the inside of two parts of leading is including the heat conduction stick, and the inside of heat conduction stick is fixed respectively and has cup jointed first heat-conducting plate and second heat-conducting plate, one side fixedly connected with location heat conduction strip of first heat-conducting plate.

As the utility model discloses a further optimization scheme, the double-deck box body joint of module is in the inboard at power lithium cell group middle part to utilize the screw to connect, and the both sides of the double-deck box body of module are provided with the first groove of stepping down, the first groove of stepping down and location heat conduction strip joint, the second groove of stepping down has been seted up in the front of the double-deck box body of module.

As the utility model discloses a further optimization scheme, including miniature double-shaft motor from the inside of radiating part, and miniature double-shaft motor's bottom fixed connection is on the inner wall at the double-deck box body middle part of module, the equal fixed mounting in both sides of miniature double-shaft motor has the transmission shaft, the inside of coolant liquid die cavity is cup jointed in the inner wall activity that the double-deck box body of module was run through to the one end of transmission shaft, and the one end of transmission shaft and the department of running through from the radiating part inner wall install the axle and use the sealing washer, the terminal surface fixedly connected with stirring page or leaf of transmission shaft one end.

As a further optimization scheme of the utility model, the fixed surface of the transmission shaft other end has cup jointed the flabellum, and the flabellum activity cup joints all contactless with the inner wall of the double-deck box body of module when the double-deck box body of module is inside.

As the utility model discloses a further optimization scheme, temperature sensor passes through wire and intelligent observing and controlling unit electric connection, and the inside of intelligent observing and controlling unit is including microprocessor, the unit is also observed and controlled to intelligence through wire electric connection has the silicon rubber hot plate, silicon rubber hot plate fixed mounting is on the inner wall of the double-deck box body opposite side of module.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses set up double-deck box body of module, coolant liquid die cavity, constitute liquid heat dissipation and construct from the heat dissipation, then the cooperation is two leads the part and is together used the back, can derive, dispel the heat fast the heat that produces when the operation of power lithium cell group, promotes the security when using when solving current traditional group battery because of the too early problem that loses efficacy of thermal runaway.

2. The utility model discloses the intelligent measurement and control unit that sets up, temperature sensor mutually supports and constitutes intelligent control mechanism, and then the monitoring through to the inside temperature of power lithium cell group comes the pertinence open or close liquid heat dissipation and from heat dissipation mechanism, further optimize the practicality of device, and the inside silicon rubber hot plate that sets up of the double-deck box body of module also is regulated and control by intelligent control mechanism, the condition low excessively to the inside temperature of power lithium cell group, can still carry out reverse heat conduction through above-mentioned liquid heat dissipation and from heat dissipation mechanism, protection power lithium cell group, the improvement practicality.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic top view of the double guide member of the present invention;

FIG. 3 is a schematic perspective view of the double guide member of the present invention;

FIG. 4 is a right-side view of the double-layered box of the structural module of the present invention;

FIG. 5 is a schematic sectional view of the double-layered box body of the structural module of the present invention;

fig. 6 is an enlarged schematic view of a position a in the structure diagram 5 of the present invention.

In the figure: 1. a power lithium battery pack; 2. a double guide member; 21. a heat conducting rod; 22. a first heat-conducting plate; 23. a second heat-conducting plate; 24. positioning the heat conducting strip; 3. a modular double-deck box; 4. a cooling liquid cavity; 5. a self-heat-dissipating component; 51. a miniature dual-axis motor; 52. a drive shaft; 53. a fan blade; 54. stirring the page; 55. a seal ring for a shaft; 6. a silicon rubber heating plate; 7. an intelligent measurement and control unit; 8. a temperature sensor; 9. a first abdicating groove; 10. and a second abdicating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, an intelligent power battery pack includes a power lithium battery pack 1, a double-conductive part 2 and a module double-layer box body 3 are respectively disposed inside and inside the middle of the power lithium battery pack 1, a heat-conducting rod 21 is included inside the double-conductive part 2, a first heat-conducting plate 22 and a second heat-conducting plate 23 are respectively fixedly sleeved inside the heat-conducting rod 21, a positioning heat-conducting strip 24 is fixedly connected to one side of the first heat-conducting plate 22, the heat-conducting rod 21, the first heat-conducting plate 22 and the second heat-conducting plate 23 inside the double-conductive part 2 form a heat-conducting network structure and finally converge to the positioning heat-conducting strip 24 for centralized heat dissipation, thereby achieving comprehensive heat dissipation inside the power lithium battery pack 1, the module double-layer box body 3 is clamped inside the middle of the power lithium battery pack 1 and connected by screws, and first relief grooves 9 are disposed on both sides of the module double-layer box body 3, the first abdicating groove 9 is connected with the positioning heat conducting strip 24 in a clamping way, the front surface of the module double-layer box body 3 is provided with a second abdicating groove 10, the module double-layer box body 3 and the power lithium battery pack 1 are arranged in a module quick connection way, which is beneficial to the subsequent power lithium battery pack 1, the recycling of the module double-layer box body 3 and the maintenance of the components arranged in the module double-layer box body 3, the module double-layer box body 3 is internally provided with a cooling liquid cavity 4, the inner side of the middle part of the module double-layer box body 3 is provided with a self-heat-radiating component 5, both sides of the self-heat-radiating component 5 are movably sleeved in the cooling liquid cavity 4, the self-heat-radiating component 5 comprises a micro double-shaft motor 51, the bottom of the micro double-shaft motor 51 is fixedly connected on the inner wall of the middle part of the module double-layer box body 3, both sides of the micro double-shaft motor 51 are fixedly provided with transmission shafts 52, one end of the transmission shaft 52 penetrates through the inner wall of the module double-layer box body 3 and is movably sleeved in the cooling liquid cavity 4, and the penetration of one end of the drive shaft 52 and the inner wall of the self-radiating part 5 is provided with a shaft seal ring 55, the end face of one end of the drive shaft 52 is fixedly connected with a stirring blade 54, the self-radiating part 5 can automatically radiate the cooling liquid in the cooling liquid cavity 4, thereby ensuring the heat absorption efficiency and avoiding temperature assimilation, the surface of the other end of the drive shaft 52 is fixedly sleeved with a fan blade 53, the fan blade 53 is movably sleeved in the module double-layer box body 3 and is not contacted with the inner wall of the module double-layer box body 3, the fan blade 53 moves synchronously with the drive shaft 52, thereby realizing pneumatic self-radiating, further improving the operation effect of the self-radiating part 5, the inner wall and the top of one side of the module double-layer box body 3 are respectively provided with an intelligent measurement and control unit 7 and a temperature sensor 8, the temperature sensor 8 is electrically connected with the intelligent measurement and control unit 7 through a lead, and control unit 7 comprises a micro processor, the intelligent measurement and control unit 7 is also connected with a silicon rubber heating plate 6 through a wire electric property, the silicon rubber heating plate 6 is fixedly installed on the inner wall of the other side of the module double-layer box body 3, the intelligent measurement and control unit 7 and the temperature sensor 8 are mutually matched to form an intelligent control mechanism, and then the liquid heat dissipation is opened or closed in a targeted manner through monitoring the internal temperature of the power lithium battery pack 1 and the self-heat dissipation mechanism, so that the practicability of the device is further optimized.

The working principle is as follows: when the intelligent measurement and control unit 7 is used, the temperature sensor 8 monitors the internal temperature of the power lithium battery pack 1 and feeds the internal temperature back to the intelligent measurement and control unit 7, when the internal stability of the power lithium battery pack 1 is too high, heat is firstly converged to the positioning heat conduction strip 24 through the heat conduction rod 21, the first heat conduction plate 22 and the second heat conduction plate 23 in the double-conduction part 2, and then is conducted to the cooling liquid pre-installed in the cooling liquid cavity 4 through the positioning heat conduction strip 24, so that heat dissipation and heat conduction are realized, meanwhile, the intelligent measurement and control unit 7 can also control the starting of the miniature double-shaft motor 51, then the miniature double-shaft motor 51 drives the transmission shafts 52 arranged at two sides thereof and the fan blades 53 and the stirring blades 54 respectively arranged at two ends of the two transmission shafts 52 to synchronously rotate, the cooling liquid in the cooling liquid cavity 4 is automatically dissipated, the heat absorption efficiency is ensured, the temperature homogenization is avoided, and when the internal temperature of the power lithium battery pack 1 is too low, similarly, temperature sensor 8 monitors the inside temperature of power lithium cell group 1 and feeds back to intelligent measurement and control unit 7, observe and control unit 7 by intelligence and start silicon rubber hot plate 6, make silicon rubber hot plate 6 heat the coolant liquid of 4 inside pre-installations of coolant liquid die cavity, then through the inside of the double-deck box body of module 3 and two guide part 2 reverse heat conduction to power lithium cell group 1 again, treat the normal back of the inside temperature of power lithium cell group 1, silicon rubber hot plate 6 is closed again to intelligent measurement and control unit 7, and intelligent measurement and control unit 7, silicon rubber hot plate 6, from the required electric power of radiating part 5, the inside of the double-deck box body of module 3 is provided electric power to usable current battery cover, also can directly adopt the electric power of power lithium cell group 1 self.

It is noted that, herein, 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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Intelligent power battery group, including power lithium cell group (1), its characterized in that: the inside of power lithium cell group (1) and the inboard at middle part are provided with two parts of leading (2) and the double-deck box body of module (3) respectively, and the inside of the double-deck box body of module (3) is equipped with coolant liquid die cavity (4), the inboard at the middle part of the double-deck box body of module (3) is installed from heat dissipation part (5), and cup joints the inside at coolant liquid die cavity (4) from the equal activity in both sides of heat dissipation part (5), intelligent observing and controlling unit (7) and temperature sensor (8) are installed respectively to the inner wall and the top of the double-deck box body of module (3) one side.

2. The intelligent power battery pack of claim 1, wherein: the inside of two parts of leading (2) is including heat conduction stick (21), and the inside of heat conduction stick (21) is fixed respectively to be cup jointed first heat-conducting plate (22) and second heat-conducting plate (23), one side fixedly connected with location heat conduction strip (24) of first heat-conducting plate (22).

3. The intelligent power battery pack of claim 1 or 2, wherein: the double-deck box body of module (3) joint is in the inboard at power lithium cell group (1) middle part to utilize the screw to connect, and the both sides of the double-deck box body of module (3) are provided with first groove of stepping down (9), first groove of stepping down (9) and location heat conduction strip (24) joint, second groove of stepping down (10) have been seted up in the front of the double-deck box body of module (3).

4. The intelligent power battery pack of claim 1, wherein: the inside of self-radiating part (5) is including miniature double-shaft motor (51), and the bottom fixed connection of miniature double-shaft motor (51) is on the inner wall at the double-deck box body of module (3) middle part, the equal fixed mounting in both sides of miniature double-shaft motor (51) has transmission shaft (52), the inside of coolant liquid die cavity (4) is received to the inner wall movable sleeve that the double-deck box body of module (3) was run through to the one end of transmission shaft (52), and the one end of transmission shaft (52) and the department of running through from radiating part (5) inner wall install axle and use sealing washer (55), the terminal surface fixedly connected with stirring page or leaf (54) of transmission shaft (52) one end.

5. The intelligent power battery pack of claim 4, wherein: the surface of the other end of the transmission shaft (52) is fixedly sleeved with the fan blades (53), and the fan blades (53) are movably sleeved inside the module double-layer box body (3) and are not in contact with the inner wall of the module double-layer box body (3).

6. The intelligent power battery pack of claim 1, wherein: temperature sensor (8) observe and control unit (7) electric connection through wire and intelligence, and the inside of intelligence observing and controlling unit (7) is including microprocessor, intelligence observes and controls unit (7) also have silicon rubber hot plate (6) through wire electric connection, silicon rubber hot plate (6) fixed mounting is on the inner wall of the double-deck box body of module (3) opposite side.