160results about How to "Guaranteed connection" patented technology

The present invention discloses a tail device and a tail dragging method. The tail device comprises: a tail end row which at least comprises a boom system, a travelling mechanism and a lifting mechanism, wherein the boom system is provided with a lifting mechanism and is supported on the travelling mechanism; and a tailstock which is used for being removably fixed to the lower part of a lifted device, and is provided with lifting holes. In the process of lifting the lifted device from the ground, the lifting mechanism is in hanging connection with the lifting holes, and the lifting holes are located at the end deviating from the ground. When the tail device is use for lifting a device, the center of gravity of the lifted device can be guaranteed to be always located below a connection line between the lifting point of main lifting equipment and the lifting point or the support point of the tail end row. The tail device has the advantages of good security, small weight borne by the tail end row, low lifting cost, etc.

Disclosed is a terminal connecting device for an energy storage module including a busbar having a body portion formed of a plate having a predetermined length stepped at both ends, and a cell terminal mounting portion having an insert hole at each end of the body portion, and a fastening member formed of a plate to secure the busbar by a screw connection with a cell terminal through the insert hole of the busbar, the fastening member having a nut body portion with a hollow at the center and the outer periphery processed in the shape of a nut, and a nut screw portion having a screw thread formed along the inner periphery of the hollow of the nut body portion, wherein the height of the step of the body portion of the busbar corresponds to the thickness of the nut body portion of the fastening member.

An electrical connector includes a plug which is designed as a threaded sleeve for screwing on a union nut or for screwing into a stationary housing component of an electronic device. The external thread of the threaded sleeve has at least one threadless area provided in the plug-in direction into which a matching internal thread of a union nut or of a housing can be plugged in almost completely, in such a way that tightening of the threaded joint is reduced to one half or maximum a full revolution. The construction allows for the use of complete screw threads and thus the combination with standard connectors of the same commercially available size and type of connection.

An electrical connector includes an electrical plug having a threaded sleeve for screwing on a union nut of an electrical socket or for screwing into a stationary housing component of an electronic device. The threaded sleeve includes an external thread not having a threadless area. The union nut includes an internal thread configured for threaded engagement with the external thread of the plug. The internal thread has at least one threadless area.

The invention discloses a miniature electromagnetic broadband vibration energy harvester based on a permanent magnet assay and relates to the technical field of micro-electro-mechanical systems, which comprises an insulating substrate, a planar spiral induction coil, a vibration pick-up structure and a support structure, wherein the insulating substrate, the planar spiral induction coil and the vibration pick-up structure are sequentially fixedly arranged from bottom to top, and the support structure is positioned on the outer sides of the planar spiral induction coil and the vibration pick-up structure and fixedly connected with the insulating substrate. The device can realize the broadband vibration energy harvesting by superposition of various permanent magnets under different vibration states in a circular permanent magnet array which is connected through a spring under the different vibration modes. The permanent magnet array is integrally manufactured by utilizing the micro-structure patterning method; furthermore, as the patterned permanent magnets can have thicker micro-structures, the miniature electromagnetic broadband vibration energy harvester has better energy harvesting and transformation efficiency in comparison with electroplated permanent magnets and is compatible with the IC process and easy to realize the batch processing.

The invention discloses a charging and discharging protection circuit of a lithium iron phosphate battery for an electric automobile. The charging and discharging protection circuit is connected to the positive direct-current output end and the negative direct-current output end of a charger, and is characterized by being provided with an electrically-controlled mechanical switch consisting of a first contactor, a second contactor and a control circuit, wherein the positive and the negative control input ends of the control circuit of the electrically-controlled mechanical switch are connected with the positive and the negative ends of the lithium iron phosphate battery respectively; the normally closed contact of the first contactor and an IGBT1 (Insulated Gate Bipolar Translator 1) constitute a first parallel connection group; the normally closed contact of the second contactor and an IGBT2 constitute a second parallel connection group; reverse fly-wheel diodes are arranged in the IGBT1 and the IGBT2; and the first parallel connection group and the second parallel connection group are connected in series to constitute a combined protection switch. Normal switch-on of a charging and discharging loop is ensured, and arcing caused by switch-off of the normally-closed contacts of the first contactor and the second contactor is avoided. The combined protection switch can be used for separately controlling an overcharging loop and an over-discharging loop, and is particularly suitable for performing charging and discharging protection on the lithium iron phosphate battery of the electric automobile.

Disclosed is an electronic view browsing method, as the electronic view is moved for browse, marking the connecting part that is between the view to be moved and the moved view; as the electronic view is text category electronic document, marking the connecting part that is between the electronic document with the page to be turned and the electronic document with the page turned while performing the page turning of the electronic document; as the electronic view is electronic picture, marking the displayed electronic picture to be moved and the moved displayed electronic picture while moving the electronic picture.

A physical quantity measurement sensor includes: a ceramic package including a plate provided with a flow port through which a fluid to be measured flows; an electronic component including a sensing element housed in the package to detect the pressure of the fluid to be measured having flown through the flow port; a terminal provided on an exterior of the package; a lid attached to a wall of the package; and a metal attachment piece used to attach the package to the mount member, the attachment piece being engaged with the mount member while holding the package.

The invention discloses a CDMA/GPRS/ADSL three-network self-selection communication method which is used in gateway route equipment. The self-selection communication method firstly needs to verify a CDMA/GPRS module on the registered gateway equipment, in order to record specific module model number information; and sets an instruction set matching with the CDMA or GPRS module. The gateway equipment sets a mobile module used in implementation class mobile communication and processing function and an identification module used to acquire the specific module model number information. The invention adopts the mode of sending the module instruction set to identify the module model number so that the terminal equipment can automatically select from the CDMA/GPRS/ADSL according to the prior communication link environment, in order to solve the limitations caused by the single network access mode and guarantee network normal linkage effectively.

The invention relates to an underwater sealing wall penetrating structure. A flange plate at one end of a wall penetrating sleeve is in sealed connection with an underwater sealing cabin, a sealing plug connected with the inner wall of the wall penetrating sleeve in a sealed abutting manner is contained in the end, and the end is in threaded connection with a sealing screw sleeve. The other end ofthe wall penetrating sleeve is in threaded connection with a pressing screw sleeve. One end of the pressing screw sleeve is inserted into the wall penetrating sleeve and is connected with the inner wall of the wall penetrating sleeve in a sealed abutting manner, the other end of the pressing screw sleeve is located outside the wall penetrating sleeve, a sealing plug is contained in the other endof the pressing screw sleeve, and the other end of the pressing screw sleeve is in threaded connection with a sealing screw sleeve. A pressing wedge is contained in the wall penetrating sleeve and located between the pressing screw sleeve and the sealing plug contained in one end of the wall penetrating sleeve. An underwater photoelectric composite cable sequentially penetrates one sealing screw sleeve, one sealing plug, the pressing screw sleeve and the pressing wedge. The outer surface of the pressing wedge is connected with the inner wall of the wall penetrating sleeve in an abutting manner, and the inner surface of the pressing wedge is of a tooth structure achieving axial fixing with the underwater photoelectric composite cable. The underwater sealing wall penetrating structure does not depend on vulcanization sealing, watertightness inside and outside the cabin is guaranteed in a mechanical sealing manner, and mounting and separating of the photoelectric composite cable and the cabin can be conveniently achieved.

The invention provides a food and beverage delivery method based on big data. In the method, food delivery is conducted preferentially by means of a deliveryman delivery mode, since several deliverymen receive orders and conduct delivery in familiar areas in combination with non-motor vehicle delivery, the delivery cost is saved, and the delivery efficiency is improved; then, a shared vehicle platform is introduced to the food delivery method, the far-distance delivery requirement is met, the social resource utilization rate is improved compared with a traditional vehicle delivery method, andthe delivery efficiency is further improved; finally, by means of the method, the delivery routes and delivery time are reasonably evaluated and scheduled, the connection of all links in the food delivery process is ensured, and the delivery timeliness is satisfied to the maximum extent.

An improved plug connector (100, 200) is characterised by the following features: the electrical outer conductor contacting section of the outer conductor (113, 213) of the plug (100, 200) is designed to run separately in the radial direction from the axial stop, such that the high frequency signal path formed on the inner wall of the outer conductor (113, 213) between the outer conductor (113, 213) of the plug connector (100, 200) and a further outer conductor (213, 113) of a further plug connector (200, 100) for connection thereto runs over the electrical contacting device running in the radial direction and the mechanical action axial stop on the connector or plug side of the plug connector (100, 200) is provided outside the high frequency signal path provided by the radial contacting device.

The invention discloses an accompany-type teaching auxiliary acquisition laser pen. The pen comprises a pen body and a recording seat. An infrared light emitter and a camera are arranged on the upperend of the pen body. The camera is parallelly connected with the infrared light emitter. An operation button is arranged on the pen body. A power supplying contact is arranged on the pen body and is electrically connected with a charging cell. An insertion hole is arranged in the recording seat. The pen body is in insertion cooperation with the recording seat. The operation button is arranged on the upper end of the recording seat. The position where the lower end of the pen body is aligned to the lower end of the recording seat is the first position. The position where the operation button isseparated from the insertion hole is the second position. A recording assembly is arranged in the recording seat. Sound receiving holes are uniformly distributed to the place, near the lower end, onthe circumferential wall of the recording seat. An upper moving contact and lower moving contact are arranged on the inner wall of the insertion hole. The upper moving contact is used for contacting with the power supply contact to conduct the circuit so as to allow the recording assembly to work in the first position. The lower moving contact is used for contacting with the power supply contact to conduct the circuit so as to allow the recording assembly to work in the second position. The laser pen has the function of a laser pen and is capable of acquiring image sound information.