WO2020103363A1

WO2020103363A1 - Automatic clamping mobile phone holder

Info

Publication number: WO2020103363A1
Application number: PCT/CN2019/079042
Authority: WO
Inventors: 肖计林; 廖海波
Original assignee: 深圳市华勤创展科技有限公司
Priority date: 2018-11-21
Filing date: 2019-03-21
Publication date: 2020-05-28
Also published as: CN209627450U

Abstract

Disclosed is an automatic clamping mobile phone holder, relating to the technical field of mobile phone holders. The mobile phone holder comprises a base and a clamping portion connected to the base. The clamping portion comprises an upper cover, a lower cover, a main control circuit board and two clamping arms, wherein the upper cover and the lower cover are fastened to each other; the main control circuit board is electrically connected to a transmitting coil and a drive electric motor; the main control circuit board, the transmitting coil and the drive electric motor are all arranged between the upper cover and the lower cover; and the two clamping arms are both connected to the drive electric motor and extend in opposite directions to outer sides of the upper cover and the lower cover being fastened to each other. According to the present utility model, the transmitting coil is additionally provided so as to realize the function of charging an electronic device using wireless charging, and the main control circuit board controls the two clamping arms to move in opposite directions on the basis that electro-magnetic induction generated by the transmitting coil is received by a corresponding receiving coil, so that the function of automatically clamping the electronic device is realized.

Description

Automatic clamping mobile phone bracket

Technical field

The utility model relates to the technical field of mobile phone brackets, in particular to an automatic clamping mobile phone bracket.

Background technique

Currently, information technology is highly developed, and mobile phones have become an indispensable part of people's lives. People often need to use a mobile phone to navigate when driving. Because of the limited space in the car, there is no ideal place to place the mobile phone. Therefore, a mobile phone bracket is needed to support the fixed mobile phone to facilitate driving navigation. In addition, when people use their mobile phones to watch videos or take selfies, they need to use a stand to support and fix the mobile phone to free their hands. Most of the current mobile phone brackets need to be manually clamped and fixed before manually releasing and fixing to remove the mobile phone, so that the driver needs to separate the hands to operate during the driving process. It is not troublesome to operate, it is difficult to complete the operation with one hand, and there are serious safety hazards, which is easy Cause traffic accidents. In addition, due to the development of mobile phone charging technology, wireless charging has gradually become the standard function of smart phones, and the current mobile phone holders on the market only support the mobile phone, and cannot charge mobile phones that use wireless charging.

Patent application number: CN201721755059.7 The patent document discloses an automatic clamping mobile phone bracket, which includes a main seat body, a tension spring, a central hook foot and two side hook feet, the horizontal sliding part of the side hook feet is provided with An inclined chute that is adapted to the sliding column on the central hook foot and allows the side hook feet to close when the sliding column descends; the center hook foot is pressed down by the gravity of the mobile phone, and the side hook feet are linked The action of clamping the mobile phone close together automatically clamps and fixes the mobile phone. However, it does not have the function of wireless charging. In the absence of a data cable, it is impossible to charge the wireless charging mobile phone in time, which may cause the mobile phone to be unable to use normally due to insufficient power.

In view of the above disadvantages, it is necessary to provide an automatic clamping mobile phone bracket to overcome the above defects.

Utility model content

The purpose of the utility model is to provide an automatic clamping mobile phone holder capable of charging wirelessly charged electronic devices and also capable of automatically clamping electronic devices.

In order to achieve the above object, the present invention proposes an automatic clamping mobile phone bracket, which includes a base and a clamping part connected to the base, the clamping part includes an upper cover, a lower cover, a main control circuit board and two clamping arms The upper cover and the lower cover are fastened to each other, the main control circuit board is electrically connected to the transmitting coil and the driving motor; the main control circuit board, the transmitting coil and the driving motor are all provided on the upper cover and the Between the lower cover, both of the clip arms are connected to the driving motor and extend to the outside of the interlocking upper and lower covers in the opposite direction.

In a preferred embodiment, the driving motor includes a micro motor and a driving gear, the micro motor is provided with a rotating shaft, the driving gear is sleeved on the rotating shaft; the clamping arm includes an angled connection Splint and rack; the rack meshes with the drive gear.

In a preferred embodiment, the main control circuit board includes a wireless charging circuit and a driving control circuit connected in series with the wireless charging circuit, the transmitting coil is electrically connected to the wireless charging circuit; the miniature motor of the driving motor It is electrically connected to the drive control circuit.

In a preferred embodiment, it further includes at least one first key, and the first key is electrically connected to the drive control circuit of the main control circuit board and is disposed outside the upper cover and the lower cover that are engaged with each other.

In a preferred embodiment, it further includes a second key, the second key is electrically connected to the driving control circuit of the main control circuit board and is disposed on a side of the upper cover opposite to the lower cover.

In a preferred embodiment, the base includes a fixed base and a connecting rod that are rotationally connected, and a universal ball is installed between an end of the connecting rod away from the fixed base and the lower cover. The fixing part is fixedly connected with the connecting rod, and the ball part of the universal ball is rotatably sleeved on a side of the lower cover opposite to the upper cover.

In a preferred embodiment, a suction cup is provided at an end of the fixing base away from the rotating rod.

In a preferred embodiment, it further includes a power supply interface, which is opened on the lower cover and electrically connected to the main control circuit board.

In a preferred embodiment, it further includes an indicator light, which is electrically connected to the main control circuit board.

In a preferred embodiment, a side edge of the upper cover extends away from the lower cover to form a supporting plate for carrying electronic devices.

Compared with the prior art, the beneficial effect of the automatic clamping mobile phone bracket proposed by the utility model is that: a transmission coil is added to realize the function of charging the wireless charging electronic device; the main control circuit board is generated according to the electromagnetic induction generated by the transmission coil The corresponding receiving coil receives to control the two clamp arms to move in opposite directions to realize the function of automatically clamping the electronic device.

BRIEF DESCRIPTION

1 is a schematic diagram of a three-dimensional structure of an automatic clamping mobile phone bracket according to an embodiment of the present invention;

2 is an exploded view of the structure of the clamping portion of the automatic clamping mobile phone holder shown in FIG. 1;

3 is a schematic diagram of a wireless charging circuit of a main control circuit board according to an embodiment of the utility model;

4 is a schematic diagram of a driving control circuit of a main control circuit board according to an embodiment of the utility model;

5 is an exploded view of the structure of the driving motor of an embodiment of the utility model;

6 is a three-dimensional structural schematic diagram of the base of the automatic clamping mobile phone bracket shown in FIG. 1;

7 is an enlarged view of the structure of the area A shown in FIG. 6;

8 is a bottom view of the automatic clamping mobile phone holder shown in FIG. 1.

10. Upper cover; 11. Support plate; 20. Lower cover; 30. Main control circuit board; 31. Transmitter coil; 311, coil bracket; 32. Drive motor; 321, micro motor; 3211, rotating shaft; 322, drive Gear; 323, motor pressure plate; 40, clamping arm; 41, clamping plate; 42, rack; 50, first button; 60, second button; 70, base; 71, fixed seat; 711, suction cup; 712, convex ; 72, connecting rod; 721, universal ball; 7211, fixed part; 7212, ball part; 80, power interface; 90, indicator light.

The implementation, functional characteristics and advantages of the utility model will be further described in conjunction with the embodiments and with reference to the drawings.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in combination with the 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 Examples. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back ...) in the embodiments of the present invention are only used to explain between the components in a certain posture (as shown in the drawings) If the specific posture changes, the directional indication changes accordingly. The connection may be a direct connection or an indirect connection.

In addition, the descriptions related to "first" and "second" in the present invention are for descriptive purposes only, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of those skilled in the art to realize. When the combination of technical solutions contradicts or cannot be realized, it should be considered that the combination of such technical solutions does not exist , Nor within the scope of protection required by this utility model.

Please refer to FIG. 1 and FIG. 2, the present invention proposes an automatic clamping mobile phone holder for supporting and clamping portable electronic devices, and at the same time can charge electronic devices with wireless charging functions, including but not limited to Mobile phones and tablets. The automatic clamping mobile phone holder includes a base 70 and a clamping part connected to the base 70, the clamping part includes an upper cover 10, a lower cover 20, a main control circuit board 30 and two clamping arms 40; The cover 10 and the lower cover 20 are engaged with each other. In this embodiment, the upper cover 10 includes a panel and a first engaging portion, the first engaging portion is a plurality of positioning pins; the lower cover 20 includes a bottom plate, a side surrounding the edge of the bottom plate A plate and a second engaging portion, wherein the second engaging portion is a plurality of positioning posts corresponding to the positioning pins one by one, and a positioning hole matching with the positioning pins is provided at the central axis of the positioning posts; A plurality of positioning pins and a plurality of positioning posts cooperate with each other to make the upper cover 10 and the lower cover 20 buckle with each other, and the panel, the bottom plate, and the side plate surround to form a receiving space. In another embodiment, the upper cover 10 includes a panel, and the lower cover 20 includes a bottom plate and a side plate surrounding the edge of the bottom plate, a limiting protrusion is provided on the inner side of the side plate, the The edge abuts against the inner side of the side plate and the panel abuts against the limiting protrusion, so that the upper cover 10 and the lower cover 20 are engaged with each other, and the panel, the bottom plate and the side The board is enclosed to form an accommodation space.

The main control circuit board 30 is electrically connected to the transmitting coil 31 and the driving motor 32; the main control circuit board 30, the transmitting coil 31 and the driving motor 32 are all provided between the upper cover 10 and the lower cover 20. In this embodiment, the main control circuit board 30 includes a wireless charging circuit (shown in FIG. 3) and a drive control circuit (shown in FIG. 4), and the wireless charging circuit and the drive control circuit are connected in series. A person skilled in the art can implement the main control circuit board 30 provided in this embodiment by referring to the drawings and combining common knowledge in the art. The transmitting coil 31 is fixed on the coil support 311, and the main control circuit board 30 is fixedly connected to the coil support 311, so that the internal structure is compact and stable.

Specifically, referring to FIG. 3, the wireless charging circuit includes a main control chip U1, a MOS tube Q1, and a MOS tube Q2, wherein the main control chip U1 is a 40-pin chip CWT-1000, and the MOS tube Q1 And the MOS tube Q2 are full-bridge MOS tubes. The first pin, the fifth pin and the sixth pin of the MOS tube Q1 are electrically connected to the 28th pin of the main control chip U1, and the second pin of the MOS tube Q1 is connected to the main The 30th pin of the control chip U1 is electrically connected, the 4th pin of the MOS tube Q1 is electrically connected to the 27th pin of the main control chip U1, the 7th pin and the 8th lead of the MOS tube Q1 The pins are all connected to the power supply V2, and the third pin of the MOS tube Q1 is grounded; the first pin, the fifth pin, and the sixth pin of the MOS tube Q2 are all connected to the 24th lead of the main control chip U1 Pin is electrically connected, the second pin of the MOS tube Q2 is electrically connected to the 22nd pin of the main control chip U1, and the fourth pin of the MOS tube Q2 is connected to the 25th lead of the main control chip U1 Are electrically connected, the 7th pin and the 8th pin of the MOS tube Q1 are both connected to the power supply V2, the third pin of the MOS tube Q2 is grounded; the fifth pin and the sixth lead of the MOS tube Q1 The foot is electrically connected to one end of the capacitor C13 at the same time, and the other end of the capacitor C13 is simultaneously electrically connected to the fifth and sixth pins of the MOS transistor Q2 through the inductor L; the transmitting coil 31 is connected to the inductor L Electrical connection. The 21st pin of the main control chip U1 is an input / output interface PIO; the 32nd pin of the main control chip U1 is electrically connected to one end of a resistor R19, and the other end of the resistor R19 is a USB input port; the power supply VDD1 is electrically Connect the first pin and the second pin of the main control chip U1 to supply power to the main control chip U1.

4, the drive control circuit includes a control chip U2, a MOS tube Q3, a MOS tube Q4, a MOS tube Q5, a MOS tube Q6, and a motor interface CON; wherein, the control chip U2 is a 14-pin chip SN8F57012, so The seventh pin of the chip U2 is electrically connected to one end of the resistor R38 and the collector of the transistor Q9; the other end of the resistor R38 is connected to the power supply V3; the base of the transistor Q9 is respectively connected to one end of the resistor R7 and the resistor R36 One end; the other end of the resistor R7 is the input and output interface PIO, that is, the other end of the resistor R7 is electrically connected to the 21st pin of the main control chip U1 of the wireless charging circuit; the other end of the resistor R36 is connected to The emitter of the transistor Q9 is simultaneously grounded; the gate of the MOS transistor Q4 is electrically connected to the 11th pin of the control chip U2, and the drain thereof is electrically connected to the 5th pin of the motor interface CON; the MOS The gate of the tube Q4 is electrically connected to the tenth pin of the control chip U2, and the drain thereof is electrically connected to the fourth pin of the motor interface CON; the gate of the MOS tube Q5 is electrically connected to the control chip U2 The ninth pin and its drain are electrically connected to the third pin of the motor interface CON; the gate of the MOS tube Q6 is electrically connected to the eighth pin of the control chip U2 and the drain thereof is electrically connected to the motor The second pin of the interface CON; the source of the MOS tube Q3, the source of the MOS tube Q4, the source of the MOS tube Q5 and the source of the MOS tube Q6 are all electrically connected to one end of the resistor R4 and one end of the capacitor C7, The other end of the resistor R4 and the other end of the capacitor C7 are both grounded. In addition, the drive control circuit further includes a switch K1, a switch K2, and a switch K3; the switch K1 and the switch K2 are connected in parallel, and both ends of the switch K1 and the switch K2 are electrically connected to the control chip The third pin and the other end of U2 are both grounded; one end of the switch K3 is electrically connected to the second pin of the control chip U2 and the other end is grounded; the power supply VDD2 is electrically connected to the first pin of the control chip U2, Power supply for the control chip U2. The driving motor 32 is correspondingly electrically connected to the motor interface CON; the power supply V4 is electrically connected to the first pin of the motor interface CON to supply power to the driving motor 32.

Both the clip arms 40 are connected to the driving motor 32 and extend to the outside of the upper cover 10 and the lower cover 20 which are engaged with each other in the opposite direction. One of the clamping arms 40 extends to the left of the interlocking upper cover 10 and the lower cover 20, and the other of the clamping arms 40 extends to the right of the interlocking upper cover 10 and the lower cover 20 side. The connection modes of the two clamping arms 40 and the driving motor 32 include, but are not limited to, gear meshing and cylinder connection. When the electromagnetic induction generated by the transmitting coil 31 is received by the receiving coil of the electronic device, the wireless charging electronic device is placed on the upper cover 10, and the main control circuit board 30 controls the driving motor 32 to drive two The clamping arm 40 moves in a relative direction, so as to realize the functions of charging the wireless charging electronic device and automatically clamping the electronic device.

Please also refer to FIG. 5. In this embodiment, the driving motor 32 includes a micro motor 321 and a driving gear 322. The micro motor 321 is provided with a rotating shaft 3211, and the driving gear 322 is sleeved on the rotating shaft 3211. And rotate with the rotating shaft 3211. The clamping arm 40 includes a clamping plate 41 and a rack 42 connected at an angle; the rack 42 meshes with the driving gear 322. Specifically, the automatic clamping mobile phone bracket further includes a motor pressing plate 323, and the motor pressing plate 323 has a rectangular groove shape, including a groove bottom plate and two groove walls opposite to each other. The rack 42 includes gear racks and racks without gears spaced apart from each other, and the driving gear 322 is provided between the gear racks of the two clamping arms 40 and respectively connected to the two clamping arms 40 is engaged with a rack and pinion. The pinion and rack of the clamping arm 40 is clamped between the rack and pinion of the other clamping arm 40 and a corresponding groove wall. The structure is compact and reasonable, thereby improving The stability of the connection between the components. In addition, the bottom plate of the lower cover 20 is concavely provided with an accommodating groove for accommodating the micromotor 321, the groove bottom plate of the motor pressing plate 323 is spaced from the coil holder 311 and the two grooves of the motor pressing plate 323 The groove wall abuts on the coil support 311, and the structure is compact and reasonable, which further improves the stability of the connection between the components.

Further, a side edge of the upper cover 10 extends away from the lower cover 20 to form a supporting plate 11 for carrying electronic devices. As shown in FIG. 1, the supporting plate 11 is provided below the upper cover 10 to prevent electronic devices such as mobile phones from falling, while reducing the burden on the two clip arms 40 and increasing the service life of the device. Preferably, an end of the supporting plate 11 facing away from the upper cover protrudes upward to form a flange, and the flange further prevents the falling of electronic devices such as mobile phones.

Further, the automatic clamping mobile phone bracket further includes at least one first key 50, and the first key 50 is electrically connected to the main control circuit board 30 and is disposed on the upper cover 10 and the lower cover 20 which are fastened to each other Outside; specifically, the first key 50 is electrically connected to the switch K1 or the switch K2 of the drive control circuit. When the first button 50 is closed, the main control circuit board 30 controls the driving motor 322 to drive the two clamping arms 40 to move in opposite directions, so as to clamp and / or charge the electronic device Put into the automatic clamping mobile phone holder, or take out the electronic device from the automatic clamping mobile phone holder. In this embodiment, there are two first buttons 50, and each of the first buttons 50 is a light-touch switch button, so as to improve the user's experience. One of the first keys 50 and one of the clamping arms 40 are located on the same side and below the corresponding clamping arm 40, and the other of the first keys 50 and the other of the clamping arms 40 are located on the same side and Located under the corresponding clamp arm 40, as shown in FIG. 1, one of the first keys 50 is provided on the left side of the clamping portion, and the other of the first keys 50 is provided on the right side of the clamping portion On the side, this design improves the aesthetic appearance of the automatic clamping mobile phone holder, and also conforms to the public's usage habits. It should be noted that, in this embodiment, the two first keys 50 trigger the two clamp arms 40 to move in opposite directions individually or simultaneously.

Further, the automatic clamping mobile phone bracket further includes a second button 60, which is electrically connected to the main control circuit board 30 and is disposed outside the upper cover 10 and the lower cover 20 that are mutually engaged ; Specifically, the second key 60 is electrically connected to the switch K3 of the drive control circuit; when the second key 60 is closed, the main control circuit board 30 controls the drive motor 322 to drive the two The clamp arm 40 moves in the opposite direction, thereby realizing the function of automatically clamping the electronic device. In this embodiment, the second button 60 is a light-touch switch button, so as to improve the user's experience. The second button 60 is disposed on a side of the upper cover 10 and the lower cover 20 opposite to each other, and the second button 60 is disposed on an end opposite to the supporting plate 11, that is, the second The key 60 is provided above the clamping portion. The second button 60 is mainly designed for electronic devices that do not have a wireless charging function. Electronic devices that do not have a wireless charging function are placed in the automatic clamping mobile phone holder, and are triggered by tapping the second button 60 The two clamping arms 40 move in opposite directions to clamp the corresponding electronic device, thereby improving the compatibility of the automatic clamping mobile phone holder.

Further, referring to FIG. 6 at the same time, the base 70 is rotatably connected to the lower cover 20. In this embodiment, the base 70 includes a fixed base 71 and a connecting rod 72 that are rotationally connected, the fixed base 71 and the connecting rod 72 are connected by a fixed rotating shaft, and the angle of the connecting rod 72 and the fixed base 71 Adjustable from approximately 0 to 360 degrees to meet user needs for different angles and heights. A universal ball 721 is installed between the end of the connecting rod 72 away from the fixing base 71 and the lower cover 20. As shown in FIG. 7, the fixing portion 7211 of the universal ball 721 and the connecting rod 72 Fixedly connected, the ball portion 7212 of the universal ball 721 is rotatably sleeved on the side of the lower cover 20 opposite to the upper cover 10. The lower cover 20 uses the gimbal 721 as an axis to realize the all-round rotation function. Therefore, the user can adjust the angle of the lower cover 20 according to actual needs, thereby adjusting the angle of the clamped electronic device.

Further, please also refer to FIG. 8 at the same time, an end of the fixing base 71 away from the rotating rod 62 is provided with a suction cup 711. When the automatic clamping mobile phone holder is used in a car, the suction cup 711 is adsorbed on a center console or a windshield to fix the automatic clamping mobile phone holder. Of course, the adsorption can also be adsorbed on a desk or a coffee table to meet the needs of different occasions. Common adhesive methods can only be fixed and used in a certain place, and after removal, it will leave difficult to remove offset prints on the fixed platform, affecting the appearance. In contrast, this embodiment has the advantage of being detachable and reusable by adopting the suction cup suction method, and will not cause damage to the fixed platform. In addition, a convex portion 712 is provided on the edge of the suction cup 711 to facilitate the user to remove the base 70 from the corresponding platform.

Further, referring to FIG. 8 at the same time, the automatic clamping mobile phone bracket further includes a power interface 80, which is opened on the lower cover 20 and electrically connected to the main control circuit board 30. Specifically, the power interface 80 and the USB input port of the wireless charging circuit are electrically connected. The power interface 80 is opened on the side plate of the lower cover 20 and located at the same end as the supporting plate 11. The power interface 80 is connected to an external power supply through a data cable, and can provide electrical energy for the automatic clamping mobile phone holder, thereby realizing the functions of the automatic clamping mobile phone holder wirelessly charging electronic devices and automatically clamping electronic devices.

Further, please refer to FIG. 2, the automatic clamping mobile phone bracket further includes an indicator light 90, the indicator light 70 is disposed on a side of the upper cover 10 and the lower cover 20 opposite to the bearing The pallet 11 is located at the same end; the indicator light 90 is electrically connected to the main control circuit board 30, and the indicator light 90 is on when the automatic clamping mobile phone holder normally wirelessly charges electronic equipment. Specifically, as shown in FIG. 3, the indicator light 90 is a light-emitting diode D1 of the wireless charging circuit, and its first pin is connected to the twelfth pin of the main control chip U1 and its fourth pin is connected to the The eleventh pin, the second pin and the second pin of the main control chip U1 are all connected to the power supply V1. Preferably, the power supply V1 is provided by a power supply driving chip, for example: a power supply chip of type TB6819A; when the electromagnetic induction generated by the transmitting coil 31 is received by the receiving coil of the electronic device, the wireless charging electronic device is placed in the When the upper cover 11 is on, if the automatic clamping mobile phone holder can charge electronic devices normally, the indicator 90 emits a stable light, such as a steady blue light; if the automatic clamping mobile phone holder cannot be properly aligned When the electronic device is charged, the indicator 90 emits a flashing light, such as a flashing red light. The user can know whether the charging connection between the clamped electronic device and the automatically clamped mobile phone holder is normal according to the lighting condition of the indicator 90. In order to find abnormal conditions in time, and carry out maintenance and repair on the abnormal conditions.

The utility model proposes an automatic clamping mobile phone bracket, which is provided with a transmitting coil to realize the function of charging wirelessly charged electronic equipment; the main control circuit board is received by the corresponding receiving coil according to the electromagnetic induction generated by the transmitting coil to control the two clips The arm moves in the opposite direction to realize the function of automatically clamping the electronic device; in addition, the main control circuit board can also be used to control the two clamping arms to move in the opposite direction by triggering the second button to achieve automatic clamping of the electronic device Features.

The above is only the preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by the specification and drawings of the utility model, or directly or indirectly used in Other related technical fields are all included in the patent protection scope of the utility model.

Claims

An automatic clamping mobile phone bracket is characterized by comprising a base and a clamping part connected to the base, the clamping part comprises an upper cover, a lower cover, a main control circuit board and two clamping arms; the upper cover Buckle with the lower cover, the main control circuit board is electrically connected to the transmitting coil and the driving motor; the main control circuit board, the transmitting coil and the driving motor are all provided between the upper cover and the lower cover, Both of the clamping arms are connected to the driving motor and extend to the outside of the interlocking upper and lower covers in opposite directions.
The automatic clamping mobile phone holder according to claim 1, wherein the driving motor includes a micro motor and a driving gear, the micro motor is provided with a rotating shaft, and the driving gear is sleeved on the rotating shaft; The clamping arm includes a clamping plate and a rack connected at an angle; the rack meshes with the driving gear.
The automatic clamping mobile phone holder according to claim 2, wherein the main control circuit board includes a wireless charging circuit and a driving control circuit connected in series with the wireless charging circuit, the transmitting coil and the wireless charging circuit Electrical connection; the micromotor of the drive motor is electrically connected to the drive control circuit.
The automatic clamping mobile phone holder according to claim 3, further comprising at least one first button, the first button is electrically connected to the driving control circuit of the main control circuit board and is arranged on the mutual buckle Close the outside of the cover and lower cover.
The automatic clamping mobile phone holder of claim 3, further comprising a second button, the second button is electrically connected to the driving control circuit of the main control circuit board and is arranged on the upper cover and the Describe the opposite side of the cover.
The automatic clamping mobile phone holder according to claim 1, characterized in that: the base comprises a fixed seat and a connecting rod which are rotationally connected, and an end of the connecting rod away from the fixed seat is installed between the lower cover and the lower cover A universal ball, the fixing part of the universal ball is fixedly connected with the connecting rod, and the ball part of the universal ball is rotatably sleeved on a side of the lower cover opposite to the upper cover.
The automatic clamping mobile phone holder according to claim 6, characterized in that: the end of the fixing base away from the rotating rod is provided with a suction cup.
The automatic clamping mobile phone holder according to claim 1, further comprising a power interface, the power interface is opened on the lower cover and electrically connected to the main control circuit board.
The automatic clamping mobile phone holder according to claim 1, further comprising an indicator light, the indicator light is electrically connected to the main control circuit board.
The automatic clamping mobile phone holder according to claim 1, wherein a side edge of the upper cover extends away from the lower cover to form a supporting plate for carrying electronic devices.