59results about How to "Avoid connection errors" patented technology

The present invention relates to a loudspeaker, which is used in a mobile communication device such as a portable phone and includes two loudspeakers in one casing, and provides the loudspeaker having stable characteristics (e.g., a sound-pressure frequency characteristic). According to the loudspeaker of the present invention, yoke (3A) is integrated by insert-molding in molding frame (1C). Thus, inserting variations caused by connecting variations, which is generated between the frame and the yoke in assembling a conventional loudspeaker, can be restricted.

A fan system is provided which keeps a record of the electric connection between a battery ECU and an accessory battery and starts a fan if it is determined based on the record that the electric connection between the battery ECU and the accessory battery was just in an unconnected state.

The invention relates to a programmable free-splicing electronic building block module, which comprises a power supply module, a control module and functional modules, wherein the functional modules comprise one or more of an interaction module, a communication module, a detection module and an execution module, the modules can be connected through a bus in any order, the modules are unified in interface type, and the modules are electrically connected through fool-proof mechanism interfaces. Therefore, there is no need to involve too much boring underlying knowledge for students, the interests of the students are fully mobilized, and the imagination of the students is given into full play. The design of the invention does not need to involve the underlying knowledge, thereby dispensing alot of theoretical learning in the preliminary stage, enabling users to focus on implementation of functions in the preliminary stage, and learning step by step under the premise of cultivating the interests.

The invention is concerned with parameter collocating method and device of antenna equipment. It sets antenna tin-in global identity information of beforehand set main station equipment and the corresponding relationship between antenna equipment identity information and collocating parameter information. When renewing the style of antenna equipment of appointed antenna or refurbishes the antenna equipment of appointed antenna tin-in, the main station scans to get the identity information of antenna equipment connecting with corresponding antenna tie-in and confirm antenna equipment needed parameter collocating from the get antenna equipment. Use the corresponding relationship between the beforehand set identity information of antenna equipment and collocating parameter information to dispose the parameter collocating about antenna equipment automatically. It realizes the purpose to enhance the automatism of main station and avoids inputting UniqueID of antenna equipment by hand, the parameter collocating of antenna equipment by hand and the operation workload of main station.

The invention relates to a pressure sensor applied to a vehicle stability control device, which is aimed at providing a pressure sensor characterized by stable connection with the circuit board of an electronic control unit, non-welding simple connection structure and stably installation, thereby preventing the interrupt of signal transmission or electronic connection caused by vibration, and the like. The pressure sensor is further aimed at providing a pressure sensor having the advantages of allowing the pressure sensor to be stably connected to the circuit board by means of the improved internal structure, preventing connection error, easily assembling and absorbing transverse vibration. Based on one of the goals of the invention, a pressure sensor is provided, which is installed in a hydraulic unit and is contacted with the circuit board of the electronic control unit to sense brake oil pressure. The pressure sensor comprises a contact terminal with a press fit terminal formed on the circuit board of an electronic control plate, a press fit part capable of glidingly and movably contacting with the press fit terminal, and a spring connecting the press fit part and the press fit terminal.

According to the disclosure, a power sub-assembly (3) for a micro-hybrid system (1) in an automobile includes an AC-DC converter (8) with a transistor bridge (13), an energy storage device (10) and a power bus (9) including at least two cylindrical conductors (22, 22′). According to the disclosure, conductors (22, 22′) include respective coaxial cylindrical surfaces (23, 23′). The power bus integrated in the power subassembly allows for a parasitic inductance that is by far lower than that of the standard cables in power subassemblies of the prior art, particularly in order to avoid overvoltage at the terminals of the transistors in the AC-DC converter.

A contactor comprises, for each phase, a pair of contact devices which comprise a connection strip and at least two conductors provided with a stationary contact, and a movable contact bridge able to close the two stationary contacts or not. According to the invention, the contact device is formed from superposition of a number of pieces equal to the number of conductors, each piece comprising one of the conductors and a connection part corresponding to the connection strip but of smaller thickness. Each of the pieces can be made from folded metal. The connection parts are coupled to one another to form the connection strip by means of holes at the same time as the sets of bars are secured thereto.

The invention discloses a low torsion moment ball valve for a fuel gas vertical pipe, which is a ball valve with novel sealing structure; a valve body is connected by a screw thread so as to reduce the weight of the valve; a sealing ring is arranged in a sealing groove on the valve body so that the sealing ring does not fall off at any state, the reliability of the valve is ensured, the torsion of the valve opening and closing is reduced, simultaneously a slotting disk spring is used for providing the pre-pressure of the valve, and a specially designed sealing ring greatly reduces an operating torsion; and after the sealing ring is burned at high temperature, the slotting disk spring pushes a sphere so that the sphere is contacted with an auxiliary valve body so as to form a metal hard seal which avoids the internal leakage of the valve and has the fire prevention function. In addition, a special designed valve opening mechanism prevents the possibility of incorrect operations.

The invention relates to the technical field of packaging, and particularly relates to a connector and an LED lamp bar applying the connector. The connector comprises a shell which is provided with two lamp bar interfaces and two conductive wire interfaces. The two lamp bar interfaces are used for being connected with two LED lamp bars. The two conductive wire interfaces are used for being connected with two conductive wires. The shell is internally provided with a male terminal and two female terminals. The two ends of the male terminal are respectively provided with a male contact and a second male contact. One end of the two female terminals is respectively provided with a first female contact and a second female contact. The first male contact and the first female contact, and the second male contact and the second female contact are respectively arranged in the two lamp bar interfaces. The other end of the two female terminals is respectively provided with two wire packaging pins which are respectively arranged in the two conductive wire interfaces. The LED lamp bar applies the connector. One end of the LED lamp bar is provided with positive electrode bare copper and negative electrode bare copper. The positive electrode bare copper and the negative electrode bare copper are respectively connected with the male contact and the female contact in one lamp bar interface.

Provided in the invention is a charging detection system of a battery pack. The charging detection system comprises a charging module, a common bus positive end, a common bus negative end, a relay, a batter pack formed by a plurality of battery modules, and a circuit detection system. The common bus positive unit is connected with a positive terminal of the battery pack; and the common bus negative unit is connected with a negative terminal of the battery pack. The common bus positive unit is provided with positive branch lines that are connected with positive electrodes of the battery modules, wherein the number of the positive branch lines are identical with that of the battery modules; and the common bus negative unit is provided with negative branch lines that are connected with negative electrodes of the battery modules, wherein the number of the negative branch lines is identical with that of the battery modules. According to the technical scheme, when charging equipment is used for charging the battery pack, a short circuit phenomena caused by relay aging can be effectively avoided; secure switching of the battery modules in the large battery pack can be realized; the connection error of the charging circuit can be prevented; inverse charging of the battery can be avoided and the direct short-circuit phenomenon can be prevented; security during the whole charging process can be ensured; and the human life and property security can be protected.

The invention discloses a life support system for a large-depth underwater target. The life support system comprises a sonar array, an integrated plug device, an acoustic beacon and an integrated plugsocket which are mounted on the underwater target, and a laying and recycling device, a centralized control device, an emergency air source device and an emergency power supply device which are mounted on a water surface platform, wherein the integrated plug device is respectively connected with the laying and recycling device, the centralized control device, the emergency air source device and the emergency power supply device through a combined umbilical cord; the integrated plug device is connected to an ROV (Remotely-Operated Vehicle). After the underwater acoustic communication is established by using the sonar array and the acoustic beacon to determine the position information of the underwater target, the ROV is controlled to move and rotate by using the centralized control deviceso as to insert the integrated plug device and the integrated plug socket; gas transmission, liquid transmission, electric energy transmission and data transmission are performed with the underwater target through the combined umbilical cord so as to implement state monitoring and material replenishment for the large-depth underwater target.

The invention relates to the technical field of wireless communication, and provides an antenna test system, method and device, electronic equipment and a storage medium, and the system comprises a radio frequency device for outputting a radio frequency signal and a to-be-tested multi-port antenna, and especially comprises a control device, a switching device and at least two power dividers. Eachpower divider is connected with the switching device and the radio frequency device; the control device is connected with the switching device and used for determining a target power divider meeting test requirements according to current test requirements and controlling the switching device to enable the target power divider to be connected with the to-be-tested multi-port antenna. A plurality ofpower dividers corresponding to the test requirements are adopted, the on-off condition of the switching device is controlled according to the test requirements, and the target power divider meetingthe requirements can be connected with the to-be-tested multi-port antenna, so that different working states of the to-be-tested multi-port antenna can be automatically tested, the overall test efficiency is improved, a connection error caused by disassembly and assembly can be avoided, and the test accuracy is improved.

A teleconferencing system such that misconnection between a teleconference terminal and a communication controller is prevented, the use of the communication controller is optimized, and the conference condition can be set / modified through the teleconference terminal. Information about a first connection destination number is given to the teleconference terminal, an an ID number and password and given to each conference attendance. Information about the application of having a conference, the ID numbers and passwords of the conference attendances are recorded in a reception terminal when the reservation for the conference is made. When the application is accepted, the teleconference terminal sets up a connection to the reception terminal by using the first connection destination number and transmits the information about the ID numbers and passwords.

Articles are magnetically tagged by a spatial distribution of passive magnetic elements. Each such magnetic element comprises a layer of soft magnetic material characterised by high permeability, low coercivity and a non-linear B-H characteristic, and formed as a discrete region of such material. Each such magnetic element also has at least one second layer of magnetic material capable of being permanently magnetised at least in a region adjacent the first layer to provide a magnetic bias for the magnetic element. The bias of individual such magnetic elements in the spatial distribution and the particular spatial nature of the distribution enables the article to be magnetically encoded.

A fan system is provided which keeps a record of the electric connection between a battery ECU and an accessory battery and starts a fan if it is determined based on the record that the electric connection between the battery ECU and the accessory battery was just in an unconnected state.

The present invention relates to a bushing on the front end of which an inflatable bag is provided and the inflatable bag is connected with the inflatable bag control device through a pipe, and the inflatable bag control device is used for supplying and deflating air to enlarge or shrink the bag. The characteristic resides in that: the midway part of the pipe is connected with a liquid collecting tank.

The present invention provides an air blower through which ejected air is free of dust and the like. The air blower (1) is provided with a main body (2) and a dedusting part (3). The main body comprises a main part (5) and a scroll air supplying part (7). A motor (4) is disposed in the main part. A centrifugal fan (6) is in-built in the air supplying part and a cylindrical ejecting port (24) is formed in the air supplying part. The dedusting part can be mounted on the main body in a removable manner. The main body and the dedusting part are arranged in an up-down manner. The dedusting part is mounted at the upstream side of the centrifugal fan. The motor is disposed in the main body in a manner that the rotating axis (4A) of the motor is longitudinal, and the ejecting port protrudes transversely from the periphery of the air supplying part, and therefore dust in the dedusting part at the upstream side of the centrifugal fan is removed, dedusted air is ejected from the ejecting port, and the ejecting position is not contaminated by dust or the like. The rotating axis of the motor is longitudinally arranged so that the overall air blower is longitudinally long, can be hung on shoulders through shoulder belts and can be easily used.

The invention relates to a novel residual-current circuit breaker. The novel residual-current circuit breaker is composed of breaker modules and an electric leakage module. The two sides of the electric leakage module are provided with the breaker modules, an electromagnetic coil is fixed into shells of the breaker modules through a supporting plate, the supporting plate is embedded in the position between the electromagnetic coil and an arc extinction sheet, the end, close to a wire outlet terminal, of the supporting plate is fixedly provided with a transverse metal sheet in a welding mode, one end of the metal sheet is connected with the electromagnetic coil in series, the other end of the metal sheet is connected with an upper wire in a welding mode, the fixing end of the wire outlet terminal is connected with a lower wire in a welding mode, the corresponding position of the spliced plane of the breaker modules and the electric leakage module or the corresponding position of the spliced plane of the breaker modules are provided with wire through holes, and the upper wire and the lower wire enter the electric leakage module through the wire through holes and wind around a zero sequence mutual inductor to be welded and fixed. According to the design, wiring is shortest, the structure is more reasonable, and the appearance is symmetrical and attractive.

The invention discloses a direct-current brush motor. A PCB comprises a carbon brush circuit board and a Hall circuit board which are arranged on the two sides of a carbon brush holder, and a BDLEMI filter is welded to the surface, away from the output end of a motor shaft, of the carbon brush circuit board through a chip mounter; one end of a power supply positive wire, one end of a power supply negative wire, the other end of the first carbon brush connecting wire and the other end of the second carbon brush connecting wire are all welded with the carbon brush circuit board by wave soldering; a plurality of flat Hall elements tightly attached to the surface of the Hall circuit board close to a magnetic ring are welded on the surface of the Hall circuit board by adopting the chip mounter, the magnetic ring is arranged at the output end of the motor shaft, and the magnetic ring is axially magnetized; each Hall element is electrically connected with a plurality of signal lines through a first junction box which is fixed on the Hall circuit board in advance; and a metal screw rod grounded with the carbon brush circuit board and the Hall circuit board fastens the two metal end covers on the grounded metal shell. The carbon brush assembly of the direct-current brush motor is simple and rapid to assemble, high in production efficiency and capable of greatly improving the product yield on a production line.

The invention provides a novel wiring board. The novel wiring board comprises a base and a plurality of terminal connecting devices. The base is in a step shape. Each step is provided with one terminal connecting device. Each terminal connecting device comprises a plurality of control wire terminal modules and a plurality of power terminal modules, all sets of control wire terminal modules are horizontally arranged and are parallel to one another, and the upper set of control wire terminal module and the lower set of control wire terminal module adjacent to each other are not located on the same vertical center line. The power terminal modules are horizontally arranged below the control wire terminal modules. Each control wire terminal module comprises a first inserting hole, wherein the first inserting hole is internally provided with a control wire terminal. Each power terminal assembly comprises a second inserting hole, wherein the second inserting hole is internally provided with a power terminal. The novel wiring board has the advantages that the structure is simple, installing is easy, errors are not likely to be made, space is saved, the number of the terminals is large, and the using efficiency is high.

The invention relates to a single-pipe single-wire construction material and a construction method for circuit transformation of a home decoration project. Its construction materials include: galvanized wire pipe and accessories - ∮10×1.0×3.8m galvanized wire pipe; ∮10 galvanized wire pipe straight head, screw joint; ∮10 galvanized wire pipe elbow; galvanized metal Junction box; PVC flame retardant wire tube and accessories; ∮10×1.0×2.5mPVC flame retardant wire tube; ∮10PVC flame retardant hose;∮10PVC flame retardant wire tube straight head and screw joint;∮10PVC flame retardant wire tube elbow ; Dedicated blue PVC flame retardant box and junction box, etc. Construction piping includes ground piping, wall surface and ceiling piping, socket line piping, etc., as well as piping and threading forms, line pipe fixing methods, wiring threading standards, wiring box installation standards, and wall and ground wiring groove standards. The invention effectively solves the difficult problem in the construction of electric wire pipelines in concrete walls.

The invention discloses a push-down self-locking connector, which includes a plug assembly and a socket assembly. The plug assembly includes a plug bearing plate with a plurality of pins. The box body is eccentrically connected with a round pie-shaped puller on the bearing seat; the socket assembly includes a socket bearing plate arranged under the pin plate, and the socket bearing plate is provided with a support assembly for connecting with the puller and a For the jack plate that matches with multiple pins, the push-down self-locking connector in this solution only needs to press down the pressing arm, and the puller rotates eccentrically relative to the bearing seat, and the eccentrically rotated puller drives the plug assembly Relative to the socket assembly, it moves in a straight line to realize the connection and separation of the plug assembly and the socket assembly. The connection of the connector can be realized without manually aligning the plug and the socket. The operator does not directly touch the connector, avoiding electric shock and reducing operation. Work hazard factor for personnel.

The invention provides a rotary transformer, which is characterized in that signal lines and windings are both connected with binding posts so as to realize signal transmission between the signal lines and the windings and improve the reliability of signal transmission between the signal lines and the windings; a signal wire harness is fixedly connected with a protective cover, the impact force borne by the signal wire harness is transmitted to an insulating framework matched with the first protective cover through a first protective cover in the using process instead of being directly transmitted to a connecting point of the signal line and the binding post, the connecting strength of the connecting point is enhanced, and the mechanical vibration resistance of the connecting point of thesignal line and the binding post is improved; furthermore, the signal lines are fixedly connected with the protective cover in advance according to a certain sequence, so that connection errors occurred when the signal lines are connected with the binding posts are avoided, the connection sequence of the signal lines does not need to be further sorted during connection, the production efficiency is improved, and the production intensity is reduced.

The invention relates to a testing device for debugging daily timing error of an electric energy meter, which comprises a control mainboard, a clock tester, an upper computer and a testing device, and is characterized in that the testing device comprises a supporting plate bracket and a baffle bracket, the baffle bracket is provided with a plurality of mounting tables, the mounting tables are provided with a plurality of meter positions, and the meter positions are arranged on the supporting plate bracket. The meter position comprises a plug thimble and a terminal post, the end part of the plug thimble is provided with an elastic needle head, the electric energy meter is fixed on the meter position, the mounting table is provided with a first connector lug, the baffle plate support is provided with a through hole, and the baffle plate support is provided with a second connector lug. An integrated circuit, a toggle switch, a second connector lug, a first wiring terminal female seat and a second wiring terminal female seat are arranged in the control mainboard, the testing device is connected with the control mainboard through the first connector lug and the second connector lug, and the testing device is convenient to install, easy to operate and high in testing efficiency.

The invention relates to the technical field of packaging, and particularly relates to a connector and an LED lamp bar applying the connector. The connector comprises a shell which is provided with two lamp bar interfaces and two conductive wire interfaces. The two lamp bar interfaces are used for being connected with two LED lamp bars. The two conductive wire interfaces are used for being connected with two conductive wires. The shell is internally provided with a male terminal and two female terminals. The two ends of the male terminal are respectively provided with a male contact and a second male contact. One end of the two female terminals is respectively provided with a first female contact and a second female contact. The first male contact and the first female contact, and the second male contact and the second female contact are respectively arranged in the two lamp bar interfaces. The other end of the two female terminals is respectively provided with two wire packaging pins which are respectively arranged in the two conductive wire interfaces. The LED lamp bar applies the connector. One end of the LED lamp bar is provided with positive electrode bare copper and negative electrode bare copper. The positive electrode bare copper and the negative electrode bare copper are respectively connected with the male contact and the female contact in one lamp bar interface.

The invention belongs to the machinery technical field and relates to a temporary connection system of aerial cables. With the temporary connection system adopted, technical problems such as inconvenient temporary connection of existing aerial cables can be solved. The temporary connection system comprises a positive-pole cable and a negative-pole cable; the positive-pole cable includes a positive-pole conductor and two sections of positive-pole sheaths, wherein the positive-pole conductor is sleeved with a corrugated tube A and a corrugated tube B; the negative-pole cable includes a negative-pole conductor and two sections of negative-pole sheaths, wherein the negative-pole conductor is sleeved with a corrugated tube C and a corrugated tube D; the temporary connection system also comprises a connection bracket; the connection bracket is provided with a positive-pole contact and a negative-pole contact; one end of the positive-pole contact is in contact with the positive-pole conductor, and the other end of the positive-pole contact is connected with a positive-pole external connection wire; and one end of the negative-pole contact is in contact with the negative-pole conductor, and the other end of the negative-pole contact is connected with a negative-pole external connection wire. The temporary connection system of the invention has the advantages of convenient connection and the like.

The invention discloses a backlight light bar adapter plate which comprises an adapter plate body, the adapter plate body comprises a first adapter face and a second adapter face opposite to the first adapter face, the first adapter face is provided with light bar adapter ports corresponding to light bars in number and position in a one-to-one mode, and the second adapter face is provided with at least one control adapter port; and the switching circuit is arranged on the switching plate body and is connected with the light bar switching interface and the control switching interface. The backlight light bar adapter plate is provided with light bar adapter ports corresponding to the light bars in number and position in a one-to-one mode so as to be connected with the connecting ends of the light bars in a one-to-one correspondence mode. The controller is provided with a control adapter to be connected with a control panel; according to the adapter plate, the adapter circuit is arranged on the adapter plate body, the light bar adapter ports and the control adapter ports are connected through the adapter circuit, the light bars and the control panel are connected, excessive connecting wires do not need to be arranged to connect the light bars and the control panel, the use number of the connecting wires is reduced, assembly of the backlight module can be simplified, and the backlight module is more convenient to use. Finally, the research and development and production cost of the backlight module is reduced.

The invention provides a charging detection system for a battery pack, which includes a charging module, a common bus positive, a common bus negative, a relay, a battery pack composed of several battery modules, and a circuit detection system. The common bus is positively connected to the positive terminal of the battery pack, The negative terminal of the common bus bar is connected to the negative terminal of the battery pack; the positive side of the common bus bar has the same number as the battery modules and is connected to the positive pole of the battery module, and the negative side of the common bus bar has the same number as the battery modules and is connected to the negative pole of the battery module. Negative branch lines. After using the technical solution provided by the present invention, when using the power supplement equipment to supplement power to the battery pack, the circuit short circuit phenomenon caused by the aging of the relay can be effectively avoided; the safe switching of the battery modules in the large battery pack can be satisfied, and the connection error of the charging circuit can be prevented , avoid recoil to the battery and prevent direct short circuit, ensure the safety of the entire charging process, and protect the safety of life and property.