CN203326814U - Traction machine characterized by ease of heat dissipation - Google Patents
Traction machine characterized by ease of heat dissipation Download PDFInfo
- Publication number
- CN203326814U CN203326814U CN2013203332423U CN201320333242U CN203326814U CN 203326814 U CN203326814 U CN 203326814U CN 2013203332423 U CN2013203332423 U CN 2013203332423U CN 201320333242 U CN201320333242 U CN 201320333242U CN 203326814 U CN203326814 U CN 203326814U
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- traction machine
- radiator fan
- casing
- heat radiation
- stator winding
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Abstract
The utility model discloses a traction machine characterized by ease of heat dissipation. The traction machine comprises a machine shell, a stator winding and a rotor, wherein the stator winding and the rotor cooperate with each other are arranged in the machine shell, the machine shell is provided with a ventilating opening, a heat dissipation fan is mounted in the ventilating opening, and a drive circuit used for controlling the heat dissipation fan is arranged outside the machine shell. A wire connection box is fixed on an outer wall of the machine shell, and the drive circuit is arranged in the wire connection box. The traction machine characterized by ease of heat dissipation is advantageous in that forced air-cooling heat dissipation operation is carried out in the machine shell of the traction machine, marked head dissipation effects are realized, that the traction machine works within a normal temperature range can be guaranteed, electric energy can be saved, and the service life of the traction machine can be prolonged.
Description
Technical field
The utility model relates to the traction machine field, is specifically related to a kind of traction machine that is easy to heat radiation.
Background technology
Permanent-magnet synchnorous gearless dragging machine, be the topmost a kind of power source of current elevator drive system, is characterized in that the permagnetic synchronous motor rotating part directly drives the traction sheave rotation, without deceleration device.
Permanent-magnet synchnorous gearless dragging machine mainly is comprised of permagnetic synchronous motor, traction sheave, braking system, encoder uniform velocity sensing system, wherein permagnetic synchronous motor is due to the magnetic field that adopts permanent magnet to produce, therefore without electric excitation, there is the plurality of advantages such as simple in structure, reliable, efficient, low speed, large torque, volume are little, lightweight.
Yet, the main component of permanent magnet is rare earth material, because rare earth is non-renewable resources, the price trend goes up, in order to reduce costs, need to reduce the consumption of magnet steel (being permanent magnet), simultaneously, in order further to control the cost of traction machine, need to reduce the copper consumption (for example adopting the enamelled wire of copper cover aluminum) of stator winding, these improvement can make the increase in temperature of motor, and motor works long hours under hot environment, easily cause various security incidents, particularly in the high capacities such as office building, hospital, hotel, the long-time frequent occasion of using elevator.
In order to solve the too high problem of electric machine temperature rise, way commonly used is suitably to reduce electromagnetic load at present, then row trial-production, but this scheme can increase the cost of traction machine, extends the volume production cycle of traction machine.Granted publication number discloses a kind of permanent magnet synchronous tractor motor that is integrated with heat abstractor for the utility model of CN201608593U, power by motor itself drives radiator fan, the shift drive mechanism of electric fan or fan is integrated on rotor, and radiator fan is placed in casing electric machine iron core and winding are dispelled the heat; Fan can with the motor coaxle synchronous rotary, also can mesh and accelerate the fan rotation by gear.
This utility model utilizes radiator fan to carry out forced heat radiation to motor, and the power that still drives radiator fan is from motor itself, and the rotating speed of radiator fan is difficult for regulating.
The utility model content
The utility model provides a kind of traction machine that is easy to heat radiation, simple in structure, easy to implement, when motor temperature surpasses predetermined value, starts radiator fan motor is dispelled the heat by force, and the temperature of controlling traction machine remains in normal range of operation.
A kind of traction machine that is easy to heat radiation, comprise casing and be positioned at stator winding and the rotor that casing is inner and cooperatively interact, and on described casing, offers ventilating opening, in this ventilating opening, radiator fan is housed; Described casing outside is provided with for controlling the drive circuit of radiator fan.
Described radiator fan is controlled by the drive circuit of casing outside, in the process of using at traction machine, when the casing internal temperature during higher than design temperature, drive circuit is controlled the radiator fan operation, force the hot-air of casing inside and the cold air of casing outside to be exchanged, by Air Flow, take away the inner unnecessary heat of casing.
Described radiator fan can adopt tube-axial fan; increase the speed of circulation of air; radiator fan is arranged in the ventilation hole of casing; make the structure of whole traction machine compacter on the one hand; save the space that traction machine takies; on the other hand, can prevent from causing the impact damage of radiator fan in the transportation of traction machine and installation process, the protection radiator fan.
As preferably, the outer wall of described casing is fixed with terminal box, and described drive circuitry arrangement is in terminal box.Utilize terminal box to be protected drive circuit.
Temperature sensor for detection of stator winding temperature is installed in described casing, and the start signal of described radiator fan comes from this temperature sensor.
When stator winding temperature, during higher than set point, temperature sensor sends start signal to radiator fan, and radiator fan brings into operation, the air blast cooling heat radiation is carried out in casing inside, when stator winding temperature does not reach set point, radiator fan cuts out, and radiator fan stops operating.
In order to improve the efficiency of air blast cooling heat radiation, described ventilating opening is 1～6, and described radiator fan all is installed in each ventilating opening.The air blast cooling heat radiation is carried out in a plurality of positions in casing simultaneously, reduce as early as possible the temperature in casing.
As preferably, the position of described ventilating opening is corresponding with the position of stator winding.
Stator winding is approximately tubular, and a side of the position of ventilating opening and the tubular of stator core is along corresponding.
As preferably, all ventilating openings are uniformly distributed along the circumferential of stator winding.
Ventilating opening is uniformly distributed along the circumferential of stator winding, and when radiator fan carries out the air blast cooling heat radiation, the outer cold wind of casing directly contacts with stator winding, is conducive to the heat radiation of stator winding.
As preferably, between described radiator fan and casing, be bolted to connection.Facilitate dismounting and the replacing of radiator fan.
The utility model is easy to the traction machine of heat radiation, and the air blast cooling heat radiation is carried out in the casing inside of traction machine, and radiating effect is obvious, can guarantee that traction machine is operated in normal temperature range, while saves energy, the useful life of prolongation traction machine.
The accompanying drawing explanation
Fig. 1 is the schematic diagram (broken section) that the utility model is easy to the traction machine of heat radiation.
In figure: 1, stator winding; 2, casing; 3, radiator fan; 4, bolt; 5, terminal box; 6, ventilating opening.
Embodiment
Below in conjunction with accompanying drawing, the traction machine that the utility model is easy to heat radiation is described in detail.
As shown in Figure 1, a kind of traction machine that is easy to heat radiation, comprise casing 2 and be positioned at stator winding 1 and the rotor that casing 2 is inner and cooperatively interact, and offers ventilating opening 6 on casing 2, in this ventilating opening 6, radiator fan 3 is housed; Casing 2 outsides are provided with for controlling the drive circuit of radiator fan 3.
The outer wall of casing 2 is fixed with terminal box 5, and drive circuitry arrangement, in terminal box 5, utilizes 5 pairs of drive circuits of terminal box to be protected.
Temperature sensor for detection of stator winding 1 temperature is installed in casing 2, the start signal of fan swicth comes from this temperature sensor, imbed in advance thermoswitch in stator winding 1, the characteristic by thermoswitch under different temperatures, control the opening and closing of radiator fan 3.
When stator winding 1 temperature during higher than the nominal temperature of thermoswitch, radiator fan 3 energising rotations; When stator winding 1 temperature, during lower than the nominal temperature of thermoswitch, radiator fan 3 outages are stopped the rotation, and form the temperature control system of closed loop, and the temperature of traction machine is controlled in rational scope, guarantee temperature controlled accuracy and reliability.
Traction machine is pressed the operation of S4 duty, and the traction machine most of time stays cool, and with respect to the situation of radiator fan 3 continuous runnings, has saved electric energy, has extended the useful life of radiator fan 3.
Ventilating opening 6 is 6, and the interior radiator fan 3 that all is equipped with of each ventilating opening 6 carries out the air blast cooling heat radiation to a plurality of positions in casing 2 simultaneously, reduces as early as possible the temperature in casing 2.
The position of ventilating opening 6 is corresponding with the position of stator winding 1, be that stator winding 1 is approximately tubular, one side of the position of ventilating opening 6 and the tubular of stator core is along corresponding, and all ventilating openings 6 are uniformly distributed along the circumferential of stator winding 1, when radiator fan 3 carries out the air blast cooling heat radiation, casing 2 outer cold wind directly contact with stator winding 1, are conducive to the heat radiation of stator winding 1.
Radiator fan 3 adopts tube-axial fans, improves the efficiency of air blast cooling heat radiation, between radiator fan 3 and casing 2, by bolt 4, is fixedly connected with, and facilitates dismounting and the replacing of radiator fan 3.
The traction machine that the utility model is easy to heat radiation belongs to the air blast cooling heat radiation, and radiating effect is obvious, with the traction machine that does not install radiator fan 3 additional, compares, and after within 1 hour, moving continuously, the temperature rise of traction machine is reduced to 70K by 100K.
For electromagnetic scheme, more cataclysmal traction machine is arranged, can be too high by installation quantity and the installation site control temperature rise of adjusting radiator fan 3, realize quickly and easily the control of temperature.
When the utility model is easy to the traction machine work of heat radiation, when the temperature of stator winding 1 during higher than design temperature, thermoswitch is controlled radiator fan 3 energising rotations, force the hot-air of casing 2 inside and the cold air of casing 2 outsides to be exchanged, take away the inner unnecessary heat of casing 2 by Air Flow, when the temperature of stator winding 1, during not higher than design temperature, thermoswitch is controlled radiator fan 3 outages and is stopped the rotation.
Those skilled in the art should be realized that: above-mentioned is only to the explaining of this utility model execution mode, any protection range that conversion of the present utility model, modification is all fallen into to this utility model.
Claims (7)
1. a traction machine that is easy to heat radiation, comprise casing and be positioned at stator winding and the rotor that casing is inner and cooperatively interact, and it is characterized in that, on described casing, offers ventilating opening, in this ventilating opening, radiator fan is housed; Described casing outside is provided with for controlling the drive circuit of radiator fan.
2. the traction machine that is easy to heat radiation as claimed in claim 1, is characterized in that, the outer wall of described casing is fixed with terminal box, and described drive circuitry arrangement is in terminal box.
3. the traction machine that is easy to heat radiation as claimed in claim 1, is characterized in that, the temperature sensor for detection of stator winding temperature is installed in described casing, and the start signal of described radiator fan comes from this temperature sensor.
4. the traction machine that is easy to heat radiation as claimed in claim 1, is characterized in that, described ventilating opening is 1～6, and described radiator fan all is installed in each ventilating opening.
5. the traction machine that is easy to heat radiation as claimed in claim 4, is characterized in that, the position of described ventilating opening is corresponding with the position of stator winding.
6. the traction machine that is easy to heat radiation as claimed in claim 5, is characterized in that, all ventilating openings are uniformly distributed along the circumferential of stator winding.
7. the traction machine that is easy to heat radiation as claimed in claim 1, is characterized in that, between described radiator fan and casing, is bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203332423U CN203326814U (en) | 2013-06-08 | 2013-06-08 | Traction machine characterized by ease of heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203332423U CN203326814U (en) | 2013-06-08 | 2013-06-08 | Traction machine characterized by ease of heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326814U true CN203326814U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203332423U Expired - Lifetime CN203326814U (en) | 2013-06-08 | 2013-06-08 | Traction machine characterized by ease of heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113272678A (en) * | 2018-12-17 | 2021-08-17 | 伟摩有限责任公司 | Integrated cooling scheme for rotary sensor |
| CN113285566A (en) * | 2021-05-28 | 2021-08-20 | 天津中德应用技术大学 | Integrated type integral type motor system |
-
2013
- 2013-06-08 CN CN2013203332423U patent/CN203326814U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113272678A (en) * | 2018-12-17 | 2021-08-17 | 伟摩有限责任公司 | Integrated cooling scheme for rotary sensor |
| CN113285566A (en) * | 2021-05-28 | 2021-08-20 | 天津中德应用技术大学 | Integrated type integral type motor system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |