556 results about "Equipment temperature" patented technology

The invention relates to an underground central pump room draining automatic monitoring system, which comprises a PLC control cabinet, a remote expanding module, a site data bus, a contact screen, an analog quantity and switching value input module, various monitoring probes, a travel switch, a level instrument and an executable section. A monitoring net adopts a form of combining a PROFIBUS DP site data bus and an industrial ethernet. A monitoring method for the system comprises: (1) monitoring the absorbing well water level; (2) monitoring the state for starting a high pressure switching cabinet by a water pump; (3) judging the valve levels of a gate valve, a ball valve of a water jet pumping device and a water distribution gate; (4) judging the valve levels of a vacuum pump ball valve; (5) measuring each equipment temperature measuring point; (6) measuring signals of a pressure sensor and a negative pressure sensor; (7) judging system faults; (8) automatically controlling the start-stop and operation numbers of the water pumps according to the absorbing well water level conditions; and (9) setting power supply peak avoiding time periods, and automatically selecting starting time and numbers of a pump. The system improves the system working reliability, reduces the equipment fault rate, and adopts a three-stage monitoring structure for a draining system.

The invention belongs to the technical field of infrared monitoring, relates to the panoramic equipment working temperature monitoring technology based on infrared, and specifically relates to a determining method for positions of monitored targets in an instant infrared chart. The method comprises the steps of: carrying out position registry on the instant infrared chart in an infrared panorama to obtain the corresponding region of the instant infrared chart in the infrared panorama, wherein the infrared panorama is synthesized in advance and the position of each monitored target is marked in the infrared panorama; and then determining the positions of the monitored targets in the instant infrared chart according to the monitored targets contained in the corresponding region and the relative position of the targets in the corresponding region. According to the method, the dependence of the position determining of the monitored targets on the presetting bit parameter and turning parameter of a cradle head device is eliminated, thus the precision for determining the positions of the monitored targets in the instant infrared chart is effectively improved, and a solid foundation is laid for realizing high-precision monitoring on the equipment temperature by an online infrared monitoring system.

The invention relates to a temperature-measuring system of distributed fibers, aiming at the continuous monitoring of temperature parameters of underground electromechanical transport equipment. The temperature-measuring system of distributed fibers comprises a singlechip control board, a fiber temperature field information acquisition module, a photoelectric detector and a circuit signal post-processing module, wherein the fiber temperature field information acquisition module comprises a pulse fiber laser and a wavelength division multiplexer; the circuit signal post-processing module comprises an acquisition card and a personal computer (PC); the singlechip control board is connected with the pulse fiber laser and the acquisition card by leads; the wavelength division multiplexer is connected with the pulse fiber laser and the photoelectric detector by fibers; incident light emitted by the pulse fiber laser is output to the sensing fiber by the wavelength division multiplexer; the sensing fiber feeds backward scattered light with temperature variance information of mine equipment back to the wavelength division multiplexer; and the wavelength division multiplexer extracts two scattered light beams of anti-Stokes and Stokes from the backward scattered light to restrain Rayleigh scattered light and other non-linear scattered light; and the photoelectric detector is connected with the acquisition card by a lead.

The invention discloses a substation inspection communicating system which comprises a local monitoring system for conducting two-way information exchange with a remote centralized control background through a special-purpose electric power network; and a remote centralized control system for accessing on-spot monitoring data and the state data of robots in real time and further comprising a management server and a client terminal. When communication signals are disrupted or abnormal data arise, both the local monitoring system and the remote centralized control system make warnings on abnormal communications. The robots are provided with communication warning and indicating signals by themselves. The backgrounds of both the local monitoring system and the remote centralized control system make warnings on abnormal communications. According to the invention, the substation inspection system can replace or help people to conduct inspections completely, locally or through a remote control mode. The inspection contents include equipment temperature, instruments, and etc. The detection means are diversified and intelligent. Further, the inspections are standardized ones, making them very objective.

A method and a device for measuring humidity may be suitable for determining the relative humidity in the high-humidity range. The device includes a sensor device, as well as sequential electronics post-connected to the same. The sensor device includes a capacitive humidity-sensor element, a temperature-sensor element, and a heating element, the humidity-sensor element being heated in at least one part of the humidity-measuring range. The ambient temperature is further ascertained by the sequential electronics, from the heating power required in the heating mode, as well as from the measured, local sensor device temperature, in order to further determine the relative humidity.

A mechanical assembly for regulating the temperature of an integrated circuit chip is comprised of a frame which has two spaced-apart spring supports. A single leaf spring extends from one of the spring supports to the other. A heat exchanger contacts the leaf spring at one point, pushes the leaf spring against the spring supports, and has a face for mating with the chip. And, a stop is provided between the heat exchanger and the frame, which keeps the heat exchanger on the leaf spring. With this assembly the heat exchanger exerts a very small force at its initial point of contact on the chip; the length of the single leaf spring does not add to the profile of the assembly; no slippage occurs between the heat exchanger and the chip; and, the stop prevents the heat exchanger from twisting and becoming offset relative to the chip.

A first reception unit receives “ambient temperature” which is a temperature of surroundings where the computer is installed. A second reception unit receives “first device temperature” which is a temperature of a first device provided in the computer. A third reception unit receives “second device temperature” which is a temperature of a second device provided in the computer. A fan rotation speed indicating unit determines the rotation speed of the fan based on a comparison between the ambient temperature, first device temperature, and second device temperature which are received by the first to third reception units and a fan rotation speed description table describing a relationship between the respective temperature and fan rotation speed and instructs the fan to rotate at the determined rotation speed.

A method, system and computer program product for generating device fingerprints and authenticating devices uses initial states of internal storage cells after each of a number multiple power cycles for each of a number of device temperatures to generate a device fingerprint. The device fingerprint may include pairs of expected values for each of the internal storage cells and a corresponding probability that the storage cell will assume the expected value. Storage cells that have expected values varying over the multiple temperatures may be excluded from the fingerprint. A device is authenticated by a similarity algorithm that uses a match of the expected values from a known fingerprint with power-up values from an unknown device, weighting the comparisons by the probability for each cell to compute a similarity measure.

The present invention belongs to the field of equipment temperature monitoring technology, and relates to a fan monitoring device and its monitoring method. Said device includes environment temperature detection sensor, N power MOS trasistors respectively connected with N fans and CPU, programable fan rotating speed measuring circuit connected between CPU and fan, pulse generator connected between environment temperature detection sensor and power MOS transistor and linear conversion circuit. Said invention also provides the action of every the above-mentioned component, and said invented fan monitoring device can be used in various communication equipments.

The invention discloses a device for heating a battery box by waste heat of heat generating equipment in an electric automobile. The device comprises a battery box temperature sensor, a heating equipment temperature sensor, an electromagnetic valve A, an electromagnetic valve B and an electric heater which are controlled by a finished automobile controller; a circulating pipeline A is used for sequentially connecting a water pump A and a plurality of heating equipment in the automobile in series, and the electromagnetic valve A is arranged on the section, at an inlet of a medium passageway A, of the circulating pipeline A; a circulating pipeline B is used for sequentially connecting a water pump B, the battery box, a water tank B and an electric heater in series; the circulating pipeline A also comprises a parallel bypass which is connected with the circulating pipeline A through a tee joint A and a tee joint B; and a circulating pipeline C is from the outlet end of the water pump A and sequentially passes through the heating equipment, a heat radiator and the water tank A to reach the inlet end of the water pump A, and the electromagnetic valve B is arranged on the section, between the heat radiator and the tee joint B, on the bypass. The device disclosed by the invention can be used for heating the battery box by effectively utilizing the waste heat generated in the electric automobile, thereby reducing the loss of electric energy and improving the utilization efficiency of energy.

The invention belongs to the technical field of electric power systems and provides an extra-high-voltage substation equipment temperature monitoring and alarming method based on outlier detection. Running status data of equipment are monitored, an outlier mining method in data mining is applied, and therefore the temperature anomaly status in the running process of the equipment is found in time; equipment failures are diagnosed in time by matching threshold detection, the high-temperature failures of the equipment can be avoided effectively, and the reliability of the equipment is improved. Compared with existing methods, the extra-high-voltage substation equipment temperature monitoring and alarming method has higher sensitivity, can diagnose the high-temperature failures of the equipment better, and makes effective use of historical data.

The invention discloses a wearable device for power security inspection operations, and belongs to the field of wearable devices. The wearable device includes a smart watch, a wearable helmet and centralized monitoring software. The watch monitors the status of the staff, obtains health information of the staff, displays the collected data, and prompts the staff through vibration when the staff in the field misoperate. The helmet is based on the power safety helmet, collects ambient temperature, equipment temperature, sound, oxygen content and staff location information of an inspection site by setting various sensors thereon, obtains live video information in real time through a camera and sends the acquired information to the centralized monitoring software through a CPU control module. The centralized monitoring software receives the real-time information from the smart watch and the wearable helmet and completes the inspection operation task management, centralized operation process monitoring, data collection and storage functions; and sends a danger message to the smart watch when an abnormality occurs to the health condition of the inspection staff or equipment. The wearable device of the invention can be widely used in the field of power equipment inspection and management.

The invention relates to a wind turbine generator short-term reliability prediction method considering the operating state, which comprises the steps of acquiring state parameters of a wind turbine generator through a state monitoring and data acquisition system, classifying the state monitoring parameters into two categories; establishing a back-propagation neural network based state parameter prediction model in allusion to equipment temperature parameters, calculating the protective action probability based on prediction residual distribution characteristics, and calculating the protective action probability according to the out-of-limit time in allusion to other parameters; carrying out statistics on the outage times and the speed at an outage moment of the wind turbine generator according to wind power station operation and maintenance data and SCADA (Supervisory Control And Data Acquisition) data, and building a wind speed dependent wind turbine generator statistical outage model; and calculating the wind turbine generator short-term outage probability by combining outage statistical information and state parameter out-of-limit information. The method provided by the invention can accurately evaluate the outage risk of a wind turbine generator in a short term, the accuracy of a wind turbine generator short-term outage model is greatly improved, and technical reference is provided for short-term reliability evaluation and safe and economical operation of the whole wind power station.

The invention discloses a temperature prediction method of electric power equipment based on a depth neural network. The method comprises the following steps: firstly, collecting the sample data of field parameters and the corresponding temperature data of actual equipment after the time period t, transmitting the data to the background monitoring system, preprocessing the data, and training the temperature prediction model through the depth neural network; then, the field parameter data are collected regularly to predict the temperature of the equipment after the time period t, and the equipment with high temperature is warned at different levels. Finally, in the routine patrol inspection, the electric power patrol robot collects the actual equipment temperature data, compares the equipment temperature data with the predicted equipment temperature data, and checks whether the temperature prediction model can adapt to the latest equipment state. The invention effectively prevents the high-temperature situation of the equipment, reserves the emergency time for the emergency repair work of the substation, and improves the working safety of the substation.

The invention discloses a frame equipment temperature control system and a temperature control method. The system comprises a plurality of fans which are respectively arranged in the frame equipment and a plurality of temperature control units which are arranged adjacent to the fans in a one-to-one correspondence way and used for detecting the ambient temperature of the fans and controlling the rotation speed of the corresponding fan according to the temperature change. As the system and the method of the invention are added with the regional temperature control function, the local over-heat problem possibly caused by single temperature detection can be effectively avoided, and the temperature control system has the capacity of uniform adjustment and regional self-adjustment, furthermore, the energy resource is saved, the noise is lowered and the service life of the fan is prolonged.

The invention provides a cable fault on-line monitoring system. A plurality of sets of fault monitoring modules are arranged on a cable circuit to be detected in a subsection mode, the short-circuit current, the grounding current, the load current and the current temperature of the cable circuit are detected, and the detected data are sent to a background monitoring center through a communication center; in addition, a temperature detection module is arranged so that the equipment temperature at a position to be detected in high-voltage equipment can be collected, a thermodetector is used for sending the temperature data to the background monitoring center, and therefore when the circuit breaks down, synthetic judgment can be carried out at the background monitoring center. Furthermore, when the circuit breaks down, a fault indication module is used for giving an alarm, fault points can be quickly known by remote control workers or field maintenance workers, and thus fault detection reliability can be improved. The cable fault on-line monitoring system can be applied to the technical field of electric power fault detection.

An improved induction lighting system is presented where the electronic power supply device powering the induction lamp is insulated and an extensive set of heat sink fins is provided to control the temperature of the power supply. Reduction of power supply device temperature in this manner greatly extends the operational life of these devices.

The improved induction lighting system is designed to be retrofitted into existing induction lighting systems, in all indoor and outdoor lighting applications.

The invention relates to the field of power equipment safety monitoring, in particular to a high-voltage equipment temperature monitoring system based on the ZigBee wireless sensor network technology. The high-voltage equipment temperature monitoring system comprises a monitoring center, RS 485 buses, at least one RS 485 gateway and a plurality of ZigBee terminal nodes corresponding to the RS 485 gateways respectively. Each RS 485 gateway comprises a ZigBee coordinator and an RS 485 forwarding module. The ZigBee terminal nodes are in the dormant state at ordinary times, temperature sensors in the ZigBee terminal nodes trigger interruption when the temperature of monitoring points is higher than a preset value, the interruption awakens the ZigBee terminal nodes so that the ZigBee terminal nodes can upload high temperature alarm information to the monitoring center in time, and therefore the problem that when ZigBee terminal nodes are in the dormant state, a monitoring system can not deal with sudden temperature rise of monitoring points or acquire high temperature alarm information in time is solved. The high-voltage equipment temperature monitoring system has the advantages of being low in cost and power consumption, high in real-time performance and reliability and good in usability.

Systems and methods for controlling test conditions using logic built-in self-test (LBIST) components to affect test conditions. In one embodiment, an LBIST controller is coupled to LBIST circuitry that is incorporated into the design of a device under test, and also to a thermal sensor that is in thermal communication with the device under test. The LBIST controller is configured to receive device temperature information from the thermal sensor and to modify control signals that are provided to the LBIST circuitry in order to cause the LBIST circuitry to operate in a manner that drives the device temperature to a desired level. In one embodiment, the LBIST controller adjusts the speed with which the LBIST circuitry scans data into and out of a plurality of scan chains, thereby adjusting the amount of heat generated by this operation, which in turn affects the temperature of the device.

The invention discloses a wearable technology based intelligent power routing inspection system, and belongs to the portable tool field. The system includes intelligent watches, intelligent helmets, 2.4G wireless base stations and routing inspection system platform monitoring software. The intelligent watches are responsible for collecting, processing and issuing control tasks and displaying prompt messages like temperature, path, etc.; the intelligent helmets can realize the detection of environment temperature, equipment temperature, sound information, oxygen content information and video information and an indoor personnel positioning function; the 2.4G wireless base stations are responsible for the data transmission and instruction communication between the intelligent watches and intelligent helmets and the routing inspection system platform monitoring software operated by a monitoring host; and the routing inspection system platform monitoring software is responsible for the storage queries of detection data, the record playback of audio and video, visual information display, route planning and alarm processing mechanisms, and for realizing distributed data collection, distributed transmission structures, personnel positioning and route planning, performing system function allocation scheduling and the centralized processing, analyzing, merging and sending of summarized information, and achieving multifunctional collaborative works.

The invention discloses a substation polling method, comprising: infrared data detection, real-time acquisition and monitoring on temperatures of a transformer, mutual inductor body, a switch contact and a bus connector, and intelligent analysis and diagnosis on equipment temperature data by means of temperature rise analysis, temperature rise comparison of homogeneous or three-phase equipment, historical trend analysis and the like, thus realizing judgment and automatic alarm on equipment fault; an infrared detection system is controlled by pattern recognition, equipment needing temperature detection is recognized first, and then the highest temperature is detected. The substation polling system can replace or assist manpower in polling in a full-automatic, local or remote control mode, wherein the polling comprises equipment temperature, instruments and the like, so that the substation polling system has the characteristics of diverse detection modes, intelligence, standardization in polling, strong objectiveness and the like.

Methods and systems for operating a semiconductor device (e.g., a processor) are described. The device is operating at a first operating condition and device temperature. The first operating condition for the device can be dynamically changed to a second operating condition. The second operating condition is selected considering the design operating life of the device.

The invention discloses a control method for automatically starting and closing home equipment. The control method is used for intelligent terminal equipment and comprises the following steps of S10, judging whether a user is at home or not; S20, when the condition that the user is at home is judged, acquiring real-time outdoor temperature; S30, automatically controlling the starting or closing of the home equipment according to the real-time outdoor temperature. According to the control method disclosed by the invention, whether the user is at home or not is judged by detecting whether the intelligent terminal equipment of the user is connected to a router in a home; when the condition that the user is at home is judged, the home equipment is automatically started or closed according to the outdoor temperature, and the temperature of the home equipment is decided according to weather information. Compared with the current home equipment product on the market, the intelligent home equipment disclosed by the invention is more intelligent and power-saving.