142results about How to "Avoid Equipment Damage" patented technology

A system and method to control environmental parameters of pre-defined zones within an environment using an electronic controller are disclosed. The system includes a non-proprietary electronic controller which enables a weighting value to be assigned to each zone within the environment. The electronic controller also detects any zone service calls from sensor devices associated with each of the zones and determines a cumulative weighting value in response to the detected zone service calls. The electronic controller selects an equipment staging combination from at least two possible equipment staging combinations in response to thermal capacity, and an air handler stage is selected in response to at least the cumulative zone weighting value.

A system and method to control environmental parameters of pre-defined zones within an environment using an electronic controller are disclosed. The system includes an electronic controller which enables a weighting value to be assigned to each zone within the environment. The electronic controller also detects any zone service calls from sensor devices associated with each of the zones and determines a cumulative weighting value in response to the detected zone service calls. The electronic controller selects a staging combination from at least two possible staging combinations in response to at least the cumulative zone weighting value.

The invention discloses an automobile power-take-off control system of a wheel-chassis construction machinery, which comprises an engine control unit, an automobile control unit, an acquisition device, an operating device and a transfer case power-take-off device, wherein the output rotating speed signals are obtained from a gear box in real time by the acquisition device; corresponding power-take-off signals are output by the operating device according to a power-take-off mode option switch; the current gear position of the gear box is determined by the automobile control unit in accordance with the engine rotating speed signals and the output rotating speed signals of the gear box; corresponding effective-power-take-off control signals are output according to the matching relationship between manual braking and neutral signals as well as between the power-take-off signals and the current gear position; and the transfer case power-take-off device is switched according to corresponding power-take-off signals and the effective power-take-off control signals. The system disclosed by the invention provides a plurality of power-take-off working modes, and maximally adopts engine powerand protects the engine from overloading. On the basis, the system provided by the invention also provides the wheel-chassis construction machinery with the power-take-off control system.

The invention discloses a virtual make-up trial method. The virtual make-up trial method mainly comprises the following steps that acquired images are analyzed, wherein a facial image of a make-up trial person is detected according to facial features, a proper image containing a face is selected as a make-up trial image, and the make-up trial image is updated according to a departure action of the make-up trial person; then, simulative behaviors of an actual make-up process of the make-up trial person are analyzed, and then processing operations corresponding to virtual make-up and virtual make-up processing parameters are determined; image processing is conducted on the make-up trial image on the basis of the virtual make-up processing parameters and the processing operations, virtual make-up is performed, and a virtual make-up effect is achieved. Accordingly, the invention further discloses a non-contact simulative virtual make-up trial system. By the implementation of the virtual make-up trial method and system, a non-contact simulative virtual make-up trial based on image processing can be realized, the marketing effect and the advertising effect can be improved, shopping experience of user is improved, and the problems that public hygiene is affected and equipment is damaged are avoided.

A system and method for remotely monitoring, measuring and controlling power to an electrically powered device with the use of a temperature sensor is disclosed herein. The temperature sensor is configured to transmit temperature readings for room temperatures to the central command computer to prevent harm to equipment within the facility, wherein the central computer is configured to perform reactive operations for other equipment in order to prevent damage to the other equipment based on the temperature readings received from the temperature sensor.

The invention relates to a dynamic slight press fan-shaped section hydraulic system leakage fault on-line judging and early warning method, which belongs to the technical field of continuous casting equipment maintenance in the metallurgical industry. The method has the technical scheme that (1) a roll gap control system PLCS7-300 sends a 'fan-shaped section hydraulic system locking' order to a remote station PLCS7-300; (2) the pressure value of the fan-shaped section hydraulic system is fed back; (3) the value of a fan-shaped section displacement sensor is fed back; (4) the roll gap control system PLCS7-400 judges the feedback pressure value of the hydraulic system and the value of the fan-shaped section displacement sensor combinedly; and further the results are output to a continuous casting master control system. With the method disclosed by the invention, roll gap control loss caused by the leakage fault of the hydraulic system can be prevented, the actual roll gap is controlledto meet the scope designed by the technology, the contraction taper of the roller gap is ensured to guarantee casting blank quality, an early warning function is played to protect fan-shaped section equipment, key equipment is monitored comprehensively and managed automatically in the whole continuous casting production process, the continuous casting production is stabilized, the technical control level is improved, the product quality is improved, and economic benefits are created.

A semiconductor integrated circuit includes a high-side transistor, a low-side transistor, a level shift circuit for driving the high-side transistor, and a pre-driver circuit for driving the low-side transistor. A connection point of the high-side transistor and the low-side transistor serves as an output terminal. The level shift circuit has first and second N-type MOS transistors whose gates are driven by the pre-driver circuit. The semiconductor integrated circuit further includes a diode whose anode is connected to the drain of the first or second N-type MOS transistor to which the gate of the high-side transistor is not connected, and whose cathode is connected to the output terminal.

Puncturing device FIG. 6 with needle shield 2, having a needle subassembly 1 and a needle shield 2 detachably mounted on the needle subassembly 1 for enclosing the needle distal end 9 up to the device usage, wherein said needle shield 2 has an actuating means 17 which being moved to a retracted position disengages the needle shield 2 from the needle assembly 1, wherein the detaching movement of the actuating means 17 is significantly shorter than the length of the needle 8.

The present invention relates to the technical field of distribution boxes, and discloses a power distribution box for construction engineering, including a bottom plate, the top of the bottom plate is fixedly connected with a card seat, and the inside of the card seat is clamped with a box body, One side of the front of the box is hinged with a box door, the bottom of one side of the box is fixedly connected with a heat dissipation pipe, the top of the box is fixedly connected with a top plate, and the top of the top plate is fixedly connected with a buffer The two sides of the top of the buffer seat are sleeved with telescopic columns, and the outer sides of the telescopic columns are sleeved with shock-absorbing springs. The power distribution box used in construction projects, through the buffer seat on the top of the roof, when the rainproof plate is subjected to the impact of heavy objects, the telescopic column and the spring cooperate to expand and contract up and down, disperse the force in the vertical direction, and reduce the vibration. The buffer spring and shock absorbing plate in the inner cavity of the box reduce the force in the left and right directions through the buffer spring when the distribution box moves, so as to avoid damage to the internal equipment and achieve the purpose of good protection effect.

The embodiment of the invention discloses a continuous production method and a continuous production device of acidic and neutral transparent sealing silicone adhesive and is used for effectively improving the product quality. The method disclosed by the embodiment of the invention comprises the following steps that firstly, in a first screw rod machine, 107 glue, first auxiliary agents, white oil and silicone oil are quantificationally fed for mixing, dispersion and vacuum pumping, and liquid materials are obtained after the temperature reduction of a cooler; the liquid materials are directly fed into a mixing device; white carbon black powder is metered through a metering tank; the metered white carbon black powder is conveyed to a mixing device through a powder conveying device and is mixed with the liquid materials, and mixed materials are obtained; and next, the mixed materials are conveyed to a second screw rod machine, and the product is obtained through preparation. The method and the device have the advantages that the white carbon black powder body is transported through the powder conveying device, the pressurization is not needed in the delivery process, the complicated step of pressurization is omitted, the equipment damage is avoided, and the yield is improved.

The invention provides an automatic transmission production line for assembly of a passenger car bogie. According to the production line, a flexible tooling technology, a manipulating system, a data acquiring and processing system and an automatic detection system are adopted; the automatic transmission production line is a production line which is continuously and sequentially provided with various stations for assembling and processing of the passenger car bogie in the same straight line direction, a rail is arranged on the foundation ground along the running direction of the production line, and a plurality of automatic stepping-type conveying carts are arranged on the rail. The automatic transmission production line disclosed by the invention thoroughly changes the traditional production method of the passenger car bogie, realizes continuous production on a one-stop flow production line, fuses and applies the traditional most advanced and reliable electric control and software technologies to the whole production line sufficiently, realizes a novel mode of passenger car bogie production reliably, safely, accurately and rapidly, is beneficial to management and accurate combined control of production field of the bogie and has remarkably-increased production efficiency.

The invention relates to a control method of a variable frequency lift pump based on liquid level adjustment. The control method comprises the following steps of: switching protection of a water pump during frequency conversion: firstly, forcibly lifting the frequency of a frequency converter to a set frequency value before switching the power frequency of the lift pump into a variable frequency; and variable frequency adjustment method of the lift pump for liquid level feedback control: adopting a constant water level PID variable frequency adjustment mode of absorption well water level tracking for the variable frequency adjustment control of the lift pump. Compared with the prior art, the invention has the advantages of solving the problem of current impact on the frequency converter due to load current break during the switching of the variable frequency pump, so that the service life of the frequency converter is greatly prolonged; meanwhile, the phenomenon of frequency converter damages caused by too great impact current is also avoided. The method has practicability in the aspect of switching control of a plurality of variable frequency pumps.

The invention relates to a horizontal moving-fixed bed type magnetization reduction roasting process, which comprises the following steps: (1) briquetting and pelletizing fine ore after sieving to obtain raw materials; (2) moving raw materials through horizontal moving-fixing The distribution machine of the ore bin in the bed type magnetization reduction roasting device distributes it to the horizontal moving bed, so that the lower layer is ore and the upper layer is balls; (3) The ore and balls on the horizontal moving bed are magnetized reduction roasted with gas or coal powder ;After the ore is fully reduced, the magnetization roasting process is completed; (4) The ore and balls roasted in step (3) are discharged by the scraper at the end of the bed surface, and discharged into the water cooling device. After cooling by water, the unloading machine moves out The ore is sent to the grinding and sorting process. The preheating, heating and reduction processes of powder ore magnetization reduction roasting in the present invention are all completed on the horizontal moving-fixed bed roasting device, which not only simplifies the production process, reduces investment costs, but also avoids the process similar to rotary kilns, etc. The ring formation problem of roasted fine ore.

The invention discloses an online real-time diagnosis service system and an online real-time diagnosis service method for a hydraulic cold-drawing machine. The online real-time diagnosis service system for the hydraulic cold-drawing machine comprises a parameter acquisition system, a running state management system and an online diagnosis system, wherein by using an online monitoring mode, running management and fault maintenance of the hydraulic cold-drawing machine can be realized, and the online real-time diagnosis service system has the advantages of convenience for management, reliability and timeliness and high efficiency in maintenance; furthermore, a production delay phenomenon caused by equipment fault can be avoided effectively, historical data can be supplied to an optimized cold-drawing processing technology, and traceability and the like of the data can be realized; and data information exchange with an entrise resource planning (ERP) system of an enterprise can be realized, so online diagnosis service can be realized.

The invention discloses a two-degree-of-freedom sliding-type temporary supporting device and a working method thereof. The two-degree-of-freedom sliding-type temporary supporting device comprises a first supporting device, a second supporting device, a frame moving driving device and a frame moving auxiliary device. The first supporting device and the second supporting device are connected throughthe frame moving driving device and the frame moving auxiliary device. Under the joint effect of a bottom lifting device arranged at the bottom of the first supporting device and facilitating slidingand forward moving, the frame moving driving device and the frame moving auxiliary device, the sliding-type temporary supporting device automatically slides and moves forwards to the designated working position. The first supporting device and the second supporting device adopt two sets of structures which are connected and combined by three linear driving devices and hinges, so that a jacking support has two degrees of freedom. The problem that when the ground and the top face of a roadway are not parallel, the device is prone to overall skewing is solved, meanwhile, auxiliary equipment is not needed during frame moving, the pushing step pitch is large, supporting is safer and more reliable, and the two-degree-of-freedom sliding-type temporary supporting device and the working method thereof have the advantages that the work efficiency is high, the automation degree is high, and adaptability to the top face of the roadway is good.

The invention belongs to the technical field of metal casting and provides a metal casing device. The metal casting device is provided with a melting and casting chamber in which a crucible (13) and a casting mold (5) are arranged, wherein the melting and casting chamber (6) is in a structure capable of swinging at a certain angle under the action of a driving device; the crucible (13) and the casting mold (5) which are disposed in the melting and casting chamber (6) can swing at a certain angle along with the melting and casting chamber; molten metal flows into a storage chamber (19) of the casting mold from the crucible during swinging with the melting and casting chamber; and pressure gas is fed into the melting and casting chamber (6) through a gas inlet (25) in the center of a spindle so that the molten metal flown into the storage chamber of the casting mold is pressed into a cast molding cavity (10) of the casting mold to form casts. According to the metal casing device, parts do not move relatively in pouring process, so that damage to equipment due to arc striking in pouring process in the prior art can be avoided. Compared with the centrifugal pressure casting machine in the prior art, the metal casing device has the advantages of being simple in structure and small in size.

The invention relates to a recyclable SF6 gas discharging device which comprises a gas recycling bottle, a high-pressure gas pump communicated with the gas recycling bottle through a first high-density plastic pipe, and a gas flow control valve communicated with the high-pressure gas pump through a second high-density plastic pipe. The recyclable SF6 gas discharging device is convenient to carry and easy to operate; the working efficiency is greatly improved; the human safety is guaranteed; the environment pollution is avoided; the signal transmission precision is guaranteed, and the working efficiency is effectively improved; discharged SF6 gas can be recycled; the SF6 gas is prevented from being directly discharged and harming the human safety; the atmospheric environment is protected; and the green and environmentally-friendly overhaul is realized.

A semiconductor integrated circuit includes a high-side transistor, a low-side transistor, a level shift circuit for driving the high-side transistor, and a pre-driver circuit for driving the low-side transistor. A connection point of the high-side transistor and the low-side transistor serves as an output terminal. The level shift circuit has first and second N-type MOS transistors whose gates are driven by the pre-driver circuit. The semiconductor integrated circuit further includes a diode whose anode is connected to the drain of the first or second N-type MOS transistor to which the gate of the high-side transistor is not connected, and whose cathode is connected to the output terminal.

The invention discloses intelligent hospital registration booking equipment based on an Internet-of-Things technology. The intelligent hospital registration booking equipment comprises a device main body, wherein the bottom portion of the device main body is provided with universal wheels, the lower end of the device main device is provided with a first receiving groove with an opening on one side, a stretching rod is arranged inside the first receiving groove, the stretching rod end away from the first receiving groove is fixedly connected to a vertical support column, the vertical support column end away from the stretching rod is provided with a rotation shaft, and the rotation shaft is provided with a cushion. According to the present invention, the touch display screen, the mouse, thekeyboard and the card insertion area can be subjected to locking protection by the roller shutter protection plate and the protection cover plate, such that the safety of the device components is protected; the person with limited mobility can take the cushion out of the receiving groove and uses the cushion, and can place the cushion into the receiving groove after the use so as to save the space; and the hospital registration system uses the equipment for determining the registration booking by identifying the number of the electronic tag so as to improve the working efficiency of the hospital.

The invention discloses an automatic polishing workroom suitable for combined cabinet handles, and belongs to the field of machining equipment. The automatic polishing workroom consists of a workroomseparation plate, a first machining device, a slide mechanism, a guide mechanism, a bottom machining device, a dustproof net, a dust collecting room door sheet, a dust collecting room door sheet handle, a bottom slide rail, a dust sucking device, a second machining device, a loading device, a top machining device and a top slide rail; the first machining device and the second machining device aremounted on two sides of the workroom separation plate; the bottom machining device and the top machining device are mounted at the bottom and the top of the workroom separation plate; the loading device is mounted behind the workroom separation plate; and the dust sucking device is mounted on the inclined lower side of a polishing piece. The automatic polishing workroom has the following beneficial effects: during polishing of handles, the first machining device, the second machining device, the top machining device and the bottom machining device can synchronously polish multiple surfaces ofthe handles through cooperation between respective guide mechanisms and double-shaft double-rod cylinders, so that both manpower and time are saved.

The embodiment of the invention provides a method and a device for adjusting the operation mode of a power grid and relates to the technical field of power systems, wherein the problem that equipmentis damaged due to the voltage sag as a result of the short circuit fault of the power grid in the prior art is effectively solved. According to the scheme, the voltage sensitivity of each bus in the power grid is determined; according to the voltage sensitivity, all buses in the power system are ranked from large to small, and then the important degree of each bus is obtained; according to the types of one part of the buses ranked first, corresponding control operations are carried out on the power grid, so that the operation mode of the power grid is adjusted. The control operations are composed of additionally arranging a low-voltage capacitor, additionally arranging a power generation set or switching on a standby reactive power supply. The method and the device are used for adjusting the operation mode of the power grid.

The invention relates to the informatization management system field, and discloses an equipment utilization method and equipment. The equipment utilization method is used for industrial production, and comprises steps that the equipment is in a standby state, and when a trigger operation of a user is detected, the user information of the user and material information of a material selected by the user are acquired; whether the material is matched with an identification number of any material in a material list is detected according to the identification number, and whether the user information is matched with user information of any user of a user list is detected; when the identification number of the material is matched with the identification number of any material in the material list and the user information is matched with the user information of any user in the user list, the equipment enters a working mode. The equipment utilization method and the equipment are advantageous in that the user using the equipment is guaranteed to be an authorized user, and the selected material is the material, which can be used in the equipment, and therefore unreasonable operation of an unauthorized user is prevented.

The invention discloses a natural fiber granulating process for preparing composite materials. The natural fiber granulating process comprises steps as follows: (1) opening natural fibers and low-melting fibers and mixing the natural fibers with the low-melting fibers in mass ratio of 95 / 5-5 / 95 so as to obtain blend fibers, wherein the melting point of the low-melting fiber is lower than 200 DEG C; (2), carding and drawing the blend fibers obtained from the step (1) to form natural fiber tops; (3) simultaneously heating and twisting the natural fiber tops obtained from the step (2), obtaining natural fiber formed tops by cooling and forming, and finally obtaining natural fiber granules via cutting. After the natural fibers are granulated by aid of the process, granulated natural fibers are fed into an extrusion machine, and then problems of difficulty of feeding of the natural fibers and difficulty of dispersing fibers in resin when preparing natural fiber reinforced composite materials by adopting the extrusion molding are resolved.

The invention relates to a method for preventing water storage in a strong or weak current well. The method comprises the following steps of: building a water storing pond below an original well level; connecting a pipe fitting with the water storing pond below a main body well while arranging a reverse water stopping device in a pipeline which is connected with the water storing pond below the main body well; arranging a water level switch in the water storing pond; arranging a water pumping pipeline which is communicated to the inlet of the main body well and is flush with the water level of the main body well above the other end of the main body well; arranging a water level alarm in the upper side of the water pumping pipeline; and covering a well cover. Due to the adoption of the method, water storage in the improved strong or weak current well is prevented, inflow water is prevented from entering the water storing pond from the lower side of the main body well even the sealing property is poor, and stored water is prevented from entering the well since the water outlet of the main body well is closed by using the reverse water stopping device when the water level in the water storage pond reaches a certain position; and moreover, the alarm is arranged, so that soaking of accumulated water is avoided, and the phenomena of personal injury and equipment damages are avoided.

The invention provides a portable type manual rapid dismounting and assembling tool for a card lock type anti-explosion tyre. The portable type manual rapid dismounting and assembling tool comprises a push-pull disc with a disc face located on the horizontal direction, wherein a central hole is formed in the center of the push-pull disc along the vertical direction; 3-16 strip-shaped through grooves are symmetrically formed in the disc face of the push-pull disc along the radial direction of the central hole; a bearing disc is arranged below the push-pull disc; rotary pin shafts are arranged at the edge of the bearing disc along the vertical direction; the quantity of the rotary pin shafts is the same as that of the through holes; each rotary shaft is correspondingly located below the inner side of the inner end of each through groove; each rotary shaft is connected with the inner end of a transverse beam in a mounting manner; a strip-shaped mounting groove is formed in each transverse beam along the axis direction. The invention aims to provide the portable type manual rapid dismounting and assembling tool for the card lock type anti-explosion tyre for the transportation safety of crawler-type vehicles; the portable type manual rapid dismounting and assembling tool is small in volume, is convenient to manually detach and assemble and is convenient to use and carry; the tyre can be detached conveniently, rapidly and safely and the labor is saved; tyre parts are not damaged and the working efficiency is high.

The invention relates to an acid-adjusting hydrolysis process for preparing levulinic acid. The raw materials are ground, sieved and combined, and the concentration of the catalyst of sulfuric acid is adjusted to reduce the initial concentration of the reacted acid, thus the reaction can be carried out more moderate and environmental-friendly, and more importantly, the yield of the levulinic acid prepared with the acid-adjusting hydrolysis process can be greatly improved by 57.95 percent on average. In the invention, the waste agricultural crops such as the core straw, the rice straw and the rice husk which has the lowest utilization ratio are combined, thus the content of the cellulose in the raw materials are improved, and the carbonization to the rice husk from the acid is reduced. The cellulose can be thoroughly hydrolyzed in the reaction process through adjusting the concentration of the sulfuric acid in the reaction process, while the slag from other similar hydrolysis reaction contains part of the cellulose which is not hydrolyzed in the current time. The invention can avoid the raw material carbonization and the equipment damage which are resulted from the over high concentration of the acid.

The invention relates to a shock-resistant packing box which comprises an outer box and an inner box. Chamfers are arranged on two parallel sides on the upper portion of the outer box to form a first outer installation face, chamfers are arranged on two parallel sides on the lower portion of the outer box to form a second outer installation face, and the first outer installation face and the second outer installation face are arranged symmetrically. Chamfers are arranged on two sides on the upper portion of the inner box and parallel to the first outer installation face to form a first inner installation face, chamfers are arranged on two sides on the lower portion of the inner box and parallel to the second outer installation face to form a second inner installation face, and steel wire rope vibration isolators are connected between the first outer installation face and the first inner installation face and between the second outer installation face and the second inner installation face. The shock-resistant packing box is used for conducting impact protection in the device transportation process, and damage to devices in the box due to the fact that the box falls accidentally can be avoided.

The invention belongs to the field of waste recycling, and particularly relates to an anolyte clarifying tank waste chlorine gas recovery technology in the ionic membrane caustic soda production. The waste acid water generated by a chelate resin tower of a twice brine purification process is added into an anolyte clarifying tank, and a chlorine gas collection pipeline is added to the original chlorine gas pipeline of the anolyte clarifying tank and joins a chlorine gas manifold to enter the production system. The technology provided by the invention can recycle the waste chlorine gas of the anolyte clarifying tank in the ionic membrane caustic soda production, the chlorine gas purity meets the requirement of greater than or equal to 96% of the production system, and the caustic soda consumption of a waste chlorine gas absorption tower is effectively reduced; and meanwhile, the resin regeneration acid water can be recycled, and the economic and social benefits are relatively great.

The invention discloses a hydraulic lifter garbage truck cover plate turnover control system. The system comprises a cover plate, a cover plate oil cylinder, a cover plate solenoid valve, a first sensing assembly, a scraper, a scraper oil cylinder, a scraper solenoid valve and a second sensing assembly. The system has the beneficial effects that through linkage of a scraper proximity switch and the cover plate solenoid valve and linkage of a cover plate proximity switch and the scraper solenoid valve, mutual interference of the cover plate and the scraper is avoided and the problem of equipment damage possibly caused by manual control is effectively avoided; meanwhile, the labor intensity of sanitation workers is greatly reduced through automation; the system has a simple mechanism and is easy to popularize and use on a large scale and in a wide range.