44results about How to "No need to increase power consumption" patented technology

The invention relates to a laser radar echo wave processing system and method. The laser radar echo wave signal processing system comprises: a transmitting module for transmitting pulse laser, a receiving module used for receiving reflected light, a sampling module used for sampling analysis and a main control and signal processing module, wherein the transmitting module comprises a laser drivingcircuit, a laser device and a light beam shaping module; the receiving module comprises a receiving optical lens and a photodetector; the sampling module comprises a voltage threshold setting circuitand a voltage comparison circuit; the main control and signal processing module is used for providing trigger signals for the laser transmitting module, collecting echo time width signals, discriminating dark counting noise and real echo signals, and performing flight time measuring operation. Thus, according to the laser radar echo wave processing system and method disclosed in the present invention, noise can be filtered by adding a screening mechanism during echo signal processing operation, and false alarm rates can be lowered without increasing system power consumption and lens apertures.

The invention discloses a GPS track optimizing method which comprises the steps of acquiring coordinate data of GPS positioning points in motion of a user; performing analysis processing on the coordinate data of the GPS positioning points, eliminating interference coordinate data in the coordinate data; performing interpolation processing on the residual coordinate data of the GPS positioning points, and obtaining a GPS track curve. Furthermore the invention discloses a GPS track optimizing device which comprises the components of an acquiring module which is used for acquiring the coordinatedata of the GPS positioning points in motion of the user; a data processing module which is connected with the acquiring module and is used for performing analysis processing on the acquired coordinate data of the GPS positioning points and eliminating the interference coordinate data in the coordinate data; and a track acquiring module which is connected with the data processing module and is used for performing interpolation processing on the residual coordinate data of the GPS positioning points and acquiring the GPS track curve. Through performing optimizing processing on the GPS originaldata through the method or the device according to the invention, an accurate and smooth GPS track curve can be obtained.

The invention discloses a phase-change energy-storage heat exchanger. The phase-change energy-storage heat exchanger comprises a housing, a heat exchange tube and a phase-change energy-storage material filled between the heat exchange tube and the housing, wherein meshy heat transfer units are arranged on the heat exchange tube; the meshy heat transfer units stretch out of the outer surface of the heat exchange tube and located in a space between the housing and the heat exchange tube; the meshy heat transfer unit are N groups of forked fin structures distributed along the peripheral surface of the heat exchange tube; a chaotic flow channel is formed in the heat exchange tube; the chaotic flow channel comprises a first position flow channel, a second position flow channel and a coupling flow channel; the first position flow channel is composed of first flow channels arranged along the axial direction of the heat exchange tube at intervals; the second position flow channel is composed of second flow channels arranged along the axial direction of the heat exchange tube at intervals; the first flow channels are located at the interval positions of the second flow channels; and the coupling flow channel is connected with the first flow channel and the second flow channel. The phase-change energy-storage heat exchanger disclosed by the invention is capable of realizing efficient storage and utilization for energy, alleviating mismatching of energy supply and demand, and realizing optimized operation of a heat energy system.

The invention discloses a device for adjusting an indicated sound according to environments and a method. The device for adjusting the indicated sound according to environments comprises a receiving module, an analyzing module and an output module, wherein, the receiving module is used for receiving a background sound; the analyzing module generates a control signal according to the background sound; the output module adjusts the output frequency of the indicated sound through the control signal and outputs the indicated sound which is adjusted. By adopting the device and the method, the vibration amplitude of the indicated sound can be kept to be unchangeable, so the consumed power of a portable electronic device does not need to be added; in this way, a loudspeaker which outputs the indicated sound can keep the same power, and the damage of the loudspeaker caused by the high power is avoided, thereby prolonging the service life of the loudspeaker.

The invention provides a control logical circuit placed in a successive approximation analog-to-digital converter and comprising a starting circuit and N basic cell circuits which are connected sequentially. The starting circuit is used for starting analog-to-digital conversion according to a conversion request signal and a clock signal, and the basic cell circuits are used for completing the binary numeric conversion of corresponding digit bits in a corresponding clock cycle, receiving the feedback signal of a comparator, and adjusting the values of the corresponding digit bits; wherein each basic cell circuit also comprises a trigger Q8 used for storing and outputting corresponding bit values of corresponding successive approximation codes in different clock cycles. The N basic cell circuits comprise N circuits which are connected sequentially from a cell (N-1) circuit to a cell (0) circuit, wherein the cell (0) also comprises an ACK output port, and an initial assignment circuit is connected with a cell (N-2) circuit, etc., a cell (1) circuit and the cell (0) circuit and is used for generating initial assignment signals aiming at each basic cell circuit.

The invention provides an OLED display substrate and a manufacturing method thereof as well as a display device, and belongs to the technical field of display. The OLED display substrate comprises a plurality of sub-pixels, wherein the sub-pixels comprise first sub-pixels located in an effective display area of the OLED display substrate and second sub-pixels located at the boundary of the effective display area of the OLED display substrate; the second sub-pixels comprise first parts located in the effective display area and second parts located outside the effective display area; and when the OLED display substrate is used for displaying, the second parts do not emit light. According to the technical scheme, a special-shaped display can be realized at a low cost.

A secondary water supply method and system for high-level water tank is characterized by that a partition is used to divide one water tank into two for different purposes, that is one for living water and another for fire-fighting water. Its advantages are less pollution of living water and low cost.

The invention discloses a display adjustment method and a terminal device. The method comprises the following steps: gray values of occlusion layers corresponding to regions in a target working mode are respectively arranged for a plurality of regions in a display area of a display module. The number of gray values of the occlusion layers corresponding to the plurality of regions is not less thantwo. The display brightness of the plurality of regions is adjusted by rendering the plurality of regions based on the voltage parameters required for the operation mode before the adjustment and thegray value of the occlusion layer corresponding to the plurality of regions in the target operation mode, and the display brightness of the plurality of regions is adjusted by rendering the pluralityof regions. Since the adjustment of the display brightness of a plurality of areas is carried out without changing the voltage parameters required for the normal operation of the display module, the power consumption of the display module is not increased, so that the service life of the display module can be ensured.

The invention discloses a trash holding device, and belongs to the field of circulating water taking and filtering. The trash holding device comprises at least one flow guide wall, at least two trash holding nets and a compressed air releasing system. Trash holding nets are respectively fixedly arranged on two optional adjacent flow guide walls and between the flow guide walls positioned on two sides and a wall of a front pond of a pump room, the compressed air releasing system is arranged at the bottom of the front pond of the pump room, when difference of water levels of two sides of the trash holding nets reaches a first preset numerical value, the compressed air releasing system releases compressed air so that trash attached to the trash holding nets is separated from the trash holding nets and floats on water surfaces of one sides, which are away from the pump room, of the trash holding nets, so that water flow can smoothly pass through the trash holding nets, the circumstances that a connection point between an optional trash holding net and the flow guide walls on two sides of the trash holding net or a connection point between the optional trash holding net and the wall of the front pond of the pump room is broken under the effect of pressure of water, and then trash blocks circulating water filtering equipment such as a grate and a drum net are avoided, and then a unit can run safely and stably.

An ion trap for a mass spectrometer has a conductive central electrode with an aperture extending from a first open end to a second open end. A conductive first electrode end cap is disposed proximate to the first open end thereby forming a first intrinsic capacitance between the first end cap and the central electrode. A conductive second electrode end cap is disposed proximate to the second open end thereby forming a second intrinsic capacitance between the second end cap and the central electrode. A first circuit couples the second end cap to a reference potential. A signal source generating an AC trap signal is coupled to the central electrode. An excitation signal is impressed on the second end cap in response to a voltage division of the trap signal by the first intrinsic capacitance and the first circuit.

A drive circuit of a light source comprises a gray scale recognition unit, a parameter optimization module, a parameter calculation unit, a light-regulation control unit ad a drive unit. The gray scale recognition unit is used for capturing the maximal gray scale values individually corresponding to a plurality of data blocks in image data. The parameter optimization module generates an optimized period value according to the ratio of a standard current value to a specific current value. The parameter calculation unit obtains a specific value according to the optimized period value and the maximal gray scale values of the image and multiplies the maximal gray scale values of the data blocks by the specific value respectively to obtain a plurality of working period values. The light-regulation control unit generates a plurality of light-regulation control signals according to the working period values and the specific current value. Thus, the drive unit generates a plurality of drive pulse waves according to the light-regulation control signals.

The invention relates to a chlorine refining production apparatus. The chlorine refining production apparatus is mainly formed by a chlorine rectifying tower and a tower bottom re-boiler, wherein thechlorine rectifying tower is provided with multiple layers of tower trays, each layer of tower tray is provided with overflow holes, the overflow holes in the adjacent tower trays are alternately arranged, the chlorine rectifying tower is provided with a liquid chlorine inlet, the liquid chlorine inlet is formed in the middle-upper portion of the chlorine rectifying tower, the bottom of the chlorine rectifying tower is provided with a liquid chlorine outlet, the liquid chlorine outlet is connected with the tower bottom re-boiler, an outlet of the tower bottom re-boiler is connected with a vaporized chlorine inlet in the lower portion of the chlorine rectifying tower, and a middle side line of the chlorine rectifying tower is provided with a high-purity chlorine outlet. The calibrated capacity of the apparatus after being put into production is as follows: the material feeding amount reaches 31.2 t / h, the extraction amount of the side line high-purity chlorine reaches 28.1 t / h, and theextraction amount on the tower bottom and the tower top is 3.1 t / h. The high-purity chlorine capable of being obtained by the apparatus has the characteristics that the carbon dioxide content is smaller than 20ppm, the oxygen content is smaller than 20ppm, the nitrogen content is smaller than 50ppm, the water content is smaller than 5ppm, and the purity of the chlorine reaches up to 99.99 percentor higher. The floor occupation area of the chlorine refining production apparatus is small; and compared to an original device, no power consumption is increased.

The invention discloses an external particle heat absorber and a solar power generation system. A particle heat exchanger internally provided with a particle channel and a working medium channel is arranged, meanwhile, a heat absorption pipe group is arranged to be communicated with two ends of the working medium channel to form a circulating pipeline, the working medium channel is in heat transfer contact with the particle channel, and after a phase change working medium in the heat absorption pipe group absorbs heat and is evaporated into a gaseous phase change working medium, the gaseous phase change working medium enters the working medium channel to exchange heat with the cold particles in the particle channel and is condensed into a liquid phase change working medium which flows back to the heat absorption pipe group. The heated hot particles can be output to next external equipment from the output end of the particle channel. The liquid phase change working medium is arranged as the middle heat exchange medium, heat is transmitted to the particles after evaporation, and the particles are heated to the needed temperature, so that high efficiency is achieved, and the problem that an existing particle heat absorber is low in heat absorption efficiency is solved. Meanwhile, the particle technology is low in price and higher in heat absorption temperature, and the kilowatt-hour cost of a photo-thermal power station can be greatly reduced under the condition of the same heat absorption efficiency.

The invention discloses a method for reducing the emission of PM 2.5 and SO2 at an outlet of a wet flue gas desulphurization system. According to the method, an additive solution formed by a wetting agent, organic acid, inorganic salt and a polymeric flocculant is fed into desulfurized slurry, and the wetting agent reduces the surface tension of the desulfurized slurry and enables fine particulate matters in flue gas to be in contact with liquid drops of the desulfurized slurry and then to enter the liquid drops, so that the collision capture efficiency is increased, and SO2 can be well dissolved and absorbed; the organic acid and the inorganic salt are capable of buffering the pH of the desulfurized slurry, so that the dissolution of lime stone and the reaction between SO2 and the lime stone can be promoted; the polymeric flocculant is capable of achieving an absorption bridging effect among fine crystal grains and between the fine crystal grains and coarse crystal grains in the desulfurized slurry so as to promote growth of the fine crystal grains, so that the fine particle quantity at the outlet of the desulphurization system caused by entrainment of the desulfurized slurry can be reduced. After the method is adopted, the trapping effect of the liquid drops of the desulfurized slurry on the fine particles in the flue gas is improved, the formation of the fine particles of the wet desulphurization system is reduced, and removal of SO2 can be promoted.

The invention provides a multi-source iris image acquisition device capable of eliminating light and shadow in an imaging area. The multi-source iris image acquisition device comprises a guide lens, alight source plate and an iris image acquisition camera module, wherein the guide lens is an assembly which is prepared by taking an optical plate as a substrate in an ink printing manner and has a partial shading function; the light source plate provides symmetrical light sources and lens mounting holes; and the iris image acquisition camera module is provided with two cameras for collecting iris images of the left and right eyes respectively. According to the multi-source iris image acquisition device, the problem of inaccurate iris image acquisition caused by shadows and oval light spots in the iris image acquisition process is effectively solved under the conditions that an external heavy structure is not increased and the overall size and total power consumption of equipment are notincreased.

The invention discloses an air conditioning system for defrosting by means of condensation waste heat and a defrosting control method of the air conditioning system. The air conditioning system comprises a multi-stage refrigeration cycle; evaporators of the multi-stage refrigeration cycle are sequentially arranged in an air supply pipeline; the multi-stage refrigeration cycle shares one condenser;a branch is connected to a water outlet pipeline of the condenser in parallel; a defrosting heat exchanger is connected to the branch; the defrosting heat exchanger is arranged at the front end of alast-stage evaporator; a defrosting valve is arranged on a water inlet pipeline of the defrosting heat exchanger; and a one-way valve is arranged on a water outlet pipeline of the defrosting heat exchanger. Condensed high-temperature waste water and the defrosting heat exchanger are fully used for defrosting the last-stage evaporator, operation of the whole machine is not affected in the defrosting period, and the fluctuation of the air supply temperature is small.

The invention relates to the technical field of inorganic chemical manufacturing and in particular relates to a method for making high-purity refined sulfuric acid. The method comprises the followingsteps: 1, equipment transformation; 2, cycle pickling purification of fuming acid; 3, circulating absorption of a sulfuric acid reagent; and 4, degassing of the sulfuric acid reagent. Since the quality of the reagent acid is reduced by dust and other particles contained in flue gas, the flue gas is subjected to washing purification with fuming sulfuric acid, the purified flue gas enters a sulfuricacid reagent absorption tower to be absorbed again, the product can further achieve high purity, and the method has the advantage of low production cost. Since a fuming sulfuric acid purification tower is arranged and the high-concentration fuming circulating acid is adopted for circulating absorption, the absorption rate of the fuming sulfuric acid purification tower can be further reduced, theconcentration of furnace gas SO3 entering the sulfuric acid reagent absorption tower is ensured, production of the sulfuric acid reagent is stabilized, and consumption of steam and other heat energy is avoided. Therefore, the method disclosed by the invention has the advantages of low production energy consumption and low production cost.

An LDO circuit comprises an LDO main body circuit and an anti-overshoot circuit; the anti-overshoot circuit is connected between the output end of the LDO main body circuit and the ground, the control end of the anti-overshoot circuit is connected with the input end of the LDO main body circuit, and under the condition that the input end of the LDO main body circuit receives input voltage initially, the output end of the LDO main body circuit is communicated with the ground in response to the input voltage received by the control end of the LDO circuit, so that the output voltage output by the output end of the LDO circuit is low level, overshoot of the output voltage output by the output end of the LDO circuit when a power supply is powered on is restrained, and then the condition of overvoltage of an external circuit connected with the output end of the LDO circuit is avoided. Besides, the anti-overshoot circuit does not comprise a resistance device, a larger circuit area does not need to be increased, extra power consumption is not increased, and therefore output voltage overshoot of the LDO circuit is well restrained under the condition that the cost of the circuit is extremely low.

The invention discloses a pressure sensing detection device, a pressure sensing detection method and electronic equipment, and the pressure sensing detection method comprises the steps: setting a detection period of a pressure sensing signal, wherein the detection period comprises a sleep stage and a detection stage; activating a sleep stage, and performing sleep timing; activating the detection stage after the duration of the sleep stage reaches a set time, and detecting a pressure sensing signal in the detection stage; and after the pressure sensing signal detection is completed, entering the next detection period. The pressure sensing detection method is low in power consumption.

The invention discloses an amplifier capable of increasing bandwidth by injecting current and a method thereof. The amplifier comprises an output terminal for receiving a first input signal; a load terminal coupled with the input terminal and used for outputting the first input signal; a preserved current source coupled with the input terminal and used for allowing the circulating of a fixed current; and a first current source coupled with the input terminal and used for injecting the first current into the input terminal and outputting the first output signal.

The invention discloses a wireless signal transmitting device with harmonic suppression and a harmonic suppression method, which are used for solving the problems of cost and power consumption caused by a PA harmonic suppression technology in the prior art. The transmitting device can comprise a power amplification module, a harmonic suppression module and an antenna module, and the power amplification module is used for inputting a radio frequency signal and outputting an amplified radio frequency signal; the harmonic suppression module is used for suppressing a to-be-suppressed harmonic signal of the amplified radio frequency signal and generating a radio frequency signal after harmonic signal suppression; and the antenna module is used for sending the radio frequency signal after the harmonic signal suppression to a signal receiving device. Compared with the prior art, in the embodiment of the invention, the harmonic suppression module is used for suppressing the harmonic signal, so that the power consumption of the VCO inductor does not need to be increased or a special structure of the VCO inductor does not need to be used for suppressing harmonic interference, the quality factor of the inductor can be improved, and the efficiency of the inductor is further improved.

The invention relates to a draught fan device and an electric appliance using the draught fan. The draught fan device comprises a volute (2) and an impeller (1); and the impeller (1) is rotatably arranged in the volute (2) around the axis of the impeller (1), a leakage gap is formed between the impeller (1) and the volute (2), and at least part of the wall face, forming the leakage gap, of the impeller (1) is provided with a first flow disturbing structure (10) which is configured to disturb airflow in the leakage gap.

The invention relates to an operational amplifier for inhibiting the low-frequency noise. The operational amplifier comprises an input for receiving an input signal; a modulator connected with the input end so as to perform the frequency modulation on an input signal by using a modulation signal with modulation frequency of fc; an amplifier component connected with the modulator so as to amplify the modulated input signal; a demodulator for demodulating the amplified signal; a sampling holder for sampling the demodulated signal by selecting a certain time when the signal with the modulation frequency of fc is in a high-level or low-level steady state, wherein the sampling holder is in the holding state when the signal with the modulation frequency of fc is at a rising edge or a falling edge; and an output end for outputting the demodulated signal. The invention further relates to a corresponding amplification circuit and a method for running the operational amplifier. The operational amplifier disclosed by the invention can reduce the circuit cost, and maintain, even improve the signal processing precision at the same time.

The invention discloses a low-noise electromagnetic relay, which comprises a magnetic circuit part and a contact part, and is characterized in that the magnetic circuit part comprises a horizontal coil unit, a yoke and an armature, the yoke and the armature are matched with the coil unit, the armature is connected with a movable spring of the contact part through a pushing clamp, and the armatureswings towards the pole surface of the yoke when being closed; the low-noise electromagnetic relay further comprises at least one noise reduction piece, each noise reduction piece comprises a fixing part and a first elastic buffer structure connected with the fixing part, the fixing parts are fixed to the yoke, and the first elastic buffer structures are arranged on the pole face of the yoke in amatched mode. The first elastic buffer structure can be used for eliminating the action noise of the armature, and the problems that the armature acts slowly and the silencing sheet falls off along with the action of the armature due to the fact that the silencing sheet weights the armature can be solved.

The invention relates to a photon marking based first photon laser imaging system, which comprises a photon coding system, an 1*N laser array (2), a light path turning element (3), a two-dimensional scanning device (4), a beam focusing element (6), a photon decoding system (7), a 1*N single-photon detector array (8), a multichannel time-correlated single photon counting system (9) and a control and data acquisition system (10). The first photon laser imaging system adopts a photon marking algorithm and a high repetition frequency first photon imaging algorithm, can overcome a problem that the pulse repletion frequency of an existing first photon laser imaging system is limited and difficult to be improved, improves the data acquisition speed of the first photon laser imaging system, and shortens the first photon laser imaging time.