CN210075258U - CAN network test platform - Google Patents
CAN network test platform Download PDFInfo
- Publication number
- CN210075258U CN210075258U CN201920576457.5U CN201920576457U CN210075258U CN 210075258 U CN210075258 U CN 210075258U CN 201920576457 U CN201920576457 U CN 201920576457U CN 210075258 U CN210075258 U CN 210075258U
- Authority
- CN
- China
- Prior art keywords
- test
- host
- slave
- area
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a CAN network test platform, a plurality of test areas are divided on an operation platform; a switch and a sample support are arranged in each testing area, and the sample supports are used for installing a testing host machine or a testing slave machine; the test area consists of a slave area and a host area; the test bus is preset on the operation table, each slave area is provided with a slave connector for connecting a corresponding test slave, and each slave connector is connected with the test bus through a corresponding switch; and a host connector used for connecting the test host is arranged in each host area. The utility model discloses in, through the integration of a plurality of test areas and in each test area switch and from the presetting that connects of machine joint or host computer, can be convenient will test from the machine and test the host computer respectively through corresponding from the machine connect with the host computer connect integrated to the operation panel on, through the fixed wiring on the operation panel to guarantee test operation's stability and go on, guarantee the stability of test result and be convenient for reappear.
Description
Technical Field
The utility model relates to a new energy automobile battery management system technical field especially relates to a CAN network test platform.
Background
In a BMS (battery management system) CAN (Controller Area Network) communication test, the BMS includes a test master (CCU) for data acquisition and processing of the test slave and a test slave (BMU). A set of BMS CAN communication test CAN be carried out on the workstation. The number of the battery packs assembled on the passenger car is large, the number of the BMS slave machines is large, so that a plurality of samples are large when a plurality of BMS slave machine CAN communication tests are carried out, and wire harnesses are messy. And a test platform is not needed, a large test area is required to be occupied, and the test result is unstable.
According to the CAN communication testing method for the plurality of BMS slave machines, the BMS slave machines are distributed in a messy manner, the test arrangement occupies a large testing area, the wire harnesses are messy, and the debugging and the testing are not facilitated; meanwhile, due to the fact that a fixed test area is not available, test results are unstable and difficult to reproduce due to different test arrangements, and test effects are not ideal.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a CAN network test platform.
The utility model provides a pair of CAN network test platform, include: the test system comprises an operation table, a test device and a test system, wherein a plurality of test areas are divided on the operation table;
a switch and a sample support are arranged in each testing area, and the sample supports are used for installing a testing host machine or a testing slave machine; the test area consists of a slave area and a host area, wherein the slave area is used for installing a test slave, and the host area is used for installing a test host;
the test bus is preset on the operation table, each slave area is provided with a slave connector for connecting a corresponding test slave, and each slave connector is connected with the test bus through a corresponding switch; all the test slave machines arranged on the operation table are connected in parallel through a test bus;
a host connector for connecting the test host is arranged in each host region, and an external communication interface is arranged on the operating platform corresponding to each host region; each external communication interface is connected with a corresponding host connector and used for testing the communication between the host and external equipment;
the operating platform is also provided with a power module, an internal CAN interface, a charging communication interface, a first connecting end and a second connecting end; each host connector is connected with the power supply module through a corresponding switch;
the first connecting end is connected with the test bus in series, and the second connecting end is electrically connected with the first connecting end through a jumper wire or a connector; the second link is connected with inside CAN interface, and inside CAN interface and the communication interface that charges are equallyd divide and are connected each host computer and connect respectively.
Preferably, a terminal resistor interface is further arranged in each test area; in the slave area, the slave connector is connected with the test bus after being connected with the switch in series, and the terminal resistance interface is arranged on a signal line in a connecting wire bundle of the slave connector in parallel; in the host area, the termination resistor interface is disposed on the signal lines in the connection harness of the host connector.
Preferably, the second connection end is also connected with each host connector.
Preferably, the test area includes two host areas.
Preferably, the external communication interface adopts a CAN interface;
preferably, the charging communication interface also adopts a CAN interface.
Preferably, the power module comprises a battery module;
preferably, the power supply output end of the battery module is provided with a battery switch, and each host connector is connected with the battery switch and the battery module in series through the corresponding switch.
Preferably, the power supply module comprises a regulated power supply;
preferably, the power supply output end of the stabilized voltage power supply is provided with a power switch, and each host connector is connected with the power switch and the stabilized voltage power supply in series through the corresponding switch.
Preferably, each sample holder is slidably mounted within a corresponding test area;
preferably, each sample holder consists of two brackets, which are mounted to slide linearly in the corresponding test area.
Preferably, all cables on the console are arranged on the back side.
Preferably, the operating platform is provided with a wire harness hole corresponding to each test area;
preferably, the test areas on the operating platform are arranged in rows, and the wire harness holes corresponding to the test areas on the same row on the operating platform are communicated with each other to form a threading groove.
The utility model provides a pair of CAN network test platform, through the integration of a plurality of test areas and each test area interior switch and from the presetting that connects of machine joint or host computer, CAN be convenient will test from the machine and test the host computer respectively through the corresponding from the machine connect with the host computer connect integrated to the operation panel, the operation is convenient during the test, saves test time, and avoids constantly pulling out and inserting the damage test and follow machine or other parts.
And simultaneously, the utility model discloses in, through the fixed wiring on the operation panel, guaranteed that the wiring is pleasing to the eye and the standardization, be favorable to guaranteeing test environment's stability and can duplicate to guarantee that test work's stability goes on, guarantee the stability of test result and be convenient for reappear.
Drawings
Fig. 1 is a front view of a CAN network testing platform provided by the present invention;
FIG. 2 is a hardware schematic diagram of a CAN network test platform provided by the present invention;
fig. 3 is a hardware schematic diagram of the test platform of fig. 2 with the test slave and the test master installed.
The figure is as follows: the device comprises an operation table 1, a switch 2, a sample support 3, a test bus 4, an external communication interface 5, an internal CAN interface 6, a charging communication interface 7, a terminal resistor interface 8, a threading groove 9, a battery switch 10, a power switch 11 and a sliding track 12.
Detailed Description
Referring to fig. 1, the utility model provides a CAN network test platform, include: the operation panel 1 is provided with a plurality of test areas on the operation panel 1.
Each test area is provided with a switch 2 and a sample support 3, and the sample support 3 is used for installing a test host or a test slave. Specifically, in the present embodiment, the test master is a CCU (central control unit), and the test slave is a BMU (battery management module). In the embodiment, the sample support 3 is slidably mounted in the corresponding test area so as to facilitate the position adjustment of the test host and the test slave; specifically, each sample support 3 is composed of two brackets, and the brackets are linearly slidably mounted in corresponding test areas, so that the sample supports 3 are adjusted to adjust the support of the test master machine or the test slave machine through the relative sliding of the two brackets, the sample supports 3 are convenient to adapt to the test master machine and the test slave machine with different sizes, and the stable mounting of the test master machine and the test slave machine is ensured. Specifically, in the present embodiment, a sliding rail 12 is disposed in each testing area, and the sample holder 3 is slidably mounted on the sliding rail 12.
The test area consists of a slave area and a host area, wherein the slave area is used for installing the test slave, and the host area is used for installing the test host.
The test bus 4 is preset on the operation table 1, each slave area is provided with a slave connector for connecting a corresponding test slave, and each slave connector is connected with the test bus 4 through a corresponding switch 2. In this way, after the test slave is fixed by the corresponding sample holder 3, the test slave is mounted on the operation table by connecting the corresponding slave connector and the test slave, so that the test slaves mounted on the operation table 1 are connected in parallel by the test bus 4. In this way, the switch in the slave area can control the on-off of the electric signals between the test slave and the test bus 4, thereby controlling the on-off of the electric signals between the test slave and the operation table 1 and controlling the test state of the test slave.
Each host region is internally provided with a host connector for connecting a test host, and the operating platform 1 is provided with an external communication interface 5 corresponding to each host region. Each pair of external communication interfaces 5 is connected with a corresponding host connector, so that when the test host is installed in a corresponding host region through a corresponding sample support 3 and is connected with the host connector, the test host is connected with the external communication interfaces 5 and communicates with external equipment through the external communication interfaces. In specific implementation, the external communication interface 5 may adopt a CAN interface, so as to facilitate transmission of bus signals acquired by the test host.
The operation platform 1 is also provided with a power module, an internal CAN interface 6, a charging communication interface 7, a first connecting end and a second connecting end. And each host connector is connected with the power supply module through a corresponding switch. Therefore, the working state of the corresponding test host can be flexibly controlled through the switch in each host area.
The first connecting end is connected with the test bus in series, and the second connecting end is electrically connected with the first connecting end through a jumper wire or a connector. The second link is connected with inside CAN interface 6, and inside CAN interface 6 and the communication interface 7 that charges are all connected each host computer respectively and are connected. Therefore, after the test host is installed on the operating platform, the test host is respectively connected with the internal CAN interface 6 and the charging communication interface 7, so that the test host is respectively connected with the test slave through the test bus 4 to monitor the working data and the state of the test slave, and is connected with the CAN interface on the charging pile through the charging communication interface 7 to realize CAN communication between the test host and the charging pile.
Specifically, in this embodiment, the second connection end is further connected to each host connector, so as to implement mutual independence between the test host and the test slave for power supply and signal transmission, thereby ensuring high-quality transmission of the CAN signal between the test host and the test slave, and avoiding signal crosstalk.
In this embodiment, a terminal resistor interface 8 is further provided in each test area. In the slave area, the slave connector is connected with the test bus 4 after being connected with the switch 2 in series, and the terminal resistance interface 8 is arranged on a signal line in a connecting wire bundle of the slave connector in parallel; in the host area, the termination resistance interface 8 is arranged on the signal lines in the connection harness of the host connector. Therefore, resistors with any resistance value are connected in series to the testing hosts or the testing slaves through the terminal resistor interface 8, so that the signal intensity in the testing process can be adjusted, and the operating platform 1 can meet the testing requirements of different battery control systems. Meanwhile, the load pressure of the whole test bus can be debugged through the access resistor of the terminal resistor interface 8, so that the fault detection, the test operation and the problem point positioning are convenient
In this embodiment, all cables on the operation panel are all set up at the back to guarantee the succinct of operation panel 1 front, the test operation of being convenient for.
In this embodiment, the console is provided with a wire harness hole corresponding to each test area, so as to facilitate connection between each test slave and the slave connector and connection between the test host and the host connector. In the embodiment, the test areas on the operation table are arranged in rows, and the wire harness holes corresponding to the test areas on the same row on the operation table are communicated with each other to form the threading groove 9, so that the slave connectors and the master connector can be conveniently arranged.
The above operation table is further described below with reference to the embodiment shown in fig. 2.
In this embodiment, the test bus 4 is connected in parallel with a plurality of slave connectors, so that the test requirements of different numbers of test slaves are facilitated. Specifically, in the present embodiment, 20 slave areas and 2 master areas are provided, and as shown in fig. 1, BMUs 1-BMUs 20 are numbers of test slaves to be installed in each slave area, and CCUs 1 and CCUs 2 are numbers of test masters to be installed in the master area; referring to fig. 2, slave connectors corresponding to 20 slave areas are respectively slave connector 1-slave connector 20, and master connectors corresponding to 2 master areas are respectively master connector 1 and master connector 2. Referring to fig. 3, in this embodiment, test host CCU1 accesses the test platform to operate, and test host CCU2 disconnects from the test platform as a standby test host.
In this embodiment, the test area includes two host areas. The test of two host computer areas has both satisfied the nimble selection of different test host computer, has also made things convenient for the setting of reserve test host computer simultaneously, has improved the reliability of operation panel work.
In this embodiment, the power module includes a battery module. So, supply power through the battery module, be favorable to avoiding DC power supply's interference problem, improve the stability of CAN signal, keep unanimous with the actual arrangement of whole car. Meanwhile, in this embodiment, the power supply output end of the battery module is provided with the battery switch 2, and each host connector is connected in series with the battery switch 2 and the battery module through the corresponding switch 2. So, through battery switch 2, can nimble control battery module's access and disconnection, the power supply of convenient control operation panel.
In this embodiment, the power module further includes a regulated power supply. The arrangement of the voltage-stabilized power supply is beneficial to enriching the power supply mode of the operation table, and the power consumption problem of the multi-slave power supply can be actually checked. Specifically, the power supply output end of the stabilized voltage power supply is provided with a power switch 2, and each host connector is connected with the power switch 2 and the stabilized voltage power supply in series through the corresponding switch 2 so as to control the connection and disconnection of the stabilized voltage power supply through the power switch 2.
The above description is only the specific implementation of the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (12)
1. A CAN network test platform, comprising: the test device comprises an operating table (1), wherein a plurality of test areas are divided on the operating table (1);
each testing area is internally provided with a switch (2) and a sample support (3), and the sample support (3) is used for installing a testing host machine or a testing slave machine; the test area consists of a slave area and a host area, wherein the slave area is used for installing a test slave, and the host area is used for installing a test host;
the test bus (4) is preset on the operating platform (1), each slave area is provided with a slave connector for connecting a corresponding test slave, and each slave connector is connected with the test bus (4) through a corresponding switch (2); all the test slave machines arranged on the operating platform (1) are connected in parallel through a test bus (4);
a host connector for connecting a test host is arranged in each host region, and an external communication interface (5) is arranged on the operation table (1) corresponding to each host region; each external communication interface (5) is connected with a corresponding host connector and is used for testing the communication between the host and external equipment;
the operating platform (1) is also provided with a power module, an internal CAN interface (6), a charging communication interface (7), a first connecting end and a second connecting end; each host connector is connected with the power supply module through a corresponding switch;
the first connecting end is connected with the test bus in series, and the second connecting end is electrically connected with the first connecting end through a jumper wire or a connector; the second connecting end is connected with an internal CAN interface (6), and the internal CAN interface (6) and the charging communication interface (7) are respectively connected with each host connector.
2. The CAN network test platform of claim 1, further comprising a termination resistance interface (8) in each test area; in the slave area, a slave connector is connected with a test bus (4) after being connected with a switch (2) in series, and a terminal resistance interface (8) is connected with the slave connector and arranged in parallel with a CAN signal line connected with the slave connector; in the host area, a terminal resistor interface (8) is connected with a host connector and is arranged in parallel with a CAN signal line connected with the host connector.
3. The CAN network test platform of claim 1, wherein the second connection terminal is further connected to each of the host connectors.
4. The CAN network test platform of claim 1, wherein the test area comprises two host areas.
5. The CAN network test platform of claim 1, wherein the external communication interface (5) is a CAN interface; the charging communication interface also adopts a CAN interface.
6. The CAN network test platform of claim 1, wherein the power module comprises a battery module;
the power supply output end of the battery module is provided with a battery switch, and each host connector is connected with the battery switch (2) and the battery module in series through the corresponding switch (2).
7. The CAN network test platform of claim 1 or 6, wherein the power module comprises a regulated power supply;
the power supply output end of the stabilized voltage power supply is provided with a power switch (2), and each host connector is connected with the power switch (2) and the stabilized voltage power supply in series through the corresponding switch (2).
8. The CAN network test platform of claim 1, wherein each sample holder (3) is slidably mounted in a corresponding test area.
9. The CAN network test platform of claim 8, wherein each sample holder (3) consists of two brackets, which are mounted to slide linearly in the corresponding test area.
10. The CAN network test platform of claim 1, wherein all cables on the console are disposed on the back side.
11. The CAN network test platform of claim 10, wherein a harness hole is provided on the console for each test area.
12. The CAN network test platform of claim 11, wherein the test areas on the console are arranged in rows, and the corresponding wire harness holes of the test areas on the same row on the console are communicated with each other to form a threading slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576457.5U CN210075258U (en) | 2019-04-25 | 2019-04-25 | CAN network test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576457.5U CN210075258U (en) | 2019-04-25 | 2019-04-25 | CAN network test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210075258U true CN210075258U (en) | 2020-02-14 |
Family
ID=69448922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920576457.5U Active CN210075258U (en) | 2019-04-25 | 2019-04-25 | CAN network test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210075258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983999A (en) * | 2020-09-08 | 2020-11-24 | 上海星融汽车科技有限公司 | Central ECU development test system |
-
2019
- 2019-04-25 CN CN201920576457.5U patent/CN210075258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983999A (en) * | 2020-09-08 | 2020-11-24 | 上海星融汽车科技有限公司 | Central ECU development test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110855515A (en) | Vehicle-mounted CAN network test auxiliary device | |
| CN210038539U (en) | Hardware-in-loop test system capable of adapting to multiple controllers | |
| CN210075258U (en) | CAN network test platform | |
| CN111645617B (en) | Wire harness diagnosis system for three electric systems of electric automobile and electric automobile | |
| CN205862221U (en) | A kind of electric automobile fault diagnosis system based on CAN protocol and failure diagnostic apparatus | |
| CN109470961B (en) | Universal detection station for quality of power equipment based on modular design | |
| CN213403042U (en) | Universal network hardware-in-loop test system | |
| US20030193784A1 (en) | Modular automation device | |
| CN207992354U (en) | Signal distribution equipment for integrated avionic system integrated verification | |
| CN109686201A (en) | A kind of practice-training teaching power battery of pure electric automobile management system | |
| CN201796248U (en) | Universal serial bus (USB)-controller area network (CAN) communication module based on microcontroller | |
| CN108255160A (en) | The automobile bus communication wire selection system and method for a kind of 38PIN interfaces | |
| CN113501011A (en) | Modularized wiring structure of cab console and wiring method thereof | |
| CN210270612U (en) | Terminal box for network diagnosis test of automobile controller | |
| DE102015204301A1 (en) | A test setup and emulation unit for a cell management controller of a battery module for use in a test setup for testing a battery management controller | |
| CN218886002U (en) | Battery management system testing device and testing system | |
| CN205091614U (en) | Engine signal pickup assembly | |
| CN113204197B (en) | Microsatellite CAN bus testing device with anti-interference function and application method | |
| CN217957107U (en) | On-site equipment monitoring device and system | |
| DE102019004206A1 (en) | Charging system for an electrically operated vehicle | |
| CN219979128U (en) | Test equipment | |
| CN213937880U (en) | Receiving signal and power supply circuit based on Ethernet port and case | |
| CN218732100U (en) | Modular feeder line inserting frame and feeder line cabinet | |
| CN215418876U (en) | Split type double-port rechargeable USB concentrator | |
| CN219676484U (en) | Multifunctional fault simulation test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |