64results about How to "Wide range of places" patented technology

The invention discloses low temperature-resistant plastic used for power cables and a manufacture method thereof. The low temperature-resistant plastic used for the power cables is manufactured from the following components in percentage by weight; 50.7 parts of polyvinyl chloride resin powder, 10.4 parts of calcium carbonate, 2.3 parts of non-toxic calcium zinc stabilizers, 2.0 parts of antimony trioxide, 0.1 part of polystyrene propylene additives, 28.5 parts of polyester plasticizers, 5.0 parts of dioctyl diacid and 1. 0 part of soybean oil. The invention adopts the formula to prepare the PVC type plastic used for the power cables, which is resistant to the lower temperature of minus 50 DEG C PVC. Compared with the power cable resistant to minus 30 DEG C and the like of other formulas, the power cable made from the plastic of the invention has the advantages of stronger cold resistance, higher temperature class and wider application place range. Compared with other power cables made of materials such as TPE (Thermoplastic Elastomer) and TPU (Thermoplastic Polyurethane) and the like, the power cable made from the plastic has the advantages of no need of special processing equipment, no change of related manufacturing and processing methods, no need of new plant equipment, simple processing technology and lower cost, and can be directly produced and processed on the traditional mechanicla equipment.

This invention relates to one intelligent experiment system, which comprises display screen, computer, bus power, bus controller on the control circuit, two power modules, USB interface on the bus controller, memory, I2C bus and intelligent sensor through multi-core terminal and I2C bus, wherein, the bus controller collects data from sensor to process data and to display the test signals through screen for storage for output through USB.

The invention relates to a measurement device for the tail spatial position of a robot. The measurement device comprises a base, a stay wire encoder, a transitional mounting plate, encoder assemblies, synchronous belts and follow-up pointing mechanisms, wherein the stay wire encoder is mounted on the bottom of the base through screws; the transitional mounting plate is mounted on the top of the base through screws; the two encoder assemblies are mounted in the middle of the base through screws; and the follow-up pointing mechanisms are mounted in four round holes of the transitional mounting plate through deep groove ball bearings and connected with the encoder assemblies through the synchronous belts. The measurement device is high in precision, convenient to operate and low in cost, and has a low requirement for the measurement environment.

The invention provides a preparation method of crystal porous composite titanium dioxide for purifying air. The method includes: mixing a diluted hydrochloric acid solution with titanium tetrachloride to obtain a seed crystal solution, adding crystal titanium dioxide into the seed crystal solution, performing water bath stirring and centrifugation, subjecting the obtained solid to natural air drying or drying, calcining the solid in a muffle furnace to obtain a seed crystal titanium dioxide solid; under intense stirring conditions, adding the prepared seed crystal titanium dioxide solid and dodecylamine into anhydrous ethanol to form an ethanol suspension of seed crystal titanium dioxide solid and dodecylamine, adding butyl titanate into the solution, then adding distilled water and performing stirring, then putting the mixture into a reaction kettle to carry out hydrothermal reaction, then performing natural cooling and centrifugation to obtain a solid, firstly subjecting the solid to pickling by an ethanol-hydrochloric acid solution, then conducting washing to neutral, and carrying out centrifugation, natural air drying or drying so as to obtain the crystal porous composite titanium dioxide material. The material provided by the invention has good crystallinity and abundant micropore structures, and can achieve efficient adsorption-photocatalytic degradation of low concentration organic pollutants.

The invention discloses a method for preparing titanium dioxide by integrating adsorption and photocatalysis, which is characterized in that dodecyl-2-pyridine-methylamine is taken as a template, performed hydro-thermal reaction under ethanol-water system condition, an ethanol-hydrochloric acid solution is used for extracting the template to obtain an intermediate, a water passivation method is used for processing to obtain the titanium dioxide by integrating adsorption and photocatalysis. Compared with current materials, the adsorption, catalysis and moisture resistance of the prepared material under high wind speed (short connection time) condition possess substantial superiority, the method of the invention possesses wide application prospect in the indoor air pollution treatment field.

The invention discloses an industrial robot space pose precision test system, and belongs to the technical field of industrial robots. The industrial robot space pose precision test system comprises a pose measurement cube assembly, a measurement target, a power supply module, a visual sensor and an operation table. The measurement cube assembly is fixed to the front face of a robot measurement area through bolts. The measurement target is fixed in an X-shaped groove in the surface of a pose measurement cube through a screw, the X-shaped groove is located in the front surface of the pose measurement cube assembly, the total length of the X-shaped groove is 1000 mm, and the requirements of different robot working spaces are met. The power supply module is fixed to the bottom of a base through screws and can supply power to the five measurement targets at the same time; and the visual sensor is fixed to the tail end of a robot and connected with the operation table through a communication cable. The industrial robot space pose precision test system is specially used for testing the space pose precision of the industrial robot, and is convenient to use, high in measurement working efficiency, high in precision and low in cost.

The invention relates to a mechanism digital lock. A variable-pitch locking dog of a mechanical digital lock consists of a main locking dog and an auxiliary locking dog, wherein the main locking dog is a lock clamping end, the main locking dog and the auxiliary locking dog are connected in a sliding way by a sliding rail and a track slot, the lock clamping end is provided with a return spring hole parallel to the sliding rail, two side surfaces of the return spring hole are provided with lock clamping plate driving pins, the auxiliary locking dog is provided with a spring stabilizing penetrating pin corresponding to the return spring hole of the main locking dog, a spring is arranged on the spring stabilizing penetrating pin and is assembled with the return spring hole, and the main locking dog and the auxiliary locking dog are provided with relative travel limiting devices. The variable-pitch locking dog has a simple structure, and adopts a two-body structure; the main locking dog and the auxiliary locking dog are sheathed together coaxially in a sliding way, and can slide relatively to realize a variable-pitch integral structure; and variable-pitch control on the main locking dog and the auxiliary locking dog can be conducted freely by a handle indoors and outdoors, therefore, the mechanical digital lock can be freely controlled to be opened and closed from the inner side and the outer side, and can be used on a door body such as an antitheft door and the like.

The invention relates to a reusing device of a through-casing down-hole measuring cable and a working method of the reusing device. The reusing device of the through-casing down-hole measuring cable adopts a first cable core, a second cable core, a third cable core and a fourth cable core of a seven-core cable to be connected with a ground system and a down-hole instrument through a power supply transformer, and adjustable alternating current of the ground system is converted to direct current to be provided to the down-hole instrument; a fifth cable core and a sixth cable core of the seven-core cable are adopted to be connected with a ground communication control system and a down-hole communication control system through a communication transformer, communication signal transmission of the ground system and the down-hole instrument is conducted, and meanwhile the fifth cable core and the sixth cable core of the seven-core cable further serve as alternating-current power supply transmission cables of a motor; and a seventh cable core of the seven-core cable is adopted to be connected with a hole mouth and a down-hole voltage acquisition plate, and transmission of a reference U electrode signal is conducted. Because the number of the cable cores of the seven-core cable is limited, the power supply and the signal can reuse the cable cores, loops are connected ingeniously by utilizing a balance principle, the signal can be transferred on the seven-core cable and the down-hole instrument can further be powered up, and balanced power supply is achieved by utilizing phantom power supply.

The invention discloses a spraying fan. The spraying fan comprises a nozzle for spraying water mist; a fan assembly which comprises fan blades and a motor used for driving the fan blades to rotate; and a supporting assembly used for supporting the fan assembly. A combination part for detachably combining a battery pack is formed on the supporting assembly. The nozzle is arranged on the fan assembly or the supporting assembly. The nozzle comprises a nozzle body. The nozzle main body comprises a first part, wherein a first surface is formed on the first part; and a second part detachably mounted to the nozzle body, wherein a second surface is formed on the second part; when the second part is installed on the nozzle body, a water flow channel is formed between the second surface and the first surface; and when the second part is detached from the nozzle body, at least part of the first surface is exposed for cleaning. The spraying fan is more convenient to use and more convenient for a user to clean.

The invention relates to the technical field of printed circuit boards, in particular to a protective printed circuit board. The printed circuit board comprises a top layer, a middle layer, a bottom layer, a heat conduction layer, a copper foil circuit and a solder mask layer, wherein the top layer, the middle layer and the bottom layer are fixedly connected through pressing equipment, and the middle layer comprises a heat dissipation layer, an arc isolation layer, an anti-corrosion layer, a flame-retardant layer and an insulating layer; the heat dissipation layer is located in the middle of the middle layer, the arc isolation layers, the anti-corrosion layers, the flame-retardant layers and the insulating layers are sequentially distributed on the upper surface and the lower surface of the heat dissipation layer, the upper surface and the lower surface of the heat dissipation layer are fixedly bonded with one sides of the two arc isolation layers respectively, and the surfaces of thetwo arc isolation layers are fixedly bonded with the surfaces of the two anti-corrosion layers respectively. The purpose of improving the weather resistance of the printed circuit board is achieved, the phenomenon that the PCB is prone to corrosion is avoided, the overall property of the PCB is improved, the service life of the PCB can be prolonged, the use places are wide, and the use requirements of special places can be completely met.

The invention discloses a dehumidifying and mildew-proof drying agent for an indoor environment and a preparation method of the dehumidifying and mildew-proof drying agent. The dehumidifying and mildew-proof drying agent is prepared from the following raw materials in parts by weight: 15-20 parts of montmorillonite, 13-19 parts of illite, 16-22 parts of yellow phosphate slag, 10-15 parts of tuff, 5-10 parts of bone charcoal powder, 4-7 parts of calcium propionate, 6-9 parts of sodium metaaluminate, 7-11 parts of titanium dioxide, 5-10 parts of plant ash, and 78-92 parts of a modifier. The drying agent has excellent moisture absorption performance and ultra-high dehumidifying and mildew-proof performance, meanwhile can adsorb indoor harmful gas, and has the effect of purifying air. The drying agent is simple in preparation technology and low in price, can be produced in batches, and is wide in use places and broad in application prospect.

The present invention discloses a retractable magnetic attraction insulation bird-proof pricking needle. The retractable magnetic attraction insulation bird-proof pricking needle comprises a base seatand a needle seat, a magnet is fixed inside a lower end of the base seat, the magnet is of an annular structure, a fixing block is fixed inside the magnet, an external thread opening is formed outside an upper end of the base seat, an external groove is formed inside the external thread opening, an internal groove is formed in middle of the external groove, a sleeve column is arranged inside theinternal groove, the sleeve column is fixed with a fixing block, a first spring sleeves a periphery of the sleeve column, an upper end of the base seat is connected with the needle seat through the external thread opening, an elastic supporting piece is arranged inside the needle seat, and a sleeve is fixed at a lower end of the elastic supporting piece. The retractable magnetic attraction insulation bird-proof pricking needle is in a multi-layer-type combined structure, simple in structure combination, and quick and convenient in installation, magnet magnetic force can resist typhoon, pricking needles are made of flexible material and better in toughness, when the pricking needles are closed up, detachment is convenient, the retractable magnetic attraction insulation bird-proof pricking needle is conductive for replace and maintenance and convenient for carry and transport, when the pricking needles are open, the pricking needles are scattered evenly, a bird-proof effect is better, and birds are not easily harmed.

The invention relates to a waterproof portable power source with a flashlight function, a radio function, and an LED screen for displaying electric quantity. The waterproof portable power source comprises a portable power source body, a power source output port, a power source charging port, an LED screen, an LED lamp, a switch, a waterproof rubber gasket of the power source output port, a waterproof rubber gasket of the power source charging port, fixed columns of the waterproof rubber gasket of the power source output port, fixed columns of the waterproof rubber gasket of the power source charging port, a radio device, an adjusting button and a radio switch. The power source output port, the power source charging port, the LED lamp, the LED screen, the switch, the radio device, the adjusting button and the radio switch are installed in one side of the portable power source body in an embedded manner, the waterproof rubber gasket of the power source output port is installed on the power source output port, the waterproof rubber gasket of the power source charging port is installed on the power source charging port, and the fixed columns of the waterproof rubber gasket of the power source output port and the fixed columns of the waterproof rubber gasket of the power source charging port are installed in the inner side of the portable power source body in an embedded manner. The waterproof portable power source is provided with a waterproof function, and can be widely used and is convenient to use.

The invention provides a paper medium destroying system and relates to the paper medium destroying technology field. Technical problems that a paper shredding effect of an existing paper shredding device can only satisfy occasions with a low confidentiality level and the device cannot be applied to the occasions with high confidentiality levels; the existing paper shredding device can automatically shut down for cooling after continuously working for a period of time and is low in working efficiency; and a volume of a paper shredding barrel is limited so that the volume of shredded paper is small in the prior art are solved. The device comprises a shell, a first-stage destroying module and a second-stage destroying module, wherein the first-stage destroying module and the second-stage destroying module are successively arranged in the shell. The first-stage destroying module is located at a top of the second-stage destroying module, the first-stage destroying module comprises a cuttercomponent, and the second-stage destroying module comprises a water inlet control device, a paper liquid adjusting device and a discharging pipeline which are successively arranged. The system is usedfor thoroughly destroying a paper medium.

The invention relates to a waterproof-type double-charging portable power source with a radio receiver. The waterproof-type double-charging portable power source comprises a portable power source body, power source output ports, a power source charging opening, the radio receiver, an adjusting key, a switch, power source output port waterproof rubber pads, a power source charging opening waterproof rubber pad, power source output port waterproof rubber pad fixing columns and power source charging opening waterproof rubber pad fixing columns. The power source output ports are internally embedded in one side of the portable power source body. The power source charging opening is internally embedded in one side of the portable power source body. The radio receiver is internally embedded on one side of the portable power source body. The adjusting key is internally embedded on one side of the portable power source body. The switch is internally embedded on one side of the portable power source body. The portable output port waterproof rubber pads are installed on the power source output ports. The power source charging opening waterproof rubber pad is installed on the power source charging opening. The power source output port waterproof rubber pad fixing columns are internally embedded on the inner side of the portable power source body. The power source charging opening waterproof rubber pad fixing columns are internally embedded on the inner side of the portable power source body. The waterproof-type double-charging portable power source has the waterproof function and is wider in use place, multiple in power source output port, more convenient to use and multifunctional, a user can listen to the radio at any time and any place, joy of life is increased, and the fund for purchasing the radio receiver is saved.

The invention provides a subway station reserved underpass structure system and a construction method thereof. The subway station reserved underpass structure system comprises a subway station foundation pit and foundation pit supporting structures located on the two sides of the subway station foundation pit, and the subway station foundation pit comprises a pre-built subway station structure and a reserved underpass structure located below the pre-built subway station structure; the pre-built subway station structure comprises a top wall, a bottom plate, structural columns and side walls; the reserved underpass structure comprises a foundation reinforcing area, supporting piles and a ground beam; the whole reserved underpass structure is filled with the foundation reinforcing area, and a later interval tunnel is arranged in the foundation reinforcing area; the supporting piles correspond to the structural columns and the side walls of the pre-built subway station structure in the vertical direction and are downwards inserted into the foundation reinforcing area; and the ground beam connects the supporting piles with one another at the top ends of the supporting piles, so that the ground beam and the supporting piles integrally form a frame structure.

The invention relates to a waterproof mobile power provided with a radio, a flashlight and a distress signal lamp. The waterproof mobile power provided with the radio, the flashlight and the distress signal lamp comprises a mobile power body, power output ports, a power charging port, an LED lamp, the distress signal lamp, a switch, power output port waterproof rubber cushions, a power charging port waterproof rubber cushion, power output port waterproof rubber cushion fixing columns, power charging port waterproof rubber cushion fixing columns, the radio, an adjusting key and a radio switch. The power output ports, the power charging port, the LED lamp, the distress signal lamp, the switch, the radio, the adjusting key and the radio switch are embedded into one side of the mobile power body. The power output port waterproof rubber cushions are installed on the power output ports, the power charging port waterproof rubber cushion is installed on the power charging port, and the power output port waterproof rubber cushion fixing columns and the power charging port waterproof rubber cushion fixing columns are embedded into the inner side of the mobile power body. The waterproof mobile power provided with the radio, the flashlight and the distress signal lamp is waterproof and multiple in function.

The invention relates to a waterproof mobile power provided with a radio and an LED panel displaying the electric quantity. The waterproof mobile power provided with the radio and the LED panel displaying the electric quantity comprises a mobile power body, power output ports, a power charging port, the LED panel, a switch, the radio, an adjusting key, a radio switch, power output port waterproof rubber cushions, a power charging port waterproof rubber cushion, power output port waterproof rubber cushion fixing columns and power charging port waterproof rubber cushion fixing columns. The power output ports, the power charging port, the radio, the adjusting key, the radio switch, the LED panel and the switch are embedded into one side of the mobile power body. The power output port waterproof rubber cushions are installed on the power output ports, the power charging port waterproof rubber cushion is installed on the power charging port, and the power output port waterproof rubber cushion fixing columns and the power charging port waterproof rubber cushion fixing columns are embedded into the inner side of the mobile power body. The waterproof mobile power provided with the radio and the LED panel displaying the electric quantity is waterproof, wide in application range and convenient to use.