CN201457070U

CN201457070U - Control device of double-accelerator electric-control engine of bidirectional running frame vehicle

Info

Publication number: CN201457070U
Application number: CN2009200748483U
Authority: CN
Inventors: 蔡祖斌
Original assignee: Shanghai Baosteel Equipment Maintenance Co Ltd
Current assignee: Shanghai Baosteel Equipment Maintenance Co Ltd
Priority date: 2009-07-17
Filing date: 2009-07-17
Publication date: 2010-05-12
Anticipated expiration: 2019-07-17

Abstract

The utility model discloses a control device of a double-accelerator electric-control engine of a bidirectional running frame vehicle, which respectively crosswise in series connected with relays in two ignition switch loops of an original control circuit, and normally-closed contacts of the two relays are respectively in series connected between the signal output ends of accelerator pedal modules of two cabs and the signal input end of an engine control module. The control device overcomes the defects of the traditional control mode, retains the advantages of the traditional control mode and enables the electric-control engine not to be interfered by other systems of the vehicle in an independent control state; the electric-control engine does not shut down without the power loss of a pedal accelerator signal during the operation of replacing the cabs, thus the service life of a starter and a storage battery of the vehicle is prolonged, and the consumption of fuel oil due to the frequent start of the electric-control engine of the vehicle is also reduced.

Description

The two throttle electric control engine control units of two way chassis

Technical field

The utility model relates to the control setup of the two throttle electric control driving engines of a kind of two way chassis.

Background technology

At present at the two way chassis of usefulness, there are two operator'ies compartment to control two driving engines respectively, a driving engine of two operator'ies compartment control is also arranged; Under the situation of a driving engine of two operator's compartment control, two kinds of modes are arranged generally; First kind is to control by bus mode, modularization control just, the control module that is divided into two operator'ies compartment is gathered the throttle information of two operator'ies compartment respectively and by vehicle master control module controls engine control module, is realized the control of vehicle motor throttle then by engine control module control Motronic control maps throttle actuator; This bus mode control structure is simple, all vehicle controllable function just can realize by software, but above-mentioned each control module is not the control vehicle driving engine, go back other system on the control vehicle simultaneously, if because other system on the vehicle causes wherein certain control module damage, then vehicle motor is also just uncontrollable.Second kind is directly the control signal of each operator's compartment Das Gaspedal to be transported to engine control module with cable, is by what operator's compartment control throttle and switch with one four contact relay between two operator'ies compartment; The control of this kind mode vehicle motor and other system independence on the vehicle, pass through the common cable wire joint between each operator's compartment throttle and engine control module, but before switching bridge operation, must be with engine off, and then change operator's compartment and operate, otherwise, in handoff procedure, the idle signal of driving engine has a very short dead electricity process, at this moment engine control module can detect this signal, think that system makes mistakes and start emergency function automatically that make engine speed remain on 1200rpm, the operator's compartment Das Gaspedal is just inoperative.

Summary of the invention

Technical problem to be solved in the utility model provides the two throttle electric control engine control units of a kind of two way chassis, this device has overcome the defective of above-mentioned two kinds of modes, kept its advantage, making driving engine be in independent state of a control not disturbed by the vehicle other system, when more switching bridge operation, driving engine is not flame-out, the pedal throttle signal does not have the dead electricity phenomenon and occurs, guarantee the normal operation of vehicle motor, thereby prolonged the service life of vehicle starter and storage battery, also reduced of the consumption of vehicle motor Fraquent start simultaneously fuel oil.

For solving the problems of the technologies described above, the two throttle electric control engine control units of the utility model two way chassis comprise vehicle power, an operator's compartment accelerator pedal module, No. two operator's compartment accelerator pedal modules, an operator's compartment ignition lock, No. two operator's compartment ignition locks, engine control module and Motronic control maps throttle actuators, described vehicle power provides pedal module and engine control module power supply, and the mouth of described engine control module connects the input end of Motronic control maps throttle actuator; This device also comprises first relay and second relay, described relay has normally closed contact, be connected described vehicle power after described first relay and the described No. two operator's compartment ignition locks series connection, be connected described vehicle power after described second relay and the described operator's compartment ignition lock series connection, the normally closed contact of described first relay is series between the signal input part of a described operator's compartment accelerator pedal module signal output part and engine control module, and the normally closed contact of described second relay is series between the signal input part of described No. two operator's compartment accelerator pedal module signal output parts and engine control module.

Be the circuit safety of this device, it also comprises two wire fuses, and described two wire fuses are series at respectively between described vehicle power and operator's compartment ignition lock and No. two operator's compartment ignition locks.

Because the two throttle electric control engine control units of the utility model two way chassis have adopted technique scheme, promptly intersect relay of series connection in two ignition lock loops of former control circuit respectively, the normally closed contact of two relays is series at respectively between the signal input part of the signal output part of accelerator pedal module of two operator'ies compartment and engine control module; This device has overcome the defective of traditional control method, kept its advantage, making driving engine be in independent state of a control not disturbed by the vehicle other system, when more switching bridge operation, driving engine is not flame-out, and the pedal throttle signal does not have the dead electricity phenomenon and occurs, and guarantees the normal operation of vehicle motor, thereby prolonged the service life of vehicle starter and storage battery, also reduced of the consumption of vehicle motor Fraquent start simultaneously fuel oil.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments:

Fig. 1 is the circuit diagram of the two throttle electric control engine control units of this two way chassis.

The specific embodiment

As shown in Figure 1, the two throttle electric control engine control units of the utility model two way chassis comprise vehicle power 11, operator's compartment accelerator pedal module 1, No. two operator's compartment accelerator pedal modules 2, operator's compartment ignition lock 6, No. two operator's compartment ignition locks 7, engine control module 9 and Motronic control maps throttle actuators 10, described vehicle power 11 provides pedal module and engine control module 9 power supplys, and the mouth of described engine control module 9 connects the input end of Motronic control maps throttle actuator 10; This device also comprises first relay 3 and second relay 4, described relay 3 and 4 has normally closed contact 31 and 41, be connected described vehicle power 11 after described first relay 3 and 7 series connection of described No. two operator's compartment ignition locks, be connected described vehicle power 11 after described second relay 4 and 6 series connection of a described operator's compartment ignition lock, the normally closed contact 31 of described first relay 3 is series between the signal input part of the signal output part of a described operator's compartment accelerator pedal module 1 and engine control module 9, and the normally closed contact 41 of described second relay 4 is series between the signal input part of the signal output part of described No. two operator's compartment accelerator pedal modules 2 and engine control module 9.

Be the safety of this device circuit, it also comprises two wire fuses 5 and 8, and described two wire fuses 5 and 8 are series at respectively between described vehicle power 11 and operator's compartment ignition lock 6 and No. two operator's compartment ignition locks 7.

The two throttle electric control engine control units of the utility model two way chassis relay of connecting respectively in two ignition lock loops of former control circuit, the normally closed contact of two relays are series at respectively between the signal input part of the signal output part of accelerator pedal module of two operator'ies compartment and engine control module.

This device mainly is to be applied on the chassis of two way, and every chassis has only an ignition key, and to prevent two operator'ies compartment ignition operation simultaneously, the starting of driving engine has special button with flame-out, does not have direct relation with ignition lock.

This device principle of work: connect the gross vehicle power supply, the accelerator pedal module of engine control module and two operator'ies compartment all, export idle signal by the normally closed contact of two relays to engine control module simultaneously, after engine control module detects this idle signal, think that accelerator pedal module is normal, can start.After connecting ignition lock at an operator's compartment, No. two operator's compartment second relay gets electric work, normally closed contact disconnects, cut off the idle signal of No. two operator's compartment accelerator pedal module outputs, at this moment engine control module receives only operator's compartment accelerator pedal module idle signal by the normally closed contact output of first relay, make the engine control module signal input part that idle signal voltage be arranged all the time, behind engine starting, have only the accelerator pedal module of an operator's compartment can control the rotating speed of driving engine.

If chaufeur need be changed bridge operation, driving engine can be reduced to idling, not flame-out, close the operator's compartment ignition lock No. one, No. two operator's compartment second relay outages, its normally closed contact is connected, at this moment, engine control module obtains the idle signal of two operator's compartment accelerator pedal module outputs again simultaneously, and engine control module can not detect the electric voltage exception of accelerator pedal module, and driving engine is still pressed tickover; Behind No. two operator's compartment ignition locks of connection, No. one operator's compartment first relay gets electric work, normally closed contact disconnects, cut off the idle signal of an operator's compartment accelerator pedal module output, at this moment engine control module receives only No. two operator's compartment accelerator pedal modules idle signal by the normally closed contact output of second relay, make the engine control module signal input part that the voltage of idle signal be arranged all the time, can power down, driving engine is still pressed tickover, at this moment have only the accelerator pedal module of No. two operator'ies compartment can control the rotating speed of driving engine, cannot not reach flame-outly the purpose of changing bridge operation.

This device is irrelevant with other control module on the vehicle, and the fault of other control module does not influence the work of driving engine, reduces the possibility that vehicle casts anchor; When changing bridge operation, driving engine need not stop working, and reduces the probability that starter uses, and has prolonged the service life of vehicle starter and storage battery; Because the fuel that consumes during engine starting is maximum and the tail gas pollution degree maximum of discharging, and changes bridge operation in the short time, can reduce the consumption of fuel oil and tail gas to the pollution of atmosphere, play the effect of environmental protection.

Claims

1. two throttle electric control engine control units of a two way chassis, comprise vehicle power, an operator's compartment accelerator pedal module, No. two operator's compartment accelerator pedal modules, an operator's compartment ignition lock, No. two operator's compartment ignition locks, engine control module and Motronic control maps throttle actuator, described vehicle power provides pedal module and engine control module power supply, the mouth of described engine control module connects the input end of Motronic control maps throttle actuator, it is characterized in that: also comprise first relay and second relay, described relay has normally closed contact, be connected described vehicle power after described first relay and the described No. two operator's compartment ignition locks series connection, be connected described vehicle power after described second relay and the described operator's compartment ignition lock series connection, the normally closed contact of described first relay is series between the signal input part of a described operator's compartment accelerator pedal module signal output part and engine control module, and the normally closed contact of described second relay is series between the signal input part of described No. two operator's compartment accelerator pedal module signal output parts and engine control module.

2. the two throttle electric control engine control units of two way chassis according to claim 1, it is characterized in that: it also comprises two wire fuses, and described two wire fuses are series at respectively between described vehicle power and operator's compartment ignition lock and No. two operator's compartment ignition locks.