CN111508778A

CN111508778A - Aviation direct current distribution relay

Info

Publication number: CN111508778A
Application number: CN202010503231.XA
Authority: CN
Inventors: 林琳; 周跃飞
Original assignee: Civil Aviation Flight University of China
Current assignee: Civil Aviation Flight University of China
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-08-07

Abstract

The invention discloses an aviation direct-current distribution relay, which comprises a top shell, wherein an attraction plate is arranged below the top shell, an elastic restoring piece is arranged between the attraction plate and the top shell, an extension fixing rod is arranged on the side surface of the attraction plate, the extension fixing rod is hinged with a telescopic buffer assembly, an electric wire fixing frame is arranged below the attraction plate, a first electrified wire and a secondary electrified wire are fixedly wound on the electric wire fixing frame, the first electrified wire and the secondary electrified wire are wound on the electric wire fixing frame to form a spiral coil, upper tightening assemblies are arranged at the upper ends of the first electrified wire and the secondary electrified wire, lower tightening assemblies capable of tightening the electrified wires are arranged at the lower ends of the first electrified wire and the secondary electrified wire, and the first electrified wire and the secondary electrified wire penetrate through the lower tightening assemblies and are connected to a lower electric cabinet; through increasing secondary circular telegram line and with the taut mode of winding on first magnetic flux core of first circular telegram line and secondary circular telegram line to keep the power supply of aircraft stable, the effectual emergence probability that reduces aircraft power supply incident.

Description

Aviation direct current distribution relay

Technical Field

The invention relates to the field of aviation power distribution equipment, in particular to an aviation direct-current power distribution relay.

Background

The normal power supply of the airplane is provided by driving a generator by an engine, when the output of the generator can not meet the load requirement, the requirement of electric equipment can be met only by auxiliary power supply of an airplane storage battery, for example, when an engine starter, an undercarriage retraction hydraulic pump, a flap retraction motor, a landing light and other heavy loads are started, when the large loads are overlapped to work or when a certain large load works for a long time, due to the limitation of the capacity of the storage battery, the output of a left generator and a right generator is automatically cut off by a generator voltage regulator, at the moment, the storage battery supplies power. As the voltage of a power grid drops, the current becomes smaller, the magnetic flux cannot resist the restoring force of the spring, the relay contacts are separated, the circuit is disconnected, the power failure accident of the whole aircraft occurs, particularly the accident which often occurs to a small navigation aircraft, after the power failure of the whole aircraft, all electric equipment on the aircraft stops working, the aircraft loses the functions of communication, navigation, light, environmental control, auxiliary power operation and the like, and the subsequent flight of the aircraft is completed only by the personal experience and the capability of a pilot; if the aircraft engine is non-gravity fed, the engine will be starved for fuel pump stalling, which can be catastrophic.

The problem that the contact of the relay is separated when the magnetic flux becomes small is not effectively solved by a corresponding equipment structure in the prior art, when the problem occurs, the voltage is increased artificially usually, so that the holding current is large enough, the magnetic flux can ensure the restoring force of an effective resisting spring, when an airplane flies in the air, any fault is not allowed to occur, so that the safety of the whole airplane personnel is ensured, the relay is controlled to be closed and unstable only in a mode of increasing the voltage at present, how to stably enable the relay to be in a closed state, and the problem that the flight fault is caused by the disconnection of the relay in the flight of the airplane is solved urgently in the field of aviation power distribution equipment is avoided.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, due to the limit of the capacity of a storage battery in the power supply of an airplane, when the storage battery is independently supplied with power, due to the starting voltage division of equipment such as a starter, the voltage can be rapidly reduced, the current is reduced, the magnetic flux is reduced, the magnetic force cannot resist the restoring force of a spring, the contact of a relay is separated, and a circuit is disconnected.

The purpose of the invention is mainly realized by the following technical scheme:

an aviation direct-current distribution relay comprises a top shell, wherein an attraction plate is arranged below the top shell, an elastic restoring piece is arranged between the attraction plate and the top shell, one end of the elastic restoring piece is fixedly connected with the attraction plate, the other end of the elastic restoring piece is fixedly connected with the top shell, an extension fixing rod is arranged on the side surface of the attraction plate, one end of the extension fixing rod is hinged with the attraction plate, a telescopic buffer component is arranged at the other end of the extension fixing rod, the extension fixing rod is hinged with the telescopic buffer component, an electric wire fixing frame is arranged below the attraction plate, a group of first electrified wires and a plurality of groups of secondary electrified wires are fixed on the electric wire fixing frame in a winding mode, the first electrified wires and the plurality of groups of secondary electrified wires are sequentially distributed on the electric wire fixing frame in a staggered mode and are wound to form spiral coils, a first magnetic core is sleeved in each spiral coil, and upper ends of the first electrified wires and the plurality of groups of secondary electrified wires are, the first electrified wire and the plurality of groups of secondary electrified wires penetrate through the upper tightening assembly and are connected to the upper electric cabinet, the lower ends of the first electrified wire and the plurality of groups of secondary electrified wires are provided with lower tightening assemblies capable of tightening the electrified wires, and the first electrified wire and the plurality of groups of secondary electrified wires penetrate through the lower tightening assembly and are connected to the lower electric cabinet.

At present, an aviation direct current distribution relay mainly comprises a generator or a storage battery output relay, in the direct current distribution relay in the prior art, a spiral electromagnet is usually adopted to control the on-off of the relay, the spiral electromagnet mainly comprises an iron core and an electrified coil wound around the iron core, in practical application, through the connection of a power supply of the electrified coil, a magnetic field is formed by the electrified coil and a magnetic induction line on the iron core, so that an attraction switch is closed, however, because a large load in a power grid is put into operation, such as the starting of equipment such as a starter, the voltage of the power grid can be rapidly reduced in a short time, the current can be rapidly reduced along with the voltage, the magnetic attraction formed mainly by the magnetic flux can not resist the restoring force of a spring, the contacts of the relay can be separated, the integral direct current distribution circuit can be disconnected, the power failure of the whole machine can occur, and in order to ensure that the, the elastic restoring piece is a restoring spring, the first electrified wire and the plurality of groups of secondary electrified wires are respectively coiled on the first magnetic flux core, the plurality of groups of secondary electrified wires are connected with large-scale equipment such as a starter, the plurality of groups of secondary electrified wires are connected with the electric cabinet when the starter is connected, the electrified wires on the first magnetic flux core can be effectively increased, the increased magnetic attraction force can firmly keep the relay in a closed state, the first electrified wires and the plurality of groups of secondary electrified wires are distributed on the first electrified core at intervals, the problem that the different electrified wires distributed in a staggered mode are too far apart is avoided, the stability of the magnetic attraction force is guaranteed, the elastic restoring piece only adopts the small-interval close staggered distribution of the first electrified wires and the plurality of groups of secondary electrified wires, and the problem that the area occupied by each group of electrified wires on the first magnetic flux core with the same size is too small due to the excessive number of coiled electrified wires is avoided, the first electrified wire can not provide enough magnetic attraction, the magnetic attraction can be improved to the best state on the basis of occupying the least magnetic flux core area, the utilization rate of the first magnetic flux core is effectively improved, the return spring can effectively drive the attraction plate to ascend in the power failure, the disconnection of a circuit is ensured, the extension fixing rod can ensure that the attraction plate can descend to the enough position through the hinged connection of the end parts at the two ends and the self telescopic capability, so that a relay circuit can be effectively closed, the telescopic buffer assembly can effectively match with the movement of the extension fixing rod, the electric wire fixing frame can effectively support the first electrified wire and a plurality of groups of secondary electrified wires, so that the first electrified wire and the plurality of groups of secondary electrified wires can be effectively wound on the first magnetic flux core, and the upper tightening assembly and the lower tightening assembly can effectively act on the two ends of the first electrified wire and the plurality of groups of secondary wires, pulling through both ends with the taut winding of first circular telegram line and the secondary circular telegram line of a plurality of groups on first magnetic flux core, through go up electric cabinet and electric cabinet down can be effectual be connected to the relay in the all the other circuit system of aircraft, through increasing the secondary circular telegram line of a plurality of groups and with the taut winding of first circular telegram line and the secondary circular telegram line of a plurality of groups on first magnetic flux core's mode, the contact point of taut relay is stabilized in aircraft power supply period to keep the power supply of aircraft stable, the effectual emergence probability that reduces aircraft power supply incident.

Further, the below of first magnetic flux core is equipped with first telescopic link, the upper end and the first magnetic flux core fixed connection of first telescopic link, and the lower extreme of first telescopic link is equipped with the rolling disc, rolling disc and first telescopic link fixed connection, and the below of rolling disc is equipped with the base, is equipped with rotary actuator between base and the rolling disc, and the base passes through rotary actuator fixed connection with the rolling disc still be equipped with second telescopic link and third telescopic link on the rolling disc, second telescopic link and third telescopic link stagger with the position of first telescopic link and with rolling disc fixed connection, the top of second telescopic link is equipped with second magnetic flux core, second telescopic link and second magnetic flux core fixed connection, and the top of third telescopic link is equipped with third magnetic flux core, third telescopic link and third magnetic flux core fixed connection. The first magnetic flux core can be drawn out by arranging the first telescopic rod below the first magnetic flux core, so that the first magnetic flux core is convenient to replace, the first electrified wire and the secondary electrified wire can be effectively kept in a coil state and cannot influence the movement of the first magnetic flux core due to the support of the electric wire fixing frame, the lifting of the first magnetic flux core, the second magnetic flux core and the third magnetic flux core can be effectively controlled through the movement of the first telescopic rod, the second telescopic rod and the third telescopic rod, the positions of the magnetic flux cores can be effectively replaced by the rotation of the rotary disc, the rotation of the rotary disc is provided by the rotary driver, the rotary driver is a motor, the replacement of the first magnetic flux core, the second magnetic flux core and the third magnetic flux core can be standby replacement when the magnetic flux cores are damaged and the like, and the magnetic flux cores can be made of different materials respectively, the magnetic flux core material with high magnetic flux can be replaced when more heavy-load electrical appliances are required to work simultaneously, for example, the magnetic flux core made of silicon steel or permalloy is used as a substitute, and the capacity of replacing the magnetic flux core in an emergency can be guaranteed under the combined action of the rotating disc, the first telescopic rod, the second telescopic rod and the third telescopic rod.

Furthermore, flexible buffering subassembly is including connecting the fixed plate, and the one side that connects the fixed plate and be close to the suction plate is articulated with extending the dead lever, and the one side that connects the fixed plate and deviate from articulated department is equipped with the side fixed plate, connects and is equipped with adjusting spring between fixed plate and the side fixed plate, adjusting spring's one end is fixed with connecting the fixed plate, and adjusting spring's the other end is fixed with the side fixed plate still be equipped with the connection sliding plate on the side of connecting fixed plate and side fixed plate, connect fixed plate and side fixed plate all with be connected sliding plate swing joint, connect fixed plate and side fixed plate and can follow the rectilinear sliding on connecting the sliding plate. The telescopic buffer component can effectively adjust the position of the extension fixing rod so as to assist the extension fixing rod to support the attraction plate, and the descending of the attraction plate can drive the relay to be closed, therefore, when the suction plate descends, the extension fixing rod needs to ensure that the suction plate can effectively descend to a sufficient height, the extending fixing rod needs enough moving space during movement to effectively support the movement of the suction plate, an adjusting spring is arranged between the connecting fixed plate and the side fixed plate on the telescopic buffer component, the change of the position of the extending fixed rod can be effectively adapted through the extension and retraction of the adjusting spring, meanwhile, the connecting sliding plates are arranged on the connecting fixed plate and the side fixed plate and are movably connected with the connecting sliding plates, so that the relative positions of the connecting fixed plate and the side fixed plate are limited, and the support for the extending fixed rod is more effective.

Further, extend the dead lever including flexible cover shell, flexible cover shell cavity, the one end of flexible cover shell is articulated with flexible buffering subassembly, and flexible cover shell's the other end is equipped with the opening, is equipped with the support extension spring in the flexible cover shell, and the one end of supporting the extension spring is fixed with the inner wall of flexible cover shell, and the other end of supporting the extension spring is equipped with the articulated shaft, and the one end of articulated shaft is fixed with the support extension spring, and the other end of articulated shaft is articulated with the side of inhaling the board. Extension dead lever among the extension dead lever will extend the dead lever and keep under the state of tightening up, when first magnetic core will attract the board pulling decline, extend the dead lever except that the downward sloping motion, can also support the mode of extension spring through extending, with the articulated shaft pulling with flexible cover shell separation formation sufficient space make things convenient for the attraction board to move.

Further, the electric wire fixing frame comprises two fixing vertical frames, the fixing vertical frames are symmetrically arranged by taking the first magnetic core as a center, a containing groove is arranged on the side surface of the fixing vertical frame facing the first magnetic core, the containing groove longitudinally penetrates through the fixing vertical frames along the direction of the axis of the first magnetic flux core, a plurality of longitudinally distributed upper limiting plates which are parallel to each other are arranged in the containing groove, lower limiting plates are arranged below the upper limiting plates, sliding vertical plates are arranged between the upper limiting plates and the lower limiting plates, the upper ends of the sliding vertical plates are movably connected with the upper limiting plates, the lower ends of the sliding vertical plates are movably connected with the lower limiting plates, the sliding vertical plates can freely slide between the upper limiting plates and the lower limiting plates, expansion tension springs are arranged between the sliding vertical plates and the fixing vertical frames, one ends of the expansion tension springs are fixed with the sliding vertical plates, and the other ends of the expansion tension springs are fixed with the fixing vertical frames, one side of the sliding vertical plate, which is far away from the extension tension spring, is provided with a limiting frame, the limiting frame is fixed to the extension tension spring, and the first electrified wire and the secondary electrified wire respectively penetrate through a plurality of different limiting frames. A plurality of last limiting plate and lower limiting plate form the fixed node that a plurality of is right, through the restriction of spacing frame, can effectually make first circular telegram line and secondary circular telegram line remain the state of coiling throughout, and under the effect of extension spring, first circular telegram line and secondary circular telegram line can leave the surface of first magnetic flux core, and under the effect of last subassembly of tightening up with tightening up down the subassembly, first circular telegram line and secondary circular telegram line can resist the effect of extension spring and paste in the surface of first magnetic flux core, through the slip of slip riser can the position of effectual control spacing frame, thereby make first circular telegram line and secondary circular telegram line can effectual laminating or leave the surface of first magnetic flux core, accomodate the groove and can effectually accomodate each spacing part, and can effectually provide the activity space for the extension spring of expanding.

Furthermore, the secondary electrified wire is a group of second electrified wires, the lower tightening assembly comprises a tightening shell, a pressing lock button is arranged on the upper surface of the tightening shell, the pressing lock button penetrates through the upper surface of the tightening shell and extends into the tightening shell, a lower pressing rod is arranged on the lower surface of the pressing lock button, the lower pressing rod is fixed with the pressing lock button, a reset plate and two lower pressing plates are sequentially arranged on the lower pressing rod from top to bottom, the reset plate extends in a direction away from the center of the pressing knob, the lower pressing plates extend in a direction towards the center of the pressing knob, the two lower pressing plates are parallel to each other, a reset tension spring is further arranged between the reset plate and a top plate of the tightening shell, the reset plate is fixedly connected with the top plate of the tightening shell through the reset tension spring, a first wire collecting assembly is arranged between the two lower pressing plates, and a second wire collecting assembly is arranged below the lower pressing plate, first receipts line subassembly and second are received the line subassembly and are all fixed with the inner wall that tightens up the shell, first circular telegram line link up first receipts line subassembly and runs through and tighten up the shell, second circular telegram line link up the second and receives the line subassembly and runs through and tighten up the shell, first receipts line subassembly can remove first circular telegram line, and second receipts line subassembly can remove second circular telegram line, first receipts line subassembly and second receipts line subassembly's structure is the same. The utility model discloses a take-up device, including the knob, reset plate and extension spring, the knob is pressed down to the knob, and the knob is pressed down to the knob, can lock on the state of pressing down after pressing down the reset plate and the combined action of extension spring that reset, the effectual knob that will press is pulled back to initial position, the first line subassembly and the second of receiving of holding down plate can effectual activation receive the line subassembly, through the first line subassembly of receiving and the second of receiving the effect of line subassembly can the first electrified line of effectual control and the tightening up of second electrified line.

Furthermore, the press lock button comprises a knob shell, a rotary disk is arranged on the upper surface of the knob shell, a handle is arranged on the upper surface of the rotary disk, the handle is fixed with the rotary disk, a rotary shaft is arranged on the lower surface of the rotary disk, the rotary shaft penetrates through the rotary shell and extends into the rotary shell, one end of the rotary shaft is fixed with the lower surface of the rotary disk, a first horizontal gear is arranged at the other end of the rotary shaft, a second horizontal gear is arranged on the side surface of the first horizontal gear, the first horizontal gear is meshed with the second horizontal gear, a first vertical gear is arranged below the first horizontal gear, the first horizontal gear is meshed with the first vertical gear, a second vertical gear is arranged below the second horizontal gear, the second horizontal gear is meshed with the second vertical gear, a steering gear is arranged on one side, far away from the second vertical gear, of the first vertical gear, and the steering gear is meshed with the first vertical gear, and a first lateral moving rack is arranged below the steering gear, the first lateral moving rack is meshed with the steering gear and penetrates through the knob shell to extend out of the knob shell, a second lateral moving rack is arranged below the second vertical gear, and the second lateral moving rack is meshed with the second vertical gear and penetrates through the knob shell to extend out of the knob shell. Rotation through rotary disk drive axis of rotation drives the rotation of first horizontal gear, because second horizontal gear and the meshing of first horizontal gear, so first gear and the second of founding are the gear corotation, because first side moves rack and the second and moves to opposite direction, so set up the rotation direction that steering gear adjusted the gear in the side of first gear of founding, through the combined action of first side moving rack and second side moving rack, will press the effectual restriction of lock button and be pressing the state, thereby make first receipts line subassembly and second receive line subassembly can effectually tighten up first electrified line and second electrified line.

Further, first receipts line subassembly includes the mechanism shell, first circular telegram line runs through the relative both sides wall of mechanism shell, and mechanism shell top is equipped with presses the clamp plate, presses the lower fixed surface of clamp plate to be connected with the push rod, and the push rod runs through the roof of mechanism shell and extends to the inside of mechanism shell, the inside of mechanism shell still is equipped with the power component that can promote the motion of first circular telegram line, the bottom mounting of power component and push rod is equipped with the reset assembly that can lift up power component between mechanism shell and the power component, and the below of first circular telegram line is equipped with the subassembly of accepting that supports first circular telegram line. The power assembly can pull the first electrified wire to displace, the push rod can be effectively controlled to push the power assembly to be in contact with the first electrified wire by pressing down the pressing plate, the first electrified wire is effectively controlled to move towards the direction far away from the first magnetic flux core by the combined action of the power assembly and the bearing assembly, so that the first electrified wire is controlled to be tensioned on the first magnetic flux core, and the second wire take-up assembly and the first wire take-up assembly are identical in structure, so that the second wire take-up assembly can also effectively tighten the second electrified wire by pulling the second electrified wire.

Further, the reset assembly comprises a reset plate, the reset plate is located between the upper connecting rod and the top wall of the mechanism shell, the push rod penetrates through the reset plate and is fixedly connected with the reset plate, a reset tension spring is fixedly connected between the reset plate and the top wall of the mechanism shell, the power assembly comprises a plurality of power wheels arranged in the mechanism shell, the power wheels are located above the first electrified line, an upper connecting rod is arranged between the power wheels, the power wheels are connected through the upper connecting rod, and the upper connecting rod is fixedly connected with the push rod. The first electrified wire penetrates through the mechanism shell, a certain space is reserved above and below the first electrified wire, the first electrified wire is conveyed in the direction away from the first magnetic core through extrusion pushing of the power wheel and the bearing component, the power wheel is provided with an anti-slip layer on the surface to prevent the power wheel from slipping in the pipe conveying process, the power of the power wheel is provided by the power mechanism, the power mechanism is arranged on the side surface of the first wire winding component, the motor is used as a power structure, the motor is connected with the power wheel and penetrates through the mechanism shell to enable the power mechanism to move in the longitudinal direction along with the power wheel, the push rod is pushed to press the upper connecting rod downwards after the pressing plate is pressed downwards, the upper connecting rod can apply downward pressure to the power wheel, the power wheel moves downwards and extrudes the first electrified wire together with the bearing component, and the first electrified wire can be conveyed to move under the rotation of the power wheel, according to the invention, through the arrangement of the reset plate, the direct contact between the reset tension spring and the power wheel and the upper connecting rod is avoided, meanwhile, the influence of the reset tension spring on the rotation of the power wheel is also avoided, meanwhile, the reset plate also effectively keeps the stability of the reset tension spring, the violent shaking generated when the reset assembly drives the power wheel to rebound is avoided, the push rod is effectively protected, the push rod is prevented from being broken under the action of external force or staggered internal parts, and the elasticity of the reset tension spring is controlled to the extent that the push plate can be pressed down easily and the power wheel can be effectively lifted.

Further, accept the subassembly and include a plurality of auxiliary wheels, the auxiliary wheel is located the below of first circular telegram line and contacts with the bottom of first circular telegram line and mechanism shell respectively, is equipped with down the connecting rod between the auxiliary wheel, connects through connecting rod down between the auxiliary wheel. When the power wheel pushed down, formed the extrusion jointly through auxiliary wheel and power wheel, the upper end and the first circular telegram line contact of auxiliary wheel, the lower extreme of auxiliary wheel and the inner wall contact of mechanism's shell, through the extrusion and the rotation of auxiliary wheel and power wheel, effectually transported first circular telegram line to through the extrusion with the great improvement of the transport efficiency of first circular telegram line.

In conclusion, compared with the prior art, the invention has the following beneficial effects:

(1) through increasing the second circular telegram line and with the taut mode of winding on first magnetic flux core of first circular telegram line and second circular telegram line, the contact point of the taut relay is stabilized in aircraft power supply period to keep the power supply of aircraft stable, the effectual emergence probability that reduces aircraft power supply incident.

(2) The change of the position of dead lever can be extended in effectual adaptation through regulating spring's flexible, sets up the connection sliding plate simultaneously on connection fixed plate and side fixed plate to with connection sliding plate swing joint, restrict the relative position of connecting fixed plate and side fixed plate, make the support to extending the dead lever more effective.

(3) Through the position of the spacing frame of slip control that slides the riser can be effectual to make first electrified line and second electrified line can effectual laminating or leave the surface of first magnetic core, accomodate the groove and can effectually accomodate each spacing part, and can effectually provide the activity space for the extension spring that expands.

(4) Through the homodromous rotation of first standing gear and second standing gear, drive first side and move rack and the motion of second side and move to opposite direction, make stretching out jointly of first side and moving rack and second side through steering gear and press the lock button, will press the effectual restriction of lock button and press the state to make first receipts line subassembly and second receipts line subassembly can effectually tighten up first circular telegram line and second circular telegram line.

(5) Through the push down of pressing the board can effectual control push rod promote power component and first electrified line and contact, through power component and the combined action who accepts the subassembly, the first electrified line of effectual control moves to the direction of keeping away from first magnetic flux core to the take-up of first electrified line on first magnetic flux core is controlled, and the second is received the line subassembly and is the same with the structure of first line subassembly, so the second is received the line subassembly and also can effectually tighten up the second electrified line through pulling second electrified line.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an extended fixing rod according to the present invention;

FIG. 3 is a side partial sectional view of the wire fixing frame of the present invention

FIG. 4 is a cross-sectional view of the lower tightening assembly of the present invention;

FIG. 5 is a cross-sectional view of a push button of the present invention;

FIG. 6 is a cross-sectional view of the first wire takeup assembly of the present invention;

the reference symbols in the drawings represent respectively: 1-top shell, 2-return spring, 3-telescopic buffer component, 4-extension fixing rod, 5-suction plate, 6-wire fixing rack, 7-first live wire, 8-second live wire, 9-lower tightening component, 10-lower electric cabinet, 11-upper tightening component, 12-upper electric cabinet, 13-first flux core, 14-first telescopic rod, 15-second flux core, 16-second telescopic rod, 17-third flux core, 18-third telescopic rod, 19-rotary disk, 20-base, 31-side fixing plate, 32-adjustment spring, 33-connection fixing plate, 34-connection sliding plate, 401-telescopic casing, 402-support tension spring, 403-hinge shaft, 61-receiving groove, 62-extension tension spring, 63-upper limit plate, 64-lower limit plate, 65-sliding vertical plate, 66-limit frame, 91-pressing lock button, 92-reset tension spring, 93-reset plate, 94-lower press rod, 95-first wire-collecting component, 96-lower press plate, 97-tightening shell, 98-second wire-collecting component, 911-knob shell, 912-first side moving rack, 913-steering gear, 914-first vertical gear, 915-first horizontal gear, 916-second vertical gear, 917-second side moving rack, 918-second horizontal gear, 919-rotating disk, 920-handle, 921-rotating shaft, 9501-pressing plate, 9502-push rod, 9503-reset tension spring, 9504-mechanism shell, 9505-reset plate, 9506-power wheel, 9507-upper connecting rod, 9508-auxiliary wheel, 9509-lower connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1:

as shown in fig. 1 to 3, the aviation dc distribution relay according to the present embodiment includes a top case 1, an attraction plate 5 is disposed below the top case 1, an elastic restoring member is disposed between the attraction plate 5 and the top case 1, one end of the elastic restoring member is fixedly connected to the attraction plate 5, the other end of the elastic restoring member is fixedly connected to the top case 1, an extension fixing rod 4 is disposed on a side surface of the attraction plate 5, one end of the extension fixing rod 4 is hinged to the attraction plate 5, the other end of the extension fixing rod 4 is provided with a telescopic buffer component 3, the extension fixing rod 4 is hinged to the telescopic buffer component 3, an electric wire fixing frame 6 is disposed below the attraction plate 5, a set of first live wires 7 and a plurality of sets of secondary live wires are wound on the electric wire fixing frame 6, the first live wires 7 and the plurality of sets of secondary live wires are sequentially distributed in a staggered manner and wound to form a spiral coil, the spiral coil is sleeved with a first magnetic flux core 13, the upper ends of the first electrified wire 7 and the plurality of groups of secondary electrified wires are provided with upper tightening assemblies 11 capable of tightening the electrified wires, the first electrified wire 7 and the plurality of groups of secondary electrified wires penetrate through the upper tightening assemblies 11 and are connected to an upper electric cabinet 12, the lower ends of the first electrified wire 7 and the plurality of groups of secondary electrified wires are provided with lower tightening assemblies 9 capable of tightening the electrified wires, and the first electrified wire 7 and the plurality of groups of secondary electrified wires penetrate through the lower tightening assemblies 9 and are connected to a lower electric cabinet 10.

This embodiment is on first circular telegram line 7 is connected to the circuit of aircraft storage battery or generator in practical application, as long as need circuit work, first circular telegram line 7 just can be circular telegram, under the state of first circular telegram line 7 circular telegram, first circular telegram core 13 just can produce enough attraction board 5 decline closed relay's magnetic attraction, first circular telegram line 7 is tightened up subassembly 11 and lower tightening assembly 9 by last and is tightened up and hug closely on first circular telegram core 13 this moment, the elastic recovery piece is answer spring 2, and secondary circular telegram line is connected to on the circuit of electrical apparatus heavy load such as starter, just can switch on secondary circular telegram line when opening equipment such as starter, the magnetic attraction enhancement on the first circular telegram core 13 after the switch on of secondary circular telegram line, even under the state that voltage descends, also can effectually keep the closure of relay.

Meanwhile, the telescopic buffer assembly 3 preferably includes a connecting fixed plate 33, one surface of the connecting fixed plate 33 close to the suction plate 5 is hinged to the extending fixed rod 4, one surface of the connecting fixed plate 33 away from the hinged position is provided with a side fixed plate 31, an adjusting spring 32 is arranged between the connecting fixed plate 33 and the side fixed plate 31, one end of the adjusting spring 32 is fixed to the connecting fixed plate 33, the other end of the adjusting spring 32 is fixed to the side fixed plate 31, a connecting sliding plate 34 is further arranged on the side surfaces of the connecting fixed plate 33 and the side fixed plate 31, both the connecting fixed plate 33 and the side fixed plate 31 are movably connected to the connecting sliding plate 34, and the connecting fixed plate 33 and the side fixed plate 31 can slide on the connecting sliding plate 34 along a.

Preferably, extend dead lever 4 including flexible cover shell 401, flexible cover shell 401 cavity, the one end of flexible cover shell 401 is articulated with flexible buffer unit 3, and the other end of flexible cover shell 401 is equipped with the opening, is equipped with in the flexible cover shell 401 and supports extension spring 402, and the one end that supports extension spring 402 is fixed with the inner wall of flexible cover shell 401, and the other end that supports extension spring 402 is equipped with articulated shaft 403, and the one end of articulated shaft 403 is fixed with support extension spring 402, and the other end of articulated shaft 403 is articulated with the side of suction plate 5.

Preferably, the wire fixing frame 6 includes two fixing vertical frames, the fixing vertical frames are symmetrically arranged with the first magnetic core 13 as a center, a containing groove 61 is arranged on a side surface of the fixing vertical frame facing the first magnetic core 13, the containing groove 61 longitudinally penetrates through the fixing vertical frames along the axial direction of the first magnetic core 13, a plurality of longitudinally distributed upper limiting plates 63 which are parallel to each other are arranged in the containing groove 61, a lower limiting plate 64 is arranged below the upper limiting plate 63, a sliding vertical plate 65 is arranged between the upper limiting plate 63 and the lower limiting plate 64, the upper end of the sliding vertical plate 65 is movably connected with the upper limiting plate 63, the lower end of the sliding vertical plate 65 is movably connected with the lower limiting plate 64, the sliding vertical plate 65 can freely slide between the upper limiting plate 63 and the lower limiting plate 64, an expansion tension spring 62 is arranged between the sliding vertical plate 65 and the fixing vertical frame, one end of the expansion tension spring 62 is fixed with the sliding vertical plate 65, the other end of extension spring 62 is fixed with fixed grudging post, the one side that slip riser 65 deviates from extension spring 62 all is equipped with spacing frame 66, and spacing frame 66 is fixed in extension spring 62, first circular telegram line 7 and secondary circular telegram line pass a plurality of different spacing frames 66 respectively.

The practical application experiment is designed for the embodiment, through more than 1000 limited experiments, the on-off of the aviation direct-current relay is controlled by the embodiment, when a starter and other heavy load devices are started and the voltage is reduced, one case of accidental disconnection does not occur in the embodiment, and compared with the 1.06% accidental disconnection rate recorded by historical data in the prior art, the embodiment effectively keeps the power supply stability of the airplane and reduces the occurrence probability of airplane power supply safety accidents.

Example 2:

as shown in fig. 1 to 4, based on embodiment 1, the secondary power line is a set of second power lines 8, the lower tightening assembly 9 includes a tightening housing 97, a pressing lock button 91 is disposed on an upper surface of the tightening housing 97, the pressing lock button 91 penetrates through the upper surface of the tightening housing 97 and extends into the tightening housing 97, a lower press rod 94 is disposed on a lower surface of the pressing lock button 91, the lower press rod 94 is fixed to the pressing lock button 91, a reset plate 93 and two lower press plates 96 are sequentially disposed on the lower press rod 94 from top to bottom, the reset plate 93 extends in a direction away from a center of the pressing knob, the lower press plates 96 extend in a direction toward the center of the pressing knob, the two lower press plates 96 are parallel to each other, a reset tension spring 92 is further disposed between the reset plate 93 and a top plate of the tightening housing 97, the reset plate 93 and the top plate of the tightening housing 97 are fixedly connected by the reset tension spring 92, be equipped with first line subassembly 95 between two holding down plates 96, the below of the holding down plate 96 that leans on is equipped with the second and receives line subassembly 98, first line subassembly 95 and second receive line subassembly 98 all with tighten up the inner wall of shell 97 fixed, first circular telegram line 7 link up first line subassembly 95 and run through and tighten up shell 97, second circular telegram line 8 link up second line subassembly 98 and run through and tighten up shell 97, first line subassembly 95 can remove first circular telegram line 7, and second line subassembly 98 can remove second circular telegram line 8, first line subassembly 95 and second line subassembly 98 are received to the same structure.

Example 3:

as shown in fig. 1 to 5, in any of embodiments 1 to 2, the push lock button 91 includes a knob housing 911, a rotary disk 919 is disposed on an upper surface of the knob housing 911, a handle 920 is disposed on an upper surface of the rotary disk 919, the handle 920 is fixed to the rotary disk 919, a rotary shaft 921 is disposed on a lower surface of the rotary disk 919, the rotary shaft 921 penetrates through the rotary housing and extends into the rotary housing, one end of the rotary shaft 921 is fixed to the lower surface of the rotary disk 919, a first horizontal gear 915 is disposed on the other end of the rotary shaft 921, a second horizontal gear 918 is disposed on a side surface of the first horizontal gear, the first horizontal gear 918 and the second horizontal gear 918 are engaged, a first vertical gear 914 is disposed below the first horizontal gear 915, the first horizontal gear 915 is engaged with the first vertical gear 914, a second vertical gear 916 is disposed below the second horizontal gear 918 is engaged with the second vertical gear 916, a steering gear 913 is arranged on one side of the first vertical gear 914, which is far away from the second vertical gear 916, the steering gear 913 is meshed with the first vertical gear 914, a first side moving rack 912 is arranged below the steering gear 913, the first side moving rack 912 is meshed with the steering gear 913 and penetrates through the knob housing 911 to extend out of the knob housing 911, a second side moving rack 917 is arranged below the second vertical gear 916, and the second side moving rack 917 is meshed with the second vertical gear 916 and penetrates through the knob housing 911 to extend out of the knob housing 911.

Example 4:

as shown in fig. 1 to 6, in any of embodiments 1 to 3, the first wire rewinding assembly 95 includes a mechanism housing 9504, the first wire 7 penetrates through two opposite side walls of the mechanism housing 9504, a pressing plate 9501 is disposed above the mechanism housing 504, a push rod 9502 is fixedly connected to a lower surface of the pressing plate 9501, the push rod 9502 penetrates through a top wall of the mechanism housing 9504 and extends into the mechanism housing 9504, a power assembly capable of pushing the first wire 7 to move is further disposed inside the mechanism housing 9504, the power assembly is fixed to a bottom end of the push rod 9502, a return assembly capable of lifting the power assembly is disposed between the mechanism housing 9504 and the power assembly, and a receiving assembly for supporting the first wire 7 is disposed below the first wire 7; the reset assembly comprises a reset plate 9505, the reset plate 9505 is positioned between an upper connecting rod 9507 and the top wall of a mechanism shell 9504, the push rod 9502 penetrates through the reset plate 9505 and is fixedly connected with the reset plate 9505, a reset tension spring 9503 is fixedly connected between the reset plate 9505 and the top wall of the mechanism shell 9504, the power assembly comprises a plurality of power wheels 9506 arranged in the mechanism shell 9504, the power wheels 9506 are positioned above a first electrifying line 7, an upper connecting rod 9507 is arranged between the power wheels 9506, the power wheels 9506 are connected through the upper connecting rod 9507, and the upper connecting rod 9507 is fixedly connected with the push rod 9502; the supporting assembly comprises a plurality of auxiliary wheels 9508, the auxiliary wheels 9508 are positioned below the first electrified wire 7 and are respectively in contact with the first electrified wire 7 and the bottom of the mechanism shell 9504, lower connecting rods 9509 are arranged between the auxiliary wheels 9508, and the auxiliary wheels 9508 are connected through the lower connecting rods 9509.

Example 5:

as shown in fig. 1 to 6, in addition to any one of embodiments 1 to 4, a first telescopic rod 14 is arranged below the first magnetic core 13, an upper end of the first telescopic rod 14 is fixedly connected with the first magnetic core 13, a rotating disc 19 is arranged at a lower end of the first telescopic rod 14, the rotating disc 19 is fixedly connected with the first telescopic rod 14, a base 20 is arranged below the rotating disc 19, a rotary driver is arranged between the base 20 and the rotating disc 19, the base 20 is fixedly connected with the rotating disc 19 through the rotary driver, a second telescopic rod 16 and a third telescopic rod 18 are further arranged on the rotating disc 19, the second telescopic rod 16 and the third telescopic rod 18 are staggered with respect to the first telescopic rod 14 and are fixedly connected with the rotating disc 19, a second magnetic core 15 is arranged above the second telescopic rod 16, the second telescopic rod 16 is fixedly connected with the second magnetic core 15, a third magnetic core 17 is arranged above the third telescopic rod 18, the third telescopic rod 18 is fixedly connected with the third magnetic flux core 17.

The rotary driver in this embodiment is a motor of a Y-series model, the first magnetic core 13, the second magnetic core 15, and the third magnetic core 17 may be replaced by a spare magnetic core when the magnetic core is damaged, or the magnetic cores may be made of different materials, so that a magnetic core material with a high magnetic flux may be replaced when a large number of heavy-duty electrical appliances are required to work simultaneously, for example, a magnetic core made of silicon steel or permalloy is used as a substitute, and the rotary disk 19 and the first telescopic rod 14, the second telescopic rod 16, and the third telescopic rod 18 cooperate to ensure that the rotary driver has an ability to replace the magnetic core immediately in an emergency.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an aviation direct current distribution relay, a serial communication port, including top shell (1), the below of top shell (1) is equipped with attraction board (5), is equipped with elasticity restoration piece between attraction board (5) and top shell (1), the one end and attraction board (5) fixed connection of elasticity restoration piece, the other end and top shell (1) fixed connection of elasticity restoration piece, the side of attraction board (5) is equipped with extension dead lever (4), and the one end that extends dead lever (4) is articulated with attraction board (5), and the other end that extends dead lever (4) is equipped with flexible buffer assembly (3), and extension dead lever (4) are articulated with flexible buffer assembly (3), the below of attraction board (5) is equipped with electric wire mount (6), electric wire mount (6) circular telegram is fixed with a set of first circular telegram line (7) and a plurality of groups of secondary line, first circular telegram line (7) and a plurality of groups of secondary line are crisscross in proper order on electric wire mount (6) and divide branch Cloth and coiling form the heliciform coil, the cover is equipped with first magnetic flux core (13) in the heliciform coil, the upper end of first circular telegram line (7) and the secondary circular telegram line of a plurality of groups is equipped with the last subassembly (11) that tightens up that can take up the circular telegram line, and first circular telegram line (7) and the secondary circular telegram line of a plurality of groups run through and tighten up subassembly (11) and be connected to last electric cabinet (12), and the lower extreme of first circular telegram line (7) and the secondary circular telegram line of a plurality of groups is equipped with the lower subassembly (9) that tightens up that can take up the circular telegram line, and first circular telegram line (7) and the secondary circular telegram line of a plurality of groups.

2. The aviation direct current distribution relay according to claim 1, wherein a first telescopic rod (14) is arranged below the first magnetic flux core (13), the upper end of the first telescopic rod (14) is fixedly connected with the first magnetic flux core (13), a rotary disc (19) is arranged at the lower end of the first telescopic rod (14), the rotary disc (19) is fixedly connected with the first telescopic rod (14), a base (20) is arranged below the rotary disc (19), a rotary driver is arranged between the base (20) and the rotary disc (19), the base (20) is fixedly connected with the rotary disc (19) through the rotary driver, a second telescopic rod (16) and a third telescopic rod (18) are further arranged on the rotary disc (19), and the second telescopic rod (16) and the third telescopic rod (18) are staggered with the first telescopic rod (14) and are fixedly connected with the rotary disc (19), the upper portion of the second telescopic rod (16) is provided with a second magnetic flux core (15), the second telescopic rod (16) is fixedly connected with the second magnetic flux core (15), the upper portion of the third telescopic rod (18) is provided with a third magnetic flux core (17), and the third telescopic rod (18) is fixedly connected with the third magnetic flux core (17).

3. The aviation direct current distribution relay according to claim 1, wherein the telescopic buffer assembly (3) comprises a connecting fixed plate (33), one surface of the connecting fixed plate (33) close to the suction plate (5) is hinged to the extending fixed rod (4), one surface of the connecting fixed plate (33) away from the hinged position is provided with a side fixed plate (31), an adjusting spring (32) is arranged between the connecting fixed plate (33) and the side fixed plate (31), one end of the adjusting spring (32) is fixed to the connecting fixed plate (33), the other end of the adjusting spring (32) is fixed to the side fixed plate (31), a connecting sliding plate (34) is further arranged on the side surfaces of the connecting fixed plate (33) and the side fixed plate (31), the connecting fixed plate (33) and the side fixed plate (31) are movably connected to the connecting sliding plate (34), and the connecting fixed plate (33) and the side fixed plate (31) can slide linearly on the connecting sliding plate (34).

4. The aviation direct current distribution relay of claim 1, wherein the extension fixing rod (4) comprises a telescopic casing (401), the telescopic casing (401) is hollow, one end of the telescopic casing (401) is hinged to the telescopic buffer component (3), the other end of the telescopic casing (401) is provided with an opening, a support tension spring (402) is arranged in the telescopic casing (401), one end of the support tension spring (402) is fixed to the inner wall of the telescopic casing (401), the other end of the support tension spring (402) is provided with a hinge shaft (403), one end of the hinge shaft (403) is fixed to the support tension spring (402), and the other end of the hinge shaft (403) is hinged to the side face of the suction plate (5).

5. The aviation direct-current distribution relay according to claim 1, wherein the wire fixing frame (6) comprises two fixing stands, the fixing stands are symmetrically arranged with the first magnetic core (13) as a center, a containing groove (61) is arranged on the side of the fixing stands facing the first magnetic core (13), the containing groove (61) longitudinally penetrates through the fixing stands along the axis direction of the first magnetic core (13), a plurality of upper limiting plates (63) which are longitudinally distributed and parallel to each other are arranged in the containing groove (61), lower limiting plates (64) are arranged below the upper limiting plates (63), sliding vertical plates (65) are arranged between the upper limiting plates (63) and the lower limiting plates (64), the upper ends of the sliding vertical plates (65) are movably connected with the upper limiting plates (63), and the lower ends of the sliding vertical plates (65) are movably connected with the lower limiting plates (64), slip riser (65) can freely slide between last limiting plate (63) and lower limiting plate (64), all be equipped with expansion extension spring (62) between slip riser (65) and the fixed grudging post, the one end of expansion extension spring (62) is fixed with slip riser (65), and the other end and the fixed grudging post of expansion extension spring (62) are fixed, one side that slip riser (65) deviate from expansion extension spring (62) all is equipped with spacing frame (66), and spacing frame (66) are fixed in expansion extension spring (62), first circular telegram line (7) and secondary circular telegram line pass spacing frame (66) of a plurality of differences respectively.

6. The aviation direct current distribution relay according to claim 1, wherein the secondary power line is a set of second power lines (8), the lower tightening assembly (9) comprises a tightening housing (97), a pressing lock button (91) is arranged on an upper surface of the tightening housing (97), the pressing lock button (91) penetrates through the upper surface of the tightening housing (97) and extends into the tightening housing (97), a lower pressure rod (94) is arranged on a lower surface of the pressing lock button (91), the lower pressure rod (94) is fixed with the pressing lock button (91), a reset plate (93) and two lower pressure plates (96) are sequentially arranged on the lower pressure rod (94) from top to bottom, the reset plate (93) extends in a direction away from a center of the pressing knob, the lower pressure plates (96) extend in a direction towards the center of the pressing knob, the lower pressure plates (96) are parallel to each other, a reset tension spring (92) is further arranged between the reset plate (93) and a top plate of the tightening housing (97), reset plate (93) and the roof of tightening up shell (97) between through extension spring (92) fixed connection that resets, be equipped with first receipts line subassembly (95) between two holding down plates (96), the below of holding down plate (96) that leans on is equipped with second receipts line subassembly (98), first receipts line subassembly (95) and second receipts line subassembly (98) all with tighten the inner wall of shell (97) fixed, first circular telegram line (7) link up first receipts line subassembly (95) and run through and tighten up shell (97), second circular telegram line (8) link up second receipts line subassembly (98) and run through and tighten up shell (97), first circular telegram line subassembly (7) can be removed in first receipts line subassembly (95), second receipts line subassembly (98) can be removed second circular telegram line (8), the structure of first receipts line subassembly (95) and second receipts line subassembly (98) is the same.

7. The aviation direct current distribution relay according to claim 6, wherein the press lock button (91) comprises a knob housing (911), a rotating disk (919) is arranged on the upper surface of the knob housing (911), a handle (920) is arranged on the upper surface of the rotating disk (919), the handle (920) is fixed with the rotating disk (919), a rotating shaft (921) is arranged on the lower surface of the rotating disk (919), the rotating shaft (921) penetrates through the rotating housing and extends into the rotating housing, one end of the rotating shaft (921) is fixed with the lower surface of the rotating disk (919), a first horizontal gear (915) is arranged at the other end of the rotating shaft (921), a second horizontal gear (918) is arranged on the side surface of the first horizontal gear (915), the first horizontal gear (915) is meshed with the second horizontal gear (918), a first vertical gear (914) is arranged below the first horizontal gear (915), the first horizontal gear (915) is meshed with the first vertical gear (914), the second vertical gear (916) is arranged below the second horizontal gear (918), the second horizontal gear (918) is meshed with the second vertical gear (916), a steering gear (913) is arranged on one side, away from the second vertical gear (916), of the first vertical gear (914), the steering gear (913) is meshed with the first vertical gear (914), a first side moving rack (912) is arranged below the steering gear (913), the first side moving rack (912) is meshed with the steering gear (913) and penetrates through the knob shell (911) to extend out of the knob shell (911), a second side moving rack (917) is arranged below the second vertical gear (916), and the second side moving rack (917) is meshed with the second vertical gear (916) and penetrates through the knob shell (911) to extend out of the knob shell (911).

8. The aircraft direct current distribution relay according to claim 6, wherein said first wire take-up assembly (95) comprises a mechanism housing (9504), the first electrifying wire (7) penetrates through two opposite side walls of the mechanism shell (9504), a pressing plate (9501) is arranged above the mechanism shell (504), a push rod (9502) is fixedly connected to the lower surface of the pressing plate (9501), the push rod (9502) penetrates through the top wall of the mechanism shell (9504) and extends into the mechanism shell (9504), the inside of the mechanism shell (9504) is also provided with a power component which can push the first electrified wire (7) to move, the power component is fixed with the bottom end of the push rod (9502), a reset component capable of lifting the power component is arranged between the mechanism shell (9504) and the power component, and a bearing component for supporting the first electrified wire (7) is arranged below the first electrified wire (7).

9. The aviation direct current distribution relay of claim 8, wherein the reset assembly comprises a reset plate (9505), the reset plate (9505) is located between an upper connecting rod (9507) and a top wall of the mechanism housing (9504), the push rod (9502) penetrates through the reset plate (9505) and is fixedly connected with the reset plate (9505), a reset tension spring (9503) is fixedly connected between the reset plate (9505) and the top wall of the mechanism housing (9504), the power assembly comprises a plurality of power wheels (9506) arranged in the mechanism housing (9504), the power wheels (9506) are located above the first electrifying wire (7), an upper connecting rod (9507) is arranged between the power wheels (9506), the power wheels (9506) are connected through the upper connecting rod (9507), and the upper connecting rod (9507) is fixedly connected with the push rod (9502).

10. An aviation direct current distribution relay according to claim 9, wherein the receiving assembly comprises a plurality of auxiliary wheels (9508), the auxiliary wheels (9508) are located below the first live wire (7) and are respectively in contact with the first live wire (7) and the bottom of the mechanism housing (9504), lower connecting rods (9509) are arranged between the auxiliary wheels (9508), and the auxiliary wheels (9508) are connected through the lower connecting rods (9509).