84results about How to "Reduce trips" patented technology

A waste collection and disposal system for use in health care facilities is provided. The system includes a mobile waste collection unit for moving between use areas in the health care facility to collect waste material generated during medical procedures including body fluids, body tissues, saline, etc. The waste collection unit includes stacked upper and lower waste containers for receiving the waste material. During use, the upper waste container can be emptied into the lower waste container for temporary storage. In addition, different vacuum levels can be provided in the waste containers during complex procedures. Once a user desires to empty the waste collection unit, the waste collection unit is wheeled to a docking station. At the docking station, the waste material is off-loaded to a waste drain and the waste collection unit is cleaned and rinsed for further use.

Drilling tools include a bit crown and an integrated reamer. The bit crown and the integrated reamer can be configured with approximately equal drilling lives. The bit crown can be impregnated with abrasive cutting media and include one or more external flutes. The integrated reamer can be positioned at the base the bit crown and include one or more channels that align with one or more of the outer flutes. The channels can taper such that they increase in width as they extend away from the bit crown.

The invention discloses a screw drill transmission shaft assembly which is used in oil and gas drilling and can reduce the drill vibration, prolong the service life of the drill and improve the mechanical drilling rate. The screw drill transmission shaft assembly consists of a shell, an upper transmission shaft, an upper radial bearing static sleeve, an upper radial bearing dynamic sleeve, a loadbearing group, a vibration reducing device, a lower transmission shaft, a lower short section, a central spindle and the like. The technical scheme is that: the upper transmission shaft is mounted inthe shell; the upper radial bearing static sleeve and the upper radial bearing dynamic sleeve are cooperatively mounted in an annular space formed by the shell and the upper transmission shaft; the load bearing group is mounted at the lower ends of the upper radial bearing static sleeve and the upper radial bearing dynamic sleeve; the vibration reducing device is mounted at the lower end of the load bearing group; when in work, a spline slot of the upper transmission shaft is matched with a spline of the lower transmission shaft; the lower short section is in threaded connection with the shell; and the central spindle is in threaded connection with the upper transmission shaft. The screw drill transmission shaft assembly disclosed by the invention does not increase the length of the lowerdrill, brings relatively little influence on the bottom drill combination, and can be applied to the angle building operation and curved borehole.

The invention discloses a charging pile for an electric vehicle, comprising a main leakage protecting switch, a plurality of charging output loops, a current measuring device and a control device, wherein the main leakage protecting switch is connected with a power supply grid; the charging output loops are connected with the main leakage protecting switch and comprise output loop control switches and charging sockets; the current measuring device is used for measuring the current of the charging output loops; and the control device is used for controlling the on-off of the output loop control switches and the main leakage protecting switch according to a current value measured by the current detecting device. The charging pile for the electric vehicle has the advantages of simple structure, convenient use, safety and reliability.

The invention relates to an intelligent monitoring device for a screw pump well, which is a high-performance industrial control device combined with optical, mechanical and electronic integration and electronic information and communication technology, and is mainly used for intelligently monitoring oil extraction of the screw pump well in oil field. The intelligent monitoring device mainly comprises a light current part and a strong current part, and is characterized in that the intelligent monitoring device takes connection of parts such as a sensor capable of measuring dynamic liquid level of the screw pump well on line, a sensor capable of measuring the torque and axial force of the screw pump well on line, a sensor capable of measuring electricity using parameters such as running current constantly and a remote wireless communication device and the like with a CPU as a core to realize the effective measurement and intelligent closed-loop control of the screw pump well. The intelligent monitoring device can avoid pump burning phenomenon of a screw pump caused by evacuation through accurate measurement and effective monitoring and dispatching, scientifically make a hot washing system according to wax deposition cause and the like to avoid phenomena such as rod breakage and the like, find eccentric wear problem in time to prolong pump detection cycle, and optimize design of the screw pump well to reasonably determine working parameters and reduce potential safety hazard and the like.

The invention relates to a portable dental therapeutic apparatus which comprises a box body, an air compressor, a water tank, a connector, a therapeutic tool, an electromagnetic pump, a panel control system, a pipeline system, a storage battery, a fastener, an elevating mechanism, a guide roller system and a wireless pedal control unit, wherein the panel control system is provided with a display screen and used for adjusting the quantities of air and water sprayed from the therapeutic tool; the box body comprises an upper box body, a lower box body and a flip cover, which is positioned on one side of the upper box body and the lower box body, can rotate and can be buckled on the side surface of the upper box body; the fastener is used for controlling the closing and separation of the upper box body and the lower box body; the elevating mechanism is arranged between the upper box body and the lower box body; the guide roller system can release or tighten a connecting sleeve along with the rise or fall of the elevating mechanism; the wireless pedal control unit is used for controlling the working power of the therapeutic tool; and the pipeline system is positioned in the connecting sleeve. The dental therapeutic apparatus can be normally used in any location, can effectively reduce the phenomenon of stumble of people, and has the advantages of simple and compact structure and smaller occupied space.

The invention relates to an electrical fire monitoring system which comprises an optical fiber temperature monitoring alarm device, a residual current type electrical fire monitoring detector and an alarm monitoring host. The system also comprises a data concentrator, and the data concentrator is used for respectively receiving monitoring information from the optical fiber temperature monitoring alarm device and the residual current type electrical fire monitoring detector and uploading the monitoring information to the alarm monitoring host, through the Ethernet or a local network. The alarm monitoring host communicates with a monitoring workstation in real time through the Ethernet or local network or a GPRS (General Packet Radio Service) wireless network. The optical fiber temperature monitoring alarm device and the residual current type electrical fire monitoring detector are respectively used for monitoring the temperature information of power equipment and the residual current information of each return circuit and transmitting the monitoring information to the data concentrator. The data concentrator uploads the monitoring information to the monitoring host through the Ethernet or local network after processing the monitoring information, and the monitoring host displays whether the power equipment is overheated and the residual current in the return circuit exceeds limits or not in real time and gives an early warning or alarm when an exception occurs.

The present invention relates to a high sensitivity, high fidelity, high uniformity and high efficiency amplification technology of trace and complex DNA. The technology system is constant temperature DNA amplification optimized by high concentration trehalose and guided by DNA polymerase, wherein balanced and efficient amplification of DNA in different regions of the whole genome or a DNA library sequence can be maintained in the context of effective inhibition on non-specific amplification by the amplification system. The method has the following characteristics that: sensitivity is high; balanced amplification of different region sequences can be maintained, and the amplification product has high fidelity (minimum deviation) and high uniformity; and the total reaction volume has high flexibility, and can be conveniently adjusted according to requirements. In addition, the technology provides broad application prospects in single cell level and trace genome DNA amplification and gene detection, pretreated function genome associated DNA library (spectrum) analysis, and other fields.

The invention relates to a novel hinted bird puncturing device, which comprises a fastening part, a pricker support, prickers, an invisible rod and a lever, wherein the fastening part is a horizontal U-shaped clamp; the pricker support is fixedly arranged on an externally-extending support of the fastening part, and a plurality of prickers are vertically installed on the pricker support; a stand rod is installed on the upper side of the fastening part, and the lever is hinged at the top of the stand rod; the invisible rod corresponding to the prickers is arranged at one end of the lever, and through holes corresponding to the prickers are formed in the invisible rod; an adjustable balancing weight is arranged at the other end of the lever and is positioned at the low point of the lever. The novel hinted bird puncturing device is formed by the aluminum alloy support and the stainless steel prickers and is fixed between two cross arms. When birds fall on the novel hinted bird puncturing device, an aluminum plate naturally falls down, and the prickers come out so that the birds are hurt or driven at once. After the birds are hurt, the birds can feel fear about the cross arms and cannot make nests in positions of other cross arms. Birds are prevented from falling and making nests, line trip is reduced, and the reliability of power supply is increased.

The invention discloses a sucker rod anti-tripping connecting device which comprises a rod body, wherein master connecting ends and slave connecting ends are respectively arranged at both ends of the rod body, a connecting device is arranged between the adjacent master and slave connecting ends of the rod body, the connecting device comprises blind holes which are respectively arranged on the end surfaces of the master connecting end and the slave connecting end, the blind holes are eccentrically arranged on the end surfaces, anti-tripping shafts are inserted in the blind holes, the other end of each anti-tripping shaft is fixed on a connecting disk, and a connecting part formed by the master connecting ends and the slave connecting ends are connected with a coupling through threads; each connecting disk is arranged between each master connecting end and each slave connecting end, and the anti-tripping shafts fixed on the connecting disks are respectively arranged on the master connecting ends and the slave connecting ends, enhancing the capability of a sucker rod for overcoming breakout torque and reducing the occurrence of tripping conditions; and a special drilling mould is used for finishing the operation of drilling the blind holes on the master connecting ends and the slave connecting ends, achieving accurate and convenient positioning and higher drilling efficiency.

The invention discloses a variable frequency air conditioner and an intelligent unit high-frequency starting control method and system of the variable frequency air conditioner. The method comprises the step of obtaining a set order and a non-high-frequency starting quantum, the step of obtaining a starting order and judging whether the starting time is in the non-high-frequency starting quantum or not, the step of driving a compressor to be soft started in a low-frequency mode if the starting time is in the non-high-frequency starting quantum, and the step of driving the compressor to be started in a high-frequency mode if the starting time is not in the non-high-frequency starting quantum. The variable frequency compressor started in the high-frequency mode is controlled in a day parting mode at the starting stage so that the impact of an excessively large starting current to a community and urban power grid at the power utilization rush hours and the centralized starting-up time quantum can be reduced, the trip frequency is reduced, and meanwhile the problem that the high-frequency starting noise disturbs residents at the rest time quantum is avoided.

The invention provides a tricone PDC concentric drill bit. The tricone PDC concentric drill bit consists of a tricone PDC concentric drill bit and a PDC drill bit, wherein a pilot bit at the front endof the lower part of the tricone PDC concentric drill bit is the tricone PDC drill bit, and an reaming bit following an opening of the tricone PDC concentric drill bit is the PDC drill bit, so that atwo-stage drill bit is formed; the rotating axes of the upper and lower two-stage drill bits are overlapped; and the tricone PDC drill bit and the PDC drill bit are connected in a regular buckling manner through conical threads. The tricone PDC concentric drill bit is the combination of the tricone drill bit and the PDC drill bit; the tricone drill bit is the pilot bit with smaller diameter, thePDC drill bit is an expanding bit with larger diameter, and the rotating axes of the tricone drill bit and the PDC drill bit are overlapped, so that the advantages of the tricone drill bit and the PDCdrill bit are combined, and the efficient rock breaking of the two-stage drill bits is realized; the mechanical drilling speed potential is high; the mechanical drilling speed is improved; the drilling footage of the drill bit is increase; the underground accidents such as mud bags are decreased; the stratum applicability is wide; and a new technical scheme for improving the speed and the efficiency of the ground drilling operation with high deep hardness is supplied.

The invention discloses a high-pressure-bearing temporary plugging agent. The high-pressure-bearing temporary plugging agent is characterized by comprising the following components in parts by weight: 100 parts of water, 3-5 parts of bentonite, 0.3-0.5 part of xanthan gum, 70-110 parts of a slag-type gelatinizing agent, 3-6 parts of a filling agent, 3-5 parts of a retarder and 10-200 parts of barite powder. The high-pressure-bearing temporary plugging agent disclosed by the invention has the advantages of simple formula, low cost, short curing time and convenient operation; the risk of blocking of a drill caused by a cementing plug is avoided, the tripping operation required by the cementing plug is decreased, the drilling plug is avoided, the operation time for packing an open hole section by virtue of the conventional tie-backing well-cementation plug is facilitated to be shortened; the construction of the temporary plugging agent is simple, which meets the on-site pumping requirement; and the high-pressure-bearing temporary plugging agent can be widely applied in petroleum and natural gas drilling.

The invention relates to a drilling tool, in particular to a four-in-one drilling tool that achieves highly effective control of the track of medium and deep directional wells. The drilling tool at least includes a drill head (4), a single-bend screw (2), a short drill collar (4), upper stabilizers (5) and a nonmagnetic drill collar (6); the drill head (1), the single-bend screw (2), the short drill collar (4), the upper stabilizers (5) and the nonmagnetic drill collar (6) are connected in turn by screw thread; (3) angular spiral stabilizers (3) are distributed evenly along the external diameter of the single-bend screw (2); the angle building and angle holding for composite drilling is achieved by adjusting the angle of the single-bend screw (2), the short drill collar (4) between the upper stabilizers, or the length of the external diameter of the upper stabilizers (5). The drilling tool can perform track control so as to solve the problems of collision at long and straight well sections, irregular drifting of the easy-to-slope positions, frequent alternation of drilling tools due to the difficulty in controlling the well section tracks, inability for the mechanical drilling speed to release, as well as slow drilling speed.

The invention discloses a transmission line fire smoke identification method based on the meteorological environment, comprising the following steps: (1) acquiring a video monitoring image sampling frame, and carrying out image de-noising preprocessing; (2) extracting the features of a smoke motion area; (3) acquiring the speed and direction features of the motion area; and (4) identifying the shape of fire smoke. According to the method, first, the moving speed and moving direction of an inter-frame image in a sequence image are extracted accurately, and then, the motion of fire smoke is judged according to the early smoke moving features of fire and the tower meteorological environment parameters, so that the influence of birds, vehicles, pedestrians, forest areas and other factors is eliminated properly, and the misjudgment rate of transmission line fire alarm is reduced effectively. As an auxiliary tool of a transmission line fire monitoring system, the method is of great significance to improving the accuracy of fire monitoring and reducing fire tripping.

The invention relates to a comprehensive prevention and control method for rural power grid distribution line fault. The method comprises the following steps: step 1, analyzing line fault causes, and determining distribution rules of the rural power grid distribution line fault; step 2, managing the shortcomings of the rural power grid distribution lines according to line fault geographical distribution rules; and step 3, upgrading and improving the rural power grid distribution lines according to the line fault geographical distribution rules. The comprehensive prevention and control method, by combining power network planning and related conclusions of power grid development diagnosis, designs a whole set of comprehensive prevention and control method for the distribution line fault of the rural power grid on the basis of analyzing rural power grid distribution line fault causes and investment capacity, for guiding the operation and maintenance of the rural power grid distribution line, effectively preventing distribution line faults and feasibly ensuring reliable operation of the rural power grid distribution line.

The invention discloses a device for reducing an impulse grounding impedance value. The device fro reducing the impulse grounding impedance value comprises a drainage conductor arranged on a tower horizontal grounding electrode. A plurality of shunt conductors are arranged on the periphery of the drainage conductor and are evenly distributed in sequence along the extending direction of an axis of the drainage conductor. During an operation process, the plurality of shunt conductors are welded on the drainage conductor, and therefore an 'end effect' of the grounding electrode is restrained, broken stream is enabled to be more even, middle broken stream capacity of the drainage conductor is fully used, a grounding conductor is used more fully, a whole assembling structure is simple and reliable, the operation process is convenient and easy to carry out, the impulse grounding impedance value can be greatly reduced, a lightning withstand level of a electric transmission and distribution circuit is obviously improved, trip phenomena caused by lightning stroke is reduced, and safe and stable operation of an electric system is endured. The invention further discloses a method which uses the device and used for reducing the impulse grounding impedance value.

Disclosed are an ultra-short bolt wedge load testing clamp and an experimental method applying same. The ultra-short bolt wedge load testing clamp comprises a first main clamp and a second main clamp, wherein the inside of the first main clamp is threadedly provided with a first connector, and the inside of the second main clamp is threadedly provided with a second connector; the stud of a bolt to be detected sequentially penetrates through the countersink and the through hole of the first connector and is screwed into the threaded hole of the second connector, the screw head of the bolt to be detected is clamped into the countersink of the first connector, the first connector is screwed into the first main clamp and the second connector is screwed into the second main clamp to clamp the bolt to be detected onto an experimental machine. According to the ultra-short bolt wedge load testing clamp, the first connector is provided with the countersink with an inclined bottom surface to form a sunk concave structure and accordingly can meet the requirements of wedge load testing of ultra-short bolts. The ultra-short bolt wedge load testing clamp overcomes the restriction led to by the length of the bolts to testing processes, and achieves wedge load testing on bolts of different specification and performance levels through one set of clamp.

The invention relates to an intelligent risk management and control platform and a transmission line hidden trouble management and control method. The intelligent risk management and control platformcomprises an interrelated hidden trouble input urging module, a hidden trouble treatment urging module, a hidden trouble maintenance module, a hidden trouble audit module, a hidden trouble treatment module, a control dynamic module, a hidden trouble evaluation module and a quick vacancy elimination module. The invention adopts the intelligent risk management and control technology to carry out therisk management and control of the transmission line, through hidden trouble maintenance, hidden trouble audit, hidden trouble control, hidden trouble evaluation, hidden danger elimination and otherlinks, the records of eliminating hidden dangers are not standardized, risk of loss, etc, the hidden trouble of transmission line can be precisely managed, thereby improving line inspection quality, shortening line hidden trouble elimination time, better completing localized operation and maintenance work of transmission line, reducing line hidden trouble tripping, improving power supply reliability, improving transmission line condition management level, effectively controlling transmission line inspection and hidden trouble status, enriching monitoring means and reducing work cost.

The invention provides a bird damage preventing method for a composite insulator, which can reduce the possibility of insulator flashover caused by bird damage. The bird damage preventing method is performed according to the following steps: (1) mounting a closed grading ring at the end of the composite insulator, wherein the closed grading ring comprises two semicircular boards, a connecting rod on the semicircular boards is connected through bolts, and the middle part of the connecting rod is provided with a semi-annular snap ring; and (2) mounting an anti-unfirm-closing outer sheath on the composite insulator, wherein the anti-unfirm-closing outer sheath comprises a sheath body with an upper opening and a lower opening; the side opening of the sheath body is provided with a connecting ear; the lower opening of the sheath body is relatively large; the lower inner diameter of the sheath body matches a projection on the composite insulator; an adhesive is coated in the sleeve body in mounting; a screw is used for connecting two connecting ears; and a fastener is used for fixing the anti-unfirm-closing outer sheath on the composite insulator. The bird damage preventing method has advantages of reducing pecking of birds to the insulator, reducing frequency of insulator flashover and line tripping, and realizing relatively easy mounting and updating of a bird damage preventing cover.

The invention discloses an electromagnetic locking device for a ground knife operation hole of a ring network cabinet, which comprises a controller, a voltage sensor electrically connected with the controller through a signal line and a shielding mechanism. The shielding mechanism comprises a driving part and a shielding plate connected with the driving part. Wherein, the voltage sensor is used for detecting the voltage signal of the cable and transmitting the voltage signal to the controller through the signal line, and the controller is used for receiving the voltage signal and judging whether the cable is charged or not according to the voltage signal; And controlling the driving part of the shielding mechanism to drive the shielding plate to move to a preset first position when the cable is charged so that the shielding plate shields the ground knife operation hole of the ring net cabinet, and controlling the driving part of the shielding mechanism to drive the shielding plate to move to a preset second position so that the shielding plate does not shield the ground knife operation hole of the ring net cabinet when the cable is not charged. The implementation of the applicationcan solve the technical problem that the ground knife of the ring network cabinet is misoperated under the condition of being charged.

The invention provides a height limiting signboard for 10KV overhead lines. The signboard comprises a base plate, a light absorbing layer which covers the surface of the base plate, a light reflecting part which is arranged on the surface of the light absorbing layer, and a protecting layer which covers the light absorbing layer and the light reflecting part, wherein the light reflecting part comprises an outer light reflecting frame, and a light reflecting block which is surrounded by the outer light reflecting frame and is of a font shape, or a graph shape, or a combined shape of the font and the graph; the protecting layer is a transparent protecting layer; first hooking parts which are used for hooking on the 10KV overhead lines are arranged at the edge of the top of the base plate; the base plate, the light absorbing layer, the light reflecting part, the protecting layer and the hooking parts are respectively insulators. The signboard can play the role of prompt, the caution for supply lines is realized, accidents that guide lines are touched by vehicles, ships and the like are reduced, and line breaking and rod breaking of the overhead lines are reduced.

The invention relates to a comprehensive energy allocation method and system for a college building group based on multi-energy complementation. The method comprises the following steps: acquiring power output information in different preset areas in real time; counting the occurrence times of different real-time output powers in a preset time; setting the actual output power which appears most frequently as the actual output power in the preset area; calculating the actual output power corresponding to different areas, performing sum value calculation, and setting the sum value as the college output power; comparing the college output power with a preset critical output range; if the college output power is not less than the preset critical output range, starting an auxiliary energy source to supply power until the circuit output information is within the preset critical output range; and if the circuit output information is smaller than the preset critical output range, continuing to access the power grid to obtain the electric energy required by the electric equipment. The technical effect of the invention is that the service life of the electric equipment is prolonged.

An arc fault detection system samples a high frequency signal on a power line sequentially at different frequency regions according to a frequency hopping sequence, wherein the sampling is repeated anumber of times over a predefined period. The different frequency regions include at least one region with a carrier for power line communication on the power line and at least one region without a carrier for power line communication on the power line. The system obtains energy measurements for each frequency region based on the sampled signals, computes an energy level for each frequency regionbased on the measurements for each region, and assigns a binary value to each region according to the corresponding energy level. The binary value represents a presence or absence of signal content inthe frequency region. The system determines a presence or absence of an arc fault based on the binary values for the frequency regions.

The invention relates to the technical field of electric energy meters, in particular to a novel electric energy meter box waterproof cover which improves the sealing effect of an electric energy meter, reduces tripping of a leakage protector, improves the electricity utilization service, reduces the first-aid repair time of first-aid repair personnel and improves the burning rate of the electric energy meter box due to water leakage. Comprising a waterproof cover body, a maintenance door and a door lock, the interior of the waterproof cover body is hollow and is used for installing various split electric energy meters, a maintenance opening is formed in the front end of the waterproof cover body in a penetrating mode, the maintenance door is installed at the maintenance opening in the front end of the waterproof cover body through hinges, the door lock is arranged at the front end of the waterproof cover body, and a lock nose is arranged at the front end of the maintenance door. The door lock is used for being matched with the lock nose to seal and lock the maintenance door.