Dry-type transformer with cooling structure

Abstract

The utility model discloses a dry-type transformer with a cooling structure, which comprises a lower bracket, a plurality of protective shells which are uniformly distributed are fixedly mounted at the top of the lower bracket, an upper bracket is fixedly mounted at the tops of the protective shells, and a fixed box is fixedly connected to the top of the upper bracket; and connecting plates are slidably connected into the left end and the right end of the fixing box in a sleeved mode, filter screens are arranged in the connecting plates, handles are fixedly connected to the outer sides of the connecting plates, and a fan is fixedly installed at the top of the inner wall of the fixing box. The fan is designed to blow and dissipate heat of the transformer in the protective shell, the filter screen is designed to filter air entering the transformer, dust and impurities can be filtered out, dust is prevented from entering the transformer, the trouble that the dust needs to be cleaned regularly is avoided, the filter screen is convenient to disassemble, and the transformer is convenient to clean. And the filter screen can be conveniently replaced or deeply cleaned for use.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformers, in particular to a dry-type transformer with a cooling structure. Background Art

[0002] The utility model patent with the patent authorization announcement number CN214897980U discloses a dry-type transformer with a cooling structure, including a transformer body, a lower limiter and a water tank, wherein there are two lower limiters, and the water tank is clamped between the two lower limiters. The transformer body is arranged above the water tank, and a water cooling pipe is wound around the outer surface of the transformer body. Both ends of the water cooling pipe are inserted into the water tank, and one end is connected to a water pump. A protective shell is arranged outside the transformer body. The utility model enables the transformer body to be effectively cooled quickly by the coolant inside the S-shaped water cooling pipe during normal operation, thereby effectively avoiding damage to the transformer caused by excessive temperature of the equipment, thereby avoiding shutdown of production. Through the provision of the protective plate and the heat dissipation fan, cold air can be blown into the interior of the protective shell conveniently and quickly, thereby further cooling the S-shaped water cooling pipe and the transformer body, thereby protecting the normal operation of the equipment.

[0003] In the above-mentioned prior art, when the dry-type transformer is in use, when blowing air inside the transformer to dissipate heat, no corresponding mechanism is set to filter dust, and external dust is easily brought in. The dust is difficult to clean, and dust accumulation will also affect the heat dissipation effect. Utility Model Content

[0004] The utility model aims to provide a dry-type transformer with a cooling structure, which solves the problem that dust filtering is inconvenient during ventilation and heat dissipation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry-type transformer with a cooling structure, comprising a lower bracket, a plurality of evenly distributed protective shells are fixedly installed on the top of the lower bracket, an upper bracket is fixedly installed on the top of the protective shell, a fixed box is fixedly connected to the top of the upper bracket, connecting plates are slidably sleeved inside the left and right ends of the fixed box, a filter is arranged inside the connecting plate, a handle is fixedly connected to the outside of the connecting plate, a fan is fixedly installed on the top of the inner wall of the fixed box, a connecting mechanism is arranged on the connecting plate, and an anti-blocking mechanism is arranged on the filter.

[0006] Preferably, the connection mechanism includes a stopper, the right end of the connection plate contacts the stopper, the stopper is fixedly connected to the inner wall of the fixed box, a slot is provided inside the fixed box, a plug-in block is slidably sleeved inside the slot, the plug-in block is slidably connected to the connection plate, a guide rod is slidably sleeved inside the plug-in block, the guide rod is fixedly connected to the connection plate, and a first spring is arranged on the outside of the guide rod. By designing the connection mechanism, it is convenient to disassemble the filter screen.

[0007] Preferably, the number of the stoppers is two, and the two stoppers are symmetrically distributed at the right end of the connecting plate. By designing the stoppers, the connecting plate can be shielded and limited.

[0008] Preferably, one end of the first spring is fixedly connected to the plug block, and the other end of the first spring is fixedly connected to the connecting plate. By designing the first spring, the force of the first spring can act on the plug block.

[0009] Preferably, the anti-blocking mechanism includes a cylinder, the top of the fixed box is fixedly connected with the cylinder, the output end of the cylinder is slidably connected with the fixed box, the lower end of the cylinder output end is fixedly connected with a pressure rod, the bottom of the pressure rod contacts a sliding seat, the sliding seat is slidably connected with the fixed box, the top of the sliding seat is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a top block, the top block contacts the filter, the bottom of the sliding seat is fixedly connected with a slider, the slider is slidably connected with the fixed box, the inner sliding sleeve of the slider is connected with a fixed rod, the fixed rod is fixedly connected with the fixed box, and a second spring is arranged on the outer side of the fixed rod. By designing an anti-blocking mechanism, the filter can be prevented from being blocked during ventilation and heat dissipation.

[0010] Preferably, a through slot is provided inside the fixing box, and the output end of the cylinder is slidably connected inside the through slot. The through slot is designed so that the output end of the cylinder can slide inside the through slot.

[0011] Preferably, one end of the second spring is fixedly connected to the slider, and the other end of the second spring is fixedly connected to the fixing box. The second spring is designed so that the force of the second spring can act on the slider.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can blow air to dissipate heat for the transformer inside the protective shell by designing the function of the fan. The filter can filter the incoming air and filter out dust and impurities to prevent the entry of dust, thus avoiding the trouble of regular dust cleaning. The filter is easy to disassemble and is convenient for replacement or deep cleaning.

[0014] 2. The utility model designs the function of the cylinder. The output end of the cylinder can drive the pressure rod to press the slide seat, so as to realize the horizontal movement of the slide seat. The slide seat can drive the slider to move and squeeze the second spring. When the cylinder drives the pressure rod to separate quickly from the slide seat, the second spring will give the slider a reaction force under the elastic action of the second spring, so that the slide seat can be quickly reset, so that the top block hits the filter screen, which can cause the filter screen to shake and shake off the dust attached to the outer surface, so as to prevent the adhesion of dust from affecting the ventilation and heat dissipation effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 1 A front cross-sectional view of a fixed box structure;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0020] In the figure: 1, lower bracket; 3, protective shell; 4, upper bracket; 5, fixed box; 6, connecting plate; 7, filter; 8, connecting mechanism; 9, anti-blocking mechanism; 10, handle; 11, fan; 81, block; 82, slot; 83, plug-in block; 84, guide rod; 85, first spring; 91, cylinder; 92, through groove; 93, pressure rod; 94, slide seat; 95, connecting rod; 96, top block; 97, slider; 98, fixed rod; 99, second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 4A dry-type transformer with a cooling structure comprises a lower bracket 1, a plurality of evenly distributed protective shells 3 are fixedly installed on the top of the lower bracket 1, an upper bracket 4 is fixedly installed on the top of the protective shell 3, a fixed box 5 is fixedly connected to the top of the upper bracket 4, connecting plates 6 are slidably sleeved inside the left and right ends of the fixed box 5, a filter screen 7 is arranged inside the connecting plate 6, a handle 10 is fixedly connected to the outside of the connecting plate 6, a fan 11 is fixedly installed on the top of the inner wall of the fixed box 5, a connecting mechanism 8 is arranged on the connecting plate 6, and an anti-blocking mechanism 9 is arranged on the filter screen 7.

[0023] See also Figure 1 , Figure 2 , Figure 3 The connecting mechanism 8 includes a block 81, and the right end of the connecting plate 6 contacts with the block 81, and the block 81 is fixedly connected to the inner wall of the fixed box 5. There are two blocks 81, and the two blocks 81 are symmetrically distributed at the right end of the connecting plate 6. By designing the block 81, the connecting plate 6 can be blocked and limited. A slot 82 is opened inside the fixed box 5, and a plug-in block 83 is slidably sleeved inside the slot 82. The plug-in block 83 is slidably connected to the connecting plate 6. The plug-in block 83 is slidably sleeved inside the plug-in block 83, and the guide rod 84 is fixedly connected to the connecting plate 6. A first spring 85 is arranged on the outside of the guide rod 84, and one end of the first spring 85 is fixedly connected to the plug-in block 83, and the other end of the first spring 85 is fixedly connected to the connecting plate 6. By designing the first spring 85, the force of the first spring 85 can act on the plug-in block 83. By designing the connecting mechanism 8, it is convenient to disassemble the filter screen 7.

[0024] See also Figure 1 , Figure 4 , Figure 5 The anti-blocking mechanism 9 includes a cylinder 91, the top of the fixed box 5 is fixedly connected with the cylinder 91, the output end of the cylinder 91 is slidably connected to the fixed box 5, a through slot 92 is provided inside the fixed box 5, the output end of the cylinder 91 is slidably connected inside the through slot 92, and the output end of the cylinder 91 can slide in the through slot 92 by designing the through slot 92, a pressure rod 93 is fixedly connected to the lower end of the output end of the cylinder 91, the bottom of the pressure rod 93 contacts a slide seat 94, the slide seat 94 is slidably connected to the fixed box 5, a connecting rod 95 is fixedly connected to the top of the slide seat 94, and the outer side of the connecting rod 95 is fixedly connected to the top Block 96, the top block 96 is in contact with the filter screen 7, the bottom of the slide seat 94 is fixedly connected with a slide block 97, the slide block 97 is slidably connected to the fixed box 5, the inner sliding sleeve of the slide block 97 is slidably sleeved with a fixed rod 98, the fixed rod 98 is fixedly connected to the fixed box 5, and a second spring 99 is arranged on the outer side of the fixed rod 98, one end of the second spring 99 is fixedly connected to the slide block 97, and the other end of the second spring 99 is fixedly connected to the fixed box 5. By designing the second spring 99, the force of the second spring 99 can act on the slide block 97, and by designing the anti-blocking mechanism 9, the filter screen 7 can be prevented from being blocked during ventilation and heat dissipation.

[0025] The specific implementation process of the utility model is as follows: when in use, the transformer inside the protective shell 3 can be cooled by blowing air through the action of the fan 11, and the filter 7 can filter the incoming air, filter out dust and impurities, prevent the entry of dust, and avoid the trouble of regular dust cleaning. When it is necessary to disassemble the filter 7, the handle 10 is directly pulled outward, and the handle 10 drives the connecting plate 6 to move horizontally, and the connecting plate 6 drives the plug 83 to move. The plug 83 will slide along the inclined surface of the slot 82, and the plug 83 will slide along the guide rod 84. The plug 83 will squeeze the first spring 85, so that the plug 83 can slide out from the inside of the slot 82, and the connecting plate 6 can be disassembled, making it easy to disassemble the filter 7, and convenient for replacing the filter 7 or deep cleaning.

[0026] During the ventilation and heat dissipation process, the output end of the cylinder 91 will drive the pressure rod 93 to move downward, and the pressure rod 93 will slide along the inclined surface of the slide seat 94, which will cause the slide seat 94 to be squeezed and move horizontally. The slide seat 94 will drive the slider 97 to slide along the fixed rod 98, and the slider 97 will squeeze the second spring 99. At the same time, the slide seat 94 will drive the connecting rod 95 and the top block 96 to move, and then the cylinder 91 controls the pressure rod 93 to move up and reset quickly. Under the elastic action of the second spring 99, the slide seat 94 is quickly reset, so that the top block 96 hits the filter screen 7, which can cause the filter screen 7 to shake, and the dust attached to the outer surface can be shaken off, so as to prevent the adhesion of dust from affecting the ventilation and heat dissipation effect.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry-type transformer with a cooling structure, comprising a lower bracket (1), characterized in that: A plurality of evenly distributed protective shells (3) are fixedly mounted on the top of the lower bracket (1), an upper bracket (4) is fixedly mounted on the top of the protective shell (3), a fixed box (5) is fixedly connected to the top of the upper bracket (4), connecting plates (6) are slidably sleeved inside the left and right ends of the fixed box (5), a filter screen (7) is arranged inside the connecting plate (6), a handle (10) is fixedly connected to the outside of the connecting plate (6), a fan (11) is fixedly mounted on the top of the inner wall of the fixed box (5), a connecting mechanism (8) is arranged on the connecting plate (6), and an anti-blocking mechanism (9) is arranged on the filter screen (7).

2. The dry-type transformer with a cooling structure according to claim 1, characterized in that: The connecting mechanism (8) comprises a stopper (81), the right end of the connecting plate (6) contacts the stopper (81), the stopper (81) is fixedly connected to the inner wall of the fixed box (5), a slot (82) is provided inside the fixed box (5), an insert block (83) is slidably sleeved inside the slot (82), the insert block (83) is slidably connected to the connecting plate (6), a guide rod (84) is slidably sleeved inside the insert block (83), the guide rod (84) is fixedly connected to the connecting plate (6), and a first spring (85) is arranged on the outer side of the guide rod (84).

3. The dry-type transformer with a cooling structure according to claim 2, characterized in that: The number of the stoppers (81) is two, and the two stoppers (81) are symmetrically distributed at the right end of the connecting plate (6).

4. The dry-type transformer with a cooling structure according to claim 2, characterized in that: One end of the first spring (85) is fixedly connected to the insert block (83), and the other end of the first spring (85) is fixedly connected to the connecting plate (6).

5. The dry-type transformer with a cooling structure according to claim 1, characterized in that: The anti-blocking mechanism (9) comprises a cylinder (91), the top of the fixed box (5) is fixedly connected to the cylinder (91), the output end of the cylinder (91) is slidably connected to the fixed box (5), the lower end of the output end of the cylinder (91) is fixedly connected to a pressure rod (93), the bottom of the pressure rod (93) contacts a slide seat (94), the slide seat (94) is slidably connected to the fixed box (5), the top of the slide seat (94) is fixedly connected to a connecting rod (95), the outer side of the connecting rod (95) is fixedly connected to a top block (96), the top block (96) contacts the filter screen (7), the bottom of the slide seat (94) is fixedly connected to a sliding block (97), the sliding block (97) is slidably connected to the fixed box (5), the interior of the sliding block (97) is slidably sleeved with a fixing rod (98), the fixing rod (98) is fixedly connected to the fixed box (5), and a second spring (99) is arranged on the outer side of the fixing rod (98).

6. The dry-type transformer with a cooling structure according to claim 1, characterized in that: A through slot (92) is provided inside the fixed box (5), and the output end of the cylinder (91) is slidably connected inside the through slot (92).

7. The dry-type transformer with a cooling structure according to claim 5, characterized in that: One end of the second spring (99) is fixedly connected to the slider (97), and the other end of the second spring (99) is fixedly connected to the fixed box (5).

Images