CN107027079B - Necklace type Bluetooth earphone - Google Patents
Necklace type Bluetooth earphone Download PDFInfo
- Publication number
- CN107027079B CN107027079B CN201710338659.1A CN201710338659A CN107027079B CN 107027079 B CN107027079 B CN 107027079B CN 201710338659 A CN201710338659 A CN 201710338659A CN 107027079 B CN107027079 B CN 107027079B
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- Prior art keywords
- circuit board
- control circuit
- antenna
- conductive
- cable antenna
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- 239000000919 ceramic Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Abstract
The invention provides a necklace type Bluetooth earphone which comprises a left earplug, a right earplug and a controller, wherein the controller comprises an opening elastic necklace type casing with two ends, a main control circuit board, a battery, a Bluetooth module left lead and a Bluetooth module right lead, the battery and the Bluetooth module are respectively and electrically connected with the main control circuit board, a cable antenna is arranged in the casing, and the cable antenna is electrically connected with the main control circuit board. The shell of the controller is provided with the open elastic necklace structure with two ends, so that the controller is necklace-shaped and is convenient to wear; the cable antenna is arranged, so that the cost is low; and with cable antenna overall arrangement in the casing, can conveniently confirm cable antenna's mounted position, can conveniently carry out overall arrangement molding to cable antenna simultaneously, be convenient for confirm size, length and the distribution position of antenna to improve signal transmission's stability and intensity, and then improve this neck ring formula bluetooth headset wireless communication's signal strength, guarantee that the communication is stable.
Description
Technical Field
The invention belongs to the field of headphones, and particularly relates to a necklace type Bluetooth headphone.
Background
The Bluetooth headset generally comprises two earplugs with sound generating units, a controller and leads for respectively electrically connecting the two earplugs with the controller; the controller is provided with a power supply battery, a control circuit board and a Bluetooth module. An antenna is generally arranged on the control circuit board to improve the signal transmission strength, so that the signal receiving and transmitting can be stabilized. However, since the area of the control circuit board is small, a large space is required for manufacturing the antenna thereon, the cost is high, and the mounting position of the control circuit board is limited, so that the antenna is difficult to be laid out to a proper position, resulting in weak signal strength.
Disclosure of Invention
The invention aims to provide a necklace type Bluetooth headset, which solves the problems of high cost and weak signal caused by the fact that an antenna is manufactured on a circuit board of the Bluetooth headset in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a necklace type bluetooth headset, including left earplug and the right earplug that is provided with sound unit respectively and be used for control left earplug with the controller of right earplug, the controller is including having the opening elasticity necklace type casing at both ends, locating main control circuit board in the casing, install in battery in the casing and be used for carrying out radio communication's bluetooth module, battery, bluetooth module respectively with main control circuit board electric connection, necklace type bluetooth headset still includes electric connection main control circuit board with left wire and the electric connection of left earplug main control circuit board with right wire of right earplug, still lay cable antenna in the casing, cable antenna with main control circuit board electric connection.
Further, the casing comprises a central control box, a left support arm and a right support arm which are respectively extended from two ends of the central control box, a left control box connected with the free end of the left support arm, and a right control box connected with the free end of the right support arm.
Further, at least one of the center control box, the left arm, the right arm, the left control box and the right control box is provided with the cable antenna.
Further, a left control circuit board and the cable antenna are installed in the left control box, the left control circuit board is electrically connected with the main control circuit board, and the cable antenna is distributed around the left control circuit board and is separated from the left control circuit board.
Further, a first antenna electrically connected with the cable antenna is arranged on the left control circuit board.
Further, the first antenna is a printed antenna or a ceramic antenna.
Further, a first flexible flat conductive wire extends from the left control circuit board, and a conductive layer electrically connected with the grounding layer of the left control circuit board is arranged on the first flexible flat conductive wire.
Further, a right control circuit board and the cable antenna are installed in the right control box, the right control circuit board is electrically connected with the main control circuit board, and the cable antenna is distributed around the right control circuit board and is separated from the right control circuit board.
Further, a second antenna electrically connected with the cable antenna is arranged on the right control circuit board.
Further, the second antenna is a printed antenna or a ceramic antenna.
Further, a second flexible flat conductive wire extends from the right control circuit board, and a conductive layer electrically connected with the grounding layer of the right control circuit board is arranged on the second flexible flat conductive wire.
Further, the cable antenna comprises a conductive inner core, a conductive outer layer and an insulating layer arranged between the conductive inner core and the conductive outer layer, and the conductive inner core is electrically connected with the main control circuit board.
Further, the tail end of the cable antenna is provided with a signal receiving and transmitting end, the signal receiving and transmitting end comprises a conductive section and an insulating section, the conductive section is a section of the conductive inner core extending out of the tail end of the conductive outer layer, the insulating section is a section of the insulating layer extending out of the tail end of the conductive outer layer, and the length of the signal receiving and transmitting end is one quarter of the wavelength of a received and transmitted signal.
Further, the cable antenna further comprises a protective outer layer sleeved on the conductive outer layer, and the conductive outer layer is arranged between the insulating layer and the protective outer layer.
The necklace type Bluetooth headset provided by the invention has the beneficial effects that: compared with the prior art, the shell of the controller is provided with the open elastic necklace structure with two ends, so that the controller is necklace-shaped and is convenient to wear; the cost is low by arranging the cable antenna; and with cable antenna overall arrangement in the casing, can conveniently install fixedly cable antenna, also be convenient for confirm cable antenna's mounted position, can conveniently lay out the molding to cable antenna simultaneously, be convenient for confirm size, length and the distribution position of antenna to improve signal transmission's stability and intensity, and then improve this neck ring formula bluetooth headset wireless communication's signal strength, guarantee that the communication is stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a necklace type bluetooth headset according to an embodiment of the invention;
fig. 2 is an exploded schematic view of a necklace type bluetooth headset according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the cable antenna in fig. 2.
FIG. 4 is a schematic diagram showing an exploded structure of the chassis, the left control circuit board, and the right control circuit board in FIG. 2;
FIG. 5 is a schematic diagram showing an exploded structure of the chassis, the left control circuit board and the right control circuit board in FIG. 4;
fig. 6 is a schematic structural diagram of a printed antenna disposed on a left control circuit board according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a ceramic antenna disposed on a left control circuit board according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another ceramic antenna disposed on a left control circuit board according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a ceramic antenna disposed on a third left control circuit board according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a combination of a left control circuit board and a first flexible circuit board according to an embodiment of the present invention;
fig. 11 and fig. 12 are schematic structural diagrams of a combination of a left control circuit board and a first flexible circuit board according to another embodiment of the present invention, where fig. 11 is a structural diagram of the left control circuit board and fig. 12 is a structural diagram of the first flexible circuit board.
Wherein, each reference numeral in the figure mainly marks:
100-necklace type Bluetooth headset; 11-left earplug; 12-right earplug; 13-left wire; 14-right wire; 20-a controller; 21-a housing; 211-a central control box; 212-left support arm; 213-right arm; 214-left control box; 215-right control box; 22-a main control circuit board; 23-cell; 30-a cable antenna; 31-a conductive inner core; 32-an insulating layer; 33-an electrically conductive outer layer; 34-a protective outer layer; 41-right control circuit board; 42-left control circuit board; 43-right control key; 44-left control key; 46-flexible circuit board.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
It should be noted that, in this embodiment, terms of left, right, up, down, etc. are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.
Referring to fig. 1 to 5, a description will be given of a necklace type bluetooth headset 100 according to the present invention. The necklace type Bluetooth headset 100 includes a left earpiece 11, a right earpiece 12, a controller 20, a left lead 13, a right lead 14, and a cable antenna 30; a sound generating unit is provided in the left earplug 11 to generate sound; a sound emitting unit is also provided in the right earplug 12 to emit sound. The left conductive wire 13 is electrically connected to the left earplug 11 and the controller 20, and the right conductive wire 14 is electrically connected to the right earplug 12 and the controller 20, so as to control the left earplug 11 and the right earplug 12 to sound through the controller 20. The controller 20 includes a housing 21, a main control circuit board 22, a battery 24, and a bluetooth module; the casing 21 has an elastic collar structure with two open ends, so that the controller 20 has a collar structure for convenient wearing; the main control circuit board 22 is arranged in the shell 21, and the left lead wire 13 and the right lead wire 14 are respectively connected with the main control circuit board 22, so that the left earplug 11 and the right earplug 12 are respectively controlled to sound through the left lead wire 13 and the right lead wire 14 by the main control circuit board 22; the battery 24 is installed in the casing 21, and the battery 24 is electrically connected with the main control circuit board 22 so as to supply power; the bluetooth module is electrically connected to the main control circuit board 22 for wireless communication, such as by the bluetooth module being electrically connected to a smart phone or the like; the cable antenna 30 is electrically connected with the main control circuit board 22, so as to enhance the signal transmitting and receiving performance of the Bluetooth module and improve the stability and strength of signal transmission; the cable antenna 30 is used to facilitate the position layout and shape setting of the antenna, and facilitate the length and size setting and selection of the antenna. The cable antenna 30 is mounted in the housing 21 to facilitate the mounting and positioning of the cable antenna 30.
Compared with the prior art, the necklace type Bluetooth headset 100 provided by the invention has the advantages that the shell 21 of the controller 20 is provided with the open elastic necklace structure with two ends, so that the controller 20 is necklace-shaped, and the necklace type Bluetooth headset is convenient to wear; by arranging the cable antenna 30, the cost is low; and with cable antenna 30 overall arrangement in casing 21, can conveniently install fixedly cable antenna 30, also be convenient for confirm cable antenna 30's mounted position, can conveniently carry out overall arrangement molding to cable antenna 30 simultaneously, be convenient for confirm antenna's size, length and distribution position to improve signal transmission's stability and intensity, and then improve this neck ring formula bluetooth headset 100 radio communication's signal strength, guarantee that the communication is stable.
Further, referring to fig. 2, 4 and 5, as an embodiment of the collar bluetooth headset 100 provided by the present invention, the housing 21 includes a central control box 21, a left arm 212, a right arm 213, a left control box 214 and a right control box 215. The left support arm 212 and the right support arm 213 extend from two ends of the central control box 21 respectively, that is, the left support arm 212 is connected with the left end of the central control box 21, the right support arm 213 is connected with the right end of the central control box 21, the left control box 214 is connected with the free end of the left support arm 212, and the right control box 215 is connected with the free end of the right support arm 213. The casing 21 is configured as a center control box 21, a left support arm 212, a right support arm 213, a left control box 214 and a right control box 215, so as to facilitate processing and manufacturing, and simultaneously facilitate arrangement and installation of various components in the controller 20.
Further, the battery 24 is installed in the center box 21, the main control circuit board 22 is installed in the center box 21, and the bluetooth module is installed in the center box 21. And a cable antenna 30 is mounted in one or more of the left arm 212, the right arm 213, the left control box 214, and the right control box 215.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, at least one of the center control box 21, the left arm 212, the right arm 213, the left control box 214 and the right control box 215 is mounted with the cable antenna 30. Because the collar structure is relatively large, installing the cable antenna 30 in any of the central control box 21, the left support arm 212, the right support arm 213, the left control box 214 and the right control box 215 can set up a large antenna structure to improve the stability of bluetooth signals.
Further, in the present embodiment, the cable antenna 30 is installed in the left arm 212, and two ends of the cable antenna 30 extend into the central control box 211 and the left control box 214 respectively, so as to maximize the installation of the cable antenna 30. In other embodiments, only a section of cable antenna 30 may be deployed in left arm 212; or the cable antenna 30 is laid out in the entire left arm 212; or the cable antenna 30 is installed in the left control box 214; or the cable antenna 30 is installed in the center box 211.
Further, in the present embodiment, the cable antenna 30 is installed in the right arm 213, and two ends of the cable antenna 30 extend into the central control box 211 and the right control box 215, respectively, so as to maximize the installation of the cable antenna 30. In other embodiments, a section of cable antenna 30 may be disposed only in right arm 213; or the cable antenna 30 is laid out in the entire right arm 213; or the cable antenna 30 is installed in the right control box 215; or the cable antenna 30 is installed in the center box 211.
Of course, in other embodiments, the layout cable antenna 30 may be mounted in one or more of the left arm 212, the right arm 213, the left control box 214, the right control box 215, or the center control box 211. Further, when the cable antennas 30 are laid out in one or several of the left arm 212, the right arm 213, the left control box 214, the right control box 215, or the center control box 211, a plurality of cable antennas 30 may be laid out in any component, such as one, two, three, or the like of the cable antennas 30 in the left arm 212; or one, two, three, etc. cable antennas 30 are laid out in the right arm 213.
Further, as a specific embodiment of the necklace type bluetooth headset 100 provided by the present invention, the left control box 214 is provided therein with a left control circuit board 42 and a cable antenna 30, the left control circuit board 42 is electrically connected with the main control circuit board 22, and the cable antenna 30 is disposed around the left control circuit board 42 and separated from the left control circuit board 42. Because the left control box 214 has a small size, the cable antenna 30 is installed in the left control box 214, and the cable antenna 30 is routed around the left control circuit board 42, so that the cable antenna 30 can be conveniently routed.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the left control circuit board 42 is provided with a first antenna (not shown) electrically connected to the cable antenna 30. The structure is provided with the first antenna on the left control circuit board 42, and the stability and the signal transmission strength of signal transmission can be improved through the cooperation of the first antenna and the cable antenna 30. Further, the cable antenna 30 may be electrically connected to the left control circuit board 42, and then electrically connected to the main control circuit board 22 via the left control circuit board 42, so as to facilitate connection of the cable antenna 30.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the first antenna may be a printed antenna or a ceramic antenna. The first antenna is printed on the left control board 42, for example. Of course, a ceramic antenna may be fabricated and mounted on the left control circuit board 42.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, a first flexible flat conductive wire (not shown in the figure) extends from the left control circuit board 42, and a conductive layer electrically connected to the ground layer of the left control circuit board 42 is disposed on the first flexible flat conductive wire. The first flexible flat conductive wire is provided, and a conductive layer is disposed in the first flexible flat conductive wire, and is electrically connected to the ground layer of the left control circuit board 42, so as to enhance the signal strength of the cable antenna 30. When the first antenna is provided on the left control circuit board 42, the signal strength of the first antenna may also be enhanced.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the first flexible flat conductive wire may use a flexible flat cable (i.e. FFC) or a flexible circuit board (i.e. FPC) to facilitate wiring and electrical connection. Further, a left control button 44 is mounted on the left control circuit board 42, for example, a volume up-down button may be provided on the left control board 42 to facilitate control of the collar bluetooth headset 100. Still further, the left wire 13 may be connected to the left control circuit board 42 to facilitate connection fixation of the connection left wire 13.
Further, as a specific embodiment of the necklace type bluetooth headset 100 provided by the present invention, a right control circuit board 41 and a cable antenna 30 are installed in the right control box 215, the right control circuit board 41 is electrically connected with the main control circuit board 22, and the cable antenna 30 is disposed around the right control circuit board 41 and is separated from the right control circuit board 41. Because the right control box 215 has a small volume, the cable antenna 30 is installed in the right control box 215, and the cable antenna 30 is arranged around the right control circuit board 41, so that the cable antenna 30 can be conveniently arranged.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the right control circuit board 41 is provided with a second antenna (not shown in the figure) electrically connected to the cable antenna 30. The structure is provided with the second antenna on the right control circuit board 41, and the stability and the signal transmission strength of signal transmission can be improved by matching the second antenna with the cable antenna 30. Further, the cable antenna 30 may be electrically connected to the right control circuit board 41, and then electrically connected to the main control circuit board 22 via the right control circuit board 41, so as to facilitate connection of the cable antenna 30.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the second antenna may be a printed antenna or a ceramic antenna. The second antenna is printed and manufactured on the right control circuit board 41 as described above. Of course, a ceramic antenna may be manufactured and mounted on the right control circuit board 41.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, a second flexible flat conductive wire (not shown in the figure) extends from the right control circuit board 41, and a conductive layer electrically connected to the ground layer of the right control circuit board 41 is disposed on the second flexible flat conductive wire. A second flexible flat conductive wire is provided, and a conductive layer is provided in the second flexible flat conductive wire, and is electrically connected to the ground layer of the right control circuit board 41, so as to enhance the signal strength of the cable antenna 30. When the second antenna is provided on the right control circuit board 41, the signal strength of the second antenna can also be enhanced.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the second flexible flat conductive wire may use a flexible flat cable (i.e., FFC) or a flexible circuit board (i.e., FPC) to facilitate wiring and electrical connection.
Further, a right control button 43 is mounted on the right control circuit board 41, for example, a play button, a pause button, etc. may be provided on the right control circuit board 41 to facilitate control of the collar bluetooth headset 100. Further, the right wire 14 may be connected to the right control circuit board 41 to facilitate connection fixation of the connection right wire 14.
Of course, in other embodiments, only one of the left control circuit board 42 and the right control circuit board 41 may be provided.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the main control circuit board 22 is provided with a first printed antenna (not shown in the figure). The first printed antenna is disposed on the main control circuit board 22, and can be matched with the cable antenna 30 to improve the strength and stability of signal transmission.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the collar bluetooth headset 100 further includes a flexible circuit board 46, the flexible circuit board 46 is electrically connected to the main control circuit board 22, and a second printed antenna (not shown in the figure) is disposed on the flexible circuit board 46. A second printed antenna is provided on the flexible circuit board 46 and may be mated with the cable antenna 30 to improve the strength and stability of signal transmission. Meanwhile, the second printed antenna is disposed on the flexible circuit board 46, so that the layout and shape of the second printed antenna can be conveniently disposed.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, a third printed antenna is printed on the housing, for example, the third printed antenna is printed on one or several components of the left arm 212, the right arm 213, the left control box 214, the right control box 215, or the center control box 211, so as to be used with the cable antenna 30, so as to improve the strength and stability of signal transmission.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the cable antenna 30 may be further installed on the left wire 13 or/and the right wire 14, so as to facilitate the layout of the antenna device.
Further, referring to fig. 2 and 3 together, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the cable antenna 30 includes a conductive inner core 31, a conductive outer layer 33 and an insulating layer 32, wherein the conductive inner core 31 is electrically connected to the main control circuit board 22, and the conductive outer layer 33 is electrically connected to the main control circuit board 22, so as to perform a shielding function, so that the cable antenna 30 is electrically connected to the main control circuit board 22, and further electrically connected to the bluetooth module. The insulating layer 32 is disposed between the conductive inner core 31 and the conductive outer layer 33, and the insulating layer 32 is sleeved on the conductive inner core 31. The conductive inner core 31 and the conductive outer layer 33 are respectively electrically connected with the main control circuit board 22 so as to act on two poles of the antenna; and an insulating layer 32 is provided between the conductive inner core 31 and the conductive outer layer 33, the conductive inner core 31 and the conductive outer layer 33 can be isolated to prevent the conductive inner core 31 and the conductive outer layer 33 from being short-circuited. And the insulating layer 32 is sleeved on the conductive inner core 31, so that the conductive inner core 31 can be protected. Of course, in other embodiments, wires with enameled wires may be used as antennas, with any two of the wires being the two poles of the antenna. In still other embodiments, twisted pair wires may also be used as the cable antenna 30.
Further, as an embodiment of the collar bluetooth headset 100 provided by the present invention, the conductive outer layer 33 is a shielding layer sleeved on the insulating layer 32. The structure may use a wire having a shielding layer as the wire antenna.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the end of the cable antenna 30 is provided with a signal receiving and transmitting end, the signal receiving and transmitting end includes a conductive section and an insulating section, the conductive section is a section of the conductive inner core 31 extending out of the end of the conductive outer layer 33, the insulating section is a section of the insulating layer 32 extending out of the end of the conductive outer layer 33, and the length of the signal receiving and transmitting end is a quarter of the wavelength of the received and transmitted signal. That is, the section of the end of the conductive inner core 31 extending from the end of the conductive outer layer 33 is the conductive section, the section of the end of the insulating layer 32 extending from the end of the conductive outer layer 33 is the insulating section, the conductive section and the insulating section form the signal receiving and transmitting end so as to receive and transmit signals more stably, and the insulating section can play a role of protecting the conductive section. In still other embodiments, if a hard wire is used for the conductive core 31, a portion of the end of the conductive core 31 that protrudes from the end of the conductive outer layer 33 may be used directly as the signal transceiver.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, the cable antenna 30 further includes a protective outer layer 34 sleeved on the insulating layer 32, and the conductive outer layer 33 is disposed between the insulating layer 32 and the protective outer layer 34. The protective outer layer 34 is provided to protect the conductive outer layer 33. The structure can be formed by processing the conductive outer layer 33 on the insulating layer 32 and sleeving the conductive outer layer 33 through the protective outer layer 34. The protective outer layer 34 may be made of an insulating material to provide insulation and protection. Of course, when the cable antenna 30 is a coaxial wire, the conductive outer layer 33 is a shielding layer of the coaxial wire, and the conductive inner core 31 is an inner core of the coaxial wire.
Further, as a specific embodiment of the necklace type bluetooth headset 100 provided by the present invention, the left and right leads 13 and 14 extend from both ends of the housing 21, respectively. So as to be convenient for distinguishing left and right, and convenient for installation, and processing and manufacturing. Of course, in other embodiments, the left lead 13 and the right lead 14 may also extend from the middle of the collar.
Further, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, a conductive wire (not shown) for electrical connection is provided in the insulating sleeve 32. Conductive wires are provided in the insulating sleeve 32 and can be used as electrical connection wires for electrically connecting the left control circuit board 42 to the main control circuit board 22 when the cable antenna 30 is laid out in the left arm 212. When the cable antenna 30 is disposed in the right arm 213, the conductive wires can be used as electrical connection wires to electrically connect the right control circuit board 41 and the main control circuit board 22. In specific manufacturing, the conductive wire and the conductive core 31 need to be insulated, for example, enameled wires are used for both the conductive wire and the conductive core 31, or a conductive wire structure with insulating sheath is used for the conductive wire. Of course, in still other embodiments, an insulating sleeve may be provided, with the conductive wire and cable antenna 30 integrated in the insulating sleeve.
Further, referring to fig. 6, as an embodiment of the collar bluetooth headset 100 provided by the present invention, fig. 6 shows an antenna printed on a circuit board, and the antenna may be used as the first antenna or/and the second antenna.
Further, referring to fig. 7, as an embodiment of the collar bluetooth headset 100 provided by the present invention, when the first antenna and/or the second antenna are/is ceramic antennas, the ceramic antenna structure provided in fig. 7 may be used.
Further, referring to fig. 8, as an embodiment of the collar bluetooth headset 100 provided by the present invention, when the first antenna and/or the second antenna are/is ceramic antennas, the ceramic antenna structure provided in fig. 8 may be used.
Further, referring to fig. 9, as an embodiment of the collar bluetooth headset 100 provided by the present invention, when the first antenna and/or the second antenna are/is ceramic antennas, the ceramic antenna structure provided in fig. 9 may be used.
Further, referring to fig. 10, as a specific embodiment of the collar bluetooth headset 100 provided by the present invention, fig. 10 discloses a structure in which a first flexible circuit board is extended from the left control circuit board 42, so as to facilitate ground connection for improving signal strength.
Further, referring to fig. 11 and 12, as a specific embodiment of the collar bluetooth headset 100 provided in the present invention, fig. 11 discloses another structure of a left control circuit board 42; fig. 12 discloses another first flexible circuit board structure, which is an FPC copper sheet 45 structure. In use, the FPC copper 45 may be connected to the ground plane of the left control circuit board 42.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. Necklace formula bluetooth headset is including being provided with sound unit's left earplug and right earplug respectively and being used for controlling left earplug with right earplug's controller, its characterized in that: the controller comprises an opening elastic necklace type shell with two ends, a main control circuit board arranged in the shell, a battery arranged in the shell and a Bluetooth module for wireless communication, wherein the battery and the Bluetooth module are respectively and electrically connected with the main control circuit board, the necklace type Bluetooth earphone also comprises a left lead electrically connected with the main control circuit board and the left earplug and a right lead electrically connected with the main control circuit board and the right earplug, a cable antenna is further arranged in the shell, and the cable antenna is electrically connected with the main control circuit board;
the cable antenna comprises a conductive inner core, a conductive outer layer and an insulating layer arranged between the conductive inner core and the conductive outer layer, and the conductive inner core is electrically connected with the main control circuit board;
the insulating layer is internally provided with a conductive wire for electric connection, and the conductive wire is arranged in an insulating way with the conductive inner core; the shell comprises a central control box, a left support arm, a right support arm, a left control box and a right control box, wherein the left support arm and the right support arm extend from two ends of the central control box respectively, the left control box is connected with the free end of the left support arm, the right control box is connected with the free end of the right support arm, a left control circuit board and a cable antenna are installed in the left control box, the left control circuit board is electrically connected with the main control circuit board, the cable antenna is distributed around the left control circuit board and is separated from the left control circuit board, and the conducting wire in the left support arm is connected with the left control circuit board and the main control circuit board; the right control box is internally provided with a right control circuit board and a cable antenna, the right control circuit board is electrically connected with the main control circuit board, the cable antenna is arranged around the right control circuit board and is separated from the right control circuit board, and the conductive wire in the right support arm is connected with the right control circuit board and the main control circuit board.
2. The necklace type bluetooth headset of claim 1, wherein: and at least one of the center control box, the left support arm, the right support arm, the left control box and the right control box is provided with the cable antenna.
3. The necklace type bluetooth headset of claim 1, wherein: the left control circuit board is provided with a first antenna which is electrically connected with the cable antenna.
4. The necklace type bluetooth headset of claim 3, wherein: the first antenna is a printed antenna or a ceramic antenna.
5. The necklace type bluetooth headset of claim 3, wherein: the left control circuit board is provided with a first flexible flat conductive wire in an extending mode, and a conductive layer electrically connected with the grounding layer of the left control circuit board is arranged on the first flexible flat conductive wire.
6. The necklace type bluetooth headset of claim 1, wherein: and a second antenna electrically connected with the cable antenna is arranged on the right control circuit board.
7. The necklace type bluetooth headset of claim 6, wherein: the second antenna is a printed antenna or a ceramic antenna.
8. The necklace type bluetooth headset of claim 7, wherein: and a second flexible flat conductive wire extends out of the right control circuit board, and a conductive layer electrically connected with the grounding layer of the right control circuit board is arranged on the second flexible flat conductive wire.
9. The necklace type bluetooth headset of claim 1 or 2, wherein: the cable antenna is characterized in that a signal receiving and transmitting end is arranged at the tail end of the cable antenna, the signal receiving and transmitting end comprises a conductive section and an insulating section, the conductive section is a section of the conductive inner core extending out of the tail end of the conductive outer layer, the insulating section is a section of the insulating layer extending out of the tail end of the conductive outer layer, and the length of the signal receiving and transmitting end is one quarter of the wavelength of a received and transmitted signal.
10. The necklace type bluetooth headset of claim 1 or 2, wherein: the cable antenna further comprises a protective outer layer sleeved on the conductive outer layer, and the conductive outer layer is arranged between the insulating layer and the protective outer layer.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338659.1A CN107027079B (en) | 2017-05-12 | 2017-05-12 | Necklace type Bluetooth earphone |
| PCT/CN2017/089115 WO2018205356A1 (en) | 2017-05-10 | 2017-06-20 | Bluetooth earphone |
| US16/499,329 US10924841B2 (en) | 2017-05-10 | 2017-06-20 | Bluetooth sport earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338659.1A CN107027079B (en) | 2017-05-12 | 2017-05-12 | Necklace type Bluetooth earphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107027079A CN107027079A (en) | 2017-08-08 |
| CN107027079B true CN107027079B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710338659.1A Active CN107027079B (en) | 2017-05-10 | 2017-05-12 | Necklace type Bluetooth earphone |
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| Country | Link |
|---|---|
| CN (1) | CN107027079B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547966A (en) * | 2017-09-30 | 2018-01-05 | 东莞市雅美声学科技有限公司 | One kind can free pin-connected panel bluetooth earphone |
| CN109698403A (en) * | 2017-10-23 | 2019-04-30 | 佳禾智能科技股份有限公司 | A kind of antenna of Bluetooth headset |
| CN208079323U (en) * | 2017-12-28 | 2018-11-09 | 安克创新科技股份有限公司 | A kind of neck ring bluetooth headset |
| TWI748101B (en) * | 2018-05-30 | 2021-12-01 | 美律實業股份有限公司 | Fixing structure and neck strap thereof |
| CN112083573B (en) * | 2019-06-14 | 2022-11-08 | Oppo广东移动通信有限公司 | Head-mounted device |
| WO2021013169A1 (en) * | 2019-07-24 | 2021-01-28 | 常熟市欧伏罱电子有限公司 | Wearable interphone |
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|---|---|
| CN107027079A (en) | 2017-08-08 |
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