66results about How to "Control status" patented technology

The invention relates to a method for performing an aldol condensation reaction in a micro-channel reactor. The aldol condensation reaction is performed in the micro-channel reactor under the action of a catalyst at 60 to 170 DEG C and 0 to 5 MPa in the situation that alpha-H aldehyde ketone and other aldoketones in molecules are in the molar ratio of 0.8-1.2:1. According to the aldol condensationreaction involved in a process provided by the invention, the reaction time is shortened by thousands of times; the raw material conversion rate and the product selectivity are improved by 15 percentat least. The process provided by the invention can realize instantaneous uniform mixing; the equivalence ratio of materials in a reaction process is reduced; the using amount of a catalyst in a reaction process is reduced; Cannizzaro side reactions and polymerization reactions are reduced. The process provided by the invention also reduces the use of some additional solvents so as to reduce theproduction cost; the process provided by the invention also improves the safety of a reaction process, so that the types of reactions are safer and more environment-friendly; meanwhile, the micro-channel reactor used by the process provided by the invention is small in occupied area and high in capacity, so that the production efficiency and the production capacity are greatly improved.

The invention relates to a long and narrow deformation joint of a double shear wall and a construction method. The long and narrow deformation joint structurally and mainly comprises an inner side formwork, an outer side formwork, a back ridge, a frame support, an oval steel pipe, a split screw and a shelving platform plate. The construction method mainly comprises the construction steps of formwork manufacturing and splicing, shelving platform mounting, inner side formwork and frame support mounting, steel bar binding mounting, outer side formwork mounting, oval steel pipe mounting, wall concrete pouring, oval steel pipe dismounting, formwork and reinforcing component dismounting, and wall cleaning and maintaining. According to the provided easy-dismounting type inner formwork of the longand narrow deformation joint of the double shear wall and the construction method, the technical problem that in formwork construction of the long and narrow deformation joint of the double shear wall, formwork dismounting is difficult can be solved, the structural characteristics of the oval steel pipe are utilized, a specially-made oval steel pipe rotary jacking formwork dismounting device is adopted, a multifunctional hoisting device for cleaning and maintaining the inner wall face of the deformation joint is adopted, the formworks and operation tools are optimized, construction operationis convenient, fast and efficient, and remarkable technical and economic benefits are achieved.

A UPS monitoring part monitors a state of a UPS, on the basis of an information which was transmitted from the UPS which was connected to an information processing apparatus, and received by a UPS communication part. A UPS control part, on the basis of a result of that monitoring, generates a control information for individually controlling respective states of a plurality of electric power output parts of the UPS, in accordance with a condition of power-off of each load which was connected to the corresponding electric power output part, and carries out a control for transmitting it from the UPS communication part to the UPS.

A liquid-side pipe (47) of an outdoor circuit (40) is provided with an outdoor expansion valve (44). Furthermore, the outdoor circuit (40) is provided with a liquid-side bypass pipe (50) for having the liquid-side pipe (47) in communication with the intake side of a compressor (41). When an outdoor controller (80) receives a signal indicating that a refrigerant has leaked from an indoor circuit (60), the outdoor controller performs refrigerant recovery control operations for operating the compressor (41) in a state wherein the liquid-side control valve (44) is closed, and also performs, in therefrigerant recovery control operations, valve control operations for opening a liquid-side bypass valve (51) of the liquid-side bypass pipe (50). As a result, the refrigerant can be recovered from ause-side circuit to a heat source-side circuit, while preventing the compressor from being damaged, and the leakage amount of the refrigerant from the use-side circuit can be reduced.

The invention relates to a machining method for controlling fixed length cutting of a workpiece by a tool, a cutting device and a machine tool. The machining method comprises the steps of: detecting the position of the workpiece to obtain a position measurement signal; detecting inertial filtering on the position measurement signal by a cutting state parameter of the tool to obtain a first filtervalue; obtaining a second filter value from the position measurement signal and the first filter value; calculating a control compensation value from a first filter error, the second filter value andthe cutting state parameter; and introducing the first filter value and the control compensation value into a virtual spindle model of the tool to calculate a control signal for the cutting process. The method solves the technical problem that the cutting position is difficult to meet the relevant requirements by simply using the inertial filtering to process the position signal of the workpiece during the cutting process. By compensating the filter position, the speed of the cutting tool at the non-cutting point is smooth and the vibration is small, so that the cutting accuracy at the shear point is improved, and the quality of the machined workpiece is significantly improved.

The invention provides an automatic demolding reverse injection mold and a use method. The mold comprises an upper mold body, a lower mold body, an upper mold plate for fixing the upper mold body and a lower mold plate for fixing the lower mold body. The mold further comprises an ejection mechanism. The ejection mechanism comprises a movable mold core for moving a product and an ejector pin plate for pushing the movable mold core to move. The ejector pin plate and the movable mold core are located on the two sides of the upper mold body respectively. The ejector pin plate is provided with multiple shutters for being connected with the lower mold plate. Multiple sleeves are arranged on the portions, corresponding to the shutters, of the lower mold plate. Each sleeve is arranged on the corresponding shutter in a sleeving manner to form containing space for containing the lower mold body and the upper mold body. The product can be subjected to rapid demolding and is not likely to be deformed or damaged, and more importantly, production cost is low.

The invention provides an intelligent parking lot control management system. The system comprises a parking lot server, an image collector, a ground lock and a GPS (global positioning system) navigation system, wherein the image collector can be used for collecting a license plate number image of a vehicle and transmitting the license plate number image to the parking lot server and a cloud service center to verify; opening and closing a gate machine can be realized accordingly through using the parking lot server to control a single-chip microcomputer; the intelligent parking lot system provided by the invention can be used for making an appointment to park through an APP and automatically identifying and charging a license plate, payment modes are diverse, replacement and maintenance areeasy, and the in-and-out information of each vehicle can be looked over.

The invention discloses a heat recovery and low energy consumption constant temperature swimming pool. The heat recovery low energy consumption constant temperature swimming pool includes a wall, the upper part of the wall is connected by a transparent roof, and the transparent roof and the wall jointly surround the swimming pool. In the closed space, there is a lower swimming pool located on the ground, and an upper swimming pool is suspended above the lower swimming pool, and the upper swimming pool and the lower swimming pool are connected by columns. The swimming pool is connected with a climbable horizontal bar, the upper swimming pool and the lower swimming pool are provided with filters, the transparent roof is provided with a thin-film solar panel, and the thin-film solar panel is connected with a storage battery. The lower swimming pool and the upper swimming pool are respectively equipped with a first electric heater, a temperature controller, a controller and a heat energy recovery device; the invention has a simple structure, is convenient to use, can recover heat energy, maintains a constant water temperature in the swimming pool, and is energy-saving and environmentally friendly.

The invention relates to a DC converter valve with a pulse excitation device. The DC converter valve comprises a liquid metal heat exchange assembly, a pulse excitation assembly and a DC electric field switch, wherein the liquid metal heat exchange assembly and the pulse excitation assembly are connected through the DC electric field switch, the liquid metal heat exchange assembly comprises an insulation heat conduction layer, an insulation leather pipe and a liquid metal, an outer peripheral of a DC converter valve body is wrapped in the insulation heat conduction layer, an inner wall of the insulation heat conduction layer contacts with an outer wall of the DC converter valve body, an outer peripheral of the insulation heat conduction layer is wrapped in the insulation leather pipe, the liquid metal is filled into a gap between the insulation leather pipe and the insulation heat conduction layer, the pulse excitation assembly comprises a pulse transformer, a tap joint, a PWM PDM controller and a secondary pulse winding, and the PWM PDM controller is sequentially electrically connected with the pulse transformer, the tap joint and the secondary pulse winding. Compared with the prior art, the DC converter valve is advantaged in that the PWM is employed to control heat radiation of the liquid metal, and the DC converter valve further has properties of high flexibility, high efficiency, small size, low power consumption and long service life.