CN111211638A - Airing machine direct current elevator motor, driving system and airing system - Google Patents
Airing machine direct current elevator motor, driving system and airing system Download PDFInfo
- Publication number
- CN111211638A CN111211638A CN202010106234.XA CN202010106234A CN111211638A CN 111211638 A CN111211638 A CN 111211638A CN 202010106234 A CN202010106234 A CN 202010106234A CN 111211638 A CN111211638 A CN 111211638A
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- motor
- direct current
- brake pad
- dynamic brake
- static
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- 230000003068 static effect Effects 0.000 claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
- H02K7/1021—Magnetically influenced friction brakes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F57/00—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired
- D06F57/12—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects
- D06F57/125—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects for attachment to, or close to, the ceiling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a direct-current lifting motor of a clothes airing machine, a power system and a clothes airing system, which comprise a direct-current motor assembly and a brake assembly, wherein the direct-current motor assembly is powered by direct current, the direct-current motor assembly comprises a shell, a motor shaft, a stator, a rotor core and a rotor winding, and the brake assembly comprises a static brake pad, a dynamic brake pad and a reset spring which are positioned in the shell; the movable brake block can rotate along with the motor shaft and can axially move along the motor shaft, when the motor works, the rotor winding is electrified to enable the end face of the rotor iron core to generate a magnetic field to attract the movable brake block, and the static brake block and the movable brake block are structurally separated; when the motor is powered off, the magnetic field of the rotor iron core disappears, and under the action of the return spring, the dynamic brake pad and the static brake pad are attached to generate friction force to realize braking; the direct current lifting motor is simple in structure, can prevent the motor from rotating by inertia, and can prevent the clothes hanger from continuously moving downwards under the load when the motor is powered off.
Description
Technical Field
The invention relates to a clothes airing machine in the field of home furnishing, in particular to a direct-current lifting motor on the clothes airing machine.
Background
The clothes drying machine comprises a main machine part arranged on a ceiling and a clothes drying rack positioned below the main machine part, wherein a power assembly in the main machine part is used for winding and unwinding a steel wire rope, the main machine part is connected with the clothes drying rack through the steel wire rope so as to realize the lifting of the clothes drying rack, and one core part in the power assembly is a lifting motor which is also called a winding motor.
For example, the core assembly for the winding mechanism of the electric clothes airing machine with the authorization notice number of CN206590699U discloses a winding reel, a winding motor and a controller. The utility model discloses a clothes airing machine with life early warning that authorizes notice number CN208562903U, its capstan winch, spiral motor and PCB board etc. are disclosed.
At present, motors on the clothes airing machine are all alternating current motors, a brake mechanism is arranged in the alternating current motors, the brake mechanism overcomes the rotation inertia of the motors on one hand, and can prevent the clothes airing frame from moving downwards under continuous load on the other hand, and when the motors do not adopt the brake mechanism, the clothes airing frame can slide downwards at the speed of several millimeters to several centimeters per hour.
The brake mechanism of the existing direct current motor is additionally provided with a magnetic field generated by a winding coil to attract a brake pad, the added winding group increases the structural complexity of the motor, the volume of the motor is increased, and the manufacturing cost is increased.
Disclosure of Invention
The invention aims to provide a lifting motor of a clothes airing machine with a simplified structure, and further provides a power system and a clothes airing system with the lifting motor.
The technical scheme adopted by the invention for solving the technical problems is as follows: the direct current lifting motor of the clothes airing machine is characterized by comprising a direct current motor component and a brake component, wherein the direct current motor component is powered by direct current, the direct current motor component comprises a shell, a motor shaft, a stator, a rotor iron core and a rotor winding, and the brake component comprises a static brake pad, a dynamic brake pad and a return spring which are positioned in the shell; the dynamic brake pad can rotate along with the motor shaft and can axially move along the motor shaft, when the motor works, the rotor winding is electrified to enable the end face of the rotor core to generate a magnetic field to attract the dynamic brake pad, so that the static brake pad and the dynamic brake pad are structurally separated; when the motor is powered off, the magnetic field of the rotor core disappears, and the dynamic brake pad and the static brake pad are attached to generate friction force under the action of the return spring so as to realize braking.
The further preferable technical scheme of the invention is as follows: the direct current motor assembly further comprises a commutator, and the direct current supplies power to the rotor winding after passing through the commutator.
The further preferable technical scheme of the invention is as follows: the stator is a permanent magnet; the motor shaft is fixed with the rotor iron core.
The further preferable technical scheme of the invention is as follows: the movable brake block is sleeved on the motor shaft, and a radial limiting structure is arranged between the movable brake block and the insulating end plate.
The further preferable technical scheme of the invention is as follows: the clearance between the dynamic brake pad and the static brake pad is 0.3-0.8 mm when the dynamic brake pad and the static brake pad are separated.
The further preferable technical scheme of the invention is as follows: the casing include backshell and protecgulum of reciprocal anchorage, the quiet brake block fix the inboard at the protecgulum, the dynamic braking piece be located between quiet brake block and the rotor core and can the amplitude limiting move between the two.
The further preferable technical scheme of the invention is as follows: the static brake block is provided with a first through hole, the dynamic brake block is provided with a second through hole, and the motor shaft penetrates through the first through hole and the second through hole.
The further preferable technical scheme of the invention is as follows: the dynamic brake block comprises a plate-shaped friction part and a cylindrical suction part which are integrated, the reset spring is positioned in the cylindrical suction part and is propped between the plate-shaped friction part and the rotor core, the plate-shaped friction part is matched with the static brake block, one end of the cylindrical suction part is connected with the plate-shaped friction part, and the other end face of the cylindrical suction part is matched with the rotor core.
Another preferred subject of the invention: the power system comprises a clothes airing machine direct current lifting motor, a winding drum and a steel wire rope wound on the winding drum, wherein the clothes airing machine direct current lifting motor drives the winding drum to achieve winding and unwinding of the steel wire rope.
A further preferred subject of the invention: the clothes drying system is characterized by comprising a main machine and a clothes drying rack, wherein the main machine comprises the power system, and the power system is used for driving the clothes drying rack to lift.
Compared with the prior art, the clothes airing machine has the advantages that the direct-current lifting motor is adopted, when the motor is electrified, the end face of the rotor iron core generates a magnetic field to attract the movable brake pad, and the motor shaft can normally rotate to drive the steel wire rope to ascend or descend; when the motor stops working, the magnetic field of the rotor core disappears, the dynamic brake pad and the static brake pad are mutually attracted, and the dynamic brake pad and the motor shaft are mutually fixed, so that the motor shaft stops rotating, the wire rope is further limited to be continuously zoomed by the winding drum, the inertial rotation of the motor is prevented, and meanwhile, the clothes hanger can be prevented from continuously moving downwards under the load when the motor stops working.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are intended to be conceptual in nature or configuration of the objects depicted and may contain exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a schematic overall structure diagram of a clothes airing system;
FIG. 2 is an exploded view of the host architecture;
FIG. 3 is a schematic diagram of the overall configuration of the power system;
FIG. 4 is a cross-sectional view of a DC lift motor;
FIG. 5 is a first exploded view of the DC elevator motor;
FIG. 6 is a second exploded view of the DC elevator motor;
FIG. 7 is a partial enlarged view of the rotor core adsorbing the brake pad;
FIG. 8 is a partial enlarged view of the attraction between the dynamic brake pad and the static brake pad;
FIG. 9 is a schematic view of the structure of the brake pad and the insulating end plate.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
As shown in fig. 1, the clothes drying system 100 includes a main machine 10 and a clothes drying rack 30, wherein the main machine 10 includes a power system 20, and the power system 20 is used for driving the clothes drying rack 30 to lift.
The main frame 10 and the laundry rack 30 are usually fixedly connected by a steel cable S, and preferably, X-shaped telescopic assemblies 32 are installed at both ends of the laundry rack 30 to make the lifting and lowering of the laundry rack 30 more stable.
More preferably, a horizontally extendable and retractable airing rod 31 is mounted on the airing hanger 30. The technical scheme is disclosed in detail in other series of patents, and is not described in detail in this embodiment.
As shown in fig. 2, the main unit 10 includes a main unit housing 11, and the power system 20 is installed inside the main unit housing 11.
As shown in fig. 3, the power system 20 includes a clothes-horse dc lift motor 21, a bobbin 22, and a steel cable S wound around the bobbin 22, wherein the clothes-horse dc lift motor 21 drives the bobbin 22 to wind and unwind the steel cable S, and preferably, the steel cable S connects two ends of the clothes-horse 30 to lift and lower the clothes-horse 30. This embodiment mainly explains the clothes drying machine dc lifting motor 21 on the power system 20 in detail as follows:
as shown in fig. 4 to 6, the clothes airing machine dc lifting motor 21 includes a dc motor assembly 010 and a brake assembly 020, the dc motor assembly 010 includes a housing 011, a motor shaft 012, a stator 013, a rotor core 014 and a rotor winding 015, the brake assembly 020 includes a static brake pad 021, a dynamic brake pad 022 and a return spring 023, which are located in the housing 011; the dynamic brake pad 022 is fixed on the motor shaft 012, when the motor works, the rotor winding 015 is electrified to make the end face of the rotor core 014 generate a magnetic field to attract the dynamic brake pad 022, so that the static brake pad 021 is structurally separated from the dynamic brake pad 022; when the motor is powered off, the magnetic field of the rotor core 014 disappears, and the movable brake pad 022 and the static brake pad 021 are attached to generate friction force under the action of the return spring 023 to realize braking.
When the motor stops working, the magnetic field of the rotor core 014 disappears, the dynamic brake pad 022 and the static brake pad attract each other, and the dynamic brake pad 022 and the motor shaft 012 adopt a mutually fixed mode, so that the motor shaft 012 stops rotating, the wire rope S is further restricted from continuously contracting and expanding by the bobbin 22, the inertial rotation of the motor is prevented, and meanwhile, the clothes hanger 30 is prevented from continuously moving downwards under the load when the motor stops working.
And the direct current lifting motor 21 of the clothes drying machine is simple in structure, and a winding coil does not need to be additionally arranged.
In practical installation, the dc motor assembly 010 further includes a commutator 016, and the dc power is supplied to the rotor winding 015 through the commutator 016.
Specifically, the stator 013 is a permanent magnet; motor shaft 012 is fixed to rotor core 014.
The dynamic brake pad 022 is sleeved on the motor shaft 012, and a radial limiting structure F is arranged between the dynamic brake pad 022 and the insulating end plate K.
Specifically, as shown in fig. 6 and 9, insulating end plate K is fixed with rotor core 014 through rotor winding 015, and rotor core 014 is fixed with motor shaft 012 tight fit, is equipped with radial restriction structure F through between dynamic brake piece 022 and the insulating end plate K to realize the synchronous rotation of dynamic brake piece 022 and motor shaft 012, radial restriction structure F includes that the spacing face of the first spacing face e on dynamic brake piece 022 and the spacing face F of second of insulating end plate K restrict each other.
The clearance between the dynamic brake pad 022 and the static brake pad 021 is 0.3-0.8 mm when the dynamic brake pad and the static brake pad are separated.
The housing 011 includes a rear case b and a front cover a fixed to each other, a stationary brake pad 021 fixed to an inner side of the front cover a, and a movable brake pad 022 interposed between the stationary brake pad 021 and the rotor core 014 and capable of amplitude-limited movement therebetween.
The static brake block 021 is equipped with first through-hole c, and dynamic brake block 022 is equipped with second through-hole d, and motor shaft 012 passes first through-hole c and second through-hole d.
The dynamic brake pad 022 includes a plate-shaped friction portion 01 and a cylindrical attraction portion 02, a return spring 023 is located in the cylindrical attraction portion 02 and is pressed between the plate-shaped friction portion 01 and the rotor core 014, the plate-shaped friction portion 01 is matched with the static brake pad 021, one end of the cylindrical attraction portion 02 is connected with the plate-shaped friction portion 01, and the other end face of the cylindrical attraction portion 02 is matched with the rotor core 014.
The present invention provides a clothes drying machine lifting motor, a power system and a clothes drying system, which are described in detail above, wherein a specific example is applied to illustrate the principle and the implementation mode of the present invention, and the description of the above embodiment is only used to help understanding the present invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The direct current lifting motor of the clothes airing machine is characterized by comprising a direct current motor component and a brake component, wherein the direct current motor component is powered by direct current, the direct current motor component comprises a shell, a motor shaft, a stator, a rotor iron core and a rotor winding, and the brake component comprises a static brake pad, a dynamic brake pad and a return spring which are positioned in the shell; the dynamic brake pad can rotate along with the motor shaft and can axially move along the motor shaft, when the motor works, the rotor winding is electrified to enable the end face of the rotor core to generate a magnetic field to attract the dynamic brake pad, so that the static brake pad and the dynamic brake pad are structurally separated; when the motor is powered off, the magnetic field of the rotor core disappears, and the dynamic brake pad and the static brake pad are attached to generate friction force under the action of the return spring so as to realize braking.
2. The clothes drying machine direct current lifting motor according to claim 1, wherein the direct current motor assembly further comprises a commutator, and direct current supplies power to the rotor winding after passing through the commutator.
3. The airing machine direct current elevator motor according to claim 1, characterized in that the stator is a permanent magnet; the motor shaft is fixed with the rotor core.
4. The clothes airing machine direct current elevator motor of claim 1, characterized in that the dynamic brake block is sleeved on the motor shaft, and a radial limiting structure is arranged between the dynamic brake block and the insulating end plate.
5. The clothes airing machine direct current lifting motor according to claim 1, characterized in that a gap between the dynamic brake pad and the static brake pad when the dynamic brake pad and the static brake pad are separated is 0.3-0.8 mm.
6. The clothes airing machine direct current lifting motor of claim 1, characterized in that the casing includes backshell and protecgulum fixed to each other, the static brake block is fixed in the inboard of protecgulum, the dynamic brake block be located between static brake block and the rotor core and can be between the two the amplitude limiting removal.
7. The clothes airing machine direct current elevator motor of claim 4, characterized in that the static brake piece is provided with a first through hole, the dynamic brake piece is provided with a second through hole, and the motor shaft passes through the first through hole and the second through hole.
8. The clothes airing machine direct current elevator motor of claim 1, characterized in that the dynamic brake piece includes an integrated plate-shaped friction portion and a cylindrical attraction portion, the return spring is located in the cylindrical attraction portion and is pressed against between the plate-shaped friction portion and the rotor core, the plate-shaped friction portion is matched with the static brake piece, one end of the cylindrical attraction portion is connected with the plate-shaped friction portion, and the other end face of the cylindrical attraction portion is matched with the rotor core.
9. The power system is characterized by comprising the clothes airing machine direct current lifting motor according to any one of claims 1 to 8, a winding drum and a steel wire rope wound on the winding drum, wherein the clothes airing machine direct current lifting motor drives the winding drum to achieve winding and unwinding of the steel wire rope.
10. The clothes drying system is characterized by comprising a main machine and a clothes hanger, wherein the main machine comprises the power system according to claim 9, and the power system is used for driving the clothes hanger to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010106234.XA CN111211638A (en) | 2020-02-21 | 2020-02-21 | Airing machine direct current elevator motor, driving system and airing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010106234.XA CN111211638A (en) | 2020-02-21 | 2020-02-21 | Airing machine direct current elevator motor, driving system and airing system |
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| Publication Number | Publication Date |
|---|---|
| CN111211638A true CN111211638A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010106234.XA Pending CN111211638A (en) | 2020-02-21 | 2020-02-21 | Airing machine direct current elevator motor, driving system and airing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7249727B1 (en) | 2022-01-12 | 2023-03-31 | 台達電子工業股▲ふん▼有限公司 | Braking device for rotary motor |
-
2020
- 2020-02-21 CN CN202010106234.XA patent/CN111211638A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7249727B1 (en) | 2022-01-12 | 2023-03-31 | 台達電子工業股▲ふん▼有限公司 | Braking device for rotary motor |
| JP2023102739A (en) * | 2022-01-12 | 2023-07-25 | 台達電子工業股▲ふん▼有限公司 | Braking device of rotary motor |
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Country or region after: China Address after: Building 2, 3rd Floor, No. 188 Jinpin Road, Jiangdong Town, Jindong District, Jinhua City, Zhejiang Province 321000 Applicant after: Zhonghao (Zhejiang) Testing Technology Co.,Ltd. Address before: Building 2, 3rd Floor, No. 188 Jinpin Road, Jiangdong Town, Jindong District, Jinhua City, Zhejiang Province 321000 Applicant before: Winning the bid (Zhejiang) Intelligent Technology Co.,Ltd. Country or region before: China |