CN217656517U

CN217656517U - Noise reduction device for high-voltage motor

Info

Publication number: CN217656517U
Application number: CN202221427579.6U
Authority: CN
Inventors: 刘岗楼; 张红丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-25
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a device of making an uproar falls in high-voltage motor, the on-line screen storage device comprises a base, a plurality of support lower margins of lower extreme fixedly connected with of base, the top of base is provided with motor main part, the position bolted connection that the upper end of base is located the motor main part outside has the shell, the gas vent has been seted up to the upper end intermediate position of shell. The utility model discloses in, fix the motor main part through mount and fixing bolt and base, the shock pad that the mount bottom set up can weaken the vibrations that the motor main part produced, thereby can reduce certain noise, and the shell, the inside soundproof cotton that has inlayed of base, the transmission of noise of effective separation, first abatvoix and the second abatvoix that sets up inside the casing that admits air and the exhaust casing can absorb the noise of transmission to admitting air in casing and the exhaust casing, thereby the noise that can effectual separation motor main part produced.

Description

Noise reduction device for high-voltage motor

Technical Field

The utility model relates to a high-voltage motor technical field especially relates to a high-voltage motor noise reduction device.

Background

The high-voltage motor is a motor having a rated voltage of 1000V or more. 6000V and 10000V are commonly used, and 3300V and 6600V are also used due to different foreign power grids. High voltage motor generation is due to the fact that motor power is proportional to the product of voltage and current, and therefore, the increase of low voltage motor power to a certain extent (such as 300 KW/380V) is limited by the allowable bearing capacity of the wire, which is difficult to make, or the cost is too high. It is necessary to achieve a high power output by increasing the voltage. The high-voltage motor has the advantages of high power and strong impact bearing capacity; the disadvantages are large inertia and difficult starting and braking.

Chinese patent with patent publication number CN214799163U discloses a motor sound insulation and noise reduction protective cover, which comprises a cover body, the inner wall fixedly connected with acoustic celotex board of the cover body, the bottom fixedly connected with refrigeration piece of acoustic celotex board, the bottom fixedly connected with fin of refrigeration piece, the equal fixedly connected with water pipe in the left and right sides of fin, two the relative one side fixedly connected with circulating water pump of water pipe, the inside fixedly connected with soundproof cotton of the cover body, the equal fixedly connected with stretch rod in relative one side of soundproof cotton, two the equal swing joint in relative one side of stretch rod has the throat, two the equal swing joint in surface of stretch rod has the spring, two the equal fixedly connected with clamp splice in relative one side of throat, two swing joint in relative one side of clamp splice has the organism, the utility model discloses an inside arranging the motor main body in inclosed cover body, through set up acoustic celotedly acoustic celotex board and soundproof cotton respectively with inside at the cover body, can play good sound insulation and fall the noise reduction to the motor main body, and dispel the heat through circulating water pump circulating cooling water to the cover body.

When making an uproar falls in giving sound insulation to the motor, can play effectual separation to the noise in arranging the motor in sealed casing, nevertheless air in the sealed casing does not flow, the coefficient of heat conductivity of the air that does not flow is only second in the vacuum, its thermal insulation performance is very good, make the heat that the motor gived off in time effluvium, even cool down the casing, the air is hot bad conductor, separate the air also can not effectually carry out effectual heat dissipation to the motor, make the motor high temperature, break down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-voltage motor noise reduction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high-voltage motor noise reduction device, includes the base, a plurality of support lower margins of the lower extreme fixedly connected with of base, the top of base is provided with motor main part, the position bolted connection that the upper end of base is located the motor main part outside has the shell, the gas vent has been seted up to the upper end intermediate position of shell, the position fixedly connected with exhaust mechanism that the upper end of shell is located the gas vent outside, the inside rear end fixedly connected with connecting cover of shell, the front end of connecting cover is established with motor main part's rear side cover and is connected, the rear end of connecting cover runs through the back wall of shell, the position fixedly connected with casing that the rear end of shell is located the connecting cover outside admits air, the inside front side fixedly connected with first abatvoix of casing admits air, a plurality of ventilation holes have been seted up on the first abatvoix, the slot has been seted up to the intermediate position of casing admits air, the inside of slot is inserted and is equipped with cooling body, the rear end bolted connection of the casing admits air has the filter screen.

Further, the upper end welding of base has a plurality of fixing bolt, the equal fixedly connected with mount in lower extreme both sides of motor main part, the equal fixedly connected with shock pad of lower extreme of mount, fixing bolt inserts with corresponding mount respectively and establishes the connection.

Furthermore, a clamping plate is vertically and fixedly connected to the middle position of the front side of the upper end of the base, a sealing ring is fixedly connected to the outer ring of the upper end of the base, a clamping groove is formed in the middle position of the front side of the shell, and the clamping plate is connected with the clamping groove in a clamping mode.

Further, the cooling mechanism includes the installation frame, the inside slope fixedly connected with a plurality of heat conduction copper boards of installation frame, one side fixedly connected with mounting panel of installation frame.

Furthermore, the inside of mounting panel is inlayed and is had a plurality of semiconductor refrigeration pieces, the cold junction of semiconductor refrigeration piece contacts with the one end that corresponds the heat conduction copper respectively, the outside bolted connection of mounting panel has fixed frame, a plurality of radiator fan of fixed frame's inside fixedly connected with.

Furthermore, exhaust mechanism includes the exhaust casing, the upper end bolted connection of exhaust casing has the protection network, the inside both sides wall of exhaust casing all inclines a plurality of second abatvoix of fixedly connected with, base, shell are inside all to be inlayed and to have soundproof cotton.

The utility model has the advantages that:

1. the utility model discloses when using, this high-pressure motor noise reduction device, fix the motor main part with the base through mount and fixing bolt, the shock pad that the mount bottom set up can weaken the vibrations that the motor main part produced, thereby can reduce certain noise, and the shell, the inside soundproof cotton that all inlays of base, can effectively obstruct the transmission of noise, first abatvoix and the second abatvoix that set up inside air inlet housing and the exhaust housing can absorb the noise of transmission to air inlet housing and exhaust shell, thereby can effectively obstruct the noise that the motor main part produced;

2. the utility model discloses when using, this high-voltage motor noise reduction device, this device through the electronic main part rear side from the radiating fan blade in with external air by the suction of inlet housing body to the shell, the cooling body of setting can cool down the entering air, the air after the cooling can cool down the motor main part, and the inside air of shell can discharge through the gas vent to when can guaranteeing the noise reduction effect, can dispel the heat to the motor main part.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the mounting structure of the motor main body of the present invention;

FIG. 3 is a schematic view of the mounting structure of the fixing bolt of the present invention;

FIG. 4 is a schematic view of the main structure of the motive device of the present invention;

fig. 5 is a front view of the housing of the present invention;

fig. 6 is a bottom view of the housing of the present invention;

fig. 7 is a rear view of the housing of the present invention;

fig. 8 is a schematic view of the mounting structure of the first sound-absorbing panel of the present invention;

fig. 9 is a schematic structural view of the cooling mechanism of the present invention;

fig. 10 is a schematic structural view of the exhaust mechanism of the present invention.

Illustration of the drawings:

1. a base; 2. supporting the ground feet; 3. a housing; 4. an exhaust mechanism; 5. a motor main body; 6. clamping a plate; 7. a seal ring; 8. fixing the bolt; 9. a fixed mount; 10. a shock pad; 11. a card slot; 12. an exhaust port; 13. an air intake housing; 14. a connecting cover; 15. a filter screen; 16. a cooling mechanism; 17. a first sound-absorbing panel; 18. a slot; 19. a mounting frame; 20. a heat-conducting copper plate; 21. mounting a plate; 22. a semiconductor refrigerating sheet; 23. a fixed frame; 24. a heat radiation fan; 25. an exhaust housing; 26. a protective net; 27. a second sound-absorbing panel; 28. a vent hole.

Detailed Description

As shown in fig. 1-8, a high-voltage motor noise reduction device is related to, including a base 1, a plurality of support feet 2 are fixedly connected to a lower end of the base 1, a motor main body 5 is disposed above the base 1, a housing 3 is bolted to a position on an upper end of the base 1, an exhaust port 12 is disposed at an upper end intermediate position of the housing 3, an exhaust mechanism 4 is fixedly connected to a position on an upper end of the housing 3, which is located on an outer side of the exhaust port 12, a connecting cover 14 is fixedly connected to an inner rear end of the housing 3, a front end of the connecting cover 14 is sleeved and connected to a rear side of the motor main body 5, a rear end of the connecting cover 14 penetrates through a rear wall of the housing 3, an air intake housing 13 is fixedly connected to a position on an outer side of the connecting cover 14, a first sound absorption plate 17 is fixedly connected to an inner front side of the air intake housing 13, a plurality of vent holes 28 are disposed on the first sound absorption plate 17, a slot 18 is disposed at an intermediate position of the air intake housing 13, a cooling mechanism 16 is inserted into the slot 18, and a filter screen 15 is bolted to a rear end of the air intake housing 13.

As shown in fig. 2-4, a plurality of fixing bolts 8 are welded at the upper end of the base 1, fixing frames 9 are fixedly connected to both sides of the lower end of the motor main body 5, shock-absorbing pads 10 are fixedly connected to the lower end of the fixing frames 9, the fixing bolts 8 are respectively inserted into and connected with the corresponding fixing frames 9, the motor main body 5 is fixed on the base 1 through the fixing frames 9 and the fixing bolts 8, and the shock-absorbing pads 10 arranged at the bottom ends of the fixing frames 9 can weaken the shock generated by the motor main body 5, so that certain noise can be reduced.

As shown in fig. 2-5, the vertical fixedly connected with cardboard 6 of upper end front side intermediate position of base 1, the fixedly connected with sealing washer 7 of upper end outer lane department of base 1, draw-in groove 11 has been seted up to the front side intermediate position of shell 3, cardboard 6 is connected with draw-in groove 11 card and establishes, cardboard 6 can play the effect of certain support to motor main part 5, and with draw-in groove 11 cooperation, can seal shell 3.

As shown in fig. 7-9, cooling mechanism 16 includes installation frame 19, a plurality of heat conduction copper plates 20 of the inside slope fixedly connected with of installation frame 19, one side fixedly connected with mounting panel 21 of installation frame 19, the inside of mounting panel 21 is inlayed and is had a plurality of semiconductor refrigeration pieces 22, the cold end of semiconductor refrigeration piece 22 contacts with the one end that corresponds heat conduction copper plate 20 respectively, the outside bolted connection of mounting panel 21 has fixed frame 23, a plurality of radiator fan 24 of the inside fixedly connected with of fixed frame 23, start semiconductor refrigeration piece 22 and radiator fan 24, the cold end of semiconductor refrigeration piece 22 can cool down a plurality of heat conduction copper plates 20, radiator fan 24 can dispel the heat to the hot junction of semiconductor refrigeration piece 22, the temperature can reduce when getting into air inlet housing 13 interior air and heat conduction copper plate 20 contact.

As shown in fig. 10, the exhaust mechanism 4 includes an exhaust casing 25, a protective net 26 is bolted to the upper end of the exhaust casing 25, a plurality of second sound-absorbing boards 27 are fixedly connected to two side walls of the inside of the exhaust casing 25 in an inclined manner, the base 1 and the inside of the casing 3 are inlaid with soundproof cotton, the set soundproof cotton can separate noise generated by the motor main body 5, air in the casing 3 can be discharged through the exhaust port 12, and after entering the inside of the exhaust casing 25, the air is discharged to the outside through gaps among the plurality of second sound-absorbing boards 27 in sequence, the set second sound-absorbing boards 27 can absorb noise generated by the motor main body 5, and the set protective net 26 can prevent foreign matters from entering the exhaust casing 25.

The working principle is as follows: the motor main body 5 is fixed on the base 1 through the fixing frame 9 and the fixing bolt 8, the shock pad 10 arranged at the bottom end of the fixing frame 9 can weaken the shock generated by the motor main body 5, thereby reducing certain noise, at the moment, the output end of the motor main body 5 is embedded with the upper end of the clamping plate 6, the shell 3 is fixed with the base 1, the clamping groove 11 is clamped with the clamping plate 6, the arranged sealing ring 7 can play a role of enhancing the sealing property between the shell 3 and the base 1, at the moment, the front end of the connecting cover 14 in the shell 3 is sleeved and connected with the rear end of the motor main body 5, when the motor main body 5 is started, the heat radiation fan blade (not shown) at the rear side of the motor main body 5 rotates along with the motor main body, external air is sucked into the air inlet shell 13, the arranged filter screen 15 can filter the air, at the moment, the semiconductor refrigeration sheet 22 and the heat radiation fan 24 are started, the cold end of the semiconductor refrigeration sheet 22 can cool the heat conduction copper plates 20, the heat radiation fan 24 can radiate the hot end of the semiconductor refrigeration sheet 22, and the temperature is reduced when the air entering the air inlet shell 13 contacts with the heat conduction copper plates 20, after entering the interior of the casing 3 through the plurality of ventilation holes 28 in the first sound-absorbing panel 17 and the connecting cover 14, thereby cooling the motor main body 5, and the hot air in the housing 3 is exhausted through the exhaust port 12 and the exhaust case 25, thereby the heat dissipation can be carried out on the motor main body 5, and the sound insulation cotton is embedded in the shell 3 and the base 1, the transmission of noise can be effectively blocked, the first and second sound-absorbing plates 17 and 27 provided inside the intake and exhaust housings 13 and 25 can absorb noise transmitted into the intake and exhaust housings 13 and 25, so that noise generated from the motor main body 5 can be effectively blocked.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a high-voltage motor noise reduction device, includes base (1), its characterized in that: the lower extreme fixedly connected with of base (1) supports lower margin (2) a plurality of, the top of base (1) is provided with motor main part (5), the position bolted connection that the upper end of base (1) is located the motor main part (5) outside has shell (3), gas vent (12) have been seted up to the upper end intermediate position of shell (3), the position fixedly connected with exhaust mechanism (4) that the upper end of shell (3) is located gas vent (12) outside, the inside rear end fixedly connected with connecting cover (14) of shell (3), the front end of connecting cover (14) is established with the rear side cover of motor main part (5) and is connected, the rear end of connecting cover (14) runs through the rear wall of shell (3), the position fixedly connected with air inlet housing (13) that the rear end of shell (3) is located the connecting cover (14) outside, the inside front side fixedly connected with first abatvoix (17) of air inlet housing (13), a plurality of ventilation holes (28) have been seted up on first abatvoix (17), air inlet housing (13) intermediate position seted up of air inlet housing (18), the inside slot (18) is inserted and the cooling slot (16) the filter screen (15) that is connected with.

2. A high voltage motor noise reducing apparatus according to claim 1, wherein: the welding of the upper end of base (1) has a plurality of fixing bolt (8), the equal fixedly connected with mount (9) in lower extreme both sides of motor main part (5), the equal fixedly connected with shock pad (10) of lower extreme of mount (9), fixing bolt (8) are inserted with corresponding mount (9) respectively and are established and be connected.

3. A high-voltage motor noise reduction apparatus according to claim 1, wherein: the vertical fixedly connected with cardboard (6) of upper end front side intermediate position of base (1), fixedly connected with sealing washer (7) of upper end outer lane department of base (1), draw-in groove (11) have been seted up to the front side intermediate position of shell (3), cardboard (6) are established with draw-in groove (11) card and are connected.

4. A high-voltage motor noise reduction apparatus according to claim 1, wherein: the cooling mechanism (16) comprises an installation frame (19), a plurality of heat-conducting copper plates (20) are fixedly connected to the inner portion of the installation frame (19) in an inclined mode, and an installation plate (21) is fixedly connected to one side of the installation frame (19).

5. The high-voltage motor noise reduction apparatus according to claim 4, wherein: the inside of mounting panel (21) is inlayed and is had a plurality of semiconductor refrigeration pieces (22), the cold junction of semiconductor refrigeration piece (22) respectively with the one end contact that corresponds heat-conducting copper (20), the outside bolted connection of mounting panel (21) has fixed frame (23), a plurality of radiator fan (24) of inside fixedly connected with of fixed frame (23).

6. A high-voltage motor noise reduction apparatus according to claim 1, wherein: exhaust mechanism (4) are including exhaust casing (25), the upper end bolted connection of exhaust casing (25) has protection network (26), a plurality of second abatvoix (27) of the inside both sides wall equal slope fixedly connected with of exhaust casing (25), base (1), shell (3) are inside all to be inlayed and to have the soundproof cotton.