CN201934335U - Stepless frequency conversion gas booster - Google Patents
Stepless frequency conversion gas booster Download PDFInfo
- Publication number
- CN201934335U CN201934335U CN2010206872839U CN201020687283U CN201934335U CN 201934335 U CN201934335 U CN 201934335U CN 2010206872839 U CN2010206872839 U CN 2010206872839U CN 201020687283 U CN201020687283 U CN 201020687283U CN 201934335 U CN201934335 U CN 201934335U
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- China
- Prior art keywords
- frequency conversion
- rotor
- conversion gas
- spiral casing
- stepless frequency
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Abstract
The utility model relates to the technical field of strong corrosive gas motors and stepless pressurization rotating motors, in particular to a stepless frequency conversion gas booster which comprises a compressor, a squirrel cage type rotor asynchronous motor and a converter, wherein the compressor comprises a guider, impellers, an expansion pressure plate, an outer volute and an inner volute. The right end of the inner volute is fixedly connected with a motor casing and the left end of the inner volute is fixedly connected with a front wheel shell through a motor head cover. Impellers and the guider are sequentially sleeved and fixed at the front end of a rotor rotating shaft. The outer volute is a tubular structure and the right end of the outer volute is fixedly connected with the right end of the inner volute in sealing mode. The upper end of the outer volute is provided with a gas outlet. The lower end of the outer volute is in fixed connection with a support. The parts in the inner cavity of the stepless frequency conversion gas booster completely utilize a corrosion protection design. The stepless frequency conversion gas booster has compact structure, small volume, even compressed gas during continuous operation, large flow, good regulation performance, wide change range of controlling gas flow and convenient speed regulation, thereby being capable of easily realizing special requirements for different compression ratios.
Description
Technical field
The utility model belongs to the electrodeless supercharging rotation of severe corrosive air kind class technical field of motors, is specifically related to a kind of electrodeless frequency conversion gas-booster.
Background technique
Domestic existing gas-booster kind is more, but exists degree of vacuum low, component being able to bear strong corrosion property gas medium not in the chamber, and flow accommodation is little, and compression ratio is uncontrollable, and the supercharging of incompatibility special gas medium needs.
Summary of the invention
The purpose of this utility model is to provide a kind of degree of vacuum height, being able to bear strong corrosion property gas in the chamber, and can control the electrodeless frequency conversion gas-booster of compression ratio.
The technical solution of the utility model is as follows: a kind of stepless frequency conversion gas-booster, comprise compressor and squirrel cage rotor asynchronous motor, wherein, the squirrel cage rotor asynchronous motor comprises rotor, stator, preceding hub and back hub, the rotor middle part is pressed with iron core, preceding hub and back hub are fixed rotor supports by fore bearing and rear bearing respectively, and fore bearing grips by the front bearing retainer and the preceding inner flange in left side, rear bearing grips by the back inner flange and the rear end cover in left side, the outside that is pressed with the iron core part at rotor is the stator that is fixedly mounted on the motor casing, fixedly connected with the back hub in the motor casing right side, stator is that the silicon steel sheet by mutually insulated changes, the groove of the silicon steel sheet of stator is embedded with winding, and winding is drawn out on the lead wire board in the motor casing outside from stator faces, and is connected with frequency variator; Compressor comprises guider, active wheel, outer spiral casing and inner spiral casing, and wherein, the inner spiral casing right-hand member is fixedlyed connected with motor casing, and left end is fixedlyed connected with preceding hub by motor cover; Active wheel, guider suit successively are fixed on the rotor shaft front end, and outer spiral casing is a tubular structure, and its right-hand member and inner spiral casing right-hand member are sealedly and fixedly connected, and have the air outlet on the outer spiral casing, fixedly connected with bearing in the lower end.
Described inner spiral casing left side is a circular disk, the shell construction that its outer radial becomes " S " type to extend to the right outward; Described outer spiral casing left side diameter is less, and the right side diameter is bigger, and the centre is the tubular structure of " S " type.
Described inner spiral casing left end also is provided with left end and also is provided with the diffusion dish that circularizes the dish structure.
The adjustable frequency scope of described frequency variator is 1～400HZ.
The separation sleeve of cylinder cartridge type also is installed between described stator and the rotor, and the separation sleeve left end is fixed by preceding hub and the clamping of preceding tension cover, and right-hand member is fixedlyed connected with the back hub by back tension cover.
The material of described separation sleeve is a nichrome.
Described active wheel is circular-arc circular backboard, is the straight radial blade of semi-open type on it.
Described guider is the blade structure of annular array successively radially, and all has the breach of acute angle shape in twos between the flabellum.
The rotating shaft of described rotor is equipped with the air guide sleeve of semi-round ball structure foremost.
Remarkable result of the present utility model is: electrodeless frequency conversion gas-booster inner chamber component described in the utility model adopt corrosion protection design comprehensively, compact structure, volume is little, the running hours pressurized gas is even, flow is big, and adjusting function is good, and the excursion of control gaseous flow is wide, rotational speed regulation is convenient, can easily realize the special requirement of different compression ratios.
Description of drawings
Fig. 1 is a stepless frequency conversion gas-booster plan view;
Fig. 2 is an active wheel plan view in the stepless frequency conversion gas-booster;
Fig. 3 is a guider plan view in the stepless frequency conversion gas-booster;
Among the figure: 1, bearing; 2, air guide sleeve; 3, guider; 4, active wheel; 5, fore bearing; 6, preceding hub; 7, diffusion dish; 8, outer spiral casing; 9, inner spiral casing; 10, motor cover; 11, separation sleeve; 12, stator; 13, rotor; 14, motor casing; 15, back hub; 16, rear bearing; 17, wire board; 18, frequency variator; 19, back tension cover; 20, front bearing retainer; 21, preceding inner flange; 22, back inner flange; 23, rear end cover; 24, preceding tension cover.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.
Shown in Fig. 1～3, a kind of stepless frequency conversion gas-booster, comprise motor, compressor and frequency variator, wherein, motor is the squirrel cage rotor asynchronous motor, mainly comprise rotor 13, stator 12, separation sleeve 11, preceding hub 6 and back hub 15, rotor 13 is the ladder cylindrical body, be pressed with iron core at the middle part, preceding hub 6 and back hub 15 are respectively by fore bearing 5 and 16 pairs of rotor 13 support fixation of rear bearing, and fore bearing 5 grips by the front bearing retainer and the preceding inner flange 21 in left side, rear bearing 16 grips with rear end cover 23 by the back inner flange 22 in left side, the outside that is pressed with the iron core part at rotor 13 is the stator 12 that is fixedly mounted on the motor casing 14, wherein, motor casing 14 is a cap-like structure, the right side be the cylindrical drum structure and with the back hub 15 fixedly connected, left circles column casing wall stretches out, form flange, stator 12 is that the silicon steel sheet by mutually insulated changes, its groove is embedded with winding, and winding is drawn out on the lead wire board 17 in motor casing 14 outsides from stator 12 end faces, and is connected with frequency variator 18, wherein, frequency variator 18 adjustable frequencies are 1～400HZ; Stator 12 also is equipped with the cylinder cartridge type separation sleeve 11 that material is a nichrome with rotor 13, separation sleeve 11 left ends grip by preceding hub 6 and preceding tension cover 24, and right-hand member is fixedlyed connected with back hub 15 by back tension cover 19, can be with rotor 13 isolated sealings; Compressor comprises guider 3, active wheel 4, diffusion dish 7, outer spiral casing 8 and inner spiral casing 9, wherein, inner spiral casing 9 left sides are circular disk, its outer radial is outer, one-tenth " S " type extends to the right, form a kind of cover case, and the right-hand member of inner spiral casing 9 fixedlying connected with motor casing 14 left side cap-like structure extensions, fixedlys connected with preceding hub 6 by motor cover 10 in the left end right side of inner spiral casing 9, diffusion dish 7 is the circle ring disk structure, is fixed on the inner spiral casing 9; Active wheel 4, guider 3 suit successively are fixed on the front end of rotor 13 rotating shafts, wherein, active wheel 4 is circular-arc circular backboard, be the straight radial blade of semi-open type on it, guider 3 is the blade structure of annular array successively radially, and all has the breach of acute angle shape in twos between the flabellum, can not enter active wheel 4 by steering flow with having impact, air guide sleeve 2 is the semi-round ball structure, and is installed in the preceding axial end of rotor 13 rotating shafts, can reduce the impact of gas to rotor 13 axial end; Outer spiral casing 8 is that a left side diameter is less, the right side diameter is bigger, the centre is the tubular structure of " S " type, and right side and airtight the fixedlying connected of inner spiral casing 9 upper right sides, left side internal diameter and guider 3 and active wheel 4 are complementary, and outer spiral casing 8 upper ends have the air outlet, fixedly connected with bearing 1 in the lower end, and outer spiral casing 8 has constituted the pressing chamber of compressor with inner spiral casing 9 at front end, has formed the volute chamber of compressor in the rear end.
A kind of stepless frequency conversion gas-booster described in the utility model adopts carbon steel to make, and surface of internal cavity plating copper and nickel at compressor, its concrete working principle is: after connecting power supply, after stator 12 energisings, in stator 12, produce the magnetic field of rotation, magnetic field is cut by rotor 13, produce electromotive force and rotatory current in the iron core of rotor 13, Interaction Law of Electric Current produces magnetic force on the electric current of electronics 12 and the rotor 13, drives rotor 13 rotations, thereby drive guider 3 and active wheel 4 high speed rotating simultaneously, gas enters guider 3 and active wheel 4 from the left side suction port of outer spiral casing 8, and follows active wheel 4 and make circular movement together, obtains along tangent to periphery direction movement velocity, because centrifugal action, gas obtains from the center of circle simultaneously to the radial motion speed of circumference, and the absolute velocity of gas is increased, and has improved the speed kinetic energy of gas, gas flows out from active wheel 4, enter in the diffusion dish 7, speed reduces, because gas does not have external work done, speed can be converted into the static energy of gas, and gas pressure improves; Gas enters the volute chamber by diffusion dish 7, concentrates the outlet of outer spiral casing 8 upper ends from the volute chamber to flow out, and has finished the compression to gas; Air guide sleeve 2 can reduce the impact of gas to rotor 13 axial end; Guider 3 can suck gas, produces pre-rotation speed simultaneously, changes airflow direction, reduces the impact of air-flow to active wheel 4; Active wheel 4 passes to gas with rotor 13 air horsepower, and by work done improves total mechanical energy of gas to gas; Diffusion dish 7 makes the gas reduction of speed, speed can be converted into the static energy of gas; Frequency variator 18 can be regulated motor input current frequency, adjusts motor speed, the compression ratio of control gaseous.
Claims (9)
1. stepless frequency conversion gas-booster, comprise compressor and squirrel cage rotor asynchronous motor, wherein, the squirrel cage rotor asynchronous motor comprises rotor (13), stator (12), preceding hub (6) and back hub (15), rotor (13) middle part is pressed with iron core, preceding hub (6) and back hub (15) pass through fore bearing (5) and rear bearing (16) respectively to rotor (13) support fixation, and fore bearing (5) grips with preceding inner flange (21) by the front bearing retainer (20) in left side, rear bearing (16) grips with rear end cover (23) by the back inner flange (22) in left side, the outside that is pressed with the iron core part at rotor (13) is for being fixedly mounted on the stator (12) on the motor casing (14), fixedly connected with back hub (15) in motor casing (14) right side, stator (12) is that the silicon steel sheet by mutually insulated changes, it is characterized in that: the groove of the silicon steel sheet of stator (12) is embedded with winding, winding is drawn out on the lead wire board (17) in motor casing (14) outside from stator (12) end face, and is connected with frequency variator (18); Compressor comprises guider (3), active wheel (4), outer spiral casing (8) and inner spiral casing (9), and wherein, inner spiral casing (9) right-hand member is fixedlyed connected with motor casing (14), and left end is fixedlyed connected with preceding hub (6) by motor cover (10); Active wheel (4), guider (3) suit successively are fixed on rotor (13) rotating shaft front end, outer spiral casing (8) is a tubular structure, its right-hand member and inner spiral casing (9) right-hand member is sealedly and fixedly connected, and has the air outlet on the outer spiral casing (8), fixedlys connected with bearing (1) in the lower end.
2. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: described inner spiral casing (9) left side is circular disk, the shell construction that its outer radial becomes " S " type to extend outward to the right; Described outer spiral casing (8) left side diameter is less, and the right side diameter is bigger, and the centre is the tubular structure of " S " type.
3. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: described inner spiral casing (9) left end also is provided with the diffusion dish (8) that circularizes the dish structure.
4. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: the adjustable frequency scope of described frequency variator (18) is 1～400HZ.
5. a kind of stepless frequency conversion gas-booster according to claim 1, it is characterized in that: the separation sleeve (11) that the cylinder cartridge type also is installed between described stator (12) and the rotor (13), separation sleeve (11) left end grips by preceding hub (6) and preceding tension cover (24), and right-hand member is fixedlyed connected with back hub (15) by back tension cover (19).
6. a kind of stepless frequency conversion gas-booster according to claim 5 is characterized in that: the material of described separation sleeve (11) is a nichrome.
7. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: described active wheel (4) is circular-arc circular backboard, is the straight radial blade of semi-open type on it.
8. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: described guider (3) is the blade structure of annular array successively radially, and all has the breach of acute angle shape in twos between the flabellum.
9. a kind of stepless frequency conversion gas-booster according to claim 1 is characterized in that: the rotating shaft of described rotor (13) is equipped with the air guide sleeve (2) of semi-round ball structure foremost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206872839U CN201934335U (en) | 2010-12-29 | 2010-12-29 | Stepless frequency conversion gas booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206872839U CN201934335U (en) | 2010-12-29 | 2010-12-29 | Stepless frequency conversion gas booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934335U true CN201934335U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206872839U Expired - Lifetime CN201934335U (en) | 2010-12-29 | 2010-12-29 | Stepless frequency conversion gas booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934335U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410774A (en) * | 2013-07-26 | 2013-11-27 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| CN104937277A (en) * | 2012-12-11 | 2015-09-23 | 克劳斯联合有限两合公司 | Can for magnetically coupled pumps and production process |
| CN107178521A (en) * | 2017-07-05 | 2017-09-19 | 沈阳透平机械股份有限公司 | A kind of single shaft centrifugal compressed machine rotor and its assembly method |
| CN111295521A (en) * | 2017-11-01 | 2020-06-16 | 株式会社Ihi | Centrifugal compressor |
| US11339800B2 (en) | 2017-11-01 | 2022-05-24 | Ihi Corporation | Centrifugal compressor with heat exchanger |
-
2010
- 2010-12-29 CN CN2010206872839U patent/CN201934335U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937277A (en) * | 2012-12-11 | 2015-09-23 | 克劳斯联合有限两合公司 | Can for magnetically coupled pumps and production process |
| CN103410774A (en) * | 2013-07-26 | 2013-11-27 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| CN103410774B (en) * | 2013-07-26 | 2015-07-22 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| CN107178521A (en) * | 2017-07-05 | 2017-09-19 | 沈阳透平机械股份有限公司 | A kind of single shaft centrifugal compressed machine rotor and its assembly method |
| CN111295521A (en) * | 2017-11-01 | 2020-06-16 | 株式会社Ihi | Centrifugal compressor |
| US11248612B2 (en) | 2017-11-01 | 2022-02-15 | Ihi Corporation | Centrifugal compressor with gas and liquid cooling lines |
| US11339800B2 (en) | 2017-11-01 | 2022-05-24 | Ihi Corporation | Centrifugal compressor with heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |