CN212571784U - Permanent magnet ring main unit - Google Patents
Permanent magnet ring main unit Download PDFInfo
- Publication number
- CN212571784U CN212571784U CN202021310320.4U CN202021310320U CN212571784U CN 212571784 U CN212571784 U CN 212571784U CN 202021310320 U CN202021310320 U CN 202021310320U CN 212571784 U CN212571784 U CN 212571784U
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- permanent magnet
- fixed
- circuit breaker
- annular block
- nut
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Abstract
The utility model provides a permanent magnetism looped netowrk cabinet, it includes the cabinet body, first cross slab, permanent magnetism circuit breaker and first annular block, first cross slab level is fixed internally at the cabinet, has seted up the through-hole on the first cross slab, and permanent magnetism circuit breaker includes permanent magnetism mechanism and circuit breaker, permanent magnetism mechanism and the equal vertical setting of circuit breaker and circuit breaker are fixed in the permanent magnetism mechanism below, and permanent magnetism circuit breaker inserts and locates in the through-hole, and first annular block cover is located on the permanent magnetism circuit breaker lateral wall and is fixed with permanent magnetism circuit breaker, and first annular block is located first cross slab top, makes permanent magnetism circuit breaker can fix on first cross slab to accomplish the fixing to single permanent magnetism circuit breaker.
Description
Technical Field
The utility model relates to a permanent magnetism looped netowrk cabinet field especially relates to a take permanent magnetism looped netowrk cabinet of permanent magnetism circuit breaker.
Background
In the ring main unit used in the domestic and foreign electric power system, the circuit breaker and the intelligent controller are correspondingly arranged on the three connected buses at the front half part in the cabinet body, and the three corresponding buses in the outgoing line device at the rear half part in the cabinet body extend out of the cabinet body. There is permanent magnetic mechanism to control the circuit breaker at present, but this permanent magnetic circuit breaker often forms a whole for three permanent magnetic circuit breaker at the looped netowrk cabinet, then this monolithic stationary controls the break-make of three solid insulation generating line on the looped netowrk cabinet, the position of three generating lines of this mode restriction access, and some special equipment inlet wire or outlet's distance is far away, lead to the looped netowrk cabinet must gather the generating line, through three permanent magnetic circuit breaker after, again with the generating line dispersion, with the outlet far away of corresponding distance, this mode leads to generating line wiring and fixed complicacy, and need the generating line more, consequently need part three permanent magnetic circuit breaker, fix single permanent magnetic circuit breaker.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can carry out the permanent magnetism looped netowrk cabinet fixed to single permanent magnetism circuit breaker.
The technical scheme of the utility model is realized like this: the utility model provides a permanent magnetism looped netowrk cabinet, it includes the cabinet body, first cross slab, permanent magnetism circuit breaker and first annular block, first cross slab level is fixed internally at the cabinet, has seted up the through-hole on the first cross slab, and permanent magnetism circuit breaker includes permanent magnetism mechanism and circuit breaker, permanent magnetism mechanism and the equal vertical setting of circuit breaker and circuit breaker are fixed in the permanent magnetism mechanism below, and permanent magnetism circuit breaker inserts and locates in the through-hole, and first annular block cover is located on the permanent magnetism circuit breaker lateral wall and fixed with permanent magnetism circuit breaker, and first annular block is located first cross slab top.
On the basis of above technical scheme, preferred, still including erecting baffle, second cross slab, isolator and controller, erect the baffle and vertically fix on two inner walls about the cabinet body, first cross slab and second cross slab level set up in erecting baffle both sides and both ends respectively with erect baffle and cabinet internal side wall fixed, the controller is fixed in on the second cross slab, permanent magnet circuit breaker and isolator are connected with the controller electricity respectively, and the generating line is connected with permanent magnet circuit breaker and isolator.
Preferably, the number of the bus, the number of the permanent magnet circuit breakers and the number of the isolating switches are three, three bus inserting holes are formed in the side face of the cabinet body, three bus receiving holes are formed in the side face of the cabinet body opposite to the three bus inserting holes, and the three buses are inserted into the bus inserting holes respectively and are received out of the bus receiving holes.
Still further preferably, the three grounding switches are further included, and the three bus bars are electrically connected with the three grounding switches respectively.
On the basis of the technical scheme, the breaker further comprises a second annular block, a third annular block, a fourth annular block, a bolt and a first nut, wherein the first annular block is sleeved on the outer side wall of the permanent magnetic mechanism and fixed with the permanent magnetic mechanism, the second annular block is sleeved on the outer side wall of the breaker mechanism and fixed with the breaker mechanism, the third annular block is fixed above the first annular block and provided with a first through hole, the fourth annular block is fixed below the second annular block and provided with a second through hole relative to the first through hole, the bolt penetrates through the first through hole and the second through hole, and the first nut is in threaded connection with the bolt to fix the first annular block and the second annular block.
On the basis of above technical scheme, it is preferred, the circuit breaking mechanism includes stud, second nut, insulating pull rod, conducting rod, contact, vacuum interrupter and seals utmost point post admittedly, the vertical setting of stud, the stud top is fixed with the second nut through threaded connection, and the stud below is vertical to be fixed with insulating pull rod, and the vertical conducting rod that is fixed with in insulating pull rod below is provided with the contact under the conducting rod, the vacuum interrupter cover is located outside conducting rod and the contact, it is equipped with the trompil to seal utmost point post top and bottom admittedly, and contact and stud insert and locate in the trompil.
Still further preferably, the permanent magnet mechanism includes a drive rod fixed directly above the stud bolt.
Preferably, the driving rod is provided with a first internal thread below, the driving rod is fixed with the stud bolt through threaded connection, the second nut is located between the stud bolt and the driving rod, and the second nut is screwed up relative to the driving rod to enable the driving rod to be fastened on the stud bolt.
Preferably, the circuit breaking mechanism further comprises a third nut, wherein an internal thread is formed below the insulating pull rod, the insulating pull rod is fixed with the stud bolt through threaded connection, the third nut is located between the stud bolt and the insulating pull rod, and the third nut is screwed up relative to the insulating pull rod to enable the insulating pull rod to be fastened on the stud bolt.
The utility model discloses a permanent magnetism looped netowrk cabinet has following beneficial effect for prior art:
(1) the permanent magnet circuit breaker is characterized in that a first annular block is arranged, the first annular block is sleeved on the outer side wall of the permanent magnet circuit breaker and fixed with the permanent magnet circuit breaker, and the first annular block is positioned above a first diaphragm plate, so that the permanent magnet circuit breaker can be fixed on the first diaphragm plate;
(2) through setting up first annular piece, second annular piece, third annular piece, fourth annular piece, bolt and first nut, first annular piece cover is located on the permanent-magnet mechanism lateral wall and is fixed with permanent-magnet mechanism, second annular piece cover is located on the circuit breaker mechanism lateral wall and is fixed with circuit breaker mechanism, the third annular piece is fixed in first annular piece top and has seted up first through-hole, fourth annular piece is fixed in second annular piece below and has seted up the second through-hole relative to first through-hole, the bolt passes first through-hole and second through-hole, and first nut makes first annular piece and second annular piece fixed through being connected with bolt thread, makes permanent-magnet mechanism and circuit breaker mechanism fixed mutually.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view structural diagram of a permanent magnet ring main unit of the present invention;
fig. 2 is a side view structural diagram of a permanent magnet ring main unit of the present invention;
fig. 3 is a perspective view of a third annular block and a fourth annular block of the permanent magnet ring main unit of the present invention;
fig. 4 is the utility model discloses a permanent magnetism looped netowrk cabinet's permanent magnetism circuit breaker's block diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2-4, the utility model discloses a permanent magnetism looped netowrk cabinet, it includes cabinet body 1, first cross slab 2, permanent magnet circuit breaker 3, first annular piece 4, erect baffle 5, second cross slab 6, isolator 7, controller 8, earthing switch 9, second annular piece 10, third annular piece 20, fourth annular piece 30, bolt 40 and first nut 50.
The cabinet body 1 is used for placing various electrical components. Three bus insertion holes 11 are formed in the side face of the cabinet body 1, three bus connection holes are formed in the side face, opposite to the three bus insertion holes, of the cabinet body 1, and the three buses are inserted into the bus insertion holes 11 respectively and connected out of the bus connection holes.
Permanent magnetism circuit breaker 3 is used for the quick break-make of control circuit, and is concrete, and permanent magnetism circuit breaker 3 includes permanent magnetism mechanism 31 and circuit break mechanism 32, permanent magnetism mechanism 31 and the equal vertical setting of circuit break mechanism 32 and circuit break mechanism 32 are fixed in permanent magnetism mechanism 31 below. The circuit breaking mechanism 32 is fixed below the permanent magnet mechanism 31, so that the bus does not need to pass through the first diaphragm plate 2, and the wiring is simpler.
The permanent magnet mechanism 31 includes a closing coil, an opening coil, a moving iron core, a magnetic yoke, a permanent magnet, an armature and a driving rod 311, when the circuit breaker is in the opening position, the moving iron core is at the upper part, the gap between the moving iron core and the magnetic yoke at the upper part is smaller, the corresponding magnetic resistance is also smaller, the gap between the moving iron core and the magnetic yoke at the lower part is larger, and the corresponding magnetic resistance is also larger, so that most of the magnetic force lines formed by the permanent magnet are concentrated at the upper part, thereby generating a large upward attractive force to tightly attach the moving iron core to the upper part. When the circuit breaker is to be switched on, the switching-on coil generates an induction magnetic field through switching-on current, the magnetic field generates downward attraction force on the movable iron core, the downward attraction force is changed from small to large along with the increase of the switching-on current, and when the switching-on current reaches a certain critical value, the resultant force direction borne by the movable iron core is downward and the movable iron core starts to move downward. When the movable iron core reaches the lower part, the movable iron core is firmly adsorbed to the lower part by the magnetic field generated by the permanent magnet and the closing coil. After a few seconds, the closing current disappears, at which time the magnetic field generated by the permanent magnet keeps the moving core in the lower position. So far, the circuit breaker completes the closing operation. Based on the same principle, when the opening coil is electrified, the movable iron core moves upwards and is also kept at the opening position by the permanent magnet.
More specifically, the permanent magnet mechanism 31 includes a driving rod 311, and the driving rod 311 is fixed directly above the stud bolt 321. Therefore, the driving rod 311 in the permanent magnet mechanism 31 can drive the stud 321 to move, and the permanent magnet circuit breaker 3 is switched on and off.
More specifically, the breaking mechanism 32 includes stud 321, second nut 322, insulating pull rod 323, conducting rod 324, contact 325, vacuum interrupter 326 and seals utmost point post 327 admittedly, the vertical setting of stud 321, the stud 321 top is fixed with second nut 322 through threaded connection, and the vertical insulating pull rod 323 that is fixed with in stud 321 below, the vertical conducting rod 324 that is fixed with in insulating pull rod 323 below, is provided with contact 325 under the conducting rod 324, outside conducting rod 324 and contact 325 were located to vacuum interrupter 326 cover, it is equipped with the trompil to seal utmost point post 327 top and bottom admittedly, and contact 325 and stud 321 insert and locate in the trompil. The second nut 322 is used to prevent the driving rod 311 from moving up too far after the yoke is damaged, which results in the conductive rod 324 moving up too far, and thus causing damage to the vacuum interrupter 326.
More specifically, the permanent magnet mechanism 31 includes a driving rod 311, and the driving rod 311 is fixed directly above the stud bolt 321. Thus, the driving rod 311 moves to drive the conductive rod 324 to move, thereby controlling the on/off of the circuit.
More specifically, a first internal thread is formed below the driving rod 311, the driving rod 311 is fixed to the stud 321 through threaded connection, the second nut 322 is located between the stud 321 and the driving rod 311, and the second nut 322 is screwed to the driving rod 311, so that the driving rod 311 is fastened to the stud 321. The second nut 322 is used to fasten the driving rod 311 to the stud bolt 321.
More specifically, the disconnecting mechanism 32 further includes a third nut 328, a second internal thread is formed below the insulating pull rod 323, the insulating pull rod 323 is fixed to the stud bolt 321 through threaded connection, the third nut 328 is located between the stud bolt 321 and the insulating pull rod 323, and the third nut 328 is screwed to the insulating pull rod 323, so that the insulating pull rod 323 is fastened to the stud bolt 321. The third nut 328 is used to fasten the insulating tie bar 323 to the stud bolt 321.
First annular piece 4 is used for making permanent magnet circuit breaker 3 can fix on first diaphragm 2, and is specific, and first annular piece 4 cover is located on 3 lateral walls of permanent magnet circuit breaker and is fixed with permanent magnet circuit breaker 3, and first annular piece 4 is located first diaphragm 2 tops. Because permanent magnetism mechanism 31 and the size of mechanism 32 that opens circuit are unanimous basically, under some circumstances, permanent magnetism mechanism 31 bottom area is less than the mechanism 32 bottom area that opens circuit, inserts permanent magnetism circuit breaker 3 and locates the through-hole in the back, locates on the 3 lateral walls of permanent magnetism circuit breaker 3 with first annular piece 4 cover, so makes permanent magnetism circuit breaker 3 can fix on first diaphragm 2 to accomplish the fixed to single permanent magnetism circuit breaker.
The vertical partition 5 is used for fixing the second transverse partition 6. Specifically, erect baffle 5 and vertically fix on two inner walls about the cabinet body 1, first cross slab 2 and 6 levels of second cross slab set up in erecting baffle 5 both sides and both ends respectively with erect baffle 5 and the cabinet body 1 inside wall is fixed.
The second diaphragm 6 is used to fix the controller 8. Specifically, the controller 8 is fixed to the second bulkhead 6.
The disconnecting switch 7 is used for controlling the circuit to be opened when the permanent magnet circuit breaker 3 is in an accident. Specifically, the permanent magnet circuit breaker 3 and the disconnecting switch 7 are electrically connected with the controller 8 respectively, and the bus is connected with the permanent magnet circuit breaker 3 and the disconnecting switch 7.
More specifically, the number of the bus, the permanent magnet circuit breaker 3 and the disconnecting switch 7 is three. Each bus is inserted from the bus insertion hole 11, and is connected with the permanent magnet circuit breaker 3 and the disconnecting switch 7 and then is connected out from the bus connection hole.
The controller 8 is used for controlling the three permanent magnet breakers 3 and the three disconnectors 7.
The grounding switch 9 is used for preventing short circuit, and the three buses are respectively and electrically connected with the three grounding switches 9.
The second ring block 10, the third ring block 20, the fourth ring block 30, the bolt 40 and the first nut 50 are used for fixing the permanent magnet mechanism 31 and the circuit breaking mechanism 32. Specifically, the first ring block 4 is sleeved on the outer side wall of the permanent magnet mechanism 31 and fixed with the permanent magnet mechanism 31, the second ring block 10 is sleeved on the outer side wall of the circuit breaking mechanism 32 and fixed with the circuit breaking mechanism 32, the third ring block 20 is fixed above the first ring block 4 and is provided with a first through hole, the fourth ring block 30 is fixed below the second ring block 10 and is provided with a second through hole opposite to the first through hole, the bolt 40 penetrates through the first through hole and the second through hole, and the first nut 50 is in threaded connection with the bolt 40 to fix the first ring block 4 and the second ring block 10. In the prior art, the permanent magnet mechanism 31 and the circuit breaking mechanism 32 are fixed by externally arranging a fixing frame at the joint, and then the three permanent magnet mechanisms 31 and the three circuit breaking mechanisms 32 are integrally fixed, but because the permanent magnet circuit breaker is single, and the first annular block 4 is arranged at the joint of the permanent magnet mechanism 31 and the circuit breaking mechanism 32, the permanent magnet mechanism 31 and the circuit breaking mechanism 32 are fixed by using a new fixing mode, the mode makes new use of the first annular block 4, and compared with the prior art, the fixing is simpler, and the permanent magnet mechanism 31 and the circuit breaking mechanism 32 are convenient to detach.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a permanent magnetism looped netowrk cabinet, its includes cabinet body (1), first cross slab (2) and permanent magnetism circuit breaker (3), its characterized in that: further comprising a first annular block (4);
the first transverse partition plate (2) is horizontally fixed in the cabinet body (1), and a through hole is formed in the first transverse partition plate (2);
the permanent magnet circuit breaker (3) comprises a permanent magnet mechanism (31) and a circuit breaking mechanism (32), the permanent magnet mechanism (31) and the circuit breaking mechanism (32) are both vertically arranged, the circuit breaking mechanism (32) is fixed below the permanent magnet mechanism (31), and the permanent magnet circuit breaker (3) is inserted into the through hole;
the first annular block (4) is sleeved on the outer side wall of the permanent magnet circuit breaker (3) and fixed with the permanent magnet circuit breaker (3), and the first annular block (4) is located above the first diaphragm plate (2).
2. The permanent magnet ring main unit as claimed in claim 1, wherein: still including erecting baffle (5), second cross slab (6), isolator (7) and controller (8), erect baffle (5) and vertically fix on two inner walls about the cabinet body (1), first cross slab (2) and second cross slab (6) level set up in erecting baffle (5) both sides and both ends respectively with erect baffle (5) and the cabinet body (1) inside wall fixed, controller (8) are fixed in on second cross slab (6), permanent magnet circuit breaker (3) and isolator (7) are connected with controller (8) electricity respectively, and the generating line is connected with permanent magnet circuit breaker (3) and isolator (7).
3. The permanent magnet ring main unit as claimed in claim 2, wherein: the number of the buses, the permanent magnet circuit breakers (3) and the isolating switches (7) is three, three bus inserting holes (11) are formed in the side face of the cabinet body (1), three buses are arranged on the side face, opposite to the three bus inserting holes, of the cabinet body (1) and are connected with the holes, the three buses are respectively inserted from the bus inserting holes (11), and the buses are connected with the holes to be connected out.
4. The permanent magnet ring main unit as claimed in claim 3, wherein: the three-phase alternating current motor further comprises three grounding switches (9), and the three buses are electrically connected with the three grounding switches (9) respectively.
5. The permanent magnet ring main unit as claimed in claim 1, wherein: the breaker is characterized by further comprising a second annular block (10), a third annular block (20), a fourth annular block (30), a bolt (40) and a first nut (50), wherein the first annular block (4) is sleeved on the outer side wall of the permanent magnet mechanism (31) and fixed with the permanent magnet mechanism (31), the second annular block (10) is sleeved on the outer side wall of the breaker mechanism (32) and fixed with the breaker mechanism (32), the third annular block (20) is fixed above the first annular block (4) and provided with a first through hole, the fourth annular block (30) is fixed below the second annular block (10) and provided with a second through hole relative to the first through hole, the bolt (40) penetrates through the first through hole and the second through hole, and the first nut (50) is in threaded connection with the bolt (40) to enable the first annular block (4) and the second annular block (10) to be fixed.
6. The permanent magnet ring main unit as claimed in claim 1, wherein: mechanism (32) opens circuit includes stud (321), second nut (322), insulating pull rod (323), conducting rod (324), contact (325), vacuum interrupter (326) and seals utmost point post (327) admittedly, the vertical setting of stud (321), stud (321) top is fixed with second nut (322) through threaded connection, and stud (321) below is vertical to be fixed with insulating pull rod (323), and the vertical conducting rod (324) that is fixed with in insulating pull rod (323) below is provided with contact (325) under conducting rod (324), outside conducting rod (324) and contact (325) were located to vacuum interrupter (326) cover, it is equipped with the trompil to seal utmost point post (327) top and bottom admittedly, and contact (325) and stud (321) are inserted and are located the trompil.
7. The permanent magnet ring main unit as claimed in claim 6, wherein: the permanent magnet mechanism (31) comprises a driving rod (311), and the driving rod (311) is fixed right above the stud bolt (321).
8. The permanent magnet ring main unit as claimed in claim 7, wherein: first internal threads are formed below the driving rod (311), the driving rod (311) is fixed with the stud bolt (321) through threaded connection, the second nut (322) is located between the stud bolt (321) and the driving rod (311), and the second nut (322) is screwed up relative to the driving rod (311) so that the driving rod (311) is fastened on the stud bolt (321).
9. The permanent magnet ring main unit as claimed in claim 6, wherein: the circuit breaking mechanism (32) further comprises a third nut (328), a second internal thread is formed below the insulating pull rod (323), the insulating pull rod (323) is fixed with the stud bolt (321) through threaded connection, the third nut (328) is located between the stud bolt (321) and the insulating pull rod (323), and the third nut (328) is screwed up relative to the insulating pull rod (323 so that the insulating pull rod (323) is fastened on the stud bolt (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021310320.4U CN212571784U (en) | 2020-07-07 | 2020-07-07 | Permanent magnet ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021310320.4U CN212571784U (en) | 2020-07-07 | 2020-07-07 | Permanent magnet ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571784U true CN212571784U (en) | 2021-02-19 |
Family
ID=74619794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021310320.4U Active CN212571784U (en) | 2020-07-07 | 2020-07-07 | Permanent magnet ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212571784U (en) |
-
2020
- 2020-07-07 CN CN202021310320.4U patent/CN212571784U/en active Active
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