CN218301380U

CN218301380U - Intercom mainboard and intercom

Info

Publication number: CN218301380U
Application number: CN202222211950.1U
Authority: CN
Inventors: 王东; 周倪林
Original assignee: Wuxi Yuning Intelligent Technology Co ltd
Current assignee: Wuxi Yuning Intelligent Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-13
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses an interphone mainboard and an interphone, the interphone mainboard comprises a plate body and a main control chip, the plate body comprises a first mounting surface and a second mounting surface, and the first mounting surface and the second mounting surface are oppositely arranged; the first mounting surface is provided with a keyboard copper exposure and a display screen bonding pad, the display screen bonding pad is used for welding a display screen, and the keyboard copper exposure is used for connecting a keyboard seat; the second mounting surface is provided with a horn bonding pad which is abutted against the first mounting surface through a bonding wire and used for connecting and fixing a horn; the main control chip is arranged on the first installation surface and is electrically connected with the keyboard copper exposure, the display screen bonding pad and the loudspeaker bonding pad. The utility model discloses technical scheme's first installation face and second installation face set up two at least keyboard dew copper, display screen pad and loudspeaker pad for the user can select the installation of suitable functional unit according to autonomic demand, and the installation of suitable position, and the commonality is strong, can satisfy user individuation, customization demand.

Description

Intercom mainboard and intercom

Technical Field

The utility model relates to an intercom technical field, in particular to intercom mainboard and intercom.

Background

The interphone is a technology for realizing talkback conversation by transmitting voice signals through a data channel (IP) of mobile phone network signals. However, the positions of the speaker, the keyboard seat and the display screen mounted on the common interphone main board are fixed and unchanged, and a user cannot freely determine the mounting positions of the speaker, the keyboard seat and the display screen, and cannot arbitrarily select one or both of the speaker, the keyboard seat and the display screen for mounting, so that the compatibility of the interphone main board is poor, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intercom mainboard aims at through setting up keyboard dew copper, display screen pad and loudspeaker pad on first installation face and second installation face, and quantity is at least two for the user can be according to the installation of independently selecting suitable functional unit of demand, and the installation of suitable position, breaks away from the immobilization mode of intercom in the past, and the commonality is strong, can satisfy user's individuation, customization demand.

In order to achieve the above object, the utility model provides an intercom mainboard, the intercom mainboard includes:

the plate body comprises a first mounting surface and a second mounting surface, and the first mounting surface and the second mounting surface are oppositely arranged; the first mounting surface is provided with at least two keyboard dew coppers and at least two display screen pads, the display screen pads are used for welding a display screen, and the keyboard dew coppers are used for connecting a keyboard seat;

the second mounting surface is provided with a horn bonding pad which is abutted against the first mounting surface through a bonding wire and used for connecting and fixing a horn; at least two horn bonding pads are arranged, and the two horn bonding pads are arranged at intervals; and

the main control chip is arranged on the first mounting surface and is electrically connected with the keyboard copper exposure, the display screen bonding pad and the loudspeaker bonding pad.

In an optional embodiment, one of the keyboard dewings is arranged in the middle of the first mounting surface, and the other keyboard dewings is arranged at the edge of the first mounting surface; the display screen bonding pad is arranged on one side, close to the edge of the first mounting surface, of the keyboard copper exposure, and the other display screen bonding pad is arranged between the two keyboard copper exposures;

and/or, the intercom mainboard still includes keyboard seat, display screen, loudspeaker, keyboard seat can weld in arbitrary one of them keyboard dew copper, the display screen can weld in one of them display screen pad, loudspeaker can weld in one of them loudspeaker pad to make keyboard seat, display screen and loudspeaker interval set up.

In an optional embodiment, the interphone mainboard further comprises a power module, the power module comprises a battery and a charging spring, and the battery is electrically connected to the main control chip and has a first charging mode and a second charging mode;

the second mounting surface is provided with a battery seat, a USB interface seat and a charging pad which are electrically connected with the main control chip, the battery seat is arranged on one side of the USB interface seat, the charging pad is arranged on the other side opposite to the USB interface seat, and the battery is connected to the battery seat;

the USB interface seat is electrically connected with the battery seat through a charging circuit to form a first charging mode;

the charging spring plate is welded on the charging welding disc, and the charging welding disc is electrically connected with the battery holder through a charging circuit to form a second charging mode.

In an optional embodiment, the interphone main board further includes an audio module, the audio module is electrically connected to the main control chip, and the audio module includes a receiver, a microphone and an earphone;

the second mounting surface is provided with an earphone bonding pad, three microphone bonding pads and an earphone seat, the earphones are welded on the earphone bonding pad, the three microphone bonding pads are respectively arranged at intervals with the earphone bonding pad and the loudspeaker bonding pad, and the microphone can be welded on one of the microphone bonding pads; the earphone can be inserted into the earphone seat.

In an optional embodiment, the interphone mainboard further comprises a positioning module, the positioning module is electrically connected to the main control chip and comprises an RTD positioning chip and a GPS antenna, a GPS antenna interface is arranged on the second mounting surface, the GPS antenna is welded to the GPS antenna interface, and the RTD positioning chip is arranged on one side of the GPS antenna.

In an optional embodiment, the interphone mainboard further comprises a key module, the key module is electrically connected to the main control chip, the key module comprises side function keys, and the side function keys comprise an SOS side key, a volume key and a lock key;

the second mounting surface is provided with a side key antenna elastic sheet which is used for connecting the side functional key to the main control chip;

the first installation surface is further provided with an SOS bonding pad, and the SOS side bond is welded on the SOS bonding pad.

In an optional embodiment, the interphone main board further includes a radio frequency processing module, the radio frequency processing module is electrically connected to the main control chip, the radio frequency processing module includes a radio frequency antenna, and the radio frequency antenna is electrically connected to the main control chip;

the second mounting surface is further provided with an antenna bonding pad, a radio frequency antenna elastic sheet is welded on the antenna bonding pad, and the radio frequency antenna elastic sheet is used for connecting the radio frequency antenna to the main control chip.

In an optional embodiment, the interphone main board further includes a communication module, the communication module is electrically connected to the main control chip, the communication module includes a first SIM card, a second SIM card, a TF card and an NFC antenna, and the first SIM card, the second SIM card and the TF card are arranged at intervals;

the second installation face is provided with a first SIM card seat, a second SIM card seat, a TF card seat and NFC copper exposure, the second SIM card seat is arranged between the first SIM card seat and the TF card seat, the first SIM card seat, the second SIM card seat and the TF card seat are arranged on one side of the horn welding disc, the first SIM card is inserted in the first SIM card seat, the second SIM card is inserted in the second SIM card seat, the TF card is inserted in the TF card seat, the NFC copper exposure is arranged on one side of the earphone seat, and the NFC antenna is connected with the NFC copper exposure through an ejector pin.

In an optional embodiment, the first mounting surface is further provided with a flash lamp bonding pad, a front camera bonding pad and a rear camera bonding pad;

the interphone mainboard further comprises a display module, the display module is electrically connected with the main control chip, the display module comprises a flash lamp, a front camera and a rear camera, the flash lamp, the front camera and the rear camera are electrically connected with the main control chip, the flash lamp is welded on a flash lamp pad through a flexible circuit board, the front camera is welded on the front camera pad through the flexible circuit board, and the rear camera pad is welded on the rear camera pad through the flexible circuit board.

The utility model discloses provide an intercom again, the intercom includes the shell and locates in the shell as above arbitrary one the intercom mainboard.

The main board of the interphone of the technical scheme of the utility model comprises a board body and a main control chip, wherein the board body comprises a first mounting surface and a second mounting surface which are oppositely arranged; the first mounting surface is provided with keyboard copper exposure and display screen bonding pads, the keyboard copper exposure and the display screen bonding pads are arranged at intervals, at least two keyboard copper exposures are arranged, at least two display screen bonding pads are arranged, the display screen bonding pads are used for welding a display screen, and the keyboard copper exposure is used for connecting a keyboard base; the second mounting surface is provided with a horn bonding pad which is abutted against the first mounting surface through a bonding wire and used for connecting and fixing a horn; at least two horn bonding pads are arranged, and the two horn bonding pads are arranged at intervals; the main control chip is arranged on the first installation surface and is electrically connected with the keyboard copper exposure, the display screen bonding pads and the loudspeaker bonding pads, so that the keyboard copper exposure, the display screen bonding pads and the loudspeaker bonding pads are arranged on the first installation surface and the second installation surface, the number of the display screen bonding pads and the loudspeaker bonding pads is at least two, a user can select the installation of the proper functional components according to the independent requirement, the installation of the proper positions is achieved, the fixed mode of the conventional interphone is separated, the universality is high, and the user individuation and customization requirements can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the main board of the interphone of the present invention;

FIG. 2 is a schematic view of another view angle of the main board of the interphone shown in FIG. 1;

fig. 3 is a schematic structural view of a first mounting surface of a plate body in the main board of the interphone shown in fig. 1;

fig. 4 is a schematic structural view of a second mounting surface of a plate body in the main board of the interphone shown in fig. 1;

fig. 5 is a schematic structural view of another embodiment of the main board of the intercom of the present invention;

fig. 6 is a schematic structural view of another embodiment of the main board of the intercom of the present invention;

fig. 7 is a schematic structural view of another embodiment of the main board of the intercom of the present invention;

fig. 8 is a schematic structural view of another embodiment of the main board of the intercom of the present invention;

fig. 9 is a schematic structural diagram of another embodiment of the main board of the intercom of the present invention.

The reference numbers indicate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an interphone mainboard aims at through setting up keyboard dew copper, display screen pad and loudspeaker pad on first installation face and second installation face, and quantity is at least two for the user can be according to the installation of independently the demand selection suitable functional unit, and the installation of suitable position, breaks away from the immobilization mode of interphone in the past, and the commonality is strong, can satisfy user individuation, customization demand.

Referring to fig. 1 to 9, a specific structure of an intercom main board 10 provided by the present invention will be described in a specific embodiment, in an embodiment of the present invention, the intercom main board 10 includes a board body 1 and a main control chip, the board body 1 includes a first mounting surface 11 and a second mounting surface 12, and the first mounting surface 11 and the second mounting surface 12 are disposed oppositely; the first mounting surface 11 is provided with keyboard dew copper 111 and display screen bonding pads 112, the keyboard dew copper 111 and the display screen bonding pads 112 are arranged at intervals, at least two keyboard dew copper 111 are arranged, at least two display screen bonding pads 112 are arranged, the display screen bonding pads 112 are used for welding the display screen 16, and the keyboard dew copper 111 is used for connecting a keyboard; the second mounting surface 12 is provided with a horn bonding pad 121, and the horn bonding pad 121 abuts against the first mounting surface 11 through a bonding wire and is used for connecting and fixing the horn 17; at least two horn bonding pads 121 are arranged, and the two horn bonding pads 121 are arranged at intervals; the main control chip is arranged on the first installation surface 11 and is electrically connected with the keyboard copper exposure 111, the display screen bonding pad 112 and the loudspeaker bonding pad 121, and the keyboard copper exposure 111, the display screen bonding pad 112 and the loudspeaker bonding pad 121 are arranged on the first installation surface 11 and the second installation surface 12, so that a user can select a proper installation mode according to an independent requirement, the fixing mode of the traditional interphone is separated, the universality is strong, and the personalized and customized requirements of the user can be met.

Known, the essential element of intercom is the casing and sets up the intercom mainboard 10 in the casing, through set up a plurality of functional module on intercom mainboard 10, so that the function that realizes the intercom is diversified, and can be covered with the shield cover in the outside of main control chip, on the one hand the components and parts in the protection shield cover, on the other hand can shield electromagnetic interference, can be in low temperature environment normal use for making the intercom, display screen 16 is the LCD screen, can make the intercom in the normal use of harsh low temperature environment, the stability and the reliability that the intercom used have been increased, and the use is convenient, and the structure is small and exquisite compact, and convenient to carry, and durable.

Specifically, in order to improve the compatibility of the interphone mainboard 10, the speaker 17, the display screen 16 and the keyboard base 15 are arranged on the first installation surface 11, and the speaker 17, the display screen 16 and the keyboard base 15 are arranged at intervals, so that the information communication channel of the interphone is increased through the display screen 16 and the keyboard base 15, the safety guarantee coefficient and the use flexibility of a user facing to a sudden situation are improved, and the conversation function of the interphone is increased through the speaker 17. It should be noted that at least two keyboard dewings 111 and at least two display screen pads 112 are provided, the keyboard base 15 and the display screen 16 can be arbitrarily installed on the respective pads, at least two horn pads 121 are also provided, the two horn pads 121 are arranged at intervals, and similarly, the horn 17 can be arbitrarily installed on one of the horn pads 121. Of course, only the speaker 17 may be installed, or only the keyboard base 15 and the display screen 16 may be installed, and at least two display screen pads 112, at least two keyboard dewings 111, and at least two speaker pads 121 are disposed on the main board 10 of the interphone, so as to satisfy various requirements for the interphone.

Referring to fig. 1 to 9, in an alternative embodiment, one keyboard dewing 111 is disposed in the middle of the first mounting surface 11, and the other keyboard dewing 111 is disposed on the edge of the first mounting surface 11; one display screen pad 112 is arranged on one side of one keyboard copper exposure 111 close to the edge of the first mounting surface 11, and the other display screen pad 112 is arranged between the two keyboard copper exposures 111; the interphone mainboard 10 further comprises a keyboard seat 15, a display screen 16 and a loudspeaker 17, wherein the keyboard seat 15 can be welded on any keyboard dew copper 111, the display screen 16 can be welded on a display screen bonding pad 112, and the loudspeaker 17 can be welded on a loudspeaker bonding pad 121, so that the keyboard seat 15, the display screen 16 and the loudspeaker 17 are arranged at intervals.

Specifically, as shown in fig. 1 to 9, the keyboard pad 15, the display screen 16 and the speaker 17 are mounted at different positions, and as can be seen from fig. 1, the display screen 16 is mounted on one of the display screen pads 112 and is located in the middle of the first mounting surface 11, the keyboard pad 15 and the speaker 17 are respectively disposed on two sides of the display screen pad, and the speaker 17 is disposed at the upper end of the display screen 16. As can be seen from fig. 5, the key pad 15 is disposed at a middle position of the first mounting surface 11, the display screen 16 is disposed at an upper end of the key pad 15, and the speaker 17 is disposed at a lower end of the key pad 15. As can be seen from fig. 6, only the display screen 16 and the key bed 15 are mounted on the first mounting surface 11. As can be seen from fig. 7, only the speaker 17 is mounted on the first mounting surface 11, the interphone does not have the functions of the display screen 16 and the keyboard seat 15, and the size of the display screen 16 in fig. 1, 5, 6 and 7 is 1.77 inches. As can be seen from fig. 8, the first mounting surface 11 mounts the display screen 16 and the keybed 15, and in this case, the size of the display screen 16 in fig. 8 is 2.4 inches, as can be seen from fig. 9, the first mounting surface 11 mounts the display screen 16, the keybed 15 and the speaker 17, and the display screen 16 is mounted on one side of the keybed 15 and the speaker 17, and the keybed 15 is stacked above the speaker 17. The size of the display screen 16 in fig. 9 is 2.8 inches. The user can select the installation of suitable functional unit according to autonomic demand, breaks away from the immobilization mode of intercom in the past, and the commonality is strong, can satisfy user's individuation, customization demand.

It should be noted that, a board-to-board connector may also be disposed on the second mounting surface 12 to support 23 keys and 1 power key, where the power key and the power key at other positions are processed in parallel, and the board-to-board connector is mainly applied to the main board 10 of the intercom shown in fig. 6 and fig. 8.

Referring to fig. 2, fig. 3 and fig. 4, in an alternative embodiment, the interphone mainboard 10 further includes a power module, the power module includes a battery 18 and a charging spring, the battery 18 is electrically connected to the main control chip and has a first charging mode and a second charging mode; the second mounting surface 12 is provided with a battery holder 122, a USB interface holder 123 and a charging pad 124 which are electrically connected with the main control chip, the battery holder 122 is arranged on one side of the USB interface holder 123, the charging pad 124 is arranged on the other side opposite to the USB interface holder 123, and the battery 18 is mounted on the battery holder; the USB interface seat 123 is electrically connected to the battery seat 122 through a charging circuit to form a first charging mode; the charging spring plate is welded on the charging pad 124, the charging pad 124 is electrically connected with the battery holder 122 through the charging circuit to form a second charging mode, and through setting up a first charging mode and a second charging mode, a battery 18 is charged in two modes, a user can flexibly charge according to requirements, and then power supply to the display screen 16, the loudspeaker and the loudspeaker 17 and each functional module can be realized through the power supply module. It should be noted that the charging spring is similar to a seat charger.

Referring to fig. 4, in an alternative embodiment, the interphone motherboard 10 further includes an audio module electrically connected to the main control chip, where the audio module includes a receiver, a microphone and an earphone; the second mounting surface 12 is provided with an earphone pad 125, three microphone pads 126 and an earphone seat 127, the earphone is welded to the earphone pad 125, the three microphone pads 126 are arranged at intervals between the three microphone pads 126 and the earphone pad 125 and between the three microphone pads 126 and the speaker pad 121, respectively, and the microphone can be welded to one of the microphone pads 126; the earphone can be plugged on the earphone seat 127.

Specifically, through setting up earphone seat 127 at second installation face 12, the earphone is pegged graft on earphone seat 127, and then realizes that intercom mainboard 10 has the earphone function, and the earphone can liberate the person's of calling both hands, and then improves user's work efficiency, and is same, and audio module still includes earphone and microphone, and the microphone can be used to receive audio input, and when the user used, sound passed through the microphone, and the processing back through main control chip is launched. Meanwhile, the received signals are transmitted into the main control chip, and are transmitted into the ears of the human body from the earphones, the receivers or the loudspeakers 17 after being processed by the main control chip, so that the communication process is realized. In the earpiece mode, sound passes from the sound through the microphone to the earpiece; in the play mode, sound passes from the sound through the microphone to the speaker 17. When the speaker 17 is not installed on the interphone mainboard 10, the earphones are plugged into the interphone, so that communication can be achieved, and the multi-compatibility of the interphone mainboard 10 is further embodied.

Referring to fig. 4, in an alternative embodiment, the interphone motherboard 10 further includes a positioning module electrically connected to the main control chip, the positioning module includes an RTD positioning chip 19 and a GPS antenna, the second mounting surface 12 is provided with a GPS antenna interface 128, the GPS antenna is welded to the GPS antenna interface 128, the RTD positioning chip 19 is disposed on one side of the GPS antenna, the second mounting surface 12 is provided with the GPS antenna for positioning the position of the interphone in real time, and by disposing the RTD positioning chip 19 and the GPS antenna, the GPS antenna is used for positioning the position and state of the interphone in real time, thereby facilitating supervision workers or finding the interphone and effectively preventing the interphone from being lost.

Specifically, in order to further improve the location to the intercom, still set up RTD location chip 19, RTD location chip 19 passes through the flexible circuit board and installs on plate body 1, still can install on plate body 1 through the welded mode, can also pass through the support mounting on the casing simultaneously, so, through multiple mounting means to realize the multiple installation of RTD location chip 19.

Referring to fig. 3 and 4, in an alternative embodiment, the interphone main board 10 further includes a key module electrically connected to the main control chip, the key module includes side function keys, and the side function keys include an SOS side key, a volume key and a lock key;

the second mounting surface 12 is provided with a side key antenna spring 129, and the side key antenna spring 129 is used for connecting a side function key to the main control chip; the first mounting surface 11 is also provided with an SOS bonding pad 130, SOS side keys are welded on the SOS bonding pad 130, when an emergency occurs, SOS keys can be used for sending distress signals, the mounting positions of volume keys and locking keys can be flexibly adjusted, and the locking keys are welded on the side key bonding pads 129, so that mistaken touch and mistaken pressing when the interphone is used can be prevented. Of course, the side function keys may be other function keys, etc. for operating the respective functions of the interphone.

Referring to fig. 4, in an alternative embodiment, the interphone main board 10 further includes a radio frequency processing module electrically connected to the main control chip, the radio frequency processing module includes a radio frequency antenna, and the radio frequency antenna is electrically connected to the main control chip; the second mounting surface 12 is further provided with an antenna bonding pad 131, and a radio frequency antenna elastic sheet is welded on the antenna bonding pad 131 and used for connecting the radio frequency antenna to the main control chip. The radio frequency antenna is used for receiving or sending signals and sending the received signals to other interphones to achieve communication.

Specifically, the main control chip sends the signals collected by the microphone, the camera and the like to other interphones through the radio frequency antenna, the radio frequency antenna can also receive the signals sent by other interphones, the signals sent by other interphones are respectively output through the loudspeaker 17 and the display, and the signals can comprise voice signals and video signals.

Referring to fig. 4, in an alternative embodiment, the interphone main board 10 further includes a communication module electrically connected to the main control chip, the communication module includes a first SIM card, a second SIM card, a TF card and an NFC antenna, and the first SIM card, the second SIM card and the TF card are disposed at intervals; the second mounting surface 12 is provided with a first SIM card seat 132, a second SIM card seat 133, a TF card seat 134 and an NFC copper exposure 135, the second SIM card seat 133 is arranged between the first SIM card seat 132 and the TF card seat 134, the first SIM card seat 132, the second SIM card seat 133 and the TF card seat 134 are arranged on one side of the horn pad 121, the first SIM card is inserted in the first SIM card seat 132, the second SIM card is inserted in the second SIM card seat 133, the TF card is inserted in the TF card seat 134, the NFC copper exposure 135 is arranged on one side of the earphone seat 127, the NFC antenna is inserted in the NFC copper exposure 135, and the internal memory of the interphone is expanded by arranging the TF card in the interphone; NFC dew copper 135 locates one side of earphone seat 127, and the NFC antenna passes through the thimble to be connected in NFC dew copper 135, through set up the NFC antenna on intercom mainboard 10, has replaced current security personnel to carry an intercom simultaneously and has patrolled stick or other equipment that have the NFC function, and the intercom combines together with the NFC device and has improved security personnel's work efficiency, and convenient to use, reliability are higher. In the use, can accomplish the function of talkbacking of intercom, also can realize NFC response function.

Specifically, in order to further improve the communication function of the intercom, the first SIM card holder 132 and the second SIM card holder 133 are provided, and a user can insert a first SIM card and a second SIM card into the first SIM card holder 132 and the second SIM card holder 133 respectively according to the needs of the user, and certainly, the user can insert a SIM card into any one of the SIM card holders, preferably, the first SIM card and the second SIM card can be a nano SIM card, and the size of such a SIM card is 12.3mm × 8.8mm × 0.7mm. The NanoSIM card has a smaller size, so that more space can be reserved for the interphone, meanwhile, the lossless transmission mainboard has larger space for arranging circuits, certainly, the lossless transmission mainboard can also be other types of SIM cards, and the application is not limited herein.

Referring to fig. 3, in an alternative embodiment, the first mounting surface 11 is further provided with a flash pad 113, a front camera pad 114, and a rear camera pad 115;

interphone mainboard 10 still includes display module, display module electricity is connected in main control chip, display module includes the flash light, preceding camera and back camera, the flash light, preceding camera and back camera all electricity are connected in main control chip, the flash light passes through flexible circuit board and welds on flash light pad 113, preceding camera passes through flexible circuit board and welds in preceding camera pad 114, back camera pad 115 passes through flexible circuit board and welds in back camera pad, through camera and back camera before setting up, be convenient for gather photo and video information, and preceding camera is direct by main control chip control with back camera.

The utility model also provides an intercom (not shown in the figure), the intercom include the shell and locate in the shell as above arbitrary one intercom mainboard 10. Since the specific structure of the main board 10 of the interphone refers to the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not repeated here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an intercom mainboard, its characterized in that, intercom mainboard includes:

the panel comprises a panel body, a first mounting surface and a second mounting surface, wherein the first mounting surface and the second mounting surface are oppositely arranged; the first mounting surface is provided with keyboard copper exposure and display screen bonding pads, the keyboard copper exposure and the display screen bonding pads are arranged at intervals, at least two keyboard copper exposures are arranged, at least two display screen bonding pads are arranged, the display screen bonding pads are used for welding a display screen, and the keyboard copper exposure is used for connecting a keyboard seat;

the main control chip is arranged on the first mounting surface and electrically connected with the keyboard copper exposure, the display screen bonding pad and the horn bonding pad.

2. The interphone mainboard of claim 1, wherein one of the keyboard dewcops is disposed in the middle of the first installation surface, and the other keyboard dewcops is disposed at the edge of the first installation surface; the display screen bonding pad is arranged on one side, close to the edge of the first mounting surface, of the keyboard copper exposure, and the other display screen bonding pad is arranged between the two keyboard copper exposures;

and/or, the intercom mainboard still includes the keyboard seat, the display screen, loudspeaker, the keyboard seat can weld in arbitrary one of them keyboard dew copper, the display screen can weld in one of them display screen pad, loudspeaker can weld in one of them loudspeaker pad to make keyboard seat, display screen and loudspeaker interval set up.

3. The interphone mainboard of claim 1, further comprising a power module, wherein the power module comprises a battery and a charging spring, and the battery is electrically connected to the main control chip and has a first charging mode and a second charging mode;

the charging elastic sheet is welded on the charging pad, and the charging pad is electrically connected with the battery holder through a charging circuit to form a second charging mode.

4. The interphone mainboard of claim 1, further comprising an audio module electrically connected to the main control chip, wherein the audio module comprises a receiver, a microphone and an earphone;

the second mounting surface is provided with an earphone bonding pad, three microphone bonding pads and an earphone seat, the earphones are welded on the earphone bonding pad, the three microphone bonding pads are respectively arranged at intervals with the earphone bonding pad and the loudspeaker bonding pad, and the microphone can be welded on one of the microphone bonding pads; the earphone can be inserted on the earphone seat.

5. The interphone mainboard of claim 1, further comprising a positioning module electrically connected to the main control chip, wherein the positioning module comprises an RTD positioning chip and a GPS antenna, the second mounting surface is provided with a GPS antenna interface, the GPS antenna is welded to the GPS antenna interface, and the RTD positioning chip is disposed on one side of the GPS antenna.

6. The interphone mainboard of claim 1, further comprising a key module electrically connected to the main control chip, wherein the key module comprises side function keys including an SOS side key, a volume key and a lock key;

the first mounting surface is further provided with an SOS bonding pad, and the SOS side key is welded on the SOS bonding pad.

7. The interphone mainboard of claim 1, further comprising a radio frequency processing module electrically connected to the main control chip, wherein the radio frequency processing module comprises a radio frequency antenna electrically connected to the main control chip;

8. The interphone mainboard of claim 4, further comprising a communication module electrically connected to the main control chip, wherein the communication module comprises a first SIM card, a second SIM card, a TF card and an NFC antenna, and the first SIM card, the second SIM card and the TF card are arranged at intervals;

9. The interphone main board according to claim 1, wherein the first mounting surface is further provided with a flash pad, a front camera pad and a rear camera pad;

10. An interphone, characterized by comprising a shell and the interphone mainboard of any one of claims 1 to 9 arranged in the shell.