CN114374291A - Dustproof brushless motor of high temperature sensing of security - Google Patents
Dustproof brushless motor of high temperature sensing of security Download PDFInfo
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- CN114374291A CN114374291A CN202111317170.9A CN202111317170A CN114374291A CN 114374291 A CN114374291 A CN 114374291A CN 202111317170 A CN202111317170 A CN 202111317170A CN 114374291 A CN114374291 A CN 114374291A
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- fixedly connected
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- brushless motor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 15
- 238000001816 cooling Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/26—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a high-safety temperature-sensing dustproof brushless motor, which belongs to the field of brushless motors and comprises an inner shell, wherein the bottom inside the inner shell is rotatably connected with a motor shaft, heat dissipation grooves are formed in the outer side wall of the inner shell in an array mode, the top end of the inner side of the inner shell is fixedly connected with a humidity sensor, and the bottom of the inner shell is provided with an internal circulation mechanism. According to the invention, by arranging the internal circulation mechanism, when the brushless motor works in outdoor rainy days, the outer shell rotates under the control of the humidity sensor, the inner shell with the heat dissipation groove is sealed, and the sealed inner shell dissipates heat by virtue of the alternating current pipe cooled by cold water, so that the brushless motor can continuously work in rainy days, and the working efficiency is further improved.
Description
Technical Field
The invention discloses a temperature-sensing dustproof brushless motor with high safety, belonging to the field of brushless motors.
Background
The brushless motor, i.e. the brushless dc motor, is composed of a motor body and a driver, and is a typical mechatronic product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron material with high magnetic energy level. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one machine seat number compared with that of a same-capacity three-phase asynchronous motor.
Among the prior art, brushless motor's installation shell leaves certain breach usually and is used for the heat dissipation, but this type of brushless motor when outdoor work meets rainy day, in the rainwater can enter into the motor from the breach, causes the motor to have to stop working, avoids taking place the problem that the short circuit even burns out the motor to reduce work efficiency.
Based on the above, the invention designs the temperature-sensing dustproof brushless motor with high safety so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a temperature-sensing dustproof brushless motor with high safety, and aims to solve the problems that in the prior art, a certain gap is usually reserved on a mounting shell of the brushless motor for heat dissipation, but when the brushless motor works outdoors in rainy days, rainwater enters the motor from the gap, so that the motor has to stop working, the problem of short circuit and even burning of the motor is avoided, and the working efficiency is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a temperature-sensing dustproof brushless motor with high safety comprises an inner shell, wherein the bottom inside the inner shell is rotatably connected with motor shafts, heat dissipation grooves are formed in the outer side wall of the inner shell in an array mode, the top end of the inner side of the inner shell is fixedly connected with a humidity sensor, and the bottom of the inner shell is provided with an internal circulation mechanism;
the inner circulation mechanism comprises a chassis, the chassis is fixedly connected to the bottom of the inner shell, arc-shaped sliding grooves are formed in the top of the chassis in an array mode, arc-shaped sliding rods are fixedly connected in the arc-shaped sliding grooves, arc-shaped sliding blocks are connected to the surfaces of the arc-shaped sliding rods in a sliding mode, reset springs are sleeved on the surfaces of the arc-shaped sliding rods, two ends of each reset spring are fixedly connected with the side wall of the arc-shaped sliding groove and the arc-shaped sliding block respectively, the top ends of the arc-shaped sliding blocks are fixedly connected with an outer shell together, and the inner side wall of the top end of the outer shell is sealed with the outer side wall of the top end of the inner shell and is connected with the outer side wall of the top end of the inner shell in a sliding mode;
the shell is provided with a ventilation groove corresponding to the position of the heat dissipation groove, and the outer side wall of the shell is fixedly communicated with a communication pipe in an array manner;
the bottom of the top end of the inner shell is fixedly connected with an induction magnetic plate, the surface of the induction magnetic plate is sleeved with an induction coil, the bottom of the top end of the outer shell is fixedly connected with an installation block, and a magnet plate is rotatably connected in the installation block;
during operation, among the prior art, certain breach is usually left to brushless motor's installation shell and is used for the heat dissipation, but this type of brushless motor meets when rainy day outdoor work, and the rainwater can be followed breach and is got into in the motor, causes the motor to have to stop working, avoids taking place the problem that the short circuit burns out the motor even to reduce work efficiency's problem, above-mentioned problem can be solved to this technical scheme, and concrete operation is as follows: the external circuit is electrically connected with the induction coil and controlled by the humidity inductor, when the brushless motor runs into rainy days in outdoor work, the humidity inductor is started to electrify the induction coil, so that the induction magnetic plate is electrified and generates magnetic force to attract the magnetic plate, the magnetic plate moves towards the induction magnetic plate and drives the outer shell to rotate along the chassis, the reset spring is compressed to seal the originally exposed heat dissipation groove, the whole inner shell is in a sealed state, the problem that rainwater enters the inner shell to pollute circuits in the inner shell and cause short circuit and burnout of the motor is solved, meanwhile, the alternating current pipe moves to the position of the heat dissipation groove, and as the outer side wall of the alternating current pipe is soaked by the rainwater, the heat exchange between the hot air current in the inner shell and the external rainwater is realized when the hot air current in the inner shell passes through the alternating current pipe, so that the temperature of the air in the inner shell is reduced, and the purpose of heat dissipation is achieved, when the rainwater stops, control through the humidity inductor, make induction coil outage, response magnetic sheet loses magnetic force, under reset spring's effect, the shell rotates, get back to initial position, radiating groove and ventilation duct UNICOM this moment, make the direct UNICOM of shell inside air and outside air, reach the cooling effect, this brushless motor, through setting up the inner loop mechanism, when this brushless motor is at outdoor rainy day during operation, through humidity inductor control, make the shell rotate, the inner shell that will have the radiating groove seals, the inner shell after the seal relies on by cold water cooling's alternating current pipe to dispel the heat, thereby guarantee this brushless motor when rainy day, still can last work, and then work efficiency is improved.
As a further scheme of the invention, a rotary filtering mechanism is arranged in the ventilation groove, the rotary filtering mechanism comprises a filtering barrel, the bottom end of the filtering barrel is fixedly connected with a first rotating shaft, the bottom end of the first rotating shaft is rotatably connected with the bottom end wall of the ventilation groove, the surface of the first rotating shaft is fixedly connected with a first gear, the side surface of the first gear is meshed with a second gear, the bottom end of a second gear shaft is rotatably connected with the bottom of the inner shell, the side surface of the second gear is meshed with an arc rack plate, the arc rack plate is fixedly connected with the surface of a motor shaft, and two side walls of the heat dissipation groove are fixedly connected with cleaning cotton; when the electric fan works, when the electric fan does not rain, some dust powder in the air can enter the inside of the motor to pollute the internal parts of the motor and force the motor to stop working and damage the motor, the rotary filtering mechanism is arranged, when the motor shaft rotates, the second gear rotates through the meshing transmission of the arc-shaped rack plate and the second gear, the first gear rotates through the meshing of the second gear and the first gear, then the filtering barrel rotates, dust in the outside air can be better blocked through the rotary filtering barrel, the dust on the surface of the filtering barrel can be cleaned through the cleaning cotton on two sides during rotation, the air circulation is improved, simultaneously, due to the intermittent driving of the arc-shaped rack plate, each filtering barrel rotates once respectively, so that the air in the inner shell is accelerated to circulate from different directions, and the frequency of the air in the inner shell passing through the alternating current pipe is improved, thereby improving the cooling effect.
As a further scheme of the invention, an accelerated circulation mechanism is arranged in the filter barrel and comprises a sealing cover, the sealing cover is sealed on the top end wall of the filter barrel and is rotatably connected with the top end wall of the filter barrel, the top end of the sealing cover penetrates through and is rotatably connected with a second rotating shaft, the top end of the second rotating shaft is rotatably connected with the top end wall of the ventilation groove, the bottom end of the second rotating shaft is rotatably connected with the bottom end in the filter barrel, an annular rack plate is fixedly connected to the inner side wall of the top end of the filter barrel, a third gear is meshed with the inner side of the annular rack plate, the top end of a third gear shaft is fixedly connected with the sealing cover, a fourth gear is meshed with the side surface of the third gear, the fourth gear is fixedly connected to the surface of the second rotating shaft, and fan blades are fixedly connected to the surface of the second rotating shaft in an array manner; the during operation, when the filter vat rotates, can drive the ring-shaped rack board, because sealed lid and filter vat are connected for rotating, when the meshing transmission of ring-shaped rack board and third gear, third gear revolve, meshing transmission through third gear and fourth gear, make fourth gear revolve, thereby the messenger fixes and rotates the epaxial flabellum rotation of second rotation, and the opposite direction of pivoted direction and filter vat, thereby produce the circulation of relative gas, gaseous mobility in the inner shell has been accelerated, the number of times of air process interchange pipe in the improvement inner shell, thereby the cooling effect has been improved.
As a further scheme of the invention, an L-shaped connecting plate is rotatably connected to the top end of the second gear shaft, the L-shaped connecting plate is fixedly connected to the bottom of the inner shell, a first torsion spring is sleeved on the surface of the second gear shaft, and two ends of the first torsion spring are respectively fixedly connected to the L-shaped connecting plate and the second gear shaft; the during operation, when arc rack plate drive second gear rotates, first torsional spring is compressed, when arc rack plate breaks away from the second gear, first torsional spring resets to make the second gear gyration, make then that the filter vat makes a round trip to take place the rotation repeatedly, thereby improve the air in the inner shell through the number of times of exchanging the pipe and improved the cooling effect.
As a further scheme of the invention, a second torsion spring is sleeved on the surface of the magnet plate, and two ends of the second torsion spring are respectively and fixedly connected with the mounting block and the magnet plate; during operation, through the second torsional spring for rotate at the shell and make, magnetite board and filter vat extrusion make the magnetite board rotate and step down, after breaking away from the filter vat, at the effect of second torsional spring and be in, the magnetite board resets.
As a further scheme of the invention, the inner side wall and the outer side wall of the inner shell are symmetrically and fixedly connected with sponges corresponding to the positions of the radiating grooves, and the front ends of the sponges are attached to the inner side wall of the outer shell; during operation, through setting up the sponge, guarantee can not take place extrusion wear to the filter vat when the shell is rotatory, when leading to the filter vat harm, seal both sides breach, guaranteed the leakproofness of equipment.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the internal circulation mechanism, when the brushless motor works in outdoor rainy days, the outer shell rotates under the control of the humidity sensor, the inner shell with the heat dissipation groove is sealed, and the sealed inner shell dissipates heat by virtue of the alternating current pipe cooled by cold water, so that the brushless motor can continuously work in rainy days, and the working efficiency is further improved.
2. According to the invention, the rotary filtering mechanism is arranged, dust in the outside air can be better blocked by the rotary filtering barrels, the dust on the surface of the filtering barrels can be cleaned by the cleaning cotton on the two sides during rotation, the air circulation is improved, and simultaneously, each filtering barrel rotates once respectively due to the intermittent driving of the arc-shaped rack plate, so that the air in the inner shell is accelerated to circulate from different directions, the frequency of the air in the inner shell passing through the alternating current pipe is improved, and the cooling effect is improved.
3. According to the invention, the flow accelerating mechanism is arranged, so that the fan blades fixed on the second rotating shaft can rotate when the filtering barrel rotates, and the rotating direction is opposite to the direction of the filtering barrel, so that the flow of relative gas is generated, the mobility of the gas in the inner shell is accelerated, the frequency of the gas in the inner shell passing through the alternating current pipe is increased, and the cooling effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the general structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a second schematic view of the overall structure of the present invention (hidden housing);
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is an enlarged view at C of FIG. 4;
FIG. 7 is a view showing the connection of the flow accelerating means in the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises an inner shell 1, a motor shaft 2, a heat dissipation groove 3, a humidity sensor 4, a chassis 5, an arc-shaped sliding groove 6, an arc-shaped sliding rod 7, an arc-shaped sliding block 8, a reset spring 9, an outer shell 10, a ventilation groove 11, an alternating current pipe 12, an induction magnetic plate 13, an induction coil 14, a mounting block 15, a magnet plate 16, a filter barrel 17, a first rotating shaft 18, a first gear 19, a second gear 20, an arc-shaped rack plate 21, cleaning cotton 22, a sealing cover 23, a second rotating shaft 24, an annular rack plate 25, a third gear 26, a fourth gear 27, fan blades 28, an L-shaped connecting plate 29, a first torsion spring 30, a second torsion spring 31 and a sponge 32.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a temperature-sensing dustproof brushless motor with high safety comprises an inner shell 1, wherein the bottom inside the inner shell 1 is rotatably connected with a motor shaft 2, heat dissipation grooves 3 are formed in the outer side wall of the inner shell 1 in an array mode, the top end of the inner side of the inner shell is fixedly connected with a humidity sensor 4, and the bottom of the inner shell 1 is provided with an internal circulation mechanism;
the internal circulation mechanism comprises a chassis 5, the chassis 5 is fixedly connected to the bottom of the inner shell 1, arc-shaped sliding grooves 6 are formed in the top of the chassis 5 in an array mode, arc-shaped sliding rods 7 are fixedly connected into the arc-shaped sliding grooves 6, arc-shaped sliding blocks 8 are slidably connected to the surfaces of the arc-shaped sliding rods 7, reset springs 9 are sleeved on the surfaces of the arc-shaped sliding rods 7, two ends of each reset spring 9 are fixedly connected with the side walls of the arc-shaped sliding grooves 6 and the arc-shaped sliding blocks 8 respectively, the top ends of the arc-shaped sliding blocks 8 are fixedly connected with an outer shell 10 together, and the inner side wall of the top end of the outer shell 10 is sealed with the outer side wall of the top end of the inner shell 1 and is slidably connected with the outer side wall;
a ventilation groove 11 is formed in the position, corresponding to the heat dissipation groove 3, of the shell 10, and an alternating current pipe 12 is fixedly communicated with the outer side wall of the shell 10 in an array mode;
the bottom of the top end of the inner shell 1 is fixedly connected with an induction magnetic plate 13, the surface of the induction magnetic plate 13 is sleeved with an induction coil 14, the bottom of the top end of the outer shell 10 is fixedly connected with an installation block 15, and a magnet plate 16 is rotatably connected in the installation block 15;
during operation, among the prior art, certain breach is usually left to brushless motor's installation shell and is used for the heat dissipation, but this type of brushless motor meets when rainy day outdoor work, and the rainwater can be followed breach and is got into in the motor, causes the motor to have to stop working, avoids taking place the problem that the short circuit burns out the motor even to reduce work efficiency's problem, above-mentioned problem can be solved to this technical scheme, and concrete operation is as follows: the brushless motor is electrically connected with the induction coil 14 through the peripheral circuit and is controlled by the humidity inductor 4, when the brushless motor works outdoors in rainy days, the humidity inductor 4 is started, the induction coil 14 is electrified, the induction magnetic plate 13 is electrified and generates magnetic force to attract the magnetic plate 16, the magnetic plate 16 moves towards the induction magnetic plate 13 and drives the outer shell 10 to rotate along the chassis 5, the reset spring 9 is compressed to seal the originally exposed heat dissipation groove 3, so that the whole inner shell 1 is in a sealed state, the phenomenon that rainwater enters the inner shell 1 to pollute circuits in the inner shell 1 and cause short circuit and burnout of the motor is avoided, meanwhile, the alternating current pipe 12 moves to the position of the heat dissipation groove 3, and as the outer side wall of the alternating current pipe 12 is soaked by the rainwater, when hot airflow in the inner shell 1 passes through the alternating current pipe 12, heat exchange can be carried out with external rainwater, thereby make the inside air temperature of inner shell 1 reduce, reach the heat dissipation purpose, when the rainwater stops, control through humidity inductor 4, make induction coil 14 outage, response magnetic sheet 13 loses magnetic force, under reset spring 9's effect, shell 10 rotates, get back to the initial position, radiating groove 3 and ventilation duct 11 UNICOM this moment, make the direct UNICOM of the inside air of shell 10 and outside air, reach the cooling effect, this brushless motor, through setting up the inner loop mechanism, when this brushless motor is at outdoor rainy day during operation, through humidity inductor 4 control, make shell 10 rotate, will have the inner shell 1 of radiating groove 3 to seal, inner shell 1 after the seal relies on the alternating current pipe 12 by cold water cooling to dispel the heat, thereby guarantee this brushless motor when the rainy day, still can continue work, and then improve work efficiency.
As a further scheme of the invention, a rotary filtering mechanism is arranged in the ventilation groove 11 and comprises a filtering barrel 17, the bottom end of the filtering barrel 17 is fixedly connected with a first rotating shaft 18, the bottom end of the first rotating shaft 18 is rotatably connected with the bottom end wall of the ventilation groove 11, the surface of the first rotating shaft 18 is fixedly connected with a first gear 19, the side surface of the first gear 19 is meshed with a second gear 20, the bottom end of the second gear 20 is rotatably connected with the bottom of the inner shell 1, the side surface of the second gear 20 is meshed with an arc rack plate 21, the arc rack plate 21 is fixedly connected to the surface of the motor shaft 2, and the two side walls of the heat dissipation groove 3 are fixedly connected with cleaning cotton 22; when the electric fan works, when the electric fan does not rain, some dust powder in the air can enter the inside of the motor to pollute the internal parts of the motor and force the motor to stop working and damage the motor, the rotary filtering mechanism is arranged, when the motor shaft 2 rotates, the second gear 20 rotates through the meshing transmission of the arc-shaped rack plate 21 and the second gear 20, the first gear 19 rotates through the meshing of the second gear 20 and the first gear 19, then the filtering barrel 17 rotates, dust in the outside air can be better blocked through the rotary filtering barrel 17, the dust on the surface of the filtering barrel 17 can be cleaned through the cleaning cotton on two sides during rotation, the air circulation is improved, meanwhile, because the arc-shaped rack plate 21 is intermittently driven, each filtering barrel 17 rotates once respectively, and the air in the inner shell 1 is accelerated to circulate from different directions, the frequency of air passing through the alternating current pipe 12 in the inner shell 1 is increased, so that the cooling effect is improved.
As a further scheme of the invention, an accelerated circulation mechanism is arranged in the filter barrel 17, the accelerated circulation mechanism comprises a sealing cover 23, the sealing cover 23 is sealed on the top end wall of the filter barrel 17 and is rotatably connected with the top end wall of the filter barrel 17, the top end of the sealing cover 23 penetrates through and is rotatably connected with a second rotating shaft 24, the top end of the second rotating shaft 24 is rotatably connected with the top end wall of the ventilation groove 11, the bottom end of the second rotating shaft 24 is rotatably connected with the bottom end inside the filter barrel 17, an annular rack plate 25 is fixedly connected on the inner side wall of the top end of the filter barrel 17, a third gear 26 is meshed with the inner side of the annular rack plate 25, the top end of the shaft of the third gear 26 is fixedly connected with the sealing cover 23, a fourth gear 27 is meshed with the side surface of the third gear 26, the fourth gear 27 is fixedly connected on the surface of the second rotating shaft 24, and fan blades 28 are fixedly connected on the surface array of the second rotating shaft 24; the during operation, when filter vat 17 rotates, can drive annular rack plate 25, because sealed lid 23 and filter vat 17 are for rotating the connection, when the meshing transmission of annular rack plate 25 and third gear 26, third gear 26 rotates, through the meshing transmission of third gear 26 and fourth gear 27, make fourth gear 27 rotate, thereby make and fix the flabellum 28 rotation on second axis of rotation 24, and the opposite direction of pivoted direction and filter vat 17, thereby produce the circulation of relative gas, gaseous mobility in inner shell 1 has been accelerated, the number of times of air process alternating current pipe 12 in the improvement inner shell 1, thereby the cooling effect has been improved.
As a further scheme of the present invention, an L-shaped connecting plate 29 is rotatably connected to the top end of the second gear 20, the L-shaped connecting plate 29 is fixedly connected to the bottom of the inner casing 1, a first torsion spring 30 is sleeved on the surface of the second gear 20, and two ends of the first torsion spring 30 are respectively fixedly connected to the L-shaped connecting plate 29 and the second gear 20; during operation, when arc rack plate 21 drive second gear 20 rotated, first torsional spring 30 was compressed, when arc rack plate 21 breaks away from second gear 20, first torsional spring 30 resets to make second gear 20 gyration, make filter vat 17 make a round trip to take place the rotation repeatedly then, thereby improve the number of times of air process interchange pipe 12 in inner shell 1 and improved the cooling effect.
As a further scheme of the present invention, a second torsion spring 31 is sleeved on the surface of the magnet plate 16, and two ends of the second torsion spring 31 are respectively fixedly connected with the mounting block 15 and the magnet plate 16; during operation, the second torsion spring 31 enables the shell 10 to rotate, the magnet plate 16 and the filter barrel 17 are extruded, the magnet plate 16 rotates to move away, and after the magnet plate is separated from the filter barrel 17, the magnet plate 16 is reset under the action of the second torsion spring 31.
As a further scheme of the invention, the inner and outer side walls of the inner shell 1 are symmetrically and fixedly connected with sponges 32 corresponding to the positions of the heat dissipation grooves 3, and the front ends of the sponges 32 are attached to the inner side wall of the outer shell 10; during operation, through setting up sponge 32, guarantee can not take place extrusion wear to filter vat 17 when shell 10 is rotatory, when leading to the harm of filter vat 17, seal the breach in both sides, guaranteed the leakproofness of equipment.
The working principle is as follows: when the brushless motor runs into rain in outdoor work, the humidity sensor 4 is started to electrify the induction coil 14, so that the induction magnetic plate 13 is electrified and generates magnetic force to attract the magnetic plate 16, the magnetic plate 16 moves towards the induction magnetic plate 13 and drives the outer shell 10 to rotate along the chassis 5, the reset spring 9 is compressed to seal the originally exposed heat dissipation groove 3, so that the whole inner shell 1 is in a sealed state, meanwhile, the alternating current pipe 12 moves to the position of the heat dissipation groove 3, as the outer side wall of the alternating current pipe 12 is soaked by rainwater, hot air in the inner shell 1 can exchange heat with external rainwater when passing through the alternating current pipe 12, so that the temperature of air in the inner shell 1 is reduced, the heat dissipation purpose is achieved, when the rainwater stops, the control by the humidity sensor 4 is carried out, make induction coil 14 outage, induction magnetic plate 13 loses magnetic force, and under reset spring 9's effect, shell 10 rotates, gets back to initial position, and radiating groove 3 and ventilation groove 11 UNICOM make the direct UNICOM of shell 10 inside air and outside air, reach the cooling effect this moment.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a dustproof brushless motor of high temperature sensing of security, includes inner shell (1), its characterized in that: the motor shaft (2) is rotatably connected to the bottom inside the inner shell (1), heat dissipation grooves (3) are formed in the outer side wall of the inner shell (1) in an array mode, a humidity sensor (4) is fixedly connected to the top end of the inner side of the inner shell, and an inner circulation mechanism is arranged at the bottom of the inner shell (1);
the inner circulation mechanism comprises a chassis (5), the chassis (5) is fixedly connected to the bottom of the inner shell (1), arc sliding grooves (6) are formed in the top of the chassis (5) in an array mode, arc sliding rods (7) are fixedly connected in the arc sliding grooves (6), arc sliding blocks (8) are connected to the surfaces of the arc sliding rods (7) in a sliding mode, reset springs (9) are sleeved on the surfaces of the arc sliding rods (7), two ends of each reset spring (9) are fixedly connected with the side walls of the arc sliding grooves (6) and the arc sliding blocks (8) respectively, the top ends of the arc sliding blocks (8) are fixedly connected with an outer shell (10) together, and the inner side wall of the top end of the outer shell (10) is sealed with the outer side wall of the top end of the inner shell (1) and is connected with the outer side wall of the top end of the inner shell in a sliding mode;
a ventilation groove (11) is formed in the position, corresponding to the heat dissipation groove (3), of the shell (10), and an alternating current pipe (12) is fixedly communicated with the outer side wall of the shell (10) in an array mode;
the induction magnetic plate is characterized in that an induction magnetic plate (13) is fixedly connected to the bottom of the top end of the inner shell (1), an induction coil (14) is sleeved on the surface of the induction magnetic plate (13), an installation block (15) is fixedly connected to the bottom of the top end of the outer shell (10), and a magnetic plate (16) is rotatably connected to the installation block (15).
2. The brushless motor with temperature sensing and dust prevention function and high safety according to claim 1, wherein: be provided with rotatory filtering mechanism in ventilation groove (11), rotatory filtering mechanism includes filter vat (17), the first axis of rotation (18) of filter vat (17) bottom fixedly connected with, first axis of rotation (18) bottom is rotated with ventilation groove (11) bottom wall and is connected, first axis of rotation (18) fixed surface is connected with first gear (19), first gear (19) side meshing has second gear (20), second gear (20) axle bottom is rotated with inner shell (1) bottom and is connected, second gear (20) side meshing has arc rack plate (21), arc rack plate (21) fixed connection is on motor shaft (2) surface, radiating groove (3) both sides wall fixedly connected with clearance cotton (22).
3. The brushless motor with high safety and temperature sensing and dust prevention as claimed in claim 2, wherein: the utility model discloses a ventilation device, including filter vat (17), be provided with circulation mechanism with higher speed in the filter vat (17), circulation mechanism with higher speed includes sealed lid (23), sealed lid (23) seal on with filter vat (17) top wall to rotate with filter vat (17) top wall and be connected, sealed lid (23) top is run through and is rotated and be connected with second axis of rotation (24), second axis of rotation (24) top is rotated with ventilation groove (11) top wall and is connected, wherein second axis of rotation (24) bottom is rotated with the inside bottom of filter vat (17) and is connected, fixedly connected with annular rack plate (25) on the inside wall of filter vat (17) top, the inboard meshing of annular rack plate (25) has third gear (26), third gear (26) axle top and sealed lid (23) fixed connection, third gear (26) side meshing has fourth gear (27), fourth gear (27) fixed connection is on second axis of rotation (24) surface, the surface of the second rotating shaft (24) is fixedly connected with fan blades (28) in an array mode.
4. The brushless motor with high safety and temperature sensing and dust prevention as claimed in claim 2, wherein: second gear (20) top of the axle rotates and is connected with L shape connecting plate (29), L shape connecting plate (29) and inner shell (1) bottom fixed connection, second gear (20) axle surface has cup jointed first torsional spring (30), first torsional spring (30) both ends respectively with L shape connecting plate (29), second gear (20) axle fixed connection.
5. The brushless motor with temperature sensing and dust prevention function and high safety according to claim 1, wherein: the surface of the magnet plate (16) is sleeved with a second torsion spring (31), and two ends of the second torsion spring (31) are fixedly connected with the mounting block (15) and the magnet plate (16) respectively.
6. The brushless motor with high safety and temperature sensing and dust prevention as claimed in claim 2, wherein: the inner side wall and the outer side wall of the inner shell (1) correspond to the heat dissipation grooves (3) and are fixedly connected with sponges (32) in a symmetrical mode, and the front ends of the sponges (32) are attached to the inner side wall of the outer shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317170.9A CN114374291B (en) | 2021-11-09 | 2021-11-09 | High-safety temperature-sensing dustproof brushless motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317170.9A CN114374291B (en) | 2021-11-09 | 2021-11-09 | High-safety temperature-sensing dustproof brushless motor |
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| CN114374291A true CN114374291A (en) | 2022-04-19 |
| CN114374291B CN114374291B (en) | 2024-01-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203574477U (en) * | 2013-12-06 | 2014-04-30 | 宁波恒特汽车零部件有限公司 | Dustproof motor |
| WO2016173188A1 (en) * | 2015-04-30 | 2016-11-03 | 中山大洋电机股份有限公司 | Motor having rain shield |
| CN111817147A (en) * | 2020-08-13 | 2020-10-23 | 窦晨阳 | Outdoor rainproof type electric power cabinet |
| CN111816408A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Outdoor transformer |
| CN112271854A (en) * | 2020-10-15 | 2021-01-26 | 淮南纳创电力工程有限公司 | Aluminum alloy die casting |
| CN112865429A (en) * | 2020-04-07 | 2021-05-28 | 刘书德 | Six-phase alternating current motor variable frequency speed regulation system and use method thereof |
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2021
- 2021-11-09 CN CN202111317170.9A patent/CN114374291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203574477U (en) * | 2013-12-06 | 2014-04-30 | 宁波恒特汽车零部件有限公司 | Dustproof motor |
| WO2016173188A1 (en) * | 2015-04-30 | 2016-11-03 | 中山大洋电机股份有限公司 | Motor having rain shield |
| CN112865429A (en) * | 2020-04-07 | 2021-05-28 | 刘书德 | Six-phase alternating current motor variable frequency speed regulation system and use method thereof |
| CN111816408A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Outdoor transformer |
| CN111817147A (en) * | 2020-08-13 | 2020-10-23 | 窦晨阳 | Outdoor rainproof type electric power cabinet |
| CN112271854A (en) * | 2020-10-15 | 2021-01-26 | 淮南纳创电力工程有限公司 | Aluminum alloy die casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114374291B (en) | 2024-01-19 |
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