41results about How to "Does not affect connectivity" patented technology

The invention discloses a power supply connector composed of a plug and a jack, wherein the plug is a cylinder provided with an insulation cylinder core, and at least two electrodes are sheathed on the insulation cylinder core along the direction of a cylinder shaft; the jack is a cylinder-shaped hole, and at least two electrodes are embedded in the insulation hole wall along the direction of the cylinder shaft; the electrodes in the jack correspond to the electrodes on the plug, and the electrodes in the corresponding position thereof form electrical connection after the plug is inserted into the jack. A power supply socket is composed of a housing and jacks, wherein the housing arranges and fixes a plurality of the jacks serving as independent components, and pins in the same position of the jacks are connected in series by leads in the housing. Two or three electrodes of the invention are vertically distributed on the cylinder plug, so that the plug of both two and three electrodes can be inserted into unified jacks with three electrodes, thus overcoming the problem that the traditional plug and socket with two jacks and three jacks can not be used universally.

The invention discloses a fixing and protecting apparatus for an isolating switch secondary mechanism, and relates to the technical field of electric power device protection. The fixing and protecting apparatus includes an isolating switch secondary mechanism and cables which are arranged on two sides of the isolating switch secondary mechanism and are connected to the insulating switch secondary mechanism. A protecting apparatus is provided with a through hole which penetrates the main body of the protecting apparatus and is intended for passage of the cables. The two sides of the protecting apparatus are provided with two cone-shaped grooves which are in communication via the through hole. End parts of two cables extend to the cone-shaped grooves. The insulating switch secondary mechanism is connected to one cable and is disposed at the cone-shaped groove on one side. The cable which is connected to the insulating switch secondary mechanism penetrates the through hole and is connected to the cable which is on the other side of the protecting apparatus. The design of the protecting apparatus enables complete isolation of the insulating switch secondary mechanism, thus realizing effective protection of the insulating switch secondary mechanism. The design of a fixing apparatus enables effective fixing of the cables. The design of T-shaped clamping blocks and an anti-skid ring enable the cables to bear a certain force of drawing and pulling without effecting connecting performances of the insulating switch secondary mechanism.

The invention relates to the field of medical apparatuses, and discloses a portable slipper for operations. The slipper comprises a slipper body by using an EVA texture, the slipper body comprises a slipper top and a slipper sole, and a cushion is fixed to the inside of the shoe sole; the cushion is wrapped with a wearable portion, an inflator is arranged inside a first cavity, and a foot entranceis formed in the top of the slipper body; the foot opening of the slipper body is enclosed by a foot protecting air bag, the foot protecting air bag is communicated with a communicated pipe, and an air inlet pipe is installed on the slipper sole; the air inlet pipe is inserted inside the communicated pipe, the inflator is communicated with a flexible pipe, and the flexible pipe is communicated with the air inlet pipe; a one-way valve is arranged on the air inlet pipe, a limiting opening is formed in the inflator wall, and an inserting hole is formed in the slipper sole, and a limit rod is used for being inserted inside the limiting opening; compared with the prior art, the slipper body adopts the EVA material and is integrally made, water resistance and resistance of sharp device puncturing are achieved by arranging the foot protecting air bag, a better insulation effect is achieved, safety of medical workers is achieved, blood contaminating the slipper is avoided, injuring the humanskin is avoided, and the slipper is applicable to outdoor operations of the medical workers.

The invention discloses a programmable modularized PDMS (Polydimethylsiloxane) microfluidic chip mold system and belongs to the technical field of microfluidics. A plurality of silicon chip mold module mounting areas are arranged on a mold assembling platform; a plurality of bosses are arranged in the middle of the different mounting areas; processed micro structures are arranged on silicon chips;a plurality of silicon chip mold modules with different micro structure patterns are mounted on the mold assembling platform through the bosses. By adopting the system, molds for manufacturing PDMS microfluidic chips are designed and manufactured in a modularization manner, microfluidic chip mold modules with different functions are processed by using the silicon chips, the silicon chips are further arranged and combined by using the mold assembling platform to form a microfluidic chip system mold with complex functions, and finally microfluidic chips are manufactured from PDMS through mold reversing. By adopting the system, the flexibility of the microfluidic chip processing process can be remarkably improved, the chip processing cost can be remarkably reduced, the processing process issimple to operate, and the system is applicable to microfluidic chip manufacturing with single or complex functions on the basis of PDMS materials.

The invention discloses a multilayer testing sampling valve. The multilayer testing sampling valve comprises a mandrel and a shell; the shell is shaped like a cylinder, a channel with a flared section is formed in the lower section of an inner cavity of the shell, a through hole matched with the outer diameter of the mandrel is formed in the top end of the shell, the mandrel with a main liquid channel penetrates through the through hole, two o-shaped sealing rings are embedded in the inner wall of the through hole, the sealing effect is achieved when the mandrel moves up and down in the through hole, a convex ring matched with the inner cavity of the shell is formed on the outer wall, on the lower half part, of the mandrel, two o-shaped sealing rings are embedded in the outer peripheral face of the convex ring, the mandrel, the convex ring and the inner cavity of the shell can form a closed sampling cavity, a mandrel side opening is formed in the side face of the upper portion of the mandrel, when the bottom of the convex ring is located at the bottom of the inner cavity above the flared section, the mandrel side opening is just located between the o-shaped sealing rings of the through hole in the top end of the shell, and the sampling cavity is a closed cavity. According to the multilayer testing sampling valve, switching-on and switching-off are only for a single layer and do not affect communication of a main runner.

The utility model discloses a method for the dynamic update of the address list of the stream control transport protocol, comprising the following steps: after a stream control transmission coupling is built, the end in which an IP address list changes is as a sender; the sender calls heart-beat detection primitive; the IP address list information needed to update is arranged in the parameter of the heart-beat detection primitive; the IP address list information comprises an updating address number, an updating mode and an IP address needed to update; the heart-beat detection information is built by the sender, and a flag field is arranged by the sender to indicate whether the receiver need to update the IP address list received from the sender; the change of the IP address is written in the information field of the heart-beat detection information by the sender, and the information field is sent to the receiver; the maintained IP address list needed to update is judged by the receiveraccording to the flag field of the heart-beat detection information, and the maintained IP address list is updated by the receiver according to the information field. In this way, the dynamic modification of the IP address list in both ends of the coupling is feasible without disconnecting the coupling.

The invention discloses a device packaging structure which has a large effective heat dissipation area and does not generate environmental pollution and consumes less materials. Besides, the invention also discloses a packaging method corresponding to the device packaging structure. According to the invention, the packaging structure comprises a package body, a wafer packaged in the package body, and a pair of leads connected with the wafer and extending out of the package body, the package body is of a cylindrical structure, the leads are led out from the two bottoms of the cylindrical structure respectively; the device packaging structure also comprises a metal shell respectively and correspondingly arranged at two ends of the package body, the connection area is large, the metal shell is electrically connected with the lead at the corresponding end, and is electrically insulated from the metal shell and the lead which are arranged at the opposite side. Based on the structure, the repair and welding of a pin is not necessary when in use, material consumption is small and additional pollution cannot be generated.

The invention discloses an electrowetting device with a spacer and a preparation method thereof. The spacer material is firstly taken, heat-cured under yellow light, and ground to obtain spacer microspheres, and then the spacer microspheres are sprinkled on the coated On the pixel wall material, the pixel wall material is cured again, and then the pixel wall and the spacer are prepared at the same time by one photolithography. The partial structure of the microspheres in the curing area, when the upper substrate and / or the lower substrate are deformed, the spacer is in contact with the upper substrate, which can effectively prevent the internal collapse of the electrowetting device; because the spacer The spacer is obtained by photolithography of microspheres, and the spacer will not affect the connectivity of the polar electrolyte solution; because the pixel wall and the spacer are obtained by one-step photolithography, compared with the preparation of the spacer by two photolithography There is no error chain caused by two lithography alignments, the precision is higher, the process is simpler, and the operation is less difficult.

This invention relates to a reform method for alkalinity of holes for porous vegetation concrete, which confects spraying solution, carries out filming by spraying and film solidification to form a densed macromolecular film layer on the surfaces of the holes, so that the filled soil in the holes is not basified and keeps neutral for a long time, which is suitable for the growing of vegetable roots and does not influence the strength of porous concrete.

The invention provides an air seal offset type bell valve which comprises a valve body, a valve plate and an inflation seal ring, wherein the valve body is provided with a feed opening and a discharge opening, a rotating shaft is penetrated in the valve body, a crank shaft rod is connected onto the rotating shaft, and a buckle ring is connected to a wall of the valve body outside the feed opening; the valve plate is connected onto the crank shaft rod, and a valve plate cover is arranged at the feed opening in a covering manner; and the inflation seal ring is provided with an inflation cavity, and the inflation seal ring is arranged on the buckle ring in a sleeving manner. According to the air seal offset type bell valve, the inflation seal ring can be contacted sufficiently with the valve plate after being inflated, so that a good sealing effect between the valve plate and the feed opening of the valve body is guaranteed.

The invention discloses a method for recovering wireless sensor network connectivity and mainly solves the problem that connectivity loss, caused by node faults, of a wireless sensor network influences the safety reliability of the network. The method is applicable to the dynamic-topological-relation wireless sensor network. The method has the advantages that a finite-state machine model is used to screen and communicate with a dominating set, the state of a node is updated in real time, and an optimal replacement node is selected according to node criticality and distance to replace an original faulted node so as to recover the network state; the method distinguishes node criticality, network energy consumption is reduced, the node state is updated in real time, and the method is adaptive to a dynamic network topology environment.