CN203217077U - Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal - Google Patents
Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal Download PDFInfo
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- CN203217077U CN203217077U CN 201320202487 CN201320202487U CN203217077U CN 203217077 U CN203217077 U CN 203217077U CN 201320202487 CN201320202487 CN 201320202487 CN 201320202487 U CN201320202487 U CN 201320202487U CN 203217077 U CN203217077 U CN 203217077U
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Abstract
The utility model provides a Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal comprising an STM32 processor, an internal storage, a CAN bus interface, an STM32 processor crystal oscillator, an STM32 processor reset part, and a Beidou and GPS base-band chip, wherein the internal storage, the CAN bus interface, the STM32 processor crystal oscillator, and the STM32 processor reset part are respectively connected with the STM32 processor; the Beidou and GPS base-band chip is connected with the STM32 processor through a connector. By using the STM32 processor and the Beidou and GPS base-band chip, a positioning function and a communication function can be fulfilled, and support from other communication systems is not needed. Moreover, the Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal can work in a non-stop manner through connection with a power source. By additionally using some peripheral circuits, an engineering machinery vehicle can be effectively served on site. The system is characterized by strong real-time property, high safety, high response speed and small power consumption.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to an engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite.
Background
Since 25/10/2012, the 16 th Beidou navigation satellite in China successfully launched and soared, and the Beidou navigation satellite system is the third mature satellite navigation system following the Global Positioning System (GPS) in the United states and the Groness (GLONASS) system in Russia. It is a regional active three-dimensional satellite positioning and communication system (CNSS) developed by China. At present, the Beidou satellite navigation system can completely meet the industries of traffic scheduling, engineering surveying and mapping, astronomical meteorology, information communication and the like.
At present, comparatively hot to the research of the second generation of system navigator of big dipper. The existing navigation systems are generally GPS navigation systems based on Digital Signal Processing (DSP) or Field Programmable Gate Array (FPGA) as a hardware platform, and there are also GPS navigation systems using ARM processors.
In the existing navigation system, the functions of positioning and communication cannot be simultaneously achieved, and a plurality of communication blind areas cause signal loss and cannot normally work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering van navigation and remote terminal based on big dipper satellite and GPS satellite to in solving current navigation, can't possess the function of location and communication simultaneously, and have many communication blind areas to lead to the signal disappearance, unable normal work problem.
In order to solve the technical problem, the utility model provides a
Machineshop car navigation and remote terminal based on big dipper satellite and GPS satellite includes:
an STM32 processor;
the memory, the CAN bus interface, the STM32 processor crystal oscillator and the STM32 processor which are respectively connected with the STM32 processor are reset;
the Beidou and GPS baseband chips are connected with the STM32 processor through a connector.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: an Ethernet interface connected to the STM32 processor through the connector.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: an LCD interface connected with the STM32 processor through the connector.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: a USB interface connected with the STM32 processor through the connector.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: a UART interface connected with the STM32 processor through the connector.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: an SD-CARD interface connected with the STM32 processor.
Further, in engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: a power supply connected to the STM32 processor.
Furthermore, in the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite, the CAN bus interface is connected with an external vehicle-mounted data line.
Furthermore, in the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite, the Beidou and GPS baseband chip is connected with an A/D converter.
Furthermore, in the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite, the A/D converter is connected with a radio frequency front end.
The utility model provides a machineshop car navigation and remote terminal based on big dipper satellite and GPS satellite has following beneficial effect: through application STM32 treater and big dipper and GPS baseband chip, can possess the function of location and communication simultaneously, need not other communication system support. In addition, a power supply is connected, so that uninterrupted operation can be realized. And a plurality of peripheral circuits can effectively serve the engineering machinery vehicles on the spot. The system has the advantages of strong real-time performance, high safety, high response speed and low power consumption.
Drawings
Fig. 1 is a schematic structural diagram of a engineering truck navigation and remote terminal based on a Beidou satellite and a GPS satellite according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of the a/D converter of the engineering truck navigation and remote terminal based on the big dipper satellite and the GPS satellite according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of the power module of the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite according to embodiment 1 of the present invention;
fig. 4 is the utility model discloses embodiment 1's engineering truck navigation and remote terminal's based on big dipper satellite and GPS satellite CAN bus interface's schematic structure diagram.
Detailed Description
The following combines the attached drawings and specific embodiments to further explain in detail the utility model provides a machineshop car navigation and remote terminal based on big dipper satellite and GPS satellite. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
The STM32 processor is characterized in that: the device has the advantages of small size, low power consumption, low cost and high performance, simultaneously supports a 16-bit/32-bit double instruction set, can be well compatible with 8-bit/16-bit devices, can use a large number of registers, and has the advantages of very high instruction execution speed, simple addressing and high execution efficiency. The STM32 processor is widely used, has strong system management function and is stable in program control. Based on these reasons, the utility model designs an engineering van navigation and remote terminal based on big dipper satellite and GPS satellite.
As shown in fig. 1, the engineering vehicle navigation and remote terminal based on the Beidou satellite and the GPS satellite comprises:
an STM32 processor 101 for processing data;
a memory 102, a CAN bus interface 103, an STM32 processor crystal oscillator 104 and an STM32 processor reset (start) 105 which are respectively connected with the STM32 processor 101; wherein,
the memory RAM102 is used for storing data;
the CAN bus interface 103 is used for communicating with external equipment;
the STM32 processor crystal oscillator 104 is used for sending out clock pulses;
the STM32 processor reset (launch) 105 to reset the STM32 processor;
a Beidou and GPS baseband chip 107 coupled to the STM32 processor 101 through a connector 106.
Through application STM32 treater and big dipper and GPS baseband chip, can possess the function of location and communication simultaneously, need not other communication system support.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still includes: an ethernet interface 108 connected 101 to the STM32 processor via the connector 106.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still includes: the LCD interface 109 may be connected to a touch screen via the LCD interface 109 to which the STM32 processor 101 is connected via the connector 106.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still includes: the USB interface 110 may communicate data through the USB interface 110 of the connector 106 and the STM32 processor connection 101.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still includes: the UART interface 111 may exchange data through the UART interface 111 where the connector 106 is connected to the STM32 processor 101.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still includes: and the SD-CARD interface 112 is connected with the STM32 processor 101, and the SD-CARD interface 112 can carry out dual-machine or multi-machine communication.
Further, engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite still include: a power supply 113 connected to the STM32 processor 101.
The power supply 113 is the basis for the operation of the entire system, which plays a critical role, and the mismatch of the power supply 113 will cause fatal problems to the entire circuit.
As shown in fig. 3, the present invention has 3 types of levels: +5V, +3.3V, + 1.2V. Due to the engineering vehicle, the engineering vehicle can provide 12V voltage. Considering the current requirement again, the voltage conversion and distribution of 12V to 5V is realized by adopting a DC-DC module. The LM7805DC module is selected to realize voltage conversion from 12V to 5V and perform voltage distribution. And selecting a B0503DC module to realize voltage conversion from 5V to 3.3V and performing voltage distribution. And finally, the voltage conversion of 3.3V to 1.2V is realized by using the LM3965DC module. Wherein the +5V voltage is provided for chips such as the Beidou and GPS baseband chip 107 and the communication module. The +3.3V voltage is supplied to the MAX3232 chip, the memory of STM32 and the external I/O port. The voltage of +1.2V is supplied to the inner core of the STM32 for power supply work, the power consumption of the whole hardware is small, the energy-saving effect is good, and the goal and concept of national sustainable development are met.
Further, in the engineering vehicle navigation and remote terminal based on the Beidou satellite and the GPS satellite, the CAN bus interface 103 is connected with an external vehicle-mounted data line.
Furthermore, in the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite, the Beidou and GPS baseband chip 107 is connected with an A/D converter.
As shown in fig. 2, the a/D converter is used to receive analog signals measured by various types of sensors, convert the analog signals into digital signals, and transmit the digital signals to the STM32 processor through an SPI port for calculation. The method mainly converts and calculates pressure detection data, hardware temperature detection data, oil circuit detection data, node voltage detection data and the like of the hydraulic press. The number of a/D conversion bits is the degree of fineness of the input analog signal digitized by the a/D converter. The utility model discloses an AD7927 is to the AD converter, and it is 8 channels 12 bit successive approximation type's AD conversion chip, can realize the digit extension through it, and its precision is higher relatively.
Further, in the engineering truck navigation and remote terminal based on the Beidou satellite and the GPS satellite, the A/D converter is connected with a radio frequency front end 114.
The Beidou and GPS baseband chip 107 mainly uses the STM32 processor 101 as a processor, and the STM32 processor 101 is applied to a processing and navigation resolving part. The radio frequency front end 114 receives radio frequency signals of a satellite, and the Beidou and GPS baseband chip 107 has super strong signal sensitivity, and after being amplified by a superior preamplifier, the signals are down-converted into intermediate frequency signals; the A/D converter has the inhibition capability and the anti-interference/anti-cheating capability, supports multiple frequency points and multiple upgrading sampling intermediate frequency signals, and quantizes the analog signals into digital signals; the main functions from the Beidou and GPS baseband chip 107 to the signal processing part are as follows: two-dimensional acquisition of satellite signals, tracking of carrier phase and code phase, and calculating pseudo range; and finally, the navigation resolving part adopts a certain algorithm to eliminate the model error, solves the pseudo-range equation and resolves the geographic position of the satellite antenna, thereby realizing satellite positioning.
Further, among engineering truck navigation and remote terminal based on big dipper satellite and GPS satellite, still include: a test interface 115 connected to the STM32 processor 101, the test interface 115 for testing the STM32 processor 101.
As shown in fig. 4, in the present usage model, a CAN bus interface is used. It efficiently supports a serial communication network of distributed control and real-time control. The advantages are as follows: 1. the data communication among the nodes of the network has strong real-time performance; 2. the development period is shortened; 3. is a field bus of international standard, and realizes the labeling of serial ports. Compared with a general communication bus, the data communication of the CAN bus has outstanding reliability, instantaneity and flexibility. Due to its good performance and unique design, the CAN bus is more and more valued by people. The application of the method in the field of vehicles is the most extensive, and the method is also widely applied to complex engineering machinery vehicles. In the project, three CAN bus structures are used in total, and the CAN bus structures are divided into three types of high speed, medium speed and low speed. In the information interchange of the three buses, the gateways are used for information interchange due to different transmission protocols.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. Machineshop car navigation and remote terminal based on big dipper satellite and GPS satellite, its characterized in that includes:
an STM32 processor;
the memory, the CAN bus interface, the STM32 processor crystal oscillator and the STM32 processor which are respectively connected with the STM32 processor are reset;
the Beidou and GPS baseband chips are connected with the STM32 processor through a connector.
2. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: an Ethernet interface connected to the STM32 processor through the connector.
3. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: an LCD interface connected with the STM32 processor through the connector.
4. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: a USB interface connected with the STM32 processor through the connector.
5. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: a UART interface connected with the STM32 processor through the connector.
6. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: an SD-CARD interface connected with the STM32 processor.
7. The engineering truck navigation and remote terminal based on Beidou satellite and GPS satellite according to claim 1, further comprising: a power supply connected to the STM32 processor.
8. The Beidou satellite and GPS satellite based mobile terminal for industrial truck navigation and remote control according to claim 1, wherein the CAN bus interface is connected with an external vehicle data line.
9. The Beidou satellite and GPS satellite based mobile terminal for mobile machinery shop navigation and remote control of claim 1, wherein the Beidou and GPS baseband chip is connected with an A/D converter.
10. The Beidou satellite and GPS satellite based mobile terminal for mobile terminals and the like according to claim 9, wherein the A/D converter is connected with a radio frequency front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202487 CN203217077U (en) | 2013-04-18 | 2013-04-18 | Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320202487 CN203217077U (en) | 2013-04-18 | 2013-04-18 | Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal |
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| CN203217077U true CN203217077U (en) | 2013-09-25 |
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| CN 201320202487 Expired - Fee Related CN203217077U (en) | 2013-04-18 | 2013-04-18 | Beidou satellite and GPS satellite-based engineering vehicle navigation and remote terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314392A (en) * | 2014-10-31 | 2015-01-28 | 陕西强星信息科技有限公司 | Beidou positioning based electric shackle |
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2013
- 2013-04-18 CN CN 201320202487 patent/CN203217077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314392A (en) * | 2014-10-31 | 2015-01-28 | 陕西强星信息科技有限公司 | Beidou positioning based electric shackle |
| CN104314392B (en) * | 2014-10-31 | 2016-08-31 | 陕西强星信息科技有限公司 | A kind of electronic foot handcuff based on Big Dipper location |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160418 |