CN205210674U - Hardware is at ring test system with universalization integrated circuit board - Google Patents
Hardware is at ring test system with universalization integrated circuit board Download PDFInfo
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- CN205210674U CN205210674U CN201520898572.6U CN201520898572U CN205210674U CN 205210674 U CN205210674 U CN 205210674U CN 201520898572 U CN201520898572 U CN 201520898572U CN 205210674 U CN205210674 U CN 205210674U
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Abstract
The utility model relates to a hardware is at ring test system with universalization integrated circuit board, its characterized in that: the host computer is connected with the next machine, and the next machine is connected with A integrated circuit board, B integrated circuit board, C integrated circuit board, the one end of A integrated circuit board and surveyed controller pin an and is connected, and the other end of A integrated circuit board passes through A integrated circuit board second switch to be connected with the controller of true load rack, and formation parallel connection mode, the control end and the next quick -witted headtotail of the first switch of A integrated circuit board, a integrated circuit board second switch are connected respectively with A integrated circuit board first switch both ends in the both ends of A integrated circuit board, surveyed the pin that has a test demand of controller and all take the above -mentioned connected mode and the corresponding part of true load rack to be connected, is surveyed the controller and do not confine singly individual controller to, can be for a plurality of controllers, it has solved current hardware in the integrated circuit board function singleness of ring test system, the wasting of resources, use with the inconvenient shortcoming of upgrading, can ensure with powerful for hardware provide the solid foundation in the wide application of ring test system.
Description
Technical field
The utility model relates to a kind of hardware-in―the-loop test system with universalization board, belongs to automotive field, hardware-in―the-loop test system.
Background technology
The shortcomings such as in automotive field functional test, hardware-in―the-loop test system has become a kind of trend, and will substitute traditional manual testing gradually, this system can realize automatic test, and it is long to overcome manual testing's cycle, analog controller input and output inconvenience.
But there is board function singleness in the hardware-in―the-loop test system being applied to now automotive field functional test, a kind of board can only simulate the input of a kind of signal, such as voltage signal board can only be simulated and measurement voltage signal, current signal board can only be simulated and be measured current signal, along with input and output diversified demand constantly increases, board can constantly increase, cause the wasting of resources, and in use, board identical with its signal type for the pin of tested controller must be connected, otherwise cannot simulate or measure the signal of this pin, so just greatly limit using and upgrading of hardware-in―the-loop test system.
Summary of the invention
The purpose of this utility model is to provide a kind of hardware-in―the-loop test system with universalization board, which solve the board function singleness of existing hardware in ring test system, the wasting of resources, use and inconvenient shortcoming of upgrading, solid foundation and strong guarantee can be provided for the widespread use of hardware-in―the-loop test system.
The technical solution of the utility model is achieved in that a kind of hardware-in―the-loop test system with universalization board, by host computer, slave computer, board, real load stand and tested controller composition, it is characterized in that: host computer is connected with slave computer, slave computer and A board, B board, C board connects, one end of A board is connected with tested controller pin a, the other end of A board is connected with the controller of real load stand by A board second switch, the two ends of A board are connected respectively with A board first switch ends, form parallel, A board first switch, the control end of A board second switch is connected with lower computer system, one end of B board is connected with tested controller pin b, the other end of B board is connected with the switch of real load stand by B board second switch, the two ends of B board are connected respectively with B board first switch ends, form parallel, the control end of B board first switch, B board second switch is connected with lower computer system, one end of C board is connected with tested controller pin c, the other end of C board is connected with the lamp of real load stand by C board second switch, the two ends of C board are connected respectively with C board first switch ends, form parallel, the control end of C board first switch, C board second switch is connected with lower computer system, the pin with testing requirement of tested controller all takes above-mentioned connected mode to be connected with the appropriate section of real load stand, and tested controller is not limited to single controller, can be multiple controller,
The inner structure of board: the end of voltage signal output module is connected with the pin 1-10-1 of channel selecting module, the end 2 of voltage signal output module is connected with the end 2 of voltage signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of voltage signal acquisition module is connected with the pin 1-10-2 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of current signal output module is connected with the pin 1-10-3 of channel selecting module, and the end 2 of current signal output module is connected with the end 2 of voltage signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of current signal collection module is connected with the pin 1-10-4 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of pwm signal output module is connected with the pin 1-10-5 of channel selecting module, and the end 2 of pwm signal output module is connected with the end 2 of pwm signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of pwm signal acquisition module is connected with the pin 1-10-6 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of bus signals output module is connected with the pin 1-10-7 of channel selecting module, and the end 2 of bus signals output module is connected with the end 2 of bus signals acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of bus signals acquisition module is connected with the pin 1-10-8 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The control end of channel selecting module is connected with the control signal wire of digital signal processing unit; The end 2 of voltage signal acquisition module, the end 2 of current signal collection module, the end 2 of pwm signal acquisition module, the end 2 of bus signals acquisition module link together.
Good effect of the present utility model adopts the hardware-in―the-loop test system with multifunctional universal board, when not increasing board quantity and not changing board position, working method (finger print analog signal or measuring-signal) and the test signal type (referring to voltage signal, current signal, pwm signal and bus signals) of board are set, complete functional test work, thus reduce costs and increase work efficiency.
Accompanying drawing explanation
Fig. 1 is hardware-in―the-loop test system architecture diagram.
Fig. 2 is the schematic diagram of board.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated: as shown in Figure 1, a kind of hardware-in―the-loop test system with universalization board, by host computer, slave computer, board, real load stand and tested controller composition, it is characterized in that: host computer 5 is connected with slave computer 4, slave computer 4 and A board 1, B board 2, C board 3 connects, one end of A board 1 is connected with tested controller pin a, the other end of A board 1 is connected with the controller of real load stand by A board second switch 1-2, the two ends of A board 1 are connected respectively with A board first switch 1-1 two ends, form parallel, A board first switch 1-1, the control end of A board second switch 1-2 is connected with lower computer system, one end of B board 2 is connected with tested controller pin b, the other end of B board 2 is connected with the switch of real load stand by B board second switch 2-2, the two ends of B board 2 are connected respectively with B board first switch 2-1 two ends, form parallel, the control end of B board first switch 2-1, B board second switch 2-2 is connected with lower computer system, one end of C board 3 is connected with tested controller pin c, the other end of C board 3 is connected with the lamp of real load stand by C board second switch 3-2, the two ends of C board 3 are connected respectively with C board first switch 3-1 two ends, form parallel, the control end of C board first switch 3-1, C board second switch 3-2 is connected with lower computer system, the pin with testing requirement of tested controller all takes above-mentioned connected mode to be connected with the appropriate section of real load stand, and tested controller is not limited to single controller, can be multiple controller.
The inner structure of board: the end 1 of voltage signal output module 1-5 is connected with the pin 1-10-1 of channel selecting module 1-10, the end 2 of voltage signal output module 1-5 is connected with the end 2 of voltage signal acquisition module 1-11, and control end is connected with the control signal wire of digital signal processing unit 1-9; The end 1 of voltage signal acquisition module 1-11 is connected with the pin 1-10-2 of channel selecting module 1-10, and data signal end is connected with the data signal line of digital signal processing unit 1-9; The end 1 of current signal output module 1-6 is connected with the pin 1-10-3 of channel selecting module 1-10, the end 2 of current signal output module 1-6 is connected with the end 2 of voltage signal acquisition module 1-11, and control end is connected with the control signal wire of digital signal processing unit 1-9; The end 1 of current signal collection module 1-12 is connected with the pin 1-10-4 of channel selecting module 1-10, and data signal end is connected with the data signal line of digital signal processing unit 1-9; The end 1 of pwm signal output module 1-7 is connected with the pin 1-10-5 of channel selecting module 1-10, and the end 2 of pwm signal output module 1-7 is connected with the end 2 of pwm signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit 1-9; The end 1 of pwm signal acquisition module 1-3 is connected with the pin 1-10-6 of channel selecting module 1-10, and data signal end is connected with the data signal line of digital signal processing unit 1-9; The end 1 of bus signals output module 1-8 is connected with the pin 1-10-7 of channel selecting module 1-10, and the end 2 of bus signals output module 1-8 is connected with the end 2 of bus signals acquisition module, and control end is connected with the control signal wire of digital signal processing unit 1-9; The end 1 of bus signals acquisition module 1-4 is connected with the pin 1-10-8 of channel selecting module 1-10, and data signal end is connected with the data signal line of digital signal processing unit 1-9; The control end of channel selecting module 1-10 is connected with the control signal wire of digital signal processing unit 1-9; The end 2 of the end 2 of voltage signal acquisition module 1-11, the end 2 of current signal collection module 1-12, pwm signal acquisition module 1-3, the end 2 of bus signals acquisition module 1-4 link together.
In fig. 2, voltage signal acquisition module 1-11 in board, current signal collection module 1-12, pwm signal acquisition module 1-3, bus signals acquisition module 1-4, voltage signal output module 1-5, current signal output module 1-6, pwm signal output module 1-7, bus signals output module 1-8 is connected with digital signal processing unit 1-9 respectively, wherein the voltage signal collected is transferred to digital signal processing unit 1-9 by voltage signal acquisition module 1-11, current signal collection module 1-12 by the current signal transfer that collects to digital signal processing unit 1-9, the pwm signal collected is transferred to digital signal processing unit 1-9 by pwm signal acquisition module 1-3, the pwm signal collected is transferred to digital signal processing unit 1-9 by bus signals acquisition module 1-4, thus realize voltage signal measurement, current signal is measured, pwm signal is measured, bus signals measurement function.Digital signal processing unit 1-9 is to the correlation parameter of voltage signal output module 1-5, current signal output module 1-6, pwm signal output module 1-7, bus signals output module 1-8 transmission corresponding analog signal, and to realize voltage signal simulation, current signal is simulated, pwm signal is simulated, bus signals analog functuion.
When tested controller pin a requires to connect real load stage controller, and during the bus signals requiring measurement real load stage controller corresponding, the A board 1 that real load stage controller is corresponding needs to be set to bus signals acquisition module 2-4, realizes bus signals measurement function; In addition, lower computer system needs to be set to A board first switch 1-1 disconnection and A board second switch 1-2 closes, and tested controller is connected successively with A board 1 and real load stand, and now, the effect of A board 1 is the coherent signal measuring real load.
When tested controller pin b requires to connect real load stand switch, and during the voltage signal requiring measurement real load stand Switch Controller to answer, the board 2 that real load stand Switch Controller is answered needs to be set to voltage signal acquisition module 2-1, realizes voltage signal measurement function; In addition, lower computer system needs to be set to B board first switch 2-1 disconnection and B board second switch 2-2 closes, and tested controller is connected successively with B board 2 and real load stand, and now, the effect of B board 2 is the coherent signals measuring real load.
When tested controller pin c requires to connect real load stand lamp, and when measuring pwm signal corresponding to real load stand lamp, the C board 3 that real load stand lamp is corresponding needs to be set to pwm signal acquisition module 2-3, realizes pwm signal measurement function; In addition, lower computer system needs to be set to C board first switch 3-1 disconnection and C board second switch 3-2 closes, and tested controller is connected successively with board 3 and real load stand, and now, the effect of C board 3 is the coherent signals measuring real load.
After setting up board corresponding to above-mentioned real load stage controller, switch and lamp, verify according to tested controller function: receive the bus signals of real load stage controller and switch is in closure state, tested controller performs the action of lamp flicker; Other situations, tested controller performs the action that lamp extinguishes.
Claims (1)
1. one kind has the hardware-in―the-loop test system of universalization board, by host computer, slave computer, board, real load stand and tested controller composition, it is characterized in that: host computer is connected with slave computer, slave computer and A board, B board, C board connects, one end of A board is connected with tested controller pin a, the other end of A board is connected with the controller of real load stand by A board second switch, the two ends of A board are connected respectively with A board first switch ends, form parallel, A board first switch, the control end of A board second switch is connected with lower computer system, one end of B board is connected with tested controller pin b, the other end of B board is connected with the switch of real load stand by B board second switch, the two ends of B board are connected respectively with B board first switch ends, form parallel, the control end of B board first switch, B board second switch is connected with lower computer system, one end of C board is connected with tested controller pin c, the other end of C board is connected with the lamp of real load stand by C board second switch, the two ends of C board are connected respectively with C board first switch ends, form parallel, the control end of C board first switch, C board second switch is connected with lower computer system, the pin with testing requirement of tested controller all takes above-mentioned connected mode to be connected with the appropriate section of real load stand, and tested controller is not limited to single controller, can be multiple controller,
The inner structure of board: the end of voltage signal output module is connected with the pin 1-10-1 of channel selecting module, the end 2 of voltage signal output module is connected with the end 2 of voltage signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of voltage signal acquisition module is connected with the pin 1-10-2 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of current signal output module is connected with the pin 1-10-3 of channel selecting module, and the end 2 of current signal output module is connected with the end 2 of voltage signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of current signal collection module is connected with the pin 1-10-4 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of pwm signal output module is connected with the pin 1-10-5 of channel selecting module, and the end 2 of pwm signal output module is connected with the end 2 of pwm signal acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of pwm signal acquisition module is connected with the pin 1-10-6 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The end 1 of bus signals output module is connected with the pin 1-10-7 of channel selecting module, and the end 2 of bus signals output module is connected with the end 2 of bus signals acquisition module, and control end is connected with the control signal wire of digital signal processing unit; The end 1 of bus signals acquisition module is connected with the pin 1-10-8 of channel selecting module, and data signal end is connected with the data signal line of digital signal processing unit; The control end of channel selecting module is connected with the control signal wire of digital signal processing unit; The end 2 of voltage signal acquisition module, the end 2 of current signal collection module, the end 2 of pwm signal acquisition module, the end 2 of bus signals acquisition module link together.
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| CN201520898572.6U CN205210674U (en) | 2015-11-12 | 2015-11-12 | Hardware is at ring test system with universalization integrated circuit board |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109240178A (en) * | 2018-11-12 | 2019-01-18 | 中车永济电机有限公司 | The functional cards of a variety of input/output signals |
| CN111913414A (en) * | 2020-05-26 | 2020-11-10 | 温州长江汽车电子有限公司 | Virtual electronic load based on MCU |
| CN112697455A (en) * | 2020-12-08 | 2021-04-23 | 上海纳恩汽车技术股份有限公司 | Automatic real vehicle testing system |
| CN113204225A (en) * | 2021-04-14 | 2021-08-03 | 一汽奔腾轿车有限公司 | Automobile load simulation device and test method |
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2015
- 2015-11-12 CN CN201520898572.6U patent/CN205210674U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109240178A (en) * | 2018-11-12 | 2019-01-18 | 中车永济电机有限公司 | The functional cards of a variety of input/output signals |
| CN109240178B (en) * | 2018-11-12 | 2021-04-23 | 中车永济电机有限公司 | Function board card for multiple input and output signals |
| CN111913414A (en) * | 2020-05-26 | 2020-11-10 | 温州长江汽车电子有限公司 | Virtual electronic load based on MCU |
| CN112697455A (en) * | 2020-12-08 | 2021-04-23 | 上海纳恩汽车技术股份有限公司 | Automatic real vehicle testing system |
| CN113204225A (en) * | 2021-04-14 | 2021-08-03 | 一汽奔腾轿车有限公司 | Automobile load simulation device and test method |
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