CN212182126U

CN212182126U - Noise reduction structure for dry-type transformer

Info

Publication number: CN212182126U
Application number: CN201921908875.6U
Authority: CN
Inventors: 马晴
Original assignee: Xianyang Normal University
Current assignee: Xianyang Normal University
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-12-18
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a structure of making an uproar falls for dry-type transformer, including box and dry-type transformer, the lateral wall of box is provided with the cavity intermediate layer, the welding has two bisymmetries to set up the connecting plate in the cavity intermediate layer of box, four all install magnet on the connecting plate, and lie in and set up with two magnet opposite polarities of one side, install the battery in the cavity intermediate layer of box, be provided with the dc-to-ac converter on the battery, and dc-to-ac converter and battery electric connection, install the backup pad of horizontal setting on the inside wall of box, a plurality of jacks have been seted up in the backup pad, and are a plurality of the damping gasket is installed to the top of jack, the top of damping gasket is provided with the. The utility model relates to an equipment technical field of making an uproar falls, through equipment such as the magnet that sets up and coil, carries out vibration/noise reduction with the mode of magnetic force.

Description

Noise reduction structure for dry-type transformer

Technical Field

The utility model relates to an equipment technical field of making an uproar falls especially relates to a structure of making an uproar falls for dry-type transformer.

Background

The dry-type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with an iron core and a winding which are not immersed in insulating oil.

However, the dry-type transformers with a large number of dry-type transformers have the problem of excessive noise generated by machines during operation, in high-rise buildings, the noise affects the daily life of people in the buildings, and the noise in other environments also generates sound pollution and is not beneficial to the healthy life of people.

To this end, we propose a noise reduction structure for dry-type transformers to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the prior art, and the structure of making an uproar falls for dry-type transformer that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a noise reduction structure for a dry type transformer comprises a box body and the dry type transformer, wherein a hollow interlayer is arranged on the side wall of the box body, connecting plates are symmetrically welded in the hollow interlayer of the box body, magnets are arranged on the four connecting plates, the polarities of the two magnets positioned on the same side are opposite, a storage battery is arranged in the hollow interlayer of the box body, an inverter is arranged on the storage battery and electrically connected with the storage battery, a transversely arranged supporting plate is arranged on the inner side wall of the box body, a plurality of inserting holes are formed in the supporting plate, damping gaskets are arranged above the inserting holes, a sleeve is arranged above the damping gaskets, a supporting rod is inserted into the sleeve and penetrates through the damping gaskets and the inserting holes, a first annular retaining shoulder is fixedly sleeved on the supporting rod positioned in the sleeve, a first spring is sleeved on a supporting rod positioned in the sleeve, two ends of the first spring are respectively abutted against a first annular retaining shoulder and the bottom of the sleeve, a T-shaped chute is formed in the upper end face of the supporting rod, a T-shaped sliding block is connected in the T-shaped chute in a sliding manner, the T-shaped sliding block is fixedly connected with the side wall of the dry-type transformer, a plurality of upper electromagnets are fixedly connected on the side wall of the dry-type transformer, a plurality of lower electromagnets are fixedly connected on the supporting plate, the upper electromagnets and the lower electromagnets are both connected with an inverter, the upper electromagnets and the lower electromagnets are arranged in a homopolar and opposite manner, a plurality of through holes are formed in the inner side wall of the box body between the two connecting plates, transversely arranged ejector rods are inserted in the through holes, a contact plate is welded at one end of each ejector rod, and the contact plate is, the battery storage device is characterized in that a second annular blocking shoulder is sleeved on the ejector rod in a sliding mode, a second spring is sleeved on the ejector rod between the second annular blocking shoulder and the contact plate, two ends of the second spring are fixedly connected with the contact plate and the second annular blocking shoulder respectively, a coil is wound at the other end of the ejector rod, and two ends of the coil are connected with the positive electrode and the negative electrode of the storage battery respectively.

Preferably, the T-shaped slider is fastened to the side wall of the dry-type transformer by bolts.

Preferably, the type of the inverter adopts a power frequency inverter power supply three-phase 3 KVA.

Preferably, the outer side of the box body is wrapped with a foam sound absorbing material.

Preferably, the maximum compression amount of the second spring is less than the telescopic amount of the coil sandwiched in the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the dry-type transformer can be cushioned by a magnetic force mode through the upper and lower electromagnets, the inverter and the like, so that the noise generated by the dry-type transformer is reduced, and the noise generated in the damping process is also reduced;

2. through the coil, connecting rod and magnet etc. that set up, let the coil of motion do cutting magnetic induction line telemechanical in the magnetic field that magnet produced to produce the electric energy, carry out electric power compensation to the battery, make the device consumption energy reduce, environmental protection more.

Drawings

Fig. 1 is a schematic front sectional structural view of a noise reduction structure for a dry-type transformer according to the present invention;

fig. 2 is a schematic diagram of a coil structure of a noise reduction structure for a dry-type transformer according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the transformer comprises a box body 1, a supporting plate 2, an inverter 3, a connecting plate 4, a magnet 5, a coil 6, a through hole 7, a jack 8, a storage battery 9, a dry-type transformer 10, a T-shaped sliding block 11, a supporting rod 12, a damping gasket 13, a sleeve 14, a first spring 15, a first annular retaining shoulder 16, a T-shaped sliding groove 17, a contact plate 18, a mandril 19, a second annular retaining shoulder 20, an electromagnet on the contact plate 21, an electromagnet under the contact plate 22 and a second spring under the contact plate 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a noise reduction structure for a dry type transformer, comprising a box body 1 and a dry type transformer 10, wherein a hollow interlayer is arranged on the side wall of the box body 1, a foamed plastic sound absorbing material is wrapped on the outer side of the box body 1 to reduce the noise propagated through the air, connecting plates 4 are welded in the hollow interlayer of the box body 1 in pairwise symmetry, magnets 5 are respectively arranged on the four connecting plates 4, two magnets 5 positioned on the same side are arranged in opposite polarity, a storage battery 9 is arranged in the hollow interlayer of the box body 1, an inverter 3 is arranged on the storage battery 9, the inverter 3 is electrically connected with the storage battery 9, a support plate 2 arranged transversely is arranged on the inner side wall of the box body 1, a plurality of jacks 8 are arranged on the support plate 2, damping gaskets 13 are arranged above the jacks 8, a sleeve 14 is arranged above the damping gaskets 13, the support rod 12 penetrates through the damping gasket 13 and the jack 8, a first annular retaining shoulder 16 is fixedly sleeved on the support rod 12 positioned in the sleeve 14, a first spring 15 is sleeved on the support rod 12 positioned in the sleeve 14, two ends of the first spring 15 are respectively abutted against the first annular retaining shoulder 16 and the bottom of the sleeve 14, a T-shaped chute 17 is formed in the upper end face of the support rod 12, a T-shaped sliding block 11 is connected in the T-shaped chute 17 in a sliding manner, the T-shaped sliding block 11 is connected with the side wall of the dry-type transformer 10 in a fastening manner through bolts, so that the dry-type transformer 10 is convenient to mount and dismount, a plurality of upper electromagnets 21 are fixedly connected on the side wall of the dry-type transformer 10, a plurality of lower electromagnets 22 are fixedly connected on the support plate 2, the upper electromagnets 21 and the lower electromagnets 22 are both connected with the inverter 3, the inverter 3 is of a three-, alternating current is supplied to an upper electromagnet and a lower electromagnet through an inverter 3, the upper electromagnet and the lower electromagnet have homopolarity repulsion, the vibration is absorbed through magnetic force, the upper electromagnet 21 and the lower electromagnet 22 are arranged oppositely, a plurality of through holes 7 are arranged on the inner side wall of a box body 1 between two connecting plates 4, a transversely arranged ejector rod 19 is inserted in the through holes 7, one end of the ejector rod 19 is welded with a contact plate 18, the contact plate 18 is abutted against the side wall of a dry-type transformer 10, a second annular blocking shoulder 20 is sleeved on the ejector rod 19 in a sliding manner, a second spring 23 is sleeved on the ejector rod 19 between the second annular blocking shoulder 20 and the contact plate 18, two ends of the second spring 23 are respectively and fixedly connected with the contact plate 18 and the second annular blocking shoulder 20, the maximum compression amount of the second spring 23 is less than the telescopic amount of a coil 6 in the interlayer of the box body 1, and the coil, the other end of the ejector rod 19 is wound with a coil 6, and two ends of the coil 6 are respectively connected with the anode and the cathode of the storage battery 9.

The utility model discloses in, the staff opens dc-to-ac converter 3, and battery 9 begins to supply power to dc-to-ac converter 3, and the dc-to-ac converter is to going up electromagnet 21 and electromagnet 22 power supply respectively down, simultaneously because going up electromagnet 21 and installing on dry-type transformer 10, when upper and lower electromagnet produce magnetic force, because homopolar relatively to mutual repulsion holds up dry-type transformer 10, carries out vibration/noise reduction through magnetic force to dry-type transformer.

Further, due to the vibration of the dry type transformer 10, the contact plate 18 and the ejector rod 19 are squeezed, so that the coil 6 is driven to cut magnetic induction lines generated by the magnet 5 in an interlayer of the box body 1, a moving conductor generates current when cutting the magnetic induction lines, the current generated by the coil 6 is injected into the storage battery 9 again for energy compensation, and the current is used for damping and reducing noise of the dry type transformer 10, so that the equipment is more environment-friendly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A noise reduction structure for a dry-type transformer comprises a box body (1) and the dry-type transformer (10), and is characterized in that a hollow interlayer is arranged on the side wall of the box body (1), connecting plates (4) are symmetrically welded in the hollow interlayer of the box body (1), four connecting plates (4) are provided with magnets (5), the two magnets (5) positioned on the same side are arranged in a mode of opposite polarity, a storage battery (9) is arranged in the hollow interlayer of the box body (1), an inverter (3) is arranged on the storage battery (9), the inverter (3) is electrically connected with the storage battery (9), a supporting plate (2) transversely arranged is arranged on the inner side wall of the box body (1), a plurality of jacks (8) are formed in the supporting plate (2), and damping gaskets (13) are arranged above the jacks (8), a sleeve (14) is arranged above the damping gasket (13), a support rod (12) is inserted into the sleeve (14), the support rod (12) penetrates through the damping gasket (13) and the jack (8), a first annular retaining shoulder (16) is fixedly sleeved on the support rod (12) in the sleeve (14), a first spring (15) is sleeved on the support rod (12) in the sleeve (14), two ends of the first spring (15) are respectively abutted to the first annular retaining shoulder (16) and the bottom of the sleeve (14), a T-shaped sliding groove (17) is formed in the upper end face of the support rod (12), a T-shaped sliding block (11) is connected in the T-shaped sliding groove (17) in a sliding manner, the T-shaped sliding block (11) is fixedly connected with the side wall of the dry-type transformer (10), a plurality of upper electromagnets (21) are fixedly connected to the side wall of the dry-type transformer (10), the power supply box is characterized in that a plurality of lower electromagnets (22) are fixedly connected to the supporting plate (2), the upper electromagnets (21) and the lower electromagnets (22) are connected with the inverter (3), homopolarity opposite arrangement of the upper electromagnets (21) and the lower electromagnets (22) is realized, a plurality of through holes (7) are formed in the inner side wall of the box body (1) between the two connecting plates (4), ejector rods (19) which are transversely arranged are inserted into the through holes (7), a contact plate (18) is welded at one end of each ejector rod (19), the contact plate (18) is abutted to the side wall of the dry-type transformer (10), a second annular blocking shoulder (20) is slidably sleeved on each ejector rod (19) between the second annular blocking shoulder (20) and the contact plate (18), a second spring (23) is sleeved on each ejector rod (19) between the second annular blocking shoulder (20) and the contact plate (18), and two ends of each second annular blocking shoulder (20) are fixedly connected with the second contact, the other end of the ejector rod (19) is wound with a coil (6), and two ends of the coil (6) are respectively connected with the positive electrode and the negative electrode of the storage battery (9).

2. Noise reduction structure for dry transformers according to claim 1 characterized in that the T-shaped sliders (11) are fastened with the side walls of the dry transformer (10) by bolts.

3. Noise reduction structure for dry transformers according to claim 1, characterized in that said inverter (3) is of the type of mains frequency inverter three phase 3 KVA.

4. A noise reducing structure for dry transformer according to claim 1 characterized in that the outside of the tank (1) is wrapped with foam sound absorbing material.

5. A noise reducing structure for dry transformer according to claim 1, characterized in that the maximum compression of the second spring (23) is less than the amount of telescopic of the coil (6) sandwiched in the tank (1).