CN218547348U - Vehicle control unit testing arrangement - Google Patents
Vehicle control unit testing arrangement Download PDFInfo
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- CN218547348U CN218547348U CN202221881326.6U CN202221881326U CN218547348U CN 218547348 U CN218547348 U CN 218547348U CN 202221881326 U CN202221881326 U CN 202221881326U CN 218547348 U CN218547348 U CN 218547348U
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Abstract
The utility model relates to a vehicle control unit testing arrangement, include: the load unit comprises a carrier for bearing the vehicle control unit, a load box for providing input signals for the vehicle control unit, a relay control board for receiving the signals and a relay capable of realizing the on-off of a circuit of the vehicle control unit and the load box; the test unit comprises a test board and a transfer module which drives the test board to move towards the direction close to or away from the vehicle control unit, a test probe which can be connected with the vehicle control unit is arranged at the end part of the test board, and an output signal output by the vehicle control unit in response to an input signal is acquired through the test probe. The utility model discloses when needs test vehicle control unit, can external load signal generating device and signal pickup assembly automatically, save the test required time.
Description
Technical Field
The utility model relates to a vehicle control unit tests technical field among the new energy automobile, especially indicates a vehicle control unit testing arrangement.
Background
New energy vehicles become the current and future development trend of vehicles, and pure electric vehicles occupy a great proportion in new energy vehicles. The vehicle controller is used as a core component of a whole vehicle system of the new energy vehicle, and plays a key role in the functions of normal running, regenerated energy recovery, network management, fault diagnosis and treatment, vehicle state and monitoring and the like of the vehicle.
The existing vehicle control unit testing method comprises the following steps: the method comprises the steps that a vehicle control unit is externally connected with a load signal generating device and a signal collecting device respectively, a test signal is generated through the load signal generating device firstly, the test signal is sent to the vehicle control unit to be tested, an output signal output by the vehicle control unit in response to the test signal is collected through the signal collecting device, finally the load signal generating device and the signal collecting device are electrically connected to an upper control machine, the test signal and the output signal are generated through comparison in the upper control machine, and meanwhile, test parameters for generating the test signal can be configured and regulated in the upper control machine.
For the conventional vehicle control unit testing method, when the vehicle control units produced in batch are tested, the external load signal generating device and the external signal collecting device need to be repeatedly plugged and unplugged, and if the testing device cannot realize automatic testing, a large amount of manpower and working hours are input, so that the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in overcoming the problem that plug pencil caused time waste, efficiency of software testing to the whole vehicle controller test time among the prior art, matches current whole vehicle controller test method, provides a whole vehicle controller testing arrangement, when needs test to whole vehicle controller, can automatic external load signal generating device and signal acquisition device, has saved the test required time.
In order to solve the technical problem, the utility model provides a vehicle control unit testing arrangement, include:
the load unit comprises a carrier for bearing the vehicle control unit, a load box for providing input signals for the vehicle control unit, a relay control board for receiving the signals and a relay capable of realizing the on-off of a circuit of the vehicle control unit and the load box;
the test unit comprises a test board and a transfer module which drives the test board to move towards the direction close to or away from the vehicle control unit, a test probe which can be connected with the vehicle control unit is arranged at the end part of the test board, and an output signal output by the vehicle control unit in response to an input signal is acquired through the test probe.
In an embodiment of the present invention, the transfer module includes:
a drive source;
the test board is arranged on the sliding table;
and the guide post penetrates through the sliding table and is arranged in parallel with the sliding rail to limit the sliding direction of the sliding table.
The utility model discloses an embodiment still includes still include still be provided with the removal detection device on moving the bearing mould group, the removal detection device restriction the shift position of slip table.
The utility model discloses an in the embodiment, still include the upper computer control unit, the upper computer control unit is connected with load cell and grafting test unit electricity, upper computer control unit control load cell and vehicle control unit intercommunication provide input signal to vehicle control unit, upper computer control unit control grafting test unit and vehicle control unit intercommunication gather the output signal after vehicle control unit is corresponding, compare input signal and output signal and judge vehicle control unit's behavior.
The utility model discloses an in the embodiment, still include the parameter configuration unit, the parameter configuration unit with the upper computer control unit electricity is connected for the configuration test parameter.
The utility model discloses an embodiment still includes still be provided with the stopper on the microscope carrier, through the stopper restriction relative position and angle when vehicle control unit places on the microscope carrier.
The utility model discloses an embodiment, still include the test box, microscope carrier, load cell and grafting test unit all set up in the test box, when testing the whole vehicle control unit, the test box is in the confined state.
The utility model discloses an embodiment, still be provided with the identification element on the test box be provided with the code that contains vehicle control unit configuration parameter on the vehicle control unit, every vehicle control unit correspondence sets up unique code, the identification element can discern the code.
In an embodiment of the present invention, a display unit and a control unit are further disposed on the testing box.
In an embodiment of the present invention, a cooling device is further disposed in the testing box.
Compared with the prior art, the technical scheme of the utility model have following advantage:
vehicle control unit testing arrangement, match current vehicle control unit test method, set up load cell and grafting test unit respectively, when testing vehicle control unit, do not need the external pencil of manual plug, only need place vehicle control unit on appointed microscope carrier after, provide input signal through load cell and vehicle control unit electricity connection, be connected the output signal who gathers the corresponding back of vehicle control unit through grafting test unit and vehicle control unit, realize the automatic butt joint of external unit, thereby reduce vehicle control unit test required time, improve vehicle control unit efficiency of software testing.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of a plugging test unit of the testing device of the vehicle control unit according to the present invention;
fig. 2 is a schematic structural diagram of a load unit of the testing device for the vehicle control unit of the present invention;
fig. 3 is an external structural schematic diagram of the testing box of the present invention.
The specification reference numbers indicate: 1. a load unit; 11. a stage; 12. a load box; 13. a relay control panel; 14. a relay; 2. inserting a test unit; 21. a test board; 22. a drive source; 23. a sliding rail and a sliding table; 24. a guide post; 25. a movement detection device; 3. testing the box body; 31. a display unit; 32. a manipulation unit; 4. and an identification unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Example 1
As described above, the conventional test method of the vehicle control unit is that the external signal input device is used for simulating an input signal of the vehicle control unit during normal operation, then the external signal acquisition device acquires an output signal correspondingly acquired by the vehicle control unit under a load input by the signal input device, and compares the input signal with the output signal to acquire a working condition of the vehicle control unit, thereby judging whether the vehicle control unit is qualified; the connection with the signal input device and the signal acquisition device can be respectively realized by externally connecting the wire harnesses to a single vehicle controller in a manual mode, but for the vehicle controllers produced in batches, each vehicle controller needs to be tested before leaving a factory, and the manual wire harness plugging and unplugging mode is very slow, so that the whole production efficiency is influenced.
Based on above-mentioned demand, this embodiment provides a testing arrangement that can automatic plug external device, and it is shown with fig. 1 and fig. 2 to refer to, the utility model discloses mainly include two modules: the load unit 1 and the plugging test unit 2 need to provide a space for placing the vehicle control unit in order to test the vehicle control unit, and the load unit 1 in this embodiment is provided with a carrier 11 for carrying the vehicle control unit; after a vehicle control unit is placed on a carrier 11, after the placement position of the vehicle control unit relative to the carrier 11 is determined, the positions of signal input equipment and signal acquisition equipment externally connected with the vehicle control unit need to be determined according to the positions of an input interface and an output interface of the vehicle control unit, in this embodiment, a load box 12 is arranged in a load unit 1 as the signal input equipment, the load box 12 is arranged below the carrier 11, when the vehicle control unit is placed on the carrier 11, the input interface of the vehicle control unit is connected with a connector of the load box 12, but at this time, the vehicle control unit and the load box 12 are in a disconnected state, the load box 12 does not provide input signals for the vehicle control unit, the load unit 1 further comprises a relay control board 13 for realizing the on-off of a circuit relay 14 of the vehicle control unit and the load box 12 and a relay control board 13 for receiving signals to control the on-off of the relay 14, in this embodiment, the relay 14 is an electromagnetic relay, and the on-off of the relay control board 13 is controlled, so that the on-off of the circuit of the vehicle control unit and the load box 12 is realized; in this embodiment, the plugging test unit 2 is arranged on the side of the carrier 11 as a signal acquisition device, and includes a test board 21 and a transfer module for driving the test board to move toward or away from the vehicle controller, a test probe capable of being connected with the vehicle controller is arranged at an end of the test board 21, the transfer module drives the probe to move and insert into an output interface of the vehicle controller, and the test probe acquires an output signal output by the vehicle controller in response to an input signal;
as described above, when the vehicle control unit is tested, it is not necessary to manually plug and unplug an external wire harness, and only after the vehicle control unit is placed on the specified carrier 11, the relay control board 13 in the load unit 1 controls the power on and off of the relay 14, and the relay 14 is used as a switch for controlling the on and off of the vehicle control unit and the load box 12, when the load box 12 is communicated with the vehicle control unit, the load box 12 provides an input signal for the vehicle control unit, the transfer mechanism in the plug-in test unit 2 drives the test board 21 to move towards the vehicle control unit, and the test probe is communicated with an output interface of the vehicle control unit, and the test probe collects an output signal after the vehicle control unit is corresponding, and in this embodiment, the load unit 1 and the plug-in test unit 2 are arranged to realize the automatic docking of the external unit, so that the time required by the test of the vehicle control unit is reduced, and the test efficiency of the vehicle control unit is improved.
Specifically, in this embodiment, when the vehicle control unit is placed on the carrier 11, it is necessary that the input interface of the vehicle control unit can be communicated with the load box 12, and the output interface can correspond to the position of the test board 21, so as to ensure that the test pin can be inserted into the output interface of the vehicle control unit in the process of being driven by the transfer mechanism to move, so that the position and the angle of the vehicle control unit placed on the carrier 11 need to be controlled.
Specifically, the transfer module includes: a driving source 22, a slide rail and a slide table 23, and a guide post 24;
the driving source 22 includes, but is not limited to, an air cylinder, a linear motor, and a driving manner of a rack and pinion, as long as the driving source can provide the power required for moving the sliding table;
the driving source 22 drives the sliding table to reciprocate along the extending direction of the sliding rail, and the test board 21 is arranged on the sliding table and moves synchronously with the sliding table;
the guide post 24 wears to establish on the slip table, with slide rail parallel arrangement, through guide post 24 restriction the slip direction of slip table prevents the slip table direction skew when sliding, guarantees to survey test probe on board 21 and can be accurate insert vehicle control unit in.
Specifically, in this embodiment, not only the insertion position of the probe needs to be controlled, but also the insertion length of the probe needs to be controlled, that is, the moving distance of the slide table needs to be controlled, in this embodiment, if the slide table is driven by an air cylinder, the moving position of the slide table can be controlled by controlling the maximum stroke of the air cylinder, if the slide table is driven by a linear motor and a rack and pinion, a movement detection device 25 needs to be disposed on the transfer module, the movement detection device 25 limits the moving position of the slide table, the movement detection device 25 may be a mechanical limiting device, for example, a stop block fixedly disposed at two ends of the slide table, the moving position of the slide table is limited by the stop block, the movement detection device 25 may also be a sensing limiting device, for example, a photoelectric detection transmitter and a receiver are used to measure the moving distance of the slide table, and when the slide table moves to a preset moving distance, the driving source is controlled to stop, so that the slide table can move to a specified position.
In this embodiment, in order to realize the control to load unit 1 and grafting test unit 2, still set up the upper computer control unit, the upper computer control unit is connected with load unit 1 and grafting test unit 2 electricity, upper computer control unit control load unit 1 and vehicle control unit intercommunication provide input signal to vehicle control unit, upper computer control unit control grafting test unit 2 and vehicle control unit intercommunication, the output signal after the vehicle control unit is corresponding is gathered, compares input signal and output signal and judges vehicle control unit's behavior.
Specifically, when the vehicle control unit is tested, test parameters need to be continuously adjusted, on one hand, the adjustment parameters can test the control conditions of the vehicle control unit under different use conditions, and on the other hand, the corresponding adjustment speed of the vehicle control unit can also be tested, so that a parameter configuration unit is further arranged, the parameter configuration unit is electrically connected with the upper computer control unit, and the parameter configuration unit adjusts the input parameters of the load unit through the upper computer control unit, so as to configure the test parameters.
Example 2
Based on the above embodiment 1, when the whole vehicle controller is tested, since the load voltage input by the load unit 1 to the whole vehicle controller exceeds the safe voltage, and the plug-in test unit 2 is exposed in the air and is easily affected by the environment, the final test result may be affected, therefore, the present embodiment is further optimized and improved on the basis of the above embodiment 1:
referring to fig. 3, in this embodiment, the vehicle testing device further includes a testing box 3, the load unit 1 and the plugging testing unit 2 are both disposed in the testing box 3, and when the vehicle control unit is tested, the testing box 3 is in a closed state, so that it is ensured that the vehicle testing device is not affected by external environment during testing, and the testing safety is also improved.
Specifically, still be provided with human-computer interaction module on the test box 3, human-computer interaction module includes: the display unit 31 and the control unit 32 can monitor the test state and the test result in real time through the display unit 31, and the control unit 32 can realize the switching of the test device and the regulation and control of the test parameters.
Specifically, a cooling device is further arranged in the test box body 3, so that the test temperature in the test box body 3 is kept constant, the test safety is ensured on one hand, and the vehicle control unit is enabled to be in the best working performance on the other hand; according to actual setting requirements, the cooling device can adopt an air cooling assembly or a water cooling assembly.
Example 3
When the vehicle controllers produced in batch are tested, a problem still exists in that before testing, information such as the models and parameters of the vehicle controllers needs to be recorded into the testing device so as to record the test result in the testing device, and a manual recording mode is adopted, so that not only is time wasted, but also errors easily occur, and therefore, the embodiment is further optimized and improved on the basis of the embodiment 1:
in this embodiment, the vehicle control unit is further provided with an identification unit 4, codes containing vehicle control unit configuration parameters are arranged on the vehicle control unit, each vehicle control unit is correspondingly provided with a unique code, the identification unit 4 can identify the codes, parameter information of the vehicle control unit can be read after the identification unit 4 identifies the codes, the parameter information can be directly recorded and stored without manual input, and the identification unit 4 can be a scanning screen arranged at a fixed position of the test box body 3 and can also be a movable code scanning gun.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a vehicle control unit testing arrangement which characterized in that: the method comprises the following steps:
the load unit comprises a carrier for bearing the vehicle control unit, a load box for providing input signals for the vehicle control unit, a relay control board for receiving the signals and a relay capable of realizing the on-off of a circuit of the vehicle control unit and the load box;
the test unit comprises a test board and a transfer module which drives the test board to move towards the direction close to or away from the vehicle control unit, a test probe which can be connected with the vehicle control unit is arranged at the end part of the test board, and an output signal output by the vehicle control unit in response to an input signal is acquired through the test probe.
2. The vehicle control unit testing device according to claim 1, wherein: move and carry the module and include:
a drive source;
the test board is arranged on the sliding table;
the guide post penetrates through the sliding table and is arranged in parallel with the sliding rail to limit the sliding direction of the sliding table.
3. The vehicle control unit testing device according to claim 2, wherein: move and still be provided with the removal detection device on the module, remove detection device restriction the shift position of slip table.
4. The vehicle control unit testing device according to claim 1, wherein: still include host computer the control unit, host computer the control unit is connected with load cell and grafting test unit electricity, host computer the control unit control load cell and vehicle control unit intercommunication provide input signal to vehicle control unit, host computer the control unit control grafting test unit and vehicle control unit intercommunication gather the output signal after vehicle control unit is corresponding, compare input signal and output signal and judge vehicle control unit's behavior.
5. The vehicle control unit testing device according to claim 4, wherein: the device also comprises a parameter configuration unit which is electrically connected with the upper computer control unit and used for configuring the test parameters.
6. The vehicle control unit testing device according to claim 1, wherein: and the bearing platform is also provided with a limiting block, and the relative position and angle of the vehicle control unit when the vehicle control unit is placed on the bearing platform are limited by the limiting block.
7. The vehicle control unit testing device according to claim 1, wherein: the vehicle control unit testing device is characterized by further comprising a testing box body, wherein the load unit and the plug-in testing unit are arranged in the testing box body, and the testing box body is in a closed state when the vehicle control unit is tested.
8. The vehicle control unit testing device according to claim 7, wherein: the test box body is further provided with an identification unit, codes containing configuration parameters of the whole vehicle controller are arranged on the whole vehicle controller, each whole vehicle controller is correspondingly provided with a unique code, and the identification unit can identify the codes.
9. The vehicle control unit testing device according to claim 7, wherein: the test box body is also provided with a display unit and a control unit.
10. The vehicle control unit testing device according to claim 7, wherein: and a cooling device is also arranged in the test box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221881326.6U CN218547348U (en) | 2022-07-20 | 2022-07-20 | Vehicle control unit testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221881326.6U CN218547348U (en) | 2022-07-20 | 2022-07-20 | Vehicle control unit testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN218547348U true CN218547348U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221881326.6U Active CN218547348U (en) | 2022-07-20 | 2022-07-20 | Vehicle control unit testing arrangement |
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|---|---|
| CN (1) | CN218547348U (en) |
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2022
- 2022-07-20 CN CN202221881326.6U patent/CN218547348U/en active Active
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