11results about How to "Prevent creepage" patented technology

The utility model relates to the technical field of electronic control devices, in particular to a relay. The relay comprises a first shell, an insulating cover and a silencing pad, the first shell is positioned on one side of the insulating cover; the insulating cover is used for covering the contact part of the main contact; a fixing area is arranged between the first shell and the insulating cover, and a silencing pad is arranged in at least part of the fixing area. By optimizing the structure of the relay, noise transmitted from the top of the relay to the outer side can be reduced, and the user experience is improved.

The microswitch is characterized in that a housing is provided with an accommodating cavity, and a first conducting strip, a second conducting strip and a third conducting strip are accommodated in the accommodating cavity; the driving piece is contained in the containing cavity and comprises a pressing part and a fixing part, the pressing part is connected with the fixing part, the pressing part penetrates through the shell and extends to the outside, and the fixing part is provided with a fixing cavity; the reset piece is contained in the containing cavity, abuts against the driving piece and gives reset force to the driving piece; the reed assembly is contained in the fixing cavity, one end of the reed assembly is electrically connected with the first conducting strip, a first clamping groove is formed in the other end of the reed assembly, the second conducting strip and the third conducting strip are both located on the motion trail of the first clamping groove, and the reed assembly is detachably connected with the driving part; the reed assembly is installed in the fixing cavity, the linkage effect between the reed assembly and the driving piece is achieved, the reed assembly and the driving piece are detachably connected, assembling is more convenient and simpler, and therefore the assembling efficiency is improved.

The utility model relates to an active circuit breaker of a new energy automobile, and relates to the technical field of circuit breakers, the active circuit breaker of the new energy automobile comprises an inner base, a connecting assembly, a pushing assembly and a signal assembly, the connecting assembly is arranged on the inner base, and the connecting assembly comprises a copper bar; the copper bar is arranged on the inner base, and two ends of the copper bar are electrically connected with an external circuit respectively; the pushing assembly is arranged at the upper end of the connecting assembly; and the signal assembly is arranged at the upper end of the pushing assembly and is electrically connected with an external signal, and the signal assembly can control the pushing assembly to move after receiving the external signal so as to disconnect the copper bar. The circuit breaker is used for solving the problem that an existing circuit breaker is slow in response and prone to risks under low-current breaking.

The utility model relates to the technical field of semiconductor power module discloses a silicon controlled module's heat dissipation base plate and silicon controlled module, wherein the upper surface of heat dissipation base plate is provided with a plurality of recess, recess sets up between the pressure joint of pole piece and the outgoing section and the connection department's just below between adjacent pressure joint, the area of recess is greater than or equal to the projection area of connection department on heat dissipation base plate. The heat dissipation base plate can increase the creepage distance between the connection department of pole piece and the upper surface of heat dissipation base plate, thereby avoiding the creep phenomenon between the connection department of pole piece and heat dissipation base plate. At the same time, since the distance between heat dissipation base plate and pole piece and semiconductor chip is not increased as a whole, the heat dissipation distance of semiconductor chip will not be increased, so the heat dissipation efficiency of silicon controlled module will not be affected. The recess can also increase the heat exchange area of heat dissipation base plate and silicon controlled module inside, improve the heat exchange efficiency of silicon controlled module.

The utility model provides a battery top cover. The battery top cover comprises a top cover plate; the lower plastic is provided with a first through hole and a second through hole; the pole component comprises an upper pole and a lower pole; the upper pole and the lower pole are connected in a welding manner; the upper plastic is arranged between the top cover plate and the upper pole so as to insulate and separate the upper pole from the top cover plate; the flange part extends outwards from the main body part in the radial direction, and is positioned in a gap between the upper pole and the top cover plate in the vertical direction; and the main body part penetrates through the first post terminal through hole and the first penetrating hole and is positioned on the outer side of the upper post terminal so as to seal a gap between the lower plastic and the upper post terminal. According to the secondary battery top cover disclosed by the utility model, the flange part is arranged at the upper end of the sealing ring, so that the creepage phenomenon between the upper pole and the top cover plate can be prevented, and the safety performance of the battery top cover is improved.

The utility model relates to a kind of simulation high-altitude stator winding slot part and end fixing device, and it relates to a kind of stator winding fixing device;To solve the problem of poor anti-clogging stability of existing test device winding.For the multiple of the simulation core fixing plate of the new type, and multiple simulation core fixing plate is stacked along the length direction of stator bar;Wherein, stator bar includes upper layer stator bar and lower layer stator bar;Through the screw rod, simulation core fixing plate is fixed;Simulation core fixing plate upper end is opened with stator core slot;Upper layer stator bar and lower layer stator bar are respectively set in stator core slot with the way of overlapping up and down;Layer interlayer pad is placed between upper layer stator bar and lower layer stator bar;Insulating box is lapped in the end of stator bar.It is beneficial to improve the stability of winding anti-clogging.

The invention provides a non-contact contact group for a switch machine, which realizes the non-wiring and non-contact effects in the switch machine, and comprises a static contact group, the static contact group comprises a signal acquisition piece installed in the switch machine, and a control unit and a wiring terminal which are installed in a magnetic shielding box outside the switch machine; the signal acquisition piece is connected with the control unit through a cable assembly so as to transmit a switching signal of the movable contact column to the control unit, and then the control unit connects or disconnects an electrical loop of the wiring terminal. The signal acquisition and control unit is physically isolated, particularly, wiring looseness caused by narrow installation space, high frequency and long-time vibration in a traditional switch machine is avoided, the wiring reliability is ensured, meanwhile, the defects existing in the switch machine due to looseness of a binding post and interference with other conductive parts are overcome, and the service life of the switch machine is prolonged. The working reliability is ensured, and the creepage or arc discharge phenomenon is avoided. The electromagnetic compatibility is good, the service life is long and the reliability is high.

The utility model discloses an S iron core shot package creepage distance increasing structure, which comprises an iron core main body, the mechanical strength of the iron core main body is increased through an outer layer arranged at the external position, an inner layer is fixed at the inner side position of the iron core main body, and the inner layer improves the magnetic conductivity of the iron core main body. A magnetic fluid channel is arranged at the inner position of the iron core main body, the magnetic fluid channel leads to the outer layer from the inner layer, the surface position of the inner layer is coated with a silicon resin coating in order to increase heat resistance, the silicon resin coating is evenly smeared on the surface of the inner layer, a groove is formed in the upper position of the right end of the iron core main body, and the silicon resin coating is evenly smeared on the surface of the inner layer. According to the device, the injection molding length of the original S injection package is increased to 0.3 mm from 0.1 mm, the S injection package exceeds and shields the S iron core, insulation separation processing is carried out, the creepage distance is increased, insulation paper does not need to be inserted, working hours are reduced, the injection molding length of the S injection package is increased, the S iron core is separated, creepage is prevented, and a poor stator is prevented.

The utility model relates to a fixing buckle of a confluence terminal and a battery cell confluence assembly, the fixing buckle of the confluence terminal comprises two installation parts which are respectively used for installing two adjacent confluence terminals, and the two installation parts are arranged at an interval along the arrangement direction of the two adjacent confluence terminals; each installation part comprises an end plate and two clamping plates arranged on the end plate in a spaced mode, an installation groove is defined by the end plate and the two clamping plates, a groove opening of the installation groove of one installation part is opposite to a groove opening of the installation groove of the other installation part, and a connecting plate is arranged between the end plate of one installation part and the end plate of the other installation part. An isolation groove is defined by the connecting plate and the two end plates. The structure is beneficial for increasing the creepage distance between two adjacent bus terminals, and the creepage phenomenon can be effectively avoided. And moreover, the component size can be prevented from being increased in the thickness direction of the convergence terminal, and the overall space utilization rate can be improved.

The split-type on-load switch fixing device for the 35kV dry-type transformer comprises a rectangular supporting frame, the supporting frame adopts two stand columns, a cross beam is fixed at the top ends of the stand columns, and the lower ends of the stand columns are fixed on a bottom plate of a transformer box body or a ground foundation; an on-load switch operating mechanism box and a grounding device are mounted on one of the upright posts; an A-phase switch fixing support, a B-phase switch fixing support and a C-phase switch fixing support are installed on the cross beam, the A-phase switch fixing support, the B-phase switch fixing support and the C-phase switch fixing support are spaced by a certain distance, and an A-phase switch, a B-phase switch and a C-phase switch are installed on the A-phase switch fixing support, the B-phase switch fixing support and the C-phase switch fixing support respectively. An operating mechanism box of the on-load switch is connected with a cross rod through a transmission shaft and an adapter, and the cross rod is respectively connected with an A-phase switch, a B-phase switch and a C-phase switch. The beneficial effects are that the connection between the winding outgoing line terminal and the lead of the on-load switch is facilitated, and the problem of creepage between phases is prevented by the mode that the three-phase switch and the three phases of the transformer are oppositely arranged.