TWM613563U - Rotary electric machine - Google Patents

Abstract

This case is about a rotating electric machine, including a housing, a stator, a rotor, an outer cover, and a plurality of power cables. The housing includes a first accommodating space. The stator is arranged in the first accommodating space, and includes a stator core, a plurality of windings, a circuit board and a plurality of conductive pillars. The stator core includes a hollow part, a plurality of windings are wound on the stator core, the circuit board is fixed on the top of the stator core, and the plurality of conductive elements are electrically connected to the circuit board, respectively. The rotor includes a shaft portion and an end cover. The shaft portion is arranged in the hollow part of the stator and rotates in response to the drive of the stator. The end cover is fixed on the top of the casing and includes a slot. The slotted pair is located on the plurality of conductive pillars, and the plurality of conductive pillars respectively partially pass through the slot. The cover includes a connector. The two ends of each power cable are respectively electrically connected to a plurality of conductive posts and connectors.

Description

Rotating motor

This case is about a rotating electric machine, especially a rotating electric machine that is convenient for power cable assembly operations.

Rotary electric machines, such as motors, have been widely used in various fields and applications. Generally speaking, a rotating electric machine includes a stator and a rotor. The stator includes a stator core, a plurality of windings and a circuit board, wherein the stator core includes a hollow part, and the plurality of windings are wound on the stator core. The rotor is arranged in the hollow part of the stator and can rotate relative to the stator. At present, the power cable of the rotating electric machine is directly electrically connected to the circuit board of the stator by manual welding. In the process of assembling the stator and rotor of the rotating electric machine, the power cable is first welded directly on the circuit board of the stator. Afterwards, the power cable is manually pulled through the corresponding perforation of one of the end caps of the rotor, and the power cable is pulled out by pulling the wire while pressing the wire by manual or equipment. Finally, the stator and rotor are assembled. The rotating electric machine can be connected to an external power source by a power cable to provide the electric energy required for the operation of the rotating electric machine.

However, in the above-mentioned assembly process of the stator and the rotor, since the power cable must be manually pulled out of the corresponding perforation of the end cover of the rotor, the power cable is likely to be scratched or damaged, which affects the reliability of the product. In addition, since the operator needs to perform manual wire-drawing operations while performing the pressure cooperation between the rotor and the stator, the operator's hands are likely to be crushed or injured.

Therefore, it is necessary to develop a rotating electric machine to solve the problems faced by the prior art.

The purpose of this case is to provide a rotating electric machine that facilitates the assembly of power cables, facilitates the assembly of the rotor and the stator, can save assembly time, can improve the safety of operators, de-wire the interior of the stator, and avoid power cables Damage can improve product reliability.

In order to achieve the above-mentioned purpose, one of the broader implementation aspects of this case is to provide a rotating electric machine, which includes a housing, a stator, a rotor, an outer cover, and a plurality of power cables. The housing includes a first accommodating space. The stator is arranged in the first accommodating space, and includes a stator core, a plurality of windings, a circuit board and a plurality of conductive pillars. The stator core includes a hollow part, a plurality of windings are wound on the stator core, the circuit board is fixed on the top of the stator core, and the plurality of conductive elements are respectively electrically connected to the circuit board and arranged on the first surface of the circuit board. The rotor includes a shaft portion and an end cover. The shaft portion is arranged in the hollow part of the stator and rotates in response to the drive of the stator. The end cover is fixed on the top of the casing and includes a slot. The slotted pair is located on the plurality of conductive pillars, and the plurality of conductive pillars respectively partially pass through the slot. The outer cover is assembled to the end cover, and the end cover is sandwiched between the outer cover and the shell. The outer cover includes a second accommodating space and a connector. A plurality of power cables are located in the second accommodating space, and two ends of each power cable are respectively electrically connected to the plurality of conductive posts and connectors.

Some typical embodiments embodying the features and advantages of this case will be described in detail in the following description. It should be understood that this case can have various changes in different aspects, which do not depart from the scope of this case, and the descriptions and illustrations therein are essentially for illustrative purposes, rather than being constructed to limit the case.

Please refer to Figures 1 to 4. Figure 1 is a schematic structural diagram of a rotating electric machine according to an embodiment of the present invention, Figure 2 is a schematic diagram of an exploded structure of the rotating electric machine shown in Figure 1, and Figure 3 is a schematic diagram of the rotating electrical machine shown in Figure 1. The cross-sectional structure diagram of the rotating electric machine shown in Fig. 4 is an exploded structure diagram of the stator of the rotating electric machine shown in Fig. 1. In this embodiment, the rotating electric machine 100 is a motor, and includes a housing 1, a stator 2, a rotor 3 and a plurality of power cables 4. The housing 1 includes a first accommodating space 11. The stator 2 is disposed in the first accommodating space 11 of the housing 1 and includes a stator core 21, a plurality of winding wires 22, a circuit board 23 and a plurality of conductive posts 24. The stator core 21 includes a hollow portion 211, and a plurality of winding wires 22 are wound around the stator core 21. The circuit board 23 is fixed on the top of the stator core 21. The plurality of conductive pillars 24 are respectively electrically connected to the circuit board 23 and disposed on the first surface 232 of the circuit board 23. The rotor 3 includes a shaft portion 31 and an end cover 32. The shaft portion 31 is disposed in the hollow portion 211 of the stator 2 and rotates in response to the driving of the stator 2. The end cover 32 is fixed on the top of the housing 1, and the end cover 32 includes a slot 321, wherein the slot 321 is positioned on a plurality of conductive posts 24 of the stator 2, and the plurality of conductive posts 24 partially pass through the slots 321, respectively . The plurality of power cables 4 are electrically connected to the plurality of conductive posts 24 respectively.

In this embodiment, the housing 1 further includes a first opening 12 and a second opening 13, wherein the first accommodating space 11 communicates with the first opening 12 and the second opening 13, and the first opening 12 and the second opening 13 are located on opposite sides of the housing 1. In one embodiment, the end cover 32 of the rotor 3 covers the first opening 12, and the shaft portion 31 of the rotor 3 partially protrudes from the second opening 13.

In this embodiment, the stator 2 is fixed in the first accommodating space 11 of the housing 1, and the stator core 21 further includes a plurality of terminals 25 disposed on the top of the stator core 21. The plurality of winding wires 22 are respectively wound around the stator core 21, and one end of the plurality of winding wires 22 is electrically connected to the plurality of terminals 25 respectively. The circuit board 23 is fixed on the top of the stator core 21 and has a central through hole 231, a first surface 232, and a second surface 233. The central through hole 231 is aligned with the hollow portion 211 of the stator core 21. The first surface 232 is opposite to the second surface 233, a plurality of conductive posts 24 are arranged on the first surface 232 of the circuit board 23, and the second surface 233 of the circuit board 23 is adjacent to the top of the stator core 21. In one embodiment, the circuit board 23 is fixed on the top of the stator core 21 by, for example, but not limited to, welding. In one embodiment, the circuit board 23 further includes a plurality of conduction holes 234, respectively penetrating the first surface 232 and the second surface 233 of the circuit board 23, and respectively corresponding to the plurality of terminals 25 of the stator core 21. . When the circuit board 23 is fixed on the top of the stator core 21, the plurality of terminals 25 are respectively inserted and connected to the plurality of conducting holes 234, so that the circuit board 23 and the plurality of windings 22 are electrically connected connection. In one embodiment, the circuit board 23 further includes a plurality of via holes 235 formed on the first surface 232 and arranged along the periphery of the central through hole 231, wherein the plurality of via holes 235 can be routed through the circuit board 23 (not shown) (Shown) is electrically connected to a plurality of conductive vias 234. In one embodiment, the number of the plurality of vias 235 is the same as the number of the plurality of conductive pillars 24.

In this embodiment, the plurality of conductive pillars 24 include a first conductive pillar 24a, a second conductive pillar 24b, and a third conductive pillar 24c. It should be emphasized that the number of conductive posts 24 is not limited to this, and can be changed according to actual application requirements. Each conductive pillar 24 includes a first end 241 and a second end 242, and the first ends 241 of the plurality of conductive pillars 24 are respectively inserted and connected to the plurality of vias 235 of the circuit board 23, thereby making The plurality of conductive posts 24 are electrically connected to the circuit board 23, wherein the conductive posts 24 are connected to the plurality of vias 235 of the circuit board 23 by electric welding. By correspondingly inserting and connecting the plurality of conductive pillars 24 in the plurality of guide holes 235, the plurality of conductive pillars 24 can be positioned quickly and accurately, which simplifies the manufacturing process and saves assembly time. In this embodiment, the second end 242 of each conductive pillar 24 has a recess 243, wherein the recess 243 is recessed in the conductive pillar 24 from the second end 242 toward the first end 241, and there are a plurality of power cables The 4 series are respectively connected to the recesses 243 of the plurality of conductive posts 24, so that the plurality of power cables 4 can be positioned quickly and accurately, which simplifies the manufacturing process and saves assembly time. In one embodiment, the concave portion 243 of each conductive pillar 24 penetrates the first end 241 and the second end 242, that is, the plurality of conductive pillars 24 are each a hollow tubular structure, but it is not limited thereto. In one embodiment, a plurality of conductive pillars 24 are arranged along the periphery of the central perforation 231 of the circuit board 23, and the plurality of conductive pillars 24 are aligned with the slots 321 of the end cover 32 of the rotor 3, so that the plurality of conductive pillars 24 Partially pass through the slot 321, wherein the second ends 242 of the plurality of conductive posts 24 protrude outward from the slot 321 and are flush with the top surface 322 of the end cap 32, but not limited to this. The second end 242 of the conductive post 24 is flush with the top surface 322 of the end cover 32 of the rotor 3. After the stator 2 and the rotor 3 are assembled, the visibility of the conductive post 24 is good, and the power cable 4 can be directly welded to The conductive post 24 can simplify the manufacturing process, save assembly time, de-wire the stator 2 and improve the safety of the operator. It should be emphasized that the position of the second end 242 of the conductive column 24 relative to the top surface 322 of the end cover 32 of the rotor 3 is not limited to the foregoing embodiment, and can be changed according to actual application requirements, for example, the position of the conductive column 24 The second end 242 is higher or slightly lower than the top surface 322 of the end cover 32 of the rotor 3. In one embodiment, the conductive pillar 24 may be made of copper material, and the surface of the conductive pillar 24 may be electroplated with tin material, but it is not limited to this. In one embodiment, the plurality of conductive pillars 24 are respectively arranged perpendicular to the first surface 232 of the circuit board 23.

In this embodiment, the rotor 3 further includes a magnetic element 33 and a bearing 34. The magnetic element 33 is arranged around the periphery of the shaft portion 31. The bearing 34 is fixed to a through hole of the end cover 32 so that the shaft portion 31 is pivotally connected to the end cover 32 through the bearing 34 rotatably. The shaft portion 31 includes a first end portion 311 and a second end portion 312. The first end portion 311 is a free end portion, and the second end portion 312 is assembled with the end cover 32 through the bearing 34 so that the shaft portion 31 can face each other. The end cap 32 rotates. The shaft portion 31 of the rotor 3 is located in the hollow portion 211 of the stator 2, and the first end portion 311 of the shaft portion 31 protrudes from the casing 1 through the second opening 13 of the casing 1. The end cover 32 is assembled on the top of the casing 1 so that the end cover 32 is fixed on the casing 1 and covers the first opening 12 of the casing 1. In this embodiment, the assembling method of the end cover 32 and the housing 1 can be realized by screw locking, but it is not limited to this.

In this embodiment, the number of the plurality of power cables 4 is the same as the number of the plurality of conductive posts 24. In an embodiment, the plurality of power cables 4 include a first power cable 41, a second power cable 42 and a third power cable 43. It should be emphasized that the number of power cables 4 is not limited to the above-mentioned embodiment, and can be changed according to actual application requirements. Each power cable 4 includes a first end 4a and a second end 4b. Each first end 4a of the plurality of power cables 4 is respectively connected to the second end 242 of the plurality of conductive posts 24, wherein the first end 4a of the power cable 4 is connected to the second end 242 of the conductive post 24 The method of welding connection is better, but not limited to this. In one embodiment, the rotating electric machine 100 is a three-phase rotating electric machine, in which the voltage with the first phase is applied to the first power cable 41, the voltage with the second phase is applied to the second power cable 42, and has The voltage of the third phase is applied to the third power cable 43, where the first power cable 41 is a live wire, the second power cable 42 is a neutral wire, and the third power cable 43 is a ground wire, but not Is limited.

In one embodiment, the rotating electric machine 100 further includes an insulating element 5. The insulating element 5 is partially disposed in the slot 321 of the end cover 32 and includes a plurality of through holes 51. The plurality of through holes 51 are respectively arranged corresponding to the plurality of conductive pillars 24, so that the plurality of conductive pillars 24 are respectively penetrated in the plurality of through holes 51, and the second ends 242 of the plurality of conductive pillars 24 are slightly protruded On the top surface of the insulating element 5. With the arrangement of the insulating element 5, a plurality of conductive pillars 24 can be insulated from the surrounding parts, so as to improve electrical safety. In one embodiment, the number of the plurality of through holes 51 of the insulating element 5, the number of the power cables 4, and the number of the conductive posts 24 are the same, but not limited thereto. In this embodiment, the insulating element 5 is constructed on the slot 321 of the end cover 32 of the closed rotor 3. The arrangement of the insulating element 5 to seal the slot 321 can achieve dustproof, waterproof and insulating effects. In this embodiment, the insulating element 5 is made of rubber material, but it is not limited to this.

In one embodiment, the rotating electric machine 100 further includes an outer cover 6, which is assembled to the end cover 32, so that the outer cover 6 is fixed to the housing 1, that is, the end cover 32 of the rotor 3 is sandwiched between Between the outer cover 6 and the housing 1. The outer cover 6 includes a second accommodating space 61 and a connector 62. Part of the line segments of the plurality of power cables 4 are located in the second accommodating space 61, and each second end 4b of the plurality of power cables 4 is connected to the connection Therefore, the connector 62 is connected to an external power source (not shown), and the power required for the operation of the rotating electric machine 100 can be provided through the power cable 4. In addition, through the design of the outer cover 6, the end cover 32 of the rotor 3 can be completely closed to avoid interference caused by the entry of foreign objects.

In one embodiment, the rotating electric machine 100 further includes an encapsulation layer (not shown) formed on the first surface 232 of the circuit board 23 of the stator 2 to provide the circuit board 23 with waterproof and dustproof functions.

Please refer to Figure 1, Figure 2, Figure 5 to Figure 6D. Figure 5 is a flowchart of a rotating electric machine assembling method according to an embodiment of the present invention, and Figure 6A is the housing of the rotating electric machine shown in Figure 1 The assembly structure diagram of the body and the stator. Figure 6B is the assembly structure diagram of the housing, stator and rotor of the rotating electrical machine shown in Figure 1. Figure 6C is the stator and power cable of the rotating electrical machine shown in Figure 1. The schematic diagram of the assembly structure, and Figure 6D is the schematic diagram of the assembly structure of the housing, stator, rotor, power cable, and insulating components of the rotating electric machine shown in Figure 1. In this embodiment, the assembling method of the rotating electric machine 100 includes the following steps. First, in step S1, a housing 1, a stator 2, a rotor 3, and a plurality of power cables 4 are provided. The housing 1 includes a first accommodation space 11, and the stator 2 includes a stator core 21 and a plurality of winding wires 22. , The circuit board 23 and a plurality of conductive posts 24. The stator core 21 includes a hollow portion 211, a plurality of windings 22 are wound around the stator core 21, a circuit board 23 is fixed on the top of the stator core 21, and a plurality of conductive posts 24 are respectively electrically connected to the circuit board 23 and arranged On the first surface 232 of the circuit board 23. The rotor 3 includes a shaft portion 31 and an end cover 32, and the end cover 32 includes a slot 321. In one embodiment, the step S1 includes the following steps in sequence. First, the second surface 233 of the circuit board 23 is adjacent to the top of the stator core 21, and the circuit board 23 is electrically connected to a plurality of winding wires 22, and the circuit board 23 is fixed on the top of the stator core 21. After that, a plurality of conductive posts 24 are electrically connected to the circuit board 23 and disposed on the first surface 232 of the circuit board 23 respectively.

Next, in step S2, the stator 2 is set in the first accommodating space 11 of the housing 1, as shown in FIG. 6A. After that, in step S3, the shaft portion 31 of the rotor 3 is arranged in the hollow portion 211 of the stator 2, and the end cover 32 of the rotor 3 is fixed on the top of the casing 1, and the plurality of conductive posts 24 of the stator 2 Partially pass through the slot 321, wherein the second ends 242 of the plurality of conductive posts 24 protrude outward from the slot 321, as shown in FIG. 6B. Finally, in step S4, the plurality of power cables 4 are electrically connected to the plurality of conductive posts 24 respectively, as shown in FIG. 6C.

Please refer to Figure 5 to Figure 6D again. In one embodiment, the assembling method of the rotating electric machine 100 of this application further includes step S5 after step S4. In step S5, the insulating element 5 is provided, and the insulating element 5 is partially disposed in the slot 321 of the end cover 32, wherein the insulating element 5 includes a plurality of through holes 51, and the plurality of conductive posts 24 of the stator 2 correspond to each other. Pierced in a plurality of perforations 51. In one embodiment, when the insulating element 5 is to be disposed in the slot 321 of the end cover 32, firstly, the plurality of power cables 4 are respectively passed through the plurality of through holes 51 of the insulating element 5, and then the insulating element 5 Slide close to the plurality of conductive posts 24, and then correspondingly sleeve the plurality of through holes 51 of the insulating element 5 on the plurality of conductive posts 24. Finally, the insulating element 5 is tightly fitted and fixed in the slot 321, so that the insulating element 5 is set on the end cap 32, as shown in Fig. 6D. It should be emphasized that the setting method of the insulating element 5 is not limited to the foregoing embodiment, and can be changed according to actual application requirements. In another embodiment, the plurality of through holes 51 of the insulating element 5 are correspondingly sleeved on the plurality of conductive posts 24, and then the insulating element 5 is tightly fitted and fixed to the slot 321 of the end cap 32, and then, The plurality of power cables 4 are electrically connected to the plurality of conductive posts 24 respectively.

Please refer to Figures 1, 5 and 6D again. In one embodiment, the assembling method of the rotating electric machine 100 of the present application further includes step S6 after step S5. In step S6, the outer cover 6 is provided, and the outer cover 6 is assembled to the end cover 32, so that the end cover 32 of the rotor 3 is sandwiched between the outer cover 6 and the housing 1, as shown in FIG.

In summary, this case provides a rotating electric machine that facilitates the assembly of power cables, facilitates the assembly of the rotor and the stator, can save assembly time, can improve the safety of operators, de-wire the interior of the stator, and avoid power supply The cable is damaged and the reliability of the product can be improved.

This case can be modified in many ways by those who are familiar with this technology, but none of them deviates from the protection of the scope of the patent application.

100: Rotating motor 1: shell 11: The first housing space 12: The first opening 13: second opening 2: stator 21: Stator core 211: Hollow part 22: Winding 23: circuit board 231: Center perforation 232: First Surface 233: second surface 234: Lead-through hole 235: pilot hole 24: Conductive column 24a: the first conductive pillar 24b: second conductive pillar 24c: third conductive pillar 241: first end 242: second end 243: Concave 25: Terminal 3: Rotor 31: Shaft 311: first end 312: second end 32: end cap 321: Slotting 322: top surface 33: Magnetic components 34: Bearing 4: Power cable 4a: first end 4b: second end 41: The first power cable 42: second power cable 43: third power cable 5: Insulation element 51: Piercing 6: Outer cover 61: Second housing space 62: Connector S1~S6: The process steps of the assembly method of the rotating electric machine

Figure 1 is a schematic diagram of the structure of a rotating electric machine in an embodiment of the present invention. Figure 2 is a schematic diagram of the disassembled structure of the rotating electric machine shown in Figure 1. Fig. 3 is a schematic cross-sectional structure diagram of the rotating electric machine shown in Fig. 1. Figure 4 is a schematic diagram of the disassembled structure of the stator of the rotating electric machine shown in Figure 1. Figure 5 is a flow chart of the assembling method of the rotating electric machine according to an embodiment of the present invention. Figure 6A is a schematic diagram of the assembly structure of the housing and stator of the rotating electric machine shown in Figure 1. Figure 6B is a schematic diagram of the assembly structure of the housing, stator and rotor of the rotating electric machine shown in Figure 1. Figure 6C is a schematic diagram of the assembly structure of the housing, stator, rotor and power cable of the rotating electric machine shown in Figure 1. Fig. 6D is a schematic diagram of the assembly structure of the housing, stator, rotor, power cable and insulating components of the rotating electric machine shown in Fig. 1.

100: Rotating motor

1: shell

11: The first housing space

12: The first opening

2: stator

21: Stator core

211: Hollow part

22: Winding

23: circuit board

24: Conductive column

24a: the first conductive pillar

24b: second conductive pillar

24c: third conductive pillar

3: Rotor

31: Shaft

311: first end

312: second end

32: end cap

321: Slotting

322: top surface

33: Magnetic components

34: Bearing

5: Insulation element

51: Piercing

6: Outer cover

62: Connector

Claims (15)

A rotating electrical machine, including: A housing including a first accommodating space; The stator is arranged in the first accommodating space and includes a stator core, a plurality of windings, a circuit board and a plurality of conductive posts, wherein the stator core includes a hollow part, and the plurality of windings are wound In the stator core, the circuit board is fixed on a top of the stator core, and the plurality of conductive posts are respectively electrically connected to the circuit board and arranged on a first surface of the circuit board; A rotor includes a shaft portion and an end cover, wherein the shaft portion is disposed in the hollow portion of the stator and rotates in response to the drive of the stator, the end cover is fixed on a top of the casing, and the end cover includes A slot, wherein the slot is located on the plurality of conductive posts, and the plurality of conductive posts partially pass through the slot; An outer cover assembled to the end cover, and the end cover is sandwiched between the outer cover and the housing, wherein the outer cover includes a second accommodating space and a connector; and A plurality of power cables are located in the second accommodating space, and two ends of each power cable are respectively electrically connected to the plurality of conductive posts and the connector. The rotating electric machine according to claim 1, wherein the housing further includes a first opening and a second opening, wherein the first accommodating space communicates with the first opening and the second opening, and the first The opening and the second opening are located on opposite sides of the housing, wherein the end cover covers the first opening, and the shaft part protrudes from the second opening. The rotating electric machine according to claim 1, wherein the rotor further includes a magnetic element and a bearing, wherein the magnetic element is arranged around the periphery of the shaft portion, the bearing is arranged on the end cover, and the shaft portion is formed by The bearing is pivotally connected with the end cover rotatably. The rotating electric machine according to claim 1, wherein the circuit board further includes a central through hole, a second surface, and a plurality of guide holes, wherein the central through hole is disposed opposite to the hollow portion of the stator, and the second surface and the The first surface is opposite, the second surface is adjacent to the top of the stator core, and the plurality of vias are formed on the first surface of the circuit board. The rotating electric machine according to claim 4, wherein the stator core includes a plurality of terminals disposed on the top of the stator core, wherein one end of the plurality of windings is respectively connected to the plurality of terminals, wherein The circuit board further includes a plurality of conductive vias respectively penetrating the first surface and the second surface, and the plurality of conductive vias are electrically connected to the plurality of vias, wherein the plurality of terminals correspond to The ground is inserted and connected to the plurality of conduction holes of the circuit board. The rotating electric machine according to claim 5, wherein the plurality of conductive posts are connected to the plurality of conductive vias of the circuit board by electric welding. The rotating electric machine according to claim 4, wherein each of the conductive pillars includes a first end, and the first ends of the plurality of conductive pillars are respectively connected to the plurality of via holes of the circuit board. The rotating electric machine according to claim 1, wherein each of the conductive pillars includes a second end, and the second ends of the plurality of conductive pillars are flush with a top surface of the end cover. The rotating electric machine according to claim 8, wherein the second end of each of the conductive pillars has a concave portion. The rotating electric machine according to claim 1, wherein each of the plurality of conductive posts is a hollow tubular structure. The rotating electric machine according to claim 1, wherein the plurality of power cables include a first power cable, a second power cable, and a third power cable, wherein the first power cable is a live wire, The second power cable is a neutral wire, and the third power cable is a ground wire. The rotating electric machine according to claim 1, further comprising an insulating element partially disposed in the slot of the end cover and including a plurality of through holes, wherein the plurality of conductive posts are respectively penetrated through the plurality of through holes . The rotating electric machine according to claim 1, further comprising an outer cover, the outer cover is assembled to the end cover, and the end cover of the rotor is sandwiched between the outer cover and the housing, wherein the The outer cover includes a second accommodating space, and the plurality of power cables are located in the second accommodating space. The rotating electric machine according to claim 1, further comprising an encapsulation layer formed on the first surface of the circuit board. The rotating electric machine according to claim 1, wherein the plurality of conductive posts are respectively arranged perpendicular to the first surface of the circuit board.

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