35results about How to "Simple and reliable switching" patented technology

Provided is an image display device. Interpupillary adjustment can be carried out properly and rapidly according to different observers. The image display device is characterized in that the image display device used while mounted on a head of an observer includes: a left-eye display unit having an optical section adapted to form a virtual image for a left eye of the observer; a right-eye display unit having an optical section adapted to form a virtual image for a right eye of the observer; and an interpupillary adjustment mechanism adapted to adjust a distance between the left-eye display unit and the right-eye display unit, wherein the interpupillary adjustment mechanism includes a first adjustment mechanism capable of simultaneously adjusting a position of the left-eye display unit and a position of the right-eye display unit, and a second adjustment mechanism capable of independently adjusting only either one of the position of the left-eye display unit and the position of the right-eye display unit.

The invention discloses a power transmission system and a vehicle thereof. The power transmission system includes: a power source; a first motor generator unit; a system power output part; a mode conversion device, and the mode conversion device includes: an input part and a planetary gear mechanism , an adapter and an output part, the output part is connected to the input end of the power output part of the system, the input part outputs the power from the power source and the first motor generator unit, the planetary gear mechanism includes first to third elements, the first The element is fixed to the input part, the second element is fixedly arranged, and the adapter is used to selectively engage one of the first element and the third element with the output part, and the output part is engaged with the third element, so as to be suitable for making the input part output a high speed The speed at the input end of the power output part of the system. In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions.

The invention discloses a power transmission system and a vehicle with the same. The power transmission system includes a power source, a speed change unit, a first motor generator unit, a switching module, a second motor generator, a system power output part and a mode conversion device; the first motor generator unit comprises a first motor generator and a unit coupling part; the first motor generator is selectively in dynamic coupled connection with the speed change unit or the unit coupling part through the switching module; the second motor generator is directly or selectively in dynamiccoupled connection with an engine; the mode conversion device comprises an input part and an output part, the conversion device input part is in dynamic coupled connection with the speed change unit and the unit coupling part separately, the output part is connected with the system power output part, and the input part is selectively connected with the output part; when the input part is in dynamic coupled connection with the output part, the rotational speed of the input part is greater than or equal to that of the output part. In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions.

The invention discloses a power transmission system and a vehicle with it. The power transmission system includes: a power source; a speed change unit, the speed change unit is selectively connected to the power source by power coupling; a first motor generator unit; a system power output part; A mode conversion device, the mode conversion device includes a conversion device input part and a conversion device output part, the conversion device input part outputs power from at least one of the power source and the first motor generator unit, the conversion device output part and the system power output part The input end of the conversion device is connected to the input part of the conversion device and the output part of the conversion device is selectively power-coupled; when the input part of the conversion device and the output part of the conversion device are connected by power coupling, the rotational speed of the input part of the conversion device is higher than or equal to the rotational speed of the output part of the conversion device . In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions, which can improve the driving experience of the driver.

The invention discloses a hybrid power drive system. The hybrid power drive system comprises a first planetary gear train, a second planetary gear train, an engine, a first electric motor generator, a second electric motor generator, a first brake, a second brake, a third brake, a front axle, and a rear axle. The first planetary gear train comprises a first sun gear, a first planet gear, a first planet carrier, and a first gear ring. The second planetary gear train comprises a second sun gear, a second planet gear, a second planet carrier, and a second gear ring. The first gear ring and the second sun gear are connected and rotate synchronously. A clutch is arranged between the engine and the first sun gear. The first electric motor generator and the first planet carrier are connected. The second electric motor generator and the second gear ring are connected. The first brake is used to brake the first planet carrier. The second brake is used to brake the first gear ring. The third brake is used to brake the second gear ring. A power transmission shaft with the clutch is arranged between the front axle and the rear axle. The hybrid power drive system is simple in structure and reliable in transmission.

The invention discloses a power transmission system and a vehicle. The power transmission system includes a system power output part, an engine, a second motor generator, a first motor generator unitand a mode conversion device; an input end of the system power output part is selectively in dynamic coupled connection with the engine; the second motor generator is directly or selectively in dynamic coupled connection with the engine; the first motor generator unit comprises a first motor generator and a unit coupling part, the unit coupling part is in dynamic coupled connection with the systempower output part, and the first motor generator is selectively in dynamic coupled connection with the unit coupling part; the engine can be in dynamic coupled connection or disconnection with the unit coupling part through the mode conversion device, the engine can be in dynamic coupled connection with the unit coupling part through the mode conversion device, and therefore power output of the engine is subjected to speed reduction through the mode conversion device in sequence and then output to the unit coupling part. In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions.

Disclosed are a power train and a vehicle having same. The power train comprises: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), the mode switching device (402) comprising: an input portion (4020), a first switching portion, a second switching portion and an output portion (4022). The output portion (4022) is connected to an input end of the system power output portion (401). The input portion (4020) is adapted to output the power from at least one of the power source (100) and the first motor-generator unit (300). The input portion (4020) is fixedly connected to the first switching portion. The output portion (4022) selectively engages with the first switching portion (4021a) or the second switching portion (4021b). The output portion (4022) engages with the second switching portion, such that after the rotation speed output by the input portion (4020) is reduced by successively passing through the first switching portion and the second switching portion before being output to the input end of the system power output portion (401). In this way, driving modes of a vehicle can be enriched, and the vehicle can be adapted to different road conditions.

A power transmission system, comprising: a power source (100); a first motor generator unit (300); a system power output portion (401); at least one input shaft (I, II); at least one output shaft (III, IV); a transfer intermediate shaft (V), the transfer intermediate shaft (V) being adapted to transmit power from one of the input shafts (I, II) to a corresponding output shaft (III, IV), the transfer intermediate shaft (V) being selectively connected to a second mode conversion device (403); a first mode conversion device (402), at least one of an output shaft and the first motor generator unit (300) being connected to or disconnected from the system power output portion (401) via the first mode conversion device (402); the second mode conversion device (403), an input shaft (I, II) being connected to or disconnected from the transfer intermediate shaft (V) via the second mode conversion device (403), an input shaft (I, II) being connected to the transfer intermediate shaft (V) via the second mode conversion device (403). Also disclosed is a vehicle comprising the power transmission system. The power transmission system enriches the driving modes of the vehicle, the vehicle can adapt to different road conditions, and the driving experience of the driver is improved.

Provided is a power transmission system, comprising: a power source (100); a first motor generator unit (300), a system power output unit (401); at least one input shaft; at least one output shaft; a transmission intermediate shaft adapted to transmit power from one input shaft to the corresponding output shaft, and the transmission intermediate shaft is selectively connected to a second mode switching device (403); a first mode switching device (402), which connects or disconnects the output shaft and the first motor generator unit (300) with the system power output unit (401); and a second mode switching device (403), which connects or disconnects the transmission intermediate shaft with the first mode switching device (402). Also related to is a vehicle. The power transmission system can enrich a driving mode of the vehicle, and the vehicle can adapt to different road conditions, which can improve the driver's driving experience.

Disclosed is a power train, comprising: a power source (100); a first motor-generator unit (300); a system power output portion (401); and a mode switching device (402), comprising a switching device input portion (4020), a first switching portion (4021a), a second switching portion (4021b) and a switching device output portion (4022). The switch device is connected to an input end of the system power output portion. An input portion of the switch device is adapted to output the power from at least one of the power source and the first motor generator unit. The switching device input portion is fixedly connected to a first switching portion. The switching device output portion selectively engages with the first switching portion or the second switching portion. The switching device output portion engages with the second switching portion, so as to be adapted to reduce the rotary speed output from the switching device input portion before outputting same to the input end of the system power output portion. In this way, driving modes of a vehicle can be enriched, and the vehicle can be adapted to different road conditions. Further disclosed is a vehicle having the power train.

The invention discloses a power transmission system and a vehicle thereof. The power transmission system includes: a power source; a transmission unit; a first motor generator unit including a first motor generator and a unit coupling; a switching module, a first motor The generator is connected to the speed change unit or the unit coupling part through selective power coupling through the switching module; the system power output part; the mode conversion device, the mode conversion device includes an input part and an output part, and the input part of the conversion device is respectively power-coupled with the speed change unit and the unit coupling part Connection, the output part is connected to the power output part of the system, and the input part and the output part are selectively connected by power coupling; when the input part of the conversion device and the output part of the conversion device are connected by power coupling, the speed of the input part of the conversion device is higher than or equal to that of the output part of the conversion device speed. In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions, which can improve the driving experience of the driver.