Automatic control device of transmission

Abstract

The utility model relates to an automatic control device of a transmission. Comprising a transmission ECU, a transmission shell, a transmission input wheel, a second-gear and fourth-gear transmission shaft, a fourth-gear transmission gear, a second-gear and fourth-gear transmission shifting fork, a second-gear transmission gear, a first-gear and third-gear transmission shaft, a first-gear and third-gear transmission shifting fork, a third-gear transmission gear, a first-gear transmission gear, a second-gear and fourth-gear stepping motor device, a first-gear and third-gear stepping motor device, a plurality of electromagnetic devices, a first reset spring and a second reset spring. The transmission ECU controls attraction and push-and-pull of the stepping motor device or the electromagnetic device and locking and resetting of the limiting spring and the reset springs, combination and separation of a transmission gear and a shifting fork are controlled, automatic gear shifting of a transmission is controlled, manual operation is not needed, operation is convenient, and operation is easy. Therefore, the vehicle speed adjustment and the power transmission are realized; according to different driving requirements and working conditions, the gears of the transmission are flexibly and automatically adjusted, so that the optimal power output is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of electric motorcycle transmission, in particular to an automatic control device for a transmission. Background Art

[0002] With increasing environmental awareness and demands for more efficient travel, the market demand for electric motorcycles continues to grow. However, existing electric motorcycle transmissions still have room for improvement in terms of efficiency, performance, and intelligence.

[0003] For example, Chinese invention patent publication number CN 102862646 B discloses an electric motorcycle transmission mechanism primarily comprised of first, second, and third gears, first and second one-way bearings, first and second reduction gears, and a drive gear. When the electric motor shaft rotates at a first speed in a first clockwise direction, it drives the first gear, first one-way bearing, and second gear to rotate in the first clockwise direction, and drives the second reduction gear and drive gear to rotate in the first clockwise direction at a second speed. When the electric motor shaft rotates at a first speed in a second clockwise direction, it drives the first gear and first reduction gear to rotate in the second clockwise direction, simultaneously driving the third gear and second one-way bearing to rotate in the first clockwise direction, and driving the second gear, second reduction gear, and drive gear to rotate in the first clockwise direction at a third speed. By controlling the rotational direction of the electric motor shaft, the electric motorcycle transmission mechanism of the present invention achieves the function of adjusting output torque. However, this electric motorcycle transmission mechanism does not automatically control the transmission gear position. Summary of the Invention

[0004] In order to solve the above technical defects of the prior art, the purpose of the present invention is to provide an automatic control device for a transmission, which can control the engagement and separation of the transmission gears and the shift fork, and control the automatic shifting of the transmission to achieve vehicle speed regulation and power transmission.

[0005] In order to solve the above technical problems, the solution adopted by the present invention is as follows:

[0006] A transmission automatic control device includes a transmission ECU and a transmission input wheel, a 2 / 4 gear transmission shaft, and a 1 / 3 gear transmission shaft located in a transmission housing. The 2 / 4 gear transmission shaft is equipped with a 4th gear transmission gear, a 2 / 4 gear transmission shift fork, and a 2nd gear transmission gear; the 1 / 3 gear transmission shaft is equipped with a 1 / 3 gear transmission shift fork, a 3rd gear transmission gear, and a 1st gear transmission gear. The automatic control device also includes multiple stepper motor devices and multiple electromagnetic devices. The transmission ECU controls the engagement and push-pull of the stepper motor device or the electromagnetic device.

[0007] Preferably, the automatic control device further includes a first return spring, a second return spring, a third return spring, a fourth return spring, and a limit spring. The locking and resetting of the limit springs and the return springs are controlled by the transmission ECU to control the engagement and disengagement of the transmission gears and the shift fork, thereby controlling automatic shifting of the transmission without manual operation, thereby achieving vehicle speed regulation and power transmission. The transmission gear can be flexibly and automatically adjusted according to different driving needs and operating conditions to achieve optimal power output.

[0008] In any of the above schemes, preferably, the stepper motor device includes a 2 / 4 gear stepper motor device and a 1 / 3 gear stepper motor device; the electromagnetic device includes a 2 / 4 gear electromagnetic device, a 1 / 3 gear electromagnetic device, a 2 gear electromagnetic device and a 1 gear electromagnetic device.

[0009] In any of the above schemes, it is preferred that when the transmission ECU controls the 1 / 3 gear stepper motor device to push forward, the return spring I and the limit spring are locked, so as to control the combination of the 1st gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into the first gear; when the transmission ECU controls the 2 / 4 gear stepper motor device to push forward, the second return spring and the limit spring are locked, so as to control the combination of the 2nd gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into the second gear; when the transmission ECU controls the 1 / 3 gear stepper motor device to pull backward, the third return spring and the limit spring are locked, so as to control the combination of the 3rd gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into the third gear; when the transmission ECU controls the 2 / 4 gear stepper motor device to pull backward, the fourth return spring and the limit spring are locked, so as to control the combination of the 4th gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into the fourth gear.

[0010] In any of the above schemes, it is preferred that the transmission ECU controls the 1st gear electromagnetic device to pull backward, the first return spring and the limit spring are locked, so as to control the combination of the 1st gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into the first gear; the transmission ECU controls the 2nd gear electromagnetic device to pull backward, the second return spring and the limit spring are locked, so as to control the combination of the 2nd gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into the second gear; the transmission ECU controls the 3rd gear electromagnetic device to pull backward, the third return spring and the limit spring are locked, so as to control the combination of the 3rd gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into the third gear; the transmission ECU controls the 4th gear electromagnetic device to pull backward, the fourth return spring and the limit spring are locked, so as to control the combination of the 4th gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into the fourth gear.

[0011] In any of the above schemes, it is preferred that the transmission ECU controls the 1 / 3 gear electromagnetic device to engage to the right, so as to control the combination of the 1st gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically engages into first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device to engage to the right, so as to control the combination of the 2nd gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically engages into second gear; the transmission ECU controls the 1 / 3 gear electromagnetic device to engage to the left, so as to control the combination of the 3rd gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically engages into third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device to engage to the left, so as to control the combination of the 4th gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically engages into fourth gear.

[0012] In any of the above schemes, it is preferred that the transmission ECU controls the 1 / 3 gear electromagnetic device to push forward, the first return spring and the limit spring are locked, so as to control the combination of the 1st gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device to push forward, the second return spring and the limit spring are locked, so as to control the combination of the 2nd gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into second gear; the transmission ECU controls the 1 / 3 gear electromagnetic device to pull backward, the third return spring and the limit spring are locked, so as to control the combination of the 3rd gear transmission gear and the 1 / 3 gear transmission fork, and the transmission automatically shifts into third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device to pull backward, the fourth return spring and the limit spring are locked, so as to control the combination of the 4th gear transmission gear and the 2 / 4 gear transmission fork, and the transmission automatically shifts into fourth gear.

[0013] In summary, the automatic control device of the transmission of the present invention has the following advantages: the driving motor drives the transmission input wheel to work, and the transmission ECU controls the attraction and push-pull of the electromagnetic device / stepper motor device, and the locking and resetting of the limit spring and the return spring to realize the control of the engagement and separation of the transmission gear and the shift fork, thereby realizing automatic control of the transmission without manual operation; the gear position of the transmission can be flexibly and automatically adjusted according to different driving needs and working conditions to achieve optimal power output; by adding a transmission ECU to control the attraction and push-pull of the electromagnetic device / stepper motor device, and the locking and resetting of the limit spring and the return spring, the engagement and separation of the transmission gear and the shift fork can be controlled, thereby realizing automatic control of the transmission.

[0014] Explanation of Figure Numbers

[0015] Transmission input wheel 1, 2 / 4 gear transmission shaft 2, transmission housing 3, 4th gear transmission gear 4, 2 / 4 gear transmission fork 5, 2nd gear transmission gear 6, 2 / 4 gear stepper motor device 7, 1 / 3 gear stepper motor device 8, 2 / 4 gear electromagnetic device 71, 1 / 3 gear electromagnetic device 81, 4th gear electromagnetic device 72, 3rd gear electromagnetic device 82, first return spring 9, second return spring 10, third return spring 11, fourth return spring 12, limit spring 13, 1 / 3 gear transmission fork 14, 3rd gear transmission gear 15, 1st gear transmission gear 16, 1 / 3 gear transmission shaft 17, 2nd gear electromagnetic device 18, 1st gear electromagnetic device 19. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a preferred embodiment of the transmission route of the automatic control device of the transmission according to the present utility model.

[0017] Figure 2 It is a schematic diagram of a second preferred embodiment of the transmission route of the automatic control device of the transmission according to the present utility model.

[0018] Figure 3 It is a schematic diagram of a third preferred embodiment of the transmission route of the automatic control device of the transmission according to the present utility model.

[0019] Figure 4 It is a schematic diagram of a third preferred embodiment of the transmission route of the automatic control device of the transmission according to the present utility model. DETAILED DESCRIPTION

[0020] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or use. A specific embodiment of the automatic control device for a transmission of the present invention will be further described below in conjunction with the accompanying drawings.

[0021] like Figure 1 FIG2 is a schematic diagram of a preferred embodiment of a transmission circuit for an automatic transmission control device according to the present invention. The automatic transmission control device of the present invention includes a transmission ECU, a transmission input wheel 1, a 2 / 4 gear transmission shaft 2, and a 1 / 3 gear transmission shaft 17 located within a transmission housing 3. The 2 / 4 gear transmission shaft 2 is mounted with a 4th gear transmission gear 4, a 2 / 4 gear transmission fork 5, and a 2nd gear transmission gear 6; the 1 / 3 gear transmission shaft 17 is mounted with a 1 / 3 gear transmission fork 14, a 3rd gear transmission gear 15, and a 1st gear transmission gear 16. The automatic control device also includes multiple stepper motor devices and multiple electromagnetic devices. The transmission ECU controls the engagement and pull of the stepper motor devices or the electromagnetic devices.

[0022] In this embodiment, the automatic control device further includes a first return spring 9, a second return spring 10, a third return spring 11, a fourth return spring 12, and a limit spring 13. The locking and resetting of the limit springs and return springs are controlled by the transmission ECU, thereby controlling the engagement and disengagement of the transmission gears and shift forks, and automatically shifting the transmission without manual operation, thereby achieving vehicle speed regulation and power transmission. The transmission can flexibly and automatically adjust gears to achieve optimal power output based on different driving needs and operating conditions.

[0023] In this embodiment, the stepper motor device includes a 2 / 4 gear stepper motor device 7 and a 1 / 3 gear stepper motor device 8 .

[0024] In this embodiment, when the transmission ECU controls the 1 / 3 gear stepper motor device 8 to push forward, the first return spring 9 and the limit spring 13 are locked, thereby controlling the engagement of the 1st gear transmission gear 16 with the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into first gear. When the transmission ECU controls the 2 / 4 gear stepper motor device 7 to push forward, the second return spring 10 and the limit spring 13 are locked, thereby controlling the engagement of the 2nd gear transmission gear 6 with the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into second gear. When the transmission ECU controls the 1 / 3 gear stepper motor device 8 to pull backward, the third return spring 11 and the limit spring 13 are locked, thereby controlling the engagement of the 3rd gear transmission gear 15 with the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into third gear. When the transmission ECU controls the 2 / 4 gear stepper motor device 7 to pull backward, the fourth return spring 12 and the limit spring 13 are locked, thereby controlling the engagement of the 4th gear transmission gear 4 with the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into fourth gear.

[0025] like Figure 2 FIG. 1 is a schematic diagram of a second preferred embodiment of a transmission route of an automatic control device for a transmission according to the present invention.

[0026] In this embodiment, the electromagnetic device includes a 4-gear electromagnetic device 72 , a 3-gear electromagnetic device 82 , a 2-gear electromagnetic device 18 and a 1-gear electromagnetic device 19 .

[0027] In this embodiment, the transmission ECU controls the 1st gear electromagnetic device 19 to pull backward, and the first return spring 9 and the limit spring 13 are locked, so as to control the combination of the 1st gear transmission gear 16 and the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into the first gear; the transmission ECU controls the 2nd gear electromagnetic device 18 to pull backward, and the second return spring 10 and the limit spring 13 are locked, so as to control the combination of the 2nd gear transmission gear 6 and the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into the second gear; the transmission ECU controls the 3rd gear electromagnetic device 82 to pull backward, and the third return spring 11 and the limit spring 13 are locked, so as to control the combination of the 3rd gear transmission gear 15 and the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into the third gear; the transmission ECU controls the 4th gear electromagnetic device 72 to pull backward, and the fourth return spring 12 and the limit spring 13 are locked, so as to control the combination of the 4th gear transmission gear 4 and the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into the fourth gear.

[0028] See Figure 3 FIG. 1 is a schematic diagram of a third preferred embodiment of the transmission route of the automatic control device of the transmission according to the present invention.

[0029] In this embodiment, the electromagnetic device includes a 2 / 4 gear electromagnetic device 71 and a 1 / 3 gear electromagnetic device 81 .

[0030] In this embodiment, the transmission ECU controls the 1 / 3 gear electromagnetic device 81 to engage to the right, thereby controlling the combination of the 1st gear transmission gear 16 and the 1 / 3 gear transmission fork 14, and the transmission automatically engages into first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device 71 to engage to the right, thereby controlling the combination of the 2nd gear transmission gear 6 and the 2 / 4 gear transmission fork 5, and the transmission automatically engages into second gear; the transmission ECU controls the 1 / 3 gear electromagnetic device 81 to engage to the left, thereby controlling the combination of the 3rd gear transmission gear 15 and the 1 / 3 gear transmission fork 14, and the transmission automatically engages into third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device 71 to engage to the left, thereby controlling the combination of the 4th gear transmission gear 4 and the 2 / 4 gear transmission fork 5, and the transmission automatically engages into fourth gear.

[0031] Last read Figure 4 FIG. 1 is a schematic diagram of a fourth preferred embodiment of a transmission route of an automatic control device for a transmission according to the present invention.

[0032] In this embodiment, the electromagnetic device includes a 2 / 4 gear electromagnetic device 71 and a 1 / 3 gear electromagnetic device 81 .

[0033] In this embodiment, the transmission ECU controls the 1 / 3 gear electromagnetic device 81 to push forward, the first return spring 9 and the limit spring 13 are locked, so as to control the engagement of the 1st gear transmission gear 16 with the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device 71 to push forward, the second return spring 10 and the limit spring 13 are locked, so as to control the engagement of the 2nd gear transmission gear 6 with the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into second gear; the transmission ECU controls the 1 / 3 gear electromagnetic device 81 to pull backward, the third return spring 11 and the limit spring 13 are locked, so as to control the engagement of the 3rd gear transmission gear 15 with the 1 / 3 gear transmission fork 14, and the transmission automatically shifts into third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device 71 to pull backward, the fourth return spring 12 and the limit spring 13 are locked, so as to control the engagement of the 4th gear transmission gear 4 with the 2 / 4 gear transmission fork 5, and the transmission automatically shifts into fourth gear.

[0034] The automatic control device of the transmission of the utility model does not require manual operation and can flexibly and automatically adjust the gear position of the transmission according to different driving requirements and working conditions to achieve optimal power output.

[0035] When the gear is in N gear, the transmission ECU receives the N gear signal, the motor operates normally, and there is no power output; when the gear is in D gear, the transmission ECU receives the D gear signal, the brake is released, and the vehicle starts in 1st gear. As the speed increases, it shifts into higher gears in sequence; when the gear is in L gear, the transmission ECU receives the L gear signal, the power output torque increases, and the gears increase in sequence without entering the highest gear; when the vehicle brakes, it shifts into lower gears in sequence as the speed decreases.

[0036] The automatic control device of the transmission of the utility model enables the electric motorcycle to reduce the loss during energy transmission and improve the transmission efficiency.

[0037] Those skilled in the art will readily appreciate that the automatic transmission control device of the present invention comprises any combination of the components described in this specification. Due to space limitations and to maintain clarity, these combinations are not described in detail here. However, after reading this specification, the scope of the present invention, encompassed by any combination of the components described herein, is self-evident.

Claims

1. A transmission automatic control device, comprising a transmission ECU and a transmission input wheel (1), a 2 / 4 gear transmission shaft (2), and a 1 / 3 gear transmission shaft (17) located in a transmission housing (3), wherein the 2 / 4 gear transmission shaft (2) is provided with a 4 gear transmission gear (4), a 2 / 4 gear transmission fork (5), and a 2 gear transmission gear (6); and the 1 / 3 gear transmission shaft (17) is provided with a 1 / 3 gear transmission fork (14), a 3 gear transmission gear (15), and a 1 gear transmission gear (16), and wherein: The automatic control device further includes a plurality of stepper motor devices and a plurality of electromagnetic devices, and the transmission ECU controls the attraction and push and pull of the stepper motor devices or the electromagnetic devices.

2. The automatic control device for a transmission according to claim 1, wherein: The automatic control device further comprises a first return spring (9), a second return spring (10), a third return spring (11), a fourth return spring (12) and a limit spring (13); the locking and resetting of the limit spring and the return spring are controlled by the transmission ECU.

3. The automatic control device for a transmission according to claim 1, wherein: The stepper motor device comprises a 2 / 4 gear stepper motor device (7) and a 1 / 3 gear stepper motor device (8); the electromagnetic device comprises a 2 / 4 gear electromagnetic device (71), a 1 / 3 gear electromagnetic device (81), a 2 gear electromagnetic device (18) and a 1 gear electromagnetic device (19).

4. The automatic control device for a transmission according to claim 3, wherein: When the transmission ECU controls the 1 / 3 gear stepper motor device (8) to push forward, the first return spring (9) and the limit spring (13) are locked, thereby controlling the combination of the 1 gear transmission gear (16) and the 1 / 3 gear transmission fork (14), and the transmission automatically shifts into the first gear; when the transmission ECU controls the 2 / 4 gear stepper motor device (7) to push forward, the second return spring (10) and the limit spring (13) are locked, thereby controlling the combination of the 2 gear transmission gear (6) and the 2 / 4 gear transmission fork (5), and the transmission automatically shifts into the second gear; The transmission ECU controls the 1 / 3 gear stepper motor device (8) to pull backward, and the third return spring (11) and the limit spring (13) are locked, thereby controlling the combination of the 3rd gear transmission gear (15) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages the third gear; the transmission ECU controls the 2 / 4 gear stepper motor device (7) to pull backward, and the fourth return spring (12) and the limit spring (13) are locked, thereby controlling the combination of the 4th gear transmission gear (4) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages the fourth gear.

5. The automatic control device for a transmission according to claim 3, wherein: The transmission ECU controls the first gear electromagnetic device (19) to pull backward, the first return spring (9) and the limit spring (13) to lock, and realizes the control of the combination of the first gear transmission gear (16) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages the first gear; the transmission ECU controls the second gear electromagnetic device (18) to pull backward, the second return spring (10) and the limit spring (13) to lock, and realizes the control of the combination of the second gear transmission gear (6) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages the second gear; The transmission ECU controls the 3rd gear electromagnetic device (82) to pull backward, and the third return spring (11) and the limit spring (13) are locked, thereby controlling the combination of the 3rd gear transmission gear (15) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages the 3rd gear; the transmission ECU controls the 4th gear electromagnetic device (72) to pull backward, and the fourth return spring (12) and the limit spring (13) are locked, thereby controlling the combination of the 4th gear transmission gear (4) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages the 4th gear.

6. The automatic control device for a transmission according to claim 3, wherein: The transmission ECU controls the 1 / 3 gear electromagnetic device (81) to engage rightward, thereby controlling the combination of the 1 gear transmission gear (16) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages in the first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device (71) to engage rightward, thereby controlling the combination of the 2 gear transmission gear (6) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages in the second gear; the transmission ECU controls the 1 / 3 gear electromagnetic device (81) to engage leftward, thereby controlling the combination of the 3 gear transmission gear (15) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages in the third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device (71) to engage leftward, thereby controlling the combination of the 4 gear transmission gear (4) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages in the fourth gear.

7. The automatic control device for a transmission according to claim 3, wherein: The transmission ECU controls the 1 / 3 gear electromagnetic device (81) to push forward, the first return spring (9) and the limit spring (13) to lock, and realizes the control of the combination of the 1st gear transmission gear (16) and the 1 / 3 gear transmission fork (14), and the transmission automatically shifts into the first gear; the transmission ECU controls the 2 / 4 gear electromagnetic device (71) to push forward, the second return spring (10) and the limit spring (13) to lock, and realizes the control of the combination of the 2nd gear transmission gear (6) and the 2 / 4 gear transmission fork (5), and the transmission automatically shifts into the second gear; The transmission ECU controls the 1 / 3 gear electromagnetic device (81) to pull backward, and the third return spring (11) and the limit spring (13) are locked, thereby controlling the combination of the 3rd gear transmission gear (15) and the 1 / 3 gear transmission fork (14), and the transmission automatically engages the third gear; the transmission ECU controls the 2 / 4 gear electromagnetic device (71) to pull backward, and the fourth return spring (12) and the limit spring (13) are locked, thereby controlling the combination of the 4th gear transmission gear (4) and the 2 / 4 gear transmission fork (5), and the transmission automatically engages the fourth gear.

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