CN212034329U - Bluetooth earphone with DC socket and capable of being externally connected with audio line power amplifier - Google Patents
Bluetooth earphone with DC socket and capable of being externally connected with audio line power amplifier Download PDFInfo
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- CN212034329U CN212034329U CN202021107854.7U CN202021107854U CN212034329U CN 212034329 U CN212034329 U CN 212034329U CN 202021107854 U CN202021107854 U CN 202021107854U CN 212034329 U CN212034329 U CN 212034329U
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Abstract
The utility model discloses a Bluetooth earphone with a DC socket and capable of being externally connected with an audio cable power amplifier, wherein the Bluetooth earphone shell comprises a first shell, a second shell, a loudspeaker shell, a key shell and an earplug cap which are mutually assembled; the one end of first casing extends there is first interface part, the one end of second casing extends there is the second interface part, first interface part, second interface part enclose to form an interface and to the location of DC socket, the DC socket that is used for pluggable connection in the earphone cord has been installed to the interface, DC socket and bluetooth IC module circuit parallelly connected in loudspeaker unit SPK, microphone MIC, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED connect respectively on bluetooth IC module. Therefore, wired and wireless use of the Bluetooth headset is achieved, and functions of the Bluetooth headset and convenience of use of a user are improved.
Description
The technical field is as follows:
the utility model relates to an earphone technical field especially relates to the bluetooth headset that can external audio line power amplifier that has the DC socket.
Background art:
with the development of personal communication devices, a known bluetooth headset is mainly a bluetooth headset composed of a speaker unit, a bluetooth IC module, a key switch, a microphone, and a battery. The earphone is mainly used for facilitating a user to transmit audio through a Bluetooth signal so as to achieve wireless use of the earphone. But under the condition that the electric quantity of the storage battery is insufficient, the Bluetooth headset can only be charged and then used, and inconvenience is brought to vast users. Meanwhile, the sound quality of the Bluetooth headset using Bluetooth audio transmission is inevitable to have distortion, and the Bluetooth headset has the advantages compared with a wired headset. How to make bluetooth headset can external audio line power amplifier not influence the wireless nature use of bluetooth audio transmission again, become the utility model discloses the problem that solves.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit design that can solve above-mentioned problem to and the technical design of the bluetooth headset who has the external audio line power amplifier of DC socket.
The utility model discloses a circuit design of the bluetooth headset of the external audio line POWER amplifier that has the DC socket has been solved to the aspect, including loudspeaker unit SPK, microphone MIC, bluetooth IC module, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED, DC socket. The circuit design of the bluetooth headset with the DC socket and capable of being externally connected with the audio line power amplifier adopts the shunting circuit formed by connecting the positive and negative circuits of the loudspeaker unit in parallel with the bluetooth IC module respectively, so that the positive and negative electrodes of the shunted circuit are correspondingly welded on the positive and negative electrodes of the DC socket, and the bluetooth headset can be externally connected with a pluggable headset line with a DC plug and a microphone. Microphone MIC, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED connect respectively on bluetooth IC module.
The utility model discloses another aspect has solved the technical design of the bluetooth headset that can connect the audio line power amplifier externally with DC socket, the bluetooth headset casing includes first casing, second casing, loudspeaker casing, button casing, earplug cap mutually assembled; a first interface part extends from one end of the first shell, a second interface part extends from one end of the second shell, the first interface part and the second interface part form an interface in a surrounding manner, a DC socket for connecting an earphone line in a pluggable manner is arranged at the interface, and the DC socket is connected with the loudspeaker unit; a first raised semi-ring part, a first positioning groove and a first positioning step are arranged in the first interface part; a second raised semi-ring part, a second positioning groove and a second positioning step are arranged in the second interface part; the DC socket is provided with a DC positioning groove, a DC positioning convex ring and a DC positioning straight ring; the DC socket is arranged in the first interface part, the first raised semi-ring part is matched with the DC positioning groove to form a first interface part for positioning the front end of the DC socket, the first positioning groove is matched with the DC positioning raised ring to form a first interface part for positioning the middle end of the DC socket, and the first positioning step is matched with the DC positioning straight ring to form a first interface part for positioning the rear end of the DC socket; the DC socket is arranged in the second interface part, the second raised semi-ring part is matched with the DC positioning groove to form a second interface part for positioning the front end of the DC socket, the second positioning groove is matched with the DC positioning raised ring to form a second interface part for positioning the middle end of the DC socket, and the second positioning step is matched with the DC positioning straight ring to form a second interface part for positioning the rear end of the DC socket; the first interface part and the second interface part simultaneously position the front, middle and rear ends of the DC socket so that the DC socket is tightly fixed in the Bluetooth headset shell.
The Bluetooth headset with the DC socket and capable of being externally connected with an audio line power amplifier is characterized in that: the Bluetooth headset shell comprises a first shell, a second shell, a loudspeaker shell, a key shell and an earplug cap which are mutually assembled; one end of the first shell extends to form a first interface part, one end of the second shell extends to form a second interface part, the first interface part and the second interface part form an interface and position the DC socket, the DC socket used for being connected with an earphone wire in a pluggable mode is installed at the interface, and the DC socket and a Bluetooth IC module circuit are connected in parallel to the loudspeaker unit SPK. Microphone MIC, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED connect respectively on bluetooth IC module.
The Bluetooth headset with the DC socket and capable of being externally connected with an audio line power amplifier is characterized in that: a first raised semi-ring part, a first positioning groove and a first positioning step are arranged in the first interface part, the first raised semi-ring part is matched with the DC positioning groove to form a first interface part for positioning the front end of the DC socket, the first positioning groove is matched with the DC positioning raised ring to form a first interface part for positioning the middle end of the DC socket, and the first positioning step is matched with the DC positioning straight ring to form a first interface part for positioning the rear end of the DC socket;
the Bluetooth headset with the DC socket and capable of being externally connected with an audio line power amplifier is characterized in that: a second raised semi-ring part, a second positioning groove and a second positioning step are arranged in the second interface part; the second raised semi-ring part is matched with the DC positioning groove to form a second interface part for positioning the front end of the DC socket, the second positioning groove is matched with the DC positioning raised ring to form a second interface part for positioning the middle end of the DC socket, and the second positioning step is matched with the DC positioning straight ring to form a second interface part for positioning the rear end of the DC socket;
the Bluetooth headset with the DC socket and capable of being externally connected with an audio line power amplifier is characterized in that: the first interface part and the second interface part form an interface for positioning the front, middle and rear ends of the DC socket at the same time, so that the DC socket is tightly fixed in the Bluetooth headset shell.
The utility model provides a can external audio line power amplifier's bluetooth headset with DC socket, includes two can external audio line power amplifier bluetooth headset main part with DC socket to and have the DC plug and contain the earphone cord of plugging in of pulling out of microphone. Both ends of each earphone cord are provided with DC plugs, and the DC plugs can be plugged in the Bluetooth earphones which are provided with DC sockets and can be externally connected with an audio line power amplifier.
The utility model has the advantages of low design and manufacturing cost, simple and reasonable circuit design, multiple functions, convenient use and the like and positive effects.
Drawings
FIG. 1 is a schematic circuit diagram of the present invention
Fig. 2 is the perspective structure diagram of the bluetooth headset main body according to the embodiment of the present invention
Fig. 3 is the embodiment of the present invention, which is a schematic view of the decomposition structure of the bluetooth headset main body
Fig. 4 is a schematic view of a structure of a first embodiment of the present invention, showing a missed earphone cord
Fig. 5 is a schematic diagram of a structure of a connecting earphone line according to the second embodiment of the present invention
The attached drawings indicate the following:
1. first casing 2, second casing
3. Horn shell 4 and key shell
5. Earplug cap 6 and battery BATT
7. Horn unit SPK 8 and battery switch POWER
9. Microphone MIC 10, bluetooth IC module
11. First raised semi-ring part 12 and first positioning groove
13. First location step 15, bluetooth pilot lamp BT LED
21. Second raised half-ring part 22 and second positioning groove
23. Second positioning step 31, positioning groove
32. Positioning convex ring 33, positioning straight ring
101. First interface 201 and second interface
301. DC socket 302 and DC plug
401. Bluetooth headset housing 402, pluggable headset cord with DC plug and microphone
403. Left bluetooth headset main part 404, right bluetooth headset main part.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
In fig. 1 the utility model discloses in the specific circuit design, wherein bluetooth headset's circuit mainly includes loudspeaker unit SPK7, microphone MIC 9, bluetooth IC module 10, battery BATT 6, battery switch POWER 8, bluetooth pilot lamp BT LED 15, DC socket 301. The utility model discloses the special design of circuit designs out parallelly connected shunt circuit between loudspeaker unit SPK7 and bluetooth IC module 10, and these two shunt circuit SPK + correspond with DC socket 301's positive negative pole respectively with SPK-and are connected. SPK + and SPK-, MIC + and MIC + of microphone MIC 9-, BATT + and BATT-of battery BATT 8 of loudspeaker unit SPK7 correspond respectively to connect on bluetooth IC module 10, and battery switch POWER 8 and bluetooth pilot lamp BT LED 15's circuit all connects on bluetooth IC module 10 simultaneously, makes left bluetooth headset main part 403 and right bluetooth headset host computer 404 all have switch bluetooth function, all has DC socket 301, all can with have the DC plug contain the pull-plug earphone line 402 of microphone and dock. When the battery switch POWER 8 is in a closed state and the DC socket 301 in the bluetooth headset is not in butt joint with the DC plug 302 on the pluggable headset wire 402 with a DC plug and a microphone, the parallel shunt circuit is an open circuit, no current passes through, no influence is generated on the opening and closing of the bluetooth IC module circuit, the battery switch POWER 8 is opened, and the POWER amplification function of the bluetooth headset can be used. Secondly, when the user starts to use the wired audio function, the battery switch POWER 8 is turned off, and the DC socket 301 in the bluetooth headset is connected with the DC plug 302 on the pluggable headset wire 402 with a DC plug and a microphone, so that the wired audio POWER amplifier can be started to use. This novel circuit design has solved the bluetooth headset that can external audio line power amplifier that has the DC socket's circuit design, makes bluetooth headset possess simultaneously and uses bluetooth power amplifier and wired power amplifier two kinds of functions.
Fig. 2 and 3 show that bluetooth headset main part of the bluetooth headset of the embodiment of the bluetooth headset of external audio line power amplifier with DC socket is three-dimensional and decomposition structure sketch map, wherein bluetooth headset casing 401 includes first casing 1, second casing 2, loudspeaker casing 3, key shell 4, earplug cap 5. One end of the first shell 1 extends to form a first interface part 101, one end of the second shell 2 extends to form a second interface part 201, the first interface part 101 and the second interface part 201 surround to form an interface, a DC socket 301 used for being connected to an earphone cord in a pluggable manner is installed at the interface, and the DC socket 301 and a bluetooth IC module 10 line are connected in parallel to a loudspeaker unit SPK 7.
A first raised semi-ring part 11, a first positioning groove 12 and a first positioning step 13 are arranged in the first interface part 101; the DC socket 301 has a DC positioning groove 31, a DC positioning raised ring 32 and a DC positioning straight ring 33; the DC socket 301 is installed in the first interface portion 101, the first protruding semi-ring portion 11 and the DC positioning groove 31 are matched to form the first interface portion 101 for positioning the front end of the DC socket 301, the first positioning groove 12 and the DC positioning protruding ring 32 are matched to form the first interface portion 101 for positioning the middle end of the DC socket 301, and the first positioning step 13 and the DC positioning straight ring 33 are matched to form the first interface portion 101 for positioning the rear end of the DC socket 301.
A second raised semi-ring part 21, a second positioning groove 22 and a second positioning step 23 are arranged in the second connecting part 201; the DC socket 301 is installed in the second interface portion 201, the second protruding semi-ring portion 21 and the DC positioning groove 31 are matched to form the second interface portion 201 to position the front end of the DC socket 301, the second positioning groove 22 and the DC positioning protruding ring 32 are matched to form the second interface portion 201 to position the middle end of the DC socket 301, and the second positioning step 23 and the DC positioning straight ring 33 are matched to form the second interface portion 201 to position the rear end of the DC socket 301.
The first interface 101 and the second interface 201 form an interface and position the front, middle and rear ends of the DC socket 301, so that the DC socket 301 is tightly fixed inside the bluetooth headset housing.
The utility model is shown in fig. 4, the structure of the missed earphone line is schematically illustrated in the embodiment of the bluetooth earphone with the DC socket and the external audio line power amplifier. Both the left bluetooth headset body 403 and the right bluetooth headset host 404 have DC outlets and can be interfaced with a unpluggable headset cord 402 having a DC jack with a microphone.
The connecting earphone line structure diagram of the embodiment of the Bluetooth earphone with the DC socket and the power amplifier of the external audio line is shown in figure 5. The left bluetooth headset main body 403 and the right bluetooth headset main body 404 are respectively connected with a pluggable headset cable 402 having a DC plug and a microphone, which indicates that the bluetooth headset starts to use a wired audio power amplifier.
The utility model discloses a solve the bluetooth headset's that can external audio line power amplifier circuit design and technical design with the DC socket, adopted to design out parallelly connected shunt circuit between loudspeaker unit SPK and bluetooth IC module, made the positive negative pole correspondence of the circuit that divides out connect on the positive negative pole of the female seat of DC to bluetooth headset all possesses the function of the earphone cord of external connection area DC public seat port about reaching. The Bluetooth headset shell comprises a first shell, a second shell, a loudspeaker shell, a key shell and an earplug cap which are mutually assembled; the one end of first casing extends there is first interface part, the one end of second casing extends there is the second interface part, first interface part, second interface part enclose to form an interface and to the location of DC socket, the DC socket that is used for pluggable connection in the earphone cord has been installed to the interface, DC socket and bluetooth IC module circuit parallel connection in loudspeaker unit SPK, microphone MIC, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED connect respectively on the bluetooth IC module. Therefore, wired and wireless use of the Bluetooth headset is achieved, and functions of the Bluetooth headset and convenience of use of a user are improved.
The utility model has the advantages that the user can pull down the pluggable earphone cord with the DC plug and the microphone if the user needs to use the wireless earphone according to the user's demand, and open the Bluetooth function to carry out the wireless earphone mode; if the wired earphone is needed, the power supply of the Bluetooth earphone is turned off, and then the pluggable earphone wire with the DC plug and the microphone is plugged, so that the wired earphone mode can be converted. The utility model has the advantages of low design and manufacturing cost, simple and reasonable circuit design, multiple functions, convenient use and the like and has positive effects.
Claims (3)
1. The Bluetooth headset with the DC socket and capable of being externally connected with an audio line POWER amplifier comprises a Bluetooth headset shell, a loudspeaker unit SPK, a microphone MIC, a Bluetooth IC module, a storage battery BATT, a battery switch POWER, a Bluetooth indicator light BT LED and the DC socket; the method is characterized in that: the Bluetooth headset shell comprises a first shell, a second shell, a loudspeaker shell, a key shell and an earplug cap which are mutually assembled; the one end of first casing extends there is first interface part, the one end of second casing extends there is the second interface part, first interface part, second interface part enclose and form an interface, the DC socket has been installed to the interface, but plug-in connection contains the earphone cord of plugging in of microphone in having the DC plug, DC socket and bluetooth IC module circuit parallelly and parallelly connected in loudspeaker unit SPK, microphone MIC, battery BATT, battery switch POWER, bluetooth pilot lamp BT LED connect respectively on the bluetooth IC module.
2. The bluetooth headset with the DC jack and the external audio line power amplifier of claim 1, wherein: the first interface part is internally provided with a first raised semi-ring part, a first positioning groove and a first positioning step, the first raised semi-ring part is matched with the DC positioning groove to form a first interface part for positioning the front end of the DC socket, the first positioning groove is matched with the DC positioning raised ring to form a first interface part for positioning the middle end of the DC socket, and the first positioning step is matched with the DC positioning straight ring to form a first interface part for positioning the rear end of the DC socket.
3. The bluetooth headset with the DC jack and the external audio line power amplifier of claim 1, wherein: a second raised semi-ring part, a second positioning groove and a second positioning step are arranged in the second interface part; the second raised semi-ring part is matched with the DC positioning groove to form a second interface part for positioning the front end of the DC socket, the second positioning groove is matched with the DC positioning raised ring to form a second interface part for positioning the middle end of the DC socket, and the second positioning step is matched with the DC positioning straight ring to form a second interface part for positioning the rear end of the DC socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107854.7U CN212034329U (en) | 2020-06-17 | 2020-06-17 | Bluetooth earphone with DC socket and capable of being externally connected with audio line power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107854.7U CN212034329U (en) | 2020-06-17 | 2020-06-17 | Bluetooth earphone with DC socket and capable of being externally connected with audio line power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212034329U true CN212034329U (en) | 2020-11-27 |
Family
ID=73476661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021107854.7U Expired - Fee Related CN212034329U (en) | 2020-06-17 | 2020-06-17 | Bluetooth earphone with DC socket and capable of being externally connected with audio line power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212034329U (en) |
-
2020
- 2020-06-17 CN CN202021107854.7U patent/CN212034329U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |