35results about How to "Guaranteed electrical insulation" patented technology

The invention discloses a magnetron sputtering cathode target used in an ultra-high vacuum system. Its upper and lower flanges (15, 16) are built with intercommunicating cooling water tanks (13, 9), and the inlet and outlet pipes (1, 2) cut off the cooling water tank (9) and are welded to it, and the upper flange (15) The upper end is screwed to the target mounting cover (12), the magnet holder (10) and the magnet (11) are placed in the cavity, and the inner and outer knife edges (7, 8), the metal sealing rings (17, 18) at the place are fixed by screws (14), and the small flange (21) is welded outside the outlet pipe (2), and it is connected with the shielding cover (19) and the base flange (22) ) is interposed with insulating sheets (4, 6), and two ○-shaped rubber rings (23, 24) are interposed with the base flange (22) through which the exhaust pipe (3) penetrates, and are insulated through their outer sleeves. The screw (20) of sleeve (5) is fixed. Its vacuum degree is as high as 6×10-8Pa, which can realize the preparation of high-quality and high-purity metal or non-metal thin films.

The invention relates to a high-potential current acquisition system with a rain-proof function, which comprises a data acquisition box, a data receiving device and a trigger device, wherein the dataacquisition box comprises a shielding box, a data acquisition case and an adjustable resistor, the data acquisition case and the adjustable resistor are installed in the shielding box, the shielding box is connected with a high voltage wire and hung on a cross arm through an insulator, one end of the adjustable resistor is electrically connected with the shielding box, the other end is electrically connected with a discharge electrode below the shielding box through a conductive copper strip which is externally provided with an insulating layer, a resistance control line and a voltage measurement cable of the adjustable resistor are connected with the data acquisition case, and the data acquisition case exchange information with the data receiving device and the trigger device through an optical fiber. According to the invention, the data acquisition part of the high voltage side is placed in the metal shielding box, and information transmission between the high voltage side and the low voltage side is realized through the optical fiber, thereby not only being capable of shielding various types of electromagnetic interference and ensuring the electrical insulation between the highvoltage side and the low voltage side, but also being suitable for being used in a rain condition and creating favorable conditions for the research on air gap discharge under the raining state.

The invention provides a cobalt-based soft magnetic alloy strip coating and a preparation method thereof. The coating has the advantages of good working performance, small environmental pollution and low cost. The preparation method has the advantages of simple process and low production cost, and is suitable for industrial production. The coating comprises the following components by weight percentage: 20% to 30 % of ethanol, 3% to 5% of dioctyl phthalate, 10% to 13% of polyurethane, 27% to 31% of ferrite titanium dioxide compound, 5% to 8% of propylgallate and polyimide in balancing amount.

The invention relates to the technical field of lighting devices, and discloses a lighting device that ensures heat dissipation and electrical insulation, and increases loop space. The end openings are arranged; the inner shell wall is arranged in an arc shape inside the outer shell wall in the form of forming a slot space with the outer shell wall, wherein the shell wall without the inner shell wall partially forms a first groove; The device includes an arc-shaped heat dissipation wall with at least one end open and a second groove opened on the heat dissipation wall. The heat dissipation wall matches the corresponding slot space, and the second groove matches the corresponding first groove. The lighting device of the present invention realizes heat dissipation by inserting the arc-shaped heat dissipation wall into the slot space, and at the same time utilizes the grooves opened on the heat dissipation wall to increase the circuit space where the circuit substrate part of the lighting device can be arranged, or can ensure heat dissipation. At the same time, it can also reduce the volume of the casing to meet the needs of the miniaturization of the casing.

The invention discloses a large-power electromagnetic-induction ultraviolet germicidal lamp directly usable in water, and belongs to the field of sterilization apparatuses. The lamp comprises a glass shell, the glass shell is provided with an amalgam pipe with an opening facing to the inner chamber of the glass shell, the amalgam pipe is inside provided with amalgam, and the glass shell is externally provided with at least one group of electromagnetic devices; each electromagnetic device comprises a magnetic ring sleeving the glass shell and an induction coil wound around the magnetic ring, and the induction coil is connected with an output end of a high-frequency generator; and the electromagnetic devices are respectively packaged in sealing protection bodies, and each sealing protection body is prepared from nanometer tin copper powder and waterproof heat-conduction silica gel through mixing and high-temperature sulfuration. Through the sealing protection bodies, the ultraviolet germicidal lamp can be directly put into water for working, and during working, the ultraviolet germicidal lamp employs high-frequency oscillation electromagnetic field to excite mercury atom for radiating ultraviolet ray for sterilization. The ultraviolet germicidal lamp can be directly put in water for sterilization, ultraviolet ray loss because of electrical insulation and an employed quartz socket tube is reduced, the power of the ultraviolet germicidal lamp reaches 300 W to 400 W, and the ultraviolet germicidal lamp is small in volume and is widely applicable to process various kinds of water.

The invention provides a coating for a Fe-based nanocrystalline magnetically soft alloy strip, and a preparation method thereof. The coating has favorable working performance, and the advantages of small environmental pollution and low cost. The preparation method has a simple process and low production cost, and is suitable for industrial production. The coating for the alloy strip comprises the following components in percentage by weight: 20-30 percent of ethanol, 3-5 percent of dioctyl phthalate, 10-13 percent of polyimide, 27-33 percent of nanometer magnesia / nano-silicon oxide composite material, 3-7 percent of gallic acid propyl ester, and the balance of polyurethane.

The invention discloses an insulation structure used for a moving part and a vacuum circuit breaker including the insulation structure. The moving part is contained in an insulation shell body and can move between at least two positions. The moving part comprises an electriferous first end, a grounded second end opposite to the first end and an insulation portion arranged between the first end and the second end, wherein the first end is insulated with the second end through the insulation portion. The moving part is characterized by further comprising an extensible insulating part. The inner periphery side of the insulating part is connected with the periphery of the insulation portion in an enclosing and air seal mode. The peripheral side of the insulation portion is connected with the insulation shell body in an air seal mode so that the first end is separated from the second end in the air seal mode.

The invention discloses a hydrogen peroxide plasma sterilizer convenient for fixation of an object accommodating basket in a circular sterilization warehouse. The hydrogen peroxide plasma sterilizer comprises the object accommodating basket (1), the sterilization warehouse (2), an electrode net (3) and a connection seat (5), wherein a plurality of support seats (4) made of nonconducting materials are symmetrically arranged on the left side and the right side of the electrode net (3), platforms (B) and projections (C) are arranged on the support seats (4), connection bolts penetrate through via holes in the support seats and the electrode net to install and fix the support seats and the electrode net on the connection seats (5), grooves (A) matched with the projections (C) of the support seats are respectively formed in the left side and the right side of the bottom of the object accommodating basket (1), and the object accommodating basket is installed on the support seats by the grooves (A) in the bottom of the object accommodating basket. According to the hydrogen peroxide plasma body sterilizer, the relative fixation of the position of the object accommodating basket in the circular sterilization warehouse is realized, and the object accommodating basket is convenient to take and place; and the distances between the two sides of the object accommodating basket and the electrode net substantially increase, thereby guaranteeing the sterilization quality of medical apparatus and instruments placed on the inner left and right sides of the object accommodating basket.

The invention provides an insulating drip tube and its use. An insulating drip tube includes a tube body, and the tube body is provided with a liquid inlet, a diaphragm, a lumen and a liquid outlet in sequence from top to bottom. The diaphragm is sealed with the pipe wall of the pipe body, and one or more drip holes are arranged in the middle of the diaphragm, and the drip holes connect the liquid inlet and the lumen; There is an inert gas; the wall of the lumen is made of insulating material. The device can change the continuous flowing conductive liquid into discontinuous and mutually insulating droplets in the device, and maintain the electrical insulation of various conductive liquid conveying processes under the premise of ensuring the uniform flow of the conductive liquid, and has a small volume and no moving parts. , no drive, no control loop, simple structure, reliable performance, easy to integrate with equipment.