Dustproof and explosion-proof high-voltage transformer shell

Abstract

The utility model relates to the field of high-voltage transformer shells, and discloses a dust-proof and explosion-proof high-voltage transformer shell which comprises a shell, a rectangular notch is formed in the top of the shell, a cover plate is arranged at the top of the shell, a mounting support is arranged in the shell, and a rectangular protruding block is integrally formed in the position, corresponding to the rectangular notch, of the cover plate. The dustproof and explosion-proof high-voltage transformer shell comprises a shell, a rectangular notch is formed in the side wall of the shell, a rectangular protruding block is arranged in the rectangular notch, the rectangular protruding block can be inserted into the rectangular notch, an insertion assembly is arranged on the side face of the rectangular protruding block, a heat dissipation assembly is arranged in the shell, a rectangular groove is formed in the side wall of the shell, and an explosion-proof layer is arranged in the rectangular groove. The high-voltage transformer can be installed in the shell and the cover plate, effective protection of the high-voltage transformer is achieved, the situation that dust is accumulated on the transformer, the heat dissipation performance of the transformer is affected, meanwhile, performance reduction is caused is prevented, and the situation that safe and stable operation of the transformer and the reliability of a whole power system are seriously threatened is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure transformer casing field, concretely is a dustproof explosion -proof high pressure transformer casing. BACKGROUND

[0002] In power transmission and distribution system, high voltage transformer plays a vital role. However, its working environment is often more complex and poor, facing many challenges.

[0003] On the one hand, in industrial production and other places, air is filled with a large number of dust particles. The sealing performance of the traditional transformer casing is poor, so that dust can easily enter the casing. These dusts will gradually accumulate on the winding, core and other key components of the transformer, not only affect its heat dissipation performance, cause the heat to be effectively dissipated, so that the internal temperature of the transformer rises, reduces the working efficiency of the transformer, but also may cause electrical insulation performance to decline, increase the risk of short circuit and other faults, seriously threaten the safe and stable operation of the transformer and the reliability of the entire power system, therefore we put forward a dustproof explosion -proof high pressure transformer casing. SUMMARY

[0004] (I) technical problems solved

[0005] In view of the deficiencies of prior art, the utility model provides a dustproof explosion -proof high pressure transformer casing, solves the above problems.

[0006] (II) technical scheme

[0007] In order to realize the above described purpose, the utility model provides the following technical scheme: a dustproof explosion -proof high pressure transformer casing, including shell, the top of shell is opened with rectangular gap, the top of shell is provided with cover plate, the inside of shell is provided with mounting bracket, the position of cover plate corresponding rectangular gap is integrally formed with rectangular lug, the rectangular lug can be inserted in the inside of rectangular gap, the side surface of rectangular lug is provided with insertion assembly, the inside of shell is provided with heat dissipation assembly, the side wall of shell is opened with rectangular groove, the inside of rectangular groove is provided with explosion -proof layer.

[0008] Preferably, the heat dissipation assembly includes the heat dissipation copper sheet with L-shaped cross section, a plurality of groups of rectangular openings are equidistantly opened on the side surface of the shell, and the heat dissipation copper sheet is integrally formed with heat dissipation fins at positions corresponding to the rectangular openings.

[0009] Preferably, the side surface of the shell is integrally formed with a top baffle at the top of the heat dissipation fin position.

[0010] Preferably, the side of the shell is fixedly provided with a strip-shaped protrusion two corresponding to the position of the plug-in assembly, a through rectangular slot two is formed in the strip-shaped protrusion two, and a square plug-in slot is formed in the inner wall of the two sides of the rectangular slot two.

[0011] Preferably, the plug-in assembly comprises a strip-shaped protrusion one fixedly arranged on the side of the rectangular protrusion and two movable rods arranged in the strip-shaped protrusion one, the position of the strip-shaped protrusion one corresponds to the position of the strip-shaped protrusion two, a through rectangular slot one is formed in the strip-shaped protrusion one, the two movable rods are arranged in the rectangular slot one, the lower end of the movable rod extends into the interior of the rectangular slot two, and a tension spring assembly is arranged in the interior of the rectangular slot one.

[0012] Preferably, the end of the movable rod extending into the interior of the rectangular slot two is fixedly provided with a rectangular plug-in protrusion two, and the rectangular plug-in protrusion two is plugged into the interior of the square plug-in slot.

[0013] Preferably, the tension spring assembly comprises a tension spring and a rectangular plug-in protrusion one, an inner wall slot is formed in the inner wall of the rectangular slot one, the tension spring is fixedly arranged in the interior of the inner wall slot, one end of the tension spring is fixedly provided with the rectangular plug-in protrusion one, and one end of the rectangular plug-in protrusion one extends into the interior of the rectangular slot one and is fixedly connected with the movable rod.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the dustproof and explosion-proof high-voltage transformer shell has the following beneficial effects:

[0016] 1. The dustproof and explosion-proof high-voltage transformer shell can install the high-voltage transformer in the interior of the shell and the cover plate, effectively protects the high-voltage transformer, prevents dust accumulation on the transformer from affecting the heat dissipation performance and causing performance degradation, and prevents serious threats to the safe and stable operation of the transformer and the reliability of the entire power system.

[0017] 2. The dustproof and explosion-proof high-voltage transformer shell is provided with an explosion-proof layer in the rectangular slot of the side wall of the shell, the layer structure can effectively prevent the possible explosion inside from spreading outward, realize the overall explosion-proof performance, and protect the surrounding environment and personnel safety.

[0018] 3. When installing the cover plate and outer shell of this dustproof and explosion-proof high-voltage transformer, insert the rectangular protrusion into the rectangular notch, slide the movable rods on both sides towards the center point, at which point the tension spring is stretched. Then, the rectangular protrusion is fully inserted into the rectangular notch, and the movable rod is inserted into the rectangular slot two. Then, release the movable rod, at which point the tension spring is pulled back, and then the rectangular insertion protrusion two is inserted into the rectangular insertion slot, completing the locking and fixing the outer shell and the cover plate. This can achieve stable fixing and effectively protect the transformer inside the equipment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a bottom view of the present invention;

[0021] Figure 3 for Figure 2 BB cross-sectional diagram in the middle;

[0022] Figure 4 for Figure 3 CC section view diagram;

[0023] Figure 5 for Figure 4 A magnified view of part A in the diagram.

[0024] In the diagram: 1. Outer shell; 2. Cover plate; 3. Mounting bracket; 4. Copper heat sink; 5. Rectangular opening; 6. Heat sink fins; 7. Top baffle; 8. Strip protrusion one; 9. Strip protrusion two; 10. Rectangular groove one; 11. Movable rod; 12. Inner wall groove; 13. Tension spring; 14. Rectangular insertion protrusion one; 15. Rectangular groove two; 16. Rectangular insertion groove; 17. Rectangular insertion protrusion two; 18. Rectangular notch; 19. Rectangular protrusion; 20. Explosion-proof layer. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5The utility model provides a dustproof and explosion -proof high -voltage transformer shell, including shell 1, the top of shell 1 is equipped with rectangular notch 18, the top of shell 1 is provided with cover plate 2, the inside of shell 1 is provided with mounting bracket 3, the position of cover plate 2 corresponds rectangular notch 18 and is integrally formed with rectangular lug 19, rectangular lug 19 can be inserted in the inside of rectangular notch 18, the side of rectangular lug 19 is provided with insertion assembly, the inside of shell 1 is provided with heat dissipation assembly, the sidewall of shell 1 is equipped with rectangular groove, the inside of rectangular groove is provided with explosion -proof layer 20, can realize the overall explosion -proof performance through the increase of explosion -proof layer 20, install high -voltage transformer on mounting bracket 3, high -voltage transformer is bonded on heat dissipation assembly at this time, and heat dissipation assembly can realize the heat conduction heat dissipation of the inside of shell 1.

[0027] Further, the heat dissipation assembly includes a heat dissipation copper sheet 4 with an L-shaped cross section, a plurality of rectangular openings 5 are equidistantly formed on the side surface of the shell 1, and the heat dissipation copper sheet 4 is integrally formed with heat dissipation fins 6 at positions corresponding to the rectangular openings 5. After the high-voltage transformer is installed, the heat generating part at the bottom of the high-voltage transformer is bonded to the heat dissipation copper sheet 4. Then, the heat is conducted to the heat dissipation fins 6 through the heat dissipation copper sheet 4, and then heat dissipation is conducted through heat conduction.

[0028] Further, the top of the side surface of the shell 1 is integrally formed with a top baffle 7 at a position corresponding to the heat dissipation fins 6. The top baffle 7 can shield the heat dissipation fins 6 from above to prevent the heat dissipation fins 6 from being exposed to the outside.

[0029] Further, a strip-shaped protrusion two 9 is fixedly installed on the side surface of the shell 1 at a position corresponding to the insertion assembly. A through rectangular groove two 15 is formed on the strip-shaped protrusion two 9. Rectangular insertion grooves 16 are formed on the inner walls of the two sides of the rectangular groove two 15. The insertion assembly extends into the rectangular groove two 15 and is clamped together with the rectangular insertion grooves 16.

[0030] Further, the insertion assembly includes a strip-shaped protrusion one 8 fixedly installed on the side surface of the rectangular lug 19 and two movable rods 11 arranged in the strip-shaped protrusion one 8. The strip-shaped protrusion one 8 is arranged in a position corresponding to and above the strip-shaped protrusion two 9. A through rectangular groove one 10 is formed on the strip-shaped protrusion one 8. The two movable rods 11 are arranged in the rectangular groove one 10. The lower ends of the movable rods 11 extend into the rectangular groove two 15. A tension spring assembly is arranged in the rectangular groove one 10.

[0031] Further, one end of each movable rod 11 extending into the rectangular groove two 15 is fixedly installed with a rectangular insertion protrusion two 17. The rectangular insertion protrusion two 17 is inserted into the rectangular insertion groove 16. When the tension spring assembly is normally contracted, the rectangular insertion protrusion two 17 is inserted into the rectangular insertion groove 16.

[0032] Further, the tension spring assembly comprises a tension spring 13 and a rectangular plug-in protrusion I 14, an inner wall groove 12 is formed on the inner wall of the rectangular groove I 10, the inner wall groove 12 is fixedly installed with the tension spring 13, one end of the tension spring 13 is fixedly installed with the rectangular plug-in protrusion I 14, one end of the rectangular plug-in protrusion I 14 extends into the inside of the rectangular groove I 10 and is fixedly connected with the movable rod 11, when the cover plate 2 and the shell 1 are installed, the rectangular protrusion 19 is inserted into the inside of the rectangular gap 18, the movable rods 11 on both sides are slid towards the side close to the center point, at this time the tension spring 13 is stretched, then the rectangular protrusion 19 is completely inserted into the inside of the rectangular gap 18, at this time the movable rod 11 is inserted into the inside of the rectangular groove II 15, then the movable rod 11 is loosened, at this time the tension spring 13 is pulled back, then the rectangular plug-in protrusion II 17 is inserted into the inside of the rectangular plug-in groove 16, the locking is completed, the fixing of the shell 1 and the cover plate 2 is realized, stable fixing can be realized, and the transformer inside the equipment can be effectively protected.

[0033] Structure description:

[0034] The shell 1 is a whole protective shell, a rectangular gap 18 is formed on the top for cooperating with the cover plate 2 for installation. An installation support 3 is arranged inside for installing a high-voltage transformer. A plurality of rectangular openings 5 are equidistantly formed on the side surface for facilitating heat conduction and heat dissipation of the heat dissipation assembly. A rectangular groove is formed on the side wall, and an explosion-proof layer 20 is arranged inside for enhancing the explosion-proof performance of the whole. A top baffle 7 is integrally formed on the top at the position corresponding to the heat dissipation fin 6 on the side surface, which prevents the heat dissipation fin 6 from being exposed outside. A strip-shaped protrusion II 9 is fixedly installed at the position corresponding to the plug-in assembly, a rectangular groove II 15 is formed through the strip-shaped protrusion II 9, and rectangular plug-in grooves 16 are formed on the inner walls of the two sides of the rectangular groove II 15.

[0035] The cover plate 2 is located on the top of the shell 1 and integrally formed with a rectangular protrusion 19 at the position corresponding to the rectangular gap 18. The rectangular protrusion 19 can be inserted into the inside of the rectangular gap 18, and a plug-in assembly is arranged on the side surface for fixedly connecting with the shell 1, thereby realizing the closed protection of the internal equipment.

[0036] The installation support 3 is arranged inside the shell 1 for installing a high-voltage transformer, so that the high-voltage transformer can be kept in a stable position inside the shell 1 for subsequent heat dissipation and other operations.

[0037] The heat dissipation copper sheet 4 is part of the heat dissipation assembly, and the cross section is L-shaped. After the high-voltage transformer is installed, the heat generating part at the bottom of the high-voltage transformer is attached to the heat dissipation copper sheet 4, and the heat can be conducted to the heat dissipation fin 6 for heat dissipation. The heat dissipation fin 6 is integrally formed on the heat dissipation copper sheet 4 at the position corresponding to the rectangular opening 5.

[0038] Rectangular opening 5: Opened in the side of the shell 1, provide heat dissipation channel for the heat dissipation fin 6 on the heat dissipation copper sheet 4, so that the heat can be better dissipated to the outside environment.

[0039] Heat dissipation fin 6: Integrated in the position corresponding to the rectangular opening 5 of the heat dissipation copper sheet 4, increase the heat dissipation area, when the heat is conducted through the heat dissipation copper sheet 4, through the heat dissipation fin 6 for heat conduction heat dissipation, improve the heat dissipation efficiency.

[0040] Top baffle 7: Integrated in the top of the heat dissipation fin 6 on the side of the shell 1, can shield the heat dissipation fin 6 from above, prevent the outside dust, sundries and other damage or affect the heat dissipation effect of the heat dissipation fin 6, also play a certain protective role.

[0041] Bar convex one 8: Fixedly installed on the side of the rectangular convex block 19, is a part of the plug-in assembly, its position corresponds to the position of the bar convex two 9, an upper through rectangular slot one 10 is opened, used for placing the movable rod 11 and other components, participating in the process of fixed connection of the cover plate 2 and the shell 1.

[0042] Bar convex two 9: Fixedly installed on the side of the shell 1 corresponding to the position of the plug-in assembly, a through rectangular slot two 15 is opened on it, the two side walls of the rectangular slot two 15 are provided with a rectangular plug-in slot 16, cooperating with the bar convex one 8 and related components, realizing the locking and fixing of the shell 1 and the cover plate 2.

[0043] Rectangular slot one 10: Opened on the bar convex one 8, two movable rods 11 and spring assembly are arranged inside, providing space for the movement of the movable rod 11, playing an important role in the installation process of the cover plate 2 and the shell 1.

[0044] Movable rod 11: Arranged in the rectangular slot one 10 inside the bar convex one 8, the lower end extends into the rectangular slot two 15, the end extending into the rectangular slot two 15 is fixedly installed with a rectangular plug-in convex two 17, through the action of the spring assembly, realizes the clamping or separation with the rectangular plug-in slot 16, so as to complete the fixing or unlocking operation of the shell 1 and the cover plate 2.

[0045] Inner wall groove 12: Opened on the inner wall of the rectangular slot one 10, used for fixedly installing the spring 13, providing installation position for the spring 13, so that the spring 13 can normally stretch and contract in its interior, play a role.

[0046] Tension spring 13: installed inside the inner wall groove 12, one end is fixedly installed with rectangular plug convex one 14, the other end is fixed in the corresponding position. During the installation process of the cover plate 2 and the shell 1, when the movable rod 11 is slid towards the side close to the center point, the tension spring 13 is stretched, and after the movable rod 11 is loosened, the tension spring 13 is pulled back, driving the related components to complete the locking and fixing action.

[0047] Rectangular plug convex one 14: one end is fixed on the tension spring 13, and the other end extends into the rectangular groove one 10 and is fixedly connected with the movable rod 11. During the stretching and contraction of the tension spring 13, the movable rod 11 is driven to move, thereby affecting the clamping state of the rectangular plug convex two 17 and the rectangular plug groove 16.

[0048] Rectangular groove two 15: opened on the strip convex two 9, the movable rod 11 can be inserted therein, and the rectangular plug groove 16 on the inner wall of the two sides is used for clamping with the rectangular plug convex two 17, realizing the fixed connection of the shell 1 and the cover plate 2.

[0049] Rectangular plug groove 16: located on the inner wall of the two sides of the rectangular groove two 15, matched with the rectangular plug convex two 17, when the rectangular plug convex two 17 is inserted therein, the locking and fixing of the shell 1 and the cover plate 2 are completed, ensuring the stability and sealing of the equipment.

[0050] Rectangular plug convex two 17: fixedly installed on one end of the movable rod 11 extending into the rectangular groove two 15, when the tension spring 13 is normally contracted, it can be inserted into the rectangular plug groove 16, realizing the fixed connection of the shell 1 and the cover plate 2.

[0051] Rectangular notch 18: opened at the top of the shell 1, used for receiving the rectangular convex block 19 on the cover plate 2, so that the cover plate 2 can be accurately installed on the top of the shell 1, providing a basis for subsequent fixed connection operation.

[0052] Rectangular convex block 19: integrally formed on the cover plate 2 at the position corresponding to the rectangular notch 18, which can be inserted into the rectangular notch 18, and the plug-in assembly on the side surface cooperates with the related structure on the shell 1, completing the fixed connection of the cover plate 2 and the shell 1.

[0053] Explosion-proof layer 20: arranged in the rectangular groove of the side wall of the shell 1. By increasing this layer structure, the possible explosion inside can be effectively prevented from spreading outward, realizing the overall explosion-proof performance and protecting the surrounding environment and personnel safety.

[0054] Working principle: install high voltage transformer to installation support 3, then install cover plate 2, insert rectangular protrusion 19 into the inside of rectangular gap 18, slide movable rod 11 on both sides to the side close to the center point, at this time, tension spring 13 is stretched, then insert rectangular protrusion 19 into the inside of rectangular gap 18 completely, at this time, movable rod 11 is inserted into the inside of rectangular slot two 15, then release movable rod 11, at this time, tension spring 13 is pulled back, then insert rectangular plug protrusion two 17 into the inside of rectangular plug slot 16, complete locking, realize the fixation of shell 1 and cover plate 2.

[0055] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust and explosion-proof high-voltage transformer housing comprising a housing (1), characterized in that The top of the shell (1) is provided with a rectangular notch (18), the top of the shell (1) is provided with a cover plate (2), the inside of the shell (1) is provided with a mounting bracket (3), the cover plate (2) is integrally formed with a rectangular protrusion (19) corresponding to the position of the rectangular notch (18), the rectangular protrusion (19) can be inserted into the inside of the rectangular notch (18), the side of the rectangular protrusion (19) is provided with an insertion assembly, the inside of the shell (1) is provided with a heat dissipation assembly, a rectangular groove is formed in the side wall of the shell (1), and the inside of the rectangular groove is provided with an explosion-proof layer (20).

2. A dust and explosion-proof high voltage transformer housing according to claim 1, characterized in that: The heat dissipation assembly comprises a heat dissipation copper sheet (4) with an L-shaped cross section, a plurality of groups of rectangular openings (5) are equidistantly formed in the side of the shell (1), and the heat dissipation copper sheet (4) is integrally formed with a heat dissipation fin (6) corresponding to the position of the rectangular opening (5).

3. A dust and explosion-proof high voltage transformer housing according to claim 2, characterized in that: The top of the shell (1) is integrally formed with a top baffle (7) corresponding to the position of the heat dissipation fin (6).

4. The dustproof and explosion-proof high-voltage transformer shell according to claim 1, characterized in that: The side of the shell (1) is fixedly installed with a second strip-shaped protrusion (9) corresponding to the position of the insertion assembly, a second penetrating rectangular groove (15) is formed in the second strip-shaped protrusion (9), and a second rectangular insertion groove (16) is formed in the inner walls of the two sides of the second rectangular groove (15). The insertion assembly extends into the second rectangular groove (15) and is clamped together with the second rectangular insertion groove (16).

5. A dust and explosion-proof high voltage transformer housing according to claim 4, characterized in that: The insertion assembly comprises a first strip-shaped protrusion (8) fixedly installed on the side of the rectangular protrusion (19) and two movable rods (11) arranged in the first strip-shaped protrusion (8), the position of the first strip-shaped protrusion (8) corresponds to the position of the second strip-shaped protrusion (9) upward and downward, a first penetrating rectangular groove (10) is formed in the first strip-shaped protrusion (8), two movable rods (11) are arranged in the first rectangular groove (10), the lower end of the movable rod (11) extends into the second rectangular groove (15), and a tension spring assembly is arranged in the first rectangular groove (10).

6. A dust and explosion-proof high voltage transformer housing according to claim 5, characterized in that: The end of the movable rod (11) extending into the second rectangular groove (15) is fixedly installed with a second rectangular insertion protrusion (17), and the second rectangular insertion protrusion (17) is inserted into the second rectangular insertion groove (16).

7. A dust and explosion-proof high voltage transformer housing according to claim 6, characterized in that: The tension spring assembly comprises a tension spring (13) and a first rectangular insertion protrusion (14), an inner wall groove (12) is formed in the inner wall of the first rectangular groove (10), the tension spring (13) is fixedly installed in the inner wall groove (12), one end of the tension spring (13) is fixedly installed with the first rectangular insertion protrusion (14), and the other end of the first rectangular insertion protrusion (14) extends into the first rectangular groove (10) and is fixedly connected with the movable rod (11).

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