CN115360712A - MAPF active filter device capable of detecting harmonic current in real time - Google Patents

MAPF active filter device capable of detecting harmonic current in real time Download PDF

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Publication number
CN115360712A
CN115360712A CN202211133068.8A CN202211133068A CN115360712A CN 115360712 A CN115360712 A CN 115360712A CN 202211133068 A CN202211133068 A CN 202211133068A CN 115360712 A CN115360712 A CN 115360712A
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CN
China
Prior art keywords
mapf
active filter
harmonic
real time
casing
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Withdrawn
Application number
CN202211133068.8A
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Chinese (zh)
Inventor
王国秀
石少敏
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Xiangyang Minda Automatic Control Technology Co ltd
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Xiangyang Minda Automatic Control Technology Co ltd
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Priority to CN202211133068.8A priority Critical patent/CN115360712A/en
Publication of CN115360712A publication Critical patent/CN115360712A/en
Withdrawn legal-status Critical Current

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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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • 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
    • Y02E40/40—Arrangements for reducing harmonics

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a MAPF active filter device capable of detecting harmonic current in real time, which comprises a shell, a display screen and a MAPF active filter, wherein the display screen is arranged on one side wall of the shell. The beneficial effects are that: the invention can enable the active filter device to detect and compare the harmonic value before inhibition and the harmonic value after inhibition in the use process through the design of the display screen, the front power harmonic measuring instrument, the rear power harmonic measuring instrument and the wireless transmission module, enables the working personnel to check the inhibition effect of the device on the harmonic current at any time and any place, improves the use function of the device, and enables the active filter device to adopt a semiconductor refrigeration structure through the design of the fan I, the semiconductor refrigeration sheet, the long heat dissipation plate and the short heat dissipation plate, so that the temperature reduction and heat dissipation effect of the device can be still ensured when the device is used in a high-temperature working environment, thereby ensuring the stable working state of the device.

Description

MAPF active filter device capable of detecting harmonic current in real time
Technical Field
The invention relates to the technical field of active filter devices, in particular to a MAPF active filter device capable of detecting harmonic current in real time.
Background
The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, can compensate harmonic waves with changed size and frequency and reactive power with changed size and frequency, is called as active, needs to provide a power supply as the name suggests, can overcome the defects of traditional harmonic wave inhibition and reactive power compensation methods such as an LC filter and the like, realizes dynamic tracking compensation, and can supplement both harmonic waves and reactive power.
At present, the existing active filter device cannot detect and compare the harmonic numerical value before and after the suppression thereof in the using process, so that a worker cannot check the suppression effect of the device on the harmonic current anytime and anywhere, the using function of the device is poor, meanwhile, the existing active filter device mostly adopts natural heat dissipation modes such as a heat dissipation window, and the like, so that when the device is used in a high-temperature working environment, the heat dissipation effect is poor, and the working state stability of the device cannot be ensured.
Disclosure of Invention
The present invention is directed to solve the above problems and to provide a MAPF active filter device capable of detecting harmonic current in real time.
The invention realizes the purpose through the following technical scheme:
the utility model provides a but active filter device of MAPF of real-time detection harmonic current, includes casing, display screen and MAPF active filter, install on a lateral wall of casing the display screen, the casing with be provided with extension board one on the corresponding lateral wall of display screen, one side of extension board one is provided with extension board two, install fan one in the extension board, install fan two in the extension board two, all be provided with the connecting cable on the both ends lateral wall of casing, the casing with the junction of connecting cable is provided with the slot, mid-mounting has in the casing MAPF active filter, leading electric power harmonic measuring apparatu is installed to one side of MAPF active filter, MAPF active filter with rearmounted electric power harmonic measuring apparatu is installed to the corresponding one side of leading electric power harmonic measuring apparatu, the battery is installed to MAPF active filter's opposite side, the semiconductor refrigeration piece is installed to one side of battery, it is long-shaped to install the heating panel on a lateral wall of semiconductor refrigeration piece, install short shape heating panel between the long-shaped heating panel, the control unit installs the wireless transmission module in the upper end, the control lamp unit installs one side of work pilot lamp unit the stabilizer blade, the lower extreme of two side of control lamp unit is installed to the casing, the lower extreme of maintenance lamp, the lower extreme is all installed to one side of the lower extreme of the casing.
Further, the shell is connected with the first support leg and the second support leg through bolts, and the first support leg and the second support leg are bonded with the non-slip mat.
Through adopting above-mentioned technical scheme, can ensure breaking away from ground of device, improve the radiating effect of device.
Further, the shell is connected with the display screen through a clamping groove, the shell is connected with the control unit through a screw, and the control unit is connected with the wireless transmission module through a screw.
By adopting the technical scheme, the working state of the device can be checked by the staff anytime and anywhere.
Furthermore, the shell with the work pilot lamp and overhaul the pilot lamp and all pass through the draw-in groove and connect.
By adopting the technical scheme, the current working state and the maintenance state of the device can be conveniently and quickly checked by workers.
Furthermore, the first extension plate and the second extension plate are both formed on the shell, the first extension plate is connected with the first fan through a clamping groove, and the second extension plate is connected with the second fan through a clamping groove.
By adopting the technical scheme, the first fan and the second fan can promote the heat dissipation effect of the semiconductor refrigeration sheet.
Furthermore, the shell is connected with the connecting cable in an inserting mode, the inserting groove is formed in the shell, and the connecting cable is connected with the front power harmonic measuring instrument and the rear power harmonic measuring instrument in an inserting mode.
By adopting the technical scheme, the device can be stably connected with an external circuit.
Further, the housing, the MAPF active filter, the front harmonic power measuring instrument, the rear harmonic power measuring instrument and the storage battery are all connected through screws.
By adopting the technical scheme, the working state of the device can be ensured to be stable.
Further, the shell is connected with the semiconductor refrigeration piece through a clamping groove, and the semiconductor refrigeration piece is connected with the long heat dissipation plate and the short heat dissipation plate through screws.
By adopting the technical scheme, the long heat dissipation plate and the short heat dissipation plate can ensure the heat dissipation effect of the semiconductor refrigeration piece.
Furthermore, the control unit is electrically connected with the wireless transmission module, the storage battery, the display screen and the semiconductor refrigeration sheet.
By adopting the technical scheme, the device can be conveniently and quickly controlled and managed by the staff.
Further, the storage battery is electrically connected with the MAPF active filter, the front electric power harmonic measuring instrument and the rear electric power harmonic measuring instrument.
By adopting the technical scheme, the circuit connection stability of the device can be ensured.
The specific working principle is as follows: when the device is used, a worker can sequentially switch on circuit current through the connecting cable, the front power harmonic measuring instrument, the MAPF active filter and the rear power harmonic measuring instrument make the MAPF active filter perform dynamic suppression operation on harmonic waves of the circuit current, the front power harmonic measuring instrument can perform harmonic measurement on the circuit current before harmonic suppression, the rear power harmonic measuring instrument can perform harmonic measurement on the circuit current after harmonic suppression, the display screen can show the numerical comparison between the circuit current before suppression and after suppression, the wireless transmission module can remotely transmit the numerical values before suppression and after suppression to the worker through wireless signals, so that the worker can remotely check the working state and the working effect of the device in real time, and can also remotely set the control unit, electrical components of the control unit device are subjected to on-off management, the semiconductor refrigeration sheet can perform refrigeration operation in the shell, the long heating plate and the short heating plate can guide heat dissipation generated by the operation of the semiconductor refrigeration sheet, the first fan and the second fan can drive surrounding air to flow, thereby promoting the working state of the long heating plate and the maintenance indicating lamp to ensure the maintenance operation of the semiconductor refrigeration sheet and the maintenance operation of the device.
The invention has the beneficial effects that:
1. by arranging the display screen, the front power harmonic measuring instrument, the rear power harmonic measuring instrument and the wireless transmission module, the active filter device can detect and compare a harmonic value before being inhibited and a harmonic value after being inhibited in the using process, so that a worker can check the inhibiting effect of the device on the harmonic current at any time and any place, and the using function of the device is improved;
2. through setting up fan one, semiconductor refrigeration piece, microscler heating panel and short shape heating panel, can make active filter device adopt semiconductor refrigeration structure, when making the device use in the operational environment of high temperature, still can ensure the cooling radiating effect of device to ensure the operating condition of device is stable.
Drawings
Fig. 1 is a schematic structural diagram of an MAPF active filter capable of detecting harmonic current in real time according to the present invention;
FIG. 2 is an enlarged view of the position A of the MAPF active filter device capable of detecting harmonic current in real time according to the present invention;
fig. 3 is a front sectional view of a MAPF active filter apparatus capable of detecting harmonic currents in real time according to the present invention;
fig. 4 is a right sectional view of a MAPF active filter apparatus capable of detecting harmonic currents in real time according to the present invention.
The reference numerals are illustrated below:
1. a housing; 2. a display screen; 3. a first extension plate; 4. a first fan; 5. connecting a cable; 6. a MAPF active filter; 7. a preposed power harmonic measuring instrument; 8. a rear power harmonic measuring instrument; 9. a storage battery; 10. a semiconductor refrigeration sheet; 11. a long heat dissipation plate; 12. a short heat dissipation plate; 13. a wireless transmission module; 14. a control unit; 15. a second extension plate; 16. a second fan; 17. a slot; 18. a first support leg; 19. a second support leg; 20. a non-slip mat; 21. a work indicator light; 22. and (5) an inspection indicator lamp.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, a MAPF active filter device capable of detecting harmonic current in real time includes a housing 1, a display screen 2 and a MAPF active filter 6, the display screen 2 is installed on a sidewall of the housing 1, a first extension plate 3 is installed on a sidewall of the housing 1 corresponding to the display screen 2, a second extension plate 15 is installed on one side of the first extension plate 3, a first fan 4 is installed in the first extension plate 3, a second fan 16 is installed in the second extension plate 15, connecting cables 5 are installed on sidewalls of two ends of the housing 1, a slot 17 is installed at a junction between the housing 1 and the connecting cable 5, the MAPF active filter 6 is installed in the middle of the housing 1, a front power harmonic measuring instrument 7 is installed on one side of the MAPF active filter 6, a rear power harmonic measuring instrument 8 is installed on one side corresponding to the front power harmonic wave 7, a storage battery 9 is installed on the other side of the MAPF active filter 6, a refrigerating sheet 10 is installed on one side of the storage battery 9, a refrigerating sheet 10 is installed on one side of the semiconductor sheet 10, a long-shaped lamp control unit 14 is installed on one side of the housing 1, a short-foot 14 capable of controlling lamp, a wireless lamp control unit 14 is installed on the housing 1, a short-indicating lamp 14, a short-side, a short-foot 14 is installed on the housing 14, a lamp control unit 14 capable of controlling lamp, and a wireless lamp control unit 14, a wireless lamp control unit 14 installed on the housing 1, a short-type anti-lamp control unit 14 capable of controlling lamp, and a wireless lamp, a lamp control unit capable of controlling lamp and a lamp, a wireless lamp control module 14 is installed on a lamp, the front power harmonic measuring instrument 7 can carry out harmonic measurement on circuit current before harmonic suppression, the rear power harmonic measuring instrument 7 can carry out harmonic measurement on circuit current after harmonic suppression, the display screen 2 can show that the circuit current is compared with the numerical value after suppression before suppression, the wireless transmission module 12 can remotely transmit the numerical value before suppression and after suppression to workers through wireless signals, the semiconductor refrigeration sheet 9 can carry out refrigeration operation in the shell, the long heating panel 10 and the short heating panel 11 can guide and disperse heat generated by the operation of the semiconductor refrigeration sheet 9, the first fan 4 and the second fan 16 can drive surrounding air to flow, so that the heat dissipation effects of the long heating panel 10 and the short heating panel 11 are promoted, and the working indicator lamp 21 and the maintenance indicator lamp 22 can show the current working state and maintenance state of the device.
In this embodiment, the housing 1 is connected to the first leg 18 and the second leg 19 by bolts, and the first leg 18 and the second leg 19 are bonded to the non-slip mat 20, so as to ensure stable structural connection of the device.
In this embodiment, the housing 1 is connected to the display screen 2 through a card slot, the housing 1 is connected to the control unit 14 through a screw, and the control unit 14 is connected to the wireless transmission module 13 through a screw, so that the device has a wireless remote data transmission function.
In this embodiment, the housing 1 is connected to the work indicator light 21 and the maintenance indicator light 22 through the clamping grooves, so that the current working state and maintenance state of the device can be displayed.
In this embodiment, the first extension plate 3 and the second extension plate 15 are both formed on the housing 1, the first extension plate 3 is connected with the first fan 4 through a clamping groove, the second extension plate 15 is connected with the second fan 16 through a clamping groove, and the first fan 4 and the second fan 16 can promote the heat dissipation effect of the semiconductor refrigeration sheet 10.
In this embodiment, the housing 1 is inserted into the connection cable 5, the insertion slot 17 is formed in the housing 1, the connection cable 5 is inserted into the front power harmonic measurement instrument 7 and the rear power harmonic measurement instrument 8, the housing 1 is connected to the MAPF active filter 6, the front power harmonic measurement instrument 7, the rear power harmonic measurement instrument 8 and the storage battery 9 through screws, so that the stable working state of the device can be ensured.
In this embodiment, the housing 1 is connected to the semiconductor refrigeration sheet 10 through a clamping groove, the semiconductor refrigeration sheet 10 is connected to the long heat dissipation plate 11 and the short heat dissipation plate 12 through screws, and the long heat dissipation plate 11 and the short heat dissipation plate 12 can guide and dissipate heat at the heating end of the semiconductor refrigeration sheet 10.
In this embodiment, the control unit 14 is electrically connected to the wireless transmission module 13, the storage battery 9, the display screen 2 and the semiconductor refrigeration sheet 10, so that the control and management of the device by the staff are convenient to connect.
In this embodiment, the storage battery 9 is electrically connected to the MAPF active filter 6, the front harmonic power measuring instrument 7, and the rear harmonic power measuring instrument 8, and the storage battery 9 has a power supply switch, so that power supply operations can be performed on the MAPF active filter 6, the front harmonic power measuring instrument 7, and the rear harmonic power measuring instrument 8 under the control of the control unit 14.
The specific working principle is as follows: when the device is used, a worker can sequentially connect a circuit current through the connecting cable 5 to the front power harmonic measuring instrument 7, the MAPF active filter 6 and the rear power harmonic measuring instrument 8, so that the MAPF active filter 6 can perform dynamic suppression operation on the harmonic of the circuit current, the front power harmonic measuring instrument 7 can perform harmonic measurement on the circuit current before harmonic suppression, the rear power harmonic measuring instrument 7 can perform harmonic measurement on the circuit current after harmonic suppression, the display screen 2 can show the numerical comparison between the circuit current before and after the suppression, the wireless transmission module 12 can remotely transmit the numerical values before and after the suppression to the worker through a wireless signal, so that the worker can remotely check the working state and the working effect of the device in real time, and can also set the control unit 14 remotely, the control unit 14 performs on-off management on the electrical components, the semiconductor refrigerating sheet 9 can perform refrigerating operation in the long shell 1, the heating panel 10 and the short-shaped heating panel 11 can guide the heat generated by the semiconductor sheet 9, the first heating sheet 4 and the second heating sheet 16 can guide the operation of the semiconductor refrigerating sheet, and the short-shaped heating panel 11 can promote the working state of the semiconductor refrigerating and the maintenance lamp, thereby ensuring the maintenance operation of the long-shaped refrigerating sheet.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims (10)

1. A MAPF active filter device capable of detecting harmonic current in real time is characterized in that: including casing (1), display screen (2) and MAPF active filter (6), a side wall mounting of casing (1) has display screen (2), casing (1) with be provided with extension board (3) on the corresponding lateral wall of display screen (2), one side of extension board (3) is provided with extension board two (15), install fan one (4) in extension board one (3), install fan two (16) in extension board two (15), all be provided with on the both ends lateral wall of casing (1) and connect cable (5), casing (1) with the junction of connecting cable (5) is provided with slot (17), mid-mounting has in casing (1) MAPF active filter (6), leading power harmonic measuring apparatu (7) are installed to one side of MAPF active filter (6), MAPF active filter (6) with one side that leading power harmonic measuring apparatu (7) correspond installs rearmounted power harmonic measuring apparatu (8), the other side that MAPF active filter (6) installed has the long shape semiconductor cooling plate (10), cooling plate (11) are installed to one side of long shape battery (9), cooling plate (11), control unit (14) are installed to the upper end of casing (1), wireless transmission module (13) are installed to control unit (14) upper end, work pilot lamp (21) are installed to one side of control unit (14), maintenance pilot lamp (22) are installed to the opposite side of control unit (22), stabilizer blade (18) are installed to lower extreme one side of casing (1), stabilizer blade two (19) are installed to the lower extreme opposite side of casing (1), stabilizer blade (18) with slipmat (20) are all installed to the lower extreme of stabilizer blade two (19).
2. The MAPF active filter capable of detecting harmonic current in real time according to claim 1, wherein: the shell (1) is connected with the first supporting leg (18) and the second supporting leg (19) through bolts, and the first supporting leg (18) and the second supporting leg (19) are bonded with the anti-skid pad (20).
3. The MAPF active filter device capable of detecting harmonic current in real time according to claim 1, wherein: the shell (1) is connected with the display screen (2) through a clamping groove, the shell (1) is connected with the control unit (14) through screws, and the control unit (14) is connected with the wireless transmission module (13) through screws.
4. The MAPF active filter capable of detecting harmonic current in real time according to claim 1, wherein: the shell (1) is connected with the work indicator lamp (21) and the maintenance indicator lamp (22) through clamping grooves.
5. The MAPF active filter capable of detecting harmonic current in real time according to claim 1, wherein: the first extension plate (3) and the second extension plate (15) are formed on the shell (1), the first extension plate (3) is connected with the first fan (4) through a clamping groove, and the second extension plate (15) is connected with the second fan (16) through a clamping groove.
6. The MAPF active filter capable of detecting harmonic current in real time according to claim 1, wherein: the casing (1) with connect cable (5) and peg graft, slot (17) shaping in on casing (1), connect cable (5) all with leading electric power harmonic measuring apparatu (7) and rearmounted electric power harmonic measuring apparatu (8) are pegged graft.
7. The MAPF active filter device capable of detecting harmonic current in real time according to claim 1, wherein: the shell (1) is connected with the MAPF active filter (6), the front electric harmonic measuring instrument (7), the rear electric harmonic measuring instrument (8) and the storage battery (9) through screws.
8. The MAPF active filter device capable of detecting harmonic current in real time according to claim 1, wherein: the shell (1) is connected with the semiconductor refrigeration piece (10) through a clamping groove, and the semiconductor refrigeration piece (10) is connected with the long heat dissipation plate (11) and the short heat dissipation plate (12) through screws.
9. The MAPF active filter device capable of detecting harmonic current in real time according to claim 1, wherein: the control unit (14) is electrically connected with the wireless transmission module (13), the storage battery (9), the display screen (2) and the semiconductor refrigeration piece (10).
10. The MAPF active filter capable of detecting harmonic current in real time according to claim 1, wherein: the storage battery (9) is electrically connected with the MAPF active filter (6), the preposed electric power harmonic measuring instrument (7) and the postposition electric power harmonic measuring instrument (8).
CN202211133068.8A 2022-09-16 2022-09-16 MAPF active filter device capable of detecting harmonic current in real time Withdrawn CN115360712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211133068.8A CN115360712A (en) 2022-09-16 2022-09-16 MAPF active filter device capable of detecting harmonic current in real time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211133068.8A CN115360712A (en) 2022-09-16 2022-09-16 MAPF active filter device capable of detecting harmonic current in real time

Publications (1)

Publication Number Publication Date
CN115360712A true CN115360712A (en) 2022-11-18

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ID=84006165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211133068.8A Withdrawn CN115360712A (en) 2022-09-16 2022-09-16 MAPF active filter device capable of detecting harmonic current in real time

Country Status (1)

Country Link
CN (1) CN115360712A (en)

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Application publication date: 20221118