CN219457731U

CN219457731U - Battery box integrating wireless charging function on water cooling plate

Info

Publication number: CN219457731U
Application number: CN202320050517.6U
Authority: CN
Inventors: 杨帅; 熊栋; 魏文锋; 丁江平; 叶国强
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Ningbo Xintai Machinery Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-08-01
Anticipated expiration: 2033-01-09

Abstract

The utility model belongs to the technical field of battery boxes, and provides a battery box with a wireless charging function integrated on a water cooling plate. The utility model has the advantages that the high strength of the battery box composite material bottom guard board is exerted, the composite material bottom guard board can be formed in a complex manner, the advantages of no magnetic field interference are realized, the wireless charging receiving end module is integrated, and the original cooling plate of the wireless module is integrated and omitted by adopting the mode of the battery box water cooling plate.

Description

Battery box integrating wireless charging function on water cooling plate

Technical Field

The utility model belongs to the technical field of battery boxes, and relates to a battery box with a wireless charging function integrated on a water cooling plate.

Background

In order to save energy and reduce environmental pollution, electric automobiles are greatly popularized in all countries of the world. The charging problem becomes the most important bottleneck problem in the development process of the electric automobile due to the limitation of the battery capacity, charging infrastructure and other conditions. The wireless charging technology can solve interface limitation, safety problem and the like faced by traditional conduction type charging, so that the wireless charging technology is gradually developed into a main mode of charging the electric automobile. However, static wireless charging and wired charging have the problems of frequent charging, short endurance mileage, large battery consumption, high cost and the like. Particularly, for buses such as electric buses, the continuous endurance is particularly important. In such a background, an electric vehicle dynamic wireless charging technology has been developed to supply energy to an electric vehicle in running in real time in a non-contact manner. The wireless charging technology of the electric automobile transmits electric energy to the electric energy pickup mechanism of the vehicle receiving end running in a certain range on the ground in a high-frequency alternating magnetic field mode through the power supply guide rail buried under the ground, so that power is supplied to the vehicle-mounted energy storage equipment, a small amount of battery packs can be carried on the electric automobile, the endurance mileage of the electric automobile is prolonged, and meanwhile, the electric energy supply change is safe and convenient. The main parameter indexes of the dynamic wireless power supply technology include electric energy transmission distance, power, efficiency, lateral movement adaptability of a coupling mechanism, electromagnetic compatibility and the like. Therefore, the development of a dynamic wireless power supply system with high power, high efficiency, strong side-shifting adaptability, low electromagnetic radiation and moderate cost becomes a current main research hotspot of various research institutions at home and abroad.

The development of new energy industry, especially the rapid growth of pure electric vehicles, will necessarily put higher demands on the diversification and convenience of the charging modes of electric vehicles. The wireless charging technology is an emerging technology, and commercial operation is mainly applied to charging of low-power equipment such as mobile phones, computers, walkman and the like, and is a brand new concept in the field of electric automobiles. With the maturity of wireless charging technology, electric automobiles will be the most potential market for wireless charging devices. The existing automobile wireless receiver is installed in the front auxiliary frame, the limitation of design space is large, the limitation of coil laying area is high, the limitation of design space is large for future larger power and large coil wireless charging application scenes, the existing automobile wireless receiver is often provided with a cooling system, compared with the scheme of the patent, the cost is high, the existing automobile wireless receiver is provided with a shell, and particularly a coil tray is made of plastic parts, so that the impact resistance is poor.

Disclosure of Invention

The utility model aims at the current state of the art, and provides the battery box with the wireless charging function integrated on the water cooling plate, wherein the wireless charging receiver is integrated on the water cooling plate, namely, the inside of the battery box, so that the wide design space of the battery box XY is fully developed, and meanwhile, the added value of the new energy battery box is greatly improved.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a battery box of integrated wireless function of charging on water-cooling board, its characterized in that includes battery box frame, water-cooling board, box BMS module, wireless module and end backplate, wireless module install on the water-cooling board, end backplate is located battery box frame bottom, wireless module receive the magnetic field line of ground transmitting end, produce the electric energy, transmit to box BMS module with direct current's mode after the voltage adjustment.

In one of the above modes, in the battery box integrated with the wireless charging function on the water cooling plate, the wireless module comprises a rectifier and a coil module, the rectifier and the coil module are all arranged below the water cooling plate, and a tray for carrying the wireless module is arranged between the water cooling plate and the bottom guard plate.

In the battery box integrating the wireless charging function on the water cooling plate, the side frame of the battery box is internally provided with the longitudinal beam, the water cooling plate is arranged at the lower part of the longitudinal beam, the heat conducting glue is filled in the tray, the rectifier and the coil module are respectively arranged on the tray left and right, and the heat conducting glue is attached to the water cooling plate.

In the battery box integrating the wireless charging function on the water cooling plate, a circle of sealing structural adhesive is coated around the tray, the coil module comprises a coil and ferrite, the ferrite is placed above the coil, and the tray is arranged on the water cooling plate.

In the battery box integrating the wireless charging function on the water cooling plate, the tray is provided with the bolt hole, the bolt hole is provided with the bolt nut, and the bolt nut penetrates through the tray and the water cooling plate and is fixedly connected with the longitudinal beam.

In another aspect, in the battery box with the wireless charging function integrated on the water cooling plate, the wireless module includes a rectifier and a coil module, the rectifier is disposed above the water cooling plate, the coil module is disposed below the water cooling plate, and a tray for carrying the coil module is installed between the water cooling plate and the bottom guard plate.

In the battery box integrating the wireless charging function on the water cooling plate, the side frame of the battery box is internally provided with the longitudinal beam, the water cooling plate is arranged at the lower part of the longitudinal beam, the tray is internally filled with heat conducting glue, the coil module is arranged on the tray, and the heat conducting glue is attached to the water cooling plate.

In the above battery case integrating the wireless charging function on the water cooling plate, the rectifier and the case BMS module are integrated into one module and mounted above the water cooling plate.

Compared with the prior art, the utility model has the advantages that the high strength of the battery box composite material bottom guard plate is exerted, the composite material bottom guard plate can be formed in a complex manner, the advantage of no magnetic field interference is realized, the wireless charging receiving end module is integrated, the protection point is that the wireless charging element is arranged on the existing water cooling plate of the battery box, the original cooling plate of the wireless module is integrated and omitted by adopting the mode of the water cooling plate of the battery box, and the utility model reduces the cost of the wireless charging module, provides wider installation space for XY, can be suitable for wireless receiving coils with various sizes, and improves the added value of the battery box.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of a first arrangement of a battery box integrated with a wireless charging function on a water cooling plate;

fig. 2 is a schematic top view of an assembled battery box integrated with a wireless charging function on a water cooling plate;

FIG. 3 is a schematic view of the cross-sectional structure of A-A of FIG. 2;

FIG. 4 is a schematic view of the B-B cross-sectional structure of FIG. 2;

FIG. 5 is a schematic diagram of an exploded view of a second arrangement of a battery box with wireless charging integrated on a water cooling plate;

fig. 6 is a schematic top view of a second arrangement of a battery box integrated with a wireless charging function on the water cooling plate;

FIG. 7 is a schematic view of the cross-sectional C-C structure of FIG. 6;

fig. 8 is a schematic view of the D-D cross-sectional structure of fig. 6.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

In the figure, a battery case frame 100; a water-cooling plate 200; a case BMS module 300; a bottom guard 400; a rectifier 500; a coil module 600; a coil 601; ferrite 602; a tray 700; a stringer 800; a heat conductive adhesive 900; sealing the structural adhesive 1000; bolt nut 1001.

Example 1

As shown in FIG. 1, this battery box integrating wireless function of charging on the water-cooling board, including battery box frame 100, water-cooling board 200, box BMS module 300, wireless module and end backplate 400, wireless module installs on water-cooling board 200, end backplate 400 is located battery box frame 100 bottom, end backplate 400 can adopt the combined material, can wholly lighten weight like this, wireless module receives the magnetic field line of ground transmitting end, produce the electric energy, transmit to box BMS module 300 with the mode of direct current after the voltage adjustment, this patent is mainly in original battery box structure, water-cooling board 200 mainly dispels the heat to electric core or module, with wireless module direct mount to water-cooling board 200 on, this water-cooling board 200 both dispels the heat to electric core module group, also dispel the heat to wireless module simultaneously, can omit wireless module's cooling system like this, weaken wireless module original shell structure, greatly reduced its cost.

As shown in fig. 2, fig. 3 and fig. 4, there are two modes of the wireless module and the water cooling plate 200, wherein the first mode is that the wireless module comprises a rectifier 500 and a coil module 600, the rectifier 500 and the coil module 600 are all arranged below the water cooling plate 200, a tray 700 for carrying the wireless module is installed between the water cooling plate 200 and a bottom guard 400, the rectifier 500 and the coil module 600 are both positioned in the tray 700 and are installed below the water cooling plate 200 for cooling, a side beam 800 is arranged in a battery box frame 100, the water cooling plate 200 is installed below the side beam 800, the heat conducting glue 900 is filled in the tray 700 for ensuring the cooling effect, the rectifier 500 and the coil module 600 are respectively arranged on the tray 700, the heat conducting glue 900 is attached to the water cooling plate 200, a circle of sealing structure glue 1000 is coated around the tray 700, the coil module 600 comprises a coil 601 and a coil 602, the coil 602 is placed above the coil 601, the tray 700 is installed on the water cooling plate 200, in order to ensure that the heat conducting glue inside the tray 700 can be attached to the side frame 200 and the side frame 200 through bolt holes of the water cooling plate 200, and the side beam 700 can be fixedly connected to the water cooling plate 100 through the side beam 200, and the side beam is also fixedly arranged on the water cooling plate 100, and the side frame 200 is fixedly connected to the side frame 100.

Example 2

As shown in fig. 5, 6, 7 and 8, the wireless module includes a rectifier 500 and a coil module 600, the rectifier 500 is disposed above the water-cooling plate 200, the coil module 600 is disposed below the water-cooling plate 200, a tray 700 for carrying the coil module 600 is disposed above and below the water-cooling plate 200, a side frame 800 is disposed in the battery box frame 100, the water-cooling plate 200 is disposed below the side frame 800, a heat-conducting glue 900 is filled in the tray 700, the coil module 600 is disposed on the tray 700, in order to ensure the cooling effect, the heat-conducting glue 900 is attached to the water-cooling plate 200, only the coil module 600 is mounted in the tray 700, the rectifier 500 and the box BMS module 300 are integrated into one module and are mounted above the water-cooling plate 200, the rectifier 500 and the coil module 600 are disposed above and below the water-cooling plate 200, a circle of sealing structural glue 1000 is coated around the tray 700, the coil module 600 includes a coil 601 and a coil 602, the coil 602 is disposed above the coil 601, the tray 700 is mounted in the side frame 200, and the water-cooling plate 700 is mounted in the water-cooling plate 200 and is mounted in the bolt hole of the water-cooling plate 200, and is fixed to the side frame 200, and the water-cooling plate 200 is mounted in the bolt hole 1001, and the water-cooling plate is mounted on the side frame 200, and the side frame 200 is fixed to the water-cooling plate 200.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a battery box of integrated wireless function of charging on water-cooling board, its characterized in that includes battery box frame, water-cooling board, box BMS module, wireless module and end backplate, wireless module install on the water-cooling board, end backplate is located battery box frame bottom, wireless module receive the magnetic field line of ground transmitting end, produce the electric energy, transmit to box BMS module with direct current's mode after the voltage adjustment.

2. The battery box integrated with the wireless charging function on the water cooling plate according to claim 1, wherein the wireless module comprises a rectifier and a coil module, the rectifier and the coil module are arranged below the water cooling plate, and a tray for carrying the wireless module is arranged between the water cooling plate and the bottom guard plate.

3. The battery box integrating the wireless charging function on the water cooling plate according to claim 2, wherein the battery box frame is internally provided with a longitudinal beam, the water cooling plate is arranged at the lower part of the longitudinal beam, the tray is filled with heat conducting glue, the rectifier and the coil module are respectively arranged on the tray left and right, and the heat conducting glue is attached to the water cooling plate.

4. A battery box integrated with a wireless charging function on a water cooling plate according to claim 3, wherein a circle of sealing structure glue is coated around the tray, the coil module comprises a coil and ferrite, the ferrite is placed above the coil, and the tray is mounted on the water cooling plate.

5. The battery box integrated with the wireless charging function on the water cooling plate according to claim 4, wherein the tray is provided with a bolt hole, a bolt and a nut are arranged in the bolt hole, and the bolt and the nut penetrate through the tray and the water cooling plate and are fixedly connected with the longitudinal beam.

6. The battery box integrated with the wireless charging function on the water cooling plate according to claim 1, wherein the wireless module comprises a rectifier and a coil module, the rectifier is arranged above the water cooling plate, the coil module is arranged below the water cooling plate, and a tray for bearing the coil module is arranged between the water cooling plate and the bottom guard plate.

7. The battery box integrated with the wireless charging function on the water cooling plate according to claim 6, wherein the battery box frame is internally provided with a longitudinal beam, the water cooling plate is arranged at the lower part of the longitudinal beam, the tray is internally filled with heat conducting glue, the coil module is arranged on the tray, and the heat conducting glue is attached to the water cooling plate.

8. The battery box integrated with the wireless charging function on the water cooling plate according to claim 7, wherein a circle of sealing structural adhesive is coated around the tray, the coil module comprises a coil and ferrite, the ferrite is placed above the coil, and the tray is arranged on the water cooling plate.

9. The battery box integrated with wireless charging function on a water cooling plate according to claim 8, wherein the rectifier is integrated with the box BMS module as one module and installed above the water cooling plate.

10. The battery box integrated with the wireless charging function on the water cooling plate according to claim 9, wherein the tray is provided with a bolt hole, a bolt and a nut are arranged in the bolt hole, and the bolt and the nut penetrate through the tray and the water cooling plate and are fixedly connected with the longitudinal beam.