CN107070086A - Forced air cooling type traction electric machine and traction electric machine system - Google Patents
Forced air cooling type traction electric machine and traction electric machine system Download PDFInfo
- Publication number
- CN107070086A CN107070086A CN201710178117.2A CN201710178117A CN107070086A CN 107070086 A CN107070086 A CN 107070086A CN 201710178117 A CN201710178117 A CN 201710178117A CN 107070086 A CN107070086 A CN 107070086A
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- electric machine
- traction electric
- machine body
- sensing device
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
Abstract
The invention discloses a kind of forced air cooling type traction electric machine and traction electric machine system, it is related to traction electric machine technical field.The forced air cooling type traction electric machine includes traction electric machine body, air quantity sensing device, ventilation shaft and cooling blower；Cooling blower is connected by ventilation shaft with traction electric machine body；Air quantity sensing device is arranged on the air inlet of traction electric machine body.The forced air cooling type traction electric machine of the present invention, in the air inlet of traction electric machine body, air quantity sensing device is set, the cooling wind of air inlet is monitored, monitoring is after ventilation shaft conveying decays, the intensity that cooling wind possesses, i.e. monitoring is sent to the air quantity of the cooling wind of traction electric machine body, the air quantity needed for traction electric machine body is reliably ensure that, with the value for carrying out popularization and application.
Description
Technical field
The present invention relates to traction electric machine technical field, more particularly to a kind of forced air cooling type traction electric machine and traction electric machine
System.
Background technology
The type of cooling applied to the phase asynchronous traction electric machine in track traffic mainly has two kinds at present, and one kind is certainly
Cold, another is forced air cooling.
Self-cooling traction electric machine, is mainly used on the low speed rail vehicle such as locomotive and subway, and wind is driven by itself rotor
Fan is cooled down.
Forced air cooling type traction electric machine, is mainly used on bullet train, and by outer fan to wind, cooling wind passes through ventilation
Pipeline enters traction electric machine, to reach the purpose cooled down to traction electric machine.
At present, by monitoring the air quantity information of ventilation shaft, to be monitored to the cooling wind in high ferro.Wind is cooled down by outer
Portion's blower fan is produced, and the air inlet of traction electric machine is entered by ventilation shaft, during cooling wind is conveyed in ventilation shaft, its
Exercise intensity can decay, and what the intensity of the cooling wind needed for traction electric machine was the need to ensure that, that is to say, that traction electric machine
Air inlet air quantity need ensure.
So, the existing monitoring scheme that the air quantity monitoring of cooling wind is only carried out to ventilation shaft, it is impossible to reliably ensure to lead
Draw the air quantity needs of motor.
The content of the invention
It is an object of the invention to provide a kind of forced air cooling type traction electric machine and traction electric machine system, to solve existing skill
The skill that the air quantity of traction electric machine needs can not reliably be ensured by only carrying out the air quantity monitoring of cooling wind present in art to ventilation shaft
Art problem.
To achieve these goals, the present invention uses following technical scheme：
A kind of forced air cooling type traction electric machine that the present invention is provided, including traction electric machine body, air quantity sensing device, ventilation
Pipeline and cooling blower；
The cooling blower is connected by the ventilation shaft with the traction electric machine body；
The air quantity sensing device is arranged on the air inlet of the traction electric machine body.
Further, in addition to cooling blower controller；
The cooling blower controller is used for the signal for receiving the air quantity sensing device feedback, and controls the cooling wind
Motor-driven work；
The cooling blower controller is electrically connected between the air quantity sensing device and the cooling blower.
Further, in addition to traction motor controller；
The traction motor controller is used for the signal for receiving the air quantity sensing device feedback, and controls the traction electricity
Machine body is acted；
The traction motor controller is electrically connected between the air quantity sensing device and the traction electric machine body.
Further, the air quantity sensing device includes 2 air flow sensors；
2 air flow sensors are arranged on the air inlet of the traction electric machine body.
Further, 2 air flow sensors are set relative to the Central Symmetry of the air inlet of the traction electric machine body
Put.
Further, in addition to temperature sensor；
The temperature sensor is used for the operating temperature for monitoring the traction electric machine body.
Further, the temperature sensor is electrically connected with the cooling blower controller.
Further, in addition to velocity sensor；
The velocity sensor is used for the working speed for monitoring the traction electric machine body.
Further, the velocity sensor is electrically connected with the traction motor controller.
The present invention also provides a kind of traction electric machine system, including forced air cooling type traction electric machine as the aforementioned.
Forced air cooling type traction electric machine and traction electric machine system that the present invention is provided, in the air inlet of traction electric machine body
Air quantity sensing device is set, to be entered after ventilation shaft by the air inlet of traction electric machine body in traction electric machine body
The cooling wind in portion is monitored, and monitoring is conveyed by ventilation shaft and after decay, the intensity that cooling wind possesses, i.e. monitoring are sent to
The air quantity of the cooling wind of traction electric machine body, reliably ensure that the air quantity needed for traction electric machine body, is adapted for popularization and application.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of overall structure diagram for forced air cooling type traction electric machine that Fig. 1 provides for the present invention；
A kind of partial structural diagram for forced air cooling type traction electric machine that Fig. 2 provides for the present invention；
A kind of partial structural diagram for forced air cooling type traction electric machine that Fig. 3 provides for the present invention；
A kind of partial structural diagram for forced air cooling type traction electric machine that Fig. 4 provides for the present invention.
Reference：
1- traction electric machine bodies；2- air quantity sensing devices；3- ventilation shafts；
4- cooling blowers；5- cooling blower controllers；6- traction motor controllers；
11- air inlets；21- air flow sensors.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment one：
In the alternative of the present embodiment, as shown in Figures 1 to 4, a kind of forced air cooling type that the present embodiment is provided is led
Draw motor, including traction electric machine body 1, air quantity sensing device 2, ventilation shaft 3 and cooling blower 4；Cooling blower 4 passes through ventilation
Pipeline 3 is connected with traction electric machine body 1；Air quantity sensing device 2 is arranged on the air inlet 11 of traction electric machine body 1.
In the present embodiment, the output of cooling blower 4 cooling wind, cooling wind is sent to traction electric machine body by ventilation shaft 3
1, entered by air inlet 11, traction electric machine body 1 is cooled down；Air quantity sensing device 2 is arranged on entering for traction electric machine body 1
On air port 11, it is monitored to reaching the intensity of cooling wind of air inlet 11, reliably ensures the wind needed for traction electric machine body 1
Amount.
Air quantity sensing device 2 monitors obtained air quantity information, if being unsatisfactory for the cooling requirement of traction electric machine body 1,
Typically not enough, there is both sides main cause in this to cooling monsoon intensity, be on the one hand due to that cooling blower 4 breaks down, separately
On the one hand it is due to that ventilation shaft 3 leaks out or obstructed, by monitoring the air quantity information of ventilation shaft 3, specially monitoring ventilation
Pipeline 3 and the air quantity information of the connectivity part of cooling blower 4, coordinate this air quantity sensing device 2, can simply and rapidly draw cooling wind
The reason for not reaching requirement, so as to pointedly be repaired and adjusted, enable traction electric machine normal work as soon as possible.
In the alternative of the present embodiment, in addition to cooling blower controller 5；Cooling blower controller 5 is used to receive
The signal that air quantity sensing device 2 feeds back, and control cooling blower 4 to act；Cooling blower controller 5 is electrically connected at air quantity sensing
Between device 2 and cooling blower 4.
In the present embodiment, the intensity of the cooling wind of 2 pairs of arrival air inlets 11 of air quantity sensing device is monitored, and will be monitored
Signal feeds back to cooling blower controller 5.When cooling monsoon intensity at air inlet 11 is not enough, the basis of cooling blower controller 5
The signal that air quantity sensing device 2 feeds back, controls cooling blower 4 to strengthen cooling down the intensity of wind.
In the alternative of the present embodiment, in addition to traction motor controller 6；Traction motor controller 6 is used to receive
The signal that air quantity sensing device 2 feeds back, and control traction electric machine body 1 to act；Traction motor controller 6 is electrically connected at air quantity
Between sensing device 2 and traction electric machine body 1.
In the present embodiment, the intensity of the cooling wind of 2 pairs of arrival air inlets 11 of air quantity sensing device is monitored, and will be monitored
Signal feeds back to traction motor controller 6 simultaneously.When cooling monsoon intensity at air inlet 11 is not enough, traction motor controller 6
The signal fed back according to air quantity sensing device 2, chain control traction electric machine body 1 carries out reduction of speed.
The decrease of cooling wind directly affects the temperature rise change of traction electric machine body 1, and traction electric machine body 1 can be caused sternly
The damage of weight.
Monitoring signals are fed back to both cooling blower controller 5 and traction motor controller 6, two by air quantity sensing device 2
Person acts synergistically, it is ensured that the stabilization of traction electric machine body 1, safely work.
In the alternative of the present embodiment, air quantity sensing device 2 includes 2 air flow sensors 21；2 air flow sensors
21 are arranged on the air inlet 11 of traction electric machine body 1.
In the present embodiment, 2 air flow sensors 21 are monitored to the cooling wind at air inlet 11 simultaneously, make monitoring more
Plus it is reliable, accurate.
In the alternative of the present embodiment, 2 air flow sensors 21 are relative to the air inlet 11 of traction electric machine body 1
Central Symmetry is set.
In the present embodiment, 2 air flow sensors 21 are symmetrical arranged, and are monitored the cooling wind data of symmetric position, are monitored
The data arrived can be more accurate.
In the alternative of the present embodiment, in addition to temperature sensor；Temperature sensor is used to monitor traction electric machine sheet
The operating temperature of body 1.
In the present embodiment, the temperature change of traction electric machine body 1, there is great shadow to traction electric machine body 1
Ring, the monitoring to its operating temperature is particularly important, for ensureing that the normal work of traction electric machine body 1 is essential.
In the alternative of the present embodiment, temperature sensor is electrically connected with cooling blower controller 5.
In the present embodiment, temperature signal is fed back to cooling blower controller 5 by temperature sensor, monitors that temperature exceedes
During normal working temperature, the control cooling blower 4 of cooling blower controller 5 strengthens the intensity of cooling wind.
Temperature sensor is also electrically connected with traction motor controller 6, and traction motor controller 6 is anti-according to temperature sensor
The temperature signal of feedback, can control the reduction of speed of traction electric machine body 1, it is ensured that the security of its work.
In the alternative of the present embodiment, in addition to velocity sensor；Velocity sensor is used to monitor traction electric machine sheet
The working speed of body 1.
In the present embodiment, the real work rotating speed of traction electric machine body 1 also has very big influence to its operating temperature,
Monitoring to actual speed is also particularly important.
In the alternative of the present embodiment, velocity sensor is electrically connected with traction motor controller 6.
In the present embodiment, the actual speed signal of the traction electric machine body 1 monitored is fed back to and led by velocity sensor
Draw electric machine controller 6, traction motor controller 6 can control the reduction of speed of traction electric machine body 1 according to the signal of feedback, and can
Learn that reduction of speed is live.
Embodiment two：
In the alternative of the present embodiment, as shown in Figures 1 to 4, a kind of forced air cooling type that the present embodiment is provided is led
Draw motor, including traction electric machine body 1, air quantity sensing device 2, ventilation shaft 3 and cooling blower 4；Cooling blower 4 passes through ventilation
Pipeline 3 is connected with traction electric machine body 1；Air quantity sensing device 2 is arranged on the air inlet 11 of traction electric machine body 1.
In the present embodiment, the output of cooling blower 4 cooling wind, cooling wind is sent to traction electric machine body by ventilation shaft 3
1, entered by air inlet 11, traction electric machine body 1 is cooled down；Air quantity sensing device 2 is arranged on entering for traction electric machine body 1
On air port 11, it is monitored to reaching the intensity of cooling wind of air inlet 11, reliably ensures the wind needed for traction electric machine body 1
Amount.
Air quantity sensing device 2 monitors obtained air quantity information, if being unsatisfactory for the cooling requirement of traction electric machine body 1,
Typically not enough, there is both sides main cause in this to cooling monsoon intensity, be on the one hand due to that cooling blower 4 breaks down, separately
On the one hand it is due to that ventilation shaft 3 is obstructed or leaked out, by monitoring the air quantity information of ventilation shaft 3, specially monitors ventilation duct
Road 3 and the air quantity information of the connectivity part of cooling blower 4, coordinate this air quantity sensing device 2, can simply and rapidly show that cooling wind reaches
The reason for less than requiring, so as to pointedly be repaired and adjusted, enable traction electric machine normal work as soon as possible.
In the alternative of the present embodiment, in addition to cooling blower controller 5；Cooling blower controller 5 is used to receive
The signal that air quantity sensing device 2 feeds back, and control cooling blower 4 to act；Cooling blower controller 5 is electrically connected at air quantity sensing
Between device 2 and cooling blower 4.
In the present embodiment, the intensity of the cooling wind of 2 pairs of arrival air inlets 11 of air quantity sensing device is monitored, and will be monitored
Signal feeds back to cooling blower controller 5.When cooling monsoon intensity at air inlet 11 is not enough, the basis of cooling blower controller 5
The signal that air quantity sensing device 2 feeds back, controls cooling blower 4 to strengthen cooling down the intensity of wind.
In the alternative of the present embodiment, in addition to traction motor controller 6；Traction motor controller 6 is used to receive
The signal that air quantity sensing device 2 feeds back, and control traction electric machine body 1 to act；Traction motor controller 6 is electrically connected at air quantity
Between sensing device 2 and traction electric machine body 1.
In the present embodiment, the intensity of the cooling wind of 2 pairs of arrival air inlets 11 of air quantity sensing device is monitored, and will be monitored
Signal feeds back to traction motor controller 6 simultaneously.When cooling monsoon intensity at air inlet 11 is not enough, traction motor controller 6
The signal fed back according to air quantity sensing device 2, chain control traction electric machine body 1 carries out reduction of speed.
The decrease of cooling wind directly affects the temperature rise change of traction electric machine body 1, and traction electric machine body 1 can be caused sternly
The damage of weight.
Monitoring signals are fed back to both cooling blower controller 5 and traction motor controller 6, two by air quantity sensing device 2
Person acts synergistically, it is ensured that the stabilization of traction electric machine body 1, safely work.
In the alternative of the present embodiment, air quantity sensing device 2 includes 2 air flow sensors 21；2 air flow sensors
21 are arranged on the air inlet 11 of traction electric machine body 1.
In the present embodiment, 2 air flow sensors 21 are monitored to the cooling wind at air inlet 11 simultaneously, make monitoring more
Plus it is reliable, accurate.
In the alternative of the present embodiment, in addition to temperature sensor；Temperature sensor is used to monitor traction electric machine sheet
The operating temperature of body 1.
In the present embodiment, the temperature change of traction electric machine body 1, there is great shadow to traction electric machine body 1
Ring, the monitoring to its operating temperature is particularly important, for ensureing that the normal work of traction electric machine body 1 is essential.
In the alternative of the present embodiment, temperature sensor is electrically connected with cooling blower controller 5.
In the present embodiment, temperature signal is fed back to cooling blower controller 5 by temperature sensor, monitors that temperature exceedes
During normal working temperature, the control cooling blower 4 of cooling blower controller 5 strengthens the intensity of cooling wind.
Temperature sensor is also electrically connected with traction motor controller 6, and traction motor controller 6 is anti-according to temperature sensor
The temperature signal of feedback, can control the reduction of speed of traction electric machine body 1, it is ensured that the security of its work.
Embodiment three：
In the alternative of the present embodiment, a kind of traction electric machine system that the present embodiment is provided, including such as embodiment one
Or the forced air cooling type traction electric machine described in embodiment two.
In the present embodiment, this forced air cooling type traction electric machine is used for bullet train, and such as high ferro coordinates other elements structure
Into the traction electric machine system of bullet train, i.e. dynamical system.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of forced air cooling type traction electric machine, it is characterised in that including traction electric machine body, air quantity sensing device, ventilation duct
Road and cooling blower；
The cooling blower is connected by the ventilation shaft with the traction electric machine body；
The air quantity sensing device is arranged on the air inlet of the traction electric machine body.
2. forced air cooling type traction electric machine according to claim 1, it is characterised in that also including cooling blower controller；
The cooling blower controller is used for the signal for receiving the air quantity sensing device feedback, and controls the cooling blower to move
Make；
The cooling blower controller is electrically connected between the air quantity sensing device and the cooling blower.
3. forced air cooling type traction electric machine according to claim 1, it is characterised in that also including traction motor controller；
The traction motor controller is used for the signal for receiving the air quantity sensing device feedback, and controls the traction electric machine sheet
Body is acted；
The traction motor controller is electrically connected between the air quantity sensing device and the traction electric machine body.
4. forced air cooling type traction electric machine according to claim 1, it is characterised in that the air quantity sensing device includes 2
Individual air flow sensor；
2 air flow sensors are arranged on the air inlet of the traction electric machine body.
5. forced air cooling type traction electric machine according to claim 4, it is characterised in that 2 air flow sensors are relative
Set in the Central Symmetry of the air inlet of the traction electric machine body.
6. forced air cooling type traction electric machine according to claim 1, it is characterised in that also including temperature sensor；
The temperature sensor is used for the operating temperature for monitoring the traction electric machine body.
7. forced air cooling type traction electric machine according to claim 6, it is characterised in that the temperature sensor with it is described cold
But controller of fan is electrically connected with.
8. forced air cooling type traction electric machine according to claim 1, it is characterised in that also including velocity sensor；
The velocity sensor is used for the working speed for monitoring the traction electric machine body.
9. forced air cooling type traction electric machine according to claim 8, it is characterised in that the velocity sensor is led with described
Draw electric machine controller electric connection.
10. a kind of traction electric machine system, it is characterised in that led including the forced air cooling type as described in any one of claim 1 to 9
Draw motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178117.2A CN107070086A (en) | 2017-03-23 | 2017-03-23 | Forced air cooling type traction electric machine and traction electric machine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178117.2A CN107070086A (en) | 2017-03-23 | 2017-03-23 | Forced air cooling type traction electric machine and traction electric machine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070086A true CN107070086A (en) | 2017-08-18 |
Family
ID=59621058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710178117.2A Pending CN107070086A (en) | 2017-03-23 | 2017-03-23 | Forced air cooling type traction electric machine and traction electric machine system |
Country Status (1)
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|---|---|
| CN (1) | CN107070086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794330A (en) * | 2021-07-30 | 2021-12-14 | 嘉兴石化有限公司 | Integrated automatic switching device for cooling variable frequency motor |
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