CN113991462A - Low-voltage harmonic suppression reactive power compensation module device - Google Patents
Low-voltage harmonic suppression reactive power compensation module device Download PDFInfo
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- CN113991462A CN113991462A CN202111460749.0A CN202111460749A CN113991462A CN 113991462 A CN113991462 A CN 113991462A CN 202111460749 A CN202111460749 A CN 202111460749A CN 113991462 A CN113991462 A CN 113991462A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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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- 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
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- 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
- Y02E40/30—Reactive power compensation
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- 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
Abstract
The invention discloses a low-voltage harmonic suppression reactive power compensation module device, which relates to the field of reactive power compensation modules and comprises a bottom box, wherein a first box body and a second box body are arranged on one side of the bottom box through two unfolding mechanisms capable of being unfolded in parallel, the two first box bodies and the two second box bodies are matched with the bottom box in position and size, third box bodies are arranged on the inner walls of two sides of the bottom box, and reactive power compensation modules are arranged on the inner walls of one sides of the first box body, the second box body and the third box bodies. According to the invention, when the reactive compensation module device needs to be overhauled, the two first box bodies and the two second box bodies are driven to be parallelly unfolded through the unfolding mechanism, so that the reactive compensation modules are separately unfolded, the specific reactive compensation modules are convenient to overhaul independently, the fault rate increase caused by repeated disassembly and assembly can be avoided while the working strength is reduced, and the maintenance of the modules is very convenient.
Description
Technical Field
The invention relates to the field of reactive compensation modules, in particular to a low-voltage harmonic suppression reactive compensation module device.
Background
Reactive compensation, full weighingReactive power compensationIs a kind of electric powerPower supply systemHas an improved middle liftElectric networkIs/are as followsPower factorThe function of reducing the loss of the power supply transformer and the transmission line, improving the power supply efficiency and improving the power supply environment,particularly in low-voltage power transmission, the application of the low-voltage harmonic suppression reactive compensation module can reduce the loss of a power grid to a large extent and improve the quality of the power grid, so that the reactive compensation module device is widely applied and is formed by combining a plurality of reactive compensation modules according to the power of the power grid.
In order to reduce the size of the device, the reactive compensation modules in the existing low-voltage suppression harmonic reactive compensation module device are usually fixedly installed together in different levels, the reactive compensation modules positioned on the uppermost layer are convenient to overhaul, but when the reactive compensation modules positioned below the uppermost layer need to be maintained, the reactive compensation modules on the uppermost layer need to be disassembled firstly, then the reactive compensation modules below can be overhauled, the increase of the overhaul and the replacement working strength can be caused, the failure rate of the device is easy to cause to rise due to repeated disassembly and assembly, the device is inconvenient to overhaul the reactive compensation modules on different levels quickly, and therefore the low-voltage suppression harmonic reactive compensation module device is provided.
Disclosure of Invention
An object of the present application is to provide a low-voltage harmonic suppression reactive power compensation module device to solve the problems proposed in the above background art.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a low pressure restraines harmonic reactive power compensation module device, includes the under casing, first box and second box are installed through two expansion mechanism that can parallel expansion to one side of under casing, two first box and two the second box all with the position and the big or small looks adaptation of under casing, the third box is all installed to the both sides inner wall of under casing, all install the reactive power compensation module on the one side inner wall of first box, second box and third box, the fixed plate is installed to one side of under casing the top side of fixed plate is rotated and is installed L shape shielding plate, L shape shielding plate through being used for automatic the mechanism of strutting that struts with two one side of second box is connected, L shape shielding plate with one side of under casing contacts.
Borrow by above-mentioned structure, when needs overhaul the reactive compensation module device, drive two first boxes and two second boxes through expanding mechanism and carry out parallel expansion to with reactive compensation module separation expansion, thereby be convenient for overhaul specific reactive compensation module alone, can avoid a lot of dismouting and the fault rate that causes when reducing working strength rises, and the maintenance of module is very convenient.
Preferably, the unfolding mechanism includes a rotating gear, a rotating rod, a follower rod and a parallel rod, the rotating gear is rotatably installed on one side of the bottom case, the rotating rod is installed on the top side of the rotating gear, the rotating rod is rotatably connected with one side of the first case body, the follower rod is rotatably connected with one side of the first case body and one side of the second case body respectively, one side of the parallel rod is rotatably connected with one side of the first case body, one side of the second case body and one side of the bottom case body respectively, the rotating rod, the follower rod and the parallel rod are arranged in parallel, and two driving mechanisms capable of self-locking are installed on the rotating gear.
Further, through the setting of deployment mechanism, actuating mechanism passes through the synchronous antiport of running gear drive two dwangs, and two dwangs rotate and drive two first boxes and two second boxes through follower rod and parallel rod and carry out parallel expansion to with reactive compensation module separation expansion.
Preferably, the driving mechanism comprises two expanding worm wheels, an expanding worm and a driving shaft, the two expanding worm wheels are all rotatably installed on one side of the bottom box, the two expanding worm wheels are respectively meshed with the two rotating gears, the expanding worm is rotatably installed on the bottom side of the fixing plate through the driving shaft, the expanding worm is respectively meshed with the two expanding worm wheels, and the expanding worm is provided with a rotating handle through an amplification mechanism capable of increasing torque.
Furthermore, the rotating handle drives the driving gear ring to rotate, the driving gear ring rotates to drive the driving gear to rotate, the driving gear rotates to drive the unfolding worm to rotate through the driving shaft, the unfolding worm rotates to drive the two unfolding worm wheels to synchronously and reversely rotate, and the transmission of the worm wheels and the worm has self-locking performance, so that the first box body and the second box body can automatically keep the positions fixed in the unfolding process, and the position adjusting is convenient for overhauling.
Preferably, the amplification comprises a driving gear and a driving gear ring, the driving gear is fixedly sleeved on the driving shaft, the driving gear ring is meshed with the driving gear, a round shaft is installed on one side of the driving gear ring, and one end of the round shaft penetrates through the fixing plate and is connected with one side of the rotating handle.
Furthermore, through the arrangement of the amplification mechanism, the rotating handle rotates to drive the driving gear ring to rotate, the driving gear ring rotates to drive the driving gear to rotate, the driving gear rotates to drive the driving shaft to rotate, and through the arrangement of the driving gear ring and the driving gear, the transmission ratio of the rotating handle and the unfolding worm can be enlarged, so that labor is saved by increasing the rotating torque, and the adjustment of the indexing is reduced, and the accurate adjustment is facilitated.
Preferably, the opening mechanism comprises two rotating tables, two synchronous rotating rods and a synchronous support rod, the two rotating tables are respectively rotatably installed on one side of the second box body, the two synchronous rotating rods are respectively rotatably installed on one side of the two rotating tables, two sides of the synchronous support rod are respectively rotatably connected with one side, close to each other, of the two synchronous rotating rods, and the top end of the synchronous support rod is rotatably connected with the bottom side of the L-shaped shielding plate.
Further, through the setting of strutting mechanism, when two synchronous reverse movements of second box, the second box drives two synchronous bull stick synchronous reverse movements, two synchronous bull stick movements drive synchronous vaulting pole rebound, synchronous vaulting pole rebound drives L shape shielding plate and rotates around the fixed plate, L shape shielding plate rotates and makes L shape shielding plate and under casing break away from, thereby spill the reactive compensation module, make the expansion of L shape shielding plate and reactive compensation module synchronous, avoid sheltering from and hinder the maintenance, and shelter from the reactive compensation module when need not to overhaul, avoid the mistake to bump and lead to the accident to produce.
Preferably, a circular hole is formed in the bottom side of the bottom box, cross beams are mounted on the inner walls of the two sides of the circular hole, a heat dissipation fan is mounted on the bottom side of each cross beam, and the heat dissipation fan is matched with the circular hole.
Further, when the reactive compensation module works, the cooling fan is started, the cooling fan sucks air near the bottom side of the bottom box and discharges the air in a top side gap of a heat belt device generated by the reactive compensation module, bottom suction type cooling is adopted, the air with lower temperature at a lower position can be sucked, and the heated air is discharged upwards, so that the cooling efficiency is improved.
Preferably, a mesh frame is installed on the bottom side of the bottom box, and the mesh frame is matched with the bottom box in size.
Further, through the setting of mesh framework, can block radiator fan under the condition that does not influence radiator fan and draw lower microthermal air from near the bottom side of device to can avoid the large-size foreign matter to be inhaled radiator fan and cause the fan damage.
Preferably, a plurality of air exhaust holes are formed in the bottom sides of the first box body, the second box body and the third box body, and the top sides of the first box body, the second box body and the third box body are arranged in an open mode.
Further, through the setting of the hole of airing exhaust, can be so that the inspiratory low temperature air of radiator fan passes the reactive compensation module in third box, first box and the second box in proper order through the hole of airing exhaust to can accelerate the air flow on reactive compensation module surface, carry the heat dissipation capacity of delivering the reactive compensation module.
In conclusion, the technical effects and advantages of the invention are as follows:
1. according to the invention, when the reactive compensation module device needs to be overhauled, the two first box bodies and the two second box bodies are driven to be parallelly unfolded through the unfolding mechanism, so that the reactive compensation modules are separately unfolded, the specific reactive compensation modules are convenient to overhaul independently, the fault rate increase caused by repeated disassembly and assembly can be avoided while the working strength is reduced, and the maintenance of the modules is very convenient.
2. According to the invention, when two second box bodies synchronously and reversely move, the second box bodies drive two synchronous rotating rods to synchronously and reversely move, the two synchronous rotating rods move to drive the synchronous supporting rods to upwards move, the synchronous supporting rods upwards move to drive the L-shaped shielding plate to rotate around the fixed plate, the L-shaped shielding plate rotates to separate the L-shaped shielding plate from the bottom box, so that the reactive compensation module group is leaked, the L-shaped shielding plate and the reactive compensation module group are synchronously unfolded, the phenomenon that maintenance is hindered due to shielding is avoided, the reactive compensation module group is shielded when maintenance is not needed, and accidents caused by mistaken collision are avoided.
3. According to the invention, the rotating handle is rotated to drive the driving gear ring to rotate, the driving gear ring is rotated to drive the driving gear to rotate, the driving gear rotates to drive the unfolding worm to rotate through the driving shaft, the unfolding worm rotates to drive the two unfolding worm wheels to synchronously and reversely rotate, and the transmission of the worm wheels and the worm has self-locking performance, so that the first box body and the second box body can automatically keep the positions fixed in the unfolding process, and the position adjustment is convenient for maintenance.
4. In the invention, when the reactive compensation module works, the heat dissipation fan is started, the heat dissipation fan sucks air near the bottom side of the bottom box and discharges the air in a top side gap of a heat belt device generated by the reactive compensation module, and the bottom suction type heat dissipation is adopted, so that air with lower temperature at a lower position can be sucked, and heated air is upwards discharged, thereby improving the heat dissipation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of embodiment 1 of the present application;
FIG. 2 is a partially cut-away schematic structural view of embodiment 1 of the present application;
FIG. 3 is another partially cut-away schematic structural view of embodiment 1 of the present application;
FIG. 4 is a partially enlarged view of FIG. 3;
FIG. 5 is another partially cut-away schematic structural view of embodiment 1 of the present application;
FIG. 6 is a partially enlarged view of FIG. 5;
fig. 7 is a schematic view of a partial cutting mechanism in embodiment 2 of the present application.
In the figure: 1. a bottom box; 2. a rotating gear; 3. rotating the rod; 4. a first case; 5. a follower rod; 6. a second case; 7. a parallel bar; 8. a third box body; 9. a reactive compensation module; 10. unfolding the worm gear; 11. unwinding the worm; 12. a drive shaft; 13. a drive gear; 14. a drive gear ring; 15. a handle is rotated; 16. a fixing plate; 17. an L-shaped shielding plate; 18. a rotating table; 19. a synchronous rotating rod; 20. a synchronous stay bar; 21. a cross beam; 22. a heat radiation fan; 23. a mesh frame body; 24. and air exhaust holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-6, a low voltage rejection harmonic reactive compensation module apparatus is shown, comprising a bottom case 1. The bottom case 1 may be any base structure in the prior art, such as a metal case, the first case 4 and the second case 6 are both adapted to the position and size of the bottom case 1, the third case 8 is mounted on the inner walls of the two sides of the bottom case 1, and the first case 4, the second case 6 and the third case 8 may be any base structure in the prior art.
All install reactive compensation module 9 on the one side inner wall of first box 4, second box 6 and third box 8, fixed plate 16 is installed to one side of under casing 1, the top side of fixed plate 16 is rotated and is installed L shape shielding plate 17, fixed plate 16 and L shape shielding plate 17 can be any one among the prior art, L shape shielding plate 17 is connected with one side of two second boxes 6 through the mechanism that struts that is used for automatic opening, L shape shielding plate 17 contacts with one side of under casing 1.
Borrow by above-mentioned mechanism, when needs overhaul the reactive compensation module device, drive two first boxes 4 and two second boxes 6 through deployment mechanism and carry out parallel expansion to expand 9 separation of reactive compensation module, thereby be convenient for overhaul specific reactive compensation module 9 alone, can avoid a lot of dismouting and the fault rate that causes rises when reducing working strength, the maintenance of module is very convenient.
In this embodiment, as shown in fig. 3, the unfolding mechanism includes a rotation gear 2, a rotation rod 3, a follower rod 5 and a parallel rod 7, the rotation gear 2 is rotatably installed on one side of the bottom case 1, the rotation rod 3 is installed on the top side of the rotation gear 2, the rotation rod 3 is rotatably connected with one side of the first case 4, the follower rod 5 is rotatably connected with one side of the first case 4 and one side of the second case 6, one side of the parallel rod 7 is rotatably connected with one side of the first case 4, one side of the second case 6 and one side of the bottom case 1, the rotation rod 3, the follower rod 5 and the parallel rod 7 are all arranged in parallel, a driving mechanism capable of self-locking is installed on the two rotation gears 2, the advantage of the arrangement is that, through the arrangement of the unfolding mechanism, the driving mechanism drives the two rotation rods 3 to synchronously and reversely rotate through the rotation gear 2, the two rotation rods 3 drive the two first cases 4 and the two second cases 6 to be unfolded in parallel through the follower rod 5 and the parallel rod 7, thereby separately deploying the reactive compensation modules 9.
In this embodiment, as shown in fig. 4, the driving mechanism includes two expanding worm gears 10, an expanding worm 11 and a driving shaft 12, the two expanding worm gears 10 are both rotatably installed on one side of the bottom case 1, the two expanding worm gears 10 are respectively engaged with the two rotating gears 2, the expanding worm 11 is rotatably installed on the bottom side of the fixing plate 16 through the driving shaft 12, the expanding worm 11 is respectively engaged with the two expanding worm gears 10, the expanding worm 11 is installed with a rotating handle 15 through an amplifying mechanism capable of increasing torque, so that the advantage is provided that the rotating handle 15 is rotated to drive the driving gear ring 14 to rotate, the driving gear ring 14 is rotated to drive the driving gear 13 to rotate, the driving gear 13 is rotated to drive the expanding worm 11 to rotate through the driving shaft 12, the expanding worm 11 is rotated to drive the two expanding worm gears 10 to synchronously and reversely rotate, because the transmission of the worm gears and the worm has self-locking property, thereby the first case 4 and the second case 6 can automatically maintain the fixed position during the expanding process, thereby being convenient for adjusting the position for maintenance.
In this embodiment, as shown in fig. 4, the amplification includes a driving gear 13 and a driving gear ring 14, the driving gear 13 is fixedly sleeved on the driving shaft 12, the driving gear ring 14 is meshed with the driving gear 13, a circular shaft is installed on one side of the driving gear ring 14, one end of the circular shaft penetrates through the fixing plate 16 and is connected with one side of the rotating handle 15, the advantage of the setting is that, through the setting of the amplification mechanism, the rotating handle 15 rotates to drive the driving gear ring 14 to rotate, the driving gear ring 14 rotates to drive the driving gear 13 to rotate, the driving gear 13 rotates to drive the driving shaft 12 to rotate, through the setting of the driving gear ring 14 and the driving gear 13, the transmission ratio of the rotating handle 15 and the expansion worm 11 can be enlarged, thereby the rotation torque is increased to save labor, and the adjustment graduation is reduced to facilitate accurate adjustment.
In this embodiment, as shown in fig. 6, the opening mechanism includes two rotating tables 18, two synchronous rotating rods 19 and a synchronous supporting rod 20, the two rotating tables 18 are respectively rotatably installed on one side of the two second boxes 6, the two synchronous rotating rods 19 are respectively rotatably installed on one side of the two rotating tables 18, two sides of the synchronous supporting rod 20 are respectively rotatably connected with one side of the two synchronous rotating rods 19 close to each other, the top end of the synchronous supporting rod 20 is rotatably connected with the bottom side of the L-shaped shielding plate 17, so that the advantage of the opening mechanism is that, when the two second boxes 6 synchronously and reversely move, the second boxes 6 drive the two synchronous rotating rods 19 to synchronously and reversely move, the two synchronous rotating rods 19 move to drive the synchronous supporting rod 20 to move upward, the synchronous supporting rod 20 moves upward to drive the L-shaped shielding plate 17 to rotate around the fixed plate 16, the L-shaped shielding plate 17 rotates to separate the L-shaped shielding plate 17 from the bottom box 1, thereby spill reactive compensation module 9 for L shape shielding plate 17 is synchronous with reactive compensation module 9's expansion, avoids sheltering from and hinders the maintenance, just shelters from reactive compensation module 9 when need not to overhaul, avoids the mistake to bump and lead to the accident to produce.
Example 2: different from embodiment 1, in this embodiment, as shown in fig. 7, a circular hole is formed in the bottom side of the bottom box 1, the cross beam 21 is installed on the inner walls of the two sides of the circular hole, the heat dissipation fan 22 is installed on the bottom side of the cross beam 21, and the heat dissipation fan 22 is matched with the circular hole.
In this embodiment, as shown in fig. 7, the mesh frame 23 is installed on the bottom side of the bottom case 1, and the mesh frame 23 is adapted to the size of the bottom case 1, so that the mesh frame 23 is arranged to block the heat dissipation fan 22 without affecting the condition that the heat dissipation fan 22 sucks low-temperature air from the bottom side of the device, thereby preventing the fan from being damaged due to the large-sized foreign matters sucked into the heat dissipation fan 22.
In this embodiment, as shown in fig. 2, a plurality of exhaust holes 24 have all been seted up to the bottom side of first box 4, second box 6 and third box 8, first box 4, second box 6 and third box 8 top side are open setting, the benefit of setting like this is, through the setting of exhaust hole 24, can make the inspiratory low temperature air of radiator fan 22 pass third box 8, the reactive compensation module 9 in first box 4 and the second box 6 in proper order through exhaust hole 24, thereby can accelerate the air flow on reactive compensation module 9 surface, the heat dissipation capacity of the reactive compensation module 9 of delivery.
The working principle of the invention is as follows:
when the reactive compensation module device needs to be overhauled, the rotating handle 15 drives the driving gear ring 14 to rotate, the driving gear ring 14 rotates to drive the driving gear 13 to rotate, the driving gear 13 rotates to drive the unfolding worm 11 to rotate through the driving shaft 12, the unfolding worm 11 rotates to drive the two unfolding worm wheels 10 to synchronously and reversely rotate, the unfolding worm 11 rotates to drive the two rotating rods 3 to synchronously and reversely rotate through the rotating gear 2, the two rotating rods 3 rotate to drive the two first boxes 4 and the two second boxes 6 to be parallelly unfolded through the follower rod 5 and the parallel rod 7, the reactive compensation module 9 is separated and unfolded, the specific reactive compensation module 9 is convenient to overhaul independently, the working strength is reduced, meanwhile, the fault rate caused by repeated dismounting and mounting can be avoided, and the module is very convenient to maintain.
When two second boxes 6 synchronously and reversely move, the second boxes 6 drive two synchronous rotating rods 19 to synchronously and reversely move, the two synchronous rotating rods 19 move to drive the synchronous supporting rods 20 to upwards move, the synchronous supporting rods 20 upwards move to drive the L-shaped shielding plate 17 to rotate around the fixed plate 16, the L-shaped shielding plate 17 rotates to separate the L-shaped shielding plate 17 from the bottom box 1, so that the reactive compensation module 9 leaks out, the L-shaped shielding plate 17 and the reactive compensation module 9 are synchronously unfolded to avoid shielding to hinder maintenance, the reactive compensation module 9 is shielded when maintenance is not needed to avoid accidents caused by mistaken collision, when the reactive compensation module 9 works, the heat dissipation fan 22 is started, the heat dissipation fan 22 sucks air near the bottom side of the bottom box 1 through the mesh frame body 23, takes heat generated by the reactive compensation module 9 out through the exhaust holes 24 and discharges the heat from a top side gap of the device, the bottom suction type heat dissipation is adopted, so that air with lower temperature at a lower position can be sucked, and heated air is discharged upwards, and the heat dissipation efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a low pressure restraines harmonic reactive compensation module device, includes under casing (1), its characterized in that: a first box body (4) and a second box body (6) are arranged on one side of the bottom box (1) through two unfolding mechanisms which can be unfolded in parallel, the two first box bodies (4) and the two second box bodies (6) are matched with the bottom box (1) in position and size, third box bodies (8) are respectively arranged on the inner walls of the two sides of the bottom box (1), reactive compensation modules (9) are respectively arranged on the inner walls of one sides of the first box body (4), the second box body (6) and the third box bodies (8), a fixed plate (16) is arranged on one side of the bottom box (1), an L-shaped baffle plate (17) is rotatably arranged on the top side of the fixed plate (16), the L-shaped shielding plate (17) is connected with one side of the two second box bodies (6) through a spreading mechanism for automatic spreading, the L-shaped shielding plate (17) is in contact with one side of the bottom box (1).
2. The low-voltage harmonic suppression reactive power compensation module device according to claim 1, wherein: the unfolding mechanism comprises a rotating gear (2), a rotating rod (3), a follower rod (5) and a parallel rod (7), the rotating gear (2) is rotatably arranged on one side of the bottom box (1), the rotating rod (3) is arranged on the top side of the rotating gear (2), the rotating rod (3) is rotatably connected with one side of the first box body (4), the follower rod (5) is respectively connected with one side of the first box body (4) and one side of the second box body (6) in a rotating way, one side of the parallel rod (7) is respectively connected with one side of the first box body (4), one side of the second box body (6) and one side of the bottom box (1) in a rotating way, the rotating rod (3), the follower rod (5) and the parallel rod (7) are arranged in parallel, and a driving mechanism capable of self-locking is installed on the rotating gear (2).
3. The low-voltage harmonic suppression reactive power compensation module device according to claim 2, wherein: actuating mechanism includes two expansion worm wheels (10), expansion worm (11) and drive shaft (12), two expansion worm wheel (10) all rotate to be installed on one side of under casing (1), two expansion worm wheel (10) respectively with two rotating gear (2) mesh mutually, expansion worm (11) pass through drive shaft (12) rotate to be installed on the bottom side of fixed plate (16), expansion worm (11) respectively with two expansion worm wheel (10) mesh mutually, expansion worm (11) install turning handle (15) through the mechanism that increases that can lift moment.
4. The low-voltage harmonic suppression reactive power compensation module device according to claim 3, wherein: the amplification comprises a driving gear (13) and a driving gear ring (14), the driving gear (13) is fixedly sleeved on the driving shaft (12), the driving gear ring (14) is meshed with the driving gear (13), a round shaft is installed on one side of the driving gear ring (14), and one end of the round shaft penetrates through the fixing plate (16) and is connected with one side of the rotating handle (15).
5. The low-voltage harmonic suppression reactive power compensation module device according to claim 1, wherein: the opening mechanism comprises two rotating tables (18), two synchronous rotating rods (19) and a synchronous supporting rod (20), the two rotating tables (18) are respectively rotatably installed on two sides of the second box body (6), the two synchronous rotating rods (19) are respectively rotatably installed on two sides of the rotating tables (18), two sides of the synchronous supporting rod (20) are respectively rotatably connected with two sides, close to each other, of the synchronous rotating rods (19), and the top end of the synchronous supporting rod (20) is rotatably connected with the bottom side of the L-shaped shielding plate (17).
6. The low-voltage harmonic suppression reactive power compensation module device according to claim 1, wherein: the bottom side of the bottom box (1) is provided with a circular hole, the inner walls of two sides of the circular hole are provided with a cross beam (21) together, the bottom side of the cross beam (21) is provided with a heat radiation fan (22), and the heat radiation fan (22) is matched with the circular hole.
7. The low-voltage harmonic suppression reactive power compensation module device according to claim 1, wherein: the mesh frame body (23) is installed to the bottom side of bottom case (1), mesh frame body (23) with the size looks adaptation of bottom case (1).
8. The low-voltage harmonic suppression reactive power compensation module device according to claim 1, wherein: a plurality of air exhaust holes (24) are formed in the bottom sides of the first box body (4), the second box body (6) and the third box body (8), and the top sides of the first box body (4), the second box body (6) and the third box body (8) are all arranged in an open mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111460749.0A CN113991462B (en) | 2021-12-03 | 2021-12-03 | Low-voltage suppression harmonic reactive compensation module device |
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| CN202111460749.0A CN113991462B (en) | 2021-12-03 | 2021-12-03 | Low-voltage suppression harmonic reactive compensation module device |
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| CN113991462B CN113991462B (en) | 2023-09-22 |
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| CN113991462B (en) | 2023-09-22 |
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