CN207251243U - A USB mobile phone charger - Google Patents

Abstract

The utility model discloses a USB mobile phone charger, its structure includes: first joint, voltage detection module, the display screen, the second connects, first cigar lighter, the second cigar lighter, the mounting panel, device casing, the movable rod, the buckle piece, control switch, the contact post, the spliced pole, resistance, the electronic board, binding post, control chip, electric capacity, the load terminal, binding post and load terminal are parallel to each other and fixed mounting is in the left and right sides of electronic board upper surface, electric capacity locates the central authorities of electronic board upper surface, resistance be located the place ahead of electric capacity and with electronic board fixed connection, control chip is connected with the upper surface electricity of electronic board, electronic board and mounting panel fixed connection, the beneficial effects of the utility model: after using voltage detection module on the charger, can reach and make the charger can carry out the demonstration of charging voltage to whether can know and charge under the circumstances of excessive pressure, can not make the cell-phone because of charging the purpose that unnecessary problem appears.

Description

A USB mobile phone charger

technical field

The utility model relates to a charger for a USB mobile phone, which belongs to the field of chargers.

Background technique

Charger, the English name Charger, usually refers to a device that converts alternating current into low-voltage direct current. Chargers are widely used in various fields, especially in the field of life, they are widely used in common electrical appliances such as mobile phones and cameras.

The prior art discloses a USB mobile phone charger with an application number of 201120498219.0, comprising: a regulated power supply and a USB interface; the regulated power supply is used to convert alternating current into positive 5V direct current; the described USB interface, For outputting a positive 5V voltage, it is characterized in that: the USB mobile phone charger also includes a rechargeable battery, the positive and negative poles of which are respectively connected to the output terminals of the regulated power supply. The USB mobile phone charger further includes a charging detection circuit for controlling whether to charge the charging circuit according to the output of the USB interface. The charging detection circuit is an intelligent integrated chip, which is used for controlling charging and discharging, circuit protection and energy saving in non-working state. The charging circuit of the rechargeable battery is also provided with a USB interface, which can be charged through a computer. The alternating current is 110-220V. The USB mobile phone charger of this utility model adds the design of the charging part, and can solve the emergency charging requirements of the mobile phone without an external AC power supply, but the existing technology cannot enable the charger to display the charging voltage, so it cannot Knowing whether to charge under the condition of overvoltage will cause unnecessary problems for the mobile phone due to charging.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a USB mobile phone charger to solve the problem that the charger cannot display the charging voltage, so that it is impossible to know whether it is charged under the condition of overvoltage, which will make the mobile phone Unnecessary problems occurred due to charging.

In order to achieve the above object, the utility model is achieved through the following technical solutions: a USB mobile phone charger, its structure includes: a first joint, a voltage detection module, a display screen, a second joint, a first cigarette lighter, a second Two cigarette lighters, a mounting plate, a device housing, a movable rod, a buckle block, a control switch, a contact column, and a connecting column, the mounting plate is fixedly installed on the front surface of the device housing, the first cigarette lighter and The second cigarette lighters are arranged parallel to each other from left to right above the front surface of the mounting plate and vertically embedded in the interior of the mounting plate, the first joint and the second joint are located below the first cigarette lighter and are movably installed on the front surface of the mounting plate In the center of the screen, the voltage detection module is arranged inside the installation board, the display screen and the lower part of the front surface of the installation board are an integrated structure, and the device housing is movably connected to the connecting column through the movable rod located below it.

The voltage detection module is provided with a resistor, an electronic board, a connection terminal, a control chip, a capacitor, and a load terminal. The connection terminal and the load terminal are parallel to each other and fixedly installed on the left and right sides of the upper surface of the electronic board. In the center of the upper surface of the electronic board, the resistor is located in front of the capacitor and fixedly connected to the electronic board, the control chip is electrically connected to the upper surface of the electronic board, and the electronic board is fixedly connected to the installation board.

Further, the control switch is arranged on the front surface of the connecting column.

Further, the control switch is movably installed on the left side of the connecting column.

Further, the contact post is fixedly installed on the lower surface of the connecting post.

Further, the first joint and the second joint are parallel to each other.

Further, the device casing is made of plastic material.

Further, the mounting plate is made of plastic material.

The beneficial effects of the utility model: after using the upper voltage detection module on the charger, the charger can display the charging voltage, so that it can be known whether it is charging under the condition of overvoltage, and the mobile phone will not appear due to charging. The purpose of unnecessary questions.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a schematic structural diagram of a USB mobile phone charger of the present invention.

Fig. 2 is a schematic structural diagram of the voltage detection module of the present invention.

In the figure: first connector-1, voltage detection module-2, display screen-3, second connector-4, first cigarette lighter-5, second cigarette lighter-6, mounting plate-7, device housing -8, movable rod-9, buckle block-10, control switch-11, contact column-12, connecting column-13, resistor-201, electronic board-202, terminal block-203, control chip-204, capacitor- 205, load terminal -206.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Please refer to Figure 1 and Figure 2, the utility model provides a USB mobile phone charger: its structure includes: a first joint 1, a voltage detection module 2, a display screen 3, a second joint 4, a first cigarette lighter 5, a second Two cigarette lighters 6, mounting plate 7, device housing 8, movable rod 9, buckle block 10, control switch 11, contact column 12, connecting column 13, and described mounting plate 7 is fixedly installed on the front of device housing 8 On the surface, the first cigarette lighter 5 and the second cigarette lighter 6 are arranged parallel to each other from left to right above the front surface of the mounting plate 7 and vertically embedded in the interior of the mounting plate 7, the first connector 1 and the second The connector 4 is located below the first cigarette lighter 5 and is movably installed in the center of the front surface of the mounting plate 7, the voltage detection module 2 is arranged inside the mounting plate 7, and the display screen 3 is connected to the bottom of the front surface of the mounting plate 7 As an integrated structure, the device housing 8 is movably connected with the connecting column 13 through the movable rod 9 located below it.

The voltage detection module 2 is provided with a resistor 201, an electronic board 202, a terminal 203, a control chip 204, a capacitor 205, and a load terminal 206. The terminal 203 and the load terminal 206 are parallel to each other and fixedly installed on the upper surface of the electronic board 202. On the left and right sides of the electronic board 202, the capacitor 205 is located in the center of the upper surface of the electronic board 202, the resistor 201 is located in front of the capacitor 205 and is fixedly connected to the electronic board 202, and the control chip 204 is electrically connected to the upper surface of the electronic board 202 , the electronic board 202 is fixedly connected to the mounting board 7, the control switch 11 is arranged on the front surface of the connecting column 13, the control switch 11 is movably installed on the left side of the connecting column 13, and the contact column 12 is fixedly installed On the lower surface of the connecting column 13, the first connector 1 and the second connector 4 are parallel to each other, the device housing 8 is made of plastic material, and the mounting plate 7 is made of plastic material.

The voltage detection module 2 described in the utility model is a statistical voltage monitoring module that continuously monitors and counts the voltage deviation caused by the slow change of the normal operating state of the power system.

When using the charger, first match the contact post 12 with the jack on the car, then use the USB cable to connect the first street 1 and the second connector 4 on the charger, and then connect the other end of the USB cable to mobile phone, so that the charging work can be started, and then the terminal 203 on the voltage detection module 2 is connected to the power supply and the load terminal is connected to the storage battery, so that the charger can display the charging voltage, so that it can be known whether it is in an overvoltage condition. The purpose of charging under the condition of high voltage will not cause unnecessary problems in the mobile phone due to charging.

The first joint 1 of the utility model, the voltage detection module 2, the display screen 3, the second joint 4, the first cigarette lighter 5, the second cigarette lighter 6, the mounting plate 7, the device housing 8, the movable rod 9, Buckle block 10, control switch 11, contact post 12, connection post 13, resistor 201, electronic board 202, connection terminal 203, control chip 204, capacitor 205, and load terminal 206 are all general standard parts or known to those skilled in the art The components, whose structure and principle can be known by the technicians through the technical manual or through conventional experimental methods, the problem solved by the utility model is that it is impossible to make the charger display the charging voltage, so it is impossible to know whether it is in an overvoltage condition. Charging the mobile phone under the condition of overvoltage will cause unnecessary problems due to charging. The utility model can realize the display of the charging voltage by the combination of the above-mentioned components, so that it can know whether it is under the condition of overvoltage The purpose of charging will not make the mobile phone unnecessary problems due to charging, as follows:

The connection terminal 203 and the load terminal 206 are parallel to each other and are fixedly installed on the left and right sides of the upper surface of the electronic board 202, the capacitor 205 is arranged in the center of the upper surface of the electronic board 202, and the resistor 201 is located in front of the capacitor 205 and connected to The electronic board 202 is fixedly connected, the control chip 204 is electrically connected to the upper surface of the electronic board 202 , and the electronic board 202 is fixedly connected to the installation board 7 .

The basic principles and main features of the utility model and the advantages of the utility model have been shown and described above. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the utility model The present utility model can be realized in other specific forms without the spirit or essential features. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. A USB mobile phone charger, its structure comprises: first connector (1), voltage detection module (2), display screen (3), second connector (4), first cigarette lighter (5), the first Two cigarette lighters (6), mounting plate (7), device housing (8), movable rod (9), buckle block (10), control switch (11), contact column (12), connecting column (13 ), the mounting plate (7) is fixedly installed on the front surface of the device housing (8), and the first cigarette lighter (5) and the second cigarette lighter (6) are arranged parallel to each other from left to right on the installation Above the front surface of the plate (7) and vertically embedded in the inside of the mounting plate (7), the first connector (1) and the second connector (4) are located below the first cigarette lighter (5) and are movably installed on the installation The center of the front surface of the board (7), the voltage detection module (2) is arranged inside the installation board (7), and the display screen (3) and the lower part of the front surface of the installation board (7) are an integrated structure, so The device housing (8) is movably connected with the connecting column (13) by a movable rod (9) located below it, and is characterized in that: The voltage detection module (2) is provided with a resistor (201), an electronic board (202), a connection terminal (203), a control chip (204), a capacitor (205), a load terminal (206), and the connection terminal (203 ) and the load terminal (206) are parallel to each other and fixedly installed on the left and right sides of the upper surface of the electronic board (202), the capacitor (205) is located in the center of the upper surface of the electronic board (202), and the resistor (201) is located at The front of the capacitor (205) is fixedly connected to the electronic board (202), the control chip (204) is electrically connected to the upper surface of the electronic board (202), and the electronic board (202) is fixedly connected to the mounting board (7) . 2. A USB mobile phone charger according to claim 1, characterized in that: the control switch (11) is arranged on the front surface of the connecting column (13). 3. A USB mobile phone charger according to claim 1, characterized in that: the control switch (11) is movably installed on the left side of the connecting column (13). 4. A USB mobile phone charger according to claim 1, characterized in that: the contact post (12) is fixedly installed on the lower surface of the connection post (13). 5. A USB mobile phone charger according to claim 1, characterized in that: the first joint (1) and the second joint (4) are parallel to each other.