Prefabricated box-type transformer

Abstract

The utility model discloses a preassembled box-type transformer, which relates to the technical field of transformers and comprises a box-type transformer body, a fixed box is movably sleeved on the outer wall of the box-type transformer body close to the bottom, and a fence is fixedly connected on the lower surface of the fixed box close to the edge. A moving mechanism is movably installed at the position, close to the edge, of the lower surface of the fixing box, a heat dissipation mechanism is fixedly connected to the lower side of the fixing box, four fixing mechanisms distributed in a rectangular mode are fixedly connected to an inner cavity of the side wall of the fixing box, and the heat dissipation mechanism comprises a circulating fan. According to the preassembled box-type transformer, the push rod is rotated, then the top plate is pulled out, the box-type transformer body can be moved out of the inner side of the fixing box, then the fixing box can be turned over easily, the lower side of the fixing box can be maintained, the preassembled box-type transformer is convenient to install and disassemble, and maintenance and repair operation of the transformer is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, especially a kind of prepackaged box-type transformer. BACKGROUND

[0002] Prepackaged box-type transformer, also known as prepackaged substation or prepackaged power station, is a compact power distribution device integrating high-voltage switchgear, distribution transformer and low-voltage distribution equipment. This device is prefabricated in the factory according to a certain wiring scheme and can be installed indoors or outdoors, realizing the organic combination of transformer step-down, low-voltage distribution and other functions. Prepackaged box-type transformer has the characteristics of moisture-proof, dust-proof, fire-proof, theft-proof, etc., can realize fully-enclosed operation, and has mobility, suitable for various occasions such as mines and factories.

[0003] For example, the prepackaged box-type transformer disclosed in Chinese patent No. CN220474431U belongs to the technical field of electric power engineering. The device includes a mounting assembly, the bottom of the mounting assembly is provided with a chassis assembly, and the inside of the chassis assembly is provided with a mobile heat dissipation assembly. In use, the bottom of the mounting shell is inserted into the inside of the inner recess plate, each fastening bolt passes through the threaded hole and is connected with the mounting shell to fix the mounting assembly and the chassis assembly. The first motor rotates to drive the transmission rod and the fan wheel on both sides to move the transformer to the installed position. After reaching the installed position, the second motor rotates to drive the threaded rod to rotate, which can move the connecting block and the second shaft on both sides. During the movement, the connecting rod, the first shaft and the sliding block on both sides can make the multiple fan wheels rotate inward through the rotating rod, so that the flange contacts the ground. The installation hole is inserted into the ground angle bolt for installation, so that the mounting assembly does not need to be disassembled for installation.

[0004] The existing technology has the following problems:

[0005] Prepackaged box-type transformer has mobility, and components for moving are installed on the lower side. These moving components support the overall upper side for a long time and move the entire device outdoors, which requires regular maintenance. The upper chassis assembly and the upper transformer shell of the prepackaged box-type transformer are fixed together, making it difficult to lift the entire device for maintenance, increasing the difficulty of maintenance. UTILITY MODEL CONTENTS

[0006] The utility model provides a prepackaged box-type transformer to solve the problems in the above background technology.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model provides a kind of prepackaged box transformer, including box transformer body, the outer wall of the box transformer body is movably sleeved with fixed box near the position of bottom, the lower surface of the fixed box is fixedly connected with fence near the position of edge, the lower surface of the fixed box is movably installed with movement mechanism near the position of edge, the lower side of the fixed box is fixedly connected with heat dissipation mechanism, the inner cavity of the side wall of the fixed box is fixedly connected with four fixed mechanisms of rectangular distribution.

[0009] Preferably, the heat dissipation mechanism includes a circulating fan, the upper side of the circulating fan is fixedly connected to the lower side of the fixed box, the left and right sides of the box transformer body are provided with first heat dissipation holes near the upper side, the four walls of the fence are provided with second heat dissipation holes, the inner lower surface of the box transformer body is provided with third heat dissipation holes, and the third heat dissipation holes extend downward to the lower surface of the fixed box.

[0010] Preferably, the left and right sides of the inner side of the box transformer body are fixedly connected with mounting boxes near the upper side, the inner sides of the two mounting boxes are movably sleeved with first filter plates, and the inner lower surface of the box transformer body is embedded with a second filter plate.

[0011] Preferably, the left and right sides of the box transformer body are fixedly connected with cover plates near the upper side, and the first heat dissipation holes are located inside the cover plates.

[0012] Preferably, the fixed mechanism includes a fixed block, the outer side of the fixed block is movably sleeved in the insertion slot provided near the bottom of the four sides of the box transformer body, the two ends of the fixed block are movably sleeved with limiting rods, the two ends of the limiting rods are fixedly connected to the inner and outer surfaces of the inner cavity of the side wall of the fixed box, the lower surface of the inner cavity of the side wall of the fixed box is fixedly connected with two fixed seats, and the fixed seats are located on the side of the fixed block away from the box transformer body, the inner sides of the two fixed seats are movably sleeved with sleeve rods, the side of the sleeve rods close to each other is fixedly connected with a top plate, and the side of the top plate away from the outer surface of the fixed box is tightly attached to the side of the fixed block away from the box transformer body.

[0013] Preferably, the inner sides of the two sleeve rods are movably sleeved with second springs, the inner sides of the two sleeve rods are movably sleeved with push rods, and the push rods are located above the second springs, the upper ends of the two push rods are fixedly connected with circular plates, the upper surface of the fixed box is provided with two circular grooves near the edge, the outer side of the circular plate is movably sleeved with the inner side of the circular groove, the inner sides of the two circular grooves are provided with four limiting grooves of annular distribution near the bottom, and the protrusions on the outer wall of the circular plate are movably sleeved in the inner sides of the limiting grooves, and the inner sides of the two circular grooves are provided with four through grooves of annular distribution.

[0014] Preferably, the fixing block is isosceles trapezoidal in shape, the outer sides of the two limiting rods are movably sleeved with first springs, and the first springs are located on the side of the fixing block away from the box-type transformer body.

[0015] Preferably, the lower side of the fence is fixedly connected with a rubber pad.

[0016] Thanks to the above technical scheme, the present application has the following technical progress compared with the prior art:

[0017] The utility model provides a prepackaged box type transformer adopts the cooperation of box type transformer body, fixed box, fence, fixing mechanism, fixed block, limiting rod, fixed seat, first spring, sleeve rod, top plate, round plate, round groove, limiting groove, through groove, second spring and push rod, through rotating the push rod, then the top plate is pulled out, causes the box type transformer body can remove from the inside of fixed box, then can easily overturn fixed box, carries out maintenance operation to its lower side, convenient installation, disassembly is quick, has facilitated the maintenance and repair operation of the transformer.

[0018] The utility model provides a prepackaged box type transformer adopts the cooperation of heat dissipation mechanism, circulating fan, first heat dissipation hole, second heat dissipation hole, third heat dissipation hole, installation box, first filter plate, second filter plate and cover, through circulating fan drive air circulation in the box type transformer body inside, causes air to take away the heat that the electrical device inside the box type transformer body generates when operating, carries out cooling, prolongs the time of electrical device inside the box type transformer body long time continuous operation, avoids the heat too high and leads to the service life reduction of electrical device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the bottom view partial section three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is the top view partial section three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the fixed block part of the utility model;

[0023] Figure 5 It is the partial section three-dimensional structure schematic diagram of the top plate part of the utility model;

[0024] Figure 6 It is the enlarged structure schematic diagram of A part of the utility model.

[0025] In the figure: 1, the box transformer body; 2, fixed box; 3, fence; 4, movement mechanism; 5, heat dissipation mechanism; 51, circulating fan; 52, first heat dissipation hole; 53, second heat dissipation hole; 54, third heat dissipation hole; 55, mounting box; 56, first filter plate; 57, second filter plate; 58, cover; 6, fixing mechanism; 61, fixed block; 62, limit rod; 63, fixed seat; 64, first spring; 65, sleeve rod; 66, top plate; 67, round plate; 68, round groove; 69, limit groove; 610, through groove; 611, second spring; 612, push rod. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As shown in Figure 1 , Figure 2 , a prepackaged box transformer, comprising a box transformer body 1, a fixed box 2 movably connected to the position close to the bottom of the outer wall of the box transformer body 1, a fence 3 fixedly connected to the position close to the edge of the lower surface of the fixed box 2, a movement mechanism 4 movably installed at the position close to the edge of the lower surface of the fixed box 2, a heat dissipation mechanism 5 fixedly connected to the lower side of the fixed box 2, and four fixing mechanisms 6 fixedly connected to the inner cavity of the side wall of the fixed box 2.

[0028] It should be noted that the movement mechanism 4 includes a lifting assembly and a roller assembly, the lifting assembly drives the roller assembly to move up and down, when the roller assembly contacts the ground to cause the lifting assembly to push the upper part to move up, the transformer can move by relying on the roller assembly.

[0029] As shown in Figure 3 , the heat dissipation mechanism 5 includes a circulating fan 51, the upper side of the circulating fan 51 is fixedly connected to the lower side of the fixed box 2, the left and right sides of the box transformer body 1 are provided with first heat dissipation holes 52 close to the upper side, the four walls of the fence 3 are provided with second heat dissipation holes 53, and the inner lower surface of the box transformer body 1 is provided with third heat dissipation holes 54, and the third heat dissipation holes 54 extend downward to the lower surface of the fixed box 2.

[0030] It should be noted that the air direction of the circulating fan 51 is from top to bottom, causing air to enter the inside of the box transformer body 1 from the outside through the first heat dissipation holes 52, then enter the inside of the fence 3 through the second heat dissipation holes 53, and finally be discharged through the third heat dissipation holes 54.

[0031] As shown in Figure 3As shown, the inner left and right sides of the box-type transformer body 1 are fixedly connected with mounting boxes 55 near the upper side, the inner sides of the two mounting boxes 55 movably sleeved with first filter plates 56, and the inner lower surface of the box-type transformer body 1 embedded with a second filter plate 57.

[0032] It should be noted that the first filter plate 56 and the second filter plate 57 are used to filter dust in the air passing through the same, so as to avoid dust adhering to the electrical devices inside the box-type transformer body 1 and affecting heat dissipation.

[0033] As shown in Figure 2 , Figure 3 , the left and right sides of the box-type transformer body 1 are fixedly connected with cover plates 58 near the upper side, and the first heat dissipation holes 52 are located inside the cover plates 58.

[0034] It should be noted that the cover plate 58 is used to shield the first heat dissipation hole 52, so as to avoid sunlight directly shining on the first filter plate 56 through the first heat dissipation hole 52, thereby reducing the service life of the first filter plate 56.

[0035] As shown in Figure 2 , Figure 5 and Figure 6 , the fixing mechanism 6 comprises a fixed block 61, the outer side of the fixed block 61 movably sleeved in the slots opened near the bottom of the four sides of the box-type transformer body 1, both ends of the fixed block 61 movably sleeved with limiting rods 62, both ends of the limiting rods 62 fixedly connected in the inner and outer cavities of the side wall of the fixed box 2, the lower surface of the inner cavity of the side wall of the fixed box 2 fixedly connected with two fixed seats 63, and the fixed seats 63 located on the side of the fixed block 61 away from the box-type transformer body 1, the inner sides of the two fixed seats 63 movably sleeved with sleeve rods 65, the side of the sleeve rods 65 close to each other fixedly connected with a top plate 66, and the side of the top plate 66 away from the outer surface of the fixed box 2 closely attached to the side of the fixed block 61 away from the box-type transformer body 1.

[0036] It should be noted that the top plate 66 is used to push against the fixed block 61, so that the fixed block 61 cannot move, and when the outer side of the fixed block 61 is located in the slot on the outer side of the box-type transformer body 1, the box-type transformer body 1 is fixed inside the fixed box 2 and cannot be removed.

[0037] As shown in Figure 5 , Figure 6As shown, the inner side of the two sleeve rods 65 movably sleeves a second spring 611, the inner side of the two sleeve rods 65 movably sleeves a push rod 612, and the push rod 612 is located on the upper side of the second spring 611, the upper end of the two push rods 612 is fixedly connected with a circular plate 67, the upper surface of the fixed box 2 is provided with two circular grooves 68 near the edge, the outer side of the circular plate 67 movably sleeves the inner side of the circular groove 68, the inner side of the two circular grooves 68 is provided with four limiting grooves 69 distributed in a ring near the bottom, and the protrusions on the outer wall of the circular plate 67 movably sleeve the inner side of the limiting groove 69, and the inner side of the two circular grooves 68 is provided with four through grooves 610 distributed in a ring.

[0038] It should be noted that when the protrusions on the outer side of the circular plate 67 are located in the inner side of the limiting groove 69, the circular plate 67 cannot rotate, and the circular plate 67 is pressed downward, so that the protrusions are separated from the limiting groove 69, so that the circular plate 67 can rotate, the protrusions on the outer side of the circular plate 67 are aligned with the through grooves 610, and then the circular plate 67 is released, so that the second spring 611 pushes the push rod 612, so that the circular plate 67 is separated from the circular groove 68, and then the circular plate 66 can be pulled out of the inner side of the fixed box 2.

[0039] As shown in the figure, Figure 4 The shape of the fixed block 61 is isosceles trapezoidal, the outer side of the two limiting rods 62 movably sleeves a first spring 64, and the first spring 64 is located on the side of the fixed block 61 away from the box-type transformer body 1.

[0040] It should be noted that when the top plate 66 is not on the front side of the fixed block 61, the fixed block 61 can be moved, and the shape of the fixed block 61 causes the box-type transformer body 1 to be directly put into or pulled out of the inner side of the fixed box 2, the box-type transformer body 1 pushes the fixed block 61, so that the fixed block 61 enters the inner side of the side wall of the fixed box 2, so that the fixed block 61 is aligned with the insertion slot on the outer side of the box-type transformer body 1 or the box-type transformer body 1 is pulled out of the fixed box 2, and the first spring 64 pushes the fixed block 61 to reset.

[0041] As shown in the figure, Figure 2 The lower side of the fence 3 is fixedly connected with a rubber pad.

[0042] It should be noted that the rubber pad is used to reduce the wear of the ground on the fence 3, prolong the service life of the fence 3, and reduce the influence of external vibration on the transformer.

[0043] The utility model discloses a working principle: first, the top plate 66 is used for pressing against fixed block 61, causes fixed block 61 to be unable to move, when the outside of fixed block 61 is located in the slot of the outside of box -type transformer body 1, box -type transformer body 1 is fixed in the inside of fixed box 2, cannot remove, when the lug of the outside of round plate 67 is located in the inside of limiting groove 69, round plate 67 cannot rotate, press down round plate 67, cause the lug to separate limiting groove 69, make round plate 67 can rotate, the lug of round plate 67 outside is aligned and passes through slot 610, then loosen round plate 67, cause second spring 611 to push push rod 612, make round plate 67 separate round groove 68, then can pull out round groove 68 and pull out fixed box 2 side wall inside when top plate 66, when top plate 66 is not at the positive side of fixed block 61, fixed block 61 can move, the shape of fixed block 61 causes box -type transformer body 1 to be directly put into or pulled out the inside of fixed box 2, when, box -type transformer body 1 will push fixed block 61, cause fixed block 61 to enter to fixed box 2 side wall inside, cause fixed block 61 to align the slot of the outside of box -type transformer body 1 or box -type transformer body 1 pulls out fixed box 2, first spring 64 pushes fixed block 61 reset, through rotating push rod 612, then pull out top plate 66, cause box -type transformer body 1 can remove from the inside of fixed box 2, then can easily overturn fixed box 2, and its downside is operated to maintain, and the installation is convenient, and the disassembly is quick, and the maintenance of the transformer is convenient operation, finally, the air direction of circulating fan 51 is from top to bottom, cause air to enter the inside of box -type transformer body 1 from the outside through first heat dissipation hole 52, then enter the inside of fence 3 through second heat dissipation hole 53, finally discharge through third heat dissipation hole 54, first filter plate 56 and second filter plate 57 are used for filtering the dust in the air passing through its own, avoid dust to adhere on the electric device inside box -type transformer body 1, influence heat dissipation, cover 58 is used for shielding first heat dissipation hole 52, avoid the sunlight through first heat dissipation hole 52 and directly shoot on first filter plate 56, make the service life of first filter plate 56 reduce, through circulating fan 51 drive the air circulation in box -type transformer body 1, cause the air to take away the heat generated when the electric device inside box -type transformer body 1 runs, and cool down, prolong the time of the long time continuous operation of the electric device inside box -type transformer body 1, avoid the heat to be too high and cause the service life of electric device to reduce.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A prepackaged box transformer comprising a box transformer body (1), characterized in that: The outer wall of the box-type transformer body (1) is movably sleeved with a fixing box (2) near the bottom, the lower surface of the fixing box (2) is fixedly connected with a fence (3) near the edge, the lower surface of the fixing box (2) is movably installed with a movement mechanism (4) near the edge, the lower side of the fixing box (2) is fixedly connected with a heat dissipation mechanism (5), and the inner cavity of the side wall of the fixing box (2) is fixedly connected with four fixing mechanisms (6) distributed in a rectangle.

2. A prepackaged box transformer according to claim 1, characterized in that: The heat dissipation mechanism (5) comprises a circulating fan (51), the upper side of the circulating fan (51) is fixedly connected to the lower side of the fixing box (2), the left and right sides of the box-type transformer body (1) are provided with first heat dissipation holes (52) near the upper side, the four walls of the fence (3) are provided with second heat dissipation holes (53), and the inner lower surface of the box-type transformer body (1) is provided with third heat dissipation holes (54) extending downward to the lower surface of the fixing box (2).

3. A prepackaged box transformer according to claim 2, characterized in that: The left and right sides of the box-type transformer body (1) are fixedly connected with mounting boxes (55) near the upper side, the inner sides of the two mounting boxes (55) are movably sleeved with first filter plates (56), and the inner lower surface of the box-type transformer body (1) is embedded with a second filter plate (57).

4. A prepackaged box-type transformer according to claim 3, characterized in that: The left and right sides of the box-type transformer body (1) are fixedly connected with cover plates (58) near the upper side, and the first heat dissipation holes (52) are located on the inner side of the cover plates (58).

5. A prepackaged box transformer according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixed block (61), the outer side of the fixed block (61) is movably sleeved in the slot formed near the bottom of the box-type transformer body (1), the two ends of the fixed block (61) are movably sleeved with limiting rods (62), the two ends of the limiting rod (62) are fixedly connected to the inner and outer surfaces of the side wall inner cavity of the fixing box (2), the lower surface of the side wall inner cavity of the fixing box (2) is fixedly connected with two fixed seats (63), the fixed seats (63) are located on the side of the fixed block (61) away from the box-type transformer body (1), the inner sides of the two fixed seats (63) are movably sleeved with sleeve rods (65), the side of the sleeve rods (65) close to each other is fixedly connected with a top plate (66), and the side of the top plate (66) away from the outer surface of the fixing box (2) is tightly attached to the side of the fixed block (61) away from the box-type transformer body (1).

6. A prepackaged box transformer according to claim 5, characterized in that: The inner side of two sleeve rods (65) movably sleeves a second spring (611), the inner side of two sleeve rods (65) movably sleeves a push rod (612), and the push rod (612) is located on the upper side of the second spring (611), the upper end of two push rods (612) is fixedly connected with a circular plate (67), the upper surface of the fixed box (2) is provided with two circular grooves (68) near the edge, the outer side of the circular plate (67) movably sleeves the inner side of the circular groove (68), the inner side of two circular grooves (68) is provided with four limiting grooves (69) distributed in a ring near the bottom, and the protrusion on the outer wall of the circular plate (67) movably sleeves the inner side of the limiting groove (69), and the inner side of two circular grooves (68) is provided with four through grooves (610) distributed in a ring.

7. A prepackaged box transformer according to claim 5, characterized in that: The shape of the fixed block (61) is isosceles trapezoidal, the outer side of two limiting rods (62) movably sleeves a first spring (64), and the first spring (64) is located on the side, away from the box-type transformer body (1), of the fixed block (61).

8. A prepackaged box transformer according to claim 1, characterized in that: The lower side of the fence (3) is fixedly connected with a rubber pad.

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