47results about How to "Lower temperature value" patented technology

The embodiment of the invention discloses a method for adjusting the terminal temperature, wherein the method comprises the following steps that a difference value between the preset temperature value and the temperature value of a terminal is determined; if the difference value is not in a preset threshold range, and the temperature value is grater than the preset temperature value, the work load of the terminal is reduced; if the temperature value is not in the preset threshold range, and the temperature value is smaller than the preset temperature value, the work load of the terminal is increased. When the embodiment of the invention is implemented, the work load of the terminal can be adjusted according to the preset temperature value and the preset threshold range, so that the temperature of the terminal is maintained in a certain temperature range, and the use experience of users is improved.

A vibrating device that is in the form of a rectangular plate having opposed long sides and opposed short sides, and that utilizes an expanding and contracting vibration mode in a direction of the short sides. The vibrating device includes a Si layer made of a degenerate semiconductor, a silicon oxide layer, a piezoelectric layer, and first and second electrodes through which a voltage is applied to the piezoelectric layer. When a total thickness of the Si layer is denoted by T1, a total thickness of the silicon oxide layer is denoted by T2, and the TCF in the vibrating device when the silicon oxide layer 3 is not provided is denoted by x(ppm / K), T2 / (T1+T2) is within a range of (−0.0003x2−0.0256x+0.0008)±0.05.

The invention relates to a vanadium extraction coolant and a preparation method and a use method thereof which belong to the field of metallurgy. The invention provides a novel vanadium extraction coolant and overcomes the defects of complex use of the existing coolant and the large operation difficulty of the existing vanadium extraction technique. The vanadium extraction coolant comprises 80 to 95 percent of the oxides of iron, 3 to 6 percent of SiO2, 0.1 to 0.6 percent of V2O5, 1 to 3 percent of MgCl2 and the rest is less inevitable unpurified elements; the total amount is 100 percent. The vanadium extraction coolant of the invention is collocated and pressed by adopting iron concentrate powder containing vanadium and ferric oxide (or vanadium extraction mud) with a bonding agent which not only has a simple preparation method, but also has high cooling intensity; besides, the using method is simple during the process of using the vanadium extraction; the vanadium extraction technique is more smooth; the quality of the vanadium slag and the quality of gun iron are more stable; the invention fully recycles the most resources of iron and vanadium in the coolant simultaneously when achieving the goals of ''removing vanadium and preserving carbon''.

Disclosed is a method for controlling a charging process in a system containing a storage battery and a charging device, said method comprising the step of transmitting a control signal from the storage battery to the charging device, which can be connected to the storage battery, in order to adjust at least one charging parameter of the charging device.

The invention relates to a drilling system and method based on subsea pump pressure control. The system is characterized by comprising a drilling ship; a drilling liquid supplying device and a control device are arranged on the drilling ship; the drilling liquid supplying device is connected with the liquid feeding end of a water faucet through a liquid manifold; the water faucet is fixedly connected to a derrick arranged in the middle part of the drilling ship; the liquid discharging end of the water faucet is in rotating connection with the top end of a drilling rod; a drill bit is fixedly connected to the bottom end of the drilling rod; an absorbing module sleeves the lower part of the drilling rod; two pipelines are symmetrically arranged on the outer pipe wall of the absorbing module; a throttle valve is arranged on the pipeline at one side; the control device is electrically connected to an electrical device positioned on the drilling ship; the electrical device is electrically connected with a motor through a control and power pipeline; the output end of the motor is connected with a subsea pump; an inlet of the subsea pump is connected with a hose and provided with a pressure flow sensor. According to the system, the opening degree of the throttle valve and the rotating speed of the subsea pump can be adjusted by a control panel device through the control and power pipeline, so that the pressure of a wellhead of a subsea drilling well is stable, and as a result, the well control risk caused by natural gas-water composition can be controlled.

The invention provides a water ring device of a down-blowing water-cooling extruder. The water ring device comprises a water ring, a purified water inlet and a purified water outlet, wherein the water ring comprises an annular outer wall, an annular inner wall and a bottom surface, the purified water inlet and the purified water outlet are formed in the annular outer wall of the water ring. The water ring device is characterized in that an air conditioner coiler is arranged in the water ring, the air conditioner coiler is provided with two ports, namely an outlet end and an inlet end, the air conditioner coiler is provided with an air conditioner, the outlet end of the air conditioner coiler is connected with a compressor of the air conditioner, the inlet end of the air conditioner coiler is connected with a throttling valve of the air conditioner, and a refrigerant is filled in the air conditioner coiler. The cooling effect of the upper part of the water ring is enhanced to ensure that the temperature of purified water in the water ring is uniform, the lower temperature value is kept, the transparency of a membrane is enhanced, the qualified rate of a produced membrane is increased, the manufacturing cost and the running cost are low, and the convenience is facilitated.

The invention provides a leakage prevention method. The anti-leakage method is applicable to a heat exchange system including a plate heat exchanger, and the heat exchange system also includes an expansion valve located upstream of the plate heat exchanger; the plate heat exchanger includes a plurality of heat exchange fins and a plurality of sealing gaskets, adjacent The two heat exchange fins are sealed and connected through at least one sealing gasket, and the leakage prevention method includes: obtaining the temperature value K of the sealing gasket; according to the difference between the temperature value K and the first preset temperature value a, and / or the difference between the temperature value K and the second preset temperature value b to control the operation mode of the heat exchange system; where the first preset temperature value a is greater than the second preset temperature value b, the operation of the heat exchange system Modes include reducing the operating frequency of the compressor, increasing the opening of the expansion valve, and maintaining the current operating state. The invention effectively solves the problem of easy leakage at the sealing gasket of the plate heat exchanger in the prior art.

The present invention relates to the technical field of temperature control, in particular to an indoor temperature control method and system thereof. S10: Obtain the temperature value collected by the temperature control equipment at the current moment and the outdoor temperature value to generate a temperature difference value; S20: Acquire the current moment The current time and the preset time to go out, generate a time difference; S30: judge whether the temperature difference is greater than zero, if so, generate a temperature rise signal; if not, generate a temperature drop signal; S40: generate temperature adjustment according to the time difference and temperature difference Interval value; S50: pack the temperature rising temperature signal or cooling temperature signal and the temperature adjustment interval value into control information to control the temperature control device to adjust the indoor temperature. The invention has the function of keeping the indoor temperature within the comfortable temperature range of the human body and at the same time adjusting the indoor temperature according to the user's going out time, thereby reducing the indoor and outdoor temperature difference and reducing the discomfort of the human body caused by the large indoor and outdoor temperature difference The effect that occurs.