CN106230174A - The water-cooling method of motor - Google Patents
The water-cooling method of motor Download PDFInfo
- Publication number
- CN106230174A CN106230174A CN201610599738.3A CN201610599738A CN106230174A CN 106230174 A CN106230174 A CN 106230174A CN 201610599738 A CN201610599738 A CN 201610599738A CN 106230174 A CN106230174 A CN 106230174A
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- Prior art keywords
- water
- water pipe
- shell
- rubber
- tank
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention discloses the water-cooling method of a kind of motor, step a: arrange a root rubber water pipe in enclosure, and this rubber water pipe is wrapped on the shell between two erection supports vertically, thus forms a helical structure；One end of rubber water pipe is water inlet end, and the other end of this rubber water pipe is water side；Step b: the water inlet end of rubber water pipe is all connected with same tank with water side, and be additionally provided with for the cooler to cooling water temperature in being provided with water pump, and tank in tank；Step c: before motor work, injects the clear water for cooling in tank；During motor work, start water pump and cooler, so that cooling water circulates between tank and rubber water pipe.This method is wound around a water pipe in enclosure, and coordinates by the material of water pipe, the canoe of water pipe and water pipe are organic with the ratio of the internal diameter of shell, forms an indivisible organic whole, thus improves radiating effect in the radial direction well.
Description
Technical field
The invention belongs to machine field, particularly relate to the water-cooling method of a kind of motor.
Background technology
Motor is that one uses power set widely, and it is typically made up of parts such as shell, stator and rotors, its China and foreign countries
Circumferentially arranged with one group of groove that axially dispels the heat on the outer wall of shell, this outer casing bottom be respectively arranged at two ends with an erection support.Outward
Being installed with stator on the inwall of shell, this stator is rotatably assorted with rotor, and the via that the output shaft on rotor is from shell one end is worn
Going out, the other end of this shell is equipped with heat radiation end cap, and this heat radiation end cap is for protecting the cooling fan in motor.During use, electricity
Chance is generated heat, and not only can affect transmission efficiency, precision if the most effectively carrying out dispelling the heat, but also can affect the service life of motor.
Although cooling fan can have certain heat sinking function, but radiating effect is not satisfactory.
In order to improve radiating effect, add again auxiliary-radiating structure and method.The cooling mode master of motor at present
Will be by following several: natural cooling, forced air cooling, self-ventilation and water-cooled, compared with other types of cooling, in equal-wattage grade
Under, use the motor of water-cooling pattern cooling to have volume little, lightweight advantage, the utilization rate of material is higher.Chinese patent is public
Having opened the water-cooling method of multiple motor, such as Chinese patent ZL2012105457033 and disclosed a kind of water-cooled machine, it is described
Being additionally provided with outer housing outside casing, described outer housing is provided with water inlet and outlet, and the inwall of described outer housing is additionally provided with thread, institute
The outer wall in the footpath, the end and described casing of stating thread is in close contact, the gap between described water inlet, two adjacent threads and water outlet
Interruption-forming water stream channel, the thread on described outer housing inwall is double end thread, and the water inlet on described outer housing is with outlet respectively
One end of two water stream channels odontogenetic with described double end spiral shell is connected, and the other end of said two water stream channel passes through casing
On step be connected, described water inlet is provided with water proof circle, described water proof circle is arc-shaped, on described outer housing with described enter
Corresponding position, the mouth of a river is provided with a spline step, the mating shapes of the shape of described spline step and described water proof circle.
And for example Chinese patent ZL201010040014.8 discloses a kind of water-cooled machine and motor cooling means, and it is at support
The outer surface at middle part has multiple accessory plate axially arranged along motor, is formed multiple axial along motor between adjacent accessory plate
Groove, the plurality of groove is equipped with dismountable cooling tube, coolant can flow in cooling tube, described accessory plate edge
The outside of the axial one end of motor is provided around the many siphunculus of water inlet of support outer surface, and the many siphunculus of described water inlet are provided with at least one
Water inlet, accessory plate is provided around the many siphunculus of draining of support outer surface along the outside of the axial other end of motor, and described draining is many
Siphunculus is provided with at least one discharge outlet, and the two ends of described cooling tube connect with the many siphunculus of water inlet and the many siphunculus of draining respectively, institute
Stating the inside of accessory plate is to be formed between hollow-core construction, and electric machine stator iron along the axial ventilation slot of motor.
In use, it has been found that although existing water-cooled machine cooling effect ratio is individually with radiator fan
Mode increase, but cooling effect or not ideal；What is more important, existing auxiliary heat dissipation mode is not only
Needing to increase the manufactured parts of more than at least 4, structure is the most complicated, and generally requires the internal structure changing motor, so
Just being added significantly to production difficulty and manufacturing cost, and take away heat when motor works to lead to supercooled water, these increase
The waterway of Cooling Water to be formed flowing, the thus accuracy of manufacture and the waterway to shell between the parts and the shell that add
Waterproof sealing problem propose the highest required precision, once occur leaking it is possible to can drain in motor housing, with shell
Internal energized components contact, thus cause getting an electric shock, and then cause serious security incident.
Summary of the invention
The technical problem to be solved is to provide a kind of good heat dissipation effect, simple in construction and safety high
The water-cooling method of motor.
Technical scheme is as follows: the water-cooling method of a kind of motor, including shell (1) and radiator fan (8), wherein
Being evenly distributed the groove that axially dispels the heat (1a) on the outer wall of shell (1), the two ends of shell (1) bottom have an installation respectively
Seat (1b)；Stator on described shell (1) inwall is installed and is provided with stator (5) in groove, and this stator rotates with rotor (6) joins
Close；The output shaft (7) of described rotor (6) one end via from shell (1) passes, and the other end at rotor has described radiation air
Fan (8), this radiator fan is blocked by the heat radiation end cap (1c) on shell (1), it is characterised in that comprise the steps:
Step a: arranging a root rubber water pipe (2) in described shell (1) outside, this rubber water pipe is wrapped in two vertically
On shell (1) between described erection support (1b), thus form a helical structure, and shell (1) is by rubber water pipe (2)
It is divided into the ring segment (2a) that several endings are connected；Adjacent two described ring segments (2a) are closely packed together, and ring segment place
Plane is vertical with the axial line of shell (1), and the whole periphery of ring segment (2a) and corresponding described axial heat radiation groove
(1a) notch is in close contact；The wall thickness of described rubber water pipe (2) is 2-2.5mm, the internal diameter of this rubber water pipe and shell (1)
The ratio of internal diameter is n, and 0.1≤n≤0.18；One end of described rubber water pipe (2) is water inlet end, and the other end of this rubber water pipe is
Water side, and this water side and described heat radiation end cap (1c) be positioned at same one end；
Step b: the water inlet end of described rubber water pipe (2) is all connected with same tank (3) with water side, and at tank
(3) it is provided with for the water pump (4) of rubber water pipe (2) internal pump water in, and is additionally provided with for cooling water temperature in tank (3)
Cooler；
Step c: before motor work, injects the clear water for cooling in tank (3)；During motor work, start described
Water pump (4) and cooler, so that cooling water circulates between tank (3) and rubber water pipe (2), and return to tank (3)
Interior hot water is input in rubber water pipe (2) by water pump (4) after being cooled down by described cooler.
In technique scheme, this method arranges a root rubber water pipe (2), this robber cement in described shell (1) outside
On the shell (1) that pipe is wrapped between two erection supports vertically, thus form a helical structure, and shell (1) will
Rubber water pipe (2) is divided into the ring segment (2a) that several endings are connected, and adjacent two described ring segments (2a) are closely packed together, this
Sample just can significantly increasing heat radiation area, and heat dissipation region is looped around whole shell (1) outside, and heat dissipation region is big and uniformly.This case
Middle employing rubber water pipe (2) accommodates cooling water, and one is for the ease of drawing materials, and two is the heat transfer efficiency height of rubber water pipe (2), rubber
Glue transfers heat to than metal material mass-energy cool down in water more in time, thus logical supercooled water takes away heat in time.
Meanwhile, ring segment place plane is vertical with the axial line of shell (1), and the whole periphery of ring segment (2a) is with corresponding
Described axial heat radiation groove (1a) notch be in close contact, thus can structurally ensure from the groove that axially dispels the heat (1a) dissipate
Heat heat out can pass through ring segment (2a) in time and carry out heat exchange, thus carried in time by the cooling water in rubber water pipe (2)
Walk；Further, the wall thickness of rubber water pipe (2) is 2-2.5mm, the most both can guarantee that robber cement pipe (2) had enough intensity, anti-
Only because after bending because of insufficient strength breach, thus avoid leaking, and then stop to cause the security incident got an electric shock, can guarantee that again
Heat in time, effectively wall thickness through rubber water pipe (2) enter in rubber water pipe (2).It addition, the current cooling of the present invention is logical
Road, in rubber water pipe (2), is not related with shell, even if leaking, water is not easy to enter motor internal from motor housing, this
Sample also can fundamentally be avoided causing because leaking getting an electric shock.
Further, the internal diameter of rubber water pipe (2) is n with the ratio of the internal diameter of shell (1), and 0.1≤n≤0.18.Due to motor
Dimensions the biggest, heat during its work is the biggest, and the internal diameter of outer cover of motor is the biggest, in this case rubber water pipe
(2) internal diameter also requires that corresponding increase.In the present case, the internal diameter of rubber water pipe (2) is n with the ratio of the internal diameter of shell (1), this
The meaning of ratio is that heat during motor work is the biggest, the most proportional increase of internal diameter of rubber water pipe (2), thus
Can preferably mate the shell of different size specification.Meanwhile, in this case, the parameter area of n is more suitable, if n is too small, although can
The area of dissipation summation formed outside shell (1) to increase rubber water pipe (2) to be wrapped in, but the interior of rubber water pipe (2) can be caused
Footpath is less, and cooling water flow velocity in rubber water pipe (2) is the highest, thus can affect radiating effect；If otherwise n is excessive, although
Can increase the internal diameter of rubber water pipe (2), corresponding raising cools down water flow velocity in rubber water pipe (2), but can reduce rubber water pipe
(2) it is wrapped in the area of dissipation summation that shell (1) outside is formed, the most also can reduce radiating effect.Therefore, rubber water pipe
(2) internal diameter is a critically important technical parameter with the ratio of shell (1) internal diameter, 0.1≤n≤0.18 parameter area in this case
Moderate, it has taken into account water velocity and area of dissipation summation well, because water velocity and area of dissipation summation all can affect
Radiating effect, thus comprehensively improve shell radiating effect in the radial direction.It addition, one end of rubber water pipe (2) is water inlet
End, the other end of this rubber water pipe is water side, and this water side is positioned at same one end with described heat radiation end cap (1c), thus makes
Cooling water is consistent with the heat flow direction produced by radiator fan along the flow direction that shell (1) is axial, the most again can be fine
Axial Thermal stream in motor is dispelled the heat by ground, this axially on heat radiation organically combine with shell heat radiation in the radial direction,
So that this case forms close ties, coordinates and indivisible entirety, and then improve dissipating of motor housing well
Thermal effect.
In sum, this method is wound around a water pipe in enclosure, and by the material of water pipe, the canoe of water pipe
And water pipe is organic with the ratio of the internal diameter of shell coordinates, forms an indivisible organic whole, thus improve footpath well
Radiating effect on direction, and improve the heat radiation effect of axial direction by controlling the flow direction of water pipe inner cooling water simultaneously
Really, and radial and axial on heat radiation combine and effectively improve the integral heat sink effect of shell；And cool down the cooling of water
Passage is only in water pipe, and does not contacts with shell, thus it is hidden to be inherently eliminated the safety causing getting an electric shock because leaking
Suffer from；And, this method improves the entirety of shell the most effectively, dexterously by increasing a water pipe, tank, water pump and cooler
Radiating effect, increases that parts are few and simple in construction, it is not required that shell does any transformation, with low cost, implements easily,
The most very effectively overcome prior art increase that parts are many, structure is complicated, it is big to change existing structure, manufacture difficulty big,
Cost is high and there is the defect of electric shock probability, has good practicality.
Optimization as the present invention designs, and the internal diameter of described rubber water pipe (2) is 0.15 with the ratio of the internal diameter of shell (1).
Using above structure to design, between this parameter designing can preferably be taken into account and balance, water velocity is total with area of dissipation
Relation between and, thus further improve shell radiating effect in the radial direction.
As decision design, the wall thickness of described rubber water pipe (2) is 2.25mm.Use above-mentioned parameter so that rubber water pipe
(2) have enough structural strengths and good heat conductivility concurrently, it is thus possible to dispel the heat more rapidly, and then improve the property of the present invention
Energy.
As preferably, described cooler uses refrigeration machine.Certainly, in actual manufacture process, it is also possible to use other to set
For serving as cooler, such as blower fan, condenser etc..
Beneficial effect: this method is wound around a water pipe in enclosure, and by the material of water pipe, the canoe of water pipe
And water pipe is organic with the ratio of the internal diameter of shell coordinates, forms an indivisible organic whole, thus improve footpath well
Radiating effect on direction, and improve the heat radiation effect of axial direction by controlling the flow direction of water pipe inner cooling water simultaneously
Really, and radial and axial on heat radiation combine and effectively improve the integral heat sink effect of shell；And cool down the cooling of water
Passage is only in water pipe, and does not contacts with shell, thus it is hidden to be inherently eliminated the safety causing getting an electric shock because leaking
Suffer from；And, this method improves the entirety of shell the most effectively, dexterously by increasing a water pipe, tank, water pump and cooler
Radiating effect, increases that parts are few and simple in construction, it is not required that shell does any transformation, with low cost, implements easily, this
Sample the most very effectively overcomes prior art increase, and parts are many, structure is complicated, it is big to change existing structure, manufacture difficulty is big, one-tenth
This height and there is the defect of electric shock probability, has good practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation shown in this method.
Fig. 2 is the cross section view of Fig. 1.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, 2, the water-cooling method of a kind of motor, including shell 1 and radiator fan 8, its housing 1 is cast for aluminum
Part, the outer wall of this shell 1 has been evenly distributed one group of groove 1a that axially dispels the heat, and the two ends bottom shell 1 have a peace respectively
Dress bearing 1b.Stator on shell 1 inwall is installed in groove and is provided with stator 5, and this stator is rotatably assorted with rotor 6, and it is concrete
Mounting structure be prior art.The output shaft 7 of rotor 6 one end via from shell 1 passes, and the other end at rotor has scattered
Hot-air fan 8, this radiator fan is blocked by the heat radiation end cap 1c on shell 1, and has louvre on heat radiation end cap 1c.Motor works
Time, the mainly axially heat radiation groove 1a at radiator fan and on shell 1 of the heat in motor housing drains, i.e. axially heat radiation and
Radially heat radiation is main heat dissipation path, and therefore the two heat dissipation path has just become the direction improved.It is characterized in that including as
Lower step:
Step a: arrange a root rubber water pipe 2 outside shell 1, this rubber water pipe 2 is wrapped in two installations vertically
On shell 1 between seat 1b, thus form a helical structure, the axial line of this helical structure and the axle center of shell 1
Line is on same straight line, and rubber water pipe 2 is divided into the ring segment 2a that one group of ending is connected by shell 1.Certainly, water pipe 2 also may be used
To change fire-fighting water bag into.
As shown in Figure 1, 2, adjacent two ring segment 2a are closely packed together, and ring segment place plane and the axle center of shell 1
Line is vertical, and the whole periphery of ring segment 2a is in close contact with corresponding axially heat radiation groove 1a notch.The wall of rubber water pipe 2
Thickness is 2-2.5mm, and can more preferably 2.1,2.15,2.3 and 2.45mm.The internal diameter of rubber water pipe and the internal diameter of shell 1
Ratio be n, and 0.1≤n≤0.18, and can more preferably 0.1≤n≤0.14 and 0.15≤n≤0.18.At the present embodiment
In, the internal diameter of rubber water pipe can also be 0.13,0.15 and 0.17 with the ratio of the internal diameter of shell 1.
One end of rubber water pipe 2 is water inlet end, and the other end of this rubber water pipe 2 is water side, and the going out of this rubber water pipe 2
Water end (W.E.) is positioned at same one end with heat radiation end cap 1c.In actual manufacture process, it is possible to so that the water inlet end of robber cement pipe 2 and radiating end
Lid 1c is positioned at same one end.During use, the water inlet end of rubber water pipe 2 all connects with same tank 3 with water side.Set in tank 3
Having for the water pump 4 to rubber water pipe 2 internal pump water, this water pump 4 is to the water inlet end pump water of rubber water pipe 2, and water pump 4 and robber cement
The water inlet end connected mode of pipe 2 is prior art, does not repeats at this.
Step b: the water inlet end of rubber water pipe 2 is all connected with same tank 3 with water side, and is provided with in tank 3
For the water pump 4 to rubber water pipe 2 internal pump water, and it is additionally provided with for the cooler to cooling water temperature in tank 3.Cooling system
Kind varied, such as fan or condenser, this case uses refrigeration machine.
Step c: before motor work, injects the clear water for cooling in tank 3；During motor work, start water pump 4 He
Cooler, so that cooling water circulates between tank 3 and rubber water pipe 2, and returns to the hot water in tank 3 by cooler
It is input in rubber water pipe 2 by water pump 4 after cooling.After motor quits work, start water pump 4 and cooler continues to run with, treat electricity
After machine cools down completely, water pump 4 and cooler are out of service.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. a water-cooling method for motor, including shell (1) and radiator fan (8), the most equal on the outer wall of its housing (1)
Being furnished with the groove that axially dispels the heat (1a), the two ends of shell (1) bottom have an erection support (1b) respectively；Described shell (1) inwall
On stator install in groove stator (5) be installed, this stator is rotatably assorted with rotor (6)；The output of described rotor (6) one end
The axle (7) via from shell (1) passes, and the other end at rotor has described radiator fan (8), and this radiator fan is by shell
(1) the heat radiation end cap (1c) on blocks, it is characterised in that comprise the steps:
Step a: arranging a root rubber water pipe (2) in described shell (1) outside, this rubber water pipe is wrapped in described in two vertically
On shell (1) between erection support (1b), thus form a helical structure, and rubber water pipe (2) is divided into by shell (1)
The ring segment (2a) that several endings are connected；Adjacent two described ring segments (2a) are closely packed together, and ring segment place plane
Vertical with the axial line of shell (1), and the whole periphery of ring segment (2a) and corresponding described axial heat radiation groove (1a) groove
Mouth is in close contact；The wall thickness of described rubber water pipe (2) is 2-2.5mm, the ratio of the internal diameter of the internal diameter of this rubber water pipe and shell (1)
For n, and 0.1≤n≤0.18；One end of described rubber water pipe (2) is water inlet end, and the other end of this rubber water pipe is water side,
And this water side is positioned at same one end with described heat radiation end cap (1c)；
Step b: the water inlet end of described rubber water pipe (2) is all connected with same tank (3) with water side, and in tank (3)
Inside it is provided with for the water pump (4) of rubber water pipe (2) internal pump water, and is additionally provided with for the fall to cooling water temperature in tank (3)
Temperature device；
Step c: before motor work, injects the clear water for cooling in tank (3)；During motor work, start described water pump
(4) and cooler, so that cooling water circulates between tank (3) and rubber water pipe (2), and return in tank (3)
Hot water is input in rubber water pipe (2) by water pump (4) after being cooled down by described cooler.
The water-cooling method of motor the most according to claim 1, it is characterised in that: the internal diameter of described rubber water pipe (2) and shell
(1) ratio of internal diameter is 0.15.
The water-cooling method of motor the most according to claim 1, it is characterised in that: the wall thickness of described rubber water pipe (2) is
2.25mm。
The water-cooling method of motor the most according to claim 1, it is characterised in that: described cooler uses refrigeration machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599738.3A CN106230174A (en) | 2016-07-27 | 2016-07-27 | The water-cooling method of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599738.3A CN106230174A (en) | 2016-07-27 | 2016-07-27 | The water-cooling method of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230174A true CN106230174A (en) | 2016-12-14 |
Family
ID=57533006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610599738.3A Pending CN106230174A (en) | 2016-07-27 | 2016-07-27 | The water-cooling method of motor |
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| Country | Link |
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| CN (1) | CN106230174A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107278470A (en) * | 2017-07-14 | 2017-10-24 | 中国农业科学院农田灌溉研究所 | A kind of reel sprinkling irrigation machine that synchronously can be applied fertilizer or spray insecticide |
| CN108534583A (en) * | 2017-08-10 | 2018-09-14 | 北京市鑫全盛科技有限公司 | Constrictor and water-filled radiator for water-filled radiator |
| CN108539908A (en) * | 2018-04-29 | 2018-09-14 | 杭州桢正玮顿运动控制技术有限公司 | A kind of water cooling machine casing of motor and preparation method thereof |
| CN111711308A (en) * | 2020-07-07 | 2020-09-25 | 南通雄亚机电制造有限公司 | Water-cooling heat dissipation's motor housing |
| CN114063370A (en) * | 2021-07-27 | 2022-02-18 | 深圳市科金明电子股份有限公司 | Quick heat radiation structure and projecting apparatus of projecting apparatus |
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| CN202872574U (en) * | 2012-09-27 | 2013-04-10 | 蔡灵芝 | Novel heat dissipation motor used for sewing machine |
| EP2608365A1 (en) * | 2011-12-22 | 2013-06-26 | Joy Ride Technology Co., Ltd. | Electric motor having heat pipes |
| CN204046359U (en) * | 2014-08-11 | 2014-12-24 | 衢州科创工业设计服务有限公司 | A kind of water cooled machine cover |
| CN205336037U (en) * | 2015-12-19 | 2016-06-22 | 孙旭亚 | Motor with heat radiation structure |
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| EP2608365A1 (en) * | 2011-12-22 | 2013-06-26 | Joy Ride Technology Co., Ltd. | Electric motor having heat pipes |
| CN202872574U (en) * | 2012-09-27 | 2013-04-10 | 蔡灵芝 | Novel heat dissipation motor used for sewing machine |
| CN204046359U (en) * | 2014-08-11 | 2014-12-24 | 衢州科创工业设计服务有限公司 | A kind of water cooled machine cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107278470A (en) * | 2017-07-14 | 2017-10-24 | 中国农业科学院农田灌溉研究所 | A kind of reel sprinkling irrigation machine that synchronously can be applied fertilizer or spray insecticide |
| CN108534583A (en) * | 2017-08-10 | 2018-09-14 | 北京市鑫全盛科技有限公司 | Constrictor and water-filled radiator for water-filled radiator |
| CN108534583B (en) * | 2017-08-10 | 2023-12-01 | 北京市鑫全盛科技有限公司 | Contractor for water-cooling radiator and water-cooling radiator |
| CN108539908A (en) * | 2018-04-29 | 2018-09-14 | 杭州桢正玮顿运动控制技术有限公司 | A kind of water cooling machine casing of motor and preparation method thereof |
| CN108539908B (en) * | 2018-04-29 | 2024-06-11 | 杭州桢正玮顿运动控制技术有限公司 | Motor water-cooling shell and manufacturing method thereof |
| CN111711308A (en) * | 2020-07-07 | 2020-09-25 | 南通雄亚机电制造有限公司 | Water-cooling heat dissipation's motor housing |
| CN114063370A (en) * | 2021-07-27 | 2022-02-18 | 深圳市科金明电子股份有限公司 | Quick heat radiation structure and projecting apparatus of projecting apparatus |
| CN114063370B (en) * | 2021-07-27 | 2023-10-03 | 深圳市科金明电子股份有限公司 | Quick heat radiation structure of projector and projector |
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Application publication date: 20161214 |