Drying device for semi-finished product of encapsulated transformer

Abstract

The utility model discloses a drying device for a semi-finished product of an encapsulated transformer. The drying device comprises a shell, an electromagnetic vibrator and a fan heater, the shell is in a cuboid shape, an interlayer is arranged in the shell, warm air blowers are arranged on the two sides, the upper portion and the back of the interlayer respectively, ventilation hoods are arranged at the positions, corresponding to the warm air blowers, of the shell, a controller is arranged at the bottom of the interlayer, an inner bin is arranged on the inner side of the interlayer, a temperature detector is arranged at the bottom of the side wall of the inner bin, and a flat plate is arranged in the inner bin. The center bottom of the flat plate is connected with an electromagnetic vibrator, and springs are arranged on the periphery of the bottom of the flat plate and connected with the inner bin.

Description

Technical Field

[0001] The utility model belongs to the technical field of potting transformer production equipment, and in particular relates to a semi-finished product drying device for potting transformers. Background Art

[0002] A potted transformer is a transformer that seals the transformer and its accessories with potting materials. Compared with traditional transformers, potted transformers have higher moisture resistance, dust resistance, corrosion resistance and other properties, and are smaller in size and lighter in weight. After the potting process is completed, the existing potted transformer production line needs to wait for the potting glue to solidify before conducting testing, packaging and other processes. When the temperature is low, especially in winter, the epoxy resin glue will have poor fluidity and slow curing, which will prolong the production time and reduce production efficiency. Utility Model Content

[0003] The purpose of the utility model is to solve the defects of the prior art and propose a semi-finished product drying device for potting transformers, which can reduce the problem of poor flatness of the potting surface caused by poor fluidity of epoxy resin glue, accelerate curing and effectively shorten the curing time to improve production efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-finished product drying device for potted transformers, comprising an outer shell, an electromagnetic vibrator and a heater; the outer shell is in the shape of a rectangular parallelepiped, a mezzanine is arranged inside the outer shell, heaters are arranged on both sides, above and on the back of the mezzanine respectively, a ventilation hood is arranged at the position of the outer shell corresponding to the heater, a controller is arranged at the bottom of the mezzanine, the inner side of the mezzanine is an inner warehouse, a temperature detector is arranged at the bottom of the side wall of the inner warehouse, a flat plate is arranged in the inner warehouse, the center bottom of the flat plate is connected to the electromagnetic vibrator, and springs are arranged around the bottom of the flat plate connected to the inner warehouse.

[0005] Preferably, a door is provided on the front of the housing, and the door is provided with a handle lock.

[0006] Preferably, an operation screen is provided on the front side of the housing, and supporting legs are provided on the bottom side.

[0007] Preferably, the controller is respectively connected to the heater, the electromagnetic vibrator and the operation screen.

[0008] Preferably, the controller is provided with a power cord.

[0009] Compared with the prior art, the beneficial effects of the utility model are: first, the design is simple and reasonable, and it is easy to manufacture; second, vibration is generated by the electromagnetic vibrator to increase the fluidity of the epoxy resin glue and improve the flatness of the potting surface; third, automatic heat preservation is performed by the heater, which effectively shortens the curing time and improves production efficiency.

[0010] Other features and advantages of the present disclosure will become apparent from the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the drawings required for use in the embodiments or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0012] Figure 1 This is an overall schematic diagram of the drying device of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the drying device of the utility model.

[0014] In the figure: 1, outer shell, 2, electromagnetic vibrator, 3, heater, 4, controller, 5, temperature detector, 6, legs, 7, spring, 8, plate, 9, ventilation hood, 10, interlayer, 11, inner compartment, 12, handle lock, 13, operation screen, 14, machine door. DETAILED DESCRIPTION

[0015] 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0017] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0018] See also Figure 1 , 2 The utility model provides a technical solution: a semi-finished product drying device for potting transformers, comprising a shell 1, an electromagnetic vibrator 2 and a heater 3; the shell 1 is in a rectangular shape, a machine door 14 is provided on the front of the shell 1, the machine door 14 is provided with a handle lock 12, an operation screen 13 is provided on the front of the shell 1, and a support leg 6 is provided at the bottom, a sandwich 10 is provided in the shell 1, and heaters 3 are respectively provided on both sides, above and back of the sandwich 10, a ventilation hood 9 is provided at the position corresponding to the shell 1 and the heater 3, a controller 4 is provided at the bottom of the sandwich 10, the controller 4 is respectively connected to the heater 3, the electromagnetic vibrator 2 and the operation screen 13, the controller 4 is provided with a power cord, the inner side of the sandwich 10 is an inner warehouse 11, a temperature detector 5 is provided at the bottom of the side wall of the inner warehouse 11, a flat plate 8 is provided in the inner warehouse 11, the center bottom of the flat plate 8 is connected to the electromagnetic vibrator 2, and springs 7 are provided around the bottom of the flat plate 8 and connected to the inner warehouse 11.

[0019] Working principle: open the machine door 14, put the potted transformer on the flat plate 8, close the handle lock 12, connect the power cord of the controller 4 to the power supply, turn on the operation panel 13, set the heating temperature to 70℃ and the vibration time to 10min through the operation panel 13, click run, the controller 4 turns on the electromagnetic vibrator 2, and transmits the vibration to the potted transformer through the flat plate 8. The vibration makes the epoxy resin glue flow, thereby making the surface of the epoxy resin glue flat. The spring 7 keeps the flat plate 8 from tilting to prevent the transformer from sliding. After the 10-minute timing is over, the controller 4 turns off the electromagnetic vibrator 2 and turns on the heater 3. When the temperature detector 5 detects a temperature lower than 70℃, the heater 3 works. When the temperature detector 5 detects a temperature higher than or equal to 70℃, the heater 3 stops. During the heating and insulation period, open the machine door 14 to observe the curing condition. After it is completely cured, take out the transformer and unplug the power cord.

[0020] 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 device for drying semi-finished potted transformers, comprising a housing (1), an electromagnetic vibrator (2) and a heater (3), characterized in that: The outer shell (1) is in the shape of a rectangular parallelepiped. An interlayer (10) is provided inside the outer shell (1). Air heaters (3) are provided on both sides, the top and the back of the interlayer (10). A ventilation hood (9) is provided at positions of the outer shell (1) corresponding to the air heater (3). A controller (4) is provided at the bottom of the interlayer (10). The inner side of the interlayer (10) is an inner compartment (11). A temperature detector (5) is provided at the bottom of the side wall of the inner compartment (11). A flat plate (8) is provided inside the inner compartment (11). The central bottom of the flat plate (8) is connected to an electromagnetic vibrator (2). Springs (7) are provided around the bottom of the flat plate (8) and are connected to the inner compartment (11).

2. The device for drying semi-finished products of potted transformers according to claim 1, characterized in that: The front of the housing (1) is provided with a machine door (14), and the machine door (14) is provided with a handle lock (12).

3. The device for drying semi-finished products of potted transformers according to claim 1, characterized in that: The housing (1) is provided with an operating screen (13) on the front and supporting legs (6) on the bottom.

4. The device for drying semi-finished products of potted transformers according to claim 1, characterized in that: The controller (4) is respectively connected to the heater (3), the electromagnetic vibrator (2) and the operating screen (13).

5. The device for drying semi-finished products of potted transformers according to claim 1, characterized in that: The controller (4) is provided with a power line.

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