CN103490559A - Equal-interval ring type motor cooling water channel - Google Patents
Equal-interval ring type motor cooling water channel Download PDFInfo
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- CN103490559A CN103490559A CN201310482686.8A CN201310482686A CN103490559A CN 103490559 A CN103490559 A CN 103490559A CN 201310482686 A CN201310482686 A CN 201310482686A CN 103490559 A CN103490559 A CN 103490559A
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Abstract
The invention discloses an equal-interval ring type motor cooling water channel. The motor cooling water channel is characterized in that all ring-shaped cavities which are distributed at equal intervals along the axial direction are communicated to form a continuous water flow channel, a cooling water inlet and a cooling water outlet of the water flow channel are respectively formed in a water inlet end ring and a water outlet end ring at the two ends, each ring-shaped cavity is in the shape of an opened ring with a flat rectangular surface, the adjacent ring-shaped cavities are connected end to end, i.e., the outlet of one ring-shaped cavity is communicated with the inlet of the next ring-shaped cavity, so that the water flows in the adjacent ring-shaped cavities oppositely flow along the circumference of the surface of a motor casing. The heat exchange coefficient and the heat exchange rate of a cooling system can be effectively improved, the temperature rise of a motor is reduced and the reliability of the motor is enhanced.
Description
Technical field
The present invention relates to the motor cooling water channel structure, relate in particular to the permagnetic synchronous motor of high power density and the cooling water channel of low speed torque motor.
Background technology
Permagnetic synchronous motor and the low speed torque motor of high power density generally adopt the mode of water-cooled to carry out cooling at present, in existing technology, a lot of producers mainly adopt equidistant spiral channel, because the spiral channel cooling water can only be flowed with a direction of rotation in water channel, can't in water channel, form turbulent flow, therefore cooling effect is not very desirable, and there is failure risk in motor.
Summary of the invention
The present invention is for avoiding the existing weak point of above-mentioned prior art, and a kind of equidistant ring formula motor cooling water channel is provided, and to heat exchange coefficient and the heat transfer rate that improves cooling system, reduces electric machine temperature rise, improves the motor reliability.
The present invention is that the technical solution problem adopts following technical scheme:
The design feature of equidistant ring formula motor cooling water channel of the present invention is: described cooling water channel is to be a continuous water stream channel by equidistant and spaced apart Ge road annular chamber connection vertically, and the cooling water inlet of described water stream channel and coolant outlet divide on the water intake end ring and water outlet end ring that is in the two ends position; Described each road annular chamber is one can open and flatly be the split ring of rectangle; Adjacent annular chamber joins end to end, described join end to end the outlet that refers to adjacent upper one annular chamber with lower together with the entrance of annular chamber be connected so that the current that are formed in adjacent annular chamber are contrary around the circumferencial direction on motor case surface.
The design feature of equidistant ring formula motor cooling water channel of the present invention also is:
Center of circle angle between the axis of described cooling water inlet and the axis of coolant outlet is α, and α is zero, or α is non-vanishing.
Described cooling water channel is built in the inner surface of motor case, and cooling water channel and motor case are by the casting one-shot forming.
The cross section of described each road annular chamber is rectangle.
Described adjacent annular chamber is to be arranged in parallel vertically, intercepts mutually by dividing plate radially, and forms and connect and conducting by axial dividing plate and axial transitions bridge.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the current that structure setting of the present invention makes to be formed in adjacent annular chamber are contrary around the circumferencial direction on motor case surface, formed " clockwise-counterclockwise-clockwise-counterclockwise ... " flow direction, heat exchange coefficient and the heat transfer rate of whole cooling system have been improved thus, effectively reduce the temperature rise of motor, improved the functional reliability of motor.
2, the present invention is shaped cooling water channel and motor case one-step casting, forms integral structure, makes the later stage without cooling system is sealed, and has so also improved the processability of product.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is cooling water inlet and coolant outlet position view in the present invention;
Fig. 3 be in the present invention cooling water flow to schematic diagram;
Fig. 4 is cooling principle schematic diagram of the present invention;
Label in Fig. 1: 1 cooling water inlet; 2 dividing plates radially; 3 axial dividing plates; 4 coolant outlets; 5 end axis are to dividing plate; 6 axial transitions bridges; 7 motor cases; 8 toroidal cavities; 9 armature iron cores.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, the version of equidistant loop type motor cooling water channel is:
Cooling water channel is to be a continuous water stream channel by equidistant and spaced apart Ge road annular chamber connection vertically, and the cooling water inlet 1 of water stream channel and coolant outlet are on the water intake end ring and water outlet end ring of two ends position in 4 minutes; Each road annular chamber is one can open and flatly be the split ring of rectangle; Adjacent annular chamber joins end to end, join end to end the outlet that refers to adjacent upper one annular chamber with lower together with the entrance of annular chamber be connected so that the current that are formed in adjacent annular chamber are contrary around the circumferencial direction on motor case surface.
In concrete enforcement, the center of circle angle between the axis of the axis of cooling water inlet 1 and coolant outlet 4 is α, and α is zero, or α is non-vanishing, with the installation requirement of the water inlet pipe and water outlet pipe that meets different occasions; Cooling water channel is built in the inner surface of motor case, and cooling water channel and motor case are by the casting one-shot forming; The cross section of each road annular chamber is rectangle; Adjacent annular chamber is to be arranged in parallel vertically, intercepts mutually by dividing plate 2 radially, and forms and connect and conductings by axial dividing plate 3 and axial transitions bridge 6.
As shown in Figure 3, when machine operation, motor internal is due to copper loss, iron loss, machinery consume equal loss will produce heat, these heats are transmitted to the water channel the inside by electric machine casing 7, after take outside motor to by cooling water, according to heat exchange principle Q=Δ t * ρ * V * C, wherein Δ t is the intake-outlet temperature difference, the density that ρ is water, V is assumed to be one minute volume from the inner water flowed out of motor water channel, C is that specific heat of water holds, cooling water per minute can be obtained from formula and heat Q can be taken out of from motor internal, when these heats of taking out of are enough to allow motor cooling, just can reduce the temperature of motor internal, thereby played the protective effect to motor.
As shown in Figure 4, cooling water channel toroidal cavity 8 becomes to be equally spaced vertically, the number of toroidal cavity can be set according to the length of armature iron core 9, the cross sectional shape of each toroidal cavity is identical orthogonal shape all, be arranged in parallel vertically between toroidal cavity and connected and conducting by axial dividing plate 3 and axial transitions bridge 6, due to the axially existence of dividing plate 3 and axial transitions bridge 6, make in the adjacent annular chamber cooling water current contrary around the circumferencial direction on motor case surface, form " clockwise-counterclockwise-clockwise-counterclockwise ... " the type of flow, turbulization thus, the water outlet end ring forms sealing to dividing plate 5 at port by end axis.
In the present invention, the formation of turbulent flow has improved heat exchange coefficient and the heat transfer rate of cooling system effectively, has reduced the temperature rise of motor, has improved the power density of motor.
Claims (5)
1. an equidistant ring formula motor cooling water channel, it is characterized in that: described cooling water channel is to be a continuous water stream channel by equidistant and spaced apart Ge road annular chamber connection vertically, and the cooling water inlet of described water stream channel (1) and coolant outlet (4) minute are on the water intake end ring and water outlet end ring of two ends position; Described each road annular chamber is one can open and flatly be the split ring of rectangle; Adjacent annular chamber joins end to end, described join end to end the outlet that refers to adjacent upper one annular chamber with lower together with the entrance of annular chamber be connected so that the current that are formed in adjacent annular chamber are contrary around the circumferencial direction on motor case surface.
2. equidistant ring formula motor cooling water channel according to claim 1, it is characterized in that: the center of circle angle between the axis of the axis of described cooling water inlet (1) and coolant outlet (4) is α, α is zero, or α is non-vanishing.
3. equidistant ring formula motor cooling water channel according to claim 1, it is characterized in that: described cooling water channel is built in the inner surface of motor case, and cooling water channel and motor case are by the casting one-shot forming.
4. equidistant ring formula motor cooling water channel according to claim 1, it is characterized in that: the cross section of described each road annular chamber is rectangle.
5. equidistant ring formula motor cooling water channel according to claim 1, it is characterized in that: described adjacent annular chamber is to be arranged in parallel vertically, intercept mutually by dividing plate (2) radially, and form and connect and conducting by axial dividing plate (3) and axial transitions bridge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482686.8A CN103490559A (en) | 2013-10-15 | 2013-10-15 | Equal-interval ring type motor cooling water channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310482686.8A CN103490559A (en) | 2013-10-15 | 2013-10-15 | Equal-interval ring type motor cooling water channel |
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| CN103490559A true CN103490559A (en) | 2014-01-01 |
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| CN201310482686.8A Pending CN103490559A (en) | 2013-10-15 | 2013-10-15 | Equal-interval ring type motor cooling water channel |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
| EP2940835A1 (en) * | 2014-04-29 | 2015-11-04 | Honeywell International Inc. | Electric motor-driven compressor having bi-directional liquid coolant passage |
| CN105099082A (en) * | 2015-09-21 | 2015-11-25 | 上海电机学院 | Annular water channel structure of motor and motor system |
| CN105563035A (en) * | 2016-01-06 | 2016-05-11 | 常州市蓝托金属制品有限公司 | Machining technology of machine shell cooling water way |
| US9537363B2 (en) | 2014-04-30 | 2017-01-03 | Honeywell International Inc. | Electric motor-driven compressor having an electrical terminal block assembly |
| CN106908399A (en) * | 2017-02-09 | 2017-06-30 | 中国航天空气动力技术研究院 | A kind of multi-pass optical measurement compressed tablet for Macker type arc heater |
| US9709068B2 (en) | 2014-02-19 | 2017-07-18 | Honeywell International Inc. | Sealing arrangement for fuel cell compressor |
| CN108432093A (en) * | 2016-01-15 | 2018-08-21 | 大陆汽车有限公司 | Electrically powered machine |
| CN108548570A (en) * | 2018-05-10 | 2018-09-18 | 蔚来汽车有限公司 | Coolant rate method of estimation, temperature estimation method, device, system and vehicle |
| CN110504793A (en) * | 2018-05-18 | 2019-11-26 | 大众汽车有限公司 | For the coolant jacket of coolant circulation and electronic prime mover or working machine |
| CN111502877A (en) * | 2020-04-21 | 2020-08-07 | 四川航天中天动力装备有限责任公司 | Miniature turbojet starts electronic fuel pump and turns back formula heat radiation structure |
| CN115085443A (en) * | 2022-07-15 | 2022-09-20 | 哈尔滨理工大学 | Motor cooling system |
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| CN203491849U (en) * | 2013-10-15 | 2014-03-19 | 安徽巨一自动化装备有限公司 | Equidistant annular type motor cooling water channel |
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2013
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| US4516044A (en) * | 1984-05-31 | 1985-05-07 | Cincinnati Milacron Inc. | Heat exchange apparatus for electric motor and electric motor equipped therewith |
| JP2007143247A (en) * | 2005-11-16 | 2007-06-07 | Ishikawajima Harima Heavy Ind Co Ltd | Water-cooled motor, and method of processing waterway in its motor frame |
| JP2007166814A (en) * | 2005-12-15 | 2007-06-28 | Fuji Electric Systems Co Ltd | Cooling device of rotating machine having permanent magnet |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9709068B2 (en) | 2014-02-19 | 2017-07-18 | Honeywell International Inc. | Sealing arrangement for fuel cell compressor |
| EP2940835A1 (en) * | 2014-04-29 | 2015-11-04 | Honeywell International Inc. | Electric motor-driven compressor having bi-directional liquid coolant passage |
| US9537363B2 (en) | 2014-04-30 | 2017-01-03 | Honeywell International Inc. | Electric motor-driven compressor having an electrical terminal block assembly |
| CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
| CN105099082A (en) * | 2015-09-21 | 2015-11-25 | 上海电机学院 | Annular water channel structure of motor and motor system |
| CN105563035A (en) * | 2016-01-06 | 2016-05-11 | 常州市蓝托金属制品有限公司 | Machining technology of machine shell cooling water way |
| CN108432093A (en) * | 2016-01-15 | 2018-08-21 | 大陆汽车有限公司 | Electrically powered machine |
| CN108432093B (en) * | 2016-01-15 | 2020-01-31 | 大陆汽车有限公司 | Electric machine |
| US11018539B2 (en) | 2016-01-15 | 2021-05-25 | Vitesco Technologies GmbH | Electric machine with helical cooling channels |
| CN106908399A (en) * | 2017-02-09 | 2017-06-30 | 中国航天空气动力技术研究院 | A kind of multi-pass optical measurement compressed tablet for Macker type arc heater |
| CN106908399B (en) * | 2017-02-09 | 2020-02-14 | 中国航天空气动力技术研究院 | Multi-light-path optical measurement compression sheet for laminated arc heater |
| CN108548570A (en) * | 2018-05-10 | 2018-09-18 | 蔚来汽车有限公司 | Coolant rate method of estimation, temperature estimation method, device, system and vehicle |
| CN110504793A (en) * | 2018-05-18 | 2019-11-26 | 大众汽车有限公司 | For the coolant jacket of coolant circulation and electronic prime mover or working machine |
| CN111502877A (en) * | 2020-04-21 | 2020-08-07 | 四川航天中天动力装备有限责任公司 | Miniature turbojet starts electronic fuel pump and turns back formula heat radiation structure |
| CN115085443A (en) * | 2022-07-15 | 2022-09-20 | 哈尔滨理工大学 | Motor cooling system |
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Application publication date: 20140101 |