765results about How to "Real-time temperature monitoring" patented technology

The invention provides a rolling method of TC4 titanium alloy wide cut medium-thickness plates. The rolling method includes the following steps: 1, first heating treatment is performed on TC4 titanium alloy plate blank with thickness ranging from 80mm to 150mm and length and width ranging from 800mm to 1200mm; 2, first rolling is performed on the TC4 titanium alloy plate blank to obtain semi-finished plate blank; 3, surface scale is removed after the semi-finished plate blank is sheared, and then second heating treatment is performed; and 4, second rolling is performed on the semi-finished plate blank to obtain TC4 titanium alloy wide cut medium-thickness plates with thickness ranging from 5mm to 30mm and width ranging from 1000mm to 2600mm. Through comprehensive control of rolling temperature, rolling heating number, heating number deformation and rolling directions, finally the TC4 titanium alloy wide cut medium-thickness plates with small anisotropism, high mechanical properties, strong plastic comprehensive matching are manufactured.

The invention relates to the field of electric power system monitoring, in particular to a cable 10kV high voltage ring main unit remote monitoring and control system which is used for conducting real-time monitoring of operation conditions of power distribution facilities and distribution cable lines, realizing early warning and alarming of abnormal and failure states and postmortem analysis after accidents, and controlling and regulating the operating environment of equipment through remote operation. According to the cable 10kV high voltage ring main unit remote monitoring and control system, grid smart operation management serves as the target, various on-line monitoring techniques are integrated, and monitoring cameras, a fan and solar equipment are installed in a switching station; the system can be used for checking the information of the monitoring cameras in the switching station in real time, monitoring the operating state of the fan, realizing the early warning and alarming of the abnormal and failure states and the postmortem analysis after the accidents, realizing dynamic evaluation of health conditions of the equipment, and realizing remote operation control over monitoring of the equipment; a multi-dimensional display technology is combined, safe and reliable operation capacity of a distribution network is enhanced, trouble shooting efficiency and maintenance efficiency are improved, and therefore a complete set of grid visual monitoring system is formed.

The invention discloses a high-power direct-current charging machine / pile DCDC conversion device for an electric automobile and a control method of the high-power direct-current charging machine / pile DCDC conversion device. A multiphase interleaving voltage decrease and increase adjustment technology is adopted in the device, the requirements for adjustment of wide voltage input and wide voltage output are met, and through the modularized control structure design, the output of charging energy can be controlled, the output ripples can be reduced, and power and efficiency are improved. The output voltage and the current of the device can both be controlled, and the device has the protection functions of current protection, voltage protection, temperature protection, power protection, drive short circuit protection and the like; and a pre-starting current limiting module, a charging pre-starting and discharging protection module, a hardware overcurrent protection module and a fault signal processing module are additionally arranged, so that the safe reliability of the device is effectively enhanced. The device is small in ripple, high in conversion efficiency, low in cost, simple in structure, small in start current and high in safe reliability, the device can be used for high-power direct-current charging machine / pile DCDC power conversion for the electric automobile and also be used for other power and power supply equipment, and the device is suitable for being used in various power and electronic fields.

The invention relates to oil spraying instant noodle production line and production technology thereof. The production line is sequentially provided with an alkaline water bucket, a quantitative water adding bucket, a vibrating screen, a double shaft flour-mixing machine, a curing feeder, a composite tablet machine, a continuous tablet machine, a three-layer vaporizer, a cutting folder, a spraying flavouring machine, an oil spraying noodle frying machine, a microwave drying machine, an air cooling machine and an output packaging device. The equipment is full automatic, production efficiency is high, thus being applicable to mass production; in the production equipment, oil spraying device is adopted to carry out oil spraying treatment on noodle block, the noodle block has the flavour of common instant noodles while the oil content thereof is only about 5%, thus the noodle block is a good low oil content healthy food.

The invention discloses a physical simulation testing device used in graff contaminant transmission under the action of temperature-hydraulic coupling. The testing device comprises a simulation container, an air pressure control device, a temperature control device, a circulating water system and an online control and monitoring system. The testing system can realize physical simulation test of transmission dynamic characteristics of contaminants in rivers, aqueducts, sewage trenches and surrounding soil and ground water, and integrate monitoring, control and data acquisition; moreover, the testing system realizes real-time display and intelligent control of water level, temperature and pressure variations in the testing system, and carries out overall process acquisition, analysis and visualized input and output on testing data through a data acquisition program. The testing system has the characteristics of reasonable structure, convenient operation, high precision of testing data, quick automatic data acquisition, short testing cycle as well as ideal modularization, openness and expansibility, and the like. In addition, the testing system provides parameter basis to disclose the transmission mechanism of contaminants in soil and ground water under complicated environmental conditions and analyze migration and transformation rule, and also provides technical support for appraising pollution control and treatment technical proposals.

Disclosed is an automatic processing technology and system for traditional Chinese medical material pre-processing. The processing technology sequentially comprises the procedures of unpacking, clean selecting, washing, medicine infiltrating, cutting, drying and box packaging or bagging. All the procedures are connected through a belt conveyor or a feeding machine or a vibration conveyor or material separating equipment. An automatic control system is used for controlling processing equipment in all links of the processing technology and automatic continuous production is realized. According to the automatic processing technology and system, an assembly line production mode is adopted, all main procedures in the current traditional Chinese medicine pre-processing process are connected organically through conveying equipment, caching conveying equipment and the material separating equipment, an automatic detecting technology and an automatic control technology are adopted to conduct real-time detection and control on the production process, the degree of automation of traditional Chinese medicine pre-processing is greatly improved, the labor intensity of workers can be lowered, the processing environment can be improved and the stability of the product quality can be maintained.

The invention discloses an efficient fluid finishing method based on the structure cavitation effect. According to the efficient fluid finishing method, the Venturi tube cavitation effect is introduced to fluid finishing, strong bubble cavitation action is formed in the effective polishing area formed between a processing tool and a workpiece to be processed by arranging a Venturi tube structure on the processing tool, and the bubble cavitation action is utilized to drive a liquid-solid abrasive flow in the formed effective polishing area to move in a high-speed turbulent vortex mode to achieve processing on the surface of the workpiece to be processed through abrasive particles. According to the efficient fluid finishing method based on the structure cavitation effect, the Venturi tube structure is utilized to achieve growth and collapse of bubbles in the microspur gap between the processing tool and the workpiece to be processed so as to achieve unordered and high-speed turbulent flow of the abrasive particles; compared with processing equipment adopting ultrasonic waves, the structure is simpler and the cost is lower; and compared with normal bubble-free-collapse processing equipment, the controllability is better, and the bubble collapse driving effect is more obvious.

The invention discloses a gas filling method of a liquefied natural gas (LNG). The method can be used for filling for various vehicles at normal pressure or lower pressure, reducing environment pollution and saving resources. In the method, gas-liquid separation is performed on a gas-state natural gas mixed in the LNG during delivery of the LNG in a storage system to a filling metering device; the purified LNG is delivered to the filling metering device; the separated gas-state natural gas is transformed to a liquid-state natural gas through liquefaction; and the liquid-state natural gas is returned to the storage system. The invention also discloses an LNG filling station built based on the filling method. The LNG filling station has the advantages of low emission loss, short pre-cooling time of initial starting, high gas filling precision and efficiency, long lossless storage time and the like, thereby promoting the promotion and the application of an LNG automobile.

The invention discloses a reinforced concrete shell fire resistance testing system. The system comprises a test furnace, a loading device and a control and data acquisition device; one or more tension-compression sensors (3.1.2) electrically connected to the strain acquisition circuit of the control and data acquisition device are distributed on bottom of a loading beam (2.3); each tension-compression sensor (3.1.2) is connected with a jack (2.4); each jack (2.4) is fixedly connected with a force transfer rod (2.5) which extends into the reinforced concrete shell (4). According to the reinforced concrete shell fire resistance testing system, the jacks are adopted for performing vertical loading so as to simulate the structural stress in the reality; the fire behaviors of the reinforced concrete shell and the influence rule of vertical uniform distribution or integrated tension-compression load effect on the fire resistance of the reinforced concrete shell can be deeply studied, and then the fire resisting design of the reinforced concrete shell can be guided according to the test data and the fire resistance of the reinforced concrete shell can be improved.

The invention relates to an automatic focusing cutting head for an optical fiber laser cutting machine and a control method. The automatic focusing cutting head comprises a cutting head body, a focusing lens drawer, a protection lens drawer, a reflection lens and a CNC; the focusing lens drawer is located above the protection lens drawer located above the cutting head body; the automatic focusing cutting head further comprises a punching detecting unit and an automatic focusing lens system, the reflection lens is located between the automatic focusing lens system and the punching detecting unit, and the punching detecting unit is located above the focusing lens drawer; and the CNC is electrically connected with the automatic focusing lens system and the punching detecting unit. According to the automatic focusing cutting head, automatic control over focus and punching time in the full cutting process from punching to cutting is achieved, manual intervene is not needed, the cutting efficiency and the automatic level are greatly improved, and the excellent good market prospect is achieved.

The invention discloses an energy self-supplying type intelligent greenhouse control system. The system comprises a data acquisition unit composed of an illuminometer, a temperature sensor, an air humidity sensor, a soil humidity sensor, an air pressure sensor and a soil fertilizer tester, a central control unit and a functional module composed of a solar cell panel, an LED (Light Emitting Diode) light supplementing system, a ground source heat pump, a water curtain, a fan, a water pump and a fertilizing device. The solar cell panel is mounted at the top of a greenhouse, is in a foldable structure and is used for providing a power supply to the central control unit and other functional modules. The invention further discloses an energy self-supplying type intelligent greenhouse control method. Solar photovoltaic power generation is used for providing electric energy to greenhouse power consumption equipment, and parameters including temperatures, humidity, light illumination, soil fertilizers and the like in the greenhouse are monitored online and intelligent adjusted, so that crops are in the optimal growth environment all the time, and the aims of high yield, high efficiency and energy conservation and environment friendliness are realized.

The invention relates to the field of optical communication, in particular to the laser temperature compensation technology, and discloses a digital open loop temperature compensation system of an optical module laser device. Temperature compensation is carried out on the laser device in an optical module through a digital open loop circuit to guarantee the stable output light power and the stable extinction ratio. Meanwhile, the operating temperature, the bias currents, the backlight currents, the operating voltage and the light collection power value of the digital open loop temperature compensation system are effectively monitored in real time, the power consumption of the optical module is greatly lowered, the risk of performance deterioration and failures of the optical module at high temperature for a long time is avoided, and stable operation of the system is guaranteed. Meanwhile, hardware of the scheme is simple, the cost is lower compared with an integrated dedicated chip scheme, and production is simple and practicable.

The invention relates to a seafood class food refrigerating embedding type monitoring system. Data can be transferred through a bus, the freight to be stored can be treated and can be performed with systematic management, for the freight stored in a stock house, the system can perform 24-hour unmanned control management, and real time monitoring can be performed to various environments of the temperature and the humidity in the stock house by utilizing sensors. All the incoming and outgoing freights are recorded in a PC and the storage unit of a micro controller. The invention designs a communication network system CAN bus network. The invention also provides a voice control function, thereby providing a most human management environment for the personal staff. The invention is efficient and reliable, the operation is convenient, the space is fully utilized, the freight storage can be performed with centralized and spatial management, the storage capability is enhanced, the occupying area is reduced, and simultaneously the warehousing dynamic state can be accurately mastered, and merchandise purchase and sales can be dealt with in time; the energy is saved, the labor is saved, the quality is high, the pollution is low, and the cost is low.

The invention discloses an intelligent packaging temperature monitoring system of a refrigerated drug material flow and a realization method thereof. The system comprises a data acquisition layer, a data transmission layer and a data application layer, wherein the data acquisition layer is used for reading RFID (Radio Frequency Identification) electronic tag information stored in an RFID electronic tag which is internally placed in or externally hung on a refrigerated drug packaging box in the refrigerated drug material flow; and the data application layer is used for carrying out data analysis, storage and management processing on the collected RFID electronic tag information, detecting and setting performances, parameters and functions of read-write equipment which supports an RFID technology, and the RFID tag, setting a system authority, monitoring a real-time temperature, alarming an over-proof temperature, providing a corresponding processing result and displaying the state of the refrigerated drug material flow, so as to realize event alarming and deeper digging of data, and adjust and control the state of the refrigerated drug material flow in a long distance. The system and the realization method thereof, disclosed by the invention, have the advantages of capability of monitoring the temperature in real time, no chain broken phenomena, alarm function and the like.

The invention discloses a low-pressure casting one-step method for manufacturing semi-solid light alloy castings, and belongs to the field of semi-solid metal processing. A device for the method comprises a crucible resistance furnace, a liquid raising tube, a low-pressure sealing platform, a light alloy crystal leading channel, a sealing barrel, a connecting base, a mold fixing platform and a metal mold. According to the low-pressure casting one-step method, molten alloy with the temperature 15-35 DEG C higher than a liquid phase line flows through the light alloy crystal leading channel with strong chilling capacity under the gas pressure action and then is brought into a casting mold under the gas pressure action, and the castings of a small ball-shaped semi-solid structure are obtained finally. According to the low-pressure casting one-step method, light alloy semi-solid slurry is prepared in the process of mold filling and pouring in a one-step mode; a device special for transporting and preparing the light alloy semi-solid slurry is omitted; and the problems of slurry oxidization in the transportation process and control difficulty of slurry temperature in the process of slurry preparation in a traditional method of manufacturing the semi-solid light alloy castings are solved.

The invention provides a fire disaster smoke alarm with a storage function. The alarm comprises a control unit, a storage unit, a thermal infrared imaging unit, a plurality of smoke sensors, a plurality of linear temperature induction sensors and a fire disaster alarming unit, wherein the control unit is used for acquiring an on-site thermal imaging image through the infrared imaging unit and analyzing a temprature point in a calibrated image; when a fire disaster point is judged, the control unit is used for starting the smoke sensors and the linear temperature induction sensors, fitting measured smoke data and temperature data to image data and analyzing and judging whether a difference value of temperature values in adjacent distances is smaller than a threshold value or not so as to judge whether a fire disaster occurs on site and preserve image data, temperature and smoke data of a fire disaster scene; and the accuracy of fire disaster alarming is improved, reasons of the fire disaster can be more directly judged and analyzed and data analysis of the fire disaster is carried out.

The invention discloses a sustained circulating type method for adsorbing and recycling oil gas , which consists of the following steps: (1) adsorbing and recycling the oil gas by means of an active carbon bed in an adsorption tower; (2) the desorption and regeneration of the adsorption tower saturated is carried out; (3) the oil gas desorbed with high concentration enters a recovery tower to be absorbed by the body of liquid meager gasoline; (4) the tail gas in the recovery tower reenters the adsorption tower to be cycled in a sustaining way, wherein, at least two adsorption tanks in the adsorption tower alternately carry out adsorption and desorption generation, thus leading the oil gas adsorption to be carried out in a sustained circulating way, at the same time, the remote monitoring can be realized by using an automatic control program. The sustained circulating type method for adsorbing and recycling oil gas of the invention is characterized by high efficiency, low energy consumption, convenient operation and safe and reliable running.

The invention discloses a mid and low-voltage distribution network intelligent monitoring system based on a 3G communication network, which comprises a remote monitoring main station, a monitoring substation and a communication system, wherein the remote monitoring main station is in the highest layer of the entire system and is in charge of graphic display, background processing, report output, remote power device control and interaction completion between an upper computer and the bottom monitoring substation; the monitoring substation is an execution layer of the entire system and is in charge of uploading various states of a field device, receiving various instructions issued by the upper computer and instructing a field intelligent terminal to complete a required command; and the communication system is used for remotely monitoring interaction of data between the monitoring main station and the monitoring substation. Through recording and analyzing the operation state of the power device in real time, the working state and the service life of the power device are reasonably judged for later reading and check. Based on the 3G communication network, the system of the invention realizes functions of telemetering, remote communication, remote control, remote vision, device health state detection, environmental detection, preliminary electricity analysis and the like.

The invention discloses a remote monitoring system of temperature of a medicine cold chain vehicle. The system comprises a temperature sensor, a GPRS module, a control module and a monitoring center platform. The temperature sensor is used for acquiring temperature information in the medicine cold chain vehicle in real time and sending the temperature information to the monitoring center platform through the GPRS module. The monitoring center platform is used for carrying out analysis and comparison on the received temperature information, judging whether the temperature of the medicine cold chain is abnormal, generating a control command if the temperature is abnormal, sending the control command to the control module through the GPRS module, and carrying out comprehensive management and searching on the monitoring data. The control module is used for controlling the temperature in the medicine cold chain vehicle according to the control command. The beneficial effects are that advanced sensing technology, advanced wireless communication technology and advanced GPRS technology are applied in a cold chain transportation process, so the temperature in a cold chain warehouse in the transportation process can be monitored in real time.

The invention discloses a device for evaluating short-period snow melting performances of a salt-applied snow-self melting road surface. The device provided by the invention comprises an ambient temperature box, an experimental unit, a loading unit and a test unit, wherein the experimental unit, the loading unit and the test unit are arranged in the ambient temperature box. The test unit comprises test pieces, ice and snow bestrewed on the test pieces, a thermal-insulating and water-resisting material arranged each adjacent two of the test pieces, elastic shock pads arranged on the tops of the thermal-insulating and water-resisting materials, porous separator plates arranged at the bottoms of the test pieces, and waterproof material wrapping the test pieces. The loading unit comprises a rolling wheel which can carry out straight reciprocating motion, and a loading device for lifting the rolling wheel, wherein the loading device is installed in a linear-type guide rail and is connected to a radially movable turn plate by a connecting rod and the radially movable turn plate is driven by a motor. The test unit comprises drainage devices, and measuring cylinders which are utilized for holding and measuring solutions and are arranged under the drainage devices, wherein a density measuring instrument and a laser receiving and transmitting device are arranged in each one of the measuring cylinders. The device provided by the invention can be utilized for simulation of a test on short-period snow melting effects of a salt-applied snow-self melting road surface under the action of vehicle rolling, and is mainly utilized for evaluation of short-period snow melting performances of a salt-applied snow-self melting road surface.

The invention relates to a lithium battery pack management system. The lithium battery pack management system comprises N sets of lithium batteries, N slave control panel cards, a main control board and a host computer. The system can monitor the voltage, the charging and discharging currents, the operating temperature and the environmental temperature of a single lithium battery in real time, equalization control can be performed on the single battery with a large state difference according to the detected voltage of the lithium battery and an equalization algorithm brought forward, and the consistency of the battery is improved. According to collected parameters, the main control board can give an SOC estimated value, provides a charging and discharging management strategy, and extends the service lifetime of the battery. The host computer displays the collected state information, control information, abnormality information and alarm information of a lithium battery pack and provides friendly man-computer interaction. Meanwhile, a similar modularization design scheme is brought forward for hardware development of the system, and the maintenance cost can be effectively reduced.

The invention relates to a treatment system for high-salt high-concentration organic wastewater and a method. The system comprises an evaporation concentration unit, an electrocatalytic oxidation unitand a burning unit, wherein the evaporation concentration unit comprises an evaporation concentrator, a separator, a preheater, a condenser, a vacuum pump and a conveying pump; the electrocatalytic oxidation unit comprises a direct current power supply, a circulating cylinder, an electrocatalytic oxidation tank and a drug dosing system; the burning unit comprises a low-temperature burning chamber, a high-temperature burning chamber, a waste heat recovering device and a tail gas purifying device. The invention also provides a treatment method for the high-salt high-concentration organic wastewater. According to the invention, the characteristics of evaporation concentration method, electrocatalytic oxidation method and burning method are combined, the treatment efficiency for the high-salthigh-concentration organic wastewater is high, the adaptability to the concentration change of the wastewater is high, the treatment cost is low and the requirement of wastewater emission after reaching standard is met.

The invention provides a testing device for testing the fire resistance of a column support full-scale reinforced concrete two-way slab and an implementation method thereof. The testing device mainly comprises a furnace body, a support column, a counterforce loading device and a data acquisition system, wherein the furnace body is arranged under a reinforced concrete two-way slab; the counterforce loading device is arranged above the reinforced concrete two-way slab; the reinforced concrete two-way slab is arranged on the support column; and the data acquisition system is arranged on the reinforced concrete two-way slab and the furnace body. The testing device can carry out better fire test of the column support full-scale reinforced concrete two-way slab to simulate actual fire to carry out fire-tolerant test, test the fireproof limit of the column support full-scale reinforced concrete two-way slab and carry out research on the working mechanism of the slab in fire; therefore, the testing device provides a basis for structural design based on fire safety.

The invention relates to the field of rice storage containers, and discloses a multifunctional constant-temperature intelligent rice storage bin system. The system comprises a rice bin terminal and a monitoring terminal. The rice bin terminal comprises a rice bin, a quantitative rice taking bin and a rice receiving tank which are sequentially arranged from top to bottom. The housing of the rice bin is internally provided with a thermal insulation layer. The rice bin terminal further comprises a rice volume monitoring module, a cooling device, a heating device, a first wireless transmission module, a first control module and a touch control panel, wherein the rice volume monitoring module is fixed to the bottom surface of the rice bin, and the cooling device and the heating device are fixed inside the rice bin. The rice volume monitoring module, the cooling device, the heating device, the first wireless transmission module and the touch control panel are electrically connected to the first control module. According to the invention, the internal temperature of the rice bin is monitored and controlled, so that the internal temperature of the rice bin can keep constant, the activity and quality of the rice can be guaranteed, the storage for the rice is facilitated, and people can remotely buy the rice on-line.

The invention discloses an intelligent electric cooker system capable of automatically cooking. The system comprises an electric cooker terminal and a monitoring terminal. The electric cooker terminal comprises a rice bin, an accommodation box and an electric cooker, and the accommodation box is arranged below the rice bin. The accommodation box is the rectangular box provided with an opening at the upper end, and is divided into a first tank and a second tank through a separator plate. The electric cooker is disposed inside the first tank. The rice bin is cuboid-shaped. A rice feeding mechanism communicated with the electric cooker is arranged at the portion, corresponding to the electric cooker, of the bottom surface of the rice bin. The housing of the rice bin is internally provided with a thermal insulation layer. The rice bin also comprises a temperature sensor, a cooling device and a heating device. The electric cooker terminal also comprises a first control module and a touch control panel, and the touch control panel is arranged on the outer side wall of the first tank. According to the invention, the electric cooker can be remotely controlled to automatically cook, the temperature of the interior of the rice bin arranged above the electric cooker can keep constant, the storage for rice is facilitated, and the intelligent degree of the electric cooker is improved.

The invention relates to a power cable joint temperature measuring device which comprises the components of a temperature measuring sensor module, a data receiving and processing module, a wireless communication module, a display module, a storage module, an alarm module and a power module. The temperature measuring sensor is arranged on the grounded part of the outer conductive layer of the power cable joint. Data which are measured by the temperature measuring sensor are transmitted to the data receiving and processing module through the wireless communication module for being processed. The storage module is used for storing failure information. The display module is a projection type capacitive touch screen and can display a cable joint temperature result which is obtained through monitoring. Furthermore the display module can set a temperature monitoring mode through a screen menu and inquires a historical record. The power module supplies electric power for the whole system. When overhigh temperature of the cable joint occurs, a monitoring result is displayed on the screen, and simultaneously the fault information is transmitted to the alarm module. Related personnel can understand the fault condition timely and accurately through the screen and the alarm information, thereby facilitating maintenance and emergency repair of the cable.

The invention discloses a method for diagnosing faults of a bidirectional DC-DC converter applied to a new energy automobile power system. The method comprises recoverable software fault diagnosis, hardware recoverable fault diagnosis, software unrecoverable fault diagnosis and hardware unrecoverable fault diagnosis, wherein abnormal conditions are diagnosed through the recoverable software fault diagnosis and the hardware recoverable fault diagnosis, the faults are reported, and after the abnormal conditions disappear, the faults are removed; abnormal conditions are diagnosed through the software unrecoverable fault diagnosis and the hardware unrecoverable fault diagnosis, the faults are reported, and after the abnormal conditions disappear, the faults are not removed immediately. The bidirectional DC-DC converter monitors the states of the current, the voltage, the temperature, the CAN information and the IGBT power tube of the bidirectional DC-DC converter in real time, the corresponding faults are reported once the abnormal conditions occur, the working reliability of the bidirectional DC-DC converter can be guaranteed, and therefore the reliability of the power system is improved.

The invention relates to an intelligent copper-aluminum composite conductor bus groove, which consists of a box body and buses, wherein the box body consists of two aluminum-magnesium alloy side plates and upper and lower aluminum-magnesium alloy cover plates; the buses are arranged in the box body and uniformly distributed between upper and lower insulating brackets at intervals; each bus is a copper-aluminum composite bus of which an outer layer is copper and an inner core is aluminum; the area of the copper section of the outer layer is 20 percent of that of the whole section; and an insulating layer is coated outside the copper-aluminum composite bus. The intelligent copper-aluminum composite conductor bus groove is simple in structure, low in impedance, low in voltage drop, low in energy consumption, low in cost and high in using reliability; a temperature monitoring system and an electric leakage monitoring system which are arranged on the bus groove can automatically detect the temperature of the bus groove during operation and the leakage current of a power supply line, perform out-of-limit alarming and guarantee the safety of a power supply system; and the bus groove is intelligent, low-cost and energy-saving and has a wide application prospect.

The invention discloses an automatic control method of mold temperature in a rotational molding process, which is characterized in that an infrared temperature sensor is used for monitoring the surface temperature of a rotational molding mold, an electric actuation mechanism which is installed on a gas pipeline is used for controlling the gas flow, so that the rotational molding temperature can be automatically controlled. Through a servo motor which is installed on a rotational molding machine, a support which is provided with the infrared temperature sensor is driven by a lead screw to move back and forth, the temperature of the rotational molding mold in the axial direction can be measured, a temperature signal is inputted to an industrial control computer after being processed, a temperature chromaticity of the rotational molding mold body and a two-dimensional temperature distribution histogram are generated, a temperature difference signal is converted to a corresponding flow signal through a signal processing module according to the difference between a temperature monitoring value and a given temperature value, the electrical actuation mechanism on the corresponding pipeline is controlled to adjust the openness of a valve so as to control the gas flow, so that the closed-loop control of the temperature in the rotational molding process can be realized. Due to the adoption of the automatic control method, the labor intensity is greatly alleviated, the precision is improved, and the automatic control on the temperature in the rotational molding process can be realized according to the rotational molding requirement.