243 results about "Terminal unit" patented technology

In some embodiments, a fiber optic cable may be monitored while reducing false positives from disturbances in trusted areas. In some embodiments, a system includes a light source, a first remote termination unit in a trusted area, and a second remote termination unit in another trusted area. The light source emits light through the fiber optic cable, which passes through the first remote termination unit, an untrusted area, and then the second remote termination unit. The remote termination units reflect portions of the light back towards the light source. The system uses a prediction model to detect disturbances in the untrusted area based on the reflected light data.

The invention provides an FTU-DTU cooperative power distribution terminal recording data uploading method and system, and the system comprises a feeder terminal unit which is used for collecting feeder electrical quantity data, generating a recording file when a fault is detected, and transmitting the recording file to a data transmission unit; and the data transmission unit is used for receiving the wave recording file, compressing the wave recording file, adaptively selecting a communication protocol according to a real-time network state, and uploading the compressed wave recording file to a master station system.

The present specification relates to a coil module and a home appliance including the same. A home appliance according to one embodiment of the present invention may comprise: a coil module comprising a plurality of first coil units stacked in a vertical direction and comprising a plurality of working coils, and a plurality of second coil units stacked in the vertical direction, a plurality of second coil units including a plurality of sensing coils and a wiring pattern electrically connecting the terminal unit with the working coil or the terminal unit with the sensing coils, and arranged in a different layer from the plurality of first coil units; and a control unit that performs container detection by using the sensing coil, and controls driving of the working coil in accordance with a result of the container detection.

The invention belongs to the technical field of power distribution network short-circuit current calculation, and discloses an active power distribution network non-measurement branch short-circuit current aggregation estimation method, system and device and a medium, and the method comprises the steps: selecting a feeder terminal unit as a boundary of a non-measurement branch short-circuit current aggregation estimation range; voltage and current data are measured in real time through the feeder terminal unit, and fault detection is carried out on the measured voltage and current data; if the fault is detected, the positive sequence voltage phasor and the positive sequence current phasor before and after the fault are calculated and uploaded to the power distribution main station; and calculating an aggregation position coefficient, a pseudo equivalent impedance and a real equivalent impedance of the measurement-free branch, and estimating a short-circuit current aggregation value of the measurement-free branch. According to the method, the short-circuit current aggregation value of all the non-measurement branches can be estimated through the data of the two measurement points in the main line, and the investment cost of the short-circuit current calculation of the active power distribution network is reduced.

The invention relates to the technical field of satellite navigation and positioning, in particular to an intelligent dynamic compaction system and method based on Beidou precise positioning, and the system comprises a Beidou high-precision positioning unit, a multi-source parameter synchronous sensing unit, an intelligent interaction display control terminal unit, a digital twin cloud platform unit, and an intelligent decision and control unit. According to the invention, high-reliability and millisecond-level fusion acquisition of construction parameters is realized through two-way redundancy sensing and PTP hardware synchronization, high-quality data support is provided for accurate decision making, multi-role efficient monitoring and abnormity early warning are realized by means of environment adaptive interaction and AR visualization technology, the field operation and supervision efficiency is improved, and the system has good application prospects. Based on digital twinning simulation and deep reinforcement learning, autonomous optimization and accurate control of tamping parameters are realized, the construction quality and efficiency are remarkably improved, and manual dependence is reduced.

The invention belongs to the technical field of microwave antennas, and particularly provides a tight coupling phased array with a tail end unit loaded with asymmetric dipoles. The main structure of the antenna comprises a radiation structure (I) which is composed of frequency selection surfaces which are arranged above folded dipoles and are periodically arranged, dipoles which are symmetrically arranged in a central unit and dipoles which are asymmetrically arranged in an edge unit; and the feed structure II is composed of a gradient microstrip feeder line, a metal floor and a coaxial line. According to the invention, a frequency selective surface is loaded above a folded dipole, a traditional tight coupling phased array is replaced, a heavy dielectric layer is loaded above the dipole, and a 1 * 8 one-dimensional linear array is designed. Besides, by prolonging the length of the folded dipole on the tail end array element, compared with a traditional structure, extra capacitance is introduced under the condition that the height of the array section is not changed, and the problem that the array is difficult to match at low frequency is effectively relieved.

An image forming apparatus includes a first housing and a second housing connected to each other, a first connector unit disposed on the first housing and including a first terminal unit and a first supporting unit that supports the first terminal unit, a second connector unit disposed on the second housing and including a second terminal unit that is electrically connected to the first terminal unit by being engaged with the first terminal unit in a first direction and a second supporting unit that supports the second terminal unit, a first elastic member connected between the first terminal unit and the first supporting unit or between the first supporting unit and the first housing, and a second elastic member connected between the second terminal unit and the second supporting unit or between the second supporting unit and the second housing.

To provide a terminal unit that can improve the detection accuracy of the detection unit on its own. [Solution] The terminal unit 40 includes a terminal body 50 extending along a first axis X, a temperature sensor 70 having a detection unit 71 capable of detecting the temperature of the terminal body 50 and a signal line 72 capable of transmitting the signal detected by the detection unit 71, and a sensor holder 80 having a sensor holding unit 81 that holds the detection unit 71 so that the detection unit 71 contacts the outer peripheral surface of the terminal body 50, and a fixing unit 82 that is fitted onto the outer peripheral surface of the terminal body 50.

The application relates to a high-voltage power-taking capacitor protection and harmonic suppression system and a circuit thereof, and belongs to the field of power distribution network intelligent control switch power taking. The circuit is arranged between an isolation transformer and a feeder terminal unit (FTU), and comprises an input protection circuit for suppressing input surge overvoltage and fast pulse group, a harmonic filter circuit for filtering out harmonics, a signal acquisition and conditioning circuit for converting an alternating current signal into a direct current voltage signal, and a control protection circuit for comparing the direct current voltage signal with a preset reference voltage. The system further comprises a high-voltage capacitor voltage divider, an isolation transformer and the feeder terminal unit (FTU). The application effectively solves the problem that harmonic interference, surge impact and overvoltage risk coexist in the high-voltage power-taking system, greatly improves the safety and reliability of the operation of the rear-end FTU equipment under the premise of ensuring the accuracy of voltage signal measurement and power supply continuity.

The invention discloses a high-sensitivity passive sensing terminal design method, and belongs to the technical field of passive sensing of the Internet of Things. The method is used for solving the problems of unstable energy collection, insufficient energy storage and easy task interruption of the passive terminal under the condition of ultralow input power. The method comprises an energy acquisition unit, an energy management and storage unit composed of a long-term energy storage capacitor and a short-term energy storage capacitor, and a sensing terminal unit. The system charges the two capacitors at the same time in the dormancy stage; the system is awakened in a preset time through a low-power-consumption timing mechanism, the capacitor voltage is detected, and main power supply is switched on only when the two reach a power-on threshold value, so that the terminal executes a sensing and communication task once. In the task process, when the voltage of any capacitor is reduced to a power-off threshold value, the system immediately closes main power supply and enters the energy storage stage again. Efficient energy collection and reliable energy storage are achieved through a double-capacitor structure and a double-threshold mechanism, tasks can be stably completed under limited energy, and the low-power-consumption wireless sensing device is suitable for low-power-consumption wireless sensing application.

A terminal unit includes one or more internal terminal, a dielectric member, and an external terminal. The internal terminal includes a contact portion for contacting a connection target (counterpart side connector), and a press-fit portion for press-fitting together with an inner conductor. The contact portion is provided at an axial direction one side, and the press-fit portion is provided at an axial direction other side. The internal terminal further includes an impedance adjustment section connected to a press-fit portion. The impedance adjustment section projects out to the axial direction other side with respect to the press-fit portion.

This invention provides a work machine that improves convenience. The chainsaw body (10) has a body-side mounting section (12C), on which a body-side terminal unit (40) is provided. The body-side terminal unit (40) is connected to a motor (14) (controller (50)) via a first power path (52) and a second power path (54). A body-side switch (30) is provided in the first power path (52), which, through operation by the operator, switches the first power path (52) to an on or off state. Thus, depending on the mounting components assembled in the body-side mounting section (12C), the first power path (52) or the second power path (54) can be used separately, thereby enabling or disabling the operation of the body-side switch (30) (body-side trigger (28)). As a result, the convenience for the operator is improved.

The application discloses a remote terminal unit, a national secret encryption and decryption method and an interface resource allocation method. The remote terminal unit comprises a CPU module; the CPU module comprises a CPU core board, a national secret component and a power supply component; wherein the CPU core board is electrically connected with the national secret component and the power supply component; the national secret component is connected with the CPU core board through an interface and is electrically connected with the power supply component, the national secret component supports SM1-SM4 encryption and decryption and is used for providing a national secret encryption and decryption function national secret component; and the power supply component is used for providing power supply for the remote terminal unit. The national secret component is arranged on the CPU module, the national secret component is used for providing national secret encryption and decryption functions, and the security of the remote terminal unit in the process of collecting and receiving data is improved.

The utility model relates to the technical field of power distribution automation, in particular to a control loop broken line detection device used between a feeder terminal unit and a circuit breaker, which comprises a broken line detection module and an information uploading module, the broken line detection module is embedded in the feeder terminal unit and is used for realizing opening and closing operation and broken line detection of a control loop, and the information uploading module is used for uploading information to the feeder terminal unit. Comprising an opening loop disconnection detection module and a closing loop disconnection detection module, the information uploading module is used for receiving disconnection detection signals sent by the disconnection detection module and uploading the disconnection detection signals to operation and maintenance software, and the information uploading module comprises a single-chip microcomputer and a control chip connected with the single-chip microcomputer. Compared with the prior art, the I2C bus is adopted for communication with the CPU, so that the resources of the single chip microcomputer are saved; the millisecond-level detection of the broken line of the control loop is realized; the modular design is high in compatibility and can be directly arranged in the existing FTU, and meanwhile later maintenance is facilitated; and related parameters of disconnection are easy to adjust, so that more customization requirements can be met.

An asset management system that manages an asset employing a terminal unit including a tag communication unit that communicates with the tag and a position information acquisition unit that acquires position information. The position information acquisition unit starts to acquire the position information when a first condition is satisfied, such that the first condition is at least one of a condition that communication between the tag communication unit and the tag is established and the distance between the tag communication unit and the tag is equal to or less than a first threshold value. The position information acquisition unit ends acquisition of the position information when a second condition is satisfied, such that the second condition is at least one of a condition that the wireless communication is not established and the distance between the tag communication unit and the tag is more than the second threshold value.

The present application discloses a system and a method for intelligent safety monitoring, wherein the intelligent safety monitoring system comprises the following components: a monitoring unit for monitoring vehicle condition information; a control unit connected to the monitoring unit and trained to assess, based on the vehicle condition information, whether the vehicle is abnormal; a camera unit connected to the control unit and trained to assess a control command issued by the control unit upon the occurrence of an anomaly, so that environmental information around the vehicle is obtained; a mobile terminal unit communicatively connected to the control unit and trained to receive and output the vehicle condition information and / or the assessment result of the occurrence of an anomaly and the environmental information sent by the control unit.The solution according to the present application allows the abnormal situation of the vehicle to be automatically monitored and the user to be notified in a timely manner in order to reduce losses, while access to the monitoring platform is automatic at certain locations.

The invention relates to an industrial data acquisition system, method and device based on an SD-WAN communication technology. The system comprises an edge layer module, a network physical layer module and a control layer module, the edge layer module comprises at least one edge layer; the control layer module comprises a data acquisition server unit, a first client device unit, a core switch unit, an SD-WAN controller unit, a firewall protection unit, an optical network unit and a mobile terminal APP unit. The network physical layer module comprises a transmission medium unit and a matched connection equipment unit; the edge layer module comprises a second client device unit, an edge switch unit, an edge data acquisition terminal unit and a device layer unit; and the management and control layer module is connected with the edge layer module through the network physical layer module. By adopting the system, the communication delay of the industrial data in the transmission process can be reduced, the data transmission stability is improved, and the data security is improved.

The application discloses a kind of based on AOA's fault location method of distribution network with distributed power supply, belong to power system fault diagnosis technical field.The method of the application comprises: first, distribution network topology is discretized into feeder section, actual fault current array is generated using the fault current information collected by feeder terminal unit, and switch expectation function is established to associate feeder section fault state with expected fault current array;Second, construct evaluation function based on the difference degree between actual fault current array and expected fault current array;Finally, improved archimedes optimization algorithm is used for optimization solution.The method of the application effectively solves the problem that the direction of power flow is variable due to the access of distributed power supply to distribution network, and the adaptability of traditional methods is insufficient, and realizes fast and accurate fault section positioning in single-point and multi-point fault scenarios.

The lid body is used as an exterior body for an electricity storage device. The lid body includes a lid main body, a through hole penetrating the lid main body, an insulating member including an in-hole portion disposed in the through hole and an out-hole portion connected to the in-hole portion and disposed outside the through hole, and a barrier member covering at least a portion of the out-hole portion of the insulating member. The barrier member has at least one of a moisture barrier property and a gas barrier property higher than that of the insulating member.

The invention discloses a wiring terminal assembly, a wiring terminal unit and a bonding method of a wiring terminal and a wire. The wiring terminal assembly comprises a self-repairing insulating layer made of a self-repairing composite material, the middle part of the self-repairing insulating layer comprises a wire pressing area, a plurality of groups of shape memory alloy sheets which are pre-embedded in the wire pressing area at intervals in the circumferential direction in a pre-strain state, and a stress welding layer which is coated on the inner wall of the wire pressing area; the shape memory alloy sheet is subjected to phase change and generates recovery stress, and the recovery stress acts on the self-repairing insulating layer and is converted into radial pressing force. The shape memory alloy driving element, the self-repairing insulating composite material and the low-temperature solid-state welding layer are functionally integrated, and a traditional static and passive mechanical connecting piece terminal is converted into an adjusting system which can dynamically sense temperature changes and actively adjust the connecting state and has the self-repairing capacity.

The present invention may provide a motor including: a shaft; a rotor coupled to the shaft; a stator provided to correspond to the rotor; a bus bar provided above the stator; a cover member disposed above the bus bar; and a power supply terminal unit coupled to the cover and electrically connected to the bus bar, in which the bus bar includes a first terminal, the power supply terminal unit includes a second body and a second terminal disposed on the second body, the cover includes a first hole, and the power supply terminal unit is electrically connected to the bus bar. And a first end portion of the first terminal and a second end portion of the second terminal, which pass through the first hole and are disposed in the second body, are in contact with each other in the second body.

The present disclosure provides an unmanned vehicle system that includes: a first non-terminal cell enclosing a first plurality of terminal cells, each of the first plurality of terminal cells enclosing a respective unmanned arial vehicle (UAV); a second non-terminal cell enclosing a second plurality of terminal cells, each of the second plurality of terminal cells enclosing a respective UAV; a first non-terminal cell linkage member fixedly coupled to the first non-terminal cell; a second non-terminal cell linkage member movably coupled to the second non-terminal cell; and a non-terminal cell pivot joint to pivotally couple the first and second non-terminal cell linkage members; wherein the first and second non-terminal cells are arranged in a single plane, and first and second non-terminal cell linkage members and the non-terminal cell pivot joint provide controllable movement of the first and second non-terminal cells with respect to one another and within the single plane.

The invention relates to an intelligent current transformer open circuit prevention protection device suitable for power distribution automation DTU transformation. The intelligent current transformer open circuit prevention protection device comprises a device shell, a PCB arranged in the device shell and a composite short circuit module integrated on the PCB. Four positive electrode external wiring ports are formed in the upper end of the device shell, and four negative electrode external wiring ports are formed in the other side of the device shell and correspond to an A phase, a B phase, a C phase and a grounding phase of an alternating current secondary circuit of a DTU respectively; the primary side of the PCB is provided with four positive electrode internal wiring ports, and the other side of the PCB is provided with four negative electrode internal wiring ports. The four positive electrode internal wiring ports are connected with the four positive electrode external wiring ports one by one through leads, and the four negative electrode internal wiring ports are connected with the four negative electrode external wiring ports one by one through leads, so that a short-circuit loop for respectively controlling an A phase, a B phase, a C phase and a grounding phase of an alternating-current secondary loop of the DTU is formed; and open-circuit control is realized through the composite short-circuit module. According to the invention, embedded installation is realized, and the cost and difficulty of power distribution automation reconstruction are reduced.

The invention relates to an intelligent monitoring and early warning system for group mining and group irrigation and a control method. The method comprises the steps that a geothermal well group industrial local area network is constructed, a master station server and remote acquisition terminal units corresponding to geothermal wells are configured, and a well group geological simulation model is built in the server; the remote acquisition terminal unit reports data to the master station server in a preset period or event triggering mode according to a preset unified message format; the geological simulation model receives and assimilates the real-time data, generates prediction data of each node and calculates a dynamic safety threshold; the central server compares the real-time data with the prediction data, if a verification threshold value is exceeded, the sensor is triggered to perform self-inspection and rereporting and judge abnormity, otherwise, the average value of the two data is taken as an optimal estimation value; and when the optimal estimated value exceeds the dynamic safety threshold, generating early warning, determining a regulation and control scheme, issuing a control instruction, and driving an execution mechanism to act and returning an execution result by the acquisition end. Seamless integration of heterogeneous equipment and plug and play of newly-added wells are achieved, and heat storage balance of the geothermal well group is guaranteed.

Disclosed are: a secondary battery in which a current collecting plate and an electrode terminal are joined outside an accommodation can; and a method of manufacturing same. The secondary battery comprises: the accommodation can, which includes a bottom plate having a through hole and a terminal unit which is fixed to the bottom plate so as to be inserted into the through hole and has a terminal hole in a central portion; a cylindrical electrode assembly which is accommodated in the accommodation can and stores electrochemical energy, and in which a core cavity is positioned in a central portion; and the current collecting plate which is joined to one end of the electrode assembly so as to be exposed to the outside of the accommodation can via the terminal hole, and has a chamfered surface along the circumference of the terminal hole, wherein the terminal unit and the current collecting plate are joined by a welding bead that is positioned lower than the terminal unit and inside a welding recess defined by the chamfered surface and the inner surface of the terminal hole.

The utility model relates to the technical field of electronic equipment, in particular to a terminal installation frame, a through-wall terminal unit and a cabinet. The installation frame comprises an installation frame body, the installation frame body is of a box body structure, an inner cavity of the installation frame body can accommodate and fix the push-in type plug-in module, and the installation frame body can be inserted between the cabinet angle gauge and the cabinet frame; a first connecting piece is arranged on one side of the mounting frame body in the width direction, and the first connecting piece is used for connecting a cabinet frame; second connecting pieces are arranged at the two ends of the other side of the installation frame body in the width direction, the second connecting pieces are used for being connected with a cabinet angle gauge and can be installed at the position of an original inter-cabinet connecting structure between the cabinet angle gauge and a cabinet frame, and the original connecting structure is replaced while the reinforcing function of the connecting structure is considered. And the layout of the internal space of the cabinet is optimized. The through-wall terminal unit comprises the terminal installation frame and a push-in plug-in module. The cabinet is provided with the terminal installation frame or the through-wall terminal unit.

A display device (1) is provided with: a display unit (2) having a light-emitting element; and a terminal unit (3) having wiring for supplying a display signal to the light-emitting element. The terminal unit (3) has a bent part (9) that protrudes outward by being bent so as to face the surface of the display unit (2) on the opposite side from a display surface (8). The direction in which the terminal unit (3) extends from the display unit (2) is defined as a first direction (13). The bent part (9) has a plurality of protrusions (10) that are positioned on the outer side of the bent part (9) and are arranged along a second direction (14) orthogonal to the first direction (13). The plurality of protrusions (10) contain a curable resin.

An embodiment cable coupling connector includes an outer connector including a terminal housing and an outer combination unit, a connector hook on the outer combination unit, an inner connector including a coupling cap unit coupled to a cable inside of a vehicle body, a terminal unit extending from the coupling cap unit, and an inner combination unit coupled with the outer combination unit by being inserted thereinto while surrounding lateral sides of the terminal unit, a plug covering the outer combination unit and connected to a cable pulled out of the vehicle door and to the terminal unit, a pressing portion on the plug, and a slide lever inserted between the outer and inner combination units and pressing against the connector hook toward a direction of the pressing portion to lock the connector hook to the pressing portion and to couple the outer connector and the plug.

The application provides a capacitive oil level passive detection system and method based on optical fiber energy transmission and communication, and relates to the field of oil level passive detection. The system comprises a host terminal unit, a remote oil level sensing unit and an optical fiber transmission link module. The host terminal transmits energy light to the remote end through the optical fiber, and the remote end is powered by the capacitive oil level sensor after photoelectric conversion. The capacitive measurement module converts the oil level change into an analog voltage signal, forms pulse return communication light after voltage-frequency conversion, returns to the host terminal through the optical fiber, and recovers the oil level information after frequency-voltage conversion. The application realizes complete passive power supply of the remote end by using optical fiber energy transmission, eliminates the electrical safety hidden danger of the airborne fuel tank environment, and is suitable for various airborne fuel measurement systems.

------12 / 09 / 2561------(OCR) The electrolyte conditioning assembly 100 is attached to the surface conditioning tank 10. The electrolyte used for surface conditioning of workpiece 1, which is designated as the negative electrode, consists of: The 200 injector unit and the 300 positive terminal unit are connected to the injector unit as a single unit. It consists of several 210 nozzle pipes, a 220 manifold, and a 230 piping system fitting which connects the manifold to... The external conduit of the anode unit consists of a 320 anode box and a 330 power receiving section, which are adjusted. Connect the non-melting positive terminal to the external power supply 40 installed in the surface conditioning tank. The anode box contains 310 non-melting anodes, each hanging separately and positioned at an isolated location. From a number of horizontal nozzle tubes and a partition wall arranged separately from the non-melting anode. Horizontal ------------ The electrolyte conditioning assembly 100 is attached to the surface conditioning tank 10. The electrolyte used for surface conditioning of workpiece 1, which is designated as the negative electrode, consists of: The 200 injector unit and the 300 positive terminal unit are connected to the injector unit as a single unit. It consists of several 210 nozzle pipes, a 220 manifold, and a 230 piping system fitting which connects the manifold to... The external conduit of the anode unit consists of a 320 anode box and a 330 power receiving section, which are adjusted. Connect the non-melting positive terminal to the external power supply 40 installed in the surface conditioning tank. The anode box contains 310 non-melting anodes, each hanging separately and positioned at an isolated location. From a number of horizontal nozzle tubes and a partition wall arranged separately from the non-melting anode. Horizontal