CN217821347U - Diagnostic test device and system - Google Patents
Diagnostic test device and system Download PDFInfo
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- CN217821347U CN217821347U CN202222178244.1U CN202222178244U CN217821347U CN 217821347 U CN217821347 U CN 217821347U CN 202222178244 U CN202222178244 U CN 202222178244U CN 217821347 U CN217821347 U CN 217821347U
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Abstract
The application discloses a diagnosis testing device and a system, which relate to the technical field of new energy automobile detection and comprise a main driving unit, an auxiliary driving unit, an output unit, a main control unit and a switch unit, wherein the main driving unit is respectively electrically connected with the main control unit and the output unit, and the main control unit, the auxiliary driving unit and the output unit are sequentially electrically connected; the master control unit receives an instruction set sent by an upper computer, and controls the level change of the switch unit according to the instruction set, the auxiliary drive unit switches the connection channel with the output unit according to the level change of the switch unit, the output unit is used for connecting various types of automobiles, the electronic switch is selected to switch the communication channel through the improvement of the structure, and the output interface of the CAN buses in different automobiles CAN be compatible so as to meet the test requirements of various types of automobiles.
Description
Technical Field
The application relates to the technical field of new energy automobile diagnosis, in particular to a diagnosis testing device and system.
Background
The conventional On Board Diagnostics (OBD) diagnostic device for a vehicle generally has only one CAN bus for vehicle function diagnosis. With the development of the era, new energy automobiles emerge endlessly, and the automobile diagnosis industry develops vigorously, so that automobile agents or repair shops produce a plurality of test interfaces, and the test physical interfaces produced by different repair shops or automobile agents are different, so that the test requirements of different types of automobiles cannot be compatible in practical application.
SUMMERY OF THE UTILITY MODEL
The present application provides a diagnostic testing apparatus and a system thereof, which are intended to solve the above-mentioned technical problems.
The application provides a diagnostic test device, which is improved in that the diagnostic test device comprises a main drive unit, an auxiliary drive unit, an output unit, a main control unit and a switch unit, wherein the main drive unit is respectively electrically connected with the main control unit and the output unit, and the main control unit, the auxiliary drive unit and the output unit are sequentially electrically connected;
the main control unit receives an instruction set sent by an upper computer, controls the level change of the switch unit according to the instruction set, the auxiliary drive unit switches a connecting channel with the output unit according to the level change of the switch unit, and the output unit is used for connecting various types of automobiles.
As an improvement of the above technical solution, the sub-driving unit includes a first driving subunit and a second driving subunit, the first driving subunit and the second driving subunit have the same structure, and both the first driving subunit and the second driving subunit are electrically connected to the switching unit.
As a further improvement of the above technical solution, the connection channel includes a first communication channel and a second communication channel, the first driving subunit is connected to the output unit through the first communication channel, and the second driving subunit is connected to the output unit through the second communication channel;
the first driving subunit opens and closes the first communication channel according to the level change of the switch unit;
the second driving subunit opens and closes the second communication channel according to the level change of the switch unit.
As a further improvement of the technical scheme, the system further comprises a Bluetooth unit which is used for being connected with the upper computer, and the upper computer sends an instruction set to the main control unit according to a wireless communication link of the Bluetooth unit.
As a further improvement of the above technical solution, the upper computer includes any one of a mobile terminal electronic device including a mobile phone, a computer, and a tablet.
As a further improvement of the above technical solution, the power supply device further includes a power supply unit for supplying power.
As a further improvement of the above technical solution, the power supply further includes an equalizing unit for stably equalizing the voltage provided by the power supply unit.
The present application further provides a diagnostic test system comprising a diagnostic test device as described in any of the above.
The beneficial effect of this application does: this application is through the improvement to the structure, selects to use electronic switch to carry out CAN bus and switches communication channel, CAN compatible different inside CAN bus's of car output interface to satisfy the test demand of multiple type car.
Drawings
Fig. 1 is a schematic diagram of an overall structural framework of a diagnostic testing apparatus according to an embodiment of the present application.
Fig. 2 is a partial structural framework diagram of a diagnostic testing apparatus according to an embodiment of the present application.
Fig. 3 is a schematic circuit diagram of a switch unit of a diagnostic test apparatus according to an embodiment of the present application.
Fig. 4 is a schematic circuit diagram of a general driving unit of a diagnostic test apparatus according to an embodiment of the present application.
Fig. 5 is a schematic circuit diagram of a first driving subunit of a diagnostic test apparatus according to an embodiment of the present application.
Fig. 6 is a schematic circuit diagram of a second driving subunit of a diagnostic test apparatus according to an embodiment of the present application.
Fig. 7 is a schematic circuit diagram of an equalizing unit of a diagnostic test apparatus according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
1. The device comprises a main driving unit, 2, an auxiliary driving unit, 3, an output unit, 4, a main control unit, 5, a switch unit, 6, a Bluetooth unit, 7, a power supply unit, 8 and an equalizing unit.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
Referring to fig. 1, the present application discloses a diagnostic test apparatus, which includes a main driving unit 1, a sub-driving unit 2, an output unit 3, a main control unit 4 and a switch unit 5, wherein the main driving unit 1 is electrically connected to the main control unit 4 and the output unit 3, respectively, and the main control unit 4, the sub-driving unit 2 and the output unit 3 are electrically connected in sequence; the main control unit 4 receives an instruction set sent by an upper computer, controls the level change of the switch unit 5 according to the instruction set, the auxiliary drive unit 2 switches a connection channel with the output unit 3 according to the level change of the switch unit 5, and the output unit 3 is used for connecting various types of automobiles.
In the above-mentioned embodiment, the output unit 3 of this application is connected with the car, and main control unit 4 obtains the car data according to total drive unit 1 and output unit 3's interface channel, main control unit 4 will car data transmission is to the host computer, the host computer analysis car data obtains the optimal channel information of recommending, according to the optimal channel information of recommending, host computer send the instruction set with the optimal channel information of recommending looks adaptation to main control unit 4, main control unit 4 basis the instruction set, control the level change of switch element 5, auxiliary drive unit 2 basis switch of switch element 5 the level change with output unit 3's interface channel, output unit 3 is used for connecting the car of different grade type according to interface channel's switching, compatible various types of car accomplishes the test task.
Further, referring to fig. 2 to 3, the sub-driving unit 2 includes a first driving subunit 21 and a second driving subunit 22, the first driving subunit 21 and the second driving subunit 22 have the same structure, and both the first driving subunit 21 and the second driving subunit 22 are electrically connected to the switching unit 5.
The connection channel comprises a first communication channel and a second communication channel, the first driving subunit 21 is connected with the output unit 3 through the first communication channel, and the second driving subunit 22 is connected with the output unit 3 through the second communication channel;
the first driving subunit 21 opens and closes the first communication channel according to the level change of the switch unit 5;
the second driving subunit 22 opens and closes the second communication channel according to the level change of the switch unit 5.
In the above embodiment, the total driving unit 1, the first driving subunit 21 and the second driving subunit 22 have the same structure and each include a driving chip IC, the driving chip IC is an SIT1044, and the driving chip IC of the total driving unit, the driving chip IC of the first driving subunit 21 and the driving chip IC of the second driving subunit 22 are all provided with a standby interface, where, referring to fig. 4 to 6, for example, the standby interface of the total driving unit 1 is STB-CAN [6-14], the standby interface of the first driving subunit 21 is STB-CAN [3-11], and the standby interface of the second driving subunit 22 is STB-CAN [2-15]. When the standby interface is the high level, the driver chip IC of the main driver unit 1, the driver chip IC of the first driver subunit 21 and the driver chip IC of the second driver subunit 22 all enter the standby state, and the standby interface is the high level state, suspending the data communication process, if other situations occur, setting the standby interface to be the high level state, so that any one of the chips inside the main driver unit 1, the first driver subunit 21 and the second driver subunit 22 enters the standby state, and the inspection is convenient.
When the main control chip IC receives an instruction set from an upper computer, the main control chip IC analyzes the instruction set to obtain optimal recommended channel information, and selects the first communication channel or the second communication channel according to the optimal recommended channel information:
if a first communication channel is selected for communication, the main control unit 4 outputs voltage to the switch unit 5, the interface between the switch unit 5 and the first driving subunit 21 is in a low level state, the first communication channel is conducted, the second communication channel is cut off at the moment, and the output unit 3 can communicate with the automobile according to the first communication channel;
if the second communication channel is selected for communication, the main control unit 4 outputs a voltage to the switch unit 5, the interface between the switch unit 5 and the second driving subunit 22 is in a low level state, so that the second communication channel is turned on, and at this time, the first communication channel is turned off, and the output unit 3 can communicate with the automobile according to the second communication channel.
It is worth to be noted that, when the present application is connected to the output unit 3 through the first communication channel, the present application can communicate with the vehicle adapted to the first channel, and when the present application is connected to the output unit 3 through the second communication channel, the present application can communicate with the vehicle adapted to the second channel, wherein the vehicle adapted to the first communication channel and the vehicle adapted to the second communication channel are different types of vehicles.
In the above embodiment, the output unit 3 selects the first communication channel or selects the second communication channel to connect with multiple types of automobiles for communication, so as to solve the problem that the automobile test cannot be performed because the test interfaces between the large factories and the automobiles are different.
Still further, the diagnostic test device of this application still includes bluetooth unit 6 for connect the host computer, the host computer according to bluetooth unit 6's wireless communication link to main control unit 4 sends the instruction set.
The diagnostic test apparatus further includes a power supply unit 7 for supplying power. Referring to fig. 7, an equalizing unit 8 is further included to stably equalize the voltage provided by the power supply unit 7.
In addition, the upper computer comprises any one of mobile terminal electronic equipment of a mobile phone, a computer and a tablet.
Example 2
The present application further discloses a diagnostic testing system, which includes any one of the above diagnostic testing apparatuses, and can also implement the above implementation process, which is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of another identical element in a process, apparatus, article, or method comprising the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (8)
1. A diagnosis test device is characterized by comprising a main drive unit, an auxiliary drive unit, an output unit, a main control unit and a switch unit, wherein the main drive unit is respectively electrically connected with the main control unit and the output unit, and the main control unit, the auxiliary drive unit and the output unit are sequentially electrically connected;
the main control unit receives an instruction set sent by an upper computer, controls the level change of the switch unit according to the instruction set, the auxiliary drive unit switches a connecting channel with the output unit according to the level change of the switch unit, and the output unit is used for connecting various types of automobiles.
2. The diagnostic test device of claim 1, wherein the sub-driving unit comprises a first driving subunit and a second driving subunit, the first driving subunit and the second driving subunit are identical in structure, and the first driving subunit and the second driving subunit are electrically connected to the switch unit.
3. The diagnostic test device of claim 2, wherein the connection channel comprises a first communication channel and a second communication channel, the first driving subunit being connected to the output unit via the first communication channel, the second driving subunit being connected to the output unit via the second communication channel;
the first driving subunit opens and closes the first communication channel according to the level change of the switch unit;
the second driving subunit opens and closes the second communication channel according to the level change of the switch unit.
4. The diagnostic test device of claim 1, further comprising a bluetooth unit for connection to the host computer, the host computer sending a set of instructions to the master control unit based on a wireless communication link of the bluetooth unit.
5. The diagnostic testing apparatus of claim 4, wherein the host computer comprises any one of a mobile terminal electronic device selected from a mobile phone, a computer and a tablet.
6. The diagnostic test device of claim 1, further comprising a power supply unit to provide power.
7. The diagnostic test device of claim 6, further comprising an equalization unit for stably equalizing the voltage provided by the power supply unit.
8. A diagnostic test system comprising a diagnostic test apparatus as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178244.1U CN217821347U (en) | 2022-08-18 | 2022-08-18 | Diagnostic test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178244.1U CN217821347U (en) | 2022-08-18 | 2022-08-18 | Diagnostic test device and system |
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| Publication Number | Publication Date |
|---|---|
| CN217821347U true CN217821347U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222178244.1U Active CN217821347U (en) | 2022-08-18 | 2022-08-18 | Diagnostic test device and system |
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|---|---|
| CN (1) | CN217821347U (en) |
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2022
- 2022-08-18 CN CN202222178244.1U patent/CN217821347U/en active Active
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