180results about How to "Meet maintenance needs" patented technology

This invention relates to an outdoor high voltage double supply vacuum breaker including a three-phase outdoor high voltage vacuum breaker, voltage mutual inductors, current mutual-inductors, isolation switches and an automatic controller, in which, the voltage mutual-inductor is set in a water-proof base and the three-phase outdoor high voltage vacuum breaker is set on the base, current mutual-inductors are installed on both sides of the outlets under the breaker and connected with the isolation switch, mechanical interlockers for the breaker and the isolation switch are mounted at both sides of the breaker, the shafts of the two sides of the isolation switches are connected by a linkage rod, a release device is set on the linkage rod, an overhaul operation handle is set on a shaft end of an isolation switch at one side, and an electromotive clutch is set on the other side with a manual operation handle is set on its end, the clutch device is meshed with the drive motor.

The invention relates to a continuous paint dyeing padding machine with an infrared pre-drying device. The padding machine comprises a fabric inlet pre-processing device, a padding system, a drying system and a fabric outlet processing device which are sequentially arranged. The drying system comprises an infrared pre-drying device and a steam drying device. The infrared pre-drying device comprises two to five pre-dying mechanisms; each pre-drying mechanism comprises a pair of frame parts; and each pair of frame parts is provided with an infrared emitter. The continuous paint dyeing padding machine is characterized in that the front part of each row of infrared emitters is provided with a shielding device; when the padding machine is in use, the shielding device is arranged at a keep-clear position; and when the padding machine is in a shutdown state, the shielding device is arranged at a shielding position. Furthermore, each pair of frame parts can be arranged in a close state or an open state corresponding to the rolling of a first frame. Therefore, the padding machine has protection effect when in use, better dyeing effect and convenient maintenance.

The invention provides an e-repair intelligent selection vehicle precision service platform which comprises a client, a server and a database. The database and the server are built together through a public cloud technology. The client is connected with and accesses the server through an interface arranged on the server. The client comprises a merchant and a vehicle owner. The platform provides accurate, fast, efficient, all-round and one-stop after-sales service for a large number of vehicle owners. The services comprise vehicle washing, maintenance, repair, beauty, rescue and many other aspects. The vehicle owner only needs to open the mobile phone application of e-repair intelligent selection. The platform can recommend the best service for the vehicle owner according to vehicle maintenance habits and records of the vehicle owner to meet the vehicle maintenance need of the vehicle owner. After the vehicle owner books a service, the vehicle owner can carry out payment through Wechat payment and alipay, and accepts the service in the near merchant under the guidance of the software. O2O closed-loop is carried out after the whole vehicle is completed.

The invention discloses a repair equipment for electric equipment maintenance, which comprises a repair box, a partition board is fixed inside the middle part of the repair box, a dovetail groove is arranged in the middle part of the partition board, a trapezoidal block is connected inside the dovetail groove, and a sliding block is connected to the upper end of the trapezoidal block. block, the middle part of the slider is connected with a screw rod, the left end of the screw rod is connected with a fixed block, the middle part of the right end of the screw rod is provided with a guide block, the upper end of the fixed block is connected with the first connecting rod on the right side, and the upper end of the first connecting rod is connected with a pulley. The left side of the upper end is connected with a second connecting rod, the upper end of the second connecting rod is connected with a hinge block, the upper end of the hinge block is connected with a limit plate, the upper end of the limit plate is connected with a repair platform, and the repair box at the lower end of the partition is equipped with a toolbox, tools A drawer is arranged inside the box, a storage battery pack is arranged at the bottom inside the emergency repair box, and a support plate is connected to the outside of the upper end of the emergency repair box. The invention realizes the carrying of a large number of emergency repair tools, and also realizes the lifting effect on the maintenance platform, which facilitates our maintenance and emergency repair needs of electric equipment.

The invention discloses a high-precision water quality online automatic monitor, which comprises a quantifying system, a sampling system, a reaction system and a control system; the quantifying systemcomprises a measuring glass tube, and the upper part of the measuring glass tube is provided with an ultrasound wave sensor; the sampling system comprises a peristaltic pump and an eight-way valve which are connected through a pipeline; the reaction system comprises a digestion device and a light emitting and receiving device, the digestion device comprises a digestion pipe and a PT100 sensor; both ends of the digestion pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with the digestion pipe; the light emitting and receiving device comprises a lightemitter and a light receiver which are arranged at both sides of the digestion pipe; the control system comprises a single chip, a memory and a display module. Compared with the prior art, the fluid in the measuring glass pipe and the rest fluid content in the reagent bottle can be exactly measured through the ultrasound wave sensor and a distributed film pressure sensor; the high-precision waterquality online automatic monitor has the advantages of being strong in multifunctional expanding property, high in sensitivity and low in cost.

The invention discloses a reinforced concrete structure curing device in a low-temperature environment. The reinforced concrete structure curing device in the low-temperature environment is characterized by comprising a variable frequency power supply and a wide tape, wherein a pin-type end connector and a slot-type end connector are arranged on the wide tape; one end of the variable frequency power supply is connected with the slot-type end connector of the wide tape through a lead wire with a pin-type plug; and the other end of the variable frequency power supply is connected with the pin-type end connector of the wide tape through a slot-type plug. The device is simple in structure, easy to construct, and high in real-time controllability; the defects of conventional curing measures of a reinforced concrete structure are overcome; required heating depth can be obtained by controlling current frequency, so that the requirement on curing a specific reinforced concrete structure can be met; and therefore, the device has enormous economic, environmental and social benefits. In addition, the hardening of concrete can be accelerated by heating according to engineering requirements, so that the aim of reasonably shortening curing time is fulfilled. Therefore, the device is suitable for curing the reinforced concrete structure, and is particularly applicable for the low-temperature environment.

The invention discloses a prefabricated component production system, and relates to the technical field of prefabricated component production. The system comprises a main production line, a pluralityof steel molding stations and a main feeding device. A plurality of backup stations are arranged near the main production line, and a first molding station lifting and traversing device is arranged between the main production line and the backup stations. The first molding station lifting and traversing device comprises a first ferrying track, a first molding station ferrying vehicle is movably arranged on the first ferrying track. An adjusting track is arranged on a ground near the main production line, a movable platform is movably arranged on the adjusting track, and the first molding station lifting and traversing device is integrally arranged on the movable platform. A maintenance production line and an auxiliary feeding device are arranged in parallel on one side of the main production line, and a second molding station lifting and traversing device is arranged between the main production line and the maintenance production line. According to the prefabricated component production system, the production cost can be reduced, and the production efficiency of the prefabricated component can be greatly improved.

The invention relates to an off-line repair device for a coke oven door. The device comprises a gantry with a pulley, and an oven door undercarriage is hung below the gantry. The device is characterized in that: a vertical rail is arranged on the gantry, and a transverse rail is arranged below the gantry; the oven door undercarriage comprises a head framework, an oven door frame and a tail framework; the oven door frame is connected with the head framework and the tail framework respectively; the head framework is provided with a guide wheel; the tail framework is provided with wheels; and the tail framework is also provided with a hydraulic lifting turnover mechanism. Compared with the prior art, the device has the advantages that: 1) a set of onboard hydraulic system realizes two moving functions of lifting and turnover of the oven door undercarriage so as to meet the repair and maintenance requirements of various coke oven doors of different types; and 2) the oven door undercarriage moves along the rails to realize vertical and horizontal position conversion, the device has more compact structure and more stable, safer and more efficient operation, and the hydraulic lifting turnover mechanism has more coherent operating action and is easier for operation and maintenance.

The invention discloses a clamping and conveying device, which belongs to the technical field of transmission line equipment. The device comprises a magnifying mechanism, sliders, a spring, grippers and pin shafts, wherein the magnifying mechanism is composed of a plurality of magnifying units which are connected in series, and each magnifying unit is composed of connecting rods intersecting with each other, a rotating shaft and a nut. The spring is connected with the two sliders. When the sliders are pressed by a hand, the spring is compressed, the magnifying mechanism moves telescopically, and the grippers are driven to move to make the displacement of the mechanism amplify and the grippers clamp. The clamping and conveying device disclosed by the invention can be retracted freely, is small in size, occupies less space, is easy to replace, and can be widely used for clamping cables or high voltage switches and maintaining overhead cables. The clamping and conveying device can be live operated, and no electric shock accident occurs, thus realizing high safety.

The invention relates to highway maintenance and service equipment, in particular to a pull-type asphalt highway maintenance vehicle which has complete functions, saves energy, is environmentally friendly, and has low cost. The pull-type asphalt highway maintenance vehicle comprises a chassis (1), an oil storage tank (2), a mixer (3), a heating device arranged between the chassis (1) and the oil storage tank (2), and an exhaust gas recovery and distribution device, wherein the oil storage tank (2) and the mixer (3) are arranged on the chassis (1); the heating device comprises a heat collection box (4) and a heat pipe (5); the heat pipe (5) is arranged in the heat collection box (4); one end of the heat pipe (5) extends into the oil storage tank (2); the exhaust gas recovery and distribution device comprises a three-way valve (6) connected with an exhaust pipe of an internal combustion engine (23), and a gas pipeline (7) arranged by the three-way valve (6); the gas pipeline (7) is connected with a cleaning nozzle (9), the oil storage tank (2) and the heat collection box (4) respectively by a cleaning valve (8), a pressurization valve (10) and a heating valve (11); and an oil pipe (12) is arranged above the oil storage tank (2).

The invention discloses a tactical air navigation system external field beacon simulator, which consists of a frequency synthesizer module, a microwave modulation module and a display control and video processing module, wherein the frequency synthesizer module and the microwave modulation module finish generating and receiving five paths of radio frequency signals on the basis of microwave signalprocessing and a microstrip technology; the display control and video processing module takes a large-scale integrated circuit FPGA (Field Programmable Gate Array) and a high-speed MCU (Single Chip Microcomputer) as the center; and a bell shaped pulse and a PIN (Personal Identification Number) modulation technology are adopted to effectively improve frequency spectrum performance, and the full-frequency-band and full-channel coverage function of the tactical air navigation system external field beacon simulator is realized. A multi-channel parallel technology and the microwave modulation module with a microwave signal processing function are adopted to generate the simulation signals of a plurality of beacon stations, and a one-machine multiple-station function can be realized.

The invention relates to a mechanical arm device for power transformer maintenance. The device comprises a telescopic rod assembly, a second joint assembly, a first joint assembly, an extending arm, an endoscope and a detecting and maintenance tool, wherein the telescopic rod assembly, the second joint assembly, the first joint assembly, and the extending arm are sequentially connected from the rear end to the front end, and the endoscope and the detecting and maintenance tool sequentially penetrate through the telescopic rod assembly, the second joint assembly, the first joint assembly, the extending arm from the rear end to the front end. An illumination light-emitting diode (LED) is arranged at the front end of the mechanical arm, and a control switch used for controlling the first joint assembly and the second joint assembly is arranged at the rear end of the mechanical arm. Compared with the prior art, the mechanical arm device for power transformer maintenance is simple, light and handy in structure, good in expandability, double in degree of freedom, flexible to rotate, and applicable to manual operation expanding tools in large power equipment (transformers) maintenance works.

The invention discloses an energy-saving motor withefficient heat dissipation, and belongs to the technical field of energy-saving motors. The energy-saving motor comprises a motor assembly, the outer side wall of the motor assembly is sleeved with a cooling mechanism, the outer side wall of the cooling mechanism is sleeved with a motor shell, one side of the motor shell is movably connected with a cover plate through a limiting mechanism, a shaft cooling mechanism is embedded in one side of an inner cavity of the cover plate, and the shaft cooling mechanism is sleeved outside the motor assembly. According to the invention, a cooling fan rotates to drive air to circulate in the air cooling row, heat is discharged through the rear side net plate, water liquid in the cooling base can introduce the heat into the shaft cooling base through a communicating pipe at the same time, and therefore heat generated by the motor assembly and a main shaft can be rapidly dissipated through the circulating water liquid; and the interior of the motor assembly is sealed through the sealing seat, so that the situation that dust is accumulated in the motor assembly to affect the heat dissipation efficiency during air circulation is avoided, and the requirement for internal dust isolation can be met while the efficient heat dissipation capacity can be improved.

The invention discloses a method for drying a transformer, comprising: the high voltage side of the transformer is in short circuit, and the low voltage side is applied with lower voltage, so that the current of a winding is 120-125% of rated current, and the rated current is used until the temperature of the high voltage winding reaches 65 DEG C; when the temperature of the high voltage winding reaches 75 DEG C, 85% of rated current is used for heating; when the temperature of the high voltage winding is lower than or equal to 90 DEG C, the temperature of oil surface is less than or equal to 85 DEG C; and the operation is carried out until the insulating property of the winding is qualified. The method is used for solving the problem of resorting over-low insulation of the transformer by copper loss drying, and changes the phenomenon that a drying stove is used for heating the winding of the transformer and improving the insulation degree of the transformer in the prior art; furthermore, the process is simple, and the operation is easy no matter the winding of the transformer is heated by DC or AC.

The invention discloses a medium temperature pitch mixture batching plant and a method for preparing mixture by utilizing the batching plant. The set of equipment comprises a raw material warehouse part, a batching plant part, a finished product heating part and a product storing part which are connected through conveying belts, pipelines, gates and the like, wherein the raw material warehouse part mainly comprises a plurality of collecting bins for storing materials with different particle sizes, and the collecting bins are connected with a receiving hopper through one or more material conveying belts; the batching plant part mainly comprises the receiving hopper, a batching bin and a half-finished product transition bin; the finished product heating part mainly comprises a finished product heating bin, a dust removal system, a heater, a wind power control system and a finished product transport vehicle; and the product storing part mainly comprises a finished product transport vehicle, a finished product transport vehicle track and a plurality of finished product storing bins. The medium temperature pitch mixture prepared by the batching plant disclosed by the invention has a wider construction temperature range and can be constructed under the climatic condition of not lower than -5 DEG C.

The invention discloses a medium-temperature modified crack pouring adhesive and a preparation method thereof. A formula of the medium-temperature modified crack pouring adhesive comprises 80-90 parts of matrix asphalt, 3-7 parts of crack pouring adhesive modifier and 3-17 parts of rubber powder, wherein the matrix asphalt is a medium-temperature modified asphalt with a high solid content, and is composed of the following components in parts by weight: 75-82 parts of matrix petroleum asphalt, 3-7 parts of medium-temperature modifier and 11-22 parts of water. A medium-temperature modified crack pouring adhesive product prepared with the method has a curing effect significantly higher than that of a conventional crack pouring adhesive, can be cured in 1-2 hours, can significantly shorten the time duration of road closure caused by construction, and is conducive to easing the traffic pressure, thereby meeting needs of people. The medium-temperature modified crack pouring adhesive prepared with the method has a wider range of construction temperature and can be constructed under a climatic condition of 0-10 DEG C. However, a modified asphalt in the prior art cannot be constructed at a construction temperature below 10 DEG C, by comparison, the number of days for construction can be extended by 60 days, thereby meeting needs of road maintenance.

The invention provides a nursing sow feed which comprises following ingredients in parts by weight: 40-70 parts of corn, 10-30 parts of soybean meal, 0-15 parts of flour, 1-5 parts of fish meal, 1-3 parts of fish oil, 0.4-1.0 part of calcium hydrophosphate, 0.1-0.4 parts of lysine hydrochloride, 0.1-1 part of arginine, 0.1-0.5 parts of valine, 0.08-0.2 parts of choline chloride, 0.03-0.10 parts ofgrowth promotion element, 0.1-0.4 parts of table salt and 4 parts of premix. The invention provides a preparation method of the nursing sow feed at the same time. The nursing sow feed is balanced innutrition, high in palatability and easy to digest, and can improve immunity of a sow; the feed intake of the sow can be increased significantly when the feed is eaten; the weight of weaning litter ofsuckling piglets is increased; a death rate of the piglets is reduced; and the quantity of the weaned piglets is increased.

The invention discloses vehicle body welding circulating cooling water treatment equipment and process, which belong to the technical field of vehicle body welding machining. The vehicle body welding circulating cooling water treatment equipment comprises a treatment tank, a discharging mechanism is arranged on one side of the treatment tank, a heat regeneration mechanism is arranged on the other side of the treatment tank, a liquid collecting mechanism is movably connected to the top of the treatment tank, and a chemical adding mechanism is arranged on one side of an inner cavity of the treatment tank; and the top of the chemical adding mechanism is in transmission connection with a screening mechanism, and the screening mechanism is slidably connected into the treatment tank. In the device, a half gear rotates to respectively drive a first rack and a second rack on two sides to move, a liquid spraying hose performs reciprocating displacement to spray liquid medicine, and a limiting seat moves to drive a second sieve plate and an elastic sleeve to perform reciprocating displacement, so that the liquid medicine mixing efficiency is improved, and then the material screening efficiency can be improved; and then large particles in the cooling liquid can be fully screened through multi-stage filtration, a backflow communicating pipeline is prevented from being blocked, the treatment effect on the cooling liquid is guaranteed, the overall durable life of the cooling liquid is prolonged, and the use requirement is met.

The invention relates to a high temperature constant temperature and constant humidity unit and aims at solving the problem that an existing dehumidification system can not meet the need of keeping a constant temperature and constant humidity environment at high temperature. The high temperature constant temperature and constant humidity unit comprises a compressor, a dehumidification condenser, a capillary tube and a dehumidification evaporator which are connected in series in an end-to-end way and form circulation and also comprises an indoor machine which is arranged indoors, wherein a return air inlet and an air supply inlet which are communicated with indoor space are arranged at the two ends of the indoor machine respectively, and the dehumidification evaporator, an air supply machine, the dehumidification condenser, an electric heating module and a humidifying module are sequentially arranged between the return air inlet and the air supply inlet. An outdoor machine is also arranged outdoors, the compressor is arranged in the outdoor machine, a heat dissipation condenser and a heat dissipation fan arranged corresponding to the heat dissipation condenser are also arranged in the outdoor machine, and the heat dissipation condenser is connected between the dehumidification condenser and the compressor in series. The high temperature constant temperature and constant humidity unit can meet the need of keeping the constant temperature and constant humidity environment at high temperature, and adjustment of temperature and humidity can be realized by virtue of coordination of all the modules when at least one of the temperature and humidity exceeds a set value.

The invention discloses a temporary fixing device and fixing method adopted in the lightning rod treatment process. The device comprises a main supporting device. A first telescopic mechanism is arranged at the top end of the main supporting device, and the bottom end of the first telescopic mechanism is arranged in the main supporting device. Auxiliary supporting devices are arranged in the main supporting device and the first telescopic mechanism and penetrate the corresponding main supporting device or first telescopic mechanism. The first telescopic mechanism is connected with a second telescopic mechanism, and the second telescopic mechanism is connected with a first fixing mechanism. A third telescopic mechanism and a fourth telescopic mechanism are arranged on the outer wall of the main supporting device. The third telescopic mechanism is arranged above the fourth telescopic mechanism and connected with a third fixing mechanism. The end, far away from the main supporting device, of the fourth telescopic mechanism is connected with a fourth fixing mechanism. According to the device and method, the structure can be adjusted, and the need in the lightning rod maintenance process is met; and meanwhile higher safety is achieved, repeated utilization can be achieved, the use cost is low, and structural residues cannot be caused to a lightning rod.

The invention discloses a seawater tower for a self-elevating drilling platform and the self-elevating drilling platform. The platform comprises a pile leg and a pile shoe. The seawater tower comprises a sliding rail, a lifting pipe, an immersible pump and an auxiliary seawater supply device. The sliding rail is arranged on a chord pipe of the pile leg. A plugging device is arranged at the bottom of the sliding rail, and the sliding rail is provided with a pin hole. The auxiliary seawater supply device is arranged on the top of the lifting pipe. The immersible pump is provided with a protection pipe. The lifting pipe is provided with a sliding locking device, and the immersible pump is provided with a sliding locking device. The sliding locking devices are used for being matched with the sliding rail to achieve sliding or locking of the immersible pump and the lifting pipe. The plugging device is used for protecting the pile shoe against damage when the immersible pump disengages. The protection pipe is used for preventing the immersible pump from being damaged by the external environment. The immersible pump, the lifting pipe and the auxiliary seawater supply device are used for jointly achieving seawater supply of the platform. The platform further comprises the seawater tower. The capability of resisting the severe weather through the seawater tower is improved, seawater supply continuity of the platform in the severe weather is ensured, and accordingly normal drilling work of the platform is not affected.

The invention provides a system and a method for intelligent repair schedule optimization compilation. The system comprises a model algorithm filtering module, an evaluation rating module, a model algorithm library module and a goal constraint library module. The model algorithm filtering module obtains rating information and algorithms and models corresponding to the rating information from the model algorithm library module, filters the rating information and chooses the algorithm which is highest in rating to carry out optimization compilation operation. A user rates the optimization compilation operation result through the evaluation rating module, and stores the rating result in the model algorithm library module or the goal constraint library module. An algorithm which can meet requirements of the specific user can be filtered from a store where a large number of algorithms are accumulated according to the method adjustment of the user and history rating. After use for a long time, algorithm choices in difference and parameter preset in difference, pointing to different conditions, can be also accumulated, and the intelligent repair optimization compilation system can also be more adaptive to various environments and requirements of dynamic change.

The invention relates to a crossroad underground walkway and comprehensive pipe rack co-construction structure and a construction method thereof. The co-construction structure comprises three layers of main body section structures; the upper layer of main body section structure is of an underground walkway single-cabin structure, and communicates with four access ports through four sections of upper-layer gradient change connecting sections; the middle layer of main body section structure is of a double-cabin structure of a comprehensive cabin and a gas cabin; the bottom layer of main body section structure is of a double-cabin structure of a comprehensive cabin and an electric cabin; the upper layer of main body section structure and the middle layer of main body section structure, and the middle-layer main body section structure and the bottom layer of main body section structure communicate through ladder channels; the two ends of the bottom layer of main body section structure communicate with bottom-layer gradient change connecting sections; and after the bottom-layer gradient change connecting sections are gradually changed, the elevation is consistent with the elevation of the middle layer of main body section structure. Under the precondition of guaranteeing relative independent arrangement of all municipal pipelines in a comprehensive pipe rack, the co-construction structure meets the pedestrian passing and comprehensive pipe rack maintenance demands, and fully uses the underground space structure to reduce the construction cost.

The invention discloses a moisture preservation and maintenance device and method for concreate engineering. The device comprises a climbing mold composed of a climbing rack and a formwork rack, the climbing rack comprises a wall attachment part pre-embedded in a vertical concrete structure and guide rails symmetrically fixed to the two ends of the wall attachment part, and the guide rails are fixedly connected with a hanging rack through movable supporting legs; an upper climbing box and a lower climbing box are installed on the hanging rack separately, and a supporting rack is fixedly installed at the top of the hanging rack. The moisture preservation and maintenance device can ascend along with construction of the climbing mold, the maintenance speed of concrete is effectively increased, the maintenance quality of concreate is effectively improved, and the requirements for concrete maintenance are met in time; a mode of covering the surface of the vertical structure with moisture preservation cotton is adopted for moisture preservation and maintenance, the moisture preservation cotton can be watered, construction water can be saved, all-over water accumulation on construction sites is avoided, the heat preservation function is achieved, and energy saving, water saving, environmental protection and safe civilized construction are truly achieved.

The invention provides an ecological protection red line management system, and relates to the technical field of ecological management. The system comprises a system data arrangement and basic analysis module, a data acquisition processing and library building module, a data publishing module, a geographic information system development and construction module and an ecological protection red line protection system. And the system data arrangement and basic analysis module is used for analyzing and arranging spatial distribution geographic features and basic data information of the ecological protection red lines in the management area. By designing the comprehensive management system, the management requirement of the environmental protection department for the ecological protection red line, the maintenance requirement of the management and protection personnel for the ecological protection red line management system and the query and consultation requirements of related personnel for the ecological protection red line are met, and network sharing and data maintenance of ecological protection red line data are realized; and a basic platform is provided for servitization and business of ecological protection, environment management, business query, information release and the like of the ecological protection red line.

The invention discloses a fan coil unit, relates to the field of central air conditioners, and provides the fan coil unit which can meet the air sending and returning and maintenance requirements of the fan coil unit by only arranging one opening and one cover plate on a ceiling. The fan coil unit comprises a unit body, a heat transfer device, a draught fan, an electrical device, a condensate water lifting and discharging device and a refrigerant pipeline, wherein an air outlet and an air inlet are formed in the unit body; the heat transfer device is positioned inside the unit body and corresponds to the air outlet; the draught fan is positioned inside the unit body and is positioned at the back of the heat transfer device; the air outlet and the air inlet are formed in the front panel of the unit body; the air inlet is positioned in one side of the air outlet; the electrical device, the condensate water lifting and discharging device and the refrigerant pipeline are positioned at the outer part of the unit body and are positioned on the other side of the air inlet; an air inlet duct is formed inside the unit body; and the air inlet duct stretches from the air inlet to the draught fan. When the fan coil unit is mounted in the ceiling, the ceiling decoration is beautiful.

The invention discloses a steam curing system with the adjustable temperature and humidity. The steam curing system with the adjustable temperature and humidity comprises a closed curing shed, a gas supply device, a water supply device, a temperature and humidity sensor and an intelligent curing instrument. The steam curing system with the adjustable temperature and humidity can effectively meet the curing requirement when the environment temperature is low or the environment air is dry, is high in applicability, can effectively reduce the energy consumption during curing, and reduces the construction cost.

The invention discloses a socket communication based audio / video accelerator card data processing method and a device. The method comprises the steps: acquiring IP address information corresponding to an audio / video accelerator card to be detected; starting up a socket server side according to the IP address information, wherein the socket server side is used for monitoring service request information of a socket client side; sending the service request information to the socket server side; acquiring information on the audio / video accelerator card according to the service request information by the socket server side, and sending the information on the audio / video accelerator card to the socket client side; carrying out detecting and analyzing operation on the acquired information on the audio / video accelerator card at the socket client side by a detection tool. According to the technical scheme of the invention, a plurality of IP (Internet Protocol) audio / video accelerator cards can be subjected to parallel processing, a lot of accelerator card related information is acquired according to user requests, the information is subjected to detection and analysis, the operation is fully automated and has no need of manual operation, and the requirements on maintenance of the audio / video accelerator cards during the monitoring and managing of massive data stream contents are met.

The invention discloses a pantograph carbon contact strip wear recognition method based on an improved Canny operator. The method comprises acquiring a pantograph head image of a pantograph carbon contact strip during train operation; performing image normalization image smoothing, and morphological processing on the pantograph head image; performing edge detection, line detection, distortion correction, image cropping, and wear curve fitting on the pantograph head image to recognize the edge wear of the pantograph carbon contact strip; and by using the highest point of the wear curve of the pantograph carbon contact strip as a reference, estimating the actual wear depth of the pantograph carbon contact strip wear curve and determining whether the wear depth exceeds a predetermined threshold. The method can not only meet the maintenance requirements of an actual operating train, but also can be used for a pantograph-contact-system automatic monitoring system, detects the pantograph carbon contact strip wear in real time, improves the automation level of the detection, enhances the safety of the train operation, and has a has great application prospect in the future.