Ultrasonic auxiliary transformer oiling platform and transformer oiling method

Abstract

The invention discloses an ultrasonic-assisted transformer oil injection platform and a transformer oil injection method, which can effectively discharge micro-nano bubbles in a transformer body and improve the insulating property of a transformer so as to reduce the breakdown risk of the transformer. The ultrasonic auxiliary transformer oil injection platform comprises a platform base and an ultrasonic exhaust device. The platform base is used for supporting a transformer. The ultrasonic exhaust device comprises a first ultrasonic generating assembly which is arranged on the bottom face of the platform base and used for generating ultrasonic waves after making contact with the bottom face of the transformer on the platform base so as to drive a transformer body to vibrate. The micro-nano bubbles in the transformer body are oscillated and combined to form large bubbles, and then the large bubbles are discharged.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of transformer manufacturing, and particularly relates to an ultrasonic-assisted transformer oil injection platform and a transformer oil injection method. BACKGROUND

[0002] An oil-immersed transformer uses transformer oil as an insulating liquid, and a transformer body is immersed in the transformer oil to provide insulation and heat dissipation for the transformer body through the transformer oil,

[0003] Therefore, the insulation performance of the transformer oil determines the working state and service life of the transformer.

[0004] During the manufacturing process of the transformer, the oil-paper insulation structure of the conventional oil-immersed transformer body produces air bubble cavities inside the transformer body, which will affect the insulation and heat dissipation of the transformer body to some extent, thereby affecting the working state and service life of the transformer.

[0005] At present, a vacuum oil injection and static method is used in the manufacturing process of the transformer, and long-time static is performed after oil injection to discharge the air inside the transformer tank as much as possible, but the process method needs to wait for a long time, and the micro-nano bubbles inside the transformer body cannot be effectively discharged, so the insulation performance of the transformer body is still affected, and the transformer has a potential breakdown risk. SUMMARY

[0006] The application aims to solve the above problems in the prior art, and provides an ultrasonic-assisted transformer oil injection platform and a transformer oil injection method, which can effectively discharge the micro-nano bubbles inside the transformer body, improve the insulation performance of the transformer, and reduce the breakdown risk of the transformer.

[0007] In a first aspect, an ultrasonic-assisted transformer oil injection platform is provided, which includes a platform base and an ultrasonic air discharge device. The platform base is used to support the transformer. The ultrasonic air discharge device includes a first ultrasonic wave generating assembly arranged on the bottom surface of the platform base and used to generate ultrasonic waves after contacting the bottom surface of the transformer on the platform base, so as to drive the vibration of the transformer body, make the micro-nano bubbles in the transformer body oscillate and merge to form large bubbles, and then discharge the large bubbles.

[0008] In some embodiments, the first ultrasonic wave generating assembly is vertically arranged on the platform base, and comprises a mounting base, a sliding cylinder and an ultrasonic wave generating head. The mounting base is fixed below the platform base, and a sliding groove is formed in the mounting base. The sliding cylinder is vertically arranged in the sliding groove, and an electromagnet is arranged at the upper end of the sliding cylinder. The ultrasonic wave generating head is arranged in the sliding cylinder, and the top of the ultrasonic wave generating head extends out of the upper end surface of the sliding cylinder. The ultrasonic wave generating head is used to generate ultrasonic waves. When the electromagnet is electrified, the magnetic force generated between the electromagnet and the transformer can make the sliding cylinder slide relative to the mounting base towards the side close to the transformer, so as to drive the ultrasonic wave generating head to extend into the lower side of the transformer and contact the bottom surface of the transformer.

[0009] In some embodiments, the ultrasonic wave generating head is movably arranged in the sliding cylinder, and a compression spring is arranged between the ultrasonic wave generating head and the bottom plate of the sliding cylinder.

[0010] In some embodiments, the ultrasonic exhaust device further comprises a vertical moving assembly and a second ultrasonic wave generating assembly. The vertical moving assembly is arranged on the side of the platform base and is used to move in the vertical plane. The second ultrasonic wave generating assembly is arranged on the vertical moving assembly and is used to generate ultrasonic waves after contacting the side surface of the transformer on the platform base, so as to drive the transformer body in the transformer to vibrate, make the micro-nano bubbles in the transformer body oscillate and merge to form large bubbles, and then the large bubbles are exhausted.

[0011] In some embodiments, the number of the vertical moving assemblies and the second ultrasonic wave generating assemblies is two, and they are arranged one by one. Two vertical moving assemblies are arranged on two adjacent sides of the platform base, respectively.

[0012] In some embodiments, the vertical moving assembly comprises a side plate frame and a displacement assembly. The side plate frame is vertically arranged on the side of the platform base. The displacement assembly is arranged on the side plate frame and is in sliding connection with the side plate frame. The second ultrasonic wave generating assembly is arranged on the displacement assembly, and the displacement assembly is used to drive the second ultrasonic wave generating assembly to move in the area surrounded by the side plate frame.

[0013] In some embodiments, the displacement assembly comprises a vertical rod, a horizontal rod, a driving assembly and a displacement device base. The vertical rod is slidingly arranged in the side plate frame. The horizontal rod is slidingly arranged in the side plate frame. The driving assembly is in driving connection with the vertical rod and the horizontal rod, for driving the vertical rod and the horizontal rod to slide in the side plate frame. The displacement device base is located on the vertical rod and the horizontal rod, and at the intersection of the two. The two ends of the vertical rod are slidingly arranged on the horizontal rod of the side plate frame to drive the displacement device base to move horizontally. The two ends of the horizontal rod are slidingly arranged on the vertical rod of the side plate frame to drive the displacement device base to move vertically. The second ultrasonic wave generating assembly is arranged on the displacement device base to move under the driving of the displacement device base.

[0014] In some embodiments, the structure of the second ultrasonic wave generating assembly is the same as that of the first ultrasonic wave generating assembly. The mounting seat of the second ultrasonic wave generating assembly is horizontally fixed on the side of the displacement device base facing the transformer.

[0015] In some embodiments, a telescopic rod is arranged between the mounting seat of the second ultrasonic wave generating assembly and the displacement device base. The telescopic rod is horizontally arranged to drive the mounting seat of the second ultrasonic wave generating assembly to move closer to or away from the transformer.

[0016] In some embodiments, the number of the first ultrasonic wave generating assemblies is multiple. The multiple first ultrasonic wave generating assemblies are arranged in a row along the center line of the platform base.

[0017] In some embodiments, a mounting groove is formed in the platform base, and a jacking moving assembly is further arranged in the mounting groove. The jacking moving assembly comprises a jacking member, a plurality of conveying wheels and a first driving member. The jacking member is arranged below the mounting groove of the platform base to jack up the conveying wheels. The number of the conveying wheels is multiple. The multiple conveying wheels are rotatably arranged at the movable end of the jacking member. The first driving member is in driving connection with the multiple conveying wheels to drive the multiple conveying wheels to rotate. When the jacking member jacks up the conveying wheels, the conveying wheels lift up the transformer on the platform base to move away from the upper surface of the platform base. When the first driving member drives the conveying wheels to rotate, the conveying wheels drive the transformer to move relative to the platform base.

[0018] In some embodiments, the ultrasonic-assisted transformer oiling platform further comprises a vacuum oiling device. The vacuum oiling device has an oiling interface and a vacuum interface, both of which are in communication with the inside of the transformer, for injecting insulating oil into the inside of the transformer through the oiling interface and extracting gas in the inside of the transformer through the vacuum interface.

[0019] Therefore, the ultrasonic-assisted transformer oil injection platform provided by the embodiment of the present application can effectively discharge the micro-nano bubbles in the transformer body, improve the insulation performance of the transformer, and thus reduce the breakdown risk of the transformer. Moreover, compared with the long time-consuming static air discharge in the prior art, the ultrasonic-assisted transformer oil injection platform of the embodiment can discharge the gas through the ultrasonic waves generated by the first ultrasonic wave generating assembly in a shorter time, reduce the static waiting time in the transformer manufacturing process, and improve the manufacturing efficiency of the transformer.

[0020] In the second aspect, the embodiment of the present application further provides a transformer oil injection method, which uses the ultrasonic-assisted transformer oil injection platform in the first aspect. The method comprises the following steps: injecting oil into a transformer on a platform base; and starting the first ultrasonic wave generating assembly to generate ultrasonic waves after the first ultrasonic wave generating assembly contacts the bottom surface of the transformer on the platform base, so as to drive the transformer body in the transformer to vibrate, and make the micro-nano bubbles in the transformer body oscillate and merge to form large bubbles and then be discharged.

[0021] In some embodiments, the ultrasonic-assisted transformer oil injection platform is an ultrasonic-assisted transformer oil injection platform comprising a vacuum oil injection device. The injection of oil into the transformer on the platform base specifically comprises the following steps: the vacuum oil injection device draws the gas in the transformer through a vacuum interface, and injects insulating oil into the transformer through an oil injection interface.

[0022] The transformer oil injection method provided by the embodiment of the present application has the same beneficial effects as the above-mentioned ultrasonic-assisted transformer oil injection platform, and thus will not be described here again. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a structural diagram of an ultrasonic-assisted transformer oil injection platform provided by an embodiment of the present application;

[0024] Figure 2 FIG. 2 is a schematic diagram of an ultrasonic-assisted transformer oil injection platform and a transformer provided by an embodiment of the present application;

[0025] Figure 3 FIG. 3 is a structural diagram of a platform base provided by an embodiment of the present application;

[0026] Figure 4 FIG. 4 is a structural diagram of a first ultrasonic wave generating assembly provided by an embodiment of the present application;

[0027] Figure 5 : a structural diagram of a base support provided for an embodiment of the present application;

[0028] Figure 6 : a structural diagram of a vertical moving assembly provided for an embodiment of the present application.

[0029] Wherein, 1-platform base; 2-vertical moving assembly; 3-vacuum oil injection device; 4-controller; 5-transformer; 11-base support; 12-base panel; 13-conveying wheel; 14-first ultrasonic wave generating assembly; 21-side plate frame; 22-displacement assembly; 23-second ultrasonic wave generating assembly; 31-oil injection interface; 32-vacuum interface; 111-first vertical reinforcing iron; 112-second vertical reinforcing iron; 113-first horizontal reinforcing iron; 114-second horizontal reinforcing iron; 115-third horizontal reinforcing iron; 141-ultrasonic wave generating head; 142-compression spring; 143-sliding cylinder; 144-mounting seat; 211-vertical frame; 212-first horizontal frame; 213-second horizontal frame; 221-horizontal driving motor; 222-vertical rod; 223-horizontal rod; 224-displacement device base; 225-telescopic rod; 226-vertical driving motor. DETAILED DESCRIPTION

[0030] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below in combination with the drawings and examples.

[0031] Example 1:

[0032] As shown in Figure 1 , the present application provides an ultrasonic-assisted transformer oil injection platform, which is applied to the manufacturing process of oil-immersed transformers and is used for discharging micro-nano bubbles inside the transformer body.

[0033] As shown in Figure 1 and Figure 2 , the ultrasonic-assisted transformer oil injection platform includes a platform base 1 and an ultrasonic exhaust device. The platform base 1 is used to support the transformer 5. As shown in Figure 3 , the ultrasonic exhaust device includes a first ultrasonic wave generating assembly 14, which is arranged on the bottom surface of the platform base 1 and used to generate ultrasonic waves after contacting the bottom surface of the transformer 5 on the platform base 1, so as to drive the transformer body to vibrate, make the micro-nano bubbles inside the transformer body oscillate and merge to form large bubbles (bubbles with a size larger than that of micro-nano bubbles) and then be discharged.

[0034] Exemplarily, the platform base 1 can be formed by welding a steel plate and a steel frame, which can play a supporting role.

[0035] The first ultrasonic wave generating assembly 14 can include an existing ultrasonic wave generating head (for example, a piezoelectric ultrasonic wave generator) capable of emitting ultrasonic waves, and the emission power of the ultrasonic wave generating head can be, for example, 3kW-6kW.

[0036] After the first ultrasonic wave generating assembly 14 is in contact with the bottom surface of the transformer 5 on the platform base 1, the ultrasonic waves can be transmitted to the transformer 5 to drive the transformer 5 to produce mechanical vibration, and the transformer body in the transformer 5 can produce mechanical vibration, so that the micro-nano bubbles dispersed in the transformer body are shaken and merged to form large bubbles, which are then discharged to the insulating oil and finally discharged to the outside of the transformer 5. In addition, when the transformer 5 produces mechanical vibration, the insulating oil in the transformer 5 can also experience a negative pressure process of compression-expansion alternating cycle to accelerate the discharge of bubbles in the insulating oil to the outside of the transformer 5.

[0037] Through the above arrangement, the micro-nano bubbles inside the transformer body can be effectively discharged, the insulation performance of the transformer 5 can be improved, and the breakdown risk of the transformer 5 can be reduced. In addition, the standing air exhaust method used in the prior art needs to consume a long time, and the ultrasonic auxiliary transformer oil injection platform of the embodiment consumes a shorter time to discharge gas through the ultrasonic wave generated by the first ultrasonic wave generating assembly 14, reduces the standing waiting time in the transformer manufacturing process, and can improve the manufacturing efficiency of the transformer.

[0038] Therefore, the ultrasonic auxiliary transformer oil injection platform provided by the embodiment of the present application can effectively discharge the micro-nano bubbles inside the transformer body, improve the insulation performance of the transformer 5, and reduce the breakdown risk of the transformer 5 by setting the ultrasonic exhaust device, setting the first ultrasonic wave generating assembly 14 of the ultrasonic exhaust device on the bottom surface of the platform base 1, and causing the first ultrasonic wave generating assembly 14 to generate ultrasonic waves after being in contact with the bottom surface of the transformer 5 on the platform base 1. The transformer body is driven to vibrate by the ultrasonic waves, the micro-nano bubbles in the transformer body are shaken and merged to form large bubbles, and then discharged. In addition, compared with the standing air exhaust method in the prior art which consumes a long time, the ultrasonic auxiliary transformer oil injection platform of the embodiment consumes a shorter time to discharge gas through the ultrasonic wave generated by the first ultrasonic wave generating assembly 14, reduces the standing waiting time in the transformer manufacturing process, and can improve the manufacturing efficiency of the transformer.

[0039] In some embodiments, in combination with Figure 3 and Figure 4The first ultrasonic generator assembly 14 is vertically mounted on the platform base 1. The first ultrasonic generator assembly 14 includes a mounting base 144, a sliding cylinder 143, and an ultrasonic generator head 141. The mounting base 144 is fixed to the bottom of the platform base 1, and a groove is formed within the mounting base 144. The sliding cylinder 143 is vertically slidably mounted in the groove, and an electromagnet is mounted on its upper end. The ultrasonic generator head 141 is mounted inside the sliding cylinder 143, with its top extending beyond the upper surface of the sliding cylinder 143. The ultrasonic generator head 141 is used to generate ultrasonic waves. When the electromagnet is energized, the magnetic force generated between it and the transformer 5 causes the sliding cylinder 143 to slide relative to the mounting base 144 towards the side closer to the transformer 5, thereby causing the ultrasonic generator head 141 to extend below the transformer 5 and contact the bottom surface of the transformer 5.

[0040] For example, in combination Figure 3 and Figure 5 The platform base 1 includes a base support 11 and a base panel 12. The base panel 12 is welded above the base support 11, and the outline shape of the base panel 12 is the same as the outer ring shape of the base support 11.

[0041] For example, the base support 11 is formed by splicing and welding components such as channel steel, angle steel, and I-beams, and the base panel 12 can be formed by cutting steel plates.

[0042] like Figure 5 As shown, the base support 11 is formed by splicing and welding together a first vertical reinforcing iron 111, a second vertical reinforcing iron 112, a first horizontal reinforcing iron 113, a second horizontal reinforcing iron 114, and a third horizontal reinforcing iron 115. The first vertical reinforcing iron 111, the first horizontal reinforcing iron 113, the second vertical reinforcing iron 112, and the second horizontal reinforcing iron 114 are arranged in sequence to form a rectangular frame, and the third horizontal reinforcing iron 115 is arranged inside the frame. In this way, the overall strength of the base support 11 is strengthened by the third horizontal reinforcing iron 115, and the base support 11 can better support the base panel 12 on it.

[0043] For example, there are multiple first ultrasonic generating components 14, and the multiple first ultrasonic generating components 14 are arranged in a row along the center line of the platform base 1.

[0044] That is, multiple first ultrasonic wave generating components 14 along Figure 5 The vertical center lines of the middle base bracket 11 are arranged in a row.

[0045] Combination Figure 3 and Figure 4The mounting seat 144 is fixed to the lower surface of the base panel 12, and the base panel 12 has a through hole at a position corresponding to the mounting seat 144, so that the sliding cylinder 143 can extend above the base panel 12 through the through hole.

[0046] For example, the electromagnet can be a conventional disc-shaped electromagnet, which can be arranged on the upper end surface of the sliding cylinder 143.

[0047] For example, as shown in Figure 4 The sliding cylinder 143 has a cavity, and the ultrasonic wave generating head 141 is arranged in the cavity of the sliding cylinder 143. The upper end surface of the sliding cylinder 143 is provided with a through hole, and the diameter of the through hole is slightly larger than the size of the ultrasonic wave generating head 141, so that the ultrasonic wave generating head 141 can extend out of the sliding cylinder 143 through the through hole. The bottom of the sliding cylinder 143 is provided with a wire passing hole for the cable of the ultrasonic wave generating head 141.

[0048] In combination Figure 2 After the transformer 5 is placed on the base panel 12 of the platform base 1, the first ultrasonic wave generating assembly 14 does not directly contact the bottom surface of the transformer 5, so that the transformer 5 can avoid damaging the first ultrasonic wave generating assembly 14. After the electromagnet on the sliding cylinder 143 is electrified, a magnetic force is generated between the electromagnet and the transformer 5, which can make the sliding cylinder 143 slide relative to the mounting seat 144 to the side close to the transformer 5 (i.e. upward), thereby driving the ultrasonic wave generating head 141 to move upward and contact the bottom surface of the transformer 5. After the ultrasonic wave generating head 141 is electrified, ultrasonic waves are generated, which enter the transformer 5 through the bottom surface of the transformer 5 and drive the transformer 5 to vibrate, so that the gas in the transformer 5 is discharged.

[0049] Through the above arrangement, whether the electromagnet on the sliding cylinder 143 is electrified can be controlled to control whether the sliding cylinder 143 moves upward, and thus the position of the ultrasonic wave generating head 141 can be controlled. When ultrasonic waves are needed to be generated, the ultrasonic wave generating head 141 is brought into contact with the bottom surface of the transformer 5, so that the ultrasonic waves emitted by the ultrasonic wave generating head 141 drive the transformer 5 to vibrate.

[0050] In some embodiments, as shown in Figure 2 The ultrasonic-assisted transformer oil filling platform further comprises a controller 4, which is electrically connected with the electromagnet on the sliding cylinder 143 and the ultrasonic wave generating head 141, respectively.

[0051] For example, the controller 4 can be a general industrial computer, which is used to control whether the electromagnet is electrified to generate a magnetic force, and whether the ultrasonic wave generating head 141 is electrified to generate ultrasonic waves.

[0052] In some embodiments, as shown in Figure 4As shown, the ultrasonic generator head 141 is movably disposed inside the sliding cylinder 143, and a compression spring 142 is provided between the ultrasonic generator head 141 and the bottom plate of the sliding cylinder 143.

[0053] For example, such as Figure 4 As shown, the bottom end of the compression spring 142 abuts against the inner bottom surface of the sliding cylinder 143, and the top end of the compression spring 142 abuts against the bottom surface of the ultrasonic generator head 141, so as to support the ultrasonic generator head 141 in the vertical direction.

[0054] Understandable, such as Figure 4 As shown, under the action of the ultrasonic generator head 141's own weight, the compression spring 142 will be compressed. By adjusting the model of the compression spring 142, the size of the ultrasonic generator head 141 extending out of the sliding cylinder 143 can be adjusted.

[0055] When the electromagnet on the sliding cylinder 143 is energized, the sliding cylinder 143 moves upward and the upper end face of the sliding cylinder 143 directly contacts the bottom surface of the transformer 5. If the magnetic force generated by the electromagnet is large, the ultrasonic generator head 141 extending out of the sliding cylinder 143 may be damaged by a large squeezing force on the bottom surface of the transformer 5. By setting a compression spring 142, in this case, the ultrasonic generator head 141 can be moved downward a certain distance by the compression of the compression spring 142, thereby avoiding the ultrasonic generator head 141 being damaged by a large squeezing force on the bottom surface of the transformer 5.

[0056] In some embodiments, combined with Figure 1 and Figure 2 The ultrasonic exhaust device also includes a vertical moving component 2 and a second ultrasonic generating component 23. The vertical moving component 2 is disposed on the side of the platform base 1 and is used to move in a vertical plane. The second ultrasonic generating component 23 is disposed on the vertical moving component 2 and is used to generate ultrasonic waves after contacting the side of the transformer 5 on the platform base 1, so as to drive the transformer body in the transformer 5 to vibrate, causing the micro-nano bubbles in the transformer body to oscillate and merge into large bubbles before being discharged.

[0057] For example, the vertical moving component 2 is disposed on the side of the base panel 12 of the platform base 1, and can drive the vertical moving component 2 to move in the vertical plane.

[0058] For example, the second ultrasonic generator assembly 23 may include an existing ultrasonic generator head (e.g., a piezoelectric ultrasonic generator) that can emit ultrasonic waves when powered on, and the emission power of the ultrasonic generator head may be, for example, 3kW-6kW.

[0059] Combination Figure 2After the transformer 5 is placed on the base panel 12, the vertical moving assembly 2 drives the second ultrasonic wave generating assembly 23 to move in the vertical plane and finally to the first target position, and then the second ultrasonic wave generating assembly 23 generates ultrasonic waves after contacting the side of the transformer 5 on the platform base 1.

[0060] Through the above arrangement, the second ultrasonic wave generating assembly 23 can exert ultrasonic waves on the side of the transformer 5 to improve the vibration intensity of the transformer 5 and accelerate the discharge of micro-nano bubbles inside the transformer body under the joint action of the first ultrasonic wave generating assembly 14.

[0061] In some embodiments, as shown in Figure 1 , the number of vertical moving assemblies 2 and second ultrasonic wave generating assemblies 23 is two, and they are arranged one by one. Two vertical moving assemblies 2 are arranged on the adjacent two sides of the platform base 1.

[0062] Through the above arrangement, combined with Figure 2 , two second ultrasonic wave generating assemblies 23 can generate ultrasonic waves on the two sides of the transformer 5 at the same time, further improving the vibration intensity of the transformer 5 and accelerating the discharge of micro-nano bubbles inside the transformer body.

[0063] In some embodiments, as shown in Figure 6 , the vertical moving assembly 2 includes a side plate frame 21 and a displacement assembly 22. The side plate frame 21 is vertically arranged on the side of the platform base 1. The displacement assembly 22 is arranged on the side plate frame 21 and is in sliding connection with the side plate frame 21. The second ultrasonic wave generating assembly 23 is arranged on the displacement assembly 22, and the displacement assembly 22 is used to drive the second ultrasonic wave generating assembly 23 to move in the area surrounded by the side plate frame 21.

[0064] For example, the side plate frame 21 is vertically arranged on the side of the base panel 12 of the platform base 1. The controller 4 is fixed outside the side plate frame 21.

[0065] For example, the side plate frame 21 is generally spliced and welded by channel steel, angle steel, and I-beam. As shown in Figure 6 , the side plate frame 21 includes a vertical frame 211, a first horizontal frame 212, and a second horizontal frame 213.

[0066] As shown in Figure 6 , when the number of vertical moving assemblies 2 is two, the number of side plate frames 21 is also two. The two side plate frames 21 are arranged on the adjacent two sides of the base panel 12, and the two side plate frames 21 share a vertical frame 211 at the intersection position of the two.

[0067] Exemplarily, the displacement assembly 22 is in sliding connection with the vertical frame 211, the first lateral frame 212 and the second lateral frame 213.

[0068] Through the above arrangement, the displacement assembly 22 can be supported by the side plate frame 21 and moved within the area surrounded by the side plate frame 21, so as to drive the second ultrasonic wave generating assembly 23 to move within the area surrounded by the side plate frame 21.

[0069] In some embodiments, as shown in Figure 6 the displacement assembly 22 comprises a vertical rod 222, a lateral rod 223, a driving assembly and a displacement device base 224. The vertical rod 222 is slidingly arranged in the side plate frame 21. The lateral rod 223 is slidingly arranged in the side plate frame 21. The driving assembly is in transmission connection with the vertical rod 222 and the lateral rod 223, and is used to drive the vertical rod 222 and the lateral rod 223 to slide in the side plate frame 21. The displacement device base 224 is located on the vertical rod 222 and the lateral rod 223 and at the intersection position of the two; the two ends of the vertical rod 222 are slidingly arranged on the lateral rod of the side plate frame 21 to drive the displacement device base 224 to move horizontally, and the two ends of the lateral rod 223 are slidingly arranged on the vertical rod of the side plate frame 21 to drive the displacement device base 224 to move vertically. The second ultrasonic wave generating assembly 23 is arranged on the displacement device base 224 to move under the driving of the displacement device base 224.

[0070] Exemplarily, as shown in Figure 6 the vertical frame 211, the first lateral frame 212 and the second lateral frame 213 of the side plate frame 21 are provided with guide grooves. The two ends of the vertical rod 222 are slidingly arranged in the guide grooves of the first lateral frame 212 and the second lateral frame 213, respectively. The two ends of the lateral rod 223 are slidingly arranged in the guide grooves of the adjacent two vertical frames 211.

[0071] Exemplarily, as shown in Figure 6 the driving assembly comprises a lateral driving motor 221 and a vertical driving motor 226. The lateral driving motor 221 is arranged on the second lateral frame 213 and connected with one end of the vertical rod 222 through a rack, a roller or a sliding rail to drive the vertical rod 222 to move laterally. The vertical driving motor 226 is arranged on the vertical frame 211 and connected with one end of the lateral rod 223 through a rack, a roller or a sliding rail to drive the lateral rod 223 to move vertically.

[0072] In some examples, the controller 4 is also electrically connected with the lateral driving motor 221 and the vertical driving motor 226, respectively, for controlling the lateral driving motor 221 and the vertical driving motor 226 to control the movement of the lateral rod 223 and the vertical rod 222.

[0073] For example, the displacement device base 224 has a horizontal through hole and a vertical through hole. The horizontal rod 223 passes through the horizontal through hole and is slidably connected to the displacement device base 224. The vertical rod 222 passes through the vertical through hole and is slidably connected to the displacement device base 224.

[0074] like Figure 6 As shown, when the horizontal rod 223 moves up and down, it causes the displacement device base 224 to slide up and down along the vertical rod 222; when the vertical rod 222 moves left and right, it causes the displacement device base 224 to slide left and right along the horizontal rod 223.

[0075] For example, the second ultrasonic generator assembly 23 is fixed to the side of the displacement device base 224 facing the transformer 5 by screws so as to move under the drive of the displacement device base 224.

[0076] With the above configuration, the vertical rod 222 and the horizontal rod 223 can be slid by the drive component, so as to move the displacement device base 224 in the vertical plane, thereby moving the second ultrasonic generator component 23 in the vertical plane.

[0077] In some embodiments, combined with Figure 4 The structure of the second ultrasonic generator component 23 is the same as that of the first ultrasonic generator component 14. The second ultrasonic generator component 23 is horizontally arranged, and the mounting base 144 of the second ultrasonic generator component 23 is horizontally fixed to the side of the displacement device base 224 facing the transformer 5.

[0078] In this case, combination Figure 4 The sliding cylinder 143 of the second ultrasonic generator assembly 23 is horizontally slidably disposed in the groove of the mounting base 144. The ultrasonic generator head 141 of the second ultrasonic generator assembly 23 is horizontally disposed inside the sliding cylinder 143. The controller 4 is also electrically connected to the electromagnet and the ultrasonic generator head 141 of the second ultrasonic generator assembly 23 to control the electromagnet and the ultrasonic generator head 141 of the second ultrasonic generator assembly 23.

[0079] With the above settings, the position of the ultrasonic generator head 141 of the second ultrasonic generator assembly 23 can be controlled by controlling whether the electromagnet on the sliding cylinder 143 of the second ultrasonic generator assembly 23 is energized, and the ultrasonic generator head 141 can be controlled to emit ultrasonic waves.

[0080] In some embodiments, such as Figure 6 As shown, a telescopic rod 225 is provided between the mounting base 144 of the second ultrasonic generator 23 and the displacement device base 224. The telescopic rod 225 is horizontally arranged and is used to move the mounting base 144 of the second ultrasonic generator 23 closer to or away from the transformer 5.

[0081] Exemplarily, the telescopic rod 225 can be an existing electric telescopic push rod or a hydraulic cylinder.

[0082] Exemplarily, the controller 4 is also electrically connected with the telescopic rod 225 to control the extension and contraction of the telescopic rod 225.

[0083] In combination Figure 1 and Figure 2 When the telescopic rod 225 is extended, the second ultrasonic wave generating assembly 23 can be driven to approach the side surface of the transformer 5; when the telescopic rod 225 is contracted, the second ultrasonic wave generating assembly 23 can be driven to move away from the side surface of the transformer 5.

[0084] Through the above arrangement, the mounting seat 144 of the second ultrasonic wave generating assembly 23 can be driven to approach or move away from the transformer 5 through the extension and contraction of the telescopic rod 225, so that the ultrasonic wave generating head 141 of the second ultrasonic wave generating assembly 23 can be driven to approach or move away from the side surface of the transformer 5.

[0085] In some embodiments, as shown in Figure 3 , the platform base 1 is provided with a mounting groove, and a jacking moving assembly is further arranged in the mounting groove.

[0086] Exemplarily, as shown in Figure 3 , two rectangular mounting grooves are arranged on the base panel 12 of the platform base 1. As shown in Figure 5 , the two mounting grooves are arranged on the base panel 12 in the region surrounded by the first vertical reinforcing iron 111, the third horizontal reinforcing iron 115, the second vertical reinforcing iron 112 and the second horizontal reinforcing iron 114. The two rectangular mounting grooves are symmetrically arranged on the two sides of the first ultrasonic wave generating assembly 14.

[0087] As shown in Figure 3 , the jacking moving assembly comprises a jacking member, a plurality of conveying wheels 13 and a first driving member. The jacking member is arranged below the mounting groove of the platform base 1 and is used to jack up the conveying wheels 13. The plurality of conveying wheels 13 are rotatably arranged on the movable end of the jacking member. The first driving member is in transmission connection with the plurality of conveying wheels 13 and is used to drive the plurality of conveying wheels 13 to rotate. After the jacking member jacks up the conveying wheels 13, the conveying wheels 13 lift the transformer 5 on the platform base 1 away from the upper surface of the platform base 1; when the first driving member drives the conveying wheels 13 to rotate, the conveying wheels 13 drive the transformer 5 to move relative to the platform base 1.

[0088] Exemplarily, the jacking member can be a hydraulic cylinder, and the jacking member is fixed on the base support 11 below the mounting groove. The jacking member is provided with a rotating shaft at the top end, and the conveying wheels 13 are rotatably arranged on the rotating shaft.

[0089] Exemplarily, as shown in Figure 3As shown, the plurality of transmission wheels 13 are divided into two groups, and the two groups of transmission wheels 13 are arranged in two mounting slots on the base panel 12 respectively.

[0090] For example, the first driving member can be a motor, which is fixed at the top end of the jacking member and drives the transmission wheel 13 to rotate through a belt or a gear.

[0091] For example, the controller 4 is also electrically connected with the jacking member and the first driving member respectively, so as to control the lifting of the jacking member and the rotation of the first driving member, and further control the rotation of the transmission wheel 13.

[0092] Through the above arrangement, the transformer 5 on the platform base 1 can be moved.

[0093] In some embodiments, as shown in Figure 1 and Figure 2 As shown, the ultrasonic-assisted transformer oiling platform further comprises a vacuum oiling device 3. The vacuum oiling device 3 has an oiling interface 31 and a vacuum interface 32, both of which are in communication with the inside of the transformer 5, for injecting insulating oil into the inside of the transformer 5 through the oiling interface 31, and extracting gas inside the transformer 5 through the vacuum interface 32.

[0094] For example, the vacuum oiling device 3 is an existing device capable of extracting vacuum from the transformer oil tank and injecting insulating oil into the transformer oil tank. The vacuum oiling device 3 is fixed on the outside of the platform base 1.

[0095] For example, the vacuum oiling device 3 is in communication with an external insulating oil storage tank, and the oiling interface 31 of the vacuum oiling device 3 is connected with the lower oil filter port or valve of the transformer 5 through a connecting flange and a pipeline, so as to deliver the insulating oil in the insulating oil storage tank into the transformer oil tank.

[0096] For example, a vacuum pump is arranged in the vacuum oiling device 3, and the vacuum interface 32 of the vacuum oiling device 3 is connected with the upper oil filter port of the transformer 5 through a connecting flange and a pipeline, and the vacuum pump extracts vacuum from the transformer oil tank through the vacuum interface 32, so as to accelerate the extraction of gas inside the transformer 5.

[0097] For example, the controller 4 is also electrically connected with the vacuum oiling device 3, for controlling the oil injection and vacuum extraction of the vacuum oiling device 3.

[0098] Through the above arrangement, the transformer oil tank can be extracted vacuum while the transformer 5 is being injected with oil, which can reduce the amount of gas mixed into the insulating oil and accelerate the extraction of gas inside the transformer 5.

[0099] In combination with Figures 1-6 the working steps of the ultrasonic-assisted transformer oiling platform are as follows:

[0100] The operator uses an external crane, transfer trolley or conveyor belt to place the transformer 5 on the platform base 1;

[0101] The controller 4 controls the jacking member to jack up the transfer wheel 13, thereby lifting the transformer 5 by the transfer wheel 13 and moving the transformer 5 away from the platform base 1;

[0102] The controller 4 controls the first driving member to drive the transfer wheel 13 to rotate, thereby moving the transformer 5 to a designated position by the rotation of the transfer wheel 13;

[0103] The controller 4 controls the jacking member to lower the transfer wheel 13, thereby allowing the transformer 5 to fall on the platform base 1;

[0104] The controller 4 controls the electromagnet in the first ultrasonic generating assembly 14 to be electrified, thereby allowing the sliding cylinder 143 to drive the ultrasonic generating head 141 to contact the bottom surface of the transformer 5.

[0105] The controller 4 controls the horizontal driving motor 221 and the vertical driving motor 226 to be started, thereby allowing the vertical rod 222 and the horizontal rod 223 to move in the vertical plane to move the displacement device base 224 to a third target position, and the controller 4 controls the telescopic rod 225 to be extended to move the second ultrasonic generating assembly 23 to a set position; further, the controller 4 can also identify the transformer foot, transformer body positioning, hanging plate and other connecting components connecting the transformer body and the transformer oil tank of the transformer 5 according to the drawings of the transformer 5, to automatically control the movement of the horizontal driving motor 221 and the vertical driving motor 226, and automatically control the extension of the telescopic rod 225 to move the second ultrasonic generating assembly 23 to the set position, so that the ultrasonic waves emitted by the second ultrasonic generating assembly 23 can be better transmitted to the transformer body;

[0106] The controller 4 controls the electromagnet in the second ultrasonic generating assembly 23 to be electrified, thereby allowing the sliding cylinder 143 to drive the ultrasonic generating head 141 to contact the side surface of the transformer 5.

[0107] The oil injection interface 31 of the vacuum oil injection device 3 is connected to the lower oil filter port or valve of the transformer 5 by using a connecting flange and pipeline, and the vacuum interface 32 of the vacuum oil injection device 3 is connected to the upper oil filter port of the transformer 5 by using a connecting flange and pipeline;

[0108] The controller 4 controls the vacuum oil injection device 3 to be started, thereby performing oil injection while vacuumizing the transformer 5;

[0109] The controller 4 controls the ultrasonic generating head 141 of the first ultrasonic generating assembly 14 and the ultrasonic generating head 141 of the second ultrasonic generating assembly 23 to be electrified, thereby generating ultrasonic waves to expel the micro-nano bubbles in the transformer body;

[0110] After the oiling is completed, the transformer 5 is left to stand, and in the standing process, the controller 4 controls the ultrasonic wave generating head 141 of the first ultrasonic wave generating assembly 14 and the ultrasonic wave generating head 141 of the second ultrasonic wave generating assembly 23 to be powered and generate ultrasonic waves at intervals, so as to further exhaust the transformer 5.

[0111] Embodiment 2:

[0112] The embodiment of the present application also provides a transformer oiling method, which uses the ultrasonic auxiliary transformer oiling platform in embodiment 1, and the method comprises the following steps of S100-S200.

[0113] S100, oiling the transformer 5 on the platform base 1.

[0114] Exemplarily, the transformer 5 is an oil-immersed transformer.

[0115] Exemplarily, before the transformer 5 is oiled, the transformer 5 needs to be transported to the platform base 1, and the transportation method can be transportation by a crane, a transport vehicle or a conveyor belt.

[0116] Exemplarily, the transformer 5 can be oiled through an external oiling pipeline.

[0117] S200, while oiling, starting the first ultrasonic wave generating assembly 14, so that the first ultrasonic wave generating assembly 14 generates ultrasonic waves after being in contact with the bottom surface of the transformer 5 on the platform base 1, to drive the transformer body in the transformer 5 to vibrate, so that the micro-nano bubbles in the transformer body vibrate and merge to form large bubbles and then are exhausted.

[0118] Exemplarily, the first ultrasonic wave generating assembly 14 comprises an ultrasonic wave generating head, and the ultrasonic wave generating head is powered to start the first ultrasonic wave generating assembly 14, so as to generate ultrasonic waves.

[0119] By starting the first ultrasonic wave generating assembly 14 to generate ultrasonic waves while oiling the transformer 5, the ultrasonic waves can drive the transformer body to vibrate, so that the micro-nano bubbles in the transformer body vibrate and merge to form large bubbles and then are exhausted, thereby effectively exhausting the micro-nano bubbles in the transformer body and reducing the breakdown risk of the transformer 5. Moreover, the bubbles are slowly exhausted during the standing and exhausting in the prior art, and a long time is needed, and the transformer oiling method provided in the embodiment can quickly exhaust the gas in the transformer body through ultrasonic waves, thereby reducing the exhausting waiting time in the transformer manufacturing process and improving the manufacturing efficiency of the transformer.

[0120] In some embodiments, the ultrasonic-assisted transformer oiling platform is an ultrasonic-assisted transformer oiling platform comprising a vacuum oiling device 3. The transformer 5 on the platform base 1 is oiled as follows: the vacuum oiling device 3 extracts the gas inside the transformer 5 through the vacuum interface 32, and injects insulating oil into the transformer 5 through the oiling interface 31.

[0121] For example, the vacuum oiling device 3 is an existing device capable of extracting the gas in the transformer tank and injecting insulating oil into the transformer tank.

[0122] For example, the vacuum oiling device 3 is in communication with an external insulating oil storage tank, and the oiling interface 31 of the vacuum oiling device 3 is connected to the lower oil filter port or valve of the transformer 5 through a connecting flange and a pipeline, so as to deliver the insulating oil in the insulating oil storage tank into the transformer tank.

[0123] For example, the vacuum oiling device 3 is provided with a vacuum pump, and the vacuum interface 32 of the vacuum oiling device 3 is connected to the upper oil filter port of the transformer 5 through a connecting flange and a pipeline, so as to extract the gas in the transformer tank through the vacuum pump, thereby accelerating the discharge speed of the gas in the transformer body.

[0124] At the same time of oiling the transformer 5, the transformer tank is extracted, which can reduce the amount of gas mixed into the transformer body and insulating oil.

[0125] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, and the present application is not limited thereto. Various modifications and improvements can be made by those skilled in the art without departing from the spirit and essence of the present application, and these modifications and improvements are also considered to be within the protection scope of the present application.

Claims

1. An ultrasonic-assisted transformer oiling platform, characterized by, The utility model relates to a transformer ultrasonic degassing device, including: Platform base (1) for supporting transformer (5); And, Ultrasonic degassing device, including first ultrasonic wave generating assembly (14), first ultrasonic wave generating assembly (14) is arranged on the bottom surface of platform base (1) and is used to generate ultrasonic wave after contacting the bottom surface of transformer (5) on platform base (1), to drive transformer body vibration, make micro-nano bubble in transformer body oscillation and merge to form big bubble and then discharge.

2. The ultrasonic-assisted transformer oil filling platform of claim 1, wherein, First ultrasonic wave generating assembly (14) is vertically arranged on platform base (1), and first ultrasonic wave generating assembly (14) includes: Mounting seat (144) is fixed below platform base (1), and slide groove is formed in mounting seat (144); Sliding cylinder (143) is vertically arranged in slide groove, and the upper end of sliding cylinder (143) is provided with electromagnet;And, Ultrasonic wave generating head (141) is arranged in sliding cylinder (143), and the top of ultrasonic wave generating head (141) extends to the outside of sliding cylinder (143) after passing through the upper end surface of sliding cylinder (143), and ultrasonic wave generating head (141) is used to generate ultrasonic wave; The magnetic force generated between electromagnet and transformer (5) after electrification can make sliding cylinder (143) slide to the side close to transformer (5) relative to mounting seat (144), thereby driving ultrasonic wave generating head (141) to extend below transformer (5) and contact the bottom surface of transformer (5).

3. The ultrasonic-assisted transformer oil filling platform of claim 2, wherein, Ultrasonic wave generating head (141) is movably arranged in sliding cylinder (143), and compression spring (142) is arranged between ultrasonic wave generating head (141) and the bottom plate of sliding cylinder (143).

4. The ultrasonic-assisted transformer oil filling platform of claim 3, wherein, The ultrasonic degassing device further includes: Vertical moving assembly (2) is arranged on the side of platform base (1) and is used to move in vertical plane;And, Second ultrasonic wave generating assembly (23) is arranged on vertical moving assembly (2) and is used to generate ultrasonic wave after contacting the side of transformer (5) on platform base (1), to drive transformer body vibration in transformer (5), make micro-nano bubble in transformer body oscillation and merge to form big bubble and then discharge.

5. The ultrasonic-assisted transformer oil filling platform of claim 4, wherein, The number of vertical moving assembly (2) and second ultrasonic wave generating assembly (23) is two, and they are arranged one by one; Two vertical moving assemblies (2) are arranged on two adjacent sides of platform base (1) respectively.

6. The ultrasonic-assisted transformer oil filling platform of claim 5, wherein, The vertical moving assembly (2) includes: Side plate frame (21) is vertically arranged on the side of platform base (1);And, Displacement assembly (22) is arranged on side plate frame (21) and is slidably connected with side plate frame (21), second ultrasonic wave generating assembly (23) is arranged on displacement assembly (22), and displacement assembly (22) is used to drive second ultrasonic wave generating assembly (23) to move in the area surrounded by side plate frame (21).

7. The ultrasonic-assisted transformer oil filling platform of claim 6, wherein, The displacement assembly (22) includes: A vertical rod (222) is slidingly arranged in the side plate frame (21); A horizontal rod (223) is slidingly arranged in the side plate frame (21); A driving assembly is in driving connection with the vertical rod (222) and the horizontal rod (223), and is used to drive the vertical rod (222) and the horizontal rod (223) to slide in the side plate frame (21); and A displacement device base (224) is located on the vertical rod (222) and the horizontal rod (223) and at the intersection of the two; the two ends of the vertical rod (222) are slidingly arranged on the horizontal rod of the side plate frame (21) to drive the horizontal movement of the displacement device base (224), and the two ends of the horizontal rod (223) are slidingly arranged on the vertical rod of the side plate frame (21) to drive the vertical movement of the displacement device base (224); The second ultrasonic wave generating assembly (23) is arranged on the displacement device base (224) to move under the driving of the displacement device base (224).

8. The ultrasonic-assisted transformer oil filling platform of claim 7, wherein, The structure of the second ultrasonic wave generating assembly (23) is the same as that of the first ultrasonic wave generating assembly (14); The mounting seat (144) of the second ultrasonic wave generating assembly (23) is horizontally fixed to the side of the displacement device base (224) facing the transformer (5).

9. The ultrasonic-assisted transformer oil filling platform of claim 8, wherein, A telescopic rod (225) is arranged between the mounting seat (144) of the second ultrasonic wave generating assembly (23) and the displacement device base (224), and the telescopic rod (225) is horizontally arranged to drive the mounting seat (144) of the second ultrasonic wave generating assembly (23) to move close to or away from the transformer (5).

10. The ultrasonic-assisted transformer oil filling platform according to any one of claims 1-9, characterized in that, The number of the first ultrasonic wave generating assemblies (14) is multiple, and the multiple first ultrasonic wave generating assemblies (14) are arranged in a row along the center line of the platform base (1).

11. The ultrasonic-assisted transformer oil filling platform according to any one of claims 1-9, wherein, An installation groove is arranged on the platform base (1), and a jacking moving assembly is further arranged in the installation groove; The jacking moving assembly comprises: A jacking member is arranged below the installation groove of the platform base (1) and is used to jack up the conveying wheels (13); A plurality of conveying wheels (13) are rotatably arranged at the movable end of the jacking member; and A first driving member is in driving connection with the plurality of conveying wheels (13) and is used to drive the plurality of conveying wheels (13) to rotate. When the jacking member jacks up the conveying wheels (13), the conveying wheels (13) jack up the transformer (5) on the platform base (1) to move away from the upper surface of the platform base (1); when the first driving member drives the conveying wheels (13) to rotate, the conveying wheels (13) drive the transformer (5) to move relative to the platform base (1).

12. The ultrasonic-assisted transformer oil filling platform according to any one of claims 1-9, characterized in that, The vacuum oil injection device (3) is further arranged. The vacuum oil injection device (3) has an oil injection interface (31) and a vacuum interface (32), both of which are in communication with the inside of the transformer (5), for injecting insulating oil into the inside of the transformer (5) through the oil injection interface (31), and extracting gas in the inside of the transformer (5) through the vacuum interface (32).

13. A method of filling a transformer with oil, characterized by, The method comprises: injecting oil into the transformer (5) on the platform base (1); while injecting oil, starting the first ultrasonic wave generating assembly (14) to generate ultrasonic waves after the first ultrasonic wave generating assembly (14) is in contact with the bottom surface of the transformer (5) on the platform base (1), to drive the transformer body in the transformer (5) to vibrate, so that micro-nano bubbles in the transformer body vibrate and merge to form large bubbles and then be discharged.

14. The transformer oil filling method according to claim 13, characterized by, The ultrasonic wave assisted transformer oil injection platform is the transformer oil injection platform as claimed in claim 12; The injecting oil into the transformer (5) on the platform base (1) specifically comprises: the vacuum oil injection device (3) extracts gas in the inside of the transformer (5) through the vacuum interface (32), and injects insulating oil into the inside of the transformer (5) through the oil injection interface (31).

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