Invention content
The technical problem to be solved by the invention is to provide a kind of number of parts is few, radiating efficiency is high, simple in structure, bodyProduct is small light-weight, and connection is reliable, and electric current transmits stable bus duct.
The bus duct of the present invention, the housing formed including side plate, cover board and the phase conductor for being placed in housing cavity, side plateShoulder is provided with auxiliary support plate；It is connected between each section of bus duct by splicer；Splicer include it is several be spaced apart it is exhaustedEdge partition board, conductor tab and cooling fin, insulating barrier, conductor tab are connected tight by track bolt and collar nutGu track bolt stage casing is provided with insulation sleeve, end set has butterfly spring piece and connector pressing plate；It is characterized in that：It is described to connectThe connector pressing plate of head device is made of the section bar of the approximately c-shaped structure in the section of a pultrusion, and there is outside straight line to prolong for both sidesThe wing side stretched, wing side outside are provided with heat dissipation reinforcing rib, and inside sets promising side plate connector to provide the limiting slot limited；C-shapedStructure inner chamber height dimension is adapted with splicer disc spring film height dimension, and disc spring film can be installed in C-shaped configurationInner cavity, C-shaped configuration opening width dimensions are adapted with collar nut width dimensions；Push down the insulation of splicer outermostThe connector pressing plate of partition board is connect by side plate connector with busbar side board；The side plate connector is cut by pultrusionThe section bar of the generally L-shaped structure in face is formed, and L-shaped structure long side can be connected with splicer pressing plate and be provided with and splicerPressing plate is worked in coordination the positive stop lug boss of limiting, and short side can be connect with busbar side board, and the long side and short side of the L-shaped structure are straightAngle junction has the reinforcing rib outwardly protruded, and reinforcing rib center has threaded connection hole；
The disjunctor side cover plate of the side plate, cover board for a pultrusion；
The insulation sleeve of the splicer is columnar structured, and insulation sleeve both ends are against the dish-shaped shrapnel inner surface of splicer both sidesOn；
The heat dissipation reinforcing rib surface of stating of the splicer pressing plate has zigzag radiating groove；
The reinforcing rib for stating side plate connector is semi-cylindrical hill；
The L-shaped structure long side for stating side plate connector, short side end are respectively provided with guiding surface, the wing side end of splicer pressing plateEnd also has guiding surface；
The busbar side board, cover board, auxiliary support plate, connector pressing plate, side plate connector material are aluminium alloy.
The bus duct of the present invention, radiating efficiency is high, and bus-bar system operation temperature rises low；Main parts size is a pultrudedMaterial, manufacturing process is simple, and labor intensity is low, and number of parts is few；Connection is reliable, and installation and transportation are convenient, corrosion resistanceCan be good, it is light-weight, and good appearance.
Specific embodiment
As shown in the figure, a kind of bus duct, the housing formed including side plate 12, cover board 13 and the phase line for being placed in housing cavityConductor 10；Disjunctor side cover plate of the busbar side board 12, cover board 13 of the embodiment of the present invention for a pultrusion, left and right twoThe section bar that different cross section can be used in disjunctor side cover plate is divided to work in coordination and forms housing, the section bar of same cross-sectional can also be used mutualWith being combined into housing；Side plate shoulder can set auxiliary support plate 11, improve side plate support strength, while improve degree of protection,Prevent dust accumulation of rainwater；It is connected between each section of bus duct by splicer；Splicer passes through side plate connector 1 and bus duct sidePlate connection is fixed.
Splicer includes several insulating barriers 3 being spaced apart, conductor tab 8 and cooling fin 9, insulating barrier 3, conductor8 center of connection sheet has through-hole, and 3 side of insulating barrier closely mounts conductor tab 8, and adjacent two pieces of insulating barriers 3 do not mountBy limited step held tight cooling fin 9 between the side of conductor tab 8, adjacent two pieces of insulating barriers 3 closely lead by attachmentThe conductive trough being inserted into for bus duct product phase conductor 10 is formed between the side of body connection sheet 8, is provided among insulating barrier 3Limited block causes conductive trough accurate positioning, and bus duct phase conductor can easily be smoothly inserted into conductive trough when scene pacifies half, installsIt is convenient；Track bolt 6 fastens after passing through insulating barrier 3,8 central through hole of conductor tab with the mating connection of collar nut 5, connectorInsulation sleeve 7,6 end of track bolt, collar nut 5 are provided between bolt 6 and insulating barrier 3,8 central through hole of conductor tabIt is provided with butterfly spring piece 4 and connector pressing plate 2 between outermost layer insulating barrier 3, connector pressing plate 2 is cut by pultrusionThe section bar of the approximately c-shaped structure in face is formed, and the through-hole passed through for track bolt 6 is provided among C-shaped configuration, and both sides have outsideLinearly extended wing side；Heat dissipation reinforcing rib is provided on the outside of wing side, reinforcing rib increases in connector pressing plate and splicer by radiatingThe air contact area in portion, carries high heat transfer efficiency；While reinforcing rib end of radiating is contacted with joint side plates, stating for connector pressing plate is scatteredHot reinforcing rib surface has zigzag radiating groove, further improves heat and dissipates speed, bus duct joint position temperature rises low；In wing sideSide sets the side plate connector 1 of promising bus duct product to provide the limiting slot of limiting, and limiting slot inner side edge is bevel edge, outer side edges withWing side surface is vertical, and the limiting slot of connector pressing plate 2 is carried for the side plate connector 1 of bus duct when splicer is installed with bus duct productFor being oriented to and limiting, the inside bevel edge of limiting slot enables busbar side board connector 1 to be easily smoothly inserted into splicerBetween insulating barrier 3 and connector pressing plate 2；Splicer fastens posterolateral vertical edges and busbar side board with the installation of bus duct productThe positive stop lug boss of connector 1 coordinate so that busbar side board connector 1 from from splicer insulating barrier 3 and connector pressing plate 2 itBetween exit, only releasable joint device track bolt 6 can just exit busbar side board connector 1；C-shaped configuration cavity heights sizeIt is adapted with 4 height dimension of splicer disc spring film, disc spring film 4 can be installed in C-shaped configuration inner cavity；Dish-shaped bulletReed 4 is slidably inserted into C-channel intracavitary above the C-channel of connector pressing plate 2, and disc spring film 4, which snaps fits into, passes through connector in C-channelThe connection of bolt 6 is fixed, and is all contacted inside and outside disc spring film 4 with the C-channel internal chamber wall of connector pressing plate 2, not exhausted with splicerEdge partition board 3 is in direct contact, and disc spring film 4 and connector pressing plate 2 are all metal material, and connection is reliable；The opening portion bit wide of C-channelSize is spent slightly larger than 6 end size of track bolt, and is adapted with 5 width dimensions of collar nut, and track bolt 6 is first from splicerThe C-channel opening of the connector pressing plate 2 of side passes through disc spring film 4, is then passed through setting among the C-shaped configuration of connector pressing plate 2The through-hole put, then sequentially pass through splicer insulating barrier 3, conductor tab 8 up through the insulation of last layer of splicer everyPlate 3, then after sequentially passing through the through-hole set among the C-shaped configuration of another side connector pressing plate 2 of splicer, disc spring film 4, connecingThe C-channel opening of head another side connector pressing plate 2 of device snaps fits into pull head nut 5, because of C-channel opening size and 5 width of collar nutSize is adapted, and collar nut 5 cannot rotate in C-channel opening, and track bolt 6 is easy to connect, after splicer fastening also notIt can loosen, further improve connection reliability.
2 material of connector pressing plate is aluminium alloy；Insulation sleeve 7 is columnar structured, and 7 both ends of insulation sleeve are against splicer both sidesOn dish-shaped 4 inner surface of shrapnel；The connector pressing plate of splicer by a pultrusion the approximately c-shaped structure in section section bar structureInto both sides have outside linearly extended wing side, C-shaped configuration cavity heights size and splicer disc spring film height dimension phaseIt adapts to, disc spring film can be installed in C-shaped configuration inner cavity, and C-shaped configuration opening width dimensions and collar nut are wideDegree size is adapted.
Connector pressing plate 2 is made of the section bar of pultrusion of pultrusion production line, the approximately c-shaped structure in section bar section, is drawnExtrusion section bar may make up product, simple production process by cut-out；It is provided among the C-shaped configuration of section bar section and is worn for track boltThe through-hole crossed, both sides have outside linearly extended wing side, and wing side sets the side plate connector 1 of promising bus duct product to provide limitThe limiting slot of position, limiting slot inner side edge are bevel edge, and outer side edges are vertical with wing side surface, and splicer connects when being installed with bus duct productThe limiting slot of head pressing plate 2 provides guiding and limiting for the side plate connector 1 of bus duct, and the inside bevel edge of limiting slot causes bus ductSide plate connector 1 can be easily smoothly inserted between splicer insulating barrier 3 and connector pressing plate 2；Splicer and bus ductProduct installation fastens posterolateral vertical edges and coordinates with the positive stop lug boss of busbar side board connector 1 so that busbar side board is connectPart 1 cannot exit between splicer insulating barrier 3 and splicer pressing plate 2, and only releasable joint device track bolt 6 can just exitBusbar side board connector 1；C-shaped section cavity heights size is adapted with 4 height dimension of splicer disc spring film, dish-shaped bulletReed 4 can be installed in C-shaped configuration inner cavity, and disc spring film 4 is slidably inserted into C-shaped above the C-channel of splicer pressing plate 2In vallecular cavity, disc spring film 4 is snapped fits into connect by track bolt 6 in C-channel and be fixed, inside and outside disc spring film 4 all withThe C-channel internal chamber wall contact of splicer pressing plate 2, is not in direct contact, disc spring film 4 and splicer with splicer insulating barrier 3Pressing plate 2 is all metal material, and connection is reliable；The opening width dimensions of C-channel are slightly larger than 6 end size of track bolt, andIt is adapted with 5 width dimensions of collar nut, track bolt 6 is first from the C-channel opening of the splicer pressing plate 2 of splicer sideAcross disc spring film 4, the through-hole set among the C-shaped configuration of splicer pressing plate 2 is then passed through, it is exhausted then to sequentially pass through splicerEdge partition board 3, conductor tab 8 are up through last layer of splicer insulating barrier 3, then sequentially pass through another side connector of splicerAmong the C-shaped configuration of device pressing plate 2 after the through-hole of setting, disc spring film 4, in the C-channel of splicer opposite side splicer pressing plate 2Opening snaps fits into pull head nut 5, and because C-channel opening size and 5 width dimensions of collar nut are adapted, collar nut 5 is in C-channelIt cannot be rotated in opening, track bolt 6 is easy to connect, will not be loosened after splicer fastening；C-channel opening has hook-typeReinforcing rib so that the side plate intensity that C-channel opening is contacted with collar nut 6 improves, and further improves connection reliability.
The side plate connector 1 of the embodiment of the present invention is made of the section bar of the generally L-shaped structure in the section of a pultrusion,L-shaped structure long side can be connected with connector pressing plate 2, and short side can be connect with busbar side board；L-shaped structure long side have withConnector pressing plate 2 is worked in coordination the positive stop lug boss of limiting；The long side of L-shaped structure has what is outwardly protruded to add with short side right angle jointStrengthening tendons, reinforcing rib center have threaded connection hole；The splicer pressing plate 2 of splicer outermost insulating barrier is pushed down by a pultrusionThe section bar of the molding approximately c-shaped structure in section is formed, and the through-hole passed through for track bolt, both sides are provided among C-shaped configurationWith outside linearly extended wing side, promising side plate connector is set to provide the limiting slot of limiting on the inside of wing side, outside is provided withRadiate reinforcing rib, and heat dissipation reinforcing rib surface has zigzag radiating groove；C-shaped configuration cavity heights size and splicer disk springPiece height dimension is adapted, and disc spring film can be installed in C-shaped configuration inner cavity；C-shaped configuration opening width dimensionsIt is adapted with collar nut width dimensions；The reinforcing rib of L-shaped structure be semi-cylindrical hill, the L-shaped structure long side of side plate connector,Short side end is respectively provided with guiding surface, and the wing edge tail of splicer pressing plate also has guiding surface；Busbar side board, cover board,Support plate, connector pressing plate, side plate connector material are aluminium alloy.
Busbar side board connector 1, the long side and short side in L-shaped section are orthogonal, and splicer pressing plate 2 is inserted by long sideBetween splicer outermost layer insulating barrier 3, the positive stop lug boss in L-shaped structure long side and the limited step on splicer pressing plate 2Cooperate limiting, and link position is accurately and reliably；Reinforcing rib is semi-cylindrical hill, and good appearance is not easy accumulated rain water, dust；LShape structure short side one side edge has limited step, and limited step is worked in coordination with the position limiting structure on the inside of bus slot cover board, madeIt obtains side plate connector to be in close contact with bus slot cover board contact site, the busbar side board connector of the embodiment of the present invention is by goingExcept the part material of L-shaped structure short side one side edge forms limited step, removal extends partially into the end of L-shaped structure short side；When the position limiting structure of bus duct is strip or bulk, it can only remove L-shaped structure short side one side edge portion of material and form limitingGroove；L-shaped structure short side end has guiding surface, and the position limiting structure for L-shaped structure short side and bus duct provides cooperation and is oriented to；The long side of L-shaped structure curves inwardly to form projection shape close to right angle joint, to adapt to the bus duct of different size, splicerSize for connection；The guiding surface of the long edge tail of L-shaped, which provides to be oriented to, enables L-shaped long side to be easily smoothly inserted into splicer；It is logicalIt crosses the threaded connection hole at reinforcing rib center and bus duct upper and lower cover plates connect fixation, cover board connecting hole can utilize original connectorCover board, i.e. side plate connector are built on the inside of the above, the lower lid, after connector cover plate lid is loaded on bus duct joint position, by primaryProperty be bolted and the connection of side plate connector, cover board, connector cover board can be completed fix, process simplifies, simple for process, installation sideJust
The bus duct of the present invention improves heat dissipation performance by heat radiating type splicer pressing plate, and radiating efficiency is high, bus-bar system operationTemperature rises low；Main parts size busbar side board, cover board, connector pressing plate, side plate connector are aluminum alloy materials by once drawingThe section bar of extrusion forming, manufacturing process is simple, and labor intensity is low, and number of parts is few, light-weight；Transmission efficiency is low for electric currentStablize, connection is reliable, and installation and transportation are convenient, and corrosion resistance and good is light-weight, and good appearance.