CN117937828B - Motor cooling structure - Google Patents
Motor cooling structure Download PDFInfo
- Publication number
- CN117937828B CN117937828B CN202410092268.6A CN202410092268A CN117937828B CN 117937828 B CN117937828 B CN 117937828B CN 202410092268 A CN202410092268 A CN 202410092268A CN 117937828 B CN117937828 B CN 117937828B
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- China
- Prior art keywords
- heat dissipation
- sleeve
- dissipation fin
- rod
- elastic telescopic
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- 238000001816 cooling Methods 0.000 title claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 123
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 230000009471 action Effects 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 33
- 239000000428 dust Substances 0.000 abstract description 13
- 238000009825 accumulation Methods 0.000 abstract description 7
- 238000007790 scraping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- 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
-
- 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
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor cooling structure which comprises a motor body, wherein a heat dissipation shell is arranged on the motor body, a heat dissipation fin plate and a cleaning frame which are uniformly distributed in the circumferential direction are hinged to the peripheral wall of the heat dissipation shell, the heat dissipation fin plate and the cleaning frame are alternately arranged, and a cleaning rod which is propped against one side of the heat dissipation fin plate is fixedly arranged on the side of the free end of the cleaning frame. According to the invention, the periphery wall of the heat dissipation shell is provided with a circle of heat dissipation fin plates and the cleaning frames which are distributed alternately, wherein the cleaning frames are provided with the cleaning rods which are low in side direction with the heat dissipation fin plates, the heat dissipation fin plates are in rotary connection with the cleaning frames and the heat dissipation shell, when the heat dissipation fin plates are folded, one sides of the heat dissipation fin plates are in a hidden state, dust accumulation and adhesion can be effectively avoided, and when the heat dissipation fin plates are unfolded, the heat dissipation efficiency of the heat dissipation shell can be improved, and meanwhile, dust accumulation and adhesion on the other sides of the heat dissipation fin plates can be cleaned, so that the cooling structure enables the operation of the small motor to be more reliable and durable.
Description
Technical Field
The invention relates to the technical field of motor cooling, in particular to a motor cooling structure.
Background
The motor is a device for converting electric energy into mechanical energy, and in continuous operation, overheat phenomenon easily occurs, and shutdown protection is triggered or the motor is damaged when overheat occurs. The motor is divided into air cooling (including air cooling) and liquid cooling according to a cooling mode, a cooling structure of the motor generally comprises a radiator, a cooler, cooling liquid, a pump, a control box and the like, the motor comprises a large motor and a small motor according to a use place and a specification of the motor, the large motor is generally matched with the radiator, the cooler, the cooling liquid, the pump and the control box, and the small motor is generally cooled naturally and dissipates heat in an air cooling mode.
At present, a motor used for electrical appliances is usually a small motor, the motor usually works in a narrow space, a common cooling structure is a radiating fin, but the problem that the small motor cannot work normally due to overheating easily occurs in the using process, the motor needs to be stopped at regular time for cooling down for continuous operation, the problem that the radiating effect of the small motor is poor is observed that a large amount of dust is easily accumulated on the radiating fin arranged on the periphery of a motor radiating shell (shell), the quantity of the radiating fins is large, the arrangement is compact, a layer of dust accumulation and adhesion can be accumulated on the radiating fin after the small motor is used for a long time, the heat dissipation of the whole small motor can be affected, and a motor with a self dust accumulation cleaning and adhesion protection cooling structure is urgently needed in the market.
To this end, the invention proposes a motor cooling structure.
Disclosure of Invention
The invention aims at: in order to solve the problems mentioned in the background art, a motor cooling structure is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a motor cooling structure, includes the motor body, be provided with the radiating shell on the motor body, the periphery wall of radiating shell articulates and is connected with circumference evenly distributed's radiating fin and clean frame, radiating fin and clean frame are alternate setting, the fixed clean pole that supports with radiating fin one side and press of free end avris of clean frame, the cover is equipped with the synchronous drive group that is located radiating fin one end on the radiating shell, and circumference evenly distributed's radiating fin synchronous rotation under the effect of this synchronous drive group, the outside of radiating shell is provided with the control combination of controlling radiating fin wobbling temperature control through synchronous drive group.
As a further description of the above technical solution:
The outer peripheral wall of the heat dissipation shell is fixedly connected with a hinge seat I and a hinge seat II positioned at one side of the hinge seat I, two ends of the heat dissipation fin plate are fixedly connected with a connecting shaft I which is close to one long side and is rotationally connected with the hinge seat, the cleaning rack is characterized in that two ends of the cleaning rack are fixedly connected with a second connecting shaft far away from the cleaning rod, the second connecting shaft is rotationally connected with a second hinging seat, and a torsion spring is arranged at the rotational connection position.
As a further description of the above technical solution:
the cleaning frame comprises a transverse shaft and a row of L-shaped connecting rods fixedly connected with the peripheral wall of the transverse shaft and arranged along the axial direction, the long side ends of the L-shaped connecting rods are connected with the transverse shaft, the short side ends of the L-shaped connecting rods are fixedly connected with the cleaning rods, one side of the heat dissipation fin plate is penetrated and provided with a row of vent holes arranged along the length direction, and the corners of the L-shaped connecting rods are positioned in the vent holes.
As a further description of the above technical solution:
the cross section of the heat dissipation fin plate is arc-shaped, the outer arc surface of the heat dissipation fin plate abuts against the cleaning rod, and scraping strips which are uniformly distributed in the circumferential direction are fixedly connected to the peripheral wall of the cleaning rod.
As a further description of the above technical solution:
The synchronous drive group comprises an outer gear ring and a gear, the outer gear ring is sleeved outside the heat dissipation shell and is rotationally connected with the heat dissipation shell, and the gear is fixedly connected with one end of the first connecting shaft and meshed with the outer gear ring.
As a further description of the above technical solution:
The temperature control combination comprises an elastic telescopic rod and a magnetic temperature control group for controlling the telescopic action of the elastic telescopic rod, wherein the elastic telescopic rod is fixedly arranged on the peripheral wall of the heat dissipation shell, and the action end of the elastic telescopic rod is fixedly connected with one side of the outer gear through a fixed rod.
As a further description of the above technical solution:
The elastic telescopic rod comprises a sleeve, a reset spring and an action rod, wherein one end of the action rod is sleeved on one end of the sleeve, the reset spring is located in the sleeve, the reset spring enables the elastic telescopic rod to have a stretching trend, the magnetic temperature control group comprises an electromagnet, an iron block, a temperature sensor and a singlechip, the electromagnet and the iron block are arranged in the sleeve and are fixedly connected with the inner wall of the sleeve and one end of the action rod respectively, the temperature sensor is fixedly arranged on the peripheral wall of the heat dissipation shell, and the singlechip is arranged in the sleeve.
As a further description of the above technical solution:
the elastic telescopic rod comprises a sleeve, a reset spring and an action rod, wherein one end of the action rod is sleeved on one end of the sleeve, the reset spring is located in the sleeve, the reset spring enables the elastic telescopic rod to have a shrinkage trend, the magnetic temperature control group comprises a magnet plate and a magnet block, the magnet plate and the magnet block are arranged in the sleeve and are respectively fixedly connected with one end of the sleeve and one side of the action rod, and one side of the sleeve is attached to one side of the heat dissipation shell and provided with a heat conduction hole.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. According to the invention, the periphery wall of the heat dissipation shell is provided with a circle of heat dissipation fin plates and the cleaning frames which are distributed alternately, wherein the cleaning frames are provided with the cleaning rods which are low in the side direction of the heat dissipation fin plates, the heat dissipation fin plates are rotationally connected with the cleaning frames and the heat dissipation shell, one sides of the heat dissipation fin plates are in a hidden state when the heat dissipation fin plates are folded, so that dust accumulation and adhesion can be effectively avoided, the heat dissipation efficiency of the heat dissipation shell can be improved when the heat dissipation fin plates are unfolded, and meanwhile, dust accumulation and adhesion on the other sides of the heat dissipation fin plates can be cleaned, so that the cooling structure enables the operation of the small motor to be more reliable and durable.
2. According to the invention, the temperature control combination and the synchronous driving group are arranged, wherein the temperature control combination comprises the electromagnet, the elastic telescopic rod, the iron block, the temperature sensor and the singlechip, and the arrangement ensures that the rotation of the heat dissipation fin plate can be automatically controlled according to the temperature on the heat dissipation shell without manual control, so that the heat dissipation fin plate has the advantages of automatically cooling and removing dust and adherents.
3. According to the invention, the magnet plate and the iron block are arranged on the temperature control combination, and the principle that the magnetic attraction force and the temperature of the magnet block are inversely proportional is utilized, namely, the higher the temperature of the magnet block in the environment is, the magnetic force of the magnet block is reduced, according to the principle, the control structure for automatically cooling and removing dust deposit of the motor body is simpler, the occupied space is smaller, and the motor is suitable for cooling and radiating of smaller motors for electric appliances.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation fin plate of a motor cooling structure according to the present invention after being unfolded;
fig. 2 is a schematic structural diagram of a folded heat dissipation fin plate of a motor cooling structure according to the present invention;
FIG. 3 is a front view of FIG. 1;
Fig. 4 is a front view of fig. 2;
FIG. 5 is an enlarged schematic view of the portion "a" of FIG. 1;
FIG. 6 is an enlarged schematic view of the portion "b" of FIG. 2;
Fig. 7 is a schematic structural diagram of a motor cooling structure after explosion expansion of a single heat dissipation fin;
FIG. 8 is an enlarged schematic view of a portion "c" of FIG. 7;
Fig. 9 is a sectional view of a temperature control combination of a motor cooling structure according to the present invention corresponding to embodiment 1;
Fig. 10 is a sectional view of a temperature control combination of a motor cooling structure according to the present invention corresponding to embodiment 2.
Legend description:
1. A heat dissipation housing; 11. a hinge seat I; 12. a hinge seat II; 2. a heat dissipation fin; 21. a first connecting shaft; 22. a vent hole slit; 3. a cleaning rack; 301. a horizontal axis; 302. an L-shaped connecting rod; 31. a second connecting shaft; 4. a cleaning lever; 41. scraping the strip; 5. a synchronous driving group; 51. an outer ring gear; 52. a gear; 6. a temperature control combination; 61. an elastic telescopic rod; 601. a sleeve; 6011. a heat conduction hole; 602. a return spring; 603. an action bar; 611. a fixed rod; 62. a magnetic temperature control group; 621. an electromagnet; 622. iron blocks; 623. a temperature sensor; 624. a single chip microcomputer; 625. a magnet plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-9, a motor cooling structure includes a motor body, a heat dissipation housing 1 is disposed on the motor body, the heat dissipation housing 1 is usually made of aluminum alloy, a stator winding is installed in the heat dissipation housing 1, and when the motor works, the heat dissipation housing dissipates heat through an outer wall and/or heat dissipation fins on the outer wall, so as to ensure normal and durable operation of the motor.
In this technical scheme, the periphery wall of radiator case 1 articulates and is connected with circumference evenly distributed's radiator fin 2 and clean frame 3, radiator fin 2 and clean frame 3 are all parallel with the axis of radiator case 1, wherein radiator fin 2 and clean frame 3 are alternate setting, concretely, radiator case 1's periphery wall fixedly connected with articulated seat one 11 and be located articulated seat two 12 of articulated seat one 11 side, radiator fin 2's both ends fixedly connected with is close to a long limit side and with articulated seat one 11 swivelling joint's connecting axle one 21, clean frame 3's both ends fixedly connected with keep away from the connecting axle two 31 of clean pole 4, this connecting axle two 31 and articulated seat two 12 swivelling joint just are provided with torsional spring (not shown in the figure) in the junction of turning, drive clean frame 3 swivelling during the effect of torsional spring, wherein radiator fin 2 is in hidden state to the outer wall direction of radiator case 1 when it is relative with radiator case 1, this hidden face is difficult for forming dust deposit and adhesion, on the contrary, fin 2 then is in the radiating state.
A cleaning rod 4 which is pressed against one side of the heat dissipation fin plate 2 is fixedly arranged on the free end side of the cleaning frame 3, the pressing effect is provided by the torsion spring, and the cleaning rod 4 has the function of cleaning dust and adherents on the non-hidden surface of the heat dissipation fin plate 2, namely, when the heat dissipation fin plate 2 swings, the cleaning rod 4 can scrape the non-hidden surface of the heat dissipation fin plate 2. Specifically, the cleaning rack 3 includes a transverse shaft 301 and a row of L-shaped connecting rods 302 fixedly connected to the peripheral wall of the transverse shaft 301 and arranged along the axial direction, where two ends of the transverse shaft 301 are fixedly connected to the second connecting shaft 31, a long side end of the L-shaped connecting rod 302 is connected to the transverse shaft 301, and a short side end of the L-shaped connecting rod is fixedly connected to the cleaning rod 4, one side of the heat dissipation fin 2 is penetrated and provided with a row of vent holes 22 arranged along the length direction, and the vent holes 22 are used for increasing the contact area between the heat dissipation fin 2 and external air flow and playing a role in improving the heat dissipation effect. Wherein the corner of the L-shaped connecting rod 302 is located in the vent hole 22, the thickness of the L-shaped connecting rod 302 is equal to that of the vent hole 22, and when the fin 2 swings, the corner of the L-shaped connecting rod 302 can clear the blockage in the vent hole 22.
In this embodiment, the cross section of the heat dissipation fin plate 2 is arc-shaped and its outer arc surface abuts against the cleaning rod 4, and this arrangement aims to provide a certain heat dissipation space between the heat dissipation fin plate 2 and the heat dissipation housing 1 when the heat dissipation fin plate 2 approaches the heat dissipation housing 1, so that the normal heat dissipation of the heat dissipation housing 1 is not affected. The peripheral wall of the cleaning rod 4 is fixedly connected with scraping strips 41 which are uniformly distributed in the circumferential direction, and the scraping strips 41 have the function of cleaning the adhesion objects on the non-hidden surface of the heat dissipation fin plate 2 more thoroughly.
The synchronous driving group 5 positioned at one end of the heat dissipation fin plate 2 is sleeved on the heat dissipation shell 1, the heat dissipation fin plates 2 uniformly distributed in the circumferential direction synchronously rotate under the action of the synchronous driving group 5, and the structure of the synchronous driving group 5 is not suitable to be oversized because the electric motor for the electric appliance is of a small-volume structure. Specifically, the synchronous driving set 5 includes an external gear ring 51 and a gear 52, the external gear ring 51 is sleeved outside the heat dissipation housing 1 and is rotationally connected, one end of the gear 52 and one end of the connecting shaft 21 are fixedly connected and meshed with the external gear ring 51, and therefore when the external gear ring 51 is controlled to rotate, the heat dissipation fin plates 2 on the periphery of the heat dissipation housing 1 synchronously rotate under the transmission of the gear 52.
The outside of the heat dissipation shell 1 is provided with a temperature control combination 6 for controlling the swinging of the heat dissipation fin plates 2 through the synchronous driving group 5, the temperature control combination 6 has the function of controlling the rotation of the outer gear ring 51 according to the temperature on the heat dissipation shell 1, and the highest temperature of the motor in normal work at the temperature, namely, the highest temperature is exceeded, the heat dissipation fin plates 2 are unfolded to improve the heat dissipation efficiency, the normal and durable operation of the motor is ensured, and the heat dissipation fin plates 2 are reset when the temperature is lowered, so that the aim of the control is to avoid dust accumulation and adhesion on the heat dissipation fin plates 2.
Specifically, the temperature control assembly 6 includes an elastic telescopic rod 61 and a magnetic temperature control group 62 for controlling the telescopic action of the elastic telescopic rod 61, and the magnetic temperature control group 62 uses magnetic attraction force to control the telescopic action of the elastic telescopic rod 61. The elastic telescopic rod 61 is fixedly arranged on the outer peripheral wall of the heat dissipation shell 1, the action end of the elastic telescopic rod 61 is fixedly connected with one side of the outer gear ring 51 through the fixing rod 611, and the elastic telescopic rod 61 can drive the outer gear ring 51 to rotate through the fixing rod 611 when being telescopic, and it is pointed out that the fixing rod 611 can be arc-shaped and the movement track is arc-shaped, so that the outer gear ring 51 can be effectively driven to rotate. It should be noted that, since the pitch diameter of the outer ring gear 51 is much larger than that of the gear 52, the gear 52 rotates one turn or even several turns when the outer ring gear 51 rotates at a small angle.
Further, the elastic telescopic rod 61 includes a sleeve 601, a return spring 602, and an actuating rod 603 with one end sleeved on one end of the sleeve 601, the return spring 602 is located in the sleeve 601, the return spring 602 makes the elastic telescopic rod 61 have a stretching trend, the specific implementation structure of this embodiment is that the return spring 602 is located in the sleeve 601 and one end of the return spring 602 abuts against one end of the actuating rod 603 located in the sleeve 601, in a natural state (when the motor body is in a cold state), the elastic telescopic rod 61 is in a stretched state, and when the elastic telescopic rod 61 is stretched, the heat dissipation fin plate 2 is in a state close to the heat dissipation shell 1.
The magnetic temperature control group 62 comprises an electromagnet 621, an iron block 622, a temperature sensor 623 and a single-chip microcomputer 624, wherein the electromagnet 621 and the iron block 622 are arranged in the sleeve 601 and are fixedly connected with the inner wall of the sleeve 601 and one end of the action rod 603 respectively, the single-chip microcomputer 624 is electrically connected with the electromagnet 621 and the temperature sensor 623, the electromagnet 621 generates magnetic attraction after being electrified, the magnetic attraction is controlled by current, the iron block 622 can be attracted, the action rod 603 can move into the sleeve 601 in a small stroke manner, the elastic telescopic rod 61 is contracted at the moment, the reset spring 602 is compressed, the heat dissipation fin plate 2 is unfolded, and the heat dissipation efficiency is improved. The temperature sensor 623 is fixedly arranged on the peripheral wall of the heat dissipation housing 1, the temperature sensor 623 is used for monitoring the temperature of the outer surface of the heat dissipation housing 1, when the temperature exceeds a value set by the singlechip 624, the electromagnet 621 is electrified to generate magnetic force, the singlechip 624 is arranged in the sleeve 601, the sleeve 601 plays a role in protecting the singlechip 624 and the electromagnet 621, and in the embodiment, the sleeve 601 is made of a heat-insulating material. It should be noted that, in this embodiment, the cooling structure including the characteristics of the electromagnet 621 and the singlechip 624 is suitable for an electric motor with a larger volume and a higher working limit temperature.
Example 2
Referring to fig. 10, the difference between the present embodiment and embodiment 1 is that the present embodiment does not use an electromagnet 621, a singlechip 624, and a temperature sensor 623, in the present embodiment, the elastic telescopic rod 61 includes a sleeve 601, a return spring 602, and a motion rod 603 with one end sleeved at one end of the sleeve 601, the return spring 602 is located in the sleeve 601, the return spring 602 makes the elastic telescopic rod 61 have a shrinking trend (the elastic telescopic rod 61 accessory naturally shrinks), the magnetic temperature control group 62 includes a magnet plate 625 and an iron block 622, the magnet plate 625 and the iron block 622 are disposed in the sleeve 601 and are fixedly connected with one end of the sleeve 625 and one side of the motion rod 603 respectively, when the magnet plate 625 adsorbs the iron block 622, the elastic telescopic rod 61 stretches, the return spring 602 compresses, one side of the sleeve 601 is attached to one side of the heat dissipation shell 1 and is provided with a heat conducting hole 6011, when the outer peripheral wall 6011 heats, the heat is conducted to the periphery of the magnet plate 625 through the hole 6011, and the heat dissipation efficiency can be improved by the magnetic force of the magnet plate 625 and the heat dissipation plate 625, and the heat dissipation efficiency can be improved when the heat dissipation plate 625 is stretched, and the heat dissipation efficiency is further improved, and the heat dissipation efficiency can be improved by stretching the heat dissipation plate 2. When the temperature of the heat dissipation case 1 is lowered, the magnetic attraction force of the magnet plate 625 is increased, the iron block 622 is attracted again, the elastic expansion rod 61 is expanded, and the heat dissipation fin plate 2 is in a state of being close to the heat dissipation case 1. The magnets are divided into a low magnetic force magnet, a medium magnetic force magnet and a strong magnetic force magnet according to different materials, and the heat-resistant temperature of the three types of magnets is in a small and large state.
Working principle: the principle is explained by the technical scheme of embodiment 1, when the motor body is normally started to rotate, the heat dissipation shell 1 dissipates heat outwards, wherein the folded heat dissipation fin plate 2 and the cleaning frame 3 are both supported by adopting aluminum alloy materials and have heat dissipation functions, when the temperature of the outer surface wall of the heat dissipation shell 1 is over-limited, the temperature sensor 623 sends a signal to the singlechip 624, the singlechip 624 controls an external power supply to electrify the electromagnet 621, the electromagnet 621 generates magnetic attraction and attracts the iron block 622, the action rod 603 slides into the sleeve 601 at the moment, the reset spring 602 compresses, the fixing rod 611 drives the outer gear ring 51 to rotate, the gear 52 drives the heat dissipation fin plate 2 to rotate to an unfolding state, and in the unfolding process, the scraping strip 41 cleans dust and adherends on the non-hiding surface of the heat dissipation fin plate 2. When the temperature of the heat dissipation shell 1 is reduced, the electromagnet 621 is powered off, the reset spring 602 is reset, the action rod 603 slides out of the sleeve 601, and the heat dissipation fin plate 2 is driven to be folded and reset.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a motor cooling structure, includes the motor body, be provided with heat dissipation shell (1) on the motor body, a serial communication port, the periphery wall hinge connection of heat dissipation shell (1) has circumference evenly distributed's heat dissipation fin (2) and clean frame (3), heat dissipation fin (2) and clean frame (3) are alternate setting, the free end avris of clean frame (3) is fixed to be provided with clean pole (4) of heat dissipation fin (2) one side butt pressure, the cover is equipped with synchronous drive group (5) that are located heat dissipation fin (2) one end on heat dissipation shell (1), and the synchronous rotation of heat dissipation fin (2) of circumference evenly distributed under the effect of this synchronous drive group (5), the outside of heat dissipation shell (1) is provided with through synchronous drive group (5) control heat dissipation fin (2) wobbling control combination (6), the periphery wall fixedly connected with hinge seat one (11) and the hinge seat two (12) that are located hinge seat one side (11), the both ends that one side (21) are kept away from to clean the fixed connection of connecting shaft (21) of heat dissipation shell (1) are kept away from to one side and are connected with one clean both ends (21), this connecting axle two (31) and articulated seat two (12) rotate to be connected and are provided with the torsional spring in rotation junction, clean frame (3) include cross axle (301) and with cross axle (301) peripheral wall fixed connection and along the one row L shape connecting rod (302) of axial arrangement, the long limit end and the cross axle (301) of L shape connecting rod (302) are connected and its minor face end and clean pole (4) fixed connection, a row of ventilation hole seam (22) of arranging along length direction are run through to one side of heat dissipation wing board (2), the corner of L shape connecting rod (302) is located ventilation hole seam (22), the cross section of heat dissipation wing board (2) is convex and its outer cambered surface and clean pole (4) offset, the peripheral wall fixedly connected with circumference evenly distributed scrapes strip (41) of clean pole (4).
2. A motor cooling structure according to claim 1, characterized in that the synchronous drive group (5) comprises an external gear ring (51) and a gear (52), the external gear ring (51) is sleeved outside the heat dissipation housing (1) and is rotationally connected, and the gear (52) is fixedly connected with one end of the first connecting shaft (21) and is meshed with the external gear ring (51).
3. A motor cooling structure according to claim 2, characterized in that the temperature control assembly (6) comprises an elastic telescopic rod (61) and a magnetic temperature control group (62) for controlling the telescopic action of the elastic telescopic rod (61), the elastic telescopic rod (61) is fixedly arranged on the peripheral wall of the heat dissipation shell (1) and the action end of the elastic telescopic rod is fixedly connected with one side of the outer gear ring (51) through a fixing rod (611).
4. A motor cooling structure according to claim 3, characterized in that the elastic telescopic rod (61) comprises a sleeve (601), a return spring (602) and an action rod (603) with one end sleeved at one end of the sleeve (601), the return spring (602) is located in the sleeve (601), the return spring (602) enables the elastic telescopic rod (61) to have a stretching trend, the magnetic temperature control group (62) comprises an electromagnet (621), an iron block (622), a temperature sensor (623) and a singlechip (624), the electromagnet (621) and the iron block (622) are arranged in the sleeve (601) and are fixedly connected with the inner wall of the sleeve (601) and one end of the action rod (603) respectively, the temperature sensor (623) is fixedly arranged on the outer peripheral wall of the heat dissipation shell (1), and the singlechip (624) is arranged in the sleeve (601).
5. A motor cooling structure according to claim 3, characterized in that the elastic telescopic rod (61) comprises a sleeve (601), a return spring (602) and an action rod (603) with one end sleeved at one end of the sleeve (601), the return spring (602) is located in the sleeve (601), the return spring (602) enables the elastic telescopic rod (61) to have a shrinkage trend, the magnetic temperature control group (62) comprises a magnet plate (625) and an iron block (622), the magnet plate (625) and the iron block (622) are arranged in the sleeve (601) and are fixedly connected with one end in the sleeve (601) and one side of the action rod (603) respectively, and one side of the sleeve (601) is attached to one side of the heat dissipation shell (1) and provided with a heat conducting hole (6011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410092268.6A CN117937828B (en) | 2024-01-23 | 2024-01-23 | Motor cooling structure |
Applications Claiming Priority (1)
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| CN114885594A (en) * | 2022-07-11 | 2022-08-09 | 苏州市华盛源机电有限公司 | High-power heat superconducting plate-fin combined radiator for rail transit |
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| CN210578044U (en) * | 2019-08-27 | 2020-05-19 | 合肥迪美电子科技有限公司 | Air conditioner motor with self-cleaning function |
| CN113477568B (en) * | 2021-07-07 | 2022-09-13 | 研华科技(中国)有限公司 | Convenient cleaning device and cleaning method for industrial control machine |
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| CN114885594A (en) * | 2022-07-11 | 2022-08-09 | 苏州市华盛源机电有限公司 | High-power heat superconducting plate-fin combined radiator for rail transit |
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| 1180 MVA三相一体变压器冷却器在线冲洗研究;刘秀明;河南科技;20200215(第05期);76-78 * |
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