A sodium ion power supply control and drive system

Abstract

The utility model relates to the technical field of electric vehicles, and in particular to a sodium ion power supply control and drive system. The utility model provides a sodium ion power supply control and drive system, comprising: a sodium ion battery structure, a controller and a drive structure; the sodium ion battery structure is electrically connected to the controller, the drive structure is connected to the controller through a power line, and the sodium ion battery structure comprises a plurality of shells, each group of the shells is provided with a sodium ion battery core; the utility model provides a plurality of unit body battery cores, thereby realizing the change of the driving force of the electric vehicle by increasing or decreasing the unit body according to demand, and in addition, when the unit body is damaged, only part of the battery core needs to be replaced, thereby greatly reducing the maintenance cost of the battery structure; by providing a cast aluminum shell, the heat dissipation effect is improved, the sensor strength is enhanced, and by reducing the thickness of the magnetic steel, the motor efficiency can be improved, the motor heating temperature can be reduced, and the service life can be extended.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to a sodium ion power supply control and drive system. Background Art

[0002] The existing use of electric vehicle batteries is to match batteries with different driving forces for electric vehicles with different power requirements. When a battery fails or the driving force of the entire vehicle needs to be changed, the original battery structure needs to be dismantled and replaced or repaired as a whole, which is not only troublesome to operate, but also increases the cost of replacing and adjusting the battery.

[0003] Therefore, it is necessary to provide a sodium ion power supply control and driving system with adjustable driving force. Utility Model Content

[0004] The utility model provides a sodium ion power supply control and drive system to solve the above technical problems.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a sodium ion power supply control and drive system, including: a sodium ion battery structure, a controller and a drive structure; the sodium ion battery structure is electrically connected to the controller, the drive structure is connected to the controller through a power line, and the sodium ion battery structure includes multiple shells, and each group of the shells is provided with a sodium ion battery cell.

[0006] Furthermore, the controller includes a base plate and a cast aluminum shell mounted on the top surface of the base plate by screws.

[0007] Furthermore, the inner wall of the cast aluminum shell is provided with a honeycomb heat dissipation structure.

[0008] Furthermore, the honeycomb heat dissipation structure includes a plurality of adjacently arranged heat dissipation grooves.

[0009] Furthermore, a circuit board is arranged between the cast aluminum shell and the bottom plate.

[0010] Furthermore, a silicone pad is provided on the bottom surface of the circuit board, and the silicone pad is fixed on the top surface of the bottom plate.

[0011] Furthermore, a phase line connection seat and a power supply connection seat are respectively arranged near the edges on both sides of the circuit board, and a wire cover is arranged on the phase line connection seat and the power supply connection seat, and a pin seat is also fixed on the circuit board.

[0012] Furthermore, the driving structure includes a motor shaft, a bracket is installed on the motor shaft, an iron core is sleeved on the bracket, end plates are sleeved on both sides of the bracket, a coil is arranged on the iron core between the two end plates, a magnet is arranged on the coil, and a hub is arranged on the motor shaft through a packaging structure.

[0013] Furthermore, the material of the magnetic steel is silicon steel sheet.

[0014] Furthermore, the thickness of the magnetic steel is 0.25 mm.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By setting up multiple battery cells, the driving force of the electric vehicle can be changed by increasing or decreasing the cells according to demand. In addition, when the cells are damaged, only part of the battery cells need to be replaced, which greatly reduces the maintenance cost of the battery structure.

[0017] By setting up a cast aluminum shell, the heat dissipation effect is improved and the sensing strength is enhanced;

[0018] By reducing the thickness of the magnetic steel, the motor efficiency can be improved, the motor heating temperature can be reduced, and the service life can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 A stereogram of an optimal embodiment of a sodium ion power supply control and drive system of the utility model;

[0021] Figure 2 A three-dimensional diagram of the best embodiment of the controller of the utility model;

[0022] Figure 3 A three-dimensional diagram of the optimal embodiment of the driving structure of the utility model;

[0023] Figure 4 It is a cross-sectional view of the optimal embodiment of the honeycomb heat dissipation structure of the utility model.

[0024] Among them, 1. sodium ion battery structure; 11. shell; 12. sodium ion battery cell; 2. controller; 21. power cord; 22. cast aluminum shell; 221. honeycomb heat dissipation structure; 23. phase line terminal block; 24. circuit board; 25. silicone pad; 26. wire cover; 27. power terminal block; 28. pin socket; 29. ​​bottom plate; 3. drive structure; 31. motor shaft; 32. bracket; 33. iron core; 34. end plate; 35. wire package; 36. magnet; 37. hub; 38. packaging structure. DETAILED DESCRIPTION

[0025] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0026] See also Figure 1 , Figure 1 This is a stereogram of the optimal embodiment of a sodium ion power supply control and drive system of the utility model. Figure 1 As shown, at least one embodiment provides a sodium ion power supply control and drive system, including: a sodium ion battery structure 1, a controller 2 and a drive structure 3; the sodium ion battery structure 1 is electrically connected to the controller 2, and the drive structure 3 is connected to the controller 2 via a power line 21.

[0027] Sodium ion battery structure1

[0028] The sodium ion battery structure 1 includes a plurality of unit battery cells. The driving force of the electric vehicle can be changed by increasing or decreasing the unit cells as required, or when the unit cells are damaged, only part of the battery cells need to be replaced, which greatly reduces the maintenance cost of the battery structure. Specifically, the sodium ion battery structure 1 includes a plurality of shells 11, each shell 11 and its internal structure constitute a unit body, each unit body is electrically connected to the controller 2 and the driving structure 3, respectively, and a sodium ion battery cell 12 is arranged in each group of shells 11.

[0029] Controller 2

[0030] See also Figure 2 Combined with Figure 4 , Figure 2 A three-dimensional diagram of the best embodiment of the controller of the utility model; Figure 4 This is a cross-sectional view of the optimal embodiment of the honeycomb heat dissipation structure of the utility model. Figure 2 and Figure 4 As shown, the controller 2 includes a base plate 29 and a cast aluminum shell 22 mounted on the top surface of the base plate 29 by screws; the inner wall of the cast aluminum shell 22 is provided with a honeycomb heat dissipation structure 221. It should be additionally added that the software optimization of the controller 2 adds a TCS anti-slip function; at the same time, the heat dissipation treatment of the shell is upgraded, with an all-aluminum structure and a three-dimensional honeycomb heat sink. Specifically, the honeycomb heat dissipation structure 221 includes a plurality of adjacently arranged heat dissipation grooves. A circuit board 24 is arranged between the cast aluminum shell 22 and the base plate 29. A silicone pad 25 is arranged on the bottom surface of the circuit board 24, and the silicone pad 25 is fixed on the top surface of the base plate 29. Phase line terminal blocks 23 and power supply terminal blocks 27 are respectively arranged near the edges on both sides of the circuit board 24, and wire covers 26 are arranged on the phase line terminal blocks 23 and the power supply terminal blocks 27. A pin seat 28 is also fixed on the circuit board 24.

[0031] Drive structure 3

[0032] See also Figure 3 , Figure 3 3D diagram of the optimal embodiment of the drive structure of the utility model; Figure 3 As shown, the driving structure 3 includes a motor shaft 31, a bracket 32 ​​is mounted on the motor shaft 31, an iron core 33 is sleeved on the bracket 32, end plates 34 are sleeved on both sides of the bracket 32, a wire package 35 is arranged on the iron core 33 between the two end plates 34, a magnetic steel 36 is arranged on the wire package 35, and a hub 37 is arranged on the motor shaft 31 through a packaging structure 38. The material of the magnetic steel 36 is silicon steel sheet. The thickness of the magnetic steel 36 is 0.25mm. Compared with the related art, the reduction of the thickness of the magnetic steel 36 can improve the motor efficiency point by 3%, and also reduce the heating temperature of the motor, thereby extending the service life.

[0033] In summary, by setting up multiple unit battery cells, the driving force of the electric vehicle can be changed by increasing or decreasing the unit cells according to demand. In addition, when the unit cells are damaged, only part of the battery cells need to be replaced, which greatly reduces the maintenance cost of the battery structure. By setting up a cast aluminum shell 22, the heat dissipation effect is improved, the sensor strength is enhanced, and by reducing the thickness of the magnetic steel 36, the motor efficiency can be improved, the motor heating temperature can be reduced, and the service life can be extended.

[0034] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A sodium ion power supply control and drive system, characterized in that: include: A sodium ion battery structure (1), a controller (2) and a drive structure (3); the sodium ion battery structure (1) is electrically connected to the controller (2), the drive structure (3) is connected to the controller (2) via a power line (21), and the sodium ion battery structure (1) comprises a plurality of housings (11), each group of the housings (11) being provided with a sodium ion battery cell (12).

2. A sodium ion power supply control and drive system as claimed in claim 1, characterized in that: The controller (2) comprises a base plate (29) and a cast aluminum housing (22) mounted on the top surface of the base plate (29) by means of screws.

3. A sodium ion power supply control and drive system as claimed in claim 2, characterized in that: The inner wall of the cast aluminum housing (22) is provided with a honeycomb heat dissipation structure (221).

4. A sodium ion power supply control and drive system as claimed in claim 3, characterized in that: The honeycomb heat dissipation structure (221) comprises a plurality of heat dissipation grooves arranged adjacent to each other.

5. A sodium ion power supply control and drive system as claimed in claim 2, characterized in that: A circuit board (24) is arranged between the cast aluminum housing (22) and the bottom plate (29).

6. A sodium ion power supply control and drive system as claimed in claim 5, characterized in that: A silicone pad (25) is provided on the bottom surface of the circuit board (24), and the silicone pad (25) is fixed on the top surface of the bottom plate (29).

7. A sodium ion power supply control and drive system as claimed in claim 5, characterized in that: A phase line connection seat (23) and a power connection seat (27) are respectively arranged near the edges on both sides of the circuit board (24); a wire cover (26) is arranged on the phase line connection seat (23) and the power connection seat (27); and a pin seat (28) is also fixed on the circuit board (24).

8. A sodium ion power supply control and drive system as claimed in claim 1, characterized in that: The driving structure (3) comprises a motor shaft (31), a bracket (32) is mounted on the motor shaft (31), an iron core (33) is sleeved on the bracket (32), end plates (34) are sleeved on both sides of the bracket (32), a coil (35) is arranged on the iron core (33) between the two end plates (34), a magnetic steel (36) is arranged on the coil (35), and a hub (37) is arranged on the motor shaft (31) via a packaging structure (38).

9. A sodium ion power supply control and drive system as claimed in claim 8, characterized in that: The material of the magnetic steel (36) is silicon steel sheet.

10. A sodium ion power supply control and drive system as claimed in claim 8, characterized in that: The thickness of the magnetic steel (36) is 0.25 mm.

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