A portable clothes dryer

Abstract

The utility model relates to domestic appliance technical field especially, it is a kind of portable clothes dryer, its technical scheme main point includes: shell cylinder, inside has airflow passageway, and the both ends of shell cylinder are respectively provided with the air inlet and the air outlet being linked with the airflow passageway;Fan element, is located in the airflow passageway in the shell cylinder, for driving airflow to be inhaled from the air inlet to airflow passageway and blow from air outlet;Heating element, is located in the airflow passageway in the shell cylinder, for heating airflow;And drying bag, for placing to be dried object, the drying bag is connected with the shell cylinder and drying bag inside is linked with the air outlet, the drying bag is expandable setting outside the shell cylinder, the present application has solved the problem that portable clothes dryer air volume is low and volume is small in prior art.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to a portable clothes dryer. Background Technology

[0002] As a highly efficient and convenient household appliance, dryers are widely used in modern family life. Their function is to quickly remove moisture from washed clothes by heating air and circulating it inside the drum, eliminating the space and time limitations required for natural drying and overcoming the effects of adverse weather conditions such as rain and fog.

[0003] Portable dryers on the market generally use fans and ceramic heating elements to generate hot air, but they generally suffer from problems such as low air volume and small capacity, making it difficult to dry clothes or requiring a long time to dry them.

[0004] Therefore, improvements to existing technologies are necessary.

[0005] The above information is provided as background information only to aid in understanding this disclosure and does not constitute an assertion or admission that any of the above content can be used as prior art relative to this disclosure. Utility Model Content

[0006] This invention provides a portable clothes dryer to solve the problems of low air volume and small volume in existing portable clothes dryers.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A portable clothes dryer includes:

[0009] The shell has an internal airflow channel, and both ends of the shell are respectively provided with an air inlet and an air outlet that are connected to the airflow channel;

[0010] A fan element is disposed in the shell and located in the airflow channel, used to drive airflow from the air inlet into the airflow channel and blow it out from the air outlet;

[0011] A heating element is disposed in the shell and located within the airflow channel, and is used to heat the airflow;

[0012] The drying bag is used to hold the items to be dried. The drying bag is connected to the shell and the inside of the drying bag is connected to the air outlet. The drying bag can be unfolded outside the shell.

[0013] Preferably, the shell has a storage cavity inside, the drying bag is detachably connected to the shell, and the storage cavity is used to store the drying bag in the detached state.

[0014] Preferably, it also includes a cover plate, the receiving cavity being adjacent to the air outlet, the cover plate being detachably disposed on the shell and used to block the air outlet.

[0015] Preferably, it further includes a hook, which is rotatably disposed on the shell and rotates through the air outlet to the inside or outside of the shell.

[0016] Preferably, it also includes an extension hanger, which is detachably connected to the hook.

[0017] Preferably, the shell is provided with a flow divider, which is located in the middle of the airflow channel and forms an annular air duct between itself and the inner wall of the shell. The heating element is located in the annular air duct and is evenly distributed along the circumferential direction of the annular air duct. The flow divider has a conical flow divider surface on the side facing the fan element. The conical flow divider surface is used to guide the airflow from multiple directions in the circumferential direction into the annular air duct.

[0018] Preferably, the fan component is a DC brushless fan.

[0019] Preferably, it further includes a control system, and the heating element includes:

[0020] The heating wire is connected to the control system.

[0021] The system also includes a thermistor connected to the control system for detecting the temperature of the heating wire. When the temperature is lower than a preset threshold, the thermistor sends a temperature signal to the control system, which then stops the heating action of the heating wire based on the temperature signal.

[0022] Preferably, it also includes a temperature control switch, which is connected to both the control system and the heating wire. When the temperature exceeds a preset value, the temperature control switch is disconnected.

[0023] Preferably, it also includes a temperature fuse connected in series with the heating wire and the temperature control switch, which automatically melts at high temperature when the temperature exceeds a preset value.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The portable clothes dryer provided by this utility model has a fan element located inside the shell that can generate an air pressure difference, causing airflow to be drawn into the airflow channel from the air inlet and blown out from the air outlet. During this process, since the air inlet and the air outlet are located at opposite ends of the airflow channel, the airflow can flow smoothly under the guidance of the airflow channel, thereby increasing the airflow velocity and increasing the air intake volume. Furthermore, since the inside of the drying bag is connected to the air outlet, the hot airflow passing through the heating element can directly enter the drying bag and dry the clothes, thus improving the drying efficiency. At the same time, the drying bag, which is in an unfolded state outside the shell, can make full use of the external space, thereby increasing the volume of the drying bag. Therefore, the problems of low air volume and small volume of portable clothes dryers are solved.

[0026] This invention has other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and the following detailed description, which together serve to explain the particular principles of this invention. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the portable clothes dryer provided in this embodiment of the utility model;

[0029] Figure 2 This is a cross-sectional view of the storage bag in the stored state of the portable clothes dryer provided in this embodiment of the utility model;

[0030] Figure 3 This is a cross-sectional view of the storage bag in the portable clothes dryer provided in this embodiment of the utility model in the unfolded state;

[0031] Figure 4 This is a schematic diagram of the assembly relationship between the shell and the cover plate provided in an embodiment of this utility model;

[0032] Figure 5 This is a structural block diagram of the heating element, control system, temperature control switch, and temperature control fuse provided in the embodiments of this utility model.

[0033] Figure label:

[0034] 100. Airflow channel; 200. Air inlet; 300. Air outlet; 400. Storage chamber; 500. Exhaust vent;

[0035] 1. Shell / tube;

[0036] 2. Fan components;

[0037] 3. Heating element; 31. Heating wire; 32. Thermistor;

[0038] 4. Drying bags;

[0039] 5. Cover plate;

[0040] 6. Hooks;

[0041] 7. Extended clothes hanger;

[0042] 8. Flow divider; 81. Conical flow divider surface;

[0043] 9. Control system; 91. Control panel; 92. Circuit board; 93. Circuit module; 94. Main control chip;

[0044] 10. Temperature control switch; 11. Temperature fuse; 12. Handle. Detailed Implementation

[0045] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0046] In the description of this utility model, it should be understood that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component that is centrally positioned therein. When a component is considered to be "set" on another component, it can be directly set on the other component or there may be a component that is centrally positioned therein.

[0047] Furthermore, terms such as "long," "short," "inner," and "outer" indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not indicate or imply that the device or component referred to must have this specific orientation or operate in a specific orientational configuration. Therefore, they should not be construed as limitations of this utility model.

[0048] The following is in conjunction with the appendix Figure 1-5The technical solution of this utility model will be further illustrated through specific implementation methods.

[0049] Please refer to Figure 1 and Figure 2 This utility model provides a portable clothes dryer, including a shell 1, a fan element 2, a heating element 3, and a drying bag 4.

[0050] The shell 1 has an airflow channel 100 inside, and the two ends of the shell 1 are respectively provided with an air inlet 200 and an air outlet 300 connected to the airflow channel 100; the fan element 2 is provided in the shell 1 and located in the airflow channel 100, and is used to drive the airflow to be drawn in from the air inlet 200 into the airflow channel 100 and blown out from the air outlet 300; the heating element 3 is provided in the shell 1 and located in the airflow channel 100, and is used to heat the airflow; the drying bag 4 is used to place the object to be dried, the drying bag 4 is connected to the shell 1 and the inside of the drying bag 4 is connected to the air outlet 300, and the drying bag 4 can be unfolded outside the shell 1.

[0051] Specifically, in some embodiments, the shell 1 is a long straight cylindrical structure with a hollow interior and open at both ends. In this case, an airflow channel 100 is formed inside the hollow shell 1, and the airflow channel 100 extends along the length of the shell 1 to form a straight channel shape. Correspondingly, an air inlet 200 and an air outlet 300 are formed at both ends of the shell 1, respectively.

[0052] At this time, when the fan element 2 located inside the shell 1 starts, it can form an air pressure difference in the airflow channel 100, thereby causing the air outside the shell 1 to enter the airflow channel 100 through the air inlet 200 and flow along the length of the airflow channel 100, and finally flow out from the air outlet 300, thus realizing the airflow circulation. During this process, since the airflow channel 100 is a straight channel structure, the airflow is not prone to large-angle deflection during the flow. Under the guidance of the airflow channel 100, the airflow can flow out from the air outlet 300 quickly and in a concentrated manner, thus improving the smoothness of the airflow. As the airflow velocity increases, the intake air volume can be increased simultaneously.

[0053] For ease of understanding, a reference axis O is selected here with the center line of the shell 1. The extension direction of the reference axis O is the same as the direction of the airflow path. In addition, the rotation direction of the reference axis O is defined as the circumferential direction.

[0054] At this time, the heating element 3 is located in the downstream area of ​​the airflow path of the fan element 2. By controlling the start of the heating element 3, heat can be dissipated into the airflow channel 100 to form hot air, which can improve the drying rate of the items to be dried.

[0055] Furthermore, referring to Figure 2 and Figure 3 In some embodiments, the drying bag 4 may have a soft bag structure with vent holes 500 and folding ( Figure 2 ) and expand ( Figure 3 There are two states. When the drying bag 4 is folded, it is easy to store and carry, making it more convenient to use. When the drying bag is unfolded, it can obtain a larger volume. For example, the unfolded volume of the drying bag 4 can be larger than the volume of the equipment itself. Furthermore, a larger drying bag 4 can be replaced according to actual needs, making the settings flexible.

[0056] When the drying bag 4 is unfolded, it can be installed on the shell 1. At this time, the drying bag 4 is provided with a filling port (not shown in the figure). The dryer is put into the drying bag 4 through the filling port, and the filling port is connected to the air outlet 300. At this time, the heated airflow passes through the air outlet and the filling port in sequence and finally enters the drying bag 4, thereby drying the moisture of the dryer. The moisture overflows from the exhaust hole 500 of the drying bag 4, thus realizing the drying function. It is convenient and efficient to use.

[0057] It is understood that the items to be dried mentioned above include, but are not limited to, clothing. In actual use, the items to be dried may also be bedding, car textiles, or other items that need to be dried. There is no restriction on the specific category of the items to be dried.

[0058] In addition, for easy carrying, a handle 12 can be provided at one end of the shell 1 so that users can carry the dryer by hand.

[0059] Based on the above configuration, on the one hand, by setting the shell cylinder 1 structure, the airflow can be guided by the airflow channel 100, so that the airflow can flow smoothly and thus improve the flow rate; on the other hand, by setting an expandable drying bag 4 outside the shell cylinder 1, the external space can be fully utilized to expand the volume space of the items to be dried, thus solving the problems of low air volume and small volume of portable clothes dryers.

[0060] In some embodiments, the shell 1 has a storage cavity 400 inside, and the drying bag 4 is detachably connected to the shell 1. The storage cavity 400 is used to store the drying bag 4 in a detached state.

[0061] Specifically, the length of the shell 1 can be extended to allow for the creation of a storage cavity 400 inside. In this case, the drying bag 4 can be removed from the shell 1, folded, and then placed into the storage cavity 400. The storage cavity 400 facilitates the storage of the drying bag 4, making it more convenient to use.

[0062] In addition, to enable the drying bag 4 to be detachably connected to the shell 1, a hook can be provided at one end of the shell 1 near the air outlet 300, and a hanging ear can be provided at the drying bag 4. The drying bag 4 can be installed by hanging the hanging ear on the hook. In addition, the drying bag 4 can be disassembled by detaching the hanging ear from the hook. It is convenient to use. The specific installation method of the drying bag 4 is not limited here. Any solution that enables the drying bag 4 to be detachably connected to the shell 1 should be included in the scope of this solution.

[0063] Furthermore, referring to Figure 4 It also includes a cover plate 5, the receiving cavity 400 is adjacent to the air outlet 300, and the cover plate 5 is detachably installed on the shell 1 and used to block the air outlet 300.

[0064] Specifically, the storage cavity 400 is located at one end of the shell 1 near the air outlet 300, thus being adjacent to the air outlet 300. In addition, the cover plate 5 and the shell 1 are provided with a threaded structure, and the two are detachably connected by the threaded connection. At this time, by placing the drying bag 4 into the storage cavity 400 and installing the cover plate 5 on the shell 1, the air outlet 300 is blocked to prevent the drying bag 4 from leaking out of the shell 1, making it more convenient to use.

[0065] It should be explained that when the cover 5 is closed on the air outlet 300, the dryer is in a non-working state such as idle or under transport.

[0066] In some embodiments, refer to Figure 3 and Figure 4 It also includes a hook 6, which is rotatably mounted on the shell 1 and rotates through the air outlet 300 to the inside or outside of the shell 1.

[0067] Specifically, hook 6 is formed by bending a long rod multiple times. Due to its concave profile, it can be used to hang clothing. Both ends of hook 6 are rotatably connected to the shell 1, allowing the middle of hook 6 to rotate. Typically, to enable the rotatable installation of hook 6, a mounting base is integrally connected to the inner wall of the shell 1. The mounting base has insertion holes; by inserting the end of hook 6 into the insertion hole, hook 6 can rotate under the guidance of the insertion hole.

[0068] Based on the above settings, by rotating the hook 6 to the outside of the shell 1, clothes can be hung in the recess of the hook 6, which can meet the user's needs for more ways to hang clothes on the dryer, and the structure is flexible and versatile.

[0069] Furthermore, it also includes an extension hanger 7, which is detachably connected to the hook 6.

[0070] Specifically, the extended hanger 7 is also formed by bending a long rod multiple times. It has a concave profile that matches the outline of the hook 6. At this time, the extended hanger 7 can be fastened to the hook 6. The two ends of the extended hanger 7 extend away from the shell 1, thereby providing users with a larger hanging position to meet the hanging needs of more large-volume clothes. The applicability of the dryer to clothes is further optimized and improved.

[0071] Reference Figure 2 To ensure uniform heating of the airflow, a flow divider 8 is provided inside the shell 1. The flow divider 8 is located in the middle of the airflow channel 100 and forms an annular air duct with the inner wall of the shell 1. The heating element 3 is located in the annular air duct and is evenly distributed along the circumferential direction of the annular air duct. A conical flow divider surface 81 is provided on the side of the flow divider 8 facing the fan element 2. The conical flow divider surface 81 is used to guide the airflow from multiple directions in the circumferential direction into the annular air duct.

[0072] Specifically, the profile of the diverter 8 is a cylindrical structure, and its outer edge dimension is smaller than the inner edge dimension of the shell 1. In order to enable the diverter 8 to be installed in the middle of the airflow channel 100, an annular baffle perpendicular to the reference axis O can be set inside the shell 1, and the diverter 8 can be set on the convex ring. In this way, the diverter 8 can be suspended in the middle of the airflow channel 100.

[0073] Based on the above configuration, an annular air duct is formed between the outer circumferential surface of the diverter 8 and the inner wall of the shell 1 in the circumferential direction, and one end of the diverter faces the air outlet of the fan element 2. At this time, since a conical diverter surface 81 is provided on the side of the diverter facing the fan element 2, the airflow generated from the fan element 2 will collide with the conical diverter surface 81. The conical diverter surface 81 can evenly guide the airflow into the annular air duct in multiple directions along the circumferential direction, thereby enabling the heating element 3 located in the annular air duct to evenly heat the airflow in the annular air duct. The airflow as a whole obtains a uniform heating effect, thereby ensuring that the material to be dried obtains a good drying effect.

[0074] It should be explained that, in order to ensure smooth airflow, a through hole connected to the annular air duct is provided on the annular partition. The airflow enters the receiving cavity 400 through the through hole and eventually flows out, so as to ensure that the airflow can flow stably.

[0075] In some optional embodiments, the fan element 2 is a DC brushless fan. Compared to conventional fan structures, DC brushless fans have greater power, enabling faster airflow and thus generating a larger air volume. This further optimizes and improves the drying efficiency of clothes, meeting the needs of mass consumers.

[0076] In some embodiments, refer to Figure 5It also includes a control system 9, and the heating element 3 includes a heating wire 31 and a thermistor 32. The heating wire 31 is connected to the control system 9, and the thermistor 32 is connected to the control system 9. The thermistor 32 is used to detect the temperature of the heating wire 31. When the temperature is lower than a preset threshold, it sends a temperature signal to the control system 9, and the control system 9 stops the heating action of the heating wire based on the temperature signal.

[0077] Specifically, in combination Figure 2 The control system 9 mainly includes a control panel 91, a circuit board 92, a circuit module 93, and a main control chip 94. The circuit board 92 is installed inside the housing 1. The main control chip 94 is connected to the control panel 91. The circuit module 93 and the main control chip 94 are located on the circuit board 92. The circuit module 93 is connected to the main control chip 94 through the circuit on the circuit board. The circuit module 93 is also connected to the heating wire 31 and the power cord plug.

[0078] At this time, the circuit module 93 can be powered by connecting the power cord plug. The power switch can be turned on by operating the button on the control panel 91. At this time, the main control chip 94 can send a command to the circuit module 93. The circuit module 93 converts the mains power into a voltage suitable for the operation of the heating wire 31, thereby controlling the heating wire 31 to start and generate heat. Correspondingly, by operating the button on the control panel 91 again, the main control chip 94 controls the circuit module 93 to cut off the circuit, thereby controlling the heating wire 31 to stop operating, realizing convenient control function. The specific start-stop method and principle of the control system 9 and the heating wire 31 will not be described in detail here.

[0079] In addition, the main control chip 94 is connected to the thermistor 32. Thermistor 32 plays the role of preventing the temperature from getting too high. It can be understood that the thermistor 32 is an NTC thermistor 32 (Negative Temperature Coefficient), which is a "temperature-resistance" sensor made of semiconductor ceramic material. Temperature changes will cause a significant and predictable change in its resistance value, thereby generating a temperature signal.

[0080] The temperature signal is sent to the input terminal of the main control chip 94. The main control chip 94 compares the temperature signal with a preset threshold. When the temperature is greater than the set threshold, the main control chip 94 generates a first control signal and sends it to the circuit module 93 through its output terminal, thereby controlling the circuit module 93 to shut down to prevent the heating wire 31 from overheating. When the temperature is lower than the threshold, the main control chip 94 generates a second control signal and sends it to the circuit module 93 through its output terminal, thereby controlling the circuit module 93 to turn on again, so that the heating wire 31 continues to work and heats up to the appropriate temperature. This process is repeated to achieve the constant temperature control function.

[0081] In addition, in some embodiments, the heating wire 31 is made of nickel-chromium alloy, which has the advantages of high strength, high resistivity, heat resistance, and good oxidation and corrosion resistance. Its high strength and high resistivity make it suitable for a variety of electric heating scenarios, and its heat resistance and oxidation resistance extend its service life. It is durable and has a better heating effect than common heating ceramic materials, enabling it to heat up quickly and provide heat energy stably.

[0082] Based on the above settings, by setting up the control system 9, the start and stop control function of the heating wire 31 can be realized, enabling convenient operation. Furthermore, under the action of the thermistor 32, the heating wire 31 can be monitored to prevent its heating temperature from becoming too high, thus making the use of the equipment safer and more reliable.

[0083] It is understood that in some embodiments, a drying program can also be set in the control system 9 to realize functions such as timed drying and drying temperature adjustment. Correspondingly, operation buttons for the corresponding functions need to be set on the control panel 91, so as to realize one-click operation function and significantly improve the user experience. The specific drying function of this solution is not limited here.

[0084] Furthermore, it also includes a temperature control switch 10, which is connected to the control system 9 and the heating wire 31 respectively. When the temperature is greater than the preset value, the temperature control switch 10 is disconnected.

[0085] Specifically, the temperature control switch 10 is connected to the heating wire 31 and the circuit module 93 respectively. The temperature control switch 10 has an overheat protection function. If the thermistor 32 fails, the temperature of the heating wire 31 will rise. The temperature control switch 10 can cut off the power supply because the temperature of the heating wire 31 is too high. After the temperature drops, the power supply is restored, thus achieving a dual protection effect.

[0086] Furthermore, it also includes a temperature fuse 11, which is connected in series with the heating wire 31 and the temperature control switch 10, and automatically melts when the temperature exceeds a preset value.

[0087] Specifically, the thermal fuse can melt under high temperature conditions, thus completely disconnecting the power supply when the thermal element 32 and the temperature control switch 10 fail, preventing accidents and achieving a third layer of protection, greatly improving the safety of the equipment.

[0088] The portable clothes dryer provided in this application has the following beneficial effects:

[0089] 1. The gas flow is smooth, the air intake volume is large, the airflow is heated evenly, and by unfolding the drying bag 4, the external space of the shell 1 is fully utilized, thereby expanding the volume of the drying bag 4.

[0090] 2. The clothing can be loaded and hung in various ways to meet the different needs of different users, and the structure is flexible and versatile;

[0091] 3. It has triple protection functions, and the safety performance of the equipment is significantly outstanding.

[0092] Therefore, the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A portable clothes dryer, characterized in that, include: The shell (1) has an airflow channel (100) inside, and the two ends of the shell (1) are respectively provided with an air inlet (200) and an air outlet (300) connected to the airflow channel (100); A fan element (2) is disposed in the shell (1) and located in the airflow channel (100) for driving airflow to be drawn in from the air inlet (200) into the airflow channel (100) and blown out from the air outlet (300); A heating element (3) is disposed in the shell (1) and located in the airflow channel (100) for heating the airflow; And a drying bag (4) for placing the items to be dried, the drying bag (4) is connected to the shell (1) and the inside of the drying bag (4) is connected to the air outlet (300), and the drying bag (4) is unfoldable outside the shell (1).

2. The portable clothes dryer according to claim 1, characterized in that, The shell (1) has a storage cavity (400) inside. The drying bag (4) is detachably connected to the shell (1). The storage cavity (400) is used to store the drying bag (4) in a detached state.

3. The portable clothes dryer according to claim 2, characterized in that, It also includes a cover plate (5), the receiving cavity (400) is adjacent to the air outlet (300), and the cover plate (5) is detachably disposed on the shell (1) and used to block the air outlet (300).

4. The portable clothes dryer according to claim 1, characterized in that, It also includes a hook (6) which is rotatably disposed on the shell (1) and the hook (6) is rotated to the inside or outside of the shell (1) via the air outlet (300).

5. The portable clothes dryer according to claim 4, characterized in that, It also includes an extended hanger (7) which is detachably connected to the hook (6).

6. The portable clothes dryer according to claim 1, characterized in that, The shell (1) is provided with a flow divider (8) inside. The flow divider (8) is located in the middle of the airflow channel (100) and forms an annular air duct with the inner wall of the shell (1). The heating element (3) is located in the annular air duct and is evenly distributed along the circumferential direction of the annular air duct. The flow divider (8) has a conical flow divider surface (81) on the side facing the fan element (2). The conical flow divider surface (81) is used to guide the airflow from multiple directions in the circumferential direction into the annular air duct.

7. The portable clothes dryer according to claim 1, characterized in that, The fan component (2) is a DC brushless fan.

8. The portable clothes dryer according to claim 1, characterized in that, It also includes a control system (9), and the heating element (3) includes: Heating wire (31) is connected to the control system (9); The thermistor (32) is connected to the control system (9) and is used to detect the temperature of the heating wire (31). When the temperature is lower than a preset threshold, it sends a temperature signal to the control system (9), and the control system (9) stops the heating action of the heating wire (31) based on the temperature signal.

9. The portable clothes dryer according to claim 8, characterized in that, It also includes a temperature control switch (10), which is connected to the control system (9) and the heating wire (31) respectively. When the temperature is greater than the preset value, the temperature control switch (10) is disconnected.

10. The portable clothes dryer according to claim 9, characterized in that, It also includes a temperature fuse (11), which is connected in series with the heating wire (31) and the temperature control switch (10), and automatically melts when the temperature is greater than the preset value.

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