CN213070939U - Switch module, charging device and charging system - Google Patents

Abstract

The application provides a switch module, a charging device and a charging system. The switch assembly includes a carrier; the shielding piece is arranged on the bearing piece and is surrounded to form an accommodating space; the switch piece is arranged in the accommodating space; and the cover plate covers one side of the shielding piece, which deviates from the bearing piece, and is provided with a contact which is abutted to the switch piece. The application provides a switch module yields is higher.

Description

Switch module, charging device and charging system

Technical Field

The application relates to the technical field of electronic equipment, in particular to a switch assembly, a charging device and a charging system.

Background

Electronic components such as switch often set up in electronic equipment's inside, can make the switch on or break off through operating outside button, however, electronic equipment is in the assembling process, with the switch location in electronic equipment, when operating in switch week side, the instrument that operating personnel or operating personnel used inevitable can touch the switch or directly cause the switch damage, influences the sensitivity of switch, consequently, how protect the switch, prevent that the appearance of bad electronic product from becoming the technical problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The application provides higher switch module of yields, charging device and charging system.

In one aspect, the present application provides a switch assembly comprising:

a carrier;

the shielding piece is arranged on the bearing piece and is surrounded to form an accommodating space;

the switch piece is arranged in the accommodating space; and

the cover plate covers one side, deviating from the bearing piece, of the shielding piece, a contact is arranged on the cover plate and abuts against the switch piece.

In a possible implementation manner, the shielding element includes a first side plate, a second side plate, a third side plate and a fourth side plate, and the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected end to end and enclose the accommodating space.

In a possible embodiment, an opening portion forming the accommodating space is defined by an end portion of the first side plate facing away from the carrier, an end portion of the second side plate facing away from the carrier, an end portion of the third side plate facing away from the carrier, and an end portion of the fourth side plate facing away from the carrier, and the switch is located between the opening portion of the accommodating space and the carrier.

In a possible embodiment, the switch assembly further includes a first connector, the cover plate and the shielding member are detachably connected through the first connector, and the cover plate seals the opening of the accommodating space.

In a possible embodiment, the bearing component includes an outer surface, an inner surface, and a first through hole penetrating through the inner surface and the outer surface, the inner surface and the outer surface are disposed opposite to each other, the shielding component is disposed on the outer surface, the inner surface surrounds and forms an inner cavity, the first through hole communicates the accommodating space and the inner cavity, a part of the switch component is located in the first through hole, and another part of the switch component is located in the accommodating space.

In a possible implementation manner, the switch assembly further includes a surrounding piece disposed on the outer surface, the surrounding piece includes a first surrounding portion, a second surrounding portion and a third surrounding portion which are connected in sequence, the second surrounding portion and the shielding piece are arranged oppositely, one end of the first surrounding portion, which is far away from the second surrounding portion, is connected with one end of the shielding piece, one end of the third surrounding portion, which is far away from the second surrounding portion, is connected with the other end of the shielding piece, a first receiving groove is formed between the first surrounding portion, the second surrounding portion and the third surrounding portion, and a second through hole communicated with the first receiving groove and the inner cavity is further formed in the bearing piece.

In a possible implementation manner, the first enclosing part is at least partially located on a side of the shielding piece departing from the accommodating space in a direction from the third enclosing part to the first enclosing part, and a second accommodating groove is formed between a side of the first enclosing part away from the second enclosing part and a side of the shielding piece departing from the accommodating space; the switch piece comprises an elastic piece, and a first contact is arranged on the elastic piece; the switch component further comprises a positioning piece, the positioning piece is arranged on the bearing piece and located in the second containing groove, the cover plate is provided with a positioning hole, and the positioning piece is matched with the positioning hole to enable the contact to correspond to the first contact.

In a possible implementation manner, the outer peripheral surface of the positioning element includes at least one limiting surface, the limiting surface is attached to the hole wall of the positioning hole, and the limiting surface can prevent the cover plate from rotating in the process that the cover plate covers the shielding element along the positioning element.

On the other hand, this application still provides a charging device, charging device include switch module, first electric connector and second connecting piece, first electric connector locate the inner chamber, the second connecting piece can be through first accepting groove with the second through-hole is located on the first electric connector.

In another aspect, the present application further provides a charging system, which includes the charging device and a second electrical connector, wherein the second electrical connector is electrically connected to the first electrical connector, and the second electrical connector is installed between the second electrical connector and the first electrical connector through the first receiving slot and the second through hole.

Through set up the shielding piece on bearing the piece, accept the switch spare in the accommodating space that the shielding piece enclosed and establish formation to when operating personnel carries out the operation on bearing the piece, can avoid causing the damage to the switch spare, and then improve the yields of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below.

Fig. 1 is a schematic diagram of a charging system provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a charging device according to an embodiment of the present disclosure;

fig. 3 is an exploded schematic view of a charging device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a carrier in a charging device according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a portion of a switch assembly according to an embodiment of the present disclosure;

FIG. 6 is an enlarged, fragmentary schematic view of an embodiment of the switch assembly of FIG. 5;

FIG. 7 is a schematic structural diagram of a cover plate and a switch member in a switch assembly according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of an external structure of a switch assembly provided in an embodiment of the present application;

FIG. 9 is an enlarged, fragmentary schematic view of another embodiment of the switch assembly shown in FIG. 5;

fig. 10 is a schematic structural diagram of a cover plate according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1, fig. 1 is a schematic diagram of a charging system 100 according to an embodiment of the present disclosure. The charging system 100 includes a charging device 1 and a second electrical connector 2. As shown in fig. 2, fig. 2 is a schematic structural diagram of a charging device 1 according to an embodiment of the present disclosure. The charging device 1 includes a switch assembly 10, a first electrical connector 20 and a second electrical connector 30. The charging device 1 may be any one of an intelligent circulation type charger, an intelligent floating charge type charger, an adjustable voltage type charger, a dc boost converter, a buck-boost converter, and the like. Referring to fig. 3, fig. 3 is a schematic structural diagram of a switch assembly 10 according to an embodiment of the present disclosure. The switch assembly 10 includes a carrier 101, a shutter 102, a switch 103, and a cover plate 104.

Referring to fig. 1 and 2, the first electrical connector 20 is disposed inside the charging device 1. The second electrical connector 2 partially protrudes through the housing of the charging device 1 into the interior 13 of the charging device 1 and is electrically connected to the first electrical connector 20 via the second connector 30. In one embodiment, the first electrical connection 20 acts as an electrical connection for the buck-boost converter for transmitting electrical signals, and the second electrical connection 2 acts as a battery for providing electrical power. Of course, in other embodiments, the first electrical connector 20 may also serve as an input of the charging system 100 for providing power. The second electrical connector 2 serves as an output of the charging system 100 for receiving electrical energy. Of course, the second electrical connector 2 can release electric energy in the charging process, or can discharge again after the charging is recovered, so as to form a charging and discharging cycle.

The second connector 30 fixedly connects the first electrical connector 20 with the second electrical connector 2, and mates the electrical connection port of the first electrical connector 20 with the electrical connection port of the second electrical connector 2. The electrical connection port of the first electrical connector 20 and the electrical connection port of the second electrical connector 2 are matched, such that the electrical connection port of the second electrical connector 2 is plugged into the electrical connection port of the first electrical connector 20, or the electrical connection port of the second electrical connector 2 abuts against the electrical connection port of the first electrical connector 20. Of course, in other embodiments, the electrical connection port of the first electrical connector 20 and the electrical connection port of the second electrical connector 2 may also be a snap fit, a magnetic attraction fit, or the like.

In one embodiment, the electrical connection port of the second electrical connector 2 is plugged onto the electrical connection port of the first electrical connector 20, the second electrical connector 30 is a screw, one end of the second electrical connector 30 abuts against the second electrical connector 2, the other end of the second electrical connector 30 extends into the threaded hole of the first electrical connector 20, and when the second electrical connector 30 is locked with the threaded hole of the first electrical connector 20, the second electrical connector 2 is fixed relative to the first electrical connector 20. In the present embodiment, the first electrical connector 20 and the second electrical connector 2 are detachably connected, which is beneficial for the first electrical connector 20 and the second electrical connector 2 to be used independently. Further, the locking of the second electrical connector 2 with the first electrical connector 20 by the second connector 30 can improve the reliability of the connection of the second electrical connector 2 with the first electrical connector 20.

Referring to fig. 3 and 4, the housing of the charging device 1 includes a first housing 11 and a second housing 12 detachably connected. The first housing 11 and the second housing 12 are detachably connected to facilitate the replacement of the electronic devices inside the charging device 1, for example: replacement of the first electrical connector 20 (see fig. 2) and the switch member 103. In one embodiment, the first housing 11 and the second housing 12 form an inner cavity 13 of the charging device 1, and the inner cavity 13 is provided with electronic components for realizing charging. Specifically, the first housing 11 includes a bottom plate 111 and a peripheral side plate 112, and the bottom plate 111 and the peripheral side plate 112 may be integrally formed or may be detachably or non-detachably connected to each other. The bottom plate 111 may be a rectangular flat plate, and the peripheral side plate 112 is disposed around the periphery of the bottom plate 111. Of course, in other embodiments, the base plate 111 may be a curved plate, a concave plate, a convex plate, or the like. The second housing 12 is connected to a side of the peripheral side plate 112 away from the bottom plate 111, and the second housing 12 seals the side of the peripheral side plate 112 away from the bottom plate 111, so that an inner cavity 13 of the charging device 1 is formed among the bottom plate 111, the peripheral side plate 112 and the second housing 12. When both the bottom plate 111 and the second housing 12 have the convex shape, the space of the inner cavity 13 of the charging device 1 can be increased.

Referring to fig. 4 and 5, the carrier 101 is the first housing 11 of the housing of the charging device 1, and the carrier 101 includes the bottom plate 111 and the peripheral side plate 112. Specifically, the carrier 101 includes an inner surface 113 and an outer surface 114, which are oppositely disposed, the inner surface 113 forms part of the inner cavity 13 of the charging device 1, and the outer surface 114 forms an external protection surface of the charging device 1, so as to prevent dust, water stain and the like from invading into the inner cavity 13 of the charging device 1 and damaging the electronic devices in the inner cavity 13.

Referring to fig. 5 and fig. 6, the shielding member 102 is disposed on the supporting member 101, and an accommodating space 120 is defined on the supporting member 101. Specifically, the shield 102 is disposed on the outer surface 114 of the carrier 101. The shield 102 is fixed relative to the carrier 101. The shielding member 102 and the supporting member 101 may be integrally formed or may be detachably or non-detachably connected to each other. In an embodiment, the shielding member 102 and the supporting member 101 are integrally formed, so that the waterproof performance of the charging device 1 can be improved. The shield 102 comprises an inner wall 121 and an outer wall 122 which are oppositely arranged, and the inner wall 121 of the shield 102 and the outer surface 114 of the carrier 101 enclose a containing space 120. The outer wall 122 is connected to the outer surface 114 of the carrier 101 to form an outer protective surface of the charging device 1. It can be understood that the bottom of the accommodating space 120 is the outer surface 114 of the carrier 101, the opening of the accommodating space 120 is formed by the side of the shielding member 102 away from the carrier 101, and the bottom and the opening are surrounded by the inner wall 121 of the shielding member 102. The opening is an opening formed in the shutter 102 by the receiving space 120.

The switch member 103 is disposed in the receiving space 120. The switch member 103 may be wholly or partially located in the receiving space 120. When the switch member 103 is partially accommodated in the accommodating space 120, the switch member 103 does not protrude from a side of the shutter 102 facing away from the carrier 101. Specifically, when the switch member 103 is partially located in the housing space 120, the switch member 103 penetrates the carrier 101, extending toward the inner cavity 13 side of the charging device 1. In other words, the side of the shutter 103 facing away from the carrier 101 is flush with the side of the shutter 102 facing away from the carrier 101 or the side of the shutter 103 facing away from the carrier 101 is recessed with respect to the side of the shutter 102 facing away from the carrier 101. In one embodiment, the switch member 103 is received in the receiving space 120 and is fixedly connected to the supporting member 101 or the shielding member 102. The connection between the switch element 103 and the carrier 101 or the shielding element 102 may be a snap connection, a bolt connection, a magnetic connection, or the like. Of course, in other embodiments, the switch element 103 may also be placed in the receiving space 120, and the bearing element 101 and the shielding element 102 have a limiting effect on the switch element 103. Wherein, the switch member 103 can be a micro switch, a wave switch, a membrane switch, a point switch, etc. In the following embodiments, the switch element 103 is taken as a micro switch as an example, referring to fig. 7, the switch element 103 includes a switch body 131 and an elastic sheet 132 disposed on the switch body 131, one end of the elastic sheet 132 is connected to the switch body 131, a gap is formed between the other end of the elastic sheet 132 and the switch body 131, a first contact (not shown) is disposed on one side of the elastic sheet 132 facing the switch body 131, and a second contact 131a is disposed on one side of the switch body 131 facing the elastic sheet 132.

Referring to fig. 6 to 8, the cover plate 104 covers a side of the shielding member 102 away from the supporting member 101. In other words, the cover plate 104, the shutter 102, and the carrier 101 are disposed in this order. The cover plate 104 serves to seal the opening portion of the receiving space 120, so that the switch member 103 can be sealed in the receiving space 120. The cover plate 104 is provided with a contact 141, and the contact 141 abuts on the switch member 103. It is understood that the contact 141 extends into the receiving space 120. In one embodiment, when the cover plate 104 is pressed, the contact 141 pushes the spring 132 of the switch element 103, so that the first contact point on the spring 132 contacts with the second contact point 131a on the switch body 131, and the switch element 103 is turned on. When the pressing force acting on the cover plate 104 is removed, the resilient piece 132 is gradually restored, the first contact is separated from the second contact 131a, and the switching member 103 is opened.

By arranging the shielding piece 102 on the bearing piece 101 and accommodating the switch piece 103 in the accommodating space 120 formed by the shielding piece 102, when an operator operates on the bearing piece 101, the switch piece 103 can be prevented from being damaged, and the yield of products is improved.

In an embodiment, referring to fig. 9, the shielding member 102 includes a first side plate 123, a second side plate 124, a third side plate 125 and a fourth side plate 126. The first side plate 123, the second side plate 124, the third side plate 125 and the fourth side plate 126 are sequentially connected end to form the accommodating space 120. The first side plate 123, the second side plate 124, the third side plate 125, and the fourth side plate 126 may be flat plates or arc plates. The first side plate 123, the second side plate 124, the third side plate 125 and the fourth side plate 126 may be integrally formed, or may be integrally connected by welding. In one embodiment, the first side plate 123, the second side plate 124, the third side plate 125 and the fourth side plate 126 form a substantially rectangular receiving space 120 therebetween. The first side plate 123, the second side plate 124, the third side plate 125 and the fourth side plate 126 are sequentially connected end to form the accommodating space 120, so that the switch member 103 can be sealed in the accommodating space 120, and the sealing performance of the bearing member 101 is improved. Of course, in other embodiments, the first side plate 123, the second side plate 124, the third side plate 125 and the fourth side plate 126 may also be a grid plate, etc.

In one embodiment, an opening portion of the accommodating space 120 is defined by an end portion of the first side plate 123 facing away from the outer surface 114 of the carrier 101, an end portion of the second side plate 124 facing away from the outer surface 114 of the carrier 101, an end portion of the third side plate 125 facing away from the outer surface 114 of the carrier 101, and an end portion of the fourth side plate 126 facing away from the outer surface 114 of the carrier 101, and the switch 103 is located between the opening portion of the accommodating space 120 and the outer surface 114 of the carrier 101. In other words, the height between the side of the shielding member 102 away from the carrier 101 and the outer surface 114 of the carrier 101 is greater than or equal to the height of the switch member 103, so that the switch member 103 can be completely accommodated in the accommodating space 120.

In another embodiment, referring to fig. 9, the carrier 101 is provided with a first through hole 115. The first through hole 115 communicates the accommodating space 120 with the inner cavity 13 of the carrier 101 (see fig. 3). The switch member 103 is partially located in the receiving space 120, and another portion of the switch member 103 is located in the first through hole 115. Of course, in other embodiments, the switch member 103 may also extend into the interior cavity 13 of the carrier member 101. By providing the first through hole 115, another portion of the switch member 103 is located in the first through hole 115, which is beneficial to electrically connecting the switch member 103 to the circuit in the inner cavity 13 of the carrier 101, so that the switch member 103 and the electronic device disposed in the inner cavity 13 of the carrier 101 share the power supply, and the power supply does not need to be disposed in the accommodating space 120 to realize the circuit connection of the switch member 103.

Further, referring to fig. 9 and 10, the switch assembly 10 further includes a first connecting member 107, and the first connecting member 107 is used for connecting the cover plate 104 and the shielding member 102. The number of the first connecting members 107 is not limited in the present application, and the number of the first connecting members 107 may be one or more. Specifically, the cover plate 104 is a substantially flat plate, the first connecting member 107 is a screw, one end of the first connecting member 107 abuts against the cover plate 104, and the other end of the first connecting member 107 penetrates through the cover plate 104 to be matched with a threaded hole on the shielding member 102, so that the cover plate 104 is fixed on the shielding member 102. The cover plate 104 and the shielding member 102 are detachably connected through the first connecting member 107, so that the cover plate 104 can be conveniently detached from the shielding member 102 to repair and replace the contact 141, and the cost is reduced.

Further, referring to fig. 9 and 10, the switch assembly 10 further includes a positioning member 105. The positioning member 105 is disposed on an outer surface 114 of the carrier 101. In one embodiment, the positioning member 105 is disposed adjacent to the covering member 102. The cover plate 104 is provided with a positioning hole 142, and the positioning element 105 is matched with the positioning hole 142, so that when the cover plate 104 is installed, the contact 141 on the cover plate 104 can be installed corresponding to the first contact on the elastic sheet 132, and the contact 141 is prevented from deviating relative to the first contact after the installation is completed, thereby reducing rework. The positioning member 105 includes a positioning post. The positioning member 105 may be a square column, a circular column, an oval column, a rectangular column, or the like.

In an embodiment, referring to fig. 9 and 10, the outer peripheral surface of the positioning element 105 includes at least one limiting surface 151, the limiting surface 151 fits the hole wall of the positioning hole 142, and the limiting surface 151 can prevent the cover plate 104 from rotating when the cover plate 104 covers the shielding element 102 along the positioning element 105. The limiting surface 151 may be a plane or an elliptical surface. The limiting surface 151 is arranged to prevent the cover plate 104 from rotating during the installation process, so that the contact 141 on the cover plate 104 can be aligned with the first contact on the elastic sheet 132 during the installation process of the cover plate 104.

Further, referring to fig. 1 and fig. 9, the charging device 1 further includes a surrounding member 106 disposed on an outer surface 114 of the supporting member 101. The enclosing piece 106 comprises a first enclosing part 161, a second enclosing part 162 and a third enclosing part 163 which are connected in sequence, the second enclosing part 162 is arranged opposite to the shielding piece 102, one end of the first enclosing part 161, which is far away from the second enclosing part 162, is connected with one end of the shielding piece 102, and one end of the third enclosing part 163, which is far away from the second enclosing part 162, is connected with the other end of the shielding piece 102. The first receiving groove 160 is formed among the first, second and third enclosing parts 161, 162 and 163. The carrier 101 further has a second through hole 116 communicating the first receiving groove 160 and the inner cavity 13. The second connector 30 (refer to fig. 2) is mounted between the first electrical connector 20 and the second electrical connector 2 through the first receiving groove 160 and the second through hole 116, so that the first electrical connector 20 and the second electrical connector 2 are fixed. The first electrical connector 20 and the second electrical connector 2 are fixedly connected by the second connector 30 to avoid misalignment between the first electrical connector 20 and the second electrical connector 2. The first receiving groove 160 is disposed such that a tool for installing the second connector 30 can pass through the first receiving groove 160 and the second through hole 116 to move in the inner cavity 13. The surrounding member 106 is arranged to limit the installation tool during the installation of the second connecting member 30, so as to prevent the installation tool from damaging the outer surface of the carrier 101.

In one embodiment, the charging device 1 includes two opposite enclosing members 106, two first receiving slots 160, and two second through holes 116. One second through hole 116 communicates one first receiving groove with the inner cavity 13, and the other second through hole 116 communicates the other first receiving groove 160 with the inner cavity 13. In the present embodiment, the plurality of second connectors 30 may be mounted through the first receiving grooves 160 and the second through holes 116, respectively, so that the plurality of second connectors 30 can improve the connection reliability between the first electrical connector 20 and the second electrical connector 2.

Further, the first enclosing part 161 is at least partially located on a side of the shielding member 102 departing from the receiving space 120 in a direction pointing to the first enclosing part 161 along the third enclosing part 163, and a second receiving groove 164 is formed between a side of the first enclosing part 161 away from the second enclosing part 162 and a side of the shielding member 102 departing from the receiving space 120. The positioning member 105 is disposed in the second receiving groove 164, and the positioning member 105 can be protected by disposing the positioning member 105 in the second receiving groove 164, and in addition, the positioning member 105 is disposed in the second receiving groove 164, so that the size of the charging device 1 can be reduced.

The foregoing is a partial description of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.

Claims (10)

1. A switch assembly, comprising:

a carrier;

the shielding piece is arranged on the bearing piece and is surrounded to form an accommodating space;

the switch piece is arranged in the accommodating space; and

the cover plate covers one side, deviating from the bearing piece, of the shielding piece, a contact is arranged on the cover plate and abuts against the switch piece.

2. The switch assembly according to claim 1, wherein the shielding member comprises a first side plate, a second side plate, a third side plate and a fourth side plate, and the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected end to end and enclose the accommodating space.

3. The switch assembly of claim 2, wherein an end of the first side plate facing away from the carrier, an end of the second side plate facing away from the carrier, an end of the third side plate facing away from the carrier, and an end of the fourth side plate facing away from the carrier enclose an opening forming the receiving space, and the switch member is located between the opening of the receiving space and the carrier.

4. The switch assembly of claim 3, further comprising a first connector, wherein the cover plate and the shield are detachably connected by the first connector, and the cover plate seals the opening of the receiving space.

5. A charging device, comprising the switch assembly as claimed in any one of claims 1 to 4, wherein the supporting member comprises an outer surface, an inner surface and a first through hole, the inner surface is disposed opposite to the outer surface, the shielding member is disposed on the outer surface and surrounds the outer surface to form the accommodating space, the inner surface surrounds the inner surface to form an inner cavity, the first through hole communicates the accommodating space and the inner cavity, and at least a portion of the switch member is located in the first through hole; or at least part of the switch piece extends into the inner cavity through the first through hole.

6. The charging device of claim 5, further comprising a first electrical connector and a second electrical connector, wherein the first electrical connector is disposed in the interior cavity, and the carrier has a second through hole; the second connector can be arranged on the first electrical connector through the second through hole.

7. The charging device according to claim 6, further comprising a surrounding member disposed on the outer surface and connected to one side of the shielding member, wherein the surrounding member includes a first surrounding portion, a second surrounding portion and a third surrounding portion, which are sequentially connected to each other, the second surrounding portion is opposite to the shielding member, one end of the first surrounding portion, which is away from the second surrounding portion, is connected to one end of the shielding member, one end of the third surrounding portion, which is away from the second surrounding portion, is connected to the other end of the shielding member, and the first surrounding portion, the second surrounding portion, the third surrounding portion and the second side plate of the shielding member surround to form a first receiving groove.

8. A charging device as claimed in claim 7, wherein the first enclosing part is at least partially located on a side of the shielding part departing from the receiving space in a direction from the third enclosing part to the first enclosing part, and a second receiving groove is formed between a side of the first enclosing part away from the second enclosing part and a side of the shielding part departing from the receiving space; the switch piece comprises an elastic piece, and a first contact is arranged on the elastic piece; the switch component further comprises a positioning piece, the positioning piece is arranged on the bearing piece and located in the second containing groove, the cover plate is provided with a positioning hole, and the positioning piece is matched with the positioning hole to enable the contact to correspond to the first contact.

9. The charging device according to claim 8, wherein the outer circumferential surface of the positioning member includes at least one limiting surface, the limiting surface is attached to the hole wall of the positioning hole, and the limiting surface can prevent the cover plate from rotating when the cover plate covers the shielding member along the positioning member.

10. A charging system comprising the charging device of any one of claims 7 to 9 and a second electrical connector electrically connected to the first electrical connector, the second connector being mounted between the second electrical connector and the first electrical connector via the first receiving slot and the second through hole.

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