CN207072381U - A kind of steering control device of electri forklift - Google Patents
A kind of steering control device of electri forklift Download PDFInfo
- Publication number
- CN207072381U CN207072381U CN201720832854.5U CN201720832854U CN207072381U CN 207072381 U CN207072381 U CN 207072381U CN 201720832854 U CN201720832854 U CN 201720832854U CN 207072381 U CN207072381 U CN 207072381U
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- switch
- steering
- motor controller
- control device
- seat
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Abstract
It the utility model is related to a kind of steering control device of electri forklift, including the seat switch on seat, the braking signal switch on brake pedal and the direction switch for controlling fork truck to move forward and backward, the direction switch, seat switch and braking signal switch are connected with traction motor controller, corner input pickup and steering pattern switch are connected with the pump motor controller, the steering column connection of the corner input pickup and steering wheel, and the DC D/C powers converter by being connected with battery is powered to it.The utility model controls the control mode that the go to action of vehicle exports by starting the signal of corner input pickup, steering motor is set to be run with higher rotating speed according to input operation person's actual steering demand, and vehicle is operator's not steering wheel rotation when without the demand of steering, vehicle is in the state of straight-line travelling or static stacking, steering motor is with relatively low idle, in this case, system noise is smaller, and energy consumption is relatively low.
Description
Technical field
It the utility model is related to fork truck control technology field, and in particular to a kind of steering control device of electri forklift.
Background technology
Generally, the electric control system of the turning function of balance weight type electri forklift has two kinds of designs：One
Kind is to trigger go to action after steering controller detects the input of direction switch signal.One kind is that steering controller detection accelerates
Go to action is triggered after the input of device signal.Both control modes are all caused by the walking motion of following vehicle, and are not inconsistent
The actual steering demand of vehicle is closed, i.e., in the case where its straight line is walked, vehicle need not turn to.So both are controlled
Scheme processed relatively consumes energy, and is run with higher speed when steering motor is long, and noise is bigger.
Utility model content
The purpose of this utility model is the steering control device for providing a kind of electri forklift, real according to input operation person
Border, which turns to demand and starts the signal of corner input pickup, controls the go to action of vehicle to export, reduce system noise and
Energy consumption.
To achieve the above object, the utility model employs following technical scheme：
A kind of steering control device of electri forklift, including battery and it is connected in parallel on key switch output end, storage battery negative
Traction motor controller between pole and pump motor controller, the seat switch for including being arranged on seat, installed in braking
Braking signal switch on pedal and the direction switch for controlling fork truck to move forward and backward, the direction switch, seat switch
And braking signal switch is connected with traction motor controller, be connected with the pump motor controller corner input pickup and
Steering pattern switchs, the steering column connection of the corner input pickup and steering wheel, and the DC- by being connected with battery
D/C power converter is powered to it.
In such scheme, the steering pattern switch includes being used to control the first of accelerator triggering steering pattern to turn to mould
Formula is switched and switched for the second steering pattern of control direction switch triggering steering pattern, first steering pattern switch and
Second steering pattern switch is connected with pump motor controller.
In such scheme, the direction switch, seat switch, braking signal switch and steering pattern switch are open in usual
Switch.
In such scheme, the first fuse is provided between the positive terminal and key switch of the battery, battery is with leading
Draw and be sequentially provided with the second fuse and main contactor between electric machine controller, the coil of the main contactor is connected to traction electric machine
On controller.
In such scheme, the 3rd fuse is provided between the corner input pickup and DC-DC power source conversion device.
As shown from the above technical solution, the steering control device of electri forklift described in the utility model, opened by a variety of
Close or the actual motion state of the signal monitoring vehicle of sensor is to control the releasing and startup that fork truck is braked, by starting corner
The signal of input pickup controls the control mode that the go to action of vehicle exports, according to input operation person's actual steering demand
Steering motor is set to be run with higher rotating speed, and vehicle is operator's not steering wheel rotation when without the demand of steering, vehicle is straight
Line travel or static stacking in the state of, steering motor is with relatively low idle, and in this case, system noise is smaller,
Energy consumption is relatively low.The utility model enables the control of the steering motor speed of service, after seat switch closes, motor idling fortune
OK, after corner input signal inputs, motor is run with higher second speed.This control method makes vehicle in actual steering
Good dynamic response is established before demand, makes operator in practical operation than relatively labor-saving, has responded the requirement of human engineering.
Meanwhile the utility model can be according to the traditional direction of the operating habit selection of reality there is provided steering pattern switch, operator
Switching signal triggers or accelerator signal triggers two kinds of steering control modes, has adapted to the individual operation demand of user.Also may be used
After the failure of corner input pickup, to start steering pattern switch, fork truck is set to be turned to when advancing, with support vehicles
Runnability.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 1, the steering control device of the electri forklift of the present embodiment, including battery 1, it is connected in parallel on key switch
Traction motor controller 6 and pump motor controller 7 between 3 output ends, the negative pole of battery 1, instrument 19, on seat
Seat switch 13, the braking signal switch 14 on brake pedal and the direction switch for controlling fork truck to move forward and backward
12, direction switch 12, seat switch 13 and braking signal switch 14 are connected with traction motor controller 6, pump motor control
Corner input pickup 17 and steering pattern switch, the steering tube of the corner input pickup 17 and steering wheel are connected with device 7
Post is connected, and the DC-DC power source conversion device 8 by being connected with battery 1 is powered to it, the corner when operator's steering wheel rotation
Input pickup 17 follows steering column to run, and is servo-actuated output control signal.Instrument 19 is controlled by CAN and traction electric machine
Device 6, pump motor controller 7 and key switch 3 connect.
The present embodiment, steering pattern switch is by for controlling the first steering pattern of accelerator triggering steering pattern to switch
15 and for control direction switch 12 triggering steering patterns the second steering patterns switch 16 composition, the first steering pattern switch 15
It is connected with the second steering pattern switch 16 with pump motor controller 7.
Further, direction switch 12, seat switch 13, braking signal switch 14 and steering pattern switch are open in usual
Switch；Wherein, seat switch 13 is only seated on the seat in operator and just closed, and braking signal switch 14 is only stepped in operator
Closed during lower brake pedal, steering pattern switch is only pressed this switch in operator and just closed.Battery 1 positive terminal with
The first fuse 2 is provided between key switch 3, the second fuse 4 is sequentially provided between battery 1 and traction motor controller 6
And main contactor 5, the coil-end of main contactor 5 are connected on traction motor controller 6.In corner input pickup 17 and DC-
The 3rd fuse 18 is provided between D/C power converter 8.
The present embodiment, traction motor controller 6 is using model ACE2 80V/350A control chip U1, pump motor control
Device 7 processed uses model ACE2 80V/350A control chip U2, and the cathode power supply of battery 1 contacts through the second fuse 4 with main
The contact portion of device 5, another contact of contactor 5 positive terminal BP1, pump motor with traction motor controller 6 respectively
The positive terminal BP2 connections of controller 7.Negative terminal BN1, the pump motor controller 7 of traction motor controller 6 are negative
Pole binding post BN2, DC-DC power source conversion device 8 negative power supply GND1, GND2 and instrument 19 negative power end GND3 are and electric power storage
The negative power supply connection in pond 1.The control chip U1 of traction motor controller 6 power input port KS1, Oil pump electrical machinery controller
7 control chip U2 power input ports KS2, the chip U3 of instrument 19 power input port KS3 and DC-DC power source conversion device 8
Input supply terminal B+ connected by the first fuse 2 with key switch 3.The control chip U1's of traction motor controller 6
The coil of main contactor 5 is concatenated between control port NMC, PMC.+ 12V the out-put supplies of DC-DC power source conversion device 8 pass through the 3rd
Fuse 18 provides power supply to corner input pickup 17.Control chip U1 digital input port in traction motor controller 6
Direction switch 12 is concatenated between CM1 and advance switching signal DIG1 and the inputs of retrogressing switching signal DIG 2, CM1 opens with seat
Close to concatenate between 13 signal DIG3 and concatenate brake signal between seat switch 13, CM1 and the signal DIG4 of braking signal switch 14 and open
14 are closed, chip U1 power port PPOT, NPOT, CPOT are connected with the both ends of power of accelerator 11 and speed governing end respectively, pump electricity
Control chip U2 digital input port CM2 concatenates the first steering pattern switch between signal DIG5, DIG6 in machine controller 7
15 and first steering pattern switch 16, the signal of control chip U2 digital quantity input port DIG7 connection corners input pickup 17
Input, the lead-out wire of traction electric machine 9 are connected with power cell binding post U1, V1, W1 of traction controller 6 respectively, oil pump electricity
The lead-out wire of machine 10 is connected with power cell binding post U2, V2, W2 of oil pump controller 7 respectively.Traction motor controller 6,
Pump motor controller 7 and instrument 19 pass through CAN（CAN L1、CAN H1、CAN L2、CAN H2、 CAN L3、CAN H3）
Communication.
Battery 1 is used as power supply, and when operator is seated on the seat, seat switch 13 is connected, and after connecting key switch 3, leads
It is upper electric to draw control chip U1, U2 of controller 6 and pump controller 7, after System self-test, the coil both ends of main contactor 5 produce electricity
The power cell positive terminal of pressure difference, the contacting of main contactor 5, traction motor controller 6 and pump motor controller 7
The upper electricity of BP1, BP2, while+12V power supplys are changed out on DC-DC power source conversion device 8 after electricity, provided just for corner input pickup 17
Power supply, because seat switch 13 is connected, the control chip U2 of pump controller 7 receives the instruction control pump motor of seat switch 13
10 is idle（The rotating speed of idling can be adjusted by the chip U2 of steering controller according to actual condition）, to establish well
Dynamic response.When operator's steering wheel rotation turns to, the corner input pickup 17 for being connected to steering column follows steering wheel
Rotate, control chip U2 received angular signal driving pump motor and run with higher second speed, enables fork truck freely
Turn to.
When operator leaves operating position or seat switch 13 fails, now seat switch 13 disconnects, and operator can lead to
Cross and trample brake pedal and close braking signal switch 14 to trigger braking signal switch 14, brake signal is input to pump motor control
The control chip U2 of device 7 processed, control chip U2 are received brake signal driving pump motor and run with higher second speed with reality
Existing fork truck pivot stud.
, can be by connecing when corner input pickup 17 fails or operator wishes to adopt traditional steering triggering mode
Logical first steering pattern switch 15 or the second steering pattern switch 16 are realized.After operator presses the first steering pattern switch 15
That is the control model that the accelerator triggering of selection turns to, after signal for faster CPOT inputs control chip U1, during forklift-walking, pump
The chip U2 of electric machine controller 7 is received steering order by CAN and drives pump motor 10 to be run with second speed.Work as behaviour
Author presses the second steering pattern and switchs the control model that the triggering of direction switch 12 of i.e. selection after 16 turns to, and when advance or retreats
After signal DIG1, DIG2 input control chip U1 respectively, the chip U2 of pump motor controller 7 receives steering by CAN
Order-driven pump motor 10 is run with second speed.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (6)
- A kind of 1. steering control device of electri forklift, it is characterised in that：Including battery and be connected in parallel on key switch output end, Traction motor controller and pump motor controller between battery terminal negative, it is characterised in that：Also include being arranged on seat Seat switch, the braking signal switch on brake pedal and the direction switch for controlling fork truck to move forward and backward, institute State direction switch, seat switch and braking signal switch to be connected with traction motor controller, connect on the pump motor controller Corner input pickup and steering pattern switch are connected to, the steering column of the corner input pickup and steering wheel connects, and Powered by the DC-DC power source conversion device being connected with battery to it.
- 2. the steering control device of electri forklift according to claim 1, it is characterised in that：The steering pattern switch bag Include for controlling the first steering pattern of accelerator triggering steering pattern to switch and for control direction switch triggering steering pattern The second steering pattern switch, first steering pattern switch and the second steering pattern switch with pump motor controller company Connect.
- 3. the steering control device of electri forklift according to claim 1, it is characterised in that：The direction switch, seat Switch, braking signal switch and steering pattern switch are switch open in usual.
- 4. the steering control device of electri forklift according to claim 1, it is characterised in that：The positive terminal of the battery The first fuse is provided between key switch, the second fuse and master are sequentially provided between battery and traction motor controller Contactor, the coil of the main contactor are connected on traction motor controller.
- 5. the steering control device of electri forklift according to claim 1, it is characterised in that：The corner input pickup The 3rd fuse is provided between DC-DC power source conversion device.
- 6. the steering control device of electri forklift according to claim 1, it is characterised in that：Also include instrument, the instrument Table is connected by CAN with traction motor controller, pump motor controller and key switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832854.5U CN207072381U (en) | 2017-07-11 | 2017-07-11 | A kind of steering control device of electri forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832854.5U CN207072381U (en) | 2017-07-11 | 2017-07-11 | A kind of steering control device of electri forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207072381U true CN207072381U (en) | 2018-03-06 |
Family
ID=61522387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720832854.5U Active CN207072381U (en) | 2017-07-11 | 2017-07-11 | A kind of steering control device of electri forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207072381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200060A (en) * | 2017-07-11 | 2017-09-26 | 安徽合力股份有限公司 | The steering control device and its control method of a kind of electri forklift |
-
2017
- 2017-07-11 CN CN201720832854.5U patent/CN207072381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200060A (en) * | 2017-07-11 | 2017-09-26 | 安徽合力股份有限公司 | The steering control device and its control method of a kind of electri forklift |
| CN107200060B (en) * | 2017-07-11 | 2023-08-04 | 安徽合力股份有限公司 | Steering control device and control method of electric forklift |
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