CN212258741U

CN212258741U - Frequency-conversion speed-regulation three-phase asynchronous motor

Info

Publication number: CN212258741U
Application number: CN202020877695.2U
Authority: CN
Inventors: 王云飞; 潘宇
Original assignee: Shenyang Electric Machinery Manufacturing Co ltd
Current assignee: Shenyang Electric Machinery Manufacturing Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-29
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a Variable Frequency Speed Governing (VFSG) three-phase asynchronous motor, including base and three asynchronous machine of high pressure, three asynchronous machine of high pressure are installed on the top of base, still include, heat dissipation mechanism installs the inner chamber of base. This three asynchronous motor of variable frequency speed regulation, through moving the handle to the front side, can drive the spur rack and move to the front side, thereby it is rotatory to drive the gear to the rear side, can drive the baffle upset, thereby open the filter screen, can make the air circulate, improve the radiating effect of motor bottom, can absorb external or self vibrations through the spring, improve the stability of three asynchronous motor during operation of high pressure, the device can improve the radiating effect of three asynchronous motor bottom of high pressure, improve the radiating effect, avoid the motor to work for a long time and easily damage three asynchronous motor of high pressure, guarantee that three asynchronous motor of high pressure can normally work.

Description

Frequency-conversion speed-regulation three-phase asynchronous motor

Technical Field

The utility model relates to a variable frequency speed governing motor technical field specifically is a variable frequency speed governing three-phase asynchronous motor.

Background

The high-voltage three-phase asynchronous motor is a novel energy-saving product designed by combining the electrical organization of the motor, the main technical and economic indexes of the high-voltage three-phase asynchronous motor are greatly improved compared with JS series motors and JR series motors, if the efficiency is improved by 1.5 percent, and the force and energy indexes of the high-voltage three-phase asynchronous motor are close to the level of the world advanced BBC company.

However, when the existing variable-frequency speed-regulating three-phase asynchronous motor is used, the heat dissipation and moisture-proof effects are poor, the motor body is easy to damage after long-time work, and the service life of the motor is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable frequency speed governing three-phase asynchronous motor to solve among the prior art three asynchronous motor of variable frequency speed governing when using, the dampproofing effect of heat dissipation is relatively poor, and long-time work damages the motor main part easily, causes the problem that the motor life-span subtracts the weak point.

In order to achieve the above object, the utility model provides a following technical scheme: a frequency-conversion speed-regulation three-phase asynchronous motor comprises a base and a high-voltage three-phase asynchronous motor, wherein the top end of the base is provided with the high-voltage three-phase asynchronous motor, and the frequency-conversion speed-regulation three-phase asynchronous motor also comprises a motor,

and the heat dissipation mechanism is arranged in the inner cavity of the base.

Preferably, heat dissipation mechanism includes filter screen, round bar, baffle, gear, spur rack, handle, first permanent magnet and second permanent magnet, the filter screen is installed on the top of base, the round bar is all installed through the bearing along the left and right sides at both ends around the inner chamber of base, the inner ring of bearing and the outer wall interference fit of round bar, the outer loop of bearing and the inner wall fixed mounting of base, filter screen assorted baffle is installed to the outer wall rear side of round bar, the gear is installed to the outer wall left end of round bar, the spur rack with gear engaged with is installed to the inner chamber bottom of base, the handle is installed to the left side rear end of spur rack, and extends the base in the left side of handle, first permanent magnet is all installed at both ends around the left side of base, the top of handle install with the second permanent magnet.

Preferably, the area of the filter screen and the high-voltage three-phase asynchronous motor are positioned on the same vertical line.

Preferably, the sliding groove is formed in the left side of the bottom end of the inner cavity of the base along the front-back direction, a sliding block matched with the sliding groove is embedded in the inner cavity of the sliding groove, and the top end of the sliding block is connected with a straight rack in a clamping mode.

Preferably, springs are installed at four corners of the inner cavity of the base.

Compared with the prior art, the beneficial effects of the utility model are that: this three asynchronous motor of variable frequency speed regulation, through moving the handle to the front side, can drive the spur rack and move to the front side, thereby it is rotatory to drive the gear to the rear side, can drive the baffle upset, thereby open the filter screen, can make the air circulate, improve the radiating effect of motor bottom, can absorb external or self vibrations through the spring, improve the stability of motor during operation, the device can improve the radiating effect of motor bottom, improve the radiating effect, avoid the long-time work of motor to damage the motor easily, guarantee that the motor can normally work.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention shown in FIG. 1;

FIG. 3 is a left side view of the cross-sectional structure of the present invention shown in FIG. 2;

fig. 4 is an enlarged schematic view of a position a of the present invention shown in fig. 2.

In the figure: 1. the high-voltage asynchronous motor comprises a base, 2 high-voltage asynchronous motors, 3 a heat dissipation mechanism, 31 a filter screen, 32 a round rod, 33 a baffle, 34 a gear, 35 a spur rack, 36 a handle, 37 a first permanent magnet, 38 a second permanent magnet, 4 a spring, 5 a sliding groove, 6 and a sliding block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a Variable Frequency Speed Governing (VFSG) three-phase asynchronous motor, includes base 1 and three asynchronous machine 2 of high pressure, and three asynchronous machine 2 of high pressure are installed on the top of base 1, and three asynchronous machine 2 of high pressure be prior art, with this device adaptation can, no special model demand still includes, and heat dissipation mechanism 3 installs the inner chamber at base 1, can dispel the heat or dampproofing to three asynchronous machine 2 of high pressure through heat dissipation mechanism 3.

As a preferable scheme, the heat dissipation mechanism 3 comprises a filter screen 31, a round rod 32, a baffle 33, a gear 34, a straight rack 35, a handle 36, a first permanent magnet 37 and a second permanent magnet 38, the filter screen 31 is installed at the top end of the base 1, the bottom end of the high-voltage three-phase asynchronous motor 2 is dissipated heat through the filter screen 31, the round rods 32 are installed at the front end and the rear end of an inner cavity of the base 1 along the left side and the right side through bearings, an inner ring of each bearing is in interference fit with an outer wall of the round rod 32, an outer ring of each bearing is fixedly installed with the inner wall of the base 1, the baffle 33 matched with the filter screen 31 is installed at the rear side of the outer wall of the round rod 32, the filter screen 31 can be sealed through the baffle 33, moisture is prevented from affecting the high-voltage three-phase asynchronous motor 2, the gear 34 is installed at the left end of the outer wall of the, handle 36 is installed to the left side rear end of spur rack 35, and base 1 is extended in the left side of handle 36, and drive spur rack 35 that can be convenient through handle 36 removes, and first permanent magnet 37 is all installed at both ends around the left side of base 1, and the top of handle 36 is installed with second permanent magnet 38, inhales mutually through first permanent magnet 37 and second permanent magnet 38 and can be fixed with handle 36.

As a preferable scheme, the area of the filter screen 31 and the high-voltage three-phase asynchronous motor 2 are located on the same vertical line, so that the filter screen 31 can radiate the bottom end of the high-voltage three-phase asynchronous motor 2.

As preferred scheme, base 1 inner chamber bottom left side has seted up spout 5 along the fore-and-aft direction, and the inner chamber of spout 5 is embedded to have assorted slider 6, and the top of slider 6 ann and the straight rack 35 joint, can make straight rack 35 more stable when removing through slider 6 at the inner chamber slip of spout 5.

As the preferred scheme, the spring 4 is installed at the four corners of the inner cavity of the base 1, and the vibration generated by the high-voltage three-phase asynchronous motor 2 and the outside can be absorbed through the spring 4.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the high-voltage three-phase asynchronous motor 2 works, heat is generated, good heat dissipation effect cannot be achieved only by means of current heat dissipation, when the heat dissipation effect needs to be improved, the handle 36 is held by a hand to move forwards, the second permanent magnet 38 is made to be separated from the first permanent magnet 37 on the rear side, the handle 36 can be guaranteed to move normally, the straight rack 35 moves forwards, the gear 34 can be driven to move backwards, the baffle 33 can be opened, meanwhile, the second permanent magnet 38 is attracted with the first permanent magnet 37 on the rear side, the handle 36 is fixed, when the baffle 33 is opened, air circulation in the inner cavity of the base 1 can dissipate heat of the bottom end of the high-voltage three-phase asynchronous motor 2, when moisture is too heavy, the filter screen 31 needs to be closed, the reverse operation can be carried out according to the principle, the spring 4 can absorb vibration generated by the work of the high-voltage three-phase asynchronous motor 2 or vibration generated by the outside, can influence three asynchronous machine 2 normal workings of high pressure when avoiding shaking, device simple structure, convenient to use can be quick opens or close the filter screen to the heat dissipation and the damp-proofing condition of coping, and can absorb some vibrations, be favorable to the popularization and the use of device.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated 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; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "snap" or "set" or "mount" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a variable frequency speed governing three-phase asynchronous motor, includes three asynchronous high-voltage three asynchronous motor (2) of base (1) and high pressure, three asynchronous high-voltage three asynchronous motor (2) of high pressure are installed to the top of base (1), its characterized in that: also comprises the following steps of (1) preparing,

and the heat dissipation mechanism (3) is arranged in the inner cavity of the base (1).

2. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: the heat dissipation mechanism (3) comprises a filter screen (31), a round rod (32), a baffle (33), a gear (34), a spur rack (35), a handle (36), a first permanent magnet (37) and a second permanent magnet (38), the filter screen (31) is installed on the top of the base (1), the round rod (32) is installed on the left side and the right side of the inner cavity of the base (1) at the front end and the rear end of the inner cavity of the base along the left side and the right side, the inner ring of the bearing is in interference fit with the outer wall of the round rod (32), the outer ring of the bearing is fixedly installed on the inner wall of the base (1), the baffle (33) matched with the filter screen (31) is installed on the rear side of the outer wall of the round rod (32), the gear (34) is installed at the left end of the outer wall of the round rod (32), the spur rack (35) meshed with the gear (34) is installed at the bottom of the inner, and the left side of handle (36) extends base (1), first permanent magnet (37) are all installed at both ends around the left side of base (1), the top of handle (36) is installed with second permanent magnet (38).

3. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 2, characterized in that: the area of the filter screen (31) and the high-voltage three-phase asynchronous motor (2) are positioned on the same vertical line.

4. A variable frequency speed-regulating three-phase asynchronous motor according to claim 1 or 2, characterized in that: base (1) inner chamber bottom left side has seted up spout (5) along the fore-and-aft direction, the inner chamber of spout (5) is embedded to have assorted slider (6), and the top ann of slider (6) and spur rack (35) joint.

5. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: and springs (4) are arranged at four corners of the inner cavity of the base (1).