CN105113569A - Intelligent color screen combined meter integrated with electronic accelerator control function - Google Patents
Intelligent color screen combined meter integrated with electronic accelerator control function Download PDFInfo
- Publication number
- CN105113569A CN105113569A CN201510316737.9A CN201510316737A CN105113569A CN 105113569 A CN105113569 A CN 105113569A CN 201510316737 A CN201510316737 A CN 201510316737A CN 105113569 A CN105113569 A CN 105113569A
- Authority
- CN
- China
- Prior art keywords
- circuit
- excavator
- control function
- master controller
- integrated electronic
- 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.)
- Pending
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention discloses an intelligent color screen combined meter integrated with an electronic accelerator control function. The intelligent color screen combined meter comprises a master controller, a signal acquisition circuit, a power processing and protecting circuit, a communication interface and a color liquid crystal screen, wherein the signal acquisition circuit, a power processing and protecting circuit, the communication interface and the color liquid crystal screen are connected with the master controller through signals. The intelligent color screen combined meter further comprises an integrated electronic accelerator module, and the integrated electronic accelerator module comprises an accelerator feedback signal processing circuit, an accelerator motor drive circuit and an accelerator rotary button potentiometer, the accelerator feedback signal processing circuit, the accelerator motor drive circuit and the accelerator rotary button potentiometer form a circulation loop, and the accelerator rotary button potentiometer is connected with the master controller. Because the electronic accelerator control function is integrated with the intelligent color screen combined meter, an accelerator of an excavator can be conveniently and flexibly operated and controlled, the control precision is higher, information displayed on the meter is more abundant by adopting a 5-inch TFT color liquid crystal display, and functions of the meter can be conveniently expanded.
Description
Technical field
The present invention relates to engineering mechanical instruments field, be specially a kind of excavator color screen Intelligent combined meter of integrated electronic Throttle Opening Control function.
Background technology
Along with the fast development of computer technology and modern electronic technology, the application of electron controls technology in engineering machinery is more and more general, conventional excavators throttle adjustment mode is all mechanical type bracing wire throttle mostly, because bracing wire throttle is directly connected with engine air throttle, usually when carrying out manual adjustments throttle by bracing wire, reaction is swift and violent, be difficult to precisely control, not only inconvenient operation, does not especially have auto idle speed function, make oil consumption high, discharge is large.In recent years, E-Gas control technology is day by day ripe, relative to traditional mechanical type bracing wire throttle, E-Gas have throttle position feedback, automatically regulate fuel delivery, throttle adjustment steadily, throttle mounting structure is compact, throttle operation is convenient, flexible, the Throttle Opening Control accurately advantage such as reliable, E-Gas will progressively replace traditional mechanical type bracing wire throttle.
And along with the raising of domestic excavator technical level, the generally application of electric-control diesel engine, E-Gas and vehicle GPS navigation system, excavator is more and more equipped with electronic type display device, this just determine excavator instrument must have displaying contents enrich, flexible operation, except showing its general work information, also tackle the display of the functions such as E-Gas control, need the function possessed by CAN and RS232 serial ports and the device talk such as motor, GPS navigation system simultaneously.Therefore develop the excavator color screen Intelligent combined meter of a integrated electronic Throttle Opening Control function, become research and development focus and the technological highlights of current construction machinery industry.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is the excavator color screen Intelligent combined meter providing a kind of integrated electronic Throttle Opening Control function, to solve the problem proposed in above-mentioned background technology.
The solution of the present invention is as follows: a kind of excavator color screen Intelligent combined meter of integrated electronic Throttle Opening Control function, comprise: master controller 1, and carry out with master controller the signal acquisition circuit that signal is connected, power supply process and protection circuit, communication interface and color LCD screen, it is characterized in that: described combination instrument also comprises integrated electronic throttle module, described integrated electronic throttle module comprises throttle feedback signal processing circuit, throttle motor-drive circuit and grip potentiometer, described throttle feedback signal processing circuit, throttle motor-drive circuit and described master controller form closed circuit, described grip potentiometer is connected with master controller.
Preferably, described signal acquisition circuit comprises on-off model Acquisition Circuit, collecting sensor signal circuit and tach signal Acquisition Circuit.
Preferably, described on-off model Acquisition Circuit mainly gathers the condition indicative signals such as air filter, engine oil pressure, preheating, guide switch, water temperature.
Preferably, described collecting sensor signal main circuit will gather water temperature sensor signal, hydraulic oil temperature sensor signal and fuel-quantity transducer signal.
Preferably, described tach signal Acquisition Circuit mainly gathers engine speed sensor signal.
Preferably; described power supply process and protection circuit comprise reverse-connection protection circuit and surge protection circuit; the input of described reverse-connection protection circuit is connected with the battery of excavator; the output of described reverse-connection protection circuit is connected with the input of surge protection circuit, and output and the master controller of described surge protection circuit carry out signal and be connected.
Preferably, described communication interface comprises and to carry out CAN communication interface that signal is connected and RS232 serial communication interface with master controller, described RS232 serial communication interface is connected with GPS terminal by GPS Communication Interface Converter, and described CAN communication interface is connected with BBG ECM.
Preferably, described master controller adopts the CortexM3 single-chip microcomputer of 32 ARM7 kernels.
Preferably, described color LCD screen is TFT color LCD screen, establishes FPGA color screen driver in described color LCD screen, and side is provided with USB and downloads mouth.
Preferably, described grip potentiometer is divided into 10 grades.
Beneficial effect of the present invention: compared with traditional mechanical type bracing wire throttle, the E-Gas controlling functions that excavator color screen Intelligent combined meter of the present invention is integrated, make the throttle operation for excavator control convenient, flexible, throttle mounting structure is compacter, Throttle Opening Control accuracy is higher, instrument operation is convenient, by force functional, reliability is high, the advantage that volume is little; And TFT colour liquid crystal display device during employing 5, instrument rich display information, full menu mode operation, Chinese and English two kinds display language, instrument function expansion is conveniently.
Accompanying drawing explanation
Fig. 1 is instrument face plate of the present invention and interface layout figure.
Fig. 2 is electrical system block diagram of the present invention.
Fig. 3 is power supply process of the present invention and protection circuit schematic diagram.
Fig. 4 is signal acquisition circuit schematic diagram of the present invention.
Fig. 5 is tach signal Acquisition Circuit schematic diagram of the present invention.
Fig. 6 is electronic throttle driving circuit schematic diagram of the present invention.
Fig. 7 is serial communication circuit schematic diagram of the present invention.
Fig. 8 is CAN communicating circuit schematic diagram of the present invention.
Fig. 9 is TFT colorized lcd display model schematic block circuit diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, Figure 2 with shown in Fig. 6; a kind of excavator color screen Intelligent combined meter of integrated electronic Throttle Opening Control function; comprise: master controller 1; and carry out signal acquisition circuit 2 that signal is connected, integrated electronic throttle module 3, power supply process and protection circuit 4, communication interface 5 and color LCD screen 6 with master controller 1; described integrated electronic throttle module 3 comprises throttle feedback signal processing circuit 31, throttle motor-drive circuit 32 and grip potentiometer 33
Described E-Gas feedback signal processing circuit 31, throttle motor-drive circuit 32 form closed circuit with described master controller 1, described grip potentiometer 33 is connected with master controller 1, by gear and the current residing position of throttle motor of the current reality of grip potentiometer 33 of master controller 1 Real-time Collection E-Gas, completed the accurate control of throttle by electronic throttle driving circuit 32, and by throttle feedback signal processing circuit 31, relevant signal information is transferred to master controller 1.Wherein grip potentiometer 33 and throttle motor position feedback signal are all resistance signals, and resistance is 0 ~ 5K Ω; Grip gear is divided into 10 grades, grip gear signal and throttle motor position feedback signal are before entering master controller A/D passage, through pull-up resistor dividing potential drop, the filtering of π type, current-limiting resistance current limliting, the process of voltage magnitude clamper, then the A/D input channel of master controller is connected to, master controller 1 is according to grip signal sampling result, obtain the current gear of grip, current gear number is presented in TFT LCD 6; Master controller 1 obtains the position of current throttle motor by motor position feedback signal sampled result, if the throttle target location that the current residing position of throttle motor and grip are selected is not inconsistent, then master controller sends instruction, control throttle motor-drive circuit, engine throttle is adjusted to target location.
As shown in Figure 4, Figure 5, described signal acquisition circuit 2 comprises on-off model Acquisition Circuit 21, collecting sensor signal circuit 22, tach signal Acquisition Circuit 23; The input of described signal acquisition circuit 2 is connected with excavator vehicle body sensor and electrical system, exports and is connected with the I/O mouth of master controller;
Wherein on-off model Acquisition Circuit 21 mainly gathers the condition indicative signals such as air filter, engine oil pressure, preheating, guide switch, water temperature, and master controller 1, in the mode of patterned bell character, color LCD screen 6 realizes fault alarm and state instruction;
Collecting sensor signal circuit 22 mainly gathers water temperature sensor signal, hydraulic oil temperature sensor signal and fuel-quantity transducer signal, each road sensor signal is all after pull-up resistor dividing potential drop, the filtering of π type, current-limiting resistance current limliting, the process of voltage magnitude clamper, be connected to the A/D passage of master controller, master controller is according to signal sampling result, color LCD screen 6 indicates in the mode of virtual mouse the Fuel Oil Remaining of current engine cooling water temperature, hydraulic fluid temperature and current fuel respectively, shows current hydraulic oil temperature value in the mode of numeral;
Tach signal Acquisition Circuit 23 mainly gathers engine speed sensor signal, and engine speed is presented on liquid crystal display by master controller in a digital manner;
As shown in Figure 3: described power supply process and protection circuit 4 comprise reverse-connection protection circuit 42 and surge protection circuit 43, the input of described reverse-connection protection circuit 42 is connected with the battery 41 of excavator, by the battery 41 of excavator for master controller and data signal provide power supply; The output of described reverse-connection protection circuit 42 is connected with the input of surge protection circuit 43, and the output of described surge protection circuit 43 carries out signal with master controller 1 and is connected.Described power supply process and protection circuit adopt big current, high back voltage rectifier diode 1N5410 carries out reverse power connection protection; Adopt high-power TVS to carry out surging signal to the power supply signal being input to instrument and absorb process, through+the 5V needed for DC-DC modular converter generation instrument and+3.3V power supply.
Described master controller adopts the CortexM3 single-chip microcomputer of 32-bitARM7 kernel, this single-chip microcomputer has the embedded SRAM of embedded FLASH, 64KB of kernel, the at most 512KB of 32,72MHz works dominant frequency, abundant I/O resource, 16 Channel 12-Bit high-speed a/ds, nearly 11 tunnel 16 bit timing devices, nearly 13 communication ports, include standard CAN 2.0B controller, is 32 single-chip microcomputers that current cost performance is the highest.
As shown in Figure 7, Figure 8: described communication interface 5 comprises and to carry out CAN communication interface 51 that signal is connected and RS232 serial communication interface 52 with master controller 1, described RS232 serial communication interface 52 is connected with GPS terminal by GPS Communication Interface Converter, and described CAN communication interface 51 is connected with BBG ECM.
As shown in Figure 9: described color LCD screen 6 is TFT color LCD screen, FPGA color screen driver is established in described color LCD screen 6, side is provided with USB and downloads mouth, whole picture resources needed for instrument interface display download mouth in the enterprising edlin of host computer, compiling, download by the USB that LCD MODULE carries, then be stored in the Flash of 1Gbit capacity, FPGA control chip realizes brush screen display.
Although give detailed description and explanation to the specific embodiment of the present invention above; but what should indicate is; we can carry out various equivalence according to conception of the present invention to above-mentioned embodiment and change and amendment; its function produced do not exceed that Figure of description contains yet spiritual time, all should within protection scope of the present invention.
Claims (10)
1. the excavator color screen Intelligent combined meter of an integrated electronic Throttle Opening Control function, comprise: master controller (1), and carry out with master controller (1) signal acquisition circuit (2) that signal is connected, power supply process and protection circuit (4), communication interface (5) and color LCD screen (6), it is characterized in that: described combination instrument also comprises integrated electronic throttle module (3), described integrated electronic throttle module (3) comprises throttle feedback signal processing circuit (31), throttle motor-drive circuit (32) and grip potentiometer (33), described throttle feedback signal processing circuit (31), throttle motor-drive circuit (32) and described master controller (1) form closed circuit, described grip potentiometer (33) is connected with master controller (1).
2. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 1, is characterized in that: described signal acquisition circuit (2) comprises on-off model Acquisition Circuit (21), collecting sensor signal circuit (22) and tach signal Acquisition Circuit (23).
3. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 2, is characterized in that: described on-off model Acquisition Circuit (21) mainly gathers the condition indicative signals such as air filter, engine oil pressure, preheating, guide switch, water temperature.
4. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 2, is characterized in that: described collecting sensor signal circuit (22) mainly gathers water temperature sensor signal, hydraulic oil temperature sensor signal and fuel-quantity transducer signal.
5. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 2, is characterized in that: described tach signal Acquisition Circuit (23) mainly gathers engine speed sensor signal.
6. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 1, it is characterized in that: described power supply process and protection circuit (4) comprise reverse-connection protection circuit (42) and surge protection circuit (43), the input of described reverse-connection protection circuit (42) is connected with the battery (41) of excavator, the output of described reverse-connection protection circuit (42) is connected with the input of surge protection circuit (43), the output of described surge protection circuit (43) carries out signal with master controller (1) and is connected.
7. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 1, it is characterized in that: described communication interface (5) comprises with master controller that (1 carries out CAN communication interface (51) that signal is connected and RS232 serial communication interface (52), described RS232 serial communication interface (52) is connected with GPS terminal by GPS Communication Interface Converter, and described CAN communication interface (51) is connected with BBG ECM.
8. according to the excavator color screen Intelligent combined meter of the arbitrary described a kind of integrated electronic Throttle Opening Control function of claim 1 to 5, it is characterized in that: described master controller (1) adopts the CortexM3 single-chip microcomputer of 32 ARM7 kernels.
9. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 1, it is characterized in that: described color LCD screen (6) is TFT color LCD screen, establish FPGA color screen driver in described color LCD screen (6), side is provided with USB and downloads mouth.
10. the excavator color screen Intelligent combined meter of a kind of integrated electronic Throttle Opening Control function according to claim 1, is characterized in that: described grip potentiometer (33) is divided into 10 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316737.9A CN105113569A (en) | 2015-06-08 | 2015-06-08 | Intelligent color screen combined meter integrated with electronic accelerator control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316737.9A CN105113569A (en) | 2015-06-08 | 2015-06-08 | Intelligent color screen combined meter integrated with electronic accelerator control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105113569A true CN105113569A (en) | 2015-12-02 |
Family
ID=54661661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510316737.9A Pending CN105113569A (en) | 2015-06-08 | 2015-06-08 | Intelligent color screen combined meter integrated with electronic accelerator control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105113569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780459A (en) * | 2017-11-10 | 2018-03-09 | 柳工常州机械有限公司 | A kind of earth mover instrument |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147206A (en) * | 1990-12-31 | 1992-09-15 | Golenski Stephen S | Computerized system for training engine maintenance personnel |
| US5278508A (en) * | 1992-05-29 | 1994-01-11 | Bowman Robert M | Diagnostic apparatus displaying engine operating characteristics in the parameters in which the characteristics are measured |
| US6351692B1 (en) * | 2000-10-24 | 2002-02-26 | Kohler Co. | Method and apparatus for configuring a genset controller for operation with particular gensets |
| CN201896327U (en) * | 2009-12-29 | 2011-07-13 | 苍山县科能科技电子有限公司 | Novel computer color screen monitor of digger |
| CN102129807A (en) * | 2011-01-18 | 2011-07-20 | 山东交通学院 | Experimental device for electronic power optimizing control system of excavator |
| CN103527327A (en) * | 2013-10-15 | 2014-01-22 | 陕西盛迈石油有限公司 | Mini-excavator electronic throttle control system |
| CN103954467A (en) * | 2014-05-12 | 2014-07-30 | 青岛雷沃挖掘机有限公司 | Fault detector of excavator |
| CN205000393U (en) * | 2015-06-08 | 2016-01-27 | 合肥协力仪表控制技术股份有限公司 | Excavator color screen intelligence combination meter of integrated electron throttle control function |
-
2015
- 2015-06-08 CN CN201510316737.9A patent/CN105113569A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147206A (en) * | 1990-12-31 | 1992-09-15 | Golenski Stephen S | Computerized system for training engine maintenance personnel |
| US5278508A (en) * | 1992-05-29 | 1994-01-11 | Bowman Robert M | Diagnostic apparatus displaying engine operating characteristics in the parameters in which the characteristics are measured |
| US6351692B1 (en) * | 2000-10-24 | 2002-02-26 | Kohler Co. | Method and apparatus for configuring a genset controller for operation with particular gensets |
| CN201896327U (en) * | 2009-12-29 | 2011-07-13 | 苍山县科能科技电子有限公司 | Novel computer color screen monitor of digger |
| CN102129807A (en) * | 2011-01-18 | 2011-07-20 | 山东交通学院 | Experimental device for electronic power optimizing control system of excavator |
| CN103527327A (en) * | 2013-10-15 | 2014-01-22 | 陕西盛迈石油有限公司 | Mini-excavator electronic throttle control system |
| CN103954467A (en) * | 2014-05-12 | 2014-07-30 | 青岛雷沃挖掘机有限公司 | Fault detector of excavator |
| CN205000393U (en) * | 2015-06-08 | 2016-01-27 | 合肥协力仪表控制技术股份有限公司 | Excavator color screen intelligence combination meter of integrated electron throttle control function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780459A (en) * | 2017-11-10 | 2018-03-09 | 柳工常州机械有限公司 | A kind of earth mover instrument |
| CN107780459B (en) * | 2017-11-10 | 2024-02-02 | 柳工常州机械有限公司 | Novel bulldozer instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205113028U (en) | Based on an zhuo and virtual dash board of CAN bus | |
| CN202975802U (en) | Engineering vehicle-mounted controller smart test system based on STM32 processor | |
| CN205000393U (en) | Excavator color screen intelligence combination meter of integrated electron throttle control function | |
| CN207516824U (en) | The OBD circuits of vehicle-mounted head-up display | |
| CN106774239A (en) | A kind of Portable engineering vehicle vehicle-mounted ECU detection means | |
| CN103174186B (en) | Monitoring device and monitoring method of excavator and excavator | |
| CN105113569A (en) | Intelligent color screen combined meter integrated with electronic accelerator control function | |
| CN201369153Y (en) | Special multifunctional display for engineering machinery | |
| CN206135675U (en) | Digital steering engine | |
| CN203213181U (en) | Fuel gas power hydraulic excavator electric control device | |
| CN204116949U (en) | The proving installation of water pump controller | |
| CN107819414A (en) | A kind of voltage-controlled system of deep sea environment simulation device | |
| CN203134173U (en) | Automobile sensor signal simulation training device | |
| CN208607808U (en) | Subway vehicle ATO simulation experiment device | |
| CN201194024Y (en) | A battery power detection device | |
| CN202243023U (en) | Double-shaft stepping motor type car combined instrument | |
| CN201816465U (en) | Motormeter based on high-speed eight-bit single-chip microcomputer | |
| CN202900429U (en) | Energy-saving working condition regulation device for automobile engine | |
| CN200992718Y (en) | Excavator monitor | |
| CN202746015U (en) | Multifunctional adjustable rotating speed alarm timing control meter | |
| CN203838572U (en) | Control and acquisition module for rotating speed of airplane automatic throttle execution motor | |
| CN201886302U (en) | Intelligent instrument panel interface circuit of electric automobile | |
| CN203022053U (en) | Excavator instrument control and display system based on single chip microcomputer technology | |
| CN202305551U (en) | Engine speed signal instrument for complete vehicle test | |
| CN207452990U (en) | A kind of earth mover instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151202 |
|
| WD01 | Invention patent application deemed withdrawn after publication |