69results about How to "Not intrusive" patented technology

The invention discloses a transaction group, a transaction group constructing method, a storage medium, a device and a system, which belong to the technical field of block chain. The transaction groupconstructing method includes the following steps: calculating the Hash values of transactions from the tail transaction to the head transaction of a transaction group, and calculating the Hash valueof the tail transaction first; calculating the Hash value of the transaction adjacent to the tail transaction, and calculating the Hash values of the transactions in turn according to the order untilthe Hash value of the head transaction is calculated; putting the Hash value of the head transaction in each transaction in the transaction group; and calculating the SIGHASH of each transaction, andcalculating the signature. A device and a system are further disclosed. In view of the problem that the atomicity of transactions cannot be achieved for a group of transactions sent to a block chain in the prior art, it can be ensured that the transactions in a group of transactions sent to a block chain all succeed in transfer or all fail in transfer.

A miniature pump 100 includes a miniature pump portion 101 including a suction passage 70a through which a liquid flows in, and a discharge passage 70b through which the liquid flows out, and a bubble trap portion 40 for blocking an entry of air bubbles into the miniature pump portion 101. Since the bubble trap portion 40 prevents the entry of air bubbles into the miniature pump portion 101, a deterioration of pump characteristics owing to the entry of air bubbles can be suppressed, making it possible to obtain a miniature pump that achieves both a large discharge flow rate and stable discharge flow rate characteristics.

The invention provides a high-uniformity anti-blocking insect-preventing rotating nozzle. The high-uniformity anti-blocking insect-preventing rotating nozzle comprises an insect-preventing shell, and components arranged in the insect-preventing shell, namely a nozzle working assembly and a filter device with a U-shaped section. The insect-preventing shell comprises a lower insect-preventing shell and an upper insect-preventing shell, the two of which are in threaded connection with each other; the nozzle working assembly comprises a pin, a nozzle top cover, a water inlet nozzle, a fixed assembly arranged in the upper insect-preventing shell and a water injection assembly arranged above the water inlet nozzle. The high-uniformity anti-blocking insect-preventing rotating nozzle has the following advantages: the rotating nozzle is provided with the filter and capable of preventing blocking, and water even poor in quality can be applied to irrigation; impurities such as mosquitoes, dust and grains of sand can be prevented from intrusion to block the nozzle, so that the maintenance cost can be greatly reduced and the service life of the nozzle can be increased; the effects of uniform irrigation, excellent wind resistance, corrosion resistance and better steadiness and reliability can be achieved; a double-flow channel water outlet is capable of guaranteeing smooth and perfect operation of the nozzle, and a water division step is arranged at one of two curved-surface flow channel water outlets so that the ranges of the two water outlets are different, and therefore, water distribution is evener.

The invention discloses a data migration processing method and a related device. The data migration processing method comprises the steps of obtaining a file list of a first slave node needing data migration; then backing up the file list of the first slave node to a backup system; when the migration process is triggered, creating a second slave node for the to-be-migrated data; downloading a filelist of the first slave node from the backup system; and recovering the to-be-migrated data and storing the to-be-migrated data in the second slave node. Therefore, data migration of the master nodeand the slave node under the condition of not stopping service is realized, and the migrated data is processed by the backup system, so that the master node or the upper-layer node cannot be invaded,the risk of data loss is avoided, and the stability of database operation is improved.

The invention provides a network monitoring method and equipment, which can monitor a virtual network, so as to avoid leakage of user privacies and improve the reliability of virtual network monitoring. The method is applied to monitoring a network in a virtual network, wherein the virtual network comprises a physical machine; the physical machine comprises proxy equipment, a first virtual machineand a first virtual bridge detector; the first virtual machine is monitored by the first virtual bridge detector; the first virtual machine is independent of the first virtual bridge detector; and the method comprises the following steps that: the proxy equipment receives a network monitoring command; and the proxy equipment acquires first detection information from the first virtual bridge detector according to the network monitoring command, wherein the first detection information is used to indicate packet loss information and/or time delay information.

The invention relates to a method for connecting at least two sheet metal parts (1, 5), wherein an impressing element is fastened to the first sheet metal part (1) and then the impressing element (3) fastened to the first sheet metal part (1) is welded to the second sheet metal part (5), in particular by spot welding. According to the invention, in order to fasten the impressing element to the first sheet metal part (1), the impressing element (3) is pressed into the material of the first sheet metal part (1) in a deep-drawing direction (T) in a deep-drawing process and enters into a form-locked connection to the first sheet metal part (1) under plastic deformation.

Disclosed is an water soluble vitamin freeze-drying preparation containing no bacteria inhibitor, wherein each bottle of the preparation comprises constituents of aneurine mononitrate 2.79-3.41mg, riboflavin sodium phosphate 4.41-5.39mg, nicotinamide 36-44mg, chlorhydric pyridoxine 4.41-5.39mg, sodium pantothenate 14.85-18.15mg, vitamin C sodium 101.7-124.3mg, biotin 54-66mug, folic acid 0.36-0.44mg, vitamin B12 4.5-5.5mug, glycine 270-330mg, and dium ethylenediamine tetraacetate 0.45-0.55mg.

The invention relates to a pultrusion process for the continuous production of blanks from a fibre-plastic composite material (23), an arrangement for carrying out a pultrusion process and use of thepultrusion process according to the invention and the arrangement according to the invention. The pultrusion process comprises at least the following process steps: i. providing a strand of unimpregnated fibres (21); ii. feeding the strand of unimpregnated fibres (21) to a vacuum device (5, 5', 5''), which has at least one vacuum chamber (52, 52', 52''); iii. generating a negative relative pressure in the at least one vacuum chamber (52, 52', 52'') of the vacuum device (5, 5', 5''), whereby air (200) escapes from the strand of unimpregnated fibres (21); iv. removing the almost airless strand of unimpregnated fibres (22) from the vacuum device (5, 5', 5'') and feeding the almost airless strand of unimpregnated fibres (22) to an injection device (6, 6'), which has at least one injection chamber (61, 61'), wherein the vacuum device (5, 5', 5'') and the injection device (6, 6') are connected to one another in an airtight manner, at least with respect to the surroundings; v. injecting matrix material (230) in a flowable state into the at least one injection chamber (61, 61') of the injection device (6, 6') and impregnating the strand (2) with the matrix material (230); vi. removing of the blank (23) from the injection device (6, 6'). With the process according to the invention, a homogeneous and complete wetting of the fibres of the strand is advantageously achieved at a high drawing rate. Furthermore, the fibre-plastic composite is not pressed in the process.

The invention discloses an LED lamp which includes an aluminum alloy casing, an LED illuminant arranged in the casing and an aluminum alloy cooling fin; at least a cooling fan is arranged at the rear part of the aluminum alloy cooling fin; and a thermal insulation layer is arranged on the inner lateral wall of the casing. The thermal insulation layer can be an aluminum alloy layer or a silica gel layer. The LED lamp can fully emit heat generated during the working process in a timely manner, and the heat of solar radiation can hardly enter, so that the service life is greatly prolonged.

A seal structure of a turbo-molecular pump capable of preventing exhaust gases and dust from invading into the bearing part and the motor part of the turbo-molecular pump and enabling a reduction in the length of a seal part. The seal structure comprises a bush (12) radially swingably fitted to the stationary member (10) of the housing of the turbo-molecular pump (1) and a journal shaft part (8a) rotatably inserted into the inner peripheral part of the bush (12). Herringbone type grooves (8b) are recessed in the outer peripheral part of the journal shaft part (8a) and clearance seal parts (8c) are formed in the journal shaft part (8a) and the bush (12) adjacently to the herringbone type grooves (8b).

The invention provides a display panel, a manufacturing method thereof and a display device, and the display panel comprises a light-emitting module which comprises an electroluminescent device and athin film packaging layer for packaging the electroluminescent device, which are sequentially arranged on a first substrate; a quantum dot module, comprising a plurality of quantum dot light-emittingunits which are arranged at intervals; a second substrate, located between the light-emitting module and the quantum dot module so as to support the quantum dot module on the side, away from the firstsubstrate, of the light-emitting module, and the orthographic projection of the thin film packaging layer on the first substrate being located in the orthographic projection of the second substrate on the first substrate. According to the display panel, the manufacturing method thereof and the display device provided by the invention, the luminous efficiency of the electroluminescent device and the display effect of the display device can be ensured.

The invention discloses a super-hydrophobic coating for alkali efflorescence resistance of cement mortar and a preparation method of the super-hydrophobic coating. The coating comprises a cement coating which is arranged on a cement mortar base material and provides roughness, and hydrophobic emulsion is arranged on the surface of the cement coating; wherein the cement coating comprises the following components: cement, sand and pigment; in the cement coating, the mass ratio of cement to water to sand to pigment is 1: (0.5-1), the mass ratio of cement to water to sand to pigment is 1: (2-2.75), and the mass ratio of cement to water to sand to pigment is 1: (0.06-0.072). The method comprises the following steps: constructing a cement coating on a cement mortar base material; and coating the hydrophobic emulsion on the surface of the cement coating, and drying to obtain the hydrophobic cement coating. According to the invention, a layered coarse structure is formed by the micron-scale sand and the micro-nano-scale cement product, the coarse structure improves the hydrophobicity of the hydrophobic coating, reduces the usage amount of the hydrophobic agent, and improves the durability of the super-hydrophobic coating, and the super-hydrophobic mortar has waterproofness and self-cleaning property and can alleviate the saltpetering problem; and the preparation process is simple and easy to control.

The invention relates to a truck scale sensor for detecting the quantity of automobile tires. The sensor comprises a support shaft, a base, at least one returning spring and at least one sensitive element, wherein the support shaft can do finite movement in an axial direction; the base is used for installing the support shaft; the returning springs are used for providing restoring force for the support shaft; the sensitive elements are used for detecting the positional change of the support shaft and outputting a change signal; the support shaft is movably installed in the base; the sensitiveelements are installed on a side surface of the support shaft; in the absent of wheel pressing, the support shaft moves to an upper point under the action of the returning springs and then the sensitive elements output a state; and when a wheel presses, the support shaft moves to a lower point and then the sensitive elements output another state. By the sensor, the defects of high false rate and short service life of the traditional actually-used weighing sensor are overcome, and the defects expressed by an axel identification machine of several non-weighting sensors recorded in documents areovercome. Moreover, the sensor has the remarkable advantages of low requirement for processing accuracy, simplicity in assembly and strong output signals.

The invention discloses an insulation state online monitoring method for an inverter driving motor and a monitoring system thereof. The method comprises the following steps: measuring current responsecomponents I<a_deltaf>, I<b_deltaf> and I<c_deltaf> of the inverter driving motor under a high-frequency characteristic frequency band f<c> in real time during running of the inverter driving motor;sampling and representing the current response components I<a_deltaf>, I<b_deltaf> and I<c_deltaf> to obtain motor current real-time characteristic values I<ar_deltaf>, I<br_deltaf> and I<cr_deltaf>;comparing the motor current real-time characteristic values I<ar_deltaf>, I<br_deltaf> and I<cr_deltaf> with pre-measured motor current initial characteristic values I<a0_deltaf>, I<b0_deltaf> and I<c0_deltaf>; and assessing the current insulating running state of the inverter driving motor according to a comparison difference value, wherein the motor current initial characteristic values I<a0_deltaf>, I<b0_deltaf> and I<c0_deltaf> are motor current characteristic values of the inverter driving motor under the high-frequency characteristic frequency band f<c> pre-measured in an insulating normal running state. The insulation state online monitoring method and system have the advantages of high sensitivity, continuous online monitoring, easiness and convenience in operation, high security,low monitoring cost and easiness in implementation and popularization.

A cleaner configured in such a manner that dust removal operation can be optimally performed without the removal of a front housing, without the entry of dust into the filter due to the dust removal operation, and without a decrease in the suction force. A cleaner (1), wherein a coiled spring (29) for pressing a filter (28) so that the filter is retained in an extended attitude is provided within the filter (28) of a filter unit (4), a mounting plate (30) is secured to the front end of the filter (28), one end of a wire (38) is connected to the mounting plate (30), and the other end of the wire (38) is led out of the inside of the filter (28) to the outside at the rear of the body housing after being made to pass through the body housing (2). The filter (28) can be arbitrarily contracted by causing, through pulling operation of the other end of the wire (38), the mounting plate (30) to recede against the pressing force of the coiled spring (29).

The invention provides a high-speed railway large-diameter shield tunnel overhead line system channel construction method. A channel mechanism is made and installed to a pipe piece. A wedge-shaped ring pipe piece is adopted as the pipe piece. The point position for installing the pipe piece is selected according to the shield tail clearance distance. When shield driving is conducted to the presetlength and the stroke of a thrust oil cylinder in the position where a capping block is planned for installation is larger than the preset stroke length, a shield tunneling machine stops driving, andthe pipe piece is installed. After installed in place, a pipe piece block stretches out to a corresponding position, the thrust oil cylinder of a pipe piece installation machine pushes the pipe piecetightly, pushing force of the thrust oil cylinder is higher than preset stress needed by pipe piece stabilization, and then the pipe piece installation machine is moved away. After a pipe piece ring is separated from a shield tail, a pipe piece connection bolt is fastened for the second time. Through the construction method, construction environment during installation of an electrical system is improved significantly, installation construction efficiency of an electromechanical system is improved, a tunnel structure is not damaged basically, and the structure service life is prolonged.

The invention provides a manufacturing method of a coil panel and an electric appliance product using the coil panel. The coil panel comprises a body, a magnetic stripe, an enamelled wire and a terminal connected to an enamelled wire tail end. The terminal comprises a connection portion and a holding portion located to one end of the connection portion. Firstly, the tail end of the enamelled wire is placed in the holding portion, then cold pressing and fastening are performed on the enamelled wire in the holding portion to form a fastening segment, and then hot pressing connection is performed on one end of the holding portion to form a contact segment. During cold pressing connection, a paint film does not need to be removed, a solder is not needed, a joint is not corroded and harmful alloy elements are not invaded into a welding seam. During hot pressing, a high temperature is used to peel, decompose or age the enamelled wire in the sleeve holding portion so that paint film insulating performance is failed, and a problem that dissimilar metal soldering is difficult is solved.

The invention relates to a surface brightening agent for an aluminum alloy foam mold and a manufacturing method of the surface brightening agent. The surface brightening agent comprises the following components in parts by weight: 5-10 parts of isopropanol, 25-35 parts of industrial alcohol, 25-35 parts of ethyl acetate, 15-20 parts of butyl acetate, 15-25 parts of polyvinyl butyral, 35-45 parts of cellulose nitrate, 1-3 parts of paint and 35-45 parts of dibutyl phthalate. The surface brightening agent is coated on the foam mold before a special coating for an aluminum alloy lost mold is coated; the surface smoothness of a casting can be improved; and the special coating for the aluminum alloy lost mold is prevented from penetrating into the foam mold.

The invention discloses a protection cover for a radar level meter and an application method of the protection cover. The protection cover comprises the level meter and a cover body, the cover body isinstalled at the outer side of the level meter, and the level meter comprises a radar bin, flange plates, a beam cover and mounting rings; the mounting rings are movably connected with the cover bodythrough threads, the cover body comprises protection side walls, a top cover, edges and sealing assemblies, and the protection side walls are movably connected with the mounting rings through inner threads; each sealing assembly comprises a sealing ring, a supporting rod, a spring, rubber skin and a second limit thread. According to the protection cover for the radar level meter and the application method of the protection cover, the cover body is installed at the outer side of the level meter and used for protecting the level meter, the cover body can be freely taken down and also conveniently installed, the top cover made of resin glass is good in light transmission performance, and it can be guaranteed by vent holes that rainwater cannot permeate into the cover; meanwhile, the cover isused for heat dissipation, the cover body is separated from the external environment by the sealing assemblies, the rainwater is prevented from corroding flanges, the flanges are prevented from rusting, the sealing assemblies are convenient to use, the sealing effect is good, and the safety of the level meter can be guaranteed to the greatest extent.