CN2653827Y - wireless earphone unit - Google Patents

Abstract

The utility model relates to a wireless earphone device, in particular to a wireless earphone device which can be applied to various audio devices, comprising a signal transmitting seat and a receiving earphone, wherein, the transmitting antenna of the signal transmitting seat and the receiving antenna of the receiving earphone can be embedded on the periphery of the main body, thus preventing the antenna from being damaged due to collision; the signal transmitting seat forms a combination seat, and the receiving earphone forms a combination body which can be placed into the combination seat of the signal transmitting seat for combination, so that the chance of accidental loss can be reduced, and the receiving earphone can be charged at the same time; in addition, the signal transmitting base is connected with an audio device by a signal connector, and can obtain power from the audio device through the signal connector, and can also charge the signal transmitting base and the audio device by an external power supply.

Description

wireless earphone unit

technical field

The utility model relates to a wireless earphone device, in particular to a wireless earphone device which can be applied to various audio devices. The signal transmitting seat is combined with the receiving earphone to charge the earphone, and the electric power can be effectively used and manage.

Background technique

In the past, various audio devices, such as mobile circuits, often needed to wear earphones connected with signal lines when they needed privacy or were afraid of disturbing others. When wearing wired earphones, the range of action of the individual will be limited by the earphone cable, causing considerable inconvenience.

In order to solve this problem, some factories use the principle of wireless signal transmission to develop earphones that can receive audio wirelessly. For example, the Taiwan New Patent Publication No. 449223 "Frequency Modulation Using Wireless Earphone Type with Mobile Circuit" is one example, such as Figure 1.

It mainly connects the mobile circuit to a hands-free connection base 12, and the hands-free connection base 12 cooperates with an earphone 14 in a FM wireless manner. The earphone 14 has a casing 141 , and a receiving antenna 142 extends from the casing 141 , and a receiving circuit and a sound amplifying circuit are arranged inside the casing 141 .

The hands-free connection base 12 is coupled to the connection groove 129 of the mobile circuit by a mobile circuit connection line 131 . The other end of the mobile circuit connection line 131 is connected to the hands-free connection base 12, and a control circuit 127 is arranged in the hands-free connection base 12. After receiving the signal from the mobile circuit, the control circuit 127 is used to generate radio frequency, and the radio frequency is transmitted through the hands-free connection base. A transmitting antenna 122 extending from 12 transmits a voice signal, and when the receiving antenna 142 of the earphone receives it, it emits a sound.

The control circuit 127 in the hands-free connection base 12 is connected with a frequency tuning button 125 to one side of the hands-free connection base 12 for selecting a frequency to match the frequency set by the earphone 14 to achieve a loop for receiving calls. In addition, a built-in microphone 126 is provided in the hands-free connection base 12 to receive sound and complete the loop of speaking. In addition, a charging circuit is provided, and a car charging line (not shown) is used to connect the power supply of the cigarette lighter to the charging connection groove 124 of the hands-free connection base 12 via a charging circuit in the line. A control switch 123 is also provided on the hands-free connection base 12 to determine whether to charge the mobile circuit.

In the casing 141 of the earphone 14 , a speaker 144 is arranged beside the receiving circuit, which can emit sound through a sound penetration hole 145 . The earphone 14 is hung on the ear by an ear hook 146 , and the ear hook 146 is buckled on the peripheral protrusion of the sound penetration hole 145 . In addition, the housing 141 of the earphone is provided with a switch 143 for switching the earphone 14 on, off, and FM radio.

Although the above-mentioned conventional wireless earphones can achieve the functions of hands-free and wireless listening to mobile circuits, they still have some defects. First of all, the receiving antenna and the transmitting antenna extend outward from the hands-free connecting seat or the main body of the earphone. In addition to taking up space, the antenna is also easily broken and damaged due to collisions; secondly, the earhook is a fixed design. All are suitable for the right ear, and it is extremely inconvenient for the left-eared user; in addition, in terms of the configuration and use of electricity, there is no other function or explanation except that the car charger can be used to charge the mobile phone; in addition, its The separate design of the earphone and the hands-free connection seat allows the user to move easily when wearing it, but it is also easy to cause the dilemma of nowhere to place the earphone when not in use, or cause loss due to casual placement.

Contents of the invention

The main purpose of the utility model is to provide a wireless earphone device, which can save space and prevent loss by using the signal transmitting seat and the shell of the receiving earphone so that the receiving earphone can be combined with the signal transmitting seat when not in use.

The secondary purpose of the present invention is to provide a wireless earphone device, the antenna of which can be fitted to the periphery of the joint of the casing, which can save space, prevent collision damage, and achieve the effect of beautifying the appearance.

Another object of the present invention is to provide a wireless earphone device, the receiving earphone is combined with the signal transmitting seat when not in use, and various power sources are used to charge the receiving earphone.

Another object of the present invention is to provide a wireless earphone device, the signal connector of which can be replaced with connectors of various mobile phones and special connectors of various audio devices, which can be conveniently used by users in various audio devices.

In order to achieve the above and other objects, the utility model provides a wireless earphone device, which includes a signal transmitting seat and a receiving earphone, wherein the signal transmitting seat includes an upper shell, and its upper surface forms a joint seat, which can be The receiving earphone is fixed and combined on it; a circuit board is provided with a signal transmitting circuit and a power supply circuit; the lower casing can be combined with the upper casing to fix the circuit board in it; a transmitting antenna is connected to the circuit board The signal transmitting circuit can be embedded in the periphery of the joint between the upper shell and the lower shell; and a signal connector is located on one side of the signal transmitting seat and can be plugged into an audio generating device; and the receiving earphone The structure includes a lower cover, the lower surface of which forms a combined body, which can be placed in the combined seat of the upper housing of the signal transmitting seat for combination; an earphone circuit board is provided with a receiving and broadcasting circuit and a power control circuit; a loudspeaker , connected to the broadcasting circuit; an upper cover, which can be combined with the lower cover to fix the earphone circuit board and the loudspeaker; a receiving antenna, connected to the receiving and broadcasting circuit of the earphone circuit board, can be used to receive signals from the signal transmitting seat; And an ear hook, which is located at one end of the upper cover, can hang the receiving earphone on the user's ear; the design of the utility model can achieve the effects of wireless reception, space saving and effective use of power supply.

In order to further understand the features, structure and achieved effects of the utility model, the utility model will be described in detail below with specific examples in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a perspective view of a conventional wireless earphone;

Fig. 2 is the three-dimensional exploded view of a preferred embodiment of the utility model;

Fig. 3 is a schematic diagram of the combination of the receiving earphone and the earhook of the utility model;

Fig. 4 is the combined schematic diagram of the signal transmitting seat of the present invention and the receiving earphone;

Figure 5A is a three-dimensional combined view of another embodiment of the present invention; and

Fig. 5B is a three-dimensional combined view of another embodiment of the present invention.

Explanation of reference signs: 12 hands-free connection seat; 121 seat body; 122 transmitting antenna; 123 switch; 124 charging connection slot; 125 frequency modulation button; 126 microphone; 127 control circuit; 128 sound penetration hole; Circuit connection line; 14 earphone; 141 shell; 142 receiving antenna; 143 switch; 144 speaker; 145 sound penetration hole; 146 ear hook; 20 receiving earphone; 21 upper cover; 211 LED; ; 231 groove; 233 manual switch; 24 loudspeaker; 251 flange; 253 charging electrode; 27 receiving antenna; Upper shell; 331LED; 333 microphone; 35 combination seat; 351 groove; 353 pressure shrapnel; 355 bump; 357 power supply electrode; 359 switch; 37 transmitting antenna; 39 connector slot; 40 signal connector; 403 power supply terminal; 42 audio source connector; 44 mobile phone connector; 45 connector fixing seat; 50 earphone circuit board; 60 circuit board.

Detailed ways

First of all, please refer to Fig. 2, Fig. 3 and Fig. 4, which are a three-dimensional exploded view of a preferred embodiment of the present invention, a schematic diagram of the combination of the receiving earphone and the earhook, and a schematic diagram of the combination of the receiving earphone and the signal transmitting seat. As shown in the figure, the wireless earphone device of this embodiment mainly includes a signal transmitting base 30 and a receiving earphone 20 .

The structure of the signal transmitting base 30 mainly includes an upper casing 33 , a circuit board 60 , a lower casing 31 , a transmitting antenna 37 and a signal connector 40 . Wherein, a coupling seat 35 is formed on the upper surface of the upper housing 33 for combining with the receiving earphone 20 . The circuit board 60 includes a power supply circuit and a signal transmitting circuit, and the circuit board 60 can be fixed therein by combining the upper case 33 and the lower case 31 . The transmitting antenna 37 is then connected to the signal transmitting circuit, and can be embedded in the periphery of the junction of the upper casing 33 and the lower casing 31, so that the maximum antenna performance can be reached in the limited space of the signal transmitting seat 30 seat body, and it will not Like conventional antennas there is a danger of breaking and being damaged. The signal connector 40 is combined with the slot 39 of the signal transmitting seat 30 through the connector fixing seat 45 at one end, and the other end includes a signal terminal 401 and a power terminal 403, which can be used to connect to an audio generating device, so as to obtain audio from the audio generating device. and power coupling. In addition, the signal transmitting base 33 is also provided with a microphone 333 for receiving sound and transmitting it to the audio generating device through the signal connector 40 .

The structure of the receiving earphone 20 mainly includes a lower cover 23 , an earphone circuit board 50 , a speaker 24 , a lower cover 21 , a receiving antenna 27 and an ear hook 29 . Wherein, a combination body 25 is formed on the lower surface of the lower cover 23 , which can be combined and fixed with the combination seat 35 of the signal transmitting seat 30 . The earphone circuit board 50 is provided with a receiving and broadcasting circuit and a power control circuit; the loudspeaker 24 is connected to the receiving and broadcasting circuit for playing the received audio; 50 and the loudspeaker 24 are fixed therein. The receiving antenna 27 is connected to the receiving and broadcasting circuit, so as to receive the signal emitted by the signal transmitting seat 30, and can be embedded in the periphery of the junction of the upper cover 21 and the lower cover 23, and can also be used in the limited space of the receiving earphone 20 main body. for maximum antenna performance. The earhook 29 uses a combination sleeve 291 to combine with the earhook coupling bolt 213 located at one end of the upper cover 21, and can be combined from the front side or from the back side, and can be used for the right ear and the left ear respectively. users use. In addition, the receiving earphone 20 can also have a manual switch 233 on the lower cover 23 thereof, which can be used to manually turn on or off the power of the receiving earphone 20 .

The audio generated by the audio generating device is transmitted to the signal transmitting circuit of the signal transmitting base 30 through the audio terminal 401 of the signal connector 40 , and then transmitted through the transmitting antenna 37 after being converted into a wireless signal. After the receiving antenna 27 of the receiving earphone 20 receives the signal, it is decoded and amplified by the receiving and broadcasting circuit, and then the speaker 255 emits a sound.

In this embodiment, two grooves 351 are respectively provided on both sides of the coupling seat 35 of the signal transmitting seat 30, and a pressure elastic piece 353 is formed between the two grooves 351, and a protrusion 355 is provided at the end of the pressure elastic piece 353. . The combined body 25 for receiving the earphone 20 is provided with a flange 251 and a groove 231 on both sides thereof. When the receiving earphone 20 is combined with the signal transmitting seat 30 , the flanges 251 of the combined body 25 can be used to slide into the corresponding grooves 351 of the combining seat 35 . At this time, the pressure elastic piece 353 will exert a positive pressure on the joint seat 25, and the protrusion 355 at the end of the pressure elastic piece 353 can be inserted into the groove 231, so as to ensure that the receiving earphone 20 will not come out without reason and be lost. .

In addition, the signal transmitting seat 30 can be provided with a switch 359 in a groove 351 of the joint seat 35, and a pair of power supply electrodes 357 can be provided at the root of the pressure elastic piece 353, and the receiving earphone 20 can be located at the corresponding position of the joint body 25. There is a pair of charging electrodes 253 on the top. When the receiving earphone 20 is combined with the signal transmitting seat 30, the pressure elastic piece 353 is pressed through the combination body 25 to touch the earphone charging switch located inside the pressure elastic piece 353. The conduction of the electrode 253 charges the rechargeable battery located inside the receiving earphone 20; The setting frequency of the car audio is switched to the frequency range of the general FM radio, and the FM radio of the car audio can be set to the corresponding frequency when the call comes in, and the car audio can be used to broadcast. In addition, the manual switch 233 of the receiving earphone 20 can be arranged on the lower surface of its lower cover 23 at an appropriate angle, and when the receiving earphone 20 is combined with the signal transmitting seat 30, the pushing of the upper housing 33 of the signal transmitting seat 30 can be used Turning off the power of the receiving earphone 20 can prevent the user from wasting power because he forgot to turn off the power.

In addition, in this embodiment, the power source of the receiving earphone 20 is mainly a rechargeable battery, while the signal transmitting base 30 can be provided by a general battery 315 or a rechargeable battery, or even directly provided by an audio generating device without a battery. power to operate. When selecting a general battery as the power source of the signal transmitting seat 30, a battery seat needs to be added to the power supply circuit to insert the battery 315. The lower casing 31 can be provided with a battery cover 311 to facilitate the replacement of the battery 315 . The signal transmitting seat 30 can also be provided with an external power supply hole (not shown), which can be used to plug in an external power supply (such as a connection line connected to a vehicle cigarette lighter or a connection line connected to a computer USB connector), through its power supply circuit. The wireless earphone device and the audio generating device can be charged.

In order to make it easier for the user to understand the power status of the device, the utility model can also be provided with an LED 211 and 331 on the receiving earphone 20 and the signal transmitting seat 30, and can display each charge by using the bright, dark, flashing or discoloration of the LED. The battery is in the state of charging, charging complete or low voltage.

The power supply circuit of the circuit board 60 of the signal transmitter 50 includes a power control device, a rechargeable battery and an incoming call detector. Wherein, the power control device is respectively connected to the rechargeable battery, the incoming call detector, the signal transmitting circuit, and the power terminal 403 of the signal connector 40, the charging electrode 357 arranged on the joint seat, and the earphone charging switch arranged on the inner side of the pressure shrapnel. External power supply can be connected. The power control device can use the power obtained from the audio generating device through the power terminal 403 to charge the rechargeable battery, or charge the receiving earphone through the power supply electrode 357 when the earphone charging switch is activated. When plugged into an external power source, in addition to charging the rechargeable battery and the receiving earphone, the audio generating device can also be charged through the power terminal 403 .

According to whether there is an incoming call or not, the incoming call detector can make the power supply control device supply power to the signal transmitting circuit to transmit a signal or stop supplying power to enter a standby state. When there is no signal, the signal transmitting seat enters the standby state. At this time, if the user is still wearing the receiving earphone, he will hear noise due to no signal. It can remind the user to use the manual switch to turn off the power of the receiving earphone to save power. Purpose.

Finally, please refer to FIG. 5A and FIG. 5B , which are three-dimensional combined views of different embodiments of the present invention. It mainly shows that the signal transmitting seat 50 of the present invention can also use different signal connectors, such as the audio source connector 42 and various mobile phone connectors 44, etc. to connect different audio generating devices, such as personal computers, notebook computers, personal digital assistants ( PDA), mobile circuits, portable Internet machines, audio and other audio generating devices, etc.

To sum up, it should be known that the present utility model relates to a wireless earphone device, especially a wireless earphone device applicable to various audio devices. The headset can be charged, and the power can be effectively used and controlled.

The above description is only a preferred embodiment of the present utility model, and is not used to limit the implementation scope of the present utility model. All equal changes made according to the shape, structure, characteristics, spirit and method described in the claims of the present utility model are consistent with Modifications should be included in the protection scope of the present utility model.

Claims (10)

1. A wireless earphone device, comprising a signal transmitting seat and a receiving earphone, characterized in that: The signal transmitter includes: an upper shell, the upper surface of which forms a joint seat; A circuit board is provided with a signal transmitting circuit and a power supply circuit; The lower casing is combined with the upper casing to fix the circuit board in it; A transmitting antenna, connected to the signal transmitting circuit of the circuit board, and embedded in the periphery of the combination of the upper shell and the lower shell; and A signal connector, located on one side of the signal transmitting seat, plugged into an audio generating device; The receiving headset contains: The lower cover, the lower surface forms a combined body, which is put into the combined seat of the upper shell of the signal transmitting seat to be combined; An earphone circuit board is provided with a receiving and broadcasting circuit and a power control circuit; A loudspeaker, connected to the receiving and broadcasting circuit; An upper cover, which is combined with the lower cover to fix the earphone circuit board and the loudspeaker therein; A receiving antenna, connected to the receiving and broadcasting circuit of the earphone circuit board, is used to receive the signal sent by the signal transmitting seat; and An ear hook is arranged at one end of the upper cover. 2. The wireless earphone device as claimed in claim 1, wherein a groove is respectively provided on both sides of the coupling seat of the signal transmitting seat, and a pressure shrapnel is formed between the two grooves; The flanges are combined by sliding the flanges on both sides into the corresponding grooves. 3. The wireless earphone device as claimed in claim 2, wherein a set of power supply electrodes is provided in the joint seat of the signal transmitting seat, and a set of charging electrodes are provided in the joint body of the receiving earphone. 4. The wireless earphone device as claimed in claim 3, wherein the receiving earphone is further provided with a manual switch disposed on the lower surface of the lower cover at an appropriate angle. 5. The wireless earphone device as claimed in claim 2, wherein the power supply circuit further includes a call detector, which automatically supplies power to the signal transmitting circuit when an incoming call is detected, and makes the signal transmitting seat enter into the state of no incoming call. standby mode. 6. The wireless earphone device as claimed in claim 2, wherein the signal transmitting circuit generates a first frequency FM signal which is the same as the receiving frequency of the receiving earphone and a second frequency FM signal which falls within the frequency range of general FM radios; and A frequency switching switch is also arranged in the groove of the signal transmitting seat. 7. The wireless earphone device as claimed in claim 1, wherein the signal connector is one of various mobile phone connectors, audio source connectors and dedicated connectors for other audio generating devices. 8. The wireless earphone device as claimed in claim 1, wherein the power source of the signal transmitting base is one of a battery, a rechargeable battery, an external power source, a power source obtained from an audio generating device through a signal connector, and a combination thereof. 9. The wireless earphone device as claimed in claim 8, wherein the power supply circuit uses an external power source to charge the audio generating device. 10. The wireless earphone device as claimed in claim 1, wherein one end of the upper cover of the receiving earphone is provided with an ear-hook coupling plug, and the end of the ear-hook is provided with a coupling sleeve.

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