82results about How to "Avoid stress damage" patented technology

The invention discloses a quantum dot sealing method, a quantum dot compound particle and applications. According to the method, quantum dots are made into quantum dot compound particles, then a blocking layer is arranged on the surface of each quantum dot compound particle so as to seal the quantum dots; after sealing, the interaction among quantum dots is reduced, thus the possibility of agglomeration is reduced; moreover, the air and water are obstructed; at the same time, the possibility that quantum dots are disturbed and destroyed by contacting the external environment, when the quantum dots are further dispersed into other materials or cured or during the device preparation process is reduced; the luminous efficiency of quantum dot is improved effectively, the service life of quantum dot is prolonged; and the provided quantum dot compound particle can be applied to optical devices such as light conversion material of liquid crystal display and has the advantages of high luminous efficiency of quantum dots and long service life.

The invention provides a wiring mechanism and a refrigerator. A refrigerator body of the refrigerator is provided with a compartment with a forward opening, a drawer type door body can move in the front-back direction so as to open or close the compartment, and an electrical component is arranged on the drawer type door body; and the wiring mechanism comprises a cable used for supplying power forthe electrical component and a drag chain for containing a part of the cable, one end of the drag chain is fixed to the interior of the compartment, the wiring mechanism further comprises a supportingframe fixed to the rear side of the drawer type door body, and a fixing box fixed on the supporting frame, the fixing box is provided with a first inserting port, and the other end of the drag chainis inserted into the first inserting port. According to the wiring mechanism and the refrigerator, cable deformation and damage can be effectively avoided through the drag chain, the stable electricalconnection between the drawer type door body and the compartment is guaranteed, moreover, the fixing box provided with the first inserting port is fixedly arranged on the supporting frame, so that inserting installation of the drag chain is realized, the assembly is more convenient and faster, and working is reliable.

The invention relates to a vacuum prepressing method of a sand-free cushion layer of a secondary circulation line system. In the method, the steps of superficial layer vacuum quick solidification, superficial layer vacuum secondary solidification and impacting compaction are used for prepressing, and the method specifically comprises the following steps of: distributing geotextile, a vertical plastic drainage short plate, a transverse plastic drainage short plate, a main drainage pipe and a secondary drainage pipe, wherein a vacuum film, a side ditch pressing film and a vacuum pump are arranged on the geotextile; paving a movable track and the vertical plastic drainage short plate; impacting and pressing a slag layer by using an impacting compactor, and the like. The invention overcomes the defects of high water content, low bearing capacity, difficult construction, and the like of vacuum prepressing soft foundation treatment and the defects of high expense, large repeated workload, long construction period, and the like of other methods. The invention has the advantages of strong bearing capacity, relatively simple construction, low expense, reduced workload, short construction period and obvious vacuum prepressing side sealing effect.

The invention belongs to the technical field of cable facilities in transformer substations, and particularly relates to a prefabricated finished cable trench. The prefabricated finished cable trench comprises a plurality of cable trench bodies and cable holders in the cable trench bodies. Each cable trench body comprises a first base plate and a second base plate which are connected fixedly. First trench walls and first square steel sets are arranged on the upper end faces of the first base plates from left to right. First cover plates are arranged at the upper ends of the first trench walls and the first square steel sets. Second square steel sets and second trench walls are arranged on the upper end faces of the second base plates. Second cover plates are arranged at the upper ends of the second squire steel sets and the second trench walls. The prefabricated finished cable trench has the advantages that the longitudinal depth design of conventional cable trenches is changed into flattening design, so that on the premise of guaranteeing utilization rate of cable channel sections, construction difficulty in laying of cables is reduced, and convenience is brought to follow-up maintenance and operation; multiple prefabricated modules are matched flexibly to splice cable trenches with different widths, and the prefabricated finished cable trench is applicable to cable laying at different places.

The invention provides a knee joint rehabilitation training device. The device comprises a thigh fixing plate, a shank fixing plate, a shank supporting frame, an angle limiting mechanism, two pairs ofwinding mechanisms and a thigh supporting frame; a settlement groove is formed in the bottom surface of a sliding groove of the thigh fixing plate, and an ice bag can be limited in the settlement groove through an elastic band; the shank fixing plate is slidingly arranged in the sliding groove; the shank supporting frame is in pivot joint with the thigh fixing plate and is provided with a plurality of clamping grooves; the angle limiting mechanism is arranged on the thigh fixing plate, and the front end of each locking bolt of the angle limiting mechanism can extend into the corresponding clamping groove to lock the shank supporting frame; the winding mechanisms are arranged on the thigh fixing plate and the shank fixing plate respectively, one end of a pulling rope connected to each winding mechanism penetrates through a corresponding through hole and is connected with one end of a corresponding fixing belt; the thigh supporting frame is used for controlling the lifting range of thethigh. The knee joint rehabilitation training device can fix the thigh and the shank at any angle, have the functions of knee joint flexion practice and knee joint straightening practice and be folded, stored and conveniently carried.

The invention relates to the technical field of steel bridge deck pavement, in particular to a precast ultra-high-performance concrete steel bridge deck pavement structure and a preparation method. The precast ultra-high-performance concrete steel bridge deck pavement structure sequentially comprises, from bottom to top, a steel slab base layer, a high-toughness resin waterproof bonding layer withthe thickness of 5-10 mm, a high-density fiber concrete precast pavement layer with the thickness of 4-6 cm and an epoxy gravel antiskid wearing layer with the thickness of 3-5 mm. The high-density fiber concrete precast pavement layer consists of high-density fiber concrete precast slabs; the high-density fiber concrete precast slabs internally comprise sparsely-distributed reinforcing mesh; each of the high-density fiber concrete precast slabs is provided with grouting holes and hole bottom dispersion openings in advance; opposite sides of each of the high-density fiber concrete precast slabs are equipped with a locking groove and a locking fastener; and the bottoms of the precast slabs are provided with high-elastic cushion rubber during pavement of a steel bridge deck. The precast ultra-high-performance concrete steel bridge deck pavement structure and the preparation method utilize a high-toughness resin contact surface full bonding manner, and can reinforce the steel bridge deck, thereby avoiding the stress damage to steel slabs caused by conventional welding rivet connection, improving mechanical properties of the pavement structure layer, and facilitating later maintenanceand repair of the pavement layer.

The invention discloses a two-grade sealing apparatus used for reduced pressure diffusion systems. The apparatus comprises a quartz tube, one orifice of the quartz tube is provided with an inner sealing end surface and an outer sealing end surface which are concentric, the inner sealing end surface is connected with a first-grade sliding door body to form a reaction cavity, the outer sealing end surface is connected with a second-grade sealing door body to form a transition cavity, and the second-stage sealing door body is connected with a push balancing assembly used for preventing pressing damages of the second-stage sealing door body to the outer sealing end surface. The two-grade sealing apparatus has the advantages of simple and reliable structure, and prevention of stress damages of the outer sealing end surface.

The invention relates to a direct-current chopping power module which comprises a shell and a main circuit board. The main circuit board comprises a substrate, semiconductor chips, devices, at least two electrode terminals and control terminals, the semiconductor chips and the devices are connected onto the substrate, the main circuit board is fixed with the shell through sealant, at least two electrode terminals are arranged on two sides of the substrate respectively, each electrode terminal comprises a support and an electrode leading plate, the supports are arranged inside the shell and vertically 'M'-shaped, a base plane of each support is fixedly connected with the substrate, the electrode leading plates penetrate out of a shell top plate and are arranged on the top surface of the shell, each control terminal comprises at least one fixed seat and more than two leading pins, at least two positioning columns and more than two driving circuit board seats are arranged on an outer portion of the shell top plate, and at least one limiting clamping pin is arranged on two sides on the outer portion of the shell top plate respectively. The direct-current chopping power module is modified in the electrode terminals, the control terminals and the shell, more rational in structure, good in shock resistance and capable of improving working reliability.

The invention discloses an assembling structure of a diode of a rectifier and a heat-radiating plate for an automotive, comprising the diode and the heat-radiating plate. The assembling structure is characterized in that the heat-radiating plate is provided with a through hole needed by press mounting; the diode adopts a copper base structure with a circumferential surface provided with straight lines; and the diode and the heat-radiating plate are pressed and mounted together in an interference way through the through hole. The invention has the advantages of effectively simplifying the process, reducing the defective index, also enhancing the heat-radiating effect of products and enhancing the reliability of the products.

The invention relates to the technical field of carriage stacking, in particular to stacking equipment for loading. The stacking equipment for loading comprises a stacking device and a stacking tool,wherein the stacking device comprises a base, a mechanical arm mechanism and a supporting mechanism, one end of the mechanical arm mechanism is hinged with the base, and the supporting mechanism is arranged in the middle of the mechanical arm mechanism; the stacking tool comprises a mounting rack, a luffing mechanism, a feeding mechanism, a distributing mechanism, material pushing mechanisms and supporting plate mechanisms; the mounting rack is connected with one end, far away from the base, of the mechanical arm mechanism through the luffing mechanism; the feeding mechanism is mounted on themounting rack, and the feeding mechanism forms a delivery channel; the distributing mechanism is provided with a distributing station arranged at an outlet of the delivery channel, and the supportingplate mechanisms are respectively arranged on two sides of the distributing station; and each material pushing mechanism is arranged on one side of the corresponding supporting plate mechanism and used for moving goods on each supporting plate mechanism out of each supporting plate mechanism for stacking. The stacking equipment is beneficial to realizing automatic loading of goods, and improving stacking efficiency, tidiness of goods stacking and stability of goods placement after stacking.

This invention relates to methods for treating, preventing, or reversing liver disease or damage produced by chronic alcohol intake by administering at least one peroxisome proliferator activated receptor (PPAR) agonist.

The invention provides an automatic heating device of a generator thrust block. The automatic heating device comprises an epoxy material sleeve which can be conveniently sleeved with the generator thrust block, wherein a heating coil is internally arranged in the epoxy material sleeve; an outer layer of the epoxy material sleeve is subjected to anti-deformation fixation by using a non-magnetic conductive metal outer frame and cylindrical heating device integration is formed; two horizontal support plates are symmetrically arranged on the upper end part of the epoxy material sleeve; one temperature controller which is matched with a temperature control probe slot arranged in the upper end surface of the thrust block and is provided with a temperature control probe is arranged on each horizontal support plate; the temperature controllers are connected to a power control box; the power control box is connected to the heating coil and achieves temperature-control heating; the non-magnetic conductive metal outer frame on the outer layer of the epoxy material sleeve comprises stainless steel ring support frames at the upper part and the lower part and a stainless steel reinforcing rib in the middle; the heating coil is an induction coil and an inductive heating mode thereof is a two-point temperature measurement and two-point temperature control mode; and the power control box is arranged on the horizontal support plates at two sides through a detachable ascending base at the lower part.

The invention relates to a semiconductor structure and a forming method thereof. The forming method comprises the steps of providing a semiconductor substrate, wherein the semiconductor substrate comprises a device region and a sealing region surrounding the device region, and the semiconductor substrate has a first surface and a second surface opposite to the first surface; forming a sealing ringon the first surface of the semiconductor substrate in the sealing region, and forming a semiconductor device on the first surface of the semiconductor substrate in the device region; etching the second surface of the semiconductor substrate, forming a device region through hole penetrating through the thickness of the semiconductor substrate in the device region, and meanwhile forming an annulargroove penetrating through the thickness of the semiconductor substrate in the sealing region; and filling the device region through hole and the annular groove with conductive layers. The annular groove is formed and filled with the conductive layer, so that the stress damage of the outside to the device region in a chip can be avoided, the erosion of external moisture or corrosive gas can be prevented, and the capability of protecting the device in the chip can be improved.

A non-glass device for connecting a laser gyroscope with an exhaust station is characterized in that a first corrugated pipe and the vacuum exhaust table are installed in a butt joint mode, the other end of the first corrugated pipe is connected to a three-way connector, the other end of the three-way connector is connected with a second corrugated pipe, a clamping sleeve connector of the second corrugated pipe is connected with the laser gyroscope, and the laser gyroscope is electrically connected with a high-voltage power source. The third port of the three-way connector is connected with a storage tank through a sealing connector, the storage tank is made of a non-glass material and is a hollow flat-bottom round cylinder with an opening in the upper end, and a getter is arranged on the flat bottom of the inner cavity of the storage tank. Flexible connection and sealing butt joint are achieved through the corrugated pipes, the sealing connector and the clamping sleeve connector respectively, so that the connection and disassembly efficiency of all parts between the laser gyroscope and the vacuum exhaust station is remarkably improved compared with glass sintering, meanwhile, potential safety hazards of a glass structure are avoided, fireless operation of the laser gyroscope is achieved, and the laser gyroscope is safe, convenient to use, and good in air tightness. In addition, thermal deformation interference is effectively reduced through a flow dividing device, the measurement precision of the laser gyroscope is improved, and the device has high practical value.

The invention discloses a diode capable of avoiding the bending of pins, comprising a chip, a conductor and a plastic encapsulating body, wherein the chip is encapsulated in a plastic encapsulating body, the conductor is connected on both sides of the chip, threaded holes are arranged at both ends of the plastic encapsulating body, and heat dissipating strips are arranged on the plastic encapsulating body. The invention has the advantages that the pin of the diode is detachable and convenient to store by setting a screw hole, and the problem of stress damage to the chip due to the direct bending of the pin in use is avoided, thereby reducing the electrical performance of the diode, and the heat dissipation capacity of the diode is improved by setting a heat dissipation bar. The invention has the advantages that the pin of the diode is detachable and convenient to store.

The invention provides a wiring mechanism and a refrigerator. The wiring mechanism is used for realizing the electrical connection between a drawer type door body and a refrigerator body, the refrigerator body is provided with a chamber which is opened forwards, the drawer type door body is capable of moving in the front and back direction to open or close the chamber, and the drawer type door body is provided with an electrical component; the wiring mechanism comprises a cable for supplying power to the electrical component and a drag chain for accommodating part of the cable, and one end ofthe drag chain is used for being fixed inside the chamber; and the wiring mechanism further comprises a support frame fixed on the rear side of the drawer type door body and a fixing box fixedly clamped with the support frame, and the other end of the drag chain is connected to the fixing box. The wiring mechanism effectively avoids the cable from deformation and damage through the drag chain, andthe drag chain is fixedly mounted through the fixing box fixedly clamped on the support frame, the assembly is more convenient, the structure is pleasing to the eye, and the work is safer and more reliable.

The invention relates to a thermal control structure and device for satellite-borne on-orbit information processing and service load, and relates to the field of mechanical thermal design, a power panel and a control panel are arranged close to a top plate and a bottom plate of a box body respectively, the area of the power panel is smaller than that of the control panel, and three side edges of the power panel are fixedly connected with three adjacent side walls at one end of the box body; the middle part of the box body is provided with an in-board device heat dissipation part close to the control board, one side of the in-board device heat conduction plate is fixedly connected with a large-size device in the middle of the top surface of the control board, and the other side of the in-board device heat conduction plate abuts against the in-board device heat dissipation part. The device has the beneficial effects that under weight constraint, size constraint, cost constraint and sensitive constraint of the device to temperature, heat of the device in the middle of the control panel is conducted to the device-in-plate heat dissipation part nearby through the device-in-plate heat conduction plate, the device-in-plate heat dissipation part conducts heat in a radiation mode, and the heat can also be conducted to a satellite top plate for heat exchange. Heat dissipation paths of devices in the middle of the control panel are shortened, heat dissipation efficiency is improved, and heat accumulation in the middle of the box body is reduced.

The embodiment of the invention relates to the technical field of ship coolers, and provides a ship outboard conformal cooler and a ship cooling system. The ship outboard conformal cooler comprises aplurality of heat exchange pipes, the heat exchange pipes are reducer pipes, each heat exchange pipe comprises a supporting part, and the supporting parts corresponding to the multiple heat exchange pipes are in contact with one another for supporting, so that a cooling water flow channel is formed among the multiple heat exchange pipes. According to the ship outboard conformal cooler and the shipoutboard conformal cooling system, the heat exchange pipes with the supporting parts are arranged, the multiple heat exchange pipes make contact with one another through the supporting parts to forma supporting structure, flow-induced vibration can be effectively restrained, periodic fatigue of a pipe bundle structure and stress damage caused by mutual collision are avoided, and the long-term use reliability of the cooler is improved.

The invention discloses a magnetic auxiliary laser patterning Micro-LED mass transfer method. The method comprises the following steps of bonding a Micro-LED chip array with a transfer substrate; placing the transfer substrate above a display substrate, placing the display substrate above a magnetic field, aligning the electrode of the Micro-LED chip array with the electrode of the display substrate, and adjusting the vertical distance between the transfer substrate and the display substrate; releasing the Micro-LED chip array on the transfer substrate through laser patterning, and aligning the Micro-LED array chip accurately with the display substrate under the action of the magnetic field; and welding the Micro-LED chip array and the display substrate at a high temperature. According to the method, the adhesive force of an adhesive layer is reduced through laser, and by adopting the patterning active transfer, the stress damage of a stamp transfer method to the Micro-LED and the transfer uncontrollability of a liquid phase transfer method and an electrostatic transfer method are avoided.

This invention relates to a high voltage acceleration tube composed of multiple connection rings laminated with electrode plates clamped between adjacent two of them, in which, said electrode plates have holes at the center set coaxially with the connection rings, the plates are made of Ti material and the connection rings are made of ceramic material, the rings and the plates are soldered, namely, an Al foil is clamped between them, 30-50 tons of pressure is applied to the accelerating tube along its axis and Al atoms are diffused into the Ti plates and the ceramic connection rings with the vacuum degree better than 5x10-4Pa and temperature at 600-650deg.C to endure high potential difference and high mechanical strength.