CN209844944U - Vehicle-mounted communication device and vehicle - Google Patents
Vehicle-mounted communication device and vehicle Download PDFInfo
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- CN209844944U CN209844944U CN201920241169.4U CN201920241169U CN209844944U CN 209844944 U CN209844944 U CN 209844944U CN 201920241169 U CN201920241169 U CN 201920241169U CN 209844944 U CN209844944 U CN 209844944U
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Abstract
The utility model discloses a vehicle-mounted communication device and a vehicle, wherein the device comprises a shell, a circuit board, a multi-system antenna, a main controller and a microcontroller; the shell is of a convex structure and is arranged on the top of the vehicle; the circuit board is arranged at the bottom of the shell; the multi-standard antenna, the main controller and the microcontroller are integrated and are arranged on the circuit board; the multi-standard antenna is electrically connected with the main controller and the microcontroller, and the main controller is electrically connected with the microcontroller; the main controller comprises a vehicle-mounted communication control chip and a user identity recognition chip, and the vehicle-mounted communication control chip is electrically connected with the user identity recognition chip; the microcontroller comprises a modem chip. The utility model discloses an integration of multi-standard antenna, main control unit and microcontroller for simple to operate, cost and weight are reduced.
Description
Technical Field
The utility model relates to a vehicle communication technology field especially relates to an on-vehicle communication device and a vehicle.
Background
The conventional vehicle-mounted communication device is mainly applied to a vehicle, and is used for receiving external signals, completing external communication and receiving external electric wave information.
The vehicle-mounted wire of the vehicle-mounted communication device on the current vehicle has the problems that various different vehicle-mounted antennas are distributed and mounted in all directions of the vehicle; the antennas are more, so that the installation and the arrangement are more troublesome, the wiring cost is higher, and the installation is inconvenient. In addition, the existing vehicle-mounted communication devices are configured such that a TBOX (Telematics BOX) and a vehicle-mounted antenna are separately disposed; for example, for shark fin type communication devices, the vehicle-mounted antenna is mainly integrated on the shark fin on the outer top of the vehicle, and the TBOX communication box is generally installed in the vehicle; such communication devices do not achieve a true integration.
Therefore, a vehicle-mounted communication technical scheme with high integration level, convenient installation and low cost is needed to be provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an on-vehicle communication device and a vehicle, specifically:
a first aspect provides a vehicle-mounted communication device, the device comprising a housing, a circuit board, a multi-standard antenna, a main controller and a microcontroller;
the shell is of a convex structure and is arranged on the top of the vehicle; the circuit board is arranged at the bottom of the shell; the multi-standard antenna, the main controller and the microcontroller are integrated and are arranged on the circuit board;
the multi-standard antenna is electrically connected with the main controller and the microcontroller, and the main controller is electrically connected with the microcontroller;
the main controller comprises a vehicle-mounted communication control chip and a user identity recognition chip, and the vehicle-mounted communication control chip is electrically connected with the user identity recognition chip; the microcontroller comprises a modem chip.
Further, the multi-standard antenna comprises an antenna forming unit and an antenna switching unit;
the antenna composition unit comprises an LTE antenna, a GNSS antenna, a BLE antenna and a same-frequency antenna; the co-frequency antenna comprises an antenna structure obtained by combining an REK antenna and a TMPS antenna,
the LTE antenna is electrically connected with the vehicle-mounted communication control chip through the antenna switching unit, and the GNSS antenna, the BLE antenna and the same-frequency antenna are electrically connected with the modulation and demodulation chip.
Further, the LTE antenna comprises an LTE1 antenna and a combined antenna, and the combined antenna comprises an antenna structure obtained by combining an LTE2 antenna and a WIFI antenna;
the antenna switching unit comprises a first radio frequency switch and a second radio frequency switch,
the LTE1 antenna is electrically connected with the vehicle-mounted communication control chip through the first radio frequency switch; and the combined antenna is electrically connected with the vehicle-mounted communication control chip through the second radio frequency switch.
Further, the multi-standard antenna further comprises an antenna connector; the antenna element further comprises a DSRC antenna and an SDARS antenna,
the DSRC antenna and the SDARS antenna are both electrically connected with the antenna connector.
Further, the apparatus also includes a connector module comprising a master connector, a bus structure, and an ethernet connector;
the modulation and demodulation chip is electrically connected with an interface of the main connector through the bus structure, and the interface of the main connector is electrically connected with the vehicle-mounted communication control chip; the Ethernet connector is electrically connected with the main controller;
the bus structure comprises a LIN bus and a CAN bus.
Further, the device also comprises a power management module;
the power management module comprises a standby battery, a power connector and a power management unit PMU, wherein the standby battery, the power connector and the power management unit PMU are electrically connected in sequence;
the power supply management unit is electrically connected with the modulation and demodulation chip, and the power supply connector and the power supply management unit are both electrically connected with the main connector.
Further, the device also comprises an emergency rescue module; one end of the emergency rescue module is electrically connected with the modulation and demodulation chip, and the other end of the emergency rescue module is electrically connected with the main controller;
the emergency rescue module comprises an SRS signal interface, an emergency rescue telephone interface and an emergency rescue indicator lamp interface.
Further, the shell is of a shark fin type structure.
A second aspect provides a vehicle including the above-described in-vehicle communication device.
The utility model provides a pair of vehicle-mounted communication device and beneficial effect that a vehicle has are:
the utility model integrates the multi-standard antenna, the main controller and the microcontroller into a whole and is arranged on the same circuit board to form a TCAM (Telematics & CONNECTITYLENNA MODULE vehicle-mounted interconnected intelligent multi-standard antenna) node; the main controller and the microcontroller belong to a vehicle TBOX module, so that the vehicle-mounted communication device can complete an intelligent interconnection function through one device obtained by integrating a plurality of antennas and the TBOX; and, through TBOX and on-vehicle many antennas's integration, simple to operate has reduced cost and weight.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.
Fig. 1 is a block diagram of a vehicle-mounted communication device according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a TCAM structure in a vehicle-mounted communication device according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating an installation of a TCAM structure provided in an embodiment of the present description;
fig. 4 is a schematic diagram of connection of components of an in-vehicle communication device provided in an embodiment of the present specification.
In the figure: the multi-standard antenna comprises a multi-standard antenna 100, an antenna forming unit 110, an LTE antenna 111, a GNSS antenna 112, a BLE antenna 113, a same-frequency antenna 114, a DSRC antenna 115, an SDARS antenna 116, an antenna switching unit 120, a first radio frequency switch 121, a second radio frequency switch 122, an antenna connector 130, a main controller 200, a vehicle-mounted communication control chip 210, a user identity recognition chip 220, a microcontroller 300, a modulation and demodulation chip 310, a connector module 400, a main connector 410, a bus structure 420 and an Ethernet connector 430.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the prior art, a plurality of antennas of the vehicle-mounted communication device are not integrated together, so that the installation and the arrangement are troublesome, and the wiring cost is high; even if a plurality of antennas are integrated together, the antennas are separated from the TBOX communication box, so that the antennas are not really integrated, and the cost is high.
The specification provides a technical scheme of a vehicle-mounted communication device, which integrates vehicle-mounted WIFI, Bluetooth, LTE, GPS, digital broadcast antennas, RKE and the like together, and integrates the same with TBOX, namely, integrates a multi-system antenna and a TBOX communication box together to form a TCAM (Telematics & connecting intelligent antenna Module) vehicle-mounted interconnected intelligent multi-system antenna device, and the whole communication device is convenient to install and reduces cost and weight; specifically, the method comprises the following steps:
the embodiment of the present specification provides a vehicle-mounted communication device, as shown in fig. 1, the device includes a housing, a circuit board, a multi-mode antenna 100, a main controller 200, and a microcontroller 300;
the shell is of a convex structure and is mounted on the top of the vehicle, and particularly the shell can be of a shark fin type structure. The circuit board is arranged at the bottom of the shell; the multi-standard antenna 100, the main controller 200 and the microcontroller 300 are integrated and mounted on the circuit board; the main controller 200 and the microcontroller 300 belong to a TBOX communication box, and the integration of the multi-system antenna 100, the main controller 200 and the microcontroller 300 is equivalent to the integration of the multi-system antenna 100 and the TBOX communication box, as shown in fig. 3, and the multi-system antenna, the main controller 200 and the microcontroller 300 are installed in a housing with a convex structure, and the housing is installed on a metal roof of a vehicle.
The multi-standard antenna 100 is electrically connected with the main controller 200 and the microcontroller 300, and the main controller 200 is electrically connected with the microcontroller 300; specifically, the main controller 200 includes a vehicle-mounted communication control chip 210 and a user identification chip 220, and the vehicle-mounted communication control chip 210 is electrically connected with the user identification chip 220; the microcontroller 300 includes a modem chip 310(MCU control chip).
In detail, as shown in fig. 2, the vehicle-mounted communication control chip 210 may be an NAD (network Access device) main chip, and the NAD main chip may be a chip that uses a Linux or OS system, a processor of ARMA7, a FLASH memory of FLASH 512MB, and a memory of RAM 256MB, where parameters of the NAD main chip are not limited to the above parameter combinations, and may be selected and configured differently according to requirements.
In detail, as shown in fig. 1, the multi-system antenna 100 includes an antenna forming unit 110 and an antenna switching unit 120; as shown in fig. 1, the antenna forming unit 110 includes an lte (long Term evolution) antenna, a gnss (global navigation Satellite system) antenna, a ble (bluetooth Low energy) antenna, and an intra-frequency antenna 114; as shown in fig. 2 and 4, the co-frequency antenna 114 includes an antenna structure (REK/TMPS antenna) obtained by combining an REK antenna and a TMPS antenna; the LTE antenna 111 is electrically connected to the vehicle-mounted communication control chip 210 through the antenna switching unit 120, and the GNSS antenna 112, the BLE antenna 113, and the rek (remote keying entry)/tmps (tip suppression modulation system) antenna are electrically connected to the modem chip 310, so as to perform modulation and demodulation processing on different communication signals after receiving the communication signals. Wherein, the REK/TMPS antenna is an antenna with the same frequency.
In detail, as shown in fig. 1, the LTE antenna 111 includes an LTE1 antenna and a combined antenna, as shown in fig. 2 and 4, the combined antenna includes an antenna structure obtained by combining an LTE2 antenna and a WIFI antenna; wherein the LTE1 antenna and the LTE2 antenna are two antennas for LTE communication.
As shown in fig. 1, the antenna switching unit 120 includes a first radio frequency Switch 121 and a second radio frequency Switch 122, as shown in fig. 4, the first radio frequency Switch 121 and the second radio frequency Switch 122 both belong to an antenna switching radio frequency Switch (RF Switch), and the LTE1 antenna is electrically connected to the vehicle-mounted communication control chip 210 through the first radio frequency Switch 121 to connect and disconnect LTE communication of the vehicle-mounted communication control chip 210; the combined antenna is electrically connected with the vehicle-mounted communication control chip 210 through the second radio frequency switch 122. As shown in fig. 4, the combined antenna (LTE2/WIFI antenna) is the same antenna, and can be selectively used by being controlled by the radio frequency switch, so as to connect and use LTE communication and WIFI communication, respectively.
Further, as shown in fig. 4, the multi-system antenna 100 further includes an antenna connector 130; the antenna forming unit 110 further includes a DSRC antenna 115 (microwave read-write antenna) and an SDARS antenna 116 (satellite digital audio radio service antenna), and both the DSRC antenna 115 and the SDARS antenna 116 are electrically connected to the antenna connector 130 for communication connection and information transmission of corresponding functions.
In the vehicle-mounted communication device provided by this embodiment, the plurality of antennas are integrated together, and the antennas are not interfered with each other, that is, in this embodiment, by optimizing the antenna scheme, WIFI, RKE, GNSS, SDARS, DSRC, BLE, and the like are not interfered with each other, so as to ensure efficient and normal operation of the antennas.
Further, as shown in fig. 4, the apparatus further comprises a connector module 400, the connector module 400 comprising a main connector 410, a bus structure 420 and an ethernet connector 430; the modem chip 310 is electrically connected with the interface of the main connector 410 through the bus structure 420, and the interface of the main connector 410 is electrically connected with the vehicle-mounted communication control chip 210; the ethernet connector 430 is electrically connected with the main controller 200; the bus structure 420 includes a LIN bus, a CAN bus, and may further include an SBC chip (system basic chip). Through the cooperation of the connector module 400 and the bus structure 420, the network rate of the vehicle-mounted communication device is improved, so that the user experience is improved.
Further, as shown in fig. 4, the apparatus further includes a power management module; the power management module comprises a standby battery, a power connector and a power management unit PMU, wherein the standby battery, the power connector and the power management unit PMU are electrically connected in sequence; the power management unit is electrically connected to the modem chip 310, and both the power connector and the power management unit are electrically connected to the main connector 410.
Wherein, as shown in fig. 4, the device further comprises an emergency rescue module; one end of the emergency rescue module is electrically connected with the modulation and demodulation chip 310, and the other end of the emergency rescue module is electrically connected with the main controller 200; according to the communication connection of the emergency rescue module, the vehicle-mounted communication device can timely and efficiently acquire and send vehicle rescue related signals. In detail, the emergency rescue module comprises an srs (sound Retrieval system) signal interface, an emergency rescue telephone interface and an emergency rescue indicator light interface.
As shown in fig. 4, the device further includes a voice processing chip, the voice processing chip is electrically connected to the main controller 200, the voice processing chip receives an input voice signal and transmits the input voice signal to the main controller 200 for analysis, and further, the device can control the vehicle to perform corresponding operations.
A second aspect provides a vehicle including the above-described in-vehicle communication device.
The utility model provides a pair of vehicle-mounted communication device and beneficial effect that a vehicle has are:
the utility model integrates the multi-standard antenna, the main controller and the microcontroller into a whole and installs the antenna on the same circuit board to form a TCAM (telematic & connectivity intelligent antenna multi-standard antenna); the main controller and the microcontroller belong to a vehicle TBOX module, so that the vehicle-mounted communication device can complete an intelligent interconnection function through one device obtained by integrating a plurality of antennas and the TBOX; and, through the integration of TBOX and on-vehicle multiaerial, solved multiaerial and TBOX separately arrange the inconvenient problem of the line cost height installation that brings.
It should be noted that the TCAM is a central node for the vehicle-mounted communication device to communicate with the outside, and integrates a multi-standard antenna, a vehicle-mounted communication control unit, and a modem unit. The functions of the TCAM node comprise vehicle information diagnosis, update downloading of vehicle multimedia software, internet connection of the vehicle and connection with a management background. Specifically, the TCAM node can be responsible for processing positioning services such as GNSS and DSRC, and meanwhile, the TCAM node also has a WiFi hotspot function to provide access to the internet; moreover, a built-in Bluetooth module of the TCAM node supports the direct communication between an intelligent terminal (such as a mobile phone) and a vehicle; in addition, the TCAM node can provide Telematics service for car owners, and further provide services such as streaming media music, online search, OTA software over-the-air upgrade and the like.
Therefore, the multi-system antenna and the T-BOX body of the vehicle-mounted communication device provided by the specification are integrated, so that the installation is simplified, and the cost is reduced. The antenna performance is optimized by integrating most of the antennas of the vehicle body; through the cooperation of connector and bus, communication device's online speed has been improved, has promoted user experience.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "electrically connected," "connected," and "fixed" are to be construed broadly, e.g., to be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the electrical connection may be direct or indirect through an intermediary, either internal to the two elements or in an interactive relationship between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. A vehicle-mounted communication device, characterized in that the device comprises a housing, a circuit board, a multi-system antenna (100), a main controller (200) and a microcontroller (300);
the shell is of a convex structure and is arranged on the top of the vehicle; the circuit board is arranged at the bottom of the shell; the multi-standard antenna (100), the main controller (200) and the microcontroller (300) are integrated into a whole and are arranged on the circuit board;
the multi-standard antenna (100) is electrically connected with the main controller (200) and the microcontroller (300), and the main controller (200) is electrically connected with the microcontroller (300);
the main controller (200) comprises a vehicle-mounted communication control chip (210) and a user identification chip (220), wherein the vehicle-mounted communication control chip (210) is electrically connected with the user identification chip (220); the microcontroller (300) includes a modem chip (310).
2. The vehicle-mounted communication device according to claim 1, wherein the multi-system antenna (100) includes an antenna composing unit (110) and an antenna switching unit (120);
the antenna composition unit (110) comprises an LTE antenna (111), a GNSS antenna (112), a BLE antenna (113) and a same-frequency antenna (114); the co-frequency antenna (114) comprises an antenna structure which is a combination of a REK antenna and a TMPS antenna,
the LTE antenna (111) is electrically connected with the vehicle-mounted communication control chip (210) through the antenna switching unit (120), and the GNSS antenna (112), the BLE antenna (113) and the same-frequency antenna (114) are electrically connected with the modulation and demodulation chip (310).
3. The vehicle communication device of claim 2, wherein the LTE antenna (111) comprises an LTE1 antenna, a combination antenna comprising an antenna structure of a combination of an LTE2 antenna and a WIFI antenna;
the antenna switching unit (120) comprises a first radio frequency switch (121), a second radio frequency switch (122),
the LTE1 antenna is electrically connected with the vehicle-mounted communication control chip (210) through the first radio frequency switch (121); the combined antenna is electrically connected with the vehicle-mounted communication control chip (210) through the second radio frequency switch (122).
4. The in-vehicle communication device according to claim 2, wherein the multi-system antenna (100) further comprises an antenna connector (130); the antenna element (110) further comprises a DSRC antenna (115) and an SDARS antenna (116),
the DSRC antenna (115) and the SDARS antenna (116) are both electrically connected with the antenna connector (130).
5. The in-vehicle communication device of claim 1, wherein the device further comprises a connector module (400), the connector module (400) comprising a main connector (410), a bus structure (420), and an ethernet connector (430);
the modulation and demodulation chip (310) is electrically connected with an interface of the main connector (410) through the bus structure (420), and the interface of the main connector (410) is electrically connected with the vehicle-mounted communication control chip (210); the Ethernet connector (430) is electrically connected with the main controller (200);
the bus structure (420) includes a LIN bus and a CAN bus.
6. The in-vehicle communication device according to claim 5, wherein the device further comprises a power management module;
the power management module comprises a standby battery, a power connector and a power management unit PMU, wherein the standby battery, the power connector and the power management unit PMU are electrically connected in sequence;
the power management unit is electrically connected with the modulation and demodulation chip (310), and both the power connector and the power management unit are electrically connected with the main connector (410).
7. The in-vehicle communication device according to claim 1, wherein the device further comprises an emergency rescue module; one end of the emergency rescue module is electrically connected with the modulation and demodulation chip (310), and the other end of the emergency rescue module is electrically connected with the main controller (200);
the emergency rescue module comprises an SRS signal interface, an emergency rescue telephone interface and an emergency rescue indicator lamp interface.
8. The in-vehicle communication device of claim 1, wherein the housing is of shark fin-like configuration.
9. A vehicle characterized in that it comprises the on-vehicle communication device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241169.4U CN209844944U (en) | 2019-02-26 | 2019-02-26 | Vehicle-mounted communication device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241169.4U CN209844944U (en) | 2019-02-26 | 2019-02-26 | Vehicle-mounted communication device and vehicle |
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| CN209844944U true CN209844944U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920241169.4U Active CN209844944U (en) | 2019-02-26 | 2019-02-26 | Vehicle-mounted communication device and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078917A (en) * | 2021-04-07 | 2021-07-06 | 上海麦腾物联网科技有限公司 | Internet of vehicles distributed smart antenna |
| CN113794611A (en) * | 2021-08-31 | 2021-12-14 | 东风汽车集团股份有限公司 | Intelligent automobile electronic and electrical architecture based on central computing platform |
-
2019
- 2019-02-26 CN CN201920241169.4U patent/CN209844944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078917A (en) * | 2021-04-07 | 2021-07-06 | 上海麦腾物联网科技有限公司 | Internet of vehicles distributed smart antenna |
| CN113794611A (en) * | 2021-08-31 | 2021-12-14 | 东风汽车集团股份有限公司 | Intelligent automobile electronic and electrical architecture based on central computing platform |
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