CN104699066A - Electronic control module - Google Patents
Electronic control module Download PDFInfo
- Publication number
- CN104699066A CN104699066A CN201310648617.XA CN201310648617A CN104699066A CN 104699066 A CN104699066 A CN 104699066A CN 201310648617 A CN201310648617 A CN 201310648617A CN 104699066 A CN104699066 A CN 104699066A
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- control module
- electronic control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control By Computers (AREA)
Abstract
The invention provides an electronic control module comprising a communication interface, a plurality of I/O ports, a driving unit used for driving the I/O ports, and a control unit connected with the communication interface and the driving unit of the module so as to control data communication of the communication interface and data input/output through the I/O ports.
Description
Technical field
The present invention relates to a kind of Vehicle Electronic Control module.
Background technology
Production out after, need function test system to verify its various performance (performance mentioned in this article all refers to electrical property).Function test system is generally made up of industrial computer (may need as required various Communication Card, I/O control module are housed), load box (being used for simulating the various duty of product to be tested and load), testing tool (acquisition test result) and test fixture (fixture is used for fixing product to be tested, connects product to be tested and load box and various testing tool).Industrial computer is built with test procedure, and this program frequently can control various testing tool, test board, load box, fixture and product to be tested in whole test process.The process of a software and hardware combining to the control of testing tool, test board, load box and product to be tested.
In order to realize the control (being also called news, Communication diagnostic) to product to be tested, need on industrial computer, configure corresponding address card, namely select corresponding Communication Card for the communications protocol in test and diagnosis, modal is CAN card.In order to realize the control to load box and fixture, needing on industrial computer, configure I/O control module, being used for doing in load box and fixture switching and obtain some measurement parameter, namely need according to project the DIO data collecting card selecting respective numbers.But, these control cards (I/O unit) and address card very expensive, all belong to test macro wholesale investment.And the resource of relevant board does not often accomplish to make full use of.The demand trend less and less of the more and more and single model of the model along with product, investment can constantly increase.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of electronic control module, comprising: communication interface; Multiple I/O port; Driver element, for driving multiple I/O port; And control module, be connected with the communication interface of this module, driver element, thus the data communication of communication control interface and the data I/O by I/O port.
Relative to prior art, because electronic control module according to the present invention has communication interface, therefore communication can be carried out with multiple terminal equipment neatly, and this electronic control module also has multiple I/O port, therefore industrial computer can control described multiple I/O port via communication interface, and be easy to the expansion realizing I/O port, thus realize the extendible universal electronic control module having communication and I/O data acquisition function concurrently.Therefore, electronic control module cost provided by the invention is low, purposes is many, the onsite application of factory can be met completely, the investment of low cost just can meet the requirement of production line, special numerous in current automobile electronics model, and quantity on order is on the contrary constantly under downward trend, present invention saves the investment of testing station.
Accompanying drawing explanation
Fig. 1 is the arrangement plan that electronic control module is according to an embodiment of the invention shown.
Fig. 2 is the block diagram that a kind of Automobile Test System comprising electronic control module is according to an embodiment of the invention shown;
Fig. 3 is the block diagram that the another kind of Automobile Test System comprising electronic control module is according to an embodiment of the invention shown;
Fig. 4 is the block diagram that another Automobile Test System comprising electronic control module is according to an embodiment of the invention shown.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.In the following description, many details have been set forth to make person of ordinary skill in the field more fully understand and realize the present invention.But be apparent that person of ordinary skill in the field, realization of the present invention can not have some in these details.In addition, should be understood that, the present invention is not limited to introduced specific embodiment.On the contrary, can consider to implement the present invention by the combination in any of characteristic sum key element described below, and no matter whether they relate to different embodiments.Therefore, aspect below, feature, embodiment and advantage use for illustrative purposes only, and should not regard key element or the restriction of claim as, unless clearly proposed in the claims.
The following describes according to electronic control module example of the present invention, this module comprises communication interface, driver element, multiple I/O port and control module.
The communication interface of this module is such as UART(UniversalAsynchronous Receiver/Transmitter in the embodiment shown in fig. 1, universal asynchronous receiving-transmitting transmitter) serial ports, CAN(Controller Area Network, control area net（CAN）) interface etc.
As shown in Figure 1, the communication interface of this module can also comprise LIN(Local InterconnectNetwork, local interconnected) interface, achieve the support to CAN and LIN communication.
Multiple I/O ports of this module comprise multichannel scale-of-two and export (A type), scale-of-two input (Type B), analog input (C type), analog output (D type).X in Fig. 1 represents numbering.
The driver element of this module comprises four kinds and drives matrix (A, B, C, D type), is respectively used to the four kinds of I/O ports driving this module.
The control module of this module is connected with driver element with the communication interface of this module, thus controls the data communication by interface and the data I/O by I/O port.
As shown in Figure 1, the communication interface of this module can also comprise DLL (dynamic link library), such as API (Application Programming Interface, application programming interface), thus, write preset program in a control unit, thus perform corresponding control.DLL (dynamic link library) is substantially just inoperative after program write, and external object is the amendment of conveniently program.The meaning of so-called corresponding control refers to: because the present invention has certain dirigibility, and various control and communication modes are all optional, and depend on the connection of external hardware and the program of write control chip, when configuration is different, the function of realization is also different.
As shown in Figure 1, another CAN/LIN interface can also be provided with in the module, between this another CAN/LIN interface and control module, be connected with CAN/LIN signal conversion unit.This CAN/LIN signal conversion unit passes through hardware implementing, make level conversion to use, the CAN/LIN signal level from CAN card to be converted to the level needed for the control module in this module, control module generates the signal for controlling to drive matrix thus, to control I/O port.
This control module is a kind of MCU main control chip (as shown in Figure 1).
This electronic control module can be applicable to automotive electronics field tests, such as, forms Automobile Test System together with industrial computer, test fixture, load box, for carrying out Electronic Testing to product to be tested (such as, automotive electronics parts).
Describe a kind of Automobile Test System comprising electronic control module example referring now to Fig. 2, this Automobile Test System comprises: industrial computer; Test fixture, for fixing product to be tested; Testing station load box, carrys out the parts be connected with product to be tested in simulated automotive for providing certain load for product to be tested; And the electronic control module to be connected with industrial computer, test fixture, testing station load box and product to be tested, for obtaining the information of product to be tested, and be that product to be tested applies certain load to enter corresponding test by these information.
Industrial computer is configured with UART serial ports, and it is connected with the UART serial ports of electronic control module, and is configured with USB interface, and it is connected with the api interface of electronic control module.
By the UART serial ports configured on industrial computer, make the signal exported through it after level conversion, via the UART Serial Port Transmission of electronic control module in the control module of electronic control module.After this, after the signal transferring to control module is on the one hand converted into CAN signal, the CAN interface via electronic control module outputs to product to be tested, realizes the communication of industrial computer to product to be tested; On the other hand, be converted into the signal for controlling the driving matrix in electronic control module, to control I/O port, with the data communication of implementation and testing fixture and test load case.It will be appreciated by those skilled in the art that, CAN signal from product to be tested can be transferred in the control module of electronic control module through the CAN interface of electronic control module, be converted into UART signal, then the UART serial ports through electronic control module exports, after level conversion, be input to the UART serial ports on industrial computer, realize the communication of product to be tested to industrial computer.Thus, the data communication between electronic control module and industrial computer is realized.Serial Communication Mode due to this low cost does not need to configure CAN card on industrial computer, therefore can greatly reduce costs.
Continue with reference to shown in Fig. 2, by the USB interface configured on industrial computer, test control program can be exported by USB interface and write electronic control module by the api interface of electronic control module, can test accordingly to make electronic control module according to test control program to product to be tested.In test process, electronic control module is converted to CAN signal and product to be tested communication the UART signal that industrial computer exports on the one hand, switched by the control command control I/O in UART signal on the one hand, because multiple I/O ports of electronic control module are connected with test fixture and testing station load box respectively, the concrete action behavior of Industrial Computer Control fixture can be realized by control I/O switching and provide service load for testing, thus reaching the object of test.
When the product to be tested that will test increases I/O resources requirement, when needing expansion I/O port, multiple above-mentioned electronic control module can be used.Now, by configuring multiple UART serial ports on industrial computer, can be connected with the UART serial ports of each in multiple electronic control module respectively, the I/O port of multiple electronic control module being controlled, realizes the expansion of I/O port.With reference to shown in Fig. 3, the electronic control module described in 3 is selected in the another kind of Automobile Test System comprising electronic control module according to an embodiment of the invention, and on industrial computer, configure 3 UART serial ports (UART1, UART2 and UART3), to realize selecting 6 A Xing He 10 road, road Type B I/O port controlling test fixtures, 48 road Type B I/O port controlling test load casees.Please note, this is only an example, in fact I/O port according to during the needing of test load case and test fixture can flexible configuration kind and quantity to reach different functions, this does not need to describe this details in detail, as long as those skilled in the art can understand.
Because CAN is as a kind of multi-line network communication system, reliably mechanics of communication, and cheap price flexible with its time-division many masters, non-destructive bus arbitration and automatic error request etc., is widely used in automobile and controls distributed real-time system.With reference to shown in Fig. 4, in another Automobile Test System comprising electronic control module according to an embodiment of the invention, each electronic control module is configured with a CAN/LIN interface, and industrial computer is configured with CAN card.The CAN card that industrial computer configures is connected with the CAN/LIN interface of electronic control module and is also connected with product to be tested.That is, industrial computer, electronic control module and product to be tested link together by CAN, thus it is shared to realize CAN data communication.Particularly, CAN/LIN signal level from the CAN card that industrial computer configures is converted to the level needed for control module in this module by the CAN/LIN signal conversion unit of electronic control module inside, control module generates the signal for controlling to drive matrix thus, to control I/O port (combining with reference to figure 1).Further, because CAN card is directly connected with product to be tested, achieve the communication between industrial computer and product to be tested, then without the need to configuring another CAN interface at electronic control module again, correspondingly to provide cost savings.Or, also according to actual needs, CAN card directly can be connected with product to be tested, but realize the communication between industrial computer and product to be tested by another CAN mouth of certain electronic control module.
Visible, by only configuring a CAN card (without the need to configuring multiple UART serial ports again) on industrial computer, just can connect more electronic control module, the I/O port of more electronic control module is controlled, thus realize the expansion of more I/O port.This makes Automobile Test System have, and with low cost, structure is simple, design easily, the application advantage such as strong interference immunity.
Each embodiment described above is described I/O port and both can be controlled by UART serial ports, also can be controlled by CAN interface.Any as selection, need to judge flexibly.Assuming that an electronic control module only has 16 road I/O, if need 100 road I/O control signals to the test of certain product to be tested, many electronic control modules used by needs by the mode selecting UART serial ports to control, correspondingly, industrial computer also needs configure many UART serial ports, this can increase the maintenance difficulties of system certainly, now obviously adopts CAN signal to drive IO more suitable.But if 10 road I/O control signals are only needed to the test of certain product to be tested, select the UART of low cost feasible.Therefore, electronic control module of the present invention also provides very large dirigibility when configuration testing system.
Generally speaking, the present invention is actually and has done optimization in product to be tested communication and I/O port two.First, industrial computer eliminates the configuration of DIO data collecting card completely, and realize the control to test fixture and test load case by the I/O port in electronic control module, provide cost savings; And give the multiple I/O control mode of such as UART and CAN, improve the dirigibility of configuration testing system.Secondly, in communication, support the multiple communication of such as UART, CAN and LIN, UART signal imitation CAN signal can also be used and without the need to configuring CAN card on industrial computer, doing like this and also providing cost savings further simultaneously.
Although the foregoing describe exemplary embodiment of the present invention, the present invention is not limited thereto.Person of ordinary skill in the field can make various change and amendment, and does not depart from the spirit and scope of the present invention.Scope of the present invention is only defined by the claims.
Claims (10)
1. an electronic control module, comprises
Communication interface;
Multiple I/O port;
Driver element, for driving multiple I/O port; And
Control module, is connected with the communication interface of this module, driver element, thus the data communication of communication control interface and the data I/O by I/O port.
2. electronic control module according to claim 1, wherein, described communication interface comprises serial line interface and/or CAN interface.
3. electronic control module according to claim 2, wherein, described serial line interface is UART serial ports.
4. electronic control module according to claim 3, wherein, described CAN interface is configured to CAN/LIN interface.
5. electronic control module as claimed in one of claims 2-4, wherein, described communication interface is also included in the CAN signal converting unit being connected with between this CAN interface and described control module and making level conversion and use, and this CAN interface can link with the CAN of this electronic control module outside and connect.
6. electronic control module according to claim 5, wherein, described CAN signal converting unit is configured to CAN/LIN signal conversion unit.
7. electronic control module according to claim 1, wherein, described multiple I/O port comprises multichannel binary output mouth, scale-of-two input port, analog input port, analog output port.
8. electronic control module according to claim 7, wherein, described driver element comprises four kinds and drives matrix, is respectively used to the four kinds of I/O ports driving this module.
9. electronic control module according to claim 2, wherein, described communication interface also comprises DLL (dynamic link library), by described DLL (dynamic link library), in described control module, writes preset program, thus performs corresponding control.
10. an Automobile Test System, comprises electronic control module as claimed in one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648617.XA CN104699066A (en) | 2013-12-04 | 2013-12-04 | Electronic control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310648617.XA CN104699066A (en) | 2013-12-04 | 2013-12-04 | Electronic control module |
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| CN104699066A true CN104699066A (en) | 2015-06-10 |
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| CN201310648617.XA Pending CN104699066A (en) | 2013-12-04 | 2013-12-04 | Electronic control module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153376A (en) * | 2017-05-19 | 2017-09-12 | 肇庆市智高电机有限公司 | A kind of electronic controller |
| CN108400918A (en) * | 2018-01-31 | 2018-08-14 | 佛山市聚成知识产权服务有限公司 | A kind of Internet data transmission processing system |
| CN108809788A (en) * | 2018-06-30 | 2018-11-13 | 惠州华阳通用电子有限公司 | A kind of communication automatic switching control equipment and method |
| CN112522765A (en) * | 2020-03-26 | 2021-03-19 | 江苏世之高智能装备有限公司 | Automatic electroplating line car control system |
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| JPS5966730A (en) * | 1982-10-08 | 1984-04-16 | Nec Corp | Input and output controller |
| CN202275322U (en) * | 2011-10-17 | 2012-06-13 | 芜湖比翼鸟航空科技有限公司 | Comprehensive detection platform for automotive electronics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153376A (en) * | 2017-05-19 | 2017-09-12 | 肇庆市智高电机有限公司 | A kind of electronic controller |
| CN108400918A (en) * | 2018-01-31 | 2018-08-14 | 佛山市聚成知识产权服务有限公司 | A kind of Internet data transmission processing system |
| CN108809788A (en) * | 2018-06-30 | 2018-11-13 | 惠州华阳通用电子有限公司 | A kind of communication automatic switching control equipment and method |
| CN112522765A (en) * | 2020-03-26 | 2021-03-19 | 江苏世之高智能装备有限公司 | Automatic electroplating line car control system |
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Application publication date: 20150610 |