CN214751519U - Communication state recognition device of automobile and diagnosis tool - Google Patents
Communication state recognition device of automobile and diagnosis tool Download PDFInfo
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- CN214751519U CN214751519U CN202121376039.5U CN202121376039U CN214751519U CN 214751519 U CN214751519 U CN 214751519U CN 202121376039 U CN202121376039 U CN 202121376039U CN 214751519 U CN214751519 U CN 214751519U
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 65
- 238000004891 communication Methods 0.000 title claims abstract description 61
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
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Abstract
A communication state recognition device of an automobile and a diagnosis tool is characterized in that an electronic control unit is electrically connected with a junction box connector, the junction box connector is connected with a diagnosis interface of the automobile, the electronic control unit is used for converting the diagnosis interface into diagnosis connection pins arranged on the junction box connector, each diagnosis connection pin is provided with an indicator light, and the indicator light is used for indicating the communication state of the diagnosis connection pin; the diagnostic programming decoder is electrically connected with the junction box connector and is used for communicating with a diagnostic interface of the automobile through the junction box connector; the oscilloscope is electrically connected with the CANH pin of the diagnosis connection pin and is used for performing oscillography display on communication signals of the diagnosis programming decoder and the automobile. According to the technical scheme, the client can visually judge the communication state of the vehicle, judge whether the diagnosis tool can send a communication signal or not, and continuously supply power when the battery is replaced, so that the vehicle power-off data is prevented from being lost, and the client can conveniently and freely connect as required.
Description
Technical Field
The utility model relates to a vehicle diagnosis technical field, concretely relates to communication state recognition device of car and diagnostic tool.
Background
After a problem with a car, the general idea is to bring the car to a car repair shop for inspection. When the automobile has problems, the problem is not solved, and finally traffic accidents can be caused. Therefore, it is important for the diagnosis work of the automobile, particularly the diagnosis work of the automobile interior control system. Since the CAN bus is used as a control communication system in a typical automobile, the inspection of the automobile control system is actually the diagnosis of the automobile CAN bus. As technology advances, various fault diagnosis tools have been developed.
Modern automobiles are controlled by computers to work, if an electric control system fault exists, a control computer corresponding to the electric control system can store fault memory, and relevant fault memory can be read out through detection of an automobile decoder, so that faults can be quickly and accurately found and maintained, for example, automobile fault codes, fault code clearing, data flow, element testing, zero setting of maintenance lamps, computer version reading, basic setting and matching adjustment are facilitated, and maintenance work is accurate and quick. However, a technical scheme for identifying the communication state between the vehicle and the diagnostic tool is absent at present, so that a client cannot visually judge the communication state of the vehicle, and further cannot know whether the diagnostic tool can effectively send out a communication signal to diagnose a fault.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a communication state recognition device of car and diagnostic tool to solve among the prior art unable audio-visual judgement vehicle communication state, and can't control diagnostic tool and can effectively send communication signal in order to carry out failure diagnosis's problem.
In order to achieve the above object, the present invention provides the following technical solutions: a communication state recognition device of an automobile and a diagnosis tool comprises an electronic control unit, a junction box connector, a diagnosis programming decoder and an oscilloscope; the electronic control unit is electrically connected with the junction box connector, the junction box connector is connected with a diagnosis interface of an automobile, the electronic control unit is used for converting the diagnosis interface into diagnosis connection pins arranged on the junction box connector, each diagnosis connection pin is provided with an indicator light, and the indicator light is used for indicating the communication state of the diagnosis connection pin;
the diagnostic programming decoder is electrically connected with the junction box connector and is used for communicating with a diagnostic interface of an automobile through the junction box connector; the oscilloscope is electrically connected with the CANH pin of the diagnosis connecting pin and is used for performing oscillography display on communication signals of the diagnosis programming decoder and the automobile.
As a preferred embodiment of the communication state recognition device of the vehicle and the diagnostic tool, the terminal block connector has sixteen diagnostic connection pins.
As a preferred embodiment of the communication state recognition device for the vehicle and the diagnostic tool, the junction box connector is godag GT 100.
As a preferred embodiment of the communication state recognition device of the vehicle and the diagnostic tool, the terminal block connector is connected to the backup battery via a diagnostic connection pin.
As a preferred embodiment of the communication state recognition device for the vehicle and the diagnostic tool, the diagnostic interface is electrically connected to the terminal box connector via a cable having an OBDII male connector and an OBDII female connector.
As a preferred embodiment of the communication state recognition device for the vehicle and the diagnostic tool, the electronic control unit converts the diagnostic interface of the vehicle into a standard OBDII diagnostic interface according to a communication protocol.
As a preferred embodiment of the communication state recognition device for a vehicle and a diagnostic tool, when the vehicle battery is replaced, uninterrupted power supply is provided to the vehicle by connecting the terminal box connector to the backup battery.
As a preferred scheme of the communication state recognition device of the automobile and the diagnosis tool, when the diagnosis programming decoder sends out communication information to enter the automobile through the junction box connector, an indicator light of the junction box connector is lightened;
and when the indicator light of the junction box connector is not on, judging that the diagnosis programming decoder is damaged.
The utility model has the advantages of as follows: the electronic control unit is electrically connected with the junction box connector, the junction box connector is connected with a diagnosis interface of an automobile, the electronic control unit is used for converting the diagnosis interface into diagnosis connection pins arranged on the junction box connector, each diagnosis connection pin is provided with an indicator light, and the indicator light is used for indicating the communication state of the diagnosis connection pin; the diagnostic programming decoder is electrically connected with the junction box connector and is used for communicating with a diagnostic interface of the automobile through the junction box connector; the oscilloscope is electrically connected with the CANH pin of the diagnosis connection pin and is used for performing oscillography display on communication signals of the diagnosis programming decoder and the automobile. This technical scheme can let the customer can judge vehicle communication state directly perceived, judges that the diagnostic tool can send communication signal, can uninterrupted power supply when trading the battery simultaneously, prevents that vehicle outage data from losing, and a plurality of diagnosis connect the pin and make things convenient for the customer to freely connect as required.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of a communication status recognition device for an automobile and a diagnostic tool according to an embodiment of the present invention.
In the figure: 1. an electronic control unit; 2. a terminal block connector; 3. a diagnostic programming decoder; 4. an oscilloscope; 5. diagnosing a connection pin; 6. an indicator light; 7. OBDII male; 8. an OBDII female head; 9. OBDII diagnostics interface.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a communication state recognition device for an automobile and a diagnostic tool is provided, which comprises an electronic control unit 1, a terminal box connector 2, a diagnostic programming decoder 3 and an oscilloscope 4; the electronic control unit 1 is electrically connected with the terminal box connector 2, the terminal box connector 2 is connected with a diagnosis interface of an automobile, the electronic control unit 1 is used for converting the diagnosis interface into diagnosis connection pins 5 arranged on the terminal box connector 2, each diagnosis connection pin 5 is provided with an indicator lamp 6, and the indicator lamps 6 are used for indicating the communication state of the diagnosis connection pins 5;
the diagnostic programming decoder 3 is electrically connected with the terminal box connector 2, and the diagnostic programming decoder 3 is used for communicating with a diagnostic interface of an automobile through the terminal box connector 2; the oscilloscope 4 is electrically connected with a CANH pin of the diagnosis connecting pin 5, and the oscilloscope 4 is used for performing oscillography display on communication signals of the diagnosis programming decoder 3 and the automobile.
In this embodiment, the terminal block connector 2 has sixteen diagnostic connection pins 5. The terminal block connector 2 employs godag GT 100. The purpose of a quick interface is achieved by converting the diagnostic interface of the car into sixteen diagnostic connection pins 5, while each diagnostic connection pin 5 is provided with an indicator light 6. When a communication signal is accessed, the corresponding indicator lamp 6 is lighted, so that the communication state can be conveniently judged. Similarly, through sixteen diagnosis connecting pins 5, the interface can diagnose non-standard automobiles and trucks.
In particular, godag GT100 may convert an onboard OBDII port to sixteen pin signal detection and level conversion. A single module or a plurality of vehicle modules can be connected. It can be used with any diagnostic tool to determine if the vehicle is communicating properly. The godag GT100 color jumper is made according to the ECU communication protocol, and can be conveniently, quickly and conveniently connected to the electronic control unit 1.
Specifically, the oscilloscope 4 adopts a DS1000Z series digital oscilloscope 4, four channels, a bandwidth of 70 MHz-100 MHz, a sampling rate as high as 1GSa/s, and a high-performance economical general digital oscilloscope 4 with deep storage depth and high waveform capture rate. The real-time sampling rate reaches 1GSa/s, the standard matching storage depth reaches 12Mpts, the matching is reached 24Mpts, the waveform capture rate reaches 30000 waveforms per second, and the method has rich interfaces: USB Host & Device, LAN (LXI Core Device 2011), AUX, USB-GPIB.
In this embodiment, the terminal block connector 2 is connected to a backup battery through a diagnostic connection pin 5. The diagnostic connection pin 5 can be used for quickly connecting a standby battery, and can also supply power to a vehicle when the battery is replaced so as to prevent the loss of vehicle control module data.
In this embodiment, the diagnostic interface is electrically connected to the terminal block connector 2 by a cable having an OBDII male connector 7 and an OBDII female connector 8. The male head 7 of OBDII and the female head 8 of OBDII adopt 1.2 meter extension cable connection for extending and converting the diagnostic interface 9 of automobile OBDII and diagnostic equipment.
In this embodiment, the electronic control unit 1 converts the diagnostic interface of the vehicle into the standard OBDII diagnostic interface 9 according to the communication protocol. The electronic control unit 1 is converted into a standard OBDII diagnosis interface 9 according to a communication protocol, so that the connection is convenient.
In this embodiment, when the vehicle battery is replaced, uninterrupted power supply is provided for the vehicle by connecting the terminal block connector 2 to the backup battery. When the diagnostic programming decoder 3 sends out a communication message to enter the automobile through the junction box connector 2, the indicator lamp 6 of the junction box connector 2 is turned on; when the indicator light 6 of the terminal block connector 2 is not on, it is judged that the diagnostic programming decoder 3 is broken. The use of the terminal block connector 2 to display the status of the communication signal can be used to determine the quality of the diagnostic programming decoder 3. When the diagnostic programming decoder 3 sends a communication signal to the terminal block connector 2, the corresponding indicator light 6 is lighted. If no communication signal is sent, it is judged that the diagnostic program decoder 3 is defective.
The utility model discloses a with the electric connection between electronic control unit 1 and terminal box connector 2, terminal box connector 2 is connected with the diagnosis interface of car, electronic control unit 1 is used for changing the diagnosis interface into setting up at terminal box connector 2's diagnosis connection pin 5, and every diagnosis connection pin 5 disposes an pilot lamp 6, and pilot lamp 6 is used for instructing the communication state of diagnosis connection pin 5; the diagnosis programming decoder 3 is electrically connected with the junction box connector 2, and the diagnosis programming decoder 3 is used for communicating with a diagnosis interface of an automobile through the junction box connector 2; the oscilloscope 4 is electrically connected with a CANH pin of the diagnosis connecting pin 5, and the oscilloscope 4 is used for displaying oscillography of communication signals of the diagnosis programming decoder 3 and the automobile. When the vehicle battery is replaced, uninterrupted power is supplied to the vehicle by connecting the terminal block connector 2 to a backup battery. When the diagnostic programming decoder 3 sends out a communication message to enter the automobile through the junction box connector 2, the indicator lamp 6 of the junction box connector 2 is turned on; when the indicator light 6 of the terminal block connector 2 is not on, it is judged that the diagnostic programming decoder 3 is broken. The use of the terminal block connector 2 to display the status of the communication signal can be used to determine the quality of the diagnostic programming decoder 3. When the diagnostic programming decoder 3 sends a communication signal to the terminal block connector 2, the corresponding indicator light 6 is lighted. If no communication signal is sent, it is judged that the diagnostic program decoder 3 is defective. This technical scheme can let the customer can judge vehicle communication state directly perceived, judges that the diagnostic tool can send communication signal, can uninterrupted power supply when trading the battery simultaneously, prevents that vehicle outage data from losing, and pin 5 is connected in a plurality of diagnoses makes things convenient for the customer to freely connect as required.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A communication state recognition device of an automobile and a diagnosis tool is characterized by comprising an electronic control unit (1), a junction box connector (2), a diagnosis programming decoder (3) and an oscilloscope (4); the electronic control unit (1) is electrically connected with the junction box connector (2), the junction box connector (2) is connected with a diagnosis interface of an automobile, the electronic control unit (1) is used for converting the diagnosis interface into diagnosis connection pins (5) arranged on the junction box connector (2), each diagnosis connection pin (5) is provided with an indicator lamp (6), and the indicator lamps (6) are used for indicating the communication state of the diagnosis connection pins (5);
the diagnostic programming decoder (3) is electrically connected with the junction box connector (2), and the diagnostic programming decoder (3) is used for communicating with a diagnostic interface of an automobile through the junction box connector (2); the oscilloscope (4) is electrically connected with a CANH pin of the diagnosis connecting pin (5), and the oscilloscope (4) is used for performing oscillography display on communication signals of the diagnosis programming decoder (3) and the automobile.
2. A communication status recognition apparatus for a vehicle and a diagnostic tool according to claim 1, wherein the terminal block connector (2) has sixteen diagnostic connection pins (5).
3. The communication status recognition apparatus for vehicle and diagnostic tool as claimed in claim 1, wherein the junction box connector (2) is godag GT 100.
4. The communication state recognition device for a vehicle and a diagnostic tool according to claim 1, characterized in that the terminal block connector (2) is connected to a backup battery via a diagnostic connection pin (5).
5. The communication state recognition device of a vehicle and a diagnostic tool according to claim 1, characterized in that the diagnostic interface is electrically connected to the terminal block connector (2) via a cable having an OBDII male (7) and an OBDII female (8).
6. The device for identifying the communication status of a vehicle and a diagnostic tool according to claim 1, characterized in that the electronic control unit (1) converts the diagnostic interface of the vehicle into a standard OBDII diagnostic interface (9) according to a communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121376039.5U CN214751519U (en) | 2021-06-21 | 2021-06-21 | Communication state recognition device of automobile and diagnosis tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121376039.5U CN214751519U (en) | 2021-06-21 | 2021-06-21 | Communication state recognition device of automobile and diagnosis tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341931A (en) * | 2021-06-21 | 2021-09-03 | 深圳市芯诺宇科技有限公司 | Communication state recognition device of automobile and diagnosis tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341931A (en) * | 2021-06-21 | 2021-09-03 | 深圳市芯诺宇科技有限公司 | Communication state recognition device of automobile and diagnosis tool |
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