CN113241871A - Air conditioner draining pump stator assembly and encapsulating method thereof - Google Patents
Air conditioner draining pump stator assembly and encapsulating method thereof Download PDFInfo
- Publication number
- CN113241871A CN113241871A CN202110537690.4A CN202110537690A CN113241871A CN 113241871 A CN113241871 A CN 113241871A CN 202110537690 A CN202110537690 A CN 202110537690A CN 113241871 A CN113241871 A CN 113241871A
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- electric control
- control board
- pin
- stator assembly
- board
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
Abstract
The invention relates to the technical field of air-conditioning drainage pumps, in particular to an air-conditioning drainage pump stator assembly and an encapsulating method thereof. According to the air conditioner drainage pump stator assembly and the encapsulating method thereof, the circuit board is encapsulated by the encapsulating glue, the waterproof sealing performance of the circuit board is enhanced, the electronic components do not bear pressure, the problem that the electronic components are damaged by pressure is solved, and the production yield of the stator assembly is improved.
Description
Technical Field
The invention relates to the technical field of air conditioner drainage pumps, in particular to an air conditioner drainage pump stator assembly and an encapsulating method thereof.
Background
In the process of refrigeration of an air conditioner, a large amount of condensed water is generated on the surface of a heat exchanger of the air conditioner, so a drainage pump is required to be arranged to drain the condensed water; the stator insulator is characterized in that a wiring terminal part is arranged on one side in the circumferential direction, the circuit board is connected onto the wiring terminal part, a lead is connected onto the circuit board, a mounting hole is formed in the lower end cover of the machine, a lead protective sleeve is clamped in the mounting hole of the lower end cover through a clamping groove of the lead protective sleeve, a central through hole is formed in the middle of the lead protective sleeve, and the lead extends out of the central through hole.
The existing stator assembly has the following defects:
1. the lead protective sleeve is clamped in the mounting hole of the lower end cover through the clamping groove of the lead protective sleeve, and the clamping process is poor in manufacturability and clamping performance; even if the clamping can be realized, the lead protection sleeve is easy to be separated from the mounting hole when external force is applied, so that the sealing performance is poor, and dust or water vapor can enter the motor; meanwhile, the lead protective sleeve is easy to be separated from the mounting hole, and the stability of a welding point of a lead on a circuit board is also influenced;
2. the lead can slide in the central through hole of the lead protective sleeve, so that the sealing performance between the lead and the central through hole is poor, and dust or water vapor can enter the motor; the lead is easy to slide, and the stability of the welding point of the lead on the circuit board is affected.
Chinese patent with publication number CN103199648B discloses a stator assembly, which includes a stator core, a stator winding, a stator insulator and a circuit board; one side of the circumference of the stator insulator is provided with a wiring terminal part, the circuit board is connected to the wiring terminal part, and the circuit board is connected with a lead; the external injection molding of wiring terminal portion and circuit board has been formed with the encapsulated body, and the outside of lead wire is equipped with the lead wire protective sheath of moulding plastics with encapsulated body an organic whole and forming.
Although the technical scheme disclosed in the above patent can increase the sealing performance of the stator module circuit board and the lead and the stability of the welding point of the lead on the circuit board, in the actual processing process, when the circuit board is coated with plastic, a certain pressure needs to be applied to a coating plastic material to form a molding body, therefore, in the coating plastic process, electronic components on the circuit board are easy to damage after being subjected to the pressure, especially, the capacitance on the circuit board is sensitive to the pressure, and is extremely easy to damage after being subjected to the pressure.
In addition, the damage of electronic components during plastic coating is ubiquitous in the whole industry, the damage rate of the chip capacitor is about five per thousand in the process of sealing the circuit board by adopting the plastic coating body in the whole industry at present, and a good method for detecting the damage of the electronic components is not found in the whole industry at present.
If the electronic components are prevented from being damaged, only the electronic components which meet the required conditions and have strong pressure bearing capacity can be used for replacement, but the replaced electronic components have large volume, higher cost and low economic benefit, and are not beneficial to large-scale processing and production.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the technical problem that electronic components on a circuit board are easily damaged when the circuit board on the stator assembly is subjected to plastic package in the prior art, the invention provides the air conditioner drainage pump stator assembly and the encapsulating method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an air conditioner drain pump stator module, includes coil pack, the encapsulated body, automatically controlled board, coil pack contains stator core, stator insulator, pin and enameled wire, one side of stator insulator circumference is equipped with wiring portion, the pin sets up in wiring portion, the outside of wiring portion is moulded plastics and is formed with the encapsulated body that is used for placing automatically controlled board, be equipped with the chamber that holds that is used for installing automatically controlled board on the encapsulated body, automatically controlled board passes through the pin electricity with coil pack and is connected, the electricity is connected with the lead wire on the automatically controlled board, automatically controlled board is installed and is being held the intracavity and filling the casting glue and form the rubber seal after holding the chamber, the rubber seal is with the complete cladding of automatically controlled board.
According to the air conditioner drainage pump stator assembly, the accommodating cavity is formed in the enclosing body and is provided with the electric control plate, and then the glue sealing layer is arranged in the accommodating cavity to seal the electric control plate, so that the sealing performance of the electric control plate is improved, the moisture resistance of the stator assembly is enhanced, the moisture resistance of the electric control plate is improved due to the fact that the stator assembly is used in the air conditioner drainage pump, the service life and the use stability of the air conditioner drainage pump can be prolonged, and the use stability and the service life of an air conditioner are further improved.
In addition, the pouring sealant is used for pouring and sealing the electric control board to form a sealant layer, compared with the case that the plastic-coated body is formed by injection molding of a plastic-coated material, the pressure of the pouring sealant on the electronic component on the electric control board is smaller, the plastic-coated pressure is about 2-5MPa, the pouring pressure is not more than 5KPa, and the pouring sealant pressure is 1000 times smaller than the plastic-coated pressure, so that the pressure on the electronic component can be effectively reduced, the electronic component on the circuit board is prevented from being damaged by pressure, meanwhile, the sealant layer formed by the pouring sealant can also play a certain role in protecting the electronic component, and the service life of the electronic component is prolonged.
Further, the adhesive sealing layer is one of epoxy resin pouring sealant, polyurethane pouring sealant and organic silicon pouring sealant. The epoxy resin pouring sealant, the polyurethane pouring sealant and the organic silicon pouring sealant have small pressure on the electronic components, so that the electronic components are prevented from being damaged by pressure.
Furthermore, a through hole for the pin to penetrate through is formed in the encapsulating body, a connecting hole matched with the pin in an inserting mode is formed in the electric control plate, and the pin penetrates through the through hole and then is inserted into the connecting hole to be electrically connected with the electric control plate. The arrangement of the pins and the connecting holes facilitates the electric connection of the electric control board and the coil assembly.
Furthermore, the outside of lead wire has moulded plastics the lead wire protective sheath, the lead wire protective sheath is moulded plastics as an organic whole with gluey seal. The lead protective sleeve plays a role in protecting the lead and enhances the stability of the connection between the electric control board and the lead.
The invention also provides an encapsulating method of the air conditioner draining pump stator assembly, which comprises the following steps:
s1, forming a stator insulator by injection molding outside the stator core, then installing the pins on the stator insulator, and winding the enameled wire on the stator insulator;
s2, forming an encapsulating body for coating the enameled wire by injection molding outside the wiring part, and forming an accommodating cavity for installing the electric control board during injection molding;
s3, installing an electric control board, installing the electric control board in the accommodating cavity, and electrically connecting the pins with the electric control board during installation;
s4, potting the accommodating cavity by using the potting adhesive to form a glue sealing layer, and when the accommodating cavity is potted, the electric control board is fully covered by the potting adhesive.
Specifically, the step S3 includes:
s31, placing the electric control board in the accommodating cavity, and inserting the pins into the connecting holes in the electric control board during placement;
and S32, welding the pins and the electric control board together by soldering, so that the pins and the electric control board are more stably connected.
Specifically, the temperature of the accommodating cavity during potting in the step S4 is controlled to be 15-30 ℃. When the pouring sealant is at 15-30 ℃, the curing speed of the pouring sealant is low, the time for the pouring sealant operation is long, and enough operation time can be left for operators to carry out the pouring sealant operation.
Further, in the step S4, during the potting, the potting adhesive is uniformly coated on the surface of the electronic control board. The thickness of the glue sealing layer formed on the surface of the electric control board by the pouring sealant is uniform, the pouring sealant is convenient to uniformly cure to form the uniform glue sealing layer, and the influence on the quality of the glue sealing layer due to the large difference of the local curing speed of the pouring sealant is avoided.
The air conditioner drainage pump stator assembly and the encapsulating method thereof have the advantages that the accommodating cavity is formed in the encapsulating body to install the electric control board, the glue sealing layer is arranged in the accommodating cavity to seal the electric control board, and the moisture resistance of the stator assembly is enhanced;
in addition, the pouring sealant is used for pouring and sealing the electric control board to form a sealant layer, and compared with the method of using a plastic-coated material for injection molding to form a plastic-coated body, the pouring sealant has smaller pressure on the electronic components on the electric control board, so that the pressure on the electronic components can be effectively reduced, the electronic components on the circuit board can be prevented from being damaged by pressure, meanwhile, the sealant layer formed by the pouring sealant can also play a certain role in protecting the electronic components, and the service life of the electronic components is prolonged;
the pin has moulded plastics in the pin outside and has sealed the protective sheath with gluing after automatically controlled board electric connection, glues to seal the protective sheath and moulds plastics as an organic whole with gluing the seal. Glue and seal the protective sheath and play insulating seal and guard action to the pin, strengthen the stability that pin and automatically controlled board are connected, mould plastics in the outside of lead wire and have the lead wire protective sheath, the lead wire protective sheath moulds plastics as an organic wholely with gluing the seal, the lead wire protective sheath plays guard action to the lead wire, strengthens automatically controlled board and pin connection's stability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of an air conditioner drain pump stator assembly according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a coil assembly in an air conditioner drain pump stator assembly according to a preferred embodiment of the present invention.
Figure 3 is a top view of the coil assembly in the air conditioning drain pump stator assembly of the preferred embodiment of the present invention.
Fig. 4 is a schematic flow diagram of the potting method of the air conditioner drain pump stator assembly of the present invention.
Fig. 5 is a flowchart of step S3 in fig. 3.
In the figure: 1. a coil assembly; 11. a stator core; 12. a stator insulator; 13. a pin; 14. enamelled wires; 2. an electric control board; 3. a wiring portion; 4. an enclosure; 5. an accommodating chamber; 6. a lead wire; 7. and connecting the holes.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, which are the most preferred embodiments of the present invention, the air conditioner drain pump stator assembly includes a coil assembly 1, an enclosure 4, and an electronic control board 2, where the coil assembly 1 includes a stator core 11, a stator insulator 12, pins 13, and enameled wires 14, one circumferential side of the stator insulator 2 is provided with a wiring portion 3, the pins 13 are disposed on the wiring portion 3, and the exterior of the wiring portion 3 is formed by injection molding with the enclosure 4 for placing the electronic control board 2.
As shown in fig. 1 to 3, an accommodating cavity 5 for installing an electric control board 2 is arranged on an encapsulating body 4, the electric control board 2 is electrically connected with a coil assembly 1 through a pin 13, a through hole for the pin 13 to penetrate through is arranged on the encapsulating body 4, a connecting hole 7 in inserting connection and matching with the pin 13 is arranged on the electric control board 2, the pin 13 penetrates through the through hole and then is inserted into the connecting hole 7 to be electrically connected with the electric control board 2, the pin 13 is inserted into the connecting hole 7 to facilitate soldering of the pin 13 and the electric control board 2, the electric control board 2 is electrically connected with the pin 13, and therefore the electric control board 2 is electrically connected with the coil assembly 1. Automatically controlled board 2 is installed and is holding 5 back at and fill pouring sealant in holding 5 chambeies and form and set up the gluey seal, glues the seal and wraps automatically controlled board 2 completely.
The adhesive sealing layer is one of epoxy resin pouring adhesive, polyurethane pouring adhesive and organic silicon pouring adhesive, preferably organic silicon pouring adhesive is adopted, the organic silicon pouring adhesive has good high and low temperature resistance, and the cured organic silicon pouring adhesive can still keep elasticity even if subjected to cold and hot impact at the temperature of-60-200 ℃; the organic silicon potting adhesive is not shrunk after being cured, so that the electronic components are not influenced, and the electronic components are prevented from being damaged by pressure; the organic silicon pouring sealant has excellent electrical performance and insulating capability, has no corrosion to materials, has good heat dissipation capability and moisture resistance, and can effectively prolong the service life of the electric control board 2.
The electric control board 2 is electrically connected with a lead 6, a lead 6 protective sleeve is injected outside the lead 6, and the lead 6 protective sleeve and the glue sealing layer are injected into a whole. The lead 6 protective sleeve plays a role in protecting the lead 6 and enhances the stability of the connection of the electric control board 2 and the lead 6.
According to the air conditioner drainage pump stator assembly, the containing cavity 5 is formed in the enclosing body 4 to install the electric control plate 2, then the glue sealing layer is arranged in the containing cavity 5 to seal the electric control plate 2, the sealing performance of the electric control plate 2 is improved, the moisture resistance of the stator assembly is enhanced, the moisture resistance of the electric control plate 2 is improved due to the fact that the stator assembly is used in the air conditioner drainage pump, the service life and the use stability of the air conditioner drainage pump can be prolonged, and the use stability and the service life of an air conditioner are further improved.
In addition, the pouring sealant is used for pouring and sealing the electric control board 2 to form a sealant layer, and compared with the method of using a plastic-coated material for injection molding to form a plastic-coated body, the pouring sealant has smaller pressure on the electronic components on the electric control board 2, so that the pressure on the electronic components can be effectively reduced, the electronic components on the circuit board can be prevented from being damaged by pressure, meanwhile, the sealant layer formed by the pouring sealant can also play a certain protection role on the electronic components, and the service life of the electronic components is prolonged.
As shown in fig. 1 to 5, the invention provides a method for potting a stator assembly of an air conditioner drain pump, comprising the following steps:
s1, forming a stator insulator 12 outside the stator core 11 in an injection molding mode, then installing the pins 13 on the stator insulator 12, and winding the enameled wire 14 on the stator insulator 12;
s2, forming an encapsulating body 4 for coating the enameled wire 14 on the outer part of the wire connecting part 3 by injection molding, and forming an accommodating cavity 5 for installing the electric control board 2 during injection molding;
s3, installing the electric control board 2 in the accommodating cavity 5, and electrically connecting the pins 13 with the electric control board 2 during installation; specifically, step S3 includes:
s31, placing the electric control board 2 in the accommodating cavity 5, and inserting the pins 13 into the connecting holes 7 on the electric control board 2 during placement;
and S32, welding the pin 13 and the electronic control board 2 together by soldering, so that the connection between the pin 13 and the electronic control board 2 is more stable.
S4, using the pouring sealant to carry out encapsulation on the accommodating cavity 5 to form a sealant layer, wherein when the accommodating cavity 5 is encapsulated, the pouring sealant completely covers the electric control board 2, and specifically, the step S4 includes:
the containing cavity 5 is filled with the pouring sealant, the whole containing cavity 5 is filled with the pouring sealant during pouring, the temperature of the containing cavity 5 during pouring is controlled to be 15-30 ℃, the curing speed of the pouring sealant is low when the pouring sealant is at 15-30 ℃, the time for pouring operation is long, enough operation time can be left for operators to carry out pouring operation, and the pouring sealant is uniformly coated on the surface of the electric control board 2 during coating. The thickness of the glue seal layer formed by the pouring sealant on the surface of the electric control board 2 is uniform, the pouring sealant is convenient to uniformly cure to form the uniform glue seal layer, and the influence on the quality of the glue seal layer due to the large difference of the local curing speed of the pouring sealant is avoided.
According to the encapsulating method of the air conditioner drainage pump stator assembly, after the electric control board 2 is installed in the accommodating cavity 5, the surface of the electric control board 2 is filled with the encapsulating glue to form the encapsulating glue layer to protect the electric control board 2 and the electronic components on the electric control board 2, the pressure of the encapsulating glue on the electronic components is small, and the electronic components cannot be damaged, so that the service stability and the practical service life of the electric control board 2 are improved, the service stability and the service life of the air conditioner drainage pump are further improved, and the service stability and the service life of an air conditioner are further improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined by the scope of the claims.
Claims (8)
1. The utility model provides an air conditioner drain pump stator module, includes coil pack (1), envelopment (4), automatically controlled board (2), coil pack (1) contains stator core (11), stator insulator (12), pin (13) and enameled wire (14), one side of stator insulator (2) circumference is equipped with wiring portion (3), pin (13) set up on wiring portion (3), the outside of wiring portion (3) is moulded plastics and is formed with envelopment (4) that are used for placing automatically controlled board (2), its characterized in that: be equipped with chamber (5) that holds that is used for installing automatically controlled board (2) on enclosure (4), automatically controlled board (2) are connected through pin (13) electricity with coil pack (1), the electricity is connected with lead wire (6) on automatically controlled board (2), automatically controlled board (2) are installed and are being held chamber (5) back intussuseption pouring sealant and form the rubber seal, the rubber seal is with automatically controlled board (2) complete cladding.
2. An air conditioning drain pump stator assembly as set forth in claim 1, wherein: the glue sealing layer is one of epoxy resin pouring sealant, polyurethane pouring sealant and organic silicon pouring sealant.
3. An air conditioning drain pump stator assembly as set forth in claim 1, wherein: the encapsulating body (4) is provided with a through hole for the pin (13) to penetrate through, the electric control plate (2) is provided with a connecting hole (7) which is in plug-in fit with the pin (13), and the pin (13) penetrates through the through hole and then is plugged into the connecting hole (7) to be electrically connected with the electric control plate (2).
4. An air conditioning drain pump stator assembly as set forth in claim 3, wherein: the outer part of the lead (6) is injected with a lead protective sleeve, and the lead protective sleeve and the glue sealing layer are injected into a whole.
5. A method of potting an air conditioning drain pump stator assembly of any of claims 1 to 4, wherein: the method comprises the following steps:
s1, forming a stator insulator (12) outside the stator core (11) in an injection molding mode, then installing the pins (13) on the stator insulator (12), and winding the enameled wire (14) on the stator insulator (12);
s2, forming an encapsulating body (4) for coating the enameled wire (14) by injection molding outside the wire connecting part (3), and forming an accommodating cavity (5) for mounting the electric control board (2) during injection molding;
s3, installing the electric control board (2) in the accommodating cavity (5), and electrically connecting the pins (13) with the electric control board (2) during installation;
s4, potting the accommodating cavity (5) by using the potting adhesive to form a glue sealing layer, wherein the electric control board (2) is completely covered by the potting adhesive when the accommodating cavity (5) is potted.
6. The air conditioning drain pump stator assembly potting method of claim 6, wherein: the step S3 includes:
s31, placing the electric control board (2) in the accommodating cavity (5), and inserting the pins (13) into the connecting holes (7) on the electric control board (2) during placement;
and S32, soldering the pin (13) and the electric control board (2) together by soldering, so that the connection between the pin (13) and the electric control board (2) is more stable.
7. The air conditioning drain pump stator assembly potting method of claim 7, wherein: and in the step S4, the temperature of the accommodating cavity (5) during encapsulation is controlled to be 15-30 ℃.
8. The air conditioning drain pump stator assembly potting method of claim 7, wherein: in the step S4, during potting, the potting adhesive is uniformly coated on the surface of the electronic control board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537690.4A CN113241871A (en) | 2021-05-18 | 2021-05-18 | Air conditioner draining pump stator assembly and encapsulating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537690.4A CN113241871A (en) | 2021-05-18 | 2021-05-18 | Air conditioner draining pump stator assembly and encapsulating method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113241871A true CN113241871A (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110537690.4A Pending CN113241871A (en) | 2021-05-18 | 2021-05-18 | Air conditioner draining pump stator assembly and encapsulating method thereof |
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| Country | Link |
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| CN (1) | CN113241871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949229A (en) * | 2020-07-16 | 2022-01-18 | 中车永济电机有限公司 | Rotor shaft filling and sealing device and rotor shaft filling and sealing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901662A (en) * | 2010-08-13 | 2010-12-01 | 浙江三花制冷集团有限公司 | Solenoid coil |
| CN103199648A (en) * | 2012-01-05 | 2013-07-10 | 浙江三花股份有限公司 | Stator assembly, assembly method thereof, motor and drainage pump |
| CN204156674U (en) * | 2014-10-21 | 2015-02-11 | 上海康源电气有限公司 | Refrigerator small brushless d. c. fan motor |
| CN105318080A (en) * | 2014-07-29 | 2016-02-10 | 杭州三花研究院有限公司 | Electronic expansion valve, motor coil, circuit board assembly and glue filling method |
| CN112186914A (en) * | 2020-10-09 | 2021-01-05 | 湖州鸿德电机有限公司 | Embedment stator, motor and processing frock |
-
2021
- 2021-05-18 CN CN202110537690.4A patent/CN113241871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901662A (en) * | 2010-08-13 | 2010-12-01 | 浙江三花制冷集团有限公司 | Solenoid coil |
| CN103199648A (en) * | 2012-01-05 | 2013-07-10 | 浙江三花股份有限公司 | Stator assembly, assembly method thereof, motor and drainage pump |
| CN105318080A (en) * | 2014-07-29 | 2016-02-10 | 杭州三花研究院有限公司 | Electronic expansion valve, motor coil, circuit board assembly and glue filling method |
| CN204156674U (en) * | 2014-10-21 | 2015-02-11 | 上海康源电气有限公司 | Refrigerator small brushless d. c. fan motor |
| CN112186914A (en) * | 2020-10-09 | 2021-01-05 | 湖州鸿德电机有限公司 | Embedment stator, motor and processing frock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949229A (en) * | 2020-07-16 | 2022-01-18 | 中车永济电机有限公司 | Rotor shaft filling and sealing device and rotor shaft filling and sealing method |
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