CN203012144U - BeiDou-GPS dual-mode driving state data acquisition terminal - Google Patents
BeiDou-GPS dual-mode driving state data acquisition terminal Download PDFInfo
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- CN203012144U CN203012144U CN 201220679271 CN201220679271U CN203012144U CN 203012144 U CN203012144 U CN 203012144U CN 201220679271 CN201220679271 CN 201220679271 CN 201220679271 U CN201220679271 U CN 201220679271U CN 203012144 U CN203012144 U CN 203012144U
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- big dipper
- gps
- signal
- data collection
- gps bimodulus
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Abstract
The utility model relates to a dual-mode driving state data acquisition terminal and especially relates to a BeiDou-GPS dual-mode driving state data acquisition terminal, which comprises an embedded processor. The data acquisition terminal is characterized by further comprising a BeiDou-GPS dual-mode positioner, a wireless communication module and a memory all connected with the embedded processor. The BeiDou-GPS dual-mode positioner comprises a mixed signal receiver, a mixed signal pre-processor and a signal processor which are sequentially connected from the input end to the output end. The mixed signal receiver receives signals formed by mixing BeiDou satellite signals and GPS signals. The mixed signal pre-processor performs pre-processing on the mixed signals. The signal processor processes the signals and then sends the signals to the embedded processor. The BeiDou-GPS dual-mode driving state data acquisition terminal can position vehicles through BeiDou satellite signals and GPS signals.
Description
Technical field
The utility model relates to bimodulus driving states data collection station, especially the Big Dipper-GPS bimodulus driving states data collection station.
Background technology
4: 50 on the 30th April in 2012, China with " Long March 3B " carrier rocket, adopts " an arrow double star " mode in Xichang Launching Site first, succeeds in sending up two Big Dipper Navsats, and satellite enters predetermined transfer orbit smoothly.Two satellites of current emission are the 12,13 networking satellites of Beidou satellite navigation system.Succeeding in sending up of they, to improving the navigation and positioning accuracy of Beidou satellite navigation system institute overlay area, significant.Along with succeeding in sending up of the 12,13 satellite of the Big Dipper, the Industry Promotion of the Big Dipper is used more and more urgent.How to make the Big Dipper form good standard and application at civil area, significant to promoting the national economy social development.Because present Beidou satellite system is in the stage of continually developing, commercial applications remains at some technical barriers fully, and the gps satellite positioning system has developed more than two decades, is no matter that sensitivity, bearing accuracy or reliability aspect all possess advantage.Along with the business application industry popularization of dipper system, can receive and support the multimode chip of dual system will have huge potential market.
Summary of the invention
The purpose of this utility model is to provide the Big Dipper that can utilize Big Dipper satellite signal and gps signal that vehicle is positioned-GPS bimodulus driving states data collection station.
provide the Big Dipper-GPS bimodulus driving states data collection station for this reason, comprise flush bonding processor, it is characterized in that, comprise the Big Dipper that is connected with flush bonding processor-GPS bimodulus steady arm, wireless communication module and storer, the Big Dipper-GPS bimodulus steady arm comprises the mixed signal receiver that connects successively from the input end to the output terminal, mixed signal pretreater and signal processor, the mixed signal receiver receives the signal of Big Dipper satellite signal and gps signal mixing, the mixed signal pretreater carries out pre-service to the signal of this mixing, signal processor is sent to flush bonding processor after this signal is processed.The mixed signal pretreater comprises Kalman filter, prime amplifier, frequency divider and the frequency converter that connects successively from the input end to the output terminal.
The utility model Big Dipper-GPS bimodulus driving states data collection station utilizes Big Dipper satellite signal and gps signal that vehicle is positioned, and wherein: flush bonding processor is realized whole system function and control and management, is the core of whole hardware system; Storer by storage medium to the raw data that gather the to obtain storage that circulates, in order to the use of detailed data query analysis; Wireless communication module (GPRS/3G) is meeting the remote transmission of completing data under transport protocol standard; The Big Dipper-GPS bimodulus steady arm is mainly used to obtain the locating information of vehicle, comprises position, time, direction, speed etc.; The frequency of the main measurement of vehicle speed pulse of velometer realizes the detection of the speed of a motor vehicle, simultaneously the motor speed data is uploaded.
Description of drawings
Fig. 1 is the structured flowchart of the Big Dipper-GPS bimodulus driving states data collection station.
Fig. 2 is the structural representation of the Big Dipper-GPS bimodulus steady arm.
Embodiment
The hardware configuration of the Big Dipper-GPS bimodulus driving states data collection station as shown in Figure 1, wherein: flush bonding processor is realized whole system function and control and management, is the core of whole hardware system; Storer by storage medium to the raw data that gather the to obtain storage that circulates, in order to the use of detailed data query analysis; Wireless communication module (GPRS/3G) is meeting the remote transmission of completing data under transport protocol standard; Wired communication interface comprises CAN, RS232, OBD etc., is mainly used to communicate by letter with the Vehicular system that possesses communication interface, and the collection vehicle status data; Digital signal switching value input port is mainly used to directly gather not obtaining the status informations such as steering indicating light, Brake lamp, Qianmen, back door, the terminal of data be online by the data communication bus; The analog quantity translation interface is mainly used to can not directly gathering by the information such as abnormal data that the data communication bus obtains to exist in the cell voltage, electric current, temperature, electric weight, operational process of data; The Big Dipper-GPS bimodulus steady arm is mainly used to obtain the locating information of vehicle, comprises position, time, direction, speed etc.; Velometer is connected with flush bonding processor, and the frequency of main measurement of vehicle speed pulse realizes the detection of the speed of a motor vehicle, simultaneously the motor speed data is uploaded.
The Big Dipper-GPS bimodulus steady arm, frequency measurement module all can detect the travel speed of automobile, but the Big Dipper-GPS speed exists drift, frequency measurement to have the problems such as parameter arranges, for guaranteeing the accuracy of speed, the Big Dipper-GPS bimodulus steady arm and velometer are measured respectively the speed of a motor vehicle, compared by flush bonding processor, if two vehicle speed datas that recorded respectively are consistent (for example, in practice, can set two speed data errors is considered as unanimously with interior 2%), outwards send by wireless communication module.
The Big Dipper-GPS bimodulus steady arm such as Fig. 2, comprise the mixed signal receiver, mixed signal pretreater and the signal processor that connect successively from the input end to the output terminal, the mixed signal receiver receives the signal of Big Dipper satellite signal and gps signal mixing, the mixed signal pretreater carries out pre-service to the signal of this mixing, and signal processor carries out this signal being sent to flush bonding processor after the processing such as data-switching, time synchronized conversion, data identification, filtering.
Combined orientation technology based on the information fusion mode can farthest improve the precision of location, has the feature of coordinating and surmounting, dipper system and gps system all possess identical or close feature at aspects such as system's composition, positioning principle, Frequency Band Selection, encoding scheme, purposes, can take full advantage of the locating information of the Big Dipper and gps system and make organic process, forming function and precision that individual system does not possess.
Claims (9)
1. the Big Dipper-GPS bimodulus driving states data collection station, comprise flush bonding processor, it is characterized in that, comprise the Big Dipper that is connected with flush bonding processor-GPS bimodulus steady arm, wireless communication module and storer, the Big Dipper-GPS bimodulus steady arm comprises the mixed signal receiver that connects successively from the input end to the output terminal, mixed signal pretreater and signal processor, the mixed signal receiver receives the signal of Big Dipper satellite signal and gps signal mixing, the mixed signal pretreater carries out pre-service to the signal of this mixing, signal processor is sent to flush bonding processor after this signal is processed.
2. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, it is characterized in that, comprise the velometer that is connected with flush bonding processor, the Big Dipper-GPS bimodulus steady arm and velometer are measured respectively the speed of a motor vehicle, compared by flush bonding processor, if two vehicle speed datas that recorded respectively are consistent, outwards send by wireless communication module.
3. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, the mixed signal pretreater comprises Kalman filter, prime amplifier, frequency divider and the frequency converter that connects successively from the input end to the output terminal.
4. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, described wireless communication module is the GPRS communication module.
5. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, described wireless communication module is the 3G communication module.
6. the Big Dipper according to claim 2-GPS bimodulus driving states data collection station, is characterized in that, described velometer is also measured motor speed.
7. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, is useful on the wired communication interface of collection vehicle status data, and wired communication interface connects flush bonding processor.
8. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, also comprises the digital signal switching value input port that is connected with flush bonding processor.
9. the Big Dipper according to claim 1-GPS bimodulus driving states data collection station, is characterized in that, also comprises the analog quantity translation interface that is connected with flush bonding processor.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679271 CN203012144U (en) | 2012-12-11 | 2012-12-11 | BeiDou-GPS dual-mode driving state data acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679271 CN203012144U (en) | 2012-12-11 | 2012-12-11 | BeiDou-GPS dual-mode driving state data acquisition terminal |
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| CN203012144U true CN203012144U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220679271 Expired - Fee Related CN203012144U (en) | 2012-12-11 | 2012-12-11 | BeiDou-GPS dual-mode driving state data acquisition terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770808A (en) * | 2014-01-26 | 2014-05-07 | 北京交通大学 | Auxiliary train protection system and method based on Beidou navigation |
| CN105373061A (en) * | 2015-12-22 | 2016-03-02 | 中原智慧城市设计研究院有限公司 | Vehicle real-time monitoring system based on BD2/GPS double-satellite positioning |
-
2012
- 2012-12-11 CN CN 201220679271 patent/CN203012144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770808A (en) * | 2014-01-26 | 2014-05-07 | 北京交通大学 | Auxiliary train protection system and method based on Beidou navigation |
| CN103770808B (en) * | 2014-01-26 | 2016-05-04 | 北京交通大学 | Based on assist train guard system and the method for Big Dipper navigation |
| CN105373061A (en) * | 2015-12-22 | 2016-03-02 | 中原智慧城市设计研究院有限公司 | Vehicle real-time monitoring system based on BD2/GPS double-satellite positioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131211 |