40results about How to "Reduce the number of contacts" patented technology

The invention discloses a charging and communication collinear system and an earphone product. The charging and communication collinear system comprises a charging device and an electric product. Thecharging device comprises a main charging interface, a power output circuit and a main controller. The power output circuit is connected with the positive electrode of the main charging interface through a first switch. The main controller is connected with the positive electrode of the main charging interface through a second switch. The electric product comprises a slave charging interface, a charging circuit and a slave controller. The charging circuit is connected with the positive electrode of the slave charging interface through a third switch, and is used for receiving a charging powersource outputted by the charging device and charging a battery in the electric product. The slave controller is connected with the positive electrode of the slave charging interface through a fourth switch. According to the invention, the dual functions of transmitting a charging current and transmitting a communication signal on a single connection line are achieved. The technology is applied tothe earphone product. In this way, the charging function and the communication function of an earphone can be realized by a charging box. Meanwhile, the number of contacts between the earphone and thecharging box can be reduced.

The invention relates to the technical field of electric appliances and sockets, in particular to an extended combined module power socket and an application. The extended combined module power socket comprises single socket bodies, socket inner insertion connecting parts and a power supply connecting wire. The first extended module socket body and the second extended module socket body are connected with the left side and the right side of the main module socket body in an inserted mode respectively. A plurality of extended module socket bodies are sequentially connected with the right side wall of the first extended module socket body and the left side wall of the second extended module socket body in an inserted mode. An insulation cover plate is arranged on the side wall of the last one of the extended module socket bodies on each side in an insertion connecting mode. Compared with the prior art, the extended combined module power socket is simple in structure, convenient to use, safe and reliable; the number of contacts is reduced; assembly and movement are free and convenient; forward and reverse assembly and disassembly and power supply wiring are realized by means of the central symmetry of a parallelogram; the shapes and the number of the socket bodies can be freely combined as required so that each socket set can be formed, the modules can be moved along with movement of the electric appliances, and the number of the modules can be increased or decreased as the number of the electric appliances is increased or decreased.

The invention discloses a multi-layer flexible wiring board and manufacturing method therefor. The multi-layer flexible wiring board has at least three layers, which is characterized in that the wiring board comprises blind holes which only penetrate part of layer wiring boards and through holes penetrate all layer wiring boards. The invention adopts blind holes and through holes to connect layer by layer of the wiring board, the blind holes only need to drill through part of wiring boards, thereby wiring boards which are not be drilled through increase usable area, not all holes adopt perforated method, aligned deviation ratio between each layer is reduced, the number of joints is reduced, thereby reducing derivtion probability of short curcuits and open curcuits.

The invention provides an embedded processing circuit of an electric control combination of a carrying section, wherein the circuit is applied on the electric control combination to carry out detector function control and detection of relevant feedback signals. According to the electric control combination, functional requirements and characteristics of input and output signals are realized. The embedded processing circuit provided by the invention analyzes circuit design through modularization and mainly comprises an analog signal detection circuit, a state signal detection circuit, an embedded control processing circuit and a secondary electric power supply conversion circuit. The electric control combination of the carrying section converts and conditions digital control commands sent by the ground or a carrier into an analog quantity by an internal embedded DSP chip and then sends the analog quantity to each detector; main functional parameters and internal self-inspection parameters of the detector are collected; and the parameters are sent to a ground detection launch control system by RS-422 balance communications for decoding and analysis.

The invention discloses an elevator safety system. A safety evaluation unit is in communication with a lift car safety node through a first serial bus, is in communication with a control cabinet through a second serial bus, and is connected to an emergency electric operation device through a wire harness; the lift car safety node is connected to a car roof maintenance operation device through a wire harness; the lift car safety node receives a car top maintenance operation function signal, a car roof maintenance uplink confirmation signal and a car top maintenance downlink confirmation signalfrom the car roof maintenance operation device, and sends the car top maintenance operation function signal, the car roof maintenance uplink confirmation signal and the car top maintenance downlink confirmation signal to the safety evaluation unit through the first serial bus; and the emergency electric operation device is used for sending an emergency electric operation function signal, an emergency electric operation uplink confirmation signal and an emergency electric operation downlink confirmation signal to the safety evaluation unit. The elevator safety system is simple and clear in circuit, the number of contacts is reduced, the cost is reduced, meanwhile, the risk of faults is reduced, and the state of the contact of a switch or a button can be diagnosed.

The invention describes a semiconductor component, which is arranged in a semiconductor body (1), with at least one source zone (4) and with at least one drain zone (5) of a first conductivity type in each case, with at least one body zone (8) of a second conductivity type arranged in each case between source zone and drain zone, and with at least one gate electrode (10) insulated relative to the semiconductor body by means of an insulating layer (9), the insulating layer (9) being a consolidated, preferably sintered, layer containing quantum dots. The invention further describes a method of producing such a semiconductor component wherein a dialectric suspension containing quantum dots is applied to a semiconductor body and then consolidated, for example by sintering.

The invention discloses a two-contact electronic cigarette and an authentication method thereof. The two-contact electronic cigarette comprises an electronic cigarette rod and an electronic cigarettecartridge, and two contacts of a first circuit of the electronic cigarette rod and two contacts of a second circuit of the electronic cigarette cartridge are in circuit connection; the two-contact electronic cigarette is used for achieving matching authentication of the electronic cigarette rod and the electronic cigarette cartridge. On the basis of connection of the two contacts, the smoke cartridge receives an authentication command sent by the cigarette rod, encryption calculation is completed; a subcarrier load modulation method is adopted, encryption authentication information is fed backto the cigarette rod, so that information interaction and anti-counterfeiting authentication of the smoke cartridge and the cigarette rod are achieved. Compared with a traditional four-contact or three-contact cigarette cartridge, the two-contact cigarette cartridge has the advantages that the number of contacts is reduced, only one NMOS switch and one load resistor need to be additionally arranged in the internal structure of the two-contact cigarette cartridge, and the production and manufacturing cost of the cigarette cartridge is effectively reduced.

The invention discloses a solenoid valve circuit failure switching and alarming circuit for diesel engine emergency shutdown and a method thereof. The solenoid valve circuit failure switching and alarming circuit is characterized in that the solenoid valve circuit failure switching and alarming circuit comprises an emergency shutdown solenoid valve circuit, an emergency shutdown standby solenoid valve circuit, an emergency shutdown solenoid valve overcurrent switching control circuit, an emergency shutdown solenoid valve undercurrent switching control circuit, a voltage-type relay, a shutdownpower supply failure alarming circuit, an emergency shutdown solenoid valve overcurrent alarming circuit and an emergency shutdown solenoid valve undercurrent alarming circuit, wherein the emergency shutdown solenoid valve circuit is connected with an undercurrent detection current relay and an overcurrent detection current relay in series; and the voltage-type relay detects shutdown power supplyfailure and switches a power supply to a standby power for power supplying. The method is characterized in that in case of shutdown power supply failure, the power supply is directly switched to the standby power for power supplying, and an indicator light conducts alarming and prompting; during undercurrent or overcurrent of an emergency shutdown solenoid valve, the emergency shutdown solenoid valve is switched to a standby solenoid valve for emergency shutdown, and corresponding alarming and prompting of the indicator light are conducted; and during overcurrent of the emergency shutdown solenoid valve, the emergency shutdown solenoid valve circuit is cut off, and short circuit protection is conducted on the emergency shutdown solenoid valve circuit.

The invention discloses a single-level single-line full duplex bus communication method and system. The method comprises the steps that a signal receiving and transmitting end A1 transmits data according to an internal transmission clock F1, monitors the level change of a bus, and analyzes and receives the data; a signal receiving and transmitting end B1 sends data according to an internal transmission clock F2, monitors the level change on the bus, and analyzes the received data; the signal receiving and transmitting end A1 and the signal receiving and transmitting end B1 realize communication through a single line; and the transmission clock F1 > F2* (the length of a data unit + 2). According to the system, single-level single-line full duplex communication is realized by adopting different coding formats and different internal transmitting clocks, so that the number of signal lines is reduced, single-level communication completion can be realized by adopting 0, 1 universal digital level, and the hardware realization difficulty is reduced.

The invention discloses a heating device capable of adjusting a temperature conveniently. The heating device comprises a supporting frame, an air blower, a heating box, a heating assembly, an air pump and an exhaust pipe. The air blower and the heating box are arranged on the supporting frame, the heating box and the air blower are connected, and connecting holes are formed in the heating box. The heating assembly comprises supporting blocks, a plurality of heating units, a second conductor, a conducting wire and moving rods. The supporting blocks are arranged in the heating box, through holes which are coaxial with the connecting holes are formed in the supporting blocks, and first inner threads are arranged on the inner circumferential surfaces of the through holes. Each heating unit comprises a first conductor and heating pipes. Each first conductor is in an annular shape. Second inner threads are arranged on the inner circumferential surfaces of the first conductors, the first conductors in the multiple heating units are arranged sequentially, the axis of each first conductor is coaxial with the connecting holes, and each first conductor is connected with the supporting blocks. According to the heating device, temperature adjusting is convenient, and the using effect is good.

The invention relates to an automatic protection device for steel billet roller ways. Incoming steel billets are conveyed to a weighing roller way through a conveying roller way, wherein a guide device is arranged between the weighing roller way and the conveying roller way adjacent to the weighing roller way, and a guide plate of the guide device is operated by a hydraulic cylinder to ascend and descend to control the ascending and the descending of the steel billets on the conveying roller way; a proximity switch for detecting whether the guide plate ascends and descends or not is arranged on the guide device; a cold metal sensor for tracking and detecting following steel billets is arranged in front of the guide device according to an incoming direction; the proximity switch, the cold metal sensor and the output end of a weigher are connected to a PLC (programmable logic controller) of a conventional roller way control system; one output end of the PLC is connected with a control circuit of the hydraulic cylinder. According to the device, the following moving steel billets are kept out of contact with the steel billet which is weighed, the number of the steel billets contacting with the roller ways and the contact areas of the steel billets and the roller ways are reduced, the magnitude of stress and the stress direction are eliminated, and equipment damage caused by collision between the steel billets is eliminated.

The invention discloses an emergency shutdown electromagnetic valve loop failure switching and alarming circuit of a diesel engine and a method thereof. The circuit comprises an emergency shutdown electromagnetic valve loop which is connected with an undercurrent detection current relay and an overcurrent detection current relay in series, an emergency shutdown standby electromagnetic valve loop,an emergency shutdown electromagnetic valve overcurrent switching control loop, an emergency shutdown electromagnetic valve undercurrent switching control loop, a relay used for detecting the failureof a shutdown power source and switching the shutdown power source to a standby power source for power supply, and an alarm loop under the situations of power loss of the shutdown power source, an emergency shutdown electromagnetic valve overcurrent and an emergency shutdown electromagnetic valve undercurrent; and the method thereof comprises the steps that when the shutdown power source is in failure, the shutdown power source is directly switched to the standby power source for power supply, during an emergency shutdown, when the emergency shutdown electromagnetic valve is in undercurrent orin overcurrent, the emergency shutdown electromagnetic valve is switched to the standby electromagnetic valve for emergency shutdown, when the emergency shutdown electromagnetic valve is in overcurrent, the loop of the emergency shutdown electromagnetic valve is cut off for protection, and during a non-emergency shutdown period, the situation that an overcurrent alarm lamp is turned on not only shows that the emergency shutdown electromagnetic valve loop is in overcurrent, but also shows a failure and a short circuit of the switch module which controls the emergency stop electromagnetic valveloop.

The invention discloses a heating device capable of adjusting a temperature conveniently. The heating device comprises a supporting frame, an air blower, a heating box, a heating assembly, an air pump and an exhaust pipe. The air blower and the heating box are arranged on the supporting frame, the heating box and the air blower are connected, and connecting holes are formed in the heating box. The heating assembly comprises supporting blocks, a plurality of heating units, a second conductor, a conducting wire and moving rods. The supporting blocks are arranged in the heating box, through holes which are coaxial with the connecting holes are formed in the supporting blocks, and first inner threads are arranged on the inner circumferential surfaces of the through holes. Each heating unit comprises a first conductor and heating pipes. Each first conductor is in an annular shape. Second inner threads are arranged on the inner circumferential surfaces of the first conductors, the first conductors in the multiple heating units are arranged sequentially, the axis of each first conductor is coaxial with the connecting holes, and each first conductor is connected with the supporting blocks. According to the heating device, temperature adjusting is convenient, and the using effect is good.

The invention provides a low-noise stamping die and a method. The low-noise stamping die comprises an upper die base and a lower die base, the upper die base is sequentially provided with a plurality of punches, and the lower die base is used for supporting a product blank and conveying the product blank; in one-time die assembly, the plurality of punches are respectively used for punching the product blank, corresponding hole sites with certain areas are formed on the product blank, and the projection areas of the punches on a transmission plane of the product blank are respectively defined as S1, S2, S3,... Sn, wherein the average value of the projection areas is Sp, and the projection areas S corresponding to all the punches are between 90% of Sp and 110% of Sp. According to the low-noise stamping die, the blanking amount is subdivided and even equally divided, it is guaranteed that the projection area S corresponding to a single progressive die sub-die is within a reasonable range, the blanking hole sites with large-contour appearances are subdivided into multiple times of small-component blanking, the blanking amount corresponding to the projection area each time is controlled, then the total noise value obtained after stamping noise of the multi-stage punches are superposed is reduced, the working noise environment is improved, and harm to the body of an operator is reduced.

The present invention discloses a single-level single-wire full-duplex bus communication method and system. The method includes: the signal transceiver terminal A1 sends data according to the internal transmission clock F1, monitors the level change on the bus at the same time, and analyzes the received data; the signal transceiver The terminal B1 sends data according to the internal transmission clock F2, and monitors the level change on the bus at the same time, and analyzes the received data; the signal transceiver terminal A1 and the signal transceiver terminal B1 realize communication through a single line; the transmission clock F1>F2*(data unit length +2). The system realizes single-level single-wire full-duplex communication by using different encoding formats and different internal transmission clocks, which not only reduces the number of signal lines, but also uses 0,1 universal digital levels to achieve single-level communication , reducing the difficulty of hardware implementation.

A capacitive touch panel with single sensing layer has a substrate. The substrate has the single sensing layer formed thereon. The sensing layer has multiple electrode sets. Each electrode set has multiple driving electrode rows and multiple receiving electrode rows arranged alternately. The multiple driving electrode rows of one electrode set have different driving electrodes, but different electrode sets have the same multiple driving electrode rows. The multiple receiving electrode rows of one electrode set are consisted of multiple same receiving electrodes, but different electrode sets have different receiving electrode rows. Therefore, using less contacts can also maintained the area and the solution so that the pins on the IC are also decreased. Thus, the volume of the IC is reduced and the packaging cost is also reduced.

The invention provides a customer return visit task processing method, device and equipment and a storage medium. After a call request from a client is received, or after a return visit instruction isreceived and before the call request is initiated to the client, questionnaire identifiers of all unprocessed return visit questionnaires for the client are inquired, wheein the questionnaire identifiers comprise return visit questionnaire corresponding to unprocessed return visit tasks in a head company system server and / or sub company system servers; and all unprocessed return visit questionnaires of the client are acquired from a database according to the questionnaire identifier, and the unprocessed return visit questionnaires are sent to a target system server to be displayed on terminalequipment of the target system server, so that processing personnel on the terminal equipment side complete all unprocessed return visit tasks of the client according to the return visit questionnaires. All unprocessed return visit questionnaires of a client are obtained, all unprocessed return visit tasks of the client are completed through one call based on the return visit questionnaires, thenumber of times of contact with the client in the return visit process is reduced, and the client experience and the return visit efficiency are improved.

The invention relates to a roller (1) of an epilator head for a motorised epilator, including: a stationary central shaft intended for being rotatably connected to a housing of the epilator; a tubular cage which is rotatably movable about the central shaft and intended for being rotated by a motor of the apparatus and which supports at least one row of tweezers (15) each formed by a stationary blade rigidly connected to the tubular cage and a blade that is moveable between an open position in which the movable blade is separated from the stationary blade and a closed position in which the movable blade is in contact with the stationary blade; control means for moving the movable blades between the open and closed positions thereof during the rotation of the tubular cage about the central shaft, said control means including actuators intended for moving said movable blades using magnetic forces. According to the invention, the moving means include, for each movable blade, an individual leg which is translatably connected to said blade and which is intended for interacting with at least one actuator, at least in order to close the movable blade.

An extended combined module power socket and an application thereof. The extended combined module power socket comprises a single socket, a plugging part in the socket and a power connecting line. A first extended module socket (2) and a second extended module socket (3) are respectively connected to two sides, i.e. the left side and the right side, of a main module socket (1) in the manner of plugging; a plurality of extended module sockets are respectively connected to the right side wall of the first extended module socket and the left side wall of the second extended module socket in sequence in the manner of plugging; the matching design of slots of each module is achieved using the central symmetry of a parallelogram, and the modules move in the directions of the slots; an insulating cover plate (4) which is connected in the manner of plugging is provided on the side wall of the last socket of the plurality of extended module sockets; and three jacks, i.e. the upper jack, the middle jack and the lower jack for a ground line (10), a live line (11) and a null line (12) are provided in grooves which are connected in the manner of plugging at two sides, i.e. the left side and the right side, of each of the main module socket and the first and second extended module sockets at the same distance, and flat spring bidirectional sliding power contacts are provided in the three jacks. The main module socket, the plurality of extended module sockets and bottoms of the shells of the insulator cover plates are provided with a plurality of locating rod locking mechanisms (8). The combined module power socket has a simple structure, is convenient to use, has security and reliability, reduces the number of contacts, is free and convenient to combine and move, and solves the problems of forward and reverse installation and disassembly and power wiring using the central symmetry of a parallelogram; and in each set of sockets, according to demands, the shapes and number of sockets can be combined freely, and the modules can be moved, added and reduced with the movement, addition and reduction of electrical appliances.

The invention discloses an elevator safety system. The safety evaluation unit communicates with the car safety node through the first serial bus, communicates with the control cabinet through the second serial bus, and connects the emergency electric running device through the wiring harness; the car safety node passes through The wiring harness is connected to the car top inspection and running device; the car safety node receives the car top inspection running function signal, the car top inspection up confirmation signal and the car top inspection down confirmation signal from the car top inspection and operation device, and sends them through the first serial bus Send to the safety evaluation unit; the emergency electric running device is used to send the emergency electric running function signal, the emergency electric running up confirmation signal and the emergency electric running down confirmation signal to the safety evaluation unit. The elevator safety system of the present invention has concise and clear circuits, reduces the number of contacts, reduces the cost and also reduces the risk of failure, and can diagnose the state of the switch or button contacts.

The present invention relates to an electric double layer capacitor having a low ESR, and an assembly method therefor. According to the present invention, the electric double layer capacitor comprises: a wound element having a first exposed current collector portion and a second exposed current collector portion; a metallic housing in which the wound element is accommodated so that the first exposed current collector portion is joined to the lower side of the metallic housing to be connected thereto, and having one pair of first through-holes on the upper side thereof; an insulating member arranged inside the metallic housing so as to be located on the upper side of the second exposed current collector portion of the wound element; a first external terminal electrically connected to the first exposed current collector portion of the wound element and to the metallic housing by being inserted into, joined and connected to one of the one pair of first through-holes of the metallic housing; and a second external terminal arranged on the lower side of the insulating member and joined to the second exposed current collector portion of the wound element so as to be electrically connected thereto, and inserted into the other one of the one pair of first through-holes of the metallic housing and caulked so as to be insulated by the insulating member.

Disclosed is a battery. The battery comprises: a charging and discharging module, used for receiving an external charging signal to perform charging or outputting a direct-current signal; a first low-pass filter, used for performing low-pass filtering on a signal from a first path and transmitting the filtered signal to the charging and discharging module, or performing low-pass filtering on the direct-current signal and transmitting the filtered direct-current signal to a power management chip through the first path and a second low-pass filter; an NFC antenna, used for receiving a first NFC alternating-current signal or transmitting a second NFC alternating-current signal; a high-pass filter, used for performing high-pass filtering on the signal from the first path to form the second NFC alternating-current signal, and transmitting the second NFC alternating-current signal to the NFC antenna, or performing high-pass filtering on the first NFC alternating-current signal received by the NFC antenna, and then transmitting the filtered first NFC alternating-current signal to an NFC module through the first path. Also disclosed are a communications terminal and a communications system. By using the present invention, transmission path multiplexing of NFC alternating-current signals and direct-current signals can be implemented.

The invention discloses a separated talking bracelet. A first switch and a first diode are serially connected between a first power supply end and a first contact; a second switch and a second diode are serially connected between a second power supply end and the first contact; cathodes of the first diode and the second diode are both connected with the first contact; a voltage detection circuit is set to output a third control signal to a control end of a third switch according to voltage of a second contact; the third control signal is used for controlling the state of the third switch; the third switch is connected between the second contact and a charge signal output end; and the control end of the third switch is further connected with a button signal output end. Therefore, the first contact and the second contact are multiplexed, the number of contacts for connecting an earphone and a bracelet in the separated talking bracelet is reduced, and contact connection reliability of the earphone and the bracelet is improved.

The invention provides a rotary electric shaver which can easily prevent an outer blade of a plurality of outer blades which is undesirable to be brought into contact with a skin from coming into contact with the skin, by reducing the number of contact times of the outer blades in a head with the skin, even when the shaver is used in a state where the head is substantially parallel to the skin. The rotary electric shaver (1) includes a main body (2) having a drive shaft (4), and a head connected to the main body (2). At least one of a plurality of blade units (19) has a lock mechanism (6) having a fulcrum plate (21), a turning plate (22), a spring (23), and a fixing plate (24), and capable of changing a height position of at least one of outer blades (12) corresponding one-to-one to the blade units (19).

The invention belongs to the technical field of sterilization and disinfection devices, and particularly relates to an intelligent management-control disinfection and disinfection all-in-one machine and a use method thereof. The intelligent management-control disinfection and disinfection all-in-one machine comprises a sterilizing equipment body; a bottom plate is fixedly connected to the inner side wall of the bottom of the sterilizing equipment body; the top of the bottom plate is fixedly connected with a collecting box; a sliding plate is slidably connected into the collecting box; and a plurality of groups of supporting rods are fixedly connected to the middle of the sliding plate. When a user stands in the sterilizing equipment body, the user steps on the top of the sliding plate and the tops of the supporting rods, the sliding plate and the supporting rods slowly descend at the moment, and when impurities on the feet or shoes of the user fall on the supporting rods, the supporting rods slightly incline under the pressure effect of the impurities, so that the impurities on the top partially slide into the collecting box, a large amount of impurities are not left on the sliding plate, so that the contact quantity of subsequent users and the impurities left by the previous users is reduced, and the safety of the sterilizing equipment body after the sterilizing equipment body is used by a plurality of persons is further improved.

The invention discloses a multifunctional paper-surface gypsum board production device. A steam heating device A, a steam heating device B and a steam heating device C are respectively arranged in a material drying device, a boiling furnace and a baking room, and steam exhaust emitting pipes and condensate discharging pipes are correspondingly arranged on the steam heating device A, the steam heating device B and the steam heating device C. The condensate discharging pipes are connected to a condensate collecting barrel arranged on a dispensing device through pipelines, and the steam exhaust emitting pipes are connected to a material pre-drying device arranged at a material yard through pipelines. A gypsum board sidewall paper surface bonding device and a cleaning and drying device for cleaning a circulating conveying belt are arranged on a conveying frame. The multifunctional paper-surface gypsum board production device has the advantages of reducing the cost, improving the productionefficiency and optimizing a production structure.