CN112788457A

CN112788457A - Earphone set

Info

Publication number: CN112788457A
Application number: CN201911065269.7A
Authority: CN
Inventors: 庞土权
Original assignee: Wanmo Acoustics Co ltd
Current assignee: 1more Shen Zhen Acoustic Technology Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2021-05-11
Anticipated expiration: 2039-11-04
Also published as: CN112788457B

Abstract

The present invention relates to an earphone. An earphone, comprising: the shell is provided with a sound receiving port; the circuit board is arranged in the shell, a through hole communicated with the sound receiving port is formed in the circuit board, an intermediate channel is arranged between the sound receiving port and the through hole, and the sound receiving port, the intermediate channel and the through hole are communicated to form a sound channel; the two electric connecting pieces are respectively arranged at two sides of the sound channel and are used for charging the earphone or transmitting signals; the microphone is electrically connected with the circuit board and is positioned on the side, far away from the sound receiving port, of the circuit board, and is provided with an input part for inputting sound, and the input part corresponds to the through hole; the shell fixedly supports one end of the electric connecting piece, and the circuit board fixedly supports the other end of the electric connecting piece. The earphone in this application simple structure, and the assembly of being convenient for has improved production efficiency, and has guaranteed the product small.

Description

Earphone set

Technical Field

The invention relates to the technical field of electronic equipment, in particular to an earphone.

Background

With the development of electronic products, the miniaturization and portability of electronic products are receiving more and more attention.

For example, the conventional wireless headset usually has a call function and a charging function, the call requires a microphone, the charging requires a battery and a charging connector, how to arrange the microphone and the charging connector reasonably, reduce the volume of the headset, and facilitate assembly is a technical problem to be solved in the field.

Disclosure of Invention

In view of the above, it is necessary to provide an earphone in order to solve the above technical problems.

An earphone, comprising:

the sound receiving device comprises a shell, a sound receiving port and a sound emitting unit, wherein the shell is provided with the sound receiving port;

the circuit board is arranged in the shell, a through hole communicated with the sound receiving port is formed in the circuit board, an intermediate channel is arranged between the sound receiving port and the through hole, and the sound receiving port, the intermediate channel and the through hole are communicated to form a sound channel;

the two electric connecting pieces are respectively arranged at two sides of the sound channel and are used for charging the earphone or transmitting signals; and

the microphone is electrically connected with the circuit board and is positioned on the side, far away from the sound receiving port, of the circuit board, and the microphone is provided with an input part for inputting sound, and the input part corresponds to the through hole; the shell fixedly supports one end of the electric connecting piece, and the circuit board fixedly supports the other end of the electric connecting piece.

In one embodiment, the side of the microphone having the input portion is soldered to the circuit board.

In one embodiment, a groove is formed in the housing, and the electrical connector and the sound receiving port are both arranged in the groove and do not protrude out of the boundary of the groove.

In one embodiment, the electrical connector is flush with the bottom surface a of the recess.

In one embodiment, the sound-absorbing device further comprises a filter screen, wherein the filter screen is arranged in the sound-absorbing port, or the filter screen is arranged in the through hole, or the filter screen is arranged between the sound-absorbing port and the through hole.

In one embodiment, a sealing member for preventing sound leakage is arranged between the sound receiving port and the through hole, a channel is arranged in the sealing member, and the channel forms at least one part of the middle channel; the electrical connection passes through the seal.

In one embodiment, the seal is foam or EVA.

In one embodiment, the earphone includes a stem, the electrical connector being disposed at a distal end of the stem; the electric connector sequentially penetrates through the shell at the tail end of the rod part, the magnetic part and the circuit board.

In one embodiment, the electrical connection passes through the housing, the magnetic member, the seal member and the circuit board at the distal end of the stem in sequence.

In one embodiment, a main board is arranged in the rod part, and a flexible circuit board is connected between the main board and the circuit board.

Has the advantages that: the earphone in this application has electric connector and microphone, and along with the miniaturized development of earphone, the inside space of earphone is compacter and compacter, through the position of rational design electric connector and microphone, concentrates both designs, has fully reduced shared space volume, simple structure, and the assembly of being convenient for has improved production efficiency, and has guaranteed the product small volume.

Drawings

FIG. 1 is a cross-sectional view of a headset in one embodiment of the present application;

fig. 2 is an exploded view of the headset shown in fig. 1;

FIG. 3 is a schematic diagram of a headset in an embodiment of the present application;

fig. 4 is a schematic diagram of the internal structure of the earphone in an embodiment of the present application.

Reference numerals: 100. a housing; 101. a sound receiving port; 102. a groove; 110. a circuit board; 111. a through hole; 120. a microphone; 121. an input section; 130. an electrical connection; 131. a long rod part; 132. an end portion; 140. a filter screen; 150. a seal member; 160. a magnetic member; 200. a main board; 210. an antenna; 211. a processor chip; 212. a noise reduction microphone; 213. a battery; 214. a flexible circuit board.

Detailed Description

To facilitate an understanding of the invention, the invention is described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

An earphone includes a housing 100 and a microphone 120 disposed within the housing 100, the microphone 120 having an input portion 121 for inputting sound.

Fig. 1 is a sectional view of a headset in one embodiment, and fig. 2 is an exploded view of the headset shown in fig. 1. The partial view of the earphone is only shown, and the partial view mainly shows the positional relationship of the microphone 120 and the electrical connection member 130.

As shown in fig. 1 and 2, the headset includes a housing 100, only a portion of the housing 100 being shown. The casing 100 is provided with a sound receiving port 101, and the sound receiving port 101 serves as a sound passage for communicating the outside with the electronic components of the casing 100. A circuit board 110 is arranged in the casing 100, a through hole 111 is arranged on the circuit board 110, the through hole 111 is communicated with the sound receiving port 101, in one embodiment, an intermediate channel is arranged between the sound receiving port 101 and the through hole 111, the sound receiving port 101 and the intermediate channel are communicated to form a sound channel; the external sound signal first enters the sound receiving port 101, and then is transmitted into the intermediate channel and the through hole 111 through the sound receiving port 101. A microphone 120 is also electrically connected to the circuit board 110, and the microphone 120 has an input portion 121 for inputting sound, and the input portion 121 corresponds to the through hole 111. The sound signal propagating in the through hole 111 can be acquired by the input portion 121 of the microphone 120. In one embodiment, the end of the microphone 120 having the input portion 121 is soldered to the circuit board 110. Alternatively, the microphone 120 has one end having the input portion 121 hermetically connected to the circuit board 110.

In one embodiment, as shown in fig. 1 and fig. 2, the microphone 120 is disposed on the side of the circuit board 110 away from the sound receiving port 101, for example, in fig. 1, the sound receiving port 101 is disposed on the upper side of the circuit board 110, and the microphone 120 is disposed on the lower side of the circuit board 110, it should be understood that the upper side and the lower side are only for the state shown in fig. 1, and when the electronic device is placed in other postures, the orientation relationship may be adjusted accordingly. External sound enters the input portion 121 of the microphone 120 through the sound receiving port 101 and the through hole 111.

As shown in fig. 1, the earphone further includes at least two electrical connectors 130 electrically connected to the circuit board 110. Two electrical connectors 130 are respectively disposed at two sides of the sound receiving port 101 or the sound channel, and the electrical connectors 130 protrude out of the housing 100. The electrical connector 130 is a metal part capable of electrically connecting the circuit board 110 of the earphone and an external connector, and can be used for charging the earphone and providing signal transmission for the earphone. For example, a rechargeable battery 213 electrically connected to the circuit board 110 is provided in the earphone, and the rechargeable battery 213 can be charged when an external charging device is connected to the electrical connector 130.

The microphone 120 and the electrical connector 130 in the above embodiments are compact in structure and convenient to assemble.

In one embodiment, as shown in FIG. 1, the electrical connections 130 are generally elongated. The electrical connector 130 may include an elongated rod portion 131 and an end portion 132 connected to the elongated rod portion 131, the elongated rod portion 131 being electrically connected to the circuit board 110, for example, the elongated rod portion 131 is soldered on the circuit board 110. The end portion 132 has at least one flat surface that facilitates direct interference with other electrical contacts to make electrical connection.

In the above embodiment, the housing is made of a non-conductive plastic material, and the housing supports one end of the electrical connector 130, and the other end of the electrical connector 130 is supported by the circuit board 110, so that the electrical connector 130 is firmly mounted in the housing 100. Because the number of the electric connecting pieces 130 is at least two, and the shell is made of the non-conductive plastic material, the two electric connecting pieces 130 are electrically insulated by the non-conductive shell, and the safety is improved.

In one embodiment, the housing may be made of a metal material, but at least a portion of the housing contacting the electrical connector 130 is provided with an insulating member, for example, a rubber sleeve, and the electrical connector 130 and the housing are separated by the rubber sleeve, so that the housing is prevented from electrically connecting the two electrical connectors 130, and safety is improved.

As shown in fig. 3, fig. 3 is a schematic structural diagram of an earphone in an embodiment. Fig. 3 shows the complete housing 100. As shown in fig. 3, the casing 100 is provided with a groove 102, and the electrical connector 130 and the sound-receiving port 101 are both accommodated in the groove 102 and do not protrude from the boundary of the groove 102. When the earphone is placed in the bag, the two electric connectors 130 are easily electrically conducted by the electric conductors such as keys or coins, if the two electric connectors 130 are connected with the rechargeable battery 213, the risk of short circuit is easily caused, and the electric connectors 130 are accommodated in the groove 102 and do not protrude out of the boundary of the groove 102, so that the electric conduction of the plurality of electric connectors 130 by the keys or coins can be prevented, and the safety is improved. In one embodiment, as shown in FIG. 1, electrical connection 130 is flush with bottom surface a of recess 102. In one embodiment, the electrical connector 130 may be recessed on the bottom surface of the groove 102 to further improve safety.

As shown in fig. 4, fig. 4 shows a schematic structural diagram of the headset in one embodiment. As shown in fig. 4, the headset is a wireless noise reduction headset. The wireless noise reduction earphone comprises a main board 200, wherein an antenna 210, a processor chip 211, a noise reduction microphone 212 and a battery 213 are arranged on the main board 200. The lower end of fig. 4 is also provided with the circuit board 110, the microphone 120, the electrical connector 130, and the like in the above-described embodiments. The circuit board 110 is electrically connected to the main board 200. As shown in fig. 4, the microphone 120 and the electrical connector 130 are collectively disposed in the bottom space of the earphone, so that the earphone is compact. In one embodiment, as shown in fig. 1, a filter 140 is disposed between the sound receiving port 101 and the through hole 111, and the filter 140 can isolate external impurities such as dust, thereby preventing the impurities from reducing the sensitivity of the input portion 121 of the microphone 120 to sound. In some embodiments, the filter screen 140 may also be disposed in the sound-collecting port 101, and may also be disposed in the through hole 111.

In one embodiment, since the sound of the microphone 120 enters the through hole 111 through the sound receiving port 101 and is then captured by the input part 121, in order to improve the sealing property of the interface between the sound receiving port 101 and the through hole 111, prevent sound leakage, and improve the sound receiving effect of the microphone 120, a sealing member 150 is disposed at the position where the sound receiving port 101 and the through hole 111 are in interface, and both ends of the sealing member 150 abut against the circuit board 110 and the housing 100. In one embodiment, an intermediate channel is disposed between the sound-absorbing port 101 and the through hole 111, for example, a channel communicating the sound-absorbing port 101 and the through hole 111 is disposed on the sealing member 150, and the channel on the sealing member 150 constitutes at least a part of the intermediate channel. For example, the sealing member 150 may be foam or EVA (ethylene vinyl acetate). The foam or EVA material is soft and has certain shock absorption performance.

In one embodiment, the electrical connector 130 passes through the seal 150, such that the electrical connector 130 can position the seal 150 to a degree that improves the security of the seal 150. Of course, in other embodiments, the electrical connectors 130 may be disposed on both sides of the sealing member 150, that is, the sealing member 150 may be sized such that the sealing member 150 is penetrated by the electrical connectors 130, or the sealing member 150 may not be penetrated by the electrical connectors 130.

In one embodiment, the electrical connection member 130 may be a pillar structure, such as a copper pillar, which will interfere with an external charging pillar to realize charging when the electrical connection member 130 is used as a charging pillar. In order to ensure the reliability of the interference, the magnetic member 160 may be disposed in the earphone, and then the magnet may be disposed outside, and the magnetic member 160 and the magnet may be attracted to each other, so that the charging post of the earphone and the external charging post are electrically connected with each other.

For example, the magnetic member 160 may be in a ring shape, a channel is formed in the middle of the ring-shaped magnetic member 160, and the sound receiving port 101, the channel in the middle of the ring-shaped magnetic member 160, and the through hole 111 on the circuit board 110 together form a sound channel, through which sound from the outside of the earphone enters the input portion 121 of the microphone 120.

In one embodiment, the magnetic member 160 may also be a block-shaped member, and the magnetic member 160 has no channel, and in this embodiment, the magnetic member 160 may be disposed away from the sound channel, that is, the magnetic member 160 may be disposed on the outer side of the sound channel.

As shown in fig. 3, an earphone includes a stem g having at least two electrical connectors 130 provided at a distal end thereof. The magnetic member 160 is disposed at the end of the rod portion g, and the electrical connector 130 may sequentially pass through the housing 100 of the rod portion g, the magnetic member 160 and the circuit board 110. In one embodiment, the electrical connector 130 may pass through the housing 100 of the stem portion g, the magnetic member 160, the sealing member 150, and the circuit board 110 in sequence. The housing 100 of the rod portion g is provided with a sound-absorbing port 101, and the sound-absorbing port 101 is disposed between the two electrical connectors 130. Specifically, a circuit board 110 is disposed in the rod portion g, and a through hole 111 communicating with the sound receiving port 101 is disposed in the circuit board 110. The microphone 120 is arranged in the rod portion g, the microphone 120 is electrically connected to the circuit board 110 and is located on the side of the circuit board 110 far away from the sound receiving port 101, the microphone 120 is provided with an input portion 121 for inputting sound, and the input portion 121 corresponds to the through hole 111.

In one embodiment, as shown in FIG. 4, motherboard 200 is connected to circuit board 110 using a flexible circuit board 214.

In one embodiment, the circuit board 110 and the electrical connector 130 disposed on the circuit board 110 form a connector assembly, and the connector assembly and the motherboard 200 can be manufactured independently. When assembling, after the main board 200 is loaded into the rod portion g, the circuit board 110 and the main board 200 may be soldered by the flexible circuit board 214, and the connector assembly may be further assembled to the end of the rod portion g.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An earphone, comprising:

the sound-absorbing device comprises a shell (100), wherein a sound-absorbing port (101) is arranged on the shell (100);

a circuit board (110) disposed in the housing (100), wherein a through hole (111) communicating with the sound receiving port (101) is formed in the circuit board (110), an intermediate channel is formed between the sound receiving port (101) and the through hole (111), and the sound receiving port (101), the intermediate channel and the through hole (111) are communicated to form a sound channel;

at least two electric connecting pieces (130) electrically connected with the circuit board (110), wherein the two electric connecting pieces (130) are respectively arranged at two sides of the sound channel, and the electric connecting pieces (130) are used for charging the earphone or transmitting signals; and

the microphone (120) is electrically connected to the circuit board (110) and located on the side, away from the sound receiving port (101), of the circuit board (110), the microphone (120) is provided with an input part (121) for inputting sound, and the input part (121) corresponds to the through hole (111); the shell (100) fixedly supports one end of the electric connector (130), and the circuit board (110) fixedly supports the other end of the electric connector (130).

2. The headset of claim 1, wherein the side of the microphone (120) having the input (121) is soldered to the circuit board (110).

3. The earphone according to claim 1, wherein a groove (102) is provided on the housing (100), and the electrical connector (130) and the sound-absorbing port (101) are both disposed in the groove (102) and do not protrude beyond the boundary of the groove (102).

4. The ear cup as claimed in claim 3, characterised in that the electrical connection (130) is flush with the bottom surface a of the recess (102).

5. The earpiece of claim 1, further comprising a filter screen (140), the filter screen (140) being disposed within the sound-receiving port (101), or the filter screen (140) being disposed within the through-hole (111), or the filter screen (140) being disposed between the sound-receiving port (101) and the through-hole (111).

6. The earpiece according to claim 1, wherein a seal (150) preventing sound leakage is provided between the sound-receiving opening (101) and the through-hole (111), the seal (150) having a channel opened therein, the channel constituting at least a part of the intermediate channel; the electrical connection (130) passes through the seal (150).

7. The earphone of claim 6, wherein the seal (150) is foam or EVA.

8. The earphone according to claim 6, characterized in that it comprises a stem (g), the electrical connection (130) being arranged at the end of the stem (g); the electric connector is characterized by further comprising a magnetic part (160) arranged in the tail end of the rod part (g), and the electric connector (130) sequentially penetrates through the shell (100) at the tail end of the rod part (g), the magnetic part (160) and the circuit board (110).

9. The earphone according to claim 8, wherein the electrical connection (130) passes through the housing (100), the magnetic element (160), the seal (150) and the circuit board (110) of the end of the stem (g) in sequence.

10. The headset of claim 9, wherein a main board (200) is disposed within the stem (g), and a flexible circuit board (214) is connected between the main board (200) and the circuit board (110).