CN109817448B - Intelligent low-voltage power capacitor - Google Patents
Intelligent low-voltage power capacitor Download PDFInfo
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- CN109817448B CN109817448B CN201910164171.0A CN201910164171A CN109817448B CN 109817448 B CN109817448 B CN 109817448B CN 201910164171 A CN201910164171 A CN 201910164171A CN 109817448 B CN109817448 B CN 109817448B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 114
- 239000000428 dust Substances 0.000 claims abstract description 98
- 230000017525 heat dissipation Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 16
- 235000014653 Carica parviflora Nutrition 0.000 claims description 24
- 241000243321 Cnidaria Species 0.000 claims description 23
- 230000007935 neutral effect Effects 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 13
- 229910002027 silica gel Inorganic materials 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 244000132059 Carica parviflora Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of low-voltage power capacitors, and particularly relates to an intelligent low-voltage power capacitor which comprises a shell, a single chip microcomputer, a low-voltage capacitor and a dust removal module, wherein the single chip microcomputer is connected with the shell; a partition board is arranged in the shell, a single chip microcomputer and a low-voltage capacitor are respectively arranged in the shell corresponding to two sides of the partition board, heat dissipation holes are uniformly distributed in the wall thickness of one side of the shell, and sealing modules are arranged on the inner sides of the heat dissipation holes; a series circuit is arranged between the singlechip and the low-voltage capacitor, and a current sensor and a fuse are arranged on the series circuit; the top of one side of the partition board adjacent to the low-voltage capacitor is rotatably connected with one end of a rotating spring, the other end of the rotating spring penetrates through the lantern ring to be fixedly connected with the connecting column, and the connecting column is rotatably connected with the bottom plate of the shell; and a heat dissipation module is arranged between the low-voltage capacitor and the bottom plate of the shell. The invention can carry out heat dissipation treatment on the low-voltage capacitor, and seal the low-voltage capacitor when the low-voltage capacitor stops running, thereby effectively improving the heat dissipation and dust prevention efficiency.
Description
Technical Field
The invention belongs to the technical field of low-voltage power capacitors, and particularly relates to an intelligent low-voltage power capacitor.
Background
Low voltage power capacitors may be used for special applications (e.g. high temperature, long life, high current capacity, etc.), where power capacitors are essential. The intelligent capacitor is an intelligent reactive power compensation device integrating advanced technologies such as modern measurement and control, power electronics, network communication, automatic control and power capacitors, and has the characteristics of better compensation effect, smaller volume, lower power consumption, lower price, more flexible use, more convenient maintenance, longer service life and higher reliability. The backward controller technology of the traditional reactive power compensation device and the backward mechanical switching or electromechanical integrated switch as the switching technology of the switched capacitor are changed. There are more or less imperfect areas in the technology of the existing intelligent capacitors of various manufacturers on the market: if the protection function is imperfect: there is no temperature protection.
Also some low-voltage capacitor's technical scheme has appeared among the prior art, chinese patent as application number 2015206587033 discloses an intelligent low-voltage power capacitor, including shell, singlechip and low-voltage capacitor, be provided with the knife switch on the shell, be provided with the objective table on the shell, knife switch and singlechip electric connection, collocation has series circuit between singlechip and the low-voltage capacitor, install current sensor and fuse on the series circuit, the fuse is located the objective table, the fuse collocation has surge protector, be provided with temperature sensor on the low-voltage capacitor, temperature sensor is for inlaying in the low-voltage capacitor surface, the collocation has the sensor data line between temperature sensor and the singlechip.
Although this technical scheme can be through being provided with temperature sensor and current sensor, utilize temperature sensor to gather the internal temperature of condenser to feed back the singlechip, the setting value that is higher than the singlechip is automatic to be amputated the condenser, withdraws from the operation, ensures that equipment is not harmed, current sensor has automatic protect function when harm conditions such as overcurrent, excessive pressure take place, power consumption and small in addition, the whole power consumption of equipment that can significantly reduce. However, when the low-voltage power capacitor is used, the temperature rise can only be detected, then the operation of the low-voltage capacitor is stopped, no heat dissipation measure is taken, the low-voltage capacitor cannot be normally used, and the working efficiency is reduced.
Disclosure of Invention
In order to make up for the defects of the prior art, the intelligent low-voltage power capacitor provided by the invention can detect the temperature of the low-voltage capacitor, so that the high temperature of the low-voltage capacitor is avoided, meanwhile, the dust removal module and the heat dissipation module are used for dissipating heat and removing dust in the shell, the heat dissipation efficiency and the dust removal efficiency of the low-voltage capacitor are effectively improved, and the normal use of the low-voltage capacitor is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an intelligent low-voltage power capacitor which comprises a shell, a single chip microcomputer, a low-voltage capacitor and a dust removal module, wherein the single chip microcomputer is arranged on the shell; a partition plate is arranged in the shell, a limiting lantern ring is fixedly connected to the inner wall of the shell, which is far away from one side of the partition plate, a single chip microcomputer and a low-voltage capacitor are respectively arranged in the shell, which corresponds to two sides of the partition plate, radiating holes are uniformly distributed in the wall thickness of one side of the shell, and sealing modules are arranged on the inner sides of the radiating holes; the sealing module comprises a sealing plate, and the sealing plate is rotationally connected with the inner wall of the heat dissipation hole through a torsion spring; a series circuit is arranged between the single chip microcomputer and the low-voltage capacitor, and a current sensor and a fuse are installed on the series circuit; the top of one side, adjacent to the low-voltage capacitor, of the partition plate is rotatably connected with one end of a rotating spring, the other end of the rotating spring penetrates through the lantern ring to be fixedly connected with the connecting column, and the connecting column is rotatably connected with the bottom plate of the shell; the rotating spring is used for poking the sealing module to open; a heat dissipation module is arranged between the low-voltage capacitor and the bottom plate of the shell, and a temperature sensor is arranged on the low-voltage capacitor; wherein,
the heat dissipation module comprises an inverted T-shaped support frame, a motor, a rotating fan, a sliding plate, a support plate and a connecting rod; the inner side of the horizontal section of the inverted T-shaped support frame is provided with a motor, the motor is in transmission connection with a rotating fan, a linkage belt is arranged between the motor and a connecting column, a one-way exhaust pipe is arranged on the vertical section of the inverted T-shaped support frame, the inner side of the horizontal section of the inverted T-shaped support frame is also provided with an air exhaust unit, the air exhaust unit is used for cooling the inner side of the horizontal section of the inverted T-shaped support frame, the inverted T-shaped support frame is provided with a first air passage, exhaust holes are uniformly distributed at the top of the inverted T-shaped support frame, and the; the sliding plate is connected with the vertical section of the inverted T-shaped support frame in a sliding mode, the top of the sliding plate is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with the support plate, and an extrusion spring is sleeved on the connecting rod; the dust removal module is arranged at the top of the supporting plate.
When the temperature sensor senses that the temperature in the low-voltage capacitor is high, the low-voltage capacitor is automatically disconnected if the data is higher than the set value of the singlechip, the low-voltage capacitor normally works if the data is lower than the set value of the singlechip, the heat dissipation module and the dust removal module work simultaneously, the shell can be provided with a magnetic shielding layer which can cut off the propagation path of electromagnetic waves and eliminate the interference of external electromagnetic waves, when the motor drives the rotating fan to rotate, the electromagnetic valve arranged at the connecting position of the inverted T-shaped support frame and the shell is opened, external air is pumped into the inverted T-shaped support frame, so that the sliding plate is pushed to move upwards, and meanwhile, the air on the inner side of the inverted T-shaped support frame is discharged through the air passage and the exhaust hole, on one hand, the dust removal module is dedusted, on the other hand, the low-voltage capacitor is radiated by accelerating the air flow on the inner side of the shell, the rotating fan drives the connecting post to rotate through the linkage belt when rotating, the connecting post enables the rotating spring to rotate, when the rotating spring rotates, a spring coil of the rotating spring is contacted with one end of the sealing plate, so that the sealing plate rotates, the radiating holes are opened to discharge hot air, when the rotating fan stops rotating, the rotating spring stops rotating, the sealing plate seals the radiating holes again under the action of the torsional spring, the sealing performance of the shell is improved, the external dust is prevented from entering the inner side of the shell, when the rotating fan stops rotating, the electromagnetic valve is closed, the sliding plate is downwards moved by the extrusion spring, so that the cold air outside is pumped to the inner side of the vertical section of the inverted T-shaped support frame through the one-way exhaust pipe, and then the cold air is transferred, the inner side of the first air passage is introduced to cool the low-voltage capacitor, so that the heat dissipation efficiency of the low-voltage capacitor is effectively improved, the normal use of the low-voltage capacitor is guaranteed, and the working efficiency is improved.
Preferably, coral sponges are arranged on the inner wall of the top plate of the shell and connected with a rectangular plate arranged on the shell; the positions of the rotating spring, which correspond to the fuse and the current sensor, are fixedly connected with a dust removal unit; the dust removal unit comprises a funnel-shaped rubber disc and a neutral sponge; the neutral sponge is arranged on the inner side of the funnel-shaped rubber disc and used for cleaning the upper surfaces of the fuse and the current sensor; the coral sponge is used for adsorbing dust on the surface of the neutral sponge.
When the device works, when the rotating spring rotates, the funnel-shaped rubber disc is driven to rotate, when the funnel-shaped rubber disc rotates to the tops of the fuse and the current sensor, the dust on the tops of the fuse and the current sensor is erased by the neutral sponge on the inner side of the funnel-shaped rubber disc, when the funnel-shaped rubber disc is driven by the rotating spring to rotate to the position of the coral sponge, the coral sponge is firstly extruded by the funnel-shaped rubber disc to deform, the rotating spring continues to rotate, the dust on the neutral sponge is transferred to the coral sponge, when the funnel-shaped rubber disc is separated from the coral sponge, the coral sponge recovers to the original shape, the dust is sucked into the interior, the lower surface of the coral sponge is kept clean, the short circuit between the fuse and the current sensor caused by the dust accumulated on the fuse and the current sensor can be avoided, and the rectangular plate of connection is gone up to the embedding in the shell, can carry out periodic replacement clearance to the coral sponge, and it is convenient to use.
Preferably, the closed module further comprises a dust guard; the dust guard is articulated with the top of closing plate, is provided with connecting spring between dust guard and the closing plate.
The during operation, when this low voltage power capacitor stops the operation for a long time, the top of closing plate can accumulate the dust, when the closing plate rotates, coupling spring makes the top of dust guard contact with the inner wall at louvre top all the time, thereby with the air escape between dust guard and the closing plate, and then make the accumulated dust in closing plate top blow off, can avoid the closing plate to shift external dust to the inboard of shell when rotating like this, effectively improve the inboard clean degree of shell, avoid series circuit short circuit, thereby the life of low voltage capacitor has been prolonged.
Preferably, the bottom of the first air passage is located on the inner wall of the top of the horizontal section of the inverted T-shaped support frame, and a one-way exhaust valve is arranged at the connecting position of the top of the first air passage and the vertical section of the inverted T-shaped support frame.
When the low-voltage capacitor cooling device works, when the sliding plate just starts to move upwards, air inside the horizontal section of the inverted T-shaped support frame is guided into the inner side of the first air passage, so that the low-voltage capacitor is cooled, then the air is discharged through the exhaust holes in an accelerated manner to blow out dust to the dust removal module, meanwhile, cold air in the vertical section of the inverted T-shaped support frame is discharged through the one-way exhaust valve, the first air passage and the exhaust holes in sequence to dissipate heat of the low-voltage capacitor, when the sliding plate moves upwards to the highest position, the air inside the inverted T-shaped support frame is sprayed out slowly through the one-way exhaust valves at the bottom and the top of the first air passage at the same time to dissipate heat, the dust removal efficiency of the dust removal module is improved by utilizing air with different flow rates, when the sliding plate moves downwards under the action of the extrusion spring, the air inside the horizontal section of the, when the dust removal module is prevented from moving downwards, dust on the low-voltage capacitor is brushed to fall to the top of the inverted T-shaped support frame, so that the heat dissipation efficiency of the low-voltage capacitor can be effectively improved, and the dust removal quality of the dust removal module is improved.
Preferably, the heat dissipation module further comprises an air extraction unit; the air extraction unit comprises a hinged frame, an elastic telescopic air bag and an arc-shaped rod; the hinged frame is arranged on the inner wall of the inverted T-shaped support frame, an elastic telescopic air bag is arranged on the inner side of the hinged frame, and an arc-shaped rod is fixedly connected to the hinged frame; the arc-shaped rod is used for being contacted with the bottom of the sliding plate, so that the hinged frame is opened; a second air passage is formed in the position, corresponding to the elastic telescopic air bag, of the wall thickness of the inverted T-shaped support frame, one end of the second air passage is communicated with the elastic telescopic air bag through a hose, and the other end of the second air passage is communicated with an inner cavity in the top of the inverted T-shaped support frame; when the sliding plate is located at the initial position, the sliding plate is located below the other end of the second air passage.
When the sliding plate moves downwards to be contacted with the top end of the arc-shaped rod during working, the sliding plate is positioned below the second air passage, when the sliding plate continues to move downwards, the arc-shaped plate is pushed to open the hinged frame, so that the elastic telescopic air bag pumps cold air at the top of the sliding plate into the inner cavity through the second air passage, when the rotating fan rotates again, the sliding plate moves upwards, a one-way exhaust valve for exhausting is arranged at the connecting position of the hinged frame and the elastic telescopic air bag, at the moment, the elastic expansion air bag contracts, cold air in the inner cavity of the elastic expansion air bag is discharged through the one-way exhaust valve, so that the air at the inner side of the horizontal section of the inverted T-shaped support frame is reduced, then, the cold air is discharged through an air passage to cool the low-voltage capacitor, and simultaneously, the dust blowing treatment is carried out on the dust removal module, so that the heat dissipation efficiency of the low-voltage capacitor and the cleanness degree of the dust removal module are effectively improved.
Preferably, the dust removal module comprises a rotating shaft, a disc and a brush; the rotating shafts are arranged at the top of the supporting plate, the rotating shafts are sleeved with the discs, coil springs are arranged at the connecting positions of the bottom ends of the rotating shafts and the supporting plate, pull ropes are wound on the outer cylindrical surface of the middle of the rotating shafts, and one ends of the pull ropes are fixedly connected with the top of the supporting plate; the outer side of the disc is provided with a hairbrush, and the tail end of the hairbrush is evenly provided with heat-conducting silica gel blocks.
The during operation, when the backup pad shifts up, stay cord pulling axis of rotation is rotatory, thereby it is rotatory to make the axis of rotation drive the disc, the disc is rotatory, utilize the brush to remove dust to low voltage capacitor's side, and simultaneously, the terminal heat conduction silica gel piece of brush contacts with low voltage capacitor's side and absorbs the heat, at this moment, the disc continues to rotate, thereby make the heat conduction silica gel piece alternate segregation with low voltage capacitor side contact, reuse exhaust hole exhaust air cools down heat conduction silica gel piece, when the backup pad moves down, thereby effectively improved the cooling rate of heat conduction silica gel piece, and then improve low voltage capacitor's radiating efficiency, utilize the coil spring to make the axis of rotation drive disc reverse rotation, continue to remove dust to low voltage capacitor, improve the dust removal quality.
The invention has the following beneficial effects:
1. the rotating spring and the torsion spring are matched for use, the sealing plate is stirred to rotate in a reciprocating mode, so that the air flow inside the shell is accelerated, the heat dissipation efficiency is improved, the sealing holes are sealed through the sealing plate, the sealing performance of the shell is improved, meanwhile, the speed of the discharged air can be changed alternately through the relative position between the top of the first air channel and the sliding plate, and the dust removal efficiency of the dust removal module is improved through the air with different flow rates.
2. According to the invention, the current sensor and the fuse are dedusted by the neutral sponge on the inner side of the funnel-shaped rubber disc, and the coral sponge is used for absorbing dust on the neutral sponge and transferring the dust to the interior for storage, so that the dedusting efficiency of the neutral sponge is improved; utilize the flexible gasbag to shift the cold air at type of falling T carriage top to the bottom of type of falling T carriage through No. two air flues, discharge through an air flue again to lower the temperature to low-voltage capacitor, effectively improve low-voltage capacitor's radiating efficiency.
3. According to the invention, the dustproof plate is arranged on the sealing plate, so that dust on the top of the sealing plate is prevented from entering the inner side of the shell by the dustproof plate, and the low-voltage capacitor is prevented from being short-circuited by the dust, thereby prolonging the service life of the low-voltage capacitor; the spring is matched with the pull rope for the brush rotates in two directions in the process that the supporting plate moves up and down, so that the cleaning degree of the low-voltage capacitor is improved, heat-conducting silica gel blocks on the brush are utilized to perform heat dissipation and heat absorption alternate operation, and the heat dissipation efficiency of the low-voltage capacitor is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is an enlarged partial schematic view at B of FIG. 1;
FIG. 4 is an enlarged partial schematic view at C of FIG. 1;
in the figure: the device comprises a shell 1, a partition plate 11, a rectangular plate 12, coral sponge 13, a connecting column 14, a single chip microcomputer 2, a low-voltage capacitor 3, a temperature sensor 31, a current sensor 4, a fuse 5, a rotating spring 6, a dust removal unit 61, a funnel-shaped rubber disc 611, a heat dissipation module 7, an inverted T-shaped support frame 71, a first air channel 711, a second air channel 712, a rotating fan 72, a sliding plate 73, a support plate 74, a coil spring 741, a pull rope 742, an air suction unit 75, a hinge frame 751, an elastic telescopic air bag 752, an arc-shaped rod 753, a dust removal module 8, a disc 81, a brush 82, a heat-conducting silica gel block 821, a sealing module 9, a sealing.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, an intelligent low-voltage power capacitor comprises a shell 1, a single chip microcomputer 2, a low-voltage capacitor 3 and a dust removal module 8; a partition plate 11 is arranged inside the shell 1, a limiting lantern ring is fixedly connected to the inner wall of the shell 1, which is far away from one side of the partition plate 11, a single chip microcomputer 2 and a low-voltage capacitor 3 are respectively arranged inside the shell 1, which corresponds to two sides of the partition plate 11, radiating holes are uniformly distributed in the wall thickness of one side of the shell 1, and sealing modules 9 are arranged on the inner sides of the radiating holes; the sealing module 9 comprises a sealing plate 91, and the sealing plate 91 is rotatably connected with the inner wall of the heat dissipation hole through a torsion spring; a series circuit is arranged between the singlechip 2 and the low-voltage capacitor 3, and a current sensor 4 and a fuse 5 are arranged on the series circuit; the top of one side, adjacent to the low-voltage capacitor 3, of the partition plate 11 is rotatably connected with one end of the rotating spring 6, the other end of the rotating spring 6 penetrates through the limiting sleeve ring to be fixedly connected with the connecting column 14, and the connecting column 14 is rotatably connected with the bottom plate of the shell 1; the rotating spring 6 is used for poking the closing module 9 to open; a heat dissipation module 7 is arranged between the low-voltage capacitor 3 and the bottom plate of the shell 1, and a temperature sensor 31 is arranged on the low-voltage capacitor 3; wherein,
the heat dissipation module 7 comprises an inverted T-shaped support frame 71, a motor, a rotating fan 72, a sliding plate 73, a support plate 74 and a connecting rod; a motor is arranged on the inner side of the horizontal section of the inverted T-shaped support frame 71 and is in transmission connection with the rotating fan 72, a linkage belt is arranged between the motor and the connecting column 14, a one-way exhaust pipe is arranged on the vertical section of the inverted T-shaped support frame 71, an air exhaust unit 75 is further arranged on the inner side of the horizontal section of the inverted T-shaped support frame 71, the air exhaust unit 75 is used for cooling the inner side of the horizontal section of the inverted T-shaped support frame 71, a first air passage 711 is arranged on the inverted T-shaped support frame 71, exhaust holes are uniformly distributed in the top of the inverted T-shaped support frame 71, and the exhaust holes are communicated; the sliding plate 73 is connected with the vertical section of the inverted T-shaped support frame 71 in a sliding mode, the top of the sliding plate 73 is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with the support plate 74, and an extrusion spring is sleeved on the connecting rod; the dust removal module 8 is disposed on top of the support plate 74.
When the temperature sensor 31 senses that the temperature in the low-voltage capacitor 3 is high, the data is fed back to the single chip microcomputer 2, if the data is higher than the set value of the single chip microcomputer 2, the low-voltage capacitor 3 is automatically disconnected, if the data is lower than the set value of the single chip microcomputer 2, the low-voltage capacitor 3 normally works, and the heat dissipation module 7 and the dust removal module 8 work simultaneously, a magnetic shielding layer can be arranged on the shell 1, the transmission path of electromagnetic waves can be cut off, the interference of external electromagnetic waves can be eliminated, when the motor drives the rotating fan 72 to rotate, the electromagnetic valve arranged at the connecting position of the inverted T-shaped supporting frame 71 and the shell 1 is opened, external air is pumped into the inverted T-shaped supporting frame 71, so that the sliding plate 73 is pushed to move upwards, air on the inner side of the inverted T-shaped support frame 71 is discharged through the first air passage 711 and the exhaust hole, on one hand, dust removal is performed on the dust removal module 8, on the other hand, heat dissipation is performed on the low-voltage capacitor 3 through accelerating air flow on the inner side of the shell 1, the rotating fan 72 drives the connecting column 14 to rotate through the linkage belt when rotating, the connecting column 14 enables the rotating spring 6 to rotate, when the rotating spring 6 rotates, a coil of the rotating spring 6 is in contact with one end of the sealing plate 91, so that the sealing plate 91 rotates, the heat dissipation holes are opened to discharge hot air, when the rotating fan 72 stops rotating, the rotating spring 6 stops rotating, the sealing plate 91 seals the heat dissipation holes again under the action of the torsion spring, the sealing performance of the shell 1 is improved, external dust is prevented from entering the inner side of the shell 1, when the rotating fan 72 stops rotating, the electromagnetic valve is closed, thereby take out the inboard to the vertical section of type of falling T support frame 71 through one-way exhaust tube through external cold air, then the rethread unit 75 of bleeding shifts the cold air to the inboard of the type of falling T support frame 71 horizontal segment, and the inboard of leading-in air flue 711 cools down low voltage capacitor 3 again, has effectively improved low voltage capacitor 3's radiating efficiency like this, guarantees low voltage capacitor 3's normal use, improves work efficiency.
When the device works, when the rotating spring 6 rotates, the funnel-shaped rubber disc 611 is driven to rotate, when the funnel-shaped rubber disc 611 rotates to the tops of the fuse 5 and the current sensor 4, the neutral sponge on the inner side of the funnel-shaped rubber disc 611 erases dust on the tops of the fuse 5 and the current sensor 4, when the rotating spring 6 drives the funnel-shaped rubber disc 611 to rotate to the position of the coral sponge 13, the funnel-shaped rubber disc 611 firstly extrudes the coral sponge 13 to deform, the rotating spring 6 continuously rotates to transfer the dust on the neutral sponge to the coral sponge 13, when the funnel-shaped rubber disc 611 is separated from the coral sponge 13, the coral sponge 13 is restored to the original state, so that the dust is sucked into the interior, the lower surface of the coral sponge 13 is kept clean, and thus the short circuit between the fuse 5 and the current sensor 4 caused by the dust accumulated on the fuse 5 and, thereby prolonged fuse 5 and current sensor 4's life, and the rectangular plate 12 of embedding connection on the shell 1 can carry out periodic replacement clearance, it is convenient to use to coral sponge 13.
The closure module 9 further comprises a dust guard 92; the dust guard 92 is hinged to the top of the sealing plate 91, and a connecting spring is arranged between the dust guard 92 and the sealing plate 91.
The during operation, when this low voltage power capacitor stops operating for a long time, the top of closing plate 91 can accumulate the dust, when closing plate 91 rotates, coupling spring makes the top of dust guard 92 contact with the inner wall at louvre top all the time, thereby with the air escape between dust guard 92 and the closing plate 91, and then make the accumulated dust in closing plate 91 top blow off, can avoid like this when closing plate 91 rotates to shift external dust to the inboard of shell 1, effectively improve the inboard clean degree of shell 1, avoid series circuit short circuit, thereby low voltage capacitor 3's life has been prolonged.
The bottom end of the first air passage 711 is located on the inner wall of the top of the horizontal section of the inverted T-shaped support frame 71, and a one-way exhaust valve is arranged at the connecting position of the top of the first air passage 711 and the vertical section of the inverted T-shaped support frame 71.
When the dust removal device works, when the sliding plate 73 moves upwards just, air on the inner side of the horizontal section of the inverted T-shaped supporting frame 71 is guided into the inner side of the first air passage 711, so that the low-voltage capacitor 3 is cooled, then the air is discharged through the exhaust holes to blow dust to the dust removal module 8, meanwhile, cold air on the vertical section of the inverted T-shaped supporting frame 71 is discharged through the one-way exhaust valve, the first air passage 711 and the exhaust holes in sequence to dissipate heat of the low-voltage capacitor 3, when the sliding plate 73 moves upwards to the highest position, the air on the inner side of the inverted T-shaped supporting frame 71 is slowly sprayed out through the one-way exhaust valves at the bottom and the top of the first air passage 711 at the same time to dissipate heat, the dust removal efficiency of the dust removal module 8 is improved by utilizing air with different flow rates, when the sliding plate 73 moves downwards under the action of the extrusion spring, the sliding plate 73, and the dust removal module 8 is continuously blown with dust, so that the dust on the low-voltage capacitor 3 is prevented from being brushed down to the top of the inverted T-shaped support frame 71 when the dust removal module 8 moves down, the heat dissipation efficiency of the low-voltage capacitor 3 can be effectively improved, and the dust removal quality of the dust removal module 8 is improved.
The heat dissipation module 7 further comprises an air extraction unit 75; the air suction unit 75 comprises a hinged frame 751, an elastic telescopic air bag 752 and an arc-shaped rod 753; the hinged frame 751 is arranged on the inner wall of the inverted T-shaped support frame 71, an elastic telescopic air bag 752 is arranged on the inner side of the hinged frame 751, and an arc-shaped rod 753 is fixedly connected to the hinged frame 751; the arc-shaped rod 753 is used to contact the bottom of the sliding plate 73, thereby causing the hinge frame 751 to open; a second air passage 712 is formed in the position, corresponding to the elastic telescopic air bag 752, of the wall thickness of the inverted T-shaped support frame 71, one end of the second air passage 712 is communicated with the elastic telescopic air bag 752 through a hose, and the other end of the second air passage 712 is communicated with an inner cavity in the top of the inverted T-shaped support frame 71; when the sliding plate 73 is located at the initial position, the sliding plate 73 is located below the other end of the second air duct 712.
In operation, when the sliding plate 73 moves downward to contact with the top end of the arc rod 753, the sliding plate 73 is located below the second air duct 712, and when the sliding plate 73 continues to move downward, the arc plate is pushed to open the hinge frame 751, so that the elastic bellows 752 pumps the cold air on the top of the sliding plate 73 into the inner chamber through the second air passage 712, and when the rotating fan 72 is rotated again, the sliding plate 73 moves upward, a one-way exhaust valve for exhausting air is provided at a connection position of the hinge frame 751 and the elastic extensible airbag 752, and at this time, the elastic expansion air bag 752 contracts, cold air in the inner cavity of the elastic expansion air bag 752 is exhausted through the one-way exhaust valve, so that air at the inner side of the horizontal section of the inverted T-shaped support frame 71 is reduced, then, the cold air is discharged through the first air passage 711, thereby cooling the low-voltage capacitor 3, meanwhile, the dust removal module 8 is subjected to dust blowing treatment, so that the heat dissipation efficiency of the low-voltage capacitor 3 and the cleanness degree of the dust removal module 8 are effectively improved.
The dust removal module 8 comprises a disc 81, a rotating shaft and a brush 82; a plurality of rotating shafts are arranged at the top of the supporting plate 74, a disc 81 is sleeved on each rotating shaft, a coil spring 741 is arranged at the connecting position of the bottom end of each rotating shaft and the supporting plate 74, a pull rope 742 is wound on the outer cylindrical surface in the middle of each rotating shaft, and one end of each pull rope 742 is fixedly connected with the top of the supporting plate 74; the outer side of the disc 81 is provided with a brush 82, and the tail end of the brush 82 is uniformly provided with a heat-conducting silica gel block 821.
In operation, when backup pad 74 shifts up, stay cord 742 pulling axis of rotation is rotatory, thereby it is rotatory to make the axis of rotation drive disc 81, disc 81 is rotatory, utilize brush 82 to remove dust to low-voltage capacitor 3's side, simultaneously, the terminal heat conduction silica gel piece 821 of brush 82 contacts with low-voltage capacitor 3's side and absorbs the heat, at this moment, disc 81 continues to rotate, thereby make the heat conduction silica gel piece 821 with low-voltage capacitor 3 side contact alternate segregation, reuse exhaust hole exhaust air to cool down heat conduction silica gel piece 821, when backup pad 74 moves down, thereby effectively improved heat conduction silica gel piece 821's cooling rate, and then improve low-voltage capacitor 3's radiating efficiency, utilize wind spring 741 to make axis of rotation drive disc 81 reverse rotation, continue to remove dust low-voltage capacitor 3, improve the quality of removing dust, thereby make the axis of rotating drive disc 81
When the temperature sensor 31 senses that the temperature in the low-voltage capacitor 3 is high, the data is fed back to the single chip microcomputer 2, if the data is higher than the set value of the single chip microcomputer 2, the low-voltage capacitor 3 is automatically disconnected, if the data is lower than the set value of the single chip microcomputer 2, the low-voltage capacitor 3 normally works, and the heat dissipation module 7 and the dust removal module 8 work simultaneously, a magnetic shielding layer can be arranged on the shell 1, the transmission path of electromagnetic waves can be cut off, the interference of external electromagnetic waves can be eliminated, when the motor drives the rotating fan 72 to rotate, the electromagnetic valve arranged at the connecting position of the inverted T-shaped supporting frame 71 and the shell 1 is opened, external air is pumped into the inverted T-shaped supporting frame 71, so that the sliding plate 73 is pushed to move upwards, air on the inner side of the inverted T-shaped support frame 71 is discharged through the first air passage 711 and the exhaust hole, on one hand, dust removal is performed on the dust removal module 8, on the other hand, heat dissipation is performed on the low-voltage capacitor 3 through accelerating air flow on the inner side of the shell 1, the rotating fan 72 drives the connecting column 14 to rotate through the linkage belt when rotating, the connecting column 14 enables the rotating spring 6 to rotate, when the rotating spring 6 rotates, a coil of the rotating spring 6 is in contact with one end of the sealing plate 91, so that the sealing plate 91 rotates, the heat dissipation holes are opened to discharge hot air, when the rotating fan 72 stops rotating, the rotating spring 6 stops rotating, the sealing plate 91 seals the heat dissipation holes again under the action of the torsion spring, the sealing performance of the shell 1 is improved, external dust is prevented from entering the inner side of the shell 1, when the rotating fan 72 stops rotating, the electromagnetic valve is closed, thereby take out the inboard to the vertical section of type of falling T support frame 71 through one-way exhaust tube through external cold air, then the rethread air extraction unit 75 shifts the cold air to the inboard of the horizontal section of type of falling T support frame 71, and the inboard of leading-in air flue 711 cools down low voltage capacitor 3 again, guarantees low voltage capacitor 3's normal use.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An intelligent low voltage power capacitor, its characterized in that: the device comprises a shell (1), a singlechip (2), a low-voltage capacitor (3) and a dust removal module (8); a partition plate (11) is arranged inside the shell (1), a limiting lantern ring is fixedly connected to the inner wall of one side, far away from the partition plate (11), of the shell (1), a single chip microcomputer (2) and a low-voltage capacitor (3) are respectively arranged inside the shell (1) corresponding to the two sides of the partition plate (11), heat dissipation holes are uniformly distributed in the wall thickness of one side of the shell (1), and sealing modules (9) are arranged on the inner sides of the heat dissipation holes; the sealing module (9) comprises a sealing plate (91), and the sealing plate (91) is rotatably connected with the inner wall of the heat dissipation hole through a torsion spring; a series circuit is arranged between the singlechip (2) and the low-voltage capacitor (3), and a current sensor (4) and a fuse (5) are arranged on the series circuit; the top of one side, adjacent to the low-voltage capacitor (3), of the partition plate (11) is rotatably connected with one end of the rotating spring (6), the other end of the rotating spring (6) penetrates through the limiting sleeve ring to be fixedly connected with the connecting column (14), and the connecting column (14) is rotatably connected with the bottom plate of the shell (1); the rotating spring (6) is used for poking the sealing module (9) to open; a heat dissipation module (7) is arranged between the low-voltage capacitor (3) and a bottom plate of the shell (1), and a temperature sensor (31) is arranged on the low-voltage capacitor (3); the heat dissipation module (7) comprises an inverted T-shaped support frame (71), a motor, a rotating fan (72), a sliding plate (73), a support plate (74) and a connecting rod; the motor is installed on the inner side of the horizontal section of the inverted T-shaped support frame (71), the motor is in transmission connection with the rotating fan (72), a linkage belt is arranged between the motor and the connecting column (14), a one-way exhaust pipe is arranged on the vertical section of the inverted T-shaped support frame (71), an exhaust unit (75) is further arranged on the inner side of the horizontal section of the inverted T-shaped support frame (71), the exhaust unit (75) is used for cooling the inner side of the horizontal section of the inverted T-shaped support frame (71), a first air passage (711) is formed in the inverted T-shaped support frame (71), exhaust holes are uniformly distributed in the top of the inverted T-shaped support frame (71), and the exhaust holes are communicated with the first air passage (711); the sliding plate (73) is in sliding connection with the vertical section of the inverted T-shaped support frame (71), the top of the sliding plate (73) is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with a support plate (74), and an extrusion spring is sleeved on the connecting rod; the dust removal module (8) is arranged on the top of the support plate (74).
2. An intelligent low voltage power capacitor as claimed in claim 1, wherein: coral sponges (13) are arranged on the inner wall of the top plate of the shell (1), and the coral sponges (13) are connected with a rectangular plate (12) arranged on the shell (1); the positions, corresponding to the fuse (5) and the current sensor (4), of the rotating spring (6) are fixedly connected with a dust removal unit (61); the dust removal unit (61) comprises a funnel-shaped rubber disc (611) and a neutral sponge; the neutral sponge is arranged on the inner side of the funnel-shaped rubber disc (611) and used for cleaning the upper surfaces of the fuse protector (5) and the current sensor (4); the coral sponge (13) is used for adsorbing dust on the surface of the neutral sponge.
3. An intelligent low voltage power capacitor as claimed in claim 1, wherein: the closing module (9) further comprises a dust guard (92); the dustproof plate (92) is hinged to the top of the sealing plate (91), and a connecting spring is arranged between the dustproof plate (92) and the sealing plate (91).
4. An intelligent low voltage power capacitor as claimed in claim 1, wherein: the bottom end of the first air passage (711) is positioned on the inner wall of the top of the horizontal section of the inverted T-shaped support frame (71), and a one-way exhaust valve is arranged at the connecting position of the top of the first air passage (711) and the vertical section of the inverted T-shaped support frame (71).
5. An intelligent low voltage power capacitor as claimed in claim 1, wherein: the heat dissipation module (7) further comprises an air extraction unit (75); the air suction unit (75) comprises a hinged frame (751), an elastic telescopic air bag (752) and an arc-shaped rod (753); the hinged frame (751) is arranged on the inner wall of the inverted T-shaped support frame (71), an elastic telescopic air bag (752) is arranged on the inner side of the hinged frame (751), and an arc-shaped rod (753) is fixedly connected to the hinged frame (751); the arc-shaped rod (753) is used for contacting with the bottom of the sliding plate (73) so as to open the hinge frame (751); a second air passage (712) is formed in the position, corresponding to the elastic telescopic air bag (752), on the wall thickness of the inverted T-shaped support frame (71), one end of the second air passage (712) is communicated with the elastic telescopic air bag (752) through a hose, and the other end of the second air passage (712) is communicated with an inner cavity at the top of the inverted T-shaped support frame (71); when the sliding plate (73) is located at the initial position, the sliding plate (73) is located below the other end of the second air channel (712).
6. An intelligent low voltage power capacitor as claimed in claim 1, wherein: the dust removal module (8) comprises a disc (81), a rotating shaft and a brush (82); the rotating shafts are arranged at the top of the supporting plate (74), the rotating shafts are sleeved with the discs (81), the connecting positions of the bottom ends of the rotating shafts and the supporting plate (74) are provided with coil springs (741), the outer cylindrical surface in the middle of the rotating shafts is wound with the pull ropes (742), and one ends of the pull ropes (742) are fixedly connected with the top of the supporting plate (74); the outer side of the disc (81) is provided with a brush (82), and the tail end of the brush (82) is uniformly provided with a heat-conducting silica gel block (821).
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| CN111463010B (en) * | 2020-04-08 | 2021-10-12 | 义乌市昕闵日用品有限公司 | Alternating current variable frequency capacitor |
| CN111899977B (en) * | 2020-07-28 | 2021-11-26 | 兰州理工大学 | Capacitor capable of quickly cutting off power |
| CN112071340B (en) * | 2020-08-20 | 2022-03-29 | 西咸新区秦汉新城新丝路数字文化科技有限公司 | Automatic ash cleaning storage disk for internet block chain technology research and development |
| CN112071639B (en) * | 2020-11-16 | 2021-02-26 | 南京盈杰信息科技有限公司 | Capacitor capable of automatically cutting off power under high temperature condition |
| CN113921271B (en) * | 2021-09-14 | 2023-01-20 | 益阳市天成源电子有限公司 | Dry-type self-healing high-voltage power capacitor |
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| JP2001111274A (en) * | 1999-10-08 | 2001-04-20 | Tcm Corp | Cooling structure for control apparatus |
| CN105746101B (en) * | 2016-03-10 | 2017-12-22 | 浙江省粮食局直属粮油储备库 | A kind of silo ventilating system air draft mechanism |
| CN106601474B (en) * | 2016-11-14 | 2018-09-28 | 周少霞 | A kind of heat radiating type capacitor apparatus for placing |
| CN106764773A (en) * | 2017-02-13 | 2017-05-31 | 秦皇岛迪特明科技有限公司 | LED street lamp with PC as lamp housing |
| CN107020792A (en) * | 2017-05-21 | 2017-08-08 | 江苏金峰轻工装备有限公司 | A kind of compound dust removal device |
| CN207068652U (en) * | 2017-07-17 | 2018-03-02 | 广州托普电气有限公司 | Capacitor with high-efficient heat dissipation function and protection cover |
| CN208208560U (en) * | 2018-03-16 | 2018-12-07 | 泉州柒望电子科技有限公司 | A kind of metal capacitor |
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Denomination of invention: An Intelligent Low Voltage Power Capacitor Effective date of registration: 20230802 Granted publication date: 20201009 Pledgee: Tongling Wanjiang Rural Commercial Bank Co.,Ltd. Dongdian Branch Pledgor: ANHUI HERO ELECTRONIC SCIENCE AND TECHNOLOGY CO.,LTD. Registration number: Y2023980050675 |
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