CN109297567A - A kind of engine failure long-distance monitorng device - Google Patents
A kind of engine failure long-distance monitorng device Download PDFInfo
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- CN109297567A CN109297567A CN201811096998.4A CN201811096998A CN109297567A CN 109297567 A CN109297567 A CN 109297567A CN 201811096998 A CN201811096998 A CN 201811096998A CN 109297567 A CN109297567 A CN 109297567A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Nonlinear Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to a kind of engine failure long-distance monitorng devices, belong to technical field of engines.Including signal acquisition module, control module, alarm module, display module and communication module, the signal acquisition module is connected with control module, alarm module, display module and communication module respectively；The signal acquisition module includes CAN bus input module and sensor module, and the input signal data of reading is carried out intelligent calculation process, output alarm signal, display signal and control signal；Alarm module is used to receive the warning note message of control module transmission, and warning note message is carried out warning note to driver or monitoring personnel；Warning note message is carried out warning note to remote monitoring terminal by communication module, and mobile phone sends instruction to engine failure long-distance monitorng device and is remotely controlled.It is only able to display the beneficial effects of the present invention are: solving several important parameters of conventional engines; it transfinites the shortcomings that cannot alarming; solves the unclear disadvantage of several indicating fault of conventional engines; solving the disadvantage that conventional engines internal fault code cannot show, not know be what failure; the present invention can use mobile phone remote engine, boot up, shut down, adjust the speed etc. and operate.
Description
Technical field
The present invention relates to a kind of engine failure long-distance monitorng devices, belong to technical field of engines.
Background technique
Existing diesel engine is widely used in engineering machinery, such as is built the road, bridge construction, tunneling,
Railway construction, transport load etc., and grow on trees its figure, as the main source of power, play one and its important
Role！When diesel engine is run at the construction field (site), it sometimes appear that failure, less serious case reduces the working efficiency of engine,
Sluggish project progress, severe one can damage engine, cause any property loss, it could even be possible to causing casualties, consequence is serious！
For current general diesel engine all without electronic monitoring device, state-of-the-art diesel engine also only only has " fault alarm
Lamp ", the failure dullness of instruction is without clear, the more not no function of remote alarms.The running important parameter of diesel engine, such as
" engine oil pressure ", " fuel liquid level ", " coolant temperature " etc. can only show do not have spacing alarm function on pointer instrument,
Can not timely teletransmission, be sent to related administrative staff, intelligent ability is obviously insufficient.
Summary of the invention
Place, the present invention provide a kind of engine failure long-distance monitorng device in order to overcome the above-mentioned deficiencies of the prior art,
The important parameter for receiving engine operation is sent to related administrative staff.
The present invention is achieved through the following technical solutions: a kind of engine failure long-distance monitorng device, it is characterised in that:
Including signal acquisition module, control module, alarm module, display module and communication module, the signal acquisition module difference
It is connected with control module, alarm module, display module and communication module；
The signal acquisition module includes CAN bus input module and sensor module, and CAN bus input module passes through CAN
Bus connects engine control system, reads engine speed in real time, reads the useful informations such as engine failure code, will acquire
Data transmission is to control module；The sensor module interception engine parameter analog quantity and on-off model, are turned by A/D
It changes and transfers data to control module；
The control module reads the input signal of CAN bus input module and sensing module, and the input of reading is believed
Number carries out intelligent calculation process, output alarm signal, display signal and control signal；
The alarm module is used to receive the warning note message of control module transmission, and by warning note message to driver
Member or monitoring personnel carry out warning note；
The display module for receive, the output information of display control module；
Warning note message is carried out warning note to remote monitoring terminal by the communication module.
It further include for providing the power module of power supply for entire engine failure long-distance monitorng device.
The control module is single-chip minimum system, and the single-chip minimum system is by single-chip microcontroller, power supply, crystal
Oscillator and reset circuit composition, the single-chip microcontroller use the high performance chips PIC18F45K80 of mcro-chip company.
The sensor module includes fuel liquid level sensor, hydraulic fluid temperature measurement sensor, Coolant-Level biography
Sensor and air filtering core clogging sensor.
The fuel liquid level sensor is the variable-resistance transducer of float-type, obtains combustion when the variation of liquid level full scale
Oil liquid position, display on the display module, are lower than setting value alarm；The hydraulic fluid temperature measurement sensor is negative temperature system
Several thermistors obtains hydraulic oil temperature angle value when the variation of temperature full scale, and display on the display module, is higher than setting value
Alarm；The cooling aqueous sensor is the probe extending into cooling water tank, reversed to input when anhydrous
End voltage is obtained by single-chip microcontroller, can be alarmed；The air filtering core clogging sensor is B/P EGR Back Pressure Transducer EGR, the negative pressure
Sensor is mounted in the pipeline on the inside of engine air air intake duct air filtering core, and after air filtering core blocking, air inlet is obstructed,
Occurs negative pressure in admission line, B/P EGR Back Pressure Transducer EGR output electric current becomes larger, and ohmically voltage becomes larger, this voltage is by Chip Microcomputer A/D
Mouth is read, and calculates negative pressure value, while this voltage enters comparator and is compared, once exceeded, comparator output voltage is by height
It is inverted to low (1--- > 0), signal is sent into single-chip microcontroller, alarms.
The display module includes LED bar graph display and LED headlight display, the LED bar graph display by
A piece of integrated circuit TM1637 and six common cathode LED charactrons compositions；TM1637 output end SEG ~ SEG8 passes through eight 200 Europe
Nurse resistance, is coupled with the anode of each LED light, and TM1637 output end GRID1 ~ GRID6 is directly connected to every group of LED light respectively
Common cathode, and two the signal input parts CLK and DIO of TM1637 are connected to the CLKU foot and DIOU foot of single-chip microcontroller, receive
The order of single-chip microcontroller shows the content of needs.
The LED headlight display is that six large-scale LED light are connected 200 Ohmic resistances respectively, is connected to power supply
The cathode of VCC, LED light are connected to single-chip microcontroller.
The alarm module includes buzzer and relay；Buzzer rings after the alarm module receive the alarm signal
It cries, nearby staff checks for prompting, while relay is attracted and drives bigger warning device or the related electric loop of cutting, stops
Only engine is run in spite of illness.
The communication module is GSM/GPRS/3G/4G/5G mobile module, and the communication module leads to alarm signal
GSM/GPRS/3G/4G/5G national communication public network is crossed, is sent on remote monitoring terminal, the remote monitoring terminal is hand
Machine, the mobile phone to engine failure long-distance monitorng device send instruction be remotely controlled, remote alarms, it is long-range to monitor.
The sensor module introduced from engine hydraulic oil level is low, engine oil pressure is low, charging stop instruction and liquid
Pressure oil filter core blockage alarm switch amount signal.
It is only able to display the beneficial effects of the present invention are: (1) solves several important parameters of conventional engines, transfiniting cannot report
Alert disadvantage.
(2) the unclear disadvantage of several indicating fault of conventional engines is solved.
(3) solving the disadvantage that conventional engines internal fault code cannot show, not know be what failure.
(4) present invention can by engine institute faulty teletransmission to specified mobile phone on, prompting the relevant personnel pay attention to.
(5) present invention can be with mobile phone in the place that national public communication network covers, telemotor, boot up,
The operations such as shutdown, speed regulation.
Detailed description of the invention
Below according to drawings and examples, the present invention is further described.
Fig. 1 is structural principle block diagram of the invention；
Fig. 2 is single-chip minimum system partial circuit diagram of the invention；
Fig. 3 is LED charactrons display circuit partial circuit diagram of the invention；
Fig. 4 is LED bar graph display part circuit diagram of the invention；
Fig. 5 is LED headlight display part circuit diagram of the invention；
Fig. 6 is CAN interface partial circuit diagram of the invention；
Fig. 7 is buzzer partial circuit diagram of the invention；
Fig. 8 is relay partial circuit diagram of the invention；
Fig. 9 is fuel liquid level sensor partial circuit diagram of the invention；
Figure 10 is hydraulic fluid temperature measurement partial circuit diagram of the invention；
Figure 11 is the low detection circuit figure of Coolant-Level of the invention；
Figure 12 is air filtering core jam detection circuit diagram of the invention；
Figure 13 is access and the photoelectric isolating circuit figure of engine alarm signal of the invention；
Figure 14 is power converting circuit figure of the invention；
Figure 15 is integrated circuit figure of the invention.
Specific embodiment
A kind of engine failure long-distance monitorng device as shown in Figure 1, it is characterised in that: including signal acquisition module, control
Molding block, alarm module, display module and communication module, the signal acquisition module respectively with control module, alarm module,
Display module is connected with communication module；
The signal acquisition module includes CAN bus input module and sensor module, and CAN bus input module passes through CAN
Bus connects engine control system, reads engine speed in real time, reads the useful informations such as engine failure code, will acquire
Data transmission is to control module；The sensor module interception engine parameter analog quantity and on-off model, are turned by A/D
It changes and transfers data to control module；
The control module reads the input signal of CAN bus input module and sensing module, and the input of reading is believed
Number carries out intelligent calculation process, output alarm signal, display signal and control signal；As shown in Figure 6 due to single-chip microcontroller
CAN driver is included in PIC18F45K80, so interface circuit only has the chip ADUM1201 of electromagnetic isolation and CAN bus to connect
Mouth chip PCA82C250, the anti-interference ability of system is improved with electromagnetic isolation chip ADUM1201, in output channel:
The input terminal VIB of ADUM1201 meets single-chip microcontroller CAN bus output end CANTX, its output end VOB connects PCA82C250's
TXD, when single-chip microcontroller has signal output, output is TTL signal (0V represents " 0 ", and 5V represents " 1 "), this signal is from monolithic
The end CANTX of machine exports, and reaches the end VIB of ADUM1201, exports by electromagnetic isolation in VOB, then reaches PCA82C250's
The end TXD, it is transformed, in the end CANH and CANL output difference signal, pass to outside；In input channel: external differential signal
It is inputted in CANH and CANL, is converted by PCA82C250, the end VIA of ADUM1201 is output at the end RXD, by electromagnetic isolation
It is handled at the end CANRX that the end VOA of ADUM1201 is output to single-chip microcontroller into single-chip microcontroller；
The alarm module is used to receive the warning note message of control module transmission, and by warning note message to driver
Member or monitoring personnel carry out warning note；
The display module for receive, the output information of display control module；
Warning note message is carried out warning note to remote monitoring terminal by the communication module.
It further include for providing the power module of power supply for entire engine failure long-distance monitorng device.
The control module is single-chip minimum system, as shown in Figure 2 the single-chip minimum system by single-chip microcontroller,
Power supply, crystal oscillator and reset circuit composition, the single-chip microcontroller use the high performance chips of mcro-chip company
PIC18F45K80；Power supply VCC connects in 28 feet, and ground wire connects in 29 feet, and 8MHz crystal oscillator connects in 30 feet and 32 feet, and reset circuit is by R37
Formed with C33, reset signal is connected to 18 feet of single-chip microcontroller by R32, and P7 is program downloading mouth, in addition to connect power supply, reset
Outside, 16 feet, 17 feet of single-chip microcontroller also to be connect.
The sensor module includes fuel liquid level sensor, hydraulic fluid temperature measurement sensor, Coolant-Level biography
Sensor and air filtering core clogging sensor.
The fuel liquid level sensor is the variable-resistance transducer of float-type, obtains combustion when the variation of liquid level full scale
Oil liquid position, resistance change between 0 ~ 180 ohm and the series connection of 240 Ohmic resistance after be connected to VCC (+5V) and ground
Between, the voltage taken out after two electric resistance partial pressures as shown in Figure 9 is filtered through C31, removal interference, and the AD analog quantity for being sent to single-chip microcontroller is defeated
Entrance, the 19th foot.It reads AD value and obtains fuel liquid level by sequential operation, be shown in bar-shaped LED display shown in Fig. 3
On, it is lower than setting value alarm；
The hydraulic fluid temperature measurement sensor is the thermistor R38 of negative temperature coefficient, when the variation of temperature full scale, resistance
Value changes between 560 ~ 50 ohm and a 750 Ohmic resistances series connection is connected between VCC (+5V) and ground later, such as Figure 10
The voltage taken out after shown two electric resistance partial pressures is filtered through C32, and removal interference is sent to the AD analog quantity input of single-chip microcontroller, the
20 feet.It reads AD value and obtains hydraulic oil temperature angle value by sequential operation, be shown on bar-shaped LED display shown in Fig. 3, it is high
It alarms in setting value；
The cooling aqueous sensor is the probe extending into cooling water tank, when having water, due to the electric conductivity of water,
It is smaller to the resistance value between grounding shell, and water level be lower than probe when, circuit path disconnect, resistance value approach infinity, this
Voltage signal after partial pressure, is then connected to the anti-of a comparator chip U7A by the resistance of one 200K ohm of probe series connection
To input terminal, the noninverting input of U7A is the fixed voltage 12V divided by R31 and R40, the 1 foot output of comparator U7A
Signal is connected to 24 foot of signal input part of single-chip microcontroller, and the noninverting input of comparator chip U7A as shown in figure 11 is fixed voltage
12V, reverse input end is 200K ohm of series connection water probes, and when having water, reverse input end voltage is lower than 12V, and U7A's is defeated
Voltage is+5V out, and when anhydrous, reverse input end voltage is higher than 12V, and the output voltage of U7A is 0V, this signal coverlet
Piece machine obtains, and can alarm；
The air filtering core clogging sensor is B/P EGR Back Pressure Transducer EGR, and B/P EGR Back Pressure Transducer EGR is mounted on engine air air intake duct air
In pipeline on the inside of filter core, range ability is 0 ~ -10KPa, and output is 4 ~ 20mA signal of two-wire system, this signal is passed through
R39(250 ohm) resistance, become 1 ~ 5V voltage, the AD mouth (21 foot) that this analog quantity voltage is sent into single-chip microcontroller is transformed into number
Word amount calculates negative pressure value, while the voltage enters comparator U7B and is compared with the partial pressure value of R46 and R56, by comparison result
It is sent into single-chip microcontroller (22 foot), as shown in figure 12: after air filtering core blocking, air inlet is obstructed, and occurs negative pressure, negative pressure in admission line
Current output sensor becomes larger, and the voltage on R39 becomes larger, this voltage is read by Chip Microcomputer A/D mouth, calculates negative pressure value, while this
A voltage enters comparator U7B and is compared with the partial pressure value of R46 and R56, once exceeded, comparator output voltage is from high to low
(1--- > 0) reversion, signal are also fed into single-chip microcontroller, the two comprehensive signals are alarmed.
The display module includes LED bar graph display and LED headlight display, the LED bar graph as shown in Figure 4
Display is made of a piece of integrated circuit TM1637 and six common cathode LED charactrons；TM1637 output end SEG ~ SEG8 passes through
Eight 200 Ohmic resistances, are coupled with the anode of each LED light, and TM1637 output end GRID1 ~ GRID6 is directly connected to respectively
The common cathode of every group of LED light, and two the signal input parts CLK and DIO of TM1637 be connected to single-chip microcontroller CLKU foot and
DIOU foot receives the order of single-chip microcontroller, shows the content of needs.
The LED headlight display is that six large-scale LED light are connected 200 Ohmic resistances respectively, is connected to power supply
VCC, the cathode of LED light are connected to 38 ~ 43 feet of single-chip microcontroller.
The alarm module includes buzzer and relay；Bee after alarm module receive the alarm signal as described in Figure 7
Ring device pipes, and nearby staff checks for prompting, and the 27th foot of single-chip microcontroller output control signal amplifies by Q1 triode, drives
Buzzer call, while relay is attracted the bigger warning device of drive or the related electric loop of cutting as shown in Figure 8, stops hair
Motivation is run in spite of illness, and the 26th foot of single-chip microcontroller output control signal amplifies by Q2 triode, drives relay line packet, relay
Contact externally export, D48 is freewheeling diode, and wraps both ends online, Absorption Line packet backward voltage for generating when disconnecting.
The sharp pulse in C20 and R26 Absorption Line packet circuit interferes, the sharp pulse interference of C23 and R24 absorption electric shock circuit.
The communication module is GSM/GPRS/3G/4G/5G mobile module, and the communication module leads to alarm signal
GSM/GPRS/3G/4G/5G national communication public network is crossed, is sent on remote monitoring terminal, the remote monitoring terminal is hand
Machine, the mobile phone sends instruction to engine failure long-distance monitorng device and is remotely controlled remote alarms, long-range to monitor；Connect mould
An only socket for block, other than ground wire and+5V power supply, as long as 2 lines, the RXD of module meets the TXD1 (44 of single-chip microcontroller
Foot), the TXD of module connects the RXD1 of single-chip microcontroller (1 foot)；
The sensor module introduced from engine hydraulic oil level is low, engine oil pressure is low, charging stop instruction and hydraulic oil
Filter core blockage alarm switch amount signal.+ 24V electricity is connected to as Figure 14 passes through 4K7 Ohmic resistance per the D+ of photoisolator all the way
Source, further through being grounded after 1K5 Ohmic resistance and 10uf capacitor parallel connection, D- is drawn by connector P10, and it is each to be connected to engine
The terminal of alarm signal, due to 1K5 ohm and the presence of 10uf capacitor, so that alarm signal is provided with preferable anti-interference energy
Power, general small interference are all absorbed by them, and only real alarm signal can open photoisolator.Photoisolator
The end TE ground connection, the end TC connects positive supply by 4K7, and the title that each end TC outputs signals to single-chip microcontroller is AL1, AL2, AL3,
AL4 is connected to the 8 of single-chip microcontroller, 9,14,15 feet.
The power supply that engine provides is+24V, very unstable, and is+5V used in internal circuit, needs a transformation steady
Volt circuit, as shown in figure 15, unstable+24V power supply introduce by P1, are isolated by D1, C4, L1, and the filtering of the elements such as C5 is arrived
Up to VR1 (K7805), this is a pressure stabilizing DC-DC module, is surely exported at+5V, using several capacitor filterings below, output+5V
Burning voltage, for internal circuit application, in addition, being carried out due to the jamproof demand of CAN bus to the power supply after electromagnetic isolation
Individual setting generates+5V power supply using DC-DC (U6) module and uses for the circuit after isolation.
Embodiments of the present invention make application method:
(1) bill of materials provided by schematic diagram, gets all all raw material, processing PCB printed circuit board and casing ready.
(2) all electronic original parts are welded on PCB printed circuit board according to first low rear high sequence, prevent rosin joint and company
Point checks errorless.
(3) program woven is downloaded to by P7 interface by the program storage of single-chip microcontroller using computer and programmable device
In.
(4) circuit board made is mounted in casing.
(5) it is powered to the present invention, is sent and instructed to the present invention using mobile phone, reception telephone number of the invention is set.
(6) followed by simulated experiment, four alarm input terminals of P10 are successively grounded respectively, optical viewer alarm
Instruction, buzzer call, can relay be attracted, and warning message is received on mobile phone.
(7) B/P EGR Back Pressure Transducer EGR is connected at P8 and gives gas negative pressure, optical viewer police instruction, buzzer call, after
Can electric appliance be attracted, and warning message is received on mobile phone.
(8) a 20K Ohmic resistance is connected at P9 to be then turned off, simulate water probe " water shortage " failure, optical viewer report
Alert instruction, buzzer call, can relay be attracted, and warning message is received on mobile phone.
(9) using computer and " serial ports turns CAN bus module ", fault code is sent to the present invention in P6 interface, observes this
Whether the error code for inventing display is correct, buzzer call, and can relay be attracted, and failure generation is received on mobile phone
Code.
(10) at R41 liquid level sensor connect 220 ohm of variable resistances, positive counter regulation it, observation bar shaped show
Whether the position that device is shown is qualified, after the minimum of setting, if alarms and sends mobile phone for warning message.
(11) at R38 temperature sensor connect 560 ohm of variable resistances, positive counter regulation it, observation bar shaped show
Whether the position that device is shown is qualified, after the minimum of setting, if alarms and sends mobile phone for warning message.
(12) information is sent to the present invention using mobile phone, after the present invention receives command information, exports control command, control hair
Motivation carries out related movement.
After above every debugging, production of the present invention can be completed.
Claims (10)
1. a kind of engine failure long-distance monitorng device, it is characterised in that: including signal acquisition module, control module, alarm mould
Block, display module and communication module, the signal acquisition module respectively with control module, alarm module, display module and logical
Module is interrogated to be connected；
The signal acquisition module includes CAN bus input module and sensor module, and CAN bus input module passes through CAN
Bus connects engine control system, reads engine speed in real time, reads the useful informations such as engine failure code, will acquire
Data transmission is to control module；The sensor module interception engine parameter analog quantity and on-off model, are turned by A/D
It changes and transfers data to control module；
The control module reads the input signal of CAN bus input module and sensing module, and the input of reading is believed
Number carries out intelligent calculation process, output alarm signal, display signal and control signal；
The alarm module is used to receive the warning note message of control module transmission, and by warning note message to driver
Member or monitoring personnel carry out warning note；
The display module for receive, the output information of display control module；
Warning note message is carried out warning note to remote monitoring terminal by the communication module.
2. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: further include for being whole
A engine failure long-distance monitorng device provides the power module of power supply.
3. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the control module
For single-chip minimum system, the single-chip minimum system is made of single-chip microcontroller, power supply, crystal oscillator and reset circuit,
The single-chip microcontroller uses the high performance chips PIC18F45K80 of mcro-chip company.
4. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the sensor die
Block includes fuel liquid level sensor, hydraulic fluid temperature measurement sensor, Coolant-Level sensor and air filtering core blocking sensing
Device.
5. a kind of engine failure long-distance monitorng device according to claim 4, it is characterised in that: the fuel liquid level
Sensor is the variable-resistance transducer of float-type, obtains fuel liquid level when the variation of liquid level full scale, is shown in display module
On, it is lower than setting value alarm；The hydraulic fluid temperature measurement sensor is the thermistor of negative temperature coefficient, when temperature is full
When range changes, hydraulic oil temperature angle value is obtained, display on the display module, is higher than setting value and alarms；The cooling aqueous passes
Sensor is the probe extending into cooling water tank, and when anhydrous, reverse input end voltage is obtained by single-chip microcontroller, i.e.,
It can alarm；The air filtering core clogging sensor is B/P EGR Back Pressure Transducer EGR, and the B/P EGR Back Pressure Transducer EGR is mounted on engine sky
In pipeline on the inside of gas air intake duct air filtering core, after air filtering core blocking, air inlet is obstructed, and occurs negative pressure in admission line,
B/P EGR Back Pressure Transducer EGR output electric current becomes larger, and ohmically voltage becomes larger, this voltage is read by Chip Microcomputer A/D mouth, calculates negative pressure value,
This voltage enters comparator and is compared simultaneously, once exceeded, comparator output voltage inverts from high to low (1--- > 0), letter
Number be sent into single-chip microcontroller, alarm.
6. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the display module
Including LED bar graph display and LED headlight display, the LED bar graph display is by a piece of integrated circuit TM1637 and six
Common cathode LED charactrons composition；TM1637 output end SEG ~ SEG8 is coupled with each by eight 200 Ohmic resistances
The anode of LED light, TM1637 output end GRID1 ~ GRID6 are directly connected to the common cathode of every group of LED light respectively, and TM1637
Two signal input parts CLK and DIO are connected to the CLKU foot and DIOU foot of single-chip microcontroller, receive the order of single-chip microcontroller, and display needs
Content.
7. a kind of engine failure long-distance monitorng device according to claim 6, it is characterised in that: the LED headlight
Display is that six large-scale LED light are connected 200 Ohmic resistances respectively, is connected to power supply VCC, the cathode of LED light is connected to list
Piece machine.
8. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the alarm module
Including buzzer and relay；Buzzer call after the alarm module receive the alarm signal, nearby staff looks into for prompting
It sees, while relay is attracted and drives bigger warning device or the related electric loop of cutting, stops engine and runs in spite of illness.
9. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the communication module
For GSM/GPRS/3G/4G/5G mobile module, alarm signal is passed through GSM/GPRS/3G/4G/5G country by the communication module
Public network is communicated, is sent on remote monitoring terminal, the remote monitoring terminal is mobile phone, and the mobile phone is to engine failure
Long-distance monitorng device send instruction be remotely controlled, remote alarms, it is long-range to monitor.
10. a kind of engine failure long-distance monitorng device according to claim 1, it is characterised in that: the sensor
Module introduced from engine hydraulic oil level is low, engine oil pressure is low, charging stop instruction and hydraulic oil filter core blockage alarm switch
Measure signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096998.4A CN109297567A (en) | 2018-09-20 | 2018-09-20 | A kind of engine failure long-distance monitorng device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096998.4A CN109297567A (en) | 2018-09-20 | 2018-09-20 | A kind of engine failure long-distance monitorng device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297567A true CN109297567A (en) | 2019-02-01 |
Family
ID=65163503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811096998.4A Pending CN109297567A (en) | 2018-09-20 | 2018-09-20 | A kind of engine failure long-distance monitorng device |
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| Country | Link |
|---|---|
| CN (1) | CN109297567A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567548A (en) * | 2019-10-11 | 2019-12-13 | 安徽恒泰电气科技股份有限公司 | Mining intelligent liquid level sensor |
| CN111422221A (en) * | 2020-03-25 | 2020-07-17 | 南京铁道职业技术学院 | Alarm message transmission system and method for self-powered high-speed rail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535116B1 (en) * | 2000-08-17 | 2003-03-18 | Joe Huayue Zhou | Wireless vehicle monitoring system |
| CN102331760A (en) * | 2011-07-15 | 2012-01-25 | 深圳市路畅科技有限公司 | Method and system for remotely diagnosing vehicle failure in real time |
| CN203397173U (en) * | 2013-07-03 | 2014-01-15 | 郑州众智科技股份有限公司 | Engine assembly remote monitoring system |
| CN205281301U (en) * | 2016-01-07 | 2016-06-01 | 济宁六合工程机械有限公司 | Photovoltaic board motor sweeper intellectualized supervisory control system |
| CN205787782U (en) * | 2016-06-30 | 2016-12-07 | 长安大学 | A kind of mobile spray vehicle real time remote cluster monitoring system |
-
2018
- 2018-09-20 CN CN201811096998.4A patent/CN109297567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535116B1 (en) * | 2000-08-17 | 2003-03-18 | Joe Huayue Zhou | Wireless vehicle monitoring system |
| CN102331760A (en) * | 2011-07-15 | 2012-01-25 | 深圳市路畅科技有限公司 | Method and system for remotely diagnosing vehicle failure in real time |
| CN203397173U (en) * | 2013-07-03 | 2014-01-15 | 郑州众智科技股份有限公司 | Engine assembly remote monitoring system |
| CN205281301U (en) * | 2016-01-07 | 2016-06-01 | 济宁六合工程机械有限公司 | Photovoltaic board motor sweeper intellectualized supervisory control system |
| CN205787782U (en) * | 2016-06-30 | 2016-12-07 | 长安大学 | A kind of mobile spray vehicle real time remote cluster monitoring system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567548A (en) * | 2019-10-11 | 2019-12-13 | 安徽恒泰电气科技股份有限公司 | Mining intelligent liquid level sensor |
| CN110567548B (en) * | 2019-10-11 | 2024-04-30 | 安徽恒泰电气科技股份有限公司 | Mining intelligent liquid level sensor |
| CN111422221A (en) * | 2020-03-25 | 2020-07-17 | 南京铁道职业技术学院 | Alarm message transmission system and method for self-powered high-speed rail |
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Application publication date: 20190201 |