56results about How to "Small shape" patented technology

The utility model discloses a mounting device of an unmanned aerial vehicle, which comprises a mounting device body, the mounting device body is mounted at the bottom of an unmanned aerial vehicle body, the mounting device body comprises a suspension release assembly, a micro motor on the suspension release assembly is powered by a power supply device, and the micro motor is electrically connected with a control panel. The control panel and the power supply device are both mounted in the unmanned aerial vehicle body; the bottom of the micro motor is installed on the fixing frame. When the mounting device of the unmanned aerial vehicle flies to the position where articles need to be delivered, a switch of a micro motor is started through a remote controller, a mounting rod is driven to move through the micro motor, a rotary disc and a transmission rod, the mounting rod is of a horizontal transverse movement structure, the mounting rod is shrunk into a limiting hole, and the suspended articles are released; the whole mounting device body is small and exquisite in shape and simple in structure, large loads cannot be caused to the unmanned aerial vehicle body under the gravity, and the endurance of the unmanned aerial vehicle body is prolonged.

The utility model relates to a device easy for 90-degree forming in a small progressive die. The device consists of three parts, namely a stripper plate insert, a forming insert and a forming punch, the angle of the left side of the bottom of the stripper plate insert is a negative angle of 90-alpha degrees, and the stripper plate insert is made of DC53 die steel subjected to vacuum heat treatment and HRC 58-62 degrees; the right side angle of the upper part of the forming insert is a negative angle of 90-alpha degrees, and the forming insert is made of DC53 die steel subjected to vacuum heat treatment and HRC 58-62 degrees; the forming punch is made of DC53 die steel subjected to vacuum heat treatment and HRC 58-62 degrees. According to the utility model, firstly, 90-degree forming only needs one working step, so that the appearance of the die is small, and the die is more beneficial to production on a small punching machine; and secondly, the negative angle of 90-alpha degrees is formed in the insert, and the angle alpha is used for counteracting the defect of material resilience, so that 90-degree forming becomes easier, and the machining can be realized without increasing procedures.

The utility model relates to the technical field of bridge construction, and discloses a crossing movable platform attached to a high-altitude bridge, which comprises a space structure body, the top end of the space structure body is fixedly connected with the bottom surface of the bridge, and the space structure body comprises a plurality of polygonal annular frames; each polygonal annular frame comprises a polygonal bottom frame and vertical supporting frames distributed in the circumferential direction of the bottom frame. The multiple polygonal annular frames are sequentially arranged in the length direction of the bridge. The anti-falling net is arranged on the bottom surface and the circumferential direction of the space structure body in a tensioning manner; the climbing entertainment device is located in the space structure body and attached to the space structure body; the corners of the bottom frames of every two adjacent polygonal annular frames are aligned at the top points and connected through circumferential dampers used for consuming horizontal vibration, and metal dampers used for consuming vertical vibration are arranged between the top of the space structure body and the bridge. The technical problems that an ultra-long movable platform attached to a high-altitude bridge is greatly influenced by wind shock, and the sense of safety of tourists is low are solved.

The lunch box injection mold comprises a top plate, an upper plate, an upper injection mold body and a lower injection mold body which are sequentially arranged from top to bottom, a plurality of longitudinal guide positioning strips are installed on the front outer side and the rear outer side of the top of the top plate respectively, and a clamping groove is formed in the bottom of each guide positioning strip. Clamping blocks corresponding to the clamping grooves are slidably connected to the front outer side and the rear outer side of the lower injection mold, a first inclined face is arranged on the outer side of the bottom of the guide positioning strip, a second inclined face corresponding to the first inclined face is arranged on the inner side of the top of each clamping block, and the clamping blocks are connected with connecting rods slidably connected with the lower injection mold front and back. The outer side of the connecting rod is sleeved with a spring abutting against the clamping block. The lunch box injection mold is simple in structure, low in production cost and accurate in alignment, position deviation is not prone to occurring during injection molding, the shape and size deviation of an injection molded lunch box is extremely small, the injection molding requirement of thin lunch boxes is met, the injection molding quality of the lunch boxes is improved, and batch production is facilitated.

The utility model provides a waste residue cleaning device for crude lead smelting. Relates to the technical field of lead bullion smelting, the waste residue cleaning device for lead bullion smelting comprises a storage box, a feeder is fixedly installed on one side of the storage box, a mounting plate is fixedly installed on one side of the feeder, two fixing blocks are fixedly installed on one side of the mounting plate, and a same screw rod is rotatably installed between the two fixing blocks; a movable block is installed on the threaded rod in a threaded mode, a fixing frame is fixedly installed on one side of the mounting plate, two rotating rods are rotatably installed on the fixing frame, the two rotating rods are fixedly sleeved with synchronous wheels, the two synchronous wheels are sleeved with the same synchronous belt, and a first motor is fixedly installed on one side of the fixing frame. The waste residue cleaning device for crude lead smelting has the advantages that operation is convenient and fast, waste residues can be conveniently and fast collected and cleaned, and time and labor are relatively saved in the using process.

This utility model discloses a mold closing mechanism with a composite ejector cylinder, including a moving mold plate, which has a mold plate body and an outwardly extending protruding structure. The protruding structure is equipped with at least one main ejector cylinder and at least two auxiliary ejector cylinders, the stroke of the main ejector cylinder being greater than the stroke of the auxiliary ejector cylinders. An ejector guide plate is provided between the mold plate body and the protruding structure. The piston rod of the main ejector cylinder is connected to the ejector guide plate, while the piston rod of the auxiliary ejector cylinders is not connected to the ejector guide plate. Several ejector rods are provided on the ejector guide plate, penetrating the mold plate body. During the stroke of the auxiliary ejector cylinders, the main ejector cylinder and the auxiliary ejector cylinders together drive the ejector guide plate to complete the ejection action of the ejector rods. During the remaining stroke, the main ejector cylinder alone drives the ejector guide plate to complete the ejection action of the ejector rods. This mold closing mechanism with a composite ejector cylinder can provide a large ejector force in the initial demolding stage and achieve rapid ejection in subsequent strokes, combining large ejection force and high movement speed to improve production efficiency.

The present invention belongs to organic chemical industry, and specifically relates to a method for purifying indane, a raw material of cashmerone. 1. A method for purifying indane, a raw material of cashmerone, comprises the following steps: S1, alkali washing and water washing of galaxol indane to obtain crude cashmerone indane; S2, adding aluminum-magnesium modified hydroxymethyl cellulose coagulant to the crude cashmerone indane obtained in S1, stirring it fully, standing it, and obtaining a supernatant after enhanced coagulation treatment; S3, adding redox-treated graphene powder to the supernatant obtained in S2, stirring it fully, standing it, and obtaining a supernatant after adsorption treatment; S4, injecting the supernatant after adsorption treatment obtained in S3 into an indane distillation tower, and obtaining fine indane for making cashmerone by distillation. The beneficial effect of the present invention is: the pentamethyl indane in the basic essence galaxol is purified to synthesize the advanced essence cashmerone, thereby increasing the economic benefits of the enterprise.

The present invention discloses a modular device for the turnover and storage of the rotor assembly of a motor, including a plurality of supporting columns and a plurality of rotor assembly turnover tools, wherein the rotor assembly turnover tool is provided with a turnover base plate and a plurality of rotor assembly chambers, wherein the rotor assembly chamber is a hollow columnar structure with one end open, wherein the rotor assembly chamber is extendedly arranged at the lower position of the turnover base plate, wherein the opening of the rotor assembly chamber is arranged on the upper surface of the turnover base plate, and the rotor assembly chamber is used for the turnover and storage of the rotor assembly. The present invention effectively ensures the qualified rate in the turnover and storage of finished and semi-finished rotor assemblies, reduces the risk of motor operation, improves the motor production efficiency, reduces the motor production cost, improves the stability and consistency of the motor, and improves the life and quality of the motor batch.

The utility model relates to a winding, weaving, wear-resistant and anti-electromagnetic interference sleeve, which is provided with a wall, and the wall is provided with opposite edges longitudinally extending between two ends. The wall is wound into a tubular shape about a central longitudinal axis, the tubular structure defining a closed cavity dimensioned to receive an elongate member therein. The wall is woven from warp filaments extending substantially parallel to the central longitudinal axis and weft filaments extending substantially transverse to the warp filaments. The warp wires include conductive wires provided as metal wires and separate non-conductive warp wires. The weft includes a heat-set filament that is heat-formed to bias the wall into a tubular structure and bias the opposing edges into an overlapping relationship with each other. And the weft yarns further comprise conductive yarns. The sleeve provided by the utility model can effectively shield electromagnetic interference, and can also prevent a protected lead and / or external elements from being worn at the same time.

The utility model relates to an exhaust valve for exhausting high-pressure starting gas in a pipeline. When a maintainer disassembles a sprayed gas fire extinguishing system and also disassembles a starting pipeline (containing high-pressure gas), the high-pressure gas still exists in a driving gas bottle group and the starting pipeline, and potential safety hazards exist. The utility model relates to an exhaust valve for exhausting high-pressure starting gas in a pipeline, which comprises a valve body and a valve core, the side part of the valve body is provided with a starting pipeline connecting port, and the exhaust valve is characterized in that an exhaust button is arranged at the upper part of the valve core, and the exhaust button is pressed downwards to trigger the valve core to act downwards so as to exhaust the gas from silencers at the two sides of the valve body. And a limiting piece for limiting the downward pressing of the valve core is arranged at the upper part of the valve core. The exhaust valve is simple in structure, exhaust is convenient, and the functions of exhaust, locking and resetting are integrated.

The utility model discloses a high-precision adaptive integrated top cover edge longitudinal beam, which relates to the technical field of vehicle body structural members, and comprises a pipe body and a matching groove, one side of the pipe body is provided with a connecting surface, the top of the pipe body is provided with a modeling surface, the modeling surface is arc-shaped, the matching groove is arranged at the lower end of the other side of the pipe body, and the connecting surface is provided with an arc-shaped opening. An electrophoresis assembly is arranged on the surface of the pipe body, and the electrophoresis assembly comprises an exhaust hole and a liquid drainage hole. According to the high-precision adaptive integrated top cover edge longitudinal beam, through the arrangement of the matching grooves, when glass is assembled, the assembling position is reserved through the matching grooves, and compared with an existing longitudinal beam needing two pipelines to be welded in a combined mode, the total splicing welding positions of the top cover edge longitudinal beam structure are reduced, the welding deformation can be reduced, errors caused by manual work can be reduced, and the production efficiency is improved. The precision of glass assembly is improved, the overall precision of the car body top cover is improved, the stability is improved, the overall controllability is higher, and the defects caused by traditional tailor-welding are further overcome.

The present invention provides an adjustable blood vessel fixer, comprising: a binding structure, a fixing structure and a locking structure, wherein the binding structure is a long strip structure; the fixing structure is a square structure, a through hole I is arranged inside the fixing structure, and a through hole II is arranged at the upper wall of the through hole I; the locking structure is a U-shaped sheet structure, and a guide slope is arranged at the front end of the locking structure; the rear end of the binding structure is arranged at the front end of the fixing structure, and the locking structure is arranged in the through hole I. The present invention mainly utilizes the locking structure that can be adjusted to open and close to cooperate with the binding structure, thereby ensuring the locking of the binding while simplifying the volume and operation steps.

The utility model discloses a detachable moss cultivating and sowing integrated device which comprises a ball body which is formed by splicing and used for planting, a plurality of round holes are evenly formed in the surface of the ball body, moss is planted in each round hole, a water injection mechanism is coaxially arranged on the top of the ball body, and a water outlet is formed in the top of the ball body. According to the device, the moss is planted on the surface of the sphere, water and nutrients are continuously supplied through the internal structure, high-quality cultivation of the moss is guaranteed, and the moss can be conveniently and rapidly cultivated; the device can be used for sowing spores when rolling, is simple in structure, attractive, practical, easy to operate and suitable for moss cultivation and sowing of moss spores in terrains such as side slopes, can achieve good cultivation and sowing effects, and solves the problems that in traditional moss cultivation, the process is tedious, no adaptive cultivation and sowing device exists, and efficiency is low.

The invention relates to a ventilation device (2) for ventilating an interior of a motor vehicle. The invention relates to a ventilation duct (4) having an outflow opening (6) with a width (B) and a height (H), a plurality of vertical webs (8) arranged in the ventilation duct (4) for deflecting an air flow (L) in a horizontal direction (HR), an upper horizontal web (10a) and a lower horizontal web (10b) arranged in the ventilation duct (4) for deflecting an air flow (L) in a vertical direction (VR), the upper and lower horizontal flaps (10a, 10b) can be rotated within the ventilation channel (4) about an axis of rotation (D) and can be moved along a movement axis (V) arranged perpendicular to the axis of rotation (D).

The utility model relates to an anti-backfire drying gun special for a fire board machine, and belongs to the technical field of stone machining equipment. According to the special drying gun for the fire board machine, the mixed rectifier, the mixed gas main guide pipe, the U-shaped shunt pipe and the drying gun nozzle are combined to form the special drying gun for the fire board machine with the three-fork structure, and the rectifying part and the mixing part are in clearance fit to form the inclined combustion channel matched with the second cavity and the first cavity which are located in the front and the rear respectively. High pressure can be formed to prevent mixed gas backflow caused by negative pressure, the backfire phenomenon can be prevented, the mixing rectification efficiency can be improved through the inclined structures of the combustion channel and the oxygen channel, then split-flow injection can be conducted through the U-shaped split-flow pipe, the overall sealing effect is good, disassembly and assembly are convenient, and the practicability is high. Therefore, not only can the combustion efficiency be ensured, but also the safety can be ensured.

The utility model belongs to the technical field of food processing, and discloses a food processing machine with a good noise reduction effect, which comprises a machine body, a cup body assembly arranged in the machine body and provided with a crushing cavity, a crushing device arranged in the crushing cavity, and a motor assembly arranged below the cup body and in transmission connection with the crushing device, the motor assembly is arranged in the machine body below the mounting cavity, the cup body assembly is detachably arranged in the mounting cavity, the machine body is further hinged to a cover body, and the cover body can cover the top opening of the mounting cavity so as to seal the cup body assembly in the mounting cavity. The cup body assembly is located in the installation cavity, noise generated in the cup body assembly can be repeatedly rebounded in the installation cavity, so that the energy of the noise is greatly reduced, the volume of the noise spread outwards is reduced, the noise reduction effect is improved, the cup body assembly can be detached relative to the machine body, meanwhile, the working noise can be greatly reduced, and the noise reduction effect is improved. And the light-tone use experience of consumers is met.

The utility model relates to the technical field of pipe bending devices, in particular to an automobile armrest pipe bending device which can improve machining efficiency, guarantee machining precision and reduce damage to pipe fittings. Comprising a main body support independently arranged on the ground; the feeding mechanism is horizontally arranged on the main body bracket in a sliding manner and is used for fixing the pipe fitting and pushing the pipe fitting; the bending mechanism is arranged on the main body bracket and is used for bending the pipe fitting; the bending mechanism comprises a mounting base which is arranged on a main body support in an up-and-down sliding mode; the demolding assembly is arranged on the mounting base, assists in bending machining of the pipe fitting and assists in demolding of the pipe fitting after machining; the bending shaft is vertically and rotatably arranged on the mounting base; the bending shaft is fixedly sleeved with the first movable die, the first movable die is driven by the bending shaft to rotate and used for bending the pipe fitting, and the bending shaft is driven by a motor to rotate; and the second movable die is fixedly arranged on the bending shaft in a sleeving manner, is arranged above the first movable die and is driven by the bending shaft to rotate.

The dielectric filter provided by the present invention provides a negative coupling groove at the connection position of two dielectric resonator bodies, and the negative coupling groove is a step-shaped blind groove formed by the shallow blind groove and the deep blind groove intersecting each other, so that the shallow blind groove has an opening on the upper surface of the dielectric filter body, the shallow blind groove also has an opening on the front surface and / or the rear surface of the dielectric filter body, the deep blind groove has an opening only on the upper surface of the dielectric filter body, and the groove depth of the deep blind groove in the vertical direction is greater than the groove depth of the shallow blind groove in the vertical direction. Capacitive coupling between the two dielectric resonators can be achieved through the negative coupling groove, the shape and precision of the negative coupling groove change little when the ceramic material is sintered at a high temperature, the electrical performance is stable, and due to the existence of the shallow blind groove, the volume of the negative coupling groove accounts for a small proportion in the entire dielectric filter, the structural strength is good, and the yield rate is high; the present invention also provides a radio transceiver, which includes the dielectric filter.

The invention provides a dynamic power-up conductive structure suitable for a hypersonic velocity rocket sled test, and mainly solves the problems that a conventional conductive column structure cannot bear a strong load and fails, and a dynamic power-up function cannot be realized. The scheme adopted by the invention comprises a fan-shaped conductive column, a vertical plate, an insulating embedded plate and a mounting seat, the fan-shaped conductive column is installed in the insulation embedded plate in an embedded mode, a binding post through hole in the center and four installation stud through holes in the periphery are reserved in the installation base, and the four studs on the conductive column are matched with the nut, the insulation sleeve and the gasket, so that the conductive column and the insulation embedded plate are fixedly installed on the installation base. The conductive column and the sledge body are insulated while the conductive column and the sledge body are fixedly connected. A novel structural design and a light material are adopted, the problems of the structure, quality, strength and reliability of an existing conductive column in a hypersonic speed test scene are systematically solved, and the hypersonic speed use requirement is met.

The utility model relates to a radar image acquisition device. The method is used in spaceflight testing field. Comprising an FPGA chip, a data storage circuit, an FPD-LINK image transceiver circuit, a USB interface circuit and an Ethernet interface circuit. The data storage circuit is connected with the FPGA chip; the FPD-LINK image transceiver circuit is connected between the FPGA chip and the radar equipment, and a radar image acquisition and self-test access is established between the radar equipment and the FPGA chip; the USB interface circuit and the Ethernet interface circuit are respectively connected between the FPGA chip and the upper computer; and a data transmission path is established between the FPGA chip and the upper computer. The device adopts an independent test box structure, is small and exquisite in shape and convenient to carry, and adapts to internal and external field tests and maneuverability requirements.

The utility model relates to an anti-backfire torch combustion device, and belongs to the technical field of stone machining equipment. According to the utility model, the second chamber and the first chamber which are respectively positioned at the front part and the rear part are formed through the clearance fit of the rectifying part and the mixing part, and the inclined combustion channel is arranged to be connected with the combustion chamber, so that high pressure can be formed in the first chamber and the second chamber to prevent mixed gas backflow caused by negative pressure; according to the utility model, the combustion channel and the oxygen channel are communicated, the backfire phenomenon can be prevented, the inclined structures of the combustion channel and the oxygen channel can improve the mixing rectification efficiency, and the design of the conical step, the sealing element, the positive and negative threads and the like can further ensure the overall sealing effect, so that the combustion efficiency and the safety can be ensured.

The invention relates to a peristaltic pump for conveying a fluid in a device for extracorporeal blood treatment, comprising a pump housing in which a rotor which can be rotated about a rotor axis is accommodated and which has at least two pressing elements which are offset from one another in the circumferential direction, the pump housing has a support surface extending in an arc shape about the rotor axis and spaced radially from the rotor, the support surface being provided for supporting a hose segment that can be introduced radially between the rotor and the support surface. The rotor carries the pressing element via a rocker arm, which is fixed on the rotor in a pivotal manner and in a spring-loaded manner. The rocker arm itself carries an introduction aid by means of which the hose segment can be pressed into the pump bed during the penetration thereof, and a hose guide element by means of which the hose segment can be oriented centrally relative to the pressing element. The rocker arm consists of high-strength stainless steel with high chemical stability and is produced in a powder injection molding process, preferably in a metal injection molding process.

The present application relates to the technical field of steel smelting, and in particular to a method for controlling the particle size of inclusions; the method comprises: adding a first alloy to molten steel tapped from a converter for preliminary deoxidation to reach a first target dissolved oxygen content, thereby obtaining a first deoxidized molten steel; adding a second alloy to the first deoxidized molten steel for final deoxidation to reach a second target dissolved oxygen content, thereby obtaining a second deoxidized molten steel; refining and degassing the second deoxidized molten steel, and then feeding a magnesium-containing metal; wherein the deoxidation capacity of the first alloy is less than the deoxidation capacity of the second alloy; the first target dissolved oxygen content is 50ppm to 150ppm in terms of parts per million, and the second target dissolved oxygen content is 1ppm to 3ppm in terms of parts per million; performing preliminary deoxidation using the first alloy having a relatively weak deoxidation capacity, and controlling the target oxygen content of the preliminary deoxidation to be 50ppm to 150ppm, and then performing final deoxidation using the second alloy having a relatively strong deoxidation capacity, and finally adding the magnesium-containing metal to the molten steel to achieve control of large-sized inclusions.

The invention provides an electronic brake pedal, and belongs to the technical field of vehicle electric brake systems. The problem that an existing electronic brake pedal is insufficient in braking safety is solved. The electronic brake pedal comprises a shell, a magnetic field sensor and a magnet capable of being sensed by the magnetic field sensor, a plate body is hinged to the top end of the shell, a push rod capable of sliding up and down is arranged in the shell in a penetrating mode, an elastic piece enabling the top end of the push rod to abut against the plate body is connected to the push rod, and a mounting base is fixedly connected to the push rod. A concave integrated block is fixed in the shell, the integrated block comprises two convex lugs which protrude towards the mounting seat and are distributed in the circumferential direction of the push rod, at least one convex lug is fixedly provided with a magnetic field sensor, the mounting seat is provided with a convex induction part inserted between the two convex lugs, the magnet is fixed on the induction part, and the magnetic field sensor is fixed on the magnetic field sensor. And the elastic piece is positioned below or above the mounting seat. According to the electronic brake pedal, the braking safety is improved.

The utility model relates to the technical field of aluminum profiles, and provides a sunlight room main beam structure which comprises a main beam sleeve, an opening is formed in the middle of the main beam sleeve, a U-shaped groove is formed in the main beam sleeve, a main beam is installed on the inner side of the U-shaped groove, clamping grooves are symmetrically formed in the two sides of the main beam sleeve, and clamping grooves are formed in the clamping grooves. The two sides of the main beam sleeve are connected with connecting plates in a clamped mode through the clamping grooves, hanging lugs are installed on the inner sides of the two connecting plates, the upper ends of the two hanging lugs extend inwards and are provided with reinforcing plates, and the reinforcing plates are connected to the upper surface of the main beam in a lap joint mode. The design style of the main beam sleeve adopts the limiting design of bilateral symmetry, simple structure, beautiful appearance and strong wind, the convex point I and the convex point II, the connecting plate is convenient to mount and dismount, the cost is saved, the structure is practical and convenient, the maintenance is more convenient, the whole main beam does not need to be dismounted, the structure is reasonable, the design of a beam is met, the bearing capacity is good, and the service life is long. And the profile is light, strong in firmness and good in stability.

The utility model provides a kind of earphone device, earphone device includes: earphone component, earphone component includes connecting main body and hanging ear component, connecting main body has oppositely arranged first end and second end, hanging ear component is arranged at the first end of connecting main body, and speaker is arranged in hanging ear component;Microphone rod, one end of microphone rod is spherical hinged with the second end of connecting main body, and microphone rod and connecting main body are detachably connected. Through the technical scheme provided by the utility model, the problem that the microphone rod of the earphone in the prior art is mostly designed with a fixed angle, limiting the user's ability to flexibly adjust the position of the microphone according to actual needs, resulting in poor sound pickup quality, can be solved.

The utility model relates to a roller transmission case which is not provided with a reversing mechanism but can achieve reversing, and belongs to the field of harvester roller transmission. Comprising an input shaft assembly, a one-shaft assembly, a multi-gear power transmission mechanism, an output shaft assembly, a plurality of gear shifting control mechanisms, an idle wheel assembly, a reverse gear assembly and a shell. The two ends of the input shaft assembly are connected with the first shaft assembly and an external power and transmission mechanism respectively, the first shaft assembly is connected with the multi-gear power transmission mechanism and the reverse gear assembly, and the gear shifting control mechanism is installed on the first shaft assembly in a sliding mode. The gear shifting control mechanism is arranged in the multi-gear power transmission mechanism and between the multi-gear power transmission mechanism and the reverse gear assembly, the output shaft assembly is connected with the multi-gear power transmission mechanism and the reverse gear assembly, the output shaft assembly is connected with the roller, and an idle wheel assembly used for achieving reverse rotation of the roller is installed on the reverse gear assembly. According to the utility model, the harvesting and threshing operation speed of different grain crops can be met, and blockage can be cleaned through reverse rotation when the roller is blocked.

The invention provides a light control system, method and equipment, and relates to the technical field of mining explosion-proof electrical equipment. The light control system comprises a power supply conversion device, a power supply distribution device and an intrinsic safety electrical device which are connected in sequence, the intrinsic safety electrical device comprises a plurality of intrinsic safety electrical units, and each intrinsic safety electrical unit is connected with the power supply distribution device; the power supply conversion device is used for converting non-intrinsic safety direct current into intrinsic safety direct current when receiving the non-intrinsic safety direct current and transmitting the intrinsic safety direct current to the power supply distribution device; the power supply distribution device is used for determining the intrinsically safe electrical subunits needing power supply according to the working mode of the light control system and transmitting the intrinsically safe direct current to the corresponding intrinsically safe electrical subunits; the intrinsic safety electrical unit is used for carrying out light control when receiving the intrinsic safety direct current. According to the invention, the flexibility of the system is improved, and the power distribution is more accurate.

The utility model belongs to the technical field of glove packaging equipment, concretely relates to a glove automatic folding device, including folding frame, packing frame and the transmission mechanism that sets up between packing frame and folding frame, the operating platform of disc structure is rotatively connected on the folding frame, the vertical folding mechanism of longitudinal is equipped with above operating platform, the horizontal folding mechanism that cooperates with longitudinal folding mechanism is equipped with in operating platform side and below it, the output of horizontal folding mechanism is equipped with clamping assembly, clamping assembly sets up on transmission mechanism and removes to the packing station of packing frame from the output of horizontal folding mechanism through transmission mechanism drive. The utility model has realized the whole process automation continuous production of glove from folding to packing, does not need manual intervention, has improved production efficiency greatly, has solved the problem of low efficiency that traditional equipment still needs manual removal glove to packing station after folding completion.

The invention discloses a center-perforated annular ceramic capacitor, which relates to the technical field of sensors. The annular capacitor is formed by sintering a ceramic base and a ceramic reaction diaphragm. The axes of the ceramic base and the ceramic reaction diaphragm are both provided with through holes, which provide assembly paths for circuit elements to be combined, so that the annular capacitor can be more conveniently integrated into the complex circuit of a temperature-pressure sensor, and the overall structure of the temperature-pressure sensor including the circuit and the sealing structure is simplified, so that the temperature-pressure sensor has an automatic assembly structure, and the production and assembly cost is reduced; the first annular circuit and the second annular circuit of the annular capacitor design have a higher initial value and a wider variation than a circular ceramic capacitor without a center through hole, so that the annular capacitor has a wider range and a finer pressure perception classification, thereby improving the accuracy of pressure measurement.