CN104201933A - Liquid-cooling heat dissipation structure for ultrasonic motor - Google Patents
Liquid-cooling heat dissipation structure for ultrasonic motor Download PDFInfo
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- CN104201933A CN104201933A CN201410445285.XA CN201410445285A CN104201933A CN 104201933 A CN104201933 A CN 104201933A CN 201410445285 A CN201410445285 A CN 201410445285A CN 104201933 A CN104201933 A CN 104201933A
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Abstract
The invention discloses a liquid-cooling heat dissipation structure for an ultrasonic motor. According to the liquid-cooling heat dissipation structure, the stator of the ultrasonic motor is fixed and cooled through a cooling base internally provided with a cooling flow passage, a cooling liquid inlet and a cooling liquid outlet are formed in the cooling base, the cooling liquid enters to the cooling base from the cooling liquid inlet, passes through a cooling inlet flow passage, a cooling annular flow passage and a cooling outlet flow passage, and then flows out from the cooling liquid outlet; the cooling base is configured to be a hollow structure, and the forced convection action of the cooling liquid enables the cooling base to be provided with an extremely high thermal convection coefficient, thus greatly improving the cooling effect of the motor, and then greatly reducing the working temperature rise of the motor. The liquid-cooling heat dissipation structure disclosed by the invention is simple and compact in structure, convenient to install and use, and capable of improving the heat dissipation efficiency and working stability of the ultrasonic motor, thus promoting the popularization and application of the ultrasonic motor.
Description
Technical field
The present invention relates to ultrasound electric machine applied technical field, relate in particular to a kind of cooling structure technical field of ultrasound electric machine.
Background technology
The application of ultrasound electric machine is at present more and more extensive, and in traditional design, the stator of ultrasound electric machine is fixed on the motor base of aluminum, and whole stator and rotor structure are positioned in the motor housing of relative closure; The heat producing in stator conducts to motor base by contact, then is fallen apart to outside air by motor housing.
But, in use there is following problem in the radiating mode of at present common this ultrasound electric machine, because heating is serious when ultrasound electric machine work, under service conditions, can cause very high stator temperature rise continuously, thereby cause the variation of ultrasound electric machine characteristic, as reduction of the drift of resonance frequency, coefficient of friction etc., cause the remarkable decline of motor performance, even the stall of motor; And conventional ultrasound motor housing area of dissipation is limited, and its surface scribbles one deck insulating varnish, and therefore himself heat-sinking capability is inadequate; The lasting rising of ultrasound electric machine working temperature can cause the continuous decrease of its output performance, therefore the main application of ultrasound electric machine is limited in the action drives control field of short time, limits so the limited heat-sinking capability of ultrasound electric machine has become the main cause that it is applied.
In the prior art, for the heat dissipation problem of common electromagnetic machine, industry generally adopts air-cooled heat dissipating method, as air-cooled blade is installed on motor output shaft, when machine operation, blade provides wind regime with rotor high-speed rotation, so that convection current wind is taken away heat to improve radiating efficiency to stator surface.
In addition: Chinese patent publication No. is to disclose a kind of ultrasound electric machine thermoelectric radiating device in CN 102664477A, the denomination of invention patent that is " a kind of thermoelectric radiating device of ultrasound electric machine ", it drives three heat dissipating layers that are filled with inorganic phase-changing material to take away with alternately contacting of thermoelectric module the heat that stator produces by extraneous drive motors, reaches the object that reduces stator temperature.
But, those skilled in the art know that, the air-cooled heat dissipating method of available technology adopting is limited to the radiating efficiency of ultrasound electric machine, because ultrasound electric machine is operated in slow-speed of revolution situation, cannot lean on the rotation of himself that cooling air is provided, and ultrasound electric machine itself is generally applied to the integrated application of Micro Electro Mechanical System, installation dimension is had to strict restriction, and motor housing is installed the air-cooled blade dispelling the heat certainly will increase the volume of motor; Therefore, the air-cooled technology of tradition is not suitable for applying of ultrasound electric machine.
In addition: Chinese patent publication No. is that the cooling system in the patent of CN 102664477A needs extraneous drive motors to drive refrigerating system, its drive mechanism complexity, increase the installation dimension of motor, and can not ensure the close contact of heat dissipating layer and cooling piece, its refrigeration is difficult to ensure, and processing charges is high, complex process, therefore, it is also unfavorable for applying of ultrasound electric machine.
Therefore, those skilled in the art is devoted to a kind of effectively ultrasound electric machine radiator structure of exploitation, significantly to improve radiating efficiency and the job stability of ultrasound electric machine, to promote applying of ultrasound electric machine.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is a kind of effectively ultrasound electric machine radiator structure of exploitation, to reach the object of the radiating efficiency and the job stability that significantly improve ultrasound electric machine, to promote applying of ultrasound electric machine.
For achieving the above object, the invention provides a kind of ultrasound electric machine liquid-cooling heat radiation structure, it is provided with the fixing also stator of cooling ultrasound electric machine of cooling base of coolant flow channel by inside, on cooling base, be provided with cooling liquid inlet and cooling liquid outlet, cooling fluid enters into cooling base from cooling liquid inlet, by cooling inlet channel, cooling annular channel and coolant outlet runner, then flow out from cooling liquid outlet; Cooling base is set to the structure of hollow, and the forced convertion effect of cooling fluid makes it have the great coefficient of heat convection, has greatly increased the cooling effect of motor, thereby greatly reduces the work temperature rise of motor.The present invention is simple in structure, compact, easy to install, can improve radiating efficiency and the job stability of ultrasound electric machine, has promoted applying of ultrasound electric machine.Concrete scheme of the present invention is as described below:
A kind of ultrasound electric machine liquid-cooling heat radiation structure, comprise the cooling base being fixedly connected with the stator of ultrasound electric machine, in described cooling base, be provided with the cooling inlet channel being connected successively, cooling annular channel and coolant outlet runner, the opening of described cooling inlet channel on the sidewall of described cooling base is cooling liquid inlet, and the opening of described coolant outlet runner on the sidewall of described cooling base is cooling liquid outlet; Cooling fluid enters described cooling base from described cooling liquid inlet, passes through successively described cooling inlet channel, described cooling annular channel and described coolant outlet runner, and leaves with cooling described ultrasound electric machine from described cooling liquid outlet.
Preferably, also comprise dividing plate, described dividing plate is arranged in described cooling annular channel; The interface of described cooling inlet channel and described coolant outlet runner and described cooling annular channel is positioned at the both sides of described dividing plate and near described dividing plate.
Preferably, described cooling annular channel is around the axis at the rotating shaft place of described ultrasound electric machine.
Preferably, the structure that described cooling base is hollow.
Preferably, the outer surface at position, described cooling fluid annular channel place is and the mating surface of the stator of described ultrasound electric machine.
Purpose of design is herein, the forced convertion of cooling fluid in described cooling inlet channel, described cooling annular channel and described coolant outlet runner makes water passage surface have the great coefficient of heat convection, ensured the heat dispersion that cooling base is superior under the prerequisite of the cooling base volume of not obvious increase; The heat of the stator interior of ultrasound electric machine conducts to motor base by contact, and takes away rapidly the heat on motor base by cooling fluid, thereby reaches the object of cooling; Described dividing plate is arranged in described cooling annular channel; The interface of described cooling inlet channel and described coolant outlet runner and described cooling annular channel is positioned at the both sides of described dividing plate and near described dividing plate; So that cooling fluid can flow by unidirectional circumferencial direction in described cooling annular channel, improve cooling effectiveness.
Preferably, described cooling base has multiple uniform for connecting the bolt hole of stator of described ultrasound electric machine, and the axis of described bolt hole is parallel to the axis of described cooling base.
Preferably, described cooling base is aluminum alloy material.
Preferably, described cooling base is made up of base plate and grooved drum plate; Described base plate is made up of described First stratum, and described grooved drum plate is at least made up of described second step layer, described the 3rd step layer and described the 4th step layer; On described grooved drum plate, have by the groove of the described cooling inlet channel of machine cuts processes moulding, described cooling annular channel and described coolant outlet runner, described groove is positioned at described second step layer.
Preferably, described grooved drum plate is connected in the mode of welding with described base plate.
Can find out from technique scheme, a kind of ultrasound electric machine liquid-cooling heat radiation of the present invention structure, it is provided with the fixing also stator of cooling ultrasound electric machine of cooling base of coolant flow channel by inside, on cooling base, be provided with cooling liquid inlet and cooling liquid outlet, cooling fluid enters into cooling base from cooling liquid inlet, by cooling inlet channel, cooling annular channel and coolant outlet runner, then flow out from cooling liquid outlet; Cooling base is set to the structure of hollow, and the forced convertion effect of cooling fluid makes it have the great coefficient of heat convection, has greatly increased the cooling effect of motor, thereby greatly reduces the work temperature rise of motor.The present invention is simple in structure, compact, easy to install, can improve radiating efficiency and the job stability of ultrasound electric machine, has promoted applying of ultrasound electric machine.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the cooling base perspective view of ultrasound electric machine radiator structure of the present invention;
Fig. 2 is the generalized section of the cooling base of ultrasound electric machine radiator structure of the present invention and the stator assembly of ultrasound electric machine.
In figure, 1 is First stratum, and 2 is cooling inlet channel, and 3 is cooling annular channel, 4 is coolant outlet runner, and 5 is dividing plate, and 6 is cooling liquid inlet, and 7 is cooling liquid outlet, 8 is the stator of ultrasound electric machine, and 9 is second step layer, and 10 is the 3rd step layer, and 11 is the 4th step layer.
Embodiment
Below in conjunction with drawings and Examples, a kind of ultrasound electric machine liquid-cooling heat radiation structure of the present invention is further described.
Embodiment:
As shown in Figure 1 to Figure 2, Fig. 1 is the cooling base perspective view of ultrasound electric machine radiator structure of the present invention; Fig. 2 is the generalized section of the cooling base of ultrasound electric machine radiator structure of the present invention and the stator assembly of ultrasound electric machine; Fig. 1 and Fig. 2 have illustrated a kind of cooling base and scheme of installation thereof of ultrasound electric machine liquid-cooling heat radiation structure, comprise the cooling base being fixedly connected with the stator 8 of ultrasound electric machine, in described cooling base, be provided with the cooling inlet channel 2, cooling annular channel 3 and the coolant outlet runner 4 that are connected successively, the opening of described cooling inlet channel 2 on the sidewall of described cooling base is cooling liquid inlet 6, and the opening of described coolant outlet runner 4 on the sidewall of described cooling base is cooling liquid outlet 7; Cooling fluid enters described cooling base from described cooling liquid inlet 6, passes through successively described cooling inlet channel 2, described cooling annular channel 3 and described coolant outlet runner 4, and leaves with cooling described ultrasound electric machine from described cooling liquid outlet 7; Also comprise dividing plate 5, described dividing plate 5 is arranged in described cooling annular channel 3; Described cooling inlet channel 2 and described coolant outlet runner 4 is positioned at the both sides of described dividing plate 5 with the interface of described cooling annular channel 3 and near described dividing plate 5; Described cooling annular channel 3 is around the axis at the rotating shaft place of described ultrasound electric machine; The structure that described cooling base is hollow; The outer surface at position, described cooling fluid annular channel place is and the mating surface of the stator 8 of described ultrasound electric machine.
Its specific works flow process is as follows:
The heat that the stator 8 of ultrasound electric machine produces conducts to cooling base by contact, and in order to ensure thermal conduction effect, the stator 8 of ultrasound electric machine can be smeared heat-conducting glue with the contact interface of cooling base; Separately there is the cooling fluid that liquid coolant sources provides to enter coolant flow channel through the cooling liquid inlet 6 of cooling base, cooling fluid is washed away the wall of cooling inlet channel 2, cooling annular channel 3 and coolant outlet runner 4 successively, the forced convertion effect of cooling fluid has ensured that coolant flow channel wall has the very large coefficient of heat convection, ensures that the cooling base of ultrasound electric machine has superior heat dispersion under the prerequisite of not obvious increase motor size; Described dividing plate 5 is arranged in described cooling annular channel 3; Described cooling inlet channel 2 and described coolant outlet runner 4 is positioned at the both sides of described dividing plate 5 with the interface of described cooling annular channel 3 and near described dividing plate 5; So that cooling fluid can flow at the interior unidirectional circumferencial direction of described cooling annular channel 3, improve cooling effectiveness.
In an embodiment, described cooling base has multiple uniform for connecting the bolt hole of stator 8 of described ultrasound electric machine, and the axis of described bolt hole is parallel to the axis of described cooling base; Described cooling base is aluminum alloy material; Described cooling base is made up of base plate and grooved drum plate; Described base plate is made up of described First stratum 1, and described grooved drum plate is at least made up of described second step layer 9, described the 3rd step layer 10 and described the 4th step layer 11; On described grooved drum plate, have by the groove of the described cooling inlet channel 2 of machine cuts processes moulding, described cooling annular channel 3 and described coolant outlet runner 4, described groove is positioned at described second step layer 9; Described grooved drum plate is connected in the mode of welding with described base plate.
Can find out from technique scheme, a kind of ultrasound electric machine liquid-cooling heat radiation of the present invention structure, it is provided with the fixing also stator 8 of cooling ultrasound electric machine of cooling base of coolant flow channel by inside, on cooling base, be provided with cooling liquid inlet 6 and cooling liquid outlet 7, cooling fluid enters into cooling base from cooling liquid inlet 6, by cooling inlet channel 2, cooling annular channel 3 and coolant outlet runner 4, then flow out from cooling liquid outlet 7; Cooling base is set to the structure of hollow, and the forced convertion effect of cooling fluid makes it have the great coefficient of heat convection, has greatly increased the cooling effect of motor, thereby greatly reduces the work temperature rise of motor.The present invention is simple in structure, compact, easy to install, can improve radiating efficiency and the job stability of ultrasound electric machine, has promoted applying of ultrasound electric machine.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in by the determined protection range of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a ultrasound electric machine liquid-cooling heat radiation structure, it is characterized in that, comprise the cooling base being fixedly connected with the stator of ultrasound electric machine, in described cooling base, be provided with the cooling inlet channel being connected successively, cooling annular channel and coolant outlet runner, the opening of described cooling inlet channel on the sidewall of described cooling base is cooling liquid inlet, and the opening of described coolant outlet runner on the sidewall of described cooling base is cooling liquid outlet; Cooling fluid enters described cooling base from described cooling liquid inlet, passes through successively described cooling inlet channel, described cooling annular channel and described coolant outlet runner and leaves with cooling described ultrasound electric machine from described cooling liquid outlet.
2. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, also comprises dividing plate, and described dividing plate is arranged in described cooling annular channel; The interface of described cooling inlet channel and described coolant outlet runner and described cooling annular channel is positioned at the both sides of described dividing plate and near described dividing plate.
3. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, described cooling annular channel is around the axis at the rotating shaft place of described ultrasound electric machine.
4. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, the structure that described cooling base is hollow.
5. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, the outer surface at position, described cooling fluid annular channel place is and the mating surface of the stator of described ultrasound electric machine.
6. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, described cooling base has multiple uniform for connecting the bolt hole of stator of described ultrasound electric machine, and the axis of described bolt hole is parallel to the axis of described cooling base.
7. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, described cooling base is aluminum alloy material.
8. ultrasound electric machine liquid-cooling heat radiation structure according to claim 1, is characterized in that, described cooling base is made up of base plate and grooved drum plate; Described base plate is made up of described First stratum, and described grooved drum plate is at least made up of described second step layer, described the 3rd step layer and described the 4th step layer; On described grooved drum plate, have by the groove of the described cooling inlet channel of machine cuts processes moulding, described cooling annular channel and described coolant outlet runner, described groove is positioned at described second step layer.
9. ultrasound electric machine liquid-cooling heat radiation structure according to claim 8, is characterized in that, described grooved drum plate is connected in the mode of welding with described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445285.XA CN104201933B (en) | 2014-09-03 | 2014-09-03 | Liquid-cooling heat dissipation structure for ultrasonic motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410445285.XA CN104201933B (en) | 2014-09-03 | 2014-09-03 | Liquid-cooling heat dissipation structure for ultrasonic motor |
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| Publication Number | Publication Date |
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| CN104201933A true CN104201933A (en) | 2014-12-10 |
| CN104201933B CN104201933B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410445285.XA Active CN104201933B (en) | 2014-09-03 | 2014-09-03 | Liquid-cooling heat dissipation structure for ultrasonic motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267799A (en) * | 2017-02-13 | 2019-09-20 | 远程声波控股公司 | Ultrasonic treatment system, horn and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08275480A (en) * | 1995-03-30 | 1996-10-18 | Sanden Corp | Flat motor |
| CN201038879Y (en) * | 2007-04-29 | 2008-03-19 | 黄显飚 | A cooling motor bearing device |
| CN201122910Y (en) * | 2007-11-27 | 2008-09-24 | 南京航空航天大学 | High temperature type rotating travelling wave ultrasound electric motor |
| CN101728905A (en) * | 2009-12-14 | 2010-06-09 | 江苏航天动力机电有限公司 | Motor with bearing water cooling structure |
| CN201639438U (en) * | 2009-11-02 | 2010-11-17 | 上海电器科学研究所（集团）有限公司 | Motor stator base and end cap water cooling structure |
| CN102664477A (en) * | 2012-04-24 | 2012-09-12 | 上海交通大学 | Thermoelectricity cooling device of ultrasonic motor |
| CN203056746U (en) * | 2013-01-31 | 2013-07-10 | 分宜宏大煤矿电机制造有限公司 | Novel high strength water cooling electromotor end cover |
-
2014
- 2014-09-03 CN CN201410445285.XA patent/CN104201933B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08275480A (en) * | 1995-03-30 | 1996-10-18 | Sanden Corp | Flat motor |
| CN201038879Y (en) * | 2007-04-29 | 2008-03-19 | 黄显飚 | A cooling motor bearing device |
| CN201122910Y (en) * | 2007-11-27 | 2008-09-24 | 南京航空航天大学 | High temperature type rotating travelling wave ultrasound electric motor |
| CN201639438U (en) * | 2009-11-02 | 2010-11-17 | 上海电器科学研究所（集团）有限公司 | Motor stator base and end cap water cooling structure |
| CN101728905A (en) * | 2009-12-14 | 2010-06-09 | 江苏航天动力机电有限公司 | Motor with bearing water cooling structure |
| CN102664477A (en) * | 2012-04-24 | 2012-09-12 | 上海交通大学 | Thermoelectricity cooling device of ultrasonic motor |
| CN203056746U (en) * | 2013-01-31 | 2013-07-10 | 分宜宏大煤矿电机制造有限公司 | Novel high strength water cooling electromotor end cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267799A (en) * | 2017-02-13 | 2019-09-20 | 远程声波控股公司 | Ultrasonic treatment system, horn and method |
| CN110267799B (en) * | 2017-02-13 | 2023-08-08 | 远程声波控股公司 | Ultrasonic treatment system, horn and method |
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| Publication number | Publication date |
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| CN104201933B (en) | 2017-01-25 |
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