CN211181840U

CN211181840U - Voltage transformer with isolation mechanism

Info

Publication number: CN211181840U
Application number: CN201922467931.3U
Authority: CN
Inventors: 李彬波
Original assignee: Zhengzhou Min'an Electric Co ltd
Current assignee: Zhengzhou Min'an Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-04
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a voltage transformer technical field just discloses a voltage transformer with isolating mechanism, including secondary winding, secondary winding's top fixed mounting has quantity to be two extension arms, two the equal fixed mounting in the outside of extension arm has high-voltage insulation sleeve, two the top of extension arm and the equal fixed mounting in top that is located high-voltage insulation sleeve have a binding post, secondary winding's outside fixed mounting has the fixed plate. This voltage transformer with isolating mechanism through setting up visor and lower visor, can reduce the air contact of unshakable in one's determination and external, sets up connecting seat, connecting seat and spacing ring down, can make things convenient for going up the visor and being connected between the visor down to reach the purpose of unshakable in one's determination externally mounted protection box, reduced the air contact unshakable in one's determination with the external world, reduced dust and adsorbed at unshakable in one's determination's outer wall, reduced the probability that voltage transformer broke down.

Description

Voltage transformer with isolation mechanism

Technical Field

The utility model relates to a voltage transformer technical field specifically is a voltage transformer with isolating mechanism.

Background

The voltage transformer is similar to a transformer and is an instrument for converting voltage, but the purpose of converting voltage of the transformer is to conveniently transmit electric energy, so that the capacity is very large, and usually kilovolt-ampere or megavolt-ampere is taken as a calculation unit, while the purpose of converting voltage of the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device and measuring voltage, power and electric energy of a line, or used for protecting valuable equipment, a motor and a transformer in the line when the line is in fault, so that the capacity of the voltage transformer is very small, usually only several volt-amperes and dozens of volt-amperes, and the maximum voltage of the voltage transformer is not more than one kilovolt-ampere.

The conventional voltage transformer with the isolation mechanism has the problems that the outside of an iron core is exposed to outside air too much, rainwater easily permeates in rainy days, dust is attached to the iron core in sunny days, and circuit faults are caused at last to influence normal power supply, so that the problem is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a voltage transformer with isolating mechanism possesses advantages such as iron core externally mounted protection box, has solved current voltage transformer with isolating mechanism and has had the iron core outside because too much exposes in the outside air, and rainwater weather is easily by rainwater infiltration, has the dust to adhere to easily during sunny weather, causes circuit fault at last, influences the problem of normal power supply.

(II) technical scheme

For realizing above-mentioned iron core externally mounted protection box purpose, the utility model provides a following technical scheme: a voltage transformer with an isolation mechanism comprises a secondary winding, wherein the top of the secondary winding is fixedly provided with two extension arms, the outer sides of the two extension arms are fixedly provided with a high-voltage insulating sleeve, the top of the two extension arms is fixedly provided with a primary connecting terminal above the high-voltage insulating sleeve, the outer side of the secondary winding is fixedly provided with a fixed plate, the outer side of the fixed plate is fixedly provided with an iron core, the bottom of the secondary winding is fixedly provided with a fixed seat, the top of the fixed seat is fixedly provided with insulating plates on the left side and the right side of the secondary winding, the outer sides of the two insulating plates are fixedly provided with a secondary connecting terminal, the outer side of the secondary winding is fixedly provided with an upper protective cover on the outer side of the iron core, the bottom of the upper protective cover is, the bottom of visor is seted up the drainage scattered gas pocket that quantity is two down, the equal fixed mounting in the left and right sides of going up the visor has last connecting seat, two the equal fixed mounting in the bottom of going up the connecting seat has the spacing ring, two the equal fixed mounting in the outside of spacing ring and the left and right sides that is located down the visor has lower connecting seat, two the equal threaded connection in inside of spacing ring has the screw, the bottom threaded connection that the outside of screw just is located lower connecting seat has the nut.

Preferably, the openings of the upper protective cover and the lower protective cover are matched in size, and a sliding groove matched with the secondary winding is formed in the upper protective cover.

Preferably, the lower connecting seat is internally provided with a through hole matched with the limiting ring, and the limiting ring is internally provided with a mounting hole matched with the screw.

Preferably, the two nuts are matched with the screws, and gaskets are movably mounted above the two nuts and on the outer sides of the screws.

Preferably, the two drainage air-dispersing holes are respectively positioned above the left side and the right side of the fixing seat, and the two drainage air-dispersing holes have the same size.

Preferably, the inside of lower connecting seat is seted up with the shifting chute of secondary winding looks adaptation, the length and the width of shifting chute all are less than the length and the width of fixing base.

(III) advantageous effects

Compared with the prior art, the utility model provides a voltage transformer with isolating mechanism possesses following beneficial effect:

the voltage transformer with the isolation mechanism is provided with the upper protective cover and the lower protective cover, so that the contact between an iron core and the outside air can be reduced, the upper connecting seat, the lower connecting seat and the limiting ring are arranged, the connection between the upper protective cover and the lower protective cover can be facilitated, the purpose of installing the protective box outside the iron core is achieved, the contact between the iron core and the outside air is reduced, dust is reduced and is adsorbed on the outer wall of the iron core, the fault probability of the voltage transformer is reduced, by arranging the drainage air dispersing holes, in rainy days, rainwater can possibly permeate through the gap between the upper protective cover and the secondary winding, the permeated rainwater can be discharged from the drainage air dispersing holes, the water vapor inside the protective box is reduced, the phenomenon that the secondary winding is excessively soaked due to accumulation of rainwater, the local short circuit of the voltage transformer is caused, the power transmission fault is caused, and through holes matched, the mounting hole that matches with the screw is seted up to the inside of spacing ring, can be more convenient when installing connecting seat and lower connecting seat.

Drawings

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

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1 secondary winding, 2 extension arms, 3 high-voltage insulating sleeves, 4 primary connecting terminals, 5 fixing plates, 6 iron cores, 7 secondary connecting terminals, 8 insulating plates, 9 fixing seats, 10 drainage air dispersing holes, 11 upper protective covers, 12 lower protective covers, 13 screws, 14 upper connecting seats, 15 limiting rings, 16 lower connecting seats and 17 nuts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 belong to the protection scope of the present invention.

Referring to fig. 1-3, the voltage transformer with an isolation mechanism includes a secondary winding 1, two extension arms 2 are fixedly installed on the top of the secondary winding 1, a high voltage insulating sleeve 3 is fixedly installed on the outer sides of the two extension arms 2, primary connection terminals 4 are fixedly installed on the top of the two extension arms 2 and above the high voltage insulating sleeve 3, a fixing plate 5 is fixedly installed on the outer side of the secondary winding 1, an iron core 6 is fixedly installed on the outer side of the fixing plate 5, a fixing seat 9 is fixedly installed on the bottom of the secondary winding 1, insulation plates 8 are fixedly installed on the top of the fixing seat 9 and on the left and right sides of the secondary winding 1, secondary connection terminals 7 are fixedly installed on the outer sides of the two insulation plates 8, an upper protection cover 11 is fixedly installed on the outer side of the secondary winding 1 and on the outer side of the iron core 6, and the openings of the, the inside of the upper protection cover 11 is provided with a sliding groove matched with the secondary winding 1, the bottom of the upper protection cover 11 is fixedly provided with a lower protection cover 12, the bottom of the lower protection cover 12 is provided with two drainage air dispersing holes 10, the two drainage air dispersing holes 10 are respectively positioned above the left side and the right side of the fixed seat 9, the two drainage air dispersing holes 10 are the same in size, the left side and the right side of the upper protection cover 11 are both fixedly provided with an upper connecting seat 14, the bottoms of the two upper connecting seats 14 are both fixedly provided with a limiting ring 15, the outer sides of the two limiting rings 15 and the left side and the right side of the lower protection cover 12 are both fixedly provided with a lower connecting seat 16, the inside of the lower connecting seat 16 is provided with a moving groove matched with the secondary winding 1, the length and the width of the moving groove are both smaller than those of the fixed seat 9, the inside of the lower connecting seat 16 is provided with a, the inside equal threaded connection of two spacing rings 15 has screw 13, and the outside of screw 13 and the bottom screw thread that is located connecting seat 16 down install nut 17, and two nuts 17 and screw 13 looks adaptations, and the outside movable mounting who just is located screw 13 in the top of two nuts 17 has the gasket.

In summary, the voltage transformer with the isolation mechanism is provided with the upper protection cover 11 and the lower protection cover 12, so that the contact between the iron core 6 and the outside air can be reduced, the upper connection seat 14, the lower connection seat 16 and the limiting ring 15 are arranged, so that the connection between the upper protection cover 11 and the lower protection cover 12 can be facilitated, the purpose of installing the protection box outside the iron core is achieved, the contact between the iron core 6 and the outside air is reduced, dust is prevented from being adsorbed on the outer wall of the iron core 6, the fault probability of the voltage transformer is reduced, by arranging the drainage air-diffusing hole 10, in rainy days, rainwater can possibly permeate through the gap between the upper protection cover 11 and the secondary winding 1, the permeated rainwater can be discharged from the drainage air-diffusing hole 10, the water vapor inside the protection box is reduced, and the phenomenon that the rainwater is accumulated to excessively soak the secondary winding 1 to cause the, through setting up the inside of connecting seat 16 down and offer the through hole with spacing ring 15 looks adaptation, the mounting hole with screw 13 looks adaptation is offered to the inside of spacing ring 15, can be more convenient when installing connecting seat 14 and connecting seat 16 down.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a voltage transformer with isolating mechanism, includes secondary winding (1), its characterized in that: the transformer comprises a secondary winding (1), wherein the top of the secondary winding (1) is fixedly provided with two extension arms (2), the outer sides of the two extension arms (2) are fixedly provided with a high-voltage insulating sleeve (3), the top of the two extension arms (2) is arranged above the high-voltage insulating sleeve (3) and is fixedly provided with a primary wiring terminal (4), the outer side of the secondary winding (1) is fixedly provided with a fixing plate (5), the outer side of the fixing plate (5) is fixedly provided with an iron core (6), the bottom of the secondary winding (1) is fixedly provided with a fixing seat (9), the top of the fixing seat (9) is fixedly provided with insulating plates (8) on the left side and the right side of the secondary winding (1), the outer sides of the insulating plates (8) are fixedly provided with a secondary wiring terminal (7), the outer side of the secondary winding (1) is fixedly provided with an upper protective cover, go up visor (11) bottom fixed mounting have down visor (12), the bottom of visor (12) is seted up quantity and is two drainage gas dissipation hole (10) down, go up equal fixed mounting in the left and right sides of visor (11) and have last connecting seat (14), two go up the equal fixed mounting in the bottom of connecting seat (14) and have spacing ring (15), two the equal fixed mounting in the left and right sides of outside and the left and right sides that is located down visor (12) of spacing ring (15) has lower connecting seat (16), two the equal threaded connection in inside of spacing ring (15) has screw (13), nut (17) are installed to the outside of screw (13) and the bottom screw thread that is located down connecting seat (16).

2. The voltage transformer with isolation mechanism of claim 1, wherein: the opening sizes of the upper protective cover (11) and the lower protective cover (12) are matched, and a sliding groove matched with the secondary winding (1) is formed in the upper protective cover (11).

3. The voltage transformer with isolation mechanism of claim 1, wherein: the inside of lower connecting seat (16) is seted up the through hole with spacing ring (15) looks adaptation, the inside of spacing ring (15) is seted up the mounting hole with screw (13) looks adaptation.

4. The voltage transformer with isolation mechanism of claim 1, wherein: the two nuts (17) are matched with the screws (13), and gaskets are movably mounted above the two nuts (17) and on the outer sides of the screws (13).

5. The voltage transformer with isolation mechanism of claim 1, wherein: the two drainage air-diffusing holes (10) are respectively positioned above the left side and the right side of the fixed seat (9), and the two drainage air-diffusing holes (10) have the same size.

6. The voltage transformer with isolation mechanism of claim 1, wherein: the inside of lower connecting seat (16) is seted up with the shifting chute of secondary winding (1) looks adaptation, the length and the width in shifting chute all are less than the length and the width of fixing base (9).