64results about How to "Avoid life" patented technology

The invention belongs to the technical field of fused salt energy storage, and particularly relates to a start-stop peak regulation coal-fired power generation system and method coupled with fused salt energy storage. According to the system and method for achieving safe and efficient start-stop peak regulation of the unit through coupled fused salt energy storage, when the unit needs to be shut down, a boiler operates at the lowest stable combustion load, a back pressure turbine is arranged to absorb boiler main steam to provide necessary auxiliary power for the unit, and fused salt and a water heat storage system are added to store boiler hot resteam; the original steam turbine of the unit stops, and the unit stops and does not stop the boiler; heat stored by the fused salt and water heat storage system is used for generating steam in unit starting and load increasing stages to increase the load increasing rate of a unit turbine. According to the method, the operation safety problem, the economical problem and the service life loss problem of unit start-stop peak regulation are solved.

An electric vehicle battery cooling device effectively solves the problem that an existing cooling mode of an electric vehicle battery is poor in cooling effect. Comprising a battery bin with an upward opening, a battery is placed in the battery bin, a rectangular containing groove is formed in the lower side in the battery bin, an annular cooling groove is formed in the battery bin, a piston cylinder with a backward opening is arranged on the right side in the containing groove in the front-back axial direction, and a piston plate capable of moving front and back is coaxially arranged in the piston cylinder; bent cooling pipes are arranged at the left end and the right end of the front side of the piston cylinder respectively, a plurality of heat dissipation fins evenly distributed in the front-back direction are arranged on the cooling pipes, liquid suction pipes inserted into the cooling grooves are arranged at the left ends of the cooling pipes, and liquid outlet pipes inserted into the cooling grooves are arranged at the right ends of the cooling pipes; the device is simple in structure, novel in conception, convenient to use and high in practicability.

The invention discloses a belt tensioning device, and aims to provide a belt tensioning device which is easy to adjust tension and improve transmission efficiency. The device comprises a rack, a belt transmission assembly and a tensioning assembly are arranged on the rack, the belt transmission assembly is provided with a transmission belt, the tensioning assembly comprises a linear guide rail, a working platform slides on the linear guide rail, and a rigid connecting assembly and a flexible connecting assembly are arranged on the working platform. The two ends of the transmission belt are connected with the rigid connecting assembly and the flexible connecting assembly respectively, the flexible connecting assembly comprises a belt fixing seat, a supporting seat and a stud, the transmission belt is connected to the belt fixing seat, one end of the stud is connected to the belt fixing seat, and the other end of the stud penetrates through the supporting seat. An elastic force adjusting nut, a spring and a belt tension adjusting nut are connected to the stud, and the belt tension adjusting nut, the supporting seat, the spring, the elastic force adjusting nut and the belt fixing seat are sequentially arranged in the length direction of the stud. The belt tensioning device is applied to the technical field of belt tensioning devices.

The utility model relates to the technical field of optical module assemblies, in particular to an optical module assembly capable of independently dissipating heat. The optical module comprises an optical module body, the surface of the optical module body is fixedly connected with two L-shaped plates, the inner surfaces of the two L-shaped plates are slidably connected with heat conduction plates, clamping plates are slidably inserted in the L-shaped plates, the surfaces of the L-shaped plates are fixedly connected with fixing plates, limiting rods are slidably inserted in the fixing plates, and the limiting rods are fixedly connected with the clamping plates. One end of the limiting rod is fixedly connected with a stop block, a limiting groove is formed in the surface of the clamping plate, the arc face of the limiting rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the stop block and the fixing plate respectively. The problem that the optical module assembly is damaged and cannot be used in some special environments due to the fact that the optical module assembly is overheated or insufficient in heat dissipation in some places with unsmooth air flow or much dust due to the fact that the application range of the optical module assembly is wide and the installation environment is complex is solved.

The invention relates to an intelligent lubricating grease supplementing and adding system. The system comprises an operation state monitoring device, a lubricating grease supplementing device and a controller. The operation state monitoring device is used for acquiring an equipment operation state image and equipment operation temperature; the lubricating grease supplementing device is used for supplementing lubricating grease to equipment; the controller is connected with the running state monitoring device and the lubricating grease supplementing device and used for driving the lubricating grease supplementing device to supplement lubricating grease to the equipment under the condition that it is determined that the running state of the equipment is abnormal according to the running state image of the equipment and the running temperature of the equipment. By adopting the system, lubricating grease can be supplemented in time to ensure good lubrication of friction parts, faults such as abrasion, heat generation and jamming are reduced, and the stability and reliability of equipment operation are powerfully guaranteed.

The pressure-adjustable air valve pressing fork for the compressor unit comprises a valve seat and a valve deck, a connecting rod is fixedly installed in the middle of the valve deck, the valve seat is arranged on the connecting rod in a sleeving mode and attached to the top of the valve deck, an annular groove is formed in the top of the valve deck, and the valve deck is fixedly connected with the valve seat. An annular groove is formed in the connecting rod, a valve block attached to the bottom face of the valve seat is arranged in the annular groove, a reset supporting assembly used for supporting the valve block is arranged at the bottom of the annular groove, the outer wall of the connecting rod is sequentially sleeved with a sealing sleeve and a guide sleeve which are attached to the top of the valve seat, and the outer wall of the guide sleeve is sleeved with a pressing fork sleeve seat. According to the pressure-adjustable pressure fork structure, redundant force brought to the valve plate can be reduced in the working process, the valve plate has a better working state, an original welding pressure fork structure is replaced with the pressure-adjustable pressure fork structure, and the problem that the valve plate is damaged or the service life of the valve plate is shortened due to the fact that the overall pressure of the pressure fork is too large is solved.

The rubber shock pad for the hinged bogie comprises an upper metal plate, rubber and a lower metal plate which are sequentially arranged, and the rubber is vulcanized between the upper metal plate and the lower metal plate. The upper metal plate is provided with a connector and an avoiding hole of the mounting hole of the lower metal plate, and the lower metal plate is provided with the mounting hole and an avoiding opening of the connector. The circumferential side faces of the upper metal plate and the lower metal plate are wrapped by rubber. And the side surface of the rubber between the upper metal plate and the lower metal plate is arc-shaped. Through the design of adding the upper metal plate, the lower metal plate, the mounting connecting holes, the avoiding holes and the like, the fixed connection and damping effects of the hinge plate and the windshield device are realized, and the stability of a product is structurally improved; and the product quality is effectively improved and the service life of the product is effectively prolonged due to the side metal exposed surface rubber coating design and the rubber arc design.

The utility model relates to the technical field of energy storage battery installation, and discloses a convenient installation structure of a household energy storage battery, the convenient installation structure comprises an installation base and a battery main body, the outer wall of the installation base is provided with an installation assembly used for rapidly fixing the battery main body, and the installation assembly comprises two moving plates moving relatively and a gear; the two movable plates are arranged on the mounting base, racks are welded to the outer walls of the bottoms of the two movable plates, the gear is rotationally connected to the outer wall of the middle of the mounting base through a rotating shaft, and the two racks are meshed with the gear. The fixing column is quickly inserted into the fixing hole of the battery main body, the installation process is completed, professional tools and skills are not needed, compared with a traditional structure, the installation difficulty and time cost are remarkably reduced, a user can independently complete installation, the problems of inconvenient installation and high cost are effectively solved, and the installation of the household energy storage battery is simpler and more feasible.

This utility model discloses a battery pack housing, a battery pack, and an electrical device. The battery pack housing includes a casing and a cover. The casing has a first connecting portion at its open end, and a magnetic field groove is provided on the first connecting portion. The inner and outer walls of the magnetic field groove have opposite magnetic poles facing each other. The magnetic field groove is configured with space for filling with a magnetic fluid and for accommodating a magnetically conductive sheet. The cover has a second connecting portion adapted to the first connecting portion at its connecting end. By providing a magnetic field groove on the first connecting portion, with the inner and outer walls of the groove having opposite magnetic poles facing each other, the battery pack housing allows for filling the magnetic field groove with a magnetic fluid during battery pack production and maintenance, achieving a seal through the magnetic fluid. The battery pack includes this battery pack housing, and the electrical device includes the aforementioned battery pack, achieving the same beneficial effects.

The utility model discloses a booster pump, and relates to the technical field of gas pressurization. The booster pump comprises a driving cylinder body, a piston rod, a first driving piston, a second driving piston, a first booster cylinder body and a second booster cylinder body, the driving cylinder body is provided with a first driving cavity and a second driving cavity which are symmetrically arranged; the piston rod penetrates through the partition wall, and the two ends of the piston rod extend into the first driving cavity and the second driving cavity correspondingly. The first pressurizing cylinder body is connected with one end of the driving cylinder body, and a first pressurizing piston connected with the first driving piston is arranged in the first pressurizing cavity; the second pressurizing cylinder body is connected with the other end of the driving cylinder body, and a second pressurizing piston connected with the second driving piston is arranged in the second pressurizing cavity. The structure of the booster pump is improved, and the single-pole double-acting double-drive booster pump is high in strength, good in sealing performance, reasonable in structure, suitable for low-temperature and high-pressure environments and particularly suitable for boosting liquid carbon dioxide.

The present invention relates to a vinyl chloride synthesis reaction process, and in particular to an acetylene method vinyl chloride synthesis reaction process, comprising: (1) a mixed raw material gas A is subjected to an adiabatic catalytic reaction to obtain a mixed gas B; (2) the mixed gas B is subjected to an isothermal catalytic reaction to obtain a mixed gas C containing vinyl chloride, and the mixed gas C enters a post-processing system. The present invention adopts radial and two-stage catalytic reactions, eliminates a separate raw material gas preheater, reduces the number of equipment, saves equipment investment, reduces reaction pressure drop, prolongs catalyst life, and improves subsequent reaction efficiency, so that the conversion rate is greater than 98.5% and the selectivity is greater than 99%.

The utility model discloses a solid-gas separation mechanism for a fermentation material granulation tower, and relates to the technical field of fermentation material processing. The separating mechanism comprises a tower body and a separating mechanism body, the separating mechanism body comprises a rotating disc, a vibrator and a set of conical frames, the rotating disc is an annular frame and is arranged in the tower body, shaft ends are arranged on the opposite sides of the rotating disc, the shaft ends penetrate through the side wall of the tower body and are rotationally connected with the side wall of the tower body, and the outer end of one shaft end is connected with a driving mechanism. By designing the novel solid-gas separation mechanism and adopting the mode that the double conical frames are symmetrically distributed at the same time, the two conical frames and the filter screen above the two conical frames can be subjected to transposition replacement, the using effect of the solid-gas separation mechanism is improved, the service life of the solid-gas separation mechanism is prolonged, meanwhile, due to the design of vibrators on the two conical frames, the screen can be efficiently cleaned, and the service life of the solid-gas separation mechanism is prolonged. In addition, the conical frame and the screen can be overturned by a certain angle and then vibrated and cleaned, and the screen can be vibrated and cleaned at any angle.

The utility model relates to the technical field of non-ferrous metal alloy, in particular to a suspension device for non-ferrous metal alloy paint spraying, which comprises a support frame, a demoulding component is clamped on one side of the support frame, the demoulding component comprises a demoulding cylinder, a demoulding telescopic rod and a demoulding plate, one side of the demoulding cylinder is clamped on one side of the support frame, and the demoulding telescopic rod is clamped on the other side of the support frame. A demolding telescopic rod is connected to one side of the demolding air cylinder in a clamped mode. Due to the arrangement of the demoulding cylinder, the demoulding telescopic rod and the demoulding plate, when the demoulding device is used, the demoulding cylinder operates to drive the demoulding telescopic rod to stretch and retract back and forth, and the demoulding telescopic rod is connected with the demoulding plate, so that the demoulding plate is driven to push non-ferrous metal alloy forwards; and through cooperative use of a rotating rod, a demolding air cylinder, a demolding telescopic rod and a demolding plate, the effects of rapidly demolding and improving the paint spraying efficiency are achieved, and the situation that after paint spraying is finished, the metal alloy is manually taken out, just sprayed paint is easily scratched off, paint spraying needs to be conducted again, and the paint spraying efficiency is reduced is avoided.

The application discloses a power quality treatment method and device and electronic equipment. The method comprises the following steps: acquiring power quality data, and identifying a corresponding harmonic source type by using a classification model; determining marginal benefits by using a benefit model and determining marginal costs by using a cost model based on the harmonic source type, wherein the marginal benefits comprise energy-saving benefits and equipment life extension benefits corresponding to power quality treatment, and the marginal costs comprise operation costs and depreciation costs of treatment equipment; determining an optimal treatment target according to the marginal benefits and the marginal costs, wherein the optimal treatment target is used to represent a power quality index at a balance point of the benefit model and the cost model; and generating a power quality treatment instruction according to the optimal treatment target. The application solves the technical problem of low treatment efficiency caused by the fact that the power quality treatment technology in the related art usually adopts a fixed control strategy.

The utility model belongs to the technical field of building components, and discloses a prestressed pipe pile connector. The prestressed pipe pile connector is used for connecting two prestressed pipe piles into a whole. The prestressed pipe pile connector comprises a first end plate, a second end plate, a connecting piece, a connecting hole, a plurality of elastic universal balls, an annular clamping groove and a fixing assembly. According to the prestressed pipe pile connector provided by the utility model, two prestressed pipe piles are connected in a mechanical connection manner, and the problems of poor connection strength and poor service life caused by insufficient welding, welding skips and the like in a welding connection manner can be avoided, so that the connection reliability of the two prestressed pipe piles can be improved; and the labor intensity of workers can be reduced, and the construction efficiency is improved. According to the prestressed pipe pile connector, the first end plate and the second end plate are fixed together through the fixing assembly, and the first end plate and the second end plate can be attached more firmly.

The present application relates to a heat dissipation system, a frequency conversion cabinet and electrical equipment, comprising a control module, a temperature detection module, a compressor module, a fan module and a refrigeration pipe, wherein the control module is connected to the temperature detection module, the compressor module and the fan module, the compressor module is connected to the refrigeration pipe to form a circulation loop, and the refrigeration pipe is arranged on the heat dissipation device; the compressor module is used to output refrigerant to the refrigeration pipe to dissipate heat for the heat dissipation device; the temperature detection module is used to detect the ambient temperature of the heat dissipation device; the control module is used to control the operating state of the fan module according to the ambient temperature and a preset temperature threshold, and control the output state of the refrigerant output by the compressor module, so as to improve the heat dissipation efficiency of the heat dissipation system while reducing energy consumption, and avoid problems such as accelerated aging of the frequency conversion cabinet and electrical equipment due to excessive heat generation and high temperature of power devices, resulting in reduced life or failure to operate normally.

The invention discloses a composite energy storage type high-speed forming device and a use method thereof, and aims to solve the technical problems of low striking efficiency and high maintenance difficulty of a high-speed forming device in the prior art. The composite energy storage type high-speed forming device comprises a combined machine body, an energy storage speed increasing mechanism, a pneumatic hammer lifting mechanism, an electromagnetic locking mechanism and a hammer head mechanism, by adopting a composite energy storage mode of high-pressure gas potential energy and hammer head gravitational potential energy, breakthrough on the impact speed of an existing traditional drop hammer is achieved, the metal forming capacity and quality are remarkably improved, and the forming efficiency is improved. And the requirement of high-performance material processing on high-speed impact is met. According to the using method, the high-speed forming device is used for machining and production, the consistency and repeatability of the forming process are ensured, the production efficiency and the product quality are improved, the production capacity is remarkably improved, and the requirement for large-scale production is met.

The utility model belongs to the technical field of dynamic vibration absorbers, and particularly relates to a double-layer damping dynamic vibration absorber based on a condensate pump, which comprises a water pump assembly and a damping vibration absorption assembly, the water pump assembly comprises a water pump body and a water pump end cover, the water pump end cover is arranged on the water pump body, and the damping vibration absorption assembly is arranged on the water pump body. The damping vibration absorption assembly is arranged on the water pump end cover, the damping vibration absorption assembly comprises a base, a damping vibration attenuation mechanism and a balance weight part, the base is detachably arranged on the water pump end cover, the damping vibration attenuation mechanism is arranged on the base, and the balance weight part is arranged on the damping vibration attenuation mechanism. Therefore, interface stress concentration caused by a traditional embedding process is avoided through the layered and stacked double-layer damping structure, local stress is effectively dispersed through coupling connection of the balance weight piece and the upper damping vibration attenuation component, broadband vibration suppression of the condensate pump is achieved, and meanwhile structural reliability and installation convenience are improved.

The invention relates to the technical field of membrane-free batteries, in particular to a membrane-free two-phase vanadium-bromine battery and an electrolyte thereof.In the membrane-free two-phase vanadium-bromine battery, water and an organic solvent are used on the premise that a diaphragm is avoided, battery self-discharge caused by cross contamination of active substances is avoided, bromide ions in potassium bromide serve as cross-phase oxidation-reduction substances, and the service life of the membrane-free two-phase vanadium-bromine battery is prolonged. Vanadium ions in vanadyl sulfate serve as non-cross-phase redox substances, a bromine complexing agent is added into an organic solvent to be combined with bromine to generate a high-solubility hydrophobic active substance, the battery cost is reduced, the device design is simplified, the theoretical capacity of the battery is improved, and a series of battery cycle and service life problems caused by irregular growth of zinc metal are avoided.

The invention discloses a steel sheet pile connecting structure, relates to the technical field of special sheet pile walls for foundation engineering, and aims to improve the strength and rigidity of a joint part for vertically connecting steel sheet pile sections. According to the technical scheme, according to the steel sheet pile connecting structure, adjacent steel sheet pile sections are connected through inserting pieces in the longitudinal direction and connected through locking openings in the transverse direction, the longitudinal direction of the steel sheet pile sections is the vertical direction in the construction period, and the transverse direction of the steel sheet pile sections is the extending direction of steel sheet piles on the horizontal plane in the construction period; the steel sheet pile section comprises a web and wing plates on the two sides of the web, and locking openings matched with each other are formed in the edges of the wing plates. The plug connector comprises two baffles and a connecting part between the two baffles, the gap between the two baffles is divided into an upper inserting groove and a lower inserting groove through the connecting part, the lower end of the steel sheet pile section on the upper portion of the plug connector is inserted into the upper inserting groove and fixedly connected with the upper inserting groove, and the upper end of the steel sheet pile section on the lower portion of the plug connector is inserted into the lower inserting groove and fixedly connected with the lower inserting groove. The method is used for connecting the steel sheet pile sections and forming the steel sheet pile.

The invention provides a negative electrode control circuit and method for a commercial vehicle loading system, the negative electrode control circuit is provided with a battery positive electrode interface, a battery negative electrode interface and an output interface, the battery positive electrode interface is connected with the positive electrode of a storage battery, the battery negative electrode interface is connected with the negative electrode of the storage battery, and the output interface is connected with the negative electrode of electric equipment; the negative electrode control circuit comprises a field effect transistor which is provided with a grid electrode, a drain electrode and a source electrode, the grid electrode is connected with the battery positive electrode interface, the drain electrode is connected with the output interface, and the source electrode is connected with the battery negative electrode interface; and the controller detects the voltage of the storage battery in real time, controls the switch-on and switch-off of the field effect transistor according to the voltage of the storage battery, and further controls the connection state of the output interface and the battery cathode interface. The technical problems that a lead-acid storage battery manager can only achieve the voltage and electric quantity detection function, a load switch cannot be directly controlled, and overdischarge cannot be fundamentally solved are solved.

The utility model relates to a combined wallboard mechanism for a modularized integrated house, which comprises N wallboard bodies, each wallboard body comprises a wallboard shell, a wallboard framework playing a supporting role is arranged in each wallboard shell, and the wallboard shells surround all side surfaces of the wallboard framework except the top surface and the bottom surface; a space enclosed by the wallboard shell and the wallboard framework is filled with a wallboard heat preservation layer which has the functions of heat insulation, heat preservation, water prevention and the like; every two adjacent wallboard bodies in the transverse direction are detachably connected through one wallboard butt-joint plate, and the adjacent wallboard bodies and wallboard butt-joint plates are detachably connected with each other; the Ngt; = 2. The outer frame butt joint parts, the butt joint pipe bodies and the wall plate butt joint plates jointly achieve staggered joint connection between the adjacent wall plate bodies and the wall plate butt joint plates, so that different connection gaps are not aligned, and therefore air leakage or water leakage possibly caused by gap alignment is avoided, namely the waterproof and windproof performance is further improved through staggered joint connection.

The invention discloses a plasma gasification furnace, and relates to the technical field of solid hazardous waste treatment. A plasma gasification furnace comprises a molten pool section used for containing radioactive waste and melting the radioactive waste under the external heating condition; the melting section is fixedly connected with the molten pool section and used for bearing the molten radioactive waste solution; the gasification section is fixedly connected with the melting section and is used for accommodating the radioactive waste solution for pyrolysis and gasification; the molten pool section and the melting section are both formed by laying large bricks; the large brick of the molten pool section comprises the following raw materials in parts by weight: 40-70 parts of electric smelting chromium oxide, 15-45 parts of corundum, 4-8 parts of aluminum oxide micro powder, 2-6 parts of chromium oxide micro powder, 3-7 parts of a binding agent and 0.05-0.15 part of an additive. The plasma gasification furnace solves the problems that the plasma gasification furnace is not resistant to corrosion, low in reliability and short in service life.

A rotary table structure suitable for a strip package steering bag supplementing machine comprises a feeding rotary table body, a material receiving groove, a package blocking mechanism, a transmission mechanism, a feeding station and a discharging station, the center of the feeding rotary table body is connected with the transmission mechanism, the material receiving groove is formed in the feeding rotary table body, the package blocking mechanism is arranged below the material receiving groove, the transmission mechanism is connected with the package blocking mechanism, and the transmission mechanism is connected with the feeding station. The feeding station is arranged in the twelve o'clock direction of the feeding rotary disc body, and the discharging station is arranged in the three o'clock direction of the feeding rotary disc body. The bag blocking mechanism comprises an air cylinder fixing plate, an air cylinder, a spring and a baffle. Compared with the prior art, the bag blocking mechanism is optimized and improved, the structure is simplified, and the problems that the cost is increased and the service life is shortened due to the complex structure are solved; lifting of the improved baffle mechanism is achieved through the air cylinder, and air pipe winding caused by the fact that the rotary disc rotates in the same direction all the time is avoided.

The four-way valve assembly comprises a valve body, a connecting pipe and an aluminum adapter, a reversing mechanism is arranged in the valve body, the connecting pipe is a steel pipe, one end of the connecting pipe is connected with the valve body in a welded mode, and the other end of the connecting pipe is connected with the aluminum adapter in a welded mode. And the end part of the connecting pipe is provided with an aluminum connecting piece, so that the four-way valve assembly is conveniently welded and connected with an aluminum piping in the refrigerating system.

The utility model provides a numerical control carving machine main shaft jacket, relates to numerical control carving machine technical field, including bottom plate, the surface of bottom plate is provided with the clamping fixed subassembly, the clamping fixed subassembly includes screw rod groove and bi-directional screw rod, the screw rod groove is provided in the bottom plate, the bi-directional screw rod is provided in the screw rod groove, the screw rod groove is provided with the screw rod groove, the bi-directional screw rod is provided with the screw rod groove. A bearing is arranged at one end of the two-way screw, a handle is arranged at the other end of the two-way screw, and a moving block is arranged on the surface of the two-way screw. According to the main shaft clamping device, when the main shaft needs to be clamped and fixed, the main shaft can be placed between the two sets of clamps, then the handle can be rotated to drive the two-way screw rod to rotate, and then the two-way screw rod drives the two sets of clamps to clamp and fix the main shaft at the same time through thread rotation. And then the three sets of threaded rods at the top of the clamp are all fixed, the stability of the main shaft during working is improved, and the problem that the precision is low during engraving due to the fact that the main shaft is fixed through a spring is solved.

The application discloses a bendable and foldable flexible LED display module structure and relates to the technical field of flexible LED display module structures.The installation box is internally connected with an installation plate in a sliding mode.A first threaded rod, a transmission plate, a transmission rod, an elastic plate and an arc column are cooperatively arranged to precisely adjust the arc of the flexible display module.In detail, the second transmission mechanism drives the first threaded rod to rotate, and the transmission plate moves along the threaded rod in the axial direction, and then the elastic plate is pushed to displace rearward in the middle part through the connecting rod and the transmission rod.Under the support of the arc column, the elastic plate generates a smooth concave arc, and simultaneously drives the flexible display module fixed thereon to deform synchronously.The design can switch the planar display mode into the curved surface display of any preset arc according to the playing content or the viewing angle requirement, and significantly enhances the immersion and visual impact of the picture.

This invention relates to the field of lighting technology, specifically to a waterproof refrigerator light that is easy to clean. It includes a fixed lamp plate, a lamp plate fixing shaft, a rotating outer shell, a support outer shell, a lamp body mounting base, and a contact scraper. The fixed lamp plate has a lamp plate fixing shaft fixedly installed at both ends. A rotating outer shell, cylindrical in shape and rotatable, is fitted over the fixed lamp plate. Support outer shells are located at both ends of the rotating outer shell. The lamp plate fixing shaft is fixedly installed to the support outer shell. A lamp body mounting base is fixedly installed on the surface of the support outer shell, and a contact scraper is fixedly installed on the surface of the lamp body mounting base. This waterproof refrigerator light has excellent waterproof capabilities and, compared to traditional refrigerator lights, continuous active cleaning ability, preventing condensation or frost from forming on the lamp body surface, thus avoiding light distortion or obstruction.

The utility model relates to the technical field of new energy automobile cooling systems, in particular to a uniform flow type efficient power battery liquid cooling plate which comprises a water inlet pipe, a water outlet pipe, a water inlet collecting pipe, a water outlet collecting pipe, a porous runner plate and a uniform flow partition plate, the porous runner plate is provided with a plurality of small holes, and the small holes are round holes, square holes or special-shaped holes. The uniform flow partition plate is arranged in the water inlet collecting pipe, the porous flow channel plates are arranged in parallel, the two ends of each porous flow channel plate are connected to the water inlet collecting pipe and the water outlet collecting pipe respectively, the water inlet pipe and the water outlet pipe are connected to an external pipeline through flanges respectively, and all the components are integrated through brazing. The utility model has the advantages that the temperature difference between the battery cells of the power battery pack can be reduced, the temperature uniformity is improved, and the service life of the battery is prolonged.

The invention discloses a residence community three-dimensional ecological structure system and a construction method, and belongs to the technical field of house building engineering. The residence community three-dimensional ecological structure system comprises a roof greening structure, a balcony greening structure, a facade drainage connection structure and a ground greening and drainage structure; rainwater in the roof greening structure and the balcony greening structure is collected to the ground greening and drainage structure through the facade drainage connection structure. The ecological greening system has the beneficial effects that three-dimensional design is carried out on roof, balcony and ground greening, the integrity and mutual relevance of an ecological structure are effectively improved, the roof, balcony and ground waterproof and drainage structure systematic design can fully utilize and rapidly collect and drain rainwater, and the ecological greening effect of a community is improved.