JPH07217739A - Mechanical type semi-automatic transmission - Google Patents

Abstract

PURPOSE:To inform the completion of a shift change by sound to quickly complete shift lever operation. CONSTITUTION:A control box 10, which shifts gears of a semi-automatic transmission based on the instruction from a shift lever, which instructs gear shift of the semi-automatic transmission 3, outputs a signal to a gear shift completion informing buzzer 18 when detecting the completion of gear shift, making a sound based on the output signal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention artificially directs switching of transmission transmission gears from a remote location,
The present invention relates to a mechanical semi-automatic transmission device in which gears of a transmission are switched based on this instruction and the shift completion is notified.

[0002]

2. Description of the Related Art In large vehicles such as buses and trucks,
Japanese Patent Application Laid-Open No. 57-104417 discloses a system in which a conventional mechanical remote control mechanism is replaced with a semi-automatic shift control device using electric-pneumatic pressure in order to reduce driver fatigue.

This device includes a transmission, a change lever unit as a gear switching instruction means, a control box as a shift means, a gear shift unit,
Further, it is composed of a shift completion feedback magnet and the like, and depresses the clutch pedal to enable shifting, and operates the change lever to give a shift command.

Then, the control box energizes the electromagnetic valve of the gear shift unit based on the electric signal (designated shift signal) from the change lever unit, whereby the cylinder of the gear shift unit shifts gears by the compressed air from the air tank. It is a thing.

In this case, the change lever unit incorporates a reaction force imparting mechanism for imparting a reaction force to the change lever by compressed air during a gear shift, and when the gear shift according to the instruction of the change lever is performed, the control box The shift completion signal from the switch acts on the shift completion feedback electromagnetic valve.

By this action, the compressed air of the cylinder of the reaction force applying mechanism is discharged to give the change lever a feeling as if the gear is completely in the shift command position. As a mechanical semi-automatic transmission device of this type, There is known a transmission gear shift operation device of Japanese Utility Model Publication No. 5-12506, which is related to the application of the present applicant.

[0007]

In such a mechanical semi-automatic transmission device, when the compressed air of the cylinder of the reaction force applying mechanism at the time of completion of the shift with respect to the change lever is discharged, that feeling is felt. If you don't feel it and you release your hand from the change lever while the shift is in progress, there is a risk of damaging the gear due to uncertain gear connection.

In order to prevent this, there is a drawback that the operation must be continued not only during the period in which the shift is being performed but also after the shift is completed. According to the present invention, in order to eliminate such long-term continuous operation of the shift lever, the change is performed as instructed by the change lever.
An object of the present invention is to notify by a sound that changes the volume as the engine speed and running noise increase and decrease so that the operation of the shift lever can be completed promptly.

Another object of the present invention is to make it possible to adjust the volume so that it will not be missed due to the running conditions of the vehicle or the sensitivity or insensitivity of the driver's hearing and will not be missed.

[0010]

SUMMARY OF THE INVENTION The present invention relates to a means of a mechanical semi-automatic transmission device for achieving the above object, and in the invention of claim 1, a transmission and a
Gear switching instruction means for instructing gear switching of the transmission, gear shift means for switching gears of the transmission based on the instruction of the gear switching instruction means, pressure means for providing operating force to the gear shift means, and shift It is characterized in that it is provided with a completion detecting means for detecting completion and a sound volume generating means for notifying the completion of the shift based on the detection by the detecting means.

The invention according to claim 2 is different from the invention according to claim 1, in that the sound volume generating means includes an adjusting means for controlling based on at least the engine speed at that time or the traveling speed of the vehicle. To do.

The invention according to claim 3 is different from the invention according to claim 1 in that the volume generating means is artificial volume changing means that can be artificially changed.

[0013]

In the mechanical semi-automatic transmission device according to the first aspect of the present invention, when gear switching is instructed by operating the gear switching instructing means for instructing gear switching, the gear of the transmission is switched by the pressure of the pressure means. I do,
Gear shift is performed.

When the completion of the shift is detected by the completion detecting means, an output to the sound volume generating means is performed, and the generated sound notifies the completion of the shift.

Further, in the mechanical semi-automatic transmission device according to the second aspect, the volume of the volume generating means is increased or decreased by the control of the adjusting means based on either the rotational state of the engine at that time, the traveling speed of the vehicle, or both. The volume is set to an appropriate level with respect to noise associated with engine rotation and running.

Further, in the mechanical semi-automatic transmission according to the third aspect of the invention, the artificial volume changing means is operated based on the environment such as a running city or rural area, or the acuity of hearing of the driver, and the like. The volume control means is controlled so that the volume is adjusted according to the environment and the driver.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, as shown in FIG. 1, the rotation of the engine 1 is intermittently transmitted to a mechanical semi-automatic transmission 3 by a clutch 2, and the semi-automatic transmission 3 converts the driving speed of wheels by switching gears. Then, driving the vehicle is not different from the conventional driving mechanism of the vehicle.

The operating mechanism of this mechanical semi-automatic transmission is operated by a shift unit 5 provided with a shift lever 4 for instructing a gear shift and a reaction cam 6 provided on this shift lever 4, as shown in FIG. 5, for example. The air cylinder 8 provided with the roller 7 and the electromagnetic valve 11 controlled by the output of the control box 10 to supply the air supplied from the air reservoir 9 to the air cylinder 8.

This operating mechanism outputs the shift position from the shift unit 5 to the control box 10 as a shift instruction signal when the shift lever 4 is moved to the normal shift positions 4a and 4b shown in FIG. The control box 10 outputs to the electromagnetic valve 11 to operate it.

Then, the electromagnetic valve 11 becomes the air reservoir 9
The pressure from the air cylinder 8 is supplied to the air cylinder 8
Is extended, the roller 7 pushes the reaction cam 6 to apply a reaction force to the shift lever 4.

The output signal from the control box 10 operates the transmission actuator 12 to switch the gear of the semi-automatic transmission 3. When the gear switching of the semi-automatic transmission 3 is completed in this way, the transmission actuator 12 outputs a switching completion signal to the control box 10, and the control box 10 which has received this signal commands the electromagnetic valve 11 to send the air cylinder 8 Relieve pressure inside.

As a result, the pressing of the reaction cam 6 by the roller 7 of the air cylinder 8 disappears, the shift lever 4 can be returned to the neutral position with a light force, and the driver can know that the shift is completed.

In the mechanical type semi-automatic transmission device of FIG. 1 equipped with such a semi-automatic transmission 3, a rotation sensor 13 for detecting the rotation speed of the engine 1 is rotated in association with the vehicle speed of wheels, propeller shafts and the like. Vehicle speed sensor 14
Is provided with a clutch pedal sensor 16 that is turned on and off in response to the depression of the clutch pedal 15 that operates the clutch 2.

These rotation sensor 13 and vehicle speed sensor 1
4. The control unit 17, to which the output of the clutch pedal sensor 16 and the shift completion signal of the control box 10 are input, outputs a buzzer output signal to the shift completion buzzer 18, and outputs either the vehicle speed or the engine speed. The sensitive changeover switch 21 is changed over.

Then, the control unit 17 is inputted with a volume adjusting volume 19 which is manually adjusted according to the surrounding environment while traveling and a gain adjusting volume 20 which is arbitrarily adjusted according to the hearing of the driver.

The control unit 17 operates according to the flowchart of FIG. When the shift lever 4 is operated to start at step S1, the control box 10 is started at step S2.
If the shift completion signal is not input, the process returns to step S1 with NO.

However, if the shift completion signal is input, the process proceeds to step S3 with YES, and it is determined whether the sensitive changeover switch 21 is ON or OFF. If it is ON, the process proceeds to step S4. The vehicle speed sensor 14 reads the vehicle speed.

If it is OFF in step S4, the process proceeds to step S5, the engine speed is read by the rotation sensor 13 of the engine 1, and in any case of these steps S5 and S4, these values are dealt with in step S6. Then, the preset volume is selected, and the output corresponding to the volume selected in step S7 is output to the shift completion buzzer 18.

Before the output to the shift completion buzzer 18, if the volume adjustment volume 19 and the gain adjustment volume 20 for manually switching the volume are provided, the shift completion buzzer is set according to the set levels of these volumes. Since 18 sounds, the flow chart ends at step S8.

Therefore, in this mechanical semi-automatic transmission, the shift lever 4 is lightly operated with the completion of the shift, and at the same time, the shift completion buzzer 18 notifies the completion of the shift. The driver can hear this even if he / she cannot sense the operating condition.

Therefore, there is an advantage that the return operation of the shift lever 4 is delayed and the risk of being distracted and distracted from the driving can be avoided. Then, the volume can be changed according to the engine speed, the traveling speed of the vehicle, or the like as shown in the relational diagram of the engine rotational speed and the buzzer sound volume of FIG. The volume becomes louder in proportion to.

Further, the gradient of the volume change corresponding to the engine speed or the vehicle speed by the artificial volume adjusting means according to the noise around the driving place and the good hearing of the driver as shown by the dotted line in FIG. Can be changed or the minimum level of the generated sound volume shown at the left end of FIG. 3 can be set, so that the sound of the shift completion buzzer 18 cannot be heard or is difficult to hear.
It doesn't bother me.

FIG. 4 shows a display monitor 2 in comparison with the previous embodiment.
5, the display monitor 25 is connected to the control unit 17 as an input / output relationship with the control unit 17, and the shift completion buzzer 18 and the volume control volume are connected via the display monitor 25. 19, gain adjusting volume 20, sensitive switch 2
1 is connected to the control unit 17.

Also in this embodiment, the display monitor 25
It is not different from the previous example except that it is visually appealing.

[0035]

As described above, the present invention provides a mechanical semi-automatic transmission system in which the transmission gears are artificially instructed from a remote location, and the transmission gears are switched based on this instruction.
In addition to the light operation of the shift lever based on the completion, it is possible to inform the driver's hearing by reporting the sound volume of the sound volume generating means such as a buzzer.

Therefore, it is possible to reduce the distraction of driving due to the operation of the shift lever being maintained for a long time, and it is possible to secure driving safety. The volume generated by the volume generating means is an appropriate volume that does not cause a masking effect on the engine speed, the traveling speed of the vehicle, the noise at the traveling location, the sensitivity of the driver's hearing, and the like. You can do so and not be overlooked or annoying.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a flowchart of a control unit of the above.

FIG. 3 is a diagram showing a relationship between engine speed and buzzer sound volume.

FIG. 4 is a circuit diagram of a control unit according to another embodiment.

FIG. 5 is a configuration diagram of a transmission mechanism of a mechanical semi-automatic transmission device.

[Explanation of symbols]

3 semi-automatic transmission (transmission) 4 shift lever (gear switching instruction means) 9 air reservoir (pressure means) 10 control box (gear switching means) 13 rotation sensor (rotation speed detection means) 14 speed sensor (travel speed detection means) 17 control Unit (completion detecting means, adjusting means) 18 Shift completion buzzer (volume generating means) 19 Volume adjusting volume (artificial volume changing means) 20 Gain adjusting volume (artificial volume changing means) 21 Sensitive changeover switch

Claims (3)

[Claims] 1. A transmission, a gear switching instructing means for instructing switching of a gear of the transmission, a gear shift means for switching a gear of the transmission based on an instruction of the gear switching instructing means, and an operating force for the gear shifting means. A mechanical semi-automatic transmission device, comprising: a pressure means for providing a shift, a completion detecting means for detecting the completion of the shift, and a volume generating means for notifying the completion of the shift based on the detection of the detecting means. 2. The mechanical semi-automatic transmission according to claim 1, wherein the volume generating means is an adjusting means for controlling based on at least the engine speed at that time or the traveling speed of the vehicle. 3. The mechanical semi-automatic transmission according to claim 1, wherein the volume generating means is an artificial volume changing means that can be artificially changed.