CN207560025U - A kind of CAN communication test simulation system - Google Patents
A kind of CAN communication test simulation system Download PDFInfo
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- CN207560025U CN207560025U CN201721154896.4U CN201721154896U CN207560025U CN 207560025 U CN207560025 U CN 207560025U CN 201721154896 U CN201721154896 U CN 201721154896U CN 207560025 U CN207560025 U CN 207560025U
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- test simulation
- communication test
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Abstract
The utility model is related to a kind of CAN communication test simulation systems, connect CPU by CAN bus chip including CAN bus communication module, receive the state of a control information that CPU is sent, be sent to external CAN bus equipment；Clock chip connects CPU, provides the time that accurate, power down is not lost；TF card connects CPU, records the data of external CAN bus equipment transmission and records the operating status daily record of motor；Motor simulation circuit interface is connected to CPU by isolation circuit, for sending motor operating state information；Serial port liquid crystal screen connects CPU, for human-computer interface control and the display state of CAN bus equipment and simulated machine running state information.The utility model employs quarantine measures, prevents interference and abnormal conditions, can simulate up to 8 motors or be spaced apart the operation of status devices, and can record its related data in real time；Reducing the communication frequency of CAN bus can allow communication distance farther.
Description
Technical field
The utility model is related to communication control field, specifically a kind of CAN communication test simulation system.
Background technology
CAN bus belongs to the scope of fieldbus, be it is a kind of it is effective support distributed AC servo system and control in real time serially lead to
Communication network.CAN bus has the characteristics that at low cost, speed is fast, real-time and reliability are high, becomes and worldwide obtains extensively
One of general fieldbus GB standard used.The characteristics of due to CAN bus itself, application range has been no longer limited to automobile
Industry, and sent out to fields such as process industrial, mechanical industry, textile machine, farm machinery, robot, numerically-controlled machine tool, medical instruments
Exhibition.
Since the multisensor wireless communication control system patent No. 201720506007.X of environmental monitoring is led to using CAN
Believe agreement, and be required to 8 motor switch states of monitoring and run time, on the market without matched simulation test
Equipment, because of the invention CAN communication test simulation system.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of CAN communication test simulation system, solve multisensor without
Most of functional test that line communication control system (patent No. 201720506007.X) carries out required for production test is asked
Topic.
Present invention technical solution used for the above purpose is：
A kind of CAN communication tests system, including：
CAN bus communication module connects CPU by CAN bus chip, receives the environmental state information that CPU is sent, and sends
To external CAN bus equipment；
Motor status analogue unit connects CPU by photoelectric isolation module, and the other end connects motor status analog interface,
It is acted for simulated machine, run action is output to external environment monitoring modular, and can by motor status analog interface
Operating status, number of run and the record purge function of each motor are recorded in TF card.
Clock chip passes through I2C interface connects CPU, and clock signal is provided to CPU, and time and motor status information is real-time
Operating status daily record is recorded.
TF card connects CPU by electrostatic discharge protective circuit, records the data of external CAN bus equipment transmission and operation is recorded
Status log.
Power interface passes sequentially through isolated from power protection circuit and connects CPU with voltage conversion chip, is system power supply.
House dog connects CPU, the real time status information of CPU is acquired, for preventing abnormality.
Electromagnetic protection circuit is set between the CAN bus communication module and CAN bus chip, and user prevents surge from doing
It disturbs.
Touch screen connects CPU by electrical level transferring chip, for human-computer interaction.
The CAN bus communication module is used to send and receive the data information of external perimysium reference CAN protocol equipment, is looked into
It askes and controls.
The motor status interface is multiple, and each motor status interface connects CPU by photoelectric isolation module.
The operating status daily record is stored in TF card, in real time record include the date, the time, each motor switch number and
Opening time, the time record information of CAN interface communication, it is convenient to carry out comparing with environment monitoring module.
The invention has the advantages that and advantage：
1. the utility model adds EMC Design, prevent surge from interfering；
2. the utility model is capable of the order of self-defining CAN bus, and checks result；
3. the utility model can allow communication distance farther by reducing the communication frequency of CAN bus, up to 10KM；
4. the utility model employs quarantine measures, prevent interference and abnormal conditions, can simulate up to 8 motors or
It is spaced apart the operation of status devices, and its related data can be recorded in real time；
5. the man-machine interface of the utility model is shown using 7 cun of touch screen designs, letter more easily can be operated and checked
Breath；
6. the status information of the utility model storage is stored in TF card, can be connected to by card reader on computer will
Data are taken out.
Description of the drawings
Fig. 1 is the hardware structure diagram of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
It is the hardware structure diagram of the utility model as shown in Figure 1.
After CAN communication test system is connect including central processing unit by serial line interface with electrical level transferring chip, with touch
Screen connection；After central processing unit protects circuit by CAN bus chip and electromagnetic compatibility, CAN interface is connected；Central processing
After device is by 8 groups of Phototube Couplings, it is connected to 8 groups of motor status analog interfaces；
After central processing unit is by voltage conversion chip and isolated from power protection, it is connected to power interface；Central processing unit
After electrostatic discharge protective circuit, it is connected to TF card socket；
Touch screen：It is used for human-computer interaction, can voluntarily write and send CAN bus order, and can check motor shape
State uses serial connection mode with CPU.
CAN bus communicates：For sending and receiving the data information of external perimysium reference CAN protocol equipment, can be inquired
And control, it sends CAN orders control and checks the information such as CAN states, motor status.
TF card stores：For storing CAN device state and external motor operating status, which can store data 10 years
More than.
Central processing unit：CAN communication tests the control core of system, UCOSIII real time operating systems has been transplanted, for examining
Whether the CAN communication for surveying connection equipment under test is normal, can send custom command and be tested.
Clock unit passes through I2C interface connects CPU, for being used when recording time and recording status, provide it is accurate, fall
The time that electricity is not lost, precise time and motor status information can be recorded in daily record in real time.
Motor status analogue unit acts for simulated machine, run action is exported by motor status analog interface
Environment monitoring module is connected to, and operating status, number of run and the record purge work(of each motor can be recorded in TF card
Energy.
Watchdog chip connects CPU, CPU real time status informations is acquired, for preventing abnormality.
Claims (10)
1. a kind of CAN communication test simulation system, which is characterized in that including：
CAN bus communication module connects CPU by CAN bus chip, receives the environmental state information that CPU is sent, and is sent to outer
Portion's CAN bus equipment；
Motor status analogue unit connects CPU by photoelectric isolation module, and other end connection motor status analog interface is used for
Simulated machine acts, and by motor status analog interface run action is output to external environment monitoring modular, and can be in TF
Operating status, the number of run of each motor are recorded in card.
2. CAN communication test simulation system according to claim 1, it is characterised in that：Clock chip passes through I2C interface connects
CPU is met, clock signal is provided to CPU, operating status daily record is recorded in time and motor status information in real time.
3. CAN communication test simulation system according to claim 1, it is characterised in that：TF card passes through electrostatic discharge protective circuit
CPU is connected, record the data of external CAN bus equipment transmission and operating status daily record is recorded.
4. CAN communication test simulation system according to claim 1, it is characterised in that：Power interface passes sequentially through power supply
Isolation protective circuit connects CPU with voltage conversion chip, is system power supply.
5. CAN communication test simulation system according to claim 1, it is characterised in that：House dog connects CPU, acquires CPU
Real time status information, for preventing abnormality.
6. CAN communication test simulation system according to claim 1, it is characterised in that：In the CAN bus communication module
Electromagnetic protection circuit is set between CAN bus chip, and user prevents surge from interfering.
7. CAN communication test simulation system according to claim 1, it is characterised in that：Touch screen passes through level conversion core
Piece connects CPU, for human-computer interaction.
8. CAN communication test simulation system according to claim 1, it is characterised in that：The CAN bus communication module is used
In the data information for sending and receiving external perimysium reference CAN protocol equipment, inquired and controlled.
9. CAN communication test simulation system according to claim 1, it is characterised in that：The motor status interface is more
It is a, and each motor status interface connects CPU by photoelectric isolation module.
10. the CAN communication test simulation system according to Claims 2 or 3, it is characterised in that：The operating status daily record
Be stored in TF card, in real time record include date, time, each motor switch number and opening time, CAN interface communicate when
Between record information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154896.4U CN207560025U (en) | 2017-09-11 | 2017-09-11 | A kind of CAN communication test simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154896.4U CN207560025U (en) | 2017-09-11 | 2017-09-11 | A kind of CAN communication test simulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207560025U true CN207560025U (en) | 2018-06-29 |
Family
ID=62676055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721154896.4U Active CN207560025U (en) | 2017-09-11 | 2017-09-11 | A kind of CAN communication test simulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207560025U (en) |
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2017
- 2017-09-11 CN CN201721154896.4U patent/CN207560025U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 861-3 (201) e03-230-17, shangshengou village, Hunnan District, Shenyang City, Liaoning Province Patentee after: Shenyang Zhonghong Internet of things Technology Co., Ltd Address before: At 110179 Shenyang Road, Liaoning Province Hunnan New District No. 6 Patentee before: AOWEI FEIYUE COMMUNICATION Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 861-3 (201) e03-230-17, shangshengou village, Hunnan District, Shenyang City, Liaoning Province Patentee after: Zhonghong Huilian Technology Co.,Ltd. Address before: No. 861-3 (201) e03-230-17, shangshengou village, Hunnan District, Shenyang City, Liaoning Province Patentee before: Shenyang Zhonghong Internet of things Technology Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |