CN208763753U - A kind of CAN bus engine monitoring instrument - Google Patents
A kind of CAN bus engine monitoring instrument Download PDFInfo
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- CN208763753U CN208763753U CN201821228547.7U CN201821228547U CN208763753U CN 208763753 U CN208763753 U CN 208763753U CN 201821228547 U CN201821228547 U CN 201821228547U CN 208763753 U CN208763753 U CN 208763753U
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Abstract
The utility model discloses a kind of CAN bus engine monitoring instruments, are related to engine monitoring device technical field, and the utility model includes key operation module, display module, output module, CAN communication module, memory module and MCU control module；Key operation module: it is responsible for inputting the dependent instruction that engine is run to MCU control module；CAN communication module: the instruction for being responsible for receiving MCU control module is communicated with engine, sends dependent instruction to engine, and the related data information for acquiring engine operation sends MCU control module to；MCU control module: it is responsible for control output module to engine and sends control signal, it is responsible for working time and the service time of statistics engine, and the information counted is sent to memory module, the CAN bus engine monitoring instrument of the utility model can be realized the start-up and shut-down control of engine, engine monitoring information, emm message and fault message are intuitively shown by display module, integrated level is high, improves the Installation Flexibility of monitor.
Description
Technical field
The utility model relates to engine monitoring device technical fields, more particularly to a kind of CAN bus engine
Monitor.
Background technique
Engine be it is a kind of can be the machine that can be converted into mechanical energy of other forms, including such as internal combustion engine (gasoline hair
Motivation etc.), external-combustion engine (Stirling engine, steam engine etc.), motor etc., the course of work of engine be divided into induction stroke,
Compression stroke, expansion stroke and exhaust stroke.
Environmental protection is increasingly paid attention to people with the development of construction machinery, has developed state's trimotor, state three
Engine can improve the fuel adequacy of fuel, reduce the discharge water of most pernicious gases by improving engine injection pressure
It is flat.
It is universal with three new engine of state, traditional engine monitoring instrument integrated level, in terms of by
It fades in and reveals deficiency, traditional engine monitors the real-time of engine speed, oil temperature, oil pressure, water temperature etc. using a variety of instrument
State, connecting line is more after installation, and the engine after upgrading is controlled using CAN bus, just using conventional instrument
Fault message and the emm message etc. of engine can not be monitored.
Utility model content
The purpose of this utility model is that: it can not be using conventional instrument to engine event in order to solve the engine after upgrading
The problem of barrier information and emm message are monitored, the utility model provides a kind of CAN bus engine monitoring instrument.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of CAN bus engine monitoring instrument, including key operation module, display module, output module, CAN communication mould
Block, memory module and MCU control module；
Key operation module: it is responsible for inputting the dependent instruction that engine is run to MCU control module；
Display module: it is responsible for the related data information of display engine operation；
Output module: it is responsible for exporting control signal to engine, for controlling the start and stop of engine；
CAN communication module: the instruction for being responsible for receiving MCU control module is communicated with engine, is sent correlation to engine and is referred to
It enables, and the related data information for acquiring engine operation sends MCU control module to；
Memory module: it is responsible for fault message and the working time of storage engine；
MCU control module: it is responsible for control output module to engine and sends control signal, be responsible for the work of statistics engine
Time and service time, and the information counted is sent to memory module.
Further, the key operation module include the start-up and shut-down control module being electrically connected respectively with MCU control module and
Parameter setting module, the start-up and shut-down control module are used for the start-up and shut-down control signal to MCU control module output engine；The ginseng
Number setting module is used to send the dependent instruction of the operations such as engine speed set by user to MCU control module.
Further, the start-up and shut-down control module includes the knife-like switch QS being connected respectively with L1 phase, L2 phase and L3, starting
The key SB1 and SB2 that stops key, the specific connection of the start-up and shut-down control module are as follows:
Knife-like switch QS is connected separately with fuse group FU1 and fuse group FU2, and wherein fuse group FU1 includes three points
The fuse not being connected with L1 phase, L2 phase and L3, fuse group FU2 include two fusing being connected respectively with L1 phase and L2
Device, the one end SB2 that stops key are connect with the fuse for the fuse group FU2 being connected in L1 phase, the other end and start button SB1
Connection, the other end of start button SB1 are connected with contactor KM, the other end of contactor KM and the fuse being connected in L2 phase
The fuse connection of group FU2, the both ends of start button SB1 are parallel with the normally opened auxiliary contact KM2 of contactor KM, fuse group
Three fuses of FU1 are connected separately with the main contact KM1 of contactor KM, and main contact KM1 is connect with MCU control module.
Further, the parameter setting module includes the knob being electrically connected with MCU control module and several setting keys,
The knob is used to set the other parameters of engine operation for setting engine speed, several setting keys.
Further, the display module includes the single-chip microcontroller U1 of model AT89C51 and the liquid that connect with single-chip microcontroller U1
Crystalline substance shields LCD, and P1.0~P1.7 of the data bit D0~D7 of liquid crystal display LCD respectively with single-chip microcontroller U1 is correspondingly connected with.
Further, the CAN communication module includes the CAN controller U1 and model of model SJA1000
The CAN electrical level transferring chip U2 of AMIS42675, the specific connection of the CAN communication module are as follows:
Data bit AD0~AD7 of CAN controller U1 is connect with MCU controller module, the position the TX0 connection of CAN controller U1
There is the cathode of diode D1, the anode of diode D1 is connect with the position TXD of CAN electrical level transferring chip U2, CAN controller U1's
RX0 connect with the position RXD of CAN electrical level transferring chip U2, and the position Rs of CAN electrical level transferring chip U2 is connected with other end ground connection
The position CANH of resistance R1, CAN electrical level transferring chip U2 is connected with inductance L1, and the other end of inductance L1 is connected with resistance R2, resistance
The other end of R2 is connect by resistance R4 with 1 foot of interface P；The position CANL of CAN electrical level transferring chip U2 is connected with inductance L2, electricity
The other end of sense L2 is connected with resistance R3, and the other end of resistance R3 is connect with 2 feet of interface P and 3 feet, and resistance R2 and resistance
Bi-directional voltage stabilizing diode F is connected between R3.
The beneficial effects of the utility model are as follows:
1, the CAN bus engine monitoring instrument of the utility model can be realized the start-up and shut-down control of engine, by showing mould
Block intuitively shows engine monitoring information, emm message and fault message, and integrated level is high, improves the flexible for installation of monitor
Property.
2, the engine monitoring instrument of the utility model uses key control model, one-key start engine, compared to tradition
With the mode of key rotation starting, the operation is more convenient.
3, the engine monitoring instrument of the utility model can be adjusted by knob and be started in control engine working process
Machine revolving speed, power is stronger when making to start machine operation.
4, the utility model stores fault message and the working time of engine by memory module, it is convenient to engine into
Row monitoring maintenance.
Detailed description of the invention
Fig. 1 is the module connection diagram of the utility model.
Fig. 2 is the start-up and shut-down control module connection diagram of the utility model.
The overall structure diagram of the utility model engine monitoring instrument of Fig. 3.
Fig. 4 is the explosive view of Fig. 3.
Fig. 5 is the circuit diagram of the utility model CAN communication module.
Fig. 6 is the circuit diagram of the utility model display module.
Appended drawing reference: 1- knob；2- silica gel push-button；3-pcb key；4- face-piece；5- eyeglass；6- liquid crystal display；7- screen is solid
Determine frame；8-pcb mainboard；9-pcb connector；10- water proof ring；11- waterproof plug；12- bottom case；13- resilient cushion；14- fixed frame；
15- fixing screws.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of CAN bus engine monitoring instrument, including key operation module, display mould
Block, output module, CAN communication module, memory module and MCU control module；
Key operation module: it is responsible for inputting the dependent instruction that engine is run to MCU control module；
Display module: it is responsible for the related data information of display engine operation；
Output module: it is responsible for exporting control signal to engine, for controlling the start and stop of engine；
CAN communication module: the instruction for being responsible for receiving MCU control module is communicated with engine, is sent correlation to engine and is referred to
It enables, and the related data information for acquiring engine operation sends MCU control module to；
Memory module: it is responsible for fault message and the working time of storage engine；
MCU control module: it is responsible for control output module to engine and sends control signal, be responsible for the work of statistics engine
Time and service time, and the information counted is sent to memory module；
Expected engine speed is arranged by key operation module in operator in the present embodiment, and passes through display module
It shows expected tachometer value, expected rotating speed command is sent to engine by CAN communication module, and the present embodiment is by pressing
Key operation module controls the start and stop of engine, can one-key start engine, compared to tradition with key rotate start
Mode, the operation is more convenient；The present embodiment realizes the communication between MCU control module and engine by CAN communication module,
Integrated level is high, strong antijamming capability, shows the operation information of engine in display module, can intuitively show engine condition；
And the MCU control module of the present embodiment further includes SCM Based timer module, is counted and is sent out by the timer module
The runing time of motivation needs operator to pass through key operation module weight after engine accumulation operation reaches setting duration
New starting engine, it is ensured that engine can be safely operated.
Embodiment 2
The present embodiment advanced optimizes on the basis of embodiment 1, specifically:
It is illustrated in figure 3 the engine monitoring instrument main body of the present embodiment, as shown in figure 4, the engine monitoring instrument main body
It is patched including knob 1, silica gel push-button 2, pcb key 3, face-piece 4, eyeglass 5, liquid crystal display 6, screen fixed frame 7, pcb mainboard 8, pcb
Part 9, water proof ring 10, waterproof plug 11, bottom case 12, resilient cushion 13, fixed frame 14 and fixing screws 15, the silica gel push-button 2 and pcb
Key 3 is adapted, and cover is connected to outside pcb key 3, is facilitated button operation, is improved the key comfort level of operator, and can also
Dustproof and waterproof；
The display module, output module, CAN communication module, memory module and MCU control module are welded by scolding tin
In on pcb mainboard 8, the key operation module includes the start-up and shut-down control module and parameter being electrically connected respectively with MCU control module
Setting module, the start-up and shut-down control module are used for the start-up and shut-down control signal to MCU control module output engine；The parameter is set
Cover half block is used to send the dependent instruction of the operations such as engine speed set by user to MCU control module；
As shown in Fig. 2, the start-up and shut-down control module includes the knife-like switch QS being connected respectively with L1 phase, L2 phase and L3, opens
The dynamic key SB1 and SB2 that stops key, the specific connection of the start-up and shut-down control module are as follows:
Knife-like switch QS is connected separately with fuse group FU1 and fuse group FU2, and wherein fuse group FU1 includes three points
The fuse not being connected with L1 phase, L2 phase and L3, fuse group FU2 include two fusing being connected respectively with L1 phase and L2
Device, the one end SB2 that stops key are connect with the fuse for the fuse group FU2 being connected in L1 phase, the other end and start button SB1
Connection, the other end of start button SB1 are connected with contactor KM, the other end of contactor KM and the fuse being connected in L2 phase
The fuse connection of group FU2, the both ends of start button SB1 are parallel with the normally opened auxiliary contact KM2 of contactor KM, fuse group
Three fuses of FU1 are connected separately with the main contact KM1 of contactor KM, and main contact KM1 is connect with MCU control module；
The parameter setting module includes the knob 1 being electrically connected with MCU control module and several setting keys, the knob
1 for setting engine speed, and several setting keys are used to set the other parameters of engine operation.
The working principle of the start-up and shut-down control module of the present embodiment are as follows:
Start button SB1 is pressed, contactor KM coil is powered, the main contact KM1 of contactor KM and normally opened auxiliary contact KM2
Closure, MCU control module receive enabling signal, just control output module and export enabling signal, so that engine be made to operate；
When press stop key SB2 when, contactor KM coil losing electricity, the main contact KM1 of contactor KM and normally opened auxiliary touching
Head KM2 is disconnected, and MCU control module receives stop signal, is just controlled output module and is exported stop signal, so that engine be made to stop
Turn.
In the present embodiment, expected engine speed is arranged by knob 1 in operator, and in control engine operation
In the process, engine speed can be adjusted by knob, power is stronger when making to start machine operation.
Embodiment 3
The present embodiment advanced optimizes on the basis of embodiment 2, specifically:
As shown in fig. 6, the display module includes the single-chip microcontroller U1 of model AT89C51 and the liquid that connect with single-chip microcontroller U1
Crystalline substance shields LCD, and P1.0~P1.7 of the data bit D0~D7 of liquid crystal display LCD respectively with single-chip microcontroller U1 is correspondingly connected with；
The position RS of the liquid crystal display LCD, RW and E respectively with the position the P2.0/A8 of single-chip microcontroller U1, P2.1/A9 and
P2.2/A10 are correspondingly connected with, by single-chip microcontroller U1 control liquid crystal display LCD work, the position XTAL1 of the single-chip microcontroller U1 with
Crystal oscillator X2 is connected between XTAL2, the both ends of the crystal oscillator X2 are connected separately with capacitor C5 and capacitor C6, capacitor C5 and capacitor
The other end of C6 is grounded respectively；
The RST bit of the single-chip microcontroller U1 is connected separately with resistance R5 and capacitor C4, another termination supply voltage of resistance R5,
The other end of capacitor C4 is grounded；The position P3.0/RXD of the single-chip microcontroller U1 and P3.1/TXD connect with MCU control module；
The single-chip microcontroller U1 of the present embodiment receives the signal that MCU control module is sent, by 8 data bit by signal message
It is transmitted to liquid crystal display LCD, is displayed the information by liquid crystal display LCD, convenient intuitive display engine operation information.
Embodiment 4
The present embodiment advanced optimizes on the basis of embodiment 3, specifically:
As shown in figure 5, the CAN communication module includes the CAN controller U1 and model of model SJA1000
The CAN electrical level transferring chip U2 of AMIS42675, the specific connection of the CAN communication module are as follows:
Data bit AD0~AD7 of CAN controller U1 is connect with MCU controller module, the position the TX0 connection of CAN controller U1
There is the cathode of diode D1, the anode of diode D1 is connect with the position TXD of CAN electrical level transferring chip U2, CAN controller U1's
RX0 connect with the position RXD of CAN electrical level transferring chip U2, and the position Rs of CAN electrical level transferring chip U2 is connected with other end ground connection
The position CANH of resistance R1, CAN electrical level transferring chip U2 is connected with inductance L1, and the other end of inductance L1 is connected with resistance R2, resistance
The other end of R2 is connect by resistance R4 with 1 foot of interface P；The position CANL of CAN electrical level transferring chip U2 is connected with inductance L2, electricity
The other end of sense L2 is connected with resistance R3, and the other end of resistance R3 is connect with 2 feet of interface P and 3 feet, and resistance R2 and resistance
Bi-directional voltage stabilizing diode F is connected between R3；
The working principle of the CAN communication module of the present embodiment are as follows:
Data bit AD0~AD7 connection communication of MCU control module and CAN controller U1, passes through the TX0 of CAN controller U1
Position and RX0 realize with the transmission of the signal of CAN electrical level transferring chip U2, the position CANH of CAN electrical level transferring chip U2 with CANL
It is communicated with the interface P being connected in CAN bus, realizes the two-way communication with engine.
The present embodiment realizes the communication between MCU control module and engine by CAN communication module, and control engine turns
Speed and the message sent from engine of real time parsing, and by the message transmissions of parsing to MCU control module, MCU control module
By analyzing message, the fault message of engine is shown in display module, can intuitively show engine condition.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (6)
1. a kind of CAN bus engine monitoring instrument, it is characterised in that: including key operation module, display module, output module,
CAN communication module, memory module and MCU control module；
Key operation module: it is responsible for inputting the dependent instruction that engine is run to MCU control module；
Display module: it is responsible for the related data information of display engine operation；
Output module: it is responsible for exporting control signal to engine, for controlling the start and stop of engine；
CAN communication module: the instruction for being responsible for receiving MCU control module is communicated with engine, sends dependent instruction to engine, and
The related data information of acquisition engine operation sends MCU control module to；
Memory module: it is responsible for fault message and the working time of storage engine；
MCU control module: it is responsible for control output module to engine and sends control signal, be responsible for the working time of statistics engine
And service time, and the information counted is sent to memory module.
2. a kind of CAN bus engine monitoring instrument according to claim 1, it is characterised in that: the key operation module
Including the start-up and shut-down control module being electrically connected respectively with MCU control module and parameter setting module, the start-up and shut-down control module is used for
To the start-up and shut-down control signal of MCU control module output engine；The parameter setting module is used to send to MCU control module and use
The dependent instruction of the operations such as the engine speed of family setting.
3. a kind of CAN bus engine monitoring instrument according to claim 2, it is characterised in that: the start-up and shut-down control module
Including the knife-like switch QS, start button SB1 and the SB2 that stops key being connected respectively with L1 phase, L2 phase and L3, the start-up and shut-down control
The specific connection of module are as follows:
Knife-like switch QS is connected separately with fuse group FU1 and fuse group FU2, wherein fuse group FU1 include three respectively with
The fuse that L1 phase, L2 phase are connected with L3, fuse group FU2 include two fuses being connected respectively with L1 phase and L2,
The one end SB2 that stops key is connect with the fuse for the fuse group FU2 being connected in L1 phase, and the other end and start button SB1 connect
It connects, the other end of start button SB1 is connected with contactor KM, the other end of contactor KM and the fuse group being connected in L2 phase
The fuse of FU2 connects, and the both ends of start button SB1 are parallel with the normally opened auxiliary contact KM2 of contactor KM, fuse group FU1
Three fuses be connected separately with the main contact KM1 of contactor KM, main contact KM1 is connect with MCU control module.
4. a kind of CAN bus engine monitoring instrument according to claim 2, it is characterised in that: the parameter setting module
Including the knob and several setting keys being electrically connected with MCU control module, the knob is for setting engine speed, if described
Dry setting key is used to set the other parameters of engine operation.
5. a kind of CAN bus engine monitoring instrument according to claim 1, it is characterised in that: the display module includes
Data bit D0~D7 of the single-chip microcontroller U1 of model AT89C51 and the liquid crystal display LCD being connect with single-chip microcontroller U1, liquid crystal display LCD points
P1.0~P1.7 not with single-chip microcontroller U1 is correspondingly connected with.
6. a kind of CAN bus engine monitoring instrument according to claim 1, it is characterised in that: the CAN communication module packet
Include the CAN electrical level transferring chip U2 of the CAN controller U1 and model AMIS42675 of model SJA1000, the CAN communication
The specific connection of module are as follows:
Data bit AD0~AD7 of CAN controller U1 is connect with MCU controller module, and the position TX0 of CAN controller U1 is connected with two
The cathode of pole pipe D1, the anode of diode D1 are connect with the position TXD of CAN electrical level transferring chip U2, the position RX0 of CAN controller U1
It is connect with the position RXD of CAN electrical level transferring chip U2, the position Rs of CAN electrical level transferring chip U2 is connected with the resistance of other end ground connection
The position CANH of R1, CAN electrical level transferring chip U2 are connected with inductance L1, and the other end of inductance L1 is connected with resistance R2, resistance R2's
The other end is connect by resistance R4 with 1 foot of interface P；The position CANL of CAN electrical level transferring chip U2 is connected with inductance L2, inductance L2
The other end be connected with resistance R3, the other end of resistance R3 is connect with 2 feet of interface P and 3 feet, and resistance R2 and resistance R3 it
Between be connected with bi-directional voltage stabilizing diode F.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821228547.7U CN208763753U (en) | 2018-08-01 | 2018-08-01 | A kind of CAN bus engine monitoring instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821228547.7U CN208763753U (en) | 2018-08-01 | 2018-08-01 | A kind of CAN bus engine monitoring instrument |
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| CN208763753U true CN208763753U (en) | 2019-04-19 |
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| CN201821228547.7U Active CN208763753U (en) | 2018-08-01 | 2018-08-01 | A kind of CAN bus engine monitoring instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757175A (en) * | 2018-08-01 | 2018-11-06 | 郑州森鹏电子技术有限公司 | A kind of CAN bus engine monitoring instrument and its control method |
| CN113064371A (en) * | 2021-03-23 | 2021-07-02 | 博鼎汽车科技(山东)有限公司 | Ship engine heat management system controlled by monitor and implementation method thereof |
-
2018
- 2018-08-01 CN CN201821228547.7U patent/CN208763753U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757175A (en) * | 2018-08-01 | 2018-11-06 | 郑州森鹏电子技术有限公司 | A kind of CAN bus engine monitoring instrument and its control method |
| CN113064371A (en) * | 2021-03-23 | 2021-07-02 | 博鼎汽车科技(山东)有限公司 | Ship engine heat management system controlled by monitor and implementation method thereof |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 450000 building 15, No. 16, Jinzhan street, Zhengzhou high tech Industrial Development Zone, Henan Province Patentee after: Zhengzhou senpeng Electronic Technology Co.,Ltd. Address before: 450001 Building 1, No. 19 Jianlan Road, Zhengzhou high tech Industrial Development Zone, Henan Province Patentee before: ZHENGZHOU SENPENG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A CAN Bus Engine Monitor Effective date of registration: 20230911 Granted publication date: 20190419 Pledgee: Bank of Zhengzhou Co.,Ltd. Zhongyuan Science and Technology City Sub branch Pledgor: Zhengzhou senpeng Electronic Technology Co.,Ltd. Registration number: Y2023980055919 |