CN212486272U - Efficient heat dissipation motor with current protection - Google Patents
Efficient heat dissipation motor with current protection Download PDFInfo
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- CN212486272U CN212486272U CN202021045457.1U CN202021045457U CN212486272U CN 212486272 U CN212486272 U CN 212486272U CN 202021045457 U CN202021045457 U CN 202021045457U CN 212486272 U CN212486272 U CN 212486272U
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- motor
- motor shell
- rotor
- current protection
- shield
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Abstract
The utility model discloses a high-efficiency heat dissipation motor with current protection, which comprises a rotor, a motor shell, a first shield and a second shield, wherein the rotor is arranged inside the motor shell, two ends of the rotor pass through the motor shell, a brush is arranged on the rotor, the first shield is detachably connected with one end of the motor shell, and the other end of the motor shell is detachably connected with the second shield; the motor is characterized in that a first fan blade, a second fan blade and two air duct plates are further arranged in the motor shell, and vent holes are symmetrically formed in the top and the bottom of the center of the motor shell; the positive and negative wiring ports of the second shield are connected with the current protection device and the electric brush through wires; therefore, the two ends of the motor drive the fan to rotate through the rotation of the rotor, flowing air enters the fan, and heat is dissipated through the air vents, so that the heat dissipation efficiency is improved; meanwhile, the current protection device comprises two metal sheets, the cost is low, and after the circuit is broken, the metal sheets are bonded again after being cooled, so that the circuit can be reconnected without manual operation, and the safety risk is reduced.
Description
Technical Field
The utility model relates to a motor field, specific theory relates to a high-efficient heat dissipation motor of electrified current protection.
Background
The damage of the motor is mainly caused by overheating of a rotor winding coil or reduction of insulation performance, the overheating of the winding coil often causes the damage of the motor, and the existing motor is damaged due to overheating of the winding after working for a long time because the heat dissipation efficiency is insufficient; meanwhile, the excessive current flowing through the winding coil can also cause the overheating of the winding coil and lead to the damage of the winding, but the existing current protection installation and maintenance cost is higher, the installation and replacement efficiency is lower after the damage, and meanwhile, after the current overload circuit is broken, the manual operation is needed again to ensure that the circuit is communicated again.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a high-efficient heat dissipation motor with current protection.
A high-efficiency heat dissipation motor with current protection comprises a rotor, a motor shell, a first blocking cover and a second blocking cover, wherein the rotor is arranged inside the motor shell, two ends of the rotor penetrate through the motor shell, an electric brush is arranged on the rotor, the first blocking cover is detachably connected with one end of the motor shell, and the other end of the motor shell is detachably connected with the second blocking cover; the motor is characterized in that a first fan blade, a second fan blade and two air duct plates are further arranged inside the motor shell, ventilation holes are symmetrically formed in the top and the bottom of the center of the motor shell, the first fan blade is arranged at the joint of the first shield and the motor shell, the second fan blade is arranged at the joint of the second shield and the motor shell, and the air duct plates are respectively arranged between the first shield and the first fan blade and between the second shield and the second fan blade and fixedly connected with the inside of the motor shell; the end part of the second shield is provided with a motor positive wiring port, a motor negative wiring port and a motor grounding wire port, the motor positive wiring port is connected with the electric brush through a first wire, the first wire is connected with a current protection device in series, the current protection device comprises a first metal sheet and a second metal sheet, and the first metal sheet and the second metal sheet are bonded with each other; the negative wiring port of the motor is connected with the electric brush through a second wire, and the ground wire port of the motor is connected with the motor shell through a third wire.
By the utility model discloses a preferred scheme, first fender is covered with first filter screen, and second fender is covered with the second filter screen, is covered with the third filter screen on the ventilation hole.
By the utility model discloses a preferred scheme, the wind trough plate is evenly opened has a plurality of fan-shaped wind-guiding grooves.
The utility model has the advantages that: the two ends of the motor drive the fan to rotate through the rotation of the rotor, flow air enters the fan, and heat dissipation is carried out through the ventilation holes, so that the heat dissipation efficiency is improved; the first metal sheet and the second metal sheet which are mutually bonded are added into the motor circuit, the thermal expansion coefficients of the first metal sheet and the second metal sheet are different, heat energy can be generated when current passes through the first metal sheet and the second metal sheet, the two metal sheets can deform when being heated, the temperature is higher when the current is higher, the deformation is higher, and therefore the two metal sheets are separated, and the purpose of protecting the motor is achieved by power failure; meanwhile, the metal sheet is convenient to replace and install, the installation efficiency is improved, the cost is low, and after the circuit is broken, the metal sheet is bonded again after being cooled, so that the circuit can be communicated again without manual operation, and the safety risk is reduced.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a front view of the present invention:
FIG. 2 is a front view of the first shield:
FIG. 3 is a front view of the second shield;
FIG. 4 is a front view of the duct board;
wherein: the wind power generator comprises a first blocking cover 1, a rotor 2, a motor shell 3, a ventilation hole 4, a current protection device 5, a first lead, a second fan sheet 7, a wind trough plate 8, a second lead 9, a first fan sheet 10, a third filter screen 11, a first filter screen 12, a wind guide groove 13, a motor grounding wire port 14, a motor positive wiring port 15, a motor negative wiring port 16, a second filter screen 17 and a second blocking cover 18.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.
As shown in fig. 1 and 4, a high-efficient heat dissipation motor with current protection comprises a rotor 2, a motor housing 3, a first blocking cover 1 and a second blocking cover 18, wherein the rotor 2 is arranged inside the motor housing 3, the motor housing 3 is penetrated through two ends of the rotor 2, a brush is arranged on the rotor 2, the first blocking cover 1 and one end of the motor housing 3 are detachably connected, and the other end of the motor housing 3 and the second blocking cover 18 are detachably connected.
A first fan blade 10, a second fan blade 7 and two air duct plates 8 are further arranged inside the motor shell 3, ventilation holes 4 are symmetrically formed in the top and the bottom of the center of the motor shell 3, the first fan blade 10 is arranged at the joint of the first shield 1 and the motor shell 3, the second fan blade 7 is arranged at the joint of the second shield 18 and the motor shell 3, and the air duct plates 8 are respectively arranged between the first shield 1 and the first fan blade 10 and between the second shield 18 and the second fan blade 7 and fixedly connected with the inside of the motor shell 3; when the rotor 2 rotates, the first fan blade 10 and the second fan 7 which are installed on the rotor 2 are driven to rotate, the internal pressure of the motor is smaller than atmospheric pressure, external air enters the motor through the fan blades and the air duct plate 8, the air duct plate 8 is uniformly provided with a plurality of fan-shaped air guide grooves 13, the air guide grooves 13 can prevent eddy current from being generated, and further other overheating conditions can be prevented; a first filter screen 12 is covered on the first blocking cover 1, a second filter screen 17 is covered on the second blocking cover 18, and a third filter screen 11 is covered on the vent hole 4; the motor can be prevented from being polluted by external dust particles or pollutants entering the motor.
The end part of the second shield 18 is provided with a motor positive wiring port 15, a motor negative wiring port 16 and a motor grounding wire port 14, the motor positive wiring port 15 is connected with the electric brush through a first lead 6, the first lead 6 is connected with a current protection device 5 in series, the current protection device 5 comprises a first metal sheet and a second metal sheet, and the first metal sheet and the second metal sheet are bonded with each other; the first metal sheet and the second metal sheet are arranged on the connecting lead of the motor positive wiring port 15 and the electric brush, and are mutually bonded, the materials are inconsistent, the thermal expansion coefficients are different, so that when the current is overloaded, the first metal sheet and the second metal sheet can be deformed and further separated, and the current is broken to protect the motor; meanwhile, after the current is short-circuited, the first metal sheet and the second metal sheet are cooled, deformed and bonded again, the current is communicated again, manual operation is not needed, the production efficiency is improved, and the safety risk is also reduced; meanwhile, in order to prevent an overcurrent from passing through the winding coil through the brush, the first metal piece and the second metal piece are provided at the motor positive terminal port 15.
The motor negative terminal port 16 is connected with the brush through a second lead 9, and the motor ground terminal port 14 is connected with the motor housing 3 through a third lead.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A high-efficiency heat dissipation motor with current protection comprises a rotor (2), a motor shell (3), a first blocking cover (1) and a second blocking cover (18), wherein the rotor (2) is arranged inside the motor shell (3), two ends of the rotor (2) penetrate through the motor shell (3), an electric brush is arranged on the rotor (2), the first blocking cover (1) is detachably connected with one end of the motor shell (3), and the other end of the motor shell (3) is detachably connected with the second blocking cover (18); the method is characterized in that: the motor is characterized in that a first fan sheet (10), a second fan sheet (7) and two air groove plates (8) are further arranged inside the motor shell (3), vent holes (4) are symmetrically formed in the top and the bottom of the center of the motor shell (3), the first fan sheet (10) is arranged at the joint of the first shield cover (1) and the motor shell (3), the second fan sheet (7) is arranged at the joint of the second shield cover (18) and the motor shell (3), and the air groove plates (8) are respectively arranged between the first shield cover (1) and the first fan sheet (10) and between the second shield cover (18) and the second fan sheet (7) and fixedly connected with the inside of the motor shell (3); the end part of the second shield (18) is provided with a motor positive wiring port (15), a motor negative wiring port (16) and a motor grounding wire port (14), the motor positive wiring port (15) is connected with the electric brush through a first lead (6), the first lead (6) is connected with a current protection device (5) in series, the current protection device (5) comprises a first metal sheet and a second metal sheet, and the first metal sheet and the second metal sheet are bonded with each other; the motor negative pole wiring port (16) is connected with the electric brush through a second lead (9), and the motor ground wire port (14) is connected with the motor shell (3) through a third lead.
2. The efficient heat dissipation motor with current protection as claimed in claim 1, wherein: the first filter screen (12) is covered on the first blocking cover (1), the second filter screen (17) is covered on the second blocking cover (18), and the third filter screen (11) is covered on the ventilation hole (4).
3. The efficient heat dissipation motor with current protection as claimed in claim 1, wherein: the air duct plate (8) is uniformly provided with a plurality of fan-shaped air guide grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021045457.1U CN212486272U (en) | 2020-06-09 | 2020-06-09 | Efficient heat dissipation motor with current protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021045457.1U CN212486272U (en) | 2020-06-09 | 2020-06-09 | Efficient heat dissipation motor with current protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212486272U true CN212486272U (en) | 2021-02-05 |
Family
ID=74417270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021045457.1U Active CN212486272U (en) | 2020-06-09 | 2020-06-09 | Efficient heat dissipation motor with current protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212486272U (en) |
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2020
- 2020-06-09 CN CN202021045457.1U patent/CN212486272U/en active Active
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