CN104816688A - Bus throttle and control method thereof - Google Patents

Bus throttle and control method thereof Download PDF

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Publication number
CN104816688A
CN104816688A CN201510195195.4A CN201510195195A CN104816688A CN 104816688 A CN104816688 A CN 104816688A CN 201510195195 A CN201510195195 A CN 201510195195A CN 104816688 A CN104816688 A CN 104816688A
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CN
China
Prior art keywords
throttle
master controller
engine
gas
bus
Prior art date
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Granted
Application number
CN201510195195.4A
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Chinese (zh)
Other versions
CN104816688B (en
Inventor
张海燕
曹广志
孙亚男
戚成亮
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Xuzhou Heavy Machinery Co Ltd
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Xuzhou Heavy Machinery Co Ltd
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Priority to CN201510195195.4A priority Critical patent/CN104816688B/en
Publication of CN104816688A publication Critical patent/CN104816688A/en
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Publication of CN104816688B publication Critical patent/CN104816688B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D29/00Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers

Abstract

The invention discloses a bus throttle and a control method thereof. The bus throttle comprises an electronic throttle, an engine ECU, a main controller and a wireless remote-control device, wherein the CAN line of the engine ECU, the CAN line of the main controller, and the CAN line of the wireless remote-control device are connected in parallel to a CAN 1939 bus, and an engine controller and the main controller perform signal communications through the CAN bus; after converted by a U/I isolation amplifier, the output signals of the electronic throttle enter the main controller. The invention further discloses a control method based on the bus throttle. According to the control method disclosed by the invention, the electronic throttle of analog quantity is converted into the bus throttle, under the conditions that the wireless remote-control device is adopted and any engine is configured, the electronic throttle and the wireless throttle can respectively and normally work.

Description

A kind of bus throttle and control method thereof
Technical field
The present invention relates to a kind of throttle, especially relate to a kind of bus throttle and control method thereof.
Background technology
The foot throttle that current hoisting crane uses is generally E-gas, is monitored the position of Das Gaspedal by the displacement pickup of Das Gaspedal inside at any time.When operating personal needs acceleration to step on the throttle, the signal of perception is converted into the analog quantity voltage signal of 0 ~ 5V by pedal position sensor, by cable by signal transmission to Engine ECU.ECU sends instruction to drive motor after judging process, and drive motor drives throttle execution mechanism, thus controls the rotating speed of driving engine.Data bus is responsible for the communication between Engine ECU and system controller.
For realizing the distance control under complex environment, crane facility starts to adopt wireless remote-control system.Wireless remote-control system carries out communication by CAN and system controller.At present, the driving engine that hoisting crane generally adopts is if VOLVO driving engine is when not reprogramming, the same time period can only support the one in analog electric signal or CAN signal, when realizing the effect of wireless remote control throttle, then foot throttle is inoperative, can not realize wireless remote control throttle and foot throttle all can use.
Summary of the invention
For solving the deficiencies in the prior art, the object of the invention is to, a kind of bus throttle and control method thereof are provided, convert the E-gas of analog quantity to bus throttle, at employing wireless remote controller and when configuring any driving engine, E-gas and wireless throttle all can normally work.
Technical scheme of the present invention is: a kind of bus throttle, comprise E-gas, Engine ECU, master controller and wireless remote controller, it is characterized in that, the CAN line of the CAN line of described Engine ECU, the CAN line of master controller and wireless remote controller also accesses CAN1939 bus, described engine controller and master controller carry out signal and communication by CAN, the output signal of described E-gas through the conversion of U/I isolated amplifier laggard enter master controller.
Further, also comprise E-gas zeroing panel, described E-gas zeroing panel is provided with idle speed value and arranges button and maximum speed value arranges button.
A control method for bus throttle, is characterized in that, comprises the following steps:
(1) when radio remote control switch disconnects, the rotating speed of driving engine is controlled by E-gas, during first use, E-gas panel returns to zero, sensor detects Das Gaspedal height and position, voltage signal is converted to the analog input port of current signal access master controller by E-gas through U/I isolated amplifier, master controller is by after signal transacting, Engine ECU is sent to by CAN, Engine ECU sends instruction to drive motor after judging process, and motor drives the rotating speed of throttle control driving engine;
(2) when radio remote control switch is pressed, the rotating speed of driving engine is by the wireless Throttle Opening Control on wireless remote controller, sensor detects wireless Oil Switch position, the signal of wireless throttle is sent to master controller by CAN by wireless remote controller, master controller is by after signal transacting, be sent to Engine ECU by CAN, Engine ECU sends instruction to drive motor after judging process, and controls the rotating speed of driving engine.
Further, 0 ~ 5V voltage signal is converted to the current signal of 4 ~ 20mA by described E-gas through U/I isolated amplifier.
Further, described master controller receives current signal, is converted into corresponding rotating speed, then the rotating speed size of correspondence is sent to Engine ECU by CAN with the form of address.
Further, the process of described E-gas panel zeroing is:
(1) in interface, select idle speed value that button is set, not step on the accelerator, the idling numerical value of input engine calls, master controller using the throttle analog signals value that receives as throttle zero point, process as calculated, carry out communication with Engine ECU, the idle speed value of accurate driving engine is set numerical value;
(2) in interface, select maximum speed value that button is set, throttle is floored, the maximum speed value of input engine calls, master controller using the throttle analog signals value that receives as throttle maximum point, process as calculated, carry out communication with Engine ECU, the maximum speed value of accurate driving engine is set numerical value.
The beneficial effect that the present invention reaches:
(1) convert the E-gas of analog quantity to bus throttle, at employing wireless remote controller and when configuring any driving engine, E-gas and wireless throttle all can normally work;
(2) increase throttle panel zeroing function, can ignore the impact of throttle resistance range, ensure that engine speed is in the idling of setting within the scope of maximum speed of revolution, make Throttle Opening Control scope more accurate, reliability gets a promotion.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bus throttle mode of connection of the present invention;
Fig. 2 is the structural representation of E-gas panel of the present invention zeroing;
Fig. 3 is throttle workflow diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, a kind of bus throttle, comprise E-gas, Engine ECU, master controller and wireless remote controller, the CAN line of the CAN line of described Engine ECU, the CAN line of master controller and wireless remote controller also accesses CAN1939 bus, described engine controller and master controller carry out signal and communication by CAN, the output signal of described E-gas through the conversion of U/I isolated amplifier laggard enter master controller.
As shown in Figure 2, also comprise E-gas zeroing panel, described E-gas zeroing panel is provided with idle speed value and arranges button and maximum speed value arranges button, and the process of E-gas panel zeroing is:
(1) in interface, select idle speed value that button is set, not step on the accelerator, the idling numerical value of input engine calls, master controller using the throttle analog signals value that receives as throttle zero point, process as calculated, carry out communication with Engine ECU, the idle speed value of accurate driving engine is set numerical value;
(2) in interface, select maximum speed value that button is set, throttle is floored, the maximum speed value of input engine calls, master controller using the throttle analog signals value that receives as throttle maximum point, process as calculated, carry out communication with Engine ECU, the maximum speed value of accurate driving engine is set numerical value.
As shown in Figure 3, a kind of control method of bus throttle, comprises the following steps:
(1) when radio remote control switch disconnects, the rotating speed of driving engine is controlled by E-gas, and when using for the first time, E-gas panel returns to zero, and sensor detects Das Gaspedal height and position.0 ~ 5V voltage signal is converted to the analog input port of the current signal access master controller of 4 ~ 20mA by E-gas through U/I isolated amplifier, master controller receives current signal, be converted into corresponding rotating speed, then the rotating speed size of correspondence be sent to Engine ECU by CAN with the form of address.Engine ECU sends instruction to drive motor after judging process, and motor drives the rotating speed of throttle control driving engine.
(2) when radio remote control switch is pressed, the rotating speed of driving engine is by the wireless Throttle Opening Control on wireless remote controller, and sensor detects wireless Oil Switch position.The signal of wireless throttle is sent to master controller by CAN by wireless remote controller, and master controller receives current signal, is converted into corresponding rotating speed, then the rotating speed size of correspondence is sent to Engine ECU by CAN with the form of address.Engine ECU sends instruction to drive motor after judging process, and controls the rotating speed of driving engine.
The beneficial effect that the present invention reaches:
(1) convert the E-gas of analog quantity to bus throttle, at employing wireless remote controller and when configuring any driving engine, E-gas and wireless throttle all can normally work;
(2) increase throttle panel zeroing function, can ignore the impact of throttle resistance range, ensure that engine speed is in the idling of setting within the scope of maximum speed of revolution, make Throttle Opening Control scope more accurate, reliability gets a promotion.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.

Claims (6)

1. a bus throttle, comprise E-gas, Engine ECU, master controller and wireless remote controller, it is characterized in that, the CAN line of the CAN line of described Engine ECU, the CAN line of master controller and wireless remote controller also accesses CAN1939 bus, described engine controller and master controller carry out signal and communication by CAN, the output signal of described E-gas through the conversion of U/I isolated amplifier laggard enter master controller.
2. a kind of bus throttle according to claim 1, is characterized in that, also comprises E-gas zeroing panel, and described E-gas zeroing panel is provided with idle speed value and arranges button and maximum speed value arranges button.
3., based on the control method of a kind of bus throttle described in claim 1 or 2, it is characterized in that, comprise the following steps:
(1) when radio remote control switch disconnects, the rotating speed of driving engine is controlled by E-gas, during first use, E-gas panel returns to zero, sensor detects Das Gaspedal height and position, voltage signal is converted to the analog input port of current signal access master controller by E-gas through U/I isolated amplifier, master controller is by after signal transacting, Engine ECU is sent to by CAN, Engine ECU sends instruction to drive motor after judging process, and motor drives the rotating speed of throttle control driving engine;
(2) when radio remote control switch is pressed, the rotating speed of driving engine is by the wireless Throttle Opening Control on wireless remote controller, sensor detects wireless Oil Switch position, the signal of wireless throttle is sent to master controller by CAN by wireless remote controller, master controller is by after signal transacting, be sent to Engine ECU by CAN, Engine ECU sends instruction to drive motor after judging process, and controls the rotating speed of driving engine.
4. the control method based on a kind of bus throttle according to claim 3, is characterized in that, 0 ~ 5V voltage signal is converted to the current signal of 4 ~ 20mA by described E-gas through U/I isolated amplifier.
5. the control method based on a kind of bus throttle according to claim 3, it is characterized in that, described master controller receives current signal, is converted into corresponding rotating speed, then the rotating speed size of correspondence is sent to Engine ECU by CAN with the form of address.
6. the control method based on a kind of bus throttle according to claim 3, is characterized in that, the process of described E-gas panel zeroing is:
(1) in interface, select idle speed value that button is set, not step on the accelerator, the idling numerical value of input engine calls, master controller using the throttle analog signals value that receives as throttle zero point, process as calculated, carry out communication with Engine ECU, the idle speed value of accurate driving engine is set numerical value;
(2) in interface, select maximum speed value that button is set, throttle is floored, the maximum speed value of input engine calls, master controller using the throttle analog signals value that receives as throttle maximum point, process as calculated, carry out communication with Engine ECU, the maximum speed value of accurate driving engine is set numerical value.
CN201510195195.4A 2015-04-22 2015-04-22 A kind of bus throttle and its control method Active CN104816688B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106150705A (en) * 2016-08-22 2016-11-23 上海交通大学 Auto-manual accelerator control device and using method
CN111335395A (en) * 2020-02-26 2020-06-26 上海三一重机股份有限公司 Excavator rotating speed protection control method and device, excavator and storage medium

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JP2000186582A (en) * 1998-12-18 2000-07-04 Komatsu Forklift Co Ltd Remote control apparatus for forklift truck
US6298745B1 (en) * 1995-08-09 2001-10-09 Comfort Pedals, Inc. Adjustable pedal assembly
CN102241365A (en) * 2011-06-16 2011-11-16 三一汽车起重机械有限公司 Crane, and apparatus and method for transmitting remote throttle signal thereof
CN102602809A (en) * 2012-03-20 2012-07-25 中联重科股份有限公司 Control system for engineering machinery, control method and engineering machinery
CN202520420U (en) * 2012-04-01 2012-11-07 上汽依维柯红岩商用车有限公司 Intelligent remote accelerator switching controller based on CAN (Controller Area Network) bus
CN102877953A (en) * 2012-09-26 2013-01-16 三一重工股份有限公司 Engine speed control system and engineering machine
CN103726935A (en) * 2013-12-23 2014-04-16 三一汽车起重机械有限公司 Accelerator switching method, accelerator switching system and engineering machine
CN203651481U (en) * 2013-08-07 2014-06-18 中国重汽集团济南动力有限公司 Automobile rotating speed regulating system
CN204226027U (en) * 2014-11-21 2015-03-25 东风柳州汽车有限公司 Vehicular remote EGAS control system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298745B1 (en) * 1995-08-09 2001-10-09 Comfort Pedals, Inc. Adjustable pedal assembly
JP2000186582A (en) * 1998-12-18 2000-07-04 Komatsu Forklift Co Ltd Remote control apparatus for forklift truck
CN102241365A (en) * 2011-06-16 2011-11-16 三一汽车起重机械有限公司 Crane, and apparatus and method for transmitting remote throttle signal thereof
CN102602809A (en) * 2012-03-20 2012-07-25 中联重科股份有限公司 Control system for engineering machinery, control method and engineering machinery
CN202520420U (en) * 2012-04-01 2012-11-07 上汽依维柯红岩商用车有限公司 Intelligent remote accelerator switching controller based on CAN (Controller Area Network) bus
CN102877953A (en) * 2012-09-26 2013-01-16 三一重工股份有限公司 Engine speed control system and engineering machine
CN203651481U (en) * 2013-08-07 2014-06-18 中国重汽集团济南动力有限公司 Automobile rotating speed regulating system
CN103726935A (en) * 2013-12-23 2014-04-16 三一汽车起重机械有限公司 Accelerator switching method, accelerator switching system and engineering machine
CN204226027U (en) * 2014-11-21 2015-03-25 东风柳州汽车有限公司 Vehicular remote EGAS control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106150705A (en) * 2016-08-22 2016-11-23 上海交通大学 Auto-manual accelerator control device and using method
CN106150705B (en) * 2016-08-22 2020-11-17 上海交通大学 Manual-automatic integrated accelerator control device and use method
CN111335395A (en) * 2020-02-26 2020-06-26 上海三一重机股份有限公司 Excavator rotating speed protection control method and device, excavator and storage medium

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