Abstract: Provided is a control method on electronic expansion valve in air conditioner, which comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; if the air conditioner working in cooling mode, using a first set rule or a second set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a first set outdoor environment temperature; if the air conditioner working in heating mode, using a first set rule or a third set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a second set outdoor environment temperature; performing a PID control on the electronic expansion valve by using an error of the difference between real-time exhaust temperature and a set target exhaust temperature.

Abstract: Provided is a control method for an electronic expansion valve in air conditioner comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; retrieving a target exhaust temperature according to the real-time running frequency in a preset relation in which each available target exhaust temperature is paired with a single real-time running frequency, wherein the target exhaust temperature retrieved being defined as a first target exhaust temperature; defining a sum of the first target exhaust temperature and a set compensation temperature as a second target exhaust temperature, wherein the set compensation temperature is determined by the real-time outdoor environment temperature ; and performing a PID control on opening amount of the electronic expansion valve based on a deviation that is a difference between the real-time exhaust temperature and the second target exhaust temperature .

Abstract: Disclosed is a photo-curing 3D printer comprising a storage unit for accommodating liquid photosensitive resin and a light source disposed underneath the storage unit. Wavelength of light rays emitted by the light source is 420˜460 nm. A bottom of the storage unit is configured to display a pattern composed of a shielding area for shielding the light rays and a transmissive area for passing-through of the light rays. In addition, the disclosure provides a 3D printing method. Due to the limitations of photopolymerization initiators and the LCD display unit currently available, it was unexpected to complete photo-curing 3D printing with a light source with 420˜460 nm wavelength. It is unexpected that a photo-curing 3D printer as provided in the present application not only can ensure the service life of the LCD display unit but also that the curing efficiency is significantly higher than existing devices.

Abstract: A vehicle occupant restraint system provides protection during a collision and subsequent rollover. Left and right shoulder belt retractors are actuated differentially in reaction to a lateral component of the crash force to lock one of the shoulder belts while allowing the other shoulder belt to extend under loading applied by a seat occupant. If a subsequent rollover is detected, the second shoulder belt retractor is actuated to lock or retract the second shoulder belt. The second shoulder belt may be retracted to achieve a specified level of tension and/or to achieve an extended length approximately equal to the extended length of the first shoulder belt.

Abstract: A vehicle occupant restraint system provides protection during a collision and subsequent rollover. Left and right shoulder belt retractors are actuated differentially in reaction to a lateral component of the crash force to lock one of the shoulder belts while allowing the other shoulder belt to extend under loading applied by a seat occupant. If a subsequent rollover is detected, the second shoulder belt retractor is actuated to lock or retract the second shoulder belt. The second shoulder belt may be retracted to achieve a specified level of tension and/or to achieve an extended length approximately equal to the extended length of the first shoulder belt.

Abstract: An automotive overhead airbag assembly is provided including an airbag mounted on an inside surface of a vehicle roof at an airbag mount position. The airbag has an airbag stored condition and an airbag deployed position and expands downwards from said vehicle roof when in the airbag deployed position. The assembly includes at least one wing element having a first wing mounting edge mounted to the vehicle roof and a second wing mounting edge mounted to a lower deployed portion of said airbag. The first wing mounting edge extends in a transverse direction from the airbag mount position. The at least one wing element includes a wing stored condition and a wing deployed position. The at least one wing element restricts forward motion of the airbag when the airbag is in the deployed position. The assembly includes a trampoline surface formed by the at least one wing element when the at least one wing element is in said wing deployed position.

Abstract: An automotive overhead airbag assembly is provided including an airbag mounted on an inside surface of a vehicle roof at an airbag mount position. The airbag has an airbag stored condition and an airbag deployed position and expands downwards from said vehicle roof when in the airbag deployed position. The assembly includes at least one wing element having a first wing mounting edge mounted to the vehicle roof and a second wing mounting edge mounted to a lower deployed portion of said airbag. The first wing mounting edge extends in a transverse direction from the airbag mount position. The at least one wing element includes a wing stored condition and a wing deployed position. The at least one wing element restricts forward motion of the airbag when the airbag is in the deployed position. The assembly includes a trampoline surface formed by the at least one wing element when the at least one wing element is in said wing deployed position.