CN2409697Y - Drop-off permanent magnet sectionalizing device - Google Patents

Abstract

The utility model belongs to an outdoor high voltage distribution wire control and protection device, which is composed of an insulator, a conducting mechanism subassembly, a control circuit and a permanent magnetic mechanism. The side of the insulator is provided with the conducting mechanism subassembly and the permanent magnetic mechanism. The upper and the lower parts of the conducting mechanism subassembly are fixedly provided with movable contacts which are respectively contacted and connected with an upper and a lower static contacts which are fixed on the insulator. The upper part of the permanent magnetic mechanism is fixedly provided with a release mechanism. The utility model has the advantages that since the permanent magnetic mechanism controls and realizes the break of subsection points, the utility model can be automatically isolated from the fault line sections, and the faultless line sections are run normally; the arrangement is similar to a falling type fuse; the structure is simple and reliable; the operation is simple; obstacle avoidance does not need to replace the fusing piece; the utility model has no protection dead area.

Description

Drop type permanent magnetism sectionalizer

The utility model relates to a kind of outdoor high-voltage distribution line control and protective device, is specially adapted to be used with automatic circuit or circuit breaker.

Just the openly similar patented technology of patent documentation has the drop type sectionalizer at present, its structure is on the load lock exploder to be housed, detonator is housed in the exploder, needing to change electric cap after opening quick-fried separating brake could close a floodgate again, its advantage is stable and reliable operation, the scope of application is wide, save line fault, guaranteed that high-tension line normally moves, but its weak point is to use trouble, needs to change electric cap, could close a floodgate again, and electric cap use and keeping requires high safety measure, give to install and use and make troubles.

For solving the deficiency of above sectionalizer structure, the purpose of this utility model provides a kind of drop type permanent magnetism sectionalizer, utilize the permanent magnet mechanism in this sectionalizer that the high-tension line faulty line is isolated, make automatic circuit or circuit breaker successful reclosing, guaranteed the normal operation of circuit effectively.

The structural design of the utility model is achieved in that this sectionalizer structure mainly forms (as shown in Figure 1) by insulator, conductive mechanism assembly, control circuit and permanent magnet mechanism four parts mounting panel wherein is housed in the middle of vertical insulator, connect with the fixing electrical mechanisms of sending, the two ends of insulator are fixed with lower connecting terminal respectively, upper connecting terminal connects with bolt with upper static contact, location-plate is equipped with on upper static contact top, and rain cover is housed simultaneously; Equally, lower connecting terminal connects with bolt with following fixed contact, on bolt, be fixed with the lower seat frame simultaneously, in the side of insulator electricity is housed and leads mechanism assembly, the conductive mechanism assembly is a metallic cylinder, the lower end connects with rotating shaft with the lower seat frame, lower moving contact is equipped with in the lower end simultaneously, contact connection with following fixed contact, conductive mechanism assembly upper end is equipped with moving contact equally, and the outer end contacts connection in the form of a ring with upper static contact, at the center of conductive mechanism assembly control circuit is housed, the outside is with current transformer, permanent magnet mechanism is equipped with in conductive mechanism assembly side, and relieving mechanism is housed above the permanent magnet mechanism, and upper and lower static contact such as all adopts at the mutual pressure type structure in gap, every group of contact is made up of a plurality of conductive contact blades and is angled with level, contacts connection with the inclined-plane of last lower moving contact respectively; The electronic device that functions such as transducer, the energy storage of intelligent trouble recognition memory are housed on the control circuit is formed; Permanent magnet mechanism outside is one to possess the support (as shown in Figure 2) of electro-magnetic screen function, the center is a moving iron core, magnetic pole and yoke are housed below the iron core, be with the coil assembling on iron core, the iron core top is with spring, and topmost is for regulating end cap, the lower end relative with iron core is magnet, be screening electrode below the magnet, end cap and sheath are housed bottom, the center connects with control circuit by lead.An assembly that connects with moving iron core is a relieving mechanism, the relieving mechanism level is a thick stick plate, the thick stick plate contacts with moving iron core termination, thick stick plate side is for separating pallet, separating pallet top is that lock dog, thick stick plate, separation pallet and lock dog all are fixed on the pivoted arm, based on the conductive mechanism assembly, entire mechanism is an integral body.

The advantage of the utility model: isolated fault track section automatically, the fault-free track section normally moves; Installation is similar to fuse switch, and is simple and reliable for structure, and simple to operate fixing a breakdown need do not changed fuse member; The unprotect dead band; Obvious disconnection mouth is arranged, be more conducive to the distribution operation maintenance; Antiseptic property is strong, round-the-clock running, and all metal fittings all adopt copper and stainless steel material.

The detailed structure of the utility model is provided by following examples and accompanying drawing.

Fig. 1 is a drop type permanent magnetism sectionalizer structure principle chart;

Fig. 2 is a drop type permanent magnetism sectionalizer permanent magnet mechanism structure chart;

Fig. 3 is a drop type permanent magnetism sectionalizer upper static contact structure chart;

Fig. 4 is static contact structure figure under the drop type permanent magnetism sectionalizer.

Its structure as shown in drawings, 1 is mounting panel, is fixed on the center of insulator 2,3 is upper connecting terminal, and 18 is lower connecting terminal, and the centre is that conductive plate connects with upper static contact 4, above 5 be location-plate, 6 is rain cover, with insulator 2 corresponding 9 be the conductive mechanism assembly, control circuit 8 is equipped with in inside, and the outside is with instrument transformer 19, below relieving mechanism 10 be lock dog, 11 for separating pallet, 12 is the thick stick plate, is that permanent magnet mechanism 13,20 is an iron core below the relieving mechanism, 29 is support, 30 for adjusting end cap, and 21 is spring, and 22 are the coil assembling, 23 is magnetic pole, 24 is yoke, and 25 is magnet, and 26 is barricade, 27 is end cap, 28 is sheath, and 31 is the last conductive plate of upper static contact 4 on the upper static contact, and 32 is copper rivet, 34 conductive plates for following fixed contact 15,33 is copper rivet, and upper and lower static contact is fixed together with pole plate respectively, receives on the control circuit below by connecting wire.

Its course of work is that lock dog is fixedly mounted on the conducting rod of conductive component, control circuit is installed in the conducting rod, permanent magnet mechanism, separation pallet, thick stick plate are installed on the pivoted arm, torsion by torsion spring, separation pallet and lock dog on the pivoted arm are pinned, make conductive component and pivoted arm constitute separable conductive solid.When accepting the energy of control board input, permanent magnet mechanism moves out on the moving iron core like this, and then percussion thick stick plate and separation pallet, it is separated with lock dog, thereby pivoted arm changes outward, conductive component is moved down, moving contact is deviate from the check plate of umbrella fit on, and drop down and finish separating brake, with action bars the moving iron core of thick stick plate compression is resetted, and be pushed into backward buffer substrate tablet make separate pallet and lock dog locked again, in the last movable contact of cross level angle insertion of action bars can being enclosed end to end then, upwards push and make moving contact and check plate pinning in the rain cover targeting port, finish combined floodgate, this product is by type approval test, on-the-spot operation and provincial new product evaluation reach requirement fully.

Claims (4)

1. drop type permanent magnetism sectionalizer, it is characterized in that this sectionalizer is by insulator (2), conductive mechanism assembly (9), control circuit (8) and permanent magnet mechanism (13) four parts are formed, mounting panel (1) wherein is housed in the middle of insulator (2), the two ends of insulator (2) are fixed with lower connecting terminal respectively, upper connecting terminal (3) connects with bolt with upper static contact (4), location-plate (5) is equipped with on upper static contact (4) top, rain cover (6) is housed simultaneously, lower connecting terminal (18) connects with bolt with following fixed contact (15), on bolt, be fixed with pressure-bearing frame (16) down simultaneously, conductive mechanism assembly (9) is equipped with in the side of insulator (2), the lower end connects with rotating shaft with following pressure-bearing frame (6), lower moving contact (14) is equipped with in the lower end simultaneously, contact connection with following fixed contact (15), at the center of conductive mechanism assembly (9) control circuit (8) is housed, the outside is with current transformer (19), and permanent magnet mechanism (13) is equipped with in conductive mechanism assembly (9) side.

2. according to the described sectionalizer of claim 1, it is characterized in that permanent magnet mechanism (13) outside is one to have the support (29) of electro-magnetic screen function, the center is a moving iron core (20), magnetic pole (23) and yoke (24) are housed below the iron core (20), on iron core (20), be with coil assembling (22), the iron core top is with spring (21), topmost is for regulating end cap (30), the lower end relative with iron core (20) is magnet (25), below the magnet (25) is barricade (26), and end cap (27) and sheath (28) are housed bottom.

3. according to the described sectionalizer of claim 1, it is characterized in that the relieving mechanism level is a thick stick plate (12), thick stick plate (12) contacts with moving iron core (20) termination, and thick stick plate (12) side is lock dog (10) for separating pallet (11) with separating pallet (11) contact.

4. according to the described sectionalizer of claim 1, it is characterized in that all mutual pressure type structures in gap such as employing of upper and lower static contact (4) (15), every group of contact is made up of a plurality of conductive contact blades and is angled with level, and the inclined-plane with last lower moving contact (7) (14) contacts connection respectively.

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