CN111277011A - Charging assembly and electronic device - Google Patents

Abstract

The invention provides a charging assembly and an electronic device. The charging assembly includes a charging pen and a charging base. The end of the charging pen is a charging section with a positive electrode and a negative electrode. The charging base includes a bracket, a power supply circuit board and a negative electrode metal plate. A charging hole is provided, and the charging section is inserted into the charging hole; the power supply circuit board is connected to the bracket, and the power supply circuit board is provided with a negative pad area and a positive thimble; the negative metal plate is connected to the negative pad area, and the negative metal plate is The area corresponding to the positive thimble is provided with a through hole, and the positive thimble passes through the through hole; wherein the positive electrode of the charging section is connected to the positive thimble, and the negative electrode of the charging section is connected to the negative metal plate, so that the charging pen is connected to the power supply circuit board for charging, that is, The power supply circuit board and the negative metal plate are connected to the charging pen for charging, and the charging process is simple and convenient; and when the charging pen is not in use, it is accommodated in the charging stand to realize plug-and-play charging, thereby saving charging waiting time.

Description

Charging components and electronic devices

technical field

The present invention relates to the technical field of charging pens, in particular to a charging assembly and an electronic device.

Background technique

With the wide use of capacitive touch technology, the demand for capacitive stylus is also increasing, and capacitive stylus is divided into active capacitive stylus and passive capacitive stylus. Among them, active capacitive stylus The interior of the capacitive stylus is provided with battery power supply, while the interior of the passive capacitive stylus has no battery power supply, and the performance of the active capacitive stylus is better than that of the passive capacitive stylus.

However, the active capacitive stylus needs to be charged on a special charger after the battery power is exhausted, and the charging process is troublesome and the charging waiting time is long.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a charging assembly and an electronic device, which solve the problem that the existing active capacitive stylus needs to be charged by a dedicated charger after the battery power is exhausted, the charging process is troublesome and the charging waiting time long question.

In order to achieve the above object, the present invention provides a charging assembly, the charging assembly includes a charging pen and a charging base, the end of the charging pen is a charging segment with a positive electrode and a negative electrode, and the charging base includes:

a bracket, the bracket is provided with a charging hole, and the charging segment is inserted in the charging hole;

a power supply circuit board, the power supply circuit board is connected to the bracket, and the power supply circuit board is provided with a negative electrode pad area and a positive electrode thimble;

A negative metal plate, the negative metal plate is connected to the negative electrode pad area, a through hole is formed on the negative metal plate corresponding to the area of the positive electrode thimble, and the positive electrode thimble passes through the through hole;

Wherein, during charging, the charging segment is inserted into the charging hole, the positive electrode of the charging segment is connected to the positive electrode thimble, and the negative electrode of the charging segment is connected to the negative electrode metal plate, so that the charging The pen is in communication with the power supply circuit board for charging.

Further, the negative electrode metal plate includes a plate body and a first mounting portion and a second mounting portion extending outward from both ends of the plate body, and the first mounting portion is connected to the negative electrode pad area, so The second mounting portion is connected to the bracket.

Further, the first mounting portion is an L-shaped plate, one end of the first mounting portion is connected to the board body, and the other end of the first mounting portion is connected to the negative electrode pad area.

Further, the negative metal plate is a magnetic member.

Further, the charging base further includes a magnetizing member, and the magnetizing member is in contact with the negative metal plate to magnetize the negative metal plate.

Further, the charging base further includes a buffer member, and the buffer member is sleeved on the positive thimble and adhered to the power supply circuit board.

Further, the charging base further includes an insulating member, the insulating member is sleeved on the positive thimble and adhered to the end of the buffer member away from the power supply circuit board, and the positive thimble is partially exposed on the outside the insulation.

Further, the charging stand further includes a plug-in connector, the plug-in connector is connected to the power supply circuit board, and the plug-in connector is connected to an external charging power source to provide a charging voltage to the power supply circuit board .

Further, a current limiting member is further provided in the power supply circuit board, and the current limiting member is connected between the plug-in connector and the positive thimble.

In order to achieve the above object, the present invention also provides an electronic device, the electronic device includes a housing and any of the above-mentioned charging components;

Wherein, the charging stand is installed on the casing.

The present invention provides a charging assembly and an electronic device. The charging assembly includes a charging pen and a charging base, the end of the charging pen is a charging segment with a positive electrode and a negative electrode, and the charging base includes a bracket, a power supply circuit board, and a charging base. Negative metal plate, the bracket is provided with a charging hole, and the charging section is inserted in the charging hole; the power supply circuit board is connected to the bracket, and the power supply circuit board is provided with a negative pad area and the positive electrode thimble; the negative electrode metal plate is connected to the negative electrode pad area, the negative electrode metal plate is provided with a through hole in the area corresponding to the positive electrode thimble, and the positive electrode thimble passes through the through hole; wherein, charging When the charging section is inserted into the charging hole, the positive pole of the charging section is connected to the positive thimble, and the negative pole of the charging section is connected to the negative metal plate, so that the charging pen is connected to the The power supply circuit board is connected for charging. In this way, the technical solution provided by the present invention can be connected to the charging pen through the power supply circuit board and the negative metal plate, and the charging process is simple and convenient; and when the charging pen is not in use, it can be accommodated in the charging stand to realize plug-and-play charging, thereby saving energy. Charging wait time.

Description of drawings

In order to illustrate the technical solutions in the embodiments or exemplary embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments or exemplary descriptions. Obviously, the drawings in the following description are only the For some embodiments of the invention, for those of ordinary skill in the art, other drawings can also be obtained from those shown in these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a charging assembly according to an embodiment of the present invention;

2 is a schematic cross-sectional view of a charging assembly according to an embodiment of the present invention;

Fig. 3 is the structural enlargement schematic diagram of A part in Fig. 2;

4 is an exploded schematic diagram of a charging stand according to an embodiment of the present invention;

5 is a circuit schematic diagram of a power supply circuit board according to an embodiment of the present invention;

6 is a partial structural schematic diagram of an electronic device according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure of part B in FIG. 6 .

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the protection scope of the present invention.

As shown in Figures 1-5, the present invention provides a charging assembly.

In one embodiment, as shown in FIGS. 1 to 3 , the charging assembly includes a charging pen 100 and a charging base 200 , and the charging base 200 is used for accommodating the charging pen 100 and charging the charging pen 100 . An end of the charging pen 100 is a charging segment 110 having a positive electrode 101 and a negative electrode 102 , and the charging segment 110 is located at an end opposite to the tip of the charging pen 100 . The charging pen 100 may be a capacitive pen, which is used to touch the display screen to realize corresponding operations.

Further, the cross section of the charging segment 110 is circular, the positive electrode 101 is located in the center area of the charging segment 110 , and the negative electrode 102 is arranged around the positive electrode 101 , in order to separate the positive electrode 101 and the negative electrode 102. The charging segment 110 in this embodiment further includes a ring-shaped insulating plastic 103, and the ring-shaped insulating plastic 103 is provided on the positive electrode 101 and the negative electrode 102 to insulate the positive electrode 101 and the negative electrode 102. effect.

Further, the charging pen 100 has a hollow structure, that is, the charging pen 100 is also provided with a battery (not shown in the figure), the positive electrode 101 is connected to the positive electrode of the battery, and the negative electrode 102 is connected to the battery Alternatively, the positive electrode 101 and the negative electrode 102 are the positive and negative electrodes of the battery, respectively, which are not limited herein.

Further, when charging the charging pen 100, the charging base 20 is connected to the positive electrode 101 and the negative electrode 102 to charge the battery, and the battery stores the charged electric energy; When the charging pen 100 is in use, the battery is discharged, that is, the stored electric energy is released, so as to ensure the normal use of the charging pen 100 .

Further, as shown in FIG. 3 and FIG. 4 , the charging base 200 includes a bracket 210 , a power supply circuit board 220 and a negative metal plate 230 , the power supply circuit board 220 is connected to the bracket 210 , and the power supply circuit board A negative electrode pad area 221 and a positive electrode thimble 222 are arranged on the 220; the negative electrode metal plate 230 is connected to the negative electrode pad area 221, and a through hole 231 is opened in the area of the negative electrode metal plate 230 corresponding to the positive electrode thimble 222 , the positive thimble 222 passes through the through hole 231 . The bracket 210 is used for accommodating the charging pen 100 , that is, the bracket 210 is provided with a charging hole 211 , and the charging section 110 is inserted into the charging hole 211 to play a role of accommodation. The charging hole 211 is a hole passing through the bracket 210 , that is, after the charging pen 100 is inserted into the charging hole 211 , the charging segment 110 passes through the charging hole 211 and abuts against the charging hole 211 . The negative electrode metal plate 230 and the positive electrode thimble 222, specifically, the positive electrode 101 of the charging segment 110 is connected to the positive electrode thimble 222, and the negative electrode 102 of the charging segment 110 is connected to the negative electrode metal plate 230, so that all The charging pen 100 communicates with the power supply circuit board 220 .

Further, the length of the hole wall of the charging hole 211 should be greater than one third of the charging pen 100 , so that the charging pen 100 will not fall off after the charging pen 100 is accommodated in the charging hole 211 .

Further, the power supply circuit board 220 is provided with a plurality of the negative electrode pad regions 221, and the power supply circuit board 220 is a square circuit board. In this embodiment, the number of the negative electrode pad regions 221 is four. The negative pad areas 221 are respectively located at four diagonal corners of the power supply circuit board 220 , wherein the central area of the four negative pad areas 221 is the setting area of the positive thimble 222 , that is, the The position of the positive electrode thimble 222 can be positioned through the four negative pad areas 221, so that the position of the positive electrode thimble 222 is more accurate, thereby improving the accuracy of the connection between the positive electrode thimble 222 and the positive electrode 101 of the charging section 110. sex.

Further, the positive thimble 222 is a needle-shaped metal, the bottom of the positive thimble 222 is welded on the power supply circuit board 220 , and one end of the positive thimble 222 away from the power supply circuit board 220 is connected to the charging section 110 . The positive pole 101 is connected.

Further, the four negative electrode pad regions 221 are square bare copper large pads, and each of the negative electrode pad regions 221 is provided with a screw hole 2211 for the negative electrode metal plate 230 to pass through. The screw is connected to the screw hole 2211 , that is, the negative metal plate 230 is fixed on the power supply circuit board 220 through the negative pad area 221 .

Further, the power supply circuit board 220 is connected to the bracket 210 through screws, and the power supply circuit board 220 is connected to the bottom of the bracket 210. In this embodiment, the bottom of the bracket 210 is defined as the After the charging pen 100 is inserted into the charging hole 211 , the area of the bracket 210 where the charging section 110 is located is the bottom of the bracket 210 , so that the charging pen 100 can pass through the charging section 110 and all other components. The power supply circuit board 220 is connected for charging operation.

Further, after the negative electrode metal plate 230 is connected to the negative electrode pad area 221 , since the positive electrode ejector pin 222 is a needle-shaped metal, that is, in order to enable the positive electrode ejector pin 222 to be inserted into the charging hole 211 The positive electrode 101 of the charging segment 110 is connected to the inside, the negative electrode metal plate 230 is provided with a through hole 231 in the area corresponding to the positive electrode thimble 222 , and the position of the through hole 231 corresponds to the area of the positive electrode 101 of the charging segment 110 , so that the positive electrode thimble 222 can pass through the through hole 231 and be connected to the positive electrode 101 of the charging segment 110 .

Specifically, when charging the charging pen 100, the charging segment 110 is inserted into the charging hole 211, the positive electrode 101 of the charging segment 110 is connected to the positive electrode thimble 222, and the charging segment 110 The negative electrode 102 of the battery is connected to the negative electrode metal plate 230 , so that the charging pen 100 is connected to the power supply circuit board 220 for charging, that is, the battery in the charging pen 100 is charged.

In the embodiment of the present invention, the charging assembly includes a charging pen 100 and a charging base 200, the end of the charging pen 100 is a charging segment 110 having a positive electrode 101 and a negative electrode 102, and the charging base 200 includes a bracket 210, A power supply circuit board 220 and a negative metal plate 230, the power supply circuit board 220 is connected to the bracket 210, and the power supply circuit board 220 is provided with a negative pad area 221 and a positive thimble 222; the negative metal plate 230 is connected On the negative electrode pad area 221 , a through hole 231 is formed in the area of the negative electrode metal plate 230 corresponding to the positive electrode ejector pin 222 , and the positive electrode ejector pin 222 passes through the through hole 231 . In this way, the technical solution provided by the present invention can be connected to the charging pen 100 for charging through the power supply circuit board 220 and the negative metal plate 230, and the charging process is simple and convenient; and when the charging pen 100 is not in use, the The charging pen 100 is accommodated in the charging base 200 to realize plug-and-play charging, thereby saving charging waiting time.

Further, the negative electrode metal plate 230 includes a plate body 232, a first mounting portion 233 and a second mounting portion 234 extending outward from both ends of the plate body 232, and the first mounting portion 233 is connected to the negative electrode On the pad area 221 , the second mounting portion 234 is connected to the bracket 210 . The first mounting portion 233 and the second mounting portion 234 are both mounting plates, the plate main body 232 is a square plate, and the first mounting portion 233 and the second mounting portion 234 Two opposite sides extend outward, wherein the first mounting portion 233 is an L-shaped plate, that is, one end of the first mounting portion 233 is connected to the board body 232 , and the first mounting portion 233 is The other end is connected to the negative electrode pad region 221 .

Further, since the number of the above-mentioned negative pad regions 221 is four, that is, the number of the first mounting parts 233 in this embodiment is four, and each of the first mounting parts 233 corresponds to the The area of the screw hole 2211 of the negative electrode pad area 221 is provided with a screw hole 2331, that is, a screw is passed through the screw hole 2331 and the screw hole 2211 at one time to install the first mounting part 233 on the negative electrode welding part. The disk area 221 is to connect the negative metal plate 230 to the power supply circuit board 220 .

Further, the second mounting portion 234 is connected to the bracket 210 by screws or screws, wherein the second mounting portion 234 and the board main body 232 are on the same plane, so that the negative electrode of the charging section 110 is in the same plane. 102 abuts on the negative metal plate 230 and is connected to the negative pad area 221 on the power supply circuit board 220 , that is, connected to the negative electrode of the power supply circuit board 220 .

Further, the negative metal plate 230 is a magnetic member. That is, the negative metal plate 230 is a metal plate with magnetism, so as to attract the charging pen 100 by the magnetism, so as to prevent the charging pen 100 accommodated on the charging base 200 from being removed from the charging base 200 when the charging base 200 is rotated or inverted. The charging stand 200 falls off. In this embodiment, the negative metal plate 230 can be made of iron, steel, etc., which is not limited herein.

Alternatively, the negative metal plate 230 may be made of a magnetic material so as to attract the charging pen 100 .

Further, in order to strengthen the magnetism of the negative metal plate 230 , that is, the charging base further includes a magnetizing member 240 , and the magnetizing member 240 abuts the negative metal plate 230 to magnetize the negative metal plate 230 . The magnetizing member 240 is a magnet, and the magnetizing member 240 is disposed on the side of the negative metal plate 230 away from the charging pen 100 to magnetize the negative metal plate 230 so that the negative metal plate 230 has magnetic. Of course, when the negative metal plate 230 is made of a magnetic material, the magnetized member 240 can be removed, or the magnetized member 240 can be retained to strengthen the magnetism of the negative metal plate 230, thereby increasing the power to the charging pen 100 The magnetic attraction force can make the charging pen 100 more stable, and can also make the charging process more stable.

Further, since the charging pen 100 itself has a certain gravity, when inserted into the charging hole 211 , the charging section 110 of the charging pen 100 may collide with the negative metal plate 230 . The negative metal plate 230 transmits the impact force to the power supply circuit board 220 , thereby damaging the power supply circuit board 220 and the charging pen 100 . That is, the charging base in this embodiment further includes a buffer member 250 , the buffer member 250 is sleeved on the positive electrode thimble 222 and is bonded to the power supply circuit board 220 . The buffer member 250 is used to provide a buffer for the charging pen 100 and the power supply circuit board 220 when the charging pen 100 is inserted into the charging hole 211 to protect the charging pen 100 and the power supply The circuit board 220 will not be damaged.

Optionally, the buffer member 250 includes, but is not limited to, a rubber ring, a silicone ring, or other buffer structures made of rubber or silicone materials, which are not limited herein.

Further, the charging base further includes an insulating member 260, the insulating member 260 is sleeved on the positive electrode thimble 222 and is bonded to the end of the buffer member 250 away from the power supply circuit board 220, and the positive electrode thimble 220 is attached. The portion 222 is exposed outside the insulating member 260 . The insulating member 260 is used for isolating the positive electrode thimble 220 and the negative electrode metal plate 230 , ie, isolating the positive and negative electrodes of the power supply circuit board 220 , so as to play an insulating role.

Optionally, the insulating member 260 is an annular plastic structure. Of course, in other embodiments, the insulating member 260 may also be a structure made of insulating material, which is not limited herein.

Further, in order to provide the charging base 200 with a charging voltage, that is, in this embodiment, the charging base 200 further includes a plug-in connector 270 , and the plug-in connector 270 is connected to the power supply circuit board 200 , and the plug-in connector 270 is externally connected with a charging power source to provide a charging voltage to the power supply circuit board 220 . That is, the plug-in connector 270 is electrically connected to the negative pad area 221 and the positive thimble 222 of the power supply circuit board 220, and the plug-in connector 270 is provided with a plug-in hole (not shown). The plug hole is connected to a charging power supply to provide charging voltage to the power supply circuit board 220 .

Optionally, the charging voltage is a 5V DC voltage. That is, the voltage of the external charging power source can be converted into a 5V DC voltage by means of an inverter, a step-down circuit, etc., so as to meet the charging voltage of the charging assembly in this embodiment, which is not limited herein.

Further, the charging voltage in this embodiment can also be set to other DC voltage values according to the performance of the charging pen 100 or the charging base 200 , such as 6V, 7V, 8V, etc., which are not limited herein.

Further, in order to insert the charging pen 100 into the charging hole 211 , the diameter of the charging hole 211 in this embodiment should be larger than the diameter of the charging pen 100 . There is a gap between the charging holes 211 , so that conductive objects such as dust in the air can easily fall into the gap, that is, the charging circuit of the entire charging assembly may be short-circuited, resulting in burnout of the charging pen 100 and the charging base 200 risk, or even a fire. Based on this, as shown in FIG. 5 , the power supply circuit board 220 in this embodiment is further provided with a current limiting member 280 , and the current limiting member 280 is connected between the plug-in connector 270 and the positive thimble 220 . That is, when a conductive object such as dust falls into the gap, the charging circuit of the charging assembly is cut off by the current limiting member 280, so that the positive and negative electrodes of the charging pen 100 are disconnected from the positive and negative electrodes of the power supply circuit board 220. to end the charging process. Among them, "+" and "-" in the figure are the positive electrode thimble 222 and the negative electrode pad area 221 respectively, "+" and "-" are respectively connected to the positive electrode 101 and the negative electrode 102 of the charging 100, only After the positive electrode 101 and the negative electrode 102 of the charging pen 100 are respectively connected to "+" and "-", the above-mentioned charging circuit is connected, and the charging pen is charged.

Optionally, “DC-5V” in the illustration is the charging voltage output by the external power supply connected to the plug-in connector 270 , that is, a 5V DC voltage, and the arrow indicates the current direction.

In the embodiment of the present invention, the charging assembly includes a charging pen 100 and a charging base 200, the end of the charging pen 100 is a charging segment 110 having a positive electrode 101 and a negative electrode 102, and the charging base 200 includes a bracket 210, A power supply circuit board 220 and a negative metal plate 230, the power supply circuit board 220 is connected to the bracket 210, and the power supply circuit board 220 is provided with a negative pad area 221 and a positive thimble 222; the negative metal plate 230 is connected On the negative electrode pad area 221 , a through hole 231 is formed in the area of the negative electrode metal plate 230 corresponding to the positive electrode ejector pin 222 , and the positive electrode ejector pin 222 passes through the through hole 231 . In this way, the technical solution provided by the present invention can be connected to the charging pen 100 for charging through the power supply circuit board 220 and the negative metal plate 230, and the charging process is simple and convenient; and when the charging pen 100 is not in use, the The charging pen 100 is accommodated in the charging base 200 to realize plug-and-play charging, thereby saving charging waiting time.

Based on the above embodiments, the present invention also provides an electronic device.

In one embodiment, the electronic device includes the charging assembly described in the above-mentioned embodiment. For a detailed description, refer to FIGS. 1 to 5 and the description of the above-mentioned embodiment, which will not be repeated here.

Further, as shown in FIGS. 6 and 7 , the electronic device further includes a casing 300 , and the charging stand 200 is mounted on the casing 300 . Wherein, the electronic device may be an all-in-one machine, that is, the charging pen 100 is used on the touch screen of the all-in-one machine, so that the touch screen can be touched by the charging pen 100 to realize corresponding operations. Of course, in other embodiments, the electronic device may also be another device with a touch screen, which is not limited herein.

Further, the charging base 200 can be installed on the back of the casing 300 , that is, when the charging pen 100 is not in use, the charging pen 100 can be inserted into the charging base 200 to achieve storage The effect of the charging pen 100 can be realized, and the charging pen 100 can be charged in real time. When the charging pen 100 is used next time, the waiting time for charging with a special charger is saved, thereby improving the efficiency of work, study or meeting.

Since the electronic device provided by the present invention includes the charging assembly of the above embodiments, that is, the electronic device includes all the technical features and beneficial effects of the charging assembly described in the above embodiments, the electronic device of this embodiment also achieves All technical effects of the foregoing embodiments are specifically referred to the descriptions of the foregoing embodiments, and are not limited herein.

The above descriptions are only optional embodiments of the present invention, and are not intended to limit the scope of the present invention. All under the concept of the present invention, the equivalent transformations made by the contents of the description and drawings of the present invention, or directly/indirectly applied in Other related technical fields are included within the scope of patent protection of the present invention.

Claims (10)

1. The utility model provides a subassembly that charges, its characterized in that, the subassembly that charges includes the pen and the charging seat of charging, the tip of the pen that charges is the section of charging that has anodal and negative pole, the charging seat includes:

the charging device comprises a bracket, a charging section and a charging section, wherein the bracket is provided with a charging hole, and the charging section is inserted into the charging hole;

the power supply circuit board is connected with the bracket and is provided with a negative electrode pad area and a positive electrode thimble;

the negative metal plate is connected to the negative pad area, a through hole is formed in the area, corresponding to the positive thimble, of the negative metal plate, and the positive thimble penetrates through the through hole;

when the charging pen is charged, the charging section is inserted into the charging hole, the positive pole of the charging section is connected with the positive pole thimble, and the negative pole of the charging section is connected with the negative pole metal plate, so that the charging pen is communicated with the power supply circuit board for charging.

2. The charging assembly of claim 1, wherein the negative metal plate comprises a plate body and a first mounting portion and a second mounting portion extending outwardly from two ends of the plate body, the first mounting portion being connected to the negative pad area, and the second mounting portion being connected to the bracket.

3. The charging assembly of claim 2, wherein the first mounting portion is an L-shaped plate, one end of the first mounting portion is connected to the plate body, and the other end of the first mounting portion is connected to the negative electrode pad region.

4. A charging assembly as claimed in any of claims 1 to 3, in which the negative metal plate is a magnetic member.

5. The charging assembly of claim 4, further comprising a magnetizing member abutting against the negative metal plate to magnetize the negative metal plate.

6. The charging assembly of claim 1, wherein the charging base further comprises a buffer member, and the buffer member is sleeved on the positive electrode thimble and is adhered to the power supply circuit board.

7. The charging assembly of claim 6, wherein the charging base further comprises an insulating member, the insulating member is sleeved on the positive electrode pin and is bonded to an end of the buffer member away from the power supply circuit board, and the positive electrode pin is partially exposed out of the insulating member.

8. The charging assembly of claim 1, wherein the charging stand further comprises a plug wire connector, the plug wire connector is connected to the power supply circuit board, and the plug wire connector is externally connected to a charging power source to provide a charging voltage to the power supply circuit board.

9. The charging assembly of claim 8, wherein a current limiting element is further disposed within the power circuit board, the current limiting element being coupled between the connector and the positive pin.

10. An electronic device, comprising a housing and a charging assembly as claimed in any one of claims 1 to 9;

wherein, the charging seat is arranged on the shell.

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