Hybrid noise reduction power transformer

Abstract

The utility model discloses a hybrid noise reduction power transformer, which is characterized in that a damping cylinder is fixed on the top surface of a support plate, the top of a damping piston is connected with a connecting plate, and the bottom of the support plate is connected with a composite base plate through a second damper; the composite base plate comprises a fiber grid layer, a rubber layer and a metal layer which are stacked from top to bottom, the shockproof foot pad is sleeved with the rubber shaft sleeve, the top of the rubber shaft sleeve is tightly connected with the transformer body, and the bottom of the rubber shaft sleeve is tightly connected with the fiber grid layer. When the transformer body is subjected to external vibration, the vibration energy is absorbed and reduced through the reciprocating motion of the damping pistons on the supporting plates in the damping cylinders, then the vibration transmitted from the supporting plates is further absorbed and dispersed through the second dampers, and meanwhile the sound insulation and damping effects are improved through a fiber grid layer and a rubber layer; and the rubber shaft sleeve can further absorb and isolate vibration, so that vibration and noise generated during operation of the transformer are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer equipment technical field especially relates to a hybrid power transformer of noise reduction. BACKGROUND

[0002] With the development of power system and the expansion of power grid scale, the operation stability and reliability of power transformer as the key equipment of power transmission and distribution are crucial to the whole power system. However, in the operation process of the transformer, due to mechanical vibration, electromagnetic vibration and other reasons, noise will be generated, which will affect the surrounding environment and people's normal life. In order to reduce the noise generated during the operation of the transformer and improve the service performance and life of the transformer, effective noise reduction treatment needs to be carried out on the transformer.

[0003] At present, the common transformer noise reduction method mainly includes increasing sound insulation material, optimizing structure design and the like. However, these methods often have certain limitations, such as aging of sound insulation material, complex structure design and the like. Therefore, the sound insulation cost of the common power transformer is too high.

[0004] It can be seen that the prior art needs to be improved and improved. UTILITY MODEL CONTENT

[0005] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a hybrid power transformer of noise reduction, which is used to solve the problems of high noise reduction cost and poor effect of the power transformer in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a hybrid power transformer of noise reduction, comprising a transformer body, further comprising an anti-vibration foot pad, a rubber shaft sleeve and a composite pad: the anti-vibration foot pad comprises a connecting plate, a supporting plate, a first shock absorber, a second shock absorber and a matched guide hole and guide column, the first shock absorber comprises a shock absorbing cylinder and a shock absorbing piston reciprocally arranged in the shock absorbing cylinder, the top surface of the supporting plate is fixed with the shock absorbing cylinder, the top of the shock absorbing piston is connected with the connecting plate, and the bottom of the transformer body is fixedly connected with the connecting plate; the bottom of the supporting plate is connected with the composite pad through the second shock absorber; the supporting plate is provided with a guide hole, the composite pad is vertically provided with the guide column, and the guide column is movably arranged in the guide hole; the composite pad comprises a fiber grid layer, a rubber layer and a metal layer arranged in layers from top to bottom, the anti-vibration foot pad is sleeved in the rubber shaft sleeve, the top of the rubber shaft sleeve is tightly connected with the transformer body, and the bottom of the rubber shaft sleeve is tightly connected with the fiber grid layer.

[0007] In an embodiment of the utility model, the upper and lower ends of the rubber shaft sleeve are respectively connected with the transformer body and the fiber grid layer by gluing.

[0008] The rubber bushing is connected with the transformer body and the fiber mesh layer respectively at the upper end and the lower end, which enhances the stability and the sealing of the overall structure, and further improves the sound insulation and the shock absorption effect.

[0009] In an embodiment of the utility model, the second shock absorber and the guide column are evenly distributed around the center of the support plate, and the second shock absorber is arranged at intervals with the guide column.

[0010] The second shock absorber and the guide column are evenly distributed around the center of the support plate and are arranged at intervals, so that the whole structure is more stable and reliable, and the vibration transmitted from the support plate can be more effectively absorbed and dispersed.

[0011] In an embodiment of the utility model, the transformer body further comprises a shell and a heat dissipation corrugated sheet, the shell is provided with the heat dissipation corrugated sheet extending to the side of the shell, and the heat dissipation corrugated sheet is vertically arranged.

[0012] The shell and the heat dissipation corrugated sheet are arranged on the transformer body, which not only protects the internal elements from the external environment, but also improves the heat dissipation efficiency and prolongs the service life of the transformer.

[0013] In an embodiment of the utility model, the top of the shell is further provided with a high-voltage terminal and a low-voltage terminal.

[0014] The high-voltage terminal and the low-voltage terminal are arranged on the top of the shell, which facilitates the input and output of power and also increases the safety.

[0015] As described above, the hybrid noise reduction power transformer has the following beneficial effects: when the transformer body is subjected to external vibration, the vibration is first transmitted to the connecting plate, then the shock absorption piston on the support plate reciprocates in the shock absorption cylinder to absorb and reduce the vibration energy, thereby reducing the vibration transmitted to the connecting plate, and the second shock absorber further absorbs and disperses the vibration transmitted from the support plate, reduces the vibration transmitted to the composite pad, and further improves the sound insulation and shock absorption effect through the synergistic effect of the fiber mesh layer and the rubber layer. The rubber bushing has good elasticity and sealing property, can further absorb and isolate vibration, and can prevent noise from being transmitted through the air, thereby reducing the vibration and noise generated during the operation of the transformer. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 A schematic structural diagram of a hybrid noise reduction power transformer provided by the present utility model;

[0018] Figure 2 This is a partial structural diagram of the hybrid noise reduction power transformer provided by the utility model.

[0019] Component number description

[0020] 1 Transformer body 10 Shock-absorbing cylinder

[0021] 2 anti-vibration pads 11 shock-absorbing piston

[0022] 3 rubber bushings 12 fiber mesh layers

[0023] 4 Composite pad 13 rubber layer

[0024] 5 Connecting plate 14 Metal layer

[0025] 6 Support plate 15 Housing

[0026] 7 First shock absorber 16 Heat dissipation corrugated sheet

[0027] 8 Second shock absorber 17 High voltage terminal

[0028] 9 Guide column 18 Low voltage terminal DETAILED DESCRIPTION

[0029] The present invention provides a hybrid noise reduction power transformer. To make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0030] In the description of this utility model, it should be understood that the terms "upper, lower, left, and right" and the like indicating directions or positions are based on the directions or positions shown in the accompanying drawings and are intended solely to facilitate and simplify the description of this utility model and are not to be construed as limiting the scope of this utility model. Furthermore, the terms "installation" and "connection" are to be understood broadly, and those skilled in the art will be able to understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0031] See also Figures 1-2The utility model provides a kind of hybrid noise reduction power transformer, including transformer body 1, still including shockproof foot pad 2, rubber shaft sleeve 3 and composite pad 4: the shockproof foot pad 2 includes connecting plate 5, support plate 6, first shock absorber 7, second shock absorber 8 and the guiding hole and guiding column 9 of cooperation, the first shock absorber 7 includes shock absorbing cylinder 10 and reciprocating motion setting in the shock absorbing cylinder 10 shock absorbing piston 11, the top of the support plate 6 is fixed with a the shock absorbing cylinder 10, the top of the shock absorbing piston 11 is connected with the connecting plate 5, and the bottom of the transformer body 1 is fixedly connected with the connecting plate 5;The bottom of the support plate 6 is connected with the composite pad 4 by the second shock absorber 8;Guiding hole is opened on the support plate 6, and the guiding column 9 is vertically arranged on the composite pad 4, and the guiding column 9 can be movably arranged in the guiding hole.

[0032] The composite pad 4 includes fiber grid layer 12, rubber layer 13 and metal layer 14 arranged from top to bottom, the rubber shaft sleeve 3 is sleeved with the shockproof foot pad 2, the top of the rubber shaft sleeve 3 is closely connected with the transformer body 1, and the bottom of the rubber shaft sleeve 3 is closely connected with the fiber grid layer 12, specifically, the upper and lower ends of the rubber shaft sleeve 3 are respectively gluedly connected with the transformer body 1 and the fiber grid layer 12, and the upper and lower ends of the rubber shaft sleeve 3 are respectively gluedly connected with the transformer body 1 and the fiber grid layer 12, so that the stability and sealing property of the overall structure are enhanced, and the sound insulation and shock absorption effect is further improved.

[0033] Please refer to Figure 1 The transformer body 1 further includes shell 15 and heat dissipation corrugated sheet 16, the side wall of the shell 15 is provided with the heat dissipation corrugated sheet 16 extending to the circumferential side, and the heat dissipation corrugated sheet 16 is vertically arranged, so that the heat dissipation efficiency is improved, and the service life of the transformer is prolonged.

[0034] In the embodiment, the number of the second shock absorbers 8 and the guide columns 9 is two, the second shock absorbers 8 and the guide columns 9 are evenly distributed around the center of the support plate 6, and the second shock absorbers 8 are spaced apart from the guide columns 9, it can be understood that the second shock absorbers 8 and the guide columns 9 are evenly distributed around the center of the support plate 6 and are spaced apart, so that the whole structure is more stable and reliable, and can more effectively absorb and disperse the vibration transmitted from the support plate 6. The guide column 9 and the guide hole cooperate to ensure that the support plate 6 stably rises or falls. The first shock absorber 7, the second shock absorber 8 and the composite pad 4 are arranged on the transmission path of the transformer vibration to form a segmented shock absorption and noise reduction, and in addition, the rubber shaft sleeve 3 is sealed and isolated, blocks the contact with the outside world, and ensures good noise reduction effect.

[0035] In summary, the hybrid noise reduction power transformer of the utility model, when the transformer body 1 is subjected to external vibration, first transmits to the connecting plate 5, then through the shock absorbing piston 11 on the support plate 6 reciprocates in the shock absorbing cylinder 10, absorbs and reduces vibration energy, thereby reducing the vibration transmitted to the connecting plate 5, further absorbs and disperses the vibration transmitted from the support plate 6 by the second shock absorber 8, reduces the vibration transmitted to the composite pad 4, and further improves the sound insulation and shock absorption effect through the synergistic effect of the fiber mesh layer 12 and the rubber layer 13, and the rubber shaft sleeve 3 has good elasticity and sealing property, can further absorb and isolate vibration, and can prevent noise from spreading through air, can reduce the vibration and noise generated during transformer operation. Therefore, the utility model effectively overcomes the various shortcomings in the prior art and has high industrial utilization value.

[0036] It can be understood that for those skilled in the art, the technical scheme of the utility model and the utility model concept can be replaced or changed, and all these changes or replacements shall belong to the protection scope of the utility model.

Claims

1. A hybrid noise-reduced power transformer comprising a transformer body, characterized by, Still include shockproof foot pad, rubber bushing and composite pad: the shockproof foot pad includes connecting plate, support plate, first shock absorber, second shock absorber and matched guide hole and guide column, the first shock absorber includes shock absorbing cylinder and reciprocating shock absorbing piston arranged in the shock absorbing cylinder, the top of the support plate is fixed with a shock absorbing cylinder, the top of the shock absorbing piston is connected with the connecting plate, and the bottom of the transformer body is fixedly connected with the connecting plate;The bottom of the support plate is connected with the composite pad through the second shock absorber;The support plate is provided with a guide hole, the composite pad is vertically provided with the guide column, and the guide column is movably arranged in the guide hole;The composite pad includes fiber grid layer, rubber layer and metal layer arranged from top to bottom, the rubber bushing is sleeved with the shockproof foot pad, the top of the rubber bushing is tightly connected with the transformer body, and the bottom of the rubber bushing is tightly connected with the fiber grid layer.

2. The hybrid noise-reduced power transformer of claim 1, wherein, The upper and lower ends of the rubber bushing are respectively connected with the transformer body and the fiber grid layer.

3. The hybrid noise-reduced power transformer of claim 1, wherein, The second shock absorber and the guide column are uniformly distributed around the center of the support plate, and the second shock absorber and the guide column are spaced apart.

4. The hybrid noise-reduced power transformer of claim 1, wherein, The transformer body further includes a shell and a heat dissipation corrugated sheet, the side wall of the shell is provided with the heat dissipation corrugated sheet extending to the side, and the heat dissipation corrugated sheet is vertically arranged.

5. The hybrid noise-reduced power transformer of claim 4, wherein, The top of the shell is further provided with high-voltage terminals and low-voltage terminals.

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