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

Charging and communication collinear system and earphone product

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.
Owner:GEER TECH CO LTD

Extended combined module power socket and application

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.
Owner:SHANGHAI PINYI IND DESIGN

Elevator safety system

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.
Owner:SHANGHAI MITSUBISHI ELEVATOR CO LTD

Two-contact electronic cigarette and authentication method thereof

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.
Owner:WUHAN RUINAJIE ELECTRONICS TECH

Solenoid valve circuit failure switching and alarming circuit for diesel engine emergency shutdown and method thereof

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.
Owner:JIANGSU UNIV OF SCI & TECH

Heating device capable of adjusting temperature conveniently

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.
Owner:上海绚莱电气有限公司

An automatic protection device for billet roller table

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.
Owner:BENGANG STEEL PLATES

Emergency shutdown electromagnetic valve loop failure switching and alarming circuit of diesel engine and method thereof

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.
Owner:JIANGSU UNIV OF SCI & TECH

A heating device with convenient temperature adjustment

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.
Owner:上海绚莱电气有限公司

Low-noise stamping die and method

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.
Owner:珠海加特精密工业有限公司

Customer return visit task processing method, device and equipment and storage medium

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.
Owner:TAIKANG LIFE INSURANCE CO LTD +1

An extended combined module power socket and its application

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.
Owner:SHANGHAI PINYI IND DESIGN

Electric double layer capacitor having low esr, and assembly method therefor

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.
Owner:SAMHWA ELECTRIC

A kind of battery, communication terminal and communication system

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.
Owner:HUAWEI DEVICE CO LTD

Intelligent management-control disinfection and sterilization all-in-one machine and use method thereof

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.
Owner:无锡工源自动化技术有限公司
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