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CN-120638762-B - Integrated driving motor with overheat protection function

CN120638762BCN 120638762 BCN120638762 BCN 120638762BCN-120638762-B

Abstract

The invention discloses an integrated driving motor with overheat protection function, which relates to the technical field of motors, and comprises a machine body and an output shaft, wherein a sleeve is arranged in the machine body, the output shaft is rotatably arranged on the machine body and penetrates through the sleeve, a rotor is arranged on the output shaft, a stator is arranged in the sleeve, the engine body is provided with a control box and a fan cover, the output shaft penetrates through one end of the engine body to be provided with a fan, two ends of the sleeve are in sealing connection with the engine body, cooling liquid is arranged between the sleeve and the engine body, two pad feet are symmetrically arranged on the engine body, a circulation box is arranged in the pad feet, and the circulation box enables the cooling liquid to circulate between the sleeve and the engine body. Through sleeve, coolant liquid and circulation box's setting, realize the liquid cooling of motor, prevent that the motor from appearing overheated phenomenon at the during operation.

Inventors

  • ZHANG WENJIE
  • LIAO WEIPING
  • WANG HUA

Assignees

  • 常州倍士福机电有限公司

Dates

Publication Date
20260512
Application Date
20250714

Claims (9)

  1. 1. An integrated driving motor with overheat protection function comprises a machine body (1) and an output shaft (5), wherein a control box (2) is arranged on the machine body (1), the output shaft (5) penetrates through the machine body (1) and is rotationally connected with the machine body (1), a rotor (6) is arranged on the output shaft (5), a fan cover (4) is arranged at one end of the machine body (1), the integrated driving motor is characterized in that a sleeve (8) is arranged in the machine body (1) in a sealing manner, a stator (7) is arranged in the sleeve (8), the output shaft (5) penetrates through the sleeve (8), a refrigerating plate (11) is arranged in the machine body (1), padding feet (3) are symmetrically arranged below the machine body (1), the inner space of the padding feet (3) is communicated with the inner space of the machine body (1), a cooling medium is arranged between the sleeve (8) and the machine body (1), and a circulation box (15) is arranged in the padding feet (3), and the circulation box (15) enables the cooling medium to flow in the machine body (1). Two arc-shaped casings (9) are symmetrically arranged inside the machine body (1), vertical plates are arranged at two ends of each casing (9), each casing (9) is located at the outer side of each sleeve (8), the two casings (9) are mutually matched to divide a space between the machine body (1) and each sleeve (8) into two intercommunicating spaces, the two intercommunicating spaces are divided into an outer cavity and an inner cavity, the inner cavity is arranged at the outer side of each sleeve (8), the vertical plates at two ends and the lower end of each casing (9) are connected with the machine body (1), and a refrigerating plate (11) is arranged between the vertical plates at the lower ends of the two casings (9); The cooling medium circulates in the outer cavity and the inner cavity; The cushion is characterized in that an entering groove (13) and an outflow groove are formed in the cushion foot (3), through grooves are formed in the machine body (1) corresponding to the entering groove (13) and the outflow groove, the lower vertical plate of the casing (9) is located between the two through grooves, and the two through grooves are located in the outer cavity and the inner cavity respectively.
  2. 2. The integrated driving motor with overheat protection function as claimed in claim 1, wherein a heat dissipation plate (12) is arranged on the inner side of the fan housing (4) through a ceramic pad, the heat dissipation plate (12) is a heating end of the Peltier effect, the refrigeration plate (11) is a refrigeration end in the Peltier effect, and the refrigeration plate (11) and the heat dissipation plate (12) are electrically connected with the control box (2).
  3. 3. The integrated driving motor with overheat protection function as claimed in claim 1, wherein a plurality of annular grooves are axially formed in the sleeve (8), a sealing ring (10) with a C-shaped cross section is arranged on the outer side of the annular grooves on the sleeve (8), an annular hot plate is arranged in the annular grooves, a plurality of thermoelectric generation elements are circumferentially arranged on the hot plate, the thermoelectric generation elements are connected in series and electrically connected with the control box (2), and one ends of the thermoelectric generation elements are in contact with the sealing ring (10).
  4. 4. An integrated driving motor with overheat protection function as set forth in claim 3, wherein the thermal power generating element is composed of a P-type semiconductor, an N-type semiconductor and three metal plates, one end of the P-type semiconductor and one end of the N-type semiconductor are respectively provided with one metal plate, the other end of the P-type semiconductor and the other end of the N-type semiconductor are commonly connected with one metal plate, the metal plates commonly connected with the other end of the P-type semiconductor and the N-type semiconductor are connected with a hot plate, the metal plates respectively connected with the other end of the P-type semiconductor and the N-type semiconductor are in contact with a sealing ring (10), and the sealing ring (10) is made of ceramics.
  5. 5. An integrated drive motor with overheat protection function as claimed in claim 1, wherein the refrigerating plate (11) is provided with a plurality of penetrating holes.
  6. 6. An integrated drive motor with overheat protection according to claim 1, characterised in that the cooling medium is a cooling liquid or a mixture of cooling liquid and gas, and when the cooling medium is a mixture of cooling liquid and gas, the gas is located in the outer chamber, the cooling liquid is in the inner chamber, and the sleeve (8) is immersed in the cooling liquid.
  7. 7. The integrated driving motor with overheat protection function according to claim 1, wherein a concave curved surface is arranged above the side of the circulation box (15) and is connected with the curved surface of the cushion foot (3), the circulation box (15) cuts off a channel between the inlet groove (13) and the outlet groove, a baffle plate (17) and a rotating plate (21) are arranged on two sides of the circulation box (15), a plurality of through holes are arranged on the circulation box (15), an inflow hole with the diameter smaller than that of the through holes is arranged on the baffle plate (17), an outflow hole with the diameter larger than that of the through holes is arranged on the rotating plate (21), a middle plate (20) is slidably arranged in the circulation box (15), two concentric one-way holes with different diameters are arranged at positions corresponding to the through holes on the middle plate (20), a valve plate (18) is rotatably arranged in the through holes on the circulation box (15) close to the baffle plate (17) and in the outlet holes, and the valve plate (18) on the rotating plate (21) is larger than that of the valve plate (18) on the circulation box (15) and the middle plate (20); The diameter of the valve plate (18) on the rotating plate (21) is larger than that of the through hole, the diameter of the valve plate (18) on the middle plate (20) is larger than that of the unidirectional hole with small diameter, and the diameter of the valve plate (18) on the circulation box (15) is larger than that of the inflow hole; Electromagnetic springs (19) are arranged on two sides of the middle plate (20), two ends of each electromagnetic spring (19) are respectively connected with the middle plate (20) and the circulation box (15), and two ends of each electromagnetic spring (19) are electrically connected with the control box (2).
  8. 8. The integrated driving motor with overheat protection function as claimed in claim 1, wherein a first filter plate (14) is arranged between the circulation tank (15) and the inlet groove (13) in the pad foot (3), a second filter plate (16) is arranged on one side of the rotating plate (21) in the pad foot (3), the second filter plate (16) is positioned below the outflow groove, and the height of the second filter plate (16) is lower than that of the valve plate (18).
  9. 9. The integrated driving motor with the overheat protection function according to claim 8, wherein the first filter plate (14) comprises sliding rails (22) symmetrically arranged on the inner sides of the cushion legs (3), a bottom frame (23) is slidably arranged between the two sliding rails (22), embedded grooves which are internally provided with an upper clamping frame (24) are formed in the bottom frame (23), clamping plates (26) are arranged at two ends of the embedded grooves upwards, two semicircular grooves are symmetrically arranged between the two clamping plates (26) in the embedded grooves, clamping grooves which are matched with the clamping plates (26) and the two semicircular grooves are formed in the upper frame (24), one end below the upper frame (24) is connected with a filter cloth (25), one end of each embedded groove of the bottom frame (23) is connected with the other end of the filter cloth (25), and sealing strips with circular cross sections are arranged at the short sides of the filter cloth (25) and are matched with the semicircular grooves in size.

Description

Integrated driving motor with overheat protection function Technical Field The invention relates to the technical field of motors, in particular to an integrated driving motor with an overheat protection function. Background The integrated driving motor is a device which integrates the core functional units of a motor body, a controller, an encoder and the like into a whole, is also called an integrated motor and a driving integrated motor, and is widely applied to the fields of industrial automation, robots, electric automobiles and the like. But the heat dissipation problem is always an important factor limiting the performance and the service life of the air-cooling device, the traditional air-cooling technology cannot meet the development requirement, therefore, improving the air cooling technology is an important direction to solve this problem. Disclosure of Invention The invention aims to provide an integrated driving motor with an overheat protection function, so as to solve the problems in the prior art. The integrated driving motor with the overheat protection function comprises a machine body and an output shaft, wherein a control box is arranged on the machine body, the output shaft penetrates through the machine body and is in rotary connection with the machine body, a rotor is arranged on the output shaft, a fan cover is arranged at one end of the machine body, a sleeve is arranged in the machine body in a sealing mode, a stator is arranged in the sleeve, the output shaft penetrates through the sleeve, a refrigerating plate is arranged in the machine body, padding feet are symmetrically arranged below the machine body, the inner space of the padding feet is communicated with the inner space of the machine body, a cooling medium is arranged between the sleeve and the machine body, and a circulation box is arranged in the padding feet and enables the cooling medium to flow in the machine body. Through sleeve, coolant liquid and circulation box's setting, realize the liquid cooling of motor, prevent that the motor from appearing overheated phenomenon at the during operation. The inside of the fan cover is provided with a heat radiation plate through a ceramic pad, the heat radiation plate is a heating end of the Peltier effect, the refrigeration plate is a refrigeration end of the Peltier effect, and the refrigeration plate and the heat radiation plate are electrically connected with the control box. When the cooling plate cools down the cooling medium in the machine body, the cooling plate is cooled down by the rotation of the fan. The sleeve is axially provided with a plurality of annular grooves, the sleeve is provided with a sealing ring with a C-shaped section at the outer side of the annular grooves, an annular hot plate is arranged in the annular grooves, a plurality of thermoelectric elements are circumferentially arranged on the hot plate, and are connected in series and electrically connected with the control box, and one end of each thermoelectric element is in contact with the sealing ring. The thermal power generation element consists of a P-type semiconductor, an N-type semiconductor and three metal plates, wherein one metal plate is respectively arranged at one end of the P-type semiconductor and one end of the N-type semiconductor, the other end of the P-type semiconductor and the other end of the N-type semiconductor are jointly connected with one metal plate, the metal plate jointly connected with the other end of the P-type semiconductor and the N-type semiconductor is connected with a hot plate, the respectively connected metal plates of the other end of the P-type semiconductor and the N-type semiconductor are in contact with a sealing ring, and the sealing ring is made of ceramic. The thermal power generation element performs thermal power generation using the seebeck effect, the seal ring is a cold end, the hot plate (not shown) is a hot end, and the thermal power generation element performs thermal power generation between the hot plate and the seal ring. The control system in the control box detects the current generated by the thermal power generation element, the motor is hotter as the current is larger, and conversely, the motor is smaller, the power supply and the power failure of the motor are controlled through the detection of the current, and when the temperature of the motor is too high, the motor is powered off, so that the purpose of overheat protection is achieved. The refrigerating plate is provided with a plurality of penetrating holes. And the heat exchange area of the cooling medium and the refrigerating plate is increased through the through holes, so that the cooling efficiency is improved. Two arc-shaped casings are symmetrically arranged inside the machine body, vertical plates are arranged at two ends of each casing, the casings are located on the outer sides of the sleeves, the two casings are matched with each other to divide a space between the mac