CN105337454A - Motor stator, motor, circulating pump and formation method of the motor stator - Google Patents
Motor stator, motor, circulating pump and formation method of the motor stator Download PDFInfo
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- CN105337454A CN105337454A CN201410342411.9A CN201410342411A CN105337454A CN 105337454 A CN105337454 A CN 105337454A CN 201410342411 A CN201410342411 A CN 201410342411A CN 105337454 A CN105337454 A CN 105337454A
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Abstract
The invention provides a motor stator, a motor, a circulating pump and a formation method of the motor stator. The motor stator comprises a winding component. The winding component comprises a winding, an electric connection portion and a winding sealing portion. The winding sealing portion is arranged around the winding. The electric connection portion comprises a winding connection end and a circuit board connection end. The winding connection end is electrically connected to the winding. The motor stator also comprises a circuit board component. The circuit board component is arranged on a first end of an axial direction of the winding component. The circuit board component comprises a circuit board and a circuit board sealing portion. The circuit board sealing portion is arranged around the circuit board. A circuit board connection end of the electric connection portion is electrically connected to the circuit board. The circuit board sealing portion and the winding sealing portion are arranged with an interval. In the invention, during an actual operation process, influences of a winding temperature rise and a fluid temperature to the circuit board can be reduced so that the circuit board usage stability of the motor stator is improved; a risk that the motor stator causes failure of the circuit board is reduced, and a qualified rate and a service life of the motor and the circulating pump are increased and prolonged.
Description
Technical field
The present invention relates to pumping equipment field, more specifically, relate to a kind of formation method of motor stator, motor, circulating pump and motor stator.
Background technology
In prior art, the motor of circulating pump and the structure species of motor stator more.
Fig. 1 is the first motor of circulating pump and the structural representation of motor stator thereof in prior art.As shown in Figure 1, circulating pump comprises motor and pump.Motor comprises motor stator and rotor 13.In the motor stator of this motor, after winding 10 and circuit board 12 are welded and fixed, load cage 13.Pump assembly comprises impeller 14 and the pump housing 15.Impeller 14 is arranged at one end of the rotating shaft of rotor 13.It is outside that the pump housing 15 is located at impeller 14.Motor stator is fixedly connected with by screw with the pump housing 15.
In the first motor, motor stator uses cage 13 protective winding 10 and circuit board 12.Because circuit board 12 exposes in atmosphere, easily produce solder joint and get rusty, the defects such as bad, component aging of dispelling the heat, degree of protection is low, and variations in temperature easily produces steam etc., cannot ensure the safety of circuit board 12 completely.Circuit board 12 and winding 10 are only fixed by solder joint, and stressed easily loosening is ruptured, and reliability is low.When motor rotation, cage 13 also easily produces vibration, affects motor rotation.
In order to overcome the above defect of the first motor and motor stator thereof, in prior art, propose the second motor and the motor stator structure thereof of circulating pump.
Fig. 2 is the second motor of circulating pump in prior art and the structural representation of motor stator thereof.As shown in Figure 2, circulating pump comprises motor and pump.Motor comprises motor stator 1 ' and rotor 2 '.In the motor stator 1 ' of this motor, after winding 1a ' and circuit board 1b ' are welded and fixed, use thermosets 1c ' integrated injection molding.Pump assembly comprises impeller 3 ' and the pump housing 5 '.Impeller 3 ' is arranged at one end of the rotating shaft of rotor 2 '.It is outside that the pump housing 5 ' is located at impeller 3 '.Motor stator 1 ' is fixedly connected with by screw 4 ' with the pump housing 5 '.
Realizing in process of the present invention, although inventor finds that the second motor stator of circulating pump solves the problems referred to above of the first motor and motor stator thereof substantially, the structure of the second motor and motor stator thereof has caused again new technical problem.Because in injection moulding process, injection pressure is larger, certain impact is had to circuit board 1b ', and mould and injection molding material temperature may cause damage to the electronic devices and components on circuit board 1b ', affect the stability that circuit board 1b ' uses, even there is the risk causing circuit board 1b ' to lose efficacy, thus reduce qualification rate or the life-span of motor.In actual use, circuit board 1b ' is subject to winding 1a ' temperature rise and fluid temperature (F.T.) impact, and cause electronic devices and components hydraulic performance decline, electrical machinery life shortens.Together with the circuit board 1b ' of motor stator is enclosed in winding 1a ', heat transfer area is large, conduction efficiency is fast, the fluid temperature (F.T.) causing circuit board 1b ' to be subject to carry and winding 1a ' temperature rise impact, when circulating pump is applied to high-temp liquid, impact is especially obvious, the shortcomings such as it is large that circulating pump exists power consumption, and temperature rise is high, the serious curtailment circulating pump life-span.
Summary of the invention
The object of the invention is a kind of formation method providing motor stator, motor, circulating pump and motor stator, the circuit board stability in use of this motor stator improves, reduce the risk that motor stator causes circuit board to lose efficacy, improve qualification rate and the useful life of motor and circulating pump.
First aspect present invention provides a kind of motor stator, motor stator comprises: winding assembly, winding assembly comprises winding, electrical connection section and winding sealing, winding sealing is arranged on around winding, electrical connection section comprises winding switching end and circuit board connecting terminal, and winding switching end is connected with winding electric; Circuit board assemblies, circuit board assemblies is arranged at the axial first end of winding assembly, circuit board assemblies comprises circuit board and circuit board sealing, circuit board sealing is arranged on around circuit board, the circuit board connecting terminal of electrical connection section is electrically connected with circuit board, wherein, circuit board sealing and winding sealing interval are arranged.
Further, winding assembly also comprises protection post, and protection post is arranged on the end face of axial first end of winding sealing, is positioned at winding sealing at least partially between the winding switching end of electrical connection section and circuit board connecting terminal.
Further, protection post and circuit board sealing form integrative-structure.
Further, stretching at least partially in circuit board sealing of protection post, and protection post and winding sealing form integrative-structure.
Further, the end face away from winding sealing of protection post abuts with circuit board.
Further, winding assembly also comprises reference column, and reference column is arranged on the end face of axial first end of winding sealing, and the end face away from winding sealing of reference column abuts with circuit board.
Further, reference column and circuit board sealing or winding sealing form integrative-structure.
Further, circuit board assemblies comprises shell, and circuit board sealing is integrally formed at enclosure, and wherein, shell and winding assembly are connected and fixed.
Further, motor stator also comprises the thermal insulation layer be made up of heat-barrier material, and thermal insulation layer is arranged between circuit board sealing and winding sealing.
Further, thermal insulation layer and circuit board sealing and/or winding sealing interval are arranged.
Second aspect present invention provides a kind of motor, comprises motor stator, and wherein, motor stator is the motor stator any one of according to a first aspect of the present invention.
Third aspect present invention provides a kind of circulating pump, described circulating pump comprises pump and drive motors, described pump comprises pumping body, described drive motors comprises motor stator and rotor, described rotor is connected with described pumping ontology-driven, wherein, motor stator is the motor stator any one of according to a first aspect of the present invention.
Fourth aspect present invention provides a kind of formation method of motor stator, formation method comprises: form winding assembly, winding assembly comprises winding, electrical connection section and winding sealing, winding sealing is arranged on around winding by the mode of injection mo(u)lding, electrical connection section comprises winding switching end and circuit board connecting terminal, and winding switching end is connected with winding electric; Form circuit board assemblies, circuit board assemblies is arranged at the axial first end of winding assembly, circuit board assemblies comprises circuit board and circuit board sealing, circuit board sealing is arranged on around circuit board, the circuit board connecting terminal of electrical connection section is electrically connected with circuit board, wherein, make to form interval between circuit board sealing and winding sealing.
According to the formation method of motor stator of the present invention, motor, circulating pump and motor stator, motor stator comprises winding assembly and circuit board assemblies; Winding assembly comprises winding, electrical connection section and winding sealing, and the winding switching end of electrical connection section is connected with winding electric; Circuit board assemblies comprises circuit board and circuit board sealing, and the circuit board connecting terminal of electrical connection section is electrically connected with circuit board, and circuit board sealing and winding sealing are formed respectively.Because circuit board sealing and winding sealing interval are arranged, therefore, winding temperature rise and fluid temperature (F.T.) can be reduced in actual moving process on the impact of circuit board, thus the circuit board stability in use of motor stator improves, reduce the risk that motor stator causes circuit board to lose efficacy, improve qualification rate and the useful life of motor and circulating pump.Further, pressure and temperature also can be avoided in winding sealing forming process the impact of circuit board, thus the infringement that mould and injection molding material temperature may cause the electronic devices and components on circuit board can be alleviated, reduce the risk causing circuit board to lose efficacy, improve qualification rate and the useful life of motor and circulating pump.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the first motor of circulating pump and the structural representation of motor stator thereof in prior art;
Fig. 2 is the second motor of circulating pump in prior art and the structural representation of motor stator thereof;
Fig. 3 is the circulating pump of the preferred embodiment of the present invention and the sectional structure schematic diagram of motor and motor stator thereof.
Embodiment
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that used term is only to describe embodiment here, and be not intended to restricted root according to illustrative embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, when use belongs to " comprising " and/or " comprising " in this manual, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
Known with reference to the description in background technology, there is circuit board in the motor stator of prior art and be subject to winding temperature rise and fluid temperature (F.T.) impact, cause electronic devices and components hydraulic performance decline, the technical problem that electrical machinery life shortens.In order to solve this technical problem, the preferred embodiment of the present invention provides a kind of motor and motor stator thereof.
As shown in Figure 3, the motor stator of the present embodiment mainly comprises winding assembly and circuit board assemblies 1.Winding assembly 2 comprises winding 2c, electrical connection section (not shown) and winding sealing 2b, winding sealing 2b is arranged on around winding 2c by the mode of injection mo(u)lding, electrical connection section comprises winding switching end and circuit board connecting terminal, and winding switching end is electrically connected with winding 2c.Circuit board assemblies 1 is arranged at the axial first end of winding assembly 2, circuit board assemblies 1 comprises circuit board 1b and circuit board sealing 1c, circuit board sealing 1c is arranged on around circuit board 1b, the circuit board connecting terminal of electrical connection section is electrically connected with circuit board 1b, wherein, circuit board sealing 1c and winding sealing 2b interval are arranged.
Because the circuit board sealing 1c of motor stator and winding sealing 2b interval are arranged, winding 2c temperature rise and fluid temperature (F.T.) can be reduced in actual moving process on the impact of circuit board 1b, thus the circuit board stability in use of motor stator improves, reduce the risk that motor stator causes circuit board to lose efficacy, improve qualification rate and the useful life of motor and circulating pump.Further, pressure and temperature also can be avoided in winding sealing 2b injection molding process the impact of circuit board 1b, thus the infringement that mould and injection molding material temperature may cause the electronic devices and components on circuit board 1b can be alleviated, reduce the risk causing circuit board 1b to lose efficacy, improve qualification rate and the useful life of motor.
Preferably, winding assembly 2 also comprises protection post 2d to the present embodiment, and protection post 2d is arranged on the end face of the axial first end of winding sealing 2b, is positioned at winding sealing 2b at least partially between the winding switching end of electrical connection section and circuit board connecting terminal.Protection post 2d can play protective action by contraposition electrical connection section in the inner, thus improves the life-span of electrical connection section.
Wherein, as long as the electrical connection section meeting the electrical connection needs between circuit board 1b and winding 2c all can adopt in the present invention.In the present embodiment, electrical connection section is preferably contact pin.Contact pin can be connecting lead wire or inserting terminal.Electrical connection section, except can being positioned at the top of winding 2c, also can be positioned at the side of winding 2c.
As shown in Figure 3, the axis vertical of motor stator is arranged, and the axial first end of winding assembly 2 is upper end in figure 3.Contact pin is vertically arranged, and the upper end of contact pin is circuit board connecting terminal, and the lower end of contact pin is winding switching end.Protection post 2d is the axis direction cylinder parallel with the axis direction of motor stator.Contact pin is all embedded in winding sealing 2b and protection post 2d except upper end.Preferably, contact pin and protection post 2d are coaxially arranged.In the present embodiment, have three contact pins and three protection post 2d, each contact pin is arranged at a corresponding protection post 2d inside.It should be noted that, the quantity of contact pin and protection post can be arranged as required, and contact pin and protection post, also without the need to one_to_one corresponding, such as, in unshowned embodiment, can be that many contact pins correspond to same protection post.
Protection post 2d and winding sealing 2b forms integrative-structure in the present embodiment, preferably adopts same material one-body molded, such as integrated injection molding.Preferably, protection post 2d and circuit board sealing 1c forms integrative-structure.More preferably, the stretching at least partially in circuit board sealing 1c of protection post 2d.The above set-up mode of protection post 2d, when the spacing between winding 2c and circuit board 1b is larger, can form protection to electrical connection sections such as such as contact pins, and can strengthen electrical connection section and winding 2c and with the fastness be connected between circuit board 1b.
In the present embodiment, by injection moulding outside part contact pin and winding 2c, form the protection post 2d of winding sealing 2b and cylindrical structure, part contact pin being exposed winding sealing 2b is arranged in protection post 2d, and the head only retaining contact pin is exposed outer as circuit board connecting terminal at protection post 2d.
Preferably one end away from winding sealing 2b of protection post 2d abuts with the lower surface of circuit board 1b, thus protection post 2d also can be used for the location of circuit board 1b.
As shown in Figure 3, preferably, winding assembly 2 also comprises reference column 2e to the present embodiment.Reference column 2e is arranged on the end face of the axial first end of winding sealing 2b, and the end face away from winding sealing 2b of reference column 2e abuts with circuit board 1b.Reference column 2e can determine the position of circuit board 1b quickly and accurately.The quantity of reference column 2e can be one or more.Reference column further acts on, when the protection post of electrical connection section is positioned at circumference one end, and the stability of reference column supplemental support circuit board assemblies in stator side.
In the present embodiment, reference column 2e and winding sealing 2b forms integrative-structure, preferably adopts same material once one-body molded, such as integrated injection molding.Preferably, reference column 2e and circuit board sealing 1c forms integrative-structure.This set-up mode of reference column 2e ensure that after circuit board 1b is sealed by circuit board sealing 1c simultaneously, at least part of reference column 2e is sealed in the materials such as the epoxy resin forming circuit board sealing 1c, thus adds the fastness between motor stator and circuit board assemblies.
In unshowned embodiment, protection post 2d and winding sealing 2b may also be by identical or different material formed and split be connected.Reference column 2e and winding sealing 2b may also be by identical or different material formed and split be connected.
As shown in Figure 3, in the present embodiment, winding sealing 2b and circuit board sealing 1c interval are arranged.Namely air barrier is provided with between circuit board sealing 1c and stator winding sealing 2b.The temperature rise that the arranging of this air barrier can reduce winding 2c in motor operation course is to the adverse effect of circuit board 1b.In the embodiment that some are not shown, motor stator also comprises the thermal insulation layer be made up of heat-barrier material, and thermal insulation layer is arranged between circuit board sealing and winding sealing.Preferably, thermal insulation layer and circuit board sealing and/or winding sealing interval are arranged.Thermal insulation layer the adverse effect of temperature rise to circuit board that can reduce winding is further set.
Winding sealing 2b can be identical with the material of circuit board sealing 1c, also can be different.Such as, the material of winding sealing 2b is preferably thermosetting resin, and the material of circuit board sealing 1c is preferably epoxy resin or silicon rubber.
Preferably, circuit board assemblies 1 also comprises shell 1a, and it is inner that circuit board sealing 1c is integrally formed at shell 1a.More preferably shell 1a is connected and fixed by screw and winding assembly.Arranging shell 1a can protective circuit plate 1b better, and in addition, when embedding forms the material of circuit board sealing 1c, shell 1a provides embedding border.In addition, shell 1a is provided with the cast gate of embedding, during embedding, whole stator component is inverted after coming and forms circuit board sealing 1c by materials such as cast gate encapsulated epoxy resins, thus reach effect that is fixing and potted circuit plate 1b.
The motor of the preferred embodiment of the present invention comprises aforesaid motor stator and rotor.In the present embodiment, as shown in Figure 3, rotor 3 comprises rotor assembly 3b, front bearing retainer 3a and rear bearing cover 3d and stainless steel sleeve 3c.
The circulating pump of the preferred embodiment of the present invention comprises pump and drive motors, and pump comprises pumping body, and drive motors comprises motor stator and rotor, and rotor is connected with pumping ontology-driven, and motor stator is wherein aforesaid motor stator.In the present embodiment, as shown in Figure 3, drive motors mainly comprises motor stator and rotor 3, and motor stator comprises aforesaid circuit board assemblies 1 and winding assembly 2.Pump assembly mainly comprises impeller 4 and the pump housing 5.Be installed on axially second end (being lower end in Fig. 3) of rotor 3, the pump housing 5 is located at bottom and the periphery of impeller 4, and be fixedly connected with by screw with the second end of motor stator, thus the pump housing 5 and motor stator surround pumping capacity, impeller 4 is placed in pumping capacity.
Preferred embodiment of the present invention circulating pump and motor thereof effectively reduce the heat transfer area between circuit board 1b and stator winding 2c, circuit board 1b is made to be subject to the impact of fluid temperature (F.T.) and winding 2c temperature rise less, have humidity resistance concurrently, degree of protection is high, also there is vibration damping absorbing damping effect simultaneously, reduce the effects such as noise.This circulating pump is especially applicable to the circulatory system of domestic hot water and commercial hot water or other hot fluid.
The preferred embodiment of the present invention also provides a kind of formation method of motor stator.This formation method comprises: form winding assembly 2, winding assembly 2 comprises stator winding 2c, electrical connection section and winding sealing 2b, winding sealing 2b is arranged on around stator winding 2c, and electrical connection section comprises winding switching end and circuit board connecting terminal, and winding switching end is electrically connected with winding 2c; Form circuit board assemblies 1, circuit board assemblies 1 is arranged at the axial first end of winding assembly 2, circuit board assemblies 1 comprises circuit board 1b and circuit board sealing 1c, circuit board sealing 1c is arranged on around circuit board 1b, the circuit board connecting terminal of electrical connection section is electrically connected with circuit board 1b, wherein, make to form interval between circuit board sealing 1c and winding sealing 2b.
The preferred embodiment of the present invention also provides a kind of circulating pump assembly method.This circulating pump assembly method comprises: form motor stator; Assembling motor Stator and electrical machine rotor forms drive motors; Connect the pumping body of rotor and pump assembly.The formation method of motor stator is aforementioned formation method.
In the preferred embodiment, in order to assemble circulating pump, formation order is as follows particularly:
First, winding 2c is connected with the winding switching end of the contact pin as electrical connection section, preferably, contact pin is inserted be welded to connect in stator winding 2c fixing.
Then, form winding sealing 2b, protection post 2d and reference column 2e by injection molding thermoset material, thus make the winding switching end of winding 2c, contact pin (electrical connection section) and winding sealing 2b form integrative-structure, form winding assembly 2.
The end face away from winding sealing 2b again circuit board 1b being placed in reference column 2e positions, and the circuit board connecting terminal of contact pin and circuit board 1b are welded and fixed.
Then, be buckled in by shell 1a on circuit board 1b, shell 1a can be fixedly connected with by screw with winding assembly 2.Circuit board sealing 1c is formed by the material such as encapsulated epoxy resin or silicon rubber in shell 1a, thus make the circuit board connecting terminal of circuit board 1b, contact pin (electrical connection section) and circuit board sealing 1c form integrative-structure, form circuit board assemblies 1, while formation circuit board sealing 1c, also make the upper end of protection post 2d and reference column 2e and circuit board sealing 1c form integrative-structure, thus strengthen the annexation between winding assembly 2 and circuit board assemblies 1 further.So far, motor stator is formed.
On motor stator, assemble rotor 3 again, rotor 3 comprises rotor assembly 3b, front bearing retainer 3a and rear bearing cover 3d and stainless steel sleeve 3c.
Rotor 3 assembles the rear drive group of motors that finishes and installs into.
Axially second end of the rotating shaft of rotor 3 is press-fitted the impeller 4 as pumping body, then it is complete to be connected by screw the assembling of the assembling pump housing 5 Posterior circle pump.
By the circuit board sealing 1c of the winding sealing 2b and circuit board assemblies 1 that form winding assembly 2 respectively, independent for winding 2c injection moulding is separated with circuit board 1b, avoid winding sealing 2b in injection moulding process pressure and temperature on the impact of circuit board 1b; Also the temperature rise of winding 2c in actual moving process and fluid temperature (F.T.) can be reduced on the impact of circuit board 1b; Fix additionally by contact pin and welding circuit board 1b, and the annexation between protection post 2d and reference column 2e and circuit board sealing 1c, can potted circuit plate 1b and solder joint effectively, reach higher degree of protection, and keep winding 2c, firmly connect between electrical connection section and circuit board 1b.
Related content in the circulating pump of the preferred embodiment of the present invention and motor thereof and motor stator is all applicable to formation method and the circulating pump assembly method of motor stator of the present invention, and this is no longer going to repeat them.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a motor stator, is characterized in that, described motor stator comprises:
Winding assembly (2), described winding assembly (2) comprises winding (2c), electrical connection section and winding sealing (2b), described winding sealing (2b) is arranged on described winding (2c) around, described electrical connection section comprises winding switching end and circuit board connecting terminal, and described winding switching end is electrically connected with described winding (2c);
Circuit board assemblies (1), described circuit board assemblies (1) is arranged at the axial first end of described winding assembly (2), described circuit board assemblies (1) comprises circuit board (1b) and circuit board sealing (1c), described circuit board sealing (1c) is arranged on described circuit board (1b) around, the circuit board connecting terminal of described electrical connection section is electrically connected with described circuit board (1b), wherein, described circuit board sealing (1c) and described winding sealing (2b) interval are arranged.
2. motor stator according to claim 1, it is characterized in that, described winding assembly (2) also comprises protection post (2d), described protection post (2d) is arranged on the end face of the axial first end of described winding sealing (2b), is positioned at described winding sealing (2b) at least partially between the winding switching end of described electrical connection section and circuit board connecting terminal.
3. motor stator according to claim 2, is characterized in that, described protection post (2d) and described circuit board sealing (1c) form integrative-structure.
4. motor stator according to claim 2, it is characterized in that, stretching at least partially in described circuit board sealing (1c) of described protection post (2d), and described protection post (2d) and described winding sealing (2b) form integrative-structure.
5. motor stator according to claim 2, is characterized in that, the end face away from described winding sealing (2b) of described protection post (2d) abuts with described circuit board (1b).
6. motor stator according to claim 1, it is characterized in that, described winding assembly (2) also comprises reference column (2e), described reference column (2e) is arranged on the end face of the axial first end of described winding sealing (2b), and the end face away from described winding sealing (2b) of described reference column (2e) abuts with described circuit board (1b).
7. motor stator according to claim 6, is characterized in that, described reference column (2e) forms integrative-structure with described circuit board sealing (1c) or described winding sealing (2b).
8. motor stator according to claim 1, it is characterized in that, described circuit board assemblies (1) comprises shell (1a), it is inner that described circuit board sealing (1c) is integrally formed at described shell (1a), wherein, described shell (1a) and described winding assembly (2) are connected and fixed.
9. motor stator according to any one of claim 1 to 8, it is characterized in that, described motor stator also comprises the thermal insulation layer be made up of heat-barrier material, and described thermal insulation layer is arranged between described circuit board sealing (1c) and described winding sealing (2b).
10. motor stator according to claim 9, is characterized in that, described thermal insulation layer and described circuit board sealing (1c) and/or described winding sealing (2b) interval are arranged.
11. 1 kinds of motors, comprise motor stator, it is characterized in that, described motor stator is motor stator according to any one of claim 1 to 10.
12. 1 kinds of circulating pumps, described circulating pump comprises pump and drive motors, described pump comprises pumping body, described drive motors comprises motor stator and rotor, described rotor is connected with described pumping ontology-driven, it is characterized in that, described motor stator is motor stator according to any one of claim 1 to 10.
The formation method of 13. 1 kinds of motor stators, described formation method comprises:
Form winding assembly (2), described winding assembly (2) comprises winding (2c), electrical connection section and winding sealing (2b), described winding sealing (2b) is arranged on described winding (2c) around by the mode of injection mo(u)lding, described electrical connection section comprises winding switching end and circuit board connecting terminal, and described winding switching end is electrically connected with described winding (2c);
Form circuit board assemblies (1), described circuit board assemblies (1) is arranged at the axial first end of described winding assembly (2), described circuit board assemblies (1) comprises circuit board (1b) and circuit board sealing (1c), described circuit board sealing (1c) is arranged on described circuit board (1b) around, the circuit board connecting terminal of described electrical connection section is electrically connected with described circuit board (1b), wherein, make to form interval between described circuit board sealing (1c) and described winding sealing (2b).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342411.9A CN105337454B (en) | 2014-07-17 | 2014-07-17 | The forming method of motor stator, motor, circulating pump and motor stator |
| JP2015143149A JP6639132B2 (en) | 2014-07-17 | 2015-07-17 | Electric motor stator, electric motor, circulation pump, pump transport device, and method of forming electric motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342411.9A CN105337454B (en) | 2014-07-17 | 2014-07-17 | The forming method of motor stator, motor, circulating pump and motor stator |
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| Publication Number | Publication Date |
|---|---|
| CN105337454A true CN105337454A (en) | 2016-02-17 |
| CN105337454B CN105337454B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410342411.9A Active CN105337454B (en) | 2014-07-17 | 2014-07-17 | The forming method of motor stator, motor, circulating pump and motor stator |
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| US11371519B2 (en) | 2017-11-13 | 2022-06-28 | Hanon Systems Efp Deutschland Gmbh | Water pump and method for manufacturing a water pump |
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| CN110402529A (en) * | 2017-03-10 | 2019-11-01 | 科莱克特集团公司 | Motor |
| CN110402529B (en) * | 2017-03-10 | 2021-08-17 | 科莱克特集团公司 | Electric machine |
| US11371519B2 (en) | 2017-11-13 | 2022-06-28 | Hanon Systems Efp Deutschland Gmbh | Water pump and method for manufacturing a water pump |
| EP3710706B1 (en) * | 2017-11-13 | 2024-04-24 | Hanon Systems EFP Deutschland GmbH | Water pump and method for manufacturing a water pump |
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| CN105337454B (en) | 2018-12-21 |
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