34results about How to "Simple switch control" patented technology

The invention relates to a connection module for the connection of a sensor, in particular of an optoelectronic sensor, to a fieldbus, comprising a sensor interface for the connection of the connection module to an interface of a sensor, a serial bus interface for the connection of the connection module to an interface of a fieldbus and a gateway circuit which is connected to the bus interface and to the sensor interface in order to convert data received at the bus interface into a data format of a connected sensor and vice versa. The sensor interface of the connection module is made as a parallel interface. At least one I / O circuit is integrated into the connection module and is connected to the bus interface and to the sensor interface. The invention further relates to a method for the connection of a sensor to a fieldbus via a connection module.

The invention relates to an automotive hydraulic vane pump motor and a switching control hydraulic system thereof. The pump motor comprises a rear pump cover, an oil-in distribution disc, a stator, a rotor, an oil-out distribution disc, a front pump cover, a shaft, a vane, an oil inlet and an oil outlet, wherein a static pressure oil chamber is formed in one side wall of a vane slot in the rotor and is communicated with an external hydraulic source through a signal oil passage; the static pressure oil chamber takes the shape of a groove and has openings which directly face the body of the vane when the vane extends to the maximal position and the minimal position; a vane root oil chamber, which is used for supplying hydraulic pressure to actuate the vane to extend out, is arranged at the root of the vane; an external switching control hydraulic system is used for supplying hydraulic oil to the vane root oil chamber; the switching control hydraulic system comprises an accumulator, a three-position electromagnetic directional valve and a reversing valve; one oil port in an output end of the reversing valve is communicated with the static pressure oil chamber, and the other oil port is connected with the vane root oil chamber; the oil port in an input end of the reversing valve is connected with signal oil, and a non-return valve is arranged on the accessed oil passage; oil ports in the output end of the three-position electromagnetic directional valve are respectively connected with the oil inlet and the oil outlet, and oil ports in the input end of the three-position electromagnetic directional valve are respectively connected with an oil tank and the accumulator.

The invention relates to a redundancy equalization lithium battery management circuit and method based on a K-means clustering genetic algorithm. The circuit comprises a single-chip microcomputer unit, and a switch driving unit, an AD sampling unit, a passive equalization driving unit and a Hall sensor which are connected with the single-chip microcomputer unit, and also comprises a battery pack module. The single-chip microcomputer unit collects data according to the AD sampling unit and the Hall sensor, controls corresponding switches through the switch driving unit and the passive equalization driving unit, and further controls all the lithium battery units and all the single lithium batteries in the battery pack module to participate in power supply of the whole redundant equalization lithium battery management circuit or not. The circuit has applicability, can solve the problem that the electric quantity of the discrete battery pack is inconsistent, and reduces the energy difference among the single batteries in the battery pack, thereby improving the consistency of the battery pack.

The present invention relates to a method for scheduling and controlling access to a multibank memory having at least two banks, and to an apparatus for reading from and / or writing to recording media using such method. According to the invention, the method comprises the steps of: writing an input stream to the first bank; switching the writing of the input stream to the second bank when a read command for the first bank is received; and switching the writing of the input stream back to the first bank when a read command for the second bank is received.

The invention provides a fluid cell type mattress and a control method thereof. The fluid cell type mattress can realize a supporting surface which can accurately and better handle the distribution of a user's body pressure in a novel and simple structure. The fluid cell type mattress (10) is provided with a unit set (48) which is constituted by a plurality of units (30). The fluid chambers of the plurality of units (30) that constitute the unit set (48) are mutually communicated through an intra-set through channel (46), and the intra-set through channel (46) is provided thereon with first valves (50) which manage the on and off of the fluid chambers (32) of the plurality of units (30) which constitute the unit set (48). On the other hand, a plurality of unit sets (48) are provided, and an inter-set through channel (84) which connect the plurality of unit sets (48) is connected to respective first valve (50) of the plurality of unit sets, such that the through resistance of the intra-set through channel (46) is smaller than the through resistance of a drain side flow path (94) which is constituted by including the inter-set through channel.

The invention discloses a pressure stabilizing method of a bag-type dust collector, which comprises the following steps of: supplementing gas to the bag-type dust collector or a main pipeline connected with the front end of the bag-type dust collector before each pulse ash removal, and keeping the gas supplementing process for a period of time. According to the invention, supplementing gas is introduced; the gas quantity in the bag-type dust collector and the main pipeline is kept stable before pulse ash removal for a period of time and during pulse ash removal; thus, the situation that duringpulse ash removal, original gas is compressed instantaneously due to the fact that ash removal gas is increased instantaneously in the bag-type dust remover and the main pipeline is avoided, and pressure fluctuation, caused by instantaneous increase of the gas volume, of the front end can be greatly reduced. According to the invention, the pressure fluctuation in the bag-type dust collector can meet the requirements, the process negative pressure fluctuation range required by precision production such as vapor deposition is met, and a good effect is generated for improving the production quality of high-added-value products such as lasers and optical fiber preforms.

In a refrigerating plant with three compressors (2A, 2B, 2C) and two-system use-side heat exchangers (41, 45, 51), the first compressor (2A) is connected to be used only on the first system side The state of the utilization-side heat exchanger (45, 51) of the circuit, the third compressor (2C) is connected to the state of the utilization-side heat exchanger (41) only for the second system side circuit, and the second compressor ( 2B) By connecting the utilization side heat exchangers (45, 51) of the first system side circuit and the indoor heat exchanger (41) of the second system side circuit, the structure of the suction side piping can be simplified and simplifies operation control.

The invention relates to novel bathroom intermittent heating devices and discloses a novel bathroom intermittent heating device which aims at solving the problems that by means of an existing bath heater, the temperature of a bathroom cannot be evenly distributed, energy is wasted and potential safety risks exist. The novel bathroom intermittent heating device comprises gravity type heat pipes, a U-shaped hot water tank, a water inlet pipe, a water returning pipe, a water heater, a shower hot water pipe, a shower nozzle, a hand valve and a pipeline pump. A groove is formed in a wall, a thermal-protective coating is arranged in the groove, and an insulating layer is arranged on the bottom face of the thermal-protective coating. The U-shaped hot water tank is arranged in the groove in parallel with the insulating layer in a horizontal U-shaped mode. An opening is formed in one side of the U-shaped hot water tank, and one side of the opening faces upwards. The lower ends of the gravity type heat pipes are inserted in the opening of the U-shaped hot water tank, and the inserting position is sealed. One pipe opening in the opening side of the U-shaped hot water tank is connected with the water heater, and the other pipe opening in the U-shaped hot water tank is connected with the water heater. The shower hot water pipe is arranged on the side face of the water heater, and the shower nozzle is arranged at the lower end of the shower hot water pipe. The novel bathroom intermittent heating device is used for bathroom heating and showering.

The invention discloses an automobile balance device capable of preventing side tilt and forward tilt of an automobile, and a control method thereof. The automobile balance device comprises a sensor module, an ECU (electronic control unit), and an airbag. The sensor module comprises a wheel speed sensor, a steering wheel sensor, and a brake sensor. The wheel speed sensor, the steering wheel sensor and the brake sensor are connected to the input end of the ECU respectively. The airbag is disposed between a wheel arm shaft and an automobile body. The airbag comprises a flexible main gas chamber connected with the automobile body and a rigid auxiliary gas chamber connected with the wheel arm shaft. The flexible main gas chamber and the rigid auxiliary gas chamber are connected or disconnected through an airbag electromagnetic valve. The automobile balance device and the control method thereof have the advantages that the automobile balance device is more accurate and faster, forward tilt and side tilt caused by sudden braking and cornering of the automobile can be eliminated better, and the automobile is more comfortable; the automobile balance device is compact in structure and never produces evident interfering motion; the airbag is adopted, and the automobile balance device is reasonable in price and easy to manufacture.

The invention belongs to the technical field of optical communication, and particularly relates to a non-blocking expandable multistage photoswitch array and a working method thereof. The multistage photoswitch array is provided with kN input terminals and kN output terminals, and comprises a packet network with kN input terminals and kN output terminals and a switching network consisting of k N*N non-blocking switching units A. The kN output terminals of the packet network are divided into k output groups. Any one input terminal selected can be connected to the output terminal of any one group of output groups. The N output terminals on each output group are connected with the N input terminals on the switching unit A orderly. The invention has the advantages that a novel network topological structure is put forward, wherein the structure combines the characteristic that mono-stage switching network is simple to control and the advantages of multistage switching network which is low in cost and complexity of hardware. A syncretic topological structure is put forward. The N*N structure is selectively expanded to the kN*kN structure agilely according to the current network traffic. The non-blocking expandable multistage photoswitch array provided by the invention is simple in swapping control and has strict non-blocking characteristics.

The invention relates to an automotive hydraulic vane pump motor and a switching control hydraulic system thereof. The pump motor comprises a rear pump cover, an oil-in distribution disc, a stator, a rotor, an oil-out distribution disc, a front pump cover, a shaft, a vane, an oil inlet and an oil outlet, wherein a static pressure oil chamber is formed in one side wall of a vane slot in the rotor and is communicated with an external hydraulic source through a signal oil passage; the static pressure oil chamber takes the shape of a groove and has openings which directly face the body of the vane when the vane extends to the maximal position and the minimal position; a vane root oil chamber, which is used for supplying hydraulic pressure to actuate the vane to extend out, is arranged at the root of the vane; an external switching control hydraulic system is used for supplying hydraulic oil to the vane root oil chamber; the switching control hydraulic system comprises an accumulator, a three-position electromagnetic directional valve and a reversing valve; one oil port in an output end of the reversing valve is communicated with the static pressure oil chamber, and the other oil port is connected with the vane root oil chamber; the oil port in an input end of the reversing valve is connected with signal oil, and a non-return valve is arranged on the accessed oil passage; oil ports in the output end of the three-position electromagnetic directional valve are respectively connected with the oil inlet and the oil outlet, and oil ports in the input end of the three-position electromagnetic directional valve are respectively connected with an oil tank and the accumulator.

Control of one or more switches arrayed in a multi-gang switch box is disclosed. One or more sensors may receive or provide an indication of a gesture near one of the switches. An indication of the switch determined to which a gesture is determined to be directed toward may be displayed. A state change may be performed on the switch according to the gesture.

The invention relates to a control system for variable cursors of a measurement and control radar device. The control system comprises a control portion and a structure target holder, according to relative position data of the cursors of the measurement and control radar device, reference of two of reference position data is carried out, a guide rail member is fixed on a guide rail reference member, a cursor guide rail member is locked on the guide rail member, the guide rail reference member and the guide rail member are fixed through utilizing a supporting member, after all the cursors are mounted, the integrated guide rail reference member is led through a safety groove through utilizing a rope onto a structure in the prior art, the guide rail reference member is lastly inserted into a fixing hoop, and mounting of the whole device is accomplished. Branch controllers are distributed around the fixing hoop, cable connection is accomplished, through a host computer, cursor control can be conveniently realized according to a combination control protocol. The system is advantaged in that mounting, adjustment and control are convenient, the cursor position can be accurately positioned, combination control on the cursors can be realized, and quite great application values are realized.

A battery series circuit and parallel circuit rapid switching device comprises a power source, a plurality of battery fixing connection pieces, a switching switch, a plurality of contactors and a plurality of relays, wherein each battery fixing connection piece is provided with a series positive electrode, a series negative electrode, a parallel positive electrode and a parallel negative electrode; each contactor is provided with two normally open contacts which can be opened and closed and a coil; each relay is provided with two normally open contacts which can be opened and closed and a coil; the part between every two battery fixing connection pieces is provided with one contactor, wherein one contact of the contactor is connected with the series positive electrode of one battery fixingconnection piece, and the other contact of the contactor is connected with the series negative electrode of the other battery fixing connection piece; the coils of the contactors are connected with aseries gear and the power source in series to form a closed loop circuit; and each battery fixing connection piece is further provided with one relay, one contact of the relay is connected with the parallel positive electrode of the battery fixing connection piece, and the other contact of the relay is connected with the parallel negative electrode of the battery fixing connection piece; and thecoils of the relays are connected with a parallel gear and the power source in parallel to form a closed loop circuit.

A tunnel lighting device, system and method using sunlight, the device includes a light guide, the light guide is connected with a diffuser installed in the tunnel through an optical fiber, and a first An illumination sensor and a lamp, the first illumination sensor is used to collect the light intensity in the light guide, and the light is used to adjust the light intensity in the light guide. In the present invention, when the light intensity in the light guide is insufficient, the illuminance of the lamp is used to compensate the light intensity, and the compensated light intensity is transmitted to the diffuser through the optical fiber, so that the light beam received in the diffuser is in the light guide. The light beam that has been preliminarily mixed in the diffuser, and the light emitted by the diffuser has no obvious brightness difference, color difference or color temperature change, and the compensation of light is smoother, achieving the purpose of stepless dimming.

The invention relates to a camera-lens position regulating method and apparatus, and camera thereof. The camera comprises: a lens holding member, a motor providing revolution driving force in a predetThe invention relates to a camera-lens position regulating method and apparatus, and camera thereof. The camera comprises: a lens holding member, a motor providing revolution driving force in a predetermined direction, a geared ring, a cam, a potential applying element of which one end is connected with one of the geared ring and the cam and the other end is connected with a movable object, and aermined direction, a geared ring, a cam, a potential applying element of which one end is connected with one of the geared ring and the cam and the other end is connected with a movable object, and aclutch for controlling joint and separation between the geared ring and the cam. According to the invention, using mono-directional driving force of the motor to control bi-directional movement of theclutch for controlling joint and separation between the geared ring and the cam. According to the invention, using mono-directional driving force of the motor to control bi-directional movement of thedriving device can realize at least one of focusing operation, film feeding operation, zooming operation, lens retracting operation and shuttering operation, with a cheap structure and without expens driving device can realize at least one of focusing operation, film feeding operation, zooming operation, lens retracting operation and shuttering operation, with a cheap structure and without expensive driving source.ive driving source.

The invention relates to a redundant balanced lithium battery management circuit and method combined with K-means clustering genetic algorithm. The circuit includes a single chip unit, a switch drive unit connected to the single chip unit, an AD sampling unit, a passive equalization drive unit, a Hall sensor, and a battery pack module; the single chip unit collects data according to the AD sampling unit and the Hall sensor, The corresponding switches are controlled by the switch drive unit and the passive balance drive unit, thereby controlling whether each lithium battery unit and each single lithium battery in the battery pack module participate in the power supply of the entire redundant balanced lithium battery management circuit. The invention has applicability, can solve the problem of inconsistent power of discrete battery packs, reduce the energy difference between the battery cells in the battery pack, and improve the consistency of the battery pack.