TWI755104B - Electric connection device and photographing equipment - Google Patents

Abstract

An electric connection device comprises a fixed seat and a rotating seat. The fixed seat includes a first insulated housing which has a first arc-shaped wall, and a plurality of conductive elements which are mounted in the first arc-shaped wall, arranged in a row and spaced apart from each other. Each of the conductive elements has a resilient arm portion provided on the inner surface of the first arc-shaped wall and extending along the inner surface in the arc direction. The rotating seat includes a second insulated housing which has a second arc-shaped wall corresponding to the first arc-shaped wall, and a terminal module which is provided in the second insulated housing and has a PCB and a plurality of terminals mounted on the PCB and electrically connected with the PCB. The positions of the terminals are respectively corresponding to the positions of the resilient arm portions. Each of the terminals has a resilient contact portion stretchably extending through the second arc-shaped wall so as to contact the corresponding resilient arm portion and slide relatively. The PCB is suitable for electrically connecting the lens module to form a photographing equipment.

Description

Electrical connection device and photographic equipment

The present invention relates to an electrical connection device, in particular to an electrical connection device and photographic equipment used to connect electronic components that need to be rotated.

Generally, the electronic components that need to be rotated, such as the rotating lens module, are electrically connected to the host circuit board, and most of them are connected by flexible cables and electrical connectors. However, when the electronic components are rotated at different angles, the tension and stress on the flexible cable are also different. However, when the number of rotations of the electronic components is too large, the lines of the flexible cables are likely to be broken, thereby causing an open circuit in the conductive path, so that the electronic components fail and cannot operate. Therefore, the reliability of the flexible flat cable connection is poor, resulting in increased maintenance costs.

In addition, through the connection method of the flexible flat cable, since the flexible flat cable needs an accommodating space and cannot interfere with other components, the difficulty of cable management must also be overcome during assembly.

Therefore, one of the objectives of the present invention is to provide an electrical connection device that can solve the aforementioned problems.

Therefore, in some embodiments, the electrical connection device of the present invention includes a fixed seat and a rotating seat. The fixing seat includes a first insulating shell and a plurality of conductive elastic pieces. The first insulating shell has a first arc wall, the first arc wall extends in a circular arc shape along a circumferential direction, the first arc wall also has an inner side surface that is a concave arc surface and an inner side surface opposite to the inner side surface. outer side. The conductive elastic pieces are arranged side by side on the first arc wall at intervals from each other, and each conductive elastic piece has an elastic arm portion located on the inner side surface and extending in an arc shape along the circumferential direction in cooperation with the first arc wall. The rotating base includes a second insulating shell and a conductive terminal group. The second insulating shell has a second arc wall matched with the first arc wall, the second arc wall has an outer arc surface that can slide relative to the inner side surface along the circumferential direction, and a plurality of positions corresponding to Corresponding through holes of the conductive elastic sheets. The conductive terminal group is located in the second insulating shell, and has a circuit board and a plurality of conductive terminals disposed on the circuit board and electrically connected to the circuit board. The positions of the conductive terminals correspond to the iso-holes respectively. The terminal has an elastic contact portion which is penetrated through the corresponding through hole and protrudes from the outer arc surface elastically and telescopically. The elastic contact portion is used for contacting with the corresponding elastic arm portion and can slide relative to the elastic arm portion.

In some embodiments, each conductive elastic piece further has a fixing portion located on the outer side surface and fixed to the first insulating shell, and a connecting portion connecting the fixing portion and the elastic arm portion, the first arc wall There are also a plurality of installation through grooves corresponding to the equal conductive elastic pieces respectively.

In some embodiments, each conductive terminal is a spring-loaded probe.

In some embodiments, the first insulating shell further has two first side walls opposite to each other and connected to both sides of the first arc wall, respectively, and the second insulating shell also has two oppositely connected to the first arc wall, respectively. The second side walls on both sides of the second arc wall, and the second side walls are respectively corresponding to the first side walls and located on the opposite inner side of the first side walls.

In some embodiments, the first arc wall has a pair of first side edges respectively located at both ends, and the first insulating shell further has two wings extending from the first side edges in opposite directions to each other. Department.

In some embodiments, the arc length of the second arc wall is greater than the arc length of the first arc wall, and the arc length of the second arc wall is greater than the semicircle length.

In some embodiments, the second insulating shell further has a pair of abutting portions formed on the inner side of the second arc wall for the circuit board to abut against.

In some embodiments, the through holes are located in the middle of the second arc wall.

In some embodiments, the conductive terminal group further has an insulating base for holding the conductive terminals.

Another object of the present invention is to provide a photographing device with the aforementioned electrical connection device.

Therefore, in some embodiments, the photographic apparatus of the present invention includes an electrical connection device and a lens module as described above. The lens module is arranged on the circuit board, and the conductive terminal group and the conductive terminal group are respectively located on opposite sides of the circuit board and electrically connected with the conductive terminal group.

The present invention has the following effects: since the conductive terminal of the rotating base can slide relative to the conductive elastic sheet of the fixed base and can maintain stable contact, stable electrical connection can be maintained. Compared with the existing electrical connection method using flexible cables, it can not only increase product reliability to reduce maintenance costs, but also avoid the trouble of cable management.

Referring to FIGS. 1 and 2 , an embodiment of the electrical connection device 10 of the present invention is suitable for electrically connecting electronic components that need to be rotated. The electronic component in this embodiment is a lens module 20 as an example, and is used to form a camera. The device 100 is illustrated as an example. The electrical connection device 10 includes a fixed base 1 and a rotating base 2 .

Referring to FIGS. 1 to 4 , the fixing base 1 includes a first insulating shell 3 and a plurality of conductive elastic pieces 4 . The first insulating shell 3 has a first arc wall 31 , two first side walls 32 and two wings 33 . The first arc wall 31 has a pair of first side edges 311 located on opposite sides and extends from one of the first side edges 311 to the other one of the first side edges 311 in a circular arc shape along a circumferential direction C. The first arc wall 31 also has an inner side surface 312 with a concave arc surface and an outer side surface 313 opposite to the inner side surface 312 . The first side walls 32 are respectively connected to two sides of the first arc wall 31 opposite to each other. The wings 33 respectively extend from the first side edges 311 in opposite directions, and are used for fixing to a device casing 7 of the photographing device 100 .

The conductive elastic pieces 4 are arranged on the first arc wall 31 side by side at a distance from each other. Each conductive elastic piece 4 has an elastic arm portion 41 located on the inner side surface 312 and extending in a circular arc shape along the circumferential direction C in cooperation with the first arc wall 31 . In this embodiment, each conductive elastic piece 4 further has a fixing portion 42 located on the outer side surface 313 and fixed to the first insulating shell 3 , and a connecting portion 43 connecting the fixing portion 42 and the elastic arm portion 41 . . The fixing portion 42 is used for connecting a wire (not shown) for electrical connection with a control circuit (not shown). The first arc wall 31 also has a plurality of installation through grooves 314 corresponding to the conductive elastic pieces 4 respectively, so that when the conductive elastic pieces 4 are assembled to the first arc wall 31 The arm portion 41 and the connecting portion 43 pass through the corresponding installation through grooves 314 from the outer side surface 313 , so that the elastic arm portions 41 are located on the inner side surface 312 .

Referring to FIG. 1 , FIG. 2 and FIG. 5 , the rotating base 2 includes a second insulating shell 5 and a conductive terminal group 6 . The second insulating shell 5 has a second arc wall 51 matched with the first arc wall 31 , and two second side walls 52 opposite to each other and connected to both sides of the second arc wall 51 , and the The second sidewalls 52 correspond to the first sidewalls 32 and are located on the opposite inner sides of the first sidewalls 32 (see FIG. 3 ), so that a part of the second insulating shell 5 matches the shape and size of the first insulating shell 3 The ground is accommodated in the first insulating shell 3 and can slide along the circumferential direction C relative to the first insulating shell 3 . In this embodiment, the arc length of the second arc wall 51 is greater than the arc length of the first arc wall 31 , and the arc length of the second arc wall 51 is greater than the semicircle, and the second insulating shell 5 rotates Within the range, the second arc wall 51 can overlap the entire area of the first arc wall 31 . The second arc wall 51 has an outer arc surface 511 that can slide relative to the inner side surface 312 along the circumferential direction C, and a plurality of through holes 512 corresponding to the conductive elastic pieces 4 respectively. In this embodiment, the through holes 512 are located in the middle of the second arc wall 51 . In addition, in this embodiment, the second insulating shell 5 also has two shaft portions 53 extending and protruding from the second side walls 52 in opposite directions to each other, and the shaft portions 53 are located corresponding to the second arc walls. 51 at the center of the circle to jointly form the shaft of the second insulating shell 5, which is used to pivotally connect with the equipment housing 7, so that the second insulating shell 5 and the equipment housing 7 can be pivoted and can be formed by the shafts 53. turn.

The conductive terminal group 6 is located in the second insulating shell 5, and has a circuit board 61 and a plurality of conductive terminals 62 disposed on the circuit board 61 and electrically connected to the circuit board 61. The conductive terminals 62 are located in the opposite Perforation 512 should be waited. Each conductive terminal 62 has an elastic contact portion 621 penetrating through the corresponding through hole 512 and protruding from the outer arc surface 511 elastically and retractably. The elastic contact portion 621 is used for contacting and opposing the corresponding elastic arm portion 41 . slide on the elastic arm portion 41 . In this embodiment, each conductive terminal 62 is a pogo pin. In this embodiment, the conductive terminal group 6 also has an insulating base 63 for holding the conductive terminals 62 . The second insulating shell 5 also has a pair of abutting portions 54 formed on the inner side of the second arc wall 51 for the circuit board 61 to abut against.

The lens module 20 is disposed on the circuit board 61 , and is located on opposite sides of the circuit board 61 from the conductive terminal group 6 respectively and is electrically connected to the conductive terminal group 6 . In this embodiment, the photographing device 100 further includes a lens housing 8 for surrounding and fixing the lens module 20 , and the lens housing 8 and the second insulating shell 5 are assembled together.

Referring to FIGS. 6 to 8 , to adjust the shooting angle of the lens module 20 , the lens module 20 can be rotated together with the rotating base 2 . When the rotating base 2 rotates, the elastic contact portions 621 of the conductive terminals 62 can expand and contract along the elastic arm portions 41 of the corresponding conductive elastic sheets 4. As shown in FIG. 8, when the elastic contact portions 621 are squeezed, the elastic contact portions 621 can be Retract inwards, and when the lens module 20 is rotated to a desired position and positioned, as shown in FIG. 6 and FIG. 7 , the elastic contact portion 621 is pressed against the elastic arm portion 41 by elastic force to maintain stable contact , that is, the stability of the electrical connection can be maintained. Moreover, when the rotating base 2 is located at different angles, the contact stress of the elastic contact portion 621 and the corresponding elastic arm portion 41 are the same, that is, the elastic contact portion 621 has different contact points on the elastic arm portion 41 The generated contact stress is the same, which can ensure that the elastic contact portion 621 maintains good contact with the corresponding elastic arm portion 41 under the frequent rotation of the lens module 20 .

Since the conductive terminals 62 of the rotating base 2 can slide relative to the conductive elastic pieces 4 of the fixing base 1 and can maintain stable contact, stable electrical connection can be maintained. Compared with the existing electrical connection method using flexible cables, it can not only increase product reliability to reduce maintenance costs, but also avoid the trouble of cable management.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the contents of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

100: Photography Equipment 10: Electrical connection device 20: Lens module 1: Fixed seat 2: Turning seat 3: The first insulating shell 31: The first arc wall 311: First side 312: inner side 313: Outer side 314: Install the slot 32: First side wall 33: Wings 4: Conductive shrapnel 41: Elastic arm 42: Fixed part 43: Connection part 5: The second insulating shell 51: Second arc wall 511: Outer arc 512: Perforation 52: Second side wall 53: Shaft 54: Abutment 6: Conductive terminal group 61: circuit board 62: Conductive terminal 621: Elastic contact part 63: Insulation base 7: Equipment shell 8: Lens housing C: Circumferential direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a schematic cross-sectional view of an embodiment of an electrical connection device and a photographing device of the present invention; Fig. 2 is a perspective exploded view of this embodiment; Fig. 3 is the perspective exploded view of one of the fixing bases of this embodiment; Fig. 4 is a perspective view of the holder; Figure 5 is a perspective partial cross-sectional view of one of the rotating seats of the embodiment; FIG. 6 is a schematic cross-sectional view of the rotating base rotating at an angle relative to the fixed base; Figure 7 is a schematic cross-sectional view of the rotating base rotated at another angle relative to the fixed base; and 8 is a schematic cross-sectional view illustrating the retraction of the elastic contact portion of the conductive terminal of the rotating base during the movement process.

100: Photography Equipment

10: Electrical connection device

20: Lens module

1: Fixed seat

2: Turning seat

3: The first insulating shell

31: The first arc wall

33: Wings

4: Conductive shrapnel

41: Elastic arm

42: Fixed part

5: The second insulating shell

51: Second arc wall

54: Abutment

6: Conductive terminal group

61: circuit board

62: Conductive terminal

621: Elastic contact part

63: Insulation base

7: Equipment shell

8: Lens housing

C: Circumferential direction

Claims (10)

An electrical connection device, comprising: A fixing seat includes a first insulating shell and a plurality of conductive elastic pieces, the first insulating shell has a first arc wall, the first arc wall extends in a circular arc shape along a circumferential direction, and the first arc wall also has a An inner side surface with a concave arc surface and an outer side surface opposite to the inner side surface, the conductive elastic pieces are arranged side by side on the first arc wall at intervals from each other, and each conductive elastic piece has a The arc wall cooperates with the elastic arm portion extending in an arc shape along the circumferential direction; and A rotating seat includes a second insulating shell and a conductive terminal group, the second insulating shell has a second arc wall matched with the first arc wall, the second arc wall has a The outer arc surface sliding along the circumferential direction, and a plurality of through holes corresponding to the conductive elastic pieces respectively, the conductive terminal group is located in the second insulating shell, and has a circuit board and a plurality of holes disposed on the circuit board The conductive terminals are electrically connected to the circuit board. The positions of the conductive terminals correspond to the corresponding through holes respectively. Each conductive terminal has an elastic contact portion that penetrates through the corresponding through holes and protrudes elastically from the outer arc surface. The elastic contact portion is used for contacting with the corresponding elastic arm portion and can slide relative to the elastic arm portion. The electrical connection device of claim 1, wherein each conductive elastic piece further has a fixing portion located on the outer side surface and fixed to the first insulating shell, and a connecting portion connecting the fixing portion and the elastic arm portion, The first arc wall has a plurality of installation through grooves respectively corresponding to the equal conductive elastic pieces. The electrical connection device of claim 1, wherein each conductive terminal is a spring-type probe. The electrical connection device according to claim 1, wherein the first insulating shell further has two first side walls opposite to each other and connected to both sides of the first arc wall, respectively, and the second insulating shell further has two opposite sides. are respectively connected to the second side walls on both sides of the second arc wall, and the second side walls are respectively corresponding to the first side walls and located on the opposite inner side of the first side walls. The electrical connection device according to claim 4, wherein the first arc wall has a pair of first side edges located at both ends respectively, and the first insulating shell further has two side edges facing each other from the first side edges. Wings extending in opposite directions. The electrical connection device of claim 1, wherein the arc length of the second arc wall is greater than the arc length of the first arc wall, and the arc length of the second arc wall is greater than the semicircle length. The electrical connection device of claim 1, wherein the second insulating shell further has a pair of abutting portions formed on the inner side of the second arc wall for the circuit board to abut against. The electrical connection device of claim 1, wherein the through holes are located at a middle position of the second arc wall. The electrical connection device according to claim 1, wherein the conductive terminal group further has an insulating base for holding the conductive terminals. A photographic device comprising: an electrical connection device as claimed in any one of claims 1 to 9; and A lens module is arranged on the circuit board, and the conductive terminal group and the conductive terminal group are respectively located on opposite sides of the circuit board and electrically connected with the conductive terminal group.

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