CN210629160U - Vehicle-mounted mobile phone charger with protection function - Google Patents

Abstract

The utility model discloses an on-vehicle cell-phone charger with protect function, including charging socket and protection circuit, protection circuit's output passes through the wire and is connected with charging socket's input, charging socket's inner wall is provided with the dust board, protection circuit includes high voltage protection circuit, low voltage detection circuit, operation control circuit and supplementary circuit, low voltage detection circuit's output and operation control circuit's input are connected, the movable groove has all been seted up to the double-phase inner wall of keeping away from of charging socket, the inner wall in movable groove is fixed with the pivot, the torsional spring has been cup jointed to the outer wall of pivot, cup joint the outer wall in the pivot in one side of dust board, the both ends of torsional spring are fixed in the outer wall of pivot and the side of dust board respectively, the dust board includes the long board of keeping off dust and keeps off the dirt short slab, the long board of keeping off dust is established in one side that. Through the cooperation use of above each device, can avoid on-vehicle charging interface to produce the maloperation to the charged state easily to and prevent charging socket laying dust.

Description

Vehicle-mounted mobile phone charger with protection function

Technical Field

The utility model relates to a vehicle-mounted charging correlation technique field specifically is a vehicle mobile phone charger with protect function.

Background

At present, a mobile phone charger used on an automobile, a motorcycle and an engineering vehicle only adopts a special vehicle charging IC to complete a circuit, and a vehicle-mounted mobile phone charger completed by the circuit only adopts the special vehicle charging IC is limited in maximum voltage (the maximum voltage is only 40-45V), the maximum voltage of the vehicle indicated by a relevant vehicle standard ISO16750-2-2010 reaches 150V (12V system) or 202V (24V system), when the vehicle is started, the system voltage is reduced to 5V, the minimum input requirement of the mobile phone charger cannot be met in the state, if output protection is not carried out, the problem of misoperation of a charging state of the mobile phone is caused, and a general mobile phone charger is only suitable for one voltage system (12V system or 24V system), and the adaptability is not high.

The existing charging socket does not have a dustproof function, the situation of poor contact is easily caused, and the charging efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle cell-phone charger with protect function to solve the current on-vehicle interface of charging that proposes among the above-mentioned background art and produce the maloperation to the charged state easily, and the problem of the easy laying dust of current charging socket.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an on-vehicle cell-phone charger with protect function, includes charging socket and protection circuit, protection circuit's output passes through the wire and is connected with charging socket's input, charging socket's inner wall is provided with the dust board.

Preferably, the protection circuit comprises a high-voltage protection circuit, a low-voltage detection circuit, an operation control circuit and a supplement circuit, and the output end of the low-voltage detection circuit is connected with the input end of the operation control circuit.

Preferably, the double-phase inner wall of keeping away from of charging socket has all been seted up movable groove, the inner wall in movable groove is fixed with the pivot, the outer wall of pivot has cup jointed the torsional spring, one side of dust board cup joints the outer wall at the pivot, the both ends of torsional spring are fixed in the outer wall of pivot and the side of dust board respectively.

Preferably, the dust board includes the long board of dust board and keeps off the dirt short slab, the long board of dust board is established in the one side that the touch panel was kept away from to the socket that charges, the short slab of dust board is established in the one side that the socket that charges is close to the touch panel.

Preferably, the size of the movable groove is matched with that of a dust baffle, and one side of the dust baffle, which is far away from one end of the rotating shaft and close to the inside of the charging socket, is provided with a wedge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, can realize overvoltage protection and low-voltage protection function through protection circuit, can not influence the charged state to the cell-phone when the vehicle starts, promote the suitability of on-vehicle charger to protection circuit has increased overvoltage protection, and low-voltage detection adopts the wide dizzy sun-sun control circuit of adaptation voltage range, thereby effectively protects the cell-phone when charging, does not receive the influence of vehicle voltage fluctuation and damages.

2. The utility model discloses, can realize charging socket sealed to outside through the dust board, the condition of laying dust can not appear after long-time the use, can keep whole charging circuit at stable state constantly to can save the time that is used for clearing up charging socket.

Drawings

Fig. 1 is a schematic diagram of a protection circuit according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a charging socket according to an embodiment of the present invention.

In the figure: 1. a charging jack; 2. a protection circuit; 21. a high voltage protection circuit; 22. a low voltage detection circuit; 23. an arithmetic control circuit; 231. a single chip microcomputer; 24. a flash circuit; 3. a dust guard; 31. a dust-blocking long plate; 32. a dust-blocking short plate; 4. a movable groove; 5. a rotating shaft; 6. a torsion spring.

Detailed Description

In order to avoid that the vehicle-mounted charging interface is easy to generate misoperation on the charging state and prevent dust accumulation of the charging interface, the vehicle-mounted mobile phone charger with the protection function is particularly provided. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present embodiment provides a vehicle-mounted mobile phone charger with a protection function, including a charging socket 1 and a protection circuit 2, an output end of the protection circuit 2 is connected to an input end of the charging socket 1 through a wire, and an inner wall of the charging socket 1 is provided with a dust guard 3.

The protection circuit 2 includes a high-voltage protection circuit 21, a low-voltage detection circuit 22, an arithmetic control circuit 23, and a flash circuit 24, and an output terminal of the low-voltage detection circuit 22 is connected to an input terminal of the arithmetic control circuit 23.

The double-phase inner wall of keeping away from of charging socket 1 has all been seted up movable groove 4, and the inner wall of movable groove 4 is fixed with pivot 5, and the outer wall of pivot 5 has cup jointed torsional spring 6, and one side of dust board 3 cup joints the outer wall at pivot 5, and the both ends of torsional spring 6 are fixed in the outer wall of pivot 5 and the side of dust board 3 respectively.

The dust guard 3 comprises a long dust guard 31 and a short dust guard 32, the long dust guard 31 is arranged on one side of the charging socket 1 far away from the touch panel, and the short dust guard 32 is arranged on one side of the charging socket 1 close to the touch panel.

The size of the movable groove 4 is matched with that of the dust baffle plate 3, and one side of the dust baffle plate 3, which is far away from one end of the rotating shaft 5 and is close to the inside of the charging socket 1, is designed to be wedge-shaped.

In this embodiment, when the portable electronic device is used, the in-vehicle circuit serves as an input voltage and supplies power to the high-voltage protection circuit 21, the low-voltage detection circuit 22 and the high-voltage protection circuit 21 share one input trunk, the output end of the low-voltage detection circuit 22 is connected to the input end of the operation control circuit 23 with the core of the single chip 231, the output end of the high-voltage protection circuit 21 is connected to the input end of the operation control circuit 23, the output end of the operation control circuit 23 is connected to the charging socket 1 for charging the mobile phone, and the output end of the operation control circuit 23 is further connected to the flash circuit 24, so that the charging state can be expressed more intuitively.

During the use, handheld USB data line that charges inserts charging socket 1, when inserting, the tip extrusion dust board 3 of charging the USB data line, the long board 31 of dust board and the short board 32 of dust board atress simultaneously and use pivot 5 to deflect for the inside of axial activity groove 4, and insert completely with charging socket 1 until the USB data line that charges, this in-process torsional spring 6 is last do all can, after the completion of charging, extract charging socket 1 with the USB data line that charges, under torsional spring 6's effect, the long board 31 of dust board and the short board 32 of dust board deflect towards charging socket 1's tip simultaneously, and realize sealedly towards charging socket 1 outside.

Through the cooperation use of above each device, can avoid on-vehicle charging interface to produce the maloperation to the charged state easily to and prevent charging socket 1 laying dust.

The model of the singlechip 231 used by the operation control circuit 23 is XL4001E 1.

Example 2

Referring to fig. 1, a further improvement is made on the basis of embodiment 1: movable groove 4 has all been seted up to the double-phase inner wall of keeping away from of charging socket 1, movable groove 4's inner wall is fixed with pivot 5, torsion spring 6 has been cup jointed to pivot 5's outer wall, one side of dust board 3 cup joints the outer wall at pivot 5, torsion spring 6's both ends are fixed respectively in pivot 5's outer wall and dust board 3's side, can realize charging socket 1 through dust board 3 to outside sealed, the condition of laying dust can not appear after long-time the use, can keep whole charging circuit at stable state constantly, and can save the time that is used for clearing up charging socket 1.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an on-vehicle cell-phone charger with protect function, includes charging socket (1) and protection circuit (2), its characterized in that: the output end of the protection circuit (2) is connected with the input end of the charging socket (1) through a wire, and the inner wall of the charging socket (1) is provided with a dust baffle plate (3).

2. The vehicle-mounted mobile phone charger with the protection function according to claim 1, wherein: the protection circuit (2) comprises a high-voltage protection circuit (21), a low-voltage detection circuit (22) and an operation control circuit (23), wherein the output end of the low-voltage detection circuit (22) is connected with the input end of the operation control circuit (23).

3. The vehicle-mounted mobile phone charger with the protection function according to claim 1, wherein: movable groove (4) have all been seted up to the double-phase inner wall of keeping away from of charging socket (1), the inner wall of movable groove (4) is fixed with pivot (5), torsional spring (6) have been cup jointed to the outer wall of pivot (5), cup joint the outer wall in pivot (5) in one side of fender dirt board (3), the both ends of torsional spring (6) are fixed in the outer wall of pivot (5) and the side of fender dirt board (3) respectively.

4. The vehicle-mounted mobile phone charger with the protection function according to claim 3, wherein: dust board (3) are including keeping off dirt long slab (31) and keep off dirt short slab (32), keep off dirt long slab (31) and establish the one side of keeping away from the touch panel in charging socket (1), keep off dirt short slab (32) and establish the one side that is close to the touch panel in charging socket (1).

5. The vehicle-mounted mobile phone charger with the protection function according to claim 4, wherein: the size of the movable groove (4) is matched with the dust guard plate (3), and one end, far away from the rotating shaft (5), of the dust guard plate (3) and one side, close to the interior of the charging socket (1), of the dust guard plate are wedge-shaped.

Images