CN-224212999-U - Airing rod lifting control device and airing machine

CN224212999UCN 224212999 UCN224212999 UCN 224212999UCN-224212999-U

Abstract

The application provides a lifting control device for a airing rod and a clothes airing machine, comprising a lifting module, a pressure detection module, a limiting module and a control module, wherein the lifting module comprises a driving mechanism electrically connected with the control module, the pressure detection module is electrically connected with the control module and is used for detecting the stress of the airing rod in the gravity direction and generating a pressure signal, the limiting module is electrically connected with the control module and is used for detecting that the limiting signal is generated when the airing rod is at the limit position of a lifting stroke, and the control module controls the driving mechanism to drive the airing rod to lift according to the pressure signal when receiving the limiting signal. When the airing rod is at the upper limit position and the lower limit position of the lifting stroke, the application can effectively distinguish the scenes that a user actively applies force to operate the airing rod and the airing rod is mechanically blocked, thereby executing the corresponding lifting operation of the airing rod and effectively improving the experience of the user.

Inventors

WANG MIAOYU
YI WEI
ZHOU LIANG
ZHAO ZHILI
ZHU JINGFENG

Assignees

广东好太太科技集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250427

Claims (10)

1. The lifting control device for the airing rod is characterized by comprising a lifting module, a pressure detection module, a limit module and a control module; the lifting module comprises a driving mechanism electrically connected with the control module; The pressure detection module is electrically connected with the control module and is used for detecting the stress of the airing rod in the gravity direction and generating a pressure signal; The limiting module is electrically connected with the control module and is used for detecting that a limiting signal is generated when the airing rod is at the limit position of the lifting stroke; And when the control module receives the limit signal, the control module controls the driving mechanism to drive the airing rod to lift according to the pressure signal.
2. The lifting control device for the airing rod according to claim 1, wherein the lifting module further comprises a pulley, a pulley central shaft, a pulley fixing frame and a pull rope, and the pressure detection module comprises a pressure bearing piece and a pressure sensor for converting a pressure signal of the pressure bearing piece into an electric signal; The pulley is characterized in that the stay cord is fixedly connected with the airing rod after being wound around the pulley, the driving mechanism is in transmission connection with the pulley to drive the airing rod to lift, the pulley central shaft is movably arranged in the pulley fixing frame along the gravity direction after passing through the pulley, one end of the pulley central shaft is abutted to the pressure-bearing piece, and the pressure sensor is fixedly connected with the pressure-bearing piece.
3. The lifting control device for the airing rod according to claim 2, wherein a vertical guide groove is formed in one side, close to the pressure-bearing piece, of the pulley fixing frame, and the pulley central shaft penetrates through the vertical guide groove to be abutted with the pressure-bearing piece.
4. The lifting control device for the airing rod according to claim 3, wherein the pressure-bearing piece comprises a base and a pressure conduction connecting rod, the base is provided with a pressure-bearing cavity with an upward opening, the pressure conduction connecting rod is movably and vertically inserted into the pressure-bearing cavity, one end of the pulley central shaft, which is abutted to the pressure-bearing piece, is fixedly connected with the pressure conduction connecting rod, and the pressure sensor is installed in the base.
5. A lifting control device for a drying rod according to any one of claims 2-4, wherein the pressure-bearing member is a closed liquid tank.
6. The lifting control device for the airing rod according to claim 2, wherein the control module comprises a first pressure comparator and a controller; The first pressure comparator is electrically connected with the pressure sensor and is used for receiving the pressure signal and comparing the pressure signal with a preset pressure threshold value to obtain a first comparison signal; The controller is electrically connected with the first pressure comparator and the driving mechanism respectively and is used for receiving and controlling the driving mechanism to drive the airing rod to lift according to the first comparison signal.
7. The lifting control device for the airing rod according to claim 6, wherein the control module further comprises a memory, a difference value arithmetic unit and a second pressure comparator; The memory is electrically connected with the pressure sensor and is used for storing a pressure signal at the last moment; The difference value arithmetic unit is respectively and electrically connected with the memory and the pressure sensor and is used for receiving the pressure signal at the current moment and the pressure signal at the previous moment and obtaining a pressure difference value based on difference value arithmetic; The second pressure comparator is respectively connected with the difference value arithmetic unit and the controller and is used for receiving the pressure difference value and comparing the pressure difference value with a pressure change threshold value to obtain a second comparison signal; the controller is used for receiving the second comparison signal and controlling the driving mechanism to drive the airing rod to lift.
8. The lifting control device for the airing rod according to claim 7, wherein the limiting module comprises an upper limit switch, a lower limit switch and a lifting control unit, wherein the upper limit switch is connected with the controller and is used for sending an upper limit signal when the airing rod is at the uppermost end of a lifting stroke; And the controller is used for controlling the driving mechanism to drive the airing rod to execute descending operation if receiving the second comparison signal that the pressure difference exceeds the pressure change threshold value when receiving the upper limit signal.
9. The lifting control device for the airing rod according to claim 8, wherein the limit module further comprises a lower limit switch, the lower limit switch is connected with the controller and used for sending out a lower limit signal when the airing rod is at the lowest end of the lifting travel; And the controller is also used for controlling the driving mechanism to drive the airing rod to perform ascending operation if a second comparison signal that the pressure difference value is lower than the pressure change threshold value is received when the lower limit signal is received.
10. A laundry machine comprising the lifting control device for a laundry pole according to any one of claims 1 to 9.

Description

Airing rod lifting control device and airing machine Technical Field The application relates to the field of clothes airing, in particular to a lifting control device for a clothes airing rod and a clothes airing machine. Background At present, an electric clothes airing machine mainly comprises a main machine part and a clothes airing part below the main machine part, wherein a power module is arranged in the main machine part, and a control module in the main machine part controls the power module to be connected to a clothes airing rod through a pull rope so as to realize lifting of the clothes airing part. The existing airing rod lifting control system based on weight detection carries out obstacle judgment through a single dependent pressure sensor, two situations that a user actively applies force to operate the airing rod and the airing rod machinery encounters resistance cannot be distinguished, and the problem that when the user actively applies force to operate the airing rod, the airing rod machinery is triggered to encounter resistance emergency braking by mistake, so that user experience is poor is solved. Disclosure of utility model Aiming at the problems in the prior art, the application provides a airing rod lifting control device and a airing machine, which are used for lifting control of an airing rod based on a pressure detection module and a limiting module, and can effectively distinguish two conditions of actively applying force to operate the airing rod and blocking the airing rod mechanically. The lifting control device of the airing rod comprises a lifting module, a pressure detection module, a limit module and a control module; the lifting module comprises a driving mechanism electrically connected with the control module; The pressure detection module is electrically connected with the control module and is used for detecting the stress of the airing rod in the gravity direction and generating a pressure signal; The limiting module is electrically connected with the control module and is used for detecting that a limiting signal is generated when the airing rod is at the limit position of the lifting stroke; And when the control module receives the limit signal, the control module controls the driving mechanism to drive the airing rod to lift according to the pressure signal. Further, when the limiting signal is received, the control module controls the driving mechanism to drive the airing rod to execute descending operation if a pressure signal exceeding a preset pressure change threshold value is received, and when the limiting signal is received, controls the driving mechanism to drive the airing rod to execute ascending operation if a pressure signal lower than the pressure change threshold value is received. The lifting module further comprises a pulley, a pulley central shaft, a pulley fixing frame and a pull rope, and the pressure detection module comprises a pressure bearing piece and a pressure sensor for converting a pressure signal of the pressure bearing piece into an electric signal; The pulley is characterized in that the stay cord is fixedly connected with the airing rod after being wound around the pulley, the driving mechanism is in transmission connection with the pulley to drive the airing rod to lift, the pulley central shaft is movably arranged in the pulley fixing frame along the gravity direction after passing through the pulley, one end of the pulley central shaft is abutted to the pressure-bearing piece, and the pressure sensor is fixedly connected with the pressure-bearing piece. Further, a vertical guide groove is formed in one side, close to the pressure-bearing piece, of the pulley fixing frame, and the pulley central shaft penetrates through the vertical guide groove to be in butt joint with the pressure-bearing piece. The pressure-bearing member comprises a base and a pressure-conducting connecting rod, wherein the base is provided with a pressure-bearing cavity with an upward opening, the pressure-conducting connecting rod is movably and vertically inserted into the pressure-bearing cavity, one end, abutting against the pressure-bearing member, of the pulley center shaft is fixedly connected with the pressure-conducting connecting rod, and the pressure sensor is arranged in the base. Further, the pressure bearing piece is a closed liquid tank. Further, the control module includes a first pressure comparator and a controller; The first pressure comparator is electrically connected with the pressure sensor and is used for receiving the pressure signal and comparing the pressure signal with a preset pressure threshold value to obtain a first comparison signal; The controller is electrically connected with the first pressure comparator and the driving mechanism respectively and is used for receiving and controlling the driving mechanism to drive the airing rod to lift according to the first comparison signal. Further, the control module also comprises