CN208621928U - A kind of control device sent for CAN signal processing - Google Patents
A kind of control device sent for CAN signal processing Download PDFInfo
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- CN208621928U CN208621928U CN201821106039.1U CN201821106039U CN208621928U CN 208621928 U CN208621928 U CN 208621928U CN 201821106039 U CN201821106039 U CN 201821106039U CN 208621928 U CN208621928 U CN 208621928U
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Abstract
The utility model discloses a kind of control device sent for CAN signal processing, it includes power module, input detection processing module, master controller, output indicating module and CAN signal sending/receiving module, power module is connected with input detection processing module, master controller, output indicating module and CAN signal sending/receiving module, provides regulated power supply；Input detection processing module is connected with master controller, detection processing input control signal；Master controller is connected with CAN signal sending/receiving module and output indicating module, and control CAN signal sending/receiving module sends CAN signal, detects the signal in CAN bus, and will determine that result is shown by exporting indicating module.The utility model can send different CAN message information in real time, and be measured in real time simultaneously to the signal in CAN bus, control command and can ensure the correctness of CAN message information outside quick response.
Description
Technical field
The utility model belongs to automobile CAN signal technical field of automatic control, especially a kind of to handle for CAN signal
The control device of transmission.
Background technique
Along with the fast development of Automobile Electronic Industry, the quantity of automotive interior harness how is reduced, reduces vehicle weight
And cost becomes more and more important.CAN bus technology with so that this problem is resolved.
Utility model content
For above situation, the utility model, which provides one kind, to send CAN signal simultaneously with control command outside quick response
The control device sent for CAN signal processing being measured in real time.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of control device sent for CAN signal processing, it includes power module, input detection processing module, master
Controller, output indicating module and CAN signal sending/receiving module, power module and input detection processing module, master controller,
It exports indicating module and CAN signal sending/receiving module is connected, for being input detection processing module, master controller, output
Indicating module and CAN signal sending/receiving module provide regulated power supply；Input detection processing module is connected with master controller, uses
In detection processing input control signal；Master controller is connected with CAN signal sending/receiving module and output indicating module, is used for
It controls CAN signal sending/receiving module and sends CAN signal, detect the signal in CAN bus, and will determine that result is referred to by output
Show that module is shown.
Further, input detection processing module while the multiple input control signals of detection processing.
Further ,+13.5V the level change of detection processing module real-time detection input terminal is inputted, and is converted thereof into
The 5V low and high level signal that master controller can identify.
Further, the input control signal that master controller real-time reception input detection processing module is sent.
Further, master controller is connected with CAN signal sending/receiving module, is sent out by CAN signal sending/receiving module
CAN signal is sent or received, and detects the signal in CAN bus, and will determine that result is shown by exporting indicating module.
The utility model has the advantages that
1. the input detection processing module of the utility model can handle multiple external control signals, master controller control simultaneously
CAN signal sending/receiving module processed sends CAN signal in real time, fast response time, and real-time is stronger.
2. the master controller of the utility model can send and detect simultaneously CAN signal, cost has been saved.
Detailed description of the invention
Fig. 1 is the working principle block diagram of the control device sent for CAN signal processing of an embodiment of the present invention；
In figure: 1- power module, 2- input detection processing module, 3- master controller, 4- output indicating module, 5-CAN letter
Number sending/receiving module, 6-CAN bus.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The present embodiment proposes a kind of control device sent for CAN signal processing, as shown in Figure 1, it includes power supply mould
Block 1, input detection processing module 2, master controller (MCU) 3, output indicating module 4 and CAN signal sending/receiving module 5.Power supply
Module 1 is made of LM2940S voltage stabilizing chip and its peripheral circuit, and LM2940S voltage stabilizing chip is as core, with input detection processing
Module 2, master controller (MCU) 3, output indicating module 4 are connected with CAN signal sending/receiving module 5, to input detection processing mould
Block 2, master controller (MCU) 3, output indicating module 4 and CAN signal sending/receiving module 5 provide regulated power supply.It inputs at detection
Module 2 is managed by triode and regulator tube group into detection processing circuit, is connected with master controller (MCU) 3, detection processing input terminal
13.5V voltage signal, and it is converted into the 5V low and high level signal that master controller (MCU) 3 can identify.Master controller (MCU) 3 by
MC9S12XS128 single-chip computer and its peripheral circuit composition, MC9S12XS128 single-chip microcontroller be used as core, with export indicating module 4 and
CAN signal sending/receiving module 5 is connected, and control CAN signal sending/receiving module 5 sends CAN signal, detects in CAN bus 6
Signal, and will determine that result is shown by exporting indicating module 4.CAN signal sending/receiving module 5 is by TJA1050 chip
And its peripheral circuit composition, TJA1050 chip receive the Transistor-Transistor Logic level signal conversion that master controller (MCU) 3 is exported as core
It is sent in CAN bus 6 at CAN signal, or reception CAN signal is converted into Transistor-Transistor Logic level signal and is sent to master controller (MCU) 3.
Output indicating module 4 is made of the port PLC, plurality of LEDs indicator light and optocoupler.
The control method of the present embodiment the following steps are included:
Step 1 inputs 2 real-time detection external control signal of detection processing module, transmits a signal to after conversion process
Master controller (MCU) 3；
Step 2, the signal control CAN signal transmission that master controller (MCU) 3 is sent according to input detection processing module 2 connect
It receives module 5 and sends different CAN signals in real time；
Step 3, master controller (MCU) 3 pass through the letter in 5 real-time detection CAN bus 6 of CAN signal sending/receiving module
Number, and the signal good with inner setting compares, and exports and determine result to output indicating module 4.
Step 4, output indicating module 4 export corresponding LED light in indicating module 4 as a result, lighting according to judgement,
And it sends and determines result to internal PLC port.
Specifically: input detection processing module 2 shares 11 input/output ports, constitutes inspection using triode and voltage-stabiliser tube
Processing circuit is surveyed, the 13.5V signal of input is converted into 5V signal and is sent to master controller (MCU) 3.Master controller (MCU) 3
According to the operation different come Predicated execution of different ports, it can be unidirectional transmission Transistor-Transistor Logic level signal and connect to CAN signal transmission
Module 5 is received, Transistor-Transistor Logic level signal is converted into CAN signal and be sent in CAN bus 6 by CAN signal sending/receiving module 5, can also be with
The signal returned to CAN signal sending/receiving module 5 is made to determine whether correctly, indicates mould to output if correctly sending OK instruction
The port PLC of block 4, if mistake sends NG instruction to the port PLC of output indicating module 4.Export indicating module 4 by the port PLC,
LED light and optocoupler composition, can both directly display judgement as a result, or will sentence by optocoupler by LED light
Determine result and feeds back to other equipment.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the protection scope of the utility model.
Claims (5)
1. a kind of control device sent for CAN signal processing, it includes power module (1), input detection processing module
(2), master controller (3), output indicating module (4) and CAN signal sending/receiving module (5), which is characterized in that the power supply mould
Block (1) and the input detection processing module (2), the master controller (3), the output indicating module (4) and the CAN
Signal sending/receiving module (5) is connected, for for the input detection processing module (2), the master controller (3), described defeated
Indicating module (4) and the CAN signal sending/receiving module (5) provide regulated power supply out；The input detection processing module
(2) it is connected with the master controller (3), is used for detection processing input control signal；The master controller (3) and the CAN believe
Number sending/receiving module (5) and the output indicating module (4) are connected, for controlling the CAN signal sending/receiving module
(5) CAN signal, the signal in detection CAN bus (6) are sent, and will determine that result is carried out by the output indicating module (4)
It shows.
2. the control device according to claim 1 sent for CAN signal processing, which is characterized in that at the input detection
Manage module (2) multiple input control signals of detection processing simultaneously.
3. the control device according to claim 1 or 2 sent for CAN signal processing, which is characterized in that the input detection
+ 13.5V the level change of processing module (2) real-time detection input terminal, and convert thereof into the master controller (3) and can identify
5V low and high level signal.
4. the control device according to claim 1 or 2 sent for CAN signal processing, which is characterized in that the master controller
(3) input control signal that input detection processing module (2) is sent described in real-time reception.
5. the control device according to claim 1 or 2 sent for CAN signal processing, which is characterized in that the master controller
(3) it is connected with the CAN signal sending/receiving module (5), is sent or received by the CAN signal sending/receiving module (5)
CAN signal, and the signal on the CAN bus (6) is detected, and will determine that result is carried out by the output indicating module (4)
It shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106039.1U CN208621928U (en) | 2018-07-12 | 2018-07-12 | A kind of control device sent for CAN signal processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821106039.1U CN208621928U (en) | 2018-07-12 | 2018-07-12 | A kind of control device sent for CAN signal processing |
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| CN208621928U true CN208621928U (en) | 2019-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143920A (en) * | 2018-07-12 | 2019-01-04 | 常州星宇车灯股份有限公司 | A kind of control device and its control method for CAN signal processing transmission |
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2018
- 2018-07-12 CN CN201821106039.1U patent/CN208621928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143920A (en) * | 2018-07-12 | 2019-01-04 | 常州星宇车灯股份有限公司 | A kind of control device and its control method for CAN signal processing transmission |
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