CN104253431A - Branching device - Google Patents
Branching device Download PDFInfo
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- CN104253431A CN104253431A CN201310263538.7A CN201310263538A CN104253431A CN 104253431 A CN104253431 A CN 104253431A CN 201310263538 A CN201310263538 A CN 201310263538A CN 104253431 A CN104253431 A CN 104253431A
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Abstract
The invention provides a branching device which comprises a movable mechanism. The movable mechanism comprises a live-wire input end and a live-wire output end; the live-wire input end is electrically connected with one main live wire of a trunk overhead line; the live-wire output end is electrically connected with multiple branched live wires of a branched overhead line when in a first state, and is disconnected with one or multiple of the branched live wires when in a second state; and the live-wire input end is electrically connected to the live-wire output end. The branching device solves the technical problem of long-time power interruption to the trunk line during troubleshooting of the branched lines and has the technical effect of shortening power interruption time of the trunk line.
Description
Technical field
The present invention relates to low-voltage power field, in particular to a kind of branch means.
Background technology
For 400v low-voltage power supply overhead transmission line, in order to electric energy being sent near circuit in each low-voltage customer, often needing from basic routing line, draw Duo Tiao branch and rolling off the production line.In existing technology, usually by wire clamp, rolling off the production line of extraction is fixed on the trunk of low-voltage circuit.
But these wire clamps can only be arranged on basic routing line usually once, not only dismantle difficulty, and once after disassembling, new wire clamp can only be used again rolling off the production line of extraction to be fixed on basic routing line.Therefore, when branched line runs into fault, maintenance personal can't dismantle original wire clamp usually, but selects basic routing line power-off, then carries out the investigation of fault for branched line.But for this method, in the process of malfunction elimination, basic routing line needs long-time power-off, thus makes troubles to user power utilization.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of branch means, when investigating for branched line fault in prior art at least to solve, basic routing line needs the technical problem of long-time power-off.
For solving the problems of the technologies described above, branch means of the present invention comprises: movable device, above-mentioned movable device comprises live wire input end and fire wire output end portion, above-mentioned live wire input end is for being electrically connected a trunk live wire in trunk overhead wire, above-mentioned fire wire output end portion is used for the Duo Tiao branch live wire be electrically connected in a first state in sub-stent ceases to be busy, disconnect with one or more in above-mentioned branch live wire in the second condition, wherein, above-mentioned live wire input end is electrically connected to above-mentioned fire wire output end portion.
Preferably, above-mentioned movable device comprises N number of above-mentioned live wire input end and M above-mentioned fire wire output end portion, wherein, each in above-mentioned N number of live wire input end is electrically connected with one or more in above-mentioned M fire wire output end portion, electric insulation between above-mentioned N number of live wire input end, each in above-mentioned N number of live wire input end is respectively used to be electrically connected trunk live wires different in above-mentioned trunk overhead wire, wherein, N is 2 or 3, M>=N.
Preferably, above-mentioned movable device also comprises zero line input end and zero line output end, above-mentioned zero line input end is for being electrically connected the trunk zero line in above-mentioned trunk overhead wire, above-mentioned zero line output end is used for the Duo Tiao branch zero line be electrically connected under above-mentioned first state in above-mentioned sub-stent ceases to be busy, disconnect with one or more in above-mentioned branch zero line under above-mentioned second state, wherein, above-mentioned zero line input end is electrically connected to above-mentioned zero line output end.
Preferably, above-mentioned fire wire output end portion comprises nut terminal and/or spring terminal.
Preferably, above-mentioned branch means also comprises casing, and above-mentioned movable device is positioned at above-mentioned casing.
Preferably, above-mentioned branch means also comprises fixed part, fixation portions part is positioned at above-mentioned casing, fixation portions part is used for rolling off the production line at above-mentioned casing internal fixtion above-mentioned branch live wire and/or trunk live wire, wherein, above-mentioned live wire input end is used for being rolled off the production line by above-mentioned trunk live wire being electrically connected to above-mentioned trunk live wire.
Preferably, the bottom of above-mentioned casing is provided with opening, and the position of above-mentioned opening is corresponding with the position of fixation portions part.
Preferably, above-mentioned branch means also comprises multiple wire casing be arranged in parallel, above-mentioned multiple wire casing be arranged in parallel is positioned at above-mentioned casing, each in above-mentioned multiple wire casing be arranged in parallel is for holding above-mentioned branch live wire respectively and/or trunk live wire rolls off the production line, wherein, above-mentioned live wire input end is used for being rolled off the production line by above-mentioned trunk live wire being electrically connected to above-mentioned trunk live wire.
Preferably, above-mentioned casing has at least the width of a side to arrange according to the diameter of electric pole, and above-mentioned side is provided with the jockey be fixedly connected with above-mentioned casing, and above-mentioned jockey is for being connected to above-mentioned electric pole by above-mentioned casing.
Preferably, the outside of above-mentioned casing is provided with metal framework.
Preferably, above-mentioned branch means also comprises earthing device, and above-mentioned earthing device is electrically connected with above-mentioned metal framework, and above-mentioned earthing device is used for being electrically connected with ground.
Preferably, the material of above-mentioned casing is reinforced plastics.
The present invention is by the design feature of above-mentioned movable device, solve basic routing line when investigating for branched line fault in prior art and need the technical problem of long-time power-off, reach the technique effect of the power-off time shortening basic routing line, and the technique effect of the power-off time of the All other routes shortened in this branched line outside circuit to be checked can be reached simultaneously.In addition, by adjustment branched line and the corresponding connected mode in the fire wire output end portion of above-mentioned movable device, load balance can be realized in fire wire output end portion, and by above-mentioned casing and fixation portions part, improve the reliability of distribution line.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the connection diagram of a kind of preferred branch means according to the embodiment of the present invention;
Fig. 2 is the connection diagram according to the preferred branch means of the another kind of the embodiment of the present invention;
Fig. 3 is the connection diagram of another the preferred branch means according to the embodiment of the present invention;
Fig. 4 is the structure chart of a kind of preferred branch means according to the embodiment of the present invention;
Fig. 5 is the three-dimensional view of a kind of preferred branch means according to the embodiment of the present invention;
Fig. 6 is the structure chart according to the preferred branch means of the another kind of the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Embodiments provide a kind of preferred branch means, as shown in Figure 1, this branch means comprises: movable device 100, above-mentioned movable device 100 comprises: live wire input end 102 and fire wire output end portion 104, described live wire input end 102 is for being electrically connected a trunk live wire 300 in trunk overhead wire, such as, the trunk live wire L in Fig. 1
1described fire wire output end portion 104 is for being electrically connected the Duo Tiao branch live wire 330 in sub-stent ceases to be busy in a first state, disconnect with one or more in described branch live wire 330 in the second condition, wherein, described live wire input end 102 is electrically connected to described fire wire output end portion 104.
Preferably, as shown in Figure 1, live wire input end 102 may be used for rolling off the production line with trunk live wire 310 lower end be connected, this trunk live wire roll off the production line 310 upper end connected by wire clamp and be fixed on trunk live wire L
1on, thus realize the electrical connection between a trunk live wire 300 in live wire input end 102 and trunk overhead wire.
In embodiments of the present invention, the live wire input end 102 of movable device 100 is electrically connected with fire wire output end portion 104.Preferably, as shown in Figure 1, fire wire output end portion 104 may be used for being electrically connected with the branch's live wire 330 being connected to distribution terminal 200, distribution terminal 202 and distribution terminal 204 respectively under above-mentioned first state, thus realizes under above-mentioned first state the power supply of the branched line that the sub-stent ceases to be busy at branch's live wire 330 place is formed.Under above-mentioned scene, branch's zero line of distribution terminal 200, distribution terminal 202 and distribution terminal 204 directly can be electrically connected with the trunk zero line in trunk overhead wire by wire clamp, certainly, this is a kind of example, the present invention does not limit this, branch's zero line of distribution terminal 200, distribution terminal 202 and distribution terminal 204 can also be electrically connected with trunk zero line by other connected mode, such as, and the connected mode shown in Fig. 3.
As the optional execution mode of one, fire wire output end portion 104 may be used for disconnecting with the branch's live wire 330 being connected to distribution terminal 200, distribution terminal 202 and distribution terminal 204 respectively under above-mentioned second state.Under this scene, when above-mentioned branched line runs into fault, can first by basic routing line power-off, then under above-mentioned second state, the above-mentioned fire wire output end portion 104 of above-mentioned movable device 100 is disconnected with branch's live wire 330, then the power supply of above-mentioned basic routing line is recovered, carry out malfunction elimination for branch's live wire 330 again, thus realize the technique effect shortening the power-off time of basic routing line in branched line malfunction elimination.
As the optional execution mode of another kind, fire wire output end portion 104 can also be used for disconnecting with the branch's live wire being connected to distribution terminal 200 under above-mentioned second state.Under this scene, when the branch's live wire being connected to this distribution terminal 200 runs into fault, can first by basic routing line power-off, then under above-mentioned second state, fire wire output end portion 104 and the branch's live wire being connected to distribution terminal 200 are disconnected, then the power supply of the Liang Tiao branch live wire being connected to distribution terminal 202 and distribution terminal 204 in above-mentioned basic routing line and branched line is recovered, malfunction elimination is carried out again for the branch's live wire being connected to distribution terminal 200, thus realize the technique effect shortening the power-off time of the All other routes in this branched line outside circuit to be checked in branched line malfunction elimination.
On the other hand, in above-mentioned execution mode of the present invention, multiple distribution terminal can be connected to trunk live wire 300 by same movable device 100, each like this distribution terminal does not need to be connected to trunk live wire 300 separately through a wire clamp, thus decrease the use of wire clamp, and achieve electrical connection between basic routing line and branched line and disconnection by movable device 100 switching between a first state and a second state, thus avoid removing and installing wire clamp in branched line malfunction elimination.
Preferably, as shown in Figure 2, movable device 110 can comprise two live wire input end 102: live wire input end 102-1 and live wire input end 102-2, and two fire wire output end portions 104: fire wire output end portion 104-1 and fire wire output end portion 104-2.Wherein, live wire input end 102-1 is electrically connected with fire wire output end portion 104-1, and live wire input end 102-2 is electrically connected with fire wire output end portion 104-2, electric insulation between two live wire input end 102, electric insulation between two fire wire output end portions 104.Preferably, as shown in Figure 2, live wire input end 102-1 for being electrically connected in trunk live wire 300, such as, trunk live wire L
1, another for being electrically connected in trunk live wire 300 of live wire input end 102-2, such as, trunk live wire L
2.
Preferably, as shown in Figure 2, fire wire output end portion 104-1 may be used for being electrically connected with the Liang Tiao branch live wire being electrically connected to distribution terminal 200 and distribution terminal 202 respectively under above-mentioned first state, disconnects under above-mentioned second state with the Liang Tiao branch live wire being electrically connected to distribution terminal 200 and distribution terminal 202 respectively; Fire wire output end portion 104-2 may be used for being electrically connected with the Liang Tiao branch live wire being electrically connected to distribution terminal 204 and distribution terminal 206 respectively under above-mentioned first state, disconnects under above-mentioned second state with the Liang Tiao branch live wire being electrically connected to distribution terminal 204 and distribution terminal 206 respectively.
Under above-mentioned scene, distribution terminal 200 and distribution terminal 202 can in a first state with trunk live wire L
1electrical connection, disconnects with it in the second condition, distribution terminal 204 and distribution terminal 206 can in a first state with trunk live wire L
2electrical connection, disconnects with it in the second condition.Therefore, when the branch's live wire being connected to distribution terminal 200 and/or distribution terminal 202 runs into fault, can first by basic routing line power-off, then under above-mentioned second state, the fire wire output end portion 104-1 in Fig. 2 and the Liang Tiao branch live wire being connected to distribution terminal 200 and distribution terminal 202 are disconnected, then the power supply of the Liang Tiao branch live wire being connected to distribution terminal 204 and distribution terminal 206 in above-mentioned basic routing line and branched line is recovered, malfunction elimination is carried out again for the branch's live wire being connected to distribution terminal 200 and/or distribution terminal 202, thus realize the technique effect of the power-off time shortening other branched lines corresponding to trunk live wire in branched line malfunction elimination.
Preferably, fire wire output end portion 104-1 may be used for disconnecting with arbitrary that is connected to respectively in the Liang Tiao branch live wire of distribution terminal 200 and distribution terminal 202 in the second condition, and fire wire output end portion 104-2 may be used for disconnecting with arbitrary that is connected to respectively in the Liang Tiao branch live wire of distribution terminal 204 and distribution terminal 206 in the second condition.Under this scene, when distribution terminal 200 and distribution terminal 202 load all larger, and distribution terminal 200 and distribution terminal 202 load all less time, can between two fire wire output end portions 104, the Liang Tiao branch live wire exchange of distribution terminal 200 and distribution terminal 204 will be connected to respectively, thus reach the technique effect realizing load balance in fire wire output end portion.
Similarly, movable device 100 in the embodiment of the present invention can also comprise more groups of live wire input end 102 and fire wire output end portion 104, such as, movable device 100 is comprised to the situation in three groups of live wire input end 102 and fire wire output end portion 104, wherein, each group comprises a live wire input end 102 and one or more fire wire output end portion 104, each live wire input end 102 may be used for being electrically connected with the phase trunk live wire 300 in trunk overhead wire respectively, each live wire input end 102 can be electrically connected with one or more fire wire output end portion 104, live wire input end 102 electric insulation each other, fire wire output end portion 104 electric insulation each other.Based on above-mentioned syndeton, the number of the distribution terminal connected with each phase trunk live wire by movable device can be made can to obtain balanced, thus outside the effect realizing the power-off time shortening basic routing line, reach the technique effect realizing three-phase equilibrium in fire wire output end portion.
As one preferred embodiment, the fire wire output end portion 104 of movable device 100 can comprise nut terminal and/or spring terminal, for realize fire wire output end portion 104 under above-mentioned first state with the electrical connection of above-mentioned branch live wire 330, and under above-mentioned second state with the disconnection of one or more in above-mentioned branch live wire 330.Specifically, nut terminal can be electrically connected with one or more in above-mentioned branch live wire 330 under tightening state, disconnects the electrical connection with one or more in above-mentioned branch live wire 330 under the state of outwarding winding.In like manner, spring terminal can be electrically connected with one or more in above-mentioned branch live wire 330 in an inserted condition, disconnects the electrical connection with one or more in above-mentioned branch live wire 330 under the state of extracting.Certainly, the implementation of above-mentioned nut terminal and/or spring terminal is only a kind of example of the present invention, and the present invention can also adopt other structure to realize fire wire output end portion 104.
Preferably, as shown in Figure 3, movable device 100 can also comprise zero line input end 142 and zero line output end 144, zero line input end 142 is for being electrically connected the trunk zero line 320 in above-mentioned trunk overhead wire, zero line output end 144 for being electrically connected the branch's zero line 360 in sub-stent ceases to be busy under above-mentioned first state, disconnect with one or more in this branch's zero line 360 under above-mentioned second state, wherein, zero line input end 142 is electrically connected with zero line output end 144.
Preferably, as shown in Figure 3, zero line input end 142 may be used for rolling off the production line with trunk zero line 322 lower end be connected, this trunk zero line roll off the production line 322 upper end connected by wire clamp and be fixed on trunk zero line 320, thus realize the electrical connection between the trunk zero line 320 in zero line input end 142 and above-mentioned trunk overhead wire.
Preferably, as shown in Figure 3, zero line output end 144 may be used for being electrically connected with the branch's zero line 360 being connected to distribution terminal 200, distribution terminal 202 and distribution terminal 204 respectively under above-mentioned first state, thus realizes under above-mentioned first state the power supply of the branched line that branch's live wire 330 and branch's zero line 360 are formed.
As the optional execution mode of one, fire wire output end portion 104 may be used for disconnecting with three branch's live wires 330 under above-mentioned second state, and zero line output end 144 may be used for disconnecting with three branch's zero lines 360 under above-mentioned second state.Under this scene, when above-mentioned branched line runs into fault, can first by basic routing line power-off, then under above-mentioned second state, fire wire output end portion 104 and three branch's live wires 330 are disconnected, zero line output end 144 and three branch's zero lines 360 are disconnected, then recover the power supply of above-mentioned basic routing line, then carry out malfunction elimination for branch's live wire 330 and branch's zero line 360, thus realize the technique effect shortening the power-off time of basic routing line in branched line malfunction elimination.
As the optional execution mode of another kind, fire wire output end portion 104 can also be used for disconnecting with the branch's live wire being connected to distribution terminal 200 under above-mentioned second state, and zero line output end 144 can also be used for disconnecting with the branch's zero line being connected to distribution terminal 200 under above-mentioned second state.Under this scene, when the branch's live wire and/or branch's zero line that are connected to distribution terminal 200 run into fault, can first by basic routing line power-off, then under above-mentioned second state, fire wire output end portion 104 and the branch's live wire being connected to distribution terminal 200 are disconnected, zero line output end 144 and the branch's zero line being connected to distribution terminal 200 are disconnected, then recover in above-mentioned basic routing line and above-mentioned branched line, to be connected to branch's live wire of distribution terminal 202 and distribution terminal 204 and the power supply of branch's zero line, malfunction elimination is carried out again for the branch's live wire and branch's zero line that are connected to distribution terminal 200, thus realize the technique effect shortening the power-off time of the All other routes in this branched line outside circuit to be checked in branched line malfunction elimination.
Preferably, as shown in Figure 4, above-mentioned branch means can also comprise casing 150, and movable device 100 is positioned at casing 150.Casing 150 1 aspect plays the effect of protection movable device 100; improve the reliability of live wire input end 102 and fire wire output end portion 104 electrical connection respectively and between trunk live wire 300 and branch's live wire 330; play the effect of short circuit protection on the other hand; in order to avoid under rainy day or wet weather in above-mentioned trunk live wire 300 one and be short-circuited between other trunk live wires, further increase the reliability of distribution line.
Preferably, the material of casing 150 can be reinforced plastics, to improve the external insulation performance of above-mentioned branch means, thus reduces the risk of electric leakage.Preferably, as shown in Figure 5, the outside of casing 150 can be provided with metal framework 190, and this metal framework 190, for the protection of casing 150, to be reduced in the risk that External Force Acting lower box 150 is damaged, thus improves the reliability of above-mentioned branch means.More preferably, as shown in Figure 5, above-mentioned branch means can also comprise the earthing device 192 be connected with metal framework 190, above-mentioned earthing device 192 for being electrically connected with ground, to provide protective earthing during work.Further, above-mentioned branch means can also comprise the protection zero-emission being positioned at casing 150, is electrically connected with earthing device 192, and this protection zero-emission can be metallic plate, for providing equipment ground during work.
Preferably, as shown in Figure 5, casing 150 has at least the width of a side can arrange according to the diameter of electric pole, and on this side, be provided with the jockey 180 be fixedly connected with casing 150, this jockey 180 may be used for casing 150 to be connected on above-mentioned electric pole simultaneously.Preferably, by jockey 180, above-mentioned branch means can be placed on the top position of above-mentioned electric pole, to shorten above-mentioned branch means and the distance between trunk overhead wire and sub-stent ceases to be busy, thus reduce on the one hand trunk live wire roll off the production line 310 and trunk zero line roll off the production line 322 length to improve the reliability of distribution line further, play simultaneously and reduce pedestrian and to get an electric shock the effect of risk.Preferably, as shown in Figure 5, jockey 180 can be ferrule, and one end of this ferrule is connected with casing 150.Above-mentioned ferrule is provided with through hole, may be used for connecting the two ends of rubber strip, and this rubber strip, for being set in above-mentioned electric pole, reaches the above-mentioned effect be connected to by casing 150 on above-mentioned electric pole by the frictional force between above-mentioned rubber strip and above-mentioned electric pole.
Preferably, above-mentioned branch means can also comprise the fixed part 160 being positioned at above-mentioned casing 150, and fixation portions part to be used for below above-mentioned casing 150 internal fixtion one of at least: branch's live wire 330, branch's zero line 360, trunk live wire roll off the production line 310, trunk zero line rolls off the production line 322.By the fixation of fixed part 160 to above-mentioned wire, the mechanical force that the link that can reduce above-mentioned wire because above-mentioned wire own wt causes and movable device 100 is born, to improve the reliability of live wire input end 102 and fire wire output end portion 104 electrical connection respectively and between trunk live wire 300 and branch's live wire 330.
Preferably, as shown in Figure 4, fixed part 160 can be wire chuck.A part for wire can be compressed by mechanical force and be fixed in casing 150 by above-mentioned wire chuck.As one preferred embodiment, in casing 150 as shown in Figure 4, the wire chuck being positioned at left side for branch's live wire 330 and branch's zero line 360 are fixed together, the wire chuck being positioned at right side for trunk live wire is rolled off the production line 310 and trunk zero line roll off the production line and 322 to be fixed together.Preferably, branch's live wire 330 and branch's zero line 360 can also be encapsulated in same outlet cable, trunk live wire roll off the production line 310 and trunk zero line roll off the production line and 322 can also be encapsulated in same inlet wire cable, above-mentioned inlet wire cable and/or above-mentioned outlet cable can be fixed in casing 150 by fixed part 160.Preferably, above-mentioned branch means can also comprise the fixture for subsequent use 162 being positioned at casing 150, for providing fixation identical with it when fixed part 160 loses efficacy, to improve the reliability of live wire input end 102 and fire wire output end portion 104 electrical connection respectively and between trunk live wire 300 and branch's live wire 330 further.As shown in Figure 4, fixture 162 for subsequent use can be the position for subsequent use wire chuck adjacent with above-mentioned wire chuck.
Preferably, the bottom of casing 150 is provided with opening 152, the position of opening 152 is corresponding with the position of fixed part 160, so that the wire fixed by fixed part 160 is drawn with can relying on own wt Relative vertical from casing 150, to reduce the bending of above-mentioned wire, thus reduce the failure rate of circuit.Preferably, the bottom of casing 150 as shown in Figure 4, the opening being positioned at left side is corresponding with the position of the wire chuck on the left of above-mentioned being positioned at, the opening being positioned at right side is corresponding with the position of wire chuck on the right side of above-mentioned being positioned at, so as branch's live wire 330, branch's zero line 360, trunk live wire roll off the production line 310 and trunk zero line roll off the production line and 322 can to draw from the bottom of casing 150 Relative vertical.Preferably, as shown in Figure 5, rubber orifice 154 can also be arranged with in opening 152, the foreign matter of above-mentioned opening 152 is less than for arrowhead, such as, rainwater, grit, toy etc., enter the inside of casing 150 by above-mentioned opening 152, thus the reliability of the distribution network at the branch means further increased in the embodiment of the present invention and place thereof.
Preferably, as shown in Figure 4, above-mentioned branch means can also comprise the multiple wire casings 170 be arranged in parallel being positioned at casing 150, in above-mentioned multiple wire casing 170 be arranged in parallel each for hold respectively following one of at least: branch's live wire 330, branch's zero line 360, trunk live wire roll off the production line 310, trunk zero line rolls off the production line 322.Wire casing 170, for making the wiring in casing 150 more clear, to improve overhaul efficiency, simultaneously by the specification of wire casing 170 pairs of lead location, reaches the object in the space of saving shared by above-mentioned wire.
A kind of the specific embodiment of the present invention is provided below by for the distribution network based on three-phase four-wire low-voltage basic routing line, as shown in Figure 6, the branch means of the present embodiment comprises: movable device 100, and optional casing 150, fixed part 160 and wire casing 170.
As shown in Figure 6, movable device 100 can comprise three live wire input end, 104, one, 102, three fire wire output end portions zero line input end 142 and a zero line output end 144, wherein, electric insulation between three live wire input end 102, each in three live wire input end 102 is electrically connected with in three fire wire output end portions 104 respectively, and zero line input end 142 is electrically connected with zero line output end 144.
As shown in Figure 6, three live wire input end 102 can be respectively used to roll off the production line with the first trunk live wire the 312, second trunk live wire roll off the production line 314 and the 3rd trunk live wire roll off the production line and 316 to be electrically connected, zero line input end 142 may be used for rolling off the production line with trunk zero line and 322 to be electrically connected, wherein, first trunk live wire roll off the production line the 312, second trunk live wire roll off the production line 314 and the 3rd trunk live wire roll off the production line and 316 can be electrically connected to different three-phase firewire in trunk overhead transmission line respectively, trunk zero line rolls off the production line and 322 can be electrically connected to zero line in this trunk overhead transmission line.
As shown in Figure 6, each in three fire wire output end portions 104 at least can comprise two nut terminals, zero line output end 144 at least can comprise six nut terminals, for realize under tightening state with the electrical connection of branch's live wire or branch's zero line and under the state of outwarding winding with the disconnection of any in branch's live wire or branch's zero line.Above-mentioned nut terminal is under tightening state, two the nut terminals being arranged in the fire wire output end portion 104 of top in Fig. 6 can be respectively used to be electrically connected with branch's live wire of branched line 210 and 212, two the nut terminals being arranged in middle fire wire output end portion 104 can be respectively used to be electrically connected with branch's live wire of branched line 220 and 222, two the nut terminals being arranged in the fire wire output end portion 104 of below can be respectively used to be electrically connected with branch's live wire of branched line 230 and 232, in zero line output end 144, six nut terminals in left side can be respectively used to and branched line 210, 212, 220, 222, branch's zero line electrical connection in 230 and 232, wherein, branched line 210, branched line 212, branched line 220, branched line 222, branched line 230 and branched line 232 can be electrically connected to different distribution terminals respectively.In above-mentioned nut terminal under the state of outwarding winding, can disconnect with one or more in the branch's live wire in branched line 210,212,220,222,230 and 232 and branch's zero line and being electrically connected.
Under above-mentioned scene, branched line 210, 212, 220, 222, arbitrary in 230 and 232, such as, when branched line 210 runs into fault, can first by the power-off of above-mentioned trunk overhead transmission line, then under the state of outwarding winding of above-mentioned nut terminal, the fire wire output end portion 104 above being arranged in is disconnected with branch's live wire of branched line 210, zero line output end 144 and the branch's zero line in branched line 210 are disconnected, then above-mentioned nut terminal is screwed to recover above-mentioned trunk overhead transmission line and branched line 212, 220, 222, the power supply of 230 and 232, malfunction elimination is carried out again for the branch's live wire in branched line 210 and branch's zero line, thus realize the technique effect shortening the power-off time of basic routing line and other branched lines in branched line malfunction elimination, also under the state of outwarding winding of above-mentioned nut terminal, the fire wire output end portion 104 above being arranged in can be disconnected with branch's live wire of branched line 210 and 212, zero line output end 144 and the branch's zero line in branched line 210 and 212 are disconnected, then above-mentioned nut terminal is screwed the power supply recovering above-mentioned trunk overhead transmission line and branched line 220,222,230 and 232, thus realize the technique effect of the power-off time shortening basic routing line and other branched lines corresponding to trunk live wire in branched line malfunction elimination.
On the other hand, when unbalanced problem appears in the load corresponding to the three-phase firewire in above-mentioned trunk overhead transmission line, three-phase equilibrium can also be realized by the connected mode adjusting branched line 210,212,220,222,230 and 232 in fire wire output end portion 104.Such as, when said sequence arrangement is pressed in the load of each self-corresponding distribution terminal of branched line 210,212,220,222,230 and 232 from small to large, following adjustment can be done: under the tightening state of above-mentioned nut terminal in fire wire output end portion 104, the fire wire output end portion 104 being arranged in top, for being electrically connected with branch's live wire of branched line 210 and 232, is arranged in the fire wire output end portion 104 of below for being electrically connected with branch's live wire of branched line 212 and 230.Certainly, this is a kind of example, the present invention does not limit this, other adjustment can also be made to the connected mode of branch's live wire in fire wire output end portion 104, such as, the fire wire output end portion 104 being positioned at top can also comprise the nut terminal of more than three, and for being electrically connected branch's live wire 210,212 and 220 simultaneously, and the fire wire output end portion being positioned at below may be used for being electrically connected separately branch's live wire 232.
Preferably, above-mentioned branch means can comprise casing 150.As shown in Figure 5, the front of casing 150 can be provided with sliding door 156, and the internal structure of casing 150 can be as shown in Figure 6.Four openings 152 can be provided with bottom casing 150, the position of four openings 152 can be corresponding with the wire chuck that casing 150 inside arranges in the horizontal direction and fixed part 160 respectively, wherein, as shown in Figure 6, one in opening 152 may be used for introducing first trunk live wire and rolls off the production line 312, second trunk live wire rolls off the production line 314, 3rd trunk live wire roll off the production line 316 and trunk zero line roll off the production line 322, other three in opening 152 can be respectively used to extraction and roll off the production line 312 with the first trunk live wire, second trunk live wire rolls off the production line 314, 3rd trunk live wire rolls off the production line 316 corresponding branch's live wires and the branch zero line paired with this branch's live wire, and above-mentioned wire can prolong multiple parallel wire casing 170 lays in casing 150 inside.By said structure, the reliability of distribution line can be improved, and the identification to each self-corresponding distribution line of the three-phase firewire in above-mentioned trunk overhead transmission line can be realized.
As can be seen from the above description, present invention achieves following technique effect:
1) by the design feature of above-mentioned movable device, the technique effect of the power-off time shortening basic routing line in branched line malfunction elimination is realized; And the technique effect of the power-off time of the All other routes shortened in this branched line outside circuit to be checked can be reached simultaneously
2) by the design feature of above-mentioned movable device, the technique effect of the power-off time shortening the All other routes in this branched line outside circuit to be checked in branched line malfunction elimination is further implemented in;
3) by adjustment branched line and the corresponding connected mode in the fire wire output end portion of above-mentioned movable device, the technique effect realizing load balance in fire wire output end portion is reached;
4) by above-mentioned casing and fixation portions part, the technique effect improving distribution line reliability is achieved.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a branch means, is characterized in that, comprising:
Movable device (100), comprise: live wire input end (102) and fire wire output end portion (104), described live wire input end (102) is for being electrically connected a trunk live wire (300) in trunk overhead wire, described fire wire output end portion (104) is for being electrically connected Duo Tiao branch live wire (330) in sub-stent ceases to be busy in a first state, disconnect with one or more in described branch live wire (330) in the second condition, wherein, described live wire input end (102) is electrically connected to described fire wire output end portion (104).
2. branch means according to claim 1, it is characterized in that, described movable device (110) comprising: N number of described live wire input end (102) and M described fire wire output end portion (104), wherein, each in described N number of live wire input end (102) is electrically connected with one or more in described M fire wire output end portion (104), electric insulation between described N number of live wire input end (102), each in described N number of live wire input end (102) is respectively used to be electrically connected trunk live wires (300) different in described trunk overhead wire, wherein, N is 2 or 3, M>=N.
3. branch means according to claim 1, it is characterized in that, described movable device (110) also comprises: zero line input end (142) and zero line output end (144), described zero line input end (142) is for being electrically connected the trunk zero line in described trunk overhead wire, described zero line output end (144) is for being electrically connected Duo Tiao branch zero line (360) in described sub-stent ceases to be busy in said first condition, disconnect with one or more in described branch zero line (360) in said second condition, wherein, described zero line input end (142) is electrically connected to described zero line output end (144).
4. branch means according to any one of claim 1 to 3, is characterized in that, described fire wire output end portion (104) comprising: nut terminal and/or spring terminal.
5. branch means according to any one of claim 1 to 3, is characterized in that, also comprises:
Casing (150), described movable device (110) is positioned at described casing (150).
6. branch means according to claim 5, is characterized in that, also comprises:
Fixed part (160), be positioned at described casing, described fixed part is used for branch's live wire (330) and/or trunk live wire described in described casing (150) internal fixtion and rolls off the production line (310), wherein, described live wire input end (102) is electrically connected to described trunk live wire (300) for rolled off the production line by described trunk live wire (310).
7. branch means according to claim 6, is characterized in that, the bottom of described casing (150) is provided with opening (152), and the position of described opening (152) is corresponding with the position of described fixed part (160).
8. branch means according to claim 5, is characterized in that, also comprises:
Multiple wire casing (170) be arranged in parallel, be positioned at described casing (150), each in described multiple wire casing (170) be arranged in parallel is for holding described branch live wire (330) respectively and/or trunk live wire rolls off the production line (310), wherein, described live wire input end (102) is electrically connected to described trunk live wire (300) for rolled off the production line by described trunk live wire (310).
9. branch means according to claim 5, it is characterized in that, described casing (150) has at least the width of a side to arrange according to the diameter of electric pole, described side is provided with the jockey (180) be fixedly connected with described casing (150), and described jockey (180) is for being connected to described electric pole by described casing (150).
10. branch means according to claim 5, is characterized in that, the outside of described casing (150) is provided with metal framework (190).
11. branch means according to claim 10, is characterized in that, also comprise: earthing device (192), are electrically connected with described metal framework (190), and described earthing device (192) is for being electrically connected with ground.
12. branch means according to claim 5, is characterized in that, the material of described casing (150) is reinforced plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310263538.7A CN104253431A (en) | 2013-06-27 | 2013-06-27 | Branching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310263538.7A CN104253431A (en) | 2013-06-27 | 2013-06-27 | Branching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104253431A true CN104253431A (en) | 2014-12-31 |
Family
ID=52188083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310263538.7A Pending CN104253431A (en) | 2013-06-27 | 2013-06-27 | Branching device |
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| Country | Link |
|---|---|
| CN (1) | CN104253431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634403A (en) * | 2017-09-27 | 2018-01-26 | 安捷励电控技术南京有限公司 | Tee connector |
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Application publication date: 20141231 |