CN201992047U

CN201992047U - Electronic gear shifting mechanism of AMT (Automated Mechanical Transmission)

Info

Publication number: CN201992047U
Application number: CN2011200782161U
Authority: CN
Inventors: 刘鸣东; 邱光红
Original assignee: Endolite (fujian) Artificial Limb Orthotic Device Co Ltd
Current assignee: Endolite (fujian) Artificial Limb Orthotic Device Co Ltd
Priority date: 2011-03-23
Filing date: 2011-03-23
Publication date: 2011-09-28
Anticipated expiration: 2021-03-23

Abstract

The utility model discloses an electronic gear shifting mechanism of AMT. The mechanism mainly consists of a panel system, a ball head system, a handle bar system, a shifting block system, an ECU (Electronic Control Unit) module and the like, wherein the gear shifting mechanism consists of a handle bar, a component, a control circuit on a PCB (printed circuit board) and a Hall switch installed in the assembly of the control circuit; the ball head system transmits the information of each gear to the handle bar system; the handle bar system drives the shifting block system; the magnet on the shifting block system is used for transmitting a signal to the Hall sensor circuit on the ECU module, and error message brought by vibration of a gear shifting rod is filtered through a delay circuit; and a coding signal is converted into the analog quantity needed by a speed changing box TCU (Transmission Control Unit) through a coding circuit and an analog quantity electronic switch circuit so as to complete the automatic shift of automobile gears. The mechanism is low in cost with the inhaul cable of the traditional gear shifting mechanism omitted. As electric signals are used for output of gear choosing and shifting, the gear choosing and shifting is more stable and accurate and strong in anti-interference capacity.

Description

AMT electron gear shifting mechanism

Technical field

The utility model relates to the device in a kind of AE field, is specially a kind of AMT electron gear shifting mechanism that is applicable to control Marelli (horse Ruili) AMT automotive electronics speed variator system.

Background technique

Continuous development along with automotive engineering, shift quality to manual transmission is had higher requirement, automobile in motion, need to regulate different speed, therefore the conversion between different gears seems extremely important, selecting gear shift pulling cable is the parts that automobile uses when selecting gear shift, it is connected between the following and gearbox of gear shifting handle, the core outer sleeve that comprises a core on the structure and be enclosed within the core outside, the two ends of core and core outer sleeve be respectively arranged with car body on gearbox and the fixed connection apparatus that is connected of gear shifting handle, fixed connection apparatus comprises metal mouth of pipe spare, steel conduit and screw rod, requiring in selecting gearshift procedure has certain activity surplus between metal mouth of pipe spare and the steel conduit, this is difficult to accurately control and realizes in the process of making, pressure is big can be killed two parts, pressure is little two parts are in conjunction with insufficient, cause in use and come off, and drag-line is flexible, the long-term drag-line that uses can be out of shape, it is inaccurate that gear position operation becomes, unreliable, flexibility and accuracy when thereby gear shift is selected in influence influence traffic safety.

Summary of the invention

In order to solve deficiency of the prior art, the utility model provides a kind of AMT electron gear shifting mechanism, and it is stable to have a gear shift, the degree of accuracy height, advantages such as cost is lower are specially adapted to the electronic gear operating mechanism as control Marelli (horse Ruili) AMT automotive electronics speed variator system.

The technological scheme that the utility model adopted is as follows: AMT electron gear shifting mechanism, mainly by panel system, compositions such as bulb system, handlebar system, conversion block system, ECU module, the panel system buckle is connected on the housing, bulb system collar is connected in the top of handlebar system, the handlebar system is connected with the conversion block system with pin, and gearshift mechanism is made up of control wiring on handlebar and assembly thereof, magnet, the pcb board and the Hall switch that is installed in the control wiring assembly.

The bulb system passes to the handlebar system with each gear information, the handlebar system drives the conversion block system, by the magnet in the conversion block system signal is passed to Hall circuit on the ECU module, the error message that vibration is brought through delay circuit elimination shift level, convert code signal to analog amount that gearbox TCU needs through coding circuit and analog amount electronic switching circuit again, finish the automatic conversion of automobile gear.

The handlebar system links to each other with the gear shift support and becomes one, and around the coupling shaft rotation that is installed on the gear shift support, make the Hall switch on the control wiring assembly produce electromagnetic induction by the mobile of magnet on the gear shift support, signal is delivered to ECU to be gone up on the gear of Hall circuit, realize G-＞M+, G-＞M-, R-＞N, N-＞R gear conversion, the left rotation and right rotation of bearing pin that can also be by being connected in cross coupling shaft lower end drives front magnet and moves, and passes through shift motion, magnet is delivered to signal on other gear of circuit board Hall, realize G-＞A/M, G-＞R gear conversion realizes carrying out gear shift by ECU control speed changer.

Compare with existing selector, the utility model has saved drag-line, realizes selecting gear shift by magnet and ECU circuit, and cost is reduced greatly, and adopts electrical signal to carry out gear output, and stability and degree of accuracy all are much higher than the drag-line transmission.

Description of drawings

Fig. 1 is an internal structure schematic representation of the present utility model;

Fig. 1-a is the thin portion gear enlarged view of Fig. 1;

Fig. 1-b is the thin portion gear enlarged view of Fig. 1;

Fig. 1-c is the thin portion gear enlarged view of Fig. 1;

Fig. 2 is Hall transducer circuit theory diagrams of the present utility model;

Fig. 3 is a delay circuit schematic diagram of the present utility model;

Fig. 4 is a coding circuit schematic diagram of the present utility model;

Fig. 5 is an analog amount electronic switching circuit schematic diagram of the present utility model;

Fig. 6 is power supply of the present utility model and signal output apparatus schematic diagram.

Embodiment

Below in conjunction with accompanying drawing the utility model is further specified:

With reference to accompanying drawing 1, accompanying drawing 1-a, accompanying drawing 1-b, accompanying drawing 1-c, AMT electron gear shifting mechanism, handlebar system 4 links to each other with conversion support and 3 becomes one, and around rotating shaft 6 rotations that are installed on the conversion support 3, rotating shaft 6 rotations drive front magnet 2 and move, and pass through shift motion, magnet 2 is delivered to signal on the Hall switch on the circuit board 1, realize G-＞M+, G-＞M-, R-＞N, the gear of N-＞R is selected and conversion, bearing pin 5 can left rotation and right rotation drives front magnet 2 and moves, and by shift motion, magnet 2 is delivered to signal on the Hall switch on the circuit board 1, realize G-＞AM, the gear of G-R is selected and conversion; By Hall transducer circuit, delay circuit, coding circuit, analog amount electronic switching circuit, power supply and signal output apparatus, realize carrying out gear shift again by ECU control speed changer.

With reference to accompanying drawing 2, the Hall transducer circuit comprises Hall transducer H1～H6, capacitor C 8～C13, resistance R 3～R8, H1～H6 parallel connection,

electric capacity inserts

1,2 pins of Hall transducer,

resistance

1,3 pins that insert Hall transducer in parallel, entire circuit adds+5V voltage, and Hall transducer is used for the signal that the induced magnet displacement produces, according to Hall effect, the electrical signal that can become to need the signal conversion that the magnet displacement produces, entire circuit is used for receiving selector gearshift position information.

With reference to accompanying drawing 3, delay circuit, constitute entire circuit by resistance R 17, capacitor C 3, NPN type triode Q1, switching diode D3 series parallel connection, the collector electrode of Q1 connects the pin 2 of H1, H2, H3, D3 connects the output port 3 of H4, be mainly used to filter the error message that the shift level vibration brings, described D3 model is BAW56, and the Q1 model is BCX19L.

With reference to accompanying drawing 4, coding circuit, by IC2, IC3, capacitor C 5, C6, R15, R16 form, and the pin P1 of IC2 and P2, P3 connect the output port 3 of H1, H2 respectively, pin P4, P5 and P10 connect the output port 3 of H3, H5 respectively, P9, P13 connect the output port 3 of H4, and P6, P8, P12 meet P5, P6, the P13 of IC4 in the analog amount electronic switching circuit respectively, P14 and capacitor C 5 ground connection that add 5V voltage; The pin of IC3 connects the output port 3 of H1, H3, P3～P5, P9～P11 connect respectively R15, R16, and the C6 ground connection of connecting again, C6 adds+5V voltage, and P13 connects the output port 3 of H6, and P12 meets the P12 of IC4 in the analog amount electronic switching circuit; The model of described IC2, IC3 is 74HC10, and coding circuit mainly is that the position information with hall sensing output generates coding, as 0011,1001 or the like.

With reference to accompanying drawing 5, the analog amount electronic switching circuit, by resistance R 9～R14, inductance L 2～L5, capacitor C 14～C18, the IC4 series parallel connection is formed, and the P1 of IC4, P4, P8, P11 connect L2, L3, L4, L5 respectively as signal output part, P7 series connection R9, R10, R14.

With reference to accompanying drawing 6, power supply and signal output apparatus, by con1, D1, R1, R2, C1, IC1, C2, compositions such as D2, con1 pin P6 and D1, R1, R2, C1, IC1, C2, the D2 series parallel connection connects, and the P2 of con1, P3, P4, P5 pin connect the signal coding output terminal of analog amount electronic switching circuit, P1 is used for outupt coded signal, and entire circuit is used for code signal is transferred to gearbox TCU single chip machine controlling circuit, and then realizes finishing automatically the automobile transforming gear.

Whole gearshift mechanism, transmit gear change information by the motion of magnet, the movable information of magnet passes to the Hall switch on the ECU, convert the voltage difference that magnet moves generation to electrical signal by Hall effect, to select the gear shift code signal to export to gearbox TCU single chip machine controlling circuit through delay circuit, coding circuit, analogue quantity switch circuit, power supply and signal output apparatus respectively again, realize the bit map of automobile automatic transmission; The whole gearshift procedure that selects adopts electrical signal to come output signal, has saved the drag-line in the traditional mechanism, make cost reduce greatly, and the employing electrical signal carries out the gear output stability and degree of accuracy is much higher than the drag-line transmission.

Claims

1. AMT electron gear shifting mechanism, mainly by panel system, the bulb system, the handlebar system, the conversion block system, compositions such as ECU module, the panel system buckle is connected on the housing, bulb system collar is connected in the top of handlebar system, the handlebar system is connected with the conversion block system with pin, it is characterized in that, gearshift mechanism is by handlebar and assembly thereof, magnet, control wiring on the pcb board and the Hall switch that is installed in the control wiring assembly are formed, the handlebar system drives the conversion block system, by the magnet in the conversion block system signal is passed to Hall circuit on the ECU module, the error message that vibration is brought through delay circuit elimination shift level, convert code signal to analog amount that gearbox TCU needs through coding circuit and analog amount electronic switching circuit again, finish the automatic conversion of automobile gear.

2. AMT electron gear shifting according to claim 1 mechanism is characterized in that described ECU module comprises: Hall transducer circuit, delay circuit, coding circuit, analog amount electronic switching circuit, power supply and signal output apparatus.

3. AMT electron gear shifting according to claim 2 mechanism, it is characterized in that, described Hall transducer circuit comprises Hall transducer H1～H6, capacitor C 8～C13, resistance R 3～R8, H1～H6 parallel connection, electric capacity inserts 1,2 pins of Hall transducer, resistance 1,3 pins that insert Hall transducer in parallel, entire circuit adds+5V voltage, and entire circuit is used for receiving selector gearshift position information.

4. AMT electron gear shifting according to claim 2 mechanism, it is characterized in that, described delay circuit, constitute entire circuit by resistance R 17, capacitor C 3, NPN type triode Q1, switching diode D3 series parallel connection, the collector electrode of Q1 connects the pin 2 of H1, H2, H3, D3 connects the output port 3 of H4, is mainly used to filter the error message that the shift level vibration brings.

5. AMT electron gear shifting according to claim 4 mechanism is characterized in that described D3 model is BAW56, and described Q1 model is BCX19L.

6. AMT electron gear shifting according to claim 2 mechanism, it is characterized in that, described coding circuit, by IC2, IC3, capacitor C 5, C6, R15, R16 form, the pin P1 of IC2 and P2, P3 connect the output port 3 of H1, H2 respectively, and pin P4, P5 and P10 connect the output port 3 of H3, H5 respectively, and P9, P13 connect the output port 3 of H4, P6, P8, P12 meet P5, P6, the P13 of IC4 in the analog amount electronic switching circuit respectively, P14 and capacitor C 5 ground connection that add 5V voltage; The pin of IC3 connects the output port 3 of H1, H3, P3～P5, P9～P11 connect respectively R15, R16, the C6 ground connection of connecting again, C6 adds+5V voltage, P13 connects the output port 3 of H6, P12 meets the P12 of IC4 in the analog amount electronic switching circuit, and coding circuit mainly is the position information generation coding with hall sensing output.

7. AMT electron gear shifting according to claim 6 mechanism is characterized in that the model of described IC2, IC3 is 74HC10.

8. AMT electron gear shifting according to claim 2 mechanism, it is characterized in that, described analog amount electronic switching circuit, by resistance R 9～R14, inductance L 2～L5, capacitor C 14～C18, the IC4 series parallel connection is formed, the P1 of IC4, P4, P8, P11 connect L2, L3, L4, L5 respectively as signal output part, P7 series connection R9, R10, R14.

9. AMT electron gear shifting according to claim 2 mechanism is characterized in that described power supply and signal output apparatus are by con1, D1, R1, R2, C1, IC1, C2, compositions such as D2, con1 pin P6 and D1, R1, R2, C1, IC1, C2, the D2 series parallel connection connects, the P2 of con1, P3, P4, P5 pin connect the signal coding output terminal of analog amount electronic switching circuit, and P1 is used for outupt coded signal, and entire circuit is used for code signal is transferred to gearbox TCU single chip machine controlling circuit.