CN209980092U - Portable real-time testing arrangement of BCM based on cRIO - Google Patents
Portable real-time testing arrangement of BCM based on cRIO Download PDFInfo
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- CN209980092U CN209980092U CN201920124177.0U CN201920124177U CN209980092U CN 209980092 U CN209980092 U CN 209980092U CN 201920124177 U CN201920124177 U CN 201920124177U CN 209980092 U CN209980092 U CN 209980092U
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Abstract
The utility model provides a BCM portable real-time testing device based on cRIO, which comprises a cRIO controller, a functional module, a wiring terminal and a power supply source for supplying power; the cRIO controller is connected with an upper computer through a communication line; the functional module comprises a CAN signal module and a LIN signal module, the cRIO controller, the functional module, the wiring terminal and the BCM to be tested are sequentially connected, and the cRIO controller is communicated with the BCM to be tested through the CAN signal module and the LIN signal module. The portable BCM real-time testing device based on the cRIO is miniaturized and easy to carry; corresponding test function modules can be adopted in the cRIO controller system according to different test requirements.
Description
Technical Field
The invention belongs to the field of automobile electronic testing, and particularly relates to a BCM portable real-time testing device based on cRIO.
Background
With the rapid development of electronic technology, more and more Electronic Control Units (ECUs) are used in automobiles. The wide application of network technology in automobiles makes the software function of the ECU more and more complex and the connection between the controllers more and more compact. The comprehensive test of the ECU on the automobile is particularly important, especially under the fault condition and the limit condition. Conventional test benches have been unable to meet the needs of such large-scale systematic testing.
The main functional tests are currently done on HIL stands in laboratories, which do not need to be done on real cars or prototypes, by performing a lot of tests on new electronic control units and software in a virtual environment. The test method is systematic and safe, and does not cause any damage even if limit conditions are exceeded during testing. However, there is a certain limitation to the test site, and particularly, when the real vehicle is connected with a real load for testing, the controller or the load cannot be immediately judged, so that a portable real-time test system needs to be carried to perform function verification at any time during the test process.
Disclosure of Invention
In view of this, the present invention provides a cRIO-based BCM portable real-time testing apparatus, so as to solve the problem that the existing vehicle body controller testing device is complex in design structure and inconvenient to carry.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a portable BCM real-time testing device based on a cRIO comprises a cRIO controller, a functional module, a wiring terminal and a power supply source for supplying power;
the cRIO controller is connected with an upper computer through a communication line;
the functional module comprises a CAN signal module and a LIN signal module;
the cRIO controller, the function module, the wiring terminal and the tested BCM are sequentially connected, and the cRIO controller is communicated with the tested BCM through the CAN signal module and the LIN signal module.
The BCM circuit further comprises a relay board card, wherein the relay board card is used for controlling the closing of the BCM working circuit;
the functional module also comprises a digital signal output module, and the control end of the relay board card is connected with the digital signal output module;
the cRIO controller controls the work of the BCM by controlling the relay board card.
Further, the power supply comprises a 12V direct current power supply and a 24V direct current power supply, and is used for providing different working voltages for different BCMs;
each power supply is correspondingly provided with a relay board card, each relay board card is correspondingly provided with a digital signal output module, and the wiring terminal is also provided with a corresponding connecting position.
Furthermore, the functional module further comprises a digital signal input module, an analog signal output module and a memory module.
Furthermore, the upper computer is a computer, and the cRIO controller is connected with the computer through a gigabit Ethernet port.
Furthermore, the cRIO controller, the functional module, the wiring terminal, the relay board card and the power supply are all arranged on the light aluminum plate;
the aluminum plate is installed in the box, the box corresponds and is equipped with the support, the support mounting has the gyro wheel.
Furthermore, the support comprises a support frame body and blocking frames arranged on two sides above the support frame body, and a placing space is formed between the two blocking frames and used for placing the box body;
the inner side of the baffle frame is also welded with a limiting strip, and two sides of the box body are provided with limiting grooves corresponding to the limiting strip.
Furthermore, one end of the support is upwards tilted to form a handle part, one end of the limiting strip, which is close to the handle part, is provided with a fixed baffle, one end of the baffle frame, which is far away from the handle part, is provided with a baffle rod, two ends of the baffle rod are provided with vertical rods, the middle position of each vertical rod is connected with the support body through a rotating shaft, the rollers are arranged on the outer sides of the bottoms of the vertical rods, and the vertical rods rotate through the rotating shafts;
the support legs are arranged below the support body and are arranged at one ends far away from the rollers;
an extension rod is transversely arranged in the middle of the vertical rod and is arranged on one side of the vertical rod, which is far away from the handle part, and the end parts of the extension rods are connected through a connecting rod;
the support is characterized in that the support body is provided with a spring pin, the extension rod is provided with a corresponding pin hole, the extension rod is fixed through the spring pin, and the pin hole is also formed in the position, close to the stop lever, above the vertical rod.
Compared with the prior art, the portable BCM real-time testing device based on the cRIO has the following advantages:
the portable BCM real-time testing device based on the cRIO is miniaturized and easy to carry; corresponding test function modules can be adopted in the cRIO controller system according to different test requirements; the test system can be used for testing by using a programmed test logic in an off-line state without depending on an upper computer, has a test data storage function and is used for analyzing process data in the future.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic block diagram of a BCM portable real-time testing device based on cRIO according to an embodiment of the present invention;
FIG. 2 is a block diagram illustrating the installation of a cRIO-based BCM portable real-time testing device according to an embodiment of the present invention;
fig. 3 is a structural view of a bracket according to an embodiment of the present invention.
Description of reference numerals:
1. a support; 2. a blocking frame; 3. a limiting strip; 4. fixing a baffle plate; 5. a handle portion; 6. a stop lever; 7. A vertical rod; 8. a roller; 9. an extension pole; 10. a connecting rod; 11. a spring pin; 12. a support leg; 13. a pin hole; 14. a cRIO controller; 15. a functional module; 16. a wiring terminal; 17. relay board card installation position.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1, a BCM portable real-time testing device based on a cRIO includes a cRIO controller 14, a function module 15, a connection terminal 16, and a power supply for supplying power;
the cRIO controller 14 is connected with an upper computer through a communication line;
the functional module 15 comprises a CAN signal module and a LIN signal module;
the cRIO controller 14, the functional module 15, the wiring terminal 16 and the BCM to be tested are sequentially connected, and the cRIO controller 14 is communicated with the BCM to be tested through the CAN signal module and the LIN signal module.
The power supply is used for supplying power for the cRIO controller 14 and the functional module 15 and controlling the work of the BCM, the relay board card is added in the scheme, the relay board card is connected on the BCM working circuit in series, and the cRIO controller 14 controls the work of the relay board card through the digital output module and further controls the work of the BCM. The cRIO controller 14 outputs 3.3V voltage through the DO module, realizes the function of controlling large current through a relay board card, and controls 12V or 24V direct current through 3.3V voltage.
The power supply end of the power supply can be connected with a vehicle-mounted battery of the automobile, and power is supplied through the vehicle-mounted battery.
The BCM circuit board is used for controlling the BCM working circuit to be closed; the functional module 15 further comprises a digital signal output module, and the control end of the relay board card is connected with the digital signal output module; the cRIO controller 14 controls the work of the BCM by controlling the relay board card.
It should be noted here that the terminal 16 and the relay board are both conventional components, and the terminal 16 and the relay are a phoenix terminal.
Because the BCM supply voltage of different cars is different, some adopt 12V power supplies, some adopt 24V power supplies, flexibility and practicality have been considered in this scheme, have added two DC power supply, can deal with the BCM of different models.
The power supply comprises a 12V direct current power supply and a 24V direct current power supply and is used for providing different working voltages for different BCMs;
each power supply correspondingly sets a relay board card, each relay board card correspondingly sets a digital signal output module, and the wiring terminal 16 is also provided with a corresponding connecting position.
The functional module 15 further includes a digital signal input module, an analog signal output module, and a memory module.
As shown in fig. 2, the host computer is a computer, and the cRIO controller 14 is connected to the computer through a gigabit ethernet port. The cRIO controller 14, the functional module 15, the wiring terminal 16, the relay board card and the power supply are all arranged on a light aluminum plate, and a relay board card mounting position 17 for mounting the relay board card is arranged on the light aluminum plate;
aluminum plate installs in the box, the box correspondence is equipped with support 1, support 1 installs gyro wheel 8.
As shown in fig. 3, the support 1 comprises a support frame body and blocking frames 2 arranged on two sides above the support frame body, and a placing space is formed between the two blocking frames 2 and used for placing the box body;
the inner side of the baffle frame 2 is also welded with a limiting strip 3, and two sides of the box body are provided with limiting grooves corresponding to the limiting strips 3. The box can be installed with support 1 cooperation, conveniently carries and removes through support 1.
One end of the support 1 is tilted upwards to form a handle part 5, one end of the limiting strip 3, which is close to the handle part 5, is provided with a fixed baffle 4, one end of the baffle frame 2, which is far away from the handle part 5, is provided with a baffle rod 6, two ends of the baffle rod 6 are provided with vertical rods 7, the middle positions of the vertical rods 7 are connected with the support 1 body through a rotating shaft, the idler wheels 8 are arranged on the outer sides of the bottoms of the vertical rods 7, and the vertical rods 7 rotate through the rotating shaft;
a supporting leg 12 is further arranged below the body of the support 1, and the supporting leg 12 is arranged at one end far away from the roller 8;
an extension rod 9 is transversely arranged in the middle of the vertical rod 7, the extension rod 9 is arranged on one side, away from the handle part 5, of the vertical rod 7, and the end parts of the extension rods 9 are connected through a connecting rod 10;
the support is characterized in that a spring pin 11 is arranged on the body of the support 1, a corresponding pin hole 13 is formed in the extension rod 9, the extension rod 9 is fixed through the spring pin 11, and a pin hole 13 is also formed in the position, close to the stop rod 6, above the vertical rod 7.
The vertical rod 7 and the extension rod 9 form a rotatable rotating mechanism through a rotating shaft, when the box body needs to be moved through the support 1, one end of the roller 8 is arranged below the support 1 body, pulling is more convenient, the extension rod 9 is fixed through a spring, and the stop rod 6 and the fixed baffle 4 can limit the box body to move; when needs use testing arrangement, spring pin 11 is extracted to the inboard, make spring pin 11 break away from with extension rod 9, then rotate pin 6 and make montant 7 become the level, penetrate the pinhole 13 on the montant 7 through spring pin 11 in, because gyro wheel 8 and montant 7 set up the side at support 1 body, so do not influence whole rotation process, after rotating, connecting rod 10 sets up the below at support 1 body, it is more stable to support, pin 6 stops in the position of original connecting rod 10, this is that pin 6 does not influence taking out of box, and gyro wheel 8 sets up the both sides at support 1 body, make whole support 1 place more stably.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a portable real-time test device of BCM based on cRIO which characterized in that: the system comprises a cRIO controller, a functional module, a wiring terminal and a power supply for supplying power;
the cRIO controller is connected with an upper computer through a communication line;
the functional module comprises a CAN signal module and a LIN signal module;
the cRIO controller, the function module, the wiring terminal and the tested BCM are sequentially connected, and the cRIO controller is communicated with the tested BCM through the CAN signal module and the LIN signal module.
2. The cRIO-based BCM portable real-time testing device according to claim 1, wherein: the BCM circuit board is used for controlling the BCM working circuit to be closed;
the functional module also comprises a digital signal output module, and the control end of the relay board card is connected with the digital signal output module;
the cRIO controller controls the work of the BCM by controlling the relay board card.
3. The cRIO-based BCM portable real-time testing device according to claim 2, wherein: the power supply comprises a 12V direct current power supply and a 24V direct current power supply and is used for providing different working voltages for different BCMs;
each power supply is correspondingly provided with a relay board card, each relay board card is correspondingly provided with a digital signal output module, and the wiring terminal is also provided with a corresponding connecting position.
4. The portable, real-time, cRIO-based BCM testing apparatus according to any one of claims 1-3, wherein: the function module also comprises a digital signal input module, an analog signal output module and a memory module.
5. The cRIO-based BCM portable real-time testing device according to claim 1, wherein: the upper computer is a computer, and the cRIO controller is connected with the computer through a gigabit Ethernet port.
6. The cRIO-based BCM portable real-time testing device according to claim 2, wherein: the cRIO controller, the functional module, the wiring terminal, the relay board card and the power supply are all arranged on the light aluminum plate;
the aluminum plate is installed in the box, the box is correspondingly provided with a support (1), and the support (1) is provided with a roller (8).
7. The cRIO-based BCM portable real-time testing device according to claim 6, wherein: the support (1) comprises a support frame body and baffle frames (2) arranged on two sides above the support frame body, and a placing space is formed between the two baffle frames (2) and used for placing the box body;
spacing strips (3) are further welded on the inner sides of the blocking frames (2), and spacing grooves corresponding to the spacing strips (3) are formed in the two sides of the box body.
8. The cRIO-based BCM portable real-time testing device according to claim 7, wherein: one end of the support (1) is upwards tilted to form a handle part (5), one end, close to the handle part (5), of the limiting strip (3) is provided with a fixed baffle (4), one end, far away from the handle part (5), of the baffle frame (2) is provided with a baffle rod (6), two ends of the baffle rod (6) are provided with vertical rods (7), the middle position of each vertical rod (7) is connected with the support (1) body through a rotating shaft, the idler wheels (8) are arranged on the outer side of the bottom of each vertical rod (7), and the vertical rods (7) rotate through the rotating shafts;
a supporting leg (12) is further arranged below the support (1) body, and the supporting leg (12) is arranged at one end far away from the roller (8);
an extension rod (9) is transversely arranged in the middle of the vertical rod (7), the extension rod (9) is arranged on one side, away from the handle part (5), of the vertical rod (7), and the end parts of the extension rods (9) are connected through a connecting rod (10);
be equipped with spring catch (11) on support (1) body, be equipped with corresponding pinhole (13) on extension rod (9), it is fixed with extension rod (9) through spring catch (11), the position that the top of montant (7) is close to pin (6) also is equipped with pinhole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124177.0U CN209980092U (en) | 2019-01-24 | 2019-01-24 | Portable real-time testing arrangement of BCM based on cRIO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124177.0U CN209980092U (en) | 2019-01-24 | 2019-01-24 | Portable real-time testing arrangement of BCM based on cRIO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980092U true CN209980092U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920124177.0U Expired - Fee Related CN209980092U (en) | 2019-01-24 | 2019-01-24 | Portable real-time testing arrangement of BCM based on cRIO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209980092U (en) |
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2019
- 2019-01-24 CN CN201920124177.0U patent/CN209980092U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210124 |