A hybrid hydraulic shovel (1) is provided with: an engine (4); a generator motor (5); a capacitor (12); a cooling device (80) for cooling the capacitor (12); and a controller (41). The cooling device (80) is provided with: a circulation mechanism (81) for causing a coolant to circulate; and a cooler (85) which uses output of the engine (4) to cool the coolant. In cases when it is determined that the capacitor (12) is in an overheated state, the controller (41) prohibits an auto-stop operation of the engine (4).

When a locking member is switched from a locked position to a released position, a lock valve switching unit switches a lock valve from a locked state to a released state. A misoperation monitoring unit keeps the lock valve in the released state if the pilot pressure is greater than or equal to a prescribed pressure when the elapsed time from when the locking member switches from the locked position to the released position is greater than or equal to a first prescribed time. The misoperation monitoring unit switches the lock valve to a locked state if, when the elapsed time is less than the first prescribed time, the pilot pressure is greater than or equal to the prescribed pressure and the time duration thereof is greater than a second prescribed time. The misoperation monitoring unit allows the lock valve to be switched by the lock valve switching unit if, when the elapsed time is less than the first prescribed time, the pilot pressure is greater than or equal to the prescribed pressure and the time duration thereof is less than or equal to the second prescribed time.

Provided is a method for cleaning a glass substrate (40). The method comprises: step 1, providing a conveyance platform (20) and a glass substrate (40) to be cleaned; step 2, placing the glass substrate (40) to be cleaned on the conveyance platform (20); step 3, providing two air blowing devices (60); step 4, the two air blowing devices (60) blowing air to the glass substrate (40) to be cleaned, so as to separate impurities (42) adhering to the glass substrate (40) to be cleaned from the glass substrate (40); step 5, providing a suction device (80), the suction device (80) comprising an air drawing device (82) and a magnetic attraction device (84); and step 6, the air drawing device (82) drawing air from the glass substrate (40) to be cleaned, and the magnetic attraction device (84) generating a magnetic attraction force for the magnetic impurities on the glass substrate (40) to be cleaned, so as to further suction the impurities (42) on the glass substrate (40) to be cleaned into the suction device (80). Also provided is apparatus for cleaning a glass substrate (40).

An LED backlight driving circuit and a liquid crystal display having the LED backlight driving circuit. The LED backlight driving circuit comprises: a voltage booster circuit (110) used for converting an input voltage into a desired output voltage and offering the output voltage to an LED string (120); a follower circuit (140) connected to the negative terminal of the LED string (120), used for monitoring the voltage of the negative terminal of the LED string (120), generating a following voltage according to the negative terminal voltage and coupling the following voltage to a reference voltage module (130); and the reference voltage module (130) connected with a reference voltage (Vfb), also connected with the follower circuit (140), and regulating the output voltage according to the following voltage generated by the follower circuit (140). The LED backlight driving circuit can regulate the output voltage according to the negative terminal voltage of the LED string (120), namely the voltage drop on the LED string (120), so that the output voltage can be regulated as the voltage drop on the LED string changes.

Disclosed are a liquid crystal display and driving method thereof, the liquid crystal display comprising: a display panel comprising a plurality of data lines, a plurality of scanning lines crossing the plurality of data lines, and a plurality of pixels arranged in a matrix form at the crossing points of the plurality of data lines and the plurality of scanning lines; a data drive circuit configured to provide data voltage for the plurality of data lines; a power consumption reducing module configured to store the data of a most overloaded image and compare the most overloaded image with the data contained in an input image, determine whether the input image is an overloaded image increasing the power consumption of the data drive circuit based on the comparison result, and deciding whether to change the polarity inversion mode of a timing controller based on the determination result. The present invention selectively changes the polarity inversion mode of a timing controller based on an input image, thus reducing the power consumption of a data drive circuit while ensuring the quality of a display image.

An LED lamp with downward light and a manufacturing method therefor. The LED lamp sequentially comprises a screw head (1), a base (2), a lamp body (3), and a lamp cover (5) that are integrated together in sequence. The lamp cover (5) is hooked to the lamp body (3), and the lamp body (3) is sleeved to the base (2). A PCB board (61) disposed longitudinally inside the base (2) is fixedly connected to a PCB board (62) disposed horizontally at the top of the lamp body. The PCB board (62) disposed at the top of the lamp body is fixed, through a base fastener (7), to the bottom of an LED aluminum substrate component (4) surrounding the lamp body and disposed longitudinally. The base fastener (7) is fastened into a fastening hole (21) of the base (2) by means of a hook (71) protruding from the bottom of the base fastener, so as to fix the LED aluminum substrate component (4) to the lamp body (3). The top of the LED aluminum substrate component (4) is fixedly connected to the PCB board (62) disposed at the top of the lamp body, and the PCB board (62) disposed at the top of the lamp body is connected to the lamp body (3) by means of a fixing element. By erecting the LED aluminum substrate originally disposed horizontally into an enclosed ring and inserting into the lamp, the LED lamp with downward light has uniformly distributed emergent light, is easy to dissipate heat, has a reduced size, and can be assembled conveniently.

Embodiments of apparatus and methods for adaptively controlling air quality in a vehicle compartment are described. In embodiments, an apparatus may include a sensor interface configured to interface with one or more sensors, disposed at one or more locations at one or more sides or in an interior space of a vehicle compartment, and configured to measure one or more indicators of air quality at the one or more locations. The apparatus may further include one or more airflow controllers configured to adaptively control a plurality of ventilation components of the vehicle compartment to regulate airflow in the interior space, based at least in part on the measured indicators of air quality. Other embodiments may be described and/or claimed.

This work vehicle comprises an engine, an idle-stop execution unit, a determination unit, a count unit, and an idling time adjustment unit. The engine can run in a first idling state in which the engine runs at a prescribed engine speed and a second idling state in which the engine runs at a speed higher than the prescribed engine speed. The idle-stop execution unit executes idle-stop operations to stop the engine when the first idling state or the second idling state continues for a prescribed time. The determination unit determines, on the basis of rotation information pertaining to the engine speed, whether stopping by the idle-stop operations was from the second idling state. The count unit counts the number of engine stops from the second idling state on the basis of the determination results of the determination unit. An idle-stop time adjustment unit increases, from the current time, the prescribed time for the second idling state, which is the execution condition for idle-stop operations, when the number of engine stops that are counted by the count unit is greater than or equal to the prescribed count.

Apparatus, computer-readable storage medium, and method associated with content transmission are described. In embodiments, a computing device may include one or more content encoders, configured to encode content, a communication module, and a content distribution and coordination engine (CDCE). The communication module may be coupled with the one or more content encoders and may be configured to support a wireless networking protocol to wirelessly transmit encoded content to a plurality of display receivers. Each display receiver may be configured to support a display protocol. The CDCE may be coupled with the communication module and the one or more content encoders and may be configured to coordinate the one or more content encoders and the communication module to encode and respectively distribute a plurality of contents to the plurality of display receivers in accordance with the display protocol and the wireless networking protocol.

The present invention provides a transparent conductive layer, a CF substrate having the transparent conductive layer, and a preparation method thereof. The transparent conductive layer is made of a grapheme transparent conductive layer, and is film shaped. The transparent conductive layer has the thickness being 0.36 nm-10 nm, the transmittance of a visible region being 80-97%, and the sheet resistance being 30-500Ω/square. The transparent conductive layer can replace the existing ITO transparent conductive layer, and has better chemical strength and flexibility. For the CF substrate having a grapheme transparent conductive layer, the grapheme transparent conductive layer, in substitution of an ITO transparent conductive layer, is applied to the CF substrate, so as to obtain an electrode or a static discharge layer having high transmittance and good flexibility, which is applied to a liquid crystal display panel, can improve the transmittance of the liquid crystal panel, and can reduce the use of backlight. The preparation method of the CF substrate having a grapheme transparent conductive layer comprises forming grapheme on a growth substrate by using a CVD method, and transferring the grapheme to a CF substrate body. The method has a simple process and low cost.