32 results about "Damage sensing" patented technology

A damage sensing system, and a method of sensing damage using the system, are described. The system comprises: a plurality of tuned circuits arranged in parallel, each tuned circuit having a different resonant frequency; and processing means for discriminating the response of the different tuned circuits according to their respective different resonant frequencies, for example by processing changes in the respective Q-factors of the respective tuned circuits; wherein each of the plurality of tuned circuits comprises a respective damage sensor, each damage sensor comprising at least one direct write resistive element applied to an area of a substrate by a direct write process. Each tuned circuit may comprise a common resistor in series with the respective damage sensor. The plurality of the tuned circuits may be coupled to the processing means by a shared single pair of external connections.

The present invention relates to an electronic paper panel, an electronic shelf label system and a method for driving the same. The electronic paper panel includes a substrate formed thereon a wiring pattern and a damage sensing pattern, an insulating layer formed on the wiring pattern, a segment electrode formed on the insulating layer and electrically connected to the wiring pattern and a driving chip mounted on the substrate.

The invention provides an active and passive waveguide monitoring bridge cable damage sensing device which comprises a hoop, and the diameter of the hoop is matched with that of a bridge cable; five first notch grooves are formed along the axial direction of the hoop; an upper hoop body and a lower hoop body are respectively provided with two second notch grooves along the circumferential direction; one sides of the upper hoop body and the lower hoop body are respectively provided with a cable slot, and the lengths of the cable slots are equal to that of the hoop; each notch groove is provided with twenty piezoelectric ceramic sensors; a signal transmission line is welded on the upper surface of each piezoelectric ceramic sensor; the signal transmission lines are wired along the cable slots and are high-shielding coaxial cables; an insulating layer is arranged on the surface of the sensing device; an electromagnetic shielding layer is arranged on the surface of the insulating layer. The invention also provides a monitoring method of the active and passive waveguide monitoring bridge cable damage sensing device. After the sensing device of active and passive waveguide monitoring bridge cable damage is used, the bridge cable damage data can be well acquired, and the non-destructive detection for the cable data of a whole bridge can be realized.

The invention relates to a real-time damage sensing and early-warning system for a pressure container. The system comprises a signal generating unit, a signal exciting terminal, a signal receiving terminal, a matrix switch, a signal display unit and a computer, and each of the signal exciting terminal and the signal receiving terminal comprises a ceramic piezoelectric plate array; and the signal generating unit generates a first electric signal, the first electric signal goes through the matrix switch and is converted to a pressure signal by the signal exciting terminal, the pressure signal goes through the pressure container, is received by the corresponding signal receiving terminal and is converted into a second electric signal, the signal display unit receives the second electric signal through the matrix switch, displays the second electric signal and transmits the electric signal to the computer, and the computer realizes the state monitoring of the pressure container according to the second electric signal. Compared with systems in the prior art, the system solves the problem of difficulty in real-time sensing and early-warning of guided wave-based pressure container damages, and can timely and effectively avoid the catastrophic damages of the pressure container.

The invention discloses a method and device for restoring a sensing signal line and a display device. The method comprises the steps of judging whether the sensing signal line is damaged or not; if the sensing signal line is damaged, positioning the sensing signal line to acquire the damage position of the sensing signal line and restoring the sensing signal line. According to the method, the damaged sensing line can be positioned so as to perform restoration, so that the restored sensing line is enabled to acquire normal OLED sensing data, thus normal operations of an OLED compensation circuit are maintained, and the display stability of an OLED panel is improved.

An equipment-monitoring system having a resistive sensor designed for two- or four-terminal sensing of damage thereto caused by an environmental exposure. In an example embodiment, the resistive sensor comprises a sense resistor susceptible to the environmental exposure and a reference resistor protected from the environmental exposure, the sense and reference resistors being internally connected to four terminals of the sensor in a manner that enables external bridge-type measurements of the electrical resistance of the sense resistor. In some embodiments, the sense resistor comprises a relatively large number of flat metal stripes connected in parallel to one another between two of the four terminals, which advantageously provides an extended dynamic range of the damage detectable with the corresponding sensor and improves the sensor reliability. In various embodiments, the disclosed resistive sensors can be used to monitor damage to electrical circuits and/or critical structural elements of the corresponding equipment.

The invention relates to an automatic diagnostic device and diagnostic method of a long-distance magnetic array position sensing system. The automatic diagnostic device comprises a plurality of sections of circuit boards, namely a first section of circuit board, a second section of circuit board,..., and an Nth section of circuit board, which are connected head to tail by a fixing device, wherein the first section of circuit board or the Nth section of circuit board is fixed with a main control circuit board through the fixing device; the main control circuit board is provided with a main control unit; the first section of circuit board, the second section of circuit,..., and the Nth section of circuit board are respectively provided with a first diagnosis circuit, a second diagnosis circuit,..., and an Nth diagnosis circuit; and the first diagnosis circuit, the second diagnosis circuit,..., and the Nth diagnosis circuit are simultaneously connected with a main control system. The device and the method provided by the invention have the following advantages: the design cost is reduced, the interference is reduced, the system stability is improved, and a shift register cascade is used for the long-distance expansion to realize no restrictions on the measuring distance theoretically; and in addition, the system can be ensured to work in the case of individual damaged sensing element and obviously improve the power-on reliability of the long-distance scanning of the system.

The invention discloses monitoring wearable equipment applicable to prisoners. The monitoring wearable equipment comprises an equipment body, wherein the equipment body is connected with a wearable assembly; a containing space is formed in the equipment body; a control circuit panel is arranged in the containing space; an RFID (Radio Frequency Identification) assembly, a GPS (Global Positioning System) assembly, an energy supply assembly and a warning assembly are mounted on the control circuit board; a damage sensing assembly is arranged in the wearable assembly; the damage sensing assembly is connected with the control circuit board. Therefore, the RFID assembly is adopted to realize regional authority monitoring of a wearer to realize reference for separate supervision of personnel without one-by-one identification on the site. Due to the GPS assembly, an implementation position of the wearer can be monitored to realize advanced prevention, and abnormal gathering or single staying of personnel is prevented. Through the adoption of the independent damage sensing assembly, warning can be realized in case of damage. The monitoring wearable equipment has various different local andremote warning modes, and can check and search wearers in time in case of an abnormality.

The invention discloses a crack monitoring sensor based on plasma spraying, and a preparation and monitoring method thereof. The crack monitoring sensor adopts a functionally graded mosaic membrane structure integrating an insulation base layer, a damage sensing element and a packaging protection layer on the surface of a target monitoring structure with an arbitrary shape through a plasma spraying process, and the shape of the crack monitoring sensor is matched with the shape of a crack monitoring part. The damage sensing element adopts a multi-ring sensing element structure, the centers of the rings are overlapped, and adjacent rings are arranged at equal intervals, and each ring is provided with an output voltage lead. A stabilized power source is externally connected to the two ends ofa crack surface through the output voltage lead of the damage sensing element, then potential difference between the two ends of the crack surface of the target monitoring structure is measured, thecrack length of the target monitoring structure is determined through the functional relationship between the crack length and the potential difference of the target monitoring structure, and crack monitoring to dangerous parts with any shapes can be achieved.

A smart tine assembly includes: a tine configured to aerate turf; and a damage sensing system configured to: sense when the tine is damaged, and generate a damaged tine signal.

The invention relates to a carrier glass arraying device with a damage sensing function and an arraying method, and belongs to the technical field of OLED carrier glass post-processing. The device comprises a belt conveyor, an arraying auxiliary mechanism and a positioning sensing device, the arraying auxiliary mechanism is movably installed below the belt conveyor, the positioning sensing device is installed on the side of the belt conveyor, and the arraying auxiliary mechanism comprises an air cylinder installed on a support and an arraying frame controlled through lifting of the air cylinder; the positioning sensing device comprises a servo motor installed on the support and a sensing swing arm controlled through swing of the servo motor. The plate carrying glass is lifted to the position above the belt interval gap through the whole-column frame driven by the air cylinder; and the torque applied to the side edge by the polyurethane wheel is greater than the torque applied to the carrier plate glass by the top brush. The invention provides a method and a device capable of effectively reducing the alignment resistance, reducing the damage and sensing the damage in the alignment process for alignment positioning of the carrier glass, so that the operation reliability of a production line is improved.

Embodiments of the present invention include a system and method for detecting or sensing damage within a target material, as well as related devices. In some embodiments, a damage sensing system including a target material, an optical fiber embedded into the target material, where the optical fiber has an outer surface running the length of the optical fiber, a photosensitive receiver, and a triboluminescent coating coated on the optical fiber.

The invention provides an equipment damage sensing method and device and a storage medium, and belongs to the technical field of safety engineering and information. The damage sensing method comprises the following steps: establishing an equipment model for simulating the equipment, and configuring process data, accident data and environment data of the equipment in the equipment model; when any one or more pieces of equipment cause an accident phenomenon through the respective equipment model, establishing an accident model for simulating the accident phenomenon caused by the equipment model; acquiring disaster field data generated by triggering the accident model to perform accident phenomenon simulation; and acquiring the damage condition of the corresponding disaster field to the equipment according to the disaster field data. According to the invention, disaster field calculation is carried out according to the accident phenomenon simulated by the accident model, so that the equipment can sense the damage of the disaster field, thereby well demonstrating the'accident domino 'phenomenon, perfecting the elements of safety simulation, and improving the safety and stability of the operation of the euqipmemt.

The invention provides a modular cable trench system with an external damage sensing function, which comprises a cable trench body, a sensor and a monitoring center, and the cable trench body is usedfor placing a cable, and the sensor is used for acquiring pressure data of a specified area around the cable trench body and transmitting the pressure data to the monitoring center; and the monitoringcenter is used for judging whether the cable trench body has the risk of being damaged or not according to the pressure data, and if so, an alarm is sent to a worker of the monitoring center. The sensors are arranged around the modular cable trench to obtain the pressure data of the designated area, and the monitoring center judges whether the cable trench has the risk of being damaged or not according to the pressure data, so that the risk hidden danger of the modular cable trench can be found in time; and the modular cable trench is prevented from being damaged by overlarge pressure for a long time.

The invention discloses a communication equipment anti-theft alarm system comprising a damage sensing unit, a position locating unit, a central processing unit and an alarm unit. The damage sensing unit senses the abnormal operation or abnormal startup of communication equipment, and sends a signal to the central processing unit and the position locating unit. The position locating unit analyzes the signal sent by the damage sensing unit, and determines the specific position coordinates of the damaged position. The central processing unit receives the signal of the damage sensing unit and theposition coordinates, and sends an alarm instruction and the position information to the alarm unit. The alarm unit sends an alarm signal indicating that the equipment is started abnormally. When communication equipment is damaged artificially, the device can automatically send out a variety of alarm signals and accurately locate the damaged position, and the device can send the alarm informationto a predetermined mobile phone to inform the person in charge. The device has a simple and reasonable structure, and can be widely applied to all kinds of communication equipment.

The invention discloses an engineering machine burglar alarm device comprising a damage-sensing unit, a central processing unit, and an alarm unit. The damage-sensing unit senses abnormal start of an engineering machine and sends a signal to the central processing unit. The central processing unit receives the signal from the damage-sensing unit and sends an alarm instruction to the alarm unit. The alarm unit gives an alarm signal indicating that a vehicle is started abnormally. The engineering machine burglar alarm device may automatically give various alarm signals when the engineering machine suffers from man-made damage in order to draw people's attention. In the case that nobody is located nearby, the engineering machine burglar alarm device may send alarm information to a predetermined cell phone to notify a worker in charge. The engineering machine burglar alarm device is simple and reasonable in structure and can be widely used in various engineering machines.

The invention discloses an anti-theft alarm system of communication equipment. The anti-theft alarm system comprises the components of a damage sensing unit, a positioning unit, a central processing unit and an alarm unit. The damage sensing unit senses abnormal operation or abnormal starting of the communication equipment and transmits a signal to the central processing unit and the positioning unit. The positioning unit performs analysis on the signal which is transmitted from the damage sensing unit and determines the specific position coordinate of a damaged portion. The central processing unit receives the signal and the position coordinate of the damage sensing unit and transmits an alarm instruction and position information to the alarm unit. The alarm unit transmits an alarm signal that abnormal starting of the equipment occurs. The anti-theft alarm system can automatically transmit a plurality of kinds of alarm signals when man-made damage of the communication equipment occurs and performs accurate positioning. The anti-theft alarm device further can transmit alarm information to a preset mobile phone, thereby notifying a person in charge. The anti-theft alarm system has a simple and reasonable structure and furthermore can be widely used on various kinds of communication equipment.