CN201608717U - micro communication device - Google Patents

Abstract

The utility model provides a micro-communication device, wherein the micro-communication device comprises a base, an upper cover assembled with the base to form a containing space, and the containing space is provided with a sound unit, a near-field communication unit and a The sound unit is an active circuit unit electrically connected to the near field communication unit. The product can save the internal space of the micro-communication device, and facilitates its development towards miniaturization and portability.

Description

micro communication device

【Technical field】

The utility model relates to a communication device, in particular to a miniature communication device applicable to portable devices such as mobile phones.

【Background technique】

With the rapid development of wireless communication, there are more and more mobile phones in the world. People's requirements for mobile phones are not limited to basic calls, but also require a variety of entertainment functions, miniaturization, and easy portability. This requires its internal elements. The allocation of devices is more reasonable to achieve the effect of optimizing space resources. Therefore, on the premise of ensuring the good performance of electro-acoustic devices such as mobile phones, it is an urgent problem to be solved to gradually develop them in the direction of ultra-small and ultra-thin.

Near field communication (Near Field Communication, NFC) technology is an emerging technology that has developed rapidly in recent years. It was proposed by Sony, Philips and Nokia. It not only enables two electronic communication devices with NFC function to directly conduct short-range communication Communication can also realize multiple functions such as audio and video transmission, entertainment search, photography, navigation and positioning, and is easy to set in electronic products, making it convenient to carry. Such an electronic technology that can meet the needs of most users, NFC has also become one of the essential components of the communication device.

In the communication devices of the prior art, the products with NFC function all allocate space independently for the NFC device inside, especially the NFC coil, which must be placed in a certain space. Considering that the loudspeaker device and the audio power amplifier chip also exist independently inside the communication device, this will greatly waste the internal space of the communication device, making its structural design not compact enough, which is not conducive to its development in the direction of ultra-small, ultra-thin and portable .

Therefore, it is necessary to provide a new technical solution to solve the above problems.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a miniaturized and portable micro-communication device.

The utility model solves above-mentioned technical problem by such technical scheme:

A micro-communication device, wherein the micro-communication device includes a base, an upper cover assembled with the base and forming a containing space, and a sounding unit, a near-field communication unit, and a sounding unit and a near-field communication unit are arranged in the containing space. The communication unit is electrically connected to the active circuit unit.

As an improvement of the present utility model, the near electric field communication unit is provided with a near electric field communication coil, and the near electric field communication coil is provided with lead wires, and the lead wires are welded to the active circuit unit.

As an improvement of the present utility model, the near electric field communication coil is an electroplating layer formed inside the base.

As an improvement of the utility model, a power amplifier chip is integrated on the active circuit unit.

As an improvement of the utility model, the active circuit unit is provided with lead terminals for outputting signals.

As an improvement of the utility model, the upper cover is provided with a notch, and the lead terminal extends outward through the notch and is connected with the external main board.

Compared with the prior art, the utility model has the following advantages: since the near-field communication unit, the sound unit and the active circuit unit are integrated in the accommodation space, the integrated structure can save the internal space of the micro-communication device, which is beneficial to the micro-communication device. development in the direction of modernization and portability.

【Description of drawings】

Fig. 1 is a perspective view of the miniature communication device of the present invention.

Fig. 2 is a three-dimensional exploded view of the miniature communication device of the present invention.

【Detailed ways】

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

1 and 2, the miniature communication device 10 includes a base 11, an upper cover 12 assembled with the base 11 to form an accommodating space 121, a sound unit 13 located in the accommodating space, an active circuit unit 14 and a near field communication Unit 15.

The base 11 includes a bottom surface 110 and a side surface 111 , and the sound unit 13 , the active circuit unit 14 and the near field communication unit 15 are respectively located on the bottom surface 110 . The sound unit 13 is provided with a speaker 130, and the speaker 130 is provided with a magnetic circuit system, a vibration system, and a basin frame for accommodating the magnetic circuit system and the vibration system. Under the action of the magnetic field of the magnetic circuit system, the vibration system will be caused to vibrate, so that the speaker 130 emits sound, realizing the electroacoustic conversion function.

The active circuit unit 14 is provided with a circuit board 140 for providing electrical signals to the internal components of the micro communication device 10 . The circuit board 140 is provided with a lead terminal 141 for signal output and a power amplifier chip (not shown in the figure). The power amplifying chip is used to amplify the power of the audio signal so that the sound can be transmitted better. In this embodiment, the power amplifying chip is arranged near the lead terminal 141 to facilitate the lead terminal 141 to input the electrical signal from the main board of the mobile phone to the power amplifying chip for processing and then to the speaker 130 .

The near field communication unit 15 is provided with a near field communication coil 150 , and the near field communication coil 150 is provided with lead wires (not shown in the figure), and the lead wires are connected to the active circuit unit 14 by welding. The near electric field communication coil 150 is made of any one of aluminum foil, copper, silver, gold and lead material or its alloy material, and it is used to realize the reception and/or transmission of communication signals during the communication process, Working in the 13.56MHz frequency band, the transmission distance is within a few centimeters. In this embodiment, the near electric field communication coil 150 is combined with the base 11 of the micro-communication device 10 by electroplating process, so that it is integrated on the side wall 111 of the base 11, of course, it can also be an electroplating layer located outside the sound unit. .

A notch 120 is provided on the upper cover 12 , and the notch 120 is used to accommodate the lead terminal 141 of the active circuit unit 14 , so that the lead terminal 141 extends outward through the notch 120 and connects to the external motherboard.

To sum up, since the near field communication unit, the sound unit and the active circuit unit are integrated in the accommodation space to form an integrated structure, the internal space of the micro communication device can be saved, which is conducive to its development in the direction of miniaturization and portability.

What has been described above is only the embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, improvements can also be made without departing from the inventive concept of the utility model, but these all belong to Protection scope of the present utility model.

Claims (6)

1. Miniaturized Communications device, it is characterized in that: this Miniaturized Communications device comprises pedestal, with the pedestal winding and form the loam cake of spatial accommodation, the active circuit unit that is provided with phonation unit, near field communication unit in the described spatial accommodation and electrically connects with phonation unit and near field communication unit.

2. Miniaturized Communications device according to claim 1 is characterized in that: described nearly electric field communication unit is provided with nearly electric field communication coil, and this nearly electric field communication coil is provided with lead-in wire, and described wire bonds is to the active circuit unit.

3. Miniaturized Communications device according to claim 2 is characterized in that: described nearly electric field communication coil is formed in the electrodeposited coating of base interior.

4. Miniaturized Communications device according to claim 1 is characterized in that: described active circuit is integrated with the power amplification chip on the unit.

5. Miniaturized Communications device according to claim 1 is characterized in that: described active circuit unit is provided with the lead terminal of output signal.

6. Miniaturized Communications device according to claim 6 is characterized in that: be covered with a breach on described, described lead terminal stretches out by breach and links to each other with outside mainboard.

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