A kind of outdoor mutual inductor with good weather resistance

Abstract

The invention discloses an outdoor transformer with good weather resistance, comprising a lower mounting body, an upper mounting body, a sealing sleeve, a protective cover and a heat dissipation port, wherein the lower mounting body is provided with a first ear seat around it, and the lower end of the lower mounting body is connected to a base, the upper end of the lower mounting body is provided with an upper mounting body, and a sealing gasket is provided between the lower mounting body and the upper mounting body, the upper mounting body is provided with a second ear seat around it, and a locking bolt is connected through the middle of the second ear seat and the first ear seat, the upper end of the upper mounting body is connected to a ceramic shed, and the outer sides of the lower mounting body and the upper mounting body are provided with a protective cover. The outdoor transformer with good weather resistance is provided with a protective cover and a heat dissipation port, and in actual use, the transformer can be protected in various bad weathers through the protective cover, and the transformer can be dissipated through the heat dissipation port in high temperature weather, which greatly prolongs the service life of the transformer and improves the weather resistance of the transformer.

Description

Technical Field

[0001] The invention relates to the technical field of power system measurement, in particular to an outdoor mutual inductor with good weather resistance. Background Art

[0002] With the continuous development of science and technology, people are becoming more and more inseparable from the power system. During the use of the power system, it is necessary to monitor and protect it in order to ensure the normal operation of the power facilities. The commonly used detection equipment is the mutual inductor, which is also called instrument transformer. It is a general term for current transformers and voltage transformers. It can convert high voltage into low voltage and large current into small current. It is used for measurement or protection system. Its main function is to convert high voltage or large current into standard low voltage or standard small current in proportion, so as to realize the standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment. Traditional outdoor mutual inductors have problems such as easy corrosion, difficult maintenance and short life during use, which brings great trouble to the maintenance personnel of the power system.

[0003] Therefore, we propose an outdoor transformer with good weather resistance to solve the problems mentioned above that the traditional outdoor transformer is easy to corrode, difficult to maintain, and has a short life during use, which brings great troubles to power system maintenance personnel. Summary of the invention

[0004] The purpose of the present invention is to provide an outdoor mutual inductor with good weather resistance, so as to solve the problems raised in the above background technology that the outdoor mutual inductors currently on the market are easy to corrode, difficult to maintain, and have a short life during use, which brings great troubles to power system maintenance personnel.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a kind of outdoor mutual inductor with good weather resistance, comprising a lower mounting body, an upper mounting body, a sealing sleeve, a protective cover and a heat dissipation port, wherein a first ear seat is arranged around the lower mounting body, and the lower end of the lower mounting body is connected to a base, an upper mounting body is arranged at the upper end of the lower mounting body, and a sealing gasket is arranged between the lower mounting body and the upper mounting body, a second ear seat is arranged around the upper mounting body, and a locking bolt is connected through the middle of the second ear seat and the first ear seat, and a locking nut is connected to the lower end of the locking bolt, a ceramic shed is connected to the upper end of the upper mounting body, and a wiring terminal is arranged at the upper end of the ceramic shed, a protective cover is arranged on the outer side of the lower mounting body and the upper mounting body, and the bottom of the protective cover is connected to the base through the cooperation between the fixing angle iron and the fixing bolt, a heat dissipation port is opened around the protective cover, and a sealing sleeve is connected through the top of the protective cover.

[0006] Preferably, the center line of the lower mounting body coincides with the center line of the upper mounting body, and the upper mounting body and the lower mounting body form a buckling structure.

[0007] Preferably, four of the first ear seats and four of the second ear seats are provided, and the center lines of the lower mounting body and the upper mounting body of the first ear seats and the second ear seats coincide with each other, and the center line of the first ear seat coincides with the center line of the second ear seat.

[0008] Preferably, the center line of the sealing sleeve coincides with the center line of the wiring terminal, the sealing sleeve and the protective cover form a snap-fit ​​structure, and the wiring terminal forms a sealing structure through the sealing sleeve and the protective cover.

[0009] Preferably, the center line of the protective cover coincides with the center lines of the lower mounting body and the upper mounting body, and the distances between the inner wall of the protective cover and the lower mounting body and the upper mounting body are greater than 10 centimeters.

[0010] Preferably, there are four heat dissipation openings in total, and the center lines of the heat dissipation openings coincide with the center line of the protective cover, and the heat dissipation openings are symmetrical front to back and left to right relative to the center line of the protective cover.

[0011] Compared with the prior art, the invention has the following beneficial effects: the outdoor mutual inductor has good weather resistance;

[0012] 1. An upper mounting body and a lower mounting body are provided. In actual use, the upper mounting body and the lower mounting body are buckled together, so that it is difficult for external moisture and impurities to enter the interior of the transformer. At the same time, the sealing gasket greatly improves the sealing between the upper mounting body and the lower mounting body, thereby reducing the influence of the transformer on the external environment, prolonging the service life of the transformer, and increasing the practicality of the device;

[0013] 2. A protective cover and a heat dissipation port are provided. In actual use, the protective cover can improve the protection of the transformer in various bad weather conditions. At the same time, the heat dissipation port can be used to dissipate heat from the transformer in hot weather, which greatly extends the service life of the transformer and improves its weather resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the main structure of the present invention;

[0016] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 4 For the present invention Figure 1 Enlarged structural diagram at B in the middle.

[0018] In the figure: 1. lower mounting body; 2. first ear seat; 3. base; 4. upper mounting body; 5. sealing gasket; 6. second ear seat; 7. locking bolt; 8. locking nut; 9. ceramic shed; 10. terminal; 11. sealing sleeve; 12. protective cover; 13. fixing angle iron; 14. fixing bolt; 15. heat dissipation port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The present invention provides a technical solution: an outdoor mutual inductor with good weather resistance, comprising a lower mounting body 1, a first ear seat 2, a base 3, an upper mounting body 4, a sealing gasket 5, a second ear seat 6, a locking bolt 7, a locking nut 8, a ceramic shed 9, a wiring terminal 10, a sealing sleeve 11, a protective cover 12, a fixing angle iron 13, a fixing bolt 14 and a heat dissipation port 15, wherein the first ear seat 2 is arranged around the lower mounting body 1, and the lower end of the lower mounting body 1 is connected to the base 3, the upper end of the lower mounting body 1 is arranged with the upper mounting body 4, and a sealing gasket 5 is arranged between the lower mounting body 1 and the upper mounting body 4. A second ear seat 6 is arranged around the upper mounting body 4, and a locking bolt 7 is connected through the middle of the second ear seat 6 and the first ear seat 2, and a locking nut 8 is connected to the lower end of the locking bolt 7. A ceramic shed 9 is connected to the upper end of the upper mounting body 4, and a wiring terminal 10 is arranged on the upper end of the ceramic shed 9. A protective cover 12 is arranged on the outer side of the lower mounting body 1 and the upper mounting body 4, and the bottom of the protective cover 12 is connected to the base 3 through the cooperation between the fixing angle iron 13 and the fixing bolt 14. Heat dissipation ports 15 are opened around the protective cover 12, and a sealing sleeve 11 is connected through the top of the protective cover 12.

[0021] The center line of the lower mounting body 1 coincides with the center line of the upper mounting body 4, and the upper mounting body 4 and the lower mounting body 1 form a snap-fit ​​structure. The above structural design is beneficial to improving the sealing between the lower mounting body 1 and the upper mounting body 4 during actual use.

[0022] There are four first ear seats 2 and four second ear seats 6, and the center lines of the first ear seats 2 and the second ear seats 6 coincide with each other relative to the lower mounting body 1 and the upper mounting body 4, respectively, and the center line of the first ear seat 2 coincides with the center line of the second ear seat 6. The above structural design is beneficial to improving the tightness of the connection between the upper mounting body 4 and the lower mounting body 1 during actual use.

[0023] The center line of the sealing sleeve 11 coincides with the center line of the terminal block 10, and the sealing sleeve 11 and the protective cover 12 form a snap-fit ​​structure, and the terminal block 10 forms a sealing structure through the sealing sleeve 11 and the protective cover 12. The above structural design is helpful in preventing rainwater from entering the protective cover 12 through the gap between the terminal block 10 and the protective cover 12 during actual use.

[0024] The center line of the protective cover 12 coincides with the center lines of the lower mounting body 1 and the upper mounting body 4, and the distance between the inner wall of the protective cover 12 and the lower mounting body 1 and the upper mounting body 4 is greater than 10 cm. The above structural design is beneficial to improving the fluidity of the air in the protective cover 12 during actual use, which facilitates the heat dissipation of the mutual inductor.

[0025] There are four heat dissipation openings 15 in total, and the center line of the heat dissipation opening 15 coincides with the center line of the protective cover 12, and the heat dissipation opening 15 is symmetrical front to back and left to right relative to the center line of the protective cover 12. The above structural design is beneficial to improving the heat dissipation efficiency of the mutual inductor during actual use.

[0026] Working principle: When using this weather-resistant outdoor transformer, Figure 1 and Figure 3 As shown, firstly, the upper mounting body 4 and the lower mounting body 1 are buckled together, so that it is difficult for external moisture and impurities to enter the interior of the transformer. At the same time, the sealing gasket 5 greatly improves the sealing between the upper mounting body 4 and the lower mounting body 1, thereby reducing the influence of the transformer on the external environment and increasing the service life of the transformer. Figure 1 and Figure 4 As shown, the sealing sleeve 11 can effectively prevent rainwater from penetrating into the transformer along the terminal 10 during outdoor use and corroding the inside of the transformer. At the same time, the protective cover 12 can improve the protection of the transformer in various severe weather conditions, and the heat dissipation port 15 can be used to dissipate heat from the transformer in high temperature weather, which greatly extends the service life of the transformer, thereby completing a series of tasks. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0027] It should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transformer for outdoor use with good weather resistance, comprising a lower mounting body (1), an upper mounting body (4), a sealing sleeve (11), a protective cover (12) and a heat dissipation port (15), characterized in that: The lower mounting body (1) is provided with a first ear seat (2) around it, and the lower end of the lower mounting body (1) is connected to a base (3), the upper end of the lower mounting body (1) is provided with an upper mounting body (4), and a sealing gasket (5) is provided between the lower mounting body (1) and the upper mounting body (4), the upper mounting body (4) is provided with a second ear seat (6) around it, and a locking bolt (7) is connected through the middle of the second ear seat (6) and the first ear seat (2), and the lower end of the locking bolt (7) is connected to a locking nut (8) The upper end of the upper mounting body (4) is connected to a ceramic shed (9), and a connection terminal (10) is provided at the upper end of the ceramic shed (9); a protective cover (12) is provided on the outer sides of the lower mounting body (1) and the upper mounting body (4); the lower side of the protective cover (12) is connected to the base (3) through the cooperation between a fixing angle iron (13) and a fixing bolt (14); heat dissipation openings (15) are provided around the protective cover (12), and a sealing sleeve (11) is connected through the upper side of the protective cover (12); The center line of the lower mounting body (1) coincides with the center line of the upper mounting body (4), and the upper mounting body (4) and the lower mounting body (1) form a snap-fit ​​structure; four of the first ear seats (2) and the second ear seats (6) are provided, and the center line of the first ear seat (2) coincides with the center line of the second ear seat (6); The center line of the sealing sleeve (11) coincides with the center line of the terminal block (10), and the sealing sleeve (11) and the protective cover (12) form a snap-fit ​​structure, and the terminal block (10) forms a sealing structure with the protective cover (12) through the sealing sleeve (11); the center line of the protective cover (12) coincides with the center lines of the lower mounting body (1) and the upper mounting body (4), and the distances between the inner wall of the protective cover (12) and the lower mounting body (1) and the upper mounting body (4) are greater than 10 centimeters; a total of four heat dissipation openings (15) are provided, and the center lines of the heat dissipation openings (15) coincide with the center line of the protective cover (12), and the heat dissipation openings (15) are symmetrical in front, back, left, and right directions relative to the center line of the protective cover (12).

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