CN108644127A - A kind of water-cooled brshless DC motor water pump - Google Patents
A kind of water-cooled brshless DC motor water pump Download PDFInfo
- Publication number
- CN108644127A CN108644127A CN201810756822.0A CN201810756822A CN108644127A CN 108644127 A CN108644127 A CN 108644127A CN 201810756822 A CN201810756822 A CN 201810756822A CN 108644127 A CN108644127 A CN 108644127A
- Authority
- CN
- China
- Prior art keywords
- water
- brshless
- cooled
- cover board
- rotor
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
-
- 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
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of water-cooled brshless DC motor water pumps, including rear cover, pump case main body, rotor assembly, field frame assembly and impeller；Rotor assembly includes shaft and the rotor that is socketed in shaft；Water proof chamber is equipped between rear cover and pump case main body, water proof chamber includes the round object placing cavity being located in rear cover, round object placing cavity top extends radially outward the step circles portion to be formed and be relatively large in diameter, the extrados in step circles portion extends radially outward to form flange portion, and flange portion upper and lower surface is detachably fixed with pump case main body with rear cover respectively；The opening in step circles portion is fixed with seal cover board, and at least one water-guiding hole is offered on seal cover board, and shaft is rotatably fixed at seal cover board center, and rotor is located in round object placing cavity, and impeller is located at the other side of the relative rotor of seal cover board；Field frame assembly is located between round object placing cavity and rear cover；The present invention is intended to provide a kind of water-cooled brshless DC motor water pump, simple in structure, and good airproof performance.
Description
Technical field
The present invention relates to a kind of water pumps, more specifically, it relates to a kind of water-cooled brshless DC motor water pump.
Background technology
Water pump is a kind of machinery conveying liquid or liquid is made to be pressurized, and operation strategies are very extensive.
For the motor of water pump after working long hours, body easy tos produce high temperature, influences motor operation.Water currently on the market
Pump mostly uses greatly air-cooled mode, i.e., is cooled down to motor by fan, this type of cooling heat dissipation effect is poor, and noise
It is very big.In the prior art, small part is cooled down in the way of water cooling using the water pump of brshless DC motor, it is relatively air-cooled
For, the cooling effect of water cooling is more notable, and empty calory is dispersed into environment, still, due to being deposited in the stator of brshless DC motor
In a large amount of winding, water cooling needs good mechanical sealing performance, in case of leaking, can cause motor insulation breakdown, even
Burn motor.Water-cooled brshless DC motor water pump currently on the market, structure is all more complicated, and leakproofness is poor, deposits
In hidden leakage defect.
It is, therefore, desirable to provide a kind of new technical solution solves the problems, such as this.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of water-cooled brshless DC motor water
Pump, it is simple in structure, and good airproof performance.
To achieve the above object, the present invention provides following technical solutions：A kind of water-cooled brshless DC motor water pump, packet
Include rear cover, pump case main body, rotor assembly, field frame assembly and impeller；The pump case main body is equipped with water inlet pipe and outlet pipe；It is described
Rotor assembly includes shaft and the rotor that is socketed in shaft；The field frame assembly is arranged around the rotor；The impeller set
It is connected on the shaft end of shaft；Water proof chamber is equipped between the rear cover and pump case main body, the water proof chamber includes the circle being located in rear cover
Shape object placing cavity, the circle object placing cavity top extend radially outward the step circles portion to be formed and be relatively large in diameter, the step circles portion
Extrados extend radially outward to form flange portion, the flange portion upper surface is detachably fixed with pump case main body, the method
The lower surface in blue portion is detachably fixed with rear cover；The opening in the step circles portion is fixed with seal cover board, the seal cover board
On offer at least one water-guiding hole, the shaft is rotatably fixed at seal cover board center, and the rotor be located at circle
In shape object placing cavity, the impeller is located at the other side of the relative rotor of seal cover board；The field frame assembly is located at round object placing cavity
Between rear cover.
Further it is arranged, is offered and the mutually matched annular groove of seal cover board on the intrados in the step circles portion.
Further it is arranged, the limited block axially extended, the sealing cover is provided on the intrados in the step circles portion
The bottom end of plate is provided with the smaller spacing ring of diameter, and the limit being slidably matched with limited block is offered on the extrados of the spacing ring
Position slot.
Further setting, circumferentially gap setting has at least one arc-shaped interconnecting piece for the flange portion upper surface, often
The side of a interconnecting piece inwardly offers card slot, the bottom end of the pump case main body extend radially outward to be formed it is several with
The fixture block of corresponding card slot rotatable engagement.
The bottom of further setting, each card slot is downwardly extending recessed portion, the bottom end of each fixture block to
Under extend to form and the mutually matched salient point of corresponding recessed portion.
Further setting, each card slot are in that arc transition is arranged in the bottom of notch.
Further setting, if being fixed with bolt stem on the lower surface of the flange portion, covers after described and offers several phases
The threaded hole mutually coordinated.
Further it is arranged, offers several slots on the lower surface of the flange portion, the field frame assembly top is in an axial direction
Extend to form several and mutually matched inserting column of slot.
Further setting, bearing is provided between the shaft and seal cover board.
In conclusion the present invention has the advantages that compared with prior art：
First, being provided with the water proof chamber of indent between pump case main body and rear cover, while fixed rotor, water is cyclically imported
Chamber is exported, and realizes that stator and rotor are separated on the basis of with one heart, rotor assembly is dropped in water environment always
Temperature, and the field frame assembly with winding be then terminated between water proof chamber and rear cover without in hydrospace, avoiding leaking；
Second, seal cover board is embedded in annular groove, the two realizes transition cooperation, and prevents seal cover board phase by limited block
To rotation, without screw, firmly fixed with water proof chamber, good stability.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of explosive view of water-cooled brshless DC motor water pump embodiment of the present invention.
Fig. 2 is the three-dimensional structure diagram I of water proof chamber.
Fig. 3 is the three-dimensional structure diagram II of water proof chamber.
Fig. 4 is the front view of rotor assembly.
Fig. 5 is the side view of rotor assembly.
Fig. 6 is the partial enlarged view at A in Fig. 1.
Fig. 7 is the partial enlarged view at B in Fig. 3.
Fig. 8 is the partial enlarged view at C in Fig. 1.
Fig. 9 is the three-dimensional structure diagram of rear cover.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of water-cooled brshless DC motor water pump, including it is rear cover 1, pump case main body 2, rotor assembly 3, fixed
Sub- assembly 4 and impeller 5, pump case main body 2 are equipped with water inlet pipe 21 and outlet pipe 22, and the setting of 4 surrounding rotor 32 of field frame assembly is such as schemed
Shown in 4 and Fig. 5, rotor assembly 3 includes shaft 31 and the rotor 32 being socketed in shaft 31, and impeller 5 is socketed in the axis of shaft 31
End, wherein water proof chamber 6 is equipped between rear cover 1 and pump case main body 2, as shown in Figures 2 and 3, water proof chamber 6 includes being located in rear cover 1
Round object placing cavity 61,61 top of round object placing cavity extends radially outward the step circles portion 62 to be formed and be relatively large in diameter, step circles
The extrados in portion 62 extends radially outward to form flange portion 63, and 63 upper end of flange portion is detachably fixed with pump case main body 2 to be connect,
63 lower end of flange portion is detachably fixed with rear cover 1, as shown in Figure 2 and Figure 9, in a specific embodiment, under flange portion 63
If being fixed with bolt stem 634 on surface, several mutually matched threaded holes 11 are offered on rear cover 1,63 lower end of flange portion passes through
Bolt 634 is detachably fixed with the realization of rear cover 1；Shown in as shown in Figure 1, Figure 3 and Figure 4, the opening in step circles portion 62 is fixed with sealing
Cover board 7, shaft 31 are rotatably fixed at 7 center of seal cover board, specifically, being opened up for shaft 31 at 7 center of seal cover board
The through-hole passed through, shaft 31 are fixed in through-hole, and a bearing 8 is arranged between shaft 31 and seal cover board 7, to reduce shaft
Frictional force when 31 rotation；As shown in figure 5, offering at least one water-guiding hole 71 on seal cover board 7, water-guiding hole 71 is preferably two
A, convenient for inflow and outflow simultaneously, after shaft 31 is rotatably fixed on seal cover board 7,32 one end of rotor is located just at recessed
In round object placing cavity 61, and impeller 5 is then located at the other side of 7 relative rotor 32 of seal cover board, water inlet of the flow from pump case main body 2
Pipe 21 flows into enclosure interior, and under the action of impeller 5, flow makes to turn out of water-guiding hole 71 enters round object placing cavity 61 chamber
Son 32 is cooled down in water environment（There is no winding on the rotor 32 of brshless DC motor）, and flow back to pump case in water-guiding hole 71
It inside main body 2, is finally flowed out from outlet pipe 22 under the effect of impeller 5, so that heat is pulled away in time in water cycle；Such as figure
Shown in 1, field frame assembly 4 is located between round object placing cavity 61 and rear cover 1, in a specific embodiment, the following table of flange portion 63
Several slots 635 are offered on face, 4 top of field frame assembly axially extends to form several and 635 mutually matched inserting column of slot
41, field frame assembly 4 is fixed by way of grafting；Field frame assembly 4 and rotor 32 realize under the action of water proof chamber 6
Separating dry space from moist space, stator are located in a closed no hydrospace, prevent to leak, safety higher, recessed among water proof chamber 6
Design can make field frame assembly 4 and rotor 32 still keep concentric, ensure the normal work of motor.
In a specific embodiment, graphite bearing can be used in bearing 8, in the working environment of water lubrication, motor operation
Noise is small, 8 longer life expectancy of bearing；The both sides of bearing 8 can block the clamp spring for setting and being abutted with 8 inner ring of bearing（Do not show in figure）, pass through
Clamp spring is contradicted with the through-hole at 7 center of seal cover board, and then realizes that shaft 31 is rotatably fixed on seal cover board 7.
As shown in Figure 3 and Figure 4, it is offered on the intrados in step circles portion 62 recessed with 7 mutually matched annular of seal cover board
Slot 621, seal cover board 7 are embedded in the annular groove 621 in step circles portion 62 by the way of transition cooperation, are not needed screw
Fixed, structural stability is high, and limit is realized on axial direction；In order to further increase the stability of seal cover board 7, to ensure to turn
The normal table of axis 31 rotates, as shown in figure 3, the limited block 622 axially extended is provided on the intrados in step circles portion 62,
As shown in Fig. 1, Fig. 4 and Fig. 6, the bottom end of seal cover board 7 is provided with the smaller spacing ring 72 of diameter, on the extrados of spacing ring 72
The limiting slot 721 being slidably matched with limited block 622 is offered, when installation, by the limiting slot 721 of seal cover board 7 along limited block
622 are slid downwardly into step circles portion 62,, can be with by the limited block 622 being axially arranged until be embedded in annular groove 621
Prevent seal cover board 7 from being circumferentially rotated in annular groove 621, stability higher.
As shown in Figure 3 and Figure 7, circumferentially gap setting has at least one arc-shaped interconnecting piece to 63 upper surface of flange portion
631, the side of each interconnecting piece 631 inwardly offers card slot 632, and as illustrated in figures 1 and 8, the bottom end of pump case main body 2 is along diameter
It is several with the fixture block 23 of 632 rotatable engagement of corresponding card slot to extending outward to form, it, can be by card by rotating pump case main body 2
Block 23 is inserted into card slot 632, realizes that the connection that is detachably fixed of the two, dismounting are more convenient；In addition, for the company of further increasing
Stability is connect, as shown in Figure 7 and Figure 8, the bottom of each card slot 632 is downwardly extending recessed portion 633, the bottom of each fixture block 23
End be downwardly extending with 633 mutually matched salient point 231 of corresponding recessed portion, when installation, firmly overcome frictional force by salient point
231 are pushed into recessed portion 633, and then play preferable position-limiting action, specifically, the highly preferred of protrusion is 1-3mm, avoid height
Height is spent, salient point 231 is contradicted with card slot 632；As shown in fig. 7, each card slot 632 is in arc transition in the bottom of notch
Setting, is conducive to salient point 231 being pushed into recessed portion 633, avoids rigid conflict.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of water-cooled brshless DC motor water pump, including rear cover (1), pump case main body (2), rotor assembly (3), field frame assembly
(4) and impeller (5)；The pump case main body (2) is equipped with water inlet pipe (21) and outlet pipe (22)；The rotor assembly (3) includes
Shaft (31) and the rotor (32) being socketed in shaft (31)；The field frame assembly (4) is arranged around the rotor (32)；It is described
Impeller (5) is socketed in the shaft end of shaft (31)；It is characterized in that：Water proof chamber is equipped between the rear cover (1) and pump case main body (2)
(6), the water proof chamber (6) includes the round object placing cavity (61) being located in rear cover (1), and described circle object placing cavity (61) top is along diameter
To the step circles portion (62) being relatively large in diameter is extended outward to form, the extrados of the step circles portion (62) extends radially outward shape
At flange portion (63), flange portion (63) upper surface is detachably fixed with pump case main body (2), the following table of the flange portion (63)
Face is detachably fixed with rear cover (1)；The opening of the step circles portion (62) is fixed with seal cover board (7), the seal cover board
(7) at least one water-guiding hole (71) is offered on, the shaft (31) is rotatably fixed at seal cover board (7) center, and
The rotor (32) is located in round object placing cavity (61), and the impeller (5) is located at the another of the relative rotor (32) of seal cover board (7)
Side；The field frame assembly (4) is located between round object placing cavity (61) and rear cover (1).
2. a kind of water-cooled brshless DC motor water pump according to claim 1, it is characterized in that：The step circles portion (62)
Intrados on offer with seal cover board (7) mutually matched annular groove (621).
3. a kind of water-cooled brshless DC motor water pump according to claim 2, it is characterized in that：The step circles portion (62)
Intrados on be provided with the limited block (622) axially extended, it is smaller that the bottom end of the seal cover board (7) is provided with diameter
Spacing ring (72) offers the limiting slot (721) being slidably matched with limited block (622) on the extrados of the spacing ring (72).
4. a kind of water-cooled brshless DC motor water pump according to claim 1, it is characterized in that：On the flange portion (63)
Circumferentially gap setting has at least one arc-shaped interconnecting piece (631) on surface, the side of each interconnecting piece (631) to
Inside offer card slot (632), the bottom end of the pump case main body (2) extend radially outward to be formed it is several with corresponding card slot
(632) fixture block (23) of rotatable engagement.
5. a kind of water-cooled brshless DC motor water pump according to claim 4, it is characterized in that：Each card slot
(632) bottom is downwardly extending recessed portion (633), the bottom end of each fixture block (23) be downwardly extending with it is corresponding
Recessed portion (633) mutually matched salient point (231).
6. a kind of water-cooled brshless DC motor water pump according to claim 5, it is characterized in that：Each card slot
(632) it is in that arc transition is arranged in the bottom of notch.
7. a kind of water-cooled brshless DC motor water pump according to claim 1, it is characterized in that：The flange portion (63)
If being fixed with bolt stem (634) on lower surface, several mutually matched threaded holes (11) are offered on the rear cover (1).
8. a kind of water-cooled brshless DC motor water pump according to claim 1, it is characterized in that：The flange portion (63)
Several slots (635) are offered on lower surface, field frame assembly (4) top axially extends to form several and slot (635)
Mutually matched inserting column (41).
9. according to a kind of water-cooled brshless DC motor water pump of claim 1-8 any one of them, it is characterized in that：The shaft
(31) bearing (8) is provided between seal cover board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756822.0A CN108644127A (en) | 2018-07-11 | 2018-07-11 | A kind of water-cooled brshless DC motor water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756822.0A CN108644127A (en) | 2018-07-11 | 2018-07-11 | A kind of water-cooled brshless DC motor water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644127A true CN108644127A (en) | 2018-10-12 |
Family
ID=63750821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810756822.0A Pending CN108644127A (en) | 2018-07-11 | 2018-07-11 | A kind of water-cooled brshless DC motor water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664469A (en) * | 2020-12-23 | 2021-04-16 | 浙江龙信风机有限公司 | Centrifugal axial flow fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040009079A1 (en) * | 2001-06-05 | 2004-01-15 | Keiichi Terada | Magnet pump |
| CN105221234A (en) * | 2015-09-18 | 2016-01-06 | 河南省西峡汽车水泵股份有限公司 | The electric water pump that a kind of high stable is isolated |
| CN106151054A (en) * | 2015-03-26 | 2016-11-23 | 杭州三花研究院有限公司 | Electric drive pump |
| CN205977721U (en) * | 2016-08-16 | 2017-02-22 | 浙江盾安人工环境股份有限公司 | Electronic water pump for vehicle |
| CN106640681A (en) * | 2017-01-06 | 2017-05-10 | 江苏朗信电气有限公司 | Brushless electronic water pump |
| CN208431170U (en) * | 2018-07-11 | 2019-01-25 | 浙江融兴电动科技有限公司 | A kind of water-cooled brshless DC motor water pump |
-
2018
- 2018-07-11 CN CN201810756822.0A patent/CN108644127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040009079A1 (en) * | 2001-06-05 | 2004-01-15 | Keiichi Terada | Magnet pump |
| CN106151054A (en) * | 2015-03-26 | 2016-11-23 | 杭州三花研究院有限公司 | Electric drive pump |
| CN105221234A (en) * | 2015-09-18 | 2016-01-06 | 河南省西峡汽车水泵股份有限公司 | The electric water pump that a kind of high stable is isolated |
| CN205977721U (en) * | 2016-08-16 | 2017-02-22 | 浙江盾安人工环境股份有限公司 | Electronic water pump for vehicle |
| CN106640681A (en) * | 2017-01-06 | 2017-05-10 | 江苏朗信电气有限公司 | Brushless electronic water pump |
| CN208431170U (en) * | 2018-07-11 | 2019-01-25 | 浙江融兴电动科技有限公司 | A kind of water-cooled brshless DC motor water pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664469A (en) * | 2020-12-23 | 2021-04-16 | 浙江龙信风机有限公司 | Centrifugal axial flow fan |
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