CN204347538U - Based on marine diesel engine supervising device - Google Patents
Based on marine diesel engine supervising device Download PDFInfo
- Publication number
- CN204347538U CN204347538U CN201520043831.7U CN201520043831U CN204347538U CN 204347538 U CN204347538 U CN 204347538U CN 201520043831 U CN201520043831 U CN 201520043831U CN 204347538 U CN204347538 U CN 204347538U
- Authority
- CN
- China
- Prior art keywords
- control system
- master control
- speed
- diesel engine
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model design is core based on marine diesel engine supervising device with ARM microcontroller (LPC2124), and this device can real-time data collection, and controls in real time, thus guarantees that machine is normal, safe handling.This device comprises master control system, and the power module be connected with master control system respectively, speed detect circuit, A/D change-over circuit and touch-screen, and described speed detect circuit comprises the first speed detect circuit and the second tachometric survey circuit; First speed detect circuit is connected with diesel engine speed survey sensor, delivers to master control system by after diesel engine speed signal transacting; Second speed detect circuit is connected with turbocharger speed sensor, delivers to master control system by after supercharger speed signal transacting; Described A/D change-over circuit comprises multichannel, and every road A/D change-over circuit connects a road temperature sensor or a road pressure transducer is connected, and the pressure after conversion or temperature signal are delivered to master control system.
Description
technical field:
The utility model relates to a kind of marine diesel engine supervising device controlled based on ARM microcontroller (LPC2124) and touch-screen, belongs to diesel engine control field.
background technology:
China's marine diesel mainly adopts position model oil supply system, and electric-control system is based on electronic governing system, and system components function is separate, lacks unified centralized control, therefore constrains the optimization of diesel engine performance.
summary of the invention:
The utility model is for the deficiency of current marine diesel control system, and the centralized control system that to design with ARM microcontroller (LPC2124) be core, this system can real-time data collection, and controls in real time, thus guarantees that machine is normal, safe handling.
Concrete technical scheme of the present utility model is as follows:
A kind of based on marine diesel engine supervising device, comprise master control system, and the power module be connected with master control system respectively, speed detect circuit, A/D change-over circuit and touch-screen, described speed detect circuit comprises the first speed detect circuit and the second tachometric survey circuit; First speed detect circuit is connected with diesel engine speed survey sensor, delivers to master control system by after diesel engine speed signal transacting; Second speed detect circuit is connected with turbocharger speed sensor, delivers to master control system by after supercharger speed signal transacting; Described A/D change-over circuit comprises multichannel, and every road A/D change-over circuit connects a road temperature sensor or a road pressure transducer is connected, and the pressure after conversion or temperature signal are delivered to master control system.
Further design of the present utility model is:
First speed detect circuit is identical with the second tachometric survey circuit design, forms primarily of optical coupling isolator (2501), counter (12 digit counter CD4040) and latch (74HC245).Tach signal accesses the input end of 12 digit counter CD4040 after 2501 optical coupling isolators, the A mouth of 8 (12 high 4 need not) tach signal access 74HC245 latchs exported latches, the parallel transmission of the existing rotary speed data of I/O cause for gossip of the B mouth access master control system LPC2124 of 74HC245.
Touch-screen is divided into local and remote two parts, and local touch-screen and remote touch shield and adopt RS485 to realize 1 with master control system to be connected 2, and local, remote touch screen all adopts RS485 communication mode.
Master control system adopts LPC2124 chip; Multi-channel A/D change-over circuit all adopts TLC1543 analog-to-digital conversion module; PT100 three-wire type temperature sensor selected by temperature sensor.The rotating speed digital signal of measurement is changed into the voltage signal of corresponding 0 ~ 10V by analog to digital conversion circuit.
the utility model has following beneficial effect:
1. the utility model is for prior art Problems existing, and the utility model plays the advantage of the system integration, makes the steady operation of diesel engine.Therefore, the utility model can give full play to the performance of diesel engine, effectively ensures the security of operation of diesel engine.
2. the utility model adopts electronic concentrated control system, and the various parameters of Real-Time Monitoring marine diesel engine, take appropriate measures to carry out control, guarantee the normal operation of machine.
3. touch screen design is succinctly attractive in appearance, and performance is convenient and reliable.
4. the utility model is easy for installation, moderate, is widely used, and has good economic benefit.
accompanying drawing illustrates:
Fig. 1 is the utility model system block diagram.
Fig. 2 master control system wiring diagram of the present utility model.
Fig. 3 RS485 telecommunication circuit of the present utility model.
Fig. 4 tachometer circuit of the present utility model.
embodiment:
Of the present utility model based on marine diesel engine supervising device, comprise master control system, power module, speed detect circuit, A/D change-over circuit and touch-screen.Power module is that master control system is powered.Speed detect circuit comprises the first speed detect circuit and the second tachometric survey circuit; First speed detect circuit is connected with diesel engine speed survey sensor; Second speed detect circuit is connected with turbocharger speed sensor.A/D change-over circuit comprises multichannel, and every road A/D change-over circuit connects a road temperature sensor or a road pressure transducer is connected, and the pressure after conversion or temperature signal are delivered to master control system.
First speed detect circuit is identical with the second tachometric survey circuit design, forms primarily of optical coupling isolator (2501), counter (12 digit counter CD4040) and latch (74HC245).Tach signal accesses the input end of 12 digit counter CD4040 after 2501 optical coupling isolators, the A mouth of 8 (12 high 4 need not) tach signal access 74HC245 latchs exported latches, the parallel transmission of the existing rotary speed data of I/O cause for gossip of the B mouth access master control system LPC2124 of 74HC245.
Touch-screen is divided into local and remote two parts, and local touch-screen and remote touch shield and adopt RS485 to realize 1 with master control system to be connected 2, and local, remote touch screen all adopts RS485 communication mode.
Master control system adopts LPC2124 chip; Multi-channel A/D change-over circuit all adopts TLC1543 analog-to-digital conversion module; PT100 three-wire type temperature sensor selected by temperature sensor.The rotating speed digital signal of measurement is changed into the voltage signal of corresponding 0 ~ 10V by analog to digital conversion circuit.
in the utility model, each several part specifically describes as follows:
1. master control system
The utility model master control system adopts the LPC2124 chip of NXP series to be main control chip, has the A/D on 9 tunnels to change in system, and therefore the utility model is economize on resources to select the additional 11 road A/D conversion chip TLC1543 of LPC2124 of 64 pin encapsulation.In master control system, X101 is that system extension mouth is connected on TXD and RXD0 of LPC2124, and realization and other one piece of control panel directly expand connection.U11 is IIC storage chip, stores related data when occurring to report to the police.During actual practicality, correct for guaranteeing that IIC communicates, the pull-up resistor of 4.7K need be connect at SDA and SCL bipod.
2. RS485 telecommunication circuit
The display control section of master control system adopts touch-screen.Touch-screen is divided into local and remote two parts.Touch-screen mainly Presentation Function in remote monitoring room, when the machine touch-screen works, the conductively-closed of remote touch screen operating function.For simplicity of design is unified, local and remote touch-screen controls all to adopt RS485 to drive, and driving isolation circuit as shown in Figure 3.The P0.9 pin of LPC2124 in RXD map interlinking 2 in Fig. 3, the P0.8 pin of LPC2124 in TXD map interlinking 2.TXD, RXD signal is connected to the X100 of Fig. 3 after the isolation of circuit shown in Fig. 3, realizes the communication of RS485 and LPC2124.
3. speedcircuit
Need in system to detect two-way tach signal: the rotating speed of diesel engine and supercharger speed, two-way speed detect circuit is identical.Here a road tachometric survey circuit is only introduced.Diesel engine tachometric survey scope is 0 ~ 1200 rev/min, and the count pulse often turned is 253.The rotating speed of supercharger controls same diesel speed control.As shown in Figure 4, tach signal gets involved the signal input part of timer CD4040 to rotary speed of diesel engine metering circuit after optocoupler, and RESET end is connected to the P0.12 pin of LPC2124, and the Q9 pin of CD4040 is connected to the interruption 2(INT2 of LPC2124).
4. thermometric, pressure measurement circuit and A/D change-over circuit
really novel 3.Temperature measurement circuit comprises5 road temperature signal collections and 4 road gaseous tension signals collecting, totally 9 analog to digital conversion signals.Temperature signal adopts the PT100 temperature sensor measurement of WIKA, and air pressure signal selects the A-10 series pressure sensor of WIKA, and this series sensor has the wiring standards such as three lines, two wires, has 0 ~ 10V voltage to export and the output of 4 ~ 20ma electric current.The temperature measured is in 0 ~ 1250C scope, and precision is 0.50C, and resolution is
, i.e. 8 bit A/D converters.Pressure survey is as the same.Because LPC2124 only has at most 10,8 tunnel AD conversion interface, therefore select in system that there is the analog-to-digital TLC1543 chip in 10,11 tunnel and realize, in figure, marked 1# ~ 8#A/D modular converter.TLC1543 is that serial date transfer exports, and when carrying out AD conversion, is first carried out 4 bit port address number of AD conversion by address mouth write.After EOC, then read the data of conversion by the data output serial of AD conversion.
Claims (4)
1. one kind based on marine diesel engine supervising device, it is characterized in that: comprise master control system, and the power module be connected with master control system respectively, speed detect circuit, A/D change-over circuit and touch-screen, described speed detect circuit comprises the first speed detect circuit and the second tachometric survey circuit; First speed detect circuit is connected with diesel engine speed survey sensor, delivers to master control system by after diesel engine speed signal transacting; Second speed detect circuit is connected with turbocharger speed sensor, delivers to master control system by after supercharger speed signal transacting; Described A/D change-over circuit comprises multichannel, and every road A/D change-over circuit connects a road temperature sensor or a road pressure transducer, and the pressure after conversion or temperature signal are delivered to master control system.
2. according to claim 1 based on marine diesel engine supervising device, it is characterized in that: the first speed detect circuit is identical with the second tachometric survey circuit design, form primarily of optical coupling isolator, counter and latch.
3. according to claim 1 or 2 based on marine diesel engine supervising device, it is characterized in that: touch-screen is divided into local and remote two parts, local touch-screen and remote touch shields and adopt RS485 to realize 1 with master control system to be connected 2, and all employing RS485 communication modes are shielded in this locality, remote touch.
4. according to claim 3 based on marine diesel engine supervising device, it is characterized in that: master control system adopts LPC2124 chip; Multi-channel A/D change-over circuit all adopts TLC1543 analog-to-digital conversion module; PT100 three-wire type temperature sensor selected by temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043831.7U CN204347538U (en) | 2015-01-21 | 2015-01-21 | Based on marine diesel engine supervising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043831.7U CN204347538U (en) | 2015-01-21 | 2015-01-21 | Based on marine diesel engine supervising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347538U true CN204347538U (en) | 2015-05-20 |
Family
ID=53230796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520043831.7U Expired - Fee Related CN204347538U (en) | 2015-01-21 | 2015-01-21 | Based on marine diesel engine supervising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186676A (en) * | 2018-09-26 | 2019-01-11 | 王大双 | A kind of portable boat engine temperature pressure sensing instruments |
| 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 |
-
2015
- 2015-01-21 CN CN201520043831.7U patent/CN204347538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186676A (en) * | 2018-09-26 | 2019-01-11 | 王大双 | A kind of portable boat engine temperature pressure sensing instruments |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204304613U (en) | II type electric energy efficiency office terminal and system | |
| CN204514991U (en) | A kind of intelligent electric meter | |
| CN101408553B (en) | Rotary peed-measuring and frequency outputting device | |
| CN204347538U (en) | Based on marine diesel engine supervising device | |
| CN201110787Y (en) | Multiplex high precision temperature collecting device | |
| CN105259841B (en) | A kind of industrial many reference amounts data acquisition unit | |
| CN204272021U (en) | Multichannel light photovoltaic assembly energy output test data collection system | |
| CN104267312B (en) | A kind of embedded traveling wave ranging device based on LVDS high-speed sampling | |
| CN203658382U (en) | Photoelectric rotation speed measurement instrument | |
| CN2921785Y (en) | Rotary displacement transducer | |
| CN201152972Y (en) | High-performance intelligent M-module-based VXI bus test module | |
| CN205642648U (en) | Multichannel temperature test takes notes appearance | |
| CN202886003U (en) | Intelligent multichannel temperature collection instrument | |
| CN202975642U (en) | Architectural energy consumption data acquisition device | |
| CN202693680U (en) | M-BUS three-phase electronic type electric energy meter | |
| CN203759084U (en) | Multi-communication mode electric power meter | |
| CN204993137U (en) | Step motor control system based on DSP | |
| CN209912127U (en) | Based on NB-IOT thing networking measurement transmission device | |
| CN202103909U (en) | Automatic luminaire photometric characteristic monitoring device with Modbus communication function | |
| CN204304614U (en) | I type electric energy efficiency office terminal and system | |
| CN201188108Y (en) | Detector with network interface for wind direction and wind speed | |
| CN203164398U (en) | Multi-way selection and analog-to-digital conversion circuit of five-point-position three-dimensional magnetic field measuring device | |
| CN202974475U (en) | Storage battery temperature measuring equipment | |
| CN202018590U (en) | Gas-well front-end integrated control platform | |
| CN202350951U (en) | System for ground temperature observation in cold areas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |