Clothes drying machine system

Abstract

The utility model relates to a kind of clothes airing machine systems, including including clothes airing machine host and at least one clothes airing machine slave machine;The clothes airing machine host includes first control module and first wireless communication module, and the first wireless communication module is connected with the first control module;The clothes airing machine slave machine includes second control module and second wireless communication module, and the second wireless communication module is connected with the second control module;Wherein, the first wireless communication module and the second wireless communication module are used to establish wireless communication link based on wireless pairing information, to make the clothes airing machine host pass the wireless communication link with the clothes airing machine slave machine signal transmission.The clothes airing machine system provided by the utility model improves the hardware structure of clothes airing machine, so that the clothes airing machine host and slave machine establish wireless communication link, and the host and slave machine can be transmitted by wireless signal, realizing multi-machine collaborative operation.

Description

Technical Field

[0001] This utility model relates to the technical field of smart home, and in particular to a clothes drying system. Background Technology

[0002] Clothes drying racks, as a common household appliance, are widely used for drying clothes, enhancing user convenience through functions such as lifting, lighting, air drying, and tumble drying. With expanding living spaces, users often need to install multiple clothes drying racks to meet the drying needs of large quantities of clothing, such as placing multiple units on balconies or large drying areas. However, existing clothes drying rack systems have significant limitations in their control methods, especially when multiple racks work together, their hardware structure and communication mechanisms struggle to achieve efficient and unified control. Utility Model Content

[0003] Based on this, the purpose of this utility model is to provide a clothes drying rack system that, for multi-machine operation scenarios, improves the hardware structure of the clothes drying rack to establish a wireless communication link between the main unit and the slave units, thereby realizing wireless signal transmission between the main unit and the slave units.

[0004] This application provides a clothes drying rack system, including a clothes drying rack main unit and at least one clothes drying rack slave unit; The clothes drying rack main unit includes a first control module and a first wireless communication module, wherein the first wireless communication module is connected to the first control module; The clothes drying rack slave unit includes a second control module and a second wireless communication module, the second wireless communication module being connected to the second control module; wherein, the first wireless communication module and the second wireless communication module are used to establish a wireless communication link based on wireless pairing information, so that the clothes drying rack master unit can transmit signals with the clothes drying rack slave unit through the wireless communication link.

[0005] In some possible implementations, the clothes drying rack main unit further includes a user input module, the output of which is connected to the signal input of the first control module; wherein, the user input module is used to generate corresponding control commands based on user operations and send them to the first control module.

[0006] In some implementations, the user input module includes control buttons connected to the first control module. In this embodiment, the user operates the physical buttons by pressing or touching them, triggering the generation of control commands to achieve human-computer interaction.

[0007] In some embodiments, the user input module includes a remote control terminal; the remote control terminal is communicatively connected to the first control module via the first wireless communication module. Alternatively, the clothes drying rack main unit may further include a third wireless communication module, which is connected to the first control module. The remote control terminal communicates with the first control module through the third wireless communication module. In this embodiment, control commands are generated by the remote control terminal to remotely control the clothes drying rack to perform corresponding operations.

[0008] In some implementations, the clothes drying rack slave unit further includes a motor drive module, which is connected to the output terminal of the second control module. The motor drive module is used to control the raising and lowering of the drying rod of the clothes drying rack slave unit according to the drive signal output by the second control module. The motor drive module is connected to the second control module and can drive the clothes drying rack motor to perform raising and lowering actions according to the drive signal output by the second control module, thereby changing the working state of the clothes drying rack.

[0009] In some implementations, the clothes drying rack slave unit further includes a status detection module connected to the second control module. The status detection module detects the operating status of the clothes drying rack slave unit and, upon detecting an abnormal operating status, causes the slave unit to send an abnormal operating signal to the clothes drying rack master unit via the second wireless communication module. The status detection module detects abnormal operating statuses of the clothes drying rack slave unit and can actively report the abnormal information to the clothes drying rack master unit via the wireless communication link, causing the master unit to issue an alarm.

[0010] In some implementations, the state detection module includes a limit detection switch and / or an obstruction detection circuit; The limit detection switch is connected to the second control module and is used to detect whether the drying rod of the clothes drying machine slave has reached the upper limit and / or lower limit. The obstruction detection circuit is connected to the second control module and is used to detect whether the clothes drying rack of the slave unit is obstructed.

[0011] In some possible implementations, the clothes drying rack main unit further includes a status indication unit connected to the first control module; wherein the status indication unit is used to indicate the operating status of the clothes drying rack main unit and / or the clothes drying rack slave unit, and / or the wireless communication connection status between the clothes drying rack main unit and the clothes drying rack slave unit. The user can respond according to the signal from the status indication unit to keep the clothes drying rack operating normally.

[0012] In some implementations, the wireless pairing information includes a target pairing code, a target baud rate, and a target pairing channel. Using the corresponding pairing code and pairing channel, a one-to-one binding is achieved between the clothes drying rack master unit and the clothes drying rack slave unit.

[0013] In some implementations, the first wireless communication module and the second wireless communication module are 2.4G radio frequency communication modules. Utilizing the high speed and adaptive frequency modulation technology of the 2.4G band, co-channel interference in complex recurring environments can be effectively combated, improving communication stability.

[0014] The clothes drying rack system provided in this embodiment establishes a wireless communication link based on wireless pairing information through a first wireless communication module corresponding to the main unit and a second wireless communication module corresponding to the slave unit. The main unit forwards control commands to the slave unit through the wireless communication link, and the slave unit sends its status information back to the main unit through the wireless communication link, thus achieving bidirectional signal transmission. In this system, the main unit can forward control commands to the slave unit, enabling the slave unit to respond to the control commands or to respond synchronously with the main unit. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application 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 application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the clothes drying rack system provided in the embodiments of this application. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the protection scope of this application.

[0018] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0019] In the following description, when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims. In the description of this application, it should be understood that the terms "first," "second," "third," etc., are used only to distinguish similar objects and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0020] Furthermore, in the description of this application, unless otherwise stated, "multiple" means two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0021] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of the clothes drying rack system provided in the embodiments of this application.

[0022] This application provides a clothes drying rack system, including a clothes drying rack main unit 1 and at least one clothes drying rack slave unit 2; The clothes drying rack main unit 1 includes a first control module 11 and a first wireless communication module 12, wherein the first wireless communication module 12 is connected to the first control module 11; The clothes drying rack slave unit 2 includes a second control module 21 and a second wireless communication module 22, the second wireless communication module 22 being connected to the second control module 21; wherein, the first wireless communication module 12 and the second wireless communication module 22 are used to establish a wireless communication link based on wireless pairing information, so that the clothes drying rack master unit 1 can transmit signals with the clothes drying rack slave unit 2 through the wireless communication link.

[0023] The described clothes drying system can be applied to multiple clothes drying machines. For multiple machines, each machine's main control module is equipped with a wireless communication module. One machine is designated as the master machine, and the others as slave machines. In this system, the master machine and the slave machines establish wireless communication links via the wireless communication modules. The user sends control commands to the master machine, which then forwards these commands to the slave machines via the wireless communication links, thus achieving synchronous control of multiple devices.

[0024] The clothes drying rack system provided in this embodiment establishes a wireless communication link based on wireless pairing information through a first wireless communication module corresponding to the clothes drying rack host and a second wireless communication module corresponding to the clothes drying rack slave. The clothes drying rack host forwards control commands to the clothes drying rack slave through the wireless communication link, and the clothes drying rack slave sends slave status information to the clothes drying rack host through the wireless communication link, thereby realizing bidirectional signal transmission.

[0025] In one embodiment, when the clothes drying rack host 1 and the clothes drying rack slave 2 are in a wireless pairing state, the clothes drying rack host 1 sends a wireless pairing information request to the clothes drying rack slave 2 to establish a wireless communication link.

[0026] Wireless pairing refers to the state in which clothes drying racks (such as the main unit and slave units) can exchange pairing information based on initial communication parameters. In wireless pairing, the main unit and slave units can exchange pairing information based on these initial parameters. Since the wireless pairing status indicator is used for information exchange between the main and slave units, rather than for synchronous control, the initial communication parameters for wireless pairing have a lower lower limit on communication requirements. These initial communication parameters can be those supported by the communication hardware of all main and slave units, with lower communication speed requirements and even weaker anti-interference capabilities.

[0027] The wireless pairing communication channel is a communication channel established between the main unit and the slave unit of the clothes drying rack based on wireless pairing information. It is also a dedicated communication channel between the main unit and the slave unit of the clothes drying rack. Therefore, the communication speed of the wireless pairing communication channel is faster than the communication speed in the wireless pairing state, and / or the anti-interference capability of the wireless pairing communication channel is stronger than the anti-interference capability of the wireless pairing state communication.

[0028] In one embodiment, the first wireless communication module 12 and the second wireless communication module 22 are 2.4G radio frequency communication modules.

[0029] The 2.4G radio frequency communication module is a wireless data transmission component operating in the 2.4GHz frequency band. Based on radio frequency technology, it achieves short-range communication and features low power consumption, strong anti-interference capability, and high transmission rate. In one embodiment, the first wireless communication module 12 and the second wireless communication module 22 are configured to synchronize parameters based on wireless pairing information to achieve rapid establishment of a wireless communication link. The wireless pairing information is generated by the first control module 11 of the clothes drying machine host and sent to the clothes drying machine slave unit 2 via the first wireless communication module 12. Correspondingly, after receiving the wireless pairing information, the second control module 21 of the clothes drying machine slave unit 2 drives the second wireless communication module 22 to update communication parameters, thereby completing the pairing.

[0030] After receiving the wireless pairing information, the slave unit of the clothes drying rack compares it with the wireless pairing information. If the information of the slave unit of the clothes drying rack is the same as the wireless pairing information, the pairing is successful and a wireless communication link is established.

[0031] The 2.4G radio frequency communication module enables adaptive frequency hopping, which allows for synchronous switching between multiple channels, thereby avoiding interference from Wi-Fi and Bluetooth signals, effectively combating co-channel interference in wireless environments, and improving communication stability.

[0032] In this embodiment, a 2.4G radio frequency communication module is used to realize transparent data transmission between the main unit and the slave unit of the clothes drying rack, ensuring the integrity and real-time performance of control commands and improving the convenience of multi-machine collaborative control.

[0033] In one embodiment, the wireless pairing information includes a target pairing code, a target baud rate, and a target pairing channel.

[0034] The target pairing code is used to identify whether the control command received by the slave unit of the clothes dryer was issued by the master unit of the clothes dryer. It serves as a pairing identifier to determine the validity of the control command. By updating the pairing code parameter of the slave unit according to the target pairing code, the slave unit of the clothes dryer can identify the received control command, and then judge and execute the control command forwarded by the master unit of the clothes dryer.

[0035] Baud rate refers to the communication rate between the control module and the module, that is, the number of symbols transmitted per second. The clothes drying machine master and slave need to be based on the same baud rate parameter to ensure synchronous transmission of command data.

[0036] The target pairing channel is the propagation path for the clothes drying machine host to forward control commands to the clothes drying machine slave. Through the target pairing channel, the clothes drying machine host can stably and quickly transmit command data to the clothes drying machine slave. Furthermore, information data transmission based on the target pairing channel can reduce device conflicts and reduce interference in information data transmission between the clothes drying machine host and the clothes drying machine slave.

[0037] In this embodiment, by comparing the wireless pairing information sent by the clothes drying machine host with the information of the clothes drying machine slave, it is determined whether the received wireless pairing information is correct, so that the clothes drying machine slave can obtain the communication parameters of the corresponding wireless communication link, thereby establishing a wireless communication link and improving the system's anti-interference capability.

[0038] The first control module 11 is equipped with a timing function to record the response time of the clothes drying machine slave 2 to the control command sent by the clothes drying machine host 1. When the response time exceeds the preset time, the clothes drying machine host 1 resends the control command.

[0039] In one embodiment, the clothes drying machine host 1 has a built-in response timeout timer. The timing unit has a preset timeout duration. When the first wireless communication module 12 forwards a control command to the second wireless communication module 22, the response timeout timer starts timing and waits for the clothes drying machine slave 2 to reply with a response. The control response is judged based on the timeout duration to determine whether the control response has timed out, thereby judging the stability of the communication connection. After the response timeout, a retransmission mechanism is triggered to make the clothes drying machine host 1 resend the control command.

[0040] In this embodiment, after the clothes drying machine host receives the user's control command, it forwards the control command to the clothes drying machine slave. The timing unit starts timing and waits for the response reply from the clothes drying machine slave. It compares the response time with the preset time to determine whether the communication is stable, and resends the control command when the response times out, ensuring that each control command can be sent to the corresponding clothes drying machine slave, preventing the control command from failing to be sent due to interference, and improving the reliability of transmission.

[0041] In one embodiment, the clothes drying rack host 1 generates a control instruction data packet in response to a user's control command, and sends the control instruction data packet to the clothes drying rack slave 2 through the first wireless communication module 12. After receiving the control instruction data packet, the clothes drying rack slave 2 performs matching and verification. If the verification is successful, it returns an acknowledgment data packet (ACK) to the clothes drying rack host 1. The structure of the control instruction data packet includes: frame header, destination address, source address, command word, sequence number, and checksum.

[0042] In one embodiment, the first control module 11 also has a built-in counting function to record the number of retransmissions and has a preset retransmission threshold. Whenever the clothes drying machine host responds to the response timeout instruction and retransmits the control instruction to the clothes drying machine slave, the number of retransmissions is recorded. When the number of retransmissions exceeds the retransmission threshold, the first control module 11 prompts a communication failure.

[0043] In this embodiment, the communication status between the clothes drying machine host 1 and the clothes drying machine slave 2 is determined by recording the number of retransmissions.

[0044] The clothes drying rack main unit 1 also includes a user input module 13, which is connected to the first control module 11.

[0045] The user input module 13 is used to generate corresponding control commands based on user operations and send them to the first control module 11.

[0046] The user input module receives user interaction signals and converts them into control commands in the form of electrical signals, so that the first control module can respond and process them.

[0047] In one embodiment, the user input module 13 includes control buttons, which are connected to the first control module 11.

[0048] The control button can be a mechanical or touch-sensitive switch element. The control button can be set on the outer surface of the clothes drying machine main unit or a specific control area. The user generates a corresponding control command by touching or pressing the target control button, and transmits it to the first control module 11, thereby driving the clothes drying machine main unit to perform corresponding actions.

[0049] In another embodiment, the user input module 13 includes a remote control terminal, which is communicatively connected to the first control module 11 via the first wireless communication module 12.

[0050] The remote control terminal can be a remote controller, etc. The user generates control commands by pressing the buttons on the remote control terminal and sends them to the signal receiving unit to realize the remote transmission of control commands.

[0051] The remote control terminal may be equipped with the same wireless module as the first wireless communication module 12, such as the 2.4G radio frequency module described in the above embodiment. After the remote control terminal is paired with the first wireless communication module 12, a communication channel is established, thereby connecting with the first wireless control module 11.

[0052] In another embodiment, the clothes drying rack main unit 1 further includes a third wireless communication module, which is connected to the first control module 11. The remote control terminal communicates with the first control module 11 through the third wireless communication module. The third wireless communication module is used to establish a communication connection between the remote control terminal and the first wireless control module 11 when the remote control terminal does not have a wireless module identical to the first wireless communication module 12. For example, in the above embodiment, the first wireless communication module 12 is a 2.4G radio frequency module, while the remote control terminal does not have a built-in 2.4G radio frequency module.

[0053] The third wireless communication module has the same wireless communication module as the remote control terminal, such as a Bluetooth module. After the remote control terminal is paired with the third wireless communication module, a communication channel is established, thereby connecting with the first wireless control module 11.

[0054] In this embodiment, control commands can be sent to the clothes drying machine host via a control button connected to the control module via wired connection or a wireless remote control terminal, thereby controlling the clothes drying machine to perform corresponding actions. This method is applicable to clothes drying machine control in various scenarios.

[0055] The clothes drying machine slave unit 2 also includes a motor drive module 23, which is connected to the output terminal of the second control module 21; wherein, the motor drive module 23 is used to control the lifting and lowering of the clothes drying machine slave unit according to the drive signal output by the second control module 21.

[0056] The clothes drying rack slave unit 2 is equipped with a drive motor. The drive signal output by the motor drive module 23 can control the operating parameters of the drive motor (such as speed, direction, and torque), thereby enabling the clothes drying rack slave unit to perform lifting and lowering operations. In one embodiment, when the user issues a control command to raise or lower the clothes drying rack, the control command is transmitted to the first control module 11 of the clothes drying rack master unit 1. The first control module 11 forwards the control command to the clothes drying rack slave unit 2 through the first wireless communication module 12. After receiving the control command, the second control module 21 of the clothes drying rack slave unit 2 generates a corresponding drive signal and sends it to the motor drive module 23, thereby driving the clothes drying rack slave unit to raise or lower.

[0057] In this embodiment, the motor drive module drives the motor to operate through the drive signal sent by the control module, thereby realizing the lifting and lowering of the clothes drying rack slave unit.

[0058] The clothes drying rack slave unit also includes a status detection module 24, which is connected to the second control module 21. The status detection module 24 is used to detect the operating status of the clothes drying rack slave unit 2, and when an abnormal operating status is detected, the clothes drying rack slave unit 2 sends an abnormal operating signal to the clothes drying rack master unit 1 through the second wireless communication module 22.

[0059] The status detection module 24 includes several sensors for acquiring the operating status parameters of the clothes drying machine slave unit. The operating status signals detected by the sensors are transmitted to the second control module 21 of the clothes drying machine slave unit, thereby reflecting the operating status of the clothes drying machine slave unit 2.

[0060] In one embodiment, the state detection module 24 includes a limit detection switch and / or an obstruction detection circuit.

[0061] The limit detection switch is connected to the second control module and is used to detect whether the drying rod of the clothes drying machine slave has reached the upper limit and / or lower limit.

[0062] The limit detection switch is a mechanical or photoelectric sensor, which is set at the highest and lowest positions of the clothes drying machine's movement path to detect whether the clothes drying machine has reached the limit position.

[0063] The obstruction detection circuit is connected to the second control module and is used to detect whether the clothes drying rack of the slave unit is obstructed.

[0064] The obstruction detection circuit can adopt the principle of current sampling circuit. It can judge the obstruction of the clothes dryer by collecting the current change of the drive motor in real time. In one embodiment, the obstruction detection circuit includes a current sensor and a comparator. It can judge whether the operation of the clothes dryer is obstructed by comparing whether the current exceeds a preset current threshold.

[0065] In this embodiment, by detecting that the slave unit of the clothes drying rack exceeds the limit position or the current exceeds the current threshold, it is determined that the slave unit of the clothes drying rack is in an abnormal operating state, and an abnormal operating signal is generated and sent to the second control module of the slave unit of the clothes drying rack. The second control module sends the abnormal operating signal to the main unit of the clothes drying rack through the second wireless communication module, thereby realizing the alarm to the user and avoiding abnormal operation of multiple machines due to abnormal operation.

[0066] In one embodiment, the clothes drying rack main unit further includes a status indication unit 14, which is connected to the first control module 11; wherein, the status indication unit 14 is used to indicate the operating status of the clothes drying rack main unit 1 and / or the clothes drying rack slave unit 2, and / or the wireless communication connection status between the clothes drying rack main unit 1 and the clothes drying rack slave unit 2.

[0067] The status indication unit 14 is used to provide feedback to the user on the operating status of the device and the communication status between devices. In one embodiment, the clothes drying rack host may include several status indication units 14. The status indication unit may include indicator lights (such as LED lights, digital tubes, etc.) or buzzers, etc., and different operating statuses are obtained through preset encoding patterns (such as light changes, sound changes, etc.). In one embodiment, the status detection module 24 of the clothes drying rack slave detects an abnormal operating status and sends an abnormal status signal to the clothes drying rack host 1 through a wireless communication link. The clothes drying rack host 1 then causes the status indication unit to issue a corresponding alarm prompt based on the abnormal status signal.

[0068] In this embodiment, the operating status of the connected slave dryer can be obtained through the status indication unit of the main dryer, thereby improving system reliability.

[0069] This utility model provides a clothes drying rack system, in which wireless communication modules are installed on both the main drying rack unit and several slave drying rack units. A wireless communication link is established between the main drying rack unit and the slave drying rack units based on wireless pairing information sent by the main drying rack unit. The main drying rack unit is equipped with a user input module and a status indicator unit. The user input module receives control commands from the user and forwards these commands to the slave drying rack units via the wireless communication link, enabling the slave drying rack units to respond to the control commands or to respond synchronously with the main drying rack unit. Each slave drying rack unit is equipped with a motor drive module and a status detection module, used to drive the drying rack's lifting and lowering and to detect the drying rack's operating status, respectively. When a slave drying rack unit detects an abnormal operating status, it sends an abnormal operating signal to the main drying rack unit via the wireless communication link and triggers a corresponding alarm from the status indicator unit. The status indicator unit can also be used to indicate the wireless communication connection status between the main drying rack unit and the slave drying rack units.

[0070] The system provided by this utility model allows users to control multiple clothes drying machines by operating the main unit of the clothes drying machine through a remote control terminal or local buttons, without having to operate different devices separately, thus achieving multi-machine collaborative operation.

[0071] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A clothes drying rack system, characterized in that, Includes the main unit of the clothes drying rack and at least one slave unit; The clothes drying rack main unit includes a first control module and a first wireless communication module, wherein the first wireless communication module is connected to the first control module; The clothes drying rack slave unit includes a second control module and a second wireless communication module, the second wireless communication module being connected to the second control module; wherein, the first wireless communication module and the second wireless communication module are used to establish a wireless communication link based on wireless pairing information, so that the clothes drying rack master unit can transmit signals with the clothes drying rack slave unit through the wireless communication link.

2. The clothes drying system according to claim 1, characterized in that, The clothes drying rack main unit also includes a user input module, which is connected to the first control module and is used to generate corresponding control commands based on user operations and send them to the first control module.

3. The clothes drying system according to claim 2, characterized in that, The user input module includes control buttons, which are connected to the first control module.

4. The clothes drying system according to claim 2, characterized in that, The user input module includes a remote control terminal; the remote control terminal is communicatively connected to the first control module through the first wireless communication module. Alternatively, the clothes drying rack main unit may further include a third wireless communication module, which is connected to the first control module, and the remote control terminal communicates with the first control module through the third wireless communication module.

5. The clothes drying system according to claim 1, characterized in that, The clothes drying rack slave unit also includes a motor drive module, which is connected to the output terminal of the second control module; the motor drive module is used to control the raising and lowering of the drying rod of the clothes drying rack slave unit according to the drive signal output by the second control module.

6. The clothes drying system according to claim 1, characterized in that, The clothes drying rack slave unit also includes a status detection module, which is connected to the second control module. The status detection module is used to detect the operating status of the clothes drying rack slave unit, and when an abnormal operating status is detected, the clothes drying rack slave unit sends an abnormal operating signal to the clothes drying rack master unit through the second wireless communication module.

7. The clothes drying rack system according to claim 6, characterized in that, The status detection module includes a limit detection switch and / or an obstruction detection circuit; The limit detection switch is connected to the second control module and is used to detect whether the drying rod of the clothes drying machine slave has reached the upper limit and / or lower limit. The obstruction detection circuit is connected to the second control module and is used to detect whether the clothes drying rack of the slave unit is obstructed.

8. The clothes drying system according to claim 1, characterized in that, The clothes drying rack main unit also includes a status indication unit, which is connected to the first control module; wherein, the status indication unit is used to indicate the operating status of the clothes drying rack main unit and / or the clothes drying rack slave unit, and / or the wireless communication connection status between the clothes drying rack main unit and the clothes drying rack slave unit.

9. The clothes drying system according to claim 1, characterized in that, The wireless pairing information includes the target pairing code, target baud rate, and target pairing channel.

10. The clothes drying rack system according to any one of claims 1-9, characterized in that, The first wireless communication module and the second wireless communication module are 2.4G radio frequency communication modules.

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