CN112952834B - Damping device for APF active power filter - Google Patents
Damping device for APF active power filter Download PDFInfo
- Publication number
- CN112952834B CN112952834B CN202110332022.8A CN202110332022A CN112952834B CN 112952834 B CN112952834 B CN 112952834B CN 202110332022 A CN202110332022 A CN 202110332022A CN 112952834 B CN112952834 B CN 112952834B
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- Prior art keywords
- filter
- cabinet body
- base
- fixed connection
- filter cabinet
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000006835 compression Effects 0.000 claims abstract description 42
- 238000007906 compression Methods 0.000 claims abstract description 42
- 230000007306 turnover Effects 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 13
- 230000035939 shock Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
Abstract
The invention discloses a damping device for an APF active power filter, relates to the technical field of APF active power filters, and aims to solve the problem that the conventional damping device for the APF active power filter cannot rotate and is extruded at a fixed point for a long time, so that inclination is easy to occur. The filter cabinet is characterized in that a cabinet door mechanism is arranged at the front end of the filter cabinet body, the cabinet door mechanism is rotationally connected with the filter cabinet body, an upper base is arranged at the lower end of the filter cabinet body, an air bag is arranged at the lower end of the upper base, a lower base is arranged at the lower end of the air bag, a partition plate is arranged inside the air bag, a fixed column is arranged at the upper end of the partition plate, a rotary groove is formed in the surface of the partition plate, a top plate is arranged inside the rotary groove, a motor mechanism is arranged at the upper end of the top plate, a compression spring is arranged at the lower end of the top plate, a bearing is arranged below the compression spring, a placing cavity is formed in the filter cabinet body, and a filter main body is arranged inside the placing cavity.
Description
Technical Field
The invention relates to the technical field of APF active power filters, in particular to a damping device for an APF active power filter.
Background
The active power filter is a novel power electronic device for dynamically restraining harmonic waves and compensating reactive power, can carry out quick tracking compensation on harmonic waves with different sizes and frequencies, is called active, and is characterized in that compared with a passive LC filter, the APF can only passively absorb harmonic waves with fixed frequencies and sizes, the APF can control and actively output the magnitude, frequency and phase of the current through sampling load current and separating each harmonic wave from reactive power, and quick response is carried out, corresponding current in a load is counteracted, dynamic tracking compensation is realized, and the harmonic waves and reactive power and unbalance can be compensated.
However, the existing APF active power filter damping device cannot rotate and is extruded at fixed points for a long time, so that inclination is easy to occur; therefore, the existing requirements are not met, and for this reason we propose a damping device for an APF active power filter.
Disclosure of Invention
The invention aims to provide a damping device for an APF active power filter, which solves the problem that the conventional damping device for the APF active power filter, which is proposed in the background art, cannot rotate and is extruded at fixed points for a long time, so that inclination is easy to occur.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a damping device for APF active power filter, includes the filter cabinet body, the front end of the filter cabinet body is provided with cabinet door mechanism, and cabinet door mechanism and filter cabinet body rotate to be connected, the lower extreme of the filter cabinet body is provided with the base, the lower extreme of going up the base is provided with the gasbag, the lower extreme of gasbag is provided with the lower base, the inside of gasbag is provided with the baffle, the upper end of baffle is provided with the fixed column, the surface of baffle is provided with the change groove, the inside of change groove is provided with the roof, the upper end of roof is provided with motor mechanism, the lower extreme of roof is provided with compression spring, compression spring's below is provided with the bearing, the inside of the filter cabinet body is provided with places the chamber, the inside of placing the chamber is provided with the filter main part.
Preferably, the baffle passes through fixed column and last base fixed connection, the fixed column is provided with two, be provided with the spliced pole between fixed column and the motor mechanism, and equal fixed connection of spliced pole and fixed column and motor mechanism, motor mechanism rotates with the roof to be connected, and compression spring and roof fixed connection, compression spring is provided with four, change groove and baffle structure as an organic whole.
Preferably, the lower extreme of compression spring is provided with the bottom plate, and compression spring and bottom plate) fixed connection, the bottom plate rotates with the bearing to be connected, and bearing and lower base fixed connection, compression spring's inside is provided with the attenuator, and attenuator and bottom plate fixed connection, the attenuator is provided with four, the upper end of going up the base is provided with spacing post.
Preferably, the spacing post is provided with four with last base fixed connection, the upper surface of going up the base is provided with the slipmat, and slipmat and last base fixed connection, the lower surface of the filter cabinet body is provided with the spacing groove, and spacing groove and filter cabinet body structure as an organic whole, go up the base and pass through spacing post and spacing groove sliding connection, and the spacing groove is provided with four, the lower extreme of lower base is provided with the bottom apron.
Preferably, the gasbag is all fixed connection with last base and lower base, the front end of gasbag is provided with business turn over gas port, and business turn over gas port and gasbag fixed connection, the front end and the rear end of going up the base all are provided with the stationary blade, and the stationary blade is provided with four, the one end of stationary blade is provided with first bolt, and the stationary blade passes through first bolt and the filter cabinet body threaded connection, the other end of stationary blade is provided with the knob, and knob and stationary blade threaded connection, the filter cabinet body is detachable connection through stationary blade and last base.
Preferably, the top of the filter cabinet body is provided with the shield, one side of shield is provided with the mount, and mount and shield fixed connection, the one end of mount is provided with the second bolt, and the mount passes through second bolt and filter cabinet body threaded connection, the upper surface of the filter cabinet body is provided with first heat dissipation groove, and first heat dissipation groove and filter cabinet body structure as an organic whole, the side surface of the filter cabinet body is provided with the second heat dissipation groove, and second heat dissipation groove and filter cabinet body structure as an organic whole, first heat dissipation groove and second heat dissipation groove all are provided with a plurality of, place chamber and filter cabinet body structure as an organic whole, the filter main part is detachable through placing chamber and filter cabinet body and is connected.
Preferably, the outside of bottom apron is provided with the limiting plate, and the limiting plate with bottom apron fixed connection, the lower surface of lower base is provided with the empty slot, empty slot and lower base structure as an organic whole, the inner wall of empty slot is provided with the recess, and recess and empty slot structure as an organic whole, recess and limiting plate all are provided with four, the upper end of limiting plate is provided with the third bolt, and the limiting plate passes through third bolt and lower base threaded connection, the lower surface of bottom apron is provided with anti-skidding line, and anti-skidding line and bottom apron structure as an organic whole.
Preferably, a door lock mechanism is arranged on one side of the cabinet door mechanism, the door lock mechanism is fixedly connected with the cabinet door mechanism, a frame is arranged inside the cabinet door mechanism, the frame is fixedly connected with the cabinet door mechanism, vacuum glass is arranged on the inner wall of the frame, and the vacuum glass is fixedly connected with the frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the top plate is arranged in the partition plate, the compression spring and the damper are arranged between the top plate and the bottom plate, the motor mechanism is arranged at the upper end of the top plate, the bearing is arranged at the lower end of the bottom plate, the top plate is driven to rotate through the motor mechanism and is matched with the bearing to be rotationally connected with the bottom plate, so that the compression spring and the damper rotate along with the top plate and the bottom plate to perform position exchange, and compared with a fixed position, the position can be adjusted for a long time, the inclination caused by long-time stress of one point is avoided, the stability of the compression spring is improved, the service life of the compression spring is prolonged, and the flexibility of the compression spring is improved.
2. Through setting up the gasbag between last base and lower base, set up business turn over mouth gas in the gasbag front end, aerify the gasbag inside through the external aerating device of business turn over mouth gas to improve the shock attenuation effect between base and the lower base, reduce shock attenuation burden for compression spring, realize supplementary shock attenuation, thereby improve compression spring's life, also can improve the stability of the filter cabinet body, reduce the possibility of the slope of the filter cabinet body.
3. Through setting up spacing post in last base upper end, set up the spacing groove at the filter cabinet body lower surface, spacing post and spacing groove all set up four, spacing post inserts the spacing inslot to improve the stability of going up base and filter cabinet body coupling, prevent the skew, the external stationary blade of rethread relies on first bolt and knob and filter cabinet body and last base threaded connection, further improves the stability of going up base and filter cabinet body coupling, also the one end of being connected with last base of stationary blade of convenient to detach through the knob, improves the convenience.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper surface structure of the upper base of the present invention;
FIG. 3 is a schematic view showing the internal structure of an airbag according to the present invention;
FIG. 4 is a schematic view of the upper surface structure of the separator according to the present invention;
FIG. 5 is a schematic view of the lower surface structure of the lower base of the present invention;
in the figure: 1. a filter cabinet; 2. a cabinet door mechanism; 3. a door lock mechanism; 4. a frame; 5. vacuum glass; 6. an upper base; 7. an air bag; 8. a lower base; 9. an air inlet and outlet; 10. a fixing piece; 11. a knob; 12. a first bolt; 13. a dust cover; 14. a fixing frame; 15. a second bolt; 16. a first heat sink; 17. a second heat sink; 18. a placement cavity; 19. a filter body; 20. a limit column; 21. an anti-slip pad; 22. a limit groove; 23. a partition plate; 24. fixing the column; 25. a connecting column; 26. a motor mechanism; 27. a compression spring; 28. a damper; 29. a bearing; 30. a bottom plate; 31. a rotary groove; 32. a top plate; 33. a bottom cover plate; 34. a hollow groove; 35. a groove; 36. a limiting plate; 37. a third bolt; 38. and (5) anti-skid lines.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present invention is provided: the utility model provides a damping device for APF active power filter, including the filter cabinet body 1, the front end of filter cabinet body 1 is provided with cabinet door mechanism 2, and cabinet door mechanism 2 rotates with filter cabinet body 1 to be connected, the lower extreme of filter cabinet body 1 is provided with base 6, the lower extreme of going up base 6 is provided with gasbag 7, the lower extreme of gasbag 7 is provided with base 8 down, the inside of gasbag 7 is provided with baffle 23, the upper end of baffle 23 is provided with fixed column 24, the surface of baffle 23 is provided with rotary groove 31, the inside of rotary groove 31 is provided with roof 32, the upper end of roof 32 is provided with motor mechanism 26, the lower extreme of roof 32 is provided with compression spring 27, compression spring 27's below is provided with bearing 29, the inside of filter cabinet body 1 is provided with places the chamber 18, the inside of placing the chamber 18 is provided with filter main part 19.
Further, baffle 23 passes through fixed column 24 and goes up base 6 fixed connection, and fixed column 24 is provided with two, is provided with spliced pole 25 between fixed column 24 and the motor mechanism 26, and the equal fixed connection of spliced pole 25 and fixed column 24 and motor mechanism 26, and motor mechanism 26 rotates with roof 32 to be connected, and compression spring 27 and roof 32 fixed connection, compression spring 27 is provided with four, and change groove 31 and baffle 23 structure as an organic whole realizes compression spring 27 position change, avoids a point atress to cause the slope for a long time, improves its stability and compression spring 27's life, improves its flexibility.
Further, the lower extreme of compression spring 27 is provided with bottom plate 30, and compression spring 27 and bottom plate 30 fixed connection, bottom plate 30 and bearing 29 rotate to be connected, and bearing 29 and lower base 8 fixed connection, and the inside of compression spring 27 is provided with attenuator 28, and attenuator 28 and bottom plate 30 fixed connection, and attenuator 28 is provided with four, and the upper end of going up base 6 is provided with spacing post 20, is convenient for compression spring 27 to rotate through bearing 29.
Further, spacing post 20 and last base 6 fixed connection, and spacing post 20 is provided with four, the upper surface of going up base 6 is provided with slipmat 21, and slipmat 21 and last base 6 fixed connection, the lower surface of filter cabinet 1 is provided with spacing groove 22, and spacing groove 22 and filter cabinet 1 structure as an organic whole, go up base 6 through spacing post 20 and spacing groove 22 sliding connection, and spacing groove 22 is provided with four, the lower extreme of lower base 8 is provided with bottom apron 33, the stability of going up base 6 and filter cabinet 1 connection is improved.
Further, the gasbag 7 is all fixed connection with last base 6 and lower base 8, the front end of gasbag 7 is provided with business turn over gas port 9, and business turn over gas port 9 and gasbag 7 fixed connection, the front end and the rear end of going up base 6 all are provided with stationary blade 10, and stationary blade 10 is provided with four, the one end of stationary blade 10 is provided with first bolt 12, and stationary blade 10 passes through first bolt 12 and filter cabinet 1 threaded connection, the other end of stationary blade 10 is provided with knob 11, and knob 11 and stationary blade 10 threaded connection, filter cabinet 1 is detachable connection through stationary blade 10 and last base 6, utilize business turn over gas port 9 external aerating device to aerify the gasbag 7 inside, gasbag 7 reduces shock attenuation burden for compression spring 27, realize supplementary shock attenuation, thereby improve compression spring 27's life, also can improve filter cabinet 1's stability, filter cabinet 1 inclined possibility.
Further, the top of filter cabinet 1 is provided with shield 13, one side of shield 13 is provided with mount 14, and mount 14 and shield 13 fixed connection, the one end of mount 14 is provided with second bolt 15, and mount 14 passes through second bolt 15 and filter cabinet 1 threaded connection, the upper surface of filter cabinet 1 is provided with first heat dissipation groove 16, and first heat dissipation groove 16 and filter cabinet 1 are integrated into one piece, the side surface of filter cabinet 1 is provided with second heat dissipation groove 17, and second heat dissipation groove 17 and filter cabinet 1 are integrated into one piece, first heat dissipation groove 16 and second heat dissipation groove 17 all are provided with a plurality of, place chamber 18 and filter cabinet 1 are integrated into one piece, filter main body 19 is detachably connected through placing chamber 18 and filter cabinet 1, shelter from for first heat dissipation groove 16 through shield 13, improve the dust proofness of filter cabinet 1.
Further, the outside of bottom apron 33 is provided with limiting plate 36, and limiting plate 36 and bottom apron 33 fixed connection, the lower surface of lower base 8 is provided with empty slot 34, empty slot 34 and lower base 8 structure as an organic whole, the inner wall of empty slot 34 is provided with recess 35, and recess 35 and empty slot 34 structure as an organic whole, recess 35 and limiting plate 36 all are provided with four, the upper end of limiting plate 36 is provided with third bolt 37, and limiting plate 36 passes through third bolt 37 and lower base 8 threaded connection, the lower surface of bottom apron 33 is provided with anti-skidding line 38, and anti-skidding line 38 and bottom apron 33 structure as an organic whole, be convenient for later stage take out compression spring 27 and bearing 29, improve the convenience of later stage maintenance and change, utilize third bolt 37 also be convenient for fix.
Further, one side of cabinet door mechanism 2 is provided with lock mechanism 3, and lock mechanism 3 and cabinet door mechanism 2 fixed connection, and the inside of cabinet door mechanism 2 is provided with frame 4, and frame 4 and cabinet door mechanism 2 fixed connection, and the inner wall of frame 4 is provided with vacuum glass 5, and vacuum glass 5 and frame 4 fixed connection, is convenient for personnel see the inside condition of filter cabinet body 1 from cabinet door mechanism 2 outside through vacuum glass 5, improves the convenience.
Working principle: when the filter cabinet is used, the upper base 6 is inserted into the limit groove 22 by means of the limit post 20, the first bolt 12 at one end of the fixing piece 10 is in threaded connection with the filter cabinet body 1, the other end of the fixing piece is in threaded connection with the upper base 6 by means of the knob 11, after the fixing is finished, the fixing is carried out by means of the compression spring 27 and the damper 28, the top plate 32 is driven to rotate by means of the motor mechanism 26 after a period of time, and the compression spring 27 is fixedly connected with the top plate 32 and the bottom plate 30, so that the bottom plate 30 is rotated by means of the bearing 29, the position is changed, the inclination caused by long-time stress of one point is avoided, the stability of the fixing piece is improved, the service life of the compression spring 27 is prolonged, the flexibility of the fixing piece is improved, the air bag 7 is inflated by means of the air inlet and outlet 9, the damping effect between the upper base 6 and the lower base 8 is improved, the damping load is reduced for the compression spring 27, auxiliary damping is realized, the service life of the compression spring 27 is prolonged, the stability of the filter cabinet body 1 is also improved, and the inclination possibility of the filter cabinet body 1 is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Damping device for APF active power filter, including filter cabinet (1), its characterized in that: the front end of the filter cabinet body (1) is provided with a cabinet door mechanism (2), the cabinet door mechanism (2) is rotationally connected with the filter cabinet body (1), the lower end of the filter cabinet body (1) is provided with an upper base (6), the lower end of the upper base (6) is provided with an air bag (7), the lower end of the air bag (7) is provided with a lower base (8), the inside of the air bag (7) is provided with a baffle plate (23), the upper end of the baffle plate (23) is provided with a fixed column (24), the surface of the baffle plate (23) is provided with a rotary groove (31), the inside of the rotary groove (31) is provided with a top plate (32), the upper end of the top plate (32) is provided with a motor mechanism (26), the lower end of the top plate (32) is provided with a compression spring (27), the lower side of the compression spring (27) is provided with a bearing (29), the inside of the filter cabinet body (1) is provided with a placing cavity (18), the inside of the placing cavity (18) is provided with a filter main body (19), the surface of the baffle plate (23) is provided with a rotary groove (31), the upper motor mechanism (24) is connected with the fixed column (24) through the upper base (24), and spliced pole (25) and fixed column (24) and motor mechanism (26) are all fixed connection, motor mechanism (26) rotate with roof (32) to be connected, and compression spring (27) and roof (32) fixed connection, compression spring (27) are provided with four, change groove (31) and baffle (23) structure as an organic whole, the lower extreme of compression spring (27) is provided with bottom plate (30), and compression spring (27) and bottom plate (30) fixed connection, bottom plate (30) rotate with bearing (29) to be connected, and bearing (29) and lower base (8) fixed connection, the inside of compression spring (27) is provided with attenuator (28), and attenuator (28) and bottom plate (30) fixed connection, attenuator (28) are provided with four, the upper end of last base (6) is provided with spacing post (20).
2. The damping device for an APF active power filter according to claim 1, wherein: spacing post (20) and last base (6) fixed connection, and spacing post (20) are provided with four, the upper surface of going up base (6) is provided with slipmat (21), and slipmat (21) and last base (6) fixed connection, the lower surface of filter cabinet body (1) is provided with spacing groove (22), and spacing groove (22) and filter cabinet body (1) are integrated into one piece structure, go up base (6) through spacing post (20) and spacing groove (22) sliding connection, and spacing groove (22) are provided with four, the lower extreme of lower base (8) is provided with bottom apron (33).
3. The damping device for an APF active power filter according to claim 1, wherein: the utility model discloses a filter cabinet, including upper base (6), filter cabinet body (1), gasbag (7), fixed plate (10), knob (11) and fixed plate (10) are provided with front end and the rear end of upper base (6), gasbag (7) and upper base (6) all fixed connection, the front end of gasbag (7) and upper base (8) all fixed connection, the front end of gasbag (7) is provided with business turn over gas port (9), and business turn over gas port (9) and gasbag (7) fixed connection, front end and the rear end of upper base (6) all are provided with stationary blade (10), and stationary blade (10) are provided with four, the one end of stationary blade (10) is provided with first bolt (12), and stationary blade (10) pass through first bolt (12) and filter cabinet body (1) threaded connection, the other end of stationary blade (10) is provided with knob (11) and stationary blade (10).
4. The damping device for an APF active power filter according to claim 1, wherein: the filter cabinet body (1) is provided with shield (13) in the top, one side of shield (13) is provided with mount (14), and mount (14) and shield (13) fixed connection, the one end of mount (14) is provided with second bolt (15), and mount (14) are through second bolt (15) and filter cabinet body (1) threaded connection, the upper surface of filter cabinet body (1) is provided with first radiating groove (16), and first radiating groove (16) and filter cabinet body (1) are integrated into one piece, the side surface of filter cabinet body (1) is provided with second radiating groove (17), and second radiating groove (17) and filter cabinet body (1) are integrated into one piece, first radiating groove (16) and second radiating groove (17) all are provided with a plurality of, place chamber (18) and filter cabinet body (1) are integrated into one piece, filter main part (19) are dismantled for being connected through placing chamber (18) and filter cabinet body (1).
5. The vibration damping device for an APF active power filter according to claim 2, wherein: the bottom apron (33) is provided with limiting plate (36) in the outside, and limiting plate (36) with bottom apron (33) fixed connection, the lower surface of lower base (8) is provided with empty slot (34), and empty slot (34) and lower base (8) structure as an organic whole, the inner wall of empty slot (34) is provided with recess (35), and recess (35) and empty slot (34) structure as an organic whole, recess (35) all are provided with four with limiting plate (36), the upper end of limiting plate (36) is provided with third bolt (37), and limiting plate (36) pass through third bolt (37) and lower base (8) threaded connection, the lower surface of bottom apron (33) is provided with anti-skidding line (38), and anti-skidding line (38) and bottom apron (33) structure as an organic whole.
6. The damping device for an APF active power filter according to claim 1, wherein: one side of cabinet door mechanism (2) is provided with lock mechanism (3), and lock mechanism (3) and cabinet door mechanism (2) fixed connection, the inside of cabinet door mechanism (2) is provided with frame (4), and frame (4) and cabinet door mechanism (2) fixed connection, the inner wall of frame (4) is provided with vacuum glass (5), and vacuum glass (5) and frame (4) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332022.8A CN112952834B (en) | 2021-03-29 | 2021-03-29 | Damping device for APF active power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332022.8A CN112952834B (en) | 2021-03-29 | 2021-03-29 | Damping device for APF active power filter |
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| Publication Number | Publication Date |
|---|---|
| CN112952834A CN112952834A (en) | 2021-06-11 |
| CN112952834B true CN112952834B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110332022.8A Active CN112952834B (en) | 2021-03-29 | 2021-03-29 | Damping device for APF active power filter |
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