CN214588386U

CN214588386U - Transformer core ground connection pin structure

Info

Publication number: CN214588386U
Application number: CN202120888717.XU
Authority: CN
Inventors: 闫程博; 刘阳; 朱贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-02
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a transformer iron core grounding lead structure, which comprises a base, wherein one end of the base is fixedly provided with a fan, an iron core is fixedly arranged above the base, and a coil is fixedly arranged on the iron core; set up the lead wire and pass through the bayonet lock with transformer core and be connected, the one end ground connection of lead wire, the other end is connected on the lead wire socket, plug on the lead wire passes through the bayonet lock and inserts the slot, change the traditional mode of connection of lead wire, it is more convenient to make the lead wire install, it is more convenient to maintain simultaneously and change, it is more convenient to use, it is fixed to be provided with the supplementary lead wire of mount, when installing the lead wire, can open the lower plate, put into the lead wire, it is closed with the lower plate again, the realization is pressed from both sides tightly, avoid the lead wire not hard up, splint can also alleviate the vibration that partial transformer during operation produced, make the lead wire can work under high vibration environment for a long time, avoid the transformer to produce ground fault because of the lead wire is not hard up.

Description

Transformer core ground connection pin structure

Technical Field

The utility model relates to a transformer technical field specifically is a transformer core ground lead structure.

Background

When the transformer is in operation or in test, metal parts such as the iron core and parts are all in a strong electric field, and the static induction acts on the iron core or other metal structures to generate suspension potential, so that the parts are damaged due to earth discharge, which is not allowed, and the iron core and all metal components thereof must be reliably grounded except the screw.

In order to eliminate the discharge of the transformer to the ground, the iron core of the transformer needs to be grounded through the lead, the traditional wiring structure is complex to disassemble and assemble, the installation speed of the transformer is influenced, the lead is inconvenient to maintain and replace, meanwhile, the transformer works in a mode of large vibration, and the grounding lead is easy to loosen and fall off due to long-term vibration, so that the normal work of the transformer is influenced.

Therefore, a transformer core grounding lead structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer core ground connection pin configuration to it is complicated to provide traditional wiring structure dismouting in solving above-mentioned background art, influences the installation rate of transformer, and the maintenance change lead wire of being not convenient for, and the transformer work is that the vibration is great simultaneously, and ground connection pin receives long-term vibration and becomes flexible easily and drops, influences the problem of the normal work of transformer.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer iron core grounding lead structure comprises a base, wherein a fan is fixedly installed at one end of the base, an iron core is fixedly installed above the base, a coil is fixedly installed on the iron core, a clamping piece is fixedly installed at one side of the top end of the iron core, a lead socket is fixedly installed on the clamping piece, a fixing frame is fixedly installed at one side of the lead socket, a high-voltage terminal is fixedly installed at one side of the fixing frame, a radiating air pipe is fixedly installed at the inner side of the coil, a high-voltage connecting piece is fixedly installed on the coil, a high-voltage connecting rod is fixedly installed at one side of the high-voltage connecting piece, a copper bar is fixedly installed above the coil, an inserting groove is formed in the lead socket, a guide piece is fixedly installed at the bottom of the inserting groove, a lead is fixedly installed at one side of the lead socket, and a lead plug is fixedly installed at one end of the lead, the lead wire plug is fixedly provided with an elastic sheet, the fixing frame is movably provided with a clamping plate, the upper end of the clamping plate is fixedly provided with an upper clamping plate, the lower end fixing box of the clamping plate is provided with a lower clamping plate, and the lower clamping plate is provided with a lead wire groove.

By adopting the technical scheme, one end of the lead is grounded, the other end of the lead is connected to the lead socket, and the plug on the lead is inserted into the slot through the bayonet lock, so that the traditional wiring mode of the lead is changed, the lead is more convenient to mount and more convenient to maintain and replace; the lead wire is fixed by the splint assistance on the mount, when the installation lead wire, can open the lower plate, puts into the lead wire, again with the lower plate closure, the realization is pressed from both sides tightly, avoids the lead wire not hard up, splint can also alleviate the vibration that part transformer during operation produced for the lead wire can work under high vibration environment for a long time, avoids the transformer to produce ground fault because of the lead wire is not hard up.

Preferably, the lead wire sockets and the fixing frames are provided with a plurality of groups, the lead wire sockets of the plurality of groups are uniformly arranged on the clamping piece, and the fixing frames of the plurality of groups are respectively arranged on one sides of the lead wire sockets of the plurality of groups.

Through adopting above-mentioned technical scheme, the one end ground connection of lead wire, the other end is connected on the lead wire socket, and the mount can assist the lead wire fixed, prevents that the lead wire is not hard up.

Preferably, the lead and the lead socket are connected through the mutual matching and clamping of the lead plug and the slot, and the elastic sheet is elastically connected with the lead socket.

Through adopting above-mentioned technical scheme, change the traditional mode of connection of lead wire, the plug on the lead wire passes through the bayonet lock and inserts the slot for it is more convenient that the lead wire installation, and it is more convenient to maintain simultaneously and change.

Preferably, the bottom of the guide vane is movably provided with a top plate, and the bottom of the top plate is provided with a plurality of groups of springs.

Through adopting above-mentioned technical scheme, the guide vane receives the outside effort of roof for the guide vane is more inseparable with being connected of lead wire, avoids hookup location department contact failure.

Preferably, the clamping plates are arranged in four groups, and the four groups of clamping plates are uniformly arranged on the fixing frame.

Through adopting above-mentioned technical scheme, the lead wire is by the splint auxiliary fixation on the mount, and the vibration that part transformer during operation produced can also be alleviated to splint simultaneously, avoids the lead wire not hard up.

Preferably, the bottom of the upper clamping plate is fixedly provided with a rubber sleeve, and the inside of the lead groove is fixedly provided with anti-skidding teeth.

Through adopting above-mentioned technical scheme for splint are more stable when cliping the lead wire, reduce external vibration to the influence of lead wire connection compactness.

Preferably, the lower clamping plate is rotatably connected with the fixing frame.

Through adopting above-mentioned technical scheme, the lower plate can be opened, closed, when the installation lead wire, opens the lower plate, puts into the lead wire, closes the lower plate again, realizes pressing from both sides tightly.

Preferably, the base is fixedly provided with an air pipe inside, one end of the air pipe is fixed and communicated with the heat dissipation air pipe, and the other end of the air pipe is communicated with the fan.

Through adopting above-mentioned technical scheme, be the iron core heat dissipation of transformer through the fan, be favorable to improving the heat-sinking capability of transformer iron core, avoid the overheated incident that produces of transformer.

Preferably, one end of the lead is fixedly provided with a current detection device, and one end of the current detection device is connected with a resistor.

By adopting the technical scheme, the other end of the lead is grounded, the current of the power connection wire can be detected in real time through the current detection device, and the lead is normally grounded when the current of the lead is less than 0.1 ampere.

Preferably, the coil is divided into a low-voltage coil and a high-voltage coil, and the low-voltage coil and the high-voltage coil are respectively arranged on two sides of the iron core.

By adopting the technical scheme, the transformer changes the circuit voltage through the electric appliance induction principle, and the voltage ratio of the low-voltage coil and the high-voltage coil is equal to the turn ratio of the low-voltage coil and the high-voltage coil.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lead is connected with the transformer core through the bayonet lock, one end of the lead is grounded, the other end of the lead is connected to the lead socket, and the plug on the lead is inserted into the slot through the bayonet lock, so that the traditional wiring mode of the lead is changed, the lead is more convenient to mount, more convenient to maintain and replace and more convenient to use;

2. be provided with the supplementary lead fixation of mount, when the installation lead wire, can open the lower plate, put into the lead wire, closed the lower plate again, the realization is pressed from both sides tightly, avoids the lead wire not hard up, and splint can also alleviate the vibration that partial transformer during operation produced for the lead wire can work under high vibration environment for a long time, avoids the transformer to produce ground fault because of the lead wire is not hard up.

Drawings

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

fig. 2 is a schematic view of the connection relationship between the lead socket and the lead of the present invention;

FIG. 3 is a schematic view of the fixing frame of the present invention;

fig. 4 is a schematic view of the splint structure of the present invention.

In the figure: 1. copper bars; 2. an iron core; 3. a clamp; 4. a high voltage terminal; 5. a lead socket; 6. a fixed mount; 7. a high pressure connecting rod; 8. a high-voltage connecting sheet; 9. a base; 10. a fan; 11. a coil; 12. a heat dissipation air pipe; 13. a guide plate; 14. a slot; 15. a lead plug; 16. a lead wire; 17. an elastic sheet; 18. a splint; 19. an upper splint; 20. a lower splint; 21. a lead groove.

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 to 4, the present invention provides a technical solution: a transformer iron core grounding lead structure is disclosed, as shown in figures 1 to 4, and comprises a base 9, a fan 10 is fixedly installed at one end of the base 9, an iron core 2 is fixedly installed above the base 9, a coil 11 is fixedly installed on the iron core 2, a clamping piece 3 is fixedly installed at one side of the top end of the iron core 2, a lead socket 5 is fixedly installed on the clamping piece 3, a fixing frame 6 is fixedly installed at one side of the lead socket 5, a high-voltage terminal 4 is fixedly installed at one side of the fixing frame 6, a radiating air pipe 12 is fixedly installed at the inner side of the coil 11, a high-voltage connecting piece 8 is fixedly installed on the coil 11, a high-voltage connecting rod 7 is fixedly installed at one side of the high-voltage connecting piece 8, a copper bar 1 is fixedly installed above the coil 11, a slot 14 is formed inside the lead socket 5, a guide piece 13 is fixedly installed at the bottom of the slot 14, a lead 16 is fixedly installed at one side of the lead socket 5, and a lead plug 15 is fixedly installed at one end of the lead 16, the lead plug 15 is fixedly provided with an elastic sheet 17, the fixing frame 6 is movably provided with a clamping plate 18, the upper end of the clamping plate 18 is fixedly provided with an upper clamping plate 19, the lower end fixing box of the clamping plate 18 is provided with a lower clamping plate 20, and the lower clamping plate 20 is provided with a lead slot 21.

By adopting the technical scheme, one end of the lead 16 is grounded, the other end of the lead 16 is connected to the lead socket 5, the plug 15 on the lead 16 is inserted into the slot 14 through the bayonet lock, and the traditional wiring mode of the lead 16 is changed, so that the lead 16 is more convenient to mount and more convenient to maintain and replace; lead 16 is by the supplementary fixed of splint 18 on the mount 6, when installation lead 16, can open lower plate 20, puts into lead 16, and is closed with lower plate 20 again, realizes pressing from both sides tightly, avoids lead 16 not hard up, and splint 18 can also alleviate the vibration that part transformer during operation produced for lead 16 can work under the high vibration environment for a long time, avoids the transformer to produce ground fault because of the lead is not hard up.

Specifically, as shown in fig. 1, the lead sockets 5 and the fixing frames 6 are respectively provided with a plurality of groups, the plurality of groups of lead sockets 5 are uniformly installed on the clamping member 3, and the plurality of groups of fixing frames 6 are respectively installed on one side of the plurality of groups of lead sockets 5.

Through adopting above-mentioned technical scheme, the one end ground connection of lead wire 16, the other end is connected on lead wire socket 5, and mount 6 can assist lead wire 16 fixed, prevents that lead wire 16 is not hard up.

Specifically, as shown in fig. 2, the lead 16 and the lead socket 5 are engaged with each other by the mating engagement of the lead plug 15 and the socket 14, and the elastic piece 17 is elastically connected to the lead socket 5.

Through adopting above-mentioned technical scheme, change the traditional mode of connection of lead wire 16, plug 15 on the lead wire 16 passes through the bayonet lock and inserts slot 14 for lead wire 16 installs more conveniently, and it is more convenient to maintain the change simultaneously.

Specifically, as shown in fig. 2, a top plate is movably mounted at the bottom of the guide vane 13, and a plurality of sets of springs are mounted at the bottom of the top plate.

By adopting the technical scheme, the guide sheet 13 is subjected to the outward acting force of the top plate, so that the connection between the guide sheet 13 and the lead 16 is tighter, and poor contact at the connection position is avoided.

Specifically, as shown in fig. 3, the splints 18 are provided in four groups, and the four groups of splints 18 are uniformly mounted on the fixing frame 6.

By adopting the technical scheme, the lead 16 is fixed by the clamping plate 18 on the fixing frame 6 in an auxiliary manner, and meanwhile, the clamping plate 18 can also relieve vibration generated during the working of part of the transformer, so that the lead 16 is prevented from loosening.

Specifically, as shown in fig. 4, a rubber sleeve is fixedly mounted at the bottom of the upper clamping plate 19, and anti-slip teeth are fixedly mounted inside the lead groove 21.

By adopting the technical scheme, the clamping plate 18 is more stable when clamping the lead 16, and the influence of external vibration on the connection tightness of the lead 16 is reduced.

Specifically, as shown in fig. 4, the lower clamp plate 20 is rotatably connected to the fixing frame 6.

By adopting the technical scheme, the lower clamp plate 20 can be opened and closed, when the lead 16 is installed, the lower clamp plate 20 is opened, the lead 16 is placed in, and then the lower clamp plate 20 is closed, so that clamping is realized.

Specifically, as shown in fig. 1, an air pipe is fixedly installed inside the base 9, one end of the air pipe is fixedly communicated with a heat dissipation air pipe 12, and the other end of the air pipe is communicated with a fan 10.

By adopting the technical scheme, the fan 10 is used for radiating the heat of the iron core 2 of the transformer, so that the heat radiating capacity of the iron core of the transformer is improved, and safety accidents caused by overheating of the transformer are avoided.

Specifically, as shown in fig. 1 and 2, a current detection device is fixedly mounted at one end of the lead 16, and a resistor is connected to one end of the current detection device.

By adopting the technical scheme, the other end of the lead 16 is grounded, the current of the power connection wire can be detected in real time through the current detection device, and the lead 16 is normally grounded when the current is less than 0.1 ampere.

Specifically, as shown in fig. 1, the coil 11 is divided into a low voltage coil and a high voltage coil, which are respectively disposed on both sides of the core 2.

The working principle is as follows: one end of the lead 16 is grounded, the other end of the lead 16 is connected to the lead socket 5, and the plug 15 on the lead 16 is inserted into the slot 14 through a bayonet lock, so that the traditional wiring mode of the lead 16 is changed, the lead 16 is more convenient to mount, and meanwhile, the maintenance and the replacement are more convenient; lead 16 is by the supplementary fixed of splint 18 on the mount 6, when installation lead 16, can open lower plate 20, puts into lead 16, and is closed with lower plate 20 again, realizes pressing from both sides tightly, avoids lead 16 not hard up, and splint 18 can also alleviate the vibration that part transformer during operation produced for lead 16 can work under the high vibration environment for a long time, avoids the transformer to produce ground fault because of the lead is not hard up.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 transformer core ground connection pin configuration, includes base (9), its characterized in that: a fan (10) is fixedly mounted at one end of the base (9), an iron core (2) is fixedly mounted above the base (9), a coil (11) is fixedly mounted on the iron core (2), a clamping piece (3) is fixedly mounted on one side of the top end of the iron core (2), a lead socket (5) is fixedly mounted on the clamping piece (3), a fixing frame (6) is fixedly mounted on one side of the lead socket (5), a high-voltage terminal (4) is fixedly mounted on one side of the fixing frame (6), a radiating air pipe (12) is fixedly mounted on the inner side of the coil (11), a high-voltage connecting piece (8) is fixedly mounted on the coil (11), a high-voltage connecting rod (7) is fixedly mounted on one side of the high-voltage connecting piece (8), a copper bar (1) is fixedly mounted above the coil (11), and a slot (14) is formed in the lead socket (5), the bottom fixed mounting of slot (14) has guide plate (13), one side fixed mounting of lead wire socket (5) has lead wire (16), the one end fixed mounting of lead wire (16) has lead wire plug (15), fixed mounting has elastic sheet (17) on lead wire plug (15), movable mounting has splint (18) on mount (6), the upper end fixed mounting of splint (18) has punch holder (19), lower plate (20) are installed to the lower extreme set box of splint (18), lead wire groove (21) have been seted up on lower plate (20).

2. The transformer core grounding lead structure according to claim 1, characterized in that: the lead wire sockets (5) and the fixing frames (6) are provided with a plurality of groups, the lead wire sockets (5) of the groups are uniformly installed on the clamping piece (3), and the fixing frames (6) of the groups are respectively installed on one sides of the lead wire sockets (5) of the groups.

3. The transformer core grounding lead structure according to claim 1, characterized in that: the lead (16) and the lead socket (5) are mutually matched, clamped and connected through a lead plug (15) and a slot (14), and the elastic piece (17) is elastically connected with the lead socket (5).

4. The transformer core grounding lead structure according to claim 1, characterized in that: the bottom movable mounting of guide vane (13) has the roof, a plurality of groups of springs are installed to the bottom of roof.

5. The transformer core grounding lead structure according to claim 1, characterized in that: the four groups of clamping plates (18) are arranged, and the four groups of clamping plates (18) are uniformly arranged on the fixed frame (6).

6. The transformer core grounding lead structure according to claim 1, characterized in that: the bottom of the upper clamping plate (19) is fixedly provided with a rubber sleeve, and the inside of the lead groove (21) is fixedly provided with anti-skidding teeth.

7. The transformer core grounding lead structure according to claim 1, characterized in that: the lower splint (20) is rotationally connected with the fixed frame (6).

8. The transformer core grounding lead structure according to claim 1, characterized in that: the air pipe is fixedly arranged inside the base (9), one end of the air pipe is fixedly communicated with the heat dissipation air pipe (12), and the other end of the air pipe is communicated with the fan (10).

9. The transformer core grounding lead structure according to claim 1, characterized in that: one end of the lead (16) is fixedly provided with a current detection device, and one end of the current detection device is connected with a resistor.

10. The transformer core grounding lead structure according to claim 1, characterized in that: the coil (11) is divided into a low-voltage coil and a high-voltage coil which are respectively arranged on two sides of the iron core (2).