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

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.

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.

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.

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.

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.

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.

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.

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.

The invention provides a sterilization module for a refrigerator. The sterilization module comprises a sterilization device body, the sterilization device body comprises a box body and at least one isolation structure, and an accommodating space for sterilization substance reactants is formed in the box body; the isolation structures are assembled in the accommodating space and form an isolation area, so that at least two independent spaces for storing the sterilization substance reactants are formed in the accommodating space; and after the sterilization device body is activated, at least part of the isolation structures are separated from the isolation area, so that at least two reactants in an isolated state in the sterilization module are mixed to generate volatile matter for sterilization, and the volatile matter enters an inner container of the refrigerator from a ventilation part on the box body. The invention further provides the refrigerator. The sterilization module for the refrigerator can be used for preparing volatile matters for sterilization in real time, and the problems that the quantity of volatile matters for sterilization in a traditional sterilization module is small, and frequent replacement is needed are solved.

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.

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.

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.

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.

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.