Low-noise dry-type transformer

Abstract

The utility model discloses a low-noise dry type transformer. The low-noise dry-type transformer comprises a dry-type transformer mechanism and a transformer body, the lower end of the transformer body connects and fixes a mounting table plate through welding, a fixing bolt is connected to the interior of the mounting table plate in a penetrating mode, and the fixing bolt is connected to the interior of a second sandwich plate and the interior of a first sandwich plate in a penetrating mode. According to the dry-type transformer, energy from vibration of the dry-type transformer can be effectively absorbed, the degree that the vibration is transmitted to the mounting bedplate and other assemblies is reduced, noise caused by vibration of the internal structure of the dry-type transformer can be reduced, noise generated during operation of the dry-type transformer can be effectively reduced by buffering and absorbing the vibration, and the service life of the dry-type transformer is prolonged. And internal components of the dry-type transformer can be protected from being influenced by excessive vibration.

Description

Technical Field

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

[0002] Low-noise dry-type transformers focus on noise reduction in their structural design, using sound-absorbing materials, shock-absorbing brackets and other measures to reduce vibration and noise generated during operation, ensuring a quiet environment for the transformer during operation.

[0003] A low-noise dry-type transformer technology is disclosed in the prior art, in which a base is fixedly installed at the bottom end of the dry-type transformer body, and two gaskets are inserted between the dry-type transformer body of the base, and side panels are provided on the sides of the two gaskets, and the ends of the two side panels are tightly fitted. Through holes are opened at both ends of the two side panels, and the inner walls of the adjacent through holes on the two side panels are penetrated by strip plates, which are located below the gaskets, and the strip plates are tightly fitted with the gaskets. Cross bars are provided at both ends of the strip plates, and the outer wall of the cross bar is tapped with threads, and the outer wall of the threads is screwed with nuts, and the bottom end of the nut is fixedly equipped with a hanging ring, and the inner wall of the hanging ring is penetrated by a hook, and a connecting rod is hingedly assembled between the two hooks on the same side, and a sleeve rod is sleeved on the outer wall of the connecting rod, and one end of a spring is fixedly assembled on both sides of the outer wall of the sleeve rod, and the other ends of the two springs are fixedly equipped with a top plate, and the top plate is tightly fitted with the fitting part of the two side plates.

[0004] In this solution, since the dry-type transformer reduces vibration through springs and two gaskets, and since the dry-type transformer generates high-frequency vibrations, the spring has no damping effect and cannot consume vibration energy and has limited shock absorption effect, the noise reduction effect is not obvious.

[0005] Therefore, it is necessary to provide a low-noise dry-type transformer to solve the above technical problems. Utility Model Content

[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a low-noise dry-type transformer that can consume vibration energy through shock absorption and damping, reduce the noise generated by the dry-type transformer during long-term operation, and achieve the effect of reducing noise.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0008] A low-noise dry-type transformer comprises: a dry-type transformer mechanism and a transformer body, wherein the lower end of the transformer body is connected and fixed to a mounting plate by welding, the interior of the mounting plate is connected by penetrating fixing bolts, the fixing bolts are connected to the interiors of a second sandwich plate and a first sandwich plate by penetrating fixing bolts, the second sandwich plate and the first sandwich plate are connected to a first damping plate and a second damping plate by penetrating fixing bolts, the first damping plate and the second damping plate are connected to the upper end of a connecting head by fixing bolts, the connecting head is connected and fixed to a piston guide column by welding, the piston guide column is installed in a piston cylinder, a lower chassis is fixedly installed at the lower end of the piston cylinder, the lower end of the lower chassis is fixedly installed in a first groove plate and a second groove plate, the first groove plate and the second groove plate are connected and fixed to a base by welding, the upper end of the lower chassis is connected and fixed to a first spring by screws, the upper end of the first spring is connected and fixed to an upper top plate by screws, and the upper top plate is connected and fixed to a piston guide column by welding.

[0009] Preferably, the lower end of the mounting platen is connected and fixed to the sound absorbing pad by means of fixing bolts, and the lower end of the sound absorbing pad is connected to the second sandwich panel and the first sandwich panel.

[0010] Preferably, a connecting gasket is installed at the lower end of the fixing bolt, and the upper end of the connecting head is installed at the lower end of the connecting gasket.

[0011] Preferably, rubber pads are fixedly mounted on the upper ends of the first groove plate and the second groove plate, and the upper ends of the rubber pads are in contact with the inside of the first shock-absorbing plate and the second shock-absorbing plate.

[0012] Preferably, a fixing rod is fixedly installed on one end side of the second sandwich plate and the first sandwich plate, and the fixing rod is connected with a connecting rod through a movable bolt, and one end of the connecting rod is connected with a support rod through a movable bolt, and the lower end of the support rod is connected and fixed to a movable ring by welding, and a guide column is passed through the interior of the movable ring, and fixing blocks are installed at both ends of the guide column, and the fixing blocks are connected and fixed to a base by welding, and a second spring is installed at one end of the movable ring.

[0013] Preferably, a movable groove is opened inside the transformer body, and a movable rod is installed inside the transformer body. The movable rod connects the first sound insulation board and the second sound insulation board through screws.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) The utility model utilizes the first groove plate and the second groove plate, the first damping plate and the second damping plate, the piston cylinder and the piston guide column, and the first spring. Through the movement of the piston guide column inside the piston cylinder and the supporting and buffering effect of the first spring, the energy from the vibration of the dry-type transformer can be effectively absorbed, and the degree of vibration transmission to the mounting plate and other components can be reduced. The noise caused by the vibration of the internal structure of the dry-type transformer can be reduced. By buffering and absorbing the vibration, the noise generated during the operation of the dry-type transformer can be effectively reduced, which helps to protect the internal components of the dry-type transformer from being affected by excessive vibration.

[0016] (2) The utility model can absorb sound waves and reduce the reflection and propagation of sound by utilizing the sound-absorbing pad, thereby preventing the mounting plate from vibrating with the operation of the dry-type transformer and colliding with the second sandwich panel and the first sandwich panel to generate noise. The utility model can absorb part of the vibration energy and reduce the vibration transmitted to the sandwich panel, thereby indirectly reducing the noise level generated thereby.

[0017] (3) The utility model avoids direct contact and collision between the plates by using rubber pads, and the friction and wear between the shock-absorbing plate and the groove plate are greatly reduced. The collision between the shock-absorbing plate and the groove plate will generate noise, and the use of rubber pads can buffer the collision force and reduce the generation of noise.

[0018] (4) The utility model utilizes the second spring, the movable ring, the guide column and the connecting rod. Through the rotation of the connecting rod and the expansion and contraction of the second spring, the energy from the vibration can be absorbed, thereby reducing the vibration amplitude of the dry-type transformer. The expansion and contraction of the second spring can provide a certain degree of elastic buffering when the impact or vibration of the dry-type transformer is reduced, and the impact force is mitigated, thereby stabilizing the operation of the dry-type transformer and reducing the noise and loss caused by friction and vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a low-noise dry-type transformer provided by the utility model from a first perspective;

[0020] Figure 2 A second perspective structural diagram of a low-noise dry-type transformer provided by the utility model;

[0021] Figure 3 A schematic diagram of the structure of a damping plate and a groove plate of a low-noise dry-type transformer provided by the utility model;

[0022] Figure 4 A schematic diagram of the structure of the fixing bolts and connecting gaskets of the low-noise dry-type transformer provided by the utility model;

[0023] Figure 5A schematic diagram of the connector, piston guide column and piston cylinder structure of a low-noise dry-type transformer provided by the utility model;

[0024] Figure 6 A schematic diagram of the sandwich plate, connecting rod and supporting rod structure of the low-noise dry-type transformer provided by the utility model;

[0025] Figure 7 A schematic diagram of the transformer main structure of the low-noise dry-type transformer provided by the utility model;

[0026] The names corresponding to the reference numerals are: 100, dry-type transformer mechanism; 101, transformer body; 102, base; 103, mounting plate; 104, first groove plate; 105, second groove plate; 106, first damping plate; 107, second damping plate; 108, second sandwich plate; 109, first sandwich plate; 110, sound-absorbing pad; 111, fixing bolt; 112, lower chassis; 113, connection Gasket; 114, rubber pad; 115, connector; 116, upper plate; 117, first spring; 118, piston guide column; 119, piston cylinder; 120, fixed rod; 121, movable bolt; 122, connecting rod; 123, support rod; 124, fixed block; 125, guide rod; 126, movable ring; 127, second spring; 128, movable rod; 129, first sound insulation board; 130, second sound insulation board. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and embodiments. The present invention includes but is not limited to the following embodiments.

[0028] First embodiment:

[0029] like Figure 1-5As shown, the low-noise dry-type transformer provided by the utility model includes: a dry-type transformer mechanism 100 and a transformer body 101, the lower end of the transformer body 101 is connected and fixed to a mounting plate 103 by welding, the interior of the mounting plate 103 is penetrated and connected with a fixing bolt 111, the fixing bolt 111 is penetrated and connected to the interior of the second sandwich plate 108 and the first sandwich plate 109, the second sandwich plate 108 and the first sandwich plate 109 are made of metal materials, and the second sandwich plate 108 and the first sandwich plate 109 are penetrated by the fixing bolt 111. The first damping plate 106 and the second damping plate 107 are connected to the upper end of the connecting head 115 by fixing bolts 111. The connecting head 115 is connected and fixed with the piston guide column 118 by welding. The piston guide column 118 is installed in the piston cylinder 119. The interior of the piston cylinder 119 is provided with oil liquid. The piston guide column 118 is further moved inside the piston cylinder 119 through the interior of the piston cylinder 119. The lower end of the piston cylinder 119 is connected and fixed with the lower chassis 112 by welding. The lower end is connected and fixed with the first groove plate 104 and the second groove plate 105 by screws, the first groove plate 104 and the second groove plate 105 are connected and fixed with the base 102 by welding, the upper end of the lower chassis 112 is connected and fixed with the first spring 117 by screws, the upper end of the first spring 117 is connected and fixed with the upper top plate 116 by screws, and the upper top plate 116 is connected and fixed with the piston guide column 118 by welding. In actual use, when the dry-type transformer is used for a long time, vibration and noise will be generated, and the vibration energy is transmitted to the mounting plate 103, and further installation The mounting plate 103 will generate vibration, and the piston guide column 118 will be further moved inside the piston cylinder 119 through the inside of the piston cylinder 119, which can further absorb the vibration capacity, and the first spring 117 can play a supporting and buffering role, and the first shock-absorbing plate 106 and the second shock-absorbing plate 107 and the second interlayer plate 108 and the first interlayer plate 109 can be moved up and down according to the frequency of the vibration, and can also play a damping effect, and can achieve the purpose of reducing the noise of the dry-type transformer and reducing the vibration of the internal structure of the dry-type transformer.

[0030] In this embodiment, by utilizing the first groove plate 104 and the second groove plate 105, the first shock absorbing plate 106 and the second shock absorbing plate 107, the piston cylinder 119 and the piston guide column 118, and the first spring 117, through the movement of the piston guide column 118 inside the piston cylinder 119 and the supporting and buffering effect of the first spring 117, the energy from the vibration of the dry-type transformer can be effectively absorbed, and the degree of vibration transmission to the mounting plate 103 and other components can be reduced, and the noise caused by the vibration of the internal structure of the dry-type transformer can be reduced. By buffering and absorbing the vibration, the noise generated during the operation of the dry-type transformer can be effectively reduced, which helps to protect the internal components of the dry-type transformer from excessive vibration.

[0031] Second embodiment:

[0032] like Figure 6 As shown, the lower end of the mounting plate 103 is connected and fixed with a sound-absorbing pad 110 by a fixing bolt 111. The sound-absorbing pad 110 is usually made of polyester fiber or other sound-absorbing materials and has a good sound-absorbing effect. The sound-absorbing pad 110 can prevent the mounting plate 103 from vibrating with the operation of the dry-type transformer and colliding with the second sandwich panel 108 and the first sandwich panel 109 to generate noise. The lower end of the sound-absorbing pad 110 is connected to the second sandwich panel 108 and the first sandwich panel 109.

[0033] In this embodiment, by using the sound-absorbing pad 110, sound waves can be absorbed, and the reflection and propagation of sound can be reduced. The mounting plate 103 can be prevented from vibrating with the operation of the dry-type transformer and colliding with the second sandwich plate 108 and the first sandwich plate 109 to generate noise. The sound-absorbing pad 110 can absorb part of the vibration energy and reduce the vibration transmitted to the sandwich plate, thereby indirectly reducing the noise level generated thereby.

[0034] Third embodiment:

[0035] like Figure 3-4 As shown, the upper ends of the first groove plate 104 and the second groove plate 105 are connected and fixed with a rubber pad 114 by screws. The rubber pad 114 is made of rubber material and is soft and elastic. The upper end of the rubber pad 114 contacts the inside of the first shock-absorbing plate 106 and the second shock-absorbing plate 107. The rubber pad 114 can prevent the first shock-absorbing plate 106 and the second shock-absorbing plate 107 from moving up and down and colliding with the upper ends of the first groove plate 104 and the second groove plate 105 during the shock-absorbing process, thereby avoiding wear and noise. The lower end of the fixing bolt 111 is installed with a connecting gasket 113, and the lower end of the connecting gasket 113 is installed with the upper end of the connecting head 115.

[0036] In this embodiment, by using the rubber pad 114, direct contact and collision between the plates are avoided, and the friction and wear between the shock-absorbing plate and the groove plate are greatly reduced. The collision between the shock-absorbing plate and the groove plate will generate noise. The use of the rubber pad 114 can buffer the collision force and reduce the generation of noise.

[0037] Fourth embodiment:

[0038] like Figure 2 As shown, the second sandwich plate 108 and one end side of the first sandwich plate 109 are connected and fixed by welding to a fixed rod 120, the fixed rod 120 is penetrated and connected to a connecting rod 122 through a movable bolt 121, and the connecting rod 122 can rotate on the fixed rod 120, one end of the connecting rod 122 is penetrated and connected to a support rod 123 through the movable bolt 121, and the connecting rod 122 can rotate on the support rod 123, and the lower end of the support rod 123 is connected and fixed to a movable ring 126 by welding, and the interior of the movable ring 126 is penetrated by a guide rod 125, and the guide rod 125 is penetrated by the guide rod 125. Fixed blocks 124 are installed at both ends of 25, and the fixed blocks 124 are connected and fixed to the base 102 by welding. A second spring 127 is installed at one end of the movable ring 126. When the second sandwich plate 108 and the first sandwich plate 109 move up and down under vibration, the connecting rod 122 is further rotated and moved. The movable ring 126 moves on the guide rod 125, and the second spring 127 is extended and retracted, which can play a buffering role. Cooperating with the rotation of the connecting rod 122 can reduce vibration and have a damping effect.

[0039] In this embodiment, by utilizing the second spring 127, the movable ring 126, the guide column and the connecting rod 122, the energy from the vibration can be absorbed through the rotation of the connecting rod 122 and the expansion and contraction of the second spring 127, thereby reducing the vibration amplitude of the dry-type transformer. The expansion and contraction of the second spring 127 can provide a certain degree of elastic buffering when reducing the impact or vibration of the dry-type transformer, mitigate the impact force, thereby stabilizing the operation of the dry-type transformer and reducing the noise and loss caused by friction and vibration.

[0040] Fifth embodiment:

[0041] like Figure 7 As shown, a movable groove is opened inside the transformer body 101, and a movable rod 128 is installed inside the transformer body 101. The movable rod 128 is connected to the first sound insulation board 129 and the second sound insulation board 130 by screws. The first sound insulation board 129 and the second sound insulation board 130 are usually made of materials with good sound insulation effect, such as foam aluminum, etc. The first sound insulation board 129 and the second sound insulation board 130 can consume and absorb and reduce the noise inside the dry-type transformer.

[0042] During use, first, when the dry-type transformer is used for a long time, vibration and noise will be generated, and the energy of the vibration is transmitted to the mounting plate 103, and the mounting plate 103 will further generate vibration, and the piston guide column 118 will be further moved inside the piston cylinder 119 through the inside of the piston cylinder 119, so as to further absorb the vibration capacity, and the first spring 117 can play a supporting and buffering role, and the first shock-absorbing plate 106 and the second shock-absorbing plate 107 and the second sandwich plate 108 and the first sandwich plate 109 can be moved up and down with the frequency of the vibration, and can play a damping effect at the same time, and can reduce the noise of the dry-type transformer, and can reduce the vibration of the internal structure of the dry-type transformer, and when the second sandwich plate 108 and the first sandwich plate 109 are moved up and down under vibration, the connecting rod 122 is further rotated and moved, and the movable ring 126 is moved on the guide rod 125, and the second spring 127 is retracted and expanded, which can play a buffering role, and can reduce the vibration and play a damping effect in conjunction with the rotation of the connecting rod 122.

[0043] The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.

Claims

1. A low-noise dry-type transformer, characterized in that: include: A dry-type transformer mechanism (100) and a transformer body (101), wherein the lower end of the transformer body (101) is connected and fixed to a mounting plate (103) by welding, the interior of the mounting plate (103) is connected by a fixing bolt (111) through which it penetrates, the fixing bolt (111) is connected through the interior of a second sandwich plate (108) and a first sandwich plate (109), the second sandwich plate (108) and the first sandwich plate (109) are connected to a first damping plate (106) and a second damping plate (107) through the fixing bolt (111), the first damping plate (106) and the second damping plate (107) are connected to the upper end of a connector (115) through the fixing bolt (111), and the connector The joint (115) is connected and fixed to the piston guide column (118) by welding. The piston guide column (118) is installed on the piston cylinder (119). The lower end of the piston cylinder (119) is fixedly installed with a lower chassis (112). The lower end of the lower chassis (112) is fixedly installed on the first groove plate (104) and the second groove plate (105). The first groove plate (104) and the second groove plate (105) are connected and fixed to the base (102) by welding. The upper end of the lower chassis (112) is connected and fixed to the first spring (117) by screws. The upper end of the first spring (117) is connected and fixed to the upper top plate (116) by screws. The upper top plate (116) is connected and fixed to the piston guide column (118) by welding.

2. A low-noise dry-type transformer according to claim 1, characterized in that: The lower end of the mounting platform (103) is connected and fixed to the sound absorbing pad (110) via a fixing bolt (111), and the lower end of the sound absorbing pad (110) is connected to a second sandwich panel (108) and a first sandwich panel (109).

3. A low-noise dry-type transformer according to claim 1, characterized in that: A connecting gasket (113) is installed at the lower end of the fixing bolt (111), and the upper end of the connecting head (115) is installed at the lower end of the connecting gasket (113).

4. A low-noise dry-type transformer according to claim 1, characterized in that: A rubber pad (114) is fixedly mounted on the upper ends of the first groove plate (104) and the second groove plate (105), and the upper ends of the rubber pad (114) are in contact with the inside of the first damping plate (106) and the second damping plate (107).

5. A low-noise dry-type transformer according to claim 2, characterized in that: A fixing rod (120) is fixedly installed on one end side of the second sandwich plate (108) and the first sandwich plate (109); the fixing rod (120) is connected to a connecting rod (122) through a movable bolt (121); one end of the connecting rod (122) is connected to a supporting rod (123) through a movable bolt (121); the lower end of the supporting rod (123) is connected and fixed to a movable ring (126) by welding; a guide rod (125) is passed through the interior of the movable ring (126); fixing blocks (124) are installed at both ends of the guide rod (125); the fixing blocks (124) are connected and fixed to the base (102) by welding; and a second spring (127) is installed at one end of the movable ring (126).

6. A low-noise dry-type transformer according to claim 1, characterized in that: A movable groove is provided inside the transformer body (101), and a movable rod (128) is installed inside the transformer body (101). The movable rod (128) connects the first sound insulation board (129) and the second sound insulation board (130) by screws.

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