12 results about "Coupled carrier" patented technology

The utility model is applicable to the field of photovoltaic technology, and provides a photovoltaic system, the photovoltaic system comprises an inverter and at least one combiner box, the inverter comprises a DC bus, a power line carrier communication host circuit and a host magnetic ring, and the combiner box comprises a power line carrier communication slave circuit and a slave magnetic ring; a positive output cable of the combiner box is connected with the positive direct current bus, and a negative output cable of the combiner box is connected with the negative direct current bus; the host magnetic ring is sleeved on the direct current bus to couple a carrier signal, and the power line carrier communication host circuit is connected with the host magnetic ring; the slave magnetic ring is sleeved on an output cable of the combiner box, and the power line carrier communication slave circuit is connected with the slave magnetic ring. According to the technical scheme of the utility model, RS485 communication cables do not need to be laid, the construction cost of communication between the inverter and the combiner box can be reduced, and the communication stability is improved.

A coupling arrangement for an agricultural tractor comprises a drawbar having a first bar section mounted in a longitudinally movable manner along a predefined adjustment region in a holder for attachment to an underside of a power-take-off transmission housing of the agricultural tractor, and a second bar section situated opposite the first bar section and is guided within adjacent upper and lower supporting cheeks of a coupling carrier plate and can be fixed therein in one of a plurality of coupling positions along the predefined adjustment region by a securing element. At least along the predefined adjustment region, the drawbar is configured as an I profile which runs upright within the holder and has upper and lower flanges which are connected by a web. Left and right inner protrusions on the holder are positioned on both sides of the web of the I profile.

The three-phase coupling carrier communication phase switching system comprises a three-phase coupling circuit, a three-phase signal switching module, a carrier power amplifier and a carrier MCU which are connected in sequence, the control signal output end of the carrier MCU is connected with the corresponding control signal input end of the three-phase signal switching module, and the carrier MCU is connected with the corresponding control signal input end of the three-phase signal switching module. And the control module is used for analyzing the received carrier data frame, extracting the signal strength and the signal-to-noise ratio, selecting an optimal phase, generating a control signal to drive a triode in the three-phase signal switching module, and dynamically adjusting the coupling phase of three-phase carrier communication. On the premise that carrier communication performance is not affected, communication coupling phases can be switched according to field environment noise and power line conditions, and therefore higher meter reading communication efficiency is achieved.

The utility model discloses a rolling frame for a film coiled material, and relates to the technical field of rolling frames, the rolling frame comprises a rolling table, a guide groove is arranged in the rolling table, one side of the guide groove is provided with a coupling bearing seat, the coupling bearing seat and the rolling table are of an integrated structure, and a rolling motor is fixedly arranged on the rear end face of the coupling bearing seat through a screw; the winding device further comprises a winding roller shaft which is arranged at the front end of the coupling bearing base, an output shaft of the winding motor is in transmission connection with a rotating shaft at one end of the winding roller shaft through a coupling, and the winding roller shaft is sleeved with a first limiting ring base and a second limiting ring base. The problems that according to an existing winding device, the coiled materials of different specifications are wound through an arranged lifting type movable clamping structure, however, lifting clamping can only meet the requirement for winding of the coiled materials of different thicknesses and cannot meet the requirement for winding of the coiled materials of different lengths, discharging is inconvenient after winding, and the coiled material winding efficiency is affected are solved.

The attachment includes a pivoting arm (4) which is hinged on a support arm (3) about a hinge (2). The one free end (5) of the support arm (3) forms a receiving opening, open on one side by the width of the neck of the ball head, with a spherical tight fit for the lower part of the ball head. Therefore, this free end (5) of the support arm (3) can be pushed laterally over the neck of the ball head. There are tensioning means (21, 22), whereby the end region of this support arm (3) can be braced with the zenith of the ball head in such a way that the lower spherical region of the ball head is braced with the spherical tight fit on the receiving opening. The free end of the pivoting arm (4) which can be swung out with respect to the support arm (3) supports a coupling head (14) for attaching a conventional coupling carrier for transporting bicycles. When the pivoting arm (4) is swung out, the rear region of the vehicle is released, with the result that the tailgate thereof can be swung open or its rear door can be swung open.

The invention discloses a multipath electric power signal coupling method and system for a centralized control system, and belongs to the technical field of electric power signal coupling. A coupling tolerance matrix is constructed based on multi-parameter characteristics of electric power signals, the signals are divided into reusable groups by using a graph coloring algorithm, and coupling carrier parameters are distributed for each group of signal sets; multiple groups of signals generate coupling control waveforms through a waveform modulator, the coupling control waveforms are injected into a shared transmission channel, a configuration table is used for parallel decoding and error checking at a receiving end, a parameter self-adaptive tuning mechanism can be triggered when the error rate exceeds a threshold value, and closed-loop updating of frequency offset and time slots is achieved. The decoupled signal is output to the load control module, and the current coupling configuration state is transmitted back to the centralized control system master station in real time; the method is suitable for high-density and multi-node industrial control, power grid automation, rail transit and other scenes, and has the technical advantages of high signal coupling efficiency, strong anti-interference capability, error code self-repairing, configuration passback and the like.

Support structure comprising: a carrier (1), an antenna structure (4,5) on the carrier (1); a receiving area (7) for releasably receiving an RF chip (11), wherein the receiving area (7) is arranged relative to the antenna structure (4, 5) in such a way that, when the RF chip (11) is arranged in the receiving area (7), an inductive coupling with the antenna structure (4, 5) is enabled; an inductive blocking element (9) on the carrier (1) which, in a first position of the inductive blocking element (9), blocks communication with the RF chip (11) by means of the antenna structure (4, 5) and, in a second position of the inductive blocking element (9), enables communication with the RF chip (11) by means of the antenna structure (4, 5), wherein the inductive blocking element includes a half turn (91) which is electrically isolated from a second half turn (92) in the first position and electrically connected in the second position.

The invention discloses a carrier wave meter reading controller with a module detection function and a detection method thereof, and solves the problems that a carrier wave meter reading controller in the prior art cannot perform fault detection, needs to take electricity on site, is single in applicable scene and is poor in safety, the carrier wave meter reading controller comprises a handheld device, and the front side of the handheld device is provided with a function module detection interface; the upper end of the handheld computer is provided with a wireless carrier antenna and an infrared communication interface, the wireless carrier antenna is connected with a built-in carrier communication unit, the functional module detection interface sends a corresponding format frame and reads a corresponding reply of the functional module, the wireless carrier antenna analyzes coupled carrier signals to distinguish uplink and downlink signals, and the infrared communication interface is connected with the built-in carrier communication unit. And judging whether the field electric energy meter accesses the network. Multiple functions required by a reading and displaying site are realized through single equipment, various complex environments occurring during on-site carrier wave reading and controlling are handled, multiple functions are integrated, and the universality is high; and the carrier signal on the power line is obtained through the wireless carrier antenna, so that convenient and rapid carrier detection is realized, and the safety is high.

A coupling arrangement (10) for an agricultural tractor (12) comprises a drawbar (16) with a first rod section (24) which is mounted in a holder (28) for attachment to an underside (40) of a power take-off shaft housing (42) of the agricultural tractor (12) so as to be longitudinally displaceable along a predetermined adjustment range, and a second rod section (26) opposite the first rod section (24), which is guided within adjacent upper and lower support cheeks (44, 46) of a coupling carrier plate (52) and can be fixed therein by means of a securing element (22) in one of several coupling positions along the predetermined adjustment range.It is provided that the pull rod (16) is designed, at least along the predetermined adjustment range, as a double-T profile (54) running upright within the holder (28) with upper and lower flanges (58, 60) connected by a web (56), wherein left and right inner projections (62, 64) on the holder (28) are positioned on both sides of the web (56) of the double-T profile (54) in such a way that a lateral guide of the pull rod (16) is formed within the holder (28).

The invention relates to a method and a means of transport (10) for operating an anti-theft alarm system of a means of transport (10) for theft monitoring of a coupling carrier (3). A signal is detected and, in response to the signal, the anti-theft alarm system is extended to a rear part of the means of transport (10).

This invention relates to the field of optical communication technology and discloses an optical module lens coupling device and method, including a coupling unit and a loading / unloading unit. The loading / unloading unit includes a hopper, a pick-and-place module on one side of the hopper, a heating platform on the outside of the pick-and-place module, and a positioning module on the heating platform. A transport module sequentially transfers the optical module between the tray on the pick-and-place module, the heating platform, and the coupling carrier module. The coupling unit and the loading / unloading unit are arranged separately and independently, which reduces vibration transmission during loading and unloading, minimizes the impact on the coupling process, and integrates a positioning module for secondary positioning of the optical module on the heating platform. This allows for a purely mechanical positioning method for the optical module instead of the existing visual guidance positioning, unifying the receiving benchmark. While ensuring high-precision coupling, it solves the problem of material jamming during optical module receiving, improving production efficiency and product yield.

The invention relates to a device (100) for stimulating body regions (12) of a user (10), in particular for electrical muscle stimulation training (EMS). The device (100) comprises: an article of clothing (20) made of an elastic textile structure with integrated electrodes (22); and a local control unit (40) for power supply and control. For disturbance-free operation of the device (100), it must be ensured that the control unit (40, 40') is securely connected to the electrodes (22) of the article of clothing (20) during training. For this purpose, the article of clothing (20) is provided with a carrier unit (30, 30') which is electrically connected to the supply lines (24) of the electrodes (22, 22A, 22B) and to which the control unit (40, 40') can be detachably fastened. In order to electrically couple the control unit (40, 40'), the carrier unit (30, 30') comprises contact fields (35, 35') which, in the assembled state of the control unit (40, 40') and the carrier unit (30, 30'), are in electrical contact with contact elements (45, 45') of the control unit (40, 40'). The contact fields (35, 35') are arranged on a contact surface (34, 34') which is convex or concave at least in sections.