34results about How to "Avoid highs and lows" patented technology

The invention discloses a method for controlling an air conditioner. The method comprises the steps that when the air conditioner is started to operate, the current domestic electricity consumption total current is acquired; an electricity consumption function control area where current domestic electric consumption is located is judged; and when the electricity consumption function control area where current domestic electricity consumption is located is a frequency control area, a frequency control parameter based on the function control area is acquired, and the air conditioner is controlled to operate according to the frequency control parameter. The invention further discloses a device for controlling the air conditioner, the air conditioner and the computer readable storage medium. The air conditioner is controlled to operate according to the corresponding frequency control parameter acquired through the electricity consumption function control area determined by the domestic electricity consumption total current, the frequency of the air conditioner is adjusted progressively, frequency extremes are avoided, and then the beneficial effect of preventing indoor temperature changes from being too large is achieved.

The invention discloses a reaction device and method involving methane water-vapor exchange. The device comprises a constant temperature device, a bubbling device, a reactor and a measuring device, wherein the constant temperature device comprises a thermostat, a water inlet device and a water outlet device; the bubbling device consists of an air blower, an exhaust plate and a fan; air holes are uniformly formed in the exhaust plate, so that a water sample in the reaction container is fully exchanged with air; the reactor refers to a hollow cylinder with a cover; small holes are formed in the rubber cover and the side walls; the whole reactor is arranged in the constant temperature device in a sleeving manner; the water sample enters the reactor from a water inlet pipe; the measuring device consists of a greenhouse gas analyzer, an air inlet pipe and an air outlet pipe; gas in the reaction container is delivered to the greenhouse gas analyzer to be analyzed by virtue of the air inlet pipe and enters the reactor by virtue of the air outlet pipe after the analysis is finished, so that the environment conditions in the reactor are constant. The device disclosed by the invention is reliable in performance, simple in structure, convenient to manufacture, difficult to damage, low in cost and simple and convenient to operate in field.

The present application relates to the technical field of air conditioning, and in particular to a wind speed control method, device and electronic equipment for an air conditioning system. The wind speed control method of the air conditioning system includes: acquiring the current return air temperature difference of the air conditioning system; if the current return air temperature difference is less than the first difference threshold, issuing an instruction to adjust the opening of the cooling water control valve for Control the current return air temperature difference to reach the target return air temperature difference; if the current return air temperature difference is greater than or equal to the first difference threshold, issue an instruction to adjust the opening of the cooling water control valve to the maximum, and issue an instruction to adjust the fan speed, It is used to control the current return air temperature difference to reach the target return air temperature difference. The solution provided by this application is beneficial to reduce energy consumption in the process of adjusting the return air temperature difference and prolong the service life of the air conditioning system. This solution can be used for environmental management in spaces such as computer rooms.

An automobile fuel gauge display strategy compatible with various road conditions comprises the steps that firstly, a vehicle is self-detected, the indication of a fuel gauge is detected to be correct, and meanwhile signals of a fuel level sensor can be received, secondly, the mode of the fuel gauge is judged according to the rotating speed of an engine and the running speed of the vehicle, and thirdly, the mode of an idle speed is judged. In the first step, in the driving mode, signals of the oil level sensor are collected with 15 s as a period, and an indicated value of the oil gauge is obtained through calculation; in the driving mode, signals of the oil level sensor are collected with 10 s as a period, and the indicated value of the oil gauge is obtained through calculation. According to the design, computer-aided calculation can be carried out through the combination instrument, the display stability and accuracy of the fuel gauge are effectively improved, the situation that the fuel gauge displays incorrectly due to the fact that the fuel tank is not located at the horizontal position under various road conditions such as the uphill road section and the downhill road section can be avoided, and the display accuracy of the fuel gauge is effectively improved.

The invention discloses a radio search processing method, device, storage medium and terminal, which first acquires the channel search configuration under the current standard and the standard search noise emitted during the search, and then obtains the corresponding standard search noise in the channel search configuration Standard actual noise configuration, and set the standard actual noise configuration as the search noise of the radio, so as to avoid sudden changes in noise when the terminal uses the radio to search for channels, improve user experience, and bring convenience to users.

The invention belongs to the field of metallurgy, and relates to an intermediate alloy and a preparation method and application thereof. The alloy comprises Fe, Al, Mo, Nb, Cr and Ti. By reasonably designing the alloy components and contents, the proportions of the alloy elements in the final product can be better controlled, and alloying is improved. Smelting is carried out with a two-step method, and an alloy ingot with more accurate chemical components and high purity can be obtained. By the adoption of the method, the intermediate alloy which is low in cost, low in density and low in melting point, and has uniform components and low impurity element contents can be obtained, the material performance of prepared high-temperature alloy can be effectively improved, and the problems such as segregation and inclusion, generated during smelting, of the high-temperature alloy IN718 are solved.

The invention provides a refrigerating system for a CCD (Charge Coupled Device) detector, which comprises a cold plate, a semiconductor refrigerating sheet, a temperature sensor, a temperature controller and a conversion unit, wherein the cold plate is provided with a first face, a second face and a side wall; the cold face of the semiconductor refrigerating sheet is contacted with the first face of the cold plate, and the cold face cools the CCD detector through the second face of the cold plate; the temperature sensor is used for detecting the current temperature of the cold plate and outputting a temperature indicating signal; the temperature controller reads the current temperature of the cold plate according to the temperature indicating signal and compares the current temperature with the first predetermined temperature to obtain a control signal; and the conversion unit is used for adjusting the current temperature of the cold face to the first predetermined temperature selectively by supplying power to the semiconductor refrigerating sheet through a power supply according to the control signal. According to the refrigerating system, the temperature of the CCD detector can be freely controlled, so that influence of high temperature on the CCD detector is reduced. In addition, the temperature of the CCD detector is ensured to change stably through the cold plate, so that the service life of the CCD detector is prolonged.

The invention relates to a camera module, comprising a circuit board body, components, a main body and a chip, the main body and the chip are supported on the upper surface of the circuit board body, and the upper surface of the circuit board body is partially Shen forms an accommodating cavity, and the components are vertically implanted into the accommodating cavity; the inner surface of the accommodating cavity, and the upper surface of the circuit board body are provided with soldering pads near the accommodating cavity; The accommodating cavities are arranged in a linear arrangement, and the wall thickness between adjacent accommodating cavities is 0.1mm-1.0mm. According to the present invention, the internal space of the circuit board body is fully utilized and the total height of the components and the circuit board body is effectively reduced, thereby further reducing the overall height of the camera module.

The invention discloses a method for controlling the smoke exhaust fan of a continuous annealing furnace. SV is compared with the actual pressure value X of the gas collection chamber to form a deviation YEn; the deviation YEn is input to the PI controller to obtain a speed control value Yn; the speed of the exhaust fan is controlled by the speed control value Yn . The invention solves the technical problems in the prior art that the pressure of the gas collection chamber fluctuates greatly in a short period of time, resulting in extremely unstable operation of the smoke exhaust fan, and damage to the motor due to long-term operation.

The invention discloses an environment-friendly domestic garbage briquetting machine, which comprises a mounting frame, a hopper, a first buffer hopper, a second buffer hopper and a collecting hopper. A hopper is installed on the top of the mounting frame, and two For the discharge port, two first buffer buckets are installed inside the installation frame and below the discharge port, and second buffer buckets are respectively installed inside the installation frame and below the first buffer bucket, and the inside of the installation frame and A collection bucket is installed below the second buffer bucket; the invention controls the volume of garbage added into the inner box while ensuring that the volume of the inner box remains unchanged, so as to facilitate the briquetting of garbage with the lowest energy consumption and reduce the operating cost of the device. For energy loss, the pick picks with the rotation of the swivel seat to fiddle with the garbage on the top side of the inner box, level the garbage at the bottom, avoid the ups and downs of the pile in the inner box, and ensure that the garbage is compacted after the subsequent briquetting Tight to avoid loose conditions.

The invention discloses a determination method for the content of ferulic acid in Chinese angelica decoction pieces, belonging to the technical field of detection of the quality of traditional Chinese medicinal materials. The method comprises the following steps: 1) drying of a sample; 2) preparation of the Chinese angelica decoction pieces; 3) preparation of sample powder; 4) preparation of a solution of a to-be-tested sample; 5) preparation of a solution of a control sample; and 6) determination. According to the invention, fresh Chinese angelica is dried at low temperature and the decoction pieces are prepared from the dried fresh Chinese angelica, so components in the Chinese angelica are maximally retained, and the quality of the Chinese angelica decoction pieces is improved; and since white gauze is used to cover the Chinese angelica, the dehydration speed of the epidermis of the Chinese angelica is lowered and components in the Chinese angelica flow along with moisture, so relative equalization of components at each part of the Chinese angelica is maintained and detection results of the prepared sample powder are relatively stable.

The invention relates to a dynamic corrosion simulation device for sand control screens in gas reservoirs, a simulation method and a method for evaluating the dynamic corrosion performance of sand control screens. The simulation device includes a screen corrosion simulation module, a high-pressure gas pumping module, and an exhaust module; the high-pressure gas The outlet of the pumping module is connected to the gas inlet of the screen corrosion simulation module, and the exhaust module is connected to the gas outlet of the screen corrosion simulation module; the screen corrosion simulation module includes a simulated wellbore provided with a manhole cover , sand control screen, electric heating jacket and temperature controller, and the sand control screen is located in the simulated wellbore. The device of the present invention comprehensively and systematically simulates the dynamic corrosion of sand control screens under dynamic flow conditions, and simulates the elements of high pressure, high temperature, partial pressure of corrosive gas, flow rate of corrosive gas, flow rate of liquid and impact of sand grains, and can better simulate Actual dynamic flow in oil and gas unconsolidated sandstone reservoirs and gas hydrate reservoirs.