CN212322623U - Noise reduction device for power converter station - Google Patents

Abstract

The utility model relates to a noise reduction device for a power converter station, which has poor noise isolation effect and fixed structure length, and provides the following scheme comprising a protective bottom cover, a threaded rod, a protective cover, a fixed ferrule and a mounting plate; the inside vacuum structure that is of protection end shield, protection end shield both ends fixed mounting has two sets of connection wings, the left end fixed surface of protection end shield installs the arc limiting plate, the arc spacing groove has been seted up on the right-hand member surface of protection end shield, both ends fixed mounting has two sets of lassos about the lateral wall of protection end shield, the upper end fixed mounting of protection end shield has the protection housing. The utility model discloses a set up to the vacuum structure in will protecting under cover and the protective cover, have the syllable-dividing effect of reinforcing, wrap up the power transmission line through installation protecting under cover and protective cover, have the effect of great isolated noise, improved the effect of making an uproar device noise reduction that falls.

Description

Noise reduction device for power converter station

Technical Field

The utility model relates to a device of administering the noise especially relates to a device of making an uproar falls for electric power converter station.

Background

The converter station is a station established in a high-voltage direct-current transmission system for converting alternating current into direct current or converting direct current into alternating current and meeting the requirements of a power system on safety, stability and power quality. Can produce certain noise at the power transmission conversion in-process, the production of noise can amazing external people's ear, cause unfavorable influence, the external great noise that produces simultaneously also has certain influence to power transmission conversion, cause power transmission to break off or not smooth easily, therefore, it is isolated with external power transmission electric wire to need a device of making an uproar that falls for power converter station, the effect of the isolated noise of the device of making an uproar that has current power converter station is relatively poor, and its structural length is fixed, can't be applicable to the transmission electric wire of different length in different power converter stations, therefore, it solves above-mentioned problem to need a device of making an uproar that is used for power converter station.

In the implementation of the utility model discloses the in-process, it does not solve to have following problem among the prior art at least to discover: 1. the existing noise reduction device of the power converter station has poor noise isolation effect due to insufficient tightness and low practicability; 2. the existing noise reduction device of the power converter station has fixed structure length and cannot be suitable for transmission wires with different lengths in different power converter stations. This application has improved the effect to noise reduction in the electric power exchange station through protection undercover and protection housing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of making an uproar falls for electric power converter station has solved the less problem of noise reduction effect not enough, application scope.

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

a noise reduction device for a power converter station comprises a protective bottom cover, a threaded rod, a protective cover, a fixed ferrule and a mounting plate;

the interior of the protective bottom cover is of a vacuum structure, two groups of connecting wings are fixedly mounted at two ends of the protective bottom cover, an arc limiting plate is fixedly mounted on the surface of the left end of the protective bottom cover, an arc limiting groove is formed in the surface of the right end of the protective bottom cover, two groups of ferrules are fixedly mounted at the left end and the right end of the outer side wall of the protective bottom cover, a protective cover is fixedly mounted at the upper end of the protective bottom cover, the protective cover and the protective bottom cover are identical in structural material, and the protective cover and the protective bottom cover are fixedly connected through the connecting wings through bolt assemblies;

the right-hand member fixed mounting of protection under cover and protection housing has another protection under cover of organizing and protection housing, and is two sets of protection under cover runs through the arc limiting plate and inserts arc limiting groove fixed connection, and is two sets of protection housing runs through the arc limiting plate and inserts arc limiting groove fixed connection, and is two sets of the periphery fixed mounting of protection under cover has the retaining ring, retaining ring periphery fixed mounting has the mounting panel, run through on the mounting panel and install several sets of stop screw.

Preferably, the connecting wing, the protective bottom cover and the protective cover are of an integral structure.

Preferably, the arc limiting plate is matched with the arc limiting groove.

Preferably, the fixing collar and the mounting plate are of a unitary construction.

Preferably, a threaded rod is arranged between the ferrules on the two adjacent groups of protective bottom covers in a penetrating mode.

Preferably, a threaded rod is arranged in the middle of the ferrules on the two adjacent groups of protective covers in a penetrating mode.

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

1. the utility model discloses a set up to vacuum structure in will protecting under cover and the protective cover, have the syllable-dividing effect of reinforcing, wrap up the power transmission line through installation protecting under cover and protective cover, have the effect of great isolated noise, can avoid the noise that the electric wire transmission current in-process produced to influence external pedestrian, can block the normal transmission of the noise influence electric current in the electric wire that the external world sent simultaneously.

2. The utility model discloses install the arc limiting plate in the one end of protection under shield and protection housing, seted up the arc spacing groove at the other end, when being convenient for interconnect between multiunit protection under shield and the protection housing, it can adjust the whole length of making an uproar device of falling according to the length flexibility of transmission line, inserts the arc spacing inslot fixed connection through the arc limiting plate, has improved the whole seal of making an uproar device of falling, has then improved the whole function of making an uproar device isolated noise of falling.

3. The utility model discloses a lasso is installed at both ends about the surface to protection under cover and protection housing, runs through lasso fixed connection through the threaded rod between adjacent protection under cover and protection housing and be in the same place, has certain supporting role to protection under cover and protection housing simultaneously, has improved the firm stability of the whole device of making an uproar, crosses installation mounting panel and stop screw and is convenient for fall the whole device fixed mounting of making an uproar on electric power converter station.

Drawings

Fig. 1 is a schematic overall structural diagram of a noise reduction device for a power converter station according to the present invention;

fig. 2 is a schematic side view of the protective bottom cover and the protective cover of the present invention.

In the figure: 1. a protective undercover; 2. a connecting wing; 3. an arc-shaped limiting groove; 4. an arc limiting plate; 5. a ferrule; 6. a threaded rod; 7. a protective covering; 8. a bolt assembly; 9. fixing the ferrule; 10. mounting a plate; 11. and a limiting screw.

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.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, a noise reduction device for a power converter station comprises a protective bottom cover 1, a threaded rod 6, a protective cover 7, a fixing ferrule 9 and a mounting plate 10;

the interior of the protective bottom cover 1 is of a vacuum structure, two groups of connecting wings 2 are fixedly mounted at two ends of the protective bottom cover 1, an arc limiting plate 4 is fixedly mounted on the surface of the left end of the protective bottom cover 1, an arc limiting groove 3 is formed in the surface of the right end of the protective bottom cover 1, two groups of ferrules 5 are fixedly mounted at the left end and the right end of the outer side wall of the protective bottom cover 1, a protective cover 7 is fixedly mounted at the upper end of the protective bottom cover 1, the protective cover 7 and the protective bottom cover 1 are made of the same structural material, and the protective cover 7 and the protective bottom cover 1 are fixedly connected through the connecting wings 2 through a bolt assembly 8;

protection under shield 1 and protection housing 7's right-hand member fixed mounting has another protection under shield 1 and protection housing 7 of organizing, and is two sets of protection under shield 1 runs through arc limiting plate 4 and inserts arc limiting groove 3 internal fixation connection, and is two sets of protection housing 7 runs through arc limiting plate 4 and inserts arc limiting groove 3 internal fixation through connection, and is two sets of protection under shield 1's periphery fixed mounting has retaining ring 9, retaining ring 9 periphery fixed mounting has mounting panel 10, run through on the mounting panel 10 and install several sets of stop screw 11.

In this embodiment (as shown in fig. 1 and fig. 2), the protection bottom cover 1 and the protection cover 7 are provided with vacuum structures, which can enhance the sound insulation effect, prevent the noise generated in the current transmission process of the electric wire from affecting the external pedestrians, and simultaneously prevent the noise emitted from the outside from affecting the normal transmission of the current in the electric wire, the transmission line is wrapped by installing the protection bottom cover 1 and the protection cover 7, so that the noise isolation effect is relatively large, the arc limiting plate 4 is installed at one end of the protection bottom cover 1 and the protection cover 7, the arc limiting groove 3 is installed at the other end, so that when multiple groups of protection bottom covers 1 and the protection cover 7 are connected with each other, the length of the whole noise reduction device can be flexibly adjusted according to the length of the transmission line, the arc limiting plate 4 is inserted into the arc limiting groove 3 for fixed connection, the tightness of the whole noise reduction device is improved, the interconnection between the multiple groups of protection bottom covers 1 and the protection cover 7 is improved by the, the whole noise reduction device is convenient to be fixedly installed on the power converter station through the installation plate 10 and the limiting screw 11.

Wherein, the connecting wing 2, the protective bottom cover 1 and the protective cover 7 are of an integral structure.

Wherein, the arc limiting plate 4 is matched with the arc limiting groove 3.

Wherein the fixing collar 9 and the mounting plate 10 are of an integral structure.

Wherein, a threaded rod 6 is arranged between the ferrules 5 on the two adjacent groups of the protective bottom covers 1 in a penetrating way.

Wherein, a threaded rod 6 is arranged between the ferrules 5 on the two adjacent groups of the protective covers 7 in a penetrating way.

The utility model discloses during the use: during the use, place the electric power exchange electric wire in the middle of protection under cover 1 and protection housing 7, increase the quantity of protection under cover 1 and protection housing 7 according to the length condition of power transmission electric wire, make between adjacent two sets of protection under cover 1 and the protection housing 7 insert through arc limiting plate 4 in the arc spacing groove 3 zonulae occludens, then install bolt assembly 8 on the connection wing 2 at interconnect's protection under cover 1 and protection housing 7 both ends again, thereby with whole protection under cover 1 and protection housing 7 fixed mounting together, run through threaded rod 6 on the lasso 5 of adjacent two sets of protection under cover 1 and protection housing 7 simultaneously, through stop screw 11 with mounting panel 10 fixed mounting on the wall of electric power exchange station at last, the design is simple, and the cost is lower, and is comparatively practical.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. A noise reduction device for a power converter station is characterized by comprising a protective bottom cover (1), a threaded rod (6), a protective cover (7), a fixed ferrule (9) and a mounting plate (10);

the vacuum structure is arranged in the protection bottom cover (1), two groups of connecting wings (2) are fixedly mounted at two ends of the protection bottom cover (1), an arc limiting plate (4) is fixedly mounted on the surface of the left end of the protection bottom cover (1), an arc limiting groove (3) is formed in the surface of the right end of the protection bottom cover (1), two groups of ferrules (5) are fixedly mounted at the left end and the right end of the outer side wall of the protection bottom cover (1), a protection cover (7) is fixedly mounted at the upper end of the protection bottom cover (1), the protection cover (7) and the protection bottom cover (1) are made of the same structural material, and the protection cover (7) and the protection bottom cover (1) are fixedly connected through the connecting wings (2) through a bolt assembly (8);

the right-hand member fixed mounting of protection under shield (1) and protection housing (7) has another a set of protection under shield (1) and protection housing (7), and is two sets of protection under shield (1) runs through arc limiting plate (4) and inserts arc spacing groove (3) internal fixation connection, and is two sets of protection housing (7) runs through arc limiting plate (4) and inserts arc spacing groove (3) internal fixation connection, and is two sets of the periphery fixed mounting of protection under shield (1) has retaining ring (9), retaining ring (9) periphery fixed mounting has mounting panel (10), run through on mounting panel (10) and install array stop screw (11).

2. A noise reducer for electric power converter stations according to claim 1, characterized in that said connecting wings (2) are of one piece construction with the protective bottom cover (1) and the protective cover (7).

3. A noise reducer for a power converter station according to claim 1, characterized in that the arc-shaped limiting plate (4) is matched with the arc-shaped limiting groove (3).

4. A noise reducing arrangement for a power converter station according to claim 1, characterized in that the fixing collar (9) and the mounting plate (10) are one integral structure.

5. A noise reducer for a power converter station according to claim 1, characterized in that a threaded rod (6) is mounted through the middle of the ferrules (5) of two adjacent sets of said protective bottom covers (1).

6. A noise reducer for power converter stations according to claim 1, characterized in that a threaded rod (6) is mounted through the middle of the ferrules (5) on two adjacent sets of said protective covers (7).

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