31results about How to "Failure will not occur" patented technology

The invention discloses a series diaphragm pump with non-return and anti-leakage functions, and relates to the technical field of diaphragm pumps. The diaphragm pump comprises a shell mechanism, a diaphragm mechanism, a driving mechanism and a non-return mechanism; specifically, the shell mechanism comprises a supporting component, a diaphragm seat and an upper cover, wherein a first accommodatingcavity, a second accommodating cavity and a third accommodating cavity are clamped between the upper cover and the diaphragm seat, and the diaphragm seat is provided with a first channel, a second channel and a third channel; the diaphragm mechanism comprises a diaphragm, and a first movable bag and a second movable bag which are connected in series, wherein the diaphragm is provided with a firstdiaphragm body and a second diaphragm body, the first movable bag comprises a first bag cavity, the second movable bag is provided with a second bag cavity, the first channel and the second channel communicate with the first bog cavity, and the third channel and the third cavity communicate with the second bag cavity; the driving mechanism is used for driving the first movable bag and the secondmovable bag to move up and down in a staggered mode; and the non-return mechanism is used for preventing external solution from flowing back to the second bag cavity.

The present invention relates to separated double electrode acid chemical plating process of preparing copper interconnection in integrated circuit, and belongs to the field of chemical plating application. The process adopts one silicon substrate as cathode, and one silicon substrate with coated refractory metal or its nitride on one side and the other parts coated with silver glue or organic glue to prevent corrosion in the chemical plating as anode, and the separated cathode and anode are set in acid solution to produce oxidation-reduction reaction, so as to plate one layer of copper film directly on the silicon substrate with refractory metal or its nitride. Thus produced copper film has homogeneous and fine particles, powerful combination with substrate, preferable (1, 1, 1) crystal particle orientation, and no cuprous oxide. The process may be used to replace alkaline and single electrode acid chemical copper plating process.

The invention discloses an electronic door lock driving protection and door opening overtime automatic alarming system of a security door. The automatic alarming system comprises an electronic door lock, a proximity switch, a metal sheet, a DSP control system, a GPRS module, a time delay circuit, an electronic door lock driving circuit, a power source module, an alarming lamp, a buzzer and a USB interface for providing an emergency power supply; a single-chip microcomputer is connected with the proximity switch, the time delay circuit is connected with the alarming lamp and the buzzer, the GPRS module is in communication with a mobile terminal, and the electronic door lock driving circuit is connected with the electronic door lock; and the power supply output end of the power source module is connected with the power supply input end of the electronic door lock driving circuit through an overcurrent, overvoltage and overheating protection circuit. The electronic door lock driving protection and door opening overtime automatic alarming system is reasonable and reliable in structure, overcurrent, overvoltage and overheating protection can be provided, the emergency power supply can be provided under the condition that the power source module is out of power, the opening time of the door can be detected, automatic alarming will be carried out for reminding if overtime occurs, and the safety factor and the anti-theft effect are improved.

A manufacturing method of a PMOS (p-channel metal oxide semiconductor) device includes providing a substrate, forming an isolation structure in the substrate, forming a grid and side walls above the substrate and forming a source area and a drain area in the substrate; forming a silicon layer on the surfaces of the source area, the drain area and the side walls; converting the silicon layer into a silicide contact layer; forming conductive plugs on the silicide contact layer. The invention further provides the PMOS device. The PMOS device comprises the substrate, the isolation structure, the source area, the drain area, the grid, the side walls, the silicide contact layer and the conductive plugs, wherein the isolation structure, the source area and the drain area are formed in the substrate, the grid and the side walls are arranged on the substrate between the source area and the drain area, the silicide contact layer is formed on the surfaces of the source area, the drain area and the side walls, and the conductive plugs are formed on the silicide contact layer. The PMOS device has the advantages that even if the conductive plugs deviate, the conductive plugs cannot be disconnected with the source area or the drain area, and the source area and the drain area are small enough, so that the performance of the PMOS device is improved.

The invention discloses a solar photo voltage / thermal collector energy collection system which comprises at least one energy collection device. Each energy collection device comprises a photovoltaic unit used for photovoltaic conversion and a photo-thermal unit used for photo-thermal conversion. Each photo-thermal unit comprises at least one layer of grating-shaped thermal collection plate. Each grating in each thermal collection plate is through in the longitudinal direction, so that a plurality of arc-shaped containing cavities corresponding to all the gratings are defined. Each photovoltaic unit is arranged on the surface of one side of the corresponding photo-thermal unit. The containing cavities of the thermal collection plates pass through a water circulating mechanism to be connected with a water storage mechanism. The photovoltaic units are connected with an electric power storage mechanism to form the energy collection system. The solar photo voltage / thermal collector energy collection system can be suitable for large-scale mounting and application, and has the effects of being light and easy to maintain, meanwhile consciously lowering water supply temperature, adopting low-temperature heating as a main target, and being high in technical adaptability, controllable in cost and good in practical effect.

The invention belongs to the field of polymer composite materials, and relates to a polymer hydrogel film with piezoelectric property and preparation and application thereof. The invention provides a high-molecular hydrogel film with piezoelectric property, the high-molecular hydrogel film comprises an outer layer and an inner layer, the outer layer is high-molecular hydrogel, and the inner layer is a piezoelectric polymer film. The invention provides a novel high-molecular hydrogel film with piezoelectric property, and due to the characteristic of high hydration of hydrogel, a molecular chain can more strongly capture surrounding water molecules to influence a hydrogen bond network in water so as to activate the water; in addition, due to the fact that the hydrogel film has the piezoelectric property, by means of the piezoelectric property of the film, the film can continuously convert wave energy in the ocean into electric energy, the electric energy can be used for further activating water which is activated by the hydrogel and located around molecular chains, and meanwhile unaffected water which is far away from the molecular chains in the hydrogel can be activated; energy required by water evaporation is reduced again, and the water evaporation process is promoted synergistically.

The invention discloses a driving protection and safety protection system of an electronic door lock of a security door. The driving protection and safety protection system comprises the electronic door lock, a pressure sensor, a temperature sensor, a DSP control system, an electronic door lock driving circuit, an alertor, a GPRS module, a power supply module and USB connectors; the power supply module is connected with the electronic door lock driving circuit through an overflowing, overvoltage and overheating protection circuit, and one of the USB connectors is connected with the electronic door lock, the DSP control system, the electronic door lock driving circuit and the overflowing, overvoltage and overheating protection circuit; and the pressure sensor, the temperature sensor, the alertor and the GPRS module are connected with the DSP control system correspondingly, and the GPRS module is connected with a phone of a resident and the alerting terminal of the public security organization in a wireless communication mode. According to the driving protection and safety protection system of the electronic door lock of the security door, the structure is reasonable and reliable, overflowing, overvoltage and overheating protection can be provided and an emergency power supply is provided under the circumstance of power failure; and when deliberate sabotage is conducted by lawbreakers, alerting signals are sent out by the system, and thus property loss is reduced.

The invention relates to manufacturing equipment for forging processing material and a manufacturing method for same. The manufacturing equipment comprises a chamfering device. The chamfering device is installed at the neighborhood of a cutter cutting rod-shape material in the predetermined length and produces the cutting material, and performs the chamfering when sides of a pair of modes are pressed on corner angles of the cut raw material. The pair of molds comprises one mold forming a mold surface for a chamfer on one side and the other mold forming a mold surface for another chamfer on the other side. The one chamfer presses one corner angle part of the cut raw material to form a regulated surface with a cross section shape; and the other chamfer presses the other corner angle of the cut raw material to form another regulated surface with a cross section shape. The pair of molds is in a structure that upon chamfering, the peripheral part of one mold is embedded into a guide inner peripheral part of the other mold. Production efficiency can be improved and forging quality can be enhanced.

The invention relates to a redundant braking system based on vehicle automatic driving and a braking method thereof. The system comprises a main controller, a first controller, a second controller and a third controller, the main controller is connected with the first controller, the second controller and the third controller, the first controller is used for controlling the hydraulic mechanism and the third controller according to a braking request sent by the main controller so as to brake the vehicle; the second controller and the third controller respond to the braking request of the main controller respectively, and braking of the vehicle is achieved by controlling a parking braking mechanism and / or a driving motor of the vehicle. On the basis that a braking backup unit is not added, the electronic parking and the driving motor are adopted to meet the braking redundancy requirement, the parking braking system serves as a part of service braking redundancy, multiple braking redundancy is formed, the service braking redundancy and the parking braking redundancy are met at the same time, and the utilization rate of the braking system is increased.

The invention discloses a booster installing and supporting structure with an assembling compensating function. A first supporting block, a second supporting block, a third supporting block and an elastic device are included. The interiors of the three supporting blocks are integrated and connected through slide rails; the first supporting block and the second supporting block are in bevel contact, and the second supporting block and the third supporting block are in horizontal plane contact. In use, the supporting structures are uniformly distributed in the peripheral direction and adhere tothe inner wall face of a combustion chamber. After a booster is pushed in, the first supporting block retracts in the circle center direction along the slide rail bevel so that the head of the boostercan be tightly held. When the supporting structure bears the radial load, due to friction self locking, the structure is in a stable tight holding state all the time. The remaining travel of a springcan compensate for the axial heat expansion of the booster. The booster installing and supporting structure with the assembling compensating function has the assembling compensating capacity and thethermal expansion compensating capacity, and when a liquid stamping engine plug-in type booster has a diameter deviation and also needs to meet the reloading requirement, the booster installing and supporting structure can serve as the installing and supporting structure of the booster.

The invention discloses an elevating mechanism of a noodle cooker. The elevating mechanism of the noodle cooker comprises a fixing seat, an elevating rod and a drive device, the elevating rod is vertically arranged on the fixing seat and capable of moving up and down, the elevating rod is provided with a rack, the drive device is corresponding to the elevating rod, and a gear engaged to the rack is arranged on the output end of the drive device. The elevating mechanism of the noodle cooker is simple in structure, less in product parts, smart and reasonable in design, small in volume, high in product precision, difficult to break down, easy to maintain, and low in production and use cost, and noise is avoided in running.

The invention provides an ash hopper device capable of accurately judging and relieving accidental ash deposition of an ash separator. The ash hopper device comprises a hopper body and an ash discharging pipeline, wherein the hopper body is provided with a designed bearing ash level and a high-ash-level prewarning ash level, and the ash discharging pipeline is provided with an ash inlet pipe extending into the hopper body and a detecting port extending out of the hopper body; the opening of the ash inlet pipe is located between the designed bearing ash level and the ash hopper high-ash-level prewarning ash level; and the detecting port can be sealed through a sealing assembly capable of being opened and closed. Whether an ash separator ash hopper is in a normal state or in an abnormal state can be conveniently judged at the detecting port; and moreover, deposited ash can be discharged through the detecting port after the ash separator designed stored ash bearing capacity is exceeded and after the amount of the ash in the ash hopper is more than normal ash storage amount, and the protective function to the ash separator is achieved.

The invention relates to a half-cut liquid crystal film and a processing method, the half-cut liquid crystal film comprises a first substrate, a first conductive layer, a liquid crystal layer, a second conductive layer and a second substrate, and the half-cut liquid crystal film is characterized in that a half-cut line formed by half cutting is arranged at a preset distance in the edge of the liquid crystal film, and the half-cut line at least penetrates into one of the first conductive layer and the second conductive layer. According to the invention, through half-cutting, the two internal conductive layers are not conducted; accordingly, during full cutting, even if the conductive layer in the outermost edge is adhered, the electrical property of the whole liquid crystal film cannot be invalid; thus, in the machining process, during full cutting, a smooth outer tangent plane without slag falling can be obtained by utilizing the cutting advantage of the CO2 laser; during half-cutting,the electrical performance failure of the liquid crystal film can be avoided by utilizing the advantages of ultraviolet cutting, so that all the advantages of ultraviolet cutting and CO2 laser cutting in the prior art can be combined, the defects of ultraviolet cutting and CO2 laser cutting can be eliminated, and a required product can be obtained.

The invention provides a bearing type spherical hinge comprising a spherical pin sleeve (1), a spherical pin seat (2), balls (3), a spherical pin (4) and a rolling way (5). The spherical pin seat (2)is provided with a plurality of ball installation holes (21). The balls (3) are movably installed in the ball installation holes (21). The rolling way (5) forms a hollow inner cavity and is fixedly installed in an inner cavity of the spherical pin sleeve (1). The spherical pin seat (2) is fixedly installed in the inner cavity of the rolling way (5). A spherical head portion of the spherical pin (4) is movably installed in the inner cavity of the spherical pin seat (2). When the bearing type spherical hinge is used under the conventional working conditions of normal temperature, light load, medium load and the like, the spherical hinge seat can bear the load, under the severe working conditions of heavy load, high temperature and the like, the balls can be switched to bear the load, in thisway, the bearing performance of the spherical hinge under different working conditions is greatly improved, and then the excellent-performance spherical hinge structure with a wide temperature domainand a wide load range is formed.

The invention discloses a booster installing and supporting structure with an assembling compensating function. A first supporting block, a second supporting block, a third supporting block and an elastic device are included. The interiors of the three supporting blocks are integrated and connected through slide rails; the first supporting block and the second supporting block are in bevel contact, and the second supporting block and the third supporting block are in horizontal plane contact. In use, the supporting structures are uniformly distributed in the peripheral direction and adhere tothe inner wall face of a combustion chamber. After a booster is pushed in, the first supporting block retracts in the circle center direction along the slide rail bevel so that the head of the boostercan be tightly held. When the supporting structure bears the radial load, due to friction self locking, the structure is in a stable tight holding state all the time. The remaining travel of a springcan compensate for the axial heat expansion of the booster. The booster installing and supporting structure with the assembling compensating function has the assembling compensating capacity and thethermal expansion compensating capacity, and when a liquid stamping engine plug-in type booster has a diameter deviation and also needs to meet the reloading requirement, the booster installing and supporting structure can serve as the installing and supporting structure of the booster.

The invention provides a safety signal valve automatically discharging dust for a dust remover dust hopper in a severe dust accumulation state. The safety signal valve is installed on a dust discharging pipeline. The dust discharging pipeline is provided with a dust inlet pipe stretching in a hopper body and a dust discharging pipe stretching out of the hopper body. The hopper body is provided with a design bearing material level and a high-material-level warning material level, wherein the dust inlet pipe is located between the design bearing material level and the high-material-level warning material level. The safety signal valve comprises a detection opening flange fixedly arranged at a pipe opening of the dust discharging pipe, an elastic pressure applying assembly fixedly connected with the detection opening flange, and a door rod, wherein one end of the door rod is connected with a valve deck used for sealing the pipe opening, and the other end of the door rod is connected with the elastic pressure applying assembly. The safety signal valve can be matched with the dust discharging pipe to conveniently judge whether the dust remover dust hopper is in a normal state or an abnormal state; and in addition, automatic dust discharging can be conducted after the design dust storing bearing capability of the dust remover is exceeded, and meanwhile, sound-light alarming of the dust remover in the accidental dust accumulation state is achieved.

The invention relates to the technical field of teaching experiment tools and especially relates to a spring-loaded thrust meter. A first slide chute is arranged symmetrically about the length direction at positions of center lines on two sides in the inner part of a main support rack. A second slide chute structure is arranged exactly below the first slide chute. Therefore, a problem of connection between a secondary support rack and the main support rack and between an auxiliary support rack and the main support rack is solved. A first spring is arranged in a first round clamp groove. A first salient button is arranged exactly above the first spring. A second spring is arranged in a second round clamp groove. A second salient button is arranged exactly above the second spring. Therefore,a problem of fixation of the secondary support rack and the auxiliary support rack in storage is solved. Triangular clamp blocks are symmetrically arranged about a middle line in the thickness direction on the outer part of one end of the secondary support rack. Triangular clamp chutes are arranged symmetrically on two sides of a rectangular through hole. Therefore, problems of fixation and supporting between the secondary support rack and the auxiliary support rack are solved.

The invention relates to a fire-extinguishing device. The fire-extinguishing liner comprises a liner housing 1, a fire extinguishing agent 2 and a gaseous state space 3, wherein the liner housing 1 is a closed body made of a flexible material or non-flexible material, and is filled with the fire extinguishing agent 2 with a volume percentage of 30-95 percent, and the balance 5-70 percent by volume of space is the gaseous state space 3. The invention relates to an application of the fire-extinguishing liner as a raw auxiliary material of construction materials, decoration materials or finishing materials for doping in various common building auxiliary raw materials to make into the building materials or prefabricated part products required by buildings. An independent liner structure is adopted by the fire-extinguishing liner, each liner is an independent unit body, and no explosion power source and no igniter are used, so that mistake explosion, error explosion and failed explosion source cannot be caused. The fire-extinguishing liner provided by the invention can automatically extinguish fire in various stages by adopting layered and gradient manners during extinguishing, rescuing, protecting and maintaining according to demands, quantity and process without depending on devices and personal attendance.

A connector assembly includes a first connector and a second connector. The first connector has locking lugs. The second connector has a cantilevered latch configured to slidably engage the locking lug. Cantilevered latches consist of a pair of parallel latch arms. The pair of parallel latch arms terminates in a first beam spanning the pair of parallel latch arms. The cantilevered latch also includes a second beam parallel to the first beam. The second beam is configured to releasably lock the locking lug when the first connector is mated with the second connector. The pair of parallel latch arms includes a rib extending beyond the bottom surface of each individual latch arm. When the first connector is moved from the unmated position to the mated position, the locking lug deflects the pair of parallel latch arms toward the outer surface of the second connector, whereby the rib contacts the outer surface and restrains the pair of parallel latch arms deflection.

The invention provides a device capable of conducting judgment and safe, easy and convenient dust discharging on accident accumulated dust of a dust remover. The device comprises a dust hopper arranged in the dust remover and a dust discharging pipeline; the dust hopper is provided with a design bearing material level and a high material level early warning material level; a dust inlet pipe is arranged on the upper portion, extending into a hopper body, of the dust discharging pipeline, and the lower portion, extending out of the hopper body, of the dust discharging pipeline is vertically arranged; a pipe opening of the dust discharging pipeline is located between the design bearing material level and the high material level early warning material level; and a pipe opening of the lower portion of the dust discharging pipeline is sealed through a valve. The situation that the dust hopper of the dust remover is in a normal state or an abnormal state can be conveniently judged at a detection opening, after the dust remover designed dust storing bearing capacity is exceeded and dust in the dust hopper is higher than the normal dust storing quantity, the accumulated dust can be discharged through an automatic dust discharging safety valve, and the dust remover is automatically protected.

The invention provides a preparation method of a space gallium arsenide solar cell electrode combined with germanium. The method comprises the following steps of corroding an epitaxial wafer taking germanium as a substrate, preparing a gold contact layer and a silver layer on the non-active surface of the epitaxial wafer by using a vacuum method, preparing a silver thickening layer on the silver layer by using an electroplating method, and finally carrying out heat treatment on the epitaxial wafer with the prepared silver thickening layer; and the gallium arsenide solar cell electrode combinedwith germanium and used for the space being obtained. The preparation method is advantaged in that the electrode can be prepared by combining a vacuum method (a vacuum evaporation method or a magnetron sputtering method and the like) and a non-vacuum method (a liquid-phase thin film growth method such as an electroplating method and the like), the material utilization rate can be increased, production cost can be reduced, and productivity can be improved on the premise of not purchasing large equipment; ohmic contact between the electrode and a substrate material can be realized, and firmnessbetween contact surfaces meets the space use requirement; and product reliability is high.

The invention discloses a drive protection system of an electronic lock. The drive protection system of the electronic lock comprises a door body, the electronic lock, a control system and a power module. The control system comprises a single chip control circuit and an electronic lock drive circuit. The output end of the single chip control circuit is connected with the electronic lock by the electronic lock drive circuit. The power output end of the power module is connected with the power input end of the electronic lock drive circuit by an overcurrent, overvoltage and overheating protection circuit. The inner side of the door body is provided with a USB interface. The USB interface is respectively connected with the electronic lock, the single chip control circuit, the electronic lock drive circuit and the power input end of the overcurrent, overvoltage and overheating protection circuit. The drive protection system of the electronic lock has the rational and reliable structure, is capable of providing the overcurrent, overvoltage and overheating protection to the electronic lock drive circuit so that the electronic lock drive circuit does not happen the failure, providing the emergency power under the situation of no power of the power module, and guaranteeing the normal work of a door opening system.

The invention relates to the technical field of materials for cable supports in metro tunnels and discloses a glass fiber composite polyester resin material for a cable support in a metro tunnel. A preparation method of the material includes: wrapping a silane coupling agent on the surface of glass fiber powder after going through mixed strong acid oxidation treatment, wrapping the silane couplingagent on the surface of mixed ceramic powder, compositing unsaturated polyester resin with the glass fiber powder with slurry, filling the mixed ceramic powder with slurry into composite slurry, andperforming gel solidification forming to obtain the glass fiber composite polyester resin material. The technical problem that existing glass fiber composite polyester resin materials fail in load bearing due to the fact that interface bonding action force of unsaturated polyester resin and glass fiber is not strong is solved.

The invention discloses a service system starting detection method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps of determining a plurality of target directories if the starting of a service system is detected; respectively generating hash values of a plurality of target files in each target directory, and generating hash value files corresponding to each target directory by using the hash values; matching and comparing the hash value file with a preset verification file; if yes, mounting the target directory as a read-only mode, and adding the target directory into a service cluster. According to the method, fault detection is performed in advance when the service system of the node is started, the node is added into the service cluster after no fault is ensured, and meanwhile, the target directory is mounted in the read-only mode, so that no fault is ensured when the service system runs, and the influence on the whole service is avoided.

The invention discloses a series diaphragm mechanism, and relates to the technical field of diaphragm pumps. The series diaphragm mechanism comprises a diaphragm, a diaphragm seat, a supporting assembly, a first movable capsule and a second movable capsule. The diaphragm seat is provided with a first containing cavity, a second containing cavity and a third containing cavity, and the diaphragm seat is provided with a first channel communicating with the first containing cavity and second and third channels communicating with the second containing cavity; and the first movable capsule and the second movable capsule are connected in series, the first and second channels communicate with a first capsule cavity of the first movable capsule, and the third channel and the third containing cavitycommunicate with a second capsule cavity of the second movable capsule. The diaphragm mechanism has the beneficial effects that a diaphragm pump can realize long-time stable work, and the diaphragm mechanism cannot lose efficiency.