CN216718977U - Project switching device based on HIL rack - Google Patents
Project switching device based on HIL rack Download PDFInfo
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- CN216718977U CN216718977U CN202122676124.XU CN202122676124U CN216718977U CN 216718977 U CN216718977 U CN 216718977U CN 202122676124 U CN202122676124 U CN 202122676124U CN 216718977 U CN216718977 U CN 216718977U
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- 102000005591 NIMA-Interacting Peptidylprolyl Isomerase Human genes 0.000 claims description 3
- 108010059419 NIMA-Interacting Peptidylprolyl Isomerase Proteins 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
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Abstract
The utility model discloses an item switching device based on an HIL rack.A switching device is arranged between the HIL rack and a measured controller, a connector A of the HIL rack is fixedly connected with a connector C of the switching device, and the item switching is realized by changing a connector D of the switching device, a connector B of the measured controller and a matched middle wire harness; the switching device is a disconnection test box BOB or a switching board, and the disconnection test box BOB is used for leading the electric signal of the tested controller out to the HIL rack; the adapter plate is a signal adapter plate and is used for matching and connecting pins of the HIL rack with pins of the measured controller; the signal pins of connector a of the HIL rack are all mated to connector C of the adapter. The HIL rack is connected with the measured controller through a hardware connector, and under the condition that the HIL end of the connector is fixed, the rapid switching between items can be realized through the condition that an intermediate connecting wire harness is connected into a BOB or an adapter plate.
Description
Technical Field
The utility model relates to a Hardware-in-the-Loop (HIL) testing technology in the automobile industry, in particular to an HIL rack-based project switching device.
Background
With the rapid development of the new energy industry, the related projects are gradually increased, and the HIL test belongs to a verification link of the key of technical research and development. There are usually several parallel projects, which require direct project switching, and this requires the HIL test environment to have the capability of fast switching.
Currently, the mainstream switching mode is that one HIL is matched with a plurality of sets of connectors, namely, a hardware interface connected with a controller wire harness, but not all HIL racks are provided with a plurality of sets of hardware connectors. Taking ETAS HIL as an example, ETAS HIL is currently out of production, and the corresponding connector is also out of production, which requires fast switching of items in the same connector environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an item switching device based on an HIL rack, wherein the HIL rack is connected with a measured controller through a hardware connector, and under the condition that the HIL end of the connector is fixed, the quick switching between items can be realized under the condition that an intermediate connection wire harness is connected into a BOB or a switching board.
The technical solution for realizing the purpose of the utility model is as follows: the utility model provides an item auto-change over device based on HIL rack sets up switching device between HIL rack and the controller of being observed, and the connector A of HIL rack and switching device's connector C are fixed to be met, through the connector D of change switching device, the connector B of the controller of being observed and control and with supporting middle pencil realize the item and switch over.
Furthermore, the switching device is a disconnection test box BOB or a switching board, and the disconnection test box BOB is used for leading the electric signal of the tested controller out to the HIL rack; the adapter plate is a signal adapter plate and is used for matching and connecting pins of the HIL rack with pins of the measured controller.
Furthermore, the disconnection test box BOB or the adapter plate is manufactured according to the pin number and the current requirement of the project.
Further, the signal pins of the connector a of the HIL stand are all matched to the connector C of the adapter and are in a fixed configuration.
Furthermore, the type of the middle wiring harness corresponds to the pin types of the connected connector B and the connector D, and the two ends of the middle wiring harness are respectively connected with the matched connector pins, so that the hardware connection from the HIL rack to the switching device and then from the switching device to the measured controller is realized.
Furthermore, the hardware connectors A to D respectively comprise pin wiring harnesses, terminals and an external shell, and the types of the hardware connectors are determined according to the equipment types of the HIL rack.
Further, a PIN B-PIN1 of the measured controller, namely a PIN1 of a connector B is a digital input signal; A-PIN 1-A-PIN 10 of the HIL stand, namely PIN 1-PIN 10 of the connector A are digital output signals, and A-PIN10 is allocated to be connected with B-PIN 1; A-PIN10 of the HIL stand is connected to a connector C of the adapter device through a connector A, C-PIN10, namely PIN10 of the connector C, is connected with A-PIN10, a PIN matched with C-PIN10 in the interior of the adapter device is D-PIN10, namely PIN10 of the connector D, and a PIN B-PIN1 of the monitored controller is connected to D-PIN 10.
Compared with the prior art, the utility model has the following remarkable advantages: (1) the BOB or the adapter plate is connected between the HIL and the hardware environment of the measured controller, so that the rapid switching of items can be realized; (2) an alternative solution that can achieve the same objective in special situations is less costly than the way in which the switching connector is switched to achieve the switching project.
Drawings
Fig. 1 shows a main HIL bench item switching method.
FIG. 2 is a process used in the present invention.
Detailed Description
The utility model relates to an item switching device based on an HIL rack.A switching device is arranged between the HIL rack and a measured controller, a connector A of the HIL rack is fixedly connected with a connector C of the switching device, and the item switching is realized by changing a connector D of the switching device, a connector B of the measured controller and a matched middle wire harness.
Furthermore, the switching device is a disconnection test box BOB or a switching board, and the disconnection test box BOB is used for leading the electric signal of the tested controller out to the HIL rack; the adapter plate is a signal adapter plate and is used for matching and connecting pins of the HIL rack with pins of the measured controller.
Furthermore, the disconnection test box BOB or the adapter plate is manufactured according to the pin number and the current requirement of the project.
Further, the signal pins of the connector a of the HIL stand are all matched to the connector C of the adapter and are in a fixed configuration.
Furthermore, the type of the middle wiring harness corresponds to the pin types of the connected connector B and the connector D, and the two ends of the middle wiring harness are respectively connected with the matched connector pins, so that the hardware connection from the HIL rack to the switching device and then from the switching device to the measured controller is realized.
Furthermore, the hardware connectors A to D respectively comprise pin wiring harnesses, terminals and an external shell, and the types of the hardware connectors are determined according to the equipment types of the HIL rack.
Further, a PIN B-PIN1 of the measured controller, namely a PIN1 of a connector B is a digital input signal; A-PIN 1-A-PIN 10 of the HIL stand, namely PIN 1-PIN 10 of the connector A are digital output signals, and A-PIN10 is allocated to be connected with B-PIN 1; A-PIN10 of the HIL stand is connected to a connector C of the adapter device through a connector A, C-PIN10, namely PIN10 of the connector C, is connected with A-PIN10, a PIN matched with C-PIN10 in the interior of the adapter device is D-PIN10, namely PIN10 of the connector D, and a PIN B-PIN1 of the monitored controller is connected to D-PIN 10.
The utility model is described in further detail below with reference to the figures and the embodiments.
Examples
In the item switching device based on the HIL rack, a hardware connector is arranged between the HIL rack and a measured controller, and the HIL rack is connected with a BOB or a patch panel through an intermediate connection wire harness under the condition that the HIL termination connector is fixed. The connectors A and C are fixed, and the items of quick switching are achieved by changing the connectors B and the wiring harnesses between the BOB (or the adapter plate) connector D and the tested controller.
The BOB is a tie-down device that draws electrical signals to the test panel;
the keyset is signal keyset: the adapter plate is used for leading in and leading out signals so as to be convenient for connecting a test instrument or providing a signal source, and the function of the adapter plate is mainly that pins of the HIL end and pins of a tested controller are matched and connected through the adapter plate;
the BOB and the adapter plate are customized according to project requirements (pin number and current requirements), and only the connector at the end of the measured controller needs to be replaced after the BOB and the adapter plate are manufactured, so that the BOB and the adapter plate do not need to be arranged.
The middle wire harness selects the wire harness with the corresponding model according to the requirement of each pin, and two ends of the middle wire harness are respectively connected with the matched connector pins, so that the hardware environment connection from the HIL end to the BOB (or adapter plate) end and then to the measured controller end is realized.
For example: the tested controller B-PIN1 (PIN 1 of connector B in the figure) is a digital input signal, and a digital output signal PIN needs to be selected and matched with the HIL terminal PIN, so that the signal can be effectively controlled. A-PIN 1-A-PIN 10 of the HIL (PIN 1-PIN 10 of a connector A in the figure) are all digital output signals, an A-PIN10 is distributed and connected with the digital output signals, A-PIN10 of the HIL is connected to a BOB (or a patch panel) HIL termination plug-in C through the connector A, C-PIN10 (PIN 10 of the connector C in the figure) is connected with the A-PIN10, a PIN matched with the C-PIN10 in the BOB (or the patch panel) is D-PIN10 (PIN 10 of the connector D in the figure), so that the connector corresponding to the B-PIN1 is connected to the D-PIN10, and the matching of a group of signals is completed.
Description of hardware connectors: the hardware connector on the HIL test bench is made by convention, and consists of a pin wire harness, a terminal and an external shell and is used for connecting the HIL and a measured controller, and because of different HIL equipment, the brand and the model of the connector are different, for example, the EDAC of the Hypertac constant HIL of the ETAS HIL is the connector;
fig. 1 shows a switching manner of items of a main HIL rack by replacing a connector A, B and a wire harness between the HIL and a controller to be monitored. Fig. 2 shows a method used in this patent, in which connectors a and C are fixed, and the purpose of quickly switching items is achieved by changing the connector B and the wiring harness between the connector D of the BOB (or the interposer) and the controller under test.
1. Hardware switching environment
Step 1, referring to fig. 2 for the description of the manufacturing switching environment process, all signal pins of the connector a according to the HIL are matched into the connector C, and the part is fixedly configured and is not changed subsequently.
And 2, carrying out resource matching according to the hardware pin definition of the measured controller of the project, and manufacturing a mapping table of the connector B and the connector D.
And 3, manufacturing the connectors B and D and the matched wire harness according to the mapping table.
2. Software switching environment
Step 1, developing a software model according to project requirements.
And 2, configuring software resources and monitoring platform debugging and verification.
3. Item switching
And finishing the switching between the hardware environment and the software environment, starting the HIL and observing the running state of the project.
In the embodiment, a BOB or a patch panel is connected between the HIL and the hardware environment of the measured controller, so that the project can be switched quickly; an alternative solution that can achieve the same objective in special situations is less costly than the way in which the switching connector is switched to achieve the switching project.
Claims (7)
1. The utility model provides an item auto-change over device based on HIL rack which characterized in that sets up switching device between HIL rack and the controller of being observed and controlled, and the connector A of HIL rack and switching device's connector C are fixed to be met, through the connector D of change switching device, the connector B of the controller of being observed and controlled and with supporting middle pencil realize the item and switch over.
2. The HIL-rack-based item switching device according to claim 1, wherein the switching device is a disconnection test box BOB for leading out an electrical signal of the controller under test to the HIL rack or a switching board; the adapter plate is a signal adapter plate and is used for matching and connecting pins of the HIL rack with pins of the measured controller.
3. The HIL bench based item switching apparatus of claim 2, wherein the disconnection test box BOB or the interposer is fabricated according to the pin count and current requirements of the item.
4. The HIL stand-based item switching device of claim 3, wherein the connector a signal pins of the HIL stand are all mated to the connector C of the interface device and are in a fixed configuration.
5. The HIL rack-based item switching device as claimed in claim 4, wherein the type of the middle wire harness corresponds to the pin type of the connected connector B and connector D, and the matched connector pins are respectively connected to two ends of the middle wire harness to realize the hardware connection from the HIL rack to the switching device and then from the switching device to the monitored controller.
6. The HIL-based item switching apparatus according to claim 5, wherein the hardware connectors a to D are respectively composed of a pin harness, a terminal, and an external case, and a model of the hardware connector is determined according to a device type of the HIL stand.
7. The HIL stand-based item switching apparatus as claimed in claim 6, wherein PIN B-PIN1 of the controller under test, PIN1 of connector B, is a digital input signal; A-PIN 1-A-PIN 10 of the HIL stand, namely PIN 1-PIN 10 of the connector A are digital output signals, and A-PIN10 is allocated to be connected with B-PIN 1; A-PIN10 of the HIL stand is connected to a connector C of the adapter device through a connector A, C-PIN10, namely PIN10 of the connector C, is connected with A-PIN10, a PIN matched with C-PIN10 in the interior of the adapter device is D-PIN10, namely PIN10 of the connector D, and a PIN B-PIN1 of the monitored controller is connected to D-PIN 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021224681128 | 2021-10-14 | ||
| CN202122468112 | 2021-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718977U true CN216718977U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122676124.XU Active CN216718977U (en) | 2021-10-14 | 2021-11-02 | Project switching device based on HIL rack |
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| Country | Link |
|---|---|
| CN (1) | CN216718977U (en) |
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2021
- 2021-11-02 CN CN202122676124.XU patent/CN216718977U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220707 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: Room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Suzhou, Jiangsu 215558 Patentee before: Suzhou Zhengli core control Electronics Co.,Ltd. |