CN113395080B

CN113395080B - Wireless transmission expansion device

Info

Publication number: CN113395080B
Application number: CN202110530353.2A
Authority: CN
Inventors: 颜立权
Original assignee: Mitac Computer Kunshan Co Ltd; Getac Technology Corp
Current assignee: Mitac Computer Kunshan Co Ltd; Getac Technology Corp
Priority date: 2018-09-07
Filing date: 2018-09-07
Publication date: 2023-04-25
Anticipated expiration: 2038-09-07
Also published as: CN110896313A; CN113395080A

Abstract

The invention relates to the technical field of expansion devices, in particular to a wireless transmission expansion device, which comprises an expansion base, a wireless transmission device and at least one antenna module. The expansion seat is provided with a base part, a containing space is arranged in the base part, two sides of the base part are respectively extended with a positioning clamping arm, and a clamping space is arranged between the two positioning clamping arms; the wireless transmission device is arranged in the accommodating space; the antenna modules are arranged on the positioning clamping arms, and at least one antenna module is connected with the wireless transmission device through signals; therefore, the wireless transmission expansion device can be matched with the existing audio-video equipment or a portable camera without a 4G transmission function or without space in the device to increase the 4G function, so that the effect of transmitting a large amount of audio-video information in real time is achieved.

Description

Wireless transmission expansion device

The application is a divisional application of patent application with the original application number of 201811040070.4, the application date of 2018/9/7 and the name of 'wireless transmission expansion device'.

Technical Field

The present invention relates to the field of expansion devices, and in particular, to a wireless transmission expansion device.

Background

Along with the progress and development of science, the life of people becomes intelligent and convenient gradually, and especially, a plurality of portable video and audio equipment (3C products) provide a plurality of convenience for living leisure or work. Because these portable video and audio devices generally have functions of video recording, sound recording, photographing, etc., the obtained video and audio information is stored in the device and then taken out or rotated out at a proper time. However, because the capacity of the video and audio information is large, the consumption of the storage capacity is easy to cause, so that the newer portable video and audio equipment is also endowed with a wireless transmission function, namely, the acquired video and audio information is immediately transmitted to external equipment (or cloud) through wireless transmission, so that the storage space inside the equipment is not occupied, and the instant transmission effect is achieved.

Moreover, the portable video and audio equipment can be used for leisure and entertainment and can also be used for searching and verifying when police officers are on duty. For example, police officers also begin to wear personal video cameras (video/audio equipment) to record law enforcement processes in order to avoid disputes. The portable video camera (audio-visual equipment) is clamped or hung on the uniform jacket, and the image is downloaded as a duty deposit card after the daily duty is finished.

However, since the currently used audio and video devices do not have the 4G communication transmission function, and wifi communication transmission facilities in each region are not necessarily perfect, the existing audio and video devices are limited by the above, and the function of immediate transmission cannot be achieved. And no matched wireless transmission expansion device can be matched for application at present, so that the perfection degree of the policy execution is severely tested. Therefore, how to effectively improve the foregoing problems is an important direction that the industry should strive to solve and overcome.

Therefore, in view of the fact that the existing wireless transmission expansion technology cannot effectively match the defects of the existing portable video camera or audio/video equipment and the fact that the structural design thereof is not ideal, the inventor starts to develop a solution thereof, and hopes to develop a wireless transmission expansion device with better matching, economy and excellent communication transmission functionality so as to serve the public and promote the development of the industry, and the invention is generated through the concept of multiple times.

Disclosure of Invention

The invention aims to provide a wireless transmission expansion device which can be matched with the existing audio-visual equipment or a portable camera without a 4G transmission function or without space in the device to add the 4G function so as to achieve the effect of transmitting a large amount of audio-visual information in real time.

In addition, the matched video and audio equipment or the portable video camera can not obstruct the use of the existing functions, and has excellent matching property, economy and excellent communication transmission function.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a wireless transmission expansion device includes: the expansion seat is provided with a base part, a containing space is arranged in the base part, two sides of the base part are respectively extended with a positioning clamping arm, and a clamping space is arranged between the two positioning clamping arms; the wireless transmission device is arranged in the accommodating space; and at least one antenna module arranged on the positioning clamp arm, wherein at least one antenna module is in signal connection with the wireless transmission device.

Preferably, the expansion seat is provided with a bearing surface at the bottom of the clamping space, and the bearing surface is provided with a plurality of guide connection holes.

Preferably, the wireless transmission device comprises a circuit board, and the circuit board is electrically connected with the wireless communication module.

Preferably, the circuit board is electrically connected with a plurality of conductive terminal pins for conductive connection with external video and audio equipment.

Preferably, the wireless communication module is bluetooth, wiFi, 3G, 3.5G, 4G, 5G, frequency Modulation (FM), amplitude Modulation (AM) or Phase Modulation (PM).

Preferably, the antenna module is an etched antenna.

Preferably, the positioning clamp arm comprises a clamp arm main part, and two sides of the clamp arm main part are respectively bent and protruded to extend out of one clamp arm side part.

Preferably, the positioning clamp arm is provided with two penetrating grooves which are correspondingly arranged, and the two penetrating grooves are used for forming the elastic area.

Preferably, a clamping piece is arranged on the inner side of the positioning clamping arm at the elastic area.

Preferably, the clamping piece is an arc lug.

Preferably, the clamping space has operation penetrating portions on both sides with respect to the two positioning clamping arms.

Preferably, a convex plate is respectively arranged at the front and the rear of the expansion seat, and the convex plate is higher than the bearing surface.

The invention has the beneficial effects that:

the invention provides a wireless transmission expansion device, which comprises an expansion base, a wireless transmission device and at least one antenna module. The expansion seat is provided with a base part, a containing space is arranged in the base part, two sides of the base part are respectively extended with a positioning clamping arm, and a clamping space is arranged between the two positioning clamping arms; the wireless transmission device is arranged in the accommodating space; the antenna modules are arranged on the positioning clamping arms, and at least one antenna module is connected with the wireless transmission device through signals; therefore, the wireless transmission expansion device can be matched with the existing audio-video equipment or a portable camera without a 4G transmission function or without space in the device to increase the 4G function, so that the effect of transmitting a large amount of audio-video information in real time is achieved.

Drawings

Fig. 1 is an exploded view of a wireless transmission expansion device according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a wireless transmission expansion device according to an embodiment of the present invention;

fig. 3 is an exploded view of the wireless transmission expansion device according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a combination of a wireless transmission expansion device according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a wireless transmission expansion device according to an embodiment of the present invention;

fig. 6 is a front schematic view of a wireless transmission expansion device according to an embodiment of the present invention;

FIG. 7 is a partial cross-sectional view of FIG. 6;

fig. 8 is an enlarged view at a in fig. 7.

In the figure:

10. an expansion base;

11. a base portion; 111. a receiving surface; 112. a guide joint hole; 113. a convex panel;

12. an accommodating space;

13. positioning a clamping arm; 131. a clamp arm main part; 132. a clip arm side; 133. a chute is embedded; 134. a penetration groove; 135. a clamping piece;

14. a clamping space;

15. a penetration portion;

20. a wireless transmission device;

21. a circuit board; 22. an electrical connector; 221. a conductive terminal pin;

30. an antenna module; 31. etching the antenna;

40. an audio-visual device;

41. the front surface of the machine body; 411. a photographing lens; 412. a knob;

42. the back of the machine body;

43. a side surface of the machine body; 431. a male member;

44. and a conductive connection part.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 and 2, the present embodiment provides a wireless transmission expansion device, which includes: docking station 10, wireless transmission device 20 and at least one antenna module 30; the expansion seat 10 is provided with a base part 11, a containing space 12 is arranged in the base part 11, two sides of the base part 11 are respectively extended with a positioning clamping arm 13, and a clamping space 14 is arranged between the two positioning clamping arms 13. The wireless transmission device 20 is disposed in the accommodating space 12 for providing related electronic devices required by the wireless transmission expansion device. The antenna module 30 is disposed on the positioning arm 13, and the antenna module 30 is connected to the wireless transmission device 20 through signals. The wireless transmission expansion device provided by the embodiment solves the problem that the existing main stream portable camera or video and audio equipment has no 4G transmission function and has no proper space inside to increase the 4G module with the 4G function.

In the present embodiment, the base portion 11 has a receiving surface 111 opposite to the clamping space 14, that is, the docking station 10 has a receiving surface 111 below the clamping space 14, and the receiving surface 111 has a plurality of conductive through holes 112, and the conductive through holes 112 are communicated with the accommodating space 12. Further, a convex plate 113 is disposed at the front and rear of the docking station 10, and the convex plate 113 is slightly higher than the receiving surface 111, such that the convex plate 113 and the positioning clip arm 13 form a peripheral structure of the clipping space 14.

The positioning clamp arm 13 comprises a clamp arm main part 131, two sides of the clamp arm main part 131 are respectively bent inwards and convexly provided with a clamp arm side part 132, and the bottom of the clamp arm side part 132 is connected with the convex panel 113; the arm main portion 131 and the arm side portion 132 are U-shaped arms, and form a fitting groove 133.

Preferably, two longitudinally corresponding penetrating grooves 134 are provided on the main arm portion 131 of the positioning arm 13, and a portion of the inner side of the positioning arm 13 between the two penetrating grooves 134 is provided with an inwardly protruding locking member 135, where the locking member 135 may be an arc-shaped protrusion or other block as shown in the figure; wherein, the two through slots 134 are used to form an elastic region, and the elastic region is used to dispose the locking piece 135. The structure makes the positioning clamp arm 13 have proper elastic design in the whole component or the central clamping local area, and has convenient use and safety.

Further, in the docking station 10, the front and rear sides thereof are formed with the operation penetrating portion 15 above the convex plate 113, and the operation penetrating portion 15 is connected to the clamping space 14 to penetrate the front and rear sides of the docking station 10, that is, the clamping space 14 is disposed between or in the center of the two positioning clamping arms 13 with the operation penetrating portion 15, so that the front and rear sides of the corresponding external video/audio equipment can be exposed or not covered, and the operation of the related functions on the body of the external video/audio equipment is not hindered.

The wireless transmission device 20 at least includes a circuit board 21 for setting or electrically connecting related electronic components and module components, for example, the circuit board 21 is electrically connected to a wireless communication module (not shown), and the wireless communication module may be one of Blue Tooth (bluetooth), wiFi, 3G, 3.5G, 4G, 5G, frequency Modulation (FM), amplitude Modulation (AM), phase Modulation (PM), and the like; the circuit board 21 is provided with an electric connector 22, and the electric connector 22 comprises a plurality of guide terminal pins 221; when the wireless transmission device 20 is disposed in the accommodating space 12, the plurality of conductive pins 221 are inserted into the plurality of conductive holes 112, and the end edges of the conductive pins 221 slightly protrude out of the conductive holes 112, so as to facilitate the operation of conductive connection of the communication signals; in other embodiments, the plurality of pins 221 may have a suitable elastic design, so as to have a compressive and constant elastic force protruding toward the clamping space 14.

The antenna module 30 is disposed on the positioning arm 13, and the antenna module 30 is connected to the wireless transmission device 20 in a signal (telecommunication) manner, as shown in fig. 1, the antenna module 30 may be, but is not limited to, an etched antenna 31.

Referring to fig. 3-5, an application implementation of the wireless transmission expansion device of the present invention is illustrated, and a portable audio/video device 40 is illustrated, wherein the audio/video device 40 has a body, and includes a front body 41, a back body 42 and two side body sides 43, the front body 41 is provided with a photographing lens 411 and a knob 412, the side body sides 43 are provided with a protruding member 431, the protruding member 431 may be a key, a clamping member, etc., but is not limited thereto, a related audio/video device component is provided on the body, and a plurality of conductive connection portions 44 are provided on the bottom of the body.

Referring to fig. 5, when the wireless transmission expansion device of the present invention is used, the audio-visual device 40 is inserted into the clamping space 14 of the expansion seat 10, even if the body side 43 of the audio-visual device 40 slides along the embedded chute 133 of the positioning clamping arm 13, when the audio-visual device 40 is completely placed into the clamping space 14, the plurality of conductive connection parts 44 at the bottom of the audio-visual device 40 are electrically connected with the plurality of conductive connection pins 221, so that the audio-visual device 40 is electrically connected with the wireless transmission device 20.

Referring to fig. 6-8, when the av device 40 is inserted into the clamping space 14 of the docking station 10, the body side 43 of the av device 40 slides along the insertion slot 133 of the positioning arm 13, and since the body side 43 of the av device 40 has the protruding member 431, such as a button or a clamping member, the protruding member 431 slides over the clamping member 135 inside the arm main portion 131 of the positioning arm 13, and when the av device 40 is completely placed into the clamping space 14, the clamping member 135 abuts against the protruding member 431, so that the av device 40 is better positioned, and the av device 40 is prevented from being detached from the docking station 10 from the clamping space 14. In addition, the clamping member 135 is disposed between the two through slots 134, so that the clamping member 135 has a proper elastic external supporting effect, and the audio/video device 40 can be smoothly inserted into the clamping space 14 by only slightly pushing force, and the sleeving operation is not hindered during use.

In summary, the wireless transmission expansion device of the embodiment of the invention can be matched with the existing audio-visual equipment or portable video camera without 4G transmission function or without space inside to add 4G function, so as to achieve the effect of transmitting a large amount of audio-visual information in real time.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A wireless transmission expansion device, comprising:

the expansion seat (10) is provided with a base part (11), a containing space (12) is arranged in the base part (11), two sides of the base part (11) are respectively extended with a positioning clamping arm (13), and a clamping space (14) is arranged between the two positioning clamping arms (13); the clamping space (14) is provided with operation penetrating parts (15) at two sides opposite to the two positioning clamping arms (13);

a wireless transmission device (20) which is arranged in the accommodating space (12);

at least one antenna module (30) arranged on the positioning clamp arm (13), wherein at least one antenna module (30) is in signal connection with the wireless transmission device (20);

the expansion seat (10) is provided with a bearing surface (111) at the bottom of the clamping space (14), and the bearing surface (111) is provided with a plurality of guide connection holes (112);

wherein, a plurality of conductive terminal pins (221) of the wireless transmission device (20) are inserted into the plurality of conductive through holes (112) relatively, and the end edges of the conductive terminal pins (221) slightly protrude out of the conductive through holes (112);

the plurality of conductive connection parts (44) at the bottom of the video/audio device (40) are electrically connected with the plurality of conductive connection pins (221), so that the video/audio device (40) and the wireless transmission device (20) are electrically connected.

2. The wireless transmission expansion device according to claim 1, wherein the wireless transmission device (20) comprises a circuit board (21), and the circuit board (21) is electrically connected to the wireless communication module.

3. The wireless expansion device according to claim 2, wherein the circuit board (21) is electrically connected to the plurality of pins (221) for connecting to external audio/video equipment.

4. The wireless transmission expansion device of claim 2, wherein the wireless communication module is bluetooth, wiFi, 3G, 3.5G, 4G, 5G, frequency Modulation (FM), amplitude Modulation (AM), or Phase Modulation (PM).

5. The wireless transmission expansion device of claim 1, wherein the antenna module (30) is an etched antenna (31).

6. The wireless transmission expansion device according to claim 1, wherein the positioning arm (13) comprises an arm main portion (131), and two sides of the arm main portion (131) are respectively bent and protruded to form an arm side portion (132).

7. The expansion device according to claim 6, wherein the positioning arm (13) is provided with two corresponding through slots (134), and the two through slots (134) are used for forming the elastic region.

8. The wireless transmission expansion device according to claim 7, wherein the positioning clip arm (13) is provided with a locking member (135) inside the elastic region.

9. The wireless transmission expansion device of claim 8, wherein the detent (135) is an arcuate tab.

10. The expansion device for wireless transmission according to claim 1, wherein a convex plate (113) is provided at the front and rear of the expansion seat (10), respectively, and the convex plate (113) is higher than the receiving surface (111).