CN201393228Y - wireless network adapter - Google Patents

Abstract

The utility model relates to a wireless network adapter, which structure includes: a shell, a circuit board and an interface end, the circuit board is arranged inside the shell, the interface end is fixedly arranged outside the shell, the circuit board includes a wireless network circuit and an antenna, the interface end includes a plurality of interface pins, the interface end will be electrically connected to the circuit board, and the plane of the interface end will be perpendicular to the antenna plane of the circuit board. When the interface end of such a wireless network adapter is plugged into a computer device with an interface slot, the antenna field pattern on the internal circuit board can be perpendicular to the plane of the interface slot, so as to facilitate the computer device to receive wireless signals from the front, back, left and right.

Description

wireless network adapter

technical field

The utility model relates to a wireless network matching device. When the interface end is plugged into a computer device with an interface slot, the antenna pattern on the internal circuit board can be perpendicular to the plane of the interface slot, which is beneficial to the computer. The device receives wireless signals from front, back, left, and right.

Background technique

Existing wireless network (WLAN) adapters are larger in size (slightly about the size of a palm to a thumb), for example: a wireless network adapter with PCMCIA interface specifications, which is plugged into a notebook computer (NB) or When using a personal digital assistant (PDA), it will take up a lot of space. Therefore, in order to achieve a more miniaturized purpose, wireless network adapter devices with USB, CF or SD interface specifications have been developed to enable notebook computers (NB) or personal digital assistants (PDA) to use wireless network adapters. When installing, it does not appear obtrusive due to the long size of the wireless network adapter.

Referring to FIG. 1A and FIG. 1B , it is a structural perspective view and an application schematic diagram of an existing wireless network adapter device. As shown in the figure, the wireless network adapter device 13 includes a connector 131, and the connector 131 has a plurality of interface pins 133, and the interface pins 133 comply with the USB interface regulations.

The wireless network adapter device 13 is plugged and applied to a notebook computer (NB) 11 or a personal digital assistant (PDA) having a USB slot 111 through the connector 131 . In this way, the notebook computer (NB) 11 can utilize the wireless network adapter device 13 to perform wireless network transmission with a wireless network base station 20 or a wireless local area network access point (Wireless LAN Adapter Access Point). effect.

Moreover, most of the antenna 137 of the existing wireless network adapter 13 is directly arranged on the circuit board 135 of the wireless network adapter 13 . When the wireless network adapter 13 is plugged into the notebook computer (NB) 11, the wireless network adapter 13 will present a common plane with the direction of the USB slot 111 of the notebook computer (NB) 11, and is constructed in The axial direction of the antenna 137 of the internal circuit board 135 of the wireless network adapter device 13 is roughly positioned on the horizontal extension line of the USB slot 111 .

The field pattern of the antenna 137 is shown in the planar distribution diagram of FIG. 1C and the three-dimensional distribution diagram of FIG. 1D . The distribution of the electromagnetic field in the cone-shaped area of the solid angle w formed by the axis (Axis) will be extremely sparse, which will not be conducive to the reception and reception of wireless network signals in the front, back, left, and right directions by the wireless network adapter device 13, and may also Cause communication dead angle. If the wireless network base station 20 or the wireless local area network access point is located in this area, the phenomenon of network transmission quality will be low, and even cause serious consequences of being unable to connect.

Contents of the invention

The main purpose of this utility model is to provide a wireless network adapter device. When plugged into the interface slot of the computer device, the antenna pattern on the internal circuit board can be perpendicular to the interface slot, so as to facilitate the reception of the computer device. Nearby wireless signals from front, back, left, and right.

The secondary purpose of the present invention is to provide a wireless network adapter device, which can utilize the conversion of interface terminals and interface slots of different interface specifications, so as to enhance the convenience of use.

Another object of the present invention is to provide a wireless network adapter device, the size of the housing can be designed according to the ratio of the length, width and height of the circuit board, so as to achieve the design goal of miniaturization.

The above-mentioned purpose of the utility model is achieved through the following technical solutions:

A wireless network adapter, characterized in that: comprising:

a shell;

A circuit board, including a wireless network circuit and an antenna, the circuit board is arranged inside the casing;

An interface end includes several interface pins, the interface end is fixed on the outside of the housing, the interface end is electrically connected to the circuit board, and the plane of the interface end is perpendicular to the antenna plane of the circuit board.

It also includes a soft board; the soft board includes the interface end and the connection end, and the soft board is bent into a vertical state, so that the interface end is electrically connected to the circuit board through the connection end.

It also includes a fixing plate; the fixing plate is arranged under the soft board and is perpendicular to the circuit board.

The interface pins of the interface end conform to the interface specifications of USB, PCMCIA, CF or SD.

The interface end will be plugged into a computer device with an interface slot.

The antenna layouts the circuit on the circuit board.

The antenna is electrically bonded to the circuit board.

The housing includes an upper cover and a bottom cover; the interface end of the flexible board and the fixing plate of the lower part are fixed on the outside of the bottom cover.

The upper cover is a hollow cover, and the bottom cover is a plane plate corresponding to the shape of the upper cover.

The bottom cover protrudes from a connection shell; the front end of the connection shell is open, and the interface end of the soft board and the fixing plate below it are arranged in the connection shell.

The beneficial effects of the utility model are: when the interface end of the wireless network adapter device is plugged into a computer device with an interface slot, the antenna pattern on the internal circuit board can be perpendicular to the plane of the interface slot, so as to facilitate The computer device receives wireless signals from front, back, left, and right.

Description of drawings

FIG. 1A is a perspective view of a common wireless network adapter device.

FIG. 1B is an application schematic diagram of a common wireless network adapter device.

FIG. 1C is a planar distribution diagram of common antenna field patterns.

FIG. 1D is a three-dimensional distribution diagram of common antenna field patterns.

FIG. 2A is an exploded perspective view of a preferred embodiment of the wireless network adapter device.

FIG. 2B is a partial cross-sectional view of a preferred embodiment of the wireless network adapter device.

FIG. 2C is a schematic diagram of the application of the wireless network adapter device.

FIG. 3A is a planar distribution diagram of the antenna pattern of the wireless network adapter device.

3B is a three-dimensional distribution diagram of the antenna field of the wireless network adapter device.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

First, refer to FIG. 2A , FIG. 2B and FIG. 2C , which are respectively a three-dimensional exploded view, a partial cross-sectional view and an application schematic diagram of a preferred embodiment of the wireless network adapter device of the present invention. As shown in the figure, the wireless network adapter device 30 includes a housing 31 , a circuit board 33 and an interface terminal 351 .

The circuit board 33 includes a wireless network circuit 331 and an antenna 333 , and the circuit board 33 is disposed inside the casing 31 to protect the main circuit structure inside the circuit board 33 .

The interface end 351 is fixed on the outside of the housing 31, and several interface pins 352 are arranged on it. The interface pins 352 of this embodiment will conform to the USB interface specification, for example: USB interface connectors such as VCC, D+, D-, GND, etc. foot. The interface end 351 is electrically connected to the circuit board 33 to transmit the electronic signal on the circuit board 33 to the outside, and the plane of the interface end 351 is perpendicular to the plane of the circuit board 33 .

The wireless network adapter device 30 also includes a flexible board 35 , which is a flexible circuit board, the interface end 351 is one end of the flexible board 35 , and the other end of the flexible board 35 is a connection end 353 . Due to the flexibility of the flexible board 35 , the flexible board 35 can be bent into a vertical state, so that the interface end 351 can be electrically connected to the corresponding vertical circuit board 33 through the connection end 353 . A fixing plate 37 is disposed below the soft board 35 for fixing and strengthening the hardness of the soft board 35 , and the fixing board 37 is close to the circuit board 33 and perpendicular to the circuit board 33 .

The wireless network adapter device 30 is plugged into the computer device 40 having an interface slot 41 (such as a USB slot) through the interface end 351 (USB end) on the outside of the housing 31, and the computer device 40 can use the wireless network adapter The wireless network circuit 331 and the antenna 333 inside the device 30 are connected to transmit wireless network signals with the wireless network base station 20 or the wireless area access point.

Because the plane of the interface end 351 of the wireless network adapter device 30 of the present invention is perpendicular to the plane of the circuit board 33 . In this way, when the wireless network adapter device 30 is plugged into the computer device 40 through the interface end 351, the antenna pattern 333 on the circuit board 33 will be perpendicular to the interface slot 41, so that the computer device can receive signals from the front, back, left, and right sides. Wireless signal, and reach the purpose of invention of the utility model.

In another embodiment of the present utility model, the interface end 351 of the wireless network adapter device 30 and the corresponding interface slot 41 can be selected as PCMCIA, CF, SD in addition to the USB interface specification. Or other common interface specifications, etc., in this way, the conversion between the interface end 351 and the interface slot 41 of different interface specifications is used to increase the user's choice space and the convenience of use. In addition, the computer device 40 applied to the wireless network adapter device 30 of the present invention can be a notebook computer (NB), a personal computer (PC), a personal digital assistant (PDA) or other digital devices.

The antenna 333 of the present utility model can be directly arranged on the circuit board 33 as shown in FIG. For example: solder paste) is electrically connected on the circuit board 33, can reach the purpose of the present utility model equally.

The method for electrically connecting the connecting end 353 of the soft board 35 to the circuit board 33 of the present invention adopts a common technique, for example: performing a pressing procedure between the soft board 35 and the circuit board 33, so that the connecting end 353 of the soft board 35 can be Paste on the circuit board 33 , or a connecting slot (not shown) is provided on the circuit board 33 , and the connecting end 353 of the soft board 35 is directly plugged into the connecting slot. Furthermore, the above-mentioned connection method is only a method that can be implemented in the present invention. Of course, other methods can also be selected, as long as the flexible board 35 can be electrically connected to the circuit board 33 .

In addition, in order to maintain the circuit board 33 perpendicular to the fixing plate 37 , the contact surface of the circuit board 33 and the fixing plate 37 can also be bonded to stabilize the vertical state between the two.

The utility model housing 31 includes an upper cover 311 and a bottom cover 313, the upper cover 311 can be a hollow cover of semicircle, concave or other shapes, and the bottom cover 313 can be a flat plate corresponding to the shape of the upper cover 311 , and the interface end 351 of the flexible board 35 and the fixing board 37 below it will protrude outside the bottom cover 313 .

Due to the evolution of process technology, the wireless network circuit is becoming more and more miniaturized, for example: SOC system single chip, and the size of the circuit board 31 of the wireless network adapter device 30 will also be reduced accordingly, for example: can be reduced to 10mm Within ×10mm. Therefore, the utility model can design the size and storage space of the upper cover 311 and the bottom cover 313 according to the ratio of the length, width and height of the circuit board 33, so as to achieve the design goal of miniaturization. In this way, when the wireless network adapter device 30 is plugged into the computer device 40, it does not appear obtrusive due to the long volume of the wireless network adapter device 30, and the miniaturized wireless network adapter device 30 can be permanently inserted. It is connected to the interface slot 41 of the applied computer device 40 to increase the convenience of use or portability.

Furthermore, the bottom cover 313 of the housing 31 of the present invention can also be provided with a connecting shell 315, the front end of the connecting shell 315 is an open state, and the interface end 351 of the flexible board 35 and the fixing plate 37 below it will be placed on the connection housing 315 inside. The connection shell 315 can protect the interface pins 352 on the interface end 351 of the flexible board 35 from external scratches.

Referring to FIG. 3A and FIG. 3B , it is a plane distribution diagram and a three-dimensional distribution diagram of the antenna field of the wireless network adapter device of the present invention. When the wireless network adapter device 30 of the present utility model is plugged into the interface slot 41 of the computer device 40, the main field pattern of the antenna 333 on the internal circuit board 33 will be in the same plane as the plane of the interface slot 41 of the computer device 40. In the vertical direction, the axis (Axis) of the antenna 333 will point upwards, and the distribution of the magnetic field lines of the antenna field will expand to the front, rear, left, and right spaces.

Since the general wireless network base station 20 will be placed on the same floor to provide users such as family members or employees to use, therefore, the design concept of the utility model will help the computer device 40 to receive wireless signals from the front, rear, left, and right directions on the same horizontal plane. The wireless signals sent and received by the network base station 20 ensure the connection of the wireless network and the quality of data sending and receiving.

The above are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model, that is, all according to the shape, structure, characteristics and spirit described in the patent scope of the utility model. Equal changes and modifications should be included in the patent application scope of the present utility model.

Claims (10)

1. A wireless network connection device, characterized in that: comprising: a shell; A circuit board, including a wireless network circuit and an antenna, the circuit board is arranged inside the casing; An interface end includes several interface pins, the interface end is fixed on the outside of the housing, the interface end is electrically connected to the circuit board, and the plane of the interface end is perpendicular to the antenna plane of the circuit board. 2. The wireless network adapter device according to claim 1, further comprising a soft board; the soft board includes the interface end and the connection end, and the soft board is bent into a vertical state so that The interface end is electrically connected to the circuit board through the connection end. 3. The wireless network adapter device as claimed in claim 2, further comprising a fixing plate; the fixing plate is disposed under the flexible board and perpendicular to the circuit board. 4. The wireless network adapter device as claimed in claim 1, wherein the interface pins of the interface end conform to the interface specifications of USB, PCMCIA, CF or SD. 5. The wireless network adapter device according to claim 1, wherein the interface end is plugged into a computer device having an interface slot. 6. The wireless network adapter device as claimed in claim 1, wherein the antenna has a circuit layout on the circuit board. 7. The wireless network adapter device as claimed in claim 1, wherein the antenna is electrically bonded to the circuit board. 8. The wireless network adapter device according to claim 3, characterized in that: the housing includes a top cover and a bottom cover; the outside of the bottom cover. 9. The wireless network adapter device according to claim 8, wherein the upper cover is a hollow cover, and the bottom cover is a flat plate corresponding to the shape of the upper cover. 10. The wireless network adapter device according to claim 3, characterized in that: the bottom cover protrudes from a connecting shell; the front end of the connecting shell is open, and the interface end of the flexible board and its lower Part of the fixing plate is arranged in the connecting shell.

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