CN203870408U - Vehicle data acquisition simulation system - Google Patents
Vehicle data acquisition simulation system Download PDFInfo
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- CN203870408U CN203870408U CN201420247989.1U CN201420247989U CN203870408U CN 203870408 U CN203870408 U CN 203870408U CN 201420247989 U CN201420247989 U CN 201420247989U CN 203870408 U CN203870408 U CN 203870408U
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- 238000013480 data collection Methods 0.000 claims description 5
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Abstract
The utility model relates to a vehicle data acquisition simulation system. The vehicle data acquisition simulation system comprises a power module, a data interface conversion module, a computer system, a signal acquisition module and a system desk frame module. The data interface conversion module is respectively connected with the computer system and the signal acquisition module, the power module supplies power to the data interface conversion module and the signal acquisition module, and the system desk frame module is respectively connected with the data interface conversion module and the signal acquisition module. According to the utility model, a circuit employing a modularization design is employed, the modules are relatively independent, the integral performance is more reliable, upgrading of an individual module does not affect the working of other modules, the electrical performance of selected components in the circuit is good, the cost is low, and at the same time, the vehicle data acquisition simulation system has a data real-time storage function and a data error detection function, can reduce the error rate of finally received data to the maximum, has a high-edge signal monitoring function, can simulate wheel speed sensor output realistically, and can also realize switching between driving/driven wheel speed output modes through an interface.
Description
Technical field
The utility model belongs to data collecting field, and specifically it relates to a kind of vehicle data collection analogue system.
Background technology
When automobile is born, the data acquisition emulation test system of vehicle is in the exploitation of vehicle, test, and vital role is just being played the part of in demarcation aspect, right.In recent years, along with the progress of vehicle technology and the raising of automobile driving speed, this importance shows more and more obviously.Numerous automobile engineers is pouring into a large amount of painstaking effort aspect improvement and optimization automobile analogue system.Existing analogue system is by following deficiency: 1 circuit aspect does not adopt modular design, and data-interface is reserved the shortage property prepared, and sampled signal type lacks dirigibility.Although each circuit contact closely, as long as there is a part of circuit to go wrong, just can affect circuit other parts, the reliability of hardware circuit reduces; 2 hardware and softwares are relatively independent, with software program, do not go detection hardware fault.Circuit is more complicated, and integrated degree is not high enough, and cost is high.3 system softwares can not answer actual demand to change, and data reading displayed versatility more by force but also therefore specific aim is not enough, shows not directly perceived.The transmission speed of 4 image data is limited, and stability is not enough, is gathering, and is easily losing and make mistakes in transmitting procedure.5 can not wheel speed emulation can not simulate the true output of wheel speed sensors.
Utility model content
For the shortcoming of above prior art, the utility model provides a kind of overall performance reliably and can contact closely, and the compatibility between modules is strong, and hardware and software industry is relatively independent, also has the analogue system that each signal is provided by true device simultaneously.
To achieve these goals, the technical solution adopted in the utility model is: a kind of vehicle data collection analogue system, comprise power module, data-interface modular converter, computer system, signal acquisition module, system rack module, data-interface modular converter is connected with the department of computer science signal acquisition module of unifying respectively, and power module 1 is connected to respectively data-interface modular converter and signal acquisition module for data-interface modular converter and signal acquisition module power supply, system rack module.
Described power module comprises general supply input interface, power module, power output interface, insulating power supply output interface; General supply input interface connects power module, and it is the power supply of data-interface modular converter that power module connects power output interface, and insulating power supply output interface is signal acquisition module power supply.
Described data conversion module comprises data handling system, and data handling system is connected with CAN communication interface, analog input mouth, digital input port, simulation delivery outlet, digital output, FSC high-speed data acquisition interface respectively, realizes collection and the output of data; Data handling system is connected to the exchange that LAN communication interface realizes data and computer system.
Signal acquisition module comprises controllable current source module, wheel speed flash interface, differential conversion module, force samples module, digital quantity sampling module, ECU interface, pressure acquisition module is connected to the Gather and input of analog input Interface realization oil circuit pressure signal, ECU interface is connected to controllable current source by flash interface and realizes the wheel speed output signal that enable and receive controllable current source of ECU flash signal to controllable current source output, and controllable current source is connected to digital output, and to realize wheel speed current signal output-controlled; ECU interface is connected to the CAN signal conversion of CAN Interface realization ECU and data conversion module; The differential conversion module that is connected to ECU interface realizes ECU SPI signal and converts the reliability that differential signal transmission has increased high speed data transfer to; Differential conversion module is connected to the FSC data acquisition of FSC high-speed data acquisition Interface realization ECU.
Described system rack module comprises car load oil circuit and wheel cylinder, user input signal module, pressure sensor interface, user input signal module is connected to voltage transformation module, and voltage transformation module is connected to data-interface modular converter and realizes user control signal collection; Car load oil circuit and wheel cylinder are connected to pressure transducer, and pressure transducer is connected to pressure acquisition module.
The beneficial effects of the utility model are: 1, circuit adopts modular design, and relatively independent between modules, overall performance is more reliable, and the upgrading of separate modular can not affect the work of other modules.2, the selected components and parts good electric property of circuit, price is low.3, circuit adopts 4 laminate PCB designs, uses sticking-element, two-sided paster, and more compact structure, integrated level is high, and system miniaturization is easier.4, there is data real-time storage and data error detection function, can maximum possible reduce the error rate that finally receives data.5, with flash signal monitoring function, can export by real simulation wheel speed sensors, also can pass through Interface realization active/passive wheel speed output mode switching 6, real CAN bus data transport module, can simulated automotive CAN exchanges data.7, real vehicle body user input signal (igniting, brake pedal, car load oil circuit and wheel cylinder, vacuum booster, master cylinder).
Accompanying drawing explanation
The content of below the utility model Figure of description being expressed and the mark in figure are briefly described:
Fig. 1 is the system architecture diagram of the utility model embodiment;
Fig. 2 is the system operating structure figure of the utility model embodiment.
1. power modules wherein, 2. data-interface modular converter, 3. computer system, 4. signal acquisition module, 5. system rack module, 6. electronic control unit, 11. general supply input interfaces, 12. power modules, 13. power output interfaces, 14. insulating power supply output interfaces, 21.LAN communication interface, 22.CAN communication interface, 23. analog input mouths, 24. digital input ports, 25 simulation delivery outlets, 26. digital outputs, 27.FSC high-speed data acquisition interface, 28. data handling systems, 41. controllable current source modules, 42. wheel speed flash interfaces, 43. differential conversion modules, 44. force samples modules, 45. digital quantity sampling modules, 46.ECU interface, 51. car load oil circuit and wheel cylinders, 52. user input signal modules, 53. pressure sensor interfaces.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and principle of work, manufacturing process and operation using method etc., be described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present utility model, technical scheme.
As shown in Figure 1, a kind of vehicle data collection analogue system, this system comprises: power module 1, data-interface modular converter 2, computer system 3, signal acquisition module 4, system rack module 5, data-interface modular converter 2 is connected with signal acquisition module 4 with computer system 3 respectively, and power module 1 is data-interface modular converter 2 and signal acquisition module 4 power supplies; System rack module 5 is connected to respectively data-interface modular converter 2 and signal acquisition module 4, for the electronic control unit (ECU) of testing, be connected to signal acquisition module 4, the utility model circuit adopts modular design, relatively independent between modules, overall performance is more reliable, and the upgrading of separate modular can not affect the work of other modules.
As shown in Figure 2, power module 1 comprises general supply input interface 11, power module 12, power output interface 13, insulating power supply output interface 14; Described system power supply module 1 is connecting power module 12 by general supply input interface 11, and it is 2 power supplies of data-interface modular converter that power module 12 connects power output interface 13, and insulating power supply output interface 14 is signal acquisition module 4 power supplies.
Data conversion module 2 comprises data handling system 28, data handling system 28 connects respectively at LAN communication interface 21, CAN communication interface 22, analog input mouth 23, digital input port 24, simulation delivery outlet 25, digital output 26, the FSC high-speed data acquisition interface 27 of computer system 3, realizes collection and the output of data; Data handling system is connected to the exchange that LAN communication interface 21 realizes data and PC.The interior digital output 26 of described data conversion module 2 connects 41 to be realized the control of wheel speed output enable and receives the low limit of wheel speed signal.Simulation output interface 25 is as analog output spare interface.CAN communication interface 22 is connected to ECU by ECU interface 46 CAN signal is connected to ECU.FSC high-speed data acquisition interface 27 is connected to differential conversion module 43 reception ECU and sends over the FSC data after differential transformation.Analog input interface 23 receives by force samples module 44 pressure that pressure transducer 53 sends.The control signal that digital signal input interface 24 receives user input signal module 52 by level switch module 45 is inputted, and realizes the data-signal exchange between ECU and MCU.
Signal acquisition module 4 comprises controllable current source module 41, wheel speed flash interface 42, differential conversion module 43, force samples module 44, digital quantity sampling module 45, ECU interface 46, it is 44 power supplies of force samples module that power module 12 connects insulating power supply output interface 14, and signal acquisition module 4 internal pressure acquisition modules 44 are connected to pressure transducer 53.Pressure acquisition module 44 is connected to the Gather and input that analog input interface 23 is realized oil circuit pressure signal, the interior ECU interface 46 of signal acquisition module 4 is connected to controllable current source 41 by flash interface 42 and realizes the wheel speed output signal that enable and receive controllable current source 41 of ECU flash signal to controllable current source output, and controllable current source 41 is connected to digital output 26, and to realize wheel speed current signal output-controlled; ECU interface 46 is connected to the CAN signal conversion that CAN interface 22 is realized ECU and data conversion module; The differential conversion module 43 that is connected to ECU interface 46 realizes ECU SPI signal and converts the reliability that differential signal transmission has increased high speed data transfer to; Differential conversion module 43 is connected to the FSC data acquisition that FSC high-speed data acquisition interface 27 is realized ECU; Data handling system 28 is carried out redundancy check to collected data in real time, abandons number of non-compliances certificate, guarantees the validity and reliability of institute's image data.
System rack module 5 includes car load oil circuit and wheel cylinder 51, user input signal module 52, pressure sensor interface 53, user input signal module 52 is connected to voltage transformation module 45, and voltage transformation module 45 is connected to digital quantity input module 24 and realizes user control signal collection; Stand module 5 car load oil circuits and wheel cylinder 51 are connected to pressure transducer 53.
The utility model adopts following methods to control, and step 1, system are powered to pressure transducer to system power supply and insulating power supply 14 by power module 12 output 1 road 12V power supplys to general supply input interface 11 by mains-supplied.
Car load oil circuit on step 2, stand and wheel cylinder 51 are sent to data forwarding module 2 by pressure transducer sampling module 44 pressure signal and by data handling system 28, change into lan signal and issue computer system 3.
User input signal module 52 on step 3, stand is connected to voltage transformation module 45 and becomes signal that digital input port 24 can be identified to change into lan signal by data handling system 28 control signal voltage transitions to issue computer system 3.
The fsc signal of step 4, ECU forwards into differential signal through difference block 43 and by data handling system 28, changes into lan signal and issue computer system 3.
The CAN signal of step 5, ECU interface 46 is direct-connected to be changed into lan signal to data handling system 28 and issues computer system 3.
Step 6, ECU interface 46 wheel speed flash signals are connected to the output enable of current source module 41 and control, when ECU flash is worked, electric current output module could be exported and simulate real wheel speed sensors duty, complete the flash monitoring function of wheel speed signal, digital output 26 connects current source module 41 and controls the low limit of wheel speed that the size of electric current output is supplied with ECU interface 46 simultaneously.
By reference to the accompanying drawings the utility model has been carried out to exemplary retouching above; described the utility model relates to program part and is prior art; the program part that signal is processed is very ripe at present; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (5)
1. a vehicle data collection analogue system, it is characterized in that: this system comprises power module (1), data-interface modular converter (2), computer system (3), signal acquisition module (4), system rack module (5), data-interface modular converter (2) is connected with signal acquisition module (4) with computer system (3) respectively, and power module (1) is for data-interface modular converter (2) and signal acquisition module (4) is powered, system rack module (5) is connected to respectively data-interface modular converter (2) and signal acquisition module (4).
2. according to the analogue system shown in claim 1, it is characterized in that: described power module (1) comprises general supply input interface (11), power module (12), power output interface (13), insulating power supply output interface (14); General supply input interface (11) connects power module (12), it is data-interface modular converter (2) power supply that power module (12) connects power output interface (13), and insulating power supply output interface (14) is signal acquisition module (4) power supply.
3. according to the analogue system shown in claim 1, it is characterized in that: described data conversion module (2) comprises data handling system (28), data handling system (28) is connected with CAN communication interface (22), analog input mouth (23), digital input port (24), simulation delivery outlet (25), digital output (26), FSC high-speed data acquisition interface (27) respectively, realizes collection and the output of data; Data handling system (28) is connected to the exchange that LAN communication interface (21) realizes data and computer system (3).
4. according to the analogue system shown in claim 3, it is characterized in that: signal acquisition module (4) comprises controllable current source module (41), wheel speed flash interface (42), differential conversion module (43), force samples module (44), digital quantity sampling module (45), ECU interface (46), pressure acquisition module (44) is connected to the Gather and input that analog input interface (23) is realized oil circuit pressure signal, ECU interface (46) is connected to controllable current source (41) by flash interface (42) and realizes the wheel speed output signal that enable and receive controllable current source (41) of ECU flash signal to controllable current source output, controllable current source (41) is connected to digital output (26), and to realize wheel speed current signal output-controlled, ECU interface (46) is connected to the CAN signal conversion that CAN interface (22) is realized ECU and data conversion module, the differential conversion module (43) that is connected to ECU interface (46) realizes ECU SPI signal and converts the reliability that differential signal transmission has increased high speed data transfer to, differential conversion module (43) is connected to the FSC data acquisition that FSC high-speed data acquisition interface (27) is realized ECU.
5. analogue system according to claim 4, it is characterized in that: described system rack module (5) comprises car load oil circuit and wheel cylinder (51), user input signal module (52), pressure sensor interface (53), user input signal module (52) is connected to voltage transformation module (45), and voltage transformation module (45) is connected to data-interface modular converter (2) and realizes user control signal collection; Car load oil circuit and wheel cylinder (51) are connected to pressure transducer (53), and pressure transducer (53) is connected to pressure acquisition module (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247989.1U CN203870408U (en) | 2014-05-14 | 2014-05-14 | Vehicle data acquisition simulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247989.1U CN203870408U (en) | 2014-05-14 | 2014-05-14 | Vehicle data acquisition simulation system |
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| CN203870408U true CN203870408U (en) | 2014-10-08 |
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| CN201420247989.1U Expired - Lifetime CN203870408U (en) | 2014-05-14 | 2014-05-14 | Vehicle data acquisition simulation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941595A (en) * | 2014-05-14 | 2014-07-23 | 芜湖伯特利电子控制系统有限公司 | Vehicle data acquisition simulation system and method |
| CN111385191A (en) * | 2018-12-28 | 2020-07-07 | 联合汽车电子有限公司 | Vehicle-mounted interconnected gateway, vehicle OTA upgrading system and method and computer storage medium |
-
2014
- 2014-05-14 CN CN201420247989.1U patent/CN203870408U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941595A (en) * | 2014-05-14 | 2014-07-23 | 芜湖伯特利电子控制系统有限公司 | Vehicle data acquisition simulation system and method |
| CN111385191A (en) * | 2018-12-28 | 2020-07-07 | 联合汽车电子有限公司 | Vehicle-mounted interconnected gateway, vehicle OTA upgrading system and method and computer storage medium |
| CN111385191B (en) * | 2018-12-28 | 2022-03-15 | 联合汽车电子有限公司 | Vehicle-mounted interconnection gateway, vehicle OTA upgrading system and method, and computer storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20141008 |