23results about How to "Guaranteed normal power consumption" patented technology

The invention provides a multi-energy system regulation and control optimization method and device considering demand side flexible resources. The multi-energy system comprises a first energy supply side and a second energy supply side, and the multi-energy system regulation and control optimization method comprises the steps that according to the power generation condition of the second energy supply side under a historical weather sample, the second power generation amount is predicted; wherein the sum of the first generating capacity and the second generating capacity is the total generating capacity; a power supply distribution model of a target area is established, the target area is gridded through a topological network, each grid of the target area is marked according to identity information registered by a power utilization object, and regulation and control are performed according to comparison between power consumption of areas with different priorities and power supply quantity of a multi-energy system. The technical problem solved by the embodiment of the invention is that an effective regulation and control mode is lacked between different energy power stations, so that the total electric energy supply quantity of an energy supply side is far greater than the demand quantity of an energy consumption side, and thus energy excess and energy waste are caused.

The invention discloses a virtual building energy allocation system based on data management, which belongs to the technical field of energy allocation and comprises a model construction module, a parameter acquisition module, a decision analysis module, a green energy acquisition module and an energy allocation module. According to the invention, the electricity consumption is distributed for each electricity consumption area according to the electricity consumption plan of the building, the electricity consumption information, the environment information and the equipment working information in each electricity consumption area are comprehensively analyzed to generate the evaluation value so as to judge whether the electricity consumption demand of each electricity consumption area is abnormal or not, and when the abnormality occurs, the evaluation value is judged to be abnormal. According to the invention, whether the power consumption is excessive or insufficient can be judged, so that a corresponding allocation instruction is generated to correspondingly adjust the distributed power consumption, the electric energy can be redistributed in time according to the power consumption condition of each region, the excessive electric energy in the region with small power consumption demand is avoided, and the power consumption is reduced. And therefore, the power supply balance of the building can be ensured.

The invention relates to a video call method and system. The method comprises the following steps: acquiring a video stream of a video call, and extracting all video frames from the video stream; determining a key video frame and a non-key video frame corresponding to the key video frame from all the video frames based on a dynamic vector detection algorithm; carrying out downsampling processing on the non-key video frame; and sending the non-key video frames after downsampling processing and the corresponding key video frames to an intelligent terminal. According to the invention, the problem that resource finiteness of equipment cannot be considered while video call quality is improved in the prior art is improved.

The present invention relates to the field of power supply and heating, and provides a gas power generation and heating equipment and a control method thereof, comprising a gas generator set, a first water pipe, a heat exchanger, and a second water pipe connected in sequence to form a first loop, wherein the first loop circulates the jacket water of the gas generator set; the electric heater, a third water pipe, a heat exchanger, and a fourth water pipe are connected in sequence to form a second loop, wherein the second loop circulates heating water for residents; the absolute value of the length difference between the third water pipe and the fourth water pipe is less than 10% of the length of the third water pipe; when the water temperature at the electric heater is less than a second preset threshold value, the electric heater is used to heat the heating water; and the electric power of the electric heater is provided by the gas generator set. The above scheme can improve the heating efficiency.

The invention belongs to the technical field of mechanical fault diagnosis, and particularly discloses a wireless telemetering and edge diagnosis method and system based on compressed lightweight sensing, and the method comprises the following steps: collecting vibration and temperature signals of equipment, and carrying out the preprocessing of original signals; envelope detection is carried out on the preprocessed vibration data at the edge end, kurtosis values of the temperature data and the vibration data are calculated, anomaly detection is carried out by using an empirically preset kurtosis value, and fault information is output if anomaly exists; discrete cosine Huffman dual-mode coding is used, compressed coding is carried out on the preprocessed vibration data, and a telemetering node sends the coded data; and a data receiving end decodes and reconstructs coded data through Huffman anti-coding and discrete cosine inverse transformation, and performs fault identification by using a neural network. By adopting the technical scheme, the transmission data volume is remarkably reduced through the data compression technology, so that the bandwidth requirement and the transmission delay are reduced, and fault diagnosis can be more efficiently carried out.

The present disclosure provides a heat dissipation module and equipment cabinet, the heat dissipation module comprises a fan assembly; a heat conduction assembly is tightly connected with the fan assembly along a first direction; a rotating support is connected with the fan assembly along the first direction and can rotate around an axis relative to the fan assembly, the rotating support is matched with the heat conduction fins of the heat conduction assembly through a folded edge structure and is tightly connected with the heat conduction fins along a second direction to press the folded edge structure; wherein the first direction and the second direction satisfy the perpendicular condition. The heat dissipation module and equipment cabinet of the present disclosure connect the fan assembly and the heat conduction assembly together by setting the rotating support, the rotating support is rotationally connected with the fan assembly and is tightly connected with the heat conduction fins of the heat conduction assembly along the second direction, the torsion generated in the process of tightening drives the rotating support to rotate upward relative to the fan assembly to press the folded edge structure and ensure that the corresponding part of the heat conduction fins is always in the best position of the air inlet of the fan assembly.

The utility model relates to the technical field of solenoid valve decoders, and discloses a solar wireless valve controller. The utility model aims to solve the technical problems that a wired decoder in the prior art needs to lay a large number of wires, the labor cost is high, the maintenance is complicated, and the solar energy utilization efficiency is low. The system comprises a controller connected with a plurality of electromagnetic valves, the controller is connected with a motor driving module and a wireless communication module, and the motor driving module comprises two motor driving chips RZ7899 so as to realize double-shaft tracking rotation of a solar panel; the wireless communication module comprises a LoRa radio frequency chip; the input end of the power supply module is connected with the solar panel, and the output end of the power supply module is connected with the energy storage battery; the power supply module further comprises a signal processing circuit, and the signal processing circuit comprises two optical couplers. According to the utility model, automatic control and management of the electromagnetic valve are realized. The efficiency and the reliability of the system are improved, the operation cost is reduced, and remarkable economic and social benefits are achieved.

The invention relates to a wiring device for replacing an electric energy meter without power outage, and belongs to the technical field of electric energy meter replacement, the wiring device for replacing the electric energy meter without power outage comprises a box body, a wiring instrument is fixedly connected in the box body, the box body is provided with a storage area, and a connecting mechanism, a puncture deconcentrator and a connecting wire are placed in the storage area; the connecting mechanism, the puncture deconcentrator and the connecting line are matched with the wiring instrument for use, the puncture deconcentrator is used for connecting a power transmission line below the electricity meter, and the connecting line is used for connecting the puncture deconcentrator with the wiring instrument. When the electric energy meter is maintained, the electric energy meter does not need to be replaced in a user side power-off mode, normal electricity utilization of residents in life is ensured, the alternating cost is reduced, the alternating efficiency is improved, the burden of meter replacing personnel is relieved, the meter replacing efficiency is improved, and in the meter replacing process, the meter replacing efficiency is improved. The wiring instrument can display and record electric power data generated in the meter changing process in real time through the display screen, energy loss is reduced, and economic benefits are improved.

The invention discloses a temperature sensor and a control method, and the method comprises the steps: outputting a clock pulse signal to a pulse extractor and a non-overlapping clock and phase generator through a voltage-controlled ring oscillator, and then outputting a fractional pulse signal and a work control signal; a temperature sensing front end outputs a delay voltage signal according to the working control signal; carrying out linear transformation and chopping on the delay voltage signal through a time domain amplifier according to the working control signal, and outputting a delay pulse signal; outputting a pulse control signal according to the delay pulse signal through a phase frequency detector; performing voltage regulation on the notch filter through the charge pump according to the pulse control signal; outputting a control voltage signal according to the working control signal through a notch filter; by adopting a fractional type charge discharge scheme and introducing a time domain amplifier with a chopping function, compact design, low power consumption and high resolution of the sensor are realized under low voltage, and the temperature sensor can be widely applied to the technical field of temperature sensor design.

A UPS power system and control method with dynamic bypass and backup automatic switching device, the system includes a first AC power supply, a second AC power supply, a first battery, a second battery, a first UPS, a second UPS, a first switch, a second switch, a third switch, and a fourth switch; and also includes a backup automatic switching device; breaking through the parallel operation mode of traditional UPS devices, adjusting the structure of the traditional primary system, and connecting the backup automatic switching device between two UPS power supplies running in parallel, thereby ensuring the normal power consumption of users supplied by the UPS power supply. While solving the reliability of the uninterruptible power supply system, it also takes into account the safe and stable operation characteristics of the system.

The utility model discloses a control valve for engine cooling liquid. The control valve comprises a seat body and an electronic thermolator, the seat body is of a cavity structure and comprises a first mounting surface and a second mounting surface which are oppositely arranged; the electronic thermolator is arranged at the second mounting surface and comprises a cover body which is of a hollow structure and comprises a mounting part, and the mounting part extends into the cavity structure of the seat body from the mounting hole of the second mounting surface; the thermolator body is arranged in the annular structure of the mounting part, and a wax bag is arranged in the thermolator body; the thermolator lower support and the thermolator upper rubber hanging support are arranged on the lower portion and the upper portion of the thermolator body respectively. The small circulation sealing cover is arranged at the lower end part of the thermolator body; the electric heating rod is arranged in the thermolator body and is in typical data connection with the whole vehicle ECU; the ECU can control the electric heating rod to heat the wax bag and enable the wax bag to be melted in an accelerated mode, and the control valve can be rapidly switched from a small circulation state to a large circulation state.

The invention relates to a live-line switching method for a bus operation mode of a distributed substation, and belongs to the technical field of power transformation and distribution system operation. According to the technical scheme, when a switch of a 10kV bus coupler cabinet of a 110kV transformer substation is located at a switching-on position, and a 10kV bus coupler cabinet trolley and a bus coupler lifting cabinet trolley are both located at operating positions, a first power supply incoming line and a switching-on locking loop of a bus coupler cabinet and a second power supply incoming line and a bus coupler cabinet of each distributed transformer substation are shielded, and three-throw three-loop closing is achieved; therefore, live-line switching of the bus operation modes of the distributed substations is realized. The system has the advantages that the risk of substation circulation caused by manual misoperation is fundamentally avoided, the stability and accuracy of signal transmission are effectively guaranteed by adopting a multi-node signal transmission mode, potential safety hazards caused by signal problems are reduced, power failure is not needed when operation modes of all distributed substations are switched, and the system is safe and reliable. The power failure time and the power failure frequency are reduced, the power supply reliability is improved, and normal power utilization is effectively guaranteed.

The embodiment of the invention relates to the technical field of automatic control, in particular to a photovoltaic inverter control method and system. The photovoltaic inverter comprises an inversion unit, an inversion relay, a commercial power relay, a load relay, an intelligent load relay and an inversion controller, and the output end of the inversion unit is connected with the commercial power relay, the load relay and the intelligent load relay through the inversion relay. The inverter relay, the commercial power relay, the load relay and the intelligent load relay are connected with the inverter controller, and the method comprises the following steps of: connecting a control signal end of the inverter relay with a NOT gate input end; the control signal ends of the commercial power relay, the load relay and the intelligent load relay are respectively connected with the output ends of three OR gates, the first input ends of the three OR gates are respectively connected with an inverter controller, and the second input ends of the three OR gates are all connected with the output end of the NOT gate.

The invention relates to a low-power-consumption power-on reset circuit, which realizes low-power-consumption and high-stability power-on reset and power-on detection functions by utilizing the hysteresis characteristic of a Schmitt trigger and combining the complementary control of a PMOS (P-channel Metal Oxide Semiconductor) transistor and an NMOS (N-channel Metal Oxide Semiconductor) transistor. Not only is necessary reset time delay provided, but also power consumption of the circuit in the starting process is reduced. Meanwhile, in order to further improve the performance, a voltage detection hysteresis function is provided, an additional protection mechanism is provided, and the situation that the voltage is too low due to power supply fluctuation is prevented. Compared with the prior art, the power-on reset circuit has the advantages that the overall power consumption of the power-on reset circuit is remarkably reduced by utilizing the low power consumption characteristic of the CMOS transistor, the reset stability of the circuit is ensured through accurate voltage detection and delay control, the response speed of the circuit to the power supply change is improved through the optimized voltage detection module, the circuit design is simple, and the cost is low. And the method is easily compatible with the existing integrated circuit process.

The modularized water surface operation platform comprises a floating body module assembly, the floating body module assembly comprises at least two floating bodies, the adjacent floating bodies are connected into a whole through a connecting structure, the connecting structure comprises module interfaces and a connector assembly, the four side faces of each floating body are provided with the module interfaces of longitudinal groove structures respectively, and the module interfaces of the longitudinal groove structures are connected with the connector assembly. The module interface comprises a groove, the groove vertically penetrates through the floating body, and limiting ribs are fixedly connected to the opposite groove walls in the groove respectively; the connector assembly comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are connected through a safety rope, clamping grooves are formed in the two sides of the first connecting block and the two sides of the second connecting block respectively, and the clamping grooves are used for being clamped with the limiting ribs in the grooves of the adjacent floating bodies. And a hoisting device is also arranged on the floating body. Through the structure, quick mounting and dismounting of the floating body module assemblies are achieved, and after the floating body module assemblies are connected into a whole, the structural strength is high.

The present invention provides a compatible device and corresponding method for dynamic blood glucose monitoring. It relates to the field of dynamic blood glucose monitoring, and solves the problem that the prior art cannot take into account the advantages of two ADCs with different architectures at the same time. The device includes: a digital controller, which receives the configuration information of the host computer, a continuous blood glucose sensor, which periodically collects the glucose concentration data of the subcutaneous interstitial fluid, a multiplexer, which selects an analog-to-digital converter for signal conversion according to the configuration information; an analog-to-digital converter that receives blood glucose detection data, which is used to convert the blood glucose detection data into a digital signal, a first-in first-out register, which performs read and write control of blood glucose detection data, a working mode control module, which is used to convert the sleep state or the working state; a timer, which performs periodic timing. The present invention can be compatible with low latency and high precision.

The invention provides a power load prediction method and system, and relates to the field of meteorological and power research, and the method comprises the following steps: S1, obtaining load data and meteorological data in recent two years, and carrying out the date type marking of the data; s2, respectively constructing training data sets for different dates in a short period to carry out training, and obtaining prediction models of the corresponding dates; s3, acquiring input data for carrying out short-term load prediction; and S4, respectively inputting the data obtained in the S3 into corresponding prediction models to obtain a short-term load prediction result. According to the method, power load data of two years in the past and meteorological data in a corresponding time period are utilized to redefine a day time range, working days and non-working days are distinguished, a LightGBM machine learning method is adopted to carry out learning training on short-term power load changes, and power load prediction of 15 minutes per 15 minutes in three days in the future is obtained. The output power load prediction is more accurate and fine, and powerful support is provided for the business decision of the power department.

The invention relates to the technical field of communication, in particular to a communication signal optimization method and device, a server and a computer storage medium. According to the invention, when it is monitored that the load size of the network node set is greater than the preset load threshold value, the historical traffic data corresponding to the target object is obtained, the network traffic mode of the target object is determined based on the historical traffic data, and when the network node set receives the network request of the target object, the network traffic mode of the target object is determined. Acquiring signal quality data and external environment data of the target object at the current moment, and predicting target signal intensity of the target object at the next moment according to current signal intensity in the signal quality data and the external environment data, and optimizing a signal search strategy of the target object based on the current signal strength, the target signal strength and the network flow mode, thereby realizing optimization of the signal search strategy to optimize a communication signal of the target object, and further reducing power consumption of the target object.

The invention relates to the field of power supply and heat supply, and provides gas power generation and heat supply equipment and a control method thereof.The gas power generation and heat supply equipment comprises a gas generator set, a first water pipe, a heat exchanger and a second water pipe which are sequentially connected to form a first loop, and the first loop circulates cylinder sleeve water of the gas generator set; the electric heater, the third water pipe, the heat exchanger and the fourth water pipe are sequentially connected to form a second loop, and the second loop circulates resident heating water. The absolute value of the length difference between the third water pipe and the fourth water pipe is smaller than 10% of the length of the third water pipe; when the water temperature of the electric heater is smaller than a second preset threshold value, the electric heater is used for heating the heating water; and the electric power of the electric heater is provided by the gas generator set. According to the scheme, the heat supply efficiency can be improved.

The utility model relates to the technical field of lifting tables, in particular to a telescopic wire tube for a lifting table, which comprises a sleeve assembly, the sleeve assembly is formed by nesting at least two sleeves, the top of the sleeve assembly is provided with a top wire interface assembly, one side of the top wire interface assembly is provided with a top wire socket, and the other side of the top wire interface assembly is provided with a bottom wire socket. A bottom wire interface assembly is installed at the bottom of the sleeve assembly, a bottom wire socket is arranged on one side of the bottom wire interface assembly, a spring wire is arranged in the sleeve, the two ends of the spring wire are connected with the bottom wire socket and a top wire socket respectively, and a top installation support is fixed above the top wire interface assembly. The top mounting support is provided with a mounting hole used for being connected with the bottom of a table top of the lifting table. Compared with the prior art, the spring wire is protected through the sleeve assembly, and the wire sockets are arranged on the two sides of the sleeve assembly, so that the wire can be stored, power utilization of the table top in different height states is guaranteed, and safety is improved.

The invention provides a compatible device for dynamic blood glucose monitoring and a corresponding method. Relates to the field of dynamic blood glucose monitoring, solves the problem that the advantages of two ADCs (Analog to Digital Converters) with different architectures cannot be considered simultaneously in the prior art, and comprises a digital controller for receiving configuration information of an upper computer, a continuous blood glucose sensor, periodically collecting glucose concentration data of subcutaneous intertissue fluid and a multiplexer, selecting one analog-to-digital converter for signal conversion according to the configuration information; the analog-to-digital converter is used for receiving blood glucose detection data and converting the blood glucose detection data into digital signals, the first-in first-out register is used for performing blood glucose detection data read-write control, and the working mode control module is used for converting a dormant state or a working state; and the timer is used for periodically timing. The method can be compatible with low time delay and high precision.

The invention provides a special-shaped thermoelectric refrigerating unit, a Dewar assembly, a refrigerating infrared detector and a composite refrigerating method, and relates to the technical field of infrared detectors, the special-shaped thermoelectric refrigerating unit comprises a refrigerating unit body, the interior of the refrigerating unit body is hollow to form a cavity, and the longitudinal section of the refrigerating unit body is in an n shape; the cold end covers the top end of the n shape of the refrigerator body, and a first hole matched with the cavity is formed in the cold end; and the hot end is annularly enclosed on the side wall of the bottom of the n shape of the refrigerator body. The special-shaped thermoelectric refrigerator has the beneficial effects that the interior of the refrigerator body is hollow to form the cavity, and the longitudinal section of the refrigerator body is n-shaped, so that the special-shaped thermoelectric refrigerator can act on the edge area of a chip during working and can be combined with a refrigerator to realize composite refrigeration during application, and the whole chip is heated uniformly; the purposes of quickly refrigerating, optimizing the stress and deformation of the chip and ensuring the power consumption of the refrigerating machine are achieved, and meanwhile the temperature of the cold shield can be controlled.

The utility model provides an on-off control circuit for dual-power-supply equipment, and a power supply single member of the dual-power-supply equipment comprises an adapter and a battery, and comprises a first switching circuit, a third switching circuit and an adapter monitoring circuit, the first switching circuit is used for receiving an input voltage of the adapter, and the third switching circuit is used for receiving an input voltage of the battery and is connected to a power supply end of the dual-power-supply equipment; when the adapter is connected, the input channel of the battery is cut off, and the dual-power-supply equipment is powered by the adapter; when the adapter is not switched on and the battery is switched on, the input voltage of the battery is transmitted to the power supply end of the dual-power-supply equipment, the third switching circuit outputs a battery power supply detection signal to the dual-power-supply equipment, and the dual-power-supply equipment is powered by the battery; when the adapter is cut off, an interrupt signal is output to the dual-power-supply equipment; when receiving the interrupt signal, the dual-power-supply equipment obtains a battery power supply detection signal, and when it is judged that the battery is not connected according to the battery power supply detection signal, the dual-power-supply equipment sends out a protection action instruction.