97 results about "Contact protection" patented technology

A first connection apparatus for electrically connecting a first conductor to a second conductor, where the first conductor is assigned to the first connection apparatus and the second conductor is assigned to a second connection apparatus, the first connection apparatus comprising the first conductor, an electrically insulating protective cover for insulating the first conductor, an electrically conductive coupling component for electrically coupling the first conductor to the second conductor, and a spacer device.

Connector, in particular module connector, in particular battery module connector, in particular for vehicles with an electric drive, comprising a first connecting element which can be electrically conductively connected to a second connecting element, the first connecting element having a socket with an axially extending shaft with a through-opening and a radially extending collar, and wherein a screw element and a contact protection element are arranged on the first connecting element, wherein the contact protection element is arranged on the side facing the collar.

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation structure and a circuit breaker contact protection box, which comprise a main body, a heat dissipation groove arranged on the surface of the main body and a drainage groove penetrating through the main body and used for guiding air circulation of the heat dissipation groove. The heat dissipation device has the advantages that an object needing heat dissipation is directly in contact with the body, heat is directly transmitted to the body in a heat conduction mode, the heat dissipation surface of the surface of the object needing heat dissipation is expanded, meanwhile, air flow circulation is guided through the complementary holes, and the heat dissipation efficiency is further improved.

The utility model relates to the technical field of circuit boards, and discloses a circuit board interface connecting structure which comprises a board body, a plurality of sliding grooves are formed in the left side edge of the top end of the board body, limiting grooves are formed in the bottom ends of the sliding grooves, sliding columns are connected to the inner walls of the sliding grooves in a sliding mode, and limiting blocks are fixedly connected to the bottoms of the outer walls of the sliding columns. A sliding piece is slidably connected to the lower middle portion of the outer wall of the sliding column, a connector piece is fixedly connected to the outer wall of the sliding piece, a pressed plate is fixedly connected to the top of the connector piece, and a locking plate is rotatably connected to the top end of the sliding column. According to the utility model, the outer wall of the sliding column is connected with the interface piece through the sliding sheet and the pressed plate, when the interface piece is installed, the sliding column slides into the sliding groove, rotates and locks the limiting block in the limiting groove, and the pressed plate is extruded and the sliding column is lifted through the locking screw, so that the locking is completed, the circuit board is prevented from being contacted with the screw, the circuit board is protected, the disassembly and assembly are convenient, and the connection requirement is met.

The utility model belongs to high -voltage distribution cabinet valve mechanism technical field, concretely relates to a valve device of high -voltage distribution cabinet, including high -voltage distribution cabinet body and the static contact of installing in high -voltage distribution cabinet body inner wall, the inner wall of high -voltage distribution cabinet body is connected with the upper guide plate, one side of upper guide plate is connected with the upper movable baffle, the utility model discloses when taking out in high -voltage distribution cabinet body in circuit breaker, personnel pull the pull rod on the surface of locking block through the tool at this time, the linkage block is moved in the inside of fixed plate at this time, the guide block of upper movable baffle and lower movable baffle two ends is along fixed plate sliding at this time, the upper movable baffle and lower movable baffle limit the shelter of static contact at this time, when the upper movable baffle and lower movable baffle completely shelter static contact at this time, the plugboard is embedded in the locking slot of fixed plate one side place at this time, thereby the stability of convenient movable upper movable baffle and lower movable baffle is improved, and the effect of static contact protection is improved.

The invention relates to the technical field of electronic equipment charging management, and particularly discloses a Bluetooth earphone charging box charging method and system, and the method comprises the steps: periodically obtaining a charging contact actual measurement impedance value and an earphone battery parameter; a contact quality factor is calculated by analyzing an impedance value and a battery parameter change trend, time decay weighting is carried out on a historical sequence of the contact quality factor to generate a state prediction value, then the prediction value and a measured value are fused in a self-adaptive mode, and a filtering impedance value is output to filter instantaneous interference; in the sliding time window, comparing the filtering impedance value with a preset reference range, and comprehensively calculating an out-of-limit time ratio, an instantaneous variable quantity and a range in the window so as to identify a stable contact state or an unstable fluctuation state; executing control according to an identification result: in a stable state, fully charging, namely physically powering off; when the state is identified as an unstable fluctuation state, entering a contact protection mode through a multi-stage confirmation process, and only recovering after the connection is continuously stable; the charging reliability and safety are improved, and the service life of the battery is prolonged.

The utility model discloses a protective heating film for an automobile lithium battery. The protective heating film comprises a heating film main body, the protection mechanism is arranged on the side of the heating film main body, and the protection mechanism is used for carrying out anti-abrasion protection on the exterior of the heating film main body; a lead; the wire is sleeved with the protection sleeve, the protection sleeve is used for shielding and protecting the wire, the protection mechanism comprises a first protection plate, and the first protection plate is located on the side of the heating film body; the second protective plates are fixedly connected between the adjacent first protective plates; and a third guard plate. According to the utility model, the first protective plate, the second protective plate, the third protective plate, the square groove, the rubber column and the positioning piece are matched with one another, and the first protective plate, the second protective plate and the third protective plate are used for blocking the outside of the heating film main body so as to prevent the outside of the heating film main body from directly contacting with an automobile lithium battery shell and the like; and direct contact prevention protection on the exterior of the heating film main body is facilitated, so that anti-abrasion protection on the exterior of the heating film main body is realized.

A blower unit (300) for a suction device (100) is described. The blower unit (300) comprises a blower (200) configured to generate a suction airflow (240) during operation along a flow direction that runs from the intake side to the exhaust side of the blower unit (300). The blower unit (300) further comprises a blower housing (250) in which the blower (200) is arranged, and an intake-side bearing (303) and an exhaust-side bearing (304) for supporting the blower (200) on the inside of the blower housing (250).Furthermore, the blower unit (300) comprises a protective element (302) arranged on the intake-side bearing (303), which is designed to be permeated by the suction airflow (240) and to provide contact protection for the blower (200), wherein the protective element (302) is arranged on the intake-side bearing (303) such that the protective element (302) has a distance (420) to the inside of the blower capsule (250) when the blower (200) is in operation.

The utility model discloses a low -voltage switchgear contact protection device, include: sleeve, sleeve is fixed in the outside of movable contact, and sleeve forms protection to the lower part of movable contact, folding cover is set up in the upper end of sleeve, and folding cover forms protection to the upper part of movable contact, top ring is set up in the upper end of folding cover, and movable contact and static contact combine when top ring is contacted in the contact box end part of static contact and makes folding cover fold. Through the combination design of sleeve and folding cover, the upper part and the lower part of movable contact are all formed effective protection, in the movable contact moving process, sleeve and folding cover can prevent its direct collision or friction with other components in switch cabinet, avoid the scratch, deformation and so on mechanical damage of movable contact surface, thereby guarantee the good contact performance of movable contact and static contact.

The utility model relates to a contact protection box of a control switch, which comprises the control switch, a contact protection box seat, a contact protection box cover and a sealing waterproof ring, the contact protection box cover is provided with a control switch mounting hole and a wiring hole, and the contact protection box cover is nested in the contact protection box seat in an interference fit manner. A plurality of box seat buckles are arranged on the contact protection box cover, buckle bosses are arranged at positions, corresponding to the box seat buckles, on the contact protection box seat, and the box seat buckles and the buckle bosses are assembled in an inverted fastening manner. The contact protection box is simple to disassemble and assemble, space is saved, the protection effect of a sealing box can be achieved, the extreme requirement that cost is relatively low can be met, the contact is wrapped to achieve the sealing effect without affecting assembling, the contact protection box is provided with a positioning groove, a client and a client installation panel are installed in the same direction, and installation is easy through a buckle.

The invention relates to a pump device (1), in particular a magnetically coupled pump device, comprising: an interior space (11) formed by a pump housing (2) of the pump device (1); a spacer sleeve (10) which tightly seals the chamber (12) surrounded by the spacer sleeve from the inner space (11) formed by the pump housing (2); a connecting flange (27) formed on the spacer sleeve (10) for fastening to the pump housing (2) or a component associated with the pump housing (2), in particular a housing cover (4); the impeller shaft (13) can be driven to rotate around the rotating shaft (A); an impeller (16) arranged on one end of the impeller shaft (13); an inner rotor (17) arranged on the other end of the impeller shaft (13); and an outer rotor (24) interacting with the inner rotor (17). The connecting flange (27) has a contact protection device (35). Disclosed together with Figure 1.

The invention relates to an isolating switch contact protection system, which comprises a base, a pair of post insulators distributed in parallel are arranged on the base, and a moving contact and a static contact finger are mounted on the two post insulators; the moving contact is installed on the corresponding post insulator through cooperation of a conducting rod, the moving contact is installed at the end of the conducting rod, and the end of the side, away from the conducting rod, of the moving contact is further connected with a protective cover through cooperation of a connecting rod. The static contact fingers are installed on the corresponding post insulators through cooperation of a contact finger installation seat, the contact finger installation seat comprises an installation base, a pair of side plates distributed in parallel are installed on the installation base, the top ends of the side plates are further connected with a pair of movable protection plates, and the sides, away from the moving contact, of the side plates are further connected with a pair of fixed protection plates. According to the protection system provided by the invention, through the joint cooperation of the protection cover, the movable protection plate and the fixed protection plate, the moving contact and the static contact finger of the isolation switch can be effectively protected from being coated with ice and snow under extreme weather conditions.

The invention relates to the technical field of high-voltage line deicing, in particular to a high-voltage line deicing system with adjustable pressure, which comprises a walking mechanism and a deicing execution mechanism mounted on the walking mechanism, and further comprises a pressure adjusting device, a pressure detection mechanism and a central controller, the pressure adjusting device is connected between the walking mechanism and the deicing executing mechanism. The system can automatically adjust pressure according to the thickness and hardness of an ice layer, the pressure is increased to ensure the deicing effect when the ice is thick, and the pressure is reduced and even is separated from contact when the ice is thin or no ice exists, so that a wire is protected; the safety is high: by setting the pressure upper limit, the potential damage to the electric wire caused by overlarge mechanical pressure is fundamentally avoided, and the operation safety is improved; the deicing efficiency is high, deicing is conducted at the optimal pressure all the time, repeated operation or invalid operation caused by insufficient pressure is avoided, and the deicing efficiency is improved.

The utility model discloses a kind of electric shock protection structure of charging pile switchboard, it is related to charging pile switchboard technical field.The utility model includes switchboard, the door plate is hingedly installed in switchboard front, the door plate front is fixedly connected with danger warning board one, the door plate inside is rotatably connected with pivot, the pivot is also set in switchboard front opening bottom, further include: protection part, the protection part is installed in the inside of switchboard.The utility model is by setting protection part, specifically is that plastic protection plate is installed to the plastic support frame of top and bottom, plastic protection plate is limited and fixed on plastic support frame, when door plate is opened, then plastic protection plate will shield inside electrical component, avoid staff or outsider directly with wiring terminal contact, protect user not to be threatened by electric shock, and safety warning board two will remind staff danger, facilitate staff to do protection measure in advance.

Connector (100) for a high-voltage plug connection (10) for the electrical connection of high-voltage components, in particular an electric drive system of a motor vehicle, which has at least one electrical contact arrangement, where the contact arrangement - at least one contact element (102); - a first inner protective element (104) which is arranged inside the contact element and projects beyond the contact element (102); and - a first outer protective element (108) which at least partially surrounds the contact element (102) and protrudes from the contact element (102), wherein the first inner protective element (104) and the first outer protective element (108) form a touch protection for the contact element (102), characterized in that the contact element (102) has an annular contact surface which is inclined and / or bent with respect to a longitudinal axis (L) of the high-voltage connector (10).

A contact pin for an electrical plug includes a contact element formed of an electrically conductive material and a contact protection formed of an electrically non-conductive material and at least partially enclosing the contact element. A cooling channel system conducting a cooling fluid is formed in the contact protection. The cooling channel system has a cooling fluid supply and a cooling fluid return connected to the cooling fluid supply in a fluid conducting manner. The fluid cooling channel extends to a distal end of the contact element that faces a mating plug matable with the electrical plug.

The invention discloses a semiconductor device and a preparation method thereof, the semiconductor device comprises a substrate, an active layer, a trench gate, a source electrode and a protection structure, the active layer is arranged on one side of the substrate along the thickness direction, the active layer comprises an epitaxial layer, a well region and a source region, the trench gate is formed by extending from the surface, deviating from the substrate, of the epitaxial layer towards the substrate direction, and the protection structure is arranged on the surface of the trench gate. The trench gate at least penetrates through the well region; the source electrode is arranged on one side, opposite to the substrate, of the epitaxial layer, covers at least part of the source region and forms ohmic contact; the protection structure is arranged on one side, opposite to the substrate, of the epitaxial layer, and an isolation dielectric layer is arranged between the protection structure and the epitaxial layer; wherein the protection structure comprises a first doped region, a second doped region and a third doped region which are arranged along the direction far away from the source electrode, the conduction type of the first doped region is the same as that of the third doped region, the conduction type of the first doped region is opposite to that of the second doped region, the first doped region and the source electrode form ohmic contact, and the third doped region is electrically connected with the trench gate.

The invention relates to a contact protection (1) for a busbar system, comprising a contact protection housing (2) made of electrically insulating material, wherein the contact protection housing (2) has multiple receptacles (3) for busbars (4) and a cover (5) covering the receptacles (3) for the mounting of connection adapters (20), wherein the cover (5) has at least one row of through-openings (6) per receptacle, which open into the respective receptacle (3), characterized in that at least one sensor arrangement (30) for determining a physical measurement variable with respect to at least one of the busbars (4) is arranged in the contact protection housing (2). The invention also relates to a corresponding measuring arrangement.

The utility model relates to the technical field of electric appliance accessories, in particular to an LED switching power supply of a broken contact protection assembly, which comprises a blocking main body, a broken contact assembly, a driving assembly, an induction assembly and a heat dissipation assembly, the front end of the blocking main body is connected with a switching power supply main body, the upper end of the blocking main body is provided with two grooves, and the heat dissipation assembly is arranged in the grooves. The heat dissipation assembly comprises a fixing frame, a first motor and fan blades, a plurality of threading channels are formed in the blocking body, openings are formed in the threading channels, the broken contact assemblies are arranged on the left side and the right side in the openings, and each broken contact assembly comprises a first clamping rod, a second clamping rod and an insulating sheet; the induction assembly comprises an induction strip and a plurality of wires. According to the utility model, the LED lamp bead can be protected from being damaged by over-current and over-voltage through the broken contact assembly, the maintenance cost is reduced, the work can be automatically recovered once an abnormal condition is removed, and the maintenance cost is reduced.

The invention discloses an aging test board and test equipment, and relates to the technical field of semiconductor manufacturing. The aging test board comprises a supporting structure and a circuit board arranged on one side of the supporting structure, a high-temperature-resistant coating is further arranged on the side, away from the supporting structure, of the circuit board, the circuit board comprises a base layer, a circuit layout, an access end and a protective layer, the circuit layout and the access end are arranged on the base layer, the protective layer is coated on the circuit layout, and the base layer is in contact with the supporting structure. The protective layer and the high-temperature-resistant coating are provided with openings corresponding to the access ends, so that the access ends are exposed through the openings. According to the aging test board and the test equipment, the stability and the reliability of the aging test board in a high-temperature environment can be improved.

The utility model relates to the technical field of electronic component production, and discloses welding equipment for electronic component production, which comprises a support bottom plate and a welding head, a processing table is fixed at the right position of the top of the support bottom plate, and a mounting piece is assembled at the lower position of the other side edge of a pressing plate. The processing table is fixedly arranged on the right side of the top end of the supporting bottom plate, the baffle is fixed on the right side of the top end of the processing table, and after the first rubber pad is fixed on the side edge of the baffle, right-side gear limitation can be formed by the baffle, so that when the electronic component is placed, one side edge of the electronic component is in contact with the first rubber pad; and then the handheld part is held to enable the sliding shaft to move along the reserved groove, so that the pressing plate can be gradually close to the other side edge of the electronic component and is in contact protection by the second rubber pad, and then the mounting piece is fixedly connected with the machining table by adopting a bolt, so that the overall limiting capability is better improved in the working process.

The invention relates to the technical field of carbon slide plate transportation equipment, in particular to a carbon slide plate transfer device. The device comprises a transfer assembly, and the transfer assembly comprises a transfer frame and a lifting mechanism installed in the transfer frame; the protection hole completely protects the gas pipe joint in the bearing seat and prevents the gas pipe joint from being in contact with the outside; the carbon strip is protected in the protection groove and is prevented from being in contact with the outside; the air pipe joint and the surface of the carbon strip are prevented from being easily damaged due to scraping, vibration or collision in the transfer or storage process; according to the scheme, the containing groove can limit the bent section of the carbon sliding plate, the protection hole can protect the air pipe connector, rapid and accurate placement of the carbon sliding plate is achieved, and the placement efficiency can be effectively improved; and a plurality of bearing seats and clamping plates are arranged in the transfer frame from top to bottom, so that a plurality of carbon slide plates can be transferred in a centralized manner, the quantity of single transfer and the space utilization rate of storage are greatly improved, and the transfer frame is suitable for batch transfer and storage.

The invention provides an electronic device. The electronic device comprises a panel, a protection plate and a machine shell. The panel has a first surface and a second surface. The protection plate is arranged above the panel and is provided with a third surface and a fourth surface. The casing comprises a first side cover and a second side cover. The third surface of the protection plate is attached to the second surface of the panel, and a first flow channel is arranged between the panel and the first side cover, so that the first airflow flows between the first surface and the first side cover. The fourth surface of the protection plate is close to the second side cover, and a second flow channel is arranged between the protection plate and the second side cover, so that the second airflow contacts the fourth surface of the protection plate.

The invention discloses a medical ultrasonic probe device with a protective structure, which belongs to the technical field of medical equipment and comprises a body with a crystal arranged on a detection end face; the air inlet end of the flow guide channel is located on the detection end face, the flow guide channel comprises an air inlet section, an acceleration section and an air outlet section, the acceleration section is a gradually-shrunk flow channel, and the sectional area of the flow channel is gradually decreased in the direction from the air inlet section to the air outlet section. Through the air bag, the flow guide channel and the protection plate, millisecond-level response in the falling process is achieved through pneumatic triggering, impact energy is directionally dissipated to a non-sensitive area in real time through dynamic deformation shield topological unfolding and crystal area full-time-domain protection field construction, and therefore the crystal surface stress is reduced, zero-contact protection in the whole falling process is achieved, and the safety of the crystal is improved. In the falling process of the device, the detection head is effectively prevented from facing downwards, and crystals collide with the ground and are broken.

The utility model provides a two-way non-contact anti-falling device for a three-dimensional warehouse carrier. The two-way non-contact anti-falling device comprises a first baffle movably installed at a goods taking opening of each layer of a three-dimensional warehouse, a second baffle movably installed on a goods carrying table of an elevator and a driving mechanism installed on the goods carrying table. The driving mechanism acts after receiving a first signal of the operation control end, and resets after receiving a second signal of the operation control end; the driving mechanism drives the first baffle and the second baffle to move to reset to the first state or act to the second state. Through the arrangement of the first baffle and the second baffle, the first baffle and the second baffle can be sensed through the obstacle avoidance radar on the carrier when the carrier enters and exits the elevator and has dispatching accidents, bidirectional non-contact protection is achieved when the carrier is not in place, and the first baffle and the second baffle are prevented from being damaged due to collision; after the elevator reaches the target layer of the three-dimensional warehouse, the first baffle and the second baffle fall down through the driving mechanism, and in-place passing of the carrier is achieved.

To provide a plug-in system with a plug-in part (1) and a receiver part (101), in which a plug-in part housing of the plug-in part (1) is inserted into a receiver part contact chamber (121) which is bounded externally by a receiver part housing of the receiver part (101), such that a plug-in part contact surface (61) of a plug-in part contact (15) of the plug-in part (1) is in contact with a receiver part contact surface (145) of a receiver part contact (115) of the receiver part (101), and in which the plug-in part contact surface (61) and the receiver part contact surface (145) are pressed against each other by means of a pressing force applied by a screw arrangement of the plug-in system (1000), preferably in its tightened state, by means of which a higher electrical power can be transmitted,The housing base body (105) of the receiving part housing has an access opening for rotary actuation of the screw, and the screw assembly has a protective cap (211) as a contact protection element, which is connected to the screw head (207) on the side of the screw head (207) facing away from the screw shank (203), wherein the receiving part (101) has an access sleeve (109) which is arranged on the outside of the housing base body (105) of the receiving part (101) and defines an outer sleeve opening which is aligned with the access opening, and wherein the plug-in system (1000) has a sealing cap (221).

The invention relates to a safety system for securing an operating region of a production plant, comprising a control device and at least one contactless protection device, by means of which, in the operating mode of the safety system, the safety of the operating region of the production plant can be ensured by means of the control device and the protection device. By forming a protection field spaced apart from the operating area, the operating area of the production plant is defined at a safety boundary, and in the event of a breakthrough of the safety boundary, the safety system can be shifted into an alarm state in which the control device can provide a control signal to the production plant. The purpose of the present invention is to provide a solution for ensuring the safety of a possible rear step-in area by means of an operating area boundary formed by a non-contact protection device (BWS). According to the invention, the solution to achieve the above-mentioned object is that the position of the non-contact protection device (2.1, 2.2, 2.3) for ensuring the safety of a rear step-in area (4) of the production plant, which is formed by a distance between an operating area (1.1) and a safety boundary (1.2) in the operating mode, can be adjusted by driving, and the position of the non-contact protection device (2.1, 2.2, 2.3) can be adjusted by the driving of the non-contact protection device (2.1, 2.2, 2.3) in order to ensure the safety of the rear step-in area (4) of the production plant, which is formed by the distance between the operating area (1.1) and the safety boundary (1.2). According to the invention, the protection field (5.1 a, 5.1 b, 5.2a, 5.2b, 5.3a, 5.3b) generated by the contactless protection device (2.1, 2.2, 2.3) can be guided at least in sections through the rear access area (4) in a starting mode of the safety system by means of the drivable adjustment of the contactless protection device (2.1, 2.2, 2.3).

A blower unit for a suction device has a blower, which is embodied to effect a suction-air flow along a flow direction running from the suction side to the exhaust-air side of the blower unit during operation. The blower unit furthermore has a blower capsule in which the blower is arranged, and a suction-side bearing and an exhaust-air-side bearing for supporting the blower on the inner side of the blower capsule. In addition, the blower unit contains a protective element arranged on the suction-side bearing, which is embodied to be flowed through by the suction-air flow and to provide contact protection for the blower. The protective element is arranged on the suction-side bearing in such a way that the protective element is at a distance from the inner side of the blower capsule when the blower is in operation.

The utility model provides a ventilation structure, a cover plate assembly and an energy storage device, and relates to the technical field of energy storage. The ventilation structure comprises a protection main body and a holding part, wherein the protection main body is used for covering an anti-explosion valve of the energy storage device; the holding part is arranged on the side, away from the anti-explosion valve, of the protection body, and the holding part is configured to move in the direction away from the anti-explosion valve and used for separating the protection body from the anti-explosion valve. When the protection body needs to be replaced due to sinking or other quality problems, the holding part provides operation positions such as holding for a user, the user pulls the holding part to move in the direction away from the protection body, the holding part drives the protection body to synchronously move, and the protection body is rapidly torn. And by utilizing the holding part, the reworking action of tearing the protection body is conveniently realized, and the reworking efficiency is improved. In the process, a user only directly contacts with the local range of the holding part and does not contact with the protection body, the situation that the anti-explosion valve is scrapped due to misoperation is reduced, and the rejection rate of the anti-explosion valve is reduced.

The utility model belongs to contact protection technical field especially relates to a big current contact protection device, including the fixed bottom disc that is provided with fixed hole, the top of fixed bottom disc is installed with two -way drive assembly, two rotary ends of two -way drive assembly are installed with semicircular plate one and semicircular plate two respectively, and the opposite end of semicircular plate one and semicircular plate two is set up with connecting groove one and connecting groove two respectively. This big current contact protection device, through two -way drive assembly can drive semicircular plate one and semicircular plate two carry out synchronous rotation simultaneously, need not to rotate semicircular plate one and semicircular plate two twice, has simplified the process of assembly and disassembly, is favorable to the efficiency of subsequent maintenance, and, when blocking semicircular plate one and semicircular plate two and draw together, both sides magnetic strip one is in the merging contact state, and the two magnetic strip one carries out the magnetic adsorption to the draw together of semicircular plate one and semicircular plate two and reinforces, is favorable to preventing semicircular plate one and semicircular plate two separate, improves the stability of protection.