CN210744556U - Active power filter APF structure - Google Patents
Active power filter APF structure Download PDFInfo
- Publication number
- CN210744556U CN210744556U CN201922331317.4U CN201922331317U CN210744556U CN 210744556 U CN210744556 U CN 210744556U CN 201922331317 U CN201922331317 U CN 201922331317U CN 210744556 U CN210744556 U CN 210744556U
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- Prior art keywords
- fixedly connected
- active power
- power filter
- box body
- filter apf
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- 238000009434 installation Methods 0.000 claims abstract description 36
- 238000009423 ventilation Methods 0.000 claims description 25
- 239000000428 dust Substances 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 206010010904 Convulsion Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model discloses an active power filter APF structure relates to power quality treatment equipment technical field, specifically is an active power filter APF structure, including outside box, there is insulating connecting block one side of outside box through connecting screw threaded connection, there is the mounting panel one side of insulating connecting block through connecting screw threaded connection, one side of mounting panel is provided with the installation breach. This active power filter APF structure, setting through insulating connecting block, make this wave filter install the switch board possess after inside can not take place electrically conductive phenomenon's effect with the switch board, cooperation setting through mounting panel and installation breach, can be fixed the one side to outside box through connecting screw with insulating connecting block and mounting panel at the in-process of using, then outside box can be through the installation breach of mounting panel one side with its inside of installing different model electricity cabinets, thereby played and installed the effect in different model switch boards with this wave filter.
Description
Technical Field
The utility model relates to an electric energy quality treatment equipment technical field specifically is an active power filter APF structure.
Background
The active power filter comprehensively solves the problems of power quality such as harmonic wave, reactive power and unbalanced three-phase load of a power grid, the APF power filter is connected in parallel in the power grid, detects the harmonic wave in the power grid in real time, generates reverse compensation current through a converter, dynamically filters the harmonic wave in the power grid, is not influenced by the structure and the type of the power grid when in operation, cannot resonate with a system, perfectly realizes the harmonic wave treatment of various loads, can also realize dynamic reactive power compensation, controls the switching of a capacitor and is used for improving the power factor of the power grid, adopts a modular design, has common module capacity of 50A, 75A, 100A and the like, and is mainly characterized by APF; 1. the device has multiple compensation modes (harmonic wave, reactive power, three-phase unbalance and capacitor switching control), can perform various compensations simultaneously, can set the proportion of harmonic wave, reactive power and three-phase unbalance compensation capacity, and comprehensively solves the problem of electric energy quality of a low-voltage distribution side; 2. the device can filter 2-50 harmonic waves at the same time, and can also filter specific harmonic waves within 2-50 times according to the setting; 3. the device can dynamically and smoothly compensate inductive and capacitive reactive power, and the power factor of the compensated system is more than 0.99; 4. the unbalance degree of the three-phase active load current of the system after the internal compensation of the rated capacity is less than 5 percent; 5. the response speed is high, the controllability is high, the automatic current limiting function is realized, and the overload can not occur; 6. whether harmonic filtering, reactive compensation or three-phase unbalanced compensation is adopted, the device can automatically compensate according to the harmonic current, the reactive power and the three-phase unbalanced load of the system, and the problem of overcompensation is avoided; 7. the modular design has a plurality of installation modes such as a rack type installation mode, a wall-mounted installation mode and the like, and can realize multi-machine parallel operation, thereby meeting the actual requirements to the maximum extent; 8. the protection circuit has multiple protection functions, such as overcurrent, overvoltage, overtemperature, phase sequence error and phase loss; 9. RS485 and CAN standard communication interfaces are configured, information exchange with other unit equipment CAN be realized, and a wired/wireless communication module CAN be configured to realize remote data monitoring.
The active power filter APF is required to be installed in an electric cabinet matched with the active power filter APF in actual use, and due to the fact that the installation holes formed in the active power filter APF are fixed, the active power filter APF can only be installed in the electric cabinet matched with the active power filter APF, installation personnel can cause great inconvenience when the active power filter APF is installed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an active power filter APF structure has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an active power filter APF structure, includes outside box, there is insulating connecting block one side of outside box through connecting screw threaded connection, there is the mounting panel one side of insulating connecting block through connecting screw threaded connection, one side of mounting panel is provided with the installation breach, the little air exhauster of inner wall fixedly connected with of outside box, the quantity of little air exhauster is a plurality of, one side fixedly connected with junction tube of little air exhauster, the inner wall fixedly connected with dust separation mounting ring of junction tube, the little dust separation net of one side fixedly connected with of dust separation mounting ring, the outer fixed surface of junction tube is connected with the clamping ring piece, there is flexible draft tube one side of clamping ring piece through bolt threaded connection, one side fixedly connected with electricity cabinet of flexible draft tube.
Optionally, one side of the electric cabinet is provided with a ventilation opening, and the fixed connection of one side of the electric cabinet is provided with a protection ventilation net.
Optionally, one side of the external box body is fixedly connected with a dust-proof ventilation net, and the number of the dust-proof ventilation nets is several.
Optionally, one side fixedly connected with handle installation piece of outside box, one side of handle installation piece has the handle through dwang swing joint.
Optionally, one side of the external box body close to the handle is fixedly connected with a display installation block, one side of the display installation block is provided with a liquid crystal display screen, and one side of the display installation block is provided with a control button.
Optionally, various interface connection blocks are fixedly connected to one side of the external box body, and a wire access block is fixedly connected to one side of the external box body close to the various interface connection blocks.
(III) advantageous effects
The utility model provides an active power filter APF structure possesses following beneficial effect:
1. this active power filter APF structure, setting through insulating connecting block, make this wave filter install the switch board possess after inside can not take place electrically conductive phenomenon's effect with the switch board, cooperation setting through mounting panel and installation breach, can be fixed the one side to outside box through connecting screw with insulating connecting block and mounting panel at the in-process of using, then outside box can be through the installation breach of mounting panel one side with its inside of installing different model electricity cabinets, thereby played and installed the effect in different model switch boards with this wave filter, reached and made this wave filter can install the inside purpose of different model electricity cabinets.
2. This active power filter APF structure through the setting of dust proof ventilation net, makes this wave filter possess the effect to its inside air supply when little air exhauster convulsions, sets up through the cooperation of flexible draft tube and junction pipe, and the in-process of using little air exhauster can be with the inside hot-air of outside box through the outside that flexible draft tube transmitted the hot-air to the electricity cabinet to play the effect that reduces the inside temperature of outside box, reached the purpose of effective cooling.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of various interface connection blocks of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic structural view of the telescopic ventilation tube of the present invention;
fig. 5 is a schematic view of the handle structure of the present invention.
In the figure: 1. an outer case; 2. a connecting screw; 3. an insulating connecting block; 4. mounting a plate; 5. installing a notch; 6. a small exhaust fan; 7. a short connecting pipe; 8. a dust-proof mounting ring; 9. a small dust-proof net; 10. connecting the ring blocks; 11. a bolt; 12. a telescopic ventilation tube; 13. an electric cabinet; 14. protecting the ventilation net; 15. a dust-proof ventilation net; 16. a handle mounting block; 17. rotating the rod; 18. a handle; 19. a liquid crystal display screen; 20. various interface connecting blocks; 21. the wire is connected to the 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.
Referring to fig. 1 to 5, the present invention provides a technical solution: an APF structure of an active power filter comprises an outer box body 1, one side of the outer box body 1 is in threaded connection with an insulation connecting block 3 through a connecting screw 2, the filter has the effect of avoiding the electric conduction phenomenon with a power distribution cabinet after being installed in the power distribution cabinet through the arrangement of the insulation connecting block 3, one side of the insulation connecting block 3 is in threaded connection with a mounting plate 4 through the connecting screw 2, one side of the mounting plate 4 is provided with a mounting notch 5, the insulation connecting block 3 and the mounting plate 4 can be fixed to one side of the outer box body 1 through the connecting screw 2 in the using process through the matching arrangement of the mounting plate 4 and the mounting notch 5, then the outer box body 1 can be installed in the power distribution cabinets of different models through the mounting notch 5 on one side of the mounting plate 4, and the filter can be installed in the power distribution cabinets, the filter can be installed inside electric cabinets of different models, the inner wall of the outer box body 1 is fixedly connected with a plurality of small exhaust fans 6, one side of each small exhaust fan 6 is fixedly connected with a connecting short pipe 7, the inner wall of each connecting short pipe 7 is fixedly connected with a dust-isolating installation ring 8, one side of each dust-isolating installation ring 8 is fixedly connected with a small dust-isolating net 9, the outer surface of each connecting short pipe 7 is fixedly connected with a connecting ring block 10, one side of each connecting ring block 10 is in threaded connection with a telescopic ventilation tube 12 through a bolt 11, one side of each telescopic ventilation tube 12 is fixedly connected with an electric cabinet 13, and through the matching arrangement of the telescopic ventilation tube 12 and the connecting short pipes 7, the small exhaust fans 6 in the use process can transmit hot air inside the outer box body 1 to the outside of the electric cabinet 13 through the telescopic ventilation tube 12, so that the effect of reducing the internal temperature of the outer box body 1 is, the purpose of effective cooling is achieved, one side of the electric cabinet 13 is provided with a ventilation opening, one side of the electric cabinet 13 is fixedly connected with a protective ventilation net 14, one side of the outer box body 1 is fixedly connected with a dust-proof ventilation net 15, through the setting of dust separation ventilation net 15, make this wave filter possess the effect to its inside air supply when little air exhauster 6 convulsions, the quantity of dust separation ventilation net 15 is a plurality of, one side fixedly connected with handle installation piece 16 of outside box 1, there is handle 18 one side of handle installation piece 16 through dwang 17 swing joint, one side fixedly connected with that outside box 1 is close to handle 18 shows the installation piece, one side that shows the installation piece is provided with liquid crystal display 19, one side that shows the installation piece is provided with control button, the various interface connection piece 20 of one side fixedly connected with of outside box 1, one side fixedly connected with wire that outside box 1 is close to various interface connection piece 20 inserts piece 21.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
During the use, with mounting panel 4 through connecting screw 2 and the fixed one side to outside box 1 of insulating connecting block 3, then install the inside of electric cabinet 13 with this wave filter through the installation breach 5 of mounting panel 4 one side, because the setting up of installation breach 5 makes the effect that the cabinet internal portion of different models can be installed to this wave filter, little air exhauster 6 can be through flexible draft tube 12 with the inside hot-air direct transmission of outside box 1 to the outside of electric cabinet 13, handle 18 can be in dwang 17 and handle installation piece 16 effect down the activity, thereby make it need not use with its activity to the position that does not need.
The utility model discloses a theory of operation and beneficial effect: the APF structure of the active power filter has the advantages that the filter has the effect of avoiding conducting phenomena with a power distribution cabinet after being installed inside the power distribution cabinet through the arrangement of the insulation connecting block 3, the insulation connecting block 3 and the installation plate 4 can be fixed to one side of the external box body 1 through the connecting screw 2 in the use process through the matching arrangement of the installation plate 4 and the installation gap 5, then the external box body 1 can be installed inside the power distribution cabinets of different models through the installation gap 5 on one side of the installation plate 4, so that the filter is installed in the power distribution cabinets of different models, the purpose that the filter can be installed inside the power distribution cabinets of different models is achieved, the filter has the effect of supplying air to the interior of the filter when a small exhaust fan 6 exhausts air through the arrangement of the dust-proof ventilation net 15, and the filter has the effect of supplying air to the interior of the filter when the small exhaust fan 6, in the using process, the small exhaust fan 6 can transmit hot air inside the external box body 1 to the outside of the electric cabinet 13 through the telescopic ventilation barrel 12, so that the effect of reducing the internal temperature of the external box body 1 is achieved, and the purpose of effectively reducing the temperature is achieved.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An active power filter APF structure, includes outside box (1), its characterized in that: one side of the external box body (1) is in threaded connection with an insulating connecting block (3) through a connecting screw (2), one side of the insulating connecting block (3) is in threaded connection with a mounting plate (4) through a connecting screw (2), one side of the mounting plate (4) is provided with a mounting notch (5), the inner wall of the external box body (1) is fixedly connected with a small air exhauster (6), the number of the small air exhausters (6) is a plurality of, one side of the small air exhauster (6) is fixedly connected with a connecting short pipe (7), the inner wall of the connecting short pipe (7) is fixedly connected with a dust isolating mounting ring (8), one side of the dust isolating mounting ring (8) is fixedly connected with a small dust isolating net (9), the outer surface of the connecting short pipe (7) is fixedly connected with a connecting ring block (10), one side of the connecting ring block (10) is in threaded connection with a telescopic ventilating, one side of the telescopic ventilation duct (12) is fixedly connected with an electric cabinet (13).
2. The active power filter APF structure of claim 1, wherein: one side of the electric cabinet (13) is provided with a ventilation opening, and a protective ventilation net (14) is fixedly connected to one side of the electric cabinet (13).
3. The active power filter APF structure of claim 1, wherein: one side of the external box body (1) is fixedly connected with a dust-proof ventilation net (15), and the number of the dust-proof ventilation nets (15) is a plurality.
4. The active power filter APF structure of claim 1, wherein: one side fixedly connected with handle installation piece (16) of outside box (1), one side of handle installation piece (16) has handle (18) through dwang (17) swing joint.
5. The active power filter APF structure of claim 1, wherein: one side fixedly connected with that outside box (1) is close to handle (18) shows the installation piece, one side that shows the installation piece is provided with liquid crystal display (19), one side that shows the installation piece is provided with control button.
6. The active power filter APF structure of claim 1, wherein: various interface connecting blocks (20) are fixedly connected to one side of the external box body (1), and a wire access block (21) is fixedly connected to one side, close to the various interface connecting blocks (20), of the external box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331317.4U CN210744556U (en) | 2019-12-23 | 2019-12-23 | Active power filter APF structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331317.4U CN210744556U (en) | 2019-12-23 | 2019-12-23 | Active power filter APF structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210744556U true CN210744556U (en) | 2020-06-12 |
Family
ID=70990400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922331317.4U Expired - Fee Related CN210744556U (en) | 2019-12-23 | 2019-12-23 | Active power filter APF structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210744556U (en) |
-
2019
- 2019-12-23 CN CN201922331317.4U patent/CN210744556U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |