378 results about "Line Break" patented technology

A convenience kit assembled and organized to measure, fill and dispense medication and flush solutions to patients through connections to patient lines and catheters while improving safety and efficacy of such procedures by requiring fewer post-sterilization makes and breaks when compared to similar filling and dispensing methods using conventional components. Further the kit improves flush compliance by facilitating dispensing of flush solutions and decreases likelihood of infections by providing for flushing of patient lines and catheter connecting fittings without any additional line breaks. The kit is provided in resealable, tamper evident kit packaging which permits sealed transport of kit parts after initial opening and follow-on parts use. Convenience of operation is provided by a two syringe assembly which is operable by a single hand by which selective dispensing is accomplished from either of the two syringes while obstructing flow from the other syringe. The kit comprises a clip for the stabilizing the two syringe assembly for use by a single hand.

A convenience kit assembled and organized to measure, fill and dispense medication and flush solutions to patients through connections to patient lines and catheters while improving safety and efficacy of such procedures by requiring fewer post-sterilization makes and breaks when compared to similar filling and dispensing methods using conventional components. Further the kit improves flush compliance by facilitating dispensing of flush solutions and decreases likelihood of infections by providing for flushing of patient lines and catheter connecting fittings without any additional line breaks. The kit is provided in resealable, tamper evident kit packaging which permits sealed transport of kit parts after initial opening and follow-on parts use. Convenience of operation is provided by a two syringe assembly which is operable by a single hand by which selective dispensing is accomplished from either of the two syringes while obstructing flow from the other syringe. The kit comprises a clip for the stabilizing the two syringe assembly for use by a single hand.

Method, system, and computer code for preparing markup language documents containing multi-line text elements for WYSIWYG printing. The document is rendered in a prepress server system by a duplicate of the browser that was used to prepare the document in the client system. User-imposed line breaks are identified by reviewing text elements for break characters. Browser-imposed line breaks are identified by comparing spatial location information from the browser for each sequential pair of characters in a text element. The collective line break information is used to ensure that the line breaks viewed by the user are maintained when the document is converted to a prepress system.

A convenience kit which provides a basic configuration for use in measuring, filling and dispensing medication and flush solutions to IV sets and patient catheters through needleless connectors while improving safety and efficacy by requiring fewer post-sterilization makes and breaks compared to conventional filling and dispensing methods. Further, the kit improves flush compliance by facilitating dispensing of flush solutions and decreases likelihood of infections by providing for flushing of patient lines and catheter connecting fittings without line breaks. Convenience of operation is provided by a two-syringe assembly which is operable by a single hand for selective dispensing accomplished from either of the two syringes while obstructing flow from the other syringe. The kit comprises a clip for stabilizing the two syringe assembly.

The invention relates to a method of a boundary element utilizing polar wave S transform energy ratio to determine ultra high-voltage (UHV) direct current (DC) transmission line faults, belonging to the technical field of power system relay protection. The method is as follows: a starting element is started when a DC line breaks down, the polar wave voltages of the positive and negative lines are calculated according to dipolar DC voltages and DC currents measured at a protective installation part; a discrete polar wave voltage signal the sampling sequence length of which is 200 after faults is subjected to S transform, the transform result is a 101*200 time-frequency complex matrix, and mode operation is carried out on each element in the complex matrix. High-frequency component and low-frequency component of the polar wave voltage are extracted according to the obtained modular matrix, and then the ratio of the high-frequency energy to the low-frequency energy of the polar wave voltage is figured out; and whether the fault is interior or exterior is distinguished according to the value of the ratio of the high-frequency energy to the low-frequency energy. A large number of simulation results show that the invention has good effect.

The invention discloses a method and a system for preventing applied accidental parking brake on a railway train, and aims at solving the problems of the prior art that the applied accidental parking brake causes wheel rubbing and the like. The system for preventing applied accidental parking brake on the railway train comprises a control module, a speed sensor, a pressure sensor and a parking brake train-line breaking control circuit, wherein the parking brake train-line breaking control circuit consists of a first relay and a second relay, the input end of the first relay is connected with the control module, the output end of the first relay is connected in series with input end of the second relay and a parked train line state detection circuit, the output end of the second relay is connected with an emergent exhaust valve; and the control module is connected with a cab display, and controls the input end of the first relay to act according to the set values of the speed sensor and the pressure sensor and the state of the parked train line state detection circuit. The invention can detect the parking brake state, and prevent the situations that under the condition that a parking brake device is broken or a driver is mistakenly operated and the like, the parking brake is not released and the train is started for running and causes the accidents of wheel rubbing and the like.

The invention relates to a resonant grounding system fault line selection method with clustering achieved by means of time-frequency matrix singular values. The resonant grounding system fault line selection method comprises the steps that empirical mode decomposition is carried out on the transient-state zero-sequence current waveform of each circuit and the transient-state zero-sequence current waveform of a bus after a fault occurs to obtain a plurality of IMF components; Hilbert conversion is carried out on the IMF components to obtain a two-dimensional Hilbert gray-scale time-frequency spectrogram of transient-state zero-sequence currents; a time-frequency matrix of the transient-state zero-sequence current waveforms is constructed by means of HHT band-pass filtering; singular value decomposition is carried out on the time-frequency matrix to obtain a series of singular values which can reflect time-frequency characteristics of the waveforms, and the singular values serve as the characteristic quantity of transient-state zero-sequence currents of each circuit and the bus; vague C mean value clustering is carried out on the singular values to select a fault line. According to the resonant grounding system fault line selection method, influence of distributed capacitance and currents of a sound long line is avoided when a short line breaks down, and accurate line selection can be achieved under the conditions of high resistance grounding, noise interference, arc faults and the like.

The invention discloses a power distribution network high voltage line single-phase line-breaking fault identification system and method based on electric energy metering device. The power distribution network high voltage line single-phase line-breaking fault identification method comprises steps of using voltage phasor data of a two-phase line which is two-element electric energy metering device which performs high-voltage supply high-voltage metering to realize an identification function on a single-phase line-breaking fault of a 10kV power distribution line, using three-phase phase voltage phasor data measured by a high-voltage supply and low-voltage metering three-phase four-line system electric energy metering device to realize an identification function on the 10kV power distribution line single-phase line-breaking fault. In the power distribution network high voltage line single-phase line-breaking fault identification method and the application, massive electric energy metering devices having functions of single-phase line-breaking fault identification are installed, the electric energy metering devices upload the voltage phasor data and the single-phase line-breaking determination result to a remote main station for analysis, and a single-phase line-breaking fault interval of the 10kV power distribution network can be positioned according to a relative relation of installation positions.

In an embodiment, a fixed line trimmer head is configured such that the trimmer head is not loaded or unloaded from the bottom. In an embodiment, the trimmer head is loaded from the periphery and unloaded from the top.In and embodiment, the trimmer head may include a gripping mechanism that is located near enough to the center of the trimmer head such that if the trimmer line breaks, the trimmer head does not become imbalanced to the point of vibrating.In an embodiment, a spacer is located below the trimmer head. In an embodiment, the spacer has a socket that is contoured to mate with a bolt head. The bolt is inserted into the socket, and through a hole at the bottom of the socket. As a result of the contoured socket, the spacer may be used instead of a wrench to screw the bolt to trimmer head.

Method, system, and computer code for preparing markup language documents containing multi-line text elements for WYSIWYG printing. The document is rendered in a prepress server system by a duplicate of the browser that was used to prepare the document in the client system. User-imposed line breaks are identified by reviewing text elements for break characters. Browser-imposed line breaks are identified by comparing spatial location information from the browser for each sequential pair of characters in a text element. The collective line break information is used to ensure that the line breaks viewed by the user are maintained when the document is converted to a prepress system.

A unitary concrete structure pumping station useful in pumping waste fluids and the like during the passing of such materials from one part of a gravity flow waste system to another. This concrete structure is simple to install and use and many of the problems associated with conventional pumping stations are alleviated. The structure is comprised of several parts that can be made pre-assembled at the factory or assembled in the field prior to installation. By being a unitary structure this pumping station is resistant to movements within the earth and therefore less likely to incur line breaks.

The present invention disclosed herein is an electric leak breaker for self-test. The electric leak breaker for self-test comprises power supply lines for connecting a power source supply with a load; a zero-phase current transformer installed on the power supply lines and for sensing a current difference between the power supply lines; a leakage current detecting unit connected to the zero-phase current transformer for detecting whether a leakage current occurs to generate a detection signal; a driving unit for making the power supply lines broken when a critical voltage or a voltage higher than the critical voltage is provided; and a self-test unit for periodically inducing the leakage current at the power supply lines to test whether the leakage detecting unit is normally operating, and for providing a lower voltage than the critical voltage to the driving unit to test whether the driving unit is normally operating in a self-test operation. According to the present invention, it is possible to periodically test the electric leak breaker as well as to overcome an inconvenience to push a reset button.

The invention relates to an electric power system line weakness evaluation system and method based on multi-attribute analysis. The system comprises an EMS information obtaining module, a line topology importance degree calculation module, a line correlation coefficient calculation module, an economic loss calculation module, a hidden failure rate calculation module, a line integral weakness calculation module and a weak line screening module. The method comprises the following steps of obtaining trend information and historical information of each line in an electric power system; obtaining the topology importance degree index of each line, the correlation coefficient index of each line, the hidden fault rate index of each line and the economic loss index of each line due to line breaking according to the trend information and the historical information of the line; building an integral weakness index function; performing calculation by using the topology importance degree index, the correlation coefficient index, the economic loss index and the hidden fault rate index of the line as input data of the integral weakness index function to obtain the integral weakness index of each line; and obtaining the weak line in the electric power system through setting the critical weakness index.

The invention relates to a measuring device, in particular a temperature measuring transducer, comprising an electrical resistor, which alters its value based on a chemical or physical variable that is to be measured and which is connected to an evaluation device via at least three lines. Said evaluation device checks the lines for line breaks and if such a break has occurred, switches from a four-wire circuit to a three- or two-wire circuit as required, in order to permit the continuation of the measuring operation. This improves the reliability of the measuring device.

A 10kV power distribution circuit insulation tower head is disclosed, which is characterized in that: adopting hydrophobic high-strength insulation bar to be assembled with needle-typed insulator by gold tool and form an insulation tower head entity, or adopting hydrophobic high-strength insulation bar to be assembled with gold tool directly and form an insulation tower head. By using the invention, the insulation level of the power distribution circuit can be greatly improved, the thunder discharge air gap can be obviously enlarged, the lightning stroke and line break accidents can be effectively prevented and the climbing distance can be expanded, further, the structure type is easy to improve self-cleaning ability and the occurrence of pollution flashover can be basically and completely precluded, which is beneficial in charged operation, simple in operation process and improves the operation security.

The invention provides a closed-loop power distribution network system based on a flexible direct current. The system comprises N direct current buses and N direct current transmission lines, and each direct current bus is connected with the direct current transmission lines at intervals to form a closed-loop power distribution network; each direct current bus is connected with at least one alternating current system rectifier station so as to rectify electric energy of the alternating current system to direct current electric energy, and the direct current electric energy is gathered into a closed-loop power distribution network system of the flexible direct current; at least one alternating current system rectifier station is used as a regulator station to control and regulate direct current voltage; each direct current bus is connected with M user inverter stations which can invert the direct current electric energy to the alternating current electric energy to provide for users; and each direct current transmission line is provided with K direct current switches, and when the direct current transformation lines break down, the switches are used for tripping to isolate fault points. According to the closed-loop power distribution network system based on the flexible direct current, the support can be provided for voltage stability, the voltage quality is improved, and a good environment can be created for the medium voltage distribution network system improvement.

The invention discloses a voltage sampling device capable of judging sampling line breakage of a battery pack, which comprises an isolation gating module, a signal processing module, an analog-digital (AD) conversion module and a control module, wherein the isolation gating module comprises n+1 gating switches, n is the number of sections of a single battery; a control end of each gating switch is electrically connected with the control module; sampling lines of the battery pack along a direction from the first section of the single battery to the nth section of the single battery are correspondingly connected with one end of each of the n+1 switches in sequence; the other ends of the odd sections of the switches are connected with one another to form a first node A; the other ends of the even sections of the switches are connected with one another to form a second node B; the first node A is connected with the signal processing module via a first sampling signal line; and the second node B is connected with the signal processing module via a second sampling signal line. Through the technical scheme, whether the sampling line is abnormal can be rapidly determined, the time for acquiring battery pack information is effectively shortened, and the use safety of the battery pack is effectively improved.

The “Idiom Identifier” converts an original text document to a “neutral” form containing no punctuation, no capital letters, and having only a single space between each word. Neutral form text also removes hidden markup such as line breaks, paragraph breaks or page breaks. The Idiom Identifier performs an enhanced text search to locate idioms listed in a library file. The Idiom Identifier marks each identified idiom in a marked-up copy of the original text document. A reader can click on the marked-up idiom to see a definition of the idiom.

The present invention discloses an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate and organic light-emitting elements, wherein, the substrate comprises a substrate, a first metal layer, a second metal layer and a third metal layer; a plurality of drive signal lines extended in a first direction andconfigured to drive the organic light-emitting elements and located at least one layer in the three metal layers, wherein the drive signal lines comprise first drive signal lines and second drive signal lines, in the first direction, the number of the organic light-emitting elements driven by the first drive signal lines is larger than the number of the organic light-emitting elements driven by the second drive signal lines; and a plurality of compensation capacitors, wherein at least one second drive signal line is connected with the compensation capacitors, each compensation capacitor comprises one first pole wiring and a second pole wiring, each first pole wiring is located at the first metal layer, the second pole wiring is located at the second metal layer, and the line width of the first pole wiring is larger than the line width of the second pole wiring. The line breaking risk of the compensation capacitors is reduced.

An intelligent power distribution switch control circuit fault detection circuit comprises a power distribution switch operational power supply module and further comprises a voltage output detection circuit, a return circuit line break detection circuit and a main control unit (MCU), wherein the voltage output detection circuit is used for being connected with a voltage output end of a power distribution switch control circuit, collecting real-time voltage change signals output by the power distribution switch control circuit, and transmitting the real-time voltage change signals to the MCU; the return circuit line break detection circuit is used for collecting real-time current change signals of a control return circuit formed by the power distribution switch control circuit and a power distribution switch body, and transmitting the real-time current change signals to the MCU; the MCU is used for receiving signals transmitted by the voltage output detection circuit and the return circuit line break detection circuit and receiving signals of each contact of the power distribution switch body, judging working conditions of the control return circuit, sending control signals to the power distribution switch control circuit according to the working conditions of the control return circuit, and sending working condition signals to a primary station in a long distance, so that judge of fault category is achieved. The invention further comprises a detection method.

The invention discloses a multiwire cutting machine dedicated to LEDs (light emitted diode), solving the problems that the hardness of sapphire and silicon carbide is high, and the cutting of the common multiwire cutting machine is difficult. The cutting machine comprises a workbench, and a swing plate arranged at one side of the workbench, wherein the swing plate driven by a motor is provided with a plurality of processing rollers which are wound with one metal cutting line; one end of the metal cutting line is wound on a wire winding wheel, and the other end thereof is wound on a despooling wheel through the guidance of a plurality of wire guide wheels; and the wire winding wheel and the despooling wheel are driven by a winding and despooling wheel motor. The multiwire cutting machine has high control precision, low line broken rate, and stable and reliable operation, and is especially suitable for cutting the high-hardness materials, such as the sapphire, the silicon carbide and the like.

The invention discloses a text-type attribute-based relational database watermark embedding method, belongs to the technical field of database security, and relates to a text-type attribute-based relational database watermark embedding and extracting method. The method comprises the following steps of: designing a database watermark mechanism for embedding a watermark in a text-type attribute; and realizing the database watermark mechanism. In the method, binary states of a watermark code element are respectively mapped as a carriage return and a line break aiming at the characteristics of the text-type attribute; and the carriage return and the line break are taken as watermark embedded text attribute values. The watermark has no influence on the original appearance, the semantics and the availability of data; and the watermark extraction does not need an original database. The method is suitable for a text-type attribute-containing database, and has no limit to the number of the words of the text-type attribute. The method has immunity to tuple addition, attribute addition and attribute reordering attack, can effectively resist the tuple modification, the tuple deletion and the attribute deletion attack, and can be used for the protection of a relational database.

The invention relates to metal wire processing equipment, in particular to a numerical control coil machine and a method for continuously processing a coil by using the same. According to the numerical control coil machine provided by the invention, a wire feeding mechanism can automatically feed a wire and align the wire, so that the metal wire is effectively aligned and is kept in a straight line; a wire feeder can automatically feed and withdraw the metal wire; a stop device is used for preventing the metal wire from moving without control in the machining process; a required spiral ring-shaped structure can be processed on the metal wire by a winding shaft and a spiral turn number and a spiral rotating angle which are required by the spiral ring-shaped structure can be obtained; two straight line break angles can be processed on the metal wire by matching of a positioning pillar and a bent head, so that the metal wire can obtain a required random shape; a wire cutting seat is used for carrying out cut-off separation on the processed metal wire; and when the numerical control coil machine is matched with a numerical control device, automation control on processing of the coil can be implemented, labor is reduced and working efficiency and accuracy of the coil processing are improved.

A method and a file format transformation system (FFTS) for transforming marked-up content in a first file format (FFF) to a second file format (SFF) that enables automated browser based pagination are provided. The FFTS reflows marked-up content of the FFF into a continuous page. The FFTS generates and appends tags to spaces and block elements identified in the reflown marked-up content of the FFF. For each space and block element, the FFTS determines and tags line breaks in the reflown marked-up content. For each line break, the FFTS identifies, tags, and positions anchored floats and footnotes on a current page based on space availability. The FFTS positions page breaks in the continuous page based on a configurable page height and the line breaks. The FFTS groups the marked-up content, inserts pagination elements and renders the grouped marked-up content in the SFF based on a selected level of reversibility.

The invention discloses a method for judging a commutation failure caused by coupling of multi-circuit direct-current transmission lines erected on the same tower in parallel. The current coupling coefficient K between the lines is calculated; the maximum commutation time area Bmas which an alternate-current power grid can supply is calculated; the maximum break variable current deltaIf.max of a fault pole inversion side generated when a polar line breaks down is calculated; the commutation area A needed by successful commutation of a non-fault pole is calculated; the A and the Bmax are compared, and if A>Bmax, the commutation failure of the non-fault pole is possibly caused by the coupling of the multi-circuit direct-current transmission lines erected on the same tower in parallel. According to the method, the relation of the change of direct currents and the commutation failure in the commutation transient process is analyzed based on a commutation voltage time area theory, the maximum commutation time area criterion for judging whether the commutation failure caused by the coupling of the multi-circuit direct-current transmission lines erected on the same tower in parallel or not is built by combining the derived current coupling coefficient between the multi-circuit direct-current transmission system lines erected on the same tower in parallel, and the method is simple and can fast and effectively carry out judgment.

The invention relates to the technical field of wiring devices, in particular to a power distribution network electrified automatic wiring tool set and a robot. The automatic wiring tool set comprisesa frame body, a clamping mechanism, a wire clamp tightening mechanism, main line fixing mechanisms, a branch line fixing mechanism, a line breaking mechanism, a controller and induction mechanisms, wherein the clamping mechanism is fixedly arranged on the frame body and is used for clamping a wiring mechanism and has a clamping end for clamping the wiring mechanism; the wire clamp tightening mechanism is arranged on a supporting frame corresponding to the clamping mechanism, and is used for driving the wiring mechanism to act to enable main lines and a branch line to be connected; the main line fixing mechanisms and a branch line fixing mechanism are arranged on the frame body corresponding to the wiring mechanism separately and are used for fixing the main lines and the branch line; theline breaking mechanism is arranged on the frame body corresponding to the wiring mechanism, and is used for cutting off redundant branch lines; the controller is connected with driving mechanisms onthe clamping mechanism, the wire clamp tightening mechanism, the main line fixing mechanisms, the branch line fixing mechanism and the line breaking mechanism separately; by controlling the driving mechanisms, the actions of the clamping mechanism, the wire clamp tightening mechanism, the main line fixing mechanisms and the branch line fixing mechanism can be controlled; and the induction mechanisms are in signal connection with the controller.

The invention discloses a line breaking detection method for a servo motor power line. An alternating current servo driver is provided, the alternating current servo driver comprises a motor closed-loop control circuit, a phase current instruction calculating unit and a line breaking detection logical unit. The phase current instruction calculating unit feds a three-phase feedback current and a three-phase current instruction into the line breaking detection logical unit according to a torque current instruction in the motor closed-loop control circuit, a line breaking logical judgment strategy is configured in the line breaking detection logical unit, and line breaking judgment is conducted through the line breaking logical judgment strategy. By means of the line breaking detection method for the servo motor power line, phase currents can be judged directly, when large deviation exists between the torque current instruction and a practical torque current and the output target torque is smaller than a detection threshold value in a torque mode, more than two broken lines in the three-phase power line can also be accurately recognized, the comparative result of the phase current instruction and the feedback phase current in each period can be filtered, and thus false alarming cannot happen.

This invention relates to a method for character typesetting alignment of a handheld equipment. This method applies a basic character unit analyzer and two core modules (line broken module and blank distributing module). The line broken module uses character unit analyzer to decide at what position then character flow can be cut off and the blank distribution module applies prioirty way based on character unit analyzer to allocate blanks between characters in a line to guarantee both ends of line in alignment with right and left edges are resonable allocation of blanks between characters.

A battery block is provided with: a plurality of cylindrical batteries of each of which the two ends are formed as positive and negative electrodes; and a lead plate which is connected to the electrodes of the cylindrical batteries. The cylindrical batteries are provided with battery cans having bottom plates provided with bottom surface electrodes and exhaust valves. The exhaust valves which are provided in the bottom plates open as a result of thin-walled lines breaking at a threshold pressure. The exhaust valves are provided inside the loop-shaped thin-walled lines provided in the bottom plates, said thin-walled lines having unconnected portions. The unconnected portions form hinge parts. Furthermore, the bottom surface electrodes provided in the bottom plates connect the lead plate to the hinge parts. The lead plate has cut-out portions provided in positions facing areas including the thin-walled lines.

The invention relates to a method for protecting a relay in a electric system field. The invention discloses a method for applying a third harmonic to detect line breaking in a midline of a TV in a device for protecting an electric system. The method mainly includes the following steps: under the condition without starting, Fourier algorithm is used for obtaining a UA, a UB, a UC and a third harmonic of a self-generated 3U0; when the third harmonic of any voltage is larger than 4V for 30s successively, the device for protection gives an alarm and not locks the tripping function for protectionin a short circuit. The three harmonic detected by the self-generated 3U0 is more sensitive. Through practice, the invention is capable of determining the line breaking condition of the midline timely and accurately.