42results about How to "Check integrity" patented technology

The invention discloses a file data checking method and device. According to file name information of files to be read, and initial checking code values are determined; according to the initial checking code values and data contents of data blocks in the files to be read, a checking code generating algorithm is utilized to calculate check codes of the data blocks; the calculated check codes are compared with checking codes embedded into the data blocks, if the codes are consistent, it is determined that the files to be read are consistent with the data blocks.

The invention discloses an apparatus and system for controlling the oxygen concentration in a liquid LBE / Pb coolant. Through the use of a novel electrochemical oxygen pump device, the oxygen concentration in the coolant can be precisely controlled to form a layer of dense oxide film on the steel surface to prevent further penetration of lead-based alloy into the steel and achieve a preservative effect; and key technical difficulties in lead-based fast reactors and ADS systems are solved to ensure long-term and safe operation of experimental loops and the lead-based fast reactors.

The invention provides workpiece automatic detection equipment comprising the following units: an airtightness detection mechanism used for detecting workpiece airtightness; a thread sealing detectionmechanism used for detecting thread sealing property on the workpiece; a thread hole detection mechanism used for detecting the workpiece thread hole sizes and precision; a transmission mechanism used for moving the workpiece to the airtightness detection mechanism, the thread sealing detection mechanism and the thread hole detection mechanism for detections. The advantages are that the workpieceautomatic detection equipment can detect various items of the workpiece, is high in automation level, high in detection precision, and easy to use.

The invention discloses a CDT channel fault alarm system, which comprises a master station communication machine, a sub-station communication machine and a master station terminal, wherein the master station communication machine and the sub-station communication machine are provided with a master channel and a spare channel therebetween, the master station and the spare channel are both composed of an uplink channel and a downlink channel, the two downlink channels are connected to a fault online detection device and then sequentially connected to an integrated automatic device and the sub-station communication machine, and the integrated automatic device transmits online detection data to the sub-station communication machine and the master station communication machine and finally transmits the online detection data to the master station terminal so as to provide for a dispatcher to record, alarm and process. The CDT channel fault alarm system disclosed by the invention can monitor the operating state of the downlink channels in real time, discovers faults in the downlink channels timely, accurately judges whether the faults are interruptions or error codes, and does not affect remote control and normal data transmission, thereby providing more guarantee for the safety of a power grid and the quality of electric energy.

The invention discloses a passivation illuminating system with damage detection and an implementation method thereof. The system comprises a main control unit, an optical fiber and a passivation lamp, wherein the main control unit is used for emitting invisible lights; the main control unit is connected with the passivation lamp through the optical fiber and comprises a controller, a laser, an optical fiber, an optical detector and an optical coupler; the passivation lamp comprises a shell, an optical fiber, an optical grating and a photoluminescence powder; the optical fiber is arranged in the shell; the controller is used for controlling the laser to transmit and receive information of the optical detector; the optical fiber is used for realizing remote energy transmission; the optical coupler is used for fusing lights with different wavelengths, which are emitted by different lasers, to the same optical fiber and returning lights of one laser reflected by the optical grating to the optical detector; the optical detector is used for receiving lights returned by the optical fiber through the optical coupler; and the photoluminescence powder is used for receiving lights emitted by the optical grating and up-converting and down-converting the lights into visible lights.

The invention discloses a passivation illuminating system with damage detection and an implementation method thereof. The system comprises a main control unit, an optical fiber and a passivation lamp, wherein the main control unit is used for emitting invisible lights; the main control unit is connected with the passivation lamp through the optical fiber and comprises a controller, a laser, an optical fiber, an optical detector and an optical coupler; the passivation lamp comprises a shell, an optical fiber, an optical grating and a photoluminescence powder; the optical fiber is arranged in the shell; the controller is used for controlling the laser to transmit and receive information of the optical detector; the optical fiber is used for realizing remote energy transmission; the optical coupler is used for fusing lights with different wavelengths, which are emitted by different lasers, to the same optical fiber and returning lights of one laser reflected by the optical grating to the optical detector; the optical detector is used for receiving lights returned by the optical fiber through the optical coupler; and the photoluminescence powder is used for receiving lights emitted by the optical grating and up-converting and down-converting the lights into visible lights.

A safety closure for containers comprising a cover (3) and an internal element (4), the internal element being formed of a constraining portion (5) and a covering portion (6), the covering portion and the constraining portion being at least partially interconnected by means of at least a first preferential breakage zone (7B) which, when intact, joins them to each other, the constraining portion being provided with blocking means at the neck of a container with which the closure is intended to be associated and with first constraining means (10) which removably attach the cover, the internal element having sealing means (12) which, at least when the seal is intact, preserve the container content integrity.

The embodiment of the invention provides a method and device for checking malicious extension of a browser and computer equipment. The method comprises the steps: receiving a key acquisition request sent by a terminal through the browser; generating a first key according to the key acquisition request, and returning the first key to the terminal; receiving a first message authentication code and afirst change record sent by the terminal, wherein the first change record comprises DOM change triggering information corresponding to a first change; executing a change operation corresponding to the DOM change triggering information on a reference DOM tree to obtain a second DOM tree change sequence; calculating the first key and the second DOM tree change sequence by a predetermined algorithmto obtain a second message authentication code; determining whether the calculated second message authentication code is the same as the first message authentication code or not; and if so, determining that the page structure of the browser is not damaged by browser extension. According to the method, the malicious extension behavior of the browser can be reliably detected.

The invention belongs to the technical field of medical instruments, and discloses a convenient-to-carry device and a method for testing a bubble point value of a needle filter by manual pressurizing.The device comprises an injector, an air pressure meter and the needle filter, wherein the injector is connected with the air pressure meter through a pipeline; the air pressure meter is connected with the needle filter through a pipeline; a thread is formed in one side of the pipeline; and a bayonet is arranged on the other side of the pipeline. The core of the invention is a manual pressurizingdevice, and compressed air is manually generated, so that the integrity of the needle filter can be conveniently detected without an external air source; the external compressed air source can be used, so that a user also can finish testing autonomously on site; the manual pressurizing device is arranged to generate the compressed air, so that the integrity and the performance of the needle filter can be detected; and a tool is simple in using step, detachable and convenient to daily use or carry.

The invention discloses a device and method for detecting the integrity of cast-in-place piles based on densely distributed optical fiber grating temperature sensing technology. A metal material with a large thermal expansion coefficient is used as a temperature-sensitizing element, and the temperature-sensitizing element is hoop-bonded on an optical fiber. Where there is no protective layer, the optical fiber is fixedly bound on the main reinforcement of the steel cage; after the steel cage is lowered, the optical fiber is first connected to the dense distributed temperature interrogator; the concrete is poured and the quality and amount of the concrete are recorded; according to the amount of concrete and the The quality determines the monitoring time of the pile body temperature; the intensive distributed temperature demodulator starts collecting temperature data immediately after the concrete pouring of the pile body is completed; according to the collected temperature data, the difference of the concrete hydration heat along the pile body is obtained to judge whether the concrete pouring Uniformity and the range of pile diameters further obtain the integrity of cast-in-place piles. The invention greatly improves the temperature measurement accuracy and positioning accuracy, does not need active heating, can detect pile foundation defects early and repair them in time.

The invention discloses a blisk single-face / double-face laser shock peening light path system, and belongs to the field of blisk laser shock peening. Four light paths are composed by a light table, a numerical control sliding table, numerical control rotary tables, reflectors, focus lenses, dodging lenses, swing arms, energy meters, a protective plate, a protective cover, a light guide tube and the like. Any one of the four light paths can be manually / automatically selected to work, and the second light path and the fourth light path can be selected to work simultaneously. The first light path and the third light path are focusing light paths, and when laser beams with the diameters being less than 27 mm are input, output laser spots are uniform-light-intensity round light spots with the diameters being 2 mm-5 mm; the second light path and the fourth light path are dodging light paths, and when the laser beams with the diameters being less than 27 mm are input, uniform-light-intensity square light spots with the side lengths being 2 mm-5 mm are output. The blisk single-face / double-face laser shock peening light path system is simple in structure; when the blisk single-face / double-face laser shock peening light path system is used, production efficiency is improved, and uniformity and stability of laser shock peening quality are guaranteed.

The invention relates to an electromagnetic shielding confidential storage cabinet with an intelligent identification function. The electromagnetic shielding confidential storage cabinet with the intelligent identification function comprises a confidential cabinet main body module, a plurality of confidential cabinet sub-body modules; a user operation module used for acquiring identity verification information and an access instruction of a user; a medium detection module used for detecting a medium stored in the confidential cabinet sub-body modules; a control module used for verifying the identity verification information of the user, generating a first control signal according to the access instruction after the verification is passed, and generating a second control signal when the medium detection module detects that the medium is abnormal; and a sub-body transmission module used for transmitting the corresponding confidential cabinet sub-body module under the control of the firstcontrol signal. The electromagnetic shielding confidential storage cabinet with the intelligent identification function provided by the invention has the advantages of detecting the information and integrity of the storage medium, randomly encrypting the storage and detecting the own integrity, and improves the storage security of a confidential medium.

The invention provides an information hiding method generated based on encryption and natural language, and belongs to the direction of data safety and information hiding in the field of computers. Firstly, secret information is encrypted by using an AES algorithm, an AES secret key is encrypted by using an RSA algorithm, an MD5 value is generated for the encrypted information by using an MD5 algorithm, and then a ciphertext is generated by using context free grammar of a normal natural language text and a Huffman coding and decoding algorithm according to the to-be-hidden information combinedby the encrypted information and the MD5 value of the encrypted information. The information hiding method provides more powerful protection for the secret information by using encryption algorithms,provides integrity verification information of the secret information, improves the similarity between the ciphertext and the normal text in terms of statistical features and grammatical semantics, and improves the concealment of the ciphertext and the embedding rate of the secret information.

The invention discloses a CDT channel fault alarm system, which comprises a master station communication machine, a sub-station communication machine and a master station terminal, wherein the master station communication machine and the sub-station communication machine are provided with a master channel and a spare channel therebetween, the master station and the spare channel are both composed of an uplink channel and a downlink channel, the two downlink channels are connected to a fault online detection device and then sequentially connected to an integrated automatic device and the sub-station communication machine, and the integrated automatic device transmits online detection data to the sub-station communication machine and the master station communication machine and finally transmits the online detection data to the master station terminal so as to provide for a dispatcher to record, alarm and process. The CDT channel fault alarm system disclosed by the invention can monitor the operating state of the downlink channels in real time, discovers faults in the downlink channels timely, accurately judges whether the faults are interruptions or error codes, and does not affect remote control and normal data transmission, thereby providing more guarantee for the safety of a power grid and the quality of electric energy.

The alarm system (300) includes a base station (318) that monitors remote control unit(s) (302) attached to the person or thing being monitored. A unit (302) includes a receiver (304) for receiving navigation information from global positioning system satellites (336). The signal of the location (338) is transmitted to the station (318) and displayed (324) to the system operator. An environmental or physiological sensor(s) (308) causes an output(s) (310) to switch on a transmitter (314) determining sensor status (344), which is displayed at the base station. An overboard sensor (308) is provided to the man overboard detection system (300). Optionally, the receiver (320) provides an output (334) that is inversely proportional to the distance separating the remote unit (302) and the base station (318), the Said separation distance and a limit (330) to activate the alarm (332) when the person has fallen into the water and drifted away. Navigational information is displayed (324) to aid in locating the man overboard.

The invention provides an automatic driving flexible track pavement monitoring system and a signal scanning method, which are used for scanning a signal of a pressure detection unit to determine the working state of the pressure detection unit, and comprise a pavement monitoring device and a controller, the road surface monitoring devices are electrically connected with the controller, and the controller is configured to send pulse electric signals to any column of pressure detection units in the road surface monitoring devices, judge the pressure detection units in each row, and send the pressure detection units to the road surface monitoring devices if any row or multiple rows can detect contact short-circuit pulse signals transmitted by closing of the sensors. If yes, judging that the intersection is in a sensor triggering state, and sending the state in real time for displaying; and cyclically scanning according to a period to obtain the contact closed state of the sensor in the whole area. According to the technical scheme, the road surface monitoring device is used for accurately monitoring all road conditions and vehicle conditions in real time, the road condition and vehicle condition information is reliable, and all road conditions are transparent.

An access control device (1) is provided for controlling access to a tank (10) defining a storage chamber (11) and an inlet (12) to said storage chamber (11); the device (1) comprises: at least one cover (2) and the external device (3), 5 The cover (2) comprises a closed body (21) defining a closed position and an open position; a casing (22), defining a casing volume (22a) for the closed body (21) , and reciprocating rotation relative to the closed body (21); a connecting portion (23) adapted to connect the closed body (21) to the housing (22), thereby defining an operational configuration preventing said reciprocating rotation and allowing said a non-operating configuration for reciprocating rotation, thereby preventing said housing (22) from controlling the passage of the closed body (21) between the closed and open positions; and data connection means (24) adapted to provide communication with external equipment (3) A wireless data connection to allow its control connection (23) to pass between an operational configuration and a non-operational configuration.

The invention discloses an automobile part drying and cleaning device. The automobile part drying and cleaning device comprises a dryer body, a cleaning mechanism and a conveying mechanism penetratingthrough the dryer body and the cleaning mechanism. An inlet is formed in the left side of the dryer body, an outlet is formed in the right side of the dryer body, and air curtain machines are installed at the tops of the inlet and the outlet for heat insulation and dust prevention. An air blower and an exhaust blower are installed at the top of the dryer body, a heater and a scanning mechanism are arranged on the inner wall of the dryer body, and the scanning mechanism is used for counting the number of automobile parts passing through the dryer body and detecting the integrity of the automobile parts. The dryer body is further provided with an intelligent adjusting mechanism, and the intelligent adjusting mechanism is connected to the air blower, the exhaust blower, the cleaning mechanism, the air curtain machines and the heater.

The invention discloses a flange assembly of a sterile glove. The flange assembly comprises a first jacket, a second jacket and the glove flange, wherein the glove flange comprises a fixing portion and a glove mounting portion, the first jacket and the second jacket are connected through fasteners to form a first annular groove which is clamped with a glass door and a second annular groove which is embedded in the fixing portion, and the second jacket sleeves a third annular groove for containing the glove mounting portion. According to the flange assembly, the glove flange can be installed inwards and can be installed outwards, the first jacket and the second jacket can be arranged in an interchange mode, and the sterile glove can be replaced inside and outside, so that the multi-functionand multi-working-condition requirements can be met, the requirements of various different drug production processes are met, and the flange assembly can be applied to an O-RABS system and can also be used as an isolator system.

The invention relates to the technical field of construction, in particular to a protecting device for floor template building. The protecting device comprises a floor module; a support plate is arranged on the bottom surface of the floor module; a support frame is arranged on the bottom surface of the support plate; a carrying plate is arranged on the surface of the support frame; a limiting groove is formed in the surface of the carrying plate; a square board is in butt joint in the limiting groove; a placing groove is formed in the surface of the support frame; the top surface of the placing groove is hinged with a connecting cross bar; and a sleeve sleeves a rod body of the connecting cross bar. The invention further discloses the protecting device for floor template building and an application method thereof; and the application method comprises the steps of template supporting, enclosure supporting, support reinforcement and module checking. The protecting device for floor template building has the following beneficial effects: the protecting device for floor template building is simpler and more convenient to assemble compared with a traditional support structure; and a transverse support rod can be hidden in the support frame to save the storage space after disassembly.

The invention relates to an encryption and integrality check method of a data-transmission belonging to the electric communication technique field. In the invention, an originating node and a destination node share a root key not known by attackers, the root key and message authentication codes of all the prior transferred data generate an encryption key for encrypting the prior transferred data;at the present an encrypted data and a message authentication code corresponding the data node are transferred from the originating node to the destination node. The invention can encrypt and check the data transferred between the nodes and have advantages of safety and high performance.

There is provided an access control device (1) for controlling the access to a tank (10) defining a storage chamber (11) and an access (12) to said storage chamber (11); the device (1) comprises at least one cap (2) and an external apparatus (3); 5 the cap (2) comprises a closure body (21) defining a closed position and an open position; a housing (22) defining a housing volume (22a) for the closure body (21) and a reciprocal rotation with respect to the closure body (21 ); a connection (23) suitable to connect the closure body (21) to the housing (22), thereby defining an operating configuration in which said reciprocal rotation is prevented and a non-operating configuration in which it allows said reciprocal rotation, thus preventing said housing (22) from controlling the passage of theclosure body (21) between the closed and open positions; and data connection means (24) suitable to provide a wireless data connection with the external apparatus (3) so as to allow it to control thepassage of the connection (23) between the operating configuration and the non-operating configuration.

The invention discloses a cast-in-place pile integrity detection device and method based on a densely distributed fiber grating temperature sensing technology. A metal material with a large thermal expansion coefficient is adopted as a temperature sensitization element, the temperature sensitization element is annularly pasted to the position, without a protective layer, of an optical fiber, and the optical fiber is bound to a main rib of a reinforcement cage in a fixed-point manner; after the reinforcement cage is put down, the optical fiber is connected with a densely distributed temperature demodulator; concrete starts to be poured, and the mass and the use amount of the concrete are recorded; the monitoring time of the temperature of a pile body is determined according to the use amount and the mass of the concrete; after pouring of the concrete of the pile body is completed, the densely distributed temperature demodulator immediately starts to collect temperature data; and the difference of hydration heat of the concrete along the pile body is obtained according to the collected temperature data, whether concrete pouring is uniform or not and the pile diameter range are judged, and the integrity of a cast-in-place pile is further obtained. By means of the cast-in-place pile integrity detection device and method, the temperature measuring precision and the positioning precision are greatly improved, active heating is not needed, and pile foundation defects can be found as soon as possible and repaired in time.

The invention provides a multifunctional automatic edge trimming system for a substrate for solar cell panel processing. The system comprises a workbench which is arranged on a rack and can be used for lifting and moving up and down, movable plates symmetrically arranged on the rack, a detection assembly, a cutting assembly, a cooling assembly and an orientation assembly, and the detection assembly, the cutting assembly, the cooling assembly and the orientation assembly are arranged on the movable plates. The system also comprises a control assembly for controlling the detection assembly, thecutting assembly and the cooling assembly to work. Timely switching of the detection assembly, the cutting assembly and the cooling assembly is controlled through the control assembly. It is ensured that after the detection assembly completes detection and when the cut cell substrate needs to be subjected to edge trimming, the cutting assembly and the cooling assembly can be rapidly switched for work, and the technical problem that during cell substrate trimming and cutting ,timely cooling cannot be achieved is solved.

The present invention discloses a method for detecting the integrity of a substrate pattern array, comprising the steps of a grayscale map acquisition step for acquiring a grayscale image of the substrate pattern array; a numerical processing step for performing sampling numerical processing on the grayscale image to obtain a grayscale value signal; a Fourier transform step for converting the grayscale value signal into the frequency-domain signal distribution; and a comparison analysis step for analyzing the frequency-domain signal distribution to obtain the integrity information of the substrate pattern array. The method can quickly and accurately detect the consistency and the integrity of the patterns in the substrate pattern array, discriminates the type of a defect, and provides a detection basis for the defect repair of a sample to be tested.

The membrane water-cooled wall appearance detection device comprises the detection mechanism arranged on one side of the sliding rod, the detection mechanism is used for detecting the flatness of a water-cooled wall tube and marking a defective surface for a user to find, the overall detection is accelerated, and a place with missed detection is avoided, so that subsequent improvement is facilitated, the product quality is guaranteed, and the production efficiency is improved. By arranging the detection mechanism, the membrane water wall can be detected after the pipe bending process is finished, the overall integrity of the membrane water wall after pipe bending is rapidly detected by utilizing the appearance characteristics of the camera and the membrane water wall, the influence caused by the diameter of a water wall pipe is avoided, the device is suitable for membrane water walls of various sizes, and the detection efficiency is improved. The membrane water-cooled wall can be detected more quickly and efficiently, and the subsequent production efficiency can be improved through adjustment performed after detection.

The invention provides a method for checking the integrity of parameters of a neural network and saving computing resources. The method comprises the following steps that when information about each of a (t-2)-th image and a (t-1)-th image corresponding to a (t-i2)-th frame and a (t-i1)-th frame of a video is acquired, a calculation device causes a background prediction unit to generate t-th background prediction information about a t-th image by referring to the information about each of the (t-2)-th image and the (t-1)-th image; when the t-th image is acquired, the calculation device causesthe pattern insertion unit to generate at least one inspection input by referring to the t-th background prediction information and inserting the test pattern into the t-th image. A calculation devicecauses the neural network to generate at least one inspection output by applying a convolution operation to the inspection input; and the calculation device causes the inspection unit to determine the integrity of the neural network by referring to the inspection output and at least one reference output corresponding to the test pattern.

The invention discloses a method and system for detecting the integrity of a configurable material list, which comprises the following steps: obtaining a product configuration table and a configurable material list of a specified product family from an external system, and simultaneously obtaining an internal module group constraint relationship table; The product configuration table and the module group constraint relationship table are fused together to obtain the product configuration combination table and configuration optional constraint condition table of each module group; through the configuration optional constraint condition table, all the product configuration combination tables of each module group are Check to obtain the feasible product configuration combination of each module group; substitute the feasible product configuration combination of each module group into the correlation statement of each module in the configurable bill of materials for logical operation to detect the module group Configure coverage to judge the completeness of the configurable BOM. The invention can comprehensively and rapidly detect the completeness of the configurable material list, and is especially suitable for the situation of large configuration scale.

The invention discloses a falling type impact test bench. The falling type impact test bench comprises a rack, an impact platform, a falling table, a release mechanism and a lifting mechanism, the bottom end of the rack is fixedly installed on a base, the impact platform is located in the center of the base, the falling table corresponds to the impact platform up and down, the two ends of the falling table are located in first guide rails (namely falling table guide rails) on the rack, and a to-be-detected component is fixed to the falling table; the tail end of the lifting mechanism is connected with the release mechanism, and the release mechanism is used for fixing and being connected with the falling table in an initial state; in the impact process, the release mechanism is used for releasing the falling table; and a control center is used for controlling the working states of the lifting mechanism and the releasing mechanism. The falling type impact test bench is specially designed for a forklift electrical component, and can accurately obtain dynamic mechanical parameters such as impact acceleration and strain from a test, so that the impact resistance of the forklift electrical component is clearly reflected, and the function reliability and the structure integrity of the forklift electrical component are checked.