CN212588222U - Electromagnetic direct-acting speed-changing torque-changing device - Google Patents

Abstract

The utility model belongs to the technical field of the motor preparation, specifically be electromagnetism direct action type variable speed torque converter, including input shaft, sun gear, planet wheel, ring gear, planet carrier, electromagnetism direct action type clutch, electromagnetism direct action type stopper, output shaft, front disc lid, casing, back disc lid. The utility model discloses a realize that single motor is under the unchangeable condition of rated power and automatically controlled drive system, use this electromagnetism direct action formula variable speed torque converter, make original motor can alternate rated rotational speed and torque output, namely can have two kinds of different rated rotational speeds and torque output under the unchangeable condition of single motor rated power; under the normal condition, the operation uses 1:1 gear, the motor operates economically at high speed and low torque, and under the condition of full load or overload, the speed is 1/(1+ Z4/Z2) times (speed reduction) and the torque is (1+ Z4/Z2) times (torque increase), the motor operates at low speed and high torque; under the two conditions, the motor is output at rated power, so that the consumption of reactive power is reduced, and the loss of electric energy is reduced.

Description

Electromagnetic direct-acting speed-changing torque-changing device

Technical Field

The utility model belongs to the technical field of the motor preparation, specifically relate to electromagnetism direct action formula variable speed torque converter.

Background

At present, the pure electric vehicle is driven by a motor, the motor replaces an engine, has various advantages such as no oil consumption and no emission, is the main development direction of new energy at present, but the motor is a driving machine of the vehicle, and still has the problems that although the motor is driven by a frequency converter, the running working condition of the vehicle is difficult to satisfy by using a single motor, for example, when the pure electric vehicle is fully loaded and climbs or starts, the maximum power and the maximum torque output of the motor are often utilized, because the output is not at the rated power and the rated torque, the efficiency of the motor is reduced, the reactive part of the motor is increased, the efficiency of the electric energy which is absorbed by the motor from the battery is greatly reduced, the ineffective loss of the electric energy of the battery is increased, the battery with the same capacity, after the electric energy is lost in an invalid way, the single endurance mileage of the vehicle is greatly reduced, and the large current fluctuation is caused by the increase of the reactive power, so that the service life of the motor and the battery is influenced. Therefore, the problem of selecting the motor of the pure electric vehicle is that the rated power, the rated torque and the rated rotating speed of the motor are selected under the normal working condition, the normal operation is the most economical, but the problem occurs when the vehicle climbs or starts under the full load, if the full load is selected for climbing or starting, although the full load climbing or starting is solved, in order to keep the original highest speed, the rated power and the rated torque of the motor are increased, so that when the vehicle runs under the normal working condition, the vehicle is pulled by a large vehicle, the vehicle is not economical, the efficiency of the motor is reduced, and the endurance mileage of the vehicle is influenced.

It is noted that the information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model discloses when the operation of normal operating mode, the motor is with rated power, rated revolution and rated torque operation, when full load climbing or starting operating mode operation, the motor still moves under rated power, rated revolution and rated torque, uses the function of electromagnetism direct action formula variable speed torque converter, and the increase torque of slowing down gives the vehicle increase thrust, satisfies the power demand of full load climbing or starting. The invention provides a pure electric vehicle system with one more choice, solves full-load climbing or starting, improves the running performance of the vehicle, reduces the loss of reactive power, and achieves the designed maximum endurance mileage under the condition of unchanged battery capacity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

electromagnetism direct action formula variable speed torque converter, including input shaft, sun gear, planet wheel, ring gear, planet carrier, electromagnetism direct action formula clutch, electromagnetism direct action formula stopper, output shaft, front bezel lid, casing, rear bezel lid, the input shaft with the sun gear passes through the key-type connection, the input shaft with electromagnetism direct action formula clutch passes through the planet carrier is connected, electromagnetism direct action formula stopper with the ring gear is connected, the planet carrier with output shaft connects.

On the basis of the technical scheme, the sun gear is arranged outside the middle section of the input shaft, the electromagnetic direct-acting clutch is arranged outside the position, close to the upper end, of the input shaft, and the electromagnetic direct-acting brake is meshed with the gear ring.

On the basis of the technical scheme, the electromagnetic direct-acting clutch or the electromagnetic direct-acting brake is switched to work, so that the sun gear works or does not work, and one input of the input shaft is converted into the output of the output shaft with multiple gears and different rotating speeds and torques.

On the basis of the technical scheme, the device uses the electromagnetic direct-acting clutch and the electromagnetic direct-acting brake to replace a traditional clutch and a traditional brake, and can realize alternate work.

On the basis of the technical scheme, the upper part of the shell is connected with the front disc through bolts, the upper part of the front disc is connected with the front disc cover through bolts, the lower part of the shell is connected with the rear disc through bolts, and the lower part of the rear disc is connected with the rear disc cover through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

the electromagnetic direct-acting type speed and torque changing device has the advantages that under the condition that the rated power and the electric control dragging system of a single motor are not changed, the original motor can change the rated rotating speed and torque output, namely, under the condition that the rated power of the single motor is not changed, two different rated rotating speeds and torque outputs can be realized, the motor is guaranteed to output at the rated power under the condition that the single motor is under different working conditions, the efficiency of electric energy absorbed by the motor from a battery is not changed, the invalid loss of the electric energy of the battery is reduced, the maximum endurance mileage is designed under the condition that the capacity of the battery is not changed, and then, because the reactive power is reduced, the large-current fluctuation is reduced, and the service lives of the motor and the.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is an isometric view of an electromagnetic direct-acting type speed and torque conversion device according to the present invention;

FIG. 2 is a schematic view of the internal installation of the electromagnetic direct-acting type speed and torque changing device according to the present invention;

FIG. 3 is an operation diagram of the electromagnetic direct-acting type speed and torque changing device of the present invention at 1 st gear;

FIG. 4 is an operation diagram of the electromagnetic direct-acting type speed and torque changing device of the present invention at the 2 nd gear;

fig. 5 is an operation diagram of the electromagnetic direct-acting type speed and torque conversion device of the present invention at 3 th gear.

The reference numerals are explained below:

1. an input shaft; 2. a sun gear; 3. a planet wheel; 4. a ring gear; 5. a planet carrier; 6. an electromagnetic direct acting clutch; 7. an electromagnetic direct-acting brake; 8. an output shaft; 9. a front plate; 10. a front panel cover; 11. a housing; 12. a rear disc; 13. and (4) covering the rear plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: including input shaft 1, sun gear 2, planet wheel 3, ring gear 4, planet carrier 5, electromagnetism direct acting type clutch 6, electromagnetism direct acting type stopper 7, output shaft 8, front disc 9, front disc lid 10, casing 11, back dish 12, back disc lid 13, input shaft 1 passes through the key-type connection with sun gear 2, input shaft 1 passes through planet carrier 5 with electromagnetism direct acting type clutch 6 and is connected, electromagnetism direct acting type stopper 7 is connected with ring gear 4, planet carrier 5 is connected with output shaft 8.

On the basis of the above-described embodiment: the external part of the middle section of the input shaft 1 is provided with a sun gear 2, the external part of the input shaft 1 near the upper end is provided with an electromagnetic direct-acting clutch 6, and an electromagnetic direct-acting brake 7 is meshed with the gear ring 4; when the electromagnetic direct-acting clutch 6 or the electromagnetic direct-acting brake 7 works, the sun gear 2 works or does not work, so that one input of the input shaft 1 is converted into the output of the output shaft 8 with multiple gears and different rotating speeds and torques; the device uses the electromagnetic direct-acting clutch 6 and the electromagnetic direct-acting brake 7 to replace the traditional clutch and brake, and can realize alternate work; the upper part of the shell 11 is connected with a front disc 9 through bolts, the upper part of the front disc 9 is connected with a front disc cover 10 through bolts, the lower part of the shell 11 is connected with a rear disc 12 through bolts, and the lower part of the rear disc 12 is connected with a rear disc cover 13 through bolts.

The utility model discloses a theory of operation and use flow: this electromagnetism direct action formula variable speed torque converter is through controlling electromagnetism direct action formula clutch 6 and electromagnetism direct action formula stopper 7 but trade work, reaches gear train work and not working, obtains 3 grades of different rotational speeds and torques:

as shown in fig. 3 at the 1 st gear, the electromagnetic direct-acting clutch 6 does not work, and the electromagnetic direct-acting brake 7 does not work; power transmission: and no rotating speed and torque output.

In the 2 nd gear, as shown in fig. 4, the electromagnetic direct-acting clutch 6 works, and the electromagnetic direct-acting brake 7 does not work: the input shaft 1 is connected with a planet carrier 5, the planet carrier 5 is connected with an output shaft 8, and the 4Z gear ring 4 follows. Power transmission sequence: the input shaft 1, the electromagnetic direct-acting clutch 6, the planet carrier 5 and the output shaft 8 achieve the output of 1/1 and 1/1.

In the 3 rd gear, as shown in fig. 5, the electromagnetic direct-acting clutch 6 does not work, and the electromagnetic direct-acting brake 7 works: the input shaft 1 and the sun gears 2 and 4Z gear rings 4 are braked by an electromagnetic direct-acting brake 7, the 4Z gear rings 4 react on the 3Z planet gears 3, the planet carrier 5 generates a deceleration corresponding input shaft, and the planet carrier 5 is connected with an output shaft 8. Power transmission sequence: input shaft 1-2Z sun gear 2-3Z planet gear 3-planet carrier 5-output shaft 8. Thus, the output of 1/1+ Z4/Z2 times speed reduction and 1+ Z4/Z2 times torque increase is achieved.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (5)

1. Electromagnetism direct action formula variable speed torque converter, including input shaft (1), sun gear (2), planet wheel (3), ring gear (4), planet carrier (5), electromagnetism direct action formula clutch (6), electromagnetism direct action formula stopper (7), output shaft (8), front disc (9), front disc lid (10), casing (11), rear disc (12), rear disc lid (13), its characterized in that: the input shaft (1) with sun gear (2) passes through the key-type connection, input shaft (1) with electromagnetism direct action formula clutch (6) pass through planet carrier (5) are connected, electromagnetism direct action formula stopper (7) with ring gear (4) are connected, planet carrier (5) with output shaft (8) are connected.

2. The electromagnetic direct-acting speed and torque conversion device according to claim 1, characterized in that: the sun gear (2) is arranged outside the middle section of the input shaft (1), the electromagnetic direct-acting clutch (6) is arranged outside the upper end close to the input shaft (1), and the electromagnetic direct-acting brake (7) is meshed with the gear ring (4).

3. The electromagnetic direct-acting speed and torque conversion device according to claim 1, characterized in that: when the electromagnetic direct-acting clutch (6) or the electromagnetic direct-acting brake (7) works, the sun gear (2) works or does not work, so that one input of the input shaft (1) is converted into the output of the output shaft (8) with multiple gears and different rotating speeds and torques.

4. The electromagnetic direct-acting speed and torque conversion device according to claim 3, characterized in that: the device uses the electromagnetic direct-acting clutch (6) and the electromagnetic direct-acting brake (7) to replace the traditional clutch and brake, and can realize alternate work.

5. The electromagnetic direct-acting speed and torque conversion device according to claim 1, characterized in that: the upper portion of casing (11) has through bolted connection front disc (9), the upper portion of front disc (9) has through bolted connection front disc lid (10), the lower part of casing (11) has through bolted connection back dish (12), the lower part of back dish (12) has through bolted connection back dish lid (13).

Images