66results about How to "Limited volume" patented technology

The invention relates to an emergency traction system applied to urban mass transit. The system comprises a power supply network, an auxiliary system of an urban mass vehicle, a main traction invertor, a traction motor, a power conversion device, an energy storage component and a master controller; the output end of the power supply network is connected with the power conversion device, the main traction invertor and the auxiliary system of the urban mass vehicle respectively; one end of the energy storage component is connected with the high-voltage side of the power supply network, and one end of the energy storage component is connected with the power supply network; the high-voltage side of the power conversion device is connected with the main traction invertor and the auxiliary system of the urban mass vehicle, and the low-voltage side of the power conversion device is connected with the energy storage component; and the traction motor is connected with the output end of the main traction invertor, and drives a train to run; and the power supply network, the auxiliary system of the urban mass vehicle, the main traction invertor, the traction motor, the power conversion device and the energy storage component are connected with the master controller through a communication bus. The system is suitable for high voltage grades, has a smaller volume and long service life, is high in reliability, and wide in an application range, and can be controlled flexibly, the traction load and distance are larger; and time of return on investment is short.

The present invention provides a method for preparing a metal-organic framework compound by using a Co-containing metal-organic framework compound (Metal-Organic Framework, the invention relates to acomposite material formed by loading one-dimensional rod-like Co3V2O8 on a porous carbon box (PCB) obtained by MOF pyrolysis, a preparation method of the composite material and an application of the composite material in a lithium ion battery negative electrode material. The preparation method disclosed by the invention comprises the following steps: preparing a zeolite imidazate skeleton-67 (Zeolitic Imidazolate Frameworks-67, ZIF-67) with a controllable morphology; the preparation method comprises the following steps: taking Co3V2O8 as a template precursor, carrying out high-temperature pyrolysis, carrying out acid pickling to remove Co, carrying out ultrasonic dispersion on the obtained porous carbon box in a solution, carrying out self-assembly by taking the porous carbon box as an internal skeleton through a hydrothermal process, and adhering Co3V2O8 to the surface of the porous carbon box and embedding Co3V2O8 into pores to form the composite material. The whole experiment process does not generate toxic and dangerous substances, the operation is simple and easy to implement, the Co3V2O8-coated PCB has a high specific surface area and a porous structure, the multiplying powerand the cycle performance of the lithium ion battery are effectively improved through the synergistic effect of the composite material, and the Co3V2O8-coated PCB is an excellent lithium ion batterynegative electrode material.

The invention discloses a disposable lock with packaging system, comprising a hollow lock body and lock beam fastening the lock body; wherein the lock body is composed of one part and one-step moldingis realized, and the lock body is internally provided with a fastening device realizing disposable matching closure with at least one end of the lock body; the top of the lock body is opened with anopening, the opening is sealed by a lock cover in fit installation with the lock beam, the bottom or the side part of the lock body is provided with a through groove communicated with the cavity of the lock body, and the through groove is sealed by the packaging system. The disposable lock adopts the structure, the lock beam can penetrate rope, iron chain and the like to be locked with the lock body and then hung; and meanwhile little notes, little presents and the like can be placed into the lock body for blessing. As the fastening device of the disposable lock is realized by relatively simple fastening of bayonet and block groove, technology is simplified; and the disposable lock structure of the invention is simpler and is easy to produce, cost is low, and closure effect is firm.

The invention discloses a method for converting data format between IP data packages on a CAN bus and CAN messages, comprising the steps of: (1) virtualizing a CAN interface: while registering a CAN device in a system, registering according to the standard format of a registered Ethernet interface; while defining an input / output interface module, using a custom IPoverCAN processing interface for interacting with a network layer and the CAN device; and (2) sending IP messages and receiving CAN messages: while sending IP messages, invoking a Socket interface used by the Ethernet interface, and invoking to an IPoverCAN module after invoking layer by layer by the system; while receiving the CAN messages, placing the CAN messages from the same source address in the same IP packet buffering area, and submitting to an upper layer until a complete IP packet is assembled. In the invention, a hardware structure is simplified, the application range is expanded, and the upper layer application is wider so that the processing of data and application programming by the upper layer is convenient by abstracting the CAN device to be an Ethernet interface.

A differential pulse detecting apparatus for terahertz wave time domain information and a differential pulse detecting method are provided. The apparatus includes a femtosecond laser generating unit with a certain repetition frequency, a beam splitting unit, a terahertz pulse generating unit, a unit containing a sample to be detected, a terahertz pulse collecting unit, a detecting laser pulse focusing unit, a detecting unit, a spatial light modulation unit and a terahertz pulse reduction unit. As the spatial light modulation unit can regulate the spatial optical path difference between a terahertz pulse and a detecting laser pulse, the difference between the terahertz pulse and the detecting laser pulse simultaneously reaching the detecting unit is an integral multiple of an adjacent pulse interval, and therefore the method can regulate the optical path difference in real time according to the size of a detected object under a condition that a whole optical path system is determined, a design of the overall system is not limited to the size of the detected object, and limitation of traditional terahertz time-domain spectroscopy systems on the size of the detected object is got rid of.

The invention discloses a hydrocarbon conversion catalyst regeneration burning method and a regenerator burning area structure, and solves the problems that a hydrocarbon conversion catalyst burning area has a temperature runaway risk and the like in the prior art. The method comprises the following steps of: introducing a catalyst to be regenerated into a radial catalyst moving bed burning area by means of gravity, contacting oxygen-containing regeneration gas, and burning carbon deposit on the catalyst; and introducing into a chlorine oxidation area under the action of gravity, wherein a catalyst moving bed in the burning area is provided with a quick firing section, a transition section and a superheat section from top to bottom in turn; and the thickness ratio of catalyst beds in the quick firing section and the superheat section is 0.25-1 and the height ratio is 1-8.

The invention is a computer-implemented method for defining a supporting structure (2) for a three-dimensional object (1) to be produced through a stereolithography process. The method comprises the following operations: defining a first surface (3) to be supported of the three-dimensional object (1) and a second surface (4) facing the first surface (3); defining elongated supporting elements (5) between the surfaces (3, 4); defining pairs of supporting elements (5); for each pair of supporting elements (5), defining an elongated reinforcing element (6) connecting the two supporting elements (5) of the pair. The definition of the pairs of supporting elements (5) comprises the following operations: defining a reference point (7) of each supporting element (5); defining a connected acyclic graph (8) having as vertices the reference points (7); for each edge (9) of the graph, defining one pair of supporting elements comprising the two supporting elements (5) corresponding to the ends of the edge (9). The definition of the pairs of supporting elements (5) comprises the further operation of defining an additional pair of supporting elements for each vertex having order 1 of the connected acyclic graph (8), the additional pair comprising a first supporting element (5) corresponding to the vertex having order 1 and a second supporting element (5) not connected to the first supporting element (5) through any edge (9).

The invention discloses a coke-burning method for hydrocarbon conversion catalyst regeneration and a structure of a coke-burning area of a regenerator. The invention solves the disadvantage of the temperature jump risk in a coke-burning area of a hydrocarbon conversion catalyst in the prior art. The method comprises the following steps: allowing a catalyst to be regenerated to enter a coke-burning area of a radial catalyst moving bed under gravity, allowing the catalyst to contact an oxygen-containing regenerating gas and burning out coke deposits on the catalyst, and allowing the catalyst to enter a chlorine oxidation area, wherein the coke-burning area of the catalyst moving bed comprises an inner screen and an outer screen; the lower diameter is larger than the upper diameter of the outer screen; the upper and the lower parts of the outer screen are connected by a conical structure; the outer screen with different diameters and the inner screen forms, from up to down, an upper quick-burning section, an intermediate transition section, and a lower overheating section of the coke-burning area; and the thickness ratio of the catalyst bed layers of the quick-burning section and the overheating section is 0.25-1, and the height ratio is 1-8.

The invention relates to a method of obtaining a coagulant product. Characteristically, a raw material is prepared which contains the sludge resulting from the treatment of drinking water and an ore containing iron and / or aluminium, this raw material being subjected to acid attack for the purpose of forming iron salts, aluminium salts or a mixture thereof. This coagulant is employed in the realization of a physicochemical step in the treatment of wastewater and / or industrial effluent.

The invention discloses a 10 kV oil-immersed distribution transformer for sectional coils. The 10 kV oil-immersed distribution transformer comprises an iron core clamping part, an iron core and sectional coil windings, wherein a gap is formed between the iron core and the coil winding, oil passage insulation is arranged, gaps are formed among the sectional coils, and section insulation is arranged. According to the 10 kV oil-immersed distribution transformer, insulation characteristic among the windings and between the windings and the iron core is strengthened, the voltage difference is reduced, the distribution of an electric field is more uniform, and different heat endurance classes of insulating materials are arranged according to different operating temperatures on the top and at thebottom of the transformer, so that the service life of the transformer is effectively prolonged.

The invention discloses an illumination device. Laser light is adopted for irradiating any one wavelength conversion area, obtained stimulated light is reflected by a corresponding reflective cover to be emitted in the set direction, and it is ensured that the emitted light brightness of the illumination device is high due to the fact that a laser light source is high in brightness. Meanwhile, the illumination device is simple in structure, all components of the device are limited in size, and therefore it is ensured that the illumination device is small in size. By means of the semi-airtight fixing way of each reflective cover and a first substrate, it is ensured that simulated light is completely emitted, and light waste is avoided. A control device controls a wavelength conversion device to switch different wavelength conversion areas for receiving laser light, and therefore different light emitting effects of the illumination device are achieved. By optimizing the parameters such as light spots of second simulated light transmitted by the wavelength conversion device and first simulated light reflected by the wavelength conversion device, the different light emitting effects of the illumination device are further achieved, and then applicability and flexibility of the illumination device are improved.

The invention provides a wheel with an inertial accumulator. The wheel comprises the inertial accumulator, a wheel rim and a tyre; the tyre is mounted on the wheel rim, the inertial accumulator comprises an oil bag, metal spiral pipes, pistons and cylinder barrels, each cylinder barrel is arranged between adjacent spokes, the pistons are located in the cylinder barrels to divide the cylinder barrels into nitrogen cavities and oil liquid cavities, the metal spiral pipes are tightly arranged on the outer surfaces of the cylinder barrels in a wound mode, one end of each metal spiral pipe is communicated with the oil liquid cavity of each cylinder barrel, the other end of each metal spiral pipe is communicated with the oil bag, and the oil bag is arranged on an outer circle of the wheel rim. By means of the wheel, resonance in the high-frequency section ranging from 10-15 Hz of the wheel can be inhibited, driving smoothness and driving safety of an automobile are improved, the defects that a power absorption isolator increases unsprung mass, and it is difficult to coordinate the suspension work range are overcome, and the problem that a passive terrace damping vibration isolation system is complex in structure and difficult to arrange is solved.

A device (100; 200) for displaying time information, including: a first mobile (3) including a first toothset (31) and a first disk (32) bearing numerals (33) which are intended to indicate the units of the time information, a second mobile (4) including a second toothset (41) and a second disk (42) bearing numerals (43) intended to indicate the tenths of the time information, and a mechanism (90) for driving the first and second mobiles, the mechanism: including a control mobile (1): including a third toothset (1a) arranged so as to collaborate by obstacle, with the first, toothset, a fourth toothset (1b) arranged so as to collaborate by obstacle, with the second, toothset, a drive wheel (2) including a fifth toothset (2c) designed to collaborate by obstacle, with the third and fourth toothsets.

The invention discloses an intelligent electric power inspection robot with the function of advancing in a narrow space. The robot comprises a working barrel. A mounting platform is arranged at the top end of the working barrel, traveling wheel assemblies are symmetrically arranged on the front and rear of the mounting platform. Each traveling wheel assembly comprises a foot plate, a bracket and a driving motor, and the foot plate and the bracket are fixedly connected to the top end of the mounting platform respectively, a first rotating shaft is rotationally connected to the foot plate, and one end of the first rotating shaft is sleeved with a traveling wheel matched with a track cable. According to the intelligent electric power inspection robot with the function of advancing in the narrow space, a mounting or dismounting structure between each traveling wheel assembly and the track cable is very simple, the whole robot can be mounted or dismounted only by completing the tightening or loosening work of a first fastening nut and a second fastening nut and completing the lifting work of the vertical plate, and operation is very convenient to carry out; and the whole mounting or dismounting structure is limited on the mounting platform of the working barrel and is telescopically controlled, so that the volume of the whole robot can be effectively limited, and the whole robot can conveniently move and work in a narrow cable tunnel.

The invention provides a filter, a SiC traction converter adopting the filter and a parameter design method and a device of the SiC traction converter. The filter comprises a common-mode filter circuit used for reducing common-mode interference current and common-mode voltage of a load end of the filter, and an input end of the common-mode filter circuit is an input end of the filter; a differential mode filter circuit is used for reducing the voltage change rate and the peak voltage amplitude of the load end of the filter, the input end of the differential mode filter circuit is connected with the output end of the common mode filter circuit, and the output end of the differential mode filter circuit is the output end of the filter. the output end of the filter is connected with a load through a connecting line.

A sleep apnea device with bleed for exhaling including a peripheral wall formed with an interior through passage formed with a proximally facing seat, bleed passages in the wall bypassing the seat and a ball to close against the seat.

The invention relates to a buried system (1) for the distribution of goods in urban areas, comprising: at least one micro-tunnel (2) forming at least one loop (7) and extending under the foundations of surface buildings and / or preexisting infrastructure, in which circulate goods the transport of which is automated; and a plurality of stations (4; 6) for exchange with the surface, each comprising ashaft through which the goods can be lowered to the micro-tunnel (2) and brought back up again after having been transported in said micro-tunnel.

The invention relates to a cosmetic product refill (32) for a device for treating the hair that comprises at least one heating element (26; 28), the cosmetic product refill (32) comprising a means for fastening the refill (32) to the device and a cosmetic product applicator element in the form of a sheet, such that the means for fastening the refill is designed to fasten the cosmetic product refill (32) to the device for treating the hair in such a way that a part of the cosmetic product refill (32) is offset laterally with respect to the heating element(s) (26; 28), and such that at least one portion of the applicator element is designed to extend next to the heating element(s) (26; 28). The invention also relates to a device for treating the hair (10) including such a refill.

Device (110) for centring and guiding the rotation of a turbomachine shaft (112), comprising a roller bearing (116) and a ball bearing (114) which are mounted around the shaft and carried respectively by first and second flexible annular supports (120, 118), and an oil film compression damper (139) comprising a rigid annular support (140) arranged around the roller bearing, the supports for the ball bearing and for the damper and the roller bearing being stacked transversely and extending around one another

The invention provides an elevated forest house which can be directly built on bumpy forest land without damaging the surrounding environment and influencing water channels, has the functions of preventing subsidence and resisting wind and rain, and is formed by assembling separated pieces. The elevated forest house is characterized in that pillar sleeves are distributed on a combined floor; pillars are fixed in the pillar sleeves, and inserted into the ground; a house body is mounted on the combined floor; the lower parts of the pillars are tapered, and flat mats are arranged at the tapered lower parts; and mounting holes are distributed in pillar bodies. The combined floor and the house body are assembled to form the elevated forest house.

The invention provides an overweight glass door window pulling system based on spring counterweight. The overweight glass door window pulling system comprises a movable glass sash and moving verticalcolumns which are arranged on one side or the two sides of the movable glass sash and drive the movable glass sash to move up and down; the moving vertical columns comprise sectional material structures, a plurality of counterweight springs and spring force aggregating structures; and the elastic output end of each counterweight spring is fixedly connected to the corresponding spring force aggregating structure, and the spring force aggregating structures are vertically and slidably mounted into the sectional material structures and connected to the movable glass sash in a transmission mode. The multiple counterweight springs simultaneously share the weight of the overweight glass sash, thus gravity is dispersed, the overweight door window sash is pulled, meanwhile, the risk of sudden lowering of the glass sash due to breaking of the single spring is avoided, and thus safety is achieved; and in addition, 0.25-0.4 mm constant-force volute springs are adopted for counterweight, the needof overweight pulling is met under the premise of ensuring the adequate service life, and the advantages of high bearing capacity, safety, long service life and energy saving are achieved.

The invention discloses a tableware storage device. According to the tableware storage device, a storage device body comprises a storage box, a chopstick inserting opening is formed in the storage box, a take-up device and an alcohol cleaning device are arranged in the storage box, the take-up device is connected with one end of each chopstick through a fiber rope, and the alcohol cleaning device is used for disinfecting the stored chopsticks. Public chopsticks and private chopsticks are reasonably distinguished, and the effect of integrated cleaning, disinfection and storage is achieved on the chopsticks.

The invention relates to a vehicular integral type shell structure ballasting body pile-loading method. The vehicular integral type shell structure ballasting body pile-loading method is characterized by comprising the following steps that a, the plane position of a static load test point is determined, the static load test point is used as the center to process a static load foundation; and a steel structural buttress is installed; b, a shell pile-loading body bottom structure is installed, so that a vehicular main beam platform center and the test point are in center coincidence, and a vehicular main beam platform and an integral type steel structural platform jointly form a bottom structure of a shell pile-loading body; c, side plates are installed on the outer edges of the bottom structure; d, a building waterproof layer is built or seepage-proofing water proof materials are installed; e, vertical and horizontal steel plates / sectional materials or steel structural plates are installed; f, a steel structural scissor support and a waist beam are installed; g, the shell pile-loading body is filled until the requirement for the oil-loading capacity is met; h, detection equipment is installed for detecting; i, ballasts are removed, and the shell pile-loading body is moved to a next point; j, the above processes are repeated until the whole static load test project is completed; and k, the shell pile-loading body is removed.

A server system (1) is connected to a number of remote displays (5-7) for messages for broadcasting by a communication network (8). The audiovisual messages (4) received from the server system (1) are made perceptible for the clients (2, 3). The clients can send coded instruction signals (16) to a first access device (5a-7a), located near a display (5-7), by portable client badges (14, 15), which are transmitted to the server system (1) which then establishes a back-up communication (18) with the client (2), for example, through a portable telephone. The client can thus simply establish communication and, when the server system (1) has information specifically concerning the above, the information need not be transmitted over the network.

The invention discloses an illuminating device. After the illuminating device irradiates any wavelength conversion region with laser light, the received light is emitted in a predetermined direction through the reflection of the corresponding reflector. Due to the high brightness of the laser light source, the illumination device is guaranteed The light output brightness is high; and the structure of the lighting device is simple, and the volume of each component is limited, which ensures that the volume of the lighting device is small; through the semi-closed fixing method of each reflector and the first substrate, it is guaranteed that the affected All the laser light is emitted to avoid the waste of light; the wavelength conversion device is controlled by the control device to switch different wavelength conversion regions to receive the laser light, so as to achieve different light output effects of the lighting device, and at the same time optimize the reflection of the wavelength conversion device. The difference in parameters such as the light spot of the transmitted second laser light further realizes different light output effects of the lighting device, thereby improving the applicability and flexibility of the lighting device.

A differential pulse detecting apparatus for terahertz wave time domain information and a differential pulse detecting method are provided. The apparatus includes a femtosecond laser generating unit with a certain repetition frequency, a beam splitting unit, a terahertz pulse generating unit, a unit containing a sample to be detected, a terahertz pulse collecting unit, a detecting laser pulse focusing unit, a detecting unit, a spatial light modulation unit and a terahertz pulse reduction unit. As the spatial light modulation unit can regulate the spatial optical path difference between a terahertz pulse and a detecting laser pulse, the difference between the terahertz pulse and the detecting laser pulse simultaneously reaching the detecting unit is an integral multiple of an adjacent pulse interval, and therefore the method can regulate the optical path difference in real time according to the size of a detected object under a condition that a whole optical path system is determined, a design of the overall system is not limited to the size of the detected object, and limitation of traditional terahertz time-domain spectroscopy systems on the size of the detected object is got rid of.