CN220605939U - CAN communication tester for coal mining machine - Google Patents
CAN communication tester for coal mining machine Download PDFInfo
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- CN220605939U CN220605939U CN202322378321.2U CN202322378321U CN220605939U CN 220605939 U CN220605939 U CN 220605939U CN 202322378321 U CN202322378321 U CN 202322378321U CN 220605939 U CN220605939 U CN 220605939U
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- 238000004891 communication Methods 0.000 title claims abstract description 76
- 239000003245 coal Substances 0.000 title abstract description 27
- 238000005065 mining Methods 0.000 title abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000011835 investigation Methods 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses a CAN communication tester of a coal mining machine, which comprises a shell, a display screen, a key module, an electronic circuit board arranged in the shell, a main controller integrated on the electronic circuit board, a CAN communication interface module and an isolation module, wherein a 15V rechargeable lithium battery and a 5V rechargeable lithium battery are arranged in the shell; the key module comprises a power key, a starting key, a mode key, a return key, a baud rate key, a sending key and a plurality of configuration keys; the shell is provided with a charging port and a connector. The utility model has the advantages of simple structure, small volume, light weight and easy carrying, CAN meet the power supply connection of the CAN communication equipment to be tested of the coal mining machine, improves the testing efficiency, is convenient for sectional investigation on the coal mining machine, reduces the labor intensity and has strong practicability.
Description
Technical Field
The utility model belongs to the technical field of CAN communication test devices, and particularly relates to a CAN communication tester of a coal mining machine.
Background
In recent years, with the trend of the development of the intellectualization and automation of the industrial equipment, the CAN communication equipment occupies larger weight in the industrial equipment, and the CAN communication is widely applied to the field of coal mines with high reliability, flexibility and real-time performance, and becomes a main communication means of the industries gradually. With the increase of CAN communication equipment of the coal mining machine, the proportion of generated data problems is increased, and at present, the CAN communication equipment of the coal mining machine is detected and inspected by matching a computer with USBCANs, so that the defects of inconvenient detection, inconvenient carrying, external power supply requirement for equipment configuration and the like exist, a great deal of manpower and material resources are wasted, and the detection cannot be better for sectional inspection equipment.
Therefore, the CAN communication tester for the coal mining machine, which has the advantages of simple structure, reasonable design, small size, light weight and easy carrying, CAN meet the power supply connection of the CAN communication equipment to be tested of the coal mining machine, improves the testing efficiency, is convenient for sectional investigation on the coal mining machine, and reduces the labor intensity.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the CAN communication tester for the coal mining machine, which has the advantages of simple structure, small volume, light weight and high practicality, is easy to carry, CAN meet the power supply connection of CAN communication equipment to be tested of the coal mining machine, improves the testing efficiency, is convenient for sectional investigation on the coal mining machine, and reduces the labor intensity.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a coal-winning machine CAN communication tester which characterized in that: the portable electronic device comprises a shell, a display screen, a key module, an electronic circuit board arranged in the shell, a main controller integrated on the electronic circuit board, a CAN communication interface module and an isolation module, wherein a 15V rechargeable lithium battery and a 5V rechargeable lithium battery are arranged in the shell;
the key module comprises a power key, a starting key, a mode key, a return key, a baud rate key, a sending key and a plurality of configuration keys;
the shell is provided with a charging port and a connector.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the shell comprises a shell body and a bottom plate arranged at the bottom of the shell body, the charging port and the connector are positioned on the shell body, the electronic circuit board is positioned in the shell body, and a transparent window for the display screen to view is arranged on the top surface of the shell body.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the master controller is an STM32F407ET6 singlechip.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the display screen is a TFTLCD3.2 inch liquid crystal display screen, and an FMSC interface of the display screen is connected with an FMSC interface of the master controller through a connecting wire.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the CAN communication interface module is a TJA1050 module, and the TXD pin of the CAN communication interface module and the RXD pin of the CAN communication interface module are both connected with the master controller.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the isolation module is an ECANG-F optical isolation repeater, the output end of the CAN communication interface module is connected with the input end of the isolation module, and the output end of the isolation module is connected with the connector.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the power key, the starting key, the mode key, the return key, the baud rate key, the sending key and the configuration keys are all connected with the main controller.
The above-mentioned coal-winning machine CAN communication tester, its characterized in that: the connector is provided with a 15V power positive interface, a 15V power negative interface, a 5V power positive interface, a 5V power negative interface, a CANH interface and a CANL interface.
Compared with the prior art, the utility model has the following advantages:
1. the utility model has simple structure and small volume, integrates the CAN communication interface module and the isolation module, realizes the CAN communication connection between the CAN communication interface of the inclinometer to be tested on the coal mining machine and the CAN communication tester, and improves the stability of CAN signal connection.
2. The utility model sets up 15V chargeable lithium battery, in order to make interface on the interface connector offer 15V power for inclinometer to be tested on the coal-winning machine, CAN meet the power supply connection of CAN communication equipment to be tested of the coal-winning machine, avoid the external power supply to set up.
3. The utility model is provided with the key module and the display screen, thereby being convenient for man-machine manual operation and visual inspection.
In conclusion, the utility model has the advantages of simple structure, small volume, light weight and portability, CAN meet the power supply connection of the CAN communication equipment to be tested of the coal mining machine, improves the testing efficiency, is convenient for sectional investigation on the coal mining machine, reduces the labor intensity and has strong practicability.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the present utility model.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a schematic structural diagram of a master controller, a display screen, a CAN communication interface module and an isolation module according to the present utility model.
Reference numerals illustrate:
1-a housing; 1-1, a bottom plate; 1-2-a shell;
19-an isolation module; a 20-15V rechargeable lithium battery; 21-5V rechargeable lithium battery.
Detailed Description
As shown in fig. 1 to 4, the utility model comprises a shell 1, a display screen 2, a key module, an electronic circuit board 11 arranged in the shell 1, a main controller 17 integrated on the electronic circuit board 11, a CAN communication interface module 18 and an isolation module 19, wherein a 15V rechargeable lithium battery 20 and a 5V rechargeable lithium battery 21 are arranged in the shell 1;
the key module comprises a power key 3, a start key 4, a mode key 5, a return key 6, a baud rate key 7, a sending key 8 and a plurality of configuration keys 9;
the housing 1 is provided with a charging port 16 and a connector 10.
In this embodiment, the housing 1 includes a casing 1-2 and a bottom plate 1-1 disposed at the bottom of the casing 1-2, the charging port 16 and the connector 10 are located on the casing 1-2, the electronic circuit board 11 is located in the casing 1-2, and a transparent window 1-3 for viewing by the display screen 2 is disposed on the top surface of the casing 1-2.
In this embodiment, the display screen 2 is a TFTLCD3.2 inch liquid crystal display screen, and the FMSC interface of the display screen 2 is connected with the FMSC interface of the master controller 17 through a connection line.
In this embodiment, the CAN communication interface module 18 is a TJA1050 module, and both the TXD pin of the CAN communication interface module 18 and the RXD pin of the CAN communication interface module 18 are connected to the master controller 17.
In this embodiment, the isolation module 19 is an ECANG-F optical isolation repeater, an output end of the CAN communication interface module 18 is connected with an input end of the isolation module 19, and an output end of the isolation module 19 is connected with the connector 10.
In this embodiment, the power key 3, the start key 4, the mode key 5, the return key 6, the baud rate key 7, the send key 8 and the configuration keys 9 are all connected with the main controller 17.
In this embodiment, the connector 10 is provided with a positive 15V power interface, a negative 15V power interface, a positive 5V power interface, a negative 5V power interface, a CANH interface and a CANL interface.
In the present embodiment, the 15V rechargeable lithium battery 20 and the 5V rechargeable lithium battery 21 are charged through the charging port 16, and reference is made to the conventional manner in the art.
In this embodiment, the master controller 17 is an STM32F407 series single-chip microcomputer. The STM32F407ET6 singlechip is further preferred, has an FSMC interface function and can be used for carrying out connection communication with a TFTLCD display screen; in addition, the device is provided with a bxCAN controller, CAN be basically expanded and interacted with a CAN communication network, and supports CAN communication protocols of 2.0A and B versions.
In this embodiment, in actual use, the display screen 2 is a TFTLCD3.2 inch liquid crystal display screen, and the FMSC interface of the display screen 2 is connected to the FMSC interface of the main controller 17 through a connection line, so that it can display various information of the whole device, including information such as equipment ID, current channel baud rate, received data, and the like.
In this embodiment, the CAN communication interface module 18 is a TJA1050 module, a VCC pin of the CAN communication interface module 18 is connected to a 5V power output end through a capacitor C1, a TXD pin of the CAN communication interface module 18 is connected to an a11 pin of the master controller 17, a RXD pin of the CAN communication interface module 18 is connected to an a12 pin of the master controller 17, a GND pin of the CAN communication interface module 18 is grounded, an S pin of the CAN communication interface module 18 is divided into two paths, one path is connected to the 5V power output end, and the other end is grounded through a capacitor C2 and a capacitor C3 connected in series; the CANH pin of the CAN communication interface module 18 is a CANH output end, and the CANL pin of the CAN communication interface module 18 is a CANL output end.
In this embodiment, the capacitance of the capacitor can be described with reference to the drawings.
In this embodiment, during actual use, the CANH output end and the CANL output end of the CAN communication interface module 18 are connected with the CANH and CANL at the left end of the input end of the isolation module 19, and the CANH and CANL at the right end of the output end of the isolation module 19 are connected with the CANH interface and the CANL interface of the connector 10 through connecting lines respectively.
In this embodiment, in actual use, the CANH interface and the CANL interface of the connector 10 are connected with the device to be tested through the CAN physical bus.
In this embodiment, the TJA1050 module is an interface for communication with the CAN physical bus, and the TXD and RXD pins of the TJA1050 are respectively connected with the main controllers 17PA11 and PA12 to complete communication interaction with the physical bus.
In this embodiment, the isolation module 19 is configured to implement isolation and relay amplification of the CAN signal.
In this embodiment, in actual use, the number of configuration keys 9 is four, and the four configuration keys 9 are a configuration 1 key, a configuration 2 key, a configuration 3 key, and a configuration 4 key, respectively.
In this embodiment, the pin PC0 of the master 17 is connected to one end of the key S1, the pin PE5 of the master 17 is connected to one end of the key S2, the pin PE4 of the master 17 is connected to one end of the key S3, the pin PC2 of the master 17 is connected to one end of the key S4, the pin PC3 of the master 17 is connected to one end of the key S5, the pin PC4 of the master 17 is connected to one end of the key S6, the pin PE3 of the master 17 is connected to one end of the key S7, the pin PC1 of the master 17 is connected to one end of the key S8, the other end of the key S1, the other end of the key S2, the other end of the key S3, the other end of the key S4, the other end of the key S5, the other end of the key S6, the other end of the key S7, and the other end of the key S8 are all grounded.
In this embodiment, the power key 3 is connected in series to a power supply circuit powered by a 5V power supply, and the start key 4 is connected in series to a power supply circuit powered by a 15V power supply, which is a conventional manner in the art.
In this embodiment, the mode key 5 is a key S1, the baud rate key 7 is a key S2, the configuration 1 key, the configuration 2 key, the configuration 3 key and the configuration 4 key are a key S3, a key S4, a key S5 and a key S6, respectively, the sending key 8 is a key S7, and the returning key 6 is a key S8.
In this embodiment, pressing the mode key 5 corresponds to the inclinometer mode.
In this embodiment, in actual use, the mode key 5, the return key 6, the baud rate key 7, the send key 8 and the configuration keys 9 are all disposed on the key electronic circuit board 12, and the key electronic circuit board 12 is disposed on the electronic circuit board 11 through the support column 13.
In this embodiment, in actual use, the housing 1-2 is provided with a fixing base plate 14, the fixing base plate 14 is mounted on the base plate 1-1 by bolts, and the electronic circuit board 11 is mounted above the fixing base plate 14 by studs.
In this embodiment, during actual use, the baud rate button 7 is set to set the baud rate of the CAN communication tester of the coal mining machine.
When the utility model is particularly used, the power interface of the inclinometer to be tested on the coal mining machine is connected with the 15V power positive interface and the 15V power negative interface of the connector 10 to supply power to the inclinometer to be tested on the coal mining machine; the CAN communication interface of the inclinometer to be tested on the coal mining machine is connected with the CANH interface and the CANL interface on the connector 10 through a CAN bus; pressing a configuration 3 key to select and configure the serial number ID of the inclinometer to be tested on the coal mining machine, pressing a configuration 1 key to confirm the serial number, pressing a configuration 4 key to select the baud rate, and pressing a configuration 2 to determine the baud rate information;
pressing a return key 6 to return, pressing a sending key 8, and carrying out data communication on the inclinometer to be tested on the coal mining machine and the CAN communication tester, wherein if the display screen 2 has received data display, the CAN communication of the inclinometer to be tested on the coal mining machine is normal, otherwise, the CAN communication is abnormal, and the CAN communication test is completed.
In conclusion, the utility model has the advantages of simple structure, small volume, light weight and portability, CAN meet the power supply connection of the CAN communication equipment to be tested of the coal mining machine, improves the testing efficiency, is convenient for sectional investigation on the coal mining machine, reduces the labor intensity and has strong practicability.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a coal-winning machine CAN communication tester which characterized in that: the portable electronic device comprises a shell (1), a display screen (2) and a key module, an electronic circuit board (11) arranged in the shell (1), and a main controller (17), a CAN communication interface module (18) and an isolation module (19) which are integrated on the electronic circuit board (11), wherein a 15V rechargeable lithium battery (20) and a 5V rechargeable lithium battery (21) are arranged in the shell (1);
the key module comprises a power key (3), a starting key (4), a mode key (5), a return key (6), a baud rate key (7), a sending key (8) and a plurality of configuration keys (9);
the shell (1) is provided with a charging port (16) and a connector (10).
2. The shearer CAN communication tester as claimed in claim 1, wherein: the shell (1) comprises a shell (1-2) and a bottom plate (1-1) arranged at the bottom of the shell (1-2), the charging port (16) and the connector (10) are located on the shell (1-2), the electronic circuit board (11) is located in the shell (1-2), and a transparent window (1-3) for checking the display screen (2) is formed in the top surface of the shell (1-2).
3. The shearer CAN communication tester as claimed in claim 1, wherein: the master controller (17) is an STM32F407ET6 singlechip.
4. A shearer CAN communications tester as claimed in claim 3, wherein: the display screen (2) is a TFTLCD3.2 inch liquid crystal display screen, and an FMSC interface of the display screen (2) is connected with an FMSC interface of the main controller (17) through a connecting wire.
5. The shearer CAN communication tester as claimed in claim 1, wherein: the CAN communication interface module (18) is a TJA1050 module, and a TXD pin of the CAN communication interface module (18) and a RXD pin of the CAN communication interface module (18) are both connected with the main controller (17).
6. The shearer CAN communication tester as claimed in claim 1, wherein: the isolation module (19) is an ECANG-F optical isolation repeater, the output end of the CAN communication interface module (18) is connected with the input end of the isolation module (19), and the output end of the isolation module (19) is connected with the connector (10).
7. The shearer CAN communication tester as claimed in claim 1, wherein: the mode key (5), the return key (6), the baud rate key (7), the sending key (8) and the configuration keys (9) are all connected with the main controller (17).
8. The shearer CAN communication tester as claimed in claim 1, wherein: the connector (10) is provided with a 15V power positive interface, a 15V power negative interface, a 5V power positive interface, a 5V power negative interface, a CANH interface and a CANL interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378321.2U CN220605939U (en) | 2023-09-01 | 2023-09-01 | CAN communication tester for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378321.2U CN220605939U (en) | 2023-09-01 | 2023-09-01 | CAN communication tester for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220605939U true CN220605939U (en) | 2024-03-15 |
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ID=90175293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322378321.2U Active CN220605939U (en) | 2023-09-01 | 2023-09-01 | CAN communication tester for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220605939U (en) |
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2023
- 2023-09-01 CN CN202322378321.2U patent/CN220605939U/en active Active
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