CN110768327A

CN110768327A - Vehicle-mounted power bank

Info

Publication number: CN110768327A
Application number: CN201910972505.7A
Authority: CN
Inventors: 雷云; 张智锋; 欧阳明星
Original assignee: Shenzhen Carku Technology Co Ltd
Current assignee: Shenzhen Carku Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-02-07

Abstract

The invention provides a vehicle-mounted charger baby, which comprises a main circuit board, a vehicle charging plug and a charging interface which are electrically connected with the main circuit board, and a rechargeable battery which is electrically connected with the main circuit board; the vehicle charging plug is used for being inserted into a vehicle-mounted cigarette lighter jack so as to charge the rechargeable battery; the charging interface is used for being connected with an adaptive power supply and can also charge the rechargeable battery. The main circuit board is further provided with at least one power output interface, and the at least one power output interface is used for being connected with the mobile electronic equipment so as to supply power to the mobile electronic equipment. The vehicle-mounted charger baby can be charged in different modes, has the functions of a vehicle-mounted charger and the charger baby, and is wide in application occasions.

Description

Vehicle-mounted power bank

Technical Field

The invention relates to the technical field of charging, in particular to a vehicle-mounted charger.

Background

At present, a charger baby and a vehicle-mounted charger are widely applied to endurance charging of mobile electronic devices such as mobile phones and tablets. The charger baby can charge the mobile electronic device only by storing electricity in advance, however, the charger baby in the prior art can store electricity only by connecting a matched charger with a power supply, and if a user forgets to carry the charger, the charger baby cannot store electricity, and the mobile electronic device cannot be charged; in addition, the vehicle-mounted charger is generally only used in the automobile, and cannot continuously supply power to the mobile electronic equipment or the charger bank after being separated from the automobile, so that the use occasion is single, and the user experience is poor.

Disclosure of Invention

In view of this, the invention provides a vehicle-mounted power bank, which can be charged in different manners, has the functions of a vehicle-mounted charger and a power bank, and is widely used.

The invention provides a vehicle-mounted charger baby, which comprises a main circuit board, a vehicle charging plug and a charging interface which are electrically connected with the main circuit board, and a rechargeable battery which is electrically connected with the main circuit board; the vehicle charging plug is used for being inserted into a vehicle-mounted cigarette lighter jack so as to charge the rechargeable battery; the charging interface is used for being connected with an adaptive power supply and can also charge the rechargeable battery.

The main circuit board is further provided with at least one power output interface, and the at least one power output interface is used for being connected with the mobile electronic equipment so as to supply power to the mobile electronic equipment.

The vehicle-mounted charger baby provided by the invention is provided with the vehicle charging plug and the charging interface, the rechargeable battery can be charged in different modes, and the power can be supplied to the outside through the power output interface, so that the vehicle-mounted charger baby has the functions of a vehicle-mounted charger and a charger baby, and is wide in application occasions.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a vehicle-mounted power bank according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of another perspective view of the vehicle-mounted power bank in fig. 1.

Fig. 3 is an exploded schematic view of a partial structure of the in-vehicle power bank in fig. 1.

Fig. 4 is a further exploded schematic view of the in-vehicle power bank of fig. 3.

Fig. 5 is an exploded schematic view of the overall structure of the in-vehicle power pack in fig. 1.

Fig. 6 is an exploded schematic view of another perspective view of the in-vehicle power bank of fig. 5.

Fig. 7 is an exploded view of the vehicle-mounted power bank of fig. 5 from yet another perspective.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the invention provides a vehicle charger 100, which includes a main circuit board 10, a vehicle charging plug 20 and a charging interface 30 electrically connected to the main circuit board 10, and a rechargeable battery 40 electrically connected to the main circuit board 10. Specifically, the vehicle charging plug 20 is disposed at one end of the main circuit board 10, the charging interface 30 is disposed on the main circuit board 10, and the rechargeable battery 40 is disposed at the opposite end of the main circuit board 10. The vehicle charging plug 20 is used for being inserted into a vehicle cigarette lighter jack to realize vehicle charging of the rechargeable battery 40. The charging interface 30 is used for connecting an adaptive power supply and can also charge the rechargeable battery 40. The main circuit board 10 is further provided with at least one power output interface, and the at least one power output interface is used for connecting the mobile electronic device to supply power to the mobile electronic device.

When the vehicle charging plug 20 is inserted into the vehicle cigarette lighter jack, the vehicle-mounted charging bank 100 is electrically connected to a vehicle power supply, the vehicle power supply can store electricity for the rechargeable battery 40, and can also supply power for at least one mobile electronic device connected to at least one power output interface, that is, the vehicle-mounted charging bank 100 can be used as a vehicle-mounted charger for vehicle-mounted charging of the rechargeable battery 40 and the mobile electronic device.

The mobile electronic device includes, but is not limited to, a mobile phone, a tablet, and other common portable electronic devices.

It can be understood that, after the rechargeable battery 40 is charged by the vehicle or by connecting with an adaptive power supply, even if the vehicle charging plug 20 is not inserted into the cigarette lighter jack, the vehicle-mounted power bank 100 can also use the electric quantity stored in the rechargeable battery 40 to supply power to the mobile electronic device connected to the power output interface, that is, the vehicle-mounted power bank 100 can be used as a power bank without being limited to a vehicle, and the vehicle-mounted power bank 100 is not limited to be used in a vehicle, can be carried about, and has a wide application range.

The vehicle-mounted charger baby 100 provided by the invention is provided with the vehicle charging plug 20 and the charging interface 30, the rechargeable battery 40 can be charged in different modes, and the mobile electronic equipment can be powered through at least one power output interface, so that the vehicle-mounted charger baby 100 has the functions of a vehicle-mounted charger and a charger baby, and the use occasion is wide.

Specifically, referring to fig. 5 to 7, the charging interface 30 and the power output interface are both disposed at one end of the main circuit board 10 close to the rechargeable battery 40, the charging interface 30 is a USB charging interface, the power output interface is a USB output interface, the USB charging interface is disposed at one side of the main circuit board 10, and the USB output interface is disposed at the opposite side of the main circuit board 10.

The interface types of the USB charging interface include but are not limited to a Type-A interface, a Type-C interface, a Micro-USB interface and other interfaces. Specifically, in this embodiment, the interface 30 that charges adopts the Type-C interface that supports the quick charge for on-vehicle treasured 100 that charges can connect the adaptation power quick charge through the interface 30 that charges, and the Type-C interface is not divided positive and negative, can avoid pegging graft and appear inserting the problem of turning over in the plug on the interface 30 that charges.

In other embodiments, charging interface 30 may be a Micro-USB interface or a Type-A interface.

The charging interface 30 may also be used as a power output interface for charging the mobile electronic device connected to the charging interface 30.

Similarly, the interface Type of the USB output interface includes but is not limited to a Type-A interface, a Type-C interface, a Micro-USB interface, and the like. Preferably, in this embodiment, the power output interface is a most commonly used Type-a interface in USB output interfaces, the power output interface includes a first USB output interface 51 and a second USB output interface 52, and the first USB output interface 51 and the second USB output interface 52 are disposed on the same side of the main circuit board 10 in a back-to-back manner, so that the vehicle-mounted power bank 100 can simultaneously supply power to two mobile electronic devices. Further preferably, in this embodiment, the first USB output interface 51 is a common 5V/2A output interface, and is used for supplying power to a mobile electronic device with an input voltage of 5V; the second USB output interface 52 is a QC fast charging port compatible with the mainstream fast charging protocol, and is used to supply power to the mobile electronic device with the fast charging function.

In other embodiments, the first USB output interface 51 and the second USB output interface 52 may be both 5V/2A output interfaces, or both QC fast charging interfaces.

In other embodiments, the number of power output interfaces may be 1, 3, or other numbers as appropriate.

In this embodiment, the charging interface 30 and the power output interface are respectively disposed on two opposite sides of the main circuit board 10, and the two power output interfaces (i.e., the first USB output interface 51 and the second USB output interface 52) are disposed on the same side of the main circuit board 10 in a reverse manner, so that the interfaces are reasonable in layout, compact in structure, and small in occupied space, and are beneficial to reducing the size of the vehicle-mounted power bank 100.

Referring to fig. 5, the vehicle charging plug 20 includes a vehicle charging tube 21, and a positive electrode 22 and a negative electrode 23 disposed on the vehicle charging tube 21, wherein the positive electrode 22 and the negative electrode 23 are respectively electrically connected to the main circuit board 10.

Specifically, the vehicle charging cannula 21 includes a cannula body 211, an end cap 212 disposed at an end of the cannula body 211 away from the main circuit board 10, and a snap ring 213 disposed at an end of the cannula body 211 close to the main circuit board 10. Wherein, the tube body of the cannula main body 211 is axially symmetrically provided with a pair of through holes 214; a stud 215 is convexly arranged on one side, away from the cannula main body 211, of the end cover 212, and a through hole 216 communicated with the lumen of the cannula main body 211 is axially formed in the end cover 212; an annular groove (not shown) is formed on the inner wall of the engaging ring 213, and a connecting portion 217 is disposed at an end of the engaging ring 213 away from the cannula body 211. In this embodiment, the end cap 212 and the cannula body 211 are non-integrated and detachably connected to each other, and the engaging ring 213 and the cannula body 211 are integrated.

In other embodiments, the end cap 212 may be integral with the cannula body 211, and the snap ring 213 may be non-integral with the cannula body 211 and removably attached to the cannula body 211.

In other embodiments, the cannula body 211, the end cap 212, and the snap ring 213 may be a unitary structure.

The detachable connection of the end cap 212 and the snap ring 213 with the cannula body 211 includes, but is not limited to, a screw connection and a snap connection.

The positive electrode 22 is disposed at an end of the charging insertion tube 21 away from the main circuit board 10, in this embodiment, the positive electrode 22 is a metal cone cap screwed on the stud 215, and the metal cone cap is electrically connected to the main circuit board 10 through a wire (not shown) passing through the through hole 216 and the lumen of the insertion tube body 211.

In other embodiments, the positive electrode 22 may be a metal contact that is disposed through the through hole 216 and electrically connected to the main circuit board 10 through a conductive spring, and the metal contact may telescope within the through hole 216.

The negative electrode 23 is a metal elastic sheet disposed in the lumen of the vehicle charging insertion tube 21 and partially exposed out of the outer wall surface of the vehicle charging insertion tube 21, and the metal elastic sheet is electrically connected to the main circuit board 10 through a wire (not shown). In this embodiment, the metal spring is a semicircular spring, two opposite ends of the semicircular spring are respectively provided with a hemispherical contact, the semicircular spring is disposed in the lumen of the insertion tube main body 211 and tightly attached to the inner wall of the insertion tube main body 211 under the elastic action of the semicircular spring, and each hemispherical contact is exposed from the corresponding through hole 214.

In other embodiments, the negative electrode 23 may be a pair of bar-shaped elastic pieces extending along the axial direction of the vehicle charging plug 21, one end of each bar-shaped elastic piece close to the main circuit board 10 is electrically connected to the main circuit board 10 by welding, one end of each bar-shaped elastic piece far from the main circuit board 10 is expanded outwards, and one end of each bar-shaped elastic piece expanded outwards is provided with a conductive contact protruding and exposed from the corresponding through hole 214.

When the vehicle charging plug 20 is inserted into the vehicle-mounted cigarette lighter jack, the positive electrode 22 is connected with the positive electrode at the bottom of the vehicle-mounted cigarette lighter jack, and the negative electrode 23 is connected with the negative electrode on the inner wall of the vehicle-mounted cigarette lighter jack, so that the vehicle-mounted charging treasure 100 is electrically connected to a vehicle power supply to realize vehicle-mounted charging.

Referring to fig. 5 to 7, the vehicle-mounted charger 100 further includes a housing, the vehicle charging plug 20 is detachably connected to the housing, the main circuit board 10 and the rechargeable battery 40 are disposed in the housing, and the vehicle charging plug 20, the main circuit board 10 and the rechargeable battery 40 are sequentially arranged along a length direction of the housing.

Specifically, the housing includes a first inner housing 61 and a second inner housing 62 covering the first inner housing 61. The first inner case 61 includes a battery mounting groove 611, a first mounting frame 612 disposed at an end of the battery mounting groove 611 close to the vehicle charging plug 20, and a second mounting frame 613 disposed at an end of the battery mounting groove 611 far from the vehicle charging plug 20. A first positioning rib 614 is disposed between the battery mounting groove 611 and the first mounting frame 612, a clamping groove 615 is disposed between the battery mounting groove 611 and the second mounting frame 613, and a strip-shaped through groove 6113 is axially disposed in the battery mounting groove 611 between the first positioning rib 614 and the clamping groove 615, so as to reduce the weight of the first inner shell 61. The first mounting frame 612 is provided with connecting columns 6122 at four opposite corners, each connecting column 6122 is axially provided with a locking hole, two opposite upright columns are arranged between the two connecting columns 6122 close to the first positioning ribs 614, and a first positioning groove 6121 is formed between the two opposite upright columns. A second positioning rib 616 is arranged at one end of the first mounting frame 612 far away from the battery mounting groove 611, two opposite convex blocks are arranged on the second positioning rib 616, a second positioning groove 6162 is formed between the two opposite convex blocks, and a connecting line of the first positioning groove 6121 and the second positioning groove 6162 is parallel to the axis of the first inner shell 61. An elastic first engaging piece 617 is further convexly arranged at one end of the first mounting frame 612, which is far away from the battery mounting groove 611, the first engaging piece 617 is in a semi-circular shape, and a first hook portion 6171 is convexly arranged on an outer wall surface of one end of the first engaging piece 617, which is far away from the first mounting frame 612. A stop ring 618 protruding from the first inner shell 61 is disposed at an end of the second mounting frame 613 away from the battery mounting groove 611, and a circle of inner steps are disposed at a side of the stop ring 618 facing the second mounting frame 613. Further, the outer wall of the first inner shell 61 is provided with two openings corresponding to the first mounting frame 612 in the region for the charging interface 30 and the first USB output interface 51 to leak, the outer wall of the first inner shell 61 is further provided with a first receiving groove 619 along the axial direction, and the first receiving groove 619 extends from one end of the first inner shell 61 to the other end.

As shown in fig. 5 to 7, the second inner housing 62 includes a first connecting frame 622, and the first connecting frame 622 is used for covering the first mounting frame 612 of the first inner housing 61. The first connecting frame 622 is provided with two connecting posts 6222 at two opposite diagonal positions, the outer wall of the second inner housing 62 is provided with two connecting ports 6224 corresponding to the two connecting posts 6222, and each connecting post 6222 is axially provided with a through hole penetrating to the corresponding connecting port 6224. The first connecting frame 622 is provided with two positioning posts 6226 at two opposite diagonal positions, respectively. One end of the first connecting frame 622, which is far away from the vehicle charging plug 20, is provided with a third positioning rib 623, the third positioning rib 623 corresponds to the first positioning rib 614, two opposite upright columns are arranged between a connecting column 6222 and a positioning column 6226, which are close to the third positioning rib 623, a third positioning groove 6231 is formed between the two opposite upright columns, and the third positioning groove 6231 corresponds to the first positioning groove 6121. One end of the first connecting frame 622, which is close to the vehicle charging plug 20, is provided with a fourth positioning rib 624, the fourth positioning rib 624 corresponds to the second positioning rib 616, the fourth positioning rib 624 is provided with two opposite convex blocks, a fourth positioning groove 6242 is formed between the two opposite convex blocks, and the fourth positioning groove 6242 corresponds to the second positioning groove 6162. Similarly, the second engaging piece 625 is semi-circular and has a second hook portion 6252 protruding from the outer wall surface of the end of the second engaging piece 625 away from the first connecting frame 622, wherein the end of the first connecting frame 622 close to the vehicle charging plug 20 is also provided with a second elastic engaging piece 625, the second engaging piece 625 corresponds to the first engaging piece 617. Further, the outer wall of the second inner case 62 is correspondingly provided with an opening for the second USB output interface 52 to leak outside in the area of the first connection frame 622, a key cap 626 and a light hole 627 are further disposed on one side of the opening, and the key cap 626 is a spring-loaded key cap integrated with the second inner case 62. The outer wall of the second inner housing 62 is further provided with a second receiving groove 628 along the axial direction, and the second receiving groove 628 extends from one end of the second inner housing 62 to the other end.

Referring to fig. 3 to 5, the main circuit board 10 is mounted in a receiving space formed by the first inner housing 61 and the second inner housing 62. Specifically, the main circuit board 10 is substantially rectangular, the width of one end of the main circuit board 10 close to the rechargeable battery 40 (i.e., the dimension in the direction perpendicular to the axial lead of the main circuit board 10) is greater than the width of one end of the main circuit board 10 far from the rechargeable battery 40, and a step-shaped stopping portion 15 is formed at the middle position of each of two opposite long sides of the main circuit board 10. The long side edge of the main circuit board 10 close to the charging interface 30 is inserted into the first positioning groove 6121 and the second positioning groove 6162 of the first mounting frame 612, the stopping portion 15 on the long side edge abuts against one side of the second positioning rib 616 facing the first mounting frame 612, and one end of the main circuit board 10 close to the rechargeable battery 40 abuts against one side of the first positioning rib 614 facing the first mounting frame 612; when the second inner case 62 is covered on the first inner case 61, the long side of the main circuit board 10 away from the charging interface 30 is inserted into the third positioning slot 6231 and the fourth positioning slot 6242 of the first connecting frame 622, the stopping portion 15 on the long side abuts against one side of the fourth positioning rib 624 facing the first connecting frame 622, one end of the main circuit board 10 close to the rechargeable battery 40 abuts against one side of the third positioning rib 623 facing the first mounting frame 622, at this time, the end of the main circuit board 10 close to the rechargeable battery 40, that is, the end provided with the charging interface 30 and the power output interface, is fixedly mounted in the receiving space formed by covering the first mounting frame 612 and the first connecting frame 622, and the end of the main circuit board 10 away from the rechargeable battery 40 extends out of the receiving space.

When the second inner housing 62 is covered on the first inner housing 61, the two positioning posts 6226 of the first connecting frame 622 are correspondingly inserted into the locking holes of the connecting posts 6122 at two opposite diagonal positions of the first mounting frame 612, the through holes of the two connecting posts 6222 of the first connecting frame 622 are communicated with the locking holes of the connecting posts 6122 at the other two opposite diagonal positions of the first mounting frame 612, two screws respectively pass through the corresponding through holes from the two connecting ports 6224 on the outer wall of the second inner housing 62 and are in threaded connection with the locking holes communicated with the through holes, and the second inner housing 62 is fixed with the first housing 61.

The ports of the charging interface 30, the first USB output interface 51 and the second USB output interface 52 are opposite to the openings of the first inner shell 61 and the second inner shell 62. Preferably, in this embodiment, at least one positioning piece is convexly disposed on one side of each opening of the inner walls of the first inner shell 61 and the second inner shell 62, which is far away from the main circuit board 10, and the port corresponding to each opening is located between the main circuit board 10 and the at least one positioning piece, so as to prevent the port from shaking when the plug is repeatedly plugged into the port.

Referring to fig. 3 and fig. 4, the vehicle charging plug 20 is sleeved on the ends of the first inner shell 61 and the second inner shell 62 far away from the rechargeable battery 40, the first engaging piece 617 and the second engaging piece 625 with elasticity are clamped into the engaging ring 213 of the vehicle charging plug 20, the first engaging portion 6171 and the second engaging portion 6252 are correspondingly clamped into the ring groove of the inner wall of the engaging ring 213, the vehicle charging plug 20 is detachably engaged with the ends of the first inner shell 61 and the second inner shell 62 far away from the rechargeable battery 40, and the end of the main circuit board 10 far away from the rechargeable battery 40 is accommodated in the tube cavity of the vehicle charging insertion tube 21. Preferably, in this embodiment, a plurality of positioning blocks are protruded from the first engaging piece 617 and the second engaging piece 625, a plurality of corresponding notches are formed at the end of the connecting portion 217 of the engaging ring 213, and the positioning blocks can be inserted into the corresponding notches to prevent the vehicle charging plug 20 sleeved on the first inner housing 61 and the second inner housing 62 from rotating.

As shown in fig. 3 to 5, the rechargeable battery 40 is mounted in the battery mounting groove 611, and the rechargeable battery 40 is electrically connected to the main circuit board 10, so that charging is performed through the charging plug 20 or the charging interface 30 electrically connected to the main circuit board 10. Preferably, in the present embodiment, a protection circuit board 70 is electrically connected between the main circuit board 10 and the rechargeable battery 40 to protect the rechargeable battery 40. In this embodiment, the protection circuit board 70 is adhesively fixed to the end portion of the rechargeable battery 40 close to the end of the main circuit board 10, and the rechargeable battery 40, the protection circuit board 70 and the main circuit board 10 are electrically connected through the conductive nickel sheet 45. The protection circuit board 70 is used for voltage detection, discharge current and charge current control of the rechargeable battery 40, and when the voltage of the rechargeable battery 40 is lowered to a certain value, the protection circuit board 70 can turn off the output voltage of the rechargeable battery 40, thereby protecting the rechargeable battery 40 from over-discharge and prolonging the service life of the rechargeable battery 40. During the charging process, after the voltage of the rechargeable battery 40 reaches a certain value, the protection circuit board 70 closes the charging loop to protect the rechargeable battery 40 from being damaged by an excessive voltage. Meanwhile, the protection circuit board 70 provides an output signal pin so that the main circuit board 10 can recognize the state of the rechargeable battery 40, for example, the states of charging, full charge, insufficient charge, etc.

As shown in fig. 5, the main circuit board 10 is further provided with a switch button 80 for controlling the vehicle-mounted power bank 100 to charge the mobile electronic device, and an indicator light (not shown) for indicating the amount of electricity of the rechargeable battery 40. Specifically, in the present embodiment, the switch button 80 and the charging interface 30 are disposed on the same side of the main circuit board 10 opposite to each other and correspond to the key cap 626 on the second inner case 62, and the switch button 80 can be triggered by pressing and releasing the key cap 626, so as to control the vehicle-mounted power bank 100. The indicator corresponds to the position of the light-transmitting hole on the second inner case 62, and after the main circuit board 10 identifies the state of the rechargeable battery 40 according to the output signal of the protection circuit board 70, the main circuit board 10 can control the indicator to emit light to prompt the user of the state of the rechargeable battery 40, for example, in the charging process, if the light of the indicator regularly flickers, it indicates that the rechargeable battery 40 is in charging, and if the light of the indicator is normally on, it indicates that the electric quantity of the rechargeable battery 40 is fully charged; when the vehicle-mounted power bank 100 charges the mobile electronic device, if the light of the indicator light regularly flickers, the electric quantity of the rechargeable battery 40 is insufficient, and a user is reminded of charging the vehicle-mounted power bank 100 in time. In this embodiment, the indicator light is an LED light.

Further, as shown in fig. 3 and 4, in the present embodiment, an illumination lamp 90 is disposed in the second mounting frame 613. The illuminating lamp 90 includes an LED lamp (not shown), a light-gathering cover covering the periphery of the LED lamp, and a transparent cover plate covering the end of the light-gathering cover, and the transparent cover plate is embedded into the inner step of the baffle ring 618 facing one side of the second mounting frame 613. Further, an extension circuit board 95 is disposed in the clamping groove 615 between the second mounting frame 613 and the battery mounting groove 611, the extension circuit board 95 is electrically connected to the main circuit board 10 and the rechargeable battery 40 through a wire (not shown), the LED lamp is disposed on a side of the extension circuit board 95 facing the second mounting frame 613 and electrically connected to the extension circuit board 95, and the main circuit board 10 controls the LED lamp to emit light through the extension circuit board 95 for illumination. Specifically, in this embodiment, the user can press the switch button 80 for 3 seconds, and the main circuit board 10 can control the illuminating lamp 90 to emit light.

In other embodiments, the second mounting frame 613 may be used to provide a charging chamber, which is electrically connected to the main circuit board 10 and the rechargeable battery 40, respectively, for charging the bluetooth headset. The storehouse of charging is including the earphone seat that supplies the gomphosis of bluetooth headset, the electricity connect in extension circuit board 95 and wear out the probe that charges of earphone seat to and be used for the closing cap to keep off the end cover of ring, the concrete structure in storehouse of charging is similar with the storehouse structure of charging among the prior art, and the here is not repeated.

Further, as shown in fig. 2 and 3, the housing further includes an outer casing 63 sleeved outside the first inner casing 61 and the second inner casing 62, and the outer casing 63 is used for protecting the rechargeable battery 40 and the illuminating lamp 90 which are not covered by the second inner casing 62. Specifically, the housing 63 is a hollow tube, and one end of the housing 63 near the vehicle charging plug 20 is correspondingly provided with a plurality of square holes (not shown) for the charging interface 30, the power output interface and the keycap 626 to leak, and a through hole (not shown) corresponding to the light hole 625. The inner wall of the outer shell 63 is provided with a first positioning bar 631 and a second positioning bar 632 in a protruding manner along the axial direction, the first positioning bar 631 corresponds to the first receiving groove 619 of the first inner shell 61, and the second positioning bar 632 corresponds to the second receiving groove 628 of the second inner shell 62. When the outer shell 63 is sleeved on the outer portions of the first inner shell 61 and the second inner shell 62 which are covered, the end portion of the outer shell 63 close to one end of the vehicle charging plug 20 is clamped on the outer portion of the connecting portion 217, the first positioning strip 631 and the second positioning strip 632 are respectively clamped in the first accommodating groove 619 and the second accommodating groove 628, and the outer shell 63 is clamped and fixed.

Wherein, optionally, the outer wall of shell 63 can set up anti-skidding structures such as anti-skidding line to the user snatchs on-vehicle treasured 100 that charges.

As described above, in the present invention, by providing the vehicle charging plug 20 and the charging interface 30, the vehicle-mounted power bank 100 can charge the rechargeable battery 40 in different manners, and by providing at least one power output interface, power can be supplied to the mobile electronic device, so that the vehicle-mounted power bank 100 has the functions of both the vehicle-mounted charger and the power bank, and can be used inside or outside the vehicle, and the usage occasions are no longer single; moreover, each component of the vehicle-mounted power bank 100 is reasonable in layout, compact in structure and small in occupied space, so that the vehicle-mounted power bank 100 is small in size and convenient to carry; in addition, the metal awl cap 22 of the precious 100 tip of on-vehicle charging passes through the spiro union fixed, and the user can use the precious 100 of on-vehicle charging as emergent hammer, and the precious 100 of on-vehicle charging still has the illumination function, and convenient to use, function are various.

In other embodiments, on-vehicle treasured 100 that charges can set up the charging wire of one or more area charging plug, it is specific, the one end electricity of charging wire is connected in main circuit board 10, the other end of charging wire area charging plug is worn out in shell 63, the surface of shell 63 sets up the wire casing and is linked together and the accepting groove of one-to-one with the wire casing, the flexible line body card of charging wire is gone into in the corresponding wire casing, the charging plug of charging wire can be accepted in the accepting groove that corresponds with inserting, on-vehicle treasured 100 that charges is from taking the charging wire, can convenience of customers uses, and the charging wire can be accomodate in wire casing and accepting groove, can not influence on-vehicle precious 100's that charges whole aesthetic property.

The foregoing is illustrative of embodiments of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the embodiments of the present invention and are intended to be within the scope of the present invention.

Claims

1. A vehicle-mounted charger baby is characterized by comprising a main circuit board, a vehicle charging plug and a charging interface which are electrically connected with the main circuit board, and a rechargeable battery which is electrically connected with the main circuit board; the vehicle charging plug is used for being inserted into a vehicle-mounted cigarette lighter jack so as to charge the rechargeable battery; the charging interface is used for being connected with an adaptive power supply and can also charge the rechargeable battery.

2. The vehicle-mounted power bank according to claim 1, wherein the vehicle charging plug is arranged at one end of the main circuit board, and the rechargeable battery is arranged at the other end opposite to the main circuit board; the charging interface is a USB charging interface which is arranged on one side of the main circuit board; the main circuit board is provided with at least one power output interface, at least one power output interface is a USB output interface, and the USB output interface is arranged on the other side opposite to the main circuit board.

3. The vehicle-mounted power bank according to claim 2, wherein the power output interface comprises a first USB output interface and a second USB output interface, and the first USB output interface and the second USB output interface are arranged on the same side of the main circuit board in a reverse manner.

4. The vehicle-mounted power bank according to claim 1, wherein the vehicle charging plug comprises a vehicle charging insertion tube, and a positive electrode conductive electrode and a negative electrode conductive electrode which are arranged on the vehicle charging insertion tube, and the positive electrode conductive electrode and the negative electrode conductive electrode are respectively electrically connected to the main circuit board.

5. The vehicle-mounted power bank according to claim 4, wherein the positive conductive electrode is arranged at one end of the vehicle charging insertion tube far away from the main circuit board, and the positive conductive electrode is a metal conical cap or a telescopic metal contact; the negative electrode conducting electrode is arranged in the tube cavity of the vehicle charging insertion tube and is partially exposed out of the outer wall of the vehicle charging insertion tube, and the negative electrode conducting electrode is a metal elastic sheet.

6. The vehicle-mounted power bank according to claim 1, wherein the vehicle-mounted power bank further comprises a housing, the vehicle charging plug is detachably connected with the housing, the main circuit board and the rechargeable battery are disposed in the housing, and the vehicle charging plug, the main circuit board and the rechargeable battery are arranged along a length direction of the housing.

7. The vehicle-mounted power bank according to claim 6, wherein a protection circuit board is disposed in the housing between the main circuit board and the rechargeable battery, and the protection circuit board is electrically connected to the rechargeable battery and the main circuit board respectively to protect the rechargeable battery.

8. The vehicle-mounted power bank according to claim 6, wherein the housing includes a first inner housing, a second inner housing engaged with the first inner housing, and an outer housing sleeved outside the first inner housing and the second inner housing, and the main circuit board is disposed between the first inner housing and the second inner housing.

9. The vehicle-mounted power bank according to claim 6, wherein an illuminating lamp or a charging bin is arranged at one end of the housing, which is far away from the vehicle charging plug, and the illuminating lamp or the charging bin is electrically connected to the main circuit board and the rechargeable battery.

10. The vehicle-mounted power bank according to claim 8, further comprising at least one charging wire with a charging plug, wherein one end of the at least one charging wire is electrically connected to the main circuit board, the charging plug at the other end opposite to the at least one charging wire penetrates through the housing, the surface of the housing is provided with at least one wire passing groove and at least one accommodating groove which is communicated with the at least one wire passing groove and is arranged in a one-to-one correspondence manner, the flexible wire of the at least one charging wire is clamped into the corresponding at least one wire passing groove, and the charging plug of the at least one charging wire is accommodated in the corresponding at least one accommodating groove in a pluggable manner.