CN203287962U - Speed monitoring device based on CAN bus - Google Patents
Speed monitoring device based on CAN bus Download PDFInfo
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- CN203287962U CN203287962U CN2013203632786U CN201320363278U CN203287962U CN 203287962 U CN203287962 U CN 203287962U CN 2013203632786 U CN2013203632786 U CN 2013203632786U CN 201320363278 U CN201320363278 U CN 201320363278U CN 203287962 U CN203287962 U CN 203287962U
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- locating module
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Abstract
The utility model discloses a speed monitoring device based on a CAN bus. The speed monitoring device based on the CAN bus comprises a central processing unit and an RS232 interface which is connected to the central processing unit. A memory, a positioning module, a velocity sensor and a real-time clock circuit are connected to the central processing unit. An antenna is connected to the positioning module. A CAN bus interface is further connected to the central processing unit. The speed monitoring device based on the CAN bus has the advantages that the traveling conditions of a vehicle can be monitored, and the data transmission rate is high due to the fact that the CAN bus is used.
Description
Technical field
The utility model relates to a kind of speed of a motor vehicle supervising device, relates in particular a kind of supervising device of the speed of a motor vehicle based on the CAN bus.
Background technology
Along with the fast development of automobile industry and the people continuous growth to the board information terminal demand, the vehicle mounted multimedia product has become the focus that each large electronic product manufacturer pays close attention to.Present car-mounted terminal on the market is varied, and its function from strength to strength.Along with increasing of function, the external unit that car-mounted terminal connects or functional module are also more and more.Some vehicle, such as the utility vehicle of goods stock, company etc., need monitor its ruuning situation, so that freight monitoring center or company monitor the ruuning situation of vehicle.
The utility model content
The utility model provides a kind of supervising device of the speed of a motor vehicle based on the CAN bus, and it can be monitored the travel situations of vehicle, and adopts the mode of CAN bus, and its message transmission rate is fast.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
Speed of a motor vehicle supervising device based on the CAN bus, it comprises central processing unit and the RS232 interface that is connected on central processing unit, be connected with storer, locating module, speed pickup and real time clock circuit on described central processing unit, be connected with antenna on described locating module, also be connected with the CAN bus interface on described central processing unit.
Further technical scheme is:
Described storer is FLASH.
Described locating module is the GPS module.
Described locating module is Big Dipper locating module.
Described RS232 interface has 3.
Described central processing unit is CORTEX – M3.
Compared with prior art, the beneficial effects of the utility model are:
1, be connected with locating module and speed pickup on central processing unit of the present utility model, real time clock circuit just sends a trigger pip to central processing unit at interval of a period of time, central processing unit gathers and stores the data of locating module and speed pickup, be convenient to freight monitoring center or company and understand traveling state of vehicle, avoid human pilot to abuse vehicle and bring loss to company property.
2, be connected with the CAN bus interface on central processing unit of the present utility model, make the data rate of this speed of a motor vehicle supervising device faster.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Embodiment of the present utility model includes but not limited to the following example.
[embodiment 1]
The supervising device of the speed of a motor vehicle based on the CAN bus as shown in Figure 1, it comprises central processing unit and the RS232 interface that is connected on central processing unit, be connected with storer, locating module, speed pickup and real time clock circuit on described central processing unit, be connected with antenna on described locating module, also be connected with the CAN bus interface on described central processing unit.
In the utility model, locating module positions vehicle, and the positional information of vehicle is sent to central processing unit; Speed pickup is monitored the travel speed of vehicle, and speed numerical value is sent to central processing unit; Real time clock circuit just sends a trigger pip to central processing unit at interval of a period of time, at this moment, central processing unit is just to the information of locating module and speed pickup and be stored in storer, the managerial personnel of freight monitoring center or company can understand the driving information of vehicle by calling data in storer, avoid human pilot to abuse vehicle.Be connected to the CAN bus interface on central processing unit, its reason CAN bus interface realizes the transmission of data, makes data transfer rate faster.
Described storer is FLASH.FLASH is flash memory.
Described locating module is the GPS module.
Can be connected with a plurality of external units simultaneously for the ease of this speed of a motor vehicle supervising device, described RS232 interface has 3.
Described central processing unit is CORTEX – M3.The central processing unit of this speed of a motor vehicle supervising device adopts CORTEX – M3, and its data-handling capacity is strong, and low-power consumption, to improve the performance of whole device.
[embodiment 2]
The present embodiment and embodiment 1 are roughly the same, and difference is: described locating module is Big Dipper locating module.
Be as mentioned above embodiment of the present utility model.The utility model is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.
Claims (6)
1. based on the speed of a motor vehicle supervising device of CAN bus, it is characterized in that: it comprises central processing unit and the RS232 interface that is connected on central processing unit, be connected with storer, locating module, speed pickup and real time clock circuit on described central processing unit, be connected with antenna on described locating module, also be connected with the CAN bus interface on described central processing unit.
2. the supervising device of the speed of a motor vehicle based on the CAN bus according to claim 1, it is characterized in that: described storer is FLASH.
3. the supervising device of the speed of a motor vehicle based on the CAN bus according to claim 1, it is characterized in that: described locating module is the GPS module.
4. the supervising device of the speed of a motor vehicle based on the CAN bus according to claim 1, it is characterized in that: described locating module is Big Dipper locating module.
5. the supervising device of the speed of a motor vehicle based on the CAN bus according to claim 1, it is characterized in that: described RS232 interface has 3.
6. the supervising device of the speed of a motor vehicle based on the CAN bus according to claim 1, it is characterized in that: described central processing unit is CORTEX – M3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203632786U CN203287962U (en) | 2013-06-24 | 2013-06-24 | Speed monitoring device based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203632786U CN203287962U (en) | 2013-06-24 | 2013-06-24 | Speed monitoring device based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287962U true CN203287962U (en) | 2013-11-13 |
Family
ID=49544316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203632786U Expired - Lifetime CN203287962U (en) | 2013-06-24 | 2013-06-24 | Speed monitoring device based on CAN bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203287962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355669A (en) * | 2016-08-31 | 2017-01-25 | 江苏艾倍科科技股份有限公司 | Intelligent vehicle terminal information collecting system |
-
2013
- 2013-06-24 CN CN2013203632786U patent/CN203287962U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355669A (en) * | 2016-08-31 | 2017-01-25 | 江苏艾倍科科技股份有限公司 | Intelligent vehicle terminal information collecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |