Solar air ventilator for zero-carbon hotel

Abstract

The utility model discloses a zero carbon hotel solar energy air exchange device, including the air exchange fan carrier plate of being assembled in the ventilation opening department of zero carbon hotel roof, the air exchange frame is assembled to the air exchange mouth department of air exchange fan carrier plate, the front side both ends of air exchange fan carrier plate and zero carbon hotel roof between assembled limit mechanism, the top rear side both ends of zero carbon hotel roof all assembled with fixed lock block, the rear wall both ends of air exchange fan carrier plate all installed with fixed lock pole, the setting of this zero carbon hotel solar energy air exchange device, the structure design is reasonable, and this zero carbon hotel solar energy air exchange device is equipped with solar panel in the top of air exchange frame, and the drive mechanism of air exchange fan and solar mechanism electric connection, utilize solar energy conversion electric energy drive air exchange fan work, realize zero carbon emission, fit the green environmental protection concept of zero carbon hotel, reduce hotel operation cost, improve energy utilization efficiency.

Description

Technical Field

[0001] This utility model relates to the field of ventilation device technology, specifically a zero-carbon hotel solar ventilation device. Background Technology

[0002] With increasing global attention to environmental protection and sustainable development, zero-carbon hotels, as an important embodiment of green principles, have received widespread attention. In the construction and operation of zero-carbon hotels, effectively reducing energy consumption and carbon emissions has become a key issue. As a crucial component of the hotel's ventilation system, the performance of ventilation devices directly affects indoor air quality and energy efficiency. Currently, most ventilation devices in zero-carbon hotels rely on traditional electric power, which not only increases operating costs but also contradicts the zero-carbon concept. Furthermore, traditional ventilation devices suffer from complex structures, inconvenient installation, and poor stability during installation, and lack effective protection for installed components. Long-term use can lead to loosening and wear, affecting ventilation efficiency and the device's lifespan. Therefore, there is an urgent need to develop an energy-saving, environmentally friendly, easy-to-install, and highly stable solar-powered ventilation device to meet the development needs of zero-carbon hotels. Utility Model Content

[0003] The purpose of this invention is to provide a zero-carbon hotel solar ventilation device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a zero-carbon hotel solar ventilation device, comprising a ventilation fan carrier plate installed at the ventilation opening of the zero-carbon hotel roof, wherein a ventilation frame is installed at the ventilation opening of the ventilation fan carrier plate; a limiting mechanism is installed between the front two ends of the ventilation fan carrier plate and the zero-carbon hotel roof; a fixing locking block is installed at both rear ends of the top of the zero-carbon hotel roof, and a fixing locking rod is installed at both ends of the rear side wall of the ventilation fan carrier plate; a fixing locking hole is opened on the front side wall of the fixing locking block, and the fixing locking rod is inserted into the fixing locking hole; an elastic pad is fitted on the outside of the fixing locking rod, and the elastic pad is fitted against the inner wall of the fixing locking hole.

[0005] As a preferred embodiment of the zero-carbon hotel solar ventilation device of this utility model, the limiting mechanism includes swing rods mounted on both ends of the front side of the ventilation fan carrier plate and a fastening plate installed on the top of the zero-carbon hotel roof. The front end of the swing rod is equipped with a limiting plate, and the limiting plate is fastened to the upper end of the fastening plate.

[0006] As a preferred embodiment of the zero-carbon hotel solar ventilation device of this utility model, the bottom two sides of the limiting plate are equipped with insert blocks, the top two sides of the fastening plate are provided with slots, the insert blocks are inserted into the slots, the bottom two sides of the swing rod are equipped with shaft seats, the upper end of the limiting plate is provided with a fixing port, one side of the shaft seat is installed on the ventilation fan carrier plate, and the other side of the shaft seat is installed in the fixing port.

[0007] In a preferred embodiment of this zero-carbon hotel solar ventilation device, the bottom end of the insert block is fitted with a cone head.

[0008] As a preferred embodiment of the zero-carbon hotel solar ventilation device of this utility model, the elastic pad layer has a filling cavity inside, and an arched elastic element is assembled inside the filling cavity.

[0009] As a preferred embodiment of the zero-carbon hotel solar ventilation device of this utility model, the ventilation frame is equipped with a ventilation fan inside, a solar panel is equipped at the top of the ventilation frame, a solar energy mechanism is equipped on the ventilation fan carrier plate, and the drive mechanism of the ventilation fan is electrically connected to the solar energy mechanism.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the zero-carbon hotel solar ventilation device has a reasonable structural design;

[0011] This zero-carbon hotel solar ventilation system uses solar panels mounted on the top of the ventilation frame, with the ventilation fan drive mechanism electrically connected to the solar panel mechanism. It converts solar energy into electrical energy to drive the ventilation fan, achieving zero carbon emissions. This aligns with the green and environmentally friendly concept of zero-carbon hotels, reduces hotel operating costs, and improves energy efficiency.

[0012] The limiting mechanism on the front side of the ventilation fan carrier plate includes a swing rod, a limiting plate, and a fastening plate. The fastening of the limiting plate and the fastening plate, as well as the insertion of the plug and the slot, enable quick positioning. The fixing block and the fixing rod on the rear side cooperate with each other. The fixing rod is inserted into the fixing lock hole, and the elastic pad fits against the inner wall of the fixing lock hole, making the ventilation fan carrier plate easy and stable to install and effectively preventing the device from loosening during use.

[0013] The elastic pad layer on the outside of the fixed locking rod, with the arched elastic element installed in the internal filling cavity, can absorb energy through the elastic deformation of the arched elastic element when the device is subjected to external impact or vibration, reduce wear between the fixed locking rod and the fixed locking hole, extend the service life of the device, and further improve the stability of the device. Attached Figure Description

[0014] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;

[0015] Figure 2This is a schematic diagram of the limiting mechanism of this utility model;

[0016] Figure 3 This is a schematic diagram of the fixing lock block and fixing lock rod of this utility model;

[0017] Figure 4 This is a schematic diagram of the elastic padding layer of this utility model.

[0018] In the diagram: 1. Zero-carbon hotel roof; 2. Ventilation fan carrier plate; 3. Fixing lock block; 4. Ventilation frame; 5. Ventilation fan; 6. Solar panel; 7. Limiting mechanism; 8. Limiting plate; 9. Fastening plate; 10. Swing rod; 11. Shaft seat; 12. Fixing port; 13. Insert block; 14. Cone head; 15. Slot; 16. Arched elastic element. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 This utility model provides a technical solution:

[0021] In this technical solution, a zero-carbon hotel solar ventilation device includes a ventilation fan carrier plate 2 installed at the ventilation opening of the zero-carbon hotel roof 1, and a ventilation frame 4 installed at the ventilation opening of the ventilation fan carrier plate 2; a limiting mechanism 7 is installed between the front two ends of the ventilation fan carrier plate 2 and the zero-carbon hotel roof 1; a fixing locking block 3 is installed at both ends of the top rear side of the zero-carbon hotel roof 1, and a fixing locking rod 17 is installed at both ends of the rear side wall of the ventilation fan carrier plate 2; a fixing locking hole 18 is opened on the front side wall of the fixing locking block 3, and the fixing locking rod 17 is inserted into the fixing locking hole 18; an elastic pad 20 is fitted on the outside of the fixing locking rod 17, and the elastic pad 20 is fitted against the inner wall of the fixing locking hole 18.

[0022] Ventilation fan carrier plate: Typically made of high-strength aluminum alloy, this material boasts excellent corrosion resistance and high strength, enabling it to stably support the ventilation frame and subsequent installed ventilation fans over a long period. Its dimensions are customized based on the actual specifications of the roof ventilation openings in the zero-carbon hotel, generally 2-3 meters in length, 1-1.5 meters in width, and approximately 5-8 millimeters in thickness, ensuring sufficient load-bearing capacity. The connection between the ventilation fan carrier plate and the roof ventilation opening can be achieved by pre-setting mounting grooves at the edge of the ventilation opening. The edge of the ventilation fan carrier plate is embedded into the mounting groove, and the gaps are filled with sealing strips to ensure a tight seal at the connection, preventing air leakage and thus improving ventilation efficiency.

[0023] Ventilation frame: Made of stainless steel, it effectively resists corrosion from rain and humid air in outdoor environments, extending its service life. The internal dimensions of the ventilation frame are designed to closely fit the shape and specifications of common exhaust fans, with a height generally maintained at 20-30 cm, ensuring smooth operation after installation. The ventilation openings on all four sides are tightly sealed to the exhaust fan carrier plate using sealing strips to prevent air leakage. To enhance structural stability, the ventilation frame and exhaust fan carrier plate are connected using bolts. Bolt holes are provided at corresponding positions on both the ventilation frame and the exhaust fan carrier plate, and high-strength bolts are tightened to ensure a secure connection.

[0024] In a real-world installation case at a zero-carbon hotel, the ventilation fan carrier plate was made of an aluminum alloy plate measuring 2.5 meters long, 1.2 meters wide, and 6 millimeters thick. After installation, it remained stable despite numerous strong winds. The ventilation frame is made of 25-centimeter-high stainless steel, paired with sealing strips. Professional testing showed an air leakage rate of less than 5%, significantly improving the overall performance of the ventilation system.

[0025] Vibration damping pads can be installed on the ventilation fan carrier plate to reduce the transmission of vibrations generated during ventilation fan operation to the roof, thereby reducing the impact of noise on the hotel interior. The damping pads can be made of rubber, with a thickness of approximately 5-10 mm, and are evenly distributed at the contact points between the ventilation fan carrier plate and the ventilation frame. Simultaneously, for convenient maintenance and repair, an easily accessible access panel can be provided on the ventilation fan carrier plate. This access panel uses a hinged design and is sealed to the ventilation fan carrier plate with a sealing strip to ensure that the overall airtightness is not compromised.

[0026] The insert is a rectangular structure, approximately 5-8 cm long, and 2-3 cm wide and high, made of high-hardness stainless steel. It is securely welded to both sides of the bottom of the limiting plate. The slot is precisely matched to the insert, with a depth of 4-6 cm, ensuring that the insert will not wobble after insertion, further enhancing the limiting effect. The matching method between the insert and the slot allows for more precise positioning of the limiting plate during engagement, avoiding installation deviations caused by wobbling.

[0027] The bearing seat is made of cast steel and is bolted to the mounting holes of the ventilation fan carrier plate and the limiting plate, respectively. High-precision bearings are installed inside the bearing seat, ensuring smooth rotation of the swing arm within the seat, reducing rotational resistance, facilitating installation and disassembly, and ensuring the reliability of the limiting mechanism during long-term use. A lubrication device, such as applying lubricating oil or installing an grease nipple, can be installed at the connection between the bearing seat and the swing arm for regular lubrication maintenance, extending the service life of both the bearing seat and the swing arm.

[0028] In actual installation, a 6 cm long, 2.5 cm wide, and 2.5 cm high insert was used in conjunction with a 5 cm deep slot, which reduced installation time by approximately 30% compared to the insert-less slot design. The shaft seat, made of cast steel and internally fitted with high-precision bearings, remained flexible and showed no jamming after 5000 rotation tests.

[0029] To facilitate insertion of the insert into the slot, a guide ramp can be installed at the slot entrance. The angle of the guide ramp is generally 30-45 degrees, making it easier to align the insert with the slot and further improving installation efficiency. Simultaneously, to prevent the insert from wobbling within the slot, a spring retainer can be installed on the inner wall of the slot. When the insert is inserted, the spring retainer firmly holds the insert, enhancing connection stability. The spring retainer can be made of spring steel, with an inner diameter slightly smaller than the outer diameter of the insert, and is installed in the middle of the inner wall of the slot.

[0030] Made of cast steel and machined, it possesses high strength and stability. Its dimensions are designed according to the specifications of the fixing rod, with a length of approximately 8-12 cm, a width of approximately 6-8 cm, and a thickness of 5-7 cm. It is securely fixed to both ends of the rear of the roof of the zero-carbon hotel using expansion bolts. The fixing hole is a cylindrical through hole with a diameter slightly larger than the outer diameter of the fixing rod, with a tolerance controlled within ±0.5 mm, ensuring that the fixing rod can be smoothly inserted without excessive looseness. The surface of the fixing block can be treated with rust prevention, such as spraying rust-proof paint or galvanizing, to extend its service life.

[0031] Made of high-strength alloy steel, it is 10-15 cm long and 8-10 cm in diameter. One end is fixed to the pre-set mounting positions on both sides of the rear side wall of the ventilation fan carrier plate by welding or threaded connection. The mounting positions are reinforced to withstand the tensile force of the fixing rod during the fixing process. After the fixing rod is inserted into the fixing lock hole, it can effectively restrict the rearward movement of the ventilation fan carrier plate. Together with the limiting mechanism on the front side, it can ensure that the ventilation fan carrier plate is stably installed on the zero-carbon hotel roof. To facilitate the insertion of the fixing rod into the fixing lock hole, a chamfer can be set at the front end of the fixing rod, with a chamfer angle of 30-45 degrees.

[0032] In actual installation cases, a 12 cm long and 9 cm diameter fixing rod was used in conjunction with a 10 cm long, 7 cm wide and 6 cm thick fixing block. After a year of actual use, the ventilation fan carrier plate remained stable and did not loosen after experiencing many strong winds and rainstorms.

[0033] To prevent the locking rod from wobbling within the locking hole, a positioning protrusion can be installed on the locking rod. The outer diameter of the positioning protrusion is slightly larger than the inner diameter of the locking hole. When the locking rod is inserted into the locking hole, the positioning protrusion engages at the entrance, providing positioning and preventing wobbling. The positioning protrusion can be welded to the locking rod, approximately 2-3 cm from the front end. Simultaneously, locking devices can be installed on the locking block and the locking rod. For example, threaded holes can be drilled on the side of the locking block to install fastening bolts. After the locking rod is inserted into the locking hole, tightening the fastening bolts will hold the locking rod in place, preventing accidental disengagement.

[0034] In some technical solutions, the limiting mechanism 7 includes swing rods 10 mounted on both ends of the front side of the ventilation fan carrier plate 2 and a fastening plate 9 installed on the top of the zero-carbon hotel roof 1. The front end of the swing rod 10 is equipped with a limiting plate 8, which is fastened to the upper end of the fastening plate 9. Insert blocks 13 are installed on both sides of the bottom end of the limiting plate 8, and slots 15 are opened on both sides of the top end of the fastening plate 9. The insert blocks 13 are inserted into the slots 15. The bottom ends of the swing rod 10 are equipped with bearing seats 11, and a fixing port 12 is opened at the upper end of the limiting plate 8. One bearing seat 11 is installed on the ventilation fan carrier plate 2, and the other bearing seat 11 is installed in the fixing port 12.

[0035] The swing arm is typically made of a 10-15 mm diameter stainless steel rod, possessing high strength and toughness, and is not easily bent. Its length is approximately 30-40 cm. One end is securely fixed to pre-set mounting seats on both sides of the front of the ventilation fan carrier plate via welding or bolting. The mounting seats and the ventilation fan carrier plate can be integrally formed or tightly fixed with high-strength bolts to ensure a stable and reliable connection. The swing arm can rotate flexibly around the mounting seat, thereby enabling the engagement and disengagement of the limit plate, facilitating the installation and removal of the ventilation fan carrier plate.

[0036] The fastening plate and the limiting plate: The fastening plate is made of 5-8 mm thick steel plate, stamped and formed, and after rust prevention treatment, welded to a predetermined position at the top of the zero-carbon hotel roof. The limiting plate, approximately 15-20 cm in diameter, is also made of stainless steel and is welded to the front end of the swing rod. When the swing rod rotates and the limiting plate engages with the upper end of the fastening plate, it effectively restricts the forward movement of the ventilation fan carrier plate, ensuring the accuracy of the device's installation position. The contact surfaces of the fastening plate and the limiting plate can be treated with anti-slip materials, such as anti-slip textures or anti-slip rubber pads, to enhance the stability after fastening.

[0037] In the simulated installation test, a swing rod with a diameter of 12 mm and a length of 35 cm was used, along with a limit plate with a diameter of 18 cm and a fastening plate with a thickness of 6 mm. After 100 installation and disassembly operations, the limit mechanism was still able to work normally, and the positional deviation of the ventilation fan carrier plate after installation was controlled within 5 mm, which fully verified the reliability and accuracy of the limit mechanism.

[0038] To prevent the swing arm from loosening due to frequent rotation during long-term use, a lock nut can be installed at the connection between the swing arm and the mounting base. The lock nut is a nylon insert nut; tightening it ensures a tight fit between the nylon insert and the screw, generating friction and effectively preventing loosening. Furthermore, positioning marks can be added to the limit plate and the fastening plate, such as arrows at corresponding positions on the bottom of the limit plate and the top of the fastening plate, to facilitate quick and accurate fastening operations by installers, improving installation efficiency.

[0039] In some technical solutions, the bottom end of the insert 13 is equipped with a cone head 14.

[0040] In this technical solution, the cone head is made of cemented carbide, possessing extremely high hardness and wear resistance, capable of withstanding the friction and impact forces during insertion. Its cone angle is typically designed to be 30-60 degrees; this sharp design allows the insert to automatically align when inserted into the slot, reducing installation difficulty. Even with some deviation during installation, the cone head can guide the insert smoothly into the slot, improving installation efficiency. During insertion, the cone head contacts the slot first, concentrating the insertion force on a smaller area, making it easier to penetrate any dust or impurities, ensuring the insert smoothly enters the slot.

[0041] In actual installation tests, the installation time of the insert with the cone tip was reduced by approximately 40% compared to the design without the cone tip. After 1000 insertion and removal tests, the cone tip maintained its good shape and showed no obvious wear, proving its durability.

[0042] To further improve the guiding effect of the cone head, spiral grooves can be set on its surface, with a pitch of 1-2 mm. When the insert is inserted into the slot, the spiral grooves guide airflow, reducing air resistance and also providing a certain degree of self-cleaning, preventing dust and other impurities from accumulating in the cone head and slot. Furthermore, a sensing device, such as a pressure sensor, can be installed inside the cone head. When the insert is fully inserted into the slot, the pressure sensor detects the pressure change and transmits it wirelessly to the installer, indicating that installation is complete and preventing insecure installation due to incomplete insertion.

[0043] In some technical solutions, the elastic pad 20 has a filling cavity 19 inside, and an arched elastic element 16 is assembled inside the filling cavity 19.

[0044] Made of rubber, it possesses excellent elasticity and wear resistance. Its inner diameter fits tightly with the outer diameter of the fixing rod, with the outer diameter slightly larger than the inner diameter of the fixing lock hole. During installation, a certain amount of compression deformation ensures the elastic padding adheres tightly to the inner wall of the fixing lock hole. The thickness of the elastic padding is typically 3-5 mm, effectively buffering the impact force between the fixing rod and the fixing lock hole, reducing wear. The rubber elastic padding also provides good sealing properties, preventing dust, rainwater, and other impurities from entering the fixing lock hole and affecting the fixing effect.

[0045] The internal filling cavity of the elastic pad is circular or elliptical, with a diameter or major axis of 10-15 mm and a minor axis of 8-12 mm. The arched elastic elements are made of spring steel; their arched structure absorbs energy through elastic deformation when the device is subjected to external impact or vibration, effectively reducing wear between the fixing rod and the fixing lock hole. The arched elastic elements are evenly distributed within the filling cavity, typically 3-5 in number, to ensure that the elastic pad provides good cushioning in all directions.

[0046] Experimental tests showed that the device equipped with the elastic padding layer exhibited approximately 60% less wear on the fixing rod and fixing lock hole after simulating 1000 cycles of strong wind vibration compared to the device without the elastic padding layer. After one year of actual use, inspection revealed that the elastic padding layer still maintained good elasticity, with no obvious signs of aging or damage.

[0047] To enhance the cushioning effect of the elastic pad, wavy protrusions can be incorporated into its surface. These protrusions have a height of 1-2 mm and a wavelength of 5-8 mm. When the device is subjected to external impact, these protrusions can deform further, absorbing more energy. Simultaneously, damping material, such as silicone, can be filled into the cavity. This, combined with the arched elastic element, further improves the shock absorption of the elastic pad. The damping material dissipates vibrational energy, allowing the device to recover stability more quickly after an impact.

[0048] In some technical solutions, the ventilation frame 4 is equipped with a ventilation fan 5, the top of the ventilation frame 4 is equipped with a solar panel 6, the ventilation fan carrier plate 2 is equipped with a solar energy mechanism, and the drive mechanism of the ventilation fan 5 is electrically connected to the solar energy mechanism.

[0049] Axial flow ventilation fans are generally selected, with their diameter chosen based on the internal dimensions of the ventilation frame, typically 30-50 cm. Power ranges from 100-300 watts, with the specific power determined based on the hotel room area and ventilation requirements. Under standard operating conditions, this ventilation fan can achieve an air exchange rate of 300-500 cubic meters per hour, effectively meeting the indoor ventilation needs of hotels. The ventilation fan is bolted to a pre-installed mounting bracket inside the ventilation frame. The mounting bracket is integrally formed with the ventilation frame or welded securely, ensuring the stability of the ventilation fan during operation.

[0050] Using monocrystalline silicon solar panels, the conversion efficiency can reach 20%-25% or higher. The size is customized according to the top area of ​​the ventilation frame, generally 1-2 square meters. Under sufficient sunlight (sunlight intensity reaching 1000W / ㎡), the output power of each square meter of solar panel is approximately 200-250 watts, which can meet the normal operation requirements of the ventilation fan. Excess electricity can be stored through the energy storage device in the solar structure for use at night or when sunlight is insufficient. The solar panels are fixed to the top of the ventilation frame using special mounting clamps made of aluminum alloy, which are anodized for good corrosion resistance.

[0051] The system includes components such as a controller, inverter, and energy storage battery. The controller intelligently adjusts power distribution based on the output voltage and current of the solar panels and the operating status of the ventilation fans, ensuring stable system operation. The inverter converts the direct current (DC) generated by the solar panels into alternating current (AC) to power the ventilation fans. The energy storage battery typically uses lithium batteries with a capacity of 10-20 Ah, capable of maintaining ventilation fan operation for approximately 2-4 hours in the absence of sunlight, ensuring continuous indoor ventilation in the hotel. The energy storage battery is installed in a dedicated battery box located beneath the ventilation fan's mounting plate. The battery box is fireproof, waterproof, and dustproof, ensuring safe and stable battery operation.

[0052] In the actual operation of a zero-carbon hotel, a 40cm diameter, 200W ventilation fan was selected, paired with a 1.5 square meter monocrystalline silicon solar panel. On sunny summer days, the solar panel generates an average of 3-4 kWh of electricity per day, fully meeting the ventilation fan's 24-hour operating needs, and also storing 1-2 kWh of electricity in the energy storage battery daily. At night or on cloudy days, the energy storage battery ensures the ventilation fan can run continuously for about 3 hours, maintaining consistently good indoor air quality.

[0053] To improve the power generation efficiency of solar panels, automatic sun-tracking devices can be installed. These devices use photosensors to detect the sun's position and drive a motor to rotate the solar panel, ensuring it remains perpendicular to the sunlight and maximizing solar energy absorption. Automatic sun-tracking devices can increase the power generation efficiency of solar panels by approximately 15%-20%. Simultaneously, to prevent damage to the ventilation fan from foreign objects during operation, a protective mesh made of stainless steel with a mesh size of 5-10 mm can be installed at the ventilation frame inlet. This effectively blocks foreign objects without affecting ventilation.

[0054] I. Installation process and principle of the device

[0055] (I) Preliminary Preparations

[0056] Before installation, the ventilation fan carrier plate 2 is customized according to the size of the ventilation opening 1 on the roof of the zero-carbon hotel. It is made of high-strength aluminum alloy and typically measures 2-3 meters long, 1-1.5 meters wide, and 5-8 millimeters thick. Simultaneously, a stainless steel ventilation frame 4 is prepared, approximately 20-30 centimeters high, with an internal space suitable for common ventilation fan 5 specifications. Fixing blocks 3, made of cast steel, are installed at both ends of the rear top of the roof 1. These blocks are 8-12 centimeters long, 6-8 centimeters wide, and 5-7 centimeters thick and are fixed with expansion bolts. The diameter of the fixing locking hole 18 on the front side wall is slightly larger than the outer diameter of the fixing locking rod 17 (tolerance ±0.5 millimeters). A fastening disc 9, a 5-8 millimeter thick stamped steel plate, is installed at the top of the roof 1 to cooperate with the limiting mechanism 7.

[0057] (ii) Installation of limit mechanism

[0058] One end of the swing rod 10 (a stainless steel round rod with a diameter of 10-15 mm and a length of 30-40 cm) is mounted on the mounting seats at both ends of the front side of the ventilation fan carrier plate 2 via the bearing seat 11. The mounting seats can be integrally formed with the carrier plate or fixed with bolts. A limiting plate 8 (a stainless steel plate with a diameter of 15-20 cm) is welded to the front end of the swing rod 10. Insert blocks 13 (stainless steel cuboids with a length of 5-8 cm and a width and height of 2-3 cm) are installed on both sides of the bottom end of the limiting plate 8. A cone head 14 (a hard alloy with a cone angle of 30-60 degrees) is fitted to the bottom end of the insert block 13. During installation, the limiting plate 8 is aligned with the fastening plate 9. Since the cone head 14 at the bottom end of the insert block 13 has an automatic centering function, the installation difficulty can be reduced, allowing the insert block 13 to be smoothly inserted into the slots 15 (4-6 cm deep) on both sides of the top of the fastening plate 9, thus achieving the initial positioning of the front side of the ventilation fan carrier plate 2. At this time, the bearing seat 11 at the other end of the swing rod 10 is inserted into the fixing port 12 at the upper end of the limiting plate 8 to ensure that the swing rod 10 is firmly connected and to restrict the ventilation fan carrier plate 2 from moving forward.

[0059] (III) Installation of fixed locking block and fixed locking rod

[0060] Fixing rods 17 (10-15 cm long, 8-10 cm in diameter, high-strength alloy steel rods) are installed at both ends of the rear side wall of the ventilation fan carrier plate 2. One end is fixed to the pre-set reinforcement part of the carrier plate by welding or threaded connection. An elastic pad 20 (rubber material, 3-5 mm thick, with an inner diameter that fits tightly with the outer diameter of the fixing rod, and the outer diameter is slightly larger than the inner diameter of the fixing lock hole 18) is fitted on the outside of the fixing rod 17. The inner filling cavity 19 of the elastic pad 20 (diameter or long axis 10-15 mm, short axis 8-12 mm) is filled with 3-5 arched elastic elements 16 (spring steel material). The fixing rod 17 is inserted into the fixing lock hole 18 of the fixing block 3. After the elastic pad 20 is compressed and deformed, it fits tightly against the inner wall of the fixing lock hole 18. When the arched elastic element 16 is subjected to external impact or vibration, it absorbs energy through elastic deformation, reduces the wear between the fixing rod 17 and the fixing lock hole 18, and restricts the ventilation fan carrier plate 2 from moving backward. Together with the front limiting mechanism, it makes the ventilation fan carrier plate 2 firmly installed on the roof 1.

[0061] (iv) Installation of ventilation frame and internal components

[0062] A ventilation frame 4 is installed at the ventilation port of the ventilation fan carrier plate 2, and the two are bonded together with sealing strips and secured with bolts. A ventilation fan 5 (common axial flow ventilation fan, 30-50 cm in diameter, 100-300 watts power) is installed inside the ventilation frame 4 and secured to a pre-installed mounting bracket inside the ventilation frame 4 with bolts. A solar panel 6 (monocrystalline silicon material, 1-2 square meters in area, conversion efficiency 20%-25% or higher) is secured to the top of the ventilation frame 4 using aluminum alloy mounting clamps. A solar energy system, including a controller, inverter, and energy storage battery (lithium battery, capacity 10-20 Ah), is then assembled on the ventilation fan carrier plate 2.

[0063] II. Operation Process and Principle of the Device

[0064] (I) Principle of ventilation

[0065] Once the device is started, the ventilation fan 5 begins to operate. Taking a 200-watt, 40-centimeter-diameter axial flow ventilation fan as an example, under standard operating conditions, its air exchange rate can reach 300-500 cubic meters per hour. The ventilation fan 5 drives airflow through rotating blades, drawing in stale air from the hotel room through the ventilation frame 4 and expelling it outdoors through the ventilation port of the ventilation fan carrier plate 2; simultaneously, it draws in fresh outdoor air, achieving air replacement, meeting the hotel's indoor ventilation needs, and ensuring indoor air quality.

[0066] (II) Principles of Energy Supply

[0067] Under sunlight (approximately 200-250 watts per square meter when sunlight intensity reaches 1000W / ㎡), solar panel 6 converts solar energy into direct current (DC) through the photoelectric effect. The generated DC is transmitted to the controller within the solar panel mechanism. The controller intelligently adjusts power distribution based on the output voltage and current of solar panel 6 and the operating status of ventilation fan 5. When solar panel 6 generates sufficient power, it directly powers the drive mechanism of ventilation fan 5. Excess power is converted to alternating current (AC) by an inverter and stored in the energy storage battery. At night or when sunlight is insufficient, the energy storage battery releases the stored energy, which is then converted back to AC by the inverter to power ventilation fan 5, ensuring its continuous operation and maintaining consistent indoor ventilation in the hotel.

[0068] (III) Principles of Auxiliary Functions

[0069] Vibration and noise reduction: The rubber vibration damping pads (5-10 mm thick) installed on the ventilation fan carrier plate 2 can effectively absorb the vibration generated when the ventilation fan 5 is running, reduce the transmission of vibration to the roof 1, and thus reduce the impact of noise on the hotel interior.

[0070] Automatic solar tracking: The automatic solar tracking device on the solar panel 6 detects the sun's position in real time through a photosensitive sensor. When the sun's position changes, the drive motor rotates the solar panel 6 to keep it perpendicular to the sunlight, thus improving the absorption efficiency of solar energy. Compared with no solar tracking device, it can increase the power generation efficiency by about 15%-20%.

[0071] Protective function: The stainless steel protective mesh (mesh size 5-10 mm) at the inlet of the ventilation frame 4 can effectively block foreign objects such as leaves and birds from entering, preventing the ventilation fan 5 from being damaged by foreign objects, while not affecting the ventilation effect.

[0072] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0073] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A zero-carbon hotel solar ventilation device, comprising a ventilation fan carrier plate (2) mounted at the ventilation opening of the zero-carbon hotel roof (1), characterized in that, The ventilation frame (4) is installed at the ventilation port of the ventilation fan carrier plate (2). Limiting mechanisms (7) are installed between the front two ends of the ventilation fan carrier plate (2) and the zero-carbon hotel roof (1). The top rear ends of the zero-carbon hotel roof (1) are equipped with fixing blocks (3), and the rear ends of the ventilation fan carrier plate (2) are equipped with fixing rods (17). The front side wall of the fixed locking block (3) is provided with a fixed locking hole (18), and the fixed locking rod (17) is inserted into the fixed locking hole (18); The outer side of the fixed locking rod (17) is fitted with an elastic pad (20), which is fitted to the inner wall of the fixed locking hole (18).

2. The zero-carbon hotel solar ventilation device according to claim 1, characterized in that, The limiting mechanism (7) includes swing rods (10) mounted on both ends of the front side of the ventilation fan carrier plate (2) and a fastening plate (9) installed on the top of the zero-carbon hotel roof (1). The front end of the swing rod (10) is equipped with a limiting plate (8), which is fastened to the upper end of the fastening plate (9).

3. A zero-carbon hotel solar ventilation device according to claim 2, characterized in that, The bottom two sides of the limiting plate (8) are equipped with inserts (13), the top two sides of the fastening plate (9) are provided with slots (15), the inserts (13) are inserted into the slots (15), the bottom two sides of the swing rod (10) are equipped with bearing seats (11), the upper end of the limiting plate (8) is provided with a fixing port (12), one side of the bearing seat (11) is installed on the ventilation fan carrier plate (2), and the other side of the bearing seat (11) is installed in the fixing port (12).

4. A zero-carbon hotel solar ventilation device according to claim 3, characterized in that, The bottom end of the insert (13) is fitted with a cone (14).

5. A zero-carbon hotel solar ventilation device according to claim 1, characterized in that, The elastic pad (20) has a filling cavity (19) inside, and an arched elastic element (16) is assembled inside the filling cavity (19).

6. A zero-carbon hotel solar ventilation device according to claim 1, characterized in that, The ventilation frame (4) is equipped with a ventilation fan (5), the top of the ventilation frame (4) is equipped with a solar panel (6), the ventilation fan carrier plate (2) is equipped with a solar energy mechanism, and the drive mechanism of the ventilation fan (5) is electrically connected to the solar energy mechanism.

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