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44results about How to "Guarantee mutual isolation" patented technology

Large-area pectinate spraying head used for metal organic chemical gas phase deposition device

A large area comb-shaped sprinkler head for metal-organic chemical vapor deposition equipment is provided with two sets of comb-shaped sprinkler heads; the first set of comb-shaped sprinkler head consists of a gas A main pipe provided with a gas inlet and a plurality of gas A ventilation branch pipes which are lined in parallel; one end of each gas A ventilation branch pipe is communicated with the gas A main pipe and the other end is sealed; the second set of comb-shaped sprinkler head is provided with a gas B main pipe with the gas inlet and a plurality of gas B ventilation branch pipes which are lined in parallel; one end of each gas B ventilation branch pipe is communicated with the gas B main pipe and the other end is sealed; the gas A ventilation branch pipes and the gas B ventilation branch pipes are alternatively lined and connected into an integral structure; the gas A main pipe and the gas B main pipe are respectively arranged on the corresponding two sides of the integral structure; all gas A ventilation branch pipe and gas B ventilation branch pipes are opened with a plurality of sprinkler holes. The invention effectively feeds two source gases and separates them before they are sprayed into the reaction chamber, so as to evenly mix them before they reach above the substrate and react.
Owner:48TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

ADS-B portable device

The invention relates to an ADS-B portable device. The ADS-B portable device is installed in an aircraft, and the ADS-B portable device comprises a built-in GPS antenna, and an external antenna detection circuit and an antenna control circuit which are connected in sequence, wherein the external antenna detection circuit collects and processes measurement parameters, and the measurement parameters are used for judging whether the ADS-B portable device is connected with an external antenna; and according to the measurement parameters, the antenna control circuit controls the ADS-B portable device to receive GPS signals by using the built-in GPS antenna or the external antenna. According to the invention, the ADS-B portable device is capable of automatically switching the antenna to receiving the GPS signals, the cost of the device is saved, and the device is convenient for a user to use; in addition, when the external GPS antenna is used, the external GPS antenna is shielded a little, the receiving of the GPS signals is facilitated, and the stability of the signal emission is improved for the ADS-B portable device.
Owner:HARXON CORP

Method for writing transaction on basis of de-duplication SSD (solid state disks)

The invention discloses a method for writing transaction on the basis of de-duplication SSD (solid state disks). The method includes transaction read and write requests, request submission, request aborting and transaction recovery processes. Transaction write requests include computing fingerprints according to to-be-written data, searching fingerprint databases or transaction tables, directly updating the transaction tables if targets are hit, allocating new physical pages if the targets are not hit, writing the data and updating the transaction tables; transaction read requests include searching the transaction tables or address mapping tables according to logic addresses to obtain corresponding physical addresses, returning data read at the physical addresses if targets are hit, returning error information if the targets are not hit; request submission includes updating table items in the transaction tables, and updating the address mapping tables, inverse mapping tables and the fingerprint databases according to the transaction tables; request aborting includes marking the new physical pages allocated to the aborted transaction as junk pages; the transaction recovery processesinclude reconstructing information of the address mapping tables and the like according to transaction tables stored in flash after system breakdown. The method has the advantages that transaction processing mechanisms can be implemented in the de-duplication SSD, and the data consistency can be guaranteed.
Owner:HUAZHONG UNIV OF SCI & TECH

Reality virtual OLT method

The invention relates to a reality virtual OLT method and relates to the access network field. The vOLT is created, the basic information of the vOLT is respectively created on a network management and a command row of OLT equipment, and an ID and a name are included; vLOT object sets are constructed, the object sets comprise upper combined offer objects, slot position objects and passive optical network (PON) objects, and the vOLT object sets are respectively not overlapped; resource attributes are configured for the vOLT, including the vOLT account maximum number, the vLAN business maximum entry number and the dynamic MAC address learning maximum number; in the uplink direction, a VOLTVLAN layer is added when business goes out of a PON port, and the VOLTVLAN layer is stripped when the business goes out of an upper link port; in the downlink direction, the VOLTVLAN layer is added when the business comes into the upper link port, and the VOLTVLAN layer is stripped during outline card exchange. The method is advantaged in that users with different business grades can be distinguished, and fine operation and management of service providers are satisfied.
Owner:FENGHUO COMM SCI & TECH CO LTD

Local storage management method based on cloud platform block storage

The invention discloses a local storage management method based on cloud platform block storage, which is convenient for a user to carry out daily development test on a cloud platform. The method comprises the following steps: adding a cinder module function in the openstack; modifying a storage management framework cinder of the openstack, and adding a management function on the virtual disk in the qemu. A user creates a local volume on a corresponding physical machine, and the cloud platform creates an empty qemu virtual disk file on a corresponding hard disk; the cloud platform marks whichdisks are distributed into a resource pool for local storage management; the cloud platform formats the disks divided into the local storage pools and initializes some directory structures and authorities; the cloud platform monitors the storage resources and controls the read-write permission of each independent file; and the cloud platform manages the local storage volume. According to the invention, the management procedure is simplified, the storage cost is reduced, and the data security, convenience and rapidness are ensured.
Owner:启迪云计算有限公司

Gas non-contact type high efficiency energy recovery device

A high-effect energy recycler in airflow non-contact type comprises thermal siphon (1), fins (2), baffle plate (3), outer frame (4), base (5), top rod (6) and driver (7). The thermal siphon has working substance with low boiling point; several thermal siphons are sheathed with several fins to form heat exchange corn separated into two parts via baffle plate and connected to outer frame to form heat exchanger. Cold and hot airflows individually passes two parts of heat exchange corn, via the heat transmission of thermal siphons and fins to exchange heat. The base supports heat exchanger, the top rod is connected to the driver to change the working state of heat exchanger, to adjust capacity and change working state. The invention can avoid pollution of working airflow, with high efficiency and automatic state adjustment, low start temperature difference, low cost and high reliability.
Owner:BEIJING UNIV OF TECH

Magnetocaloric-pyroelectric composite material as well as preparation method and application thereof

The invention provides a magnetocaloric-pyroelectric composite material as well as a preparation method and application thereof, and belongs to the technical field of sewage treatment. The magnetocaloric-pyroelectric composite material is prepared from a magnetocaloric material and a pyroelectric material by adopting a sol-gel method, a hydrothermal method and a microwave sintering method. The composite material obtained by the invention has good stability, and contains a magnetocaloric material and can be recycled by using a magnet, so that the loss of a powder sample is small, the powder sample can be repeatedly used for multiple times, and the recycling rate is high. The composite material can be applied to degradation of organic pollutants.
Owner:NANJING UNIV OF SCI & TECH

Label-based memory system resource management method

The invention belongs to the technical field of computer storage, and particularly discloses a label-based memory system resource management method, which comprises the following steps: creating a memory system resource allocation statistical table based on label information and resource demand information of each application program running in a memory system; writing the label information of each application program in the statistical table into a CPU core where the application program is located, and marking a to-be-sent memory access request of the CPU core by adopting the label information to obtain a labeled memory access request; loading the information of the resource allocation statistical table to a hardware resource allocation table controlled by a controller of each layer of shared hardware cache equipment; and using the cache equipment controller for searching the label information and the resource region information corresponding to the labeled memory access request in the managed hardware resource allocation table when the labeled memory access request reaches each layer of cache equipment, so as to realize resource management. According to the invention, the servicequality of the application program can be ensured, data movement among storage layers is reduced, and system performance is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Intelligent anti-mixing valve

The invention relates to an intelligent anti-mixing valve which comprises an intelligent executor, a cylinder, a valve body, a main valve core and a secondary valve core, wherein an upper piston and a lower piston are arranged in the cylinder; the upper piston and the lower piston are both made of aluminum alloys; an upper piston sealing ring is arranged between the upper piston and the inner wall of the cylinder; a lower piston sealing ring is arranged between the lower piston and the inner wall of the cylinder; the upper piston sealing ring and the lower piston sealing ring are both made of nitrile rubber. Besides, the valve structure is optimally designed, so that the conditions of pollution, leakage and mixing during a working process are effectively prevented; no dead angle exists during a CIP cleaning process; sterile operations under various environments can be performed; mounting and dismounting are very simple and convenient; the daily nursing and maintaining of a factory are benefited; the sealing property of the products is better; the weight is lighter; the running is more reliable and accurate.
Owner:FUJIAN WOLONG PIPE & VALVE MFG

Feedback animal nerve electrical stimulation device

InactiveCN109364371AAutomatic adjustment of electrical stimulation parametersEnsure consistencyImplantable neurostimulatorsArtificial respirationElectricityPower flow
The invention relates to an electrical stimulation device and concretely relates to a feedback animal nerve electrical stimulation device comprising a master control module, a multi-channel stimulation pulse generation module, a connection module, a wireless communication module, a motion posture capture module, a calendar clock module and a power management module. The multi-channel stimulation pulse generation module further includes a multi-channel isolation unit that stimulates a current generation unit and is connected to the current generation unit. According to the feedback animal nerveelectrical stimulation device, the motion state information of a recipient animal is obtained by using the motion posture capture module so as to conveniently provide feedback information for the closed loop control of the electrical stimulation device. In addition, according to the device, the electrical stimulation currents of multiple channels are isolated from each other and effective electrical stimulation can be performed without mutual interference, and electrical stimulation parameters can be adjusted according to the working time of the electrical stimulation device to overcome the influence of the growth of surrounding physiological tissues after the implantation of an electrode in the head of the recipient animal on a current stimulation effect.
Owner:DALIAN UNIV OF TECH

Current-mode multiplexed-output DC-DC switch power supply of secondary current sampling

The invention discloses a current-mode multiplexed-output DC-DC (direct current) switch power supply of secondary current sampling, belonging to the technical field of electron. The secondary side of the main transformer T1 of the switch power supply at least comprises two paths of output circuits; while the output voltage of one path of output circuit is sampled, a coupling transformer T2 is connected in series between the rectification and follow current circuit of the output circuit and the secondary winding of the main transformer T1 connected with the output circuit; on the secondary level of the coupling transformer T2, a current sampling circuit is adopted to sample coupling current. The voltage sampling circuit and the current sampling circuit of the invention sample voltage and current by aiming at same path of output circuit, and thus the obtained current sampling signal can not be affected by other paths of output current or the primary exciting current of the transformer T1, and the invention can accurately sample exciting current output by the same output circuit; meanwhile, the coupling transformer T2 also ensures that the primary level and the secondary level of the power supply are mutually isolated.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Nuclear power engine device

The invention provides a nuclear power engine device. The nuclear power engine device comprises a base, a reactor system, an integrated engine and a connecting pipeline, wherein the reactor system comprises a pressure vessel, a reactor coolant inlet, a reactor coolant outlet, a reactor core, a control rod driving mechanism and the like, and the integrated engine comprises an air inlet port, a compressor, a heat exchanger, a turbine and an exhaust port; the heat exchanger comprises a primary-side heat exchange chamber and a secondary-side heat exchange chamber which are isolated from each other; the compressor comprises a front-end coolant compression section and a rear-end air compression section; and the primary-side heat exchange chamber is connected with the reactor coolant outlet and a front-end coolant compression section inlet through connecting pipes separately, a front-end coolant compression section outlet is connected with the reactor coolant inlet through a connecting pipe, and the secondary-side heat exchange chamber is connected with a rear-end air compression section outlet and the turbine through connecting pipes. By optimally designing a front compression section structure, a rear compression section structure, a primary-side heat exchange loop and a secondary-side heat exchange loop, integrated compression and efficient heat exchange of a primary-side working medium and a secondary-side working medium are realized, and the nuclear power engine device is compact, small, safe and efficient.
Owner:HARBIN ENG UNIV

Power-to-ground ESD protection unit and double-power broadband linear voltage stabilizer protection structure

The invention discloses a power-to-ground ESD protection unit and a double-power broadband linear voltage stabilizer protection structure. The characteristics of a bipolar transistor BE junction, RC delay and Darlington NPN transistor are utilized to construct a power-to-ground electrostatic protection unit, and the characteristics of the electrostatic protection unit and bipolar transistor BE areutilized to construct a double-power broadband bipolar linear voltage stabilizer full-chip electrostatic protection network. In the normal state of a chip, it is ensured that IO ports are isolated from one another, a full-chip electrostatic leakage access is constructed to the maximum extent, the full-chip antistatic capacity of a double-power bipolar linear voltage stabilizer is improved, and the antistatic protection network can be popularized to other double poles and analog circuits of a BCD technology.
Owner:XIAN MICROELECTRONICS TECH INST

Account checking system and corresponding computer equipment

The invention discloses an account checking system and corresponding computer equipment, and the system comprises a scheduling micro-service which is used for managing the scheduling of a timing taskof the account checking system; an HIS micro-service which is used for downloading an HIS bill from a hospital information system HIS in response to the calling of the scheduling micro-service; a medical insurance micro-service which is used for analyzing the audited medical insurance bill in response to calling of the scheduling micro-service, and performing real-time reconciliation on the medical insurance bill and the HIS bill according to a preset corresponding reconciliation data matching rule, in response to successful account checking, forming a financial receivable account from the corresponding data, and in response to account checking failure, forming difference data from the corresponding data. According to the invention, the bottleneck problem of system operation can be solved,the utilization rate of resources and the account checking speed are improved, and the deployment, test, release and maintenance are simpler.
Owner:望海康信(北京)科技股份公司

Three-computer data interaction and voting method suitable for Mars detection

The invention discloses a three-computer data interaction and voting method suitable for Mars detection. The three-computer data interaction and voting method comprises the steps of: setting a hardware shared memory independently in a satellite-borne computer system, and enabling each computer to directly access a memory address through using an IO interface between a CPU chip and the shared memory to obtain interaction information provided by other computers and interaction information written into the computer; sequentially writing three addresses of the memory according to bytes when the interaction information of the computer is written each time, sequentially reading the interaction information from the three addresses of the memory according to the bytes when the interaction information of other computers is read each time, performing two-out-of-three voting after reading is finished, and determining the final interaction information; and after computer software reads the interaction information sent by other computer software, performing two-out-of-three voting with the information of the computer, updating control information of the computer according to the voting result,finally completing information interaction and unifying operation states of control software of the three computers.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Airtight type fuel air heater

The invention relates to an airtight type fuel air heater. The heater comprises a machine box shell body, wherein a cold air inlet is formed in one side face of the machine box shell body, a hot air outlet is formed in the top surface of the machine box shell body, an electric part assembly is arranged in the middle of the machine box shell body, the electrical part assembly comprises an electrical part mounting board, the electrical part mounting board is provided with a transformer, a controller, a rectifier bridge and a filtering capacitor, a heater core assembly is arranged at the lower part of the machine box shell body, one end of the heater core assembly is connected with a fan, the fan is arranged at one end, close to the cold air inlet, of the heater core assembly, the other end of the heater core assembly is connected with the hot air outlet through a pipeline, an oil tank assembly and an electromagnetic pump assembly are arranged outside the machine box shell body, and the electromagnetic pump assembly is arranged below the oil tank assembly. The airtight type fuel air heater has the beneficial effects that the labor intensity of workers is reduced, the structure of theheater box body is good in overall gas tightness, the heating value is large, the overall stability is good, the shock resistance is good, the heater can realize remote operation to facilitate the operation of the personnel.
Owner:BEIJING JINGWEI VEHICLE EQUIP CO LTD

Sealing device for dust-free installation and butt joint of GIS equipment

The invention discloses a sealing device for dust-free installation and butt joint of GIS equipment. The sealing device comprises an annular sealing cover. The annular sealing cover is composed of twosymmetrical semi-cylindrical dust covers. Semicircular pipe grooves are formed in the vertical faces of the two sides of the dustproof cover correspondingly, and semicircular flange plates are arranged on the vertical faces of the outer sides of the semicircular pipe grooves correspondingly. Pipeline sealing sleevelets are arranged on the semicircular flange plates respectively; an observation window and a hand hole are respectively formed in the dustproof cover; and arm sealing sleevelets are arranged on the hand holes. The semi-cylindrical dust covers are in butt joint to form an annular sealing cover, the semi-circular pipe grooves are in butt joint to form a circular pipe groove and clamp a pipeline, and the semi-circular flange plates are in sealed butt joint with the pipeline through the sealing rubber ring layers to guarantee that the interior of the annular sealing cover is isolated from the outside. A person stretches an arm into the hand hole and carries out related operation, and the operation condition can be clearly seen through the observation window. The pipeline sealing sleevelet and the arm sealing sleevelet are both provided with elastic bands, and therefore thesealing performance of the joint can be guaranteed.
Owner:临沂超越电力建设有限公司

Annular sandwich multi-material 4D printing nozzle and 4D printing equipment

The invention provides an annular sandwich multi-material 4D printing nozzle. The annular sandwich multi-material 4D printing nozzle comprises a nozzle body, wherein a plurality of feed ports are arranged in the nozzle body in the circumferential direction; annular coaxial discharge ports in one-to-one correspondence with the feed ports are arranged in the bottom end of the nozzle body; and the feed ports and the discharge ports are communicated through runners embedded in sequence. According to the 4D printing nozzle provided by the invention, the plurality of feed ports and the discharge ports are coaxially arranged in a manner of embedding the runners, so that the utilization rate of the space structure of the nozzle body is greatly improved, the mutual isolation and non-dip dyeing of dissimilar materials can be ensured, and meanwhile, the printing efficiency and precision are improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN) +1

Hollow bridge frame convenient to install and adjust

The invention discloses a hollow bridge frame convenient to install and adjust. The E hollow bridge frame comprises a bridge frame 1 and a bridge frame 2. A line-dividing device is fixed on the innerbottom surface of the bridge frame 1 and the bridge frame 2. A rolling groove is arranged on the bottom surface of one side of the bridge frame 2 near the bridge frame 1, and a rolling ball is installed on the bottom surface of one side of the bridge frame 1 near the bridge frame 2. The rolling ball is placed in the rolling groove. Fixing grooves are arranged on the inner walls of the front and rear ends of one side of the bridge frame 2 near the bridge frame 1. The bottom surfaces of the fixing grooves are provided with a clamping groove 1 respectively. The outer walls of the front and rearends of the bridge frame 1 close to the bridge frame 2 are provided with grooves. Clamping columns are slidably connected on the inner walls of the grooves. Springs are fixedly connected between the clamping columns and the bottom surfaces of the grooves, and the clamping columns are clamped and fixed in the clamping grooves 1. The inner top surfaces of the fixing grooves are also provided with circular arc grooves. The bridge frame has good adjustability and can realize flexible adjustment of length and angle is convenient to fix after adjustment and greatly reduces labor cost.
Owner:ANHUI AUTOMATION INSTR

Current-mode multiplexed-output DC-DC switch power supply of secondary current sampling

The invention discloses a current-mode multiplexed-output DC-DC (direct current) switch power supply of secondary current sampling, belonging to the technical field of electron. The secondary side of the main transformer T1 of the switch power supply at least comprises two paths of output circuits; while the output voltage of one path of output circuit is sampled, a coupling transformer T2 is connected in series between the rectification and follow current circuit of the output circuit and the secondary winding of the main transformer T1 connected with the output circuit; on the secondary level of the coupling transformer T2, a current sampling circuit is adopted to sample coupling current. The voltage sampling circuit and the current sampling circuit of the invention sample voltage and current by aiming at same path of output circuit, and thus the obtained current sampling signal can not be affected by other paths of output current or the primary exciting current of the transformer T1, and the invention can accurately sample exciting current output by the same output circuit; meanwhile, the coupling transformer T2 also ensures that the primary level and the secondary level of thepower supply are mutually isolated.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A wire transfer catheter

The invention provides a wire transferring guide tube which is used for sealing connection between two mutually isolated cavities; the wire transferring guide tube comprises a main body, a sealing gasket and a pressing block, wherein the outer wall of the main body is divided into two sections in the connection direction of a first cavity and a second cavity; the section area of the outer wall ofthe first section is larger than that of the outer wall of the second section, so that a shaft shoulder structure is formed at the junction of the two sections of the outer wall; the main body is embedded in the connecting end wall of the first cavity, wherein one side of the main body is pressed and positioned through the connecting end wall of the second cavity, and the other side of the main body is blocked and positioned by the connecting end wall of the first cavity through the shaft shoulder structure; the inner part of the main body is provided with a section of hollow cavity structurein the connecting direction so as to accommodate the pressing block; the sealing gasket is arranged in the hollow cavity structure through the pressing block; and at least one channel is distributed in the connecting direction of the wire transferring guide tube so as to be used for interconnecting wires between the first cavity and the second cavity.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Device for burning and heating gas

The invention consists of a box, a connecting strip, an air intake valve and an exhaust connection plate. The box is made up of several metal sheet frames with end surfaces disposed a lot of buckled bodies on them. Two bent ends of a metal sheet frame are separately firm-jointed with next metal sheet frame. The above air intake valve and the exhaust connection plate are separately fixed on transverse both sides of the box and the connecting strip is fixed on the upper edge of the two sides of the box.
Owner:蔡振坤

Magnetostriction-piezoelectric composite material and preparation method thereof

The invention discloses a magnetostriction-piezoelectric composite material and a preparation method thereof. The magnetostriction-piezoelectric composite material is of a core-shell structure, a core layer of the core-shell structure is made of a magnetostriction material, a shell layer of the core-shell structure is made of a piezoelectric material, and the preparation method of the composite material comprises the following steps: (1) preparing a piezoelectric material precursor solution through a sol method; (2) preparing a magnetostrictive material through a hydrothermal method; and (3) adding the magnetostrictive material prepared in the step (2) into the piezoelectric material precursor solution prepared in the step (1), carrying out ultrasonic dispersion and drying, and carrying out thermal annealing treatment to obtain the magnetostrictive-piezoelectric composite material. The prepared magnetostriction-piezoelectric composite material is good in stability, convenient to recycle, capable of being repeatedly used for multiple times and high in recycling efficiency.
Owner:NANJING UNIV OF SCI & TECH

Frequency converting biological effect electromagnet system

InactiveCN101908400AMake up for fixityCompensation mode is singleSeed and root treatmentElectromagnets with armaturesBiological tissueBiological body
The invention discloses a frequency converting biological effect electromagnet system. The output end of a sweep frequency voltage generating circuit is connected with the input end of a voltage frequency converting circuit; the output end of the voltage frequency converting circuit is connected with the input end of an electromagnet control circuit; and the output end of the electromagnet control circuit is connected with unique circuit structures, such as electromagnet coil and the like; and the frequency converting biological effect electromagnet system can be used for automatically and periodically outputting a sweep frequency pulse magnetic field, has wide sweep frequency range, can greatly adjust sweep frequency range, sweep frequency period, magnetic field strength, and other physical quantities, and has a selectable magnetic field pulse way, provides a brand new action way and instrument for the scientific research and application fields of the magnetic field acting on organisms or biological tissue and overcomes the limitation and time consumption for stimulating the organisms or the biological tissue by the magnetic field with fixed frequency in the prior art. The invention can be used for the research and application of the magnetic field simulation of the organisms or the biological tissue and various magnetic field therapeutic apparatuses and has convenient and simple use.
Owner:STATE GRID CORP OF CHINA +1

Resource management system for distributed programming framework

The invention relates to a resource management system for a distributed programming framework. The resource management system for the distributed programming framework comprises a master portion and a slave portion, wherein the slave portion is used for starting a programming framework actuator, monitoring the running state of the programming framework actuator and reporting resource use information of the slave portion and resource use information of the programming framework actuator on the slave portion to the master portion. The master portion comprises a collector and a scheduler, wherein the collector is used for receiving and storing the resource use information of the slave portion and the resource use information of the programming framework actuator on the slave portion and storing cluster resource information and comprises a monitor for monitoring the resource use information of the programming framework actuator on the slave portion and transmitting the task of increasing or decreasing resources for the programming framework to the scheduler according to a resource adjustment decision trigger customized by the programming framework, and the scheduler is used for scheduling, issuing and controlling the task transmitted by the monitor. The resource management system is fine in compatibility and flexibility.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI
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