30results about How to "Avoid service life impact" patented technology

The invention discloses a multi-time toughened glass surface stress instrument. The multi-time toughened glass surface stress instrument is provided with an outer framework, wherein a light emission unit, a light refraction element and an imaging unit, which are sequentially arranged along a light path in the outer framework, the light emission unit comprises at least two light sources and at least two light source height adjusting apparatuses, and the light sources are respectively fixed on the light source height adjusting apparatuses; the light refraction element comprises at least two refraction prisms, the refraction prisms are respectively arranged in the light emission direction of the light source and used for storing glass to be detected; the imaging unit comprises at least two imaging lens barrels, at least two imaging lens barrel angle adjusting mechanism and at least two image sensors, the front end of each imaging lens barrel is respectively arranged in the light refraction direction of the refraction prism, and the rear end of each imaging lens barrel is respectively provided with an image sensor. The stress instrument can simultaneously and precisely read a primarily-enhanced interference fringe and a multi-time-enhanced interference fringe by virtue of a way of a multi-light-path system, so that the measurement precision and efficiency can be greatly improved, and the market application prospect is wide.

The invention discloses a fixed geological prospecting portable fixed sampling device, which comprises a bottom plate, wherein side plates are arranged at the left and right sides of the outer wall ofthe bottom plate; the inner wall of the side plate is connected with the outer wall of the bottom plate; a hoop sleeve is arranged on the inner wall of the side plate; the outer wall of the hoop sleeve is connected with the inner wall of the side plate; a support rod is arranged at the lower surface of the hook sleeve; the upper surface of the support rod is connected with the lower surface of the hook sleeve; the inner wall of the hoop sleeve is provided with a rotating rod; the outer wall of the rotating rod is movably connected with the inner wall of the hoop sleeve; the outer wall of therotating rod is movably connected with the inner wall of the support rod; the outer wall of the rotating rod penetrates through the inner wall of the bottom plate. The fixed geological prospecting portable fixed sampling device has the advantages that through the matching among a center post, a compression spring and a bottom sleeve, under the effect of the sleeve rod and the slide rod, the procurement cost of a user is reduced; the resource waste of the fixed geological prospecting portable fixed sampling device is avoided; the device is suitable for being popularized and used.

The invention discloses a vertical and horizontal dual-purpose special angle head suitable for special machining. The vertical and horizontal dual-purpose special angle head suitable for special machining comprises a box, a main shaft and a transmission mechanism which is installed between the box and the main shaft. The vertical and horizontal dual-purpose special angle head suitable for special machining is characterized in that the box is composed of an upper box and a lower box, and a plurality of needle bearings are installed between the upper box and the transmission mechanism; a front main-shaft bearing pedestal is fixedly installed on the lower box, the front end of the main shaft is fixed on the front main-shaft bearing pedestal through a first back-to-back angular contact ball bearing, and the rear end of the main shaft is fixed on the lower box through a second back-to-back angular contact ball bearing; the included angle ranging from 30 degrees to 45 degrees is formed between the main shaft and the transmission shaft. The vertical and horizontal dual-purpose special angle head suitable for special machining has the advantages of being good in rigidity, large in torque, small in size, beautiful, capable of achieving high machining accuracy under the vertical and horizontal dual-purpose conditions, suitable for rough machining and semi-finish machining of deep cavities, capable of achieving finish machining, capable of being applied to special machining of gantry machine tools and floor type boring machine tools, and particularly suitable for machining bumper bars of automobiles.

The invention provides a solar photovoltaic cell assembly protected by the back plate tempered glass, and belongs to the technical field of solar photovoltaic assemblies. The solar photovoltaic cell assembly comprises a solar photovoltaic cell assembly body. The solar photovoltaic cell assembly body comprises a panel, a silicon wafer plate, a back plate and a back plate protective plate. The solar photovoltaic cell assembly is characterized in that a sealing rubber strip is arranged to surround the peripheral edge part of the solar photovoltaic cell assembly body. Meanwhile, the four corners of the solar photovoltaic cell assembly body are respectively provided with a corner protective member. By means of the four corner protective members, the panel, the silicon wafer plate, the back plate and the back plate protective plate are mutually combined as one piece. According to the technical scheme of the invention, the overall mechanical strength of the solar photovoltaic cell assembly is improved, and the solar photovoltaic cell assembly is longer in service life. The solar photovoltaic cell assembly is convenient in inspection and maintenance, and the long-term stable operation of the solar photovoltaic cell assembly is ensured. The generation of virtual seams between the layers of the solar photovoltaic cell assembly is avoided, so that the service life of the solar photovoltaic cell assembly is not influenced at all. During the packaging, warehousing, transporting and installing process, the solar photovoltaic cell assembly is well protected by the back plate tempered glass. Meanwhile, the solar photovoltaic cell assembly is prevented from getting aged, and is convenient to machine, good in elasticity and excellent in restorative property. The back plate tempered glass can be in good contact with the solar photovoltaic cell assembly body and the clamping force between the back plate tempered glass and the solar photovoltaic cell assembly body is strong.

The invention discloses a glass cover plate for a display assembly, the display assembly and a terminal. The glass cover plate comprises a display area, wherein the display area corresponds to the display area of a display panel of the display assembly; and a periphery area which surrounds the display area, wherein a first corner part of the periphery area has a first information media window, andthe first information media window corresponds to a first electronic element. According to the glass cover plate, the display assembly and the terminal, the display assembly is enabled to have a relatively high screen-to-body ratio, and a sunken part is prevented from being formed in the display assembly.

The invention discloses a built-in wind driven generator blade heating device, and relates to the technical field of wind power generation. The built-in wind driven generator blade heating device comprises a supporting pillar. An oil tank is arranged on the inner wall of one side of the supporting pillar. Two sets of symmetrically-arranged heating rods are installed at the bottom of the inner sideof the oil tank in a welded mode. An oil conveying pipe is fixedly installed on the outer surface of the top of the oil tank, and one end of the oil conveying pipe stretches into the oil tank. A first oil absorption machine is installed at the top of the inner side of the oil tank in a welded mode, and a first oil inlet pipe is installed at the oil inlet end of the first oil absorption machine ina welded mode. By means of the built-in wind driven generator blade heating device, hot oil can be evenly carried into fan blades effectively at a constant speed, the fan blades are subjected to uniform deicing, deicing homogeneity to the blades by the device is greatly improved, the temperatures of the insides of the fan blades can be effectively controlled and adjusted, and the safety problem that fires can happen to the device due to excess temperatures is greatly avoided.

The invention discloses an intelligent access control system, and relates to the technical field of intelligent access. The system specifically comprises a door frame, manual locks and fingerprint input parts; side doors are arranged on the left and right sides of the interior of the door frame; ventilation openings are formed above the side doors; antitheft fences are fixed on the surfaces of theouter walls of the ventilation openings; the back surfaces of the ventilation openings are connected with dustproof windows; the manual locks are mounted at the inner parts of the side doors; and thefingerprint input parts are arranged in the top ends of electric locks. Through the stretching of air cylinders at the inner upper and lower ends of the door frame, the opening and closing of a maindoor can be adjusted in real time; through the position setting between the air cylinders, the upper and lower sides of the main door can be respectively connected so that the stability of the main door during the stretching is improved; a limiting rod is glidingly connected with a pathway so that the limiting rod only can reciprocate in the pathway; and through the combination of the limiting rodand the pathway, the moving distance of the main door can be limited, and convenience is provided for the stretching work of the air cylinders.

The invention discloses a base protection mechanism for mounting of a generator unit. The base protection mechanism comprises a pedestal and a pressing blocking base mounted on the pedestal. The pedestal is connected with the pressing blocking base through a limiting steel ring. An annular airbag ring is formed in the center of the surface of the pedestal. The pedestal comprises a pedestal plate and a supporting barrel vertically distributed in the center of the pedestal plate. Six vertically-distributed strip-shaped grooves are formed in the peripheral side of the supporting barrel in the peripheral direction. A stud is vertically arranged in the center of the bottom of the inner side of the supporting barrel. A buffer part is mounted on the stud. Six spring struts are evenly distributed on the edge of the bottom of the inner side of the supporting barrel in the peripheral direction. First springs are mounted in the spring struts. Through the scientific and reasonable structure design, a good operation environment can be provided in the operation process of the generator unit, the influence of rigid connection on the service life is avoided, noise generated during operation of the generator unit is lowered, the service life of components and parts in the generator unit is ensured, errors caused by assembling are eliminated, and the base protection mechanism has good practical value.

The embodiment of the invention discloses a device and method for adjusting the incident light intensity of a camera device, a medium and equipment. The device comprises a shading part, a detection module and a control module, wherein the control module is connected with the shading part and the detection module; the shading part is arranged on the outer side of an optical lens of the camera device and comprises a first shading part and a second shading part. The detection module is used for detecting the incident light intensity of the camera device; and the control module is used for controlling the overlapping area of a light-transmitting region formed between the first shading part and the second shading part according to the incident light intensity detected by the detection module. The service life of the camera device can be prolonged, the quality of images shot by the camera device can be improved, and for the field of intelligent driving, the driving safety of vehicles can beimproved.

The invention provides an intelligent constant temperature device for a new energy automobile battery in winter, and belongs to the technical field of new energy. The intelligent constant temperature device comprises a protection box, a neutralization box and a battery pack, wherein the neutralization box is located in the protection box, the battery pack is located in the neutralization box, a cover plate is placed at the upper end of the neutralization box, a flow guide mechanism and a discharge mechanism are arranged in the cover plate, the discharge mechanism corresponds to the flow guide mechanism, a sealing cover is placed at the upper end of the protection box, and a constant-temperature controller and a temperature detector are fixedly connected to the upper end of the sealing cover. The invention aims to solve the problems that most new energy automobile batteries in the prior art do not have a constant-temperature function, the temperature of the automobile batteries is easily too high when the automobile batteries are used, then the service life of the batteries is affected, and the weather is cold in winter, a large amount of moisture is contained in air, cold air can cause a certain degree of influence on the use of the battery, and the driving mileage of the new energy automobile is shortened.

The invention provides a quasi sine wave charging method capable of regularly adjusting the charging current value. Multiple current values are transmitted when a rechargeable battery is charged by a charging circuit. The current values are continuously transmitted for a charging period and then transmission is stopped for an interruption period. The current values include a first current value, multiple attenuation current values, a second current value and multiple increasing current values in order according to the charging process, and the charging circuit repeats the transmission order of the current values, wherein the numerical values of the attenuation current values decrease in order and are less than the first current value and greater than the second current value, and the increasing current values increase in order and are greater than the second current value and less than the first current value so that the charging current changes along with time to form the quasi sine wave charging process.

The invention discloses a heating pipe and a heating device comprising the heating pipe, and belongs to the technical field of heaters. The heating pipe (1) comprises a heating body (11) and a heat conduction part (12); the heating body (11) is an elongated hollow profile; and the heat conduction part (12) is arranged on the heating body (11), and is used for conducting heat radiation generated bythe heating body (11). According to the heating pipe provided in the embodiment of the invention, the heat conduction part is arranged on the heating body of the heating pipe; the structure of the heating pipe is changed; the heat exchange area of the heating pipe is increased; generated heat is sufficiently dissipated to four sides through the heat conduction part, the contact area of which is relatively large; therefore, the heat exchange efficiency is increased; the heating speed is increased; and simultaneously, the problem that the service life is influenced due to the fact that the surface of the heating pipe is too hot can be avoided.

The invention relates to a dynamic plugging device during shaft kiln distribution. The dynamic plugging device is installed above a conical distributor at a feeding inlet of a shaft kiln and comprisesan executor support, a linear executor, a short swing arm, a vertical shaft, a bracket and a plugging disc; the executor support is arranged on the outer wall of the shaft kiln; the tail end of the linear executor is hinged to the executor support; the power output end of the linear executor is hinged to one end of the short swing arm through a pin shaft; the short swing arm extends into a kiln body, is connected with one end of the bracket, and can drive the bracket to rotate around the vertical shaft under the function of the linear executor; the plugging disc is fixed to the bracket and horizontally swings along with the bracket; and one end point of the swinging path of the plugging disc is located over the conical distributor and can completely shield an upper opening of the distributor, and the other end point is located on the outer side of the upper opening of the distributor. The dynamic plugging device during shaft kiln distribution is used for being matched with the conicaldistributor to achieve various distribution of material faces inside the kiln, and is simple in structure, convenient to operate, low in failure rate and convenient to maintain.

The invention provides a circuit breaker equipped with a permanent magnetic mechanism and a speed control device and method for the circuit breaker. The device comprises a permanent magnetic control module, a signal acquisition module and a high-speed digital processing module, wherein the signal acquisition module is used for acquiring a load state parameter of the circuit breaker; the high-speed digital processing module is used for looking up mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism at that time according to a known corresponding relation table of a load state and the mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism and adjusting and inputting a duty ratio of a PWM (pulse width modulation) wave of the circuit breaker equipped with the permanent magnetic mechanism; the permanent magnetic control module is used for controlling the opening / closing speed of the to-be-controlled circuit breaker equipped with the permanent magnetic mechanism according to the PWM wave subjected to duty ratio adjustment. Reasonable control on the opening / closing speed of the circuit breaker equipped with the permanent magnetic mechanism can be intelligently and reasonably realized, so that the influence of impact of the circuit breaker equipped with the permanent magnetic mechanism on service life of the circuit breaker equipped with the permanent magnetic mechanism is avoided and the mechanical life of the circuit breaker equipped with the permanent magnetic mechanism is prolonged.

The invention discloses a water drop steam engine. The water drop steam engine comprises an anti-skid bottom frame, a mounting base, an air guide support, a driving assembly, driving wheels, a supporting assembly, a heat dissipation assembly, a bearing seat, an air inlet assembly and a water inlet pipe. The mounting base is fixedly installed on one side of the top end face of the anti-skid bottom frame through a screw. The air guide support is mounted on one side of the top end face of the mounting base, the driving assembly is mounted on one side of the air guide support, the driving wheels are arranged on the outer side of the driving assembly, the supporting assembly is fixedly mounted on the other side of the top end face of the anti-skid bottom frame, and the bearing seat is mounted on the other side of the top end face of the anti-skid bottom frame. The water drop steam engine is simple in structure and small in size; during use, steam of steam water drops can be utilized, the driving wheels are driven through the steam, and the transmission effect is good; and meanwhile, during working, a good heat dissipation effect can be achieved, and therefore the heat dissipation rate of a piston air cylinder can be improved.

The invention relates to a remote automatic start-stop system for a pulverizer and a start-stop method thereof. An output end of an equipment access module is connected to an input end of a controllermodule; the controller module is connected to an internet-of-things gateway module which is connected to an equipment cloud platform module; the equipment cloud platform module is connected to a Uwebapplication module; the Uweb application module is connected to networked remote monitoring equipment; the remote monitoring equipment is connected to the controller module through the Internet; andan output end of the controller module is connected to an input end of the equipment access module. Even if the equipment operation goes wrong and a supervisor is not on the construction site, the equipment failure information such as improper operation during the period can be processed quickly and timely, thus, the service life of the entire equipment is not affected, and the equipment damage isavoided.

The invention discloses a torsion-resistant cable capable of preventing moisture. The torsion-resistant cable comprise an outer sheath (1), an inner sheath (3), a plurality of cable sheaths (4) and a cable core (5), wherein the inner sheath (3) is arranged in the outer sheath (1), the plurality of cable sheaths (4) are arranged in the inner sheath (3), the cable core (5) is arranged in the cable sheath (4), a plurality of A grooves are formed in an inner surface of the outer sheath (1), B grooves are formed in an outer surface of the inner sheath (3) and are in one-to-one correspondence to the A grooves, the A grooves and the B grooves are matched to form a hollow cavity, reinforcement elements (2) are arranged in the hollow cavity, and a waterproof layer (7) is arranged between the inner sheath (3) and the cable sheath (4). The torsion-resistant cable has the advantages that the outer sheath can be prevented from rotating relative to the inner sheath by the reinforcement elements, so that the torsion-resistant capability is improved, and the abrasion between the inner sheath and the outer sheath is prevented; with the arrangement of the reinforcement elements, the mechanical strength of the torsion-resistant cable can also be improved; and with the arrangement of the waterproof layer, the waterproof and dampproof capability of the torsion-resistant cable can be improved.

The invention relates to the technical field of converter station data processing, in particular to a data processing device for an intelligent patrol system of a converter station. The device comprises a data processing device body, wherein the periphery of the data processing device body comprises a device shell, one side of the device shell is provided with a connecting mounting groove, a plurality of heat dissipation holes are formed in the surface of the other side of the device shell, and side rotating seats are integrally arranged at the two ends of the upper surface of the other side of the device shell correspondingly.According to the invention, the connecting position is uniformly protected through the protection assembly, and the protection effect on the fixing assembly can also be achieved; and by means of the assembly, external dust interference or sundry influence on the connecting position can be reduced, and operation such as replacement connection can be carried out only by opening the assembly when the assembly is used,.

The invention discloses a feeding device for concrete mixing, and relates to the technical field of building material processing. The feeding device for concrete mixing comprises a supporting frame, and two rotating shafts are rotationally mounted at the top of the supporting frame. According to the feeding device for concrete mixing, a gap between a push rod and a fixing rod can block large stones in concrete raw materials, small stones can penetrate through the gap and then are driven by a conveying belt to ascend under the action of an auxiliary screening mechanism, and the push rod can move under the action of a lifting mechanism and a fixing shaft; the push rod moves to push the large stones between the push rod and the fixing rod, the push effect enables the large stones to rise and endows the large stones with certain kinetic energy, and the kinetic energy enables the large stones to be separated from the push rod and the fixing rod, then roll over on the surfaces of the small stones and penetrate through the auxiliary screening mechanism; and the small stones can always rise under the pushing action of the auxiliary screening mechanism, so that accurate screening of the large and small stones in the concrete raw materials is realized.

The invention provides a circuit breaker equipped with a permanent magnetic mechanism and a speed control device and method for the circuit breaker. The device comprises a permanent magnetic control module, a signal acquisition module and a high-speed digital processing module, wherein the signal acquisition module is used for acquiring a load state parameter of the circuit breaker; the high-speed digital processing module is used for looking up mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism at that time according to a known corresponding relation table of a load state and the mechanical properties of the circuit breaker equipped with the permanent magnetic mechanism and adjusting and inputting a duty ratio of a PWM (pulse width modulation) wave of the circuit breaker equipped with the permanent magnetic mechanism; the permanent magnetic control module is used for controlling the opening / closing speed of the to-be-controlled circuit breaker equipped with the permanent magnetic mechanism according to the PWM wave subjected to duty ratio adjustment. Reasonable control on the opening / closing speed of the circuit breaker equipped with the permanent magnetic mechanism can be intelligently and reasonably realized, so that the influence of impact of the circuit breaker equipped with the permanent magnetic mechanism on service life of the circuit breaker equipped with the permanent magnetic mechanism is avoided and the mechanical life of the circuit breaker equipped with the permanent magnetic mechanism is prolonged.

The invention relates to the technical field of mining stone wall ecological restoration, and discloses a mining stone wall ecological restoration method. The mining stone wall ecological restoration method comprises the steps that planting holes are drilled in a stone wall, and the included angle alpha formed by the straight line where the center axis of each planting hole is formed and the upward direction of the outer wall of the stone wall is smaller than 45 degrees and larger than 10 degrees; water storage holes are drilled around the planting holes in the stone wall, and the drilling angles of the water storage holes need to meet the following requirements that it can be guaranteed that cavities of all the water storage holes must communicate with cavities of the planting holes, and the cavity of any planting hole communicates with the cavity of one water storage hole; conveying and guiding structures extending outwards along the outer wall of the stone wall are fixedly mounted at the lower edge position of orifices of the water storage holes; and vines are planted in the planting holes in the stone wall. According to the mining stone wall ecological restoration method, the defect that a net hanging grass spraying regreening technology is not resistant to rain wash is overcome, the requirement of plant growth for water is met, and the defect that a planting pool hanging regreening technology is difficult to irrigate is overcome.