CN201457263U - CAN bus whole controller assembly - Google Patents
CAN bus whole controller assembly Download PDFInfo
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- CN201457263U CN201457263U CN2009200730615U CN200920073061U CN201457263U CN 201457263 U CN201457263 U CN 201457263U CN 2009200730615 U CN2009200730615 U CN 2009200730615U CN 200920073061 U CN200920073061 U CN 200920073061U CN 201457263 U CN201457263 U CN 201457263U
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Abstract
The utility model discloses a CAN bus whole controller assembly comprising an outer shell and a control circuit board in the outer shell. The circuit board comprises a power supply module and is provided with a singlechip, an output module, an input module, a CAN communication module and a data storage module for storing the important state information of a vehicle; the current output module, the input module, the CAN communication module and the data storage module are all connected with the singlechip; and the front end of the outer shell is provided with a threaded hole connected with a signal on the vehicle. The utility model improves the radiation performance of the controller and the contact reliability with external equipment, has high communication rate and ensures the accuracy of the input/output signals; and the controller can automatically start a protection mode and the protection function of the current output module under the condition of no communication to ensure the driving safety of the vehicle, and has the advantages of simple structure, convenient maintenance, low failure rate and suitability on various vehicles.
Description
Technical field
A kind of entire car controller that the utility model relates to, the CAN bus entire car controller assembly that in particular a kind of vehicle uses.
Background technology
Along with the development of vehicle electronic device, more and more Duo vehicle all is to have used based on the bus type electrical structure, and CAN bus and LIN bus are two kinds of more common bus architecture.Wherein, CAN is the abbreviation (hereinafter referred to as CAN) of ControllerArea Network, is the serial communication protocol of ISO international standarkdization.The CAN bus be German BOSCH company from the beginning of the eighties for solving a kind of serial data communication agreement that control numerous the modern automobile and the data exchange between the testing tool are developed, it is a kind of multi-master bus, and communication media can be twisted-pair feeder, coaxial cable or light transmitting fiber.In current automobile industry, for to safety, traveling comfort, comfort feature, low public hazards, requirement cheaply, various electronic control systems have been developed.Because the requirement that the data type that signal post uses between these systems reaches reliability is not quite similar, situation about being made of multiple bus is a lot, and the quantity of wire harness also increases thereupon.For adapting to the needs of " quantity that reduces wire harness ", " by a plurality of LAN, carrying out the high-speed communication of mass data ", after this, CAN has carried out normalisation by ISO11898 and ISO11519, has been the standard agreement of automotive networking in Europe now.
The body electrical of conventional truck is connected load with wire harness mostly with master cock, and along with the development of onboard electrical, and electric more and more on the car just cause vehicle harness to roll up, and are difficult in maintenance; This there are now two kinds of solutions, a kind of is to adopt distributed frame, be exactly each load is linked to each other with independent controller, total and then by each controller work of line control and then reduce the use of wire harness, yet this method is owing to used a large amount of controllers to make cost increase; Another kind method hub-and-spoke configuration, most of input and output with load all focus on one or several controller exactly, but the existing controller that is used for hub-and-spoke configuration is because input/output signal is numerous, and vehicle harness rolls up, cause the circuit complexity, reliability reduces.
The utility model content
The utility model is based on the hub-and-spoke configuration of CAN bus, and a kind of simple in structure, easy to maintenance, perfect heat-dissipating, reliability height and the low CAN bus entire car controller of fault rate are provided, and solves the deficiency that exists on the prior art.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of CAN bus entire car controller assembly comprises shell, shell inner control circuit plate; It is characterized in that, comprise power module on the described circuit card and be provided with the data memory module that a micro controller system, an output module, a load module, a CAN communication module and are used to store the important state information of vehicle, described output module, a load module, a CAN communication module and a data memory module all are connected with micro controller system, the front end of described shell is provided with the tapped bore that connects earth signal on the vehicle, like this can be so that controller can contact well with ground, thus the particularity of its input/output signal guaranteed.
Also be provided with rubber seal and ventilative seal cover cap on the described shell, not only make the degree of protection of cast aluminium case internal control circuit plate reach IP69 but also internal gas can be easily and the extraneous gas exchange keep the conformability of internal and external environment.
Described CAN communication module is connected with other ECU (Electrical Control Unit) of vehicle by the CAN bus, and the utility model detects other ECU (Electrical Control Unit) that the input and output failure message is issued vehicle by the CAN bus with this controller. and described CAN communication module is provided with the two-way CAN communication module that uses as gateway.
According to described a kind of CAN bus entire car controller assembly, wherein, described output module comprises a low current output circuit, a high current output circuit, a vehicle speed signal output module and an adjustable output circuit, described low current output circuit, high current output circuit, vehicle speed signal output module and adjustable output circuit all are connected with micro controller system, and the logical relation between each input and the output can be passed through software definition, makes things convenient for the design of vehicle electric function.
According to described a kind of CAN bus entire car controller assembly, wherein, described load module comprises a configurable input, analog quantity input and frequency quantity input, and described analog quantity load module comprises configurable high value input and low resistance input.Input all is connected with micro controller system with a frequency quantity for this configurable input, analog quantity input, amount of logic, analog quantity and the frequency quantity etc. of input are sent to micro controller system is handled and send again by the input of configurable input, frequency quantity and analog quantity input, handle sending output module, CAN communication module and data memory module to through micro controller system.In addition, described configurable input has the software configurable functionality, promptly can change the influence value of controller to incoming signal easily by software.Described analog quantity input can be high value input or low resistance input according to software arrangements, guarantees the accurate detection of analog quantity.
Described frequency quantity input is connected with the wire harness form with vehicle sensors, is used to gather the speed of a motor vehicle, the incoming signal of sensors such as engine speed.
Described output module also is provided with protection module, and output module has had defencive function by protection module, and each output can judge that output is faults such as short circuit or open circuit by voltage, and when fault, controller can cut off output and report to the police.
Described low current output module also is provided with LED load detection module, and LED load detection module has that the LED lamp load detects and controllable function, when it detects load and is the LED lamp, will adjust electric current and export and detecting pattern, makes current detecting more accurate.
Described speed of a motor vehicle output module can produce the vehicle speed signal of standard or the B7/C3 signal of standard according to the vehicle speed signal that controller collects, to adapt to the requirement of other different controllers to vehicle speed signal.
Described data memory module can store information such as the important information of vehicle such as mileage, controller output fault when system works, and quits work and do not have in system and guarantee under the situation of externally fed that data do not lose.
According to described a kind of CAN bus entire car controller assembly, wherein, also be provided with on the described control circuit board and external device equipment bonded assembly connector for circuit board, convenience is connected with external device.
In order to prevent that dust from entering in the connector for circuit board part, described shell is provided with the transparent PC material connector case that is used for the cover cap connector for circuit board, not only makes when debugging this connector case for convenience detach with the line inspection but also the outward appearance of having beautified product.
Be provided with the vehicle-mounted connector of AMP in the described connector for circuit board, be connected with external device, increased the reliability that controller contacts with external device by the vehicle-mounted connector of AMP.
Controller mode of operation LED light and this controller CAN communication indicator lamp are installed at the two ends of described connector case, and this makes user or commissioning staff can check the state of controller at any time by these two status lamps, is easy to safeguard and debugging.
According to described a kind of CAN bus entire car controller assembly, wherein, described shell is provided with a heat radiation striped, has improved the heat dispersion of controller.
The utility model has adopted shell, ventilative seal cover cap and the transparent PC material connector case of heat radiation striped, controller heat dispersion and the reliability that contacts with external device have been improved, and the front end of shell is provided with the tapped bore of ground signalling, guarantees the particularity of its input/output signal; Losing the defencive function that controller under the situation of communication can be enabled protected mode and output module automatically with other ECU (Electrical Control Unit); the safety that support vehicles travel; make to the utlity model has advantage simple in structure, easy to maintenance, that heat dispersion is high, load power is big and fault rate is low, be fit to different vehicle and use.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a front view of the present utility model.
Fig. 2 is the bottom surface structural representation of Fig. 1.
Fig. 3 is the right elevation of Fig. 2.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is an internal circuit module diagram of the present utility model.
Fig. 6 is applied in system chart in the vehicle for the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Referring to Fig. 1 to Fig. 6, a kind of CAN bus of the utility model entire car controller assembly comprises shell 300, shell 300 inner control circuit plates 100; This shell 300 is the cast aluminium case, has made heat sink strip pit 313 on its surface, is used to improve the heat dispersion of controller, makes single controller be enough to carry the continuous power output of 1600W.Be provided with four installing and locating holes 312 of protruding outer casing bottom in the bottom of shell 300, promptly this installing and locating hole 312 is slightly higher than the bottom surface of shell 300, makes that its requirement to mounting plane is not very high, is easy to be installed in the vehicle.Being provided with the tapped bore 311 that connects earth signal on the vehicle body at the front end of shell 300, like this can be so that controller can contact well with ground, thus guarantee the particularity of its input/output signal.On shell 300, also adopted the ventilative seal cover cap 310 of rubber seal and GORE company, not only make the degree of protection of cast aluminium case internal control circuit plate 100 reach IP69 but also internal gas can be easily and the extraneous gas exchange keep the conformability of internal and external environment.Comprise power module 200 on the control circuit board 100 of portion in the enclosure, and a micro controller system 110 is installed, this micro controller system 110 is selected 16 micro controller systems at a high speed for use, and control circuit board 100 has adopted six layers of Au-plated board, guarantees that numerous signals can in time be handled and not disturb mutually.Also be equipped with on control circuit board 100 and micro controller system 110 bonded assemblys one output module 120, a load module 130, a CAN communication module 140 and a data memory module 150, this CAN communication module 140 links to each other with other controllers of vehicle by the CAN bus.The utility model is gathered incoming signal by load module 120, this signal by micro controller system 110 (or claim MCU) after after the logic determines, 120 outputs of corresponding current output module, whether normal by testing circuit test output voltage then, and state issued other controllers by CAN communication module 140, and the important information of vehicle can be stored by data memory module 150.
In the present embodiment, on control circuit board 100, made and external device bonded assembly connector for circuit board 330, this connector for circuit board 330 is the vehicle-mounted connector of AMP, the utility model is connected with external device by the vehicle-mounted connector of AMP, increased the reliability that controller contacts with external device. installation and control circuit card in the enclosure, wherein, entire circuit board connector 330 is emerging in the surface of shell 300, shroud the transparent PC material connector case 320 that texturing is arranged on this connector for circuit board 330, be connected with structure between the texturing transparent plug-in unit case by the cast aluminium case and make it can prevent well that dust from entering the connector for circuit board part; This connector case 320 makes that not only this case for convenience detach is to check input/output signal but also the outward appearance of having beautified product when debugging. controller mode of operation LED light and this controller CAN communication indicator lamp (not shown) are installed at the two ends of texturing transparent plug-in unit case 320, this makes user or commissioning staff can check the state of controller at any time by these two status lamps, is easy to safeguard and debugging.
What deserves to be mentioned is that output module 120 of the present utility model comprises a low current output circuit 121, one high current output circuit 122, one adjustable output circuits 123 and a vehicle speed signal output module 124; This low current output circuit 121, high current output circuit 122, vehicle speed signal output module 124 and adjustable output circuit 123 all are connected with micro controller system 110.Wherein speed of a motor vehicle output module 124 can produce the standard speed of a motor vehicle (or B7/C3) signal according to the vehicle speed signal that controller collects, to adapt to the requirement of other different controllers to vehicle speed signal.
In addition, but the utility model CAN bus entire car controller assembly has all kinds of electrical loads on the 4 tunnel adjustable output powered vehicle such as fog lamp, wiper, defogger etc., and output can change the size of outgoing current according to the change of outward sign to satisfy the demand of outdevice.In the utility model, also comprise a configurable input 131, analog quantity input 132 and one frequency quantity input 133 in the load module 130, wherein, the analog quantity load module is that analog quantity input 132 also comprises configurable high value input and low resistance input.The utility model sends amount of logic, analog quantity and the frequency quantity etc. of input to micro controller system 110 handled by configurable input 131 and analog quantity input 132 and sends, sends output module 120, CAN communication module 140 or data memory module 150 to after handling through micro controller system 110.In addition, configurable input 131 is the software configurable functionality, promptly can change the influence value of controller to incoming signal easily by software.And the logical relation between each input of the present utility model and the output can be passed through software definition, has made things convenient for the design of vehicle electric function.
Even more noteworthy; in the utility model; output module 120 also is equipped with protection module; this output module has had defencive function by protection module; each output circuit can judge that output is faults such as short circuit or open circuit by voltage; and when fault, controller can cut off output and instant alarming.CAN communication module 140 in the utility model is connected with the CAN bus of vehicle, detected input and output failure message is issued engine electric-controlled unit and other ECU (Electrical Control Unit) of vehicle by the CAN bus.Losing when the utility model under the situation of communication and can enable the safety that protected mode comes support vehicles to travel automatically, improving the safety performance of vehicle.
It should be noted that more; in the utility model; low current output module 121 also is equipped with LED load detection module; this module has LED load control and measuring ability; when the current output terminal external loading is the LED lamp; this module can provide electric current output, and electric current is accurately detected, and whether has fault and protects to judge the LED load end.
For instance, again referring to Fig. 6, each controller of the utility model can carry the power output of 1600W and produce the accurate speed of a motor vehicle of 4 road signs (or B7/C3) signal output, makes things convenient for the user to use; And according to the vehicle actual conditions input is defined as required input type, is set to high input as ignition lock; The input of vehicle and load module of the present utility model 130 are connected with wire harness; Load and output module 120 are connected with wire harness; At first load module 130 is gathered incoming signal such as on-off signal, frequency signal or analog signals, in the present embodiment, with the main power switch is example, after the main switch closure, load module 130 sends micro controller system 110 to after collecting signal, export through the corresponding pin of logic determines relief main power relay coil power through micro controller system 110, detect output voltage by testing circuit then, if detect output unusual (short circuit is arranged, overcurrent or open circuit), micro controller system 110 will cut off output with protection output and load, and output abnormality information is passed through CAN communication module 140, CAN bus 1 and other CAN bus 2 are issued other ECU (Electrical Control Unit) to inform the user; Behind trouble removal, it is normal that restarting systems is then recovered.
Based on above-mentioned, the utility model entire car controller is based on the hub-and-spoke configuration of CAN bus, and the on-off signal of vehicle directly is connected with controller, then accepted processing with the form of CAN bus message from the information of other controllers; MCU drives corresponding output and makes loaded work piece by to after the input process logic determines.
The utility model the utility model has adopted the shell 300 of heat sink strip pit, ventilative seal cover cap and transparent PC material connector case, controller heat dispersion and the reliability that contacts with external device have been improved, and the front end of shell is provided with the tapped bore of ground signalling, make its traffic rate height, guarantee the particularity of its input/output signal; This controller can be enabled the defencive function of protected mode and output module automatically under the situation that loses communication; the safety that support vehicles travel; make to the utlity model has advantage simple in structure, easy to maintenance, that heat dispersion is high and fault rate is low, be fit to different vehicle and use.
More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a CAN bus entire car controller assembly comprises shell, shell inner control circuit plate; It is characterized in that, comprise power module on the described circuit card and be provided with the data memory module that a micro controller system, an output module, a load module, a CAN communication module and are used to store the important state information of vehicle, described output module, a load module, a CAN communication module and a data memory module all are connected with micro controller system, described CAN communication module is provided with the two-way CAN communication module that uses as gateway, and the front end of described shell is provided with the tapped bore that connects earth signal on the vehicle.
2. a kind of CAN bus entire car controller assembly according to claim 1, it is characterized in that, described output module comprises a low current output circuit, a high current output circuit, an one adjustable output circuit and a vehicle speed signal output module, described low current output circuit, high current output circuit, adjustable output circuit and vehicle speed signal output module all are connected with micro controller system.
3. a kind of CAN bus entire car controller assembly according to claim 1, it is characterized in that, described load module comprises a configurable input, analog quantity input and frequency quantity input, wherein the analog quantity load module comprises configurable high value input and low resistance input, and input all is connected with micro controller system with a frequency quantity for described configurable input, analog quantity input.
4. a kind of CAN bus entire car controller assembly according to claim 1 is characterized in that, also is provided with on the described control circuit board and external device bonded assembly connector for circuit board.
5. a kind of CAN bus entire car controller assembly according to claim 4 is characterized in that described shell is provided with the connector case that is used for the cover cap connector for circuit board.
6. a kind of CAN bus entire car controller assembly according to claim 5 is characterized in that the two ends of described connector case are provided with controller mode of operation LED light and CAN communication indicator lamp, and described CAN communication indication is connected with the CAN communication module.
7. a kind of CAN bus entire car controller assembly according to claim 1 is characterized in that, also is provided with rubber seal and ventilative seal cover cap on the described shell.
8. a kind of CAN bus entire car controller assembly according to claim 1 is characterized in that, described shell is provided with a heat radiation striped with thermolysis.
9. a kind of CAN bus entire car controller assembly according to claim 1 is characterized in that, also is provided with protection module on the described output module.
10. a kind of CAN bus entire car controller assembly according to claim 2 is characterized in that described low current output module also is provided with LED load detection control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200730615U CN201457263U (en) | 2009-05-27 | 2009-05-27 | CAN bus whole controller assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200730615U CN201457263U (en) | 2009-05-27 | 2009-05-27 | CAN bus whole controller assembly |
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| CN201457263U true CN201457263U (en) | 2010-05-12 |
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| CN2009200730615U Expired - Lifetime CN201457263U (en) | 2009-05-27 | 2009-05-27 | CAN bus whole controller assembly |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166996A (en) * | 2011-03-02 | 2011-08-31 | 山东天海电装有限公司 | Controller of new energy automobile |
| CN103158647A (en) * | 2013-03-12 | 2013-06-19 | 赵长义 | Intelligent real-time guiding system for automobile safe driving and control method thereof |
| CN103857169A (en) * | 2012-12-03 | 2014-06-11 | 北汽福田汽车股份有限公司 | Printed circuit board and electric car |
| CN108375372A (en) * | 2018-05-02 | 2018-08-07 | 北京雷神博峰信息技术有限责任公司 | A kind of vehicle attitude and environmental monitor |
| CN109062113A (en) * | 2018-09-03 | 2018-12-21 | 山海特种装备股份有限公司 | A kind of aircraft air source truck electrical control gear |
| CN110147054A (en) * | 2019-04-22 | 2019-08-20 | 威海华创自动化设备有限公司 | A kind of scissor vehicle electric controller |
| CN111361515A (en) * | 2018-12-25 | 2020-07-03 | 比亚迪股份有限公司 | Vehicle control device and vehicle with same |
| CN112252888A (en) * | 2020-10-09 | 2021-01-22 | 广汽本田汽车有限公司 | Vehicle window data input device |
-
2009
- 2009-05-27 CN CN2009200730615U patent/CN201457263U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166996A (en) * | 2011-03-02 | 2011-08-31 | 山东天海电装有限公司 | Controller of new energy automobile |
| CN103857169A (en) * | 2012-12-03 | 2014-06-11 | 北汽福田汽车股份有限公司 | Printed circuit board and electric car |
| CN103857169B (en) * | 2012-12-03 | 2017-06-06 | 北汽福田汽车股份有限公司 | A kind of printed circuit board (PCB) and electric automobile |
| CN103158647A (en) * | 2013-03-12 | 2013-06-19 | 赵长义 | Intelligent real-time guiding system for automobile safe driving and control method thereof |
| CN108375372A (en) * | 2018-05-02 | 2018-08-07 | 北京雷神博峰信息技术有限责任公司 | A kind of vehicle attitude and environmental monitor |
| CN109062113A (en) * | 2018-09-03 | 2018-12-21 | 山海特种装备股份有限公司 | A kind of aircraft air source truck electrical control gear |
| CN111361515A (en) * | 2018-12-25 | 2020-07-03 | 比亚迪股份有限公司 | Vehicle control device and vehicle with same |
| CN110147054A (en) * | 2019-04-22 | 2019-08-20 | 威海华创自动化设备有限公司 | A kind of scissor vehicle electric controller |
| CN112252888A (en) * | 2020-10-09 | 2021-01-22 | 广汽本田汽车有限公司 | Vehicle window data input device |
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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 |
Granted publication date: 20100512 |
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| CX01 | Expiry of patent term |