CN211294858U

CN211294858U - Oval voltage transformer

Info

Publication number: CN211294858U
Application number: CN202020404636.3U
Authority: CN
Inventors: 郭彦浩; 于文虎; 王真真; 史秀文; 王寅灿
Original assignee: Shanghai Wusong Electric Industrial Co ltd
Current assignee: Shanghai Wusong Electric Industrial Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-08-18
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses an oval voltage transformer, which comprises an outer shell, the side installation outlet duct of shell body installs pneumatic valve assembly on the outlet duct, the terminal box is installed on the opposite side of shell body, the both sides installation lifting hinge of shell body upper end, shell body top installation link, link top set up the insulator safety cover, the insulator safety cover with set up the insulator between the link, the below of shell body sets up explosion-proof equipment, and the supporting legs is connected to the below of shell body, the below ground connection piece of supporting legs. The utility model relates to an oval voltage transformer, through insulator safety cover and insulator set up effectual voltage with in the shell and keep apart, avoid appearing the potential safety hazard of electric leakage, improve user's security, improve inside radiating efficiency through setting up the louvre, explosion-proof shell and connection gum cover can avoid the heat to pile up the too much explosion that leads to and burn out, improve voltage transformer life.

Description

Oval voltage transformer

Technical Field

The utility model relates to a voltage transformer technical field specifically is an oval voltage transformer.

Background

Voltage transformers and transformers are very similar and are used to transform the voltage on a line. However, the purpose of transforming voltage by the transformer is to transmit electric energy, so the capacity is large, and the capacity is generally calculated by kilovolt-ampere or mega volt-ampere; the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring the voltage, power and electric energy of a line, or protecting valuable equipment, a motor and a transformer in the line when the line fails, so that the capacity of the voltage transformer is small, generally only a few volt-amperes and dozens of volt-amperes, and the maximum voltage of the voltage transformer does not exceed one thousand volt-amperes. When the voltage transformer is used, the iron core is subjected to magnetic saturation due to sudden change of current, so that the temperature rises suddenly, the voltage transformer is damaged, and even serious accidents are caused due to explosion.

Disclosure of Invention

An object of the utility model is to provide an oval voltage transformer, through insulator safety cover and insulator set up effectual voltage with in the shell and keep apart, avoid appearing the potential safety hazard of electric leakage, improve user's security, improve inside radiating efficiency through setting up the louvre, explosion-proof shell can avoid with the connection gum cover that the heat piles up the too much explosion that leads to and burns out, improves voltage transformer life, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oval voltage transformer, includes the shell body, the side installation outlet duct of shell body, installation pneumatic valve assembly on the outlet duct, the terminal box is installed on another side of shell body, and the both sides installation lifting hinge of shell body upper end, shell body top installation link, link top set up the insulator safety cover, the insulator safety cover with set up the insulator between the link, the below of shell body sets up explosion-proof equipment, and the supporting legs is connected to the below of shell body, the below ground connection piece of supporting legs.

Preferably, the air valve assembly comprises an air valve mounting seat and a control air valve, the control air valve is mounted on the air valve mounting seat, and the air valve mounting seat is sleeved on the air outlet pipe in a sealing mode.

Preferably, the terminal box is fixedly arranged at the side end of the outer shell, the four ends of the terminal box are fixed by fixing screws, and a nameplate is arranged on the front panel of the terminal box.

Preferably, the connecting end and the insulator protection cover are sealed by the insulator, and the connecting end, the insulator protection cover and two side ends of the insulator are fixed by bolts.

Preferably, explosion-proof equipment includes explosion-proof housing, connection gum cover and fixing bolt, sets up the connection gum cover between the explosion-proof housing, and the explosion-proof housing bottom is fixed by three fixing bolt, sets up a plurality of louvre on the connection gum cover.

Preferably, the supporting legs and the grounding blocks are both provided with two groups, the supporting legs are arranged below the outer shell, and each grounding block is provided with a grounding block pressing plate.

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

the utility model relates to an oval voltage transformer, the connecting end and the insulator protective cover are sealed by the insulator, and the connecting end, the insulator protective cover and the two side ends of the insulator are fixed by the fastening bolt, the explosion-proof device comprises an explosion-proof shell, a connecting rubber sleeve and a fixing bolt, the connecting rubber sleeve is arranged between the explosion-proof shell, the bottom end of the explosion-proof shell is fixed by three fixing bolts, a plurality of heat dissipation holes are arranged on the connecting rubber sleeve, the supporting legs and the grounding blocks are arranged in two groups, the supporting legs are arranged below the installation shell body, each grounding block is provided with a grounding block pressing plate, the voltage in the shell is effectively isolated by the arrangement of the insulator protective cover and the insulator, the potential safety hazard of electric leakage is avoided, the safety of users is improved, the internal heat dissipation efficiency is improved by arranging the heat dissipation holes, the explosion burning caused by excessive, the service life of the voltage transformer is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a cross-sectional view of the overall structure of the present invention;

fig. 4 is a top view of the air valve mounting seat structure of the present invention.

In the figure: 1. an outer housing; 11. an air outlet pipe; 12. a connecting end; 2. an air valve assembly; 21. a valve mount; 22. a control air valve; 3. a junction box; 31. a nameplate; 4. lifting a climbing bar; 5. an insulator protection cover; 6. an insulator; 7. an explosion-proof device; 71. an explosion-proof housing; 72. connecting a rubber sleeve; 73. fixing the bolt; 8. supporting legs; 9. and a grounding block.

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. 1-4, an oval voltage transformer comprises an outer shell 1, an air outlet pipe 11 is installed on one side edge of the outer shell 1, an air valve assembly 2 is installed on the air outlet pipe 11, a junction box 3 is installed on the other side edge of the outer shell 1, lifting flaps 4 are installed on two sides of the upper end of the outer shell 1, a connecting end 12 is installed on the top end of the outer shell 1, an insulator protecting cover 5 is arranged above the connecting end 12, an insulator 6 is arranged between the insulator protecting cover 5 and the connecting end 12, an explosion-proof device 7 is arranged below the outer shell 1, supporting legs 8 are connected below the outer shell 1, a grounding block 9 below the supporting legs 8, the air valve assembly 2 comprises an air valve mounting seat 21 and a control air valve 22, the control air valve 22 is installed on the air valve mounting seat 21, the air valve mounting seat 21 is sleeved on the air outlet pipe 11 in a sealing manner, the, the connecting end 12 and the insulator protecting cover 5 are sealed by the insulator 6, the connecting end 12, the insulator protecting cover 5 and the insulator 6 are fixed by fastening bolts, the explosion-proof device 7 comprises an explosion-proof shell 71, a connecting rubber sleeve 72 and fixing bolts 73, the connecting rubber sleeve 72 is arranged between the explosion-proof shell 71, the bottom end of the explosion-proof shell 71 is fixed by three fixing bolts 73, a plurality of heat dissipation holes are formed in the connecting rubber sleeve 72, two groups of supporting legs 8 and grounding blocks 9 are arranged, the supporting legs 8 are arranged below the outer shell 1, each grounding block 9 is provided with a grounding block pressing plate, the voltage in the outer shell 1 is effectively isolated by the arrangement of the insulator protecting cover 5 and the insulator 6, the potential safety hazard of electric leakage is avoided, the safety of a user is improved, the internal heat dissipation efficiency is improved by arranging the heat dissipation holes, the explosion-proof shell 71 and the connecting rubber sleeve 72 can avoid explosion and burnout caused by, the service life of the voltage transformer is prolonged.

In summary, the following steps: the utility model discloses an oval voltage transformer, between link 12 and insulator safety cover 5 are sealed by insulator 6, and both sides of link 12, insulator safety cover 5 and insulator 6 are fixed by fastening bolt, explosion-proof device 7 includes explosion-proof shell 71, connecting rubber sleeve 72 and fixing bolt 73, connecting rubber sleeve 72 is arranged between explosion-proof shell 71, the bottom of explosion-proof shell 71 is fixed by three fixing bolt 73, connecting rubber sleeve 72 is provided with a plurality of heat dissipation holes, supporting legs 8 and grounding blocks 9 are arranged in two groups, supporting legs 8 are arranged under shell 1, and each grounding block 9 is equipped with a grounding block pressing plate, voltage in shell 1 is effectively isolated by the arrangement of insulator safety cover 5 and insulator 6, thereby avoiding the potential safety hazard of electric leakage, improving the safety of users, and improving the internal heat dissipation efficiency by arranging heat dissipation holes, the explosion-proof shell 71 and the connecting rubber sleeve 72 can avoid explosion and burnout caused by excessive heat accumulation, and the service life of the voltage transformer is prolonged.

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.

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. An oval voltage transformer, comprising an outer shell (1), characterized in that: the side of shell body (1) installs outlet duct (11), installs pneumatic valve subassembly (2) on outlet duct (11), terminal box (3) are installed to the opposite side of shell body (1), and both sides installation lifting bar (4) of shell body (1) upper end, shell body (1) top installation link (12), link (12) top set up insulator safety cover (5), insulator safety cover (5) with set up insulator (6) between link (12), the below of shell body (1) sets up explosion-proof equipment (7), and supporting legs (8) are connected to the below of shell body (1), below ground connection piece (9) of supporting legs (8).

2. The elliptical voltage transformer of claim 1, wherein: the air valve assembly (2) comprises an air valve mounting seat (21) and a control air valve (22), the control air valve (22) is mounted on the air valve mounting seat (21), and the air valve mounting seat (21) is sleeved on the air outlet pipe (11) in a sealing mode.

3. The elliptical voltage transformer of claim 1, wherein: terminal box (3) fixed mounting shell body (1) side, four ends are fixed by fixed screw, are provided with data plate (31) on terminal box (3) the front end panel.

4. The elliptical voltage transformer of claim 1, wherein: the insulator protection cover is characterized in that the connecting end (12) and the insulator protection cover (5) are sealed by the insulator (6), and the connecting end (12), the insulator protection cover (5) and the two side ends of the insulator (6) are fixed by bolts.

5. The elliptical voltage transformer of claim 1, wherein: explosion-proof equipment (7) include explosion-proof housing (71), connect gum cover (72) and fixing bolt (73), set up between explosion-proof housing (71) and connect gum cover (72), and explosion-proof housing (71) bottom is fixed by three fixing bolt (73), sets up a plurality of louvre on connecting gum cover (72).

6. The elliptical voltage transformer of claim 1, wherein: supporting legs (8) and ground connection piece (9) all set up two sets ofly, the below of supporting legs (8) installation shell body (1), and every ground connection piece (9) are equipped with the ground connection piece clamp plate.