CN219514200U - Novel earphone with frequency-adjustable antenna - Google Patents

Abstract

The utility model relates to an interphone accessory, and provides a novel earphone with a frequency-adjustable antenna, which comprises a belt body, an input interface, an earphone loudspeaker, an earphone microphone, a connecting seat and an adapter, wherein the input end of the adapter is provided with a second magnet which is matched with the first magnet of the input interface and has opposite polarity, the input end of the adapter is provided with a third wire post and a fourth wire post which are respectively connected with the first wire post and the second wire post of the input interface in a matching contact manner in a penetrating manner, one end, far away from the contact connection between the first wire post and the second wire post, of the third wire post and the fourth wire post of the adapter is provided with a plug and a USB connector in parallel, one wire connected with the earphone loudspeaker of the belt body is connected with the adapter through the input interface, and the plug or the USB connector of the adapter is connected with a radio frequency transceiver antenna interface of an interphone main board as an antenna for transmitting radio frequency signals for radio frequency signal receiving and transmitting. The utility model solves the problems that the existing mini interphone is not small enough and the function of the matched earphone is single.

Description

Novel earphone with frequency-adjustable antenna

Technical Field

The utility model relates to the technical field of interphone accessories, in particular to a novel earphone with a frequency-adjustable antenna.

Background

The interphone is a terminal device for trunking communication, and can be used as not only the terminal device for trunking communication, but also a professional wireless communication tool in mobile communication. The types of the prior interphones are more and more, so that the volume of the interphone is gradually reduced for being convenient to use, the interphone is convenient to hide, the use privacy is stronger, and the mini interphone is used for transportation. The antenna is the one end of setting outside the intercom body alone, and earphone detachably sets up the other end at mini intercom alone and the function is single to make whole mini intercom have great volume, be inconvenient for implementing this design theory of "mini". Therefore, how to further reduce the volume of the intercom is a urgent problem to be solved. For this reason my department developed a new pattern intercom, CN202211357966.1 in chinese patent literature discloses a waterproof intercom, including the earphone area, the charging seat, the intercom casing, locate circuit motherboard and the battery in the intercom casing, the intercom casing sets up sealed first wire post, the second wire post, third wire post and the fourth wire post of wearing to be equipped with on one side of first magnet, the earphone area includes the area body, locate input interface and earphone loudspeaker on the area body, be equipped with the second magnet opposite with intercom casing first magnet polarity on the input interface of earphone area, charging seat upper portion is equipped with the third magnet opposite with intercom casing first magnet polarity, charging seat upper surface is equipped with two power output terminals and two power output terminals are located the correspondence phase-match contact connection with intercom casing third wire post and fourth wire post outside one end respectively. The utility model solves the problems of poor waterproof performance, large volume and the like of the traditional interphone. However, the earphone with the antenna can only adopt single frequency band communication, and has certain limitation and inconvenience in use.

Disclosure of Invention

Therefore, aiming at the problems, the utility model provides the novel earphone with the adjustable frequency antenna, which has reasonable structure, effectively saves the size and the length of the mini interphone and is convenient to use.

In order to solve the technical problem, the utility model adopts the following scheme: the utility model provides a novel take earphone of adjustable frequency antenna, includes the area body, input interface, earphone loudspeaker and earphone microphone, still includes connecting seat and adapter, wear to be equipped with first conductor and second conductor on the input interface, the first conductor and the second conductor electricity of area body one end and input interface one end are connected, be equipped with first magnet on the input interface other end, the adapter input is equipped with the second magnet looks adaptation and the opposite polarity with the input interface and wears to be equipped with respectively with first conductor of input interface and second conductor on the adapter input, third conductor and fourth conductor that contact is connected, third conductor and fourth conductor of adapter keep away from with first conductor and second conductor contact are connected in parallel and are equipped with plug and USB joint, earphone loudspeaker and earphone microphone all locate on the connecting seat, the one end that the area body kept away from the input interface penetrates connecting seat and earphone microphone detachable electrical connection, the length of area body is the length of corresponding with the first magnet looks adaptation of input interface and the second magnet of polarity opposite is equipped with on the adapter input interface, and the antenna transducer is connected as the radio frequency band antenna looks transceiver and the same with the same antenna of radio frequency band microphone, can carry out the radio frequency signal through the plug and the same transceiver with the antenna of the antenna is connected with the plug through the antenna of the same wire of the strip microphone and the antenna, and the transceiver is connected with the plug of the antenna of the earphone microphone through the antenna.

Further improvements include an air duct earplug, the inlet of which penetrates the connection socket to connect with the earphone horn.

Further improvement, the area body is connected with the connecting seat is dismantled and assembled through the second USB interface, and earphone loudspeaker and earphone microphone are all linked together with the input interface through the area body through the second USB interface.

By adopting the technical scheme, the utility model has the beneficial effects that: the radio frequency receiving and transmitting antenna interface of the intercom circuit main board is compounded to the audio frequency input and output interface of the intercom circuit main board, one wire in the band body connected with the earphone speaker is connected with the adapter through the input interface and is connected with the radio frequency receiving and transmitting antenna interface of the intercom circuit main board through the plug or the USB connector of the adapter to transmit radio frequency signals as an antenna for receiving and transmitting radio frequency signals, the length of the band body is the same as the length of the strip antenna of the corresponding frequency band, the band body penetrates the connecting seat to be detachably connected with the earphone speaker and the earphone microphone, the band body provided with the input interface is detachably connected with the adapter, the band body is detachably connected with the connecting seat, so that the connection between the earphone of different frequency bands and the intercom can be realized only by replacing the band body with the input interface of the antenna of the pre-connected frequency band, thereby make the installation space of antenna has been saved in the intercom casing for intercom casing overall length reduces by a wide margin, mounting structure is simpler quick, set up the adapter and make the user can directly take off the adapter with the wire column type audio input output interface actuation of input interface direct with the intercom be connected, the audio input output interface of plug and socket complex audio input output interface connection or the intercom of also can be connected for the USB interface through the adapter with current intercom, realize that the earphone all can be general with current intercom or I's new version intercom, guarantee the quick frequency modulation of intercom when reducing the intercom volume, need not to receive the frequency limitation, it is more convenient to use. Through further setting, the setting of air duct earplug makes earphone whole length obtain effectual extension for the user wears to use more conveniently, and the area body is connected with earphone loudspeaker and earphone microphone through the USB interface, makes it change the area body and adopts the antenna of different frequency channels to carry out the radio frequency signal and receive and dispatch when simple convenient.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a schematic end-face structure of an input interface and an adapter according to an embodiment of the present utility model.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1 and 2, the novel earphone with tunable antenna of the present utility model preferably comprises a band body 1, an input interface 2, an earphone speaker, an adapter 3, an earphone microphone 4, an air conduit earplug 5 and a connecting seat 6, wherein a first wire pole 21 and a second wire pole 22 are penetrated on the input interface 2, two magnets 23 are arranged on two sides of the first wire pole 21 and the second wire pole 22 of the input interface 2, one end of the band body 1 is electrically connected with the first wire pole 21 and the second wire pole 22 of one end of the input interface 2, a second magnet which is matched with the two magnets 23 of the input interface 2 and has opposite polarity is arranged at the input end of the adapter 3, a third wire pole and a fourth wire pole which are respectively contacted and connected with the first wire pole 21 and the second wire pole 22 of the input interface 2 are penetrated on the input end of the adapter 3, the third and fourth wire columns of the adapter 3 are connected in parallel with a plug 31 and a USB connector 32 at the end far away from the contact connection with the first and second wire columns 21 and 22, the earphone speaker and the earphone microphone 4 are all arranged on the connecting seat 6, the end of the belt body 1 far away from the input interface 2 is detachably connected with the connecting seat 6 through the second USB interface 11, the earphone speaker and the earphone microphone 4 are all communicated with the input interface 2 through the second USB interface 11, the inlet of the air conduit earplug 5 penetrates into the connecting seat 6 to be connected with the earphone speaker, the length of the belt body 1 is the same as the length of the strip antenna of the corresponding frequency band, the earphone speaker and the earphone microphone 4 are respectively connected with the adapter 3 through the input interface 2 and are detachably connected with the earphone audio input/output interface of the intercom circuit main board through the plug 31 or the USB connector 32 of the adapter 3, one of the wires connected with the earphone horn of the band body 1 is connected with the adapter 3 through the input interface 2, and is connected with a radio frequency receiving and transmitting antenna interface of the main board of the intercom circuit through a plug 31 or a USB connector 32 of the adapter 3 to transmit radio frequency signals as an antenna for receiving and transmitting radio frequency signals.

In the utility model, only the radio frequency receiving and transmitting antenna interface of the intercom circuit main board is connected to the earphone audio frequency input and output interface of the intercom circuit main board, so that the earphone is not limited by fixed frequency, the length of a band body of an earphone band is the same as that of a strip antenna of a corresponding frequency band, if the intercom main body adopts a 433M antenna to receive and transmit radio frequency signals, the length of a wire connected with an earphone horn in the band body is 433M strip antenna, the input interface of the earphone can also be the conventional interface, and only the radio frequency receiving and transmitting antenna interface connection line of the intercom circuit main board is connected to the audio frequency input and output interface of the intercom circuit main board in a compound mode.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (3)

1. Novel take earphone of adjustable frequency antenna, including area body, input interface, earphone loudspeaker and earphone microphone, its characterized in that: still include connecting seat and adapter, wear to be equipped with first lead post and second lead post on the input interface, the first lead post and the second lead post electricity of taking body one end and input interface one end are connected, be equipped with first magnet on the input interface other end, the adapter input is equipped with the second magnet looks adaptation and the opposite polarity of input interface and wears to be equipped with respectively with input interface first lead post and second lead post matching contact connection's third lead post and fourth lead post on the adapter input, the third lead post and the fourth lead post of adapter keep away from and be equipped with plug and USB joint with the one end parallel connection of first lead post and second lead post contact connection, earphone loudspeaker and earphone microphone all locate on the connecting seat, the one end that the input interface was kept away from to the body is worn to be connected with earphone loudspeaker and earphone microphone detachable electricity, the length of taking body is the same with the strip antenna length of corresponding frequency channel, earphone loudspeaker and earphone loudspeaker pass through the body and the adapter respectively and are connected with the antenna plug of electromechanical transducer through the input interface and the transceiver of electromechanical transducer and the transceiver, can carry out radio frequency signal connection with the antenna plug-microphone through the adapter plug connector of the host computer and the transceiver of the adapter.

2. The novel earphone with a tunable antenna of claim 1, wherein: the earphone also comprises an air conduit earplug, wherein an inlet of the air conduit earplug penetrates into the connecting seat to be connected with the earphone loudspeaker.

3. The novel earphone with a tunable antenna of claim 1, wherein: the belt body is detachably connected with the connecting seat through a second USB interface, and the earphone loudspeaker and the earphone microphone are both communicated with the input interface through the belt body through the second USB interface.