CN212342447U - Miniature transformer of making an uproar falls - Google Patents

Abstract

The utility model provides a miniature noise reduction transformer, which comprises an outer shell, a front cover, a lock catch, a lower mounting seat and a rear clapboard; two sides of the outer shell are respectively and fixedly connected with a side plate; the front cover is hinged in front of the bottom plate of the outer shell through a hinge; the lock catch is fixedly connected above the front cover; the welding of the inner wall rear of shell body has the connecting block on the spacing hook, shock pad on the back baffle passes through the veneer and connects the inner wall rear at the shell body, mount pad fixed connection is in the inboard below of shell body down, the hem of interior knot is processed to the top of curb plate, nine buckled plates of top fixedly connected with of mount pad down, and the buckled plate is wavy sheet metal, the below veneer of mount pad is connected with the sound insulation pad down, settles this transformer in suitable environment according to the operating specification, can see out, has increased the effect that noise elimination and wall vibration were propagated than current transformer mounting shell, can effectually reduce the noise and produce and propagate.

Description

Miniature transformer of making an uproar falls

Technical Field

The utility model belongs to the electrical equipment field, more specifically say, in particular to miniature transformer of making an uproar falls.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions of the transformer include voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, transformer noise is inherent characteristics of a transformer during operation, national relevant standards have strict sound level limit regulations on the transformer, complaints reflecting larger site noise of the transformer are increased along with the improvement of environmental awareness of users, the reflected noise level is often larger than factory test data or not, the noise is generated due to reasons such as unstable voltage, poor installation environment and the like, and then the resonance problem of a fan, a shell and other parts of the transformer, the resonance of the fan, the shell and other parts can generate noise which is generally regarded as the noise of the transformer by mistake, and the problem is solved by judging whether an aluminum plate of the shell is loosened or not, possibly treading deformation during installation, tightening a screw of the shell, fixing the aluminum plate of the shell and correcting the deformed part, whether the fan is loosened or not is judged, the fastening bolt of the fan needs to be tightened, a small rubber sheet is arranged between the fan and the fan support, the problem of fan vibration can be solved, and if transformer parts are loosened, the transformer parts need to be fixed.

The existing chinese utility model patent, for example with patent number CN201820908669.4, discloses a transformer oil tank and transformer of making an uproar falls, and its basic description is: the device comprises a box body, a corrugated sheet and a sound insulation board; the box body comprises a side wall and a bottom plate; the outer wall of the side wall is provided with corrugated sheets which are arranged in sequence; the sound insulation board is fixedly connected with the inner wall of the side wall; the acoustic celotex board is equipped with the kink to box internal bending, just the surface of acoustic celotex board is equipped with a plurality of archs, the arch is in the surface of acoustic celotex board evenly sets up.

Based on the above patent description, it can be seen that if the transformer similar to the above patent is installed, noise will be generated due to resonance of the fan, the housing and other parts of the transformer, and the vibration is transmitted to the outside through the housing, and the generation of the noise cannot be blocked.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a micro noise reduction transformer is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a miniature transformer of making an uproar that falls to if solve the transformer installation back of similar above-mentioned patent because the resonance of fan, shell, other spare parts of transformer will produce the noise, the vibration passes to the external world through the shell and equally can the noise appear, can't cut off the problem of the production of noise.

The utility model relates to a purpose and efficiency of miniature transformer of making an uproar falls is reached by following concrete technological means:

a miniature noise reduction transformer comprises an outer shell, a front cover, a lock catch, a lower mounting seat and a rear clapboard; two sides of the outer shell are respectively and fixedly connected with a side plate; the front cover is hinged in front of the bottom plate of the outer shell through a hinge; the lock catch is fixedly connected above the front cover; the welding of the inner wall rear of shell body has the connecting block on the spacing hook, the shock pad on the back baffle passes through the veneer and connects at the inner wall rear of shell body, mount pad fixed connection is in the inboard below of shell body down.

Furthermore, a folded edge which is buckled inside is processed above the side plate, the inner surface of the side plate is fixedly connected with a sound absorption plate, and the sound absorption plate is densely provided with hexagonal holes.

Further, nine buckled plates of top fixedly connected with of mount pad down, and the buckled plate is corrugated sheet metal, the below veneer of mount pad is connected with the pad that gives sound insulation down, give sound insulation and fill up the square gasket that rubber made.

Furthermore, the front end of the limiting hook is processed into a hook shape, the rear end of the limiting hook is fixedly connected with two springs, and the other end of each spring is fixedly connected to the front end of the corresponding connecting block.

Furthermore, the back baffle is the folded plate of L shape, and the inboard and the outside of back baffle all glue and be connected with two shock pads to the shock pad is circular rubber gasket.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses structural improvement has been carried out on current transformer installation shell device, mainly embodied at: the lower mounting seat is additionally arranged inside the outer shell of the structure, and the contact part of the bottom of the lower mounting seat and the outer shell is connected with a rubber sound insulation pad which is mainly used for absorbing vibration and blocking vibration generated on an internal transformer from being transmitted to the outer shell; spacing hook passes through spring coupling on the shell body, consequently can catch on the transformer with the help of elasticity, alleviates the shell vibrations of transformer, still is equipped with the rubber gasket on the back baffle, can play the effect of shock attenuation and wall noise equally, and the medial surface of curb plate also has the abatvoix, and the abatvoix is porous structure, can play the effect of noise absorption, the propagation of noise reduction, to sum up, can find out, increased the effect of noise elimination and wall vibration propagation than current transformer mounting shell, can effectual noise reduction production.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure after the locking of the present invention.

Fig. 3 is a schematic view of the structure of the lower mounting seat of the present invention.

Fig. 4 is a schematic diagram of the rear partition structure of the present invention.

Fig. 5 is a schematic view of the structure of the side plate of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer housing; 2. a side plate; 201. a sound-absorbing panel; 3. a front cover; 4. locking; 5. a lower mounting seat; 501. a corrugated plate; 502. a sound insulating pad; 6. a limiting hook; 601. a spring; 602. connecting blocks; 7. a rear bulkhead; 701. a shock-absorbing pad.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a miniature noise reduction transformer, which comprises an outer shell 1, a front cover 3, a lock catch 4, a lower mounting seat 5 and a rear clapboard 7; the two sides of the outer shell 1 are respectively fixedly connected with a side plate 2, an inner buckled hem is processed above the side plate 2, the inner surface of the side plate 2 is fixedly connected with a sound-absorbing plate 201, hexagonal holes are densely formed in the sound-absorbing plate 201, the side plate 2 with the structure is shown in figure 5, the sound-absorbing plate 201 on the inner side surface of the side plate 2 is of a porous structure, the effect of absorbing noise can be achieved, and the noise is effectively reduced; the front cover 3 is hinged in front of the bottom plate of the outer shell 1 through a hinge; the lock catch 4 is fixedly connected above the front cover 3; the rear partition plate 7 of the structure is shown in figure 4, the rear partition plate 7 is also provided with a rubber gasket which can play the roles of damping and isolating noise as well; the lower mounting seat 5 is fixedly connected to the lower inner side of the outer shell 1.

Wherein, nine buckled plates 501 of top fixedly connected with of lower mount pad 5, and buckled plate 501 is corrugated sheet, the below veneer of mount pad 5 is connected with gives sound insulation and fills up 502 down, give sound insulation and fill up the square gasket that 502 was made for rubber, the lower mount pad 5 of this structure is as shown in fig. 3, buckled plate 501 is favorable to making transformer housing bottom and air contact, do benefit to the heat dissipation, simultaneously, give sound insulation and fill up 502 and can block on the vibration transmission to shell body 1 that the transformer produced, block on the inside transformer vibrations transmission to shell body 1 on.

Wherein, the front end processing of spacing hook 6 has the hook-shape, and the rear end fixedly connected with two spring 601 of spacing hook 6 to the other end fixed connection of spring 601 is at the front end of connecting block 602, and spacing hook 6 of this structure is as shown in fig. 4, and spacing hook 6 passes through spring 601 to be connected on shell body 1, consequently can catch on the transformer with the help of elasticity, alleviates the shell vibrations of transformer.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, at first, inside putting into shell body 1 with current transformer from shell body 1's the place ahead, catch on inside transformer with spacing hook 6 again, reduce because the probability of noise appears in the shell vibration, extrude the transformer backward, with the rubber coating of the cushion 701 two sides on the baffle 7 after, press from both sides in the centre of shell body 1 and transformer, extrude hard and make the three adhere, can play the effect of shock attenuation and wall noise equally, again with 3 locks of protecgulums, it is fixed with protecgulums 3 through hasp 4, settle this transformer in suitable environment according to operating specification, to sum up, can see out, increased noise abatement and cut off the effect that the vibration propagated than current transformer mounting shell, can effectual noise abatement produce and propagate.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. A miniature transformer that makes an uproar that falls, its characterized in that: comprises an outer shell (1), a front cover (3), a lock catch (4), a lower mounting seat (5) and a rear clapboard (7); two sides of the outer shell (1) are respectively and fixedly connected with a side plate (2); the front cover (3) is hinged in front of the bottom plate of the outer shell (1) through a hinge; the lock catch (4) is fixedly connected above the front cover (3); the welding of the inner wall rear of shell body (1) has connecting block (602) on spacing hook (6), shock pad (701) on back baffle (7) are connected in the inner wall rear of shell body (1) through the veneer, mount pad (5) fixed connection is in the inboard below of shell body (1) down.

2. The miniature noise reducing transformer of claim 1, wherein: the upper portion of the side plate (2) is provided with a folded edge which is buckled in the inner portion, the inner surface of the side plate (2) is fixedly connected with a sound absorption plate (201), and the sound absorption plate (201) is densely provided with hexagonal holes.

3. The miniature noise reducing transformer of claim 1, wherein: nine buckled plates of top fixedly connected with (501) of mount pad (5) down, and buckled plate (501) are corrugated sheet metal, the below veneer of mount pad (5) is connected with gives sound insulation and fills up (502) down, give sound insulation and fill up (502) the square gasket that rubber made.

4. The miniature noise reducing transformer of claim 1, wherein: the front end of the limiting hook (6) is processed into a hook shape, the rear end of the limiting hook (6) is fixedly connected with two springs (601), and the other end of each spring (601) is fixedly connected to the front end of the connecting block (602).

5. The miniature noise reducing transformer of claim 1, wherein: the rear partition plate (7) is an L-shaped folded plate, two shock-absorbing pads (701) are respectively connected to the inner side and the outer side of the rear partition plate (7) in a gluing mode, and the shock-absorbing pads (701) are circular rubber gaskets.

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