Sleep therapeutic apparatus with blocking early warning function
By using a silent motor to drive the protective rod to unfold and a noise shield to cancel out noise, combined with a monitoring mechanism for respiratory early warning, the problems of patients falling out of the sleep therapy device and the influence of external noise are solved, thus improving the safety of use and sleep quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 胡伟妮
- Filing Date
- 2023-06-26
- Publication Date
- 2026-04-17
AI Technical Summary
During the use of sleep therapy devices, patients are prone to falling off the bed due to rolling around, and external noise can affect the treatment effect. There is a lack of effective protection and noise reduction measures.
A sleep therapy device with an obstruction warning function was designed. The device features a silent motor that drives the protective rod to unfold automatically, a noise shield to cancel out external noise, and a monitoring mechanism to provide an early warning of airway obstruction.
It provides restraint and protection during sleep therapy, reduces the risk of falling, creates a quiet space, improves sleep quality, and provides airway obstruction warning to prevent patients' sleep disorders from worsening.
Smart Images

Figure CN121868052A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of sleep therapy device technology, specifically to a sleep therapy device with an obstruction warning function. Background Technology
[0002] We spend about one-third of our lives sleeping. Sleep is an essential process for life, crucial for the body's recovery, integration, and memory consolidation. Sleep disorders are abnormalities in the quantity and quality of sleep, or the occurrence of clinical symptoms during sleep. Among these, obstructive sleep apnea syndrome is a common condition, often accompanied by repeated complete or partial collapse of the upper airway during sleep, leading to apnea or hypoventilation. Sleep therapy devices are extremely common in the treatment of sleep disorders, characterized by their compact structure.
[0003] To alleviate and treat sleep disorders and ensure people's health, sleep therapy devices are used. Patients lie on the treatment bed, which is then activated. The bed's somatosensory music module plays hypnotic and relaxing music, resonating different frequencies with the body's physiological waves. This activates the brain quickly, providing a sense of relaxation and pleasure, thus alleviating and treating sleep disorders. However, during treatment, patients lie directly on the bed, which often lacks safety railings. This makes it easy for patients to roll off. Even when safety railings are installed, their opening and closing requires manual operation, which is inconvenient. Furthermore, external noise can disrupt sleep, affecting the treatment's effectiveness. Summary of the Invention
[0004] The purpose of this invention is to provide a sleep therapy device with an obstruction warning function, in order to solve the problem that, when using the sleep therapy devices mentioned in the background art, patients are prone to rolling off the sleep therapy bed during treatment, thus failing to meet people's usage needs.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a sleep therapy device with an obstruction warning function, comprising a sleep therapy device body, a sleep therapy bed, and a somatosensory music module. The sleep therapy bed is connected to the top of the sleep therapy device body, and the somatosensory music module is installed inside the sleep therapy device body. A control board is connected to one side of the top of the sleep therapy bed, and a silent motor is fixedly connected to the side of the sleep therapy bed away from the control board. The output end of the silent motor is connected to a first synchronous pulley.
[0006] Preferably, the first synchronous pulley is internally connected to a worm gear, and the outer wall of the worm gear is meshed with a worm wheel, and the worm wheel is internally connected to a rotating rod, the outer wall of which is connected to a transmission rod.
[0007] Preferably, a protective rod is rotatably connected to the side of the transmission rod away from the rotating rod, and support rods are rotatably connected to both sides of the bottom end of the protective rod. A limit plate is connected to the side of the sleep therapy bed closest to the transmission rod, and a first support seat is sleeved on the outer wall of the middle part of the worm gear.
[0008] Preferably, the first synchronous pulley is connected to the second synchronous pulley via a synchronous belt, and the second synchronous pulley has a connecting rod mated inside, and the side of the connecting rod near the second synchronous pulley has an extension plate mated to it, and the outer wall of the middle part of the connecting rod is fitted with a second support seat.
[0009] Preferably, the connecting rod is connected to a first gear on the side away from the second synchronous wheel, and the outer wall of the first gear is meshed with a second gear. A protective box is installed on the outer wall of the sleep therapy bed on the side away from the control board, and an auxiliary mechanism is provided inside the protective box.
[0010] Preferably, the auxiliary mechanism includes a screw, a threaded column, a lifting seat, a noise shield, a first guide rod, a second guide rod, and a top cover. The screw is internally connected to the second gear, and the threaded column is threadedly connected to the outer wall of the screw. The lifting seat is connected to the top of the threaded column through a bearing seat.
[0011] Preferably, a noise shield is installed at the top of the lifting seat, and a first guide rod is rotatably connected to both sides of the outer wall of the lifting seat, and a second guide rod is rotatably connected to both sides of the middle part of the lifting seat. The top of the second guide rod and the first guide rod are rotatably connected to a top cover.
[0012] Preferably, the control board has a monitoring mechanism inside, which includes a data transmission module, a monitoring module, wires, a probe, a silent motor, a rotating fan blade, a heating wire, and an audible and visual alarm. The data transmission module and the monitoring module are installed in sequence from top to bottom inside the control board, and a wire is connected to one side of the monitoring module.
[0013] Preferably, the side of the wire away from the monitoring module is connected to a probe, the output end of the silent motor is connected to a rotating fan blade, and the bottom end of the silent motor is connected to the control board.
[0014] Preferably, a heating wire is installed at the bottom of the control board, and an audible and visual alarm is connected to one side of the outer wall of the control board.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: When the sleep therapy device with obstruction warning function is used, the silent motor drives the transmission rod to rotate, thereby unfolding the protective rod to prevent the patient from falling off the sleep therapy bed during treatment, thus having the effect of limiting and protecting the patient. In addition, the auxiliary mechanism generates sound waves that are opposite to external noise to cancel them out, thereby forming a silent space around the sleep therapy bed to prevent external noise from affecting sleep, thus having the effect of noise reduction and improving sleep quality. Furthermore, the monitoring mechanism provides airway obstruction warning for the patient to prevent the patient's sleep disorder from worsening, thus providing an airway obstruction warning function during the use of the sleep therapy device.
[0016] 1. To alleviate and treat sleep disorders and ensure people's health, during the treatment process using the sleep therapy device, the silent motor is first activated to drive the first synchronous wheel to rotate. The rotation of the first synchronous wheel drives the worm gear to rotate, which in turn drives the worm wheel to rotate. Then, the rotation of the worm wheel drives the transmission rod to rotate through the rotating rod, causing a change in the angle between the transmission rod and the protective rod. This causes the protective rod to move upward until the outer wall of the protective rod connects with the limiting plate. The limiting plate then limits the rotation of the protective rod. At this point, the protective rod and the transmission rod are perpendicular to each other, thus automatically unfolding the protective rod to prevent the patient from rolling off the sleep therapy bed during treatment. Therefore, the sleep therapy device has the effect of limiting and protecting the patient during use.
[0017] 2. To alleviate and treat sleep disorders and ensure people's health, during the treatment process using the sleep therapy device, to prevent external noise from affecting sleep, the first synchronous pulley drives the second synchronous pulley to rotate via a synchronous belt. The second synchronous pulley drives the first gear to rotate via a connecting rod. Then, the first gear drives the screw to rotate via the second gear. The rotation of the screw causes the threaded column to rotate upward. The upward rotation of the threaded column drives the noise shielding device to move upward through the lifting seat. The upward movement of the lifting seat causes the first and second guide rods to rotate, which in turn causes the angle between the first and second guide rods and the top cover to change. This causes the top cover to slide along the protective box until the noise shielding device is visible. At this time, the noise shielding device is activated. The noise shielding device generates sound waves that are opposite to the external noise, canceling it out. This creates a quiet space around the sleep therapy bed, preventing external noise from affecting sleep and reducing the treatment effect. Therefore, during the use of the sleep therapy device, it has the effects of noise reduction and improving sleep quality.
[0018] 3. To alleviate and treat sleep disorders and ensure people's health, during treatment with the sleep therapy device, after the person lies on the sleep therapy bed, the probe is first placed against the body. Then, the probe monitors the person's blood pressure and pulse. When the upper airway collapses completely or partially during sleep, causing breathing apnea and obstruction, which in turn leads to abnormal blood pressure and pulse, the monitoring module activates the sound and light alarm to warn the person. At the same time, the data transmission module sends the information to the remote terminal, informing the patient's family and medical staff that the patient has experienced airway obstruction. This provides an airway obstruction warning to prevent the patient's sleep disorder from worsening. Therefore, the sleep therapy device has an airway obstruction warning function during use. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the main structure of the present invention;
[0020] Figure 2 This is a schematic diagram of the front view sectional structure of the present invention;
[0021] Figure 3 This is a schematic diagram of the worm gear structure from the front view section of the present invention;
[0022] Figure 4 This is a schematic diagram of the front view section of the auxiliary mechanism of the present invention;
[0023] Figure 5 This is a schematic diagram of the left-side cross-sectional structure of the protective box of the present invention;
[0024] Figure 6 This is a top view of the structure of the present invention;
[0025] Figure 7 This is a schematic diagram of the main view cross-section of the monitoring mechanism of the present invention.
[0026] In the diagram: 1. Main body of the sleep therapy device; 2. Sleep therapy bed; 3. Somatosensory music module; 4. Control board; 5. Silent motor; 6. First synchronous pulley; 7. Worm gear; 8. Worm wheel; 9. Rotating rod; 10. Transmission rod; 11. Protective rod; 12. Support rod; 13. Limiting plate; 14. First support base; 15. Synchronous belt; 16. Second synchronous pulley; 17. Connecting rod; 18. Extension plate; 19. Second support base; 20. First gear; 21. Second... 22. Gear; 23. Protective box; 24. Auxiliary mechanism; 25. Screw; 26. Threaded column; 27. Lifting seat; 28. Noise shield; 29. First guide rod; 20. Second guide rod; 21. Top cover; 22. Monitoring mechanism; 23. Data transmission module; 24. Monitoring module; 24. Wire; 24. Probe head; 25. Silent motor; 26. Rotating fan blade; 27. Heating wire; 28. Audible and visual alarm. Detailed Implementation
[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0028] Please see Figure 1 , Figure 2 , Figure 3 and Figure 6 This invention provides a technical solution: a sleep therapy device with an obstruction warning function, comprising a sleep therapy device body 1, a sleep therapy bed 2, and a somatosensory music module 3. The top of the sleep therapy device body 1 is connected to the sleep therapy bed 2, and the somatosensory music module 3 is installed inside the sleep therapy device body 1. A control board 4 is connected to one side of the top of the sleep therapy bed 2, and a silent motor 5 is fixedly connected to the side of the sleep therapy bed 2 away from the control board 4. The output end of the silent motor 5 is connected to a first synchronous pulley 6; a worm gear 7 is connected inside the first synchronous pulley 6, and... The outer wall of the worm gear 7 is meshed with a worm wheel 8, and a rotating rod 9 is connected inside the worm wheel 8. The outer wall of the rotating rod 9 is connected to a transmission rod 10. A protective rod 11 is rotatably connected to the side of the transmission rod 10 away from the rotating rod 9, and support rods 12 are rotatably connected to both sides of the bottom end of the protective rod 11. The side of the sleep therapy bed 2 closest to the transmission rod 10 is connected to a limit plate 13. A first support seat 14 is sleeved on the outer wall of the middle part of the worm gear 7. The side of the worm gear 7 away from the silent motor 5 is connected to the sleep therapy bed 2 through a bearing seat. The support rod 12 is rotatably connected to the sleep therapy bed 2.
[0029] In practice, in order to alleviate and treat sleep disorders and ensure people's health, during the treatment process using a sleep therapy device, to prevent patients from rolling off the sleep therapy bed 2 during treatment, the silent motor 5 is first started to drive the first synchronous wheel 6 to rotate. The rotation of the first synchronous wheel 6 drives the worm gear 7 to rotate. Since the worm gear 7 and the worm wheel 8 are meshed, the rotation of the worm gear 7 drives the worm wheel 8 to rotate. At this time, the first support seat 14 provides auxiliary support for the worm gear 7. Then, the rotation of the worm wheel 8 drives the rotating rod 9 to rotate. The rotation of the rotating rod 9 drives the transmission rod 10 to rotate, causing the angle between the transmission rod 10 and the protective rod 11 to change, so that the protective rod 11 moves upward.
[0030] Until the outer wall of the protective rod 11 is connected to the limiting plate 13, the rotation of the protective rod 11 is limited by the limiting plate 13. At this time, the protective rod 11 and the transmission rod 10 are perpendicular to each other. When the protective rod 11 moves upward, it drives the support rod 12 to rotate until the support rod 12 is perpendicular to the protective rod 11. Then, the support rod 12 provides auxiliary support for the protective rod 11, improving the stability of the protective rod 11. Thus, the protective rod 11 is automatically deployed to prevent the patient from rolling off the sleep therapy bed 2 during treatment. Therefore, the sleep therapy device has the effect of limiting and protecting the patient during use.
[0031] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 It is known that the first synchronous pulley 6 is connected to the second synchronous pulley 16 via the synchronous belt 15, and the second synchronous pulley 16 is internally connected to a connecting rod 17. An extension plate 18 is connected to the side of the connecting rod 17 closest to the second synchronous pulley 16, and a second support seat 19 is sleeved on the outer wall of the middle part of the connecting rod 17. A first gear 20 is connected to the side of the connecting rod 17 away from the second synchronous pulley 16, and a second gear 21 is meshed with the outer wall of the first gear 20. A protective box 22 is installed on the outer wall of the sleep therapy bed 2 away from the control panel 4, and an auxiliary mechanism 23 is provided inside the protective box 22. The auxiliary mechanism 23 includes a screw 231, a threaded column 232, a lifting seat 233, a noise shield 234, a first guide rod 235, a second guide rod 236, and a top cover 237. The second gear 21 is internally connected to... A screw 231 is connected, and a threaded post 232 is threaded to the outer wall of the screw 231. The top of the threaded post 232 is connected to a lifting seat 233 through a bearing seat. A noise shield 234 is installed on the top of the lifting seat 233. A first guide rod 235 is rotatably connected to both sides of the outer wall of the lifting seat 233. A second guide rod 236 is rotatably connected to both sides of the middle part of the lifting seat 233. The top of the second guide rod 236 and the first guide rod 235 are rotatably connected to a top cover 237. The top cover 237 is slidably connected to the protective box 22. The noise shield 234 is model SW-208. The second guide rod 236 and the first guide rod 235 are symmetrically distributed about the vertical midline of the lifting seat 233. The extension plate 18 and the second support seat 19 are both connected to the sleep therapy bed 2.
[0032] In specific implementation, in order to alleviate and treat sleep disorders and ensure people's health, during the treatment process using a sleep therapy device, in order to prevent external noise from affecting sleep, when the silent motor 5 drives the first synchronous wheel 6 to rotate and then automatically unfolds the protective rod 11, the first synchronous wheel 6 drives the second synchronous wheel 16 to rotate through the synchronous belt 15. The rotation of the second synchronous wheel 16 drives the connecting rod 17 to rotate. At this time, the extension plate 18 and the second support seat 19 provide auxiliary support for the connecting rod 17. Then, the rotation of the connecting rod 17 drives the first gear 20 to rotate. Since the first gear 20 and the second gear 21 are meshed, the rotation of the first gear 20 drives the second gear 21 to rotate. The rotation of the second gear 21 drives the screw 231 to rotate. Since the screw 231 and the threaded column 232 are threadedly connected, the rotation of the screw 231 causes the threaded column 232 to rotate upward.
[0033] The upward rotation of the threaded column 232 causes the lifting seat 233 to move upward. The upward movement of the lifting seat 233 causes the noise shield 234 to move upward. The upward movement of the lifting seat 233 causes the first guide rod 235 and the second guide rod 236 to rotate, which in turn causes the angle between the first guide rod 235 and the second guide rod 236 and the top cover 237 to change. This causes the top cover 237 to slide along the protective box 22 until the noise shield 234 is visible through the protective box 22. At this time, the noise shield 234 is activated. The noise shield 234 generates sound waves that are opposite to external noise, which cancel each other out, thereby creating a quiet space around the sleep therapy bed 2. This prevents external noise from affecting sleep and reducing the treatment effect. When people get up from the sleep therapy bed 2, the noise shield 234 is stored in the protective box 22, which protects the noise shield 234 from being directly exposed and easily damaged. Thus, during the use of the sleep therapy device, it has the effect of noise reduction and improving sleep quality.
[0034] See Figure 1. Figure 2 , Figure 6 and Figure 7It is known that the control board 4 is equipped with a monitoring mechanism 24, which includes a data transmission module 241, a monitoring module 242, a wire 243, a probe 244, a silent motor 245, a rotating fan blade 246, a heating wire 247, and an audible and visual alarm 248. The data transmission module 241 and the monitoring module 242 are installed inside the control board 4 from top to bottom. The wire 243 is connected to one side of the monitoring module 242. The probe 244 is connected to the side of the wire 243 away from the monitoring module 242. The output end of the silent motor 245 is connected to the rotating fan blade 246, and the bottom end of the silent motor 245 is connected to the control board 4. The heating wire 247 is installed at the bottom of the control board 4, and the audible and visual alarm 248 is connected to one side of the outer wall of the control board 4. The model of the audible and visual alarm 248 is ND2-1. The outer wall of the control board 4 has ventilation holes, and there are two wires 243.
[0035] In practice, to alleviate and treat sleep disorders and ensure people's health, during the treatment process using the sleep therapy device, after the person lies on the sleep therapy bed 2, the wire 243 is pulled to connect the probe head 244 to the human body or a special pillow. Then, the probe head 244 monitors the person's blood pressure and pulse, and transmits the detected data to the monitoring module 242. When the upper airway collapses completely or partially during sleep, causing breathing apnea and obstruction, which in turn leads to abnormal blood pressure and pulse, the monitoring module 242 activates the audible and visual alarm 248. The audible and visual alarm 248 emits sound and light to warn the person, and the monitoring module 242 sends the data to the data transmission module 241, which then sends the information to the remote terminal, informing the patient's family and medical staff that the patient has experienced airway obstruction, and thus providing an airway obstruction warning to prevent the patient's sleep disorder from worsening. Therefore, the sleep therapy device has an airway obstruction warning function during use.
[0036] Furthermore, as the monitoring module 242 operates for longer periods, if its temperature becomes too high, the silent motor 245 is activated to drive the rotating fan blades 246. The rotating fan blades 246 generate airflow, which quickly exchanges the air inside and outside the control board 4, carrying away the heat inside the control board 4 and thus cooling the monitoring module 242. When the internal temperature of the control board 4 is too low and affects the operation of the data transmission module 241 and the monitoring module 242, the heating wire 247 is activated to generate heat, and then the rotating fan blades 246 blow the heat towards the data transmission module 241 and the monitoring module 242, thereby maintaining the temperature of the data transmission module 241 and the monitoring module 242 and preventing the internal temperature of the control board 4 from being too low and affecting the normal operation of the data transmission module 241 and the monitoring module 242, thereby improving the stability of the internal components of the control board 4.
[0037] In summary, when using this sleep therapy device with obstruction warning function, the user first lies on the sleep therapy bed 2, then the main body 1 of the sleep therapy device is activated. At this time, the body-sensing music module 3 inside the main body 1 plays hypnotic and relaxing music, thereby achieving resonance between different frequency music and human physiological waves. This can activate the brain in a short time, allowing the user to quickly obtain physical and mental pleasure and relaxation, thereby alleviating and treating sleep disorders. This is existing technology and will not be elaborated on further here. Furthermore, by activating the silent motor 5, the transmission rod 10 is driven to rotate, thereby unfolding the protective rod 11 to prevent the patient from falling off the sleep therapy bed 2 during treatment. In addition, the auxiliary mechanism 23 generates sound waves that are opposite to external noise to cancel them out, thereby forming a silent space around the sleep therapy bed 2 to prevent external noise from affecting sleep. The monitoring mechanism 24 provides airway obstruction warnings to the patient to prevent the patient's sleep disorders from worsening. The contents not described in detail in this description are existing technologies known to those skilled in the art.
[0038] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A sleep therapy instrument with a blockage warning function, comprising a sleep therapy instrument main body (1), a sleep therapy bed (2) and a somatosensory music module (3), characterized in that: The top of the main body (1) of the sleep therapy device is connected to the sleep therapy bed (2), and the main body (1) of the sleep therapy device is equipped with a somatosensory music module (3). The top side of the sleep therapy bed (2) is connected to a control board (4), and the side of the sleep therapy bed (2) away from the control board (4) is fixedly connected to a silent motor (5), and the output end of the silent motor (5) is connected to a first synchronous pulley (6).
2. The sleep therapy device with obstruction warning function according to claim 1, wherein: The first synchronous pulley (6) is internally connected to a worm (7), and the outer wall of the worm (7) is meshed with a worm wheel (8), and the worm wheel (8) is internally connected to a rotating rod (9), and the outer wall of the rotating rod (9) is connected to a transmission rod (10).
3. The sleep therapy device with obstruction warning function according to claim 2, wherein: The transmission rod (10) is rotatably connected to a protective rod (11) on the side away from the rotating rod (9), and a support rod (12) is rotatably connected to both sides of the bottom end of the protective rod (11). The side of the sleep therapy bed (2) close to the transmission rod (10) is connected to a limiting plate (13). The outer wall of the middle part of the worm gear (7) is sleeved with a first support seat (14), and the bottom end of the first support seat (14) is fixed to the sleep therapy bed (12).
4. A sleep therapy device with obstruction warning function according to claim 1, characterized in that: The first synchronous pulley (6) is connected to the second synchronous pulley (16) via a synchronous belt (15), and the second synchronous pulley (16) is connected to a connecting rod (17) inside, and the connecting rod (17) is connected to an extension plate (18) on the side near the second synchronous pulley (16), and a second support seat (19) is sleeved on the outer wall of the middle part of the connecting rod (17).
5. A sleep therapy device with obstruction warning function according to claim 4, characterized in that: The connecting rod (17) is connected to the first gear (20) on the side away from the second synchronous wheel (16), and the outer wall of the first gear (20) is meshed with the second gear (21). The outer wall of the sleep therapy bed (2) is equipped with a protective box (22) on the side away from the control board (4), and an auxiliary mechanism (23) is provided inside the protective box (22).
6. A sleep therapy device with obstruction warning function according to claim 5, characterized in that: The auxiliary mechanism (23) includes a screw (231), a threaded column (232), a lifting seat (233), a noise shield (234), a first guide rod (235), a second guide rod (236), and a top cover (237). The second gear (21) is internally connected to the screw (231), and the outer wall of the screw (231) is threadedly connected to the threaded column (232). The top of the threaded column (232) is connected to the lifting seat (233) through a bearing seat.
7. A sleep therapy device with obstruction warning function according to claim 6, characterized in that: The top of the lifting seat (233) is equipped with a noise shield (234), and the two sides of the outer wall of the lifting seat (233) are rotatably connected with a first guide rod (235), and the two sides of the middle part of the lifting seat (233) are rotatably connected with a second guide rod (236). The top of the second guide rod (236) and the first guide rod (235) are rotatably connected with a top cover (237).
8. A sleep therapy device with obstruction warning function according to claim 1, characterized in that: The control board (4) is equipped with a monitoring mechanism (24), which includes a data transmission module (241), a monitoring module (242), a wire (243), a probe (244), a silent motor (245), a rotating fan blade (246), a heating wire (247), and an audible and visual alarm (248). The control board (4) is equipped with a data transmission module (241) and a monitoring module (242) from top to bottom, and a wire (243) is connected to one side of the monitoring module (242).
9. A sleep therapy device with obstruction warning function according to claim 8, characterized in that: The side of the wire (243) away from the monitoring module (242) is connected to the probe head (244), the output end of the silent motor (245) is connected to the rotating fan blade (246), and the bottom end of the silent motor (245) is connected to the control board (4).
10. A sleep therapy device with obstruction warning function according to claim 8, characterized in that: The control board (4) has a heating wire (247) installed at the bottom inside, and an audible and visual alarm (248) is connected to one side of the outer wall of the control board (4).