37results about How to "No volume" patented technology

An integrated spectral detector with miniature Fabry-Perot cavity array has lighting system, photoelectric detector array and miniature Fabry-Perot cavity array between them. Said Fabry-Perot cavity array is composed of the cavities and the reflecting membranes coated on both sides. Each cavity length is correspondent to a particular wavelength. The parallel light beams pass through said cavity array to generate relative electric spectrum signals on the photoelectric detector array. After computer processing, a spectrogram is obtained. Its advantages are high light flux, sensitivity and resolution, small size and low cost.

The invention discloses a spatial light beam compression multichannel imaging optical system with a large field of view. The system comprises an off-axis three-mirror light beam compression afocal telescopic system, a second replicating mirror (5), a first color separation filter (6), a second color separation filter (7), a visible and near infrared relay lens group (8), a visible and near infrared focal plane device (9), a short wave relay lens group (10), a short wave focal plane device (11), a long wave relay lens group (12) and a long wave focal plane device (13), wherein the afocal off-axis three-mirror light beam compression optical system comprises a primary mirror (1), a secondary mirror (2), a first replicating mirror (3) and a third mirror (4). A target radiating light beam is compressed by the afocal off-axis three-mirror light beam compression optical system, emergent parallel light beams pass through the color separation filters and enter following visible and near infrared channel, medium wave channel and long wave infrared channel, and images are formed on focal planes of the channels by the relay lens groups of the channels. The optical system has the advantages that the optical system is large in field of view and relative aperture, wide in spectral range and easy to machine, assemble and adjust, and the like.

The invention provides an electromechanical servo comprehensive control and energy source management device, which is used for servo motor control and energy source management, and comprises a microprocessing circuit, detecting circuits, a signal conversion circuit, an isolation driving amplifying circuit and an energy source management circuit, wherein the detecting circuits comprise a first voltage detecting circuit, a first current detecting circuit, a second voltage detecting circuit and a second current detecting circuit. The electromechanical servo comprehensive control and energy source management device provided by the invention has the advantages that the comprehensive management of absorption and release of energy sources can be realized, in addition, the system composition is simplified, the system weight is reduced, and meanwhile, the self test of an electromechanical servo system can be realized.

The invention discloses a rotary transformer for a real-time monitoring system of an airplane tire pressure. A stator winding stainless steel framework is a hollow cylinder; a stator winding is wound on the outer wall of the stator winding stainless steel framework; a stator iron core is a cylindrical structure coated outside the stator winding stainless steel framework and the stator winding; lug bosses are respectively formed at axial two ends of the stator iron core; a rotor iron core has a hollow cylindrical structure; a rotor winding is wound on the outer wall of the rotor iron core; lug bosses are respectively formed at axial two ends of the rotor iron core; a rotor winding stainless steel sleeve is coated on the outer sides of the rotor winding and the rotor iron core; a rotor winding stainless steel sleeve is nested in the stator winding stainless steel framework; and the rotor winding stainless steel sleeve is not contacted with the stator winding stainless steel framework. The rotary transformer can be processed into any shape as required and has the advantages of easy processing, easy installation, capacity of reducing size and weight, breaking-free property, high reliability and capacity of ensuring conformity of electrical character.

The invention provides a real-time monitoring system for linear motors with dual networks. The monitoring system includes a three-layer structure of a monitoring management layer, a process control layer, and a device-oriented layer. The monitoring management layer includes: an ejection server, a monitoring workstation, a command workstation, and a process The control layer includes programmable automation controllers, redundant hot standby controllers, and network communication modules, and the device-oriented layer includes network communication modules, distributed I/O, and sensor networks for linear motors. Among them, a dual-network structure is adopted between the monitoring management layer and the process control layer. Both the control network and the health monitoring network use 1000Mbps optical fiber Ethernet. The control network transmits control commands and control feedback signals or comprehensive health status signals, and the health monitoring network transmits a large number of sensors. Monitoring data, dual networks work in isolation from each other. The process control layer and the device-oriented layer adopt 100Mbps Ethernet communication. The system is a real-time monitoring system of linear motor system that meets the requirements of real-time, reliability and maintainability.

The invention relates to three types of static state high efficient generators. The three types of novel generators have no rotary movement parts because the generators are transformed and innovated based on transformers. In the static state generators, closed magnetic circuits are mainly formed by iron cores. Input coils and output coils respectively sleeve two iron core columns. In order to achieve the purpose that an output electric power is greater than an input electric power, the input coils of the static state generators are in parallel with resonant capacitors and in series with the resonant capacitor, and the mode of alternate absorption and closure of an alternate electromagnetic flux generated by the input coils and fixed different magnetic poles is employed, and the static state generators match up a rechargeable battery, an inverter, an intelligent controller and a rectifier to form an independent static state generation system. By using the static state high efficient generators, the non-pollution and zero discharge can be achieved, and inexhaustible electric energy can be supplied for various electric devices which need the electric energy.

The invention discloses a gear-shifting device of a mini-tiller. A reverse gear is fixedly sleeved on a second locating shaft, a forward gear is fixedly sleeved on a first locating shaft, and a driving gear is slidingly sleeved on a gear-shifting shaft. A declutch shift shaft is fixed in a transmission case body, a gear-shifting fork is sleeved on the declutch shift shaft, a clamping foot of the gear-shifting fork is jointed with the driving gear in a clamped manner, and the gear-shifting fork can slide on the declutch shift shaft. A teeth row is fixed on the gear-shifting fork, the teeth row is meshed with sector teeth, the sector teeth are fixed with the inner end of a rotating shaft, the rotating shaft is arranged on the transmission case body in a penetrating manner, and the outer end of the rotating shaft is fixed with a control arm. According to the matching of the sector teeth and a fluted disc, the gear-shifting fork is moved by the gear-shifting device, so that one gear-shifting fork and one declutch shift shaft can realize the gear-shifting action, the gear-shifting fork can be effectively located on the declutch shift shaft so as to completely eradicate the phenomenon of putting into wrong gear, the internal structure of the transmission case is simplified, and the production cost of the mini-tiller transmission case is greatly reduced; and the mini-tiller gear-shifting device provided by the invention has the advantages of simple structure, easiness in assembling, good reliability, convenience in operation and the like.

The invention provides a direct-current (DC) converter comprising a voltage division unit and a conversion circuit. The conversion circuit comprises a first switch unit, a second switch unit, an inductor unit, a first one-way conductive unit, and a second one-way conductive unit. The inductor unit comprises a control module and at least two switched inductors. The control module is used for making the at least two switched inductors connected in parallel between a positive-phase conversion voltage output end and a negative-phase conversion voltage output end when the first switch unit and the second switch unit are both switched on, and making the at least two switched inductors connected in series between the positive-phase conversion voltage output end and the negative-phase conversion voltage output end when the first switch unit is switched on and the second switch unit is switched off or when the second switch unit is switched on and the first switch unit is switched off. According to the invention, the requirement of the circuit for the ability to bear the stress at the two ends of a switching device is lowered while the voltage gain is increased, and the problem of efficiency decrease or circuit size and cost increase is not caused.

The invention discloses a filler for processing a junked pipeline and a harmless treatment method for the junked pipeline, and relates to the technical field of junked pipeline processing. Specifically, the filler is prepared from the materials in parts: 10-100 parts of activated sludge, 20-50 parts of cement and 5-50 parts of solid matrix. According to the embodiments of the filler and the harmless treatment method, the junked pipeline is filled by using the filler rich in organic matters, soil fertility is not affected, after the pipeline is solidified, the compressive strength is higher than the soil compressive strength and lower than the compressive strength of existing solidified slurry, the size is not shrunk, no ground collapse appears, and the stability of ground surface bearing materials is not affected.

This invention relates to a rotary vane pump includes a rotor, a shell, medium inlet, medium pump outlet, in which, a screw slot is on the rotor, a screw rotary vane is inserted on the slot with follower slecve between the shell and the vane, the spindle nose of the rotor and the screw vane central line are of off-center structure. This invention has advantages of mechanicam pumps.

A paint slag treatment device is disclosed. The paint slag treatment device has the advantages of compact structure, easy use, high paint slag treatment efficiency and no residue. The paint slag treatment device includes a paint slag absorption device, a paint slag scraping device, a paint slag collection device and a dosing device; the paint slag scraping device includes scraping pool, a water inlet pipe, a water outlet pipe, a scraper device, a scraper drive device and a discharge hopper. The scraper drive comprises a hollow cylindrical slide rail arranged transversely on the upper part of the scraping pool, a telescopic mechanism arranged in the slide rail, and a scraper plate arranged at the head of the telescopic mechanism and perpendicular to the telescopic mechanism. The slide railis respectively provided with a track on the bottom and the side of the slide rail, the tracks are parallel to the bottom of the scraping pool, and two quadrant-shaped inner rails are arranged on theinner sides of both ends. One end, away from the telescopic mechanism, of the scraper plate is arc-shaped. The dosing is performed three times in three places, so that paint slag treatment is very thorough, and no waste paint is left in water. The scraper plate with the arc-shaped end can scrape paint slag thoroughly and completely.

A rapid sample preparation method of young plants for scanning electron microscopy includes the following steps: taking a fresh plant material and soaking the fresh plant material in FAA fixative solution for more than 24h; dehydrating the fixed material with a graded series of alcohol; and gradually placing the dehydrated material in a reagent prepared from anhydrous ethanol and a pure TO transparent agent in different proportions for transparency. In each step of dehydration and transparency, air is pumped for 20 minutes by a vacuum air pump, and the material is allowed to stand for 30 minutes under indoor natural conditions. After the last air pumping, the material is taken out of the pure TO transparent agent and put in a culture dish for standing until the TO transparent agent in thematerial volatilizes completely, and then, the material can be put under a scanning electron microscope for observation. The method can better maintain the cell morphology of different plants, including mature and tender tissues.

The invention discloses a current sensor based on an alloy resistor and an implementing method thereof. The current sensor comprises the alloy resistor, a voltage measuring unit, a power supply unit, a controller and a communication unit, wherein the alloy resistor is serially connected with a to-be-measured circuit, the voltage measuring unit is used for measuring the voltage at the two ends of the alloy resistor and sending the voltage value to the controller, the controller is used for calculating the current value of the measured circuit and outputting according to the resistance value of the alloy resistor, the power supply unit is used for supplying power for the voltage measuring unit, the controller and the communication unit, and the communication unit is used for the remote outputting of the controller. When the controller sends measured data to a far end or a background, the measured data is transmitted through the communication unit. Compared with an existing current transformer, the current sensor has the advantages that the temperature drift is avoided, the mechanical vibration-resistant performance is realized, the frequency characteristic is good, the alternating current and the direct current are universal, the size is small, the assembly is realized, and the like.

The invention relates to an oral implantation surgery augmented reality navigation method and system. To-be-navigated virtual information is projected on AR glasses in a virtuality and reality combination mode after a dentist wears the AR glasses, counterpoint display is directly carried out in an operation region in a three-dimensional mode, and the obtaining habit of human natural visual information is met; the dentist does not need to splice a two-dimensional screen image and the intraoral condition of a patient in the brain in real time, the dentist is assisted in carrying out a high-precision oral implantation surgery, the risk is low, an implantation guide plate, an invasive marking nail and the like do not need to be used, the patient cannot be injured, and the problems that the implantation guide plate is too large in machining error and size and the like do not exist.

The invention discloses a stator coreless permanent magnet linear motor for electromagnetic boosting. The stator coreless permanent magnet linear motor comprises a stator and a mover, the stator has acoreless structure, and the stator is symmetrically placed at the outer side of the mover. Through improvement of the arrangement mode of the stator structure and a permanent magnet in the mover, theaction of winding magnetic fields at two sides is enhanced, and the stator coreless permanent magnet linear motor has a two-way magnetic gathering capability so as to improve the linear motor gap flux density, increase the motor thrust density and improve the output electromagnetic force. The stator coreless permanent magnet linear motor for electromagnetic boosting is simple in structure, high in motor efficiency and low in electromagnetic noise, can perform short-time output of the enough large electromagnetic force for electromagnetic boosting and has low weight.

The invention relates to a dustproof plastic granulator. The dustproof plastic granulator comprises a main body and a granulating device, and further comprises a crushing mechanism and two dustproof mechanisms, wherein each dustproof mechanism comprises a dustproof plate, a torsion spring, a fixing assembly and a magnet plate; and the crushing mechanism comprises a filter screen, a rotating box, a motor, a knocking assembly, a vibrating assembly, two driving assemblies and a plurality of blades. According to the dustproof plastic granulator, a dustproof function is realized through the dustproof mechanisms, so that external dust cannot fall into a feeding box, the dustproof function is realized, the feeding box is prevented from being polluted by dust to pollute raw materials, the influence on the quality of finished products is avoided, and the reliability of equipment is improved; and the crushing function is realized through the crushing mechanism, so that the volume of the raw materials is reduced, the raw materials can be stirred more fully after entering the main body, the stirring effect can be improved, and the quality of the finished products can be improved.

The invention belongs to the field of high-speed rotating cooling machines, and particularly relates to an integrated high-speed rotating cooling machine. The integrated high-speed rotating cooling machine comprises a housing body, a housing cover and a rotating shaft, wherein the housing cover and the cylinder wall of a large-caliber section of the housing body are enclosed to form an accommodating space for accommodating a rotating target film assembly; the rotating target film assembly comprises a rotating cavity and a target film; the rotating cavity is coaxially sleeved with the housing body and is provided with a small-diameter section; the small-diameter section is sleeved with an air bearing, so that the small-diameter section and a small-caliber section form a coaxial rotary fit; the rotating shaft is in a coaxial rotary fit on the housing cover through a rolling bearing in a manner of a simply supported beam; a shaft end of the rotating shaft extends towards a target surface of the target film along the axis of the target film and the shaft end of the rotating shaft and the target surface of the target film form a fixed connection fit; and the diameter of the rotating shaft is smaller than the outer diameter of the small-diameter section of the rotating cavity. The integrated high-speed rotating cooling machine has performance advantages of a large-shaft diameter cooling machine and a high-rotating speed cooling machine, can achieve the high-speed rotating target and can bear certain radial force and axial force.

The invention provides a preparation method of an anti-sticking casting sand, wherein raw materials contain montmorillonite powder, aluminum silicate fiber and common molding sands, wherein, the weight ratio of each component is 5 to 10 portions of montmorillonite powder, 5 to 15 portions of aluminum silicate fiber and 70 to 100 portions of common molding sands. The preparation method comprises a single step that the components are mixed up according to the ratio. Compared with the prior art, the preparation method of anti-sticking casting sand has the advantages of extensive source of raw materials, simple processing technology, low cost, little ignition loss, high reusability, almost no gas of coating, environmental friendliness, good anti-sticking effect, superior processing property, etc, and has high economic benefit and high popularization value.