CN106505776A - The waterproof construction of pump motor - Google Patents
The waterproof construction of pump motor Download PDFInfo
- Publication number
- CN106505776A CN106505776A CN201611038626.7A CN201611038626A CN106505776A CN 106505776 A CN106505776 A CN 106505776A CN 201611038626 A CN201611038626 A CN 201611038626A CN 106505776 A CN106505776 A CN 106505776A
- Authority
- CN
- China
- Prior art keywords
- pump motor
- stator
- rotor
- drive end
- motor
- 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
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The title of the present invention is the waterproof construction of pump motor, is related to a kind of pump motor.It is that stator and rotor are directly immersed in coolant that it mainly solves known pump motor, in order to ensure the normal operation of pump motor, is solved by increasing the air gap between stator and rotor, motor effective efficiency reduces, increase that the motor feels hot, life-span are low, the high problem of cost.The present invention is to be provided with waterproof pad in the casing of pump motor and the gap location of drive end bearing bracket, the casing of pump motor is provided with fluid sealant with the junction of drive end bearing bracket, drive end bearing bracket is connected on armature spindle by slip water-sealed bearing, the junction is provided with O-ring seal and waterproof pad, both are molded integral by pump motor armature spindle and rotor core by rotor injection molding body, on the stator core and stator coil of pump motor, glue material is melted in embedding, forms stator waterproof injection molding body.The present invention is isolated with coolant using pump motor, the low cost of motor, efficiency high, life-span length.
Description
Technical field
The present invention relates to a kind of pump motor, is specifically related to the waterproof construction of pump motor.
Background technology
Existing traditional pump motor is all that the stator and rotor for directly allowing pump motor to do water-proofing treatment are partially immersed in cooling
In liquid, in order to ensure the normal operation of pump motor, solved by increasing the air gap between stator and rotor.
Due to the resistance reason due to coolant of stator and rotor gap very little, rotor permanent magnet magnetic field and stator electromagnet field, must
Must increase relative in the case of without water resistance, cause the reactive power of motor increase, the reduction of motor effective efficiency, rotor permanent magnet
The selection of material property also can be of a relatively high, the selection of stator enamelled wire diameter also can overstriking accordingly or the number of turn reduce, this
The consequence that belt transect comes is exactly that the motor feels hot to be increased, service life reduction, and cost is improved.Come in gap also between increase rotor
Reduce the resistance of coolant, but so but virtually reduce the active power of motor, increased the performance of rotor magnetic material, increase
The electromagnetic field of big stator, causes stator current to increase, the increase of iron loss and copper loss.
Content of the invention
The purpose of the present invention be for above-mentioned deficiency, and the one kind for proposing by coolant completely cut off motor rotation section point it
Outward, stator and rotor is not affected by coolant resistance in rotation, increase electric efficiency, reduce temperature rise, increase the pump motor longevity
The waterproof construction of the pump motor of life and reduces cost.
The present invention technical solution be：Marine glue is provided with the casing of pump motor and the gap location of drive end bearing bracket
Pad, the casing of pump motor are provided with fluid sealant with the junction of drive end bearing bracket, and drive end bearing bracket is connected to rotor by slip water-sealed bearing
On axle, the junction is provided with O-ring seal and waterproof pad, and pump motor armature spindle and rotor core will by rotor injection molding body
Both injections are integral, and glue material is melted in embedding on the stator core and stator coil of pump motor, form the injection of stator waterproof
Body.
Armature spindle described in the technical solution of the present invention is provided with ring with the armature spindle at the cooperation of O-ring seal
Connected in star.
The pump motor of the present invention does not have the stator and rotor part that cooling liquid enters into rotation, and its advantage is as follows：
1st, without amplifying, the magnetic field leakage field of such motor has just lacked much stator and rotor air gap relatively, the selection of rotor permanent magnet material
The relatively low permanent-magnet material of magnetic property is may be selected by, cost can also decrease.
2nd, the enamel-covered wire that the selection of the enamel-covered wire of stator winding then can use line footpath relatively thin, relatively small electric current are produced
Raw electromagnetic field can also reach the requirement of the output performance of pump motor.For relatively small electric current for motor, to iron
The reduction of consumption and copper loss can play good effect, improve the efficiency of pump motor.
3rd, due to the reduction of electric current, the circuit of whole control section is pressure, and endurance diminishes, the selection of electronic devices and components
As diminishing for volume and convenient arrange well, make the caloric value of components and parts more relatively small, life-span relative prolongation.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
As shown in figure 1, the casing 1 of pump motor of the present invention is coordinated for gap with the junction of drive end bearing bracket 2, in water pump electricity
Gap is fully sealed by fluid sealant at the casing 1 of machine and the assembling of drive end bearing bracket 2；Pre- with the gap of drive end bearing bracket 2 in casing 1
The place of staying is provided with waterproof pad 3, and waterproof pad 3 is tightly compressed between casing 1 and drive end bearing bracket 2, and the material of waterproof pad 3 is adopted
With nitrile rubber, there is good shrinkage factor, be able to can be made between casing 1 and drive end bearing bracket 2 almost by compression as big as possible
There is no any inter-air space, maximum possible has been taken adjustment space by waterproof pad 3, having prevented coolant, to enter this empty
Between possibility；Drive end bearing bracket 2 is connected on armature spindle 18 by slip water-sealed bearing 4, and the junction is provided with 5 He of O-ring seal
Waterproof pad 6；Drive end bearing bracket 2 is interference fit with slip water-sealed bearing 4, and the material of slip water-sealed bearing 4 is POM plastic, the cunning
Dynamic water-sealed bearing 4 can be very good to be sealed at the inner chamber of drive end bearing bracket 2, and air-tightness is very high；Slip water-sealed bearing 4 and armature spindle
It is that gap coordinates between 18, on the position in the relative motion space between drive end bearing bracket 2 and armature spindle 18, increases O-ring seal
5 and waterproof pad 6, it can be ensured that the seal between slip water-sealed bearing 4 and armature spindle 18, O-ring seal 5 and armature spindle 18
It is interference close-fitting, on the armature spindle 18 at the cooperation of armature spindle 18 with O-ring seal 5, is provided with simple annular groove, can be with
Make O-ring seal 5 be fixed on the position will not arbitrarily slide, reduce the possibility that coolant is squeezed into；Drive end bearing bracket 2 and O
Between type sealing ring 5 be interference close-fitting, due to drive end bearing bracket 2 very little with the contact area of O-ring seal 5, O-ring seal 5
Material be nitrile rubber, when the high-speed rotation of armature spindle 18, be free to rotate, the resistance for bringing armature spindle 18 can be with
Ignore；It is also interference fit between waterproof pad 6 and armature spindle 18, is to fully seal between drive end bearing bracket 2 and waterproof pad 6
The filling of formula, the lower position coordinated with armature spindle 18 in slip water-sealed bearing 4 are sealed using seal gasket, are prevented cold
But liquid enters into motor internal from there.
Pump motor rotor portion of the present invention is that both are noted armature spindle 18 and rotor core 8 by rotor injection molding body 7
One is moulded, concrete operation step is：Armature spindle 8 and magnetic shoe 9 are sticked together to form a regular ring-type by colloid, will
Aluminium set 10 is enclosed within the assembly that rotor core 8 is combined with magnetic shoe 9, by injection machine by armature spindle 18 and rotor core 8, magnetic
Watts 9, the assembly rotor injection molding body 7 of the combination of aluminium set 10 both are molded integral, according to the requirement of drawing, by combinations thereof
Body handles surface run_out well（Smart car is typically selected）And dynamic equilibrium problems（Material reducing method）.As armature spindle 18 is stainless steel, aluminium set
10 is aluminium, and rotor injection molding body 7, will not be by corrosion, even if there is a little coolant to enter into pump motor using POM injected plastics materials
Rotating part, also will not cause corrosion phenomena to the rotor of the part.As long as rotor core 8 and magnetic shoe 9 are not affected by corrosion,
The rotor performance of pump motor would not be affected, the permanent magnetic field of motor be exactly metastable, whole pump motor
Performance would not go wrong in rotor portion.
The stationary part of pump motor of the present invention melts glue material, shape using embedding on stator core 12 and stator coil 13
Into the containment vessel of stator waterproof injection molding body 11, prevent stator core 12 with the contact with the external world of stator coil 13；Concrete operations are walked
Suddenly it is:The inner chamber of winding portion is being done insulation processing, stator line by mould one-shot forming of the stator core 12 by high velocity ram machine
Circle 13 by coil winding machine by neat and consistent around the home within the default coiling inner chamber of stator core 12, by the performance of pump motor
Requirement connects the end of a thread, then carries out dipping lacquer process, solidifies whole coil, by the sub-assembly of stator core 12 and stator coil 13 with
Stator winding binding post 14 links together, and is processed by mould embedding, and Embedding Material forms stator waterproof using glue material is melted
The containment vessel of injection molding body 11, it is to avoid the chance contacted with the external world.The stator assembly of whole embedding is carried out the essence of inner and outer surfaces
Car process, it is ensured that the concentricity of whole stator, most at last whole stator close-fitting between the inner chamber of pump motor casing 1, due to
Embedding Material is to melt glue material, and there is plasticity after hardening, so there is no air gap after close-fitting, coolant is to touch stator
Iron core 12 and stator coil 13, it is to avoid stator core 12 and stator coil 13 are corroded.Casing 1 and stator winding binding post 14
Sealing be 14 exposed portion of cavity of resorption stator winding binding post three binding posts with control plate weld after the completion of directly use glass
Glass glue embedding；The assembling of casing 1 and outlet binding post 15 is that the position using outlet binding post 15 on casing 1 adopts tightly
Match somebody with somebody and encrypt sealing；The cooperation position of casing 1 and rear end cap 17 is interference close-fitting, plus sealant sealing, in casing 1 and rear end cap
Waterproof pad 16 is set on 17 assembling contact surface, and waterproof pad 16 can be played close using the seal gasket of nitrile rubber material
The effect of envelope.
Claims (2)
1. a kind of waterproof construction of pump motor, is characterized in that：Casing in pump motor（1）With drive end bearing bracket（2）Gap location
Waterproof pad (3) is provided with, the casing (1) of pump motor is provided with fluid sealant with the junction of drive end bearing bracket (2), and drive end bearing bracket (2) passes through
Slip water-sealed bearing (4) is connected on armature spindle (18), and the junction is provided with O-ring seal (5) and waterproof pad (6), water pump
Rotor axis of electric (18) and rotor core (8) both are molded by rotor injection molding body (7) integral, in the stator of pump motor
Glue material is melted in iron core (12) and the upper embedding of stator coil (13), forms stator waterproof injection molding body (11).
2. the waterproof construction of pump motor according to claim 1, is characterized in that：Described armature spindle (18) is close with O-shaped
Armature spindle (18) at the cooperation of seal (5) is provided with annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038626.7A CN106505776A (en) | 2016-11-23 | 2016-11-23 | The waterproof construction of pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038626.7A CN106505776A (en) | 2016-11-23 | 2016-11-23 | The waterproof construction of pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106505776A true CN106505776A (en) | 2017-03-15 |
Family
ID=58327888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038626.7A Pending CN106505776A (en) | 2016-11-23 | 2016-11-23 | The waterproof construction of pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505776A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803711A (en) * | 2017-04-07 | 2017-06-06 | 苏州盛亿电机有限公司 | For the Split type wheel hub generator of network share bicycle |
| CN106877549A (en) * | 2017-04-24 | 2017-06-20 | 湖州太平微特电机有限公司 | A kind of motor |
| CN107093944A (en) * | 2017-05-26 | 2017-08-25 | 常州合力电器有限公司 | Power set for garden instrument |
| CN109260995A (en) * | 2018-06-23 | 2019-01-25 | 林宇仲 | A kind of brushless foam blender of minisize dc waterproof |
| CN110401271A (en) * | 2019-08-22 | 2019-11-01 | 深圳南方德尔汽车电子有限公司 | A kind of waterproof electronic water pump claw-pole motor |
| CN114483598A (en) * | 2020-11-13 | 2022-05-13 | 汉宇集团股份有限公司 | Centrifugal canned motor type canned motor pump with coolant liquid inner loop |
-
2016
- 2016-11-23 CN CN201611038626.7A patent/CN106505776A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803711A (en) * | 2017-04-07 | 2017-06-06 | 苏州盛亿电机有限公司 | For the Split type wheel hub generator of network share bicycle |
| CN106877549A (en) * | 2017-04-24 | 2017-06-20 | 湖州太平微特电机有限公司 | A kind of motor |
| CN107093944A (en) * | 2017-05-26 | 2017-08-25 | 常州合力电器有限公司 | Power set for garden instrument |
| CN109260995A (en) * | 2018-06-23 | 2019-01-25 | 林宇仲 | A kind of brushless foam blender of minisize dc waterproof |
| CN110401271A (en) * | 2019-08-22 | 2019-11-01 | 深圳南方德尔汽车电子有限公司 | A kind of waterproof electronic water pump claw-pole motor |
| CN114483598A (en) * | 2020-11-13 | 2022-05-13 | 汉宇集团股份有限公司 | Centrifugal canned motor type canned motor pump with coolant liquid inner loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |