117results about How to "Problems affecting normal use" patented technology

The invention discloses a real-time salt quantity monitoring type water softener and a monitoring method thereof. The water softener comprises a water softener body, a salt box, a controller and a salt level sensor. The salt box and the controller are both mounted in the water softener body, and the salt level sensor is mounted at the top of the salt box and electrically connected with the controller and is used for detecting a distance h between a position of the salt level sensor and a salt level in the salt box. A reminding module is used for displaying current residual salt volume V to allow a user to timely know the current residual salt volume V. Since reminding is not only performed under a no-salt condition, the user can timely and conveniently replenish salt to avoid the problem of influences on normal use of the water softener which fails to soften hard water due to lack of salt.

The invention discloses a short-distance coal seam roadway excavating and supporting method. The method comprises steps as follows: 1, basic mechanical parameters of surrounding rock are determined; 2, reserved excavated volumes of two sides of a roadway are determined; 3, the roadway is excavated; 4, a roadway side supporting structure is determined and comprises roadway supporting units and grouted rock bolts which are arranged in a staggered manner, and the roadway supporting units comprise top plate supporting systems, bottom plate supporting systems and roadway side supporting systems; and the limit caving arch rise is determined; 5, the roadway supporting structure is determined; 6, roadway surrounding rock supporting construction is performed; 7, excavation of the next section and roadway surrounding rock supporting construction are performed; 8, the step 7 is repeated multiple times, and the short-distance coal seam roadway construction process is completed. The method is simple, reasonable in design, convenient to realize and good in use effect, the reserved excavated volumes of the two sides of the roadway are determined respectively according to surrounding rock deformation conditions of the short-distance lower coal seam roadway, and whole section supporting is performed on the roadway through combination of the grouted rock bolts with the roadway supporting units.

The invention discloses a roadside support method of a short-distance coal seam roadway. The short distance coal seam roadway includes the steps of firstly, determining the basic mechanical parameters of surrounding rock; secondly, determining the excavation volume of two sides of the roadway; thirdly, excavating the roadway, to be more specific, excavating according to the excavation volume of the two sides of the roadway; fourthly, determining a roadside support structure which comprises a plurality of roadside support units and a plurality of grouting anchoring rods, wherein the roadside support units and the grouting anchoring rods are arranged in a staggered manner; fifthly, performing roadside surrounding rock support construction; sixthly, excavating the next section and performing roadside surrounding rock support construction; seventhly, repeating the sixth step until all the short-distance coal seam roadway is excavated and the roadside surrounding rock support construction is completed. The roadside support method has the advantages that the method is simple in steps, reasonable in design, convenient to implement and good in use effect, the reserved excavation volume of the two sides of the roadway is determined according to the surrounding rock deformation conditions of the short-distance lower coal seam roadway, and the grouting anchoring rods and the roadside support system are coordinated to achieve effective roadside support.

The invention discloses a method for controlling caving of a roof of a short distance coal bed roadway. The method comprises steps as follows: 1, determination of basic mechanical parameters of surrounding rock; 2, determination of reserved excavated volumes of two sides of a roadway; 3, excavation of the roadway; 4, determination of a roadway side part supporting structure: a roadway support structure comprises roadway support units and grouting anchor rods which are arranged in a staggered manner, and each roadway side part support unit comprises a roof support system and a roadway side part support system; 4, determination of the vector height of extreme caving arches; 5, determination of the roadway support structure; 6, support construction of roadway surrounding rock; 7, excavation of the next section and support construction of the roadway surrounding rock; 8, completion of the construction process of the short distance coal bed roadway after repeated implementation of the step 7. The method adopts simple steps and is reasonable in design, convenient to implement and good in use effect; the reserved excavated volumes of two sides of the roadway are determined according to the surrounding rock deformation condition of the short distance coal bed roadway respectively, and the roadway side parts and the roof are supported through matching of the grouting anchor rods and the roadway support units.

The invention discloses a high-overload stable transformer, which includes a casing and a transformer main body arranged inside the casing. A wiring board for installing the transformer is also arranged inside the casing. The main body of the transformer includes an iron core, and a winding is sleeved on the outer wall of the iron core. Connected with a coil, the high overload stable transformer of the present invention improves the efficiency of the transformer and reduces the electrical loss of the transformer, thereby increasing the output power of the transformer, effectively slowing down the vibration of the transformer when it is shaken, and improving the overall stability of the transformer The stability ensures the stable operation of the transformer. In addition, the dust removal device can be used to effectively remove dust, which effectively improves the overload capacity of the transformer.

The embodiment of the invention discloses an identity management method and device of Internet of Things intelligent equipment and an Internet of Things platform. The method comprises the following steps: when an Internet of Things equipment access request is obtained, analyzing the Internet of Things equipment access request to obtain address information of first target Internet of Things equipment; setting an identity code for the first target Internet of Things equipment according to a universal unique identification code generation algorithm; and binding the address information of the first target Internet of Things equipment and the identity code of the first target Internet of Things equipment in the current binding information table. According to the technical scheme provided by theembodiment of the invention, lifelong uniqueness of the identity of the Internet of Things equipment is realized, effective management of the identity of the Internet of Things equipment by the Internet of Things platform is further realized, and the problem that normal use of the Internet of Things equipment is affected due to identity identification errors of the Internet of Things equipment caused by identity code change when the access address of the Internet of Things equipment is changed is avoided.

The invention relates to the field of network storage technology, and particularly relates to a data access method and apparatus. The data access method and apparatus are used for solving the problem that the data input and output efficiency of a storage device is low, and the problem that the normal input and output of the data of all logic units in the storage device will be influenced when a storage controller has failure. The embodiments of the invention provide a data access method, the method is applied to a storage system, the storage system comprises a host and the storage device, the storage device comprises a plurality of storage controllers, and the data access method comprises the steps that: the host generates a data access request, wherein the data access request comprises a logic unit number LUN of a logic unit marked by the LUN; the host determines the storage controller for controlling to access the logic unit marked by the LUN according to a mapping relation of the LUN and the storage controller; and the host sends the generated data access request to the determined storage controller.

The invention belongs to the technical field of rubber, and specifically discloses an anti-aging rubber, which is prepared from the following components in parts by weight: 70-90 parts of natural rubber SVR3L, 10-30 parts of butadiene rubber 9000, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 5-8 parts of ordinary paraffin, 3-5 parts of microcrystalline wax, 3-5 parts of coumarone resin, 2-3 parts of coupling agent, 2-5 parts of dispersing aid, softener 5-10 parts, anti-aging agent mixture 5-7 parts, accelerator mixture 1.3-1.8 parts, carbon black mixture 70-85 parts, sulfur 1.8-2.5 parts, anti-scorch agent 0.2-0.4 parts. The anti-aging agent mixture is anti-aging agent RD, anti-aging agent 4010NA, and the accelerator mixture is accelerator CZ, accelerator DM, and accelerator TMTD. The anti-aging rubber of the invention has good anti-oxidation and anti-aging capabilities, and good mechanical strength and fatigue resistance.

The invention provides an LED lamp bead with an internally-packaged IC for breakpoint resume bidirectional data transmission. The LED lamp bead comprises a power conversion chip, a breakpoint resume bidirectional data transmission IC chip, three LED light emitting units and a packaging carrier, wherein the power conversion chip is connected with the breakpoint resume bidirectional data transmission IC chip and the three LED light-emitting units through metal wires, and three parallel output pins of the breakpoint resume bidirectional data transmission IC chip are connected with the three LED light-emitting units through metal wires; the packaging carrier is provided with metal conductive pads connected with the pins, the three LED light-emitting units, the breakpoint resume bidirectional data transmission IC chip and the power conversion chip are fixedly arranged on the metal conductive pads and fixed to the packaging carrier through packaging glue, and the pins on the packaging carrier are spaced through insulators. According to the technical scheme, the problem that normal use of all lamp beads behind a plurality of LED lamp beads is affected due to damage of the LED lamp beads in the prior art is solved, and global LED display is effectively prevented from being affected.

The invention discloses a pre-filter, which comprises an outer framework, a bottle body and a filter screen arranged on the inner side of the outer framework, wherein the outer framework is provided with a plurality of scraping strips used for scraping impurities on the inner wall of the bottle body and the filter screen; the pre-filter further comprises a rotary driving assembly connected with the outer framework, wherein the outer framework is driven to rotate through the rotary driving assembly, so that the scraping strip scrapes impurities on the inner wall of the bottle body and the filter screen. According to the pre-filter, the problem that the normal use of the pre-filter is influenced due to the fact that the structures of product parts are easily damaged due to improper manual scraping operation can be avoided, the dirt removal efficiency can be improved, the labor intensity of workers is reduced, and the production cost is reduced.

The invention provides an LED lamp bead with four-wire internally-sealed IC with a bidirectional data transmission function. The LED lamp bead comprises an LED light-emitting unit, a bidirectional data transmission IC chip, a power conversion chip, a packaging carrier and packaging glue. The power conversion chip is connected with the bidirectional data transmission IC chip and the LED light-emitting unit through metal wires, and parallel output pins of the bidirectional data transmission IC chip are connected with the LED light-emitting unit through metal wires. The packaging carrier is further provided with four metal conductive bonding pads, the LED light-emitting unit, the bidirectional data transmission IC chip and the power conversion chip are fixedly arranged on the metal conductivebonding pads, and the LED light-emitting unit, the bidirectional data transmission IC chip and the power conversion chip are fixed to the packaging carrier through the packaging glue. According to the technical scheme, the problem that in the prior art, normal use of all lamp beads behind an LED lamp bead is affected due to the fact that the LED lamp bead is damaged is solved, global LED displayis effectively prevented from being affected, and meanwhile the beneficial effects of being simple in wiring and the like are achieved.

The invention discloses a method for preventing and controlling a floor heave disease of a short-distance coal seam roadway. The method comprises the following steps of: 1, determining basic mechanical parameters of surrounding rocks; 2, determining excavated volumes reserved on two sides of the roadway; 3, excavating the roadway; 4, determining a roadway side support structure: the roadway support structure comprises a plurality of roadway support units and a plurality of grouting anchor rods, and the roadway side support units are staggered with the grouting anchor rods and respectively comprise a bottom plate support system and a roadway side support system; 5, constructing a roadway surrounding rock support; 6, excavating the next section and constructing the roadway surrounding rock support; and 7, repeating the step 6 until all the excavation of the short-distance coal seam roadway and the construction process of the roadway surrounding rock support are finished. The method disclosed by the invention is reasonable in design, convenient to realize and good in using effect; and the excavated volumes reserved on the two sides of the roadway are respectively determined according to the surrounding rock deformation condition of the short-distance lower coal seam roadway, and the grouting anchor rods and the roadway support units are matched to effectively support the roadway, so that the floor heave problem of the roadway can be effectively solved.

The invention provides an operation data migration method, device and equipment and a storage medium, and relates to the technical field of data migration. The method comprises the steps of obtainingfirst account information and token information of a to-be-migrated user sent by a server of a first operator; according to the token information, obtaining operation data information of the to-be-migrated user from a server of the first operator; acquiring second account information of the to-be-migrated user through a webpage used for logging in a server of a second operator; establishing a corresponding relationship between the first account information and the second account information; wherein the corresponding relationship is used for searching the first account information by the server of the second operator according to the second account information, and acquiring the operation data information by adopting the first account information. Compared with the prior art, the problem that normal use of a user is affected due to change of an operator is avoided.

The invention discloses an outdoor low-voltage power distribution cabinet, and relates to the technical field of low-voltage power distribution cabinets. The outdoor low-voltage power distribution cabinet comprises a power distribution cabinet main body, a rainproof plate and a motor, the top of the power distribution cabinet main body is fixedly provided with a dust falling mechanism used for carrying out dust falling treatment on dust, and the left side of the interior of the power distribution cabinet main body is provided with a heat dissipation mechanism used for carrying out heat dissipation on electrical elements in the power distribution cabinet main body; and a cleaning mechanism for cleaning a dustproof net is arranged on the right side in the power distribution cabinet main body. According to the outdoor low-voltage power distribution cabinet, the protruding part of a rotating rod is matched with a sliding groove plate, so that the sliding groove plate drives a push rod to move up and down; under the action of a hinge rod, a pressing plate overturns downwards to extrude a liquid bag, water in the liquid bag is sprayed out of mist through an atomizing nozzle, and therefore the situation that dust easily enters the power distribution cabinet main body in areas where the amount of wind, sand and dust is large is avoided, the situation that the normal use of internal electric components in the power distribution cabinet main body are affected by the dust can be avoided, and the service life of the power distribution cabinet main body is prolonged.

The invention discloses an oil-proof and ozone-resistant nitrile butadiene rubber, which is prepared from the following components by weight: 100 parts of nitrile butadiene rubber, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 2-3 parts of paraffin, 2-3 parts of microcrystalline wax, 3-7 parts of coumarone resin, 2-4 parts of magnesium oxide, 2-5 parts of an oil absorbent, 10-15 parts of a plasticizer, 55-65 parts of a carbon black mixture, 10-20 parts of filler, 5-8 parts of an anti-aging agent mixture, 2-3 parts of a promoter mixture and 0.5-1.5 parts of a vulcanizing agent. The oil-proof and ozone-resistant nitrile butadiene rubber provided by the invention has good anti-oxidation and weather-proof performance, also has good mechanical strength and fatigue resistance, and strong oil resistance and ozone resistance.

The invention relates to the technical field of circuit board processing, and discloses spot welding equipment for PCB production. The spot welding equipment comprises a base, and two supporting plates are symmetrically and fixedly connected to the upper surface of the base. The upper ends of the two supporting plates are fixedly connected with the same connecting plate; the lower surface of the connecting plate is fixedly connected with a hydraulic push rod; the output end of the hydraulic push rod is fixedly connected with a spot welding gun; two working cavities are formed in the base, andmoving structures are connected into the working cavities; connecting holes are formed in the upper surface of the base; each moving mechanism comprises a handle and a sliding cylinder; the handles extend out of the base through the connecting holes; and sliding holes are formed in the surface of the base. A PCB can be fixed between the two clamping plates from the upper portion, so that the situation that due to the fact that left-right clamping is not firm enough, up-down fluctuation occurs in the welding process is avoided, an air suction cover can be moved circularly in the spot welding process, and the smoke adsorption area is increased.

The invention provides a surface defect processing method and a laser curing processing system, relating to the technical field of laser. The surface defect processing method comprises the steps of providing a to-be-treated fused quartz component; scanning the surface situation of the fused quartz component, so as to acquire position information of each defect on the surface of the fused quartz component; preparing and forming a silica sol-gel layer on the surface with the defect through silica sol, so as to fill each defect; and performing laser curing treatment on the silica sol-gel layer according to the position information. Through adoption of the method, a problem in the prior art that the fused quartz component cannot resist laser damage strongly is solved.

The embodiment of the invention discloses a field diaphragm. The obverse side of the field diaphragm is a reflecting mirror face, the other part is covered with a black coating, and division lines are arranged on the obverse side of a field diaphragm body. According to the field diaphragm, the division lines and the field diaphragm are located on the same plane, the relative positions of the division lines and the field diaphragm are invariable, and therefore the problem that in the prior art, the imaging effect is influenced due to the fact that the relative positions of the field diaphragm and the division lines change is avoided. The invention further discloses a pyrometer optical sighting device including the field diaphragm. When the device is used, the relation positions of the division lines and the field diaphragm do not need to be installed and adjusted, and more precise sighting of the pyrometer optical sighting device is guaranteed.

The invention discloses an eye protection reminding method. The invention discloses a mobile terminal and a computer readable storage medium. In a terminal eye protection reminding mechanism, an interface of the terminal can be shielded during message reminding;, and the normal use of a user is influenced; whether the terminal meets the condition of opening the eye protection mode currently is determined based on the current environment data and the specific parameter configuration in the display parameters of the terminal; if yes, at least one display lamp on the terminal is controlled according to a preset reminding rule, so that the reminding effect of turning on the eye-protection display is achieved, the problem that normal use of a user is affected due to the fact that a screen operation interface of the terminal can be shielded is solved, and the use experience of the user is greatly improved.