TWI740364B - Vehicle tablet computer - Google Patents

Abstract

The present invention provides a vehicle tablet computer, which includes a housing, a touch-control module, and an electricity-charging structure. The touch-control module is fastened to a receiving space of the housing. An outer surface of the touch-control module is exposed from the housing, and defines two diagonal lines that are crossed to have a point. The electricity-charging structure is disposed on a short lateral side of the housing, and is electrically coupled to the touch-control module. The electricity-charging structure includes two metal pads exposed from the housing. Any of the two metal pads defines a contact region for providing a terminal of plug to contact. The two metal pads have a gap there-between that is greater than a maximum outer diameter of the contact region. A projection region defined by orthogonally projecting any one of the metal pads onto a plane, which virtually extends from the outer surface, is located between an angle scope that is within a range of 12 -18 degrees, in which the angle scope is by taking the point to be an apex and counting from the adjacent diagonal line.

Description

Tablet PC for Car

The invention relates to a tablet computer for a vehicle, in particular to a tablet computer for a vehicle that uses a metal pad for charging.

In order to comply with the vehicle safety regulations, the existing car-use tablet computers are rarely invented by greatly changing the structural design. Among them, the existing car tablet computer has a charging structure (such as a USB socket) arranged at the center of its short edge, so it is electrically coupled to a transmission path between the charging structure and the battery in the existing car tablet computer , It needs to be laid out along the center of the existing car tablet. However, the layout of the transmission path caused by the charging structure of the existing car tablet computer is equivalent to dividing the space into two roughly equal parts, which is not conducive to the layout of other electronic parts, and it is easier to install in the charging structure. When transmitting power with the transmission path, electromagnetic interference is generated to other electronic parts.

Therefore, the inventor believes that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of scientific principles, we finally propose an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The embodiment of the present invention is to provide a car tablet computer, which can effectively improve the defects that may occur in the existing car tablet computer.

The embodiment of the present invention discloses a tablet computer for a vehicle, which includes: a housing including There are two long sides and two short sides, and the housing forms an accommodating space; a touch module is installed in the accommodating space of the housing, and the touch module An outer surface is exposed outside the casing and defines two diagonal lines crossing each other and an intersection point crossing the two diagonal lines; and a charging structure disposed in the casing One of the short sides is electrically coupled to the touch module, and the charging structure includes two metal pads exposed outside the casing; wherein any one of the metal pads is defined as At least one contact area for the terminal of a charging plug; two metal pads are separated by a distance, and the distance is greater than the maximum outer diameter of at least one of the contact areas; wherein any one of the metal pads A projection area formed by orthographic projection on a plane where the outer surface is located, which falls in an angle range of 12 degrees to 18 degrees with respect to the adjacent diagonal line with the intersection point as the end point Inside.

Preferably, the vehicle tablet computer further includes a USB charging base disposed on the casing and electrically coupled to the touch module, and the USB charging base and the charging structure are configured in the same The short sides are arranged adjacent to each other.

Preferably, the vehicle tablet computer further includes a circuit board assembly arranged in the housing, and the circuit board assembly has a power supply line connected to the touch module, the USB charging stand and The charging structure is installed on the circuit board assembly and electrically coupled to the power supply line.

Preferably, the circuit board assembly includes a controller for stopping the power supply of the USB charging dock when both the USB charging dock and the charging structure supply power to the touch module.

Preferably, a socket of the USB charging stand and the two metal pads of the charging structure are located in a matching groove recessed from the corresponding short side of the housing.

Preferably, the housing includes a back panel connected to the two long sides and the two short sides, and the vehicle tablet computer further includes a camera mounted on the back panel. Image module; the camera module orthographic projection on the outer surface formed a projection area, which falls on the intersection point as an end point and relative to any one of the diagonal constitutes 22 degrees to 40 degrees Within an angle range.

Preferably, the backplane includes a main block connected to the two long sides, and two end areas located on opposite sides of the main block and connected to the two short sides, respectively Block, and each of the end blocks is formed with a flat surface in the center and two curved surfaces on opposite sides of the flat surface, and the camera module is exposed from the flat surface to the shell Outside the body.

Preferably, the vehicle tablet computer includes a bar code scanner that is disposed on the housing and electrically coupled to the touch module, and the bar code scanner and the charging structure are disposed on the same The short sides.

Preferably, a projection area formed by orthographic projection of the barcode scanner on the plane where the outer surface is located is formed relative to any one of the diagonal lines with the intersection point as an end point. Within an angle range from degrees to 37 degrees.

Preferably, the distance is between 0.8 millimeters (mm) and 1.2 millimeters.

To sum up, the vehicle tablet computer disclosed in the embodiment of the present invention can be configured by the orientation of the metal pad, so that the related line connected to the metal pad can effectively avoid the vehicle tablet computer. The central part allows the design space of the car tablet computer to be divided into two unequal parts, thereby reducing the layout restrictions of other electronic parts and effectively avoiding electromagnetic interference generated by the charging structure during charging .

Furthermore, in the vehicle tablet computer disclosed in the embodiment of the present invention, when the charging structure is connected to the charging plug, the distance is greater than the maximum outer diameter of the contact area, so that the terminals will not Touch the two metal pads at the same time to effectively prevent the charging structure from being inoperable.

In order to further understand the features and technical content of the present invention, please refer to the following related The detailed description of the present invention and the accompanying drawings, but these descriptions and accompanying drawings are only used to illustrate the present invention, rather than any restriction on the protection scope of the present invention.

100: Tablet PC for car

1: shell

12: Long side

13: short side

131: Mating Groove

14: Backplane

141: main block

142: End Block

1421: flat surface

1422: curved surface

15: chamfer

2: Touch module

21: Outer surface

3: Circuit board assembly

31: power supply line

32: Charging line

33: Controller

4: rechargeable battery

5: Electronic components

51: Charging structure

511: Metal pad

512: contact area

52: USB charging stand

53: Barcode Scanner

54: camera module

541: Camera

542: Flash

L: diagonal

P: meeting point

G: Spacing

α1~α6: The angle relative to the diagonal with the intersection point as the endpoint

FIG. 1 is a three-dimensional schematic diagram of a tablet computer according to the first embodiment of the present invention.

FIG. 2 is a three-dimensional schematic diagram of FIG. 1 from another perspective.

FIG. 3 is a functional block diagram of some components in FIG. 1.

Fig. 4 is a schematic front view of Fig. 1.

Fig. 5 is a schematic top view of Fig. 1.

FIG. 6 is an enlarged schematic diagram of the part VI in FIG. 5.

Fig. 7 is a schematic rear view of Fig. 1.

FIG. 8 is a schematic front view of a tablet computer according to the second embodiment of the present invention.

FIG. 9 is a schematic top view of a tablet computer according to the second embodiment of the present invention.

Fig. 10 is an enlarged schematic diagram of the part X in Fig. 9.

FIG. 11 is a schematic rear view of the tablet computer according to the second embodiment of the present invention.

The following is a specific embodiment to illustrate the implementation of the “car tablet computer” disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second", and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example 1]

Please refer to FIG. 1 to FIG. 7, which are the first embodiment of the present invention. This embodiment discloses a tablet computer 100 for a car, which excludes any tablet computer that is not used in a car. That is to say, the structure and functional requirements of the car tablet computer 100 are different from those of non-car tablet computers, so there is no mutual reference motivation.

As shown in FIGS. 1 to 3, the car tablet computer 100 in this embodiment includes a casing 1, a touch module 2 installed in the casing 1, and disposed in the casing 1. A circuit board assembly 3 and a rechargeable battery 4 are electrically coupled to each other, and an electronic assembly 5 mounted on the circuit board assembly 3 and disposed on the housing 1. It should be noted that although the tablet computer 100 for a vehicle is described in this embodiment by including the above-mentioned components, the present invention is not limited thereto. For example, at least one element in the electronic assembly 5 can be connected to a corresponding component with a cable, but not installed on the circuit board assembly 3; or, the car tablet computer 100 can also be omitted. At least one element in the electronic assembly 5.

The housing 1 is roughly rectangular in this embodiment and has a receiving space (not shown) formed inside. The housing 1 includes two long sides 12, two short sides 13, and connected to A back plate 14 of the two long sides 12 and the two short sides 13. In other words, the two long sides 12, the two short sides 13, and the back plate 14 may jointly enclose and form the receiving space in this embodiment. In addition, the housing 1 may be formed with corresponding other members on at least one of the two long sides 12, the two short sides 13, and the back plate 14 according to design requirements. The structure (such as: groove).

Wherein, the two long sides 12 are parallel to each other and are respectively located on opposite sides of the housing 1 (for example, the left and right sides of the housing 1 in FIG. 1), and the two short sides 13 are parallel to each other and They are respectively located on opposite sides of the housing 1 (for example, the upper side and the lower side of the housing 1 in FIG. 1), and the two ends of each short side 13 are respectively connected to the two long sides 12. Wherein, any one of the short sides 13 and the long side 12 to which it is connected is connected by a chamfer 15.

Furthermore, the back plate 14 includes a main block 141 connected to the two long sides 12, and a main block 141 located on opposite sides of the main block 141 (for example, the upper side of the main block 141 in FIG. 2 And the lower side) and are connected to the two end blocks 142 of the two short sides 13 respectively. Wherein, the outer surface of the main block 141 is a curved surface, and each of the end blocks 142 is formed with a flat surface 1421 located in the center and located on opposite sides of the flat surface 1421 respectively (such as: FIG. 2 The flat surface 1421 in the left side and the right side) are two curved surfaces 1422.

The touch module 2 is installed in the accommodating space of the housing 1, and an outer surface 21 of the touch module 2 (for example, the outer surface 21 is flat and includes a touch The surface and a non-touch surface on the outside thereof are exposed outside the casing 1. Wherein, in order to facilitate the description of the positions of other components, the outer surface 21 of the touch module 2 defines two diagonal lines L that cross each other and an intersection point P that crosses the two diagonal lines L. . Furthermore, the touch module 2 is electrically coupled to the circuit board assembly 3, so that the circuit board assembly 3 obtains power required for operation from the rechargeable battery 4 or an external power source.

The circuit board assembly 3 and the rechargeable battery 4 are arranged in the receiving space of the housing 1 and located on the back side of the touch module 2 in this embodiment; that is, the The circuit board assembly 3 and the rechargeable battery 4 are located between the back plate 14 and the touch module 2, and the circuit board assembly 3 and the rechargeable battery 4 are respectively adjacent to the two short sides Side 13, and the circuit board assembly 3 is located above the rechargeable battery 4.

Wherein, the circuit board assembly 3 includes a power supply line 31 connected to the touch module 2, a charging line 32 connected to the rechargeable battery 4, and a power supply line 32 connected to the power supply line 31 and the charging line 32. One controller 33. Furthermore, the electronic component 5 is adjacent to the circuit board component 3 in this embodiment, and the electronic component 5 includes a charging structure 51, a USB charging base 52, and a charging structure 51 disposed in the housing 1. A barcode scanner 53 and a camera module 54. However, in other embodiments not shown in the present invention, the components included in the circuit board assembly 3 or the electronic assembly 5 can also be added, deleted, or combined according to design requirements.

The charging structure 51 and the USB charging stand 52 are both installed on the circuit board assembly 3 and arranged on one of the short sides 13 of the housing 1 (for example, the short side 13 located on the upper side in FIG. 1 Side 13; in other words, close to the short side 13 of the circuit board assembly 3) and adjacent to each other. Wherein, the USB charging stand 52 is located between the charging structure 51 and the adjacent chamfer 15 in this embodiment.

Furthermore, the charging structure 51 and the USB charging stand 52 are both electrically coupled to the power supply line 31 through the controller 33 in this embodiment, and then electrically coupled to the touch control module. Group 2, so that the controller 33 can be used to stop the power supply of the USB charging cradle 52 when the USB charging cradle 52 and the charging structure 51 both supply power to the touch module 2, according to In order to prevent the touch module 2 from being damaged, the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the charging structure 51 and/or the USB charging dock 52 may also be directly electrically coupled to the touch module 2.

In addition, the charging structure 51 and the USB charging stand 52 are also electrically coupled to the charging circuit 32 through the controller 33 in this embodiment, and then electrically coupled to the rechargeable battery 4, So that the controller 33 can be used to stop the power supply of the USB charging stand 52 when the USB charging stand 52 and the charging structure 51 both supply power to the rechargeable battery 4, so as to avoid the charging The battery 4 is damaged, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention In this case, the charging structure 51 and/or the USB charging dock 52 may also be directly electrically coupled to the rechargeable battery 4.

In more detail, as shown in FIGS. 3 to 6, the charging structure 51 includes two metal pads 511 exposed outside the housing 1 (corresponding to the short side 13), and two Each of the metal pads 511 is substantially parallel to the elongated structure corresponding to the short side 13 and parallel to each other. Wherein, any one of the metal pads 511 is defined with at least one contact area 512 for a terminal (not shown) of a charging plug to be pressed against. In other words, a part of the metal pad 511 used to abut the terminal is defined as the contact area 512 in this embodiment.

Wherein, the two metal pads 511 are separated by a gap G, and the gap G is greater than the maximum outer diameter of at least one of the contact regions 512. Accordingly, when the charging structure 51 is connected to the charging plug, the distance G is greater than the maximum outer diameter of the contact area 512, so that the terminal will not touch the two metal pads 511 at the same time. This can effectively prevent the charging structure 51 from failing to operate. Furthermore, the distance G in this embodiment is between 0.8 millimeters (mm) and 1.2 millimeters, so as to effectively prevent the two metal pads 511 from generating electromagnetic interference when transmitting power.

From another point of view, any one of the metal pads 511 is orthographically projected on a plane where the outer surface 21 of the touch module 2 is formed to form a projection area (such as: FIG. 4), which falls on the intersection point P is an end point and forms an angle range of 12 degrees to 18 degrees (eg, α1 to α2) relative to the adjacent diagonal L. Accordingly, the relevant lines connected to the metal pad 511 can be configured through the orientation of the metal pad 511, effectively avoiding the central part (such as the circuit board assembly 3) of the vehicle tablet computer 100 (or the circuit board assembly 3) : Related lines connected to the metal pad 511 can be arranged on the circuit board assembly 3) along the corresponding angle range, so that the design space of the car tablet computer 100 can be divided into two unequal ones. In part, it reduces the layout restrictions of other electronic components and effectively avoids electromagnetic interference generated by the charging structure 51 during charging (for example, the charging structure 51 and the electronic components that are susceptible to electromagnetic interference can be effectively enlarged. The distance between parts).

In addition, a socket of the USB charging stand 52 and the two metal pads 511 of the charging structure 51 are located between a matching groove 131 recessed in the housing 1 from the corresponding short side 13 Inside, and a part of the matching groove 131 is located on the adjacent chamfer 15. Accordingly, when lightning occurs on the outside of the vehicle tablet computer 100, the USB charging stand 52 and the two metal pads 511 of the charging structure 51 pass through the insulating mating groove 131. , In order to effectively avoid electromagnetic interference from thunder and lightning.

The barcode scanner 53 is mounted on the circuit board assembly 3 and is arranged on the same short side 13 as the charging structure 51, and the barcode scanner 53 (which can pass through the circuit board assembly 3 ) It is electrically coupled to the touch module 2, but the invention is not limited to this. For example, in other embodiments not shown in the present invention, the barcode scanner 53 and the charging structure 51 may also be respectively disposed on the two short sides 13.

Furthermore, the barcode scanner 53 is located in the approximate center of the short side 13 in this embodiment, so the charging structure 51 is located between the barcode scanner 53 and the USB charging dock. 52; from another perspective, the barcode scanner 53 is orthographically projected on the plane where the outer surface 21 of the touch module 2 is formed to form a projection area (such as: Figure 4), which falls in the The intersection point P is an end point and forms an angle range of 26 degrees to 37 degrees (eg, α3 to α4) relative to any one of the diagonal lines L.

The camera module 54 includes a camera 541 and a flash 542 used with it in this embodiment, but the invention is not limited to this. Wherein, the camera module 54 is installed on the back plate 14 and exposed from the flat surface 1421 outside the housing 1. Furthermore, the camera module 54 is adjacent to the short side 13 corresponding to the charging structure 51, and the camera module 54 is also adjacent to the barcode scanner 53.

To put it another way, the camera module 54 is orthographically projected on a projection area formed by the outer surface 21 of the touch module 2 (such as: FIG. 4), which falls on the intersection point P as the end point. Relative to Any one of the diagonal lines L forms an angle range of 22 degrees to 40 degrees (for example, α5 to α6). Accordingly, the car tablet computer 100 is configured by the orientation of the metal pad 511, so that the barcode scanner 53 and the camera module 54 can be configured on the car tablet computer 100 that is convenient for users to operate. The central part.

[Example 2]

Please refer to FIG. 8 to FIG. 11, which are the second embodiment of the present invention. This embodiment is similar to the above-mentioned first embodiment, so the similarities between the two embodiments will not be described again. The differences of the embodiments are roughly explained as follows: in this embodiment, the charging structure 51 and the USB charging dock 52 may also be respectively arranged at opposite ends of one of the short sides 13 of the casing 1; In other words, the barcode scanner 53 is located between the charging structure 51 and the USB charging dock 52. Furthermore, the camera module 54 is adjacent to the short side 13 corresponding to the charging structure 51, and the camera module 54 is adjacent to the USB charging base 52.

[Technical Effects of Embodiments of the Invention]

In summary, the vehicle tablet computer 100 disclosed in the embodiment of the present invention can be configured by the orientation of the metal pad 511, so that the related lines connected to the metal pad 511 can effectively avoid the vehicle. The central part of the tablet computer 100 allows the design space of the car tablet computer 100 to be divided into two unequal parts, thereby reducing the layout restrictions of other electronic components and effectively avoiding the charging structure 51 during charging. The electromagnetic interference generated at the time.

Furthermore, in the vehicle tablet computer 100 disclosed in the embodiment of the present invention, when the charging structure 51 is connected to the charging plug, the distance G is greater than the maximum outer diameter of the contact area 512, so that The terminal does not touch the two metal pads 511 at the same time, so as to effectively prevent the charging structure 51 from failing to operate. Wherein, the distance G is between 0.8 mm (mm) and 1.2 mm in this embodiment, so as to effectively prevent the two metal pads 511 from generating electromagnetic interference when transmitting power. Disturb.

In addition, in the car tablet computer 100 disclosed in the embodiment of the present invention, when lightning occurs on the outside of the car tablet computer 100, the two metal parts of the USB charging stand 52 and the charging structure 51 The pad 511 is located in the insulating matching groove 131 to effectively avoid electromagnetic interference from lightning.

Moreover, in the car tablet computer 100 disclosed in the embodiment of the present invention, the controller 33 can be used to control the touch module 2 (or all When the rechargeable battery 4) supplies power, the power supply of the USB charging dock 52 is stopped, so as to prevent the touch module 2 (or the rechargeable battery 4) from being damaged.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the patent scope of the present invention. Inside.

100: Tablet PC for car

1: shell

12: Long side

13: short side

15: chamfer

2: Touch module

21: Outer surface

511: Metal pad

53: Barcode Scanner

54: camera module

541: Camera

542: Flash

L: diagonal

P: meeting point

α1~α6: The angle relative to the diagonal with the intersection point as the endpoint

Claims (10)

A tablet computer for a vehicle, which includes: A housing including two long sides and two short sides, and the housing forms a receiving space; A touch module is installed in the receiving space of the casing, and an outer surface of the touch module is exposed outside the casing and is defined with two diagonal lines crossing each other and Intersect at a point of intersection of the two diagonals; and A charging structure disposed on one of the short sides of the casing and electrically coupled to the touch module, and the charging structure includes two metals exposed outside the casing Pad; wherein, any one of the metal pads defines at least one contact area for the terminal of a charging plug; the two metal pads are separated by a distance, and the distance is greater than that of at least one of the contact areas Maximum outer diameter; Wherein, a projection area formed by orthographic projection of any one of the metal pads on a plane where the outer surface is located, which falls on the intersection point as an end point and forms 12 degrees relative to the adjacent diagonal Within an angle range of ~18 degrees. The car tablet computer according to claim 1, wherein the car tablet computer further includes a USB charging dock disposed on the housing and electrically coupled to the touch module, and the The USB charging stand and the charging structure are arranged on the same short side and arranged adjacent to each other. The car tablet computer according to claim 2, wherein the car tablet computer further includes a circuit board assembly disposed in the housing, and the circuit board assembly is connected to the touch module A power supply line of, the USB charging stand and the charging structure are both installed on the circuit board assembly and electrically coupled to the power supply line. The vehicle tablet computer according to claim 3, wherein the circuit board assembly includes a controller for stopping when the USB charging stand and the charging structure both supply power to the touch module The power supply of the USB charging stand. The tablet computer for a vehicle according to claim 2, wherein a socket of the USB charging stand and two metal pads of the charging structure are located in the housing and recessed from the corresponding short side Within a matching groove formed. The tablet computer for a vehicle according to claim 1, wherein the housing includes a back plate connected to the two long sides and the two short sides, and the tablet computer for the vehicle further The camera module includes a camera module installed on the backplane; the camera module is orthographically projected on the outer surface to form a projection area, which falls on the intersection with the intersection as the end point relative to any one of the The diagonals constitute an angle range of 22 degrees to 40 degrees. The vehicle tablet computer according to claim 6, wherein the back panel includes a main block connected to the two long sides, and a main block located on opposite sides of the main block and connected to two Two end blocks on the short sides, and each of the end blocks is formed with a flat surface located in the center and two curved surfaces located on opposite sides of the flat surface, the camera mold The assembly is exposed outside the shell from the flat surface. The vehicle tablet computer according to claim 1, wherein the vehicle tablet computer includes a barcode scanner disposed on the housing and electrically coupled to the touch module, and the barcode The scanner and the charging structure are arranged on the same short side. The tablet computer for a vehicle according to claim 8, wherein the barcode scanner is orthographically projected on the plane where the outer surface is located to form a projection area, which falls on the intersection with the intersection as the end point. With respect to any one of the diagonals, an angle range of 26 degrees to 37 degrees is formed. The vehicle tablet computer according to claim 1, wherein the distance is between 0.8 millimeters (mm) and 1.2 millimeters.

Images