CN117791787A - Low-cost full-compatible multi-port quick charge source and PCB processing device thereof - Google Patents

Low-cost full-compatible multi-port quick charge source and PCB processing device thereof Download PDF

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Publication number
CN117791787A
CN117791787A CN202311793945.9A CN202311793945A CN117791787A CN 117791787 A CN117791787 A CN 117791787A CN 202311793945 A CN202311793945 A CN 202311793945A CN 117791787 A CN117791787 A CN 117791787A
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CN
China
Prior art keywords
pcb
mounting
fixedly connected
polishing
output
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Pending
Application number
CN202311793945.9A
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Chinese (zh)
Inventor
蒋春园
熊育明
周先平
郑广月
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Shenzhen Kunxing Technology Co ltd
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Shenzhen Kunxing Technology Co ltd
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Priority to CN202311793945.9A priority Critical patent/CN117791787A/en
Publication of CN117791787A publication Critical patent/CN117791787A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a low-cost full-compatible multi-port quick charging source, which relates to the technical field of chargers and comprises a power supply body and a PCB (printed circuit board) arranged on the power supply body, and further comprises: the circuit system is arranged on the PCB; the circuit system comprises a singlechip and an AC/DC converter, wherein the singlechip and the AC/DC converter are correspondingly arranged on a PCB, and the circuit system further comprises: the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit are electrically connected with the single chip and correspondingly arranged on the PCB; the first DC output, the second DC output and the third DC output are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB; the invention can control the DC/DC conversion circuit by programming the singlechip, thereby outputting different voltage and current to rapidly charge the electronic equipment, simplifying the circuit, reducing the number of electronic devices and realizing low-cost and small-volume products.

Description

Low-cost full-compatible multi-port quick charge source and PCB processing device thereof
Technical Field
The invention belongs to the technical field of chargers, and particularly relates to a low-cost full-compatible multi-port quick charging source and a PCB processing device thereof.
Background
With the development of society, electronic devices such as smart phones, tablet computers and digital cameras are becoming popular, and a multi-port quick charger capable of charging a plurality of electronic devices is also closely related to the life of people.
The existing multi-port charger has complex circuit, large volume and high cost, and most of compatible electronic equipment is existing equipment, and the compatibility of the new electronic equipment cannot be updated in real time, so that the new equipment cannot be charged quickly, and the circuit frame is shown in fig. 8.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a low-cost full-compatible multi-port quick charging source and a PCB processing device thereof, and solves the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a full compatible many mouthfuls of low-cost fills power soon, includes power supply body and installs the PCB board on power supply body, set up four mounting holes that are the rectangle distribution on the PCB board, the PCB board is provided with the chamfer, still includes:
the circuit system is arranged on the PCB and is used for controlling the DC/DC conversion circuit and communicating with a communication protocol of the electronic equipment;
the circuit system comprises a singlechip and an AC/DC converter, wherein the singlechip and the AC/DC converter are correspondingly arranged on a PCB, and the circuit system further comprises:
the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit are electrically connected with the single chip and correspondingly arranged on the PCB; and
the first DC output, the second DC output and the third DC output are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB;
the AC/DC converter is correspondingly and electrically connected with the first DC output, the second DC output and the third DC output through the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit.
The utility model provides a PCB board processingequipment of many mouthfuls of quick charge power of low-cost full compatibility, its characterized in that includes the bottom plate, the first linear motion spare fixed connection of bottom plate and output fixedly connected with first mounting bracket still includes:
the rack is fixedly arranged on the bottom plate and used for carrying the PCB;
the polishing mechanism is arranged on the first mounting frame and is used for polishing the edge profile of the PCB; and
the pressing mechanism is matched with the polishing mechanism for use and is used for pressing and limiting the PCB subjected to polishing treatment;
wherein, grinding machanism includes first motor and mounting disc, first motor fixed connection is on first mounting bracket, the mounting disc cover is established on first motor and with first motor fixed connection, still includes:
the polishing assembly is connected with the mounting plate through the connecting assembly and is used for polishing the edge profile of the PCB; and
the connecting component is arranged on the mounting plate and used for connecting the polishing component and pushing the polishing component to move along the edge profile of the PCB
The technical scheme is as follows: the polishing assembly comprises a polishing barrel, a second motor, a mounting sliding block, a second linear motion piece and a bearing plate, wherein an output shaft of the second motor penetrates through the mounting sliding block and is in sliding fit with a first sliding groove formed in the mounting sliding block, an output end of the second linear motion piece is fixedly connected to the second motor, the other end of the second linear motion piece is fixedly connected with the mounting sliding block, one end of the mounting sliding block extends to a first limiting groove formed in a first mounting frame, the other end of the mounting sliding block extends to a second limiting groove formed in the bearing plate, and the polishing barrel is fixedly connected to an output shaft of the second motor.
The technical scheme is as follows: the outlines of the first limit groove and the second limit groove are enlarged in proportion to the outline of the PCB.
The technical scheme is as follows: the connecting assembly comprises a first rod body, a second rod body and a connecting block, one end of the connecting block extends into a second sliding groove formed in the first rod body and slides in a limiting mode with the second sliding groove, the second rod body is fixedly connected with a second elastic piece which is arranged in the second sliding groove and fixedly connected with the first rod body, the end portion of the first rod body is hinged to a mounting disc, the end portion of the second rod body is hinged to the connecting block, and the connecting block is fixedly connected with a hinged ball which is embedded in the mounting sliding block and is rotationally connected with the mounting sliding block.
The technical scheme is as follows: the pressing mechanism comprises an installation box body, a pressing block and a first spring, wherein the installation box body is fixedly connected to the bearing plate, one end of the pressing block extends into the installation box body and slides in a limiting mode with the installation box body, and the first spring is arranged in the installation box body and fixedly connected with the installation box body and the pressing block.
The technical scheme is as follows: the cleaning mechanism is used for cleaning the surface of the PCB.
The technical scheme is as follows: the cleaning mechanism comprises a rotating shaft and fan blades, the rotating shaft is rotationally connected to the mounting hole, the fan blades are sleeved on the rotating shaft and fixedly connected with the rotating shaft, and the cleaning mechanism further comprises:
and the driving assembly is arranged in the mounting hole and used for driving the rotating shaft to perform rotary motion in the vertical direction.
The technical scheme is as follows: the driving assembly comprises a push rod, a rotary cylinder body and a belt pulley pair, wherein the push rod is fixedly connected to the pressing block, one end of the push rod extends into the rotary cylinder body and is in sliding fit with the rotary cylinder body, the rotary cylinder body is rotationally connected with the mounting hole, a spiral groove which is in sliding fit with a pushing column fixedly connected to the end part of the push rod is formed in the rotary cylinder body, and the rotary cylinder body is in transmission connection with the rotating shaft through the belt pulley pair.
The technical scheme is as follows: and the rack is fixedly connected with a limit column which is in sliding fit with a mounting hole formed in the PCB.
Advantageous effects
The invention provides a low-cost full-compatible multi-port quick charge source and a PCB processing device thereof, which have the following beneficial effects compared with the prior art:
1. the invention can realize the function of the DC/DC conversion chip by programming the singlechip, control the DC/DC conversion circuit, thereby outputting different voltage and current to carry out quick charge for the electronic equipment, simplifying the circuit, reducing the number of electronic devices, realizing low-cost and small-volume products, simultaneously realizing the protocol communication function of the protocol chip by programming the singlechip, carrying out interactive communication with the communication protocol of the electronic equipment, reading the charging voltage and the charging current required by the electronic equipment, and updating the singlechip software when the novel electronic equipment is provided, so as to achieve the aim of being compatible with the communication protocol of the novel equipment and realize the compatibility of the communication protocols of all the electronic equipment;
2. according to the invention, the first linear moving part pulls the first mounting frame to perform linear movement in the vertical direction, the pressing mechanism is caused to press the PCB against the rack, the second motor is started to drive the polishing cylinder to perform rotation in the vertical direction, the second linear moving part pulls the polishing cylinder to perform linear movement in the horizontal direction along the length direction of the mounting sliding block until the polishing cylinder abuts against the edge of the profile of the PCB, at the moment, the first motor drives the mounting disc to perform rotary movement in the vertical direction, and the mounting disc pulls the two ends of the mounting sliding block to correspondingly slide along the profile trend of the first sliding groove and the second sliding groove through the first rod body and the second rod body, namely, the polishing cylinder which rotates in the vertical direction is caused to perform annular movement along the profile of the outer edge of the PCB, so that the technical effect of polishing the profile of the outer edge of the PCB is achieved.
Drawings
Fig. 1 is a schematic diagram of a circuit system according to the present invention.
Fig. 2 is a schematic structural diagram of a PCB processing device of a low-cost full-compatible multi-port fast charging power supply of the present invention.
Fig. 3 is a schematic structural view of the polishing mechanism of the present invention.
Fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 3 according to the present invention.
Fig. 5 is a schematic structural view of the pressing mechanism of the present invention.
Fig. 6 is an enlarged schematic view of the B-section structure of fig. 5 according to the present invention.
Fig. 7 is a schematic structural diagram of a PCB board according to the present invention.
Fig. 8 is a diagram illustrating a conventional circuit frame mentioned in the background art.
Reference numerals annotate: 1. a bottom plate; 2. a first linear motion member; 3. a first mounting frame; 4. a stand; 5. a polishing mechanism; 501. a first motor; 502. a mounting plate; 503. a connection assembly; 5031. a first rod body; 5032. a second rod body; 5033. a connecting block; 504. a polishing assembly; 5041. polishing a cylinder; 5042. a second motor; 5043. installing a sliding block; 5044. a second linear motion member; 5045. a carrying plate; 6. a pressing mechanism; 601. installing a box body; 602. pressing the blocks; 603. a first spring; 7. a PCB board; 701. a mounting hole; 8. a cleaning mechanism; 801. a rotating shaft; 802. a fan blade; 803. a drive assembly; 8031. a push rod; 8032. rotating the cylinder; 8033. and a pulley set.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 and fig. 7, for a low-cost full-compatible multi-port fast charging power supply provided by an embodiment of the present invention, the multi-port fast charging power supply includes a power supply body and a PCB board 7 mounted on the power supply body, four rectangular mounting holes 701 are formed in the PCB board 7, and the PCB board 7 is provided with chamfer angles, and further includes:
the circuit system is arranged on the PCB 7 and is used for controlling the DC/DC conversion circuit and communicating with a communication protocol of the electronic equipment;
the circuit system comprises a singlechip and an AC/DC converter, wherein the singlechip and the AC/DC converter are correspondingly arranged on a PCB 7, and the circuit system further comprises:
the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB 7; and
a first DC output, a second DC output and a third DC output which are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB 7;
the AC/DC converter is correspondingly and electrically connected with the first DC output, the second DC output and the third DC output through the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit.
In the embodiment of the invention, the function of the DC/DC conversion chip can be realized by programming the singlechip, the DC/DC conversion circuit is controlled, so that different voltage and current are output to rapidly charge the electronic equipment, the circuit can be simplified, the number of electronic devices is reduced, low-cost and small-volume products are realized, meanwhile, the communication protocol is written by the singlechip, the protocol communication function of the protocol chip is realized, the interaction communication of the communication protocol is carried out with the electronic equipment, the charging voltage and the charging current required by the electronic equipment are read, and when the novel electronic equipment exists, the singlechip software can be updated, so that the aim of compatibility with the novel equipment communication protocol is fulfilled, and the compatibility of the communication protocols of all the electronic equipment is realized.
Referring to fig. 2 to 7, a PCB board processing device of a low-cost fully compatible multi-port fast charging power supply includes a base plate 1, the base plate 1 is fixedly connected with a first linear moving member 2 of a first mounting frame 3 fixedly connected with an output end, and further includes:
the rack 4 is fixedly arranged on the bottom plate 1 and is used for carrying the PCB 7;
the polishing mechanism 5 is arranged on the first mounting frame 3 and is used for polishing the edge profile of the PCB 7; and
the pressing mechanism 6 is matched with the polishing mechanism 5 for use and is used for pressing and limiting the PCB 7 subjected to polishing treatment;
wherein, grinding machanism 5 includes first motor 501 and mounting disc 502, first motor 501 fixed connection is on first mounting bracket 3, mounting disc 502 cover is established on first motor 501 and is with first motor 501 fixed connection, still includes:
the polishing component 504 is connected with the mounting plate 502 through the connecting component 503 and is used for polishing the edge contour of the PCB 7; and
a connection assembly 503 mounted on the mounting plate 502 for connecting the grinding assembly 504 and pushing the grinding assembly 504 to move along the edge profile of the PCB 7;
the polishing assembly 504 includes a polishing barrel 5041, a second motor 5042, a mounting slider 5043, a second linear motion member 5044, and a carrier plate 5045, wherein an output shaft of the second motor 5042 penetrates through the mounting slider 5043 and is in sliding fit with a first chute (not shown in the figure) formed on the mounting slider 5043, an output end of the second linear motion member 5044 is fixedly connected to the second motor 5042, the other end of the second linear motion member 5044 is fixedly connected to the mounting slider 5043, one end of the mounting slider 5043 extends to a first limit slot (not shown in the figure) formed on the first mounting frame 3, the other end of the mounting slider 5043 extends into a second limit slot (not shown in the figure) formed on the carrier plate 5045, the outlines of the first limit slot and the second limit slot are amplified in proportion to the outline of the PCB 7, and the polishing barrel 5041 is fixedly connected to the output shaft of the second motor 5042;
the connecting assembly 503 includes a first rod 5031, a second rod 5032, and a connecting block 5033, one end of the connecting block 5033 extends into a second chute formed on the first rod 5031 and slides with the second chute in a limited manner, the second rod 5032 is fixedly connected with a second elastic member (not shown in the figure) disposed in the second chute and fixedly connected with the first rod 5031, an end of the first rod 5031 is hinged to the mounting plate 502, an end of the second rod 5032 is hinged to the connecting block 5033, and the connecting block 5033 is fixedly connected with a hinge ball (not shown in the figure) embedded in the mounting slider 5043 and rotationally connected with the mounting slider 5043.
Specifically, the carrying plates 5045 are four and are rectangular in distribution. The purpose of this arrangement is to support the carrier plate 5045.
Specifically, a limiting post (not shown) that is slidably matched with the mounting hole 701 formed in the PCB 7 is fixedly connected to the stand 4.
In the embodiment of the invention, the first linear moving member 2 pulls the first mounting frame 3 to perform linear movement in the vertical direction, so that the pressing mechanism 6 pushes the PCB 7 against the table frame 4, at this time, the second motor 5042 is started to drive the polishing cylinder 5041 to perform rotation in the vertical direction, the second linear moving member 5044 pulls the polishing cylinder 5041 to perform linear movement in the horizontal direction along the length direction of the mounting sliding block 5043 until the polishing cylinder 5041 pushes against the contour edge of the PCB 7, at this time, the first motor 501 drives the mounting plate 502 to perform rotational movement in the vertical direction, and the mounting plate 502 pulls the two ends of the mounting sliding block 5043 to slide correspondingly along the contour trend along the first sliding groove and the second sliding groove through the first rod body 5031 and the second rod body 5032, namely, the polishing cylinder 5041 which is driven to perform rotation in the vertical direction performs annular movement along the contour of the outer edge of the PCB 7 is achieved, so that the technical effect of polishing the contour of the outer edge of the PCB 7 is achieved.
Referring to fig. 2 and 4, as an embodiment of the invention, the pressing mechanism 6 includes a mounting box 601, a pressing block 602 and a first spring 603, the mounting box 601 is fixedly connected to the bearing plate 5045, one end of the pressing block 602 extends into the mounting box 601 and is in limited sliding with the mounting box 601, and the first spring 603 is disposed in the mounting box 601 and is fixedly connected with the mounting box 601 and the pressing block 602.
In the embodiment of the present invention, when the carrier 5045 moves linearly in the vertical direction, it pushes the mounting case 601 to drive the pressing block 602 to move synchronously linearly in the vertical direction, at this time, the pressing block 602 gives 702 a certain pressing force, and the reaction force of the pressing force pushes the pressing block 602 to press the first spring 603 and move linearly along the mounting case 601 (the pressing block 602 is retracted into the mounting case 601), so that the PCB 7 is limited on the stage 4.
Referring to fig. 2, 4 and 5, as an embodiment of the present invention, the cleaning mechanism 8 for cleaning a surface of the PCB 7 is further provided, the cleaning mechanism 8 includes a rotating shaft 801 and a fan blade 802, the rotating shaft 801 is rotatably connected to the mounting hole 701, the fan blade 802 is sleeved on the rotating shaft 801 and is fixedly connected to the rotating shaft 801, and the cleaning mechanism further includes:
a driving assembly 803 installed in the installation hole 701 for driving the rotation shaft 801 to perform a rotational motion in a vertical direction;
the driving assembly 803 comprises a push rod 8031, a rotary cylinder 8032 and a pulley pair 8033, the push rod 8031 is fixedly connected to the pressing block 602, one end of the push rod 8031 extends into the rotary cylinder 8032 and is in sliding fit with the rotary cylinder 8032, the rotary cylinder 8032 is rotationally connected with the mounting hole 701, a spiral groove (not labeled in the figure) which is in sliding fit with a pushing column (not labeled in the figure) fixedly connected to the end of the push rod 8031 is formed in the rotary cylinder 8032, and the rotary cylinder 8032 is in transmission connection with the rotating shaft 801 through the pulley pair 8033.
In the embodiment of the invention, the pressing block 602 performs linear motion in the vertical direction, the pressing block 602 drives the push rod 8031 to perform linear motion in the vertical direction along the length direction of the rotary cylinder 8032, at this time, the pushing column on the push rod 8031 slides along the spiral groove formed on the rotary cylinder 8032, that is, the rotary cylinder 8032 is driven to perform rotary motion in the vertical direction, the rotary cylinder 8032 drives the rotary shaft 801 to perform rotary motion in the vertical direction through the belt pulley pair 8033, and the rotary shaft 801 realizes the technical effects of driving air flow to form wind force and blowing away floating dust on the surface of the PCB 7 by driving the fan blades 802 fixedly connected with the rotary shaft 801 to perform synchronous rotation.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a multi-port quick charge source of low-cost full compatibility and PCB board processingequipment thereof, includes power body and installs PCB board (7) on power body, four mounting holes (701) that are the rectangle and distribute have been seted up on PCB board (7), PCB board (7) are provided with the chamfer, its characterized in that still includes:
the circuit system is arranged on the PCB (7) and is used for controlling the DC/DC conversion circuit and communicating with a communication protocol of the electronic equipment;
the circuit system comprises a singlechip and an AC/DC converter, wherein the singlechip and the AC/DC converter are correspondingly arranged on a PCB (7), and the circuit system further comprises:
the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB (7); and
a first DC output, a second DC output and a third DC output which are electrically connected with the single chip microcomputer and correspondingly arranged on the PCB (7);
the AC/DC converter is correspondingly and electrically connected with the first DC output, the second DC output and the third DC output through the first DC/DC conversion circuit, the second DC/DC conversion circuit and the third DC/DC conversion circuit.
2. The utility model provides a PCB board processingequipment of many mouthfuls of quick charge power of low-cost full compatibility, its characterized in that includes bottom plate (1), first linear motion spare (2) fixed connection of bottom plate (1) and output fixedly connected with first mounting bracket (3), still includes:
the rack (4) is fixedly arranged on the bottom plate (1) and is used for bearing the PCB (7);
the polishing mechanism (5) is arranged on the first mounting frame (3) and is used for polishing the edge profile of the PCB (7); and
the pressing mechanism (6) is matched with the polishing mechanism (5) for use and is used for pressing and limiting the PCB (7) subjected to polishing treatment;
wherein, grinding machanism (5) include first motor (501) and mounting disc (502), first motor (501) fixed connection is on first mounting bracket (3), mounting disc (502) cover is established on first motor (501) and with first motor (501) fixed connection, still includes:
the polishing component (504) is connected with the mounting plate (502) through the connecting component (503) and is used for polishing the edge profile of the PCB (7); and
and the connecting component (503) is arranged on the mounting plate (502) and is used for connecting the polishing component (504) and pushing the polishing component (504) to move along the edge contour of the PCB (7).
3. The low-cost full-compatible multi-port quick-charge source and the PCB board processing device thereof according to claim 2, wherein the polishing assembly (504) comprises a polishing barrel (5041), a second motor (5042), a mounting sliding block (5043), a second linear motion piece (5044) and a bearing plate (5045), an output shaft of the second motor (5042) penetrates through the mounting sliding block (5043) and is in sliding fit with a first sliding groove formed in the mounting sliding block (5043), an output end of the second linear motion piece (5044) is fixedly connected to the second motor (5042), the other end of the second linear motion piece (5044) is fixedly connected with the mounting sliding block (5043), one end of the mounting sliding block (5043) extends to a first limiting groove formed in the first mounting frame (3), and the other end of the mounting sliding block (5043) extends to a second limiting groove formed in the bearing plate (5045), and the polishing barrel (5041) is fixedly connected to the output shaft of the second motor (5042).
4. The low-cost fully compatible multi-port quick charge source and its PCB processing apparatus as set forth in claim 3 wherein the first and second limiting grooves have a profile that is scaled up to the profile of the PCB (7).
5. The low-cost fully compatible multi-port quick charge source and its PCB processing apparatus according to claim 4, wherein the connection assembly (503) comprises a first rod body (5031), a second rod body (5032) and a connection block (5033), one end of the connection block (5033) extends into a second chute formed on the first rod body (5031) and slides with the second chute in a limited manner, the second rod body (5032) is fixedly connected with a second elastic member which is disposed in the second chute and is fixedly connected with the first rod body (5031), an end of the first rod body (5031) is hinged on the mounting disc (502), an end of the second rod body (5032) is hinged on the connection block (5033), and the connection block (5033) is fixedly connected with a hinge ball which is embedded in the mounting slider (5043) and is rotatably connected with the mounting slider (5043).
6. The low-cost fully-compatible multi-port quick charge source and a PCB processing device thereof according to claim 5, wherein the pressing mechanism (6) comprises a mounting box body (601), a pressing block (602) and a first spring (603), the mounting box body (601) is fixedly connected to the bearing plate (5045), one end of the pressing block (602) extends into the mounting box body (601) and slides in a limiting manner with the mounting box body (601), and the first spring (603) is arranged in the mounting box body (601) and fixedly connected with the mounting box body (601) and the pressing block (602).
7. The low-cost fully compatible multiple port quick charge source and PCB processing apparatus thereof of claim 6 further comprising a cleaning mechanism (8) for cleaning the surface of the PCB (7).
8. The low-cost fully compatible multi-port quick charge source and PCB board processing apparatus thereof according to claim 7, wherein the cleaning mechanism (8) comprises a rotating shaft (801) and a fan blade (802), the rotating shaft (801) is rotatably connected to the mounting hole (701), and the fan blade (802) is sleeved on the rotating shaft (801) and fixedly connected to the rotating shaft (801), and further comprises:
and the driving assembly (803) is arranged in the mounting hole (701) and is used for driving the rotating shaft (801) to perform rotation motion in the vertical direction.
9. The low-cost fully-compatible multi-port quick charge source and a PCB processing device thereof according to claim 8, wherein the driving assembly (803) comprises a push rod (8031), a rotary cylinder (8032) and a belt pulley pair (8033), the push rod (8031) is fixedly connected to the pressing block (602), one end of the push rod (8031) extends into the rotary cylinder (8032) and is in sliding fit with the rotary cylinder (8032), the rotary cylinder (8032) is rotationally connected with the mounting hole (701), a spiral groove which is in sliding fit with a pushing column fixedly connected to the end part of the push rod (8031) is formed in the rotary cylinder (8032), and the rotary cylinder (8032) is in transmission connection with the rotating shaft (801) through the belt pulley pair (8033).
10. The low-cost fully-compatible multi-port quick charge source and the PCB processing device thereof according to claim 9, wherein a limit post which is in sliding fit with a mounting hole (701) formed in a PCB (7) is fixedly connected to the rack (4).
CN202311793945.9A 2023-12-25 2023-12-25 Low-cost full-compatible multi-port quick charge source and PCB processing device thereof Pending CN117791787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311793945.9A CN117791787A (en) 2023-12-25 2023-12-25 Low-cost full-compatible multi-port quick charge source and PCB processing device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311793945.9A CN117791787A (en) 2023-12-25 2023-12-25 Low-cost full-compatible multi-port quick charge source and PCB processing device thereof

Publications (1)

Publication Number Publication Date
CN117791787A true CN117791787A (en) 2024-03-29

Family

ID=90384436

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311793945.9A Pending CN117791787A (en) 2023-12-25 2023-12-25 Low-cost full-compatible multi-port quick charge source and PCB processing device thereof

Country Status (1)

Country Link
CN (1) CN117791787A (en)

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