TWM621458U - An audio jack - Google Patents

Abstract

An audio source connector device, which includes an insulator, a signal terminal group, a cable and a circuit board, the insulator defines an accommodating space for accommodating a pair of connectors to be inserted; the signal terminal group is composed of a plurality of signal terminals, Each of the signal terminals has a contact arm respectively, and each of the contact arms of the signal terminal respectively extends toward the middle area of the insulator accommodating space; the cable has a plurality of core wires for transmitting electronic signals, and each of the signal terminals is connected to each of the core wires of the cable. The insulator is electrically connected to the circuit board; wherein the insulator has an accommodating groove, the insulator accommodating groove is a space sunk from the surface of the insulator, and the circuit board is at least partially accommodated in the insulator accommodating groove. The structure enables at least some parts of the audio source connector device to accommodate different terminal numbers or terminal arrangement positions of the device, thereby reducing investment in production equipment.

Description

Audio source connector device

The present invention relates to an audio source connector device, especially an audio source connector device that can be installed in an electronic device to transmit audio source electronic signals.

Generally, the audio source connector is mainly installed on the electronic signal transmission interface on the surface of the electronic device. It is used to output the electronic signal of the audio source of the electronic device to a speaker or a diaphragm in an earphone, and the electronic signal is converted into a vibration sound by the diaphragm. ; or convert the vibrating sound into an electronic signal through a diaphragm installed in the microphone, and transmit the electronic signal to the electronic device through the audio source connector. Since electronic devices that can emit or receive sound signals are widely used, audio connectors are widely used in various electronic devices, such as notebook computers, mobile communication devices or game consoles, and even the audio connectors are exposed outside the mobile communication device. One of the few connectors.

Because the audio source connector is usually installed on the exterior of the electronic device under the friendly consideration of the user, it is one of the exterior components of the electronic device. Therefore, the appearance size requirements of the audio source connector are often changeable, often accompanied by the appearance of the electronic device. There are different size requirements due to restrictions. In addition, the audio connector also has different numbers of terminals due to different functional requirements of the electronic device. For example, some electronic devices only transmit the audio signal from the electronic device to the external speakers or headphones through the audio connector in one direction; while others Some electronic devices use a single audio source connector In addition to transmitting the audio source electronic signal to the speaker or the earphone, the audio source electronic signal generated by the microphone is also transmitted to the electronic device through the audio source connector.

In addition, in order to save the power consumption of electronic devices, some audio source connectors are also equipped with detection switch terminals. Only when the electronic device detects through the switch terminals that the docking connector has been properly inserted into the audio source connector, the electronic device will detect the audio source. The connector has sufficient power supply, and the configuration of normally open or normally closed of these switch terminals is also different according to the requirements of different electronic devices.

Due to the differences between the above-mentioned electronic devices, even though the external dimensions of the audio connector may be close to the same, the number of terminals or the configuration of the terminals in the audio connector may not be consistent. Traditionally, these different application requirements are for connector manufacturers, so it is necessary to make corresponding investment in production equipment in response to the change in the number of terminals or terminal configuration or the appearance and size of audio source connectors.

The main purpose of this creation is to provide an audio source connector device, at least some parts of the audio source connector device can allow the installation of different terminal numbers or terminal configurations, thereby reducing investment in production equipment.

The technical solution disclosed in this creation is an audio source connector device. The audio source connector includes an insulator, a signal terminal group, a cable and a circuit board, so that different signal terminals are assembled into the insulator to realize a module investment in production equipment.

In the aforementioned technical solution, the insulator defines an accommodating space and a accommodating groove, the insulator accommodating space can accommodate at least one mating connector to be inserted, and the circuit board is at least partially accommodated in the accommodating groove. The signal terminal group is composed of a plurality of signal terminals, each of which is respectively A contact arm is provided, and each of the signal terminal contact arms extends toward the insulator accommodating space respectively. The cable has a plurality of core wires for transmitting electronic signals, and each of the signal terminals and each of the core wires of the cable is electrically connected to the circuit board. Accordingly, the insulator of the audio source connector and the components on the circuit board, including the configuration of the signal terminal group, can be respectively replaced according to actual needs, so as to realize the modular production investment of the audio source connector components.

1: Insulator

11: Accommodating space

12: Containment slot

13: Cover

131: Prominence

132: Buckle slot

14: Stop protrusion

15: Interference highlight

16: Shaft hole

17: Positioning Ribs

2: Signal terminal group

21: The first signal terminal

211: Contact Arm

212: connecting arm

213: Shaft hole

22: The second signal terminal

221: Contact Arm

222: connecting arm

23: The third signal terminal

231: Contact Arm

232: connecting arm

3: switch terminal group

31: The first switch terminal

311: Contact Arm

312: connecting arm

32: The second switch terminal

321: Contact Arm

322: connecting arm

323: Insulation pad

4: Signal terminal contact

41: Contact Arm

42: connecting arm

43: Shaft hole

44: missing slot

5: Cable

51: core wire

52: isolation layer

53: Metal film

6: circuit board

61: Signal terminal contact

62: Switch terminal contact

63: Signal terminal contact

64: core wire contact

The first figure is a three-dimensional appearance view of a preferred embodiment of the present invention.

The second figure is a three-dimensional exploded view of a preferred embodiment of this creation.

The third picture is the front view of the first picture.

The fourth figure is the AA cross-sectional view in the third figure.

The fifth figure is the BB cross-sectional view in the third figure.

The sixth figure is a schematic diagram of the installation of the signal terminal group, the switch terminal group and the signal terminal contact in the first figure.

Fig. 7 is a schematic view of a surface of the circuit board of the second Fig.

Fig. 8 is a schematic diagram of an opposite surface of the circuit board in Fig. 7.

As shown in the first and second figures, a preferred embodiment of the present invention discloses an audio source connector device, which can be installed in an electronic device for connecting the audio source connector device to an electronic device. The audio source signal of the electronic device is output, or the external audio source signal is transmitted to the electronic device. However, in some specific applications, the audio source connector can transmit volume control signals in addition to transmitting audio source electronic signals, so that the electronic device can output a correspondingly larger or smaller audio source electronic signal energy.

As shown in Figure 2, Figure 3, Figure 4 and Figure 5, in the preferred embodiment, the audio source connector is mainly composed of an insulator 1, a signal terminal group 2, a cable 5 and a circuit board 6. The insulator 1 is a substantially hexahedral insulating material. The insulator has an accommodating space 11 and an accommodating groove 12. The accommodating space 11 of the insulator 1 can accommodate a butt connector (not shown in the figure). Inserted, so that the audio source connector and the docking connector form an electrical connection state that can transmit electronic signals to each other. The aforementioned preferred embodiment discloses an audio source connector for transmitting electronic signals. However, in other specific implementations, such as an audio source connector compatible with the S/PDIF (Sony/Philips Digital Interface Format) standard, the audio source connector is It is compatible with the S/PDIF standard by installing an S/PDIF photoelectric conversion module, and the audio source signal in the form of S/PDIF light transmitted by the audio source connector and the docking connector is converted into an electronic signal form, so this This device has the audio connector of the S/PDIF standard photoelectric conversion module, but it still belongs to the audio connector in this creation.

In this preferred embodiment, the signal terminal group 2 includes a first signal terminal 21 , a second signal terminal 22 and a third signal terminal 23 , and the three signal terminals 21 , 22 and 23 are respectively installed in the The positioning of the insulator 1, and the three signal terminals 21, 22, 23 respectively extend a contact arm 211, 221, 231 toward the middle area of the accommodating space of the insulator 1. When the butt connector is inserted into the accommodating space 11 of the insulator 1 , the butt connector can contact the contact arms 211 , 221 and 231 of the signal terminals 21 , 22 and 23 , thereby forming the connection between the audio source connector and the butt connector. Electrical connection state energy. In the disclosure of this preferred embodiment, the audio source connector has three signal terminals 21, 22, 23, which is just an illustration of the technical content of the present creation. In some simple changes in the application, the audio source connector may only be Two signal terminals are required; or in more complex applications, the audio source connector may require more than three properly configured signal terminals to transmit additional electrical signals.

As shown in Figures 8 and 9, in this embodiment, the circuit board 6 has a plurality of signal terminal contacts 61 and core wire contacts 64 on two opposite surfaces, respectively, and the cable 5 has a plurality of core wires 51 (see Section Figure 2 and Figure 4). In the disclosure of this embodiment, each of the signal terminals 21 , 22 , 23 of the signal terminal group 2 is electrically connected to each of the signal terminal contacts 61 on the circuit board 6 , respectively. In order to make each of the signal terminals 21, 22, 23 have reliable electrical connection with each of the signal terminal contacts 61 on the circuit board 6, in the disclosure of this embodiment, each of the signal terminals 21, 22, 23 can be selectively An elastic connecting arm 212 , 222 , 232 extends toward the circuit board 6 from the ground. Since the optional connecting arms 212 , 222 , 232 are elastic cantilever beams, the connecting arms can provide sufficient positive force to each signal terminal contact 61 on the circuit board. However, in a further modified embodiment, in order to avoid the instantaneous interruption of the electrical connection state between the signal terminals 21 , 22 , 23 and the connection arms 212 , 222 , 232 and the signal terminal contacts 61 of the circuit board 6 , each The signal terminals 21 , 22 , 23 can be soldered to the respective signal terminal contacts 61 of the circuit board 6 directly or through the connecting arms 212 , 222 , 232 .

In the above-mentioned preferred embodiment of the present invention, the cable 5 has a plurality of core wires 51 , and each of the core wires 51 is covered with an isolation layer 52 , and each of the core wires 51 is arranged along a direction perpendicular to the length direction of the cable 5 . , and each of the core wires 51 is electrically connected to the core wire contacts 64 of the circuit board 6 . Each core wire 51 of the cable 5 may be a conductive material produced by various industrial methods, for example, the cross section of each core wire 51 may be a conductive material with approximately quadrangular shape or a conductive material with approximately circular cross section. The cable 5 composed of the core wire 51 with a quadrangular cross-section is called a flat flexible cable (FFC, Flat flexible cable) in the industry, and the cable 5 composed of the core wire 51 with a circular cross-section is called a flat flexible cable in the industry. Flexible cable. However, the core wire 51 of the cable 5 is not limited to using these two types of cross-sections, and the cable 5 may also use a flexible printed circuit board (FPC, flexible printed circuit board) in which the cross-sectional shape of each core wire 51 is inconsistent. circuit). Electronic signals can be transmitted between the circuit board 6 of the audio source connector and the electronic device through the cable 5 .

As shown in Figures 2, 6 and 8, in the disclosure of the preferred embodiment of the present invention, the insulator 1 of the audio source connector is provided with a switch terminal group in addition to a signal terminal group 2 3 and a ground terminal 4. In this embodiment, the switch terminal group 3 is composed of a first switch terminal 31 and a second switch terminal 32 , and the first switch terminal 31 and the two switch terminals 32 are respectively installed in the position of the insulator 1 , And the first switch terminal 31 and the two switch terminals 32 respectively extend a contact arm 311 , 321 toward the middle area of the accommodating space 11 of the insulator 1 . Since in this embodiment, the first switch terminal 31 and the two switch terminals 32 are set as a normal open circuit switch, once the butt connector is properly inserted into the accommodating space 11 of the insulator 1 Inside, the contact arm 311 of the first switch terminal 31 and the contact arm 321 of the two switch terminals 32 are pushed by the butt connector to contact each other to form a short circuit, so that the first switch terminal 31 and the two switch terminals 32 form a short circuit. When the circuit is closed, the first switch terminal 31 and the two switch terminals 32 have the same potential, the electronic device can thus detect that the docking connector is properly matched with the audio source connector.

Since the mating connector generally matched with the audio source connector may be protected by a shielding layer (not shown in the figure), the preferred embodiment disclosed in this creation can selectively set the ground terminal 4, It is electrically connected to the shielding layer of the butt connector through a pair of arms 41 of the ground terminal 4 . In this preferred embodiment, since the signal terminal group 2 and the switch terminal group 3 are already arranged in the narrow space of the accommodating space 11 of the insulator 1, the contact arm 41 of the ground terminal 4 can be selectively disposed on the insulator 1. Outside the accommodating space 11 (refer to the first, fourth and sixth pictures). In addition, the ground terminal 4 can also selectively extend toward the circuit board ground terminal contact 63 for a connection arm 42.

In the disclosure of the aforementioned preferred embodiment of the present invention, the grounding terminal 4 is assembled at the location of the insulator 1 . In this embodiment, the grounding terminal 4 is provided with a pair of notches 44 and the insulator 1 is provided with two corresponding interference protrusions 15 relative to the two notches 44 of the grounding terminal 4 . When the groove 44 interferes with the interference protrusion 15 of the insulator 1 , the ground terminal 4 can be positioned at the position of the insulator 1 .

As shown in the second figure and the eighth figure, in the disclosure of the preferred embodiment of the present invention, the first switch terminal 31 and the two switch terminals 32 can be selectively extended toward the circuit board 6 with an elastic The connecting arms 312, 322, the connecting arms 312, 322 of each of the switch terminals 31, 32 can also be soldered to the appropriate switch terminal contacts 62 on the circuit board. In addition, as shown in FIG. 5 and FIG. 6, in the disclosure of the preferred embodiment of the present invention, the contact arm 321 of the second switch terminal 32 has an insulating pad 323, and the insulating pad 323 may be molded ( molded) or assembled to the contact arm 321 of the second switch terminal 32 .

As shown in the second and fourth figures, in the disclosure of the above-mentioned preferred embodiment of the present invention, the outer surface of the insulator 1 has a receiving groove 12 , and the receiving groove 12 of the insulator 1 is a space sunk from the surface of the insulator 1 , The circuit board 6 of the audio source connector is completely installed in the accommodating groove 11 of the insulator 1 . However, in the practical application of the present invention, the circuit board 6 is positioned at the position of the insulator 1 , so it is not necessary to completely install the circuit board 6 in the insulator 1 as in this embodiment, that is, only partially The circuit board 6 is installed in the receiving groove 12 of the insulator 1 , so that the circuit board 6 is positioned at a predetermined position of the insulator 1 .

In the disclosure of the preferred embodiment, the insulator 1 is provided with a cover body 13, and the cover body 13 is pivotably mounted on the insulator through a hinge mechanism. 1. The cover body 13 can be deflected relative to the insulator 1 within a certain range. In order to have a more reliable electrical connection between the core wires 51 of the cable 5 and the circuit board 6, the core wires 51 of the cable 5 are soldered to the core wire contacts 64 of the circuit board (see ninth ), the cable 5 and the circuit board 6 can be appropriately co-coated with an insulating glue (not shown in the figure), and the insulating glue can be adhered to the isolation layer 52 of the cable 5 and the circuit board at the same time 6, thereby making the relative position of the cable 5 and the circuit board 6 more stable, and reducing the chance of the cable 5 breaking any core wire 51 due to improper external force or making the cable 5 completely detached from the circuit board 6 .

The above-mentioned insulating adhesive adhering to the cable isolation layer and the circuit board can be a thermosetting insulating adhesive that is cured when heated, or a UV adhesive that is cured by ultraviolet radiation. The selection of the insulating adhesive can be based on the reason. The actual production factor of the source connector varies.

In the above disclosure of the preferred embodiment of the present invention, the cover body 13 and the insulator 1 can be deflected in a limited range according to the hinge mechanism. In this preferred embodiment, the hinge mechanism means that the cover body 13 has a pair of protrusions 131 , and a pair of shaft holes 16 are provided in the insulator 1 relative to the pair of protrusions 131 . 131 cooperates with the shaft hole 16 of the insulator 1 to form a hinge mechanism by which the cover body 13 can be deflected. However, the design of the hinge mechanism can be changed according to the requirements of practical applications, that is, any mechanism, any mechanism that enables the cover body 13 and the insulator 1 to have a relative deflection within a limited range belongs to the present invention. The so-called hinge mechanism.

As shown in Figures 2 and 6, in the disclosure of the preferred embodiment of the present invention, the hinge mechanism may further be provided with a pair of protrusions 131 on the cover body 13, and the first signal terminal 21 is positioned at an appropriate position A shaft hole 213 can also be optionally provided, at this time, the protrusion 131 of the cover body 13 cooperates with the shaft hole 213 of the first signal terminal 21 to assist the aforementioned hinge mechanism. In addition, in other optional applications, a shaft hole (not shown in the figure) can also be provided at an appropriate position of the second signal terminal 22 shown), at this time, the insulator 1 does not have to be provided with any shaft holes 16, because the first signal terminal 21 and the second signal terminal 22 can provide the hinge mechanism for the deflection of the cover 13.

In the disclosure of the above-mentioned preferred embodiment of the present invention, the cover body 13 can be deflected relative to the insulator 1 within a certain range. However, in order to prevent the cover body 13 from being accidentally opened, the cover body 13 and the insulator A fixing mechanism can be selectively arranged between 1, so that the cover 13 and the insulator 1 can be positioned by interference. In this preferred embodiment, the insulator 1 is provided with a backstop protrusion 14, and the cover 13 is provided with a snap groove 132 corresponding to the backstop protrusion 14, so that the snap groove 132 of the cover 13 can be connected with the insulator. The backstop protrusion 14 of 1 has an interference relationship. However, the disclosure in the preferred embodiment of the present invention is only a feasible application of the present invention, so those skilled in the art can modify the fixing mechanism according to actual needs. Any mechanism that can make the cover 13 and the insulator 1 have a frictional interference relationship, so that the cover 13 is fixed to the insulator 1, belongs to this type of fixing mechanism.

As shown in the first and second figures, in the disclosure of the preferred embodiment of the present invention, the insulator 1 is provided with two positioning ribs 17 in the direction away from the accommodating space 11 , and each of the positioning ribs 17 can be used to The casings of the device (not shown in the drawings) cooperate with each other, and the audio source connector and the casing of the electronic device have a proper frictional interference relationship through the positioning ribs 17 . Since the audio source connector is positioned at the proper position of the electronic device by using the positioning ribs 17 of the insulator 1, in the disclosure of the present invention, the appearance dimensions and the arrangement positions of the positioning ribs 17 are only examples. The parts of the insulator 1 that form an interference relationship with the electronic device casing belong to the so-called positioning ribs 17 in the present invention.

As shown in Figure 1, Figure 2 and Figure 4, as more and more electronic devices are required to perform a large number of computing functions and process a large amount of information, there are not only severe electromagnetic interference in the internal space of the electronic device, but also thermal energy. The accumulation phenomenon also affects the normal operation of these electronic devices. threaten. In order to improve the integrity of the electronic signal transmitted by the audio source connector or to improve the heat dissipation efficiency of the internal system of the electronic device, a metal film 53 can be attached to the surface of the cable 5 disclosed in the preferred embodiment of the present invention. The metal film 53 is a kind of Metal material films, such as aluminum alloy films or copper alloy films. However, not all electronic devices need to consider electromagnetic interference and thermal energy accumulation in the internal environment, so the metal film 53 attached to the outer surface of the cable 5 is only an option of the technology disclosed in the present invention.

Since various electronic devices have different application requirements for the audio source connector, for example, there are different requirements for the number of signal terminals 21, 22, and 23, the number of different switch terminals 31, 32, or the normally open and normally closed settings of the switch terminal group, and the The external dimensions of the insulator 1 may be different. Therefore, through the technology disclosed in this work, part of the signal terminals 21, 22, 23, the insulator 1 and the cover plate 13 can be shared by replacing the circuit board 6 in the audio source connector. The creation of the disclosed preferred embodiment can achieve the purpose of cost creation.

The aforementioned embodiments disclosed in this specification are for those skilled in the art to know the technology disclosed in this creation; however, the technology disclosed in this creation is not only applicable to the aforementioned embodiments, and those skilled in the art can rely on this creation The disclosed embodiments of the present invention can be applied directly or with modifications. Any application or modification made by those skilled in the art based on the disclosure of this creation is still an equivalent application or modification of this creation as long as its application or modification does not depart from the scope defined by the scope of the patent application for this creation.

1: Insulator

11: Accommodating space

13: Cover

131: Prominence

132: Buckle slot

14: Stop protrusion

17: Positioning Ribs

5: Cable

51: core wire

52: isolation layer

53: Metal film

Claims (13)

An audio source connector device comprises an insulator, a signal terminal group, a cable and a circuit board, the insulator defines an accommodating space for accommodating a pair of connectors to be inserted; the signal terminal group is composed of a plurality of signal terminals, Each of the signal terminals has a contact arm respectively, and each of the contact arms of the signal terminal respectively extends toward the middle area of the insulator accommodating space; the cable has a plurality of core wires for transmitting electronic signals, and each of the signal terminals is connected to each of the core wires of the cable. The insulator is electrically connected to the circuit board; wherein the insulator has an accommodating groove, the insulator accommodating groove is a space sunk from the surface of the insulator, and the circuit board is at least partially accommodated in the insulator accommodating groove. The audio source connector device of claim 1, wherein the connector further has two switch terminals, the two switch terminals respectively extend a contact arm toward the middle area of the insulator accommodating space, and the two switch terminals are electrically connected to the circuit plate. The audio source connector device of claim 1, wherein the connector further has a ground terminal, and the ground terminal extends a contact arm toward the docking connector. The audio source connector device of claim 1, wherein each of the signal terminals further extends a connecting arm, and each of the signal terminals is electrically connected to the circuit board through each of the signal terminal connecting arms. The audio source connector device of claim 1, wherein each of the signal terminals and the cable are electrically connected to two opposite surfaces of the circuit board, respectively. The audio source connector device of claim 1, wherein in a cross-section perpendicular to the extension direction of the cable, each of the core wires of the cable has a substantially quadrangular cross-section. The audio source connector device of claim 1, wherein in a cross-section perpendicular to the extension direction of the cable, each of the core wires of the cable has a substantially circular cross-section. The audio source connector device of claim 1, wherein each core wire of the cable has an isolation layer, and the isolation layer and the circuit board are covered by an insulating glue together. The audio source connector device of claim 1, wherein each core wire of the cable is covered with an isolation layer, the isolation layer is made of insulating material, and there is a metal film outside the isolation layer. The audio source connector device of claim 1, wherein the connector further has a cover body, and the cover body is deflectably fixed to the position of the insulator. The audio source connector device of claim 1, wherein the connector further has a cover, and the circuit board is accommodated between the insulator accommodating groove and the cover. The audio source connector device of claim 11, wherein the cover body has a pair of protrusions, and the two protrusions together form a deflection axis, and the cover body is deflectably fixed to the insulator. The audio source connector device of claim 11, wherein the cover body has a pair of protrusions, and the signal terminals disposed on opposite sides of the insulator accommodating space are respectively provided with a shaft hole, and the two protrusions of the cover body are connected with each other. The shaft holes of the signal terminals together form a deflection axis, so that the cover body can be deflected and fixed to the insulator.

Images