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30results about How to "To achieve the purpose of verification" patented technology

Gateway system and gateway method for Cloud service accounting management

The invention discloses a gateway system and a gateway method for Cloud service accounting management. The gateway system comprises a client side, a Cloud service access gateway, and a Cloud source server. The Cloud service access gateway comprises a user interaction layer, a safety authentication layer and a single sign-on layer. According to requirements of system security and management of the Cloud service access gateway, frequent data transmission and synchronous information processing are performed with the client side and the Cloud source server to realize coordination action of cryptographic authentication and single sign-on. The method includes starting; logging in Cloud gateway; logging in Cloud service to start charging; migrating the Cloud service along with charging migration; logging out the Cloud service with end of charging; and ending with charging requests. In the method, interaction of a user and the Cloud service is realized in the client side, and technological means of interactive transmission in three functional layers can be used for achieving execution efficiency and safety of the gateway system of the Cloud service accounting management.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Online checking method and device for position sensor

The invention discloses an online checking method for a position sensor. The method comprises the steps as follows: initializing voltages corresponding to a first position offset and a second position offset in a characteristic curve, sampling a real-time voltage output by the position sensor, judging if the real-time sampled voltage in a certain time range is kept in a first threshold range, if so, judging if the voltage fluctuation amplitude in the time range is kept in a second threshold range, if so, updating the voltage corresponding to the first position offset in the characteristic curve to a real-time sampled voltage mean value in the time range, and regenerating the characteristic curve of the position sensor by the first position offset, the updated voltage corresponding to the first position offset, the second position offset and the voltage corresponding to the second position offset so as to achieve checking. According to the method, the shortcoming of non-checking in a machine running process in the prior art is overcome. The embodiment of the application further discloses an online checking device for the position sensor, and the accuracy of the position sensor is improved.
Owner:WEICHAI POWER CO LTD

Portable pressure calibrator

The invention relates to a portable pressure calibrator which comprises a pressure gauge box, a pressure indicating gauge arranged on the pressure gauge box, a precise pressure gauge in the pressure gauge box, and a high pressure tank arranged at the lower end of the precise pressure gauge, wherein an air inlet check valve is arranged on one side of the high pressure tank; a pressure guiding pipeis arranged on an air inlet pipe and is connected with the pressure indicating gauge; an air source outgoing interface is arranged on an air exhaust pipe on the other side of the high pressure tank; an outgoing valuator is arranged on the air exhaust pipe; and an air exhaust valuator is arranged on a communicating pipe A. The portable pressure calibrator has the advantages that the structure is simple, the carrying is convenient, the operation is flexible, the time wasted on dismounting a transmitter is decreased, and errors caused by bumping and collision during the transportation are reduced; the calibration accuracy of the calibrator can be guaranteed while the calibration efficiency is improved; and in the whole calibration process, any electric pressurized equipment is not needed, and no energy consumption and loss are caused, so by using the portable pressure calibrator, the carbon output is low, the environment is protected, the energy is saved and the efficiency is high.
Owner:JIHUA 3502 PROFESSIONAL GARMENT

Data check method, device and system

The invention discloses a data check method, device and system. The method comprises the following steps: a user terminal receives a random check code; after triggering check of the random check code, the user terminal sends the random check code and terminal identification information of the user terminal to a first authentication server which is currently allowed to access the user terminal; if the first authentication server is an authentication server generating the random check code, the user terminal receives an authentication result returned after check of the random check code by the first authentication server; and if the first authentication server is not the authentication server generating the random check code, the authentication result received by the user terminal is an authentication result generated after check of the random check code by a second authentication server. The method, device and system provided by the invention has the advantage that the technical problem in the prior art that the data check is not accurate in case of an address location drift of the user terminal to be authenticated because synchronization of an authentication code cannot be carried out in time between the authentication servers deployed in different geographical areas is solved.
Owner:ALIBABA (CHINA) CO LTD

Verifying equipment, method and device of high-frequency-current partial discharge live detection device

The invention discloses verifying equipment, method and device of a high-frequency-current partial discharge live detection device. The verifying equipment comprises a pulse generator, a coupling device and an HF detector mainframe, wherein the pulse generator is used for transmitting a calibration signal; the coupling device is connected with the pulse generator and is the variation form of a coaxial RF cable, and a to-be-tested RFCT sleeves the core wire of the coupling device; the HF detector mainframe is used for detecting a pulse response signal, and the comparison result of the pulse signal and the calibration signal is used for indicating the testing performance of the high-frequency-current partial discharge live detection device. By the verifying equipment, the technical problem that field verification cannot be performed on the high-frequency-current partial discharge live detection device in the prior art is solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +2

Verification apparatus, method and device of UHF (ultra-high-frequency) partial discharge live detection device

InactiveCN106597341ATo achieve the purpose of verificationSolve the technical problem that the on-site verification of the UHF partial discharge live detection device cannot be performedElectrical measurementsTest performanceImpulse response
The invention discloses a verification apparatus, method and device of a UHF (ultra-high-frequency) partial discharge live detection device. The verification apparatus comprises a pulse generator for transmitting calibration signals, a UHF reception sensor for collecting the calibration signals, and a UHF detector main machine which is connected with the UHF reception sensor and is used for detecting impulse response signals; and the comparison result of the impulse signals and the calibration signals is used for indicating the test performance of the UHF partial discharge live detection device. With the verification apparatus, method and device of the invention adopted, the technical problem that field verification cannot be performed on the UHF partial discharge live detection device in the prior art can be solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +2

System for checking sulfur hexafluoride density relay

The invention discloses a system for checking a sulfur hexafluoride density relay, and includes a contract pressure gauge, a pressure source and a gas circuit system. A gas inlet end of the gas circuit system is connected with the pressure source, and an inlet valve is installed between the gas inlet end of the gas circuit system and the pressure source; an output end of the gas circuit system is communicated with atmosphere, and a vent valve is installed between the output end of the gas circuit system and the atmosphere; and at least two installation interfaces are parallelly arranged between the inlet valve and the vent valve in the gas circuit system, and the contrast pressure gauge is accessed to the gas circuit system through any one of installation interface. The system for checking the sulfur hexafluoride density relay compares pressure values of the sulfur hexafluoride density relay and the contrast pressure gauge under the same working state, thereby judging whether work of the sulfur hexafluoride density relay meets requirements, and achieving the purpose of checking the sulfur hexafluoride density relay; and at least two installation interfaces are arranged parallelly, so that multiple sulfur hexafluoride density relays can be detected at the same time.
Owner:ANHUI RUIXIN AUTOMATION INSTR

Creditability verification method for routers in wireless ad hoc network

ActiveCN105472619AImprove securityAvoid many problems of privacy leakageNetwork topologiesTransmissionThird partyValidation methods
The invention discloses a creditability verification method for routers in a wireless ad hoc network, and mainly aims to solve the problem that there is only a single type of attack detection, privacy protection is poor and self-verification cannot be conducted in the prior art. According to the technical scheme, the method comprises the following steps: a sender reasons out the log information of a receiver and intermediate forwarding nodes by use of handshake protocol communication rules for message transmission between nodes in a wireless ad hoc network under the condition of not directly reading the log information of routers; and the sender calculates the Hash value based on a Hash tree of a verified party, verifies the safety of the reasoned-out log information of the receiver and the intermediate forwarding routers, and detects whether there is active or passive attack to the intermediate forwarding routers. According to the invention, no participation of the third party is introduced, verification is completed fully by the nodes in the wireless ad hoc network, the privacy of data is protected, and the safety requirements of the wireless ad hoc network are satisfied. The method can be used in creditability verification and malicious attack defense of routers in the wireless ad hoc network.
Owner:XIDIAN UNIV

AFDX (Avionics Full Duplex Switched Ethernet) bus information checking system and method

ActiveCN106788908AAchieving data sequential integrityTo achieve the purpose of data sequence integrity verificationError preventionTransfer procedureData sequences
The invention discloses an AFDX (Avionics Full Duplex Switched Ethernet) bus information checking system and method. A distributing end of the AFDX bus information checking system distributes a data serial number for an effective load in each piece of data of information to mark self generated sequences of all data, a receiving end of the AFDX bus information checking system can check each piece of data in the information according to the data serial number, and whether the self sequence of the piece of data is normal or not can be judged; thus, the purpose of checking data sequence completeness of each piece of information is achieved, and the situation that information data received by the receiving end are abnormal in sequence due to self data sequence error when the data in the information keeps a normal sequence in a transmission process is avoided.
Owner:BEIJING RUNKE GENERAL TECH

Real-time monitoring system applied to shared charging

The invention discloses a real-time monitoring system applied to shared charging. In the system, a second control module is also used for comparing fingerprint information of a charging side with numbered client fingerprint information, sending an enabling signal to the charging side via a second wireless communication module when the fingerprint information of the charging side is matched with the numbered client fingerprint information, and sending an inhibit signal to the charging side via the second wireless communication module if the fingerprint information of the charging side is not matched with any numbered client fingerprint information; a third control module is also used for opening a charging port when receiving the enabling signal and closing the charting port when receiving the inhibit signal. According to the real-time monitoring system applied to shared charging provided by the invention, the user can perform charge at the charging side via the above equipment; the purpose of user verification is achieved by detecting the fingerprint at the charging side; and the user can charge the equipment without a charge pal, thus being convenient, rapid and safe.
Owner:CHENGDU HONGSHAN TECH

Apparatus, method and device for verifying TEV (transient earth voltage) local discharge live detection device

The invention discloses an apparatus, method and device for verifying a TEV (transient earth voltage) local discharge live detection device, wherein the apparatus comprises a pulse generator for transmitting a calibration signal; a coupling device connected with a metal plate of matching impedance through a coaxial RF cable, wherein a TEV sensor under test is attached to a predetermined position of the metal plate; and a TEV tester main unit for testing a pulse response signal, wherein results of comparison for the pulse signal and the calibration signal are used for indicating test performance of the TEV local discharge live detection device. The technical problem that the related part is unable to provide field verification for TEV local discharge live detection equipment is solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +2

Logistics transportation supervision system based on big data

The invention discloses a logistics transportation supervision system based on big data, which belongs to the technical field of logistics and comprises a vehicle positioning module, a cargo scanningmodule, a logistics database, a travel verification module, a data updating module and a management server. The travel verification module is used for sending travel information of the vehicle information, the driving route and the real-time positioning information of the transport vehicle and a request for verifying the travel information to a traffic supervision system, verifying the travel of the transport vehicle and receiving a travel information verification result. According to the supervision system, a cargo scanning module and a vehicle positioning module are adopted to realize automatic acquisition of cargo information and logistics transportation monitoring among logistics network points; based on big data of vehicle information of a logistics database and a traffic supervisionsystem, the travel verification module is adopted to verify the vehicle travel information, so that a client can accurately know the current position of goods, and the possibility of counterfeiting transportation logistics data is effectively reduced.
Owner:NANNING COLLEGE FOR VOCATIONAL TECH

Portable pressure calibrator

The invention relates to a portable pressure calibrator which comprises a pressure gauge box, a pressure indicating gauge arranged on the pressure gauge box, a precise pressure gauge in the pressure gauge box, and a high pressure tank arranged at the lower end of the precise pressure gauge, wherein an air inlet check valve is arranged on one side of the high pressure tank; a pressure guiding pipeis arranged on an air inlet pipe and is connected with the pressure indicating gauge; an air source outgoing interface is arranged on an air exhaust pipe on the other side of the high pressure tank; an outgoing valuator is arranged on the air exhaust pipe; and an air exhaust valuator is arranged on a communicating pipe A. The portable pressure calibrator has the advantages that the structure is simple, the carrying is convenient, the operation is flexible, the time wasted on dismounting a transmitter is decreased, and errors caused by bumping and collision during the transportation are reduced; the calibration accuracy of the calibrator can be guaranteed while the calibration efficiency is improved; and in the whole calibration process, any electric pressurized equipment is not needed, and no energy consumption and loss are caused, so by using the portable pressure calibrator, the carbon output is low, the environment is protected, the energy is saved and the efficiency is high.
Owner:JIHUA 3502 PROFESSIONAL GARMENT

A simulation test method for tier III performance of marine low-speed diesel engine

The invention provides a simulation test method of Tier III performance of a marine low-speed diesel engine. The marine low-speed diesel engine comprises a parent form machine and a sub-type machine,wherein the exhaust gas of the sub-type machine directly enters a supercharger through an exhaust manifold, a throttling orifice plate is arranged in a pipeline of the exhaust manifold connected withthe supercharger for replacing and simulating a "throat" function of an HPSCR device so as to perform a performance simulation test under a Tier III condition and diesel engine performance parameter verification under the Tier III condition, and a diameter of a throttling orifice of the throttling orifice plate is calculated according to the diesel engine thermodynamic principle and diesel engineperformance data under the Tier III condition. According to the simulation test method provided by the invention, the diesel engine performance data under the Tier III condition are simulated by usingthe throttling orifice plate, so hat the performance parameter simulation test of the diesel engine under the Tier III condition and the performance parameter verification of the diesel engine can becompleted without installing the HPSCR device, thereby avoiding a lot of adverse effects brought by the installation of the HPSCR device, and the simulation test method is suitable for bench tests ofsub-type machines of marine low-speed diesel engines in which the HPSCR devices are installed.
Owner:CSSC MES DIESEL

Electrical quantity supplementary device based on wireless communication

The invention discloses an electrical quantity supplementary device based on wireless communication. The electrical quantity supplementary device is implemented according to the following steps of S1, detecting a user fingerprint and sending the fingerprint to a cloud by a client APP; S2, storing and numbering all fingerprints of the client by the cloud; and S3, sending fingerprint information to the cloud and comparing the fingerprint with the fingerprint after numbering of the cloud when the fingerprint information is detected by a charging end, starting to charge when the fingerprint information is matched with an arbitrary fingerprint after numbering of the cloud, and forbidding to charge if the fingerprint information is not matched with the arbitrary fingerprint after numbering of the cloud. In the electrical quantity supplementary device based on wireless communication, the charging of the user at the charging end can be achieved according to the steps, the purpose of user verification is achieved by fingerprint detection at the charging end, equipment can also be charged by the user in no need of a charger baby, and the electrical quantity supplementary device is convenient, rapid and safe.
Owner:CHENGDU HONGSHAN TECH

Camera cleaning experiment platform

The invention relates to a camera cleaning experiment platform. A modular layout is adopted, the angle and distance of a nozzle can be adjusted, and only one module needs to be updated for updating acamera or the nozzle, so that machining cost is greatly reduced. Meanwhile, through the design of a base, a experiment platform can be carried on an automobile, different angles and directions are adjusted, and the purpose of verification on the automobile is achieved, so that experiment cost is greatly reduced.
Owner:HANGZHOU HONG JING DRIVE CO LTD

Algorithm verification method and device based on SOC platform

The invention discloses an algorithm verification method and device based on an SOC platform, and the method comprises the steps: dividing an algorithm model into an ARM model and an FPGA model, adding a corresponding drive module, automatically enabling the ARM model added with a first drive module and the FPGA model added with a second drive module to generate corresponding types of codes, obtaining a first code suitable for the ARM chip and a second code suitable for the FPGA chip; calling a corresponding compiling tool through a control command of an operating system to compile the first code and the second code respectively, and generating an ARM mirror image file and an FPGA mirror image file; and sending the ARM mirror image file and the FPGA mirror image file to the SOC platform based on the downloading instruction. Therefore, the purpose of automatically compiling the algorithm model into different types of codes is achieved, and the purpose of automatically deploying the algorithm model on the SOC platform is also achieved, so that the algorithm can be verified on the SOC platform.
Owner:BEIJING JINGWEI HIRAIN TECH CO INC

A verification system and method for AFDX bus messages

The invention discloses an AFDX (Avionics Full Duplex Switched Ethernet) bus message verification system and method, wherein a sending end of the AFDX bus message verification system assigns a timestamp in an effective load of each piece of data of a message to mark a sequence of each piece of data of the message before the message is sent; and a receiving end of the AFDX bus message verification system carries out verification according to the received timestamp of each piece of data of the message and sequentially judges whether the own sequence of the data is normal or not, so that the purpose of verifying the sequence of the message data transmitted in all virtual links is achieved, and the verification accuracy of the sequence integrity of the message data is improved.
Owner:BEIJING RUNKE GENERAL TECH

Instrument verification joint and pressure verification platform

The invention relates to the technical field of instrument verification equipment, and discloses an instrument verification joint and a pressure verification platform, the instrument verification joint comprises a flange connection end (1) and a threaded connection end (2), the flange connection end can be connected with a flange structure of a diaphragm type pressure gauge (0), and the middle part of the flange connection end is provided with a through center hole (101); the threaded connection end is provided with a through hole (201) which penetrates in the axial direction of the threaded connection end and is communicated with the center hole, one end of the threaded connection end is connected with the flange connection end, and the other end of the threaded connection end can be connected with a threaded port of a pressure verification device. According to the invention, the problems that the connection port of the diaphragm type pressure gauge is of a flange structure, and the structure cannot be matched and connected with the threaded port of the existing detection device for verification, so that the diaphragm type pressure gauge is disposable from installation and use to scrapping, the production cost is high, and the requirements that the pressure gauge is regularly calibrated and cannot be calibrated cannot be met are solved.
Owner:CHINA SHENHUA COAL TO LIQUID & CHEM CO LTD

Trustworthy Verification Method for Routers in Wireless Ad Hoc Networks

ActiveCN105472619BStrong self-verificationImprove securityNetwork topologiesTransmissionThird partyAttack
The invention discloses a trusted verification method for routers in a wireless self-organizing network, which mainly solves the problems of single attack detection types, poor privacy protection and incapable of self-verification in the prior art. The technical solution is: without directly reading the log information of the router, the sender uses the communication rules of the handshake protocol for transmitting messages between nodes in the wireless ad hoc network to infer the log information of the receiver and the intermediate forwarding node, combined with the The hash tree of the verifying party calculates the hash value, performs security verification on the log information deduced by the receiver and the intermediate forwarding router, and detects whether there is an active or passive attack on the intermediate forwarding router. The invention does not introduce third party participation, and is completely completed by nodes in the wireless ad hoc network, which protects the privacy of data, meets the security requirements of the wireless ad hoc network, and can be used for trusted verification and malicious attack protection of wireless ad hoc network routers.
Owner:XIDIAN UNIV

Method, device and system for verifying transaction record data of electric vehicles

The invention discloses a verification method, device and system for transaction data of electric vehicle. The method comprises the following steps: acquiring the transaction recorded data of the electric vehicle, wherein the transaction record data comprises charging station information, running charging pile information and charging transaction recorded information; a plurality of accuracy is obtained according to the transaction recorded data; and the transaction log data is obtained corresponding to the accuracy rate of the preset condition among a plurality of accuracy rates. The verification method, device and system for transaction data of electric vehicle has the advantages of solving the technical problem that the erroneous transaction record transaction record data of the electric vehicle in the prior art is discarded, resulting in an incomplete transaction record.
Owner:STATE GRID BEIJING ELECTRIC POWER +1

Method and device for on-line verification of position sensor

The invention discloses an online checking method for a position sensor. The method comprises the steps as follows: initializing voltages corresponding to a first position offset and a second position offset in a characteristic curve, sampling a real-time voltage output by the position sensor, judging if the real-time sampled voltage in a certain time range is kept in a first threshold range, if so, judging if the voltage fluctuation amplitude in the time range is kept in a second threshold range, if so, updating the voltage corresponding to the first position offset in the characteristic curve to a real-time sampled voltage mean value in the time range, and regenerating the characteristic curve of the position sensor by the first position offset, the updated voltage corresponding to the first position offset, the second position offset and the voltage corresponding to the second position offset so as to achieve checking. According to the method, the shortcoming of non-checking in a machine running process in the prior art is overcome. The embodiment of the application further discloses an online checking device for the position sensor, and the accuracy of the position sensor is improved.
Owner:WEICHAI POWER CO LTD

Method, storage medium, device and system for protecting keychain data in ios

The invention discloses a method for protecting key string data in IOS, a storage medium, equipment and a system, and relates to the technical field of IOS data protection. The method comprises the following steps: creating a HOOK function in a current IOS system; Obtaining a reading function for reading key string data; Obtaining a stack information function used for obtaining the current function call stack information; performing HOOK on the obtained reading function by using the created HOOK function, so that the implementation method of the reading function is replaced by a custom implementation method added with a stack information function, wherein when the implementation method of the reading function is called, the reading function is intercepted and a user-defined implementationmethod is executed, so that calling stack information of the current calling reading function is obtained; And reporting the obtained call stack information to a server for legality verification. Themethod can effectively prevent the hacker program from reading the secret data in the key chain, and protects the safety of the key chain data.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Method and device for realizing information verification, computer system and storage medium

The invention relates to the technical field of block chains, and discloses a method and a device for realizing information verification, a computer system and a storage medium. The method comprises the following steps: a terminal acquires a public key corresponding to a private key held by the terminal; and the terminal sends the public key, the encrypted abstract of the verified information andthe digital signature of the encrypted abstract to a receiving end of a network access behavior so as to request the receiving end to use the public key to verify the digital signature according to the encrypted abstract, and the verified information is part of key information needing to be verified by the terminal. According to the embodiments of the invention, information verification is executed by a third party based on the blockchain technology, and any data related to the information needing to be verified except the encrypted abstract does not need to be obtained, so that the security and reliability of information verification are ensured, and only ciphertext interaction exists in the whole information verification process.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Code verification method and device, storage medium and processor

The invention discloses a code verification method and device, a storage medium and a processor. The method comprises the following steps: acquiring identification information corresponding to a task; scanning a code corresponding to the identification information under each storage path in the storage area, and determining the code as a first code corresponding to the task; a to-be-scanned first file configuration type is obtained, and the first file configuration type is at least used for indicating a to-be-verified target code type; screening the first code according to the target code type to obtain a second code; a scanning method corresponding to the first file configuration type is called to verify the second code, a verification report is obtained, and the scanning method at least comprises the compiling rule of the target code type. According to the method and the device, the technical problems of low development efficiency, low code readability and more code vulnerabilities caused by lack of a method for effectively verifying the code in related technologies are solved.
Owner:CHINA TELECOM CORP LTD

A gateway system and method for cloud service billing management

The invention discloses a gateway system and a gateway method for Cloud service accounting management. The gateway system comprises a client side, a Cloud service access gateway, and a Cloud source server. The Cloud service access gateway comprises a user interaction layer, a safety authentication layer and a single sign-on layer. According to requirements of system security and management of the Cloud service access gateway, frequent data transmission and synchronous information processing are performed with the client side and the Cloud source server to realize coordination action of cryptographic authentication and single sign-on. The method includes starting; logging in Cloud gateway; logging in Cloud service to start charging; migrating the Cloud service along with charging migration; logging out the Cloud service with end of charging; and ending with charging requests. In the method, interaction of a user and the Cloud service is realized in the client side, and technological means of interactive transmission in three functional layers can be used for achieving execution efficiency and safety of the gateway system of the Cloud service accounting management.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

A Verification Platform and Method for Heterogeneous Protocol Conversion

The present invention provides a verification platform and method for heterogeneous protocol conversion, including: a configuration management module, a packet driver module, a protocol conversion module, a reference model and an output monitoring module, and the configuration management module is used to check the working parameters and parameters of the protocol conversion module The environment variables are configured; the packet driver module is used to divide the excitation sequence into source protocol packets, and convert them into input bit streams, and convert the input bit streams into input data corresponding to each clock cycle; the protocol conversion module is used to Perform protocol conversion on the stimulus sequence; the reference model realizes the function of heterogeneous protocol conversion type from a higher level of abstraction, converts each input packet of the source protocol into a packet of the target protocol, and obtains the expected output packet; the output monitoring module is used to verify the protocol The data output by the conversion module is sampled to obtain the actual output packet, and field comparison is performed between the actual output packet and the expected output packet. The invention solves the technical problem of low verification efficiency for heterogeneous protocol conversion.
Owner:PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU

Oil level gauge calibration device

The oil level meter calibration device comprises a magnetostriction liquid level meter, a double-channel digital display instrument and a barrel, the two ends of the barrel are open, a strip-shaped groove penetrating through the side wall of the barrel is formed in the middle of one side of the barrel, and a straight steel ruler is arranged below the strip-shaped groove; a plurality of C-shaped elastic buckles are installed on the outer wall of the side, opposite to the strip-shaped groove, of the barrel in the length direction of the barrel, the probe rod is clamped in the elastic buckles, one end of the probe rod is a meter head, the floating ball is sleeved with the barrel, a handle is fixedly connected to the side, close to the strip-shaped groove, of the floating ball, and the handle extends out of the strip-shaped groove. A pointer is further installed at the bottom of the side, close to the gauge head, of the handle, a plurality of fixing buckles are evenly distributed on the top of the barrel in the length direction of the barrel, and the double-channel digital display instrument is connected with the gauge head and the piece to be tested. The device is simple in structure and reasonable in design, the remote transmission part of the magnetic flap liquid level meter can be effectively verified, the magnetic flap liquid level meter does not need to be disassembled, and normal work of the storage tank is guaranteed.
Owner:中国测试技术研究院流量研究所
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