CN219017384U

CN219017384U - Three-phase voltage transformer

Info

Publication number: CN219017384U
Application number: CN202222814726.1U
Authority: CN
Inventors: 周立民; 冯建金; 王庆虎
Original assignee: Xianning Fengyuan High Tech Electric Co ltd
Current assignee: Xianning Fengyuan High Tech Electric Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-12
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a three-phase voltage transformer, which belongs to the technical field of voltage transformers and comprises a protective shell, wherein a transformer body is arranged on the inner wall of the protective shell, wiring terminals are arranged on the inner wall of the transformer body, a ventilation groove is formed in the outer wall of the protective shell in a penetrating mode, a hinge plate is movably connected with the inner wall of the ventilation groove, an air filter plate is fixedly connected with the inner wall of the ventilation groove, a control device is arranged on the front face of the protective shell, and a heat dissipation mechanism is arranged on the front face of the protective shell. This three-phase voltage transformer, through the radiating mechanism who sets up for the radiator fan carries out even heat dissipation to the transformer body, and then accomplishes the heat dissipation to the transformer body, thereby has improved the radiating efficiency to the transformer body, has prevented that the transformer body from using for a long time in summer high temperature from causing the condition of transformer high temperature to take place, has improved the security that the transformer body used in summer, has increased whole device's life.

Description

Three-phase voltage transformer

Technical Field

The utility model relates to the technical field of voltage transformers, in particular to a three-phase voltage transformer.

Background

The voltage transformer is similar to a transformer, is used for transforming voltage, but the purpose of transforming voltage by the transformer is to conveniently transmit electric energy, so that the capacity is very large, generally kilovolt-ampere or megavolt-ampere is taken as a calculation unit, the purpose of transforming voltage by the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring voltage, power and electric energy of a line or protecting valuable equipment, a motor and the transformer in the line when the line breaks down, and the capacity of the voltage transformer is very small, generally only a few volt-ampere or tens of volt-ampere, and is not more than one kilovolt-ampere at maximum.

The existing voltage transformer usually adopts ventilation to complete heat dissipation of the three-phase voltage transformer, so that the temperature of the three-phase voltage transformer is overhigh when the three-phase voltage transformer is used in summer, and the internal circuit of the three-phase voltage transformer is burnt out due to the high temperature of the transformer, so that the stability of the three-phase voltage transformer in summer cannot be ensured, and the use requirement of the three-phase voltage transformer in summer cannot be met.

Disclosure of Invention

The utility model aims to provide a three-phase voltage transformer so as to solve the problem that the three-phase voltage transformer provided in the background art is poor in heat dissipation effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a three-phase voltage transformer, includes the protective housing, the inner wall of protective housing is provided with the mutual-inductor body, and the inner wall of mutual-inductor body installs the wiring end, the ventilation groove has been seted up in the outer wall of protective housing run through, and the inner wall swing joint of ventilation groove has the hinge board, the inner wall fixedly connected with air filter plate of ventilation groove, the front of protective housing is provided with controlling means, and the front of protective housing is provided with cooling body.

Preferably, the number of the hinge plates is a plurality of, the hinge plates are connected to the inner wall of the ventilation groove in an equidistance sliding mode, the number of the ventilation grooves is two, and the two ventilation grooves are symmetrically arranged by taking the perpendicular bisector of the protective shell as a symmetrical axis.

Preferably, the filter holes are formed in one side of the air filter plate in a penetrating mode, the number of the filter holes is a plurality, the filter holes formed in the air filter plate are formed in the plurality of the filter holes in the air filter plate at equal distances on one side of the air filter plate, and the air filter plate is made of activated carbon.

Preferably, the heat dissipation mechanism is connected with a motor through a transmission line, an output shaft of the motor is connected with a shaft lever through a coupling,

preferably, the outer wall of the shaft lever is provided with a driver, and the inner wall of the driver is provided with a screw rod, and the screw rod and the shaft lever form a rotating structure through the driver.

Preferably, the outer wall bearing of the screw rod is connected with a bearing ring, the outer wall of the screw rod is connected with a clamping ring in a threaded manner, the inner wall of the clamping ring is provided with a threaded hole, and the clamping ring and the screw rod form a sliding structure through the threaded hole.

Preferably, the outer wall fixedly connected with alignment jig of snap ring, and the inner wall of alignment jig is provided with the heat dissipation fan, the quantity of heat dissipation fan is four, and per two heat dissipation fans be a set of, two sets of the heat dissipation fan uses the perpendicular bisector of transformer body to set up as symmetry axis symmetry.

Preferably, the outer wall fixedly connected with expansion link of alignment jig, and the inner wall sliding connection of expansion link has the slide bar, the outer wall of expansion link and the inner wall shape size mutual match of slide bar.

Compared with the prior art, the utility model has the beneficial effects that: the three-phase voltage transformer;

1. according to the three-phase voltage transformer, through the arrangement of the heat dissipation mechanism, when a user needs to ensure the heat dissipation effect on the transformer body, the heat dissipation fan uniformly dissipates heat to the transformer body through the arranged heat dissipation mechanism, so that the heat dissipation of the transformer body is completed, the heat dissipation efficiency of the transformer body is improved, the occurrence of the condition that the transformer body is too high in temperature due to long-time use in summer is prevented, the use safety of the transformer body in summer is improved, and the service life of the whole device is prolonged;

2. this three-phase voltage transformer, through the setting of hinge board and air filter plate, when the user needs to guarantee the dustproof effect to the transformer body, through hinge board and the air filter plate that sets up, make the air adsorb through the air filter plate, then through the heat dissipation mechanism with the inside heat of protective housing and air discharge from the opposite side, accomplish the heat dissipation to the protective housing inside, thereby prevent that the dust from getting into the interior part damage that leads to the transformer body in the protective housing, and then ensured the inside clean and tidy nature of protective housing, the life of transformer body has been improved, the practicality of whole device has been increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the protective shell according to the present utility model;

FIG. 3 is a schematic view of the connection structure of the protective shell and the air filter plate according to the utility model;

fig. 4 is a schematic diagram of an internal structure of the heat dissipation mechanism of the present utility model.

In the figure: 1. a protective shell; 2. a transformer body; 3. a terminal; 4. a ventilation groove; 5. a hinge plate; 6. an air filter plate; 7. a control device; 8. a heat dissipation mechanism; 801. a motor; 802. a shaft lever; 803. a driver; 804. a screw rod; 805. a bearing ring; 806. a clasp; 807. an adjusting frame; 808. a heat dissipation fan; 809. a movable ring; 810. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the three-phase voltage transformer comprises a protective shell 1, wherein the inner wall of the protective shell 1 is provided with a transformer body 2, the inner wall of the transformer body 2 is provided with a wiring terminal 3, the outer wall of the protective shell 1 is penetrated and provided with a ventilation groove 4, the inner wall of the ventilation groove 4 is movably connected with a hinge plate 5, the inner wall of the ventilation groove 4 is fixedly connected with an air filter plate 6, the front surface of the protective shell 1 is provided with a control device 7, the front surface of the protective shell 1 is provided with a heat dissipation mechanism 8, the number of the hinge plates 5 is a plurality of, the hinge plates 5 are in equidistant sliding connection with the inner wall of the ventilation groove 4, the number of the ventilation grooves 4 is two, the two ventilation grooves 4 are symmetrically arranged by taking the perpendicular bisector of the protective shell 1 as a symmetrical axis, the filter holes are formed in one side of the air filter plate 6 in a penetrating mode, the number of the filter holes is a plurality, the filter holes formed in the air filter plate 6 are equidistantly formed in one side of the air filter plate 6, the air filter plate 6 is made of activated carbon, air is adsorbed through the air filter plate 6 through the hinge plate 5 and the air filter plate 6, then heat and air in the protective shell 1 are discharged from the other side through the heat radiating mechanism 8, heat radiation of the interior of the protective shell 1 is completed, dust is prevented from entering the protective shell 1, the damage to internal parts of the transformer body 2 is prevented, the inside neatness of the protective shell 1 is guaranteed, the service life of the transformer body 2 is prolonged, and the practicability of the whole device is improved;

the heat dissipation mechanism 8 comprises a motor 801, a shaft rod 802, a driver 803, a screw rod 804, a bearing ring 805, a clamping ring 806, an adjusting bracket 807, a heat dissipation fan 808, a movable ring 809 and a sliding rod 810, wherein the heat dissipation mechanism 8 is connected with the motor 801 through a transmission line, an output shaft of the motor 801 is connected with the shaft rod 802 through a coupling, the outer wall of the shaft rod 802 is provided with the driver 803, the inner wall of the driver 803 is provided with the screw rod 804, the screw rod 804 forms a rotary structure with the shaft rod 802 through the driver 803, the outer wall bearing of the screw rod 804 is connected with the bearing ring 805, the outer wall of the screw rod 804 is in threaded connection with the clamping ring 806, the inner wall of the clamping ring 806 is provided with a threaded hole, the clamping ring 806 forms a sliding structure with the screw rod 804 through the threaded hole, the outer wall of the clamping ring 806 is fixedly connected with the adjusting bracket 807, and the inner wall of the adjusting bracket is provided with the heat dissipation fan 808, the quantity of cooling fan 808 has four, and every two cooling fans 808 are a set of, two sets of cooling fans 808 use the perpendicular bisector of transformer body 2 to set up as symmetry axis symmetry, the outer wall fixedly connected with expansion ring 809 of alignment jig 807, and the inner wall sliding connection of expansion ring 809 has slide bar 810, the outer wall of expansion ring 809 matches each other with the inner wall shape size of slide bar 810, through the cooling machanism 8 that sets up, make cooling fan 808 evenly dispel the heat to transformer body 2, and then accomplish the heat dissipation to transformer body 2, thereby the radiating efficiency to transformer body 2 has been improved, the condition that transformer body 2 used for a long time in summer causes transformer temperature to take place, the security that transformer body 2 used in summer has been improved, the life of whole device has been increased.

Working principle: when the three-phase voltage transformer is used, firstly, the control device 7 is used for enabling the transformer body 2 to drive the wiring terminal 3 to work, when the transformer body 2 is required to dissipate heat, the motor 801 is used for driving the shaft rod 802 to rotate, the inner wall of the driver 803 is provided with the shaft rod 802 and the screw rod 804, the screw rod 804 is further rotated, the bearing ring 805 is further connected with the outer wall bearing of the screw rod 804, the bearing ring 805 is further used for ensuring the stability of the rotation of the screw rod 804, the clamping ring 806 in threaded connection with the outer wall of the screw rod 804 is further provided with the threaded hole formed in the inner wall of the screw rod, the clamping ring 806 is further enabled to slide along the screw rod 804 through the threaded hole, the clamping ring 806 is enabled to drive the adjusting frame 807 with the fixed outer wall to slide, and the heat dissipation fan 808 arranged on the inner wall of the adjusting frame 807 is further enabled to start to dissipate heat of the transformer body 2, simultaneously, the adjusting frame 807 drives the movable ring 809 with the fixed outer wall to slide along the sliding rod 810, and then the heat dissipation fan 808 is adjusted up and down, so that the heat dissipation fan 808 dissipates heat uniformly to the transformer body 2, then the hinge plate 5 is adjusted to adjust the angle along the inner wall of the ventilation groove 4, after the heat dissipation mechanism 8 is started, air enters the protective shell 1 through the hinge plate 5 and the ventilation groove 4, so that the air is adsorbed by the air filter plate 6, then the heat and the air in the protective shell 1 are discharged from the other side through the heat dissipation mechanism 8, the heat dissipation to the inside of the protective shell 1 is completed, the heat dissipation efficiency to the transformer body 2 is improved, the occurrence of the condition that the transformer is too high in temperature due to long-time use of the transformer body 2 in summer is prevented, the safety that the transformer body 2 used in summer has been improved, has increased whole device's life, has prevented simultaneously that the dust from getting into in the protective housing 1 from leading to the damage of the internals of transformer body 2, and then has ensured the inside neatly nature of protective housing 1, has improved the life of transformer body 2, has increased whole device's practicality.

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

Claims

1. Three-phase voltage transformer, including protective housing (1), its characterized in that: the inner wall of protective housing (1) is provided with transformer body (2), and the inner wall of transformer body (2) installs wiring end (3), ventilation groove (4) have been run through to the outer wall of protective housing (1), and the inner wall swing joint of ventilation groove (4) has hinge board (5), the inner wall fixedly connected with air filter board (6) of ventilation groove (4), the front of protective housing (1) is provided with controlling means (7), and the front of protective housing (1) is provided with cooling machanism (8).

2. The three-phase voltage transformer according to claim 1, wherein the number of the hinge plates (5) is several, the hinge plates (5) are slidably connected to the inner wall of the ventilation slots (4) at equal intervals, the number of the ventilation slots (4) is two, and the two ventilation slots (4) are symmetrically arranged with the perpendicular bisector of the protective shell (1) as a symmetry axis.

3. The three-phase voltage transformer according to claim 1, wherein a plurality of filter holes are formed in one side of the air filter plate (6), the plurality of filter holes are formed in the air filter plate (6), the plurality of filter holes formed in the air filter plate (6) are equidistantly formed in one side of the air filter plate (6), and the air filter plate (6) is made of activated carbon.

4. A three-phase voltage transformer according to claim 1, characterized in that the heat dissipation means (8) is connected with a motor (801) via a transmission line, and the output shaft of the motor (801) is connected with a shaft (802) via a coupling.

5. The three-phase voltage transformer according to claim 4, characterized in that the outer wall of the shaft (802) is provided with a driver (803), and the inner wall of the driver (803) is provided with a screw (804), the screw (804) and the shaft (802) constituting a rotating structure through the driver (803).

6. The three-phase voltage transformer according to claim 5, wherein the outer wall bearing of the screw rod (804) is connected with a bearing ring (805), the outer wall of the screw rod (804) is in threaded connection with a clamping ring (806), the inner wall of the clamping ring (806) is provided with a threaded hole, and the clamping ring (806) and the screw rod (804) form a sliding structure through the threaded hole.

7. The three-phase voltage transformer according to claim 6, wherein the outer wall of the snap ring (806) is fixedly connected with an adjusting frame (807), and the inner wall of the adjusting frame (807) is provided with heat dissipation fans (808), the number of the heat dissipation fans (808) is four, and each two heat dissipation fans (808) are in a group, and the two heat dissipation fans (808) are symmetrically arranged by taking a perpendicular bisector of the transformer body (2) as a symmetry axis.

8. The three-phase voltage transformer according to claim 7, wherein the outer wall of the adjusting frame (807) is fixedly connected with a movable ring (809), and the inner wall of the movable ring (809) is slidably connected with a sliding rod (810), and the shape and the size of the outer wall of the movable ring (809) are matched with those of the inner wall of the sliding rod (810).