CN111722554A - Overweight protection system and overweight protection method for clothes drying machine and clothes drying machine - Google Patents
Overweight protection system and overweight protection method for clothes drying machine and clothes drying machine Download PDFInfo
- Publication number
- CN111722554A CN111722554A CN201911104674.5A CN201911104674A CN111722554A CN 111722554 A CN111722554 A CN 111722554A CN 201911104674 A CN201911104674 A CN 201911104674A CN 111722554 A CN111722554 A CN 111722554A
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- China
- Prior art keywords
- motor
- mcu controller
- lifting motor
- overweight
- rotating speed
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses an overweight protection system and an overweight protection method of a clothes airing machine and the clothes airing machine, comprising a lifting motor and a wire winder, wherein the wire winder is used for driving a wire rope to be wound and unwound; the rotating speed detection module is used for detecting and outputting a rotating signal of the rotating shaft of the lifting motor; the MCU controller is connected with the rotating speed detection module; the MCU controller is connected with the lifting motor through an electronic switch, processes and converts a rotation signal of a rotating shaft of the lifting motor into a motor rotating speed, compares the motor rotating speed with an overweight rotating speed threshold set by the MCU controller, and stops the operation of the lifting motor by controlling the electronic switch when the MCU controller judges that the lifting motor runs in an overload state; thereby avoiding damage caused by the overload operation of the lifting motor.
Description
Technical Field
The invention relates to the field of control systems of clothes drying machines, in particular to an overweight protection system and an overweight protection method of a clothes drying machine.
Background
The airing machine comprises a main machine part arranged on a ceiling and an airing rod arranged below the main machine part, a rope rolling device is arranged in the main machine part, and the rope rolling device is connected to the airing rod through a steel wire rope to lift the airing rod.
In order to protect the reliable operation of the clothes airing machine, an overweight protection module, a descending resistance encountering module and the like are arranged on the clothes airing machine. For example, CN203159959U is an overweight protection device for clothes drying machine, which is implemented by means of a pulley, a compression spring, and a micro switch, wherein when the clothes drying machine is overweight, the pulley moves to trigger the micro switch, so that the motor sends a corresponding signal.
The overweight load protection device structure of the electric clothes drying machine with the authorization notice number of CN201383441Y is characterized in that when clothes exceeding the rated weight value are hung on the electric clothes drying machine, the touch shaft of the elastic component touches the switch unit, and then the motor of the electric clothes drying machine stops working.
As described in the above documents, overweight protective structures are known in the prior art, but are relatively complex and costly.
Disclosure of Invention
The invention aims to provide an overweight protection system of a clothes airing machine, further provides a protection method based on the overweight protection system, and further provides the clothes airing machine based on the overweight protection system.
The technical scheme adopted by the invention for solving the technical problems is as follows: the clothes airing machine overweight protection system is characterized by comprising a lifting motor and a wire winder, wherein the wire winder is used for driving a wire rope to be wound and unwound; the rotating speed detection module is used for detecting and outputting a rotating signal of the rotating shaft of the lifting motor; the device comprises an MCU controller and an electronic switch, wherein the MCU controller is connected with a rotating speed detection module; the MCU controller is connected with the lifting motor through the electronic switch, converts the rotation signal processing of the rotating shaft of the lifting motor into the motor rotating speed and compares the motor rotating speed with an overweight rotating speed threshold value set by the MCU controller, and when the MCU controller judges that the lifting motor runs in an overload mode, the MCU controller stops the running of the lifting motor through controlling the electronic switch.
The further preferable scheme of the invention is as follows: the electronic switch is a relay or a silicon controller.
The further preferable scheme of the invention is as follows: the rotation speed detection module detects that the rotation speed of the motor is less than the overweight rotation speed threshold value, and the MCU controller judges that the lifting motor runs in an overload mode; the rotation speed detection module detects that the rotation speed of the lifting motor is greater than or equal to the overweight rotation speed threshold value, and the MCU controller judges that the lifting motor normally operates.
The further preferable scheme of the invention is as follows: the rotating speed detection module comprises a sensor and a peripheral circuit, wherein the sensor is used for detecting the rotation of the motor rotating shaft, and the sensor and the peripheral circuit output a rotating electric signal of the motor rotating shaft together.
The further preferable scheme of the invention is as follows: the sensor is an infrared grating sensor or a Hall sensor.
The further preferable scheme of the invention is as follows: the Hall sensor comprises a magnet arranged on a rotating shaft of the lifting motor and a Hall sensing element fixed in the lifting motor, and the Hall sensing element and a peripheral circuit are connected with the MCU controller.
The further preferable scheme of the invention is as follows: the magnet is fixed at the tail end of the rotating shaft through a screw, and the Hall sensing element is installed on the inner wall of the motor shell close to the magnet.
The further preferable scheme of the invention is as follows: the hall sensor and the peripheral circuit are arranged on a circuit board mounted on the inner wall of the motor housing near the magnet.
The further preferable scheme of the invention is as follows: the MCU controller is connected with the lifting motor and controls the operation of the lifting motor.
The further preferable scheme of the invention is as follows: the remote controller is provided with a wireless transmitting module, and a wireless receiving module connected with the wireless transmitting module is arranged in or outside the MCU controller.
Another subject is: the protection method of the overweight protection system of the clothes drying machine is characterized in that 1) the clothes drying machine is started, and the MCU controller sends an airing rod lifting instruction to lift the airing rod; 2) the rotating speed detection module is used for detecting and outputting a rotating signal of the rotating shaft of the lifting motor; 3) the MCU controller processes and converts the rotation signal of the rotating shaft of the lifting motor into the motor rotating speed, and compares the motor rotating speed with the overweight rotating speed threshold set by the MCU controller, and when the MCU controller judges that the lifting motor runs in an overload mode, the MCU controller stops the running of the lifting motor by controlling the electronic switch.
The further preferable scheme of the invention is as follows: if the rotating speed of the motor is less than or equal to the overweight rotating speed threshold value, the MCU controller judges that the lifting motor runs in an overload mode; and if the rotating speed of the motor is greater than the overweight rotating speed threshold value, the MCU controls and judges that the lifting motor normally operates.
Another subject is: the airing machine is characterized by comprising an overweight protection system of the airing machine.
Compared with the prior art, the invention has the advantages that the MCU controller is connected with the rotating speed detection module; the MCU controller is connected with the lifting motor through the electronic switch, the MCU controller processes and converts a rotation signal of a rotating shaft of the lifting motor into a motor rotating speed, and compares the motor rotating speed with an overweight rotating speed threshold set by the MCU controller, when the MCU controller judges that the lifting motor runs in an overload mode, the MCU controller stops the running of the lifting motor through controlling the electronic switch, and therefore damage caused by the overload running of the lifting motor is avoided.
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 merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a first overall structural diagram of a clothes airing machine;
FIG. 2 is a schematic diagram II of the overall structure of the clothes airing machine;
FIG. 3 is a first schematic structural view of a powertrain in a host component;
FIG. 4 is a second schematic structural view of a powertrain in a host component;
FIG. 5 is an enlarged view taken at A in FIG. 4 in the present invention;
fig. 6 is a first block diagram of an overweight protection system of the clothes airing machine;
fig. 7 is a flow chart of a clothes drying machine overweight protection method;
fig. 8 is a second block diagram of the clothes airing machine overweight protection system.
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.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
As shown in fig. 1 and 2, the clothes drying machine 400 mainly includes a main body part 401 and an air drying rod 402 connected to the main body part 401 by a steel wire rope S, a reel 20 for winding the steel wire rope S is installed on a power assembly 300 in the main body part 401, and a lifting motor 10 drives the reel 20 to achieve the purpose of winding and unwinding the steel wire rope S, thereby finally realizing the ascending or descending of the air drying rod 402.
In the actual use process, when the overweight clothes are hung on the airing rod 402, the motor in the main machine part 401 can run in an overload mode, and the motor can be damaged in the long-term past, so the clothes drying machine 400 with the overweight protection system of the clothes drying machine is provided in the embodiment, and the overweight protection system of the clothes drying machine specifically comprises the following components:
as shown in fig. 3 to 6, the overweight protecting system of the clothes airing machine comprises a lifting motor 10, a winder 20 for driving and releasing a steel wire rope S; a rotation speed detection module 100 for detecting and outputting a rotation signal of the shaft 11 of the elevator motor;
the device comprises an MCU controller 200 and an electronic switch R, wherein the MCU controller 200 is connected with a rotating speed detection module 100; MCU controller 200 is connected with elevator motor 10 through electronic switch R, converts the rotation signal processing of elevator motor pivot 11 into motor speed to with the overweight rotational speed threshold value comparison that MCU controller 200 set for, when MCU controller judges elevator motor 10 overload operation, MCU controller is through controlling electronic switch R in order to stop elevator motor 10 and move.
In addition, in this embodiment, the idling speed of the elevator motor 10 may be 2700rpm, the overweight speed threshold may be 1700rpm, and when the rotation speed of the elevator motor shaft 11 is lower than 1700rpm, it is determined that the elevator motor 10 is overloaded.
Preferably, the electronic switch R is a relay or thyristor.
When the rotation speed detection module 100 detects that the motor rotation speed is less than the overweight rotation speed threshold, the MCU controller 200 judges that the lifting motor 10 is running overloaded; when the rotation speed detection module 100 detects that the rotation speed of the lifting motor 10 is greater than or equal to the overweight rotation speed threshold, the MCU controller 200 determines that the lifting motor 10 is operating normally.
The rotation speed detecting module 100 includes a sensor for detecting rotation of the motor shaft 11 and a peripheral circuit 34, and the sensor and the peripheral circuit 34 output a rotation electric signal of the motor shaft 11 together.
The sensor is an infrared grating sensor or a hall sensor 30.
As shown in fig. 5, the hall sensor 30 includes a magnet 31 mounted on the shaft 11 of the elevator motor and a hall sensing element 33 fixed in the elevator motor 10, and the hall sensing element 33 and a peripheral circuit are connected to the MCU controller 200.
In the actual installation process, the magnet 31 is fixed at the rear end 11a of the motor shaft 11 by the screw 32, and the hall sensor 33 is installed at the inner wall of the motor housing near the magnet 31.
The hall sensing elements 33 and the peripheral circuits 34 are arranged on a circuit board 35, and the circuit board 35 is mounted on the inner wall t of the motor case near the magnet 31.
Preferably, the MCU controller 200 is connected to the elevating motor 10, and the MCU controller 200 controls the operation of the elevating motor 10.
Preferably, as shown in fig. 8, the clothes drying machine overweight detection system further comprises a remote controller 400, the remote controller 400 is provided with a wireless transmitting module, and the MCU controller 200 is internally or externally provided with a wireless receiving module connected with the wireless transmitting module.
In the actual use process, the model of the hall sensor 30 is HX4913, and the model of the main chip of the MCU controller 200 is HR8P506 or STM8S 003.
As shown in fig. 7 and 8, the detection method of the clothes airing machine overweight detection system comprises the following specific steps:
1) starting the clothes drying machine 400, and enabling the MCU controller 200 to send an airing rod lifting instruction to lift the airing rod 402;
2) a rotation speed detection module 100 for detecting and outputting a rotation signal of the shaft 11 of the elevator motor;
3) the MCU controller 200 processes the rotation signal of the shaft 11 of the elevator motor to convert the rotation signal into a motor speed, and compares the motor speed with an overweight speed threshold set by the MCU controller 200, and when the MCU controller determines that the elevator motor 10 is in overload operation, the MCU controller 200 stops the operation of the elevator motor 10 by controlling the electronic switch R.
If the motor rotating speed is less than or equal to the overweight rotating speed threshold value, the MCU controller 200 judges that the lifting motor 10 runs in an overload mode; if the motor speed is greater than the overweight speed threshold, the MCU controller 200 determines that the elevator motor 10 is operating normally.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The clothes drying machine overweight protection system, the protection method and the clothes drying machine provided by the invention are described in detail, specific examples are applied in the description to explain the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the 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 clothes airing machine overweight protection system is characterized by comprising a lifting motor and a wire winder, wherein the wire winder is used for driving a wire rope to be wound and unwound; the rotating speed detection module is used for detecting and outputting a rotating signal of the rotating shaft of the lifting motor;
the device comprises an MCU controller and an electronic switch, wherein the MCU controller is connected with a rotating speed detection module; the MCU controller is connected with the lifting motor through the electronic switch, converts the rotation signal processing of the rotating shaft of the lifting motor into the motor rotating speed and compares the motor rotating speed with an overweight rotating speed threshold value set by the MCU controller, and when the MCU controller judges that the lifting motor runs in an overload mode, the MCU controller stops the running of the lifting motor through controlling the electronic switch.
2. The clothes drying machine overweight protection system of claim 1 wherein the electronic switch is a relay or a thyristor.
3. The clothes drying machine overweight protection system of claim 1 wherein the rotation speed detection module detects that the motor rotation speed is less than the overweight rotation speed threshold, the MCU controller judges that the lifting motor runs in overload; the rotation speed detection module detects that the rotation speed of the lifting motor is greater than or equal to the overweight rotation speed threshold value, and the MCU controller judges that the lifting motor normally operates.
4. The clothes drying machine overweight protection system of claim 1 wherein the rotation speed detection module comprises a sensor for detecting the rotation of the motor shaft and a peripheral circuit, the sensor and the peripheral circuit together output a rotation electric signal of the motor shaft.
5. The clothes drying machine overweight protection system of claim 4 wherein the sensor is an infrared grating sensor or Hall sensor.
6. The clothes drying machine overweight protection system of claim 5 wherein the hall sensor comprises a magnet mounted on the elevator motor shaft and a hall sensing element fixed in the elevator motor, the hall sensing element and peripheral circuits are connected with the MCU controller.
7. The clothes drying machine overweight protection system of claim 6 wherein the magnet is fixed at the tail end of the rotating shaft by a screw, and the Hall sensing element is mounted on the inner wall of the motor shell close to the magnet.
8. Method of protecting an overweight protection system of an air clothes drying machine according to any of claims 1 to 7 characterized in that
1) Starting the clothes drying machine, and sending an airing rod lifting instruction by the MCU controller to lift the airing rod;
2) the rotating speed detection module is used for detecting and outputting a rotating signal of the rotating shaft of the lifting motor;
3) the MCU controller processes and converts the rotation signal of the rotating shaft of the lifting motor into the motor rotating speed, and compares the motor rotating speed with the overweight rotating speed threshold set by the MCU controller, and when the MCU controller judges that the lifting motor runs in an overload mode, the MCU controller stops the running of the lifting motor by controlling the electronic switch.
9. The detection method of the clothes drying machine overweight protection system of claim 8, wherein if the motor rotating speed is less than or equal to the overweight rotating speed threshold, the MCU controller judges that the lifting motor runs in overload; and if the rotating speed of the motor is greater than the overweight rotating speed threshold value, the MCU controls and judges that the lifting motor normally operates.
10. A clothes drying machine, characterized in that it comprises a clothes drying machine overweight protection system according to any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104674.5A CN111722554A (en) | 2019-11-13 | 2019-11-13 | Overweight protection system and overweight protection method for clothes drying machine and clothes drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104674.5A CN111722554A (en) | 2019-11-13 | 2019-11-13 | Overweight protection system and overweight protection method for clothes drying machine and clothes drying machine |
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| CN111722554A true CN111722554A (en) | 2020-09-29 |
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| CN201911104674.5A Pending CN111722554A (en) | 2019-11-13 | 2019-11-13 | Overweight protection system and overweight protection method for clothes drying machine and clothes drying machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678701A (en) * | 2020-12-21 | 2021-04-20 | 浙江富球智能科技有限公司 | Slow lifting and slow lowering method applied to airing machine or cabinet |
| CN113781754A (en) * | 2021-09-16 | 2021-12-10 | 广东好太太智能家居有限公司 | Clothes airing machine abnormity alarm method and system, electronic equipment and medium |
| CN114606734A (en) * | 2022-03-14 | 2022-06-10 | 广东晾的智能科技有限公司 | Intelligent electric clothes airing machine with overload protection function |
| CN114638424A (en) * | 2022-03-24 | 2022-06-17 | 九牧厨卫股份有限公司 | Clothes airing machine steel wire rope abrasion early warning control method and device and readable medium |
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| CN210856708U (en) * | 2019-11-13 | 2020-06-26 | 浙江好易点智能科技有限公司 | Overweight protection system of airing machine and airing machine |
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| KR20130035445A (en) * | 2011-09-30 | 2013-04-09 | 이경훈 | A rotating laundry hanger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678701A (en) * | 2020-12-21 | 2021-04-20 | 浙江富球智能科技有限公司 | Slow lifting and slow lowering method applied to airing machine or cabinet |
| CN113781754A (en) * | 2021-09-16 | 2021-12-10 | 广东好太太智能家居有限公司 | Clothes airing machine abnormity alarm method and system, electronic equipment and medium |
| CN114606734A (en) * | 2022-03-14 | 2022-06-10 | 广东晾的智能科技有限公司 | Intelligent electric clothes airing machine with overload protection function |
| CN114638424A (en) * | 2022-03-24 | 2022-06-17 | 九牧厨卫股份有限公司 | Clothes airing machine steel wire rope abrasion early warning control method and device and readable medium |
| CN114638424B (en) * | 2022-03-24 | 2024-05-03 | 九牧厨卫股份有限公司 | Method and device for controlling wear early warning of steel wire rope of clothes airing machine and readable medium |
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