162results about How to "Save copper" patented technology

Welding gun with double conductor composed by a torch body (1) and electronic scales (2) to measure the intensity of the sensors (6) located in each conductor (3) and with mechanisms to trigger an alarm when there is an imbalance of the intensities circulating through both conductors. To this end, a microcontroller (5) connected to intensity (6) and temperature (8) sensors in the conductors is used, with indicators of failure or anomaly. The microcontroller (5) program calculates the difference between the magnitudes of both intensity signals and determines which of the two is higher, and, based on predefined parameters, triggers the corresponding alarm signal.

This invention relates to a non-crystal alloy rolled iron-core and its manufacturing method, in which, the iron-core is formed by several single frames winded in different sections and the section shape of the butt-joint iron-core is in a pre-designed Quasi-circular, quasi-polygon or a complex shape made of non-crystal alloy material or non-crystal alloy and silicon steel ribbon, in which, the one with the largest section is taken as the master frame rolled continuously with the straight non-crystal alloy ribbon and other single frames are formed by rolling different shapes of silicon steel ribbons, besides, the butt-joint core can be either close one or an open one, can be either single phase iron-core, three phase three posts planar core or a three phase five posts planar core or a three phase solid core.

A high voltage electric cable including a cable core, a cooling pipe for cooling the cable core including a polymer and adapted for carrying a cooling fluid, and a cable covering enclosing the cable core and the cooling pipe. The electric cable further includes a heat conducting element surrounding the cable core, and being arranged in thermal contact with the cable core and the cooling pipe.

This invention relates to one rare each permanent part pressing and shaping method and its magnetic adding device and taking device, wherein, the shaping method comprises the following steps: top head presses the material case into magnetic powder into mode; top and down heads unmoved and negative mode elevates to fill powder into magnetic field; top head and negative mode unmoved, the top head presses into magnetic part; the negative mode drops till whole magnetic part outside negative mode; the top head elevates to push pull bar into finally product area; the materials add devices comprises materials case and barrel with changeable height.

The invention relates to an energy-saving high-elongation soft aluminum alloy wire and a preparation method thereof. The aluminum alloy wire is mainly composed of the following components in percentage by weight: 0.05-0.40% of Cu, 0.10-0.40% of Zr, 0.25-1.00% of Fe, 0.01-0.22% of Mg, 0.001-0.15% of Si, 0.05-0.15% of Y, 0.05-0.10% of Sc, and the balance of Al and other inevitable impurity elements. The amount of each element in the other inevitable impurity elements does not exceed 0.03%, and the total amount of all the other inevitable impurity elements does not exceed 0.15%. The aluminum alloy wire has the advantages of favorable creep resistance, high elongation percentage, favorable bending property and the like, is easy for machine-shaping, and can ensure the stability of the electrical connection.

The invention provides a low-torque ripple permanent magnet flux-switching motor, which is formed by combining two permanent magnet flux-switching motors with a completely identical structure. The two permanent magnet flux-switching motors share a shell and a rotating shaft, and are arranged on a left side and a right side. Two sections of teeth of a rotor core are staggered by an electrical angle of 180 / P degrees under the condition of aligning the two sections of teeth of a stator core, and the two sections of teeth of the stator core are staggered by the electrical angle of 180 / P degrees under the condition of aligning the two sections of teeth of the rotor core, wherein P is a phase number. The low-torque ripple permanent magnet flux-switching motor has the advantages of high efficiency, power density, reliability and back electromotive force waveform sinusoidal properties, vast application prospect and the like, and is easy to control.

The invention relates to a permanent magnetism mechanism, which comprises an upper case body and a lower case body, wherein, a movable core is arranged between the upper case body and the lower case body; the upper part of the movable core is provided with three upper guide levers. Both sides of the upper guide lever positioned at the middle are provided with a tripping spring and a tripping spring adjusting screw. The upper part of the upper guide lever is provided with an insulator and a contact spring. The position where the lower part of the movable core corresponds to the upper guide lever is provided with a hand trip gear, and both sides of the movable core are provided with a closing coil and a permanent magnet. The invention has the advantages that linear drive is realized on a three step switch tube and the synchronicity and the operability of the three step action are more reliable; the adjustment of the speed of a trip also can be realized; the structure is simple; the cost is low. The invention can be widely used for a breaker and a contactor of a mine feed system, and the environment of the mine feed system is vile, and the mine feed system has high requirement for the reliability. Because the invention only adopts one closing coil, the space of the closing coil is increased. The number of turns of the closing coil can be increased on the premise that the coil diameter is the same or greater than the diameter of the primary coil. The invention can realize frequent electrification for a long time and can not be burnt under the condition that ampere-turn is invariable or the ampere-turn is properly enhanced.

The invention provides a carbon brush contact-type self-coupling-type AC (alternating current) voltage regulator based on segmented variable cross-section windings. The carbon brush contact-type self-coupling-type AC voltage regulator based on segmented variable cross-section windings comprises windings and annular iron cores; the windings are divided into a plurality of sections, and the cross-section areas of the sections are different; the windings are arranged on the annular iron cores; insulation gaskets which correspond to the sections and are different in thickness are arranged between the windings and the annular iron core; and the outer edges of the windings and the central line distances of the annular iron cores are equal. Due to adoption of the carbon brush contact-type self-coupling-type AC voltage regulator based on segmented variable cross-section windings, copper material is saved and the cost is lowered.

The invention provides an electric automobile modular stator and rotor motor, and belongs to the technical field of automobile motors. The electric automobile modular stator and rotor motor is characterized by comprising a convex lens-shaped iron core, a non-magnetic-conduction rotor iron core, a stator iron core, an excitation winding, an armature winding and the like, wherein the stator iron core is divided into six stator modules which are E-shaped; three unequal-width stator poles are arranged on the inner side of each stator module, wherein an excitation pole is arranged in the middle, and armature poles of the same width are arranged on the two sides; the non-magnetic-conduction rotor iron core has 10 fan-shaped grooves; and fan-shaped iron cores formed by silicon steel sheets in a laminated mode are embedded in the fan-shaped grooves. By virtue of the technology of the invention, a magnetic field can be provided for two armature windings through a short-moment excitation winding, so that the winding groove fullness and the isolation performance of each phase are improved, and the design of modularization of the stator and the rotor is realized.

An external-rotor intermediate-frequency permanent magnet generator device comprises a power interface fixing disc, a power shaft arranged on the power interface fixing disc, an internal stator connected with the power interface fixing disc, an annular external rotor connected with the power shaft and having a magnetic steel, and a protection cover connected with the internal stator and provided with an air inlet. The external rotor of the intermediate-frequency permanent magnet generator device is arranged outside the internal stator; an iron core lamination of the stator is designed to a coil slot shape and is distributed on the external circumference; the winding form is designed to a centralized winding form; and a stator winding coil is wound on the teeth individually in such a manner that one tooth corresponds to one independent coil and both sides of each coil have one pole respectively so as to form a fractional-slot winding. The stator iron core can be conveniently fixed on a stator reinforcement rib because the coil has a short and small end; the rotor is a multi-polar magnetic steel rotor; and the stator and the stator iron core are shorter in comparison with the generator of the same capacity, so that generator can be designed to a flat structure, which can have no rear bearing and of which the front end can be directly connected with an interface of a power oil machine.

The invention relates to a semiconductor adhesive used for electric apparatuses, which contains, by weight percentage, an adhesive material 55 to 65% which contains an epoxy adhesive 79 to 81%, a curing agent 7 to 9% and a toughening agent 11 to 13%; a packing material 31 to 41% which contains graphite 58 to 62% and kaolin 38 to 42%; and a low-temperature curing agent 2 to 4%. The epoxy adhesive is heated to fluid by a 50-60-DEG C oven; the fluidic epoxy adhesive is added into a beaker and then in a constant-temperature water bath at 50-60 DEG C; the curing agent, the toughening agent and a diluting agent are sequentially added into the beaker while stirring until stirring uniformly; and the packing material is added and stirred uniformly. The invention solves the technical problems of the prior arts such as poor shielding reliability and poor safety. The invention has the advantages of simple implementation process and high production efficiency, and can be used for electrostatic shielding or for formation of semiconductor layer.

The invention relates to the field of cable belts, in particular to a copper-plastic composite belt suitable for a communication cable and an optical cable and preparation thereof. The copper-plastic composite belt is coated on the outer surface of the communication cable or the optical cable and sequentially comprises a red copper layer (1), an adhesive layer (2) and a polyester film layer (3), wherein the red copper layer (1), the adhesive layer (2) and the polyester film layer (3) are bonded and heated to form a composite structure. The tensile strength of the copper-plastic composite belt is larger than or equal to 180MPa, the elongation at break of the copper-plastic composite belt is larger than or equal to 15%, the interlayer peeling strength between a copper belt and a plastic layer is larger than or equal to 15N / cm, the conductivity of the copper-plastic composite belt is larger than or equal to 90% IACS, and no punchthrough happens on the single side of the copper-plastic composite belt 1 kvd.c,1min.

The invention relates to a composite material for preparing an electromagnetic shielding conductive shrinkable tube. The composite material comprises the following raw materials in parts by weight: 90-100 parts of PVC (Polyvinyl Chloride) resin, 4-6 parts of MBS (Methyl Methacrylate) resin, 20-40 parts of metalized graphite powder, 2-4 parts of ACR modifier, 1-3 parts of CPE (Chlorinated Polyethylene), 7-9 parts of rare earth compound stabilizer, 0.4-0.6 part of stearic acid and 0.4-0.6 part of liquid paraffin. The prepared shrinkable tube mainly can serve as a joint, which is connected with a metal plug, of a shielding layer of a series of wires and cables such as audio / video signal lines, coaxial cables and radio frequency lines. The prepared shrinkable tube has an excellent conductive shielding effect, is simple in process flow, low in production cost and wide in applicability and has the advantages of light weight, corrosion resistance, low cost, copper conservation, energy consumption conservation and simple production equipment.

The invention discloses a variable frequency air conditioning system for dry working condition refrigeration and a control method of the variable frequency air conditioning system, and relates to thetechnical field of air conditioners. The variable frequency air conditioning system structurally comprises a fan, a compressor, an evaporator, an expansion valve, a condenser, a hot air bypass valve,a sensor used for obtaining the evaporation temperature, an air temperature sensor, an air humidity sensor and a controller, wherein the output end of the compressor is connected with the input end ofthe condenser, the output end of the condenser is connected with the input end of the expansion valve, the output end of the expansion valve is connected with the input end of the evaporator, and theoutput end of the evaporator is connected with the input end of the compressor; a controlled end of the compressor, the air humidity sensor, the air temperature sensor, the sensor used for obtainingthe evaporation temperature and the fan are correspondingly connected with the controller and are controlled by the controller; the sensor used for obtaining the evaporation temperature is arranged onthe evaporator, and the hot air bypass valve is arranged on a pipeline between an outlet of the compressor and an outlet of the expansion valve; and the compressor is a variable-frequency compressorcapable of achieving stepless regulation of output of the refrigerating capacity, the fan is an speed-adjustable fan capable of achieving stepless regulation of output of the air volume, and the hot air bypass valve is an electronic adjustable flow valve.

The laminated cooling wall includes one base wall body layer, one laminated wall layer and one water pipe. The base wall body layer and the laminated wall layer have separate base wall body layer cooling channel U and laminated wall layer cooling channel The with separate water inlets and water outlets. The technological scheme of the present invention has raised cooling effect, saving in copper material, low cost and other beneficial effects.

A high voltage electric cable including a cable core, a cooling pipe for cooling the cable core including a polymer and adapted for carrying a cooling fluid, and a cable covering enclosing the cable core and the cooling pipe. The electric cable further includes a heat conducting element surrounding the cable core, and being arranged in thermal contact with the cable core and the cooling pipe.

The invention relates to an environment-friendly copper-aluminum composite cable. The environment-friendly copper-aluminum composite cable is characterized in that a conductor consists of a copper conductor and an aluminum conductor, a wrapping tape is arranged outside an insulating layer, a main line of the conductor is made of a copper neutral line, an earthing line of the conductor is made of the aluminum conductor, and a waterproof layer is arranged between the conductor and the insulating layer. When the cable is used, the conductor consists of the copper conductor and the aluminum conductor, a sheath layer is made of low-smoke zero-halogen polyolefin materials, and in the use process, not only can the requirement of electric power operation be met, but also the material cost can be lowered, copper materials are saved, the recycling of waste cables are facilitated, the transportation cost is lowered at the same time, and the construction is also more convenient.

The invention provides a method for starting HID lamps randomly and a control device thereof. By using a random number seed generated by a singlechip built-in clock to generate a true random number, the invention controls the random start of HIP lamps on the same circuit, thereby greatly improving the reliability and the service life of the existing electronic ballast, and creating favorable conditions for replacing the inductive ballast on a large scale.

The invention discloses an electromagnetic brake which comprises a magnet yoke and the like. An electromagnetic coil is arranged inside the magnet yoke. A fastening bolt penetrates the magnet yoke and an armature in sequence, and then the fastening bolt is fixedly connected with a brake shoe. The magnet yoke is opposite to the armature. The armature can move relative to the magnet yoke. A reset elastic component is abutted between the armature and the brake shoe; and / or a slope force amplification mechanism is arranged inside the magnet yoke. The magnet yoke directly drives the slope force amplification mechanism. The electromagnetic force of the magnet yoke is amplified by beta times through the slope force amplification mechanism; and / or a groove with a cone-shaped side surface is formed in the end portion, opposite to the armature, of the magnet yoke. Correspondingly, a boss with a cone-shaped side surface is formed in the corresponding end portion, opposite to the magnet yoke, of the armature and matched with the groove; and / or a plurality of electromagnetic coils are arranged, the connection mode of the electromagnetic coils can be converted between the series connection and the parallel connection, conversion of the series connection and the parallel connection of the electromagnetic coils can be achieved through an electromagnetic coils series-parallel connection conversion circuit; and / or a pin-positioning air resistance-buffering device is arranged between the armature and the brake shoe to integrates the pin positioning and air resistance buffering into a whole.

The invention discloses an electromagnet of a built-in inclined plane force-amplifier. The electromagnet of the built-in inclined plane force-amplifier comprises a magnet yoke, an electromagnetic coil arranged inside the magnet yoke, an armature, and a fastening bolt, wherein the fastening bolt penetrates through the magnet yoke, the magnet yoke forms an embedded groove, an inclined plane force-amplifier is arranged inside the embedded groove, the inclined plane force-amplifier comprises a supporting plate which is flexibly sleeved in the fastening bolt, a driven plate which is tightly connected with the fastening bolt, a driving drive inclined sleeve which depends on the magnet yoke to propel, and a sliding body, wherein the driving drive inclined sleeve is fixed on the magnet yoke, the supporting plate is fixed on the armature, the supporting plate is arranged outside corresponding to the driven plate, a gap is reserved between the inner end of the supporting plate and the end portion of the driven plate, the driving drive inclined sleeve is sleeved outside the driven plate, and the inclined plane section of the driving drive inclined sleeve corresponds to a gapped portion of the supporting plate and the driven plate, and therefore the driving drive inclined sleeve, the supporting plate and the driven plate form a region. The sliding body is loaded inside the region, the sliding body contacts the driving drive inclined sleeve, the supporting plate and the driven plate, and at least two planes of three planes which contact the sliding body are inclined planes.

The invention discloses a circuit structure of a light curtain wireless connection device. The circuit structure is characterized in that the receiving end of a light curtain is connected with a left electric storage box, and the transmitting end of the light curtain is connected with a right electric storage box; a charging box is arranged between the left electric storage box and the right electric storage box; charging sockets are positioned on the two sides of the charging box, and the left electric storage box and the right electric storage box are provided with charging plugs matched with the charging sockets. The left electric storage box is provided with an infrared emission head, the charging box is provided with a first infrared receiving head, and the right electric storage box is provided with a second infrared receiving head. The light curtain wireless connection device of an elevator door not only can provide power supply box control signals necessary for normal working of the light curtain, but also can improve reliability and prolong the service life of the light curtain.

The invention discloses a PON (Passive Optical Network)-based intelligent household control terminal. The PON-based intelligent household control terminal disclosed by the invention comprises a PON CPU (Central Processing Unit), a human-computer interaction module, a data interface, a display module, a communication interface and a wireless network card; the human-computer interaction module is connected with the PON CPU; the display module is connected with the PON CPU by the data interface; the wireless network card is connected with the PON CPU by the communication interface; the wireless network card is connected to WIFI (Wireless Fidelity) controlled equipment in a wireless manner. According to the PON-based intelligent household control terminal, which is disclosed by the invention, the intelligent household control adopts the full WIFI environment; the intelligent household control terminal is wiring-free; a communication manner adopts a standard manner; the bandwidth of the intelligent household control terminal can be suitable for audio and video transmission; the intelligent household control terminal is directly connected to the network; network wiring is reduced; copper cables can be saved.

The invention discloses a high-capacity copper-clad aluminum composite optical fiber used for tri-network integration and a production method thereof. A pure copper cable is replaced by a copper-clad aluminum composite cable, copper materials are saved, and production and assorting cost is reduced greatly. The high-capacity copper-clad aluminum composite optical fiber is environment-friendly, free from pollution, capable of combining high-quality stable electricity conducting performances of copper and low-cost energy of aluminum to a novel conductor material through low contact resistance and satisfying the technical requirements of performance of wire diameter, mechanics and electricity needed by clients, small in pollution, high in electric conductivity, corrosion resistant, high temperature resistant, simple in technological process, long in service life and wide in application range.

A multiphase magnetic integration coupling inductor comprises a U-type iron core, a T-type iron core and coils; the magnetic pillars of the T-type iron core are positioned between magnetic pillars of the U-type iron core; an air gap group is formed between the magnetic yoke of the T-type iron core and each magnetic pillar of the U-type iron core; another air gap group is formed between the magnetic yoke of the U-type iron core and each magnetic pillar of the T-type iron core; each magnetic pillar of the U-type iron core are winded by the coil. The advantages are that the multiphase magnetic integration coupling inductor is applied to coupling integration of each phase inductor in an interleaving switch power supply, thus improving symmetry level of each phase inductance parameters, simplifying iron core coupling structure, reducing coil length, saving copper material, reducing coil copper loss, reducing power supply output current and voltage ripples, reducing power supply output filter capacitance, and improving power supply efficiency and dynamic response speed .

The invention relates to an assembled center pillar inductor. The assembled center pillar inductor comprises a closed magnetic-loop magnetic core stack, a framework and windings, wherein the closed magnetic-loop magnetic core stack consists of an assembled center pillar and two side pillar magnets; the assembled center pillar consists of a clamping magnet and an I-shaped supporting magnet; a group of winding is coiled on each winding coiling shaft of the framework respectively; the coiling directions of two adjacent groups of windings are opposite; when the clamping magnet is arranged in a hollow hole of the framework and the supporting magnet is inserted into the hollow hole, a folding arm of the clamping magnet is clamped at both ends and the hollow part of the hollow hole; and the outward end faces of folding arms of the two side pillar magnets are attached to two side surfaces of the assembled center pillar so as to form at least two induction units. The assembled center pillar inductor has the advantages of effectively reducing the height of the winding framework, effectively enhancing an excitation angle of a magnetic loop and improving the structure of the magnetic loop.

This invention relate to a method for manufacturing the coil disk of the induction cooker. Its feature is that: the coil disk is made of copper cladding aluminum wires. The invention of the beneficial effects : (1) it saves copper and greatly reduce production cost, (2) the plasticity of the aluminum wires is better than ones of copper wire, easy molding, (3) the Insulation Resistance and heat tolerance of the coating layer of the aluminum is better, thereby it prolongs its using-life.

The invention relates to an ultrasonic flow meter comprising a flow meter cavity, an inflow end spindle-type straight-through hole, a flow measurement hole, an outflow end spindle-type straight-through hole, an inflow port transducer, an outflow port transducer, an inflow end ship-type reflecting column and an outflow end ship-type reflecting column. The inflow port transducer is mounted in a mounting hole of the inflow port transducer, and the outflow port transducer is mounted in a mounting hole of the outflow port transducer. The inflow end ship-type reflecting column is mounted in a mounting hole of the inflow end ship-type reflecting column, and the outflow end ship-type reflecting column is mounted in a mounting hole of the outflow end ship-type reflecting column. The inflow port transducer contacts with the inflow end ship-type reflecting column, and the outflow port transducer contacts with the outflow end ship-type reflecting column. The ultrasonic flow meter has functions of current rectification, current stabilization, blocking prevention and hanging and twisting prevention, so that a filter is not required to be mounted when the ultrasonic flow meter is used, and resources are saved for countries.

The invention discloses a photovoltaic assembly with built-in diodes. The assembly comprises a front glass plate, a solar energy cell array, back plates and a wire box arranged on the back plate, wherein the solar energy cell array comprises multiple series connection solar energy strings. The assembly is characterized in that the diodes are connected between two bypass cell strings, positive and negative electrodes of the diodes are respectively pre-welded with one segment of bus bar, one electrodes are needed to lead out pre-welded longer bus bars connected with the wire box, during assembly lamination, the diodes pre-welded with the bus bars are connected between two bypass cell strings according to polarity, for one ends pre-welded with longer bus bars, relatively extra parts of the longer bus bars are bent to lead outside the assembly and are used for connecting with the positive / negative electrodes of the wire box, positions of the back plate corresponding to the diodes are respectively provided with an opening, and the bus bars after being bent on the diodes are led out from the openings. The assembly is convenient for part maintenance and replacement, and cost is reduced.

The invention relates to an energy and material saving magnetic ballast or transformer. The magnetic ballast or transformer comprises a magnetic core body and a coil; the magnetic core body is formed by buckling upper and lower E crossed magnetic core bodies which have systematical structures and a magnetic circuit of each magnetic core body is closed; in the upper E crossed magnetic core body or the lower E crossed magnetic core body, the central part is provided with a magnetic core body boss; the periphery corresponding to the magnetic core body boss is provided with vertical magnetic core body side walls; wire insertion grooves are formed between the magnetic core body side walls and the periphery corresponding to the magnetic core body boss; the grooves have groove bottoms; the upper ends of the grooves are provided with openings; and the coil is inserted into whole wire insertion grooves which are formed by bucking the upper and lower E crossed magnetic core bodies which have systematical structures. Compared with the conventional magnetic ballast or transformer, the energy and material saving magnetic ballast or transformer has the advantages that enamelled wires and silicon sheets are saved, electric resistance and magnetic loss are reduced, and energy consumption is reduced.

The invention relates to the field of cable straps, in particular to a copper plastic composite strap suitable for a telecommunication cable and an optical cable and a copper plastic composite strap preparation method. The copper plastic composite strap is wrapped on the outer surface of the telecommunication cable or the optical cable. The copper plastic composite strap is provided with a red copper layer (1), an adhesive layer (2) and a polyester film layer (3) in sequence. The red copper layer (1), the adhesive layer (2) and the polyester film layer (3) are attached together through bonding and heating to form a composite structure. The tensile strength of the copper plastic composite strap is larger than or equal to 180 MPa. The breakage elongation of the copper plastic composite strap is larger than or equal to 15%. The interlaminar peeling strength between a copper strap and a plastic layer is larger than or equal to 15N / centimeter. The conductivity of the copper plastic composite strap is larger than or equal to 90% of international annealed copper standard (IACS). The breakdown phenomenon does not happen to the single-sided copper plastic composite strap 1kvd.c in one minute.