CN108842400B

CN108842400B - Intelligent drying towel rack

Info

Publication number: CN108842400B
Application number: CN201810967337.8A
Authority: CN
Inventors: 吴剑斌; 其他发明人请求不公开姓名
Original assignee: Jiangxi Avonflow Heating Ventilation Technology Co ltd
Current assignee: JIANGXI AVONFLOW HEATING VENTILATION TECHNOLOGY Co.,Ltd.
Priority date: 2018-08-23
Filing date: 2018-08-23
Publication date: 2020-10-09
Anticipated expiration: 2038-08-23
Also published as: CN108842400A

Abstract

The invention discloses an intelligent drying towel rack which comprises a shell; a fan is arranged in the shell; a heater is arranged in the shell; a strip-shaped air outlet a is formed in the shell; a plurality of valve plates are arranged in the shell in a sliding way; a strip-shaped air outlet b is formed on the valve plate; a plurality of hook assemblies connected with the valve plate are arranged in the shell; the hook component comprises a connecting part, a rotating sleeve and a hook; a second magnet and a first magnet are arranged in the hook mounting part; the hook component slides between the first magnet and the second magnet; a pressure plate is connected above the rotating sleeve; the hook mounting part is provided with a pressure sensor; the hook component also comprises a memory alloy spring; the outer wall of the connecting part is provided with a memory alloy coil spring; the wet towel at the corresponding position can be dried by pulling the hook; by controlling the temperature, the memory alloy coil spring is heated to the phase change temperature, so that the wet towel can intermittently rotate or the memory alloy spring is heated to the phase change temperature, and the hook assembly is restored to the initial state.

Description

Intelligent drying towel rack

Technical Field

The invention belongs to the technical field of articles for daily use, and particularly relates to an intelligent drying towel rack.

Background

Chinese patent document No. CN206131144U discloses a towel rack radiator, which includes a first pipeline formed by sequentially connecting a plurality of bent pipes and having a plurality of turns, and a second pipeline and a third pipeline connected to the first pipeline, wherein the second pipeline is connected or provided with a water inlet, the third pipeline is connected or provided with a water outlet, and a unique passage is provided from the water inlet to the water outlet. The towel rack radiator of the utility model can convert heat energy more fully, realize the whole-process circulating heat exchange of the heating medium and achieve the energy-saving effect; and articles such as towels, clothes and the like needing drying can be hung conveniently, so that the articles are directly contacted with the heat exchange surface of the radiator, the drying effect is improved, and the sterilization and disinfection effects can be realized.

When a single towel is dried, all pipelines work simultaneously, and when the idle pipelines work, electric energy is wasted, so that unnecessary loss is caused; and for the mode of only heating for drying, the drying speed is slow, the time is overlong, and the mode of drying without wind power is quick.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the intelligent towel drying rack for drying the specified towel by utilizing flowing hot air flow is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an intelligent drying towel rack comprises a shell; the casing is including air-out portion and the couple installation department that is located air-out portion upper end front side.

And a fan which guides air outside the shell into the air outlet part is arranged in the shell.

And a heater is arranged in the air outlet part.

A plurality of strip-shaped air outlet groups are formed at the front end of the air outlet part and are transversely arranged; the bar air outlet includes a plurality of bar air outlet a that set up along vertical direction equidistance.

A valve plate is slidably mounted in the air outlet part corresponding to the position of each strip-shaped air outlet group; the valve plate is equidistantly formed with a bar-shaped air outlet b communicated with the bar-shaped air outlet a.

The hook component is arranged in the hook installation part corresponding to the positions of the strip-shaped air outlets and connected with the valve plate.

The hook assembly comprises a connecting part which is slidably arranged in the hook mounting part, and a rotating sleeve which is rotatably connected to the upper end of the connecting part; and the hook is fixedly connected to the lower end of the rotating sleeve, and the lower part of the rotating sleeve is located below the hook mounting part.

The lower part of the connecting part is fixedly connected with a lower magnetizer; the bottom portion is installed in the couple installation department can with the second magnet of magnetizer looks mutual holding down.

The upper part of the connecting part is fixedly connected with an upper magnetizer; a first magnet is fixedly connected above the upper magnetizer in the hook mounting part; the first magnet can be tightly attracted with the upper magnetizer.

The hook assembly slides between the first magnet and the second magnet.

And a pressure plate is rotationally connected above the first magnet above the rotating sleeve.

A pressure sensor is arranged in the hook mounting part and positioned below the pressure plate; when the second magnet and the lower magnetizer are mutually attracted tightly, the pressure plate is abutted to the upper end of the pressure sensor.

And a spring positioning disc is formed in the middle of the outer wall of the connecting part.

The hook assembly further comprises a memory alloy spring, the lower end of the memory alloy spring is connected with the inner bottom of the hook mounting portion, and the upper end of the memory alloy spring is connected with the spring positioning disc.

When the connecting part and the second magnet are at the limit positions close to each other and the temperature in the hook mounting part is lower than the phase change temperature of the memory alloy spring, the memory alloy spring is in a compressed state.

When connecting portion and second magnet are in the extreme position that is close mutually, just when the temperature in the couple installation department is higher than the phase transition temperature of memory alloy spring, the memory alloy spring extension, drive couple rebound for it is tightly inhaled each other with first magnet to go up the magnetizer.

The outer wall of the connecting part is positioned below the rotating sleeve and is sleeved with a coil spring positioning sleeve in a sliding manner; the coil spring positioning sleeve is rotatably connected with the rotating sleeve.

The upper end of the coil spring positioning sleeve is provided with a memory alloy coil spring; the phase transition temperature of the memory alloy coil spring is lower than that of the memory alloy spring; one end of the memory alloy coil spring is fixedly connected with the coil spring positioning sleeve, and the other end of the memory alloy coil spring is fixedly connected with the rotating sleeve.

When the temperature in the hook mounting part is higher than the phase change temperature of the memory alloy coil spring, the memory alloy coil spring extends to drive the rotating sleeve to rotate.

And a controller is arranged in the shell, and the fan, the heater and each pressure sensor are electrically connected with the controller respectively.

As an optimization scheme: when the fan and the heater work simultaneously, the temperature in the hook mounting part is lower than the phase change temperature of the memory alloy coil spring.

The heater works alone for a set time a, and when the fan does not work, the temperature in the hook installation part is higher than the phase change temperature of the memory alloy spring.

The heater works independently for a set time b, and when the fan does not work, the temperature in the hook mounting part is higher than the phase change temperature of the memory alloy coil spring.

The set time a is greater than the set time b.

As an optimization scheme: the upper magnetizer and the lower magnetizer are iron blocks or permanent magnets.

As an optimization scheme: the middle part in the height direction in the hook mounting part is fixedly connected with a magnet mounting plate; a plurality of magnet mounting seats are formed on the magnet mounting plate; each first magnet is fixedly connected in the magnet mounting seat.

The pressure sensor is arranged at the upper end of the magnet mounting plate and is positioned outside the magnet mounting seat; the upper end of the pressure sensor is higher than the upper end of the magnet mounting seat.

A hook sliding pipe is formed at the bottom of the hook mounting part and is positioned right below the magnet mounting seat; the second magnet is fixedly connected to the inner bottom of the hook sliding pipe, and the hook penetrates through the annular second magnet and the hook sliding pipe; the connecting part is connected in the hook sliding pipe in a sliding mode.

As an optimization scheme: the valve plate is L-shaped; the valve plate comprises a vertical valve plate and a transverse valve plate, wherein the vertical valve plate is vertically arranged, and the transverse valve plate is vertically arranged with the vertical valve plate; the strip-shaped air outlet b is arranged on the vertical valve plate; the transverse valve plate is fixedly connected to the upper end of the spring positioning plate.

As an optimization scheme: the fan is a cross-flow fan; the fan is positioned right above the air outlet part; the fan comprises a fan shell and an impeller which is rotatably connected in the fan shell; the middle part of the inner wall of the hook mounting part in the height direction is provided with a mounting plate connecting wall; the lower end of the fan shell is connected to the upper end of the mounting plate connecting wall.

One side of the fan shell is fixedly connected with a motor; and an output shaft of the motor is fixedly connected with the impeller.

The lower end of the fan shell is a fan air outlet communicated with the air outlet part; an upper air inlet communicated with an air inlet of the fan shell is formed in the front of the upper end of the hook mounting portion.

As an optimization scheme: sliding rails are symmetrically formed on the inner wall of the air outlet part at two sides of the strip-shaped air outlet group; the valve plate is connected between the two sliding rails in a sliding mode.

As an optimization scheme: the lower end of the hook is provided with a plurality of hook bodies which are arranged in a circumferential array.

Compared with the prior art, the invention has the beneficial effects that: under initial condition, first magnet and last magnetizer are inhaled tightly each other, and the couple subassembly is located top extreme position, and bar air outlet a staggers each other with bar air outlet b, and the air current can't be flowed by bar air outlet a.

When a user hangs the wet towel on one hook, the hook is pulled downwards along the way, the first magnet is separated from the upper magnetizer, the memory alloy spring is compressed, and the connecting part moves downwards to enable the lower magnetizer and the second magnet to be mutually attracted tightly; meanwhile, the valve plate moves downwards to the limit position, the strip-shaped air outlet a is opposite to the strip-shaped air outlet b, the pressure plate moves downwards, the lower end of the pressure plate is pressed at the upper end of the pressure sensor, the controller receives signals transmitted by the pressure sensor, and the controller controls the fan and the heater to work.

The controller controls the motor to stop rotating every other time (15-20 s), so that the heater works independently for a set time b, the memory alloy coil spring is heated and increased, the elasticity of the memory alloy coil spring is greater than the resistance between the positioning teeth and the resistance block, the rotating sleeve drives the hook to rotate, and after the fan works, the temperature of the memory alloy coil spring is reduced, so that the rotating sleeve rotates reversely to the initial position; finally, the hook drives the wet towel to intermittently rotate.

Meanwhile, the pressure sensor transmits the current pressure value to the controller, and the pressure value transmitted to the controller by the pressure sensor is gradually reduced along with the gradual evaporation of the moisture in the wet towel.

The wet towel is dried, and the weight is not changed any more.

When the controller detects that the pressure value transmitted by the pressure sensor is the same value for two consecutive times, the drying of the wet towel is finished by default (or the change range of the pressure value is lower than a set value, for example, if the difference between the pressure values measured for two adjacent times is less than 1g, the towel is judged to be dried), the controller controls the motor to stop working, and the heater continues to work for a set time a.

When the memory alloy spring rebounds the connecting part to the initial position, the pressure value borne by the pressure sensor is zero, the pressure sensor transmits a signal to the controller, and the controller controls the heater to stop working.

When a plurality of wet towels are continuously hung on the hook and the hook is pulled, when the controller receives a first signal, the controller controls the motor and the heater to work; after the wet towels are dried, when the controller receives the last continuous same pressure value, the controller controls the motor to stop working, the connecting parts rebound together, and each wet towel is dried completely.

The controller controls the fan to work, and the fan pumps outside air into the hook mounting part from the upper air inlet and flows into the air outlet part from the air outlet of the fan.

The user hangs wet towel on the couple to pulling the couple downwards, the second magnet is inhaled tightly with lower magnetizer, and the bar air outlet a that is just right with this couple is just right with bar air outlet b, and other valve plates are motionless, only dry corresponding wet towel, have reduced the waste of electric energy.

The heater can heat airflow generated by the fan to accelerate drying of the wet towel, and can heat the memory alloy coil spring to the phase change temperature when the heater works alone, so that the wet towel can intermittently rotate, all directions of the wet towel can be dried, and the drying speed is accelerated; or the memory alloy spring is heated to the phase transition temperature, so that the hook component is restored to the initial state.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 and 5 are schematic structural diagrams of a front case of the present invention.

Fig. 6 is a schematic view of the structure of the present invention when not in operation.

Fig. 7 is a schematic view of the structure of the present invention in operation.

Fig. 8 is an exploded view of the hook assembly of the present invention.

Fig. 9 is a schematic structural view of the rotating sleeve of the present invention.

Fig. 10 is a schematic view of the construction of the positioning sleeve for a coil spring of the present invention.

FIG. 11 is a schematic view of a fan according to the present invention.

Fig. 12 is a schematic structural view of a housing in embodiment 2 of the present invention.

A shell; 11. a hook mounting part; 12. an air outlet part; 1a, a front shell; 1b, a rear shell; 111. a first magnet; 112. a magnet mounting plate; 1121. a magnet mounting base; 1122. a pressure sensor; 113. a mounting plate connecting wall; 114. a hook sliding tube; 115. a second magnet; 116. an upper inlet; 121. a strip-shaped air outlet a; 122. a slide rail; 123. a valve plate; 1231. a strip-shaped air outlet b; 124. a heater; 13. an ultraviolet lamp; 14. a reflector; 2. a fan; 21. a fan housing; 22. an impeller; 23. an air outlet of the fan; 24. a motor; A. a hook assembly; 3. rotating the sleeve; 30. hooking; 31. positioning teeth; 4. a connecting portion; 40. a coil spring positioning sleeve; 401. clamping a head; 402. a resistance block; 41. a spring positioning plate; 42. an upper magnetizer; 43. a lower magnetizer; 51. a memory alloy coil spring; 52. a memory alloy spring; 6. a pressure plate; 61. a pressure plate attachment portion.

Detailed Description

Example 1

Referring to fig. 1 to 9, the intelligent drying towel rack of the present embodiment includes a housing 1; the casing is including air-out portion 12 and the couple installation department 11 that is located air-out portion upper end front side.

A fan 2 for guiding air outside the shell into the air outlet part is arranged in the shell.

A heater 124 is arranged in the air outlet part; the heater is a PTC heater.

A plurality of strip-shaped air outlet groups are formed at the front end of the air outlet part and are transversely arranged; the bar air outlet includes a plurality of bar air outlets a 121 that set up along vertical direction equidistance.

A valve plate 123 is slidably mounted in the air outlet part corresponding to each strip-shaped air outlet group; the valve plate is equidistantly provided with strip-shaped air outlets b1231 which can be communicated with the strip-shaped air outlets a; when the valve plate moves to the upper limit position, the strip-shaped air outlet a and the strip-shaped air outlet b are staggered with each other; when the valve plate moves to the lower limit position, the strip-shaped air outlet a is opposite to the strip-shaped air outlet b.

And a hook component A connected with the valve plate is installed at the position corresponding to each strip-shaped air outlet group in the hook installation part.

The hook assembly comprises a connecting part 4 which is slidably arranged in the hook mounting part and a rotating sleeve 3 which is rotatably connected to the upper end of the connecting part; and a hook 30 fixedly connected to the lower end of the rotating sleeve and having a lower portion located below the hook mounting portion.

The lower part of the connecting part is fixedly connected with a lower magnetizer 43; the bottom in the couple installation department is installed can with the second magnet 115 that the magnetizer was tightly inhaled each other down.

The upper part of the connecting part is fixedly connected with an upper magnetizer 42; a first magnet 111 is fixedly connected above the upper magnetizer in the hook mounting part; the first magnet can be tightly attracted with the upper magnetizer.

The hook assembly slides between the first magnet and the second magnet.

A pressure plate 6 is rotationally connected above the first magnet above the rotating sleeve; and a pressure plate connecting part 61 rotationally clamped with the rotating sleeve is formed at the lower end of the pressure plate.

A pressure sensor 1122 is installed in the hook installation part and below the pressure plate; when the second magnet and the lower magnetizer are mutually attracted tightly, the pressure plate is abutted to the upper end of the pressure sensor.

And a spring positioning disc 41 is formed in the middle of the outer wall of the connecting part.

The hook component also comprises a memory alloy spring 52, the lower end of which is connected with the inner bottom of the hook mounting part, and the upper end of which is connected with the spring positioning disc; the memory alloy spring is conical.

The outer wall of the connecting part is positioned below the rotating sleeve and is sleeved with a coil spring positioning sleeve 40 in a sliding manner; the coil spring positioning sleeve is rotationally connected with the rotating sleeve; a chuck 401 rotationally clamped with the rotating sleeve is formed at the upper end of the coil spring positioning sleeve; the coil spring positioning sleeve is in clearance fit with the outer wall of the connecting part, and the coil spring positioning sleeve cannot rotate while sliding up and down.

The upper end of the coil spring positioning sleeve is provided with a memory alloy coil spring 51; the memory alloy coil spring is made of memory alloy with a two-way memory effect; the high-temperature phase transition temperature of the memory alloy coil spring is lower than the phase transition temperature of the memory alloy spring; the low-temperature phase transition temperature of the memory alloy coil spring is higher than the temperature in the hook mounting part when the fan works normally; one end of the memory alloy coil spring is fixedly connected with the coil spring positioning sleeve, and the other end of the memory alloy coil spring is fixedly connected with the rotating sleeve.

When the temperature in the hook mounting part is higher than the high-temperature phase transition temperature of the memory alloy coil spring, the memory alloy coil spring extends to drive the rotating sleeve to rotate.

A plurality of through holes are formed on the rotating sleeve; so that the temperature in the hook mounting part can be more quickly transferred to the memory alloy coil spring in the rotating sleeve.

The lower end of the rotating sleeve is coaxially formed with a positioning tooth 31; a resistance block 402 which blocks the rotation of the positioning teeth is fixedly connected to the upper end of the coil spring positioning sleeve; the resistance block is made of elastic materials.

Through the cooperation between location tooth and the resistance piece, make the rotation cover rotate the in-process, can not too fast rotation.

When the fan and the heater work simultaneously, the temperature in the hook mounting part is lower than the phase change temperature of the memory alloy coil spring.

The set time a is greater than the set time b.

Under initial condition, first magnet and last magnetizer are inhaled tightly each other, and the couple subassembly is located top extreme position, and bar air outlet a staggers each other with bar air outlet b, and the air current can't be flowed by bar air outlet a.

The wet towel is dried, and the weight is not changed any more.

The upper magnetizer and the lower magnetizer are iron blocks or permanent magnets.

A magnet mounting plate 112 is fixedly connected to the middle part of the hook mounting part in the height direction; a plurality of magnet mounting seats 1121 are formed on the magnet mounting plate; each first magnet is fixedly connected in the magnet mounting seat.

The pressure sensor is arranged at the upper end of the magnet mounting plate and is positioned outside the magnet mounting seat; the upper end of the pressure sensor is higher than the upper end of the magnet mounting seat; a mounting plate connecting wall 113 is formed in the middle of the inner wall of the hook mounting part in the height direction; the magnet mounting plate is fixedly connected to the upper end of the mounting plate connecting wall.

A hook sliding tube 114 is formed at the bottom of the hook mounting part and is positioned right below the magnet mounting seat; the second magnet is fixedly connected to the inner bottom of the hook sliding pipe, and the hook penetrates through the annular second magnet and the hook sliding pipe; the connecting part is connected in the hook sliding pipe in a sliding mode.

The valve plate is L-shaped; the valve plate comprises a vertical valve plate and a transverse valve plate, wherein the vertical valve plate is vertically arranged, and the transverse valve plate is vertically arranged with the vertical valve plate; the strip-shaped air outlet b is arranged on the vertical valve plate; the transverse valve plate is fixedly connected to the upper end of the spring positioning plate.

The fan is a cross-flow fan; the fan is positioned right above the air outlet part; the fan comprises a fan shell 21 and an impeller 22 which is rotatably connected in the fan shell; the lower end of the fan shell is connected to the upper end of the mounting plate connecting wall.

A motor 24 is fixedly connected to one side of the fan shell; and an output shaft of the motor is fixedly connected with the impeller.

The lower end of the fan shell is provided with a fan air outlet 23 communicated with the air outlet part; an upper air inlet 116 communicated with an air inlet of the fan shell is formed in the front part of the upper end of the hook mounting part.

Slide rails 122 are symmetrically formed on the inner wall of the air outlet part at two sides of the strip-shaped air outlet group; the valve plate is connected between the two sliding rails in a sliding mode.

The lower end of the hook is provided with a plurality of hook bodies which are arranged in a circumferential array.

Each hook body can hang a towel, so that the hook can hang a plurality of towels at the same time; or one towel is hung on the two adjacent hook bodies, so that the hook bodies can open the towel, the contact area between the towel and the outside is increased, and the drying speed can be increased.

The shell structurally comprises a front shell 1a and a rear shell 1b which are connected through screws when being manufactured; the front shell and the rear shell are both L-shaped.

The front shell comprises a front vertical shell and a front transverse shell, wherein the front vertical shell is vertically arranged, and the front transverse shell is vertically arranged with the front vertical shell; the strip-shaped air outlet group is arranged at the front end of the front vertical shell; the hook sliding pipe is arranged at the bottom of the front transverse shell.

The rear shell comprises a rear vertical shell which is vertically arranged and a rear transverse shell which is vertically arranged with the front vertical shell; the heater is fixedly connected to the front end of the rear vertical shell; the upper air inlet is arranged at the front part of the upper end of the rear horizontal shell.

Example 2

As shown in fig. 12, the present embodiment is modified from embodiment 1 in the following manner: the lower end of the hook mounting part is positioned outside each hook sliding tube and is provided with an ultraviolet lamp 13; the ultraviolet lamp is electrically connected with the controller.

And a reflector 14 extending forwards and upwards is formed at the lower end of the air outlet part.

When the wet towel is hung on the hook, the controller controls the corresponding ultraviolet lamp to work to sterilize the wet towel; during the rotation process of the wet towel, the ultraviolet lamp can perform comprehensive sterilization treatment on the outer side of the wet towel.

Part of ultraviolet light is reflected by the reflecting plate and irradiates into the inner side of the wet towel from the lower end of the wet towel to sterilize the inner side of the wet towel.

Example 3

The present embodiment is different from the previous embodiments in that: the power of the heater may be changed by the control of a controller.

The set time for the heater to work independently is the same.

And in the set time, the power of the heater is the power a when the temperature in the hook mounting part is heated to be higher than the phase transition temperature of the memory alloy spring.

And in the set time, the power of the heater is b when the temperature in the hook mounting part is heated to be higher than the phase transition temperature of the memory alloy coil spring.

The power a is greater than the power b.

In the process of drying the wet towel, the power of the heater can be controlled, so that the wet towel rotates, or the connecting part is rebounded to the initial position.

Claims

1. An intelligent drying towel rack comprises a shell; the method is characterized in that: the shell comprises an air outlet part and a hook mounting part positioned on the front side of the upper end of the air outlet part;

a fan which guides air outside the shell into the air outlet part is arranged in the shell;

a heater is arranged in the air outlet part;

a plurality of strip-shaped air outlet groups are formed at the front end of the air outlet part and are transversely arranged; the strip-shaped air outlets comprise a plurality of strip-shaped air outlets a which are arranged at equal intervals along the vertical direction;

a valve plate is slidably mounted in the air outlet part corresponding to the position of each strip-shaped air outlet group; the valve plate is equidistantly provided with strip-shaped air outlets b which can be communicated with the strip-shaped air outlets a;

a hook assembly connected with the valve plate is arranged in the hook mounting part corresponding to the position of each strip-shaped air outlet group;

the hook assembly comprises a connecting part which is slidably arranged in the hook mounting part, and a rotating sleeve which is rotatably connected to the upper end of the connecting part; the hook is fixedly connected to the lower end of the rotating sleeve, and the lower part of the hook is positioned below the hook mounting part;

the lower part of the connecting part is fixedly connected with a lower magnetizer; a second magnet which can be tightly attracted with the lower magnetizer is arranged at the bottom in the hook mounting part;

the upper part of the connecting part is fixedly connected with an upper magnetizer; a first magnet is fixedly connected above the upper magnetizer in the hook mounting part; the first magnet can be tightly attracted with the upper magnetizer;

the hook assembly slides between the first magnet and the second magnet;

a pressure plate is rotationally connected above the first magnet above the rotating sleeve;

a pressure sensor is arranged in the hook mounting part and positioned below the pressure plate; when the second magnet and the lower magnetizer are mutually attracted, the pressure plate is abutted against the upper end of the pressure sensor;

a spring positioning disc is formed in the middle of the outer wall of the connecting part;

the hook assembly also comprises a memory alloy spring, the lower end of the memory alloy spring is connected with the inner bottom of the hook mounting part, and the upper end of the memory alloy spring is connected with the spring positioning disc;

when the connecting part and the second magnet are in the close limit position and the temperature in the hook mounting part is lower than the phase change temperature of the memory alloy spring, the memory alloy spring is in a compressed state;

when the connecting part and the second magnet are at the close extreme positions and the temperature in the hook mounting part is higher than the phase change temperature of the memory alloy spring, the memory alloy spring extends to drive the hook to move upwards, so that the upper magnetizer and the first magnet are tightly attracted;

the outer wall of the connecting part is positioned below the rotating sleeve and is sleeved with a coil spring positioning sleeve in a sliding manner; the coil spring positioning sleeve is rotationally connected with the rotating sleeve;

the upper end of the coil spring positioning sleeve is provided with a memory alloy coil spring; the phase transition temperature of the memory alloy coil spring is lower than that of the memory alloy spring; one end of the memory alloy coil spring is fixedly connected with the coil spring positioning sleeve, and the other end of the memory alloy coil spring is fixedly connected with the rotating sleeve;

when the temperature in the hook mounting part is higher than the phase transition temperature of the memory alloy coil spring, the memory alloy coil spring extends to drive the rotating sleeve to rotate;

2. The intelligent drying towel rack of claim 1, wherein: when the fan and the heater work simultaneously, the temperature in the hook mounting part is lower than the phase change temperature of the memory alloy coil spring;

the heater works independently for a set time a, and when the fan does not work, the temperature in the hook mounting part is higher than the phase change temperature of the memory alloy spring;

the heater works independently for a set time b, and when the fan does not work, the temperature in the hook mounting part is higher than the phase change temperature of the memory alloy coil spring;

the set time a is greater than the set time b.

3. The intelligent drying towel rack of claim 1, wherein: the upper magnetizer and the lower magnetizer are iron blocks or permanent magnets.

4. The intelligent drying towel rack of claim 1, wherein: the middle part in the height direction in the hook mounting part is fixedly connected with a magnet mounting plate; a plurality of magnet mounting seats are formed on the magnet mounting plate; each first magnet is fixedly connected in the magnet mounting seat;

the pressure sensor is arranged at the upper end of the magnet mounting plate and is positioned outside the magnet mounting seat; the upper end of the pressure sensor is higher than the upper end of the magnet mounting seat;

5. The intelligent drying towel rack of claim 1, wherein: the valve plate is L-shaped; the valve plate comprises a vertical valve plate and a transverse valve plate, wherein the vertical valve plate is vertically arranged, and the transverse valve plate is vertically arranged with the vertical valve plate; the strip-shaped air outlet b is arranged on the vertical valve plate; the transverse valve plate is fixedly connected to the upper end of the spring positioning plate.

6. The intelligent drying towel rack of claim 1, wherein: the fan is a cross-flow fan; the fan is positioned right above the air outlet part; the fan comprises a fan shell and an impeller which is rotatably connected in the fan shell; the middle part of the inner wall of the hook mounting part in the height direction is provided with a mounting plate connecting wall; the lower end of the fan shell is connected to the upper end of the connecting wall of the mounting plate;

one side of the fan shell is fixedly connected with a motor; an output shaft of the motor is fixedly connected with the impeller;

7. The intelligent drying towel rack of claim 1, wherein: sliding rails are symmetrically formed on the inner wall of the air outlet part at two sides of the strip-shaped air outlet group; the valve plate is connected between the two sliding rails in a sliding mode.

8. The intelligent drying towel rack of claim 1, wherein: the lower end of the hook is provided with a plurality of hook bodies which are arranged in a circumferential array.