CN215116821U - Vehicle-mounted high-precision positioning terminal - Google Patents
Vehicle-mounted high-precision positioning terminal Download PDFInfo
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- CN215116821U CN215116821U CN202120279542.2U CN202120279542U CN215116821U CN 215116821 U CN215116821 U CN 215116821U CN 202120279542 U CN202120279542 U CN 202120279542U CN 215116821 U CN215116821 U CN 215116821U
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007405 data analysis Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle-mounted high-precision positioning terminal, including MCU, MCU is connected with 12PIN vehicle control module, 20PIN power supply/CAN module, communication module, GPS module and 32PIN vehicle information detection module, and MCU still is connected with LED control module and G-SENSOR speedtransmitter, be connected with door control relay and flame-out control relay between 12PIN vehicle control module and the MCU, 20PIN power supply/CAN module has power module and CAN transceiver module, and power module includes MCU power supply, GPS module power supply and supplementary power supply, MCU power supply is connected with MCU; the system utilizes an RTK technology and develops a hardware circuit by combining the RTK technology with the RTK technology; writing a software program, completing the acquisition and control of the automobile body information of different automobile types, realizing the exercise of the second and third subjects of the driving school, and being different from the traditional mode: the CAN transceiver chip, the single chip microcomputer and the power management chip are adopted, so that the cost is reduced, the original circuit of the vehicle does not need to be damaged for installation, and the reliability and the stability are high.
Description
Technical Field
The utility model relates to a driver place examination system specifically is an on-vehicle high accuracy positioning terminal.
Background
The driver site examination system is based on an infrared technology; ultrasonic waves; the multiple sensors such as photoelectricity realize the scoring, because the hardware soft rib and the technical defect of the system make the examination process unfair, the investment cost is high, the construction period is long and the examination cannot be used in partial rainy, snowy and foggy weather, and meanwhile, because the examination is buried in the examination room, the examination room has the problems of inconvenient maintenance and influence on the examination use during the maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vehicle-mounted high accuracy positioning terminal to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an on-vehicle high accuracy positioning terminal, includes MCU, MCU is connected with 12PIN vehicle control module, 20PIN power/CAN module, communication module, GPS module and 32PIN vehicle information detection module, and MCU still is connected with LED control module and G-SENSOR speedtransmitter, be connected with door control relay and flame-out control relay between 12PIN vehicle control module and the MCU, 20PIN power/CAN module has power module and CAN transceiver module, and power module includes MCU power supply, GPS module power supply and supplementary power supply, MCU power supply is connected with MCU, and GPS module power supply is connected with the GPS module, and supplementary power supply is connected with communication module, CAN transceiver module and GPS antenna, and the GPS module has GPS antenna interface connection GPS antenna, CAN transceiver module includes a plurality of CAN transceivers.
The 32PIN vehicle information detection module further comprises an audio switching relay and an audio power amplifier, the audio switching relay is connected with the audio power amplifier, and the audio switching relay is connected with the MCU.
The communication module comprises 12PIN _ RS232 and 8PIN _ RS232/RS485, wherein the 12PIN _ RS232 comprises two TTL-RS232 circuits which are respectively connected with the MCU and the GPS module, and the 8PIN _ RS232/RS485 comprises one TTL-RS232 circuit and one TTL-RS485 circuit which are both connected with the MCU.
The MCU power supply is provided with an LDO power supply chip (12V-3.3V) for supplying power to the MCU singlechip and a low-ripple power supply, the GPS module power supply is provided with a DC-DC power supply chip (12V-3.3V) for supplying power to the GPS high-precision module, and an EN pin is controlled by the MCU; the auxiliary power supply is provided with a DC-DC power supply chip (12V-5V) for supplying power to the GPS antenna; the CAN transceiver supplies power, and the EN pin is controlled by the MCU.
Compared with the prior art, the beneficial effects of the utility model are that: the system utilizes an RTK technology and develops a hardware circuit by combining the RTK technology with the RTK technology; and compiling a software program to complete the acquisition and control of the automobile body information of different automobile types and realize the exercise of the second department and the third department of the driving school. The difference from the traditional mode is that: the CAN transceiver chip, the single chip microcomputer and the power management chip are adopted, so that the cost is reduced, the original circuit of the vehicle does not need to be damaged for installation, and the reliability and the stability are high.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, in an embodiment of the present invention, a vehicle-mounted high-precision positioning terminal includes an MCU, the MCU is connected to a 12PIN vehicle control module, a 20PIN power supply/CAN module, a communication module, a GPS module, and a 32PIN vehicle information detection module, the MCU is further connected to an LED control module and a G-SENSOR speed SENSOR, a vehicle door control relay and a flameout control relay are connected between the 12PIN vehicle control module and the MCU, the 20PIN power supply/CAN module is provided with a power supply module and a CAN transceiving module, the power supply module comprises an MCU power supply, a GPS module power supply and an auxiliary power supply, the MCU power supply is connected with the MCU, the GPS module power supply is connected with the GPS module, the auxiliary power supply is connected with the communication module, the CAN transceiver module and the GPS antenna, the GPS module is provided with a GPS antenna interface and connected with the GPS antenna, and the CAN transceiver module comprises a plurality of CAN transceivers.
The 32PIN vehicle information detection module further comprises an audio switching relay and an audio power amplifier, the audio switching relay is connected with the audio power amplifier, and the audio switching relay is connected with the MCU.
The communication module comprises 12PIN _ RS232 and 8PIN _ RS232/RS485, wherein the 12PIN _ RS232 comprises two TTL-RS232 circuits which are respectively connected with the MCU and the GPS module, and the 8PIN _ RS232/RS485 comprises one TTL-RS232 circuit and one TTL-RS485 circuit which are both connected with the MCU.
Furthermore, the MCU power supply is provided with an LDO power supply chip (12V-3.3V) for supplying power to the MCU singlechip and a low-ripple power supply, the GPS module power supply is provided with a DC-DC power supply chip (12V-3.3V) for supplying power to the GPS high-precision module, and an EN pin is controlled by the MCU; the auxiliary power supply is provided with a DC-DC power supply chip (12V-5V) for supplying power to the GPS antenna; the CAN transceiver supplies power, and the EN pin is controlled by the MCU.
Like fig. 2, this system during operation, the power supply module is fast supplying power for each module, adopt the CAN transceiver to receive former car agreement, software carries out data analysis, accomplish the collection of vehicle information, the CAN _ H of former car is connected to the CAN transceiver, CAN _ L converts data, export and carry out data analysis for MCU software, before receiving, CAN carry out ACC detection and high-low voltage detection through 32PIN vehicle information detection module, detect and not pass through, CAN get into the sleep mode, stop follow-up work, the area is overhauld and is accomplished and detect next time.
The system utilizes an RTK technology and develops a hardware circuit by combining the RTK technology with the RTK technology; and compiling a software program to complete the acquisition and control of the automobile body information of different automobile types and realize the exercise of the second department and the third department of the driving school. The difference from the traditional mode is that: the CAN transceiver chip, the single chip microcomputer and the power management chip are adopted, so that the cost is reduced, the original circuit of the vehicle does not need to be damaged for installation, and the reliability and the stability are high.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A vehicle-mounted high-precision positioning terminal comprises an MCU, and is characterized in that the MCU is connected with a 12PIN vehicle control module, a 20PIN power supply/CAN module, a communication module, a GPS module and a 32PIN vehicle information detection module, the MCU is also connected with an LED control module and a G-SENSOR speed SENSOR, a vehicle door control relay and a flameout control relay are connected between the 12PIN vehicle control module and the MCU, the 20PIN power supply/CAN module is provided with a power supply module and a CAN transceiving module, the power supply module comprises an MCU power supply, a GPS module power supply and an auxiliary power supply, the MCU power supply is connected with the MCU, the GPS module power supply is connected with the GPS module, the auxiliary power supply is connected with the communication module, the CAN transceiving module and a GPS antenna, the GPS module is provided with a GPS antenna interface connected with a GPS antenna, the CAN transceiving module comprises a plurality of CAN transceivers, the communication module comprises 12PIN _ RS232 and 8PIN _ RS232/RS485, wherein the 12PIN _ RS232 comprises two TTL-RS232 circuits which are respectively connected with the MCU and the GPS module, and the 8PIN _ RS232/RS485 comprises one TTL-RS232 circuit and one TTL-RS485 circuit which are both connected with the MCU.
2. The vehicle-mounted high-precision positioning terminal according to claim 1, wherein the 32PIN vehicle information detection module further comprises an audio switching relay and an audio power amplifier, the audio switching relay is connected with the audio power amplifier, and the audio switching relay is connected with the MCU.
3. The vehicle-mounted high-precision positioning terminal as claimed in claim 1 or 2, wherein the MCU power supply has an LDO power supply chip.
4. The vehicle-mounted high-precision positioning terminal according to claim 1 or 2, wherein the GPS module power supply is provided with a DC-DC power supply chip.
5. The vehicle-mounted high-precision positioning terminal according to claim 1 or 2, characterized in that the auxiliary power supply is provided with a DC-DC power supply chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279542.2U CN215116821U (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted high-precision positioning terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279542.2U CN215116821U (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted high-precision positioning terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215116821U true CN215116821U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120279542.2U Expired - Fee Related CN215116821U (en) | 2021-02-01 | 2021-02-01 | Vehicle-mounted high-precision positioning terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215116821U (en) |
-
2021
- 2021-02-01 CN CN202120279542.2U patent/CN215116821U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |