13results about How to "Reduce process links" patented technology

The application provides a kind of electric vehicle charger remote efficient metering verification method, it is related to electric vehicle charging equipment electric energy metering verification technical field, including in the charger production factory or nearby setting up charger metering verification laboratory, factory shipment fixed point verification is carried out;Charger connection device, charger detection equipment, monitoring equipment, remote operation facilities and safety facilities are arranged in the verification laboratory, and verification cloud platform is deployed in the remote operation facilities, the application sets up charger metering verification laboratory in the production factory or nearby, and adopts the virtual load verification mode that voltage source is separated from current source, simulates high voltage and large current working condition under low power condition, replaces the verification mode that traditional field needs to be configured with high-power physical load, so as to avoid the use of special detection vehicle and heavy load equipment, effectively reduces the equipment volume and construction cost, improves the equipment utilization.

The utility model belongs to the field of cables, and provides a high-voltage cable filled with an elastic semi-conductive buffer layer, which comprises a conductor; the insulating layer coats the outer surface of the conductor to ensure the stability of electric energy transmission; the conductor and the insulating layer are combined to form an insulating wire core, and liquid semiconductive foaming liquid is sprayed outside the insulating wire core through an argon arc welding process so as to foam outside the insulating wire core and form a semiconductive foaming buffer layer; and a metal aluminum sheath, an asphalt anti-corrosion layer, a non-metal sheath and a sheath outer semi-conductive layer are sequentially coated outside the semi-conductive foaming buffer layer from inside to outside. Compared with the prior art, the utility model has the advantages that the semi-conductive foaming buffer layer is sprayed on the surface of the insulation shielding layer in the production process of the argon arc welding process, so that on one hand, the process link of wrapping a buffer strip is omitted, the production efficiency is improved, and the production cost is reduced; and on the other hand, the important quality problem caused by damping of the buffer water-blocking tape is effectively avoided.

The application provides a packaging structure of a jack type power module, comprising: a first lead copper bar and a second lead copper bar, wherein the first and second lead copper bars are arranged on two sides of an inner surface of a plastic packaging shell; an integrated heat dissipation copper bottom plate is arranged in parallel with the lead copper bar group; each power chip group comprises a first power chip and a second power chip, wherein the first power chip and the second power chip are respectively welded on the first lead copper bar and the integrated heat dissipation copper bottom plate; each support group comprises a first metal frame and a second metal frame, one end of the first metal frame is connected with the corresponding first power chip, the other end of the first metal frame is connected with the integrated heat dissipation copper bottom plate, one end of the second metal frame is connected with the corresponding second lead copper bar, and the other end of the second metal frame is connected with the second power chip; and an embedded jack group is embedded in the packaging structure and is respectively welded on the lead copper bar group and the integrated heat dissipation copper bottom plate.

This invention discloses a workover rig, primarily relating to the field of workover operation technology. It includes a derrick and a second-level platform. An installation frame is located within the second-level platform, with a mounting base fixed at the far center of the frame. A robotic arm for gripping the tubing is mounted on the bottom of the mounting base. A cleaning module and a detection module are located at the end of the mounting base near the derrick. A buffer module is located on one or both sides of the installation frame. The cleaning module includes a cleaning ball and a second head. The cleaning ball comprises one or more overlapping air bladders, the maximum diameter of which corresponds to the inner diameter of the tubing. The second head is used to pressurize the top of the tubing filled with the cleaning ball. The detection module employs an eddy current detection device, including an extension cable and a probe. The probe has a vertical reciprocating stroke based on the extension cable's retraction and retraction. The buffer module is used to temporarily store tubing that passes the inspection. The beneficial effects of this invention are: it enables on-site inspection of tubing, and qualified tubing can be directly reused.

The application discloses a photovoltaic device, a photovoltaic system and a construction method of the photovoltaic system, and belongs to the technical field of photovoltaic technology. The photovoltaic device comprises at least one photovoltaic module group, a plurality of photovoltaic modules of the photovoltaic module group are sequentially hinged, the photovoltaic module group is provided with a roller on at least one side, and the roller is suitable for rolling cooperation with a module cable of the photovoltaic system; a box body, the photovoltaic module group is installed on the box body, and the box body comprises a base and a side wall; the base is provided with an anchoring point, the photovoltaic module group is supported on the base, the base is suitable for being installed on a first side column of the photovoltaic system, and the side wall is detachably installed on the base. According to the photovoltaic device, a large number of complex and tedious construction links can be transferred from high altitude to the ground, the photovoltaic module group can be quickly positioned and installed at high altitude, the wind area of the photovoltaic module can be greatly reduced under strong wind weather by switching the plurality of photovoltaic modules between a folded state and an unfolded state, and the economy, reliability and durability of the photovoltaic system are improved.

The invention discloses a universal three-temperature test system for a proximity switch. The system comprises a high and low temperature test box, a proximity switch detection device, a servo motion mechanism, an acquisition control system and a man-machine interaction system, the proximity switch detection device is installed in the high-low temperature test box, and the servo motion mechanism penetrates through the back of the test box to be connected with the proximity switch detection device in the test box and is used for controlling the distance between the proximity switch detection device and the induction face of the proximity switch to be detected, and measurement of the induction distance, repeated precision and return difference parameters of the proximity switch is achieved. The acquisition control system communicates with the servo movement mechanism, controls the servo movement mechanism to move according to the measurement stroke of the proximity switch, and simultaneously acquires, controls and monitors the state of the proximity switch in the high-low temperature test box; the man-machine interaction system carries test system software and is used for controlling the temperature change process in the high and low temperature test box according to setting, carrying out data processing on proximity switch information collected in the test process, drawing an electrical characteristic curve of the proximity switch under the three-temperature test condition, making a report and storing the report. According to the invention, automatic testing of electrical performance parameters of the proximity switch at different temperatures can be realized, the problem of difficulty in manual testing of the proximity switch at high temperature and low temperature is solved, and the production and delivery efficiency of the proximity switch is improved.

The application relates to the technical field of automobile part machining, and provides an automatic mechanism for workpiece turning machining, a feeding conveying line is arranged on the left side of a machining machine, a discharging conveying line is arranged on the right side of the machining machine, a visual mechanism is arranged on one side of the tail end of the feeding conveying line, a discharging positioning mechanism is arranged on the other side of the tail end of the feeding conveying line, the discharging positioning mechanism is arranged opposite to the discharging conveying line, and a mechanical arm material taking and placing mechanism is arranged between the discharging positioning mechanism and the discharging conveying line; the A surface of a workpiece transported on the feeding conveying line faces downward, visual identification is carried out through the visual mechanism at the tail end, the arc B surface of the B surface of the workpiece is clamped by the mechanical arm material taking and placing mechanism and is transferred to the discharging positioning mechanism, four workpieces are placed on the discharging positioning mechanism, the arc A surface of the A surface of the four workpieces is clamped by the mechanical arm material taking and placing mechanism and is transferred to the machining machine for machining, after the machining is completed, the four workpieces are clamped by the mechanical arm material taking and placing mechanism, air blowing is carried out, and then the four workpieces are transferred to the discharging conveying line.

This utility model discloses a splash-proof popcorn fryer, including a fryer pot. Side blocks are symmetrically fixedly installed on both sides of the fryer pot. A plate frame is rotatably installed on one side of each side block. A base is fixedly installed below the plate frame. A driving mechanism is provided at the rear end of the fryer pot. The driving mechanism includes a back block, a mounting base, a first U-shaped plate, a first rotating plate, a hydraulic cylinder, a second rotating plate, and a second U-shaped plate. The back block is fixedly installed at the rear end of the fryer pot, the mounting base is fixedly installed at the rear end of the back block, the first U-shaped plate is fixedly installed below the mounting base, the first rotating plate is rotatably installed below the first U-shaped plate, and the hydraulic cylinder is located below the first rotating plate. This design enables automatic popcorn dispensing, increasing practicality and solving the problem of inconvenient automatic popcorn dispensing in traditional popcorn fryers, which requires manual operation and increases labor intensity.

The invention discloses indoor decoration mortar with sound absorption and damping sound insulation functions, which comprises base layer mortar and surface layer mortar, the base layer mortar comprises the following components by weight: 35-55 parts of sand grains (50-130 meshes), 3-5 parts of white rubber particle powder (50-100 [mu] m), 15-25 parts of water (H2O), and 5-10 parts of epoxy resin; 3-10 parts of an acrylic emulsion, 2-4 parts of a water-based paint flexibilizer, 1-2 parts of a wetting dispersant and 1-3 parts of a silane coupling agent; the surface layer mortar is prepared from the following components in parts by weight: 50 to 70 parts of sand grains, 5 to 15 parts of magnesium silicate (MgSiO3), 5 to 15 parts of epoxy resin and 15 to 25 parts of water (H2O); the problems that in the prior art, decoration attractiveness and sound absorption performance cannot be achieved, and resonance of a decoration surface layer plate cannot be effectively regulated and controlled are solved.

Embodiments of the present application provide a diopter detection method, device, host computer and system. The method is applied to the host computer. An imaging device connected to the host computer includes a liquid lens to be detected. The imaging device is configured to capture an image of a mark board by the liquid lens. Different positions of the mark board are provided with different marks. The method receives an image captured by the imaging device when the liquid lens is at different adjustment parameters. Then, a target mark in the image is determined. The clarity of the target mark is greater than that of other marks in the image. The diopter of the liquid lens at different adjustment parameters is determined based on the position of the target mark in the three-dimensional space. The method does not need to additionally configure a focal length instrument, thereby reducing the cost required for diopter detection. The method is implemented by the host computer, thereby reducing the manual participation link and improving the accuracy of diopter detection.

This invention relates to a phased array antenna subarray, comprising an external interface layer, a beamforming network layer, an amplitude and phase multifunction layer, a low-noise amplifier (LNOA) layer, and an antenna layer. The antenna layer and the LNOA layer are disposed on a first metal-based PCB board, while the amplitude and phase multifunction layer, the LNOA layer, and the antenna layer are disposed on a second metal-based PCB board. The bottom layer of the first metal-based PCB board and the top layer of the second metal-based PCB board are connected together, achieving integrated encapsulation of the external interface layer, beamforming network layer, amplitude and phase multifunction layer, LNOA layer, and antenna layer. Both the first and second metal-based PCB boards are provided with multiple grounding and heat-conducting vias. This invention enables the phased array antenna to be lightweight, small, and thin while also possessing excellent heat dissipation and good scalability, allowing for expansion of the number of elements and frequency bands.

The application relates to the technical field of cellulose derivative preparation, and discloses crosslinked sodium carboxymethyl cellulose and a preparation method thereof. The crosslinked sodium carboxymethyl cellulose is prepared from sodium carboxymethyl cellulose as raw material by adopting a disulfide crosslinking agent-epoxy chloropropane composite crosslinking system, and through raw material pretreatment, phosphoric acid catalytic activation, microwave-ultrasonic synergistic crosslinking, pH adjustment and anhydrous ethanol post-treatment. The composite crosslinking system forms a double crosslinking network, the microwave-ultrasonic synergistic strengthening reaction is uniform, and an additional impurity removal step is not needed. The application simplifies the process, reduces the cost, and the product has high light transmittance, large viscosity, excellent swelling degree and good substitution uniformity, and can be used for high polymer materials.

The utility model provides a kind of soil sampling device, including lifting mechanism, mounting seat, drive mechanism and sampling cylinder, sampling cylinder is connected on mounting seat by bearing, sampling cylinder is hollow cylinder body with closed top, bottom is provided with opening, the application adopts lifting mechanism, drive mechanism and other components, the automation of sampling process is realized, lifting mechanism can drive mounting seat and sampling cylinder to move up and down, drive mechanism can drive sampling cylinder to rotate, reduce the link and labor intensity of manual operation, when cleaning, only need to put cleaning mechanism into sampling hole, utilize drive mechanism and drive sampling cylinder to move downwards, make cleaning rod enter sampling cylinder, again cooperate drive mechanism and drive sampling cylinder to rotate, cleaning bristle can carry out comprehensive, effective cleaning to sampling cylinder inner wall, this cleaning mode does not need manual operation, avoid the problem that artificial cleaning is inefficient, difficult to remove stubborn residue completely.