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34results about How to "Realize non-stop operation" patented technology

Air conditioner control method

The invention discloses an air conditioner control method which comprises the following steps: acquiring an output voltage value corresponding to the working temperature of a frequency variable power module in real time, and comparing the output voltage value with set voltage values; if the output voltage value is not less than a first set voltage value, controlling an air conditioner compressor to stop; and if the output voltage value is less than a first set voltage value but is not less than a second set voltage value, carrying out the following frequency limiting process: limiting the working frequency of the compressor, which is acquired according a conventional frequency calculation method, and controlling the compressor to operate by taking the limited working frequency as an actual working frequency. Through application of the control method provided by the invention, the accuracy of control temperature detection and the comfort of air conditioner temperature regulation are improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Crossing toll collection device based on visible light communication and toll collection system

The invention discloses a crossing toll collection device based on visible light communication. The device comprises a visible light communication device, a controller, a snapshot device and a computer, wherein the visible light communication device is used for achieving data communication between vehicles and a toll station; the controller is used for controlling a lane handrail and a signal lamp; the snapshot device is used for taking candid photographs of the vehicles; the computer is connected with the visible light communication device, the controller and the snapshot device. The invention further discloses a toll collection system of the crossing toll collection device based on visible light communication. The toll collection system comprises a plurality of crossing toll collection devices based on visible light communication, the computers of the crossing toll collection devices based on visible light communication are connected with a switch of the toll station, and the switch is connected with a toll-station server and a database of an expressway system. Ground induction coils do not need to be buried in advance, the visible light communication technology is combined, headlamps of the current vehicles are used fully, erroneous judgment of the vehicles is avoided, and the number of communication dead zones is reduced.
Owner:赵生捷

Mirror plane artificial leather counter-gluing machine

The invention relates to a mirror plane artificial leather counter-gluing machine which comprises an ironing counter-gluing device; the ironing counter-gluing device comprises a double-roll and an ironing heating roller, wherein the double-roll is used for counter-gluing beam-focusing surfaces of mirror sides of two pieces of mirror plane artificial leathers so as to form a path, and the ironing heating roller is used for respectively heating and ironing the two pieces of mirror plane artificial leathers entering the double-roll for counter-gluing; as the ironing counter-gluing device of the mirror plane artificial leather counter-gluing machine can respectively iron and remove winkles of two rolls of mirror plane artificial leathers by using the ironing heating roller and counter-glue the mirror sides by using the double-roll, thereby leading the mirror sides of the two pieces of the mirror plane artificial leather to face to face all the time in a follow-up collecting process, avoiding the contact of the mirror sides and the uneven surfaces of the mirror plane artificial leather in the collecting process and further eliminating winkles on a corresponding mirror plane artificial leather.
Owner:XINXIANG DINGXIN MACHINERY

Steel plate shearing device and using method

The invention relates to a steel plate shearing device. The steel plate shearing device comprises a rack which is provided with a workbench, a cutting device which is arranged on the rack, located above the workbench and used for cutting steel plates, a first rotating shaft which is rotationally arranged on the rack and located on one side of the cutting device, a first rotating disc which is fixed to the first rotating shaft and is located above the workbench, an arc-shaped plate which is arranged on the peripheral surface of the first rotating disc and is attached to the peripheral surface of the first rotating disc, a first power part which is fixed to the rack, and a stacking device which is arranged on one side of the rack and used for stacking and forming the sheared steel plates, wherein the output end of the first power part is connected with the first rotating shaft and used for driving the first rotating shaft to rotate, and in the process that the first power part drives the first rotating shaft to rotate, the side surface of the arc-shaped plate can abut against the steel plates and push the steel plates to move towards one side of the cutting device. The device has the effect of being high in automation degree, and the shearing efficiency of the steel plates can be effectively improved.
Owner:烟台广源人防设备有限公司

Chip mounting device for electronic component production and chip mounting method of chip mounting device

The invention discloses a chip mounting device for electronic component production. The device comprises a main case; a patch cavity is fixedly formed in the top surface of the main case; a movable rack is connected with the rear side surface of the interior of the patch cavity in a sliding manner; a transverse fixing frame is fixedly arranged on the front face of the movable rack; a main fixing table and an auxiliary fixing table are arranged on the transverse fixing frame side by side; the main fixing table and the auxiliary fixing table are each provided with an air cylinder; a suction cupis fixedly arranged on a piston rod of each air cylinder; a motor I is fixedly arranged in a cavity of the main case; the output end of the motor I is fixedly connected with the center of the bottom face of a rotary disc; the rotary disc penetrates through the upper surface of the main case; and four sets of workpiece mounting tables are arranged on the disc face of the rotary disc at equal angles. The chip mounting device for electronic component production achieves non-stop operation, and is high in practicability and chip mounting efficiency.
Owner:安徽新芯威半导体有限公司

Automatic cleaning type underground engineering construction sewage discharge device

The invention belongs to the field of underground engineering, and particularly relates to an automatic cleaning type underground engineering construction sewage discharge device, which comprises a storage box and a cylindrical collection box, wherein the storage box is communicated to the collection box through a sewage discharge port, a water inlet pipe is arranged at the upper end of the collection box, a water discharge pipe is arranged at the side wall of the collection box, a liner with an opening end is rotationally connected in the collection box in a sealed mode, and is fixedly connected to a partition plate in the axis direction of the liner, the liner is divided into an upper water discharge cavity and a lower water discharge by the partition plate, circulating holes are formedin the positions, corresponding to the water inlet pipe, of each water discharge cavity, filtering plates are connected in each water discharge cavity in a sliding and sealing mode, and are perpendicular to the axis direction of the liner, a counterweight roller is rotationally connected to the outer side wall, away from the opening end, of the liner, and a connecting strip is wound around the counterweight roller. According to the invention, by arranging the upper water discharge cavity and the lower water discharge cavity, water can be conveyed alternately, and the sewage discharge pipe is not required to be closed during impurity cleaning, so that the non-stop operation can be achieved, and the sewage discharge efficiency can be greatly improved.
Owner:上海铁能建设工程有限公司

Blockage cleaning and dust removing equipment for industrial furnace

The invention discloses blockage cleaning and dust removing equipment for an industrial furnace. The blockage cleaning and dust removing equipment comprises an air compressor (1) and a carbon dioxide vessel (10), wherein the air compressor (1) and the carbon dioxide vessel (10) are both connected with a supercharging device (2); the supercharging device is connected with a carbon dioxide liquid storage tube (3); liquid carbon dioxide (4) and a heating tube (7) are arranged in the carbon dioxide liquid storage tube (3) respectively; one end of the carbon dioxide liquid storage tube (3) is connected with an explosion controller (9) through a wire (8); and the other end of the carbon dioxide liquid storage tube (3) is sequentially connected with a rupture disc (6) and a release port (5). According to the blockage cleaning and dust removing equipment, the technical problems of caking, coking, ring forming and the like in an inner cavity of the furnace are solved, erosion of dust on a pipeline is reduced, smoothness of a flue is guaranteed, pollutant discharge of particulate matters to the atmospheric environment is lowered, energy conservation and consumption reduction are promoted, and normal running of safety production is guaranteed.
Owner:河南国科特种装备有限公司

Insulated cable protection device

The invention discloses an insulated cable protection device, relating to a cable positioning device in electrical power engineering wiring construction. The insulated cable protection device comprises an insulating rod made of light material; the top of the insulating rod is provided with a cable separating device; the cable separating device comprises a top plate, a connection seat and a cable jamming device, wherein the connection seat is arranged on the middle of the lower part of the top plate, the cable jamming device is connected to the lower part of the top plate and is vertical to the top plate, the connection seat is detachably connected with the insulating rod, at least two cable jamming devices are provided, and a downward groove capable of containing the cable is provided. The invention reduces electric energy loss, shortens construction time and has high economic benefit.
Owner:YIZHENG POWER SUPPLY OF JIANGSU ELECTRIC POWER

Honeycomb plate processing equipment

The invention discloses honeycomb plate processing equipment which comprises a single-face forming mechanism and a double-face forming mechanism, a single-face honeycomb plate storage station is arranged between the single-face forming mechanism and the double-face forming mechanism, the single-face forming mechanism and the double-face forming mechanism operate independently, the storage stationis provided with a conveying belt, the conveying speed of the conveying belt is lower than the forming speed of the single-face forming mechanism, the single-face forming mechanism comprises a first panel frame, a honeycomb core pulling device, a first gluing device and a first compounding device, the double-face forming mechanism comprises a second panel frame, a second gluing device and a secondcompounding device, along the honeycomb core conveying direction, the storage station is arranged between the first compounding device and the second gluing device, gluing of the single-face honeycomb plate and compounding of the single-face honeycomb plate and a second panel are not affected by a single-face forming part, the single-face honeycomb plate and the second panel are firmly bonded, and high-speed production is achieved.
Owner:应树丰

Ceramic tile stacking and piling device

The invention discloses a ceramic tile stacking and piling device, and relates to the technical field of piling devices. The ceramic tile stacking and piling device comprises a double-station materialbearing mechanism and a piling mechanism, wherein the double-station material bearing mechanism comprises a substrate, and a screw rod transmission assembly is fixedly arranged in the substrate; andthe piling mechanism comprises a base, one side surface of the substrate is fixedly connected with the base, two first hydraulic rods are embedded in the base, one ends of the two first hydraulic rodsare fixedly connected with a lifting seat, each of two side surfaces of the lifting seat is fixedly connected with a second hydraulic rod, and one ends of the two second hydraulic rods are fixedly connected with side plates. According to the ceramic tile stacking and piling device, through the design of the double-station material bearing mechanism and the piling mechanism, the device can automatically complete the piling operation in the ceramic tile production process through butt joint with a material conveying platform, and through the design of a double-station material bearing platform,seamless material bearing during material bearing can be guaranteed, thus realizing non-stop operation and effectively improving the piling efficiency.
Owner:合肥品冠智能发热瓷砖有限公司

Inductance coupling device for broadband communication by using middle-pressure overhead power transmission line

The invention relates to an inductance coupling device for broadband communication by using a middle-pressure overhead power transmission line. In the invention, an overhead line coupling device and an inductance coupler are arranged on the middle-pressure overhead power transmission line; the overhead line coupling device is a signal exchange device which consists of a high-pressure coil, a high-pressure signal connector, a low-pressure coil and a low-pressure signal connector and can realize signal exchange between high-pressure and low-pressure ends; and the inductance coupler is a magnetic medium component which consists of a main body left semicircle, a main body right semicircle, a hoop, a buckle and a limiting projection and can couple signals transmitted by the overhead line coupling device and the middle-pressure overhead power line. The inductance coupling device has the advantages of coupling the signals transmitted by the overhead line coupling device and the middle-pressure overhead power line, accessing signals of middle-pressure power line broadband network communication equipment, avoiding the magnetic saturation of the inductance coupler when a loading current on the power line is too large, working without power cut, along with simple structure, high cost performance, high insulation strength, high-temperature resistance of the inductance coupler, high band width, low inductive impedance, low signal transmission attenuation, high signal coupling performance, convenient installation and maintenance and the like and is suitable to be used in electric communication departments.
Owner:STATE GRID CORP OF CHINA +1

Power distribution box convenient for self-wiring of user

The invention discloses a power distribution box convenient for self-wiring of a user, and relates to the technical field of power equipment, comprising a box body, wherein the bottom of the box bodyis provided with a mounting hole, and a terminal for connecting the wire is arranged in the mounting hole. The terminal provided by the invention is detachably installed in the mounting hole of the power distribution box, which is convenient for the transformation and access of the line in the power distribution box in the place where the power supply lines of the old community are laid without specification. Pre-installation is performed using the terminal before the completion of the laying of the lines, so that the wiring port for the user is left in advance, and the user may automaticallyaccess and fix the line through the terminal, thereby avoiding the repeated installation of the installer, improving the work efficiency of the installer, and enabling self-wiring of the user to obtain real plug and play.
Owner:STATE GRID XIANGSHAN POWER SUPPLY +2

Continuous processing technology of thermosensitive CTPs

The invention provides a continuous processing technology of thermosensitive CTPs. The continuous processing technology includes the steps of plate transmission, plate cutting, waste rewinding, automatic guiding and waste cutting and reel replacement, the produced CTPs are transmitted through a transmission device to pass through a cutting device, and are cut under the cutting action of the cutting device, and waste and the finished plates are produced after cutting, wherein the finished plates continue to be transferred to the rear part, and the waste is collected at a waste rewinding deviceafter being rewound through the waste rewinding device. According to the continuous processing technology of the thermosensitive CTPs, aiming at overcoming the defects of the prior art, continuous production equipment for spraying the photosensitive thermosensitive CTPs is provided, after photosensitive coatings are sprayed on the surfaces of the CTPs, the CTPs are subjected to directional transmission through the transmission device after being dried and shaped, by combining with the cutting device, quantitative slitting and rewinding are completed, and the cut waste is automatically rewoundand recycled in batch synchronously when quantitative slitting is conducted.
Owner:浙江吉木数码印刷版材有限公司

Novel hydrogen peroxide purification method

The invention provides a novel hydrogen peroxide purification method. The method comprises the following steps: respectively passing a hydrogen peroxide raw material, a replacement liquid A, a desorption liquid, a replacement liquid B and a hydrogen peroxide finished product through a hydrogen peroxide raw material tank feeding pipe, a replacement liquid A feeding pipe, a desorption liquid top replacement liquid feeding pipe, a desorption liquid feeding pipe, a replacement liquid B feeding pipe and a finished hydrogen peroxide replacement feeding pipe; after respectively entering the corresponding resin columns, discharging from a hydrogen peroxide finished product discharging pipe, a replacement liquid A discharging pipe, a desorption liquid top replacement liquid discharging pipe, a desorption liquid discharging pipe, a replacement liquid B discharging pipe and a finished product hydrogen peroxide replacement discharging pipe to finish the whole technological process. According to the method, a multi-way conversion valve system is adopted, and the production cost can be reduced by 30-50%.
Owner:SUNRESIN NEW METERIALS CO LTD XIAN

Rubbing mechanism and fine dried noodle making machine

The invention relates to the technical field of fine dried noodle making machines, in particular to a rubbing mechanism and a fine dried noodle making machine. The rubbing mechanism comprises a rubbing plate, a swinging body connected with the rubbing plate, a first driving mechanism for driving the swinging body to swing, multiple first guide wheels for conveying noodles and a second driving mechanism for driving the first guide wheels, and the first guide wheels are vertically arranged. The fine dried noodle making machine comprises a rack, multiple conveying bodies sequentially arranged from top to bottom are arranged on the rack, the rubbing mechanisms and a disc surface mechanism are arranged on the rack, the rubbing mechanisms are positioned on two sides of the disc surface mechanism, and each rubbing mechanism corresponds to one conveying body. The problems of large occupied space and inconvenience in maintaining in the prior art are solved.
Owner:牛士凯

Gapless hydraulic driving following support system

The invention relates to a gapless hydraulic driving following support system, which comprises an upper cover, a jacket, an inner following sleeve, a hydraulic motor, a rotating plate, a following head and a following seat, wherein the inner following sleeve is connected with the jacket in a threaded manner and can move vertically along the jacket, and the hydraulic motor is arranged in the middle of the inner following sleeve and connected to the lower side of the upper cover by a support; the rotating plate is connected onto a rotary shaft of the hydraulic motor and is in transmission connection with the inner following sleeve in a threaded manner, and the following head is disposed on the lower side of the rotating plate and fixedly connected with the inner following sleeve; and the following seat is arranged on the lower side of the following head and movably connected with the following head. The gapless hydraulic driving following support system protects continuous gapless following of a protecting support device and a lifted heavy object in a protective supporting manner by the aid of spiral lifting, avoids impact of a supporting protection system on the lifted heavy object when a lifting system loses efficacy, and accordingly prevents damage to the lifted heavy object.
Owner:上海先科桥梁隧道检测加固工程技术有限公司

Non-power-off quick interface box

The invention provides an uninterruptible quick interface box which comprises a box body, a plurality of sockets and a plurality of wiring terminals, the sockets are formed in the box body, the wiring terminals and the sockets are arranged in a one-to-one correspondence mode, each wiring terminal is used for being connected to a corresponding overhead line, and the uninterruptible quick interface box further comprises a heat dissipation assembly. According to the structure of the heat dissipation assembly, a heat removal hole is formed in the left side of the box body, a baffle is connected to the upper portion of the heat removal hole through a bearing, a bag bin is fixed to the upper portion in the box body, a thermal expansion bag is installed in the bag bin, a vertical plate is arranged in the bag bin and located on the left side of the thermal expansion bag, and a push rod is fixedly installed on the left side of the vertical plate. The left end bearing of the push rod is connected to the right side of the baffle. The movable temporary power supply can be conveniently and rapidly connected to the overhead line, the purpose of operation without power cut is achieved, corresponding heat dissipation actions can be executed according to actual heat dissipation requirements, and the movable temporary power supply is suitable for the outdoor environment.
Owner:JIANGSU ELECTRIC POWER CO +1

An anti-oxidation treatment device for an etched surface

The invention discloses an anti-oxidation treatment device for an etched surface, which relates to the technical field of anti-oxidation. The surface anti-oxidation treatment device after etching includes a hydraulic chamber A, the hydraulic chamber A includes the inner wall of the hydraulic chamber A, the inner wall of the hydraulic chamber A is connected to the piston C as a sealed piston, and the top of the piston C is connected to the piston transmission rod The bottom end of A is fixedly connected, the top end of the piston transmission rod A is fixedly connected with the bottom end of the piston A, the piston A is connected to the hydraulic chamber C as a sealed piston, and the interior of the hydraulic chamber C is provided with a piston baffle, The etched surface anti-oxidation treatment device can realize the non-stop operation of a single chemical agent, which greatly improves the work efficiency and product quality. The etched surface anti-oxidation treatment device can meet the production needs of different processes. When production When the process requires two or more agents, multiple agents can be used to sequentially carry out anti-oxidation treatment on the required products.
Owner:绍兴华立电子有限公司

A patch device and patch method for electronic component production

The invention discloses a patch device for the production of electronic components, which comprises a main box, a patch cavity is fixedly arranged on the top surface of the main box, and a mobile A platform, the front of the mobile platform is fixed with a horizontal fixed frame, the horizontal fixed frame is provided with a main fixed platform and a secondary fixed platform side by side, and the main fixed platform and the secondary fixed platform are respectively provided with cylinders, A suction cup is fixedly arranged on the piston rod of the cylinder, and a motor one is fixedly arranged inside the cavity of the main chassis, and the output end of the first motor is fixedly connected with the center of the bottom surface of the turntable, and the turntable runs through the upper surface of the main chassis It is provided that four sets of workpiece mounting tables are arranged at equal angles on the disc surface of the turntable to realize non-stop operation of the placement device for the production of electronic components, which has strong practicability and high placement efficiency.
Owner:安徽新芯威半导体有限公司

Mirror plane artificial leather counter-gluing machine

The invention relates to a mirror plane artificial leather counter-gluing machine which comprises an ironing counter-gluing device; the ironing counter-gluing device comprises a double-roll and an ironing heating roller, wherein the double-roll is used for counter-gluing beam-focusing surfaces of mirror sides of two pieces of mirror plane artificial leathers so as to form a path, and the ironing heating roller is used for respectively heating and ironing the two pieces of mirror plane artificial leathers entering the double-roll for counter-gluing; as the ironing counter-gluing device of the mirror plane artificial leather counter-gluing machine can respectively iron and remove winkles of two rolls of mirror plane artificial leathers by using the ironing heating roller and counter-glue the mirror sides by using the double-roll, thereby leading the mirror sides of the two pieces of the mirror plane artificial leather to face to face all the time in a follow-up collecting process, avoiding the contact of the mirror sides and the uneven surfaces of the mirror plane artificial leather in the collecting process and further eliminating winkles on a corresponding mirror plane artificial leather.
Owner:XINXIANG DINGXIN MACHINERY

Curvature online detection device and method for automobile part machining

ActiveCN112050749AQuickly get the curvature valueRealize non-stop operationUsing optical meansGear wheelEngineering
The invention discloses a curvature online detection device and detection method for automobile part machining in the technical field of automobile part machining. The device comprises a detection platform assembly which comprises an L-shaped installation platform which is provided with a detection platform body; an online detection assembly, wherein a detection frame is movably arranged on the front wall of a guide plate, a guide rail is arranged in the detection frame, and a detection disc is movably arranged in the guide rail; an alternate driving assembly which comprises a driving rod fixedly connected with the detection frame. The detection disc is in close contact with the curved surface of a to-be-detected part and slides along the curved surface of the to-be-detected part, the angle between the detection rod and a linkage rod is driven to change according to the change of the curved surface, and the curvature value of the part can be quickly obtained through positioning of a plurality of detection points; a cam drives the driving rod and the detection frame to move, a missing-tooth bevel gear and a full-tooth bevel gear are matched to enable the part to move to the detection position, the detection process is conducted in sequence, non-stop operation is achieved, and the detection efficiency is improved.
Owner:丰柯电子科技(上海)有限公司

Punching system

The invention relates to a punching system. the system comprises a feeding device, a punching device, a material moving device and a material recycling device, wherein the feeding device is used for providing materials, the punching device is used for punching the materials to form target products and waste materials, the material recycling device is used for recycling the target products, and the material moving device is used for moving the materials provided by the feeding device to the punching device and moving the target products to the material recycling device after the punching device punches the materials. According to the punching system, intelligent automatic connection equipment is adopted, and the undesirable phenomena caused by directly taking and placing products manually can be effectively reduced in the production process. In addition, the punching system can achieve non-stop operation, and manpower input is reduced.
Owner:DONGGUAN CHANGYING PRECISION TECH CO LTD

Distribution line migration method

The invention relates to a distribution line migration method. The method comprises the steps that towers on a new distribution line are installed, the towers on the new distribution line are connected through wires, a target operation tower is determined according to a distribution line section to be migrated, and a small side of the target operation tower is electrically connected with a large side of the distribution line section to be migrated; an uninterruptible power supply is connected to the large side of the target operation tower, so that the uninterruptible power supply supplies power to a distribution line on the large side of the target operation tower; a connection wire between the target operation tower and the large side of the first tower is switched and connected to the large side of a second tower in the new distribution line, and a power supply path of the new distribution line is connected; and finally, the power supply of the uninterruptible power supply to the power distribution line on the large side of the target operation tower is cut off. Through the distribution line migration method, the power supply of the large-size side distribution line user of the target operation tower during switching can be ensured, and the non-power-cut operation in the distribution line migration process is realized.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Metering box outgoing line plugging device for user self-service wiring

The invention discloses a metering box outgoing line plugging device for user self-service wiring, and relates to the technical field of electric power equipment. The metering box outgoing line plugging device comprises a box body, wherein the bottom of the box body is provided with an installation hole, and the installation hole is internally provided with a wiring terminal for wire connection. The wiring terminal is detachably installed in the installation hole of the metering box, thereby being convenient for performing transformation and access on lines in the metering box in places such as old communities and the like in which power supply lines are not laid in a non-standard manner. Pre-installation is performed by using the wiring terminal before the completion of the line laying, awiring port is reserved for users in advance, and the users can access to the line and fix by themselves through the wiring terminal. According to the invention, repeated visits of the installation personnel are avoided, the working efficiency of the installation personnel is improved, the users can also perform wiring by themselves, and the plug-and-play is truly achieved.
Owner:STATE GRID XIANGSHAN POWER SUPPLY +2

A high-efficiency and energy-saving horseshoe flame furnace

The invention relates to the field of glass melting equipment and particularly relates to an efficient energy-saving horseshoe flame smelting furnace. The furnace comprises a melting tank, a feeding device and a bubbling system; wherein a flame nozzle is fixed on the side wall of the front end of the melting tank; an angle adjusting mechanism is arranged at a crown at the top of the melting tank;a heat gathering mechanism is hinged to one end, inside the melting tank, of the angle adjusting mechanism; the heat gathering mechanism comprises a banking-up plate and a heat gathering guide plate,wherein an opening of the heat gathering guide plate points to the side wall of the front end of the melting tank, and the heat gathering guide plate is in a U-shaped plate shape and can conduct convolution gathering on flame airflow sprayed out of the flame spraying opening; the heat gathering guide plate is fixedly connected to the lower surface of the banking-up plate, and the upper surface ofthe banking-up plate is hinged to the angle adjusting mechanism. According to the efficient and energy-saving horseshoe flame smelting furnace, the trend track of flame airflow sprayed out of the flame spraying opening is changed by arranging the heat gathering mechanism, so that energy is saved, the heat efficiency is improved, the service life of equipment is prolonged, and the equipment loss and the investment cost are reduced.
Owner:HUNAN JUQIANG RENEWABLE RESOURCES SCI & TECH DEV CO LTD

A kind of air conditioning control method

The invention discloses an air conditioner control method which comprises the following steps: acquiring an output voltage value corresponding to the working temperature of a frequency variable power module in real time, and comparing the output voltage value with set voltage values; if the output voltage value is not less than a first set voltage value, controlling an air conditioner compressor to stop; and if the output voltage value is less than a first set voltage value but is not less than a second set voltage value, carrying out the following frequency limiting process: limiting the working frequency of the compressor, which is acquired according a conventional frequency calculation method, and controlling the compressor to operate by taking the limited working frequency as an actual working frequency. Through application of the control method provided by the invention, the accuracy of control temperature detection and the comfort of air conditioner temperature regulation are improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Uninterrupted operation system of low-voltage distribution box

The invention provides an uninterrupted operation system of a low-voltage distribution box. The system comprises a bypass distribution box, a low-voltage distribution box and an insulation tool. The system is characterized in that the system comprises a circuit breaker, an incoming connection cable and an outgoing connection cable; the incoming busbar of the low-voltage distribution box is a segmented busbar combination structure; a first busbar is connected with an incoming circuit breaker; a second busbar is connected with an incoming cable, and a connection hole is reserved in the busbar; the outgoing busbar of the low-voltage distribution box is in a segmented busbar combination structure; the first busbar is connected with an outgoing circuit breaker; the second busbar is connected with an outgoing cable, and a connection hole is reserved in the busbar; when the low-voltage distribution box needs maintenance, an insulation tool is used to connect the incoming connection cable andthe outgoing connection cable of the bypass distribution box and the reserved connection holes of the incoming busbar and the outgoing busbar of the low-voltage distribution box to provide power for the load of the low-voltage distribution box; and uninterrupted operation during the maintenance of the low-voltage distribution box is truly realized.
Owner:NANJING JIETAI ELECTRIC POWER EQUIP

Operation method for loosening wire above electrified circuit in cross bar

The invention discloses an operation method for loosening a wire above an electrified circuit in a cross bar, which comprises the following steps: disconnecting an upper-layer wire and a lower-layer wire to cut off the power of the upper-layer wire, and performing auxiliary measures such as insulation isolation and the like on the lower-layer electrified circuit through an insulating sleeve and aninsulating blanket; installing the insulating tightener, using two overhead vehicles for conducting disconnection and loosening work on the upper-layer wire of the cross gear, and after the wires arecut off, wrapping the cut-off positions of the wires on the two sides in an insulating mode; keeping certain tension all the time when the wire is loosened through the insulating rope (the overhead vehicle is not stressed); and finally, completing the releasing work of the upper-layer wire of the electric circuit in the cross bar. According to the invention, uninterrupted power operation of wireloosening and withdrawing can be realized.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO

Automatic film blowing and feeding mechanism for sheet stock

PendingCN114104717AAutomatic blown film realizationRealization of automatic blown film feedingConveyor partsArticle deliveryElectric machineryEngineering
The invention belongs to the technical field of notebook computer manufacturing equipment, and particularly relates to an automatic sheet stock feeding mechanism which comprises a machine frame, a linear guide rail arranged on the machine frame, a sliding plate movably installed on the linear guide rail, a first lead screw motor fixed to the machine frame and connected to the sliding plate, a second lead screw motor fixed to the sliding plate and connected to the first lead screw motor, and a third lead screw motor fixed to the second lead screw motor. The lifting plate is connected to a second lead screw motor, a suction cup is arranged above the lifting plate, the suction cup is installed on an air cylinder, the air cylinder is fixed to a movable arm, the movable arm is installed on a third lead screw motor, the third lead screw motor is fixed to a cross beam, the cross beam is fixed to the machine frame, an air nozzle is arranged at one end of the cross beam, and a net-shaped storage box is arranged on the side face of the machine frame. According to the mechanism, automatic feeding of sheet materials can be achieved, and protective films between the sheet materials can be automatically blown into the net-shaped storage box; the mechanism is high in automation degree and suitable for being popularized and used in notebook computer shell part manufacturing enterprises.
Owner:合肥博大精密科技有限公司

Inductance coupling device for broadband communication by using middle-pressure overhead power transmission line

The invention relates to an inductance coupling device for broadband communication by using a middle-pressure overhead power transmission line. In the invention, an overhead line coupling device and an inductance coupler are arranged on the middle-pressure overhead power transmission line; the overhead line coupling device is a signal exchange device which consists of a high-pressure coil, a high-pressure signal connector, a low-pressure coil and a low-pressure signal connector and can realize signal exchange between high-pressure and low-pressure ends; and the inductance coupler is a magnetic medium component which consists of a main body left semicircle, a main body right semicircle, a hoop, a buckle and a limiting projection and can couple signals transmitted by the overhead line coupling device and the middle-pressure overhead power line. The inductance coupling device has the advantages of coupling the signals transmitted by the overhead line coupling device and the middle-pressure overhead power line, accessing signals of middle-pressure power line broadband network communication equipment, avoiding the magnetic saturation of the inductance coupler when a loading current on the power line is too large, working without power cut, along with simple structure, high cost performance, high insulation strength, high-temperature resistance of the inductance coupler, high band width, low inductive impedance, low signal transmission attenuation, high signal coupling performance, convenient installation and maintenance and the like and is suitable to be used in electric communication departments.
Owner:STATE GRID CORP OF CHINA +3
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