72results about How to "Not intrusive" patented technology

The invention discloses an inductive control intelligent power ventilating device of building window and door curtain walls. A controller comprises a node controller, a central processing unit and a parameter system, wherein the node controller and the central processing unit are networked through a TCP / IP (Transmission Control Protocol / Internet Protocol) Ethernet; a power ventilator comprises a cross-flow fan and a driving motor; the driving motor is responsible for controlling the opening and the closing of an air inlet; the cross-flow fan is responsible for conveying air into a room or discharging the air out of the room; a sensor collects indoor and outdoor data and feeds the data back to the parameter system through the node controller and the central processing unit; the parameter system is used for carrying out analysis comparison on the received data; when a compared result accords with a pre-set condition, the controller sends out a signal; and after receiving the signal of the controller, the driving motor automatically operates to realize the opening / closing movements of the air inlet of the ventilator and the operation of automatically starting and automatically stopping the cross-flow fan. Compared with the prior art, the inductive control intelligent power ventilating device disclosed by the invention has the advantages of intelligentization, energy saving, noise reduction, and good heat insulation and safety.

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 mechanism for opening and closing an operating cover of a printer having a discharge guide that remains in the same posture while moving in conjunction with opening and closing the operating cover prevents the gap between the discharge guide and the cover case of the operating cover from widening when the operating cover opens and closes. In a roll paper printer 1, the top end part 32a of the cover case 32 of an operating cover 3 is pivotably attached on the side of the discharge guide 5, which remains in the same posture while moving in conjunction with the cover 3 opening and closing. So that the cover case 32 does not separate from the cover frame 31 when the cover 3 opens and closes, a torsion spring 37 constantly urges the cover case 32 to open and close in unison with the cover frame 31 through an intervening connector arm 34. When the cover 3 opens and closes, a large gap is not formed between the top end part 32a of the cover case 32 and the discharge guide 5, and this gap does not increase in conjunction with the cover 3 opening and closing.

The invention relates to a network security evaluation technology, aiming at providing a security comprehensive evaluation system and a security evaluation method of an Internet of Things system. In the computer of the system, an information input module, an remote scanning module and an flow analysis module are connected to an risk assessment module by electrical connection. The cloud end serverof the Internet of Things is respectively connected with each Internet of Things device through the Internet, and a flow monitoring module is respectively arranged on the cloud end server of each device of Internet of Things, and each flow monitoring module is bypassed to the flow analysis module and the remote scanning module in an electrical connection mode; The remote scanning module contains aweak password library, PoC detection module and PoC detection script library, and PoC probe. The invention considers the factor of the administrator, and carries out analysis together with the remotesafety scanning and the flow monitoring, and comprehensively carries out safety assessment and analysis. Without intruding into the existing Internet of Things system, neither probes are added in theInternet of Things equipment, nor affect the original Internet of Things cloud server is affected.

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.

The invention relates to a receptacle connector comprising a USB plug with a Micro-USB specification and without increasing insertion length and capable of being connected even with an expanding plugt on a plug terminal. Space that does not interfere with an engagement protrusion of a first plug connector is maintained at the top of the interior of a chassis that attaches the receptacle connector, and so the inner peak surface of a fitting cylinder sandwiched by a pair of engagement receiving sections is formed curving upwards and a second plug connector disposed with the addition of a plurality of third plug terminals above a second plug terminal can be inserted. When the first plug connector is inserted, a first plug terminal contacts a first contact exposed at the bottom surface of a support plate, and when the second plug connector is inserted, the second plug terminal and third plug terminals contact the first contact and a second contact.

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).

In a method of manufacturing a differential device, a hub of a ring gear is press-fitted to a flange from a first bearing boss side, then a press-fit portion between the flange and the ring gear is equally divided into a plurality of divided regions arranged along a peripheral direction, and simultaneously the divided regions are welded. Accordingly, the press-fit portion between the flange and the ring gear can be efficiently welded while welding distortion of the ring gear is eliminated or reduced even in a case where work windows of a differential case cut into a side surface of the flange on the first bearing boss side to form recessed portions.

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 relates to a vehicle antenna (1), designed to be mounted on a vehicle surface (4). Said antenna comprises a base body (2) consisting of metal and a plastic antenna housing (3), which surrounds the antenna elements that are placed on the base body (2). According to the invention, the base body (2) has at least one sub-section (2.2) consisting of plastic and the antenna housing (3) is permanently connected to said sub-section (2.2) once the antenna elements have been mounted.

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.