CN101840218A - Eddy current retarder control system based on CAN bus - Google Patents
Eddy current retarder control system based on CAN bus Download PDFInfo
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- CN101840218A CN101840218A CN200910111314A CN200910111314A CN101840218A CN 101840218 A CN101840218 A CN 101840218A CN 200910111314 A CN200910111314 A CN 200910111314A CN 200910111314 A CN200910111314 A CN 200910111314A CN 101840218 A CN101840218 A CN 101840218A
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- control module
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- eddy current
- control system
- vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an eddy current retarder control system based on a CAN bus, which consists of a front control module, a back control module and a CAN bus. The front control module is used for collecting the signals for controlling the work of the retarder with respect to the braking, speed, ABS, accelerator pedal and other aspects of the vehicle, driving an indicating lamp and the like. The back control module is used for collecting the speed signal, temperature signal and other signals provided by the eddy current retarder and driving the stator coil of the retarder. The front control module and the back control module are connected through the CAN bus to realize communication between the front control module and the back control module; and the front control module and the back control module can also communicate with other CAN nodes of the vehicle. The other CAN nodes of the vehicle can form a retarder control system by controlling the back control module, or the two CAN nodes of the front control module and the back control module can form an independent CAN bus eddy current retarder control system. The eddy current retarder system based on the CAN bus realizes the sharing of the vehicle signals, reduces the wire harness on the vehicle and improves the reliability of the eddy current retarder control system.
Description
Technical field
The invention belongs to network service and vehicle electric field, it is in conjunction with CAN bussing technique and current vortex retarder control technology, based on the eddy current retarder control system of CAN bus specifically.
Background technology
The auto industry of current China especially passenger vehicle industry is in the period of advancing by leaps and bounds, and has become one of mainstay industry of Chinese national economy development.Automotive electronics is more and more important in the status of passenger vehicle industry, and Auto Electronic Controlled System is more and more, realizes that information sharing, the networking between each system is the inexorable trend of automobile electronics technical development.
Current vortex retarder is the indispensable important security auto parts machinery of passenger vehicle, and for ensureing that road transporting safety plays an increasingly important role, current vortex retarder becomes the standard configuration of passenger vehicle gradually.Along with popularizing of current vortex retarder, electrical system is increasing on the while passenger vehicle, message exchange between current vortex retarder and other electrical systems such as ABS system, the engine control system is more and more, and traditional electric signal control mode causes the eddy current retarder control system wire harness to become increasingly complex, increase cost, reduced reliability.
The CAN bussing technique begins to use on passenger vehicle, particularly the higher engine control system of security requirement, ABS control system, brake system have been adopted reliability and the strong CAN bus network of antijamming capability, and current vortex retarder be necessary also to adopt the CAN bussing technique realize and engine control system, ABS control system, brake system between information sharing.
Summary of the invention
Technical matters to be solved by this invention is to overcome the weak point of traditional eddy current retarder control system, provide a kind of with the CAN communication interface, it is interconnected that preceding control module and back control module are passed through the CAN bus, perhaps with the interconnected eddy current retarder control system based on the CAN bus of other CAN nodes of vehicle.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of eddy current retarder control system based on the CAN bus, this system is made up of preceding control module, back control module, CAN bus; Preceding control module and back control module all possess the CAN bus interface, are connected by the CAN bus.
The control module is made up of single-chip microcomputer and the CAN transmission circuit that all links to each other with single-chip microcomputer, switching value signal processing circuit, pulse signal treatment circuit, analog signal processing circuit, driving circuit and power circuit before described.
Described back control module is made up of single-chip microcomputer and the CAN transmission circuit that all links to each other with single-chip microcomputer, switching value signal processing circuit, pulse signal treatment circuit, analog signal processing circuit, driving circuit and power circuit.
The CAN transmission circuit of control module mainly is made up of single-chip microcomputer IC and CAN transceiver ic before described; The inner integrated CAN controller of single-chip microcomputer IC.
The CAN transmission circuit of described back control module mainly is made up of single-chip microcomputer IC and CAN transceiver ic; The inner integrated CAN controller of single-chip microcomputer IC.
The control module links to each other by other CAN bus nodes of CAN bus and vehicle with back control module before described.
A kind of eddy current retarder control system based on the CAN bus, this system is made up of back control module, CAN bus, other CAN bus nodes of vehicle; Back control module possesses the CAN bus interface, is connected by other CAN bus nodes of CAN bus and vehicle.
After adopting such scheme, because controlling between the module with the back, the preceding control module of eddy current retarder control system of the present invention is connected the communication that realizes between the two by the CAN bus, in addition can be by controlling module and back control module and other CAN node communications of vehicle before the order of CAN bus.This current vortex retarder system based on the CAN bus, compare with existing eddy current retarder control system, realized sharing of signals of vehicles (as the information of engine control system, ABS control system, brake system), reduce the wire harness on the vehicle, can improve the reliability of eddy current retarder control system.
In addition, the present invention can have two kinds of control models, a kind of eddy current retarder control system of forming by other CAN bus node control back control modules of vehicle, and this system is by the information of collection vehicle CAN node, with the work of control current vortex retarder; A kind ofly forms independent CAN bus eddy current retarder control system, by preceding control module collection vehicle information, to control current vortex retarder work by preceding control module, two CAN nodes of back control module.The common ground of two kinds of control models all is based on the control model of CAN bus, can realize that signals of vehicles is shared, and can reduce wire harness on the vehicle, improves the reliability of system.
Description of drawings
Fig. 1 is a systematic schematic diagram of the present invention;
Fig. 2 is control system of the present invention and other element connection diagram;
Fig. 3 is the synoptic diagram that the CAN transmission circuit of module is controlled in preceding control module of the present invention and back.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Disclosed is a kind of eddy current retarder control system, as shown in Figure 1, be systematic schematic diagram of the present invention, and cooperate shown in Figure 2 based on the CAN bus.Described eddy current retarder control system based on the CAN bus is formed by preceding control module 1, back control module 2 and with the CAN bus 3 that both link to each other; Preceding control module 1 and back control module 2 all possess the CAN bus interface to connect into the control system based on the CAN product line by CAN bus 3.
Described back control module 2 is made up of single-chip microcomputer 21, CAN transmission circuit 22, switching value signal processing circuit 23, pulse signal treatment circuit 24, analog signal processing circuit 25, driving circuit 26 and power circuit 27, and each circuit all links to each other with single-chip microcomputer 21.This back control module 2 links to each other with the retarder stator 8 of passenger vehicle, is used to collect signals such as speed that current vortex retarder provides, temperature, and the coil of driving current vortex retarder stator 8.
As shown in Figure 3, the CAN transmission circuit 12,22 of described preceding control module 1 or back control module 2 mainly is made up of single-chip microcomputer IC 61 and CAN transceiver ic 62; Single-chip microcomputer IC 61 inner integrated CAN controllers 63 just need not to use special-purpose CAN controller IC like this between single-chip microcomputer IC 61 and the CAN transceiver ic 62.
Claims (7)
1. eddy current retarder control system based on the CAN bus is characterized in that: this system is made up of preceding control module, back control module, CAN bus; Preceding control module and back control module all possess the CAN bus interface, are connected by the CAN bus.
2. according to the described eddy current retarder control system based on the CAN bus of claim 1, it is characterized in that: the control module is made up of single-chip microcomputer and the CAN transmission circuit that all links to each other with single-chip microcomputer, switching value signal processing circuit, pulse signal treatment circuit, analog signal processing circuit, driving circuit and power circuit before described.
3. according to the described eddy current retarder control system based on the CAN bus of claim 1, it is characterized in that: described back control module is made up of single-chip microcomputer and the CAN transmission circuit that all links to each other with single-chip microcomputer, switching value signal processing circuit, pulse signal treatment circuit, analog signal processing circuit, driving circuit and power circuit.
4. according to the described eddy current retarder control system based on the CAN bus of claim 2, it is characterized in that: the CAN transmission circuit of control module mainly is made up of single-chip microcomputer IC and CAN transceiver ic before described; The inner integrated CAN controller of single-chip microcomputer IC.
5. according to the described eddy current retarder control system based on the CAN bus of claim 3, it is characterized in that: the CAN transmission circuit of described back control module mainly is made up of single-chip microcomputer IC and CAN transceiver ic; The inner integrated CAN controller of single-chip microcomputer IC.
6. according to the described eddy current retarder control system based on the CAN bus of one of claim 1-5, it is characterized in that: the control module links to each other by other CAN bus nodes of CAN bus and vehicle with back control module before described.
7. eddy current retarder control system based on the CAN bus is characterized in that: this system is made up of back control module, CAN bus, other CAN bus nodes of vehicle; Back control module possesses the CAN bus interface, is connected by other CAN bus nodes of CAN bus and vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910111314A CN101840218A (en) | 2009-03-19 | 2009-03-19 | Eddy current retarder control system based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910111314A CN101840218A (en) | 2009-03-19 | 2009-03-19 | Eddy current retarder control system based on CAN bus |
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| Publication Number | Publication Date |
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| CN101840218A true CN101840218A (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910111314A Pending CN101840218A (en) | 2009-03-19 | 2009-03-19 | Eddy current retarder control system based on CAN bus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832288A (en) * | 2014-03-13 | 2014-06-04 | 山东交通职业学院 | Eddy current retarder control system based on CAN bus |
| CN106004838A (en) * | 2016-06-23 | 2016-10-12 | 吉林大学 | Auxiliary downhill control system and control method based on retarder |
-
2009
- 2009-03-19 CN CN200910111314A patent/CN101840218A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832288A (en) * | 2014-03-13 | 2014-06-04 | 山东交通职业学院 | Eddy current retarder control system based on CAN bus |
| CN103832288B (en) * | 2014-03-13 | 2015-10-14 | 山东交通职业学院 | A kind of eddy current retarder control system based on CAN |
| CN106004838A (en) * | 2016-06-23 | 2016-10-12 | 吉林大学 | Auxiliary downhill control system and control method based on retarder |
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Open date: 20100922 |