Textile air-conditioning intelligent sand-proof window
By introducing an automated monitoring and replacement mechanism into the sand-proof window, the problem of the filter cloth being unable to be automatically replaced is solved, automatic replacement and status optimization of the filter cloth are achieved, the maintenance efficiency and system stability of the sand-proof window are improved, and operating costs are reduced.
Patent Information
- Application Number
- CN202511162957.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-19
- Publication Date
- 2025-10-10
AI Technical Summary
The existing sand-proof window filter cloth cannot be automatically replaced, resulting in low maintenance efficiency and high operating costs. When the filter cloth is blocked, it will cause poor ventilation or reduced filtration efficiency.
A smart sand-proof window for textile air conditioners was designed, which includes a sand-proof frame, filter cloth, a guide mechanism, an airflow sensor, a replacement mechanism, and a controller. The window automatically adjusts the filter cloth angle or position by real-time monitoring of airflow changes, and automatically replaces the filter cloth when it is blocked. The replacement mechanism is triggered by changes in the suction of the air-conditioning system, and impurities are cleaned by an air jet pipe to achieve automatic replacement and protection of the filter cloth.
It realizes automatic replacement of filter cloth, reduces manual intervention, improves maintenance efficiency, reduces operating costs, ensures that the filter cloth is always in the best condition, avoids poor ventilation or decreased filtration efficiency, and responds to wind pressure changes through a graded response mechanism, thereby improving the stability and reliability of the system.
Smart Images

Figure CN120759523A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of sand-proof windows, and in particular relates to an intelligent sand-proof window for a textile air conditioner. Background Art
[0002] The current air-conditioning room has fresh air windows, and each air-conditioning room has a window with a filter bag. In dusty weather, the fresh air windows without filter bags can only be closed manually, resulting in large fluctuations in air-conditioning temperature and humidity. The current fresh air windows are designed on the first floor of the workshop. Almost all fresh air windows in the park are close to the road. In windy weather, dust from passing vehicles will be sucked into the air-conditioning room through the fresh air windows, causing pollution to the inhaled fresh air.
[0003] Currently, the existing announcement number CN218624013U describes a sunshade with waterproof and drainage functions, including a shutter frame, a shutter reversing assembly, waterproof rubber pads, a motor, and a conversion bracket. The shutter reversing assembly is fixed inside the shutter frame, and waterproof rubber pads are fixed to the inside of the shutter frame at the four corners of the shutter reversing assembly. The motor is also fixed to the shutter frame. This sunshade with waterproof and drainage functions features curved shutters with angled diversions to facilitate drainage and sand control. Waterproof rubber pads are designed at the window frame connection to facilitate waterproofing. The lower frame has an angled diversion design to facilitate drainage and sand control. The deflector has an angled diversion design to facilitate drainage and sand control. The shutter reversing assembly has a shaft sleeve to reduce noise and wear. The upper frame has a sunshade, which completely prevents light leakage from the top, bottom, left, and right when the system is closed, providing excellent sunshade effect. The shutters are fixed with self-tapping screws, making the changes firm and aesthetically pleasing. The shutters have fixing slots to ensure high strength of the entire blade.
[0004] But there is also a problem: the device cannot automatically replace the filter cloth. Summary of the Invention
[0005] This solution provides an intelligent sand-proof window for a textile air conditioner, which is used to solve the problem that the filter cloth of the existing sand-proof window cannot be automatically replaced.
[0006] This solution provides a textile air-conditioning intelligent sand-proof window, including:
[0007] Anti-sand frame;
[0008] Filter cloth: The filter cloth is arranged in the anti-sand frame;
[0009] Diversion mechanism: used to adjust the ambient wind pressure on the filter cloth;
[0010] Airflow sensor: used to monitor the airflow in the connecting pipe;
[0011] Replacement mechanism: used to replace filter cloth;
[0012] Controller: The replacement mechanism and the controller are electrically connected.
[0013] This solution works as follows: A new filter cloth is installed inside the sandproof frame, and the airflow guide mechanism is adjusted to a preset position to optimize airflow distribution. The airflow sensor begins monitoring the incoming airflow, and the controller initializes and prepares to receive data. The outside air is first filtered through the filter cloth to remove particulate matter such as dust and sand.
[0014] Then it passes through the guide mechanism, which automatically adjusts the angle or position according to the changes in the ambient wind pressure to ensure that the airflow passes through the filter cloth evenly, avoiding local blockage or poor airflow, and preventing the filter cloth from being damaged due to excessive ambient wind pressure.
[0015] The airflow sensor continuously monitors changes in airflow velocity and pressure, transmitting this data to the controller in real time. If it detects a significant increase in airflow resistance (indicating possible filter cloth clogging) or a drop in airflow velocity below a preset threshold, the controller activates the filter replacement mechanism. This mechanism activates, removing the old filter cloth from the sand-proof frame and automatically installing the new one.
[0016] The benefits of this solution are: 1. Automatic filter cloth replacement reduces the need for manual intervention, improves maintenance efficiency, and reduces operating costs. 2. It ensures the filter cloth is always in optimal working condition, avoiding poor ventilation or reduced filtration efficiency caused by filter cloth blockage.
[0017] Furthermore, the replacement mechanism includes a driving member, a driving shaft and a driven shaft. The driving shaft cooperates with the driven shaft. The driven shaft is rotatably set at the upper end of the sand-proof frame. The driving shaft is rotatably set at the lower end of the sand-proof frame. One end of the filter cloth is fixedly connected to the driving shaft, and the other end is wound and fixed on the driven shaft. The driving member is used to drive the driving shaft to rotate.
[0018] A new filter cloth is pre-installed on the driven shaft, while the driving shaft is either empty or loaded with a small amount of pre-rolled filter cloth. The filter cloth acts as a filter as outside air passes through the sand-proof window. Over time, the filter cloth gradually accumulates dust and particulate matter, increasing airflow resistance.
[0019] The airflow sensor continuously monitors the airflow in the connecting pipe. When a significant increase in airflow resistance is detected (indicating a possible blockage in the filter cloth) or the airflow velocity drops below a preset threshold, the controller determines that the filter cloth needs to be replaced. The controller issues a command to activate the drive element. The drive element rotates the driving shaft, pulling the new filter cloth from the driven shaft, replacing the used filter cloth in the sand-proof frame. The used filter cloth is then drawn onto the driving shaft. When the new filter cloth is fully deployed and covers the entire filter area, the drive element stops.
[0020] This mechanism ensures that the filter cloth is always in the best working condition through real-time monitoring and automatic replacement, avoiding poor ventilation or reduced filtration efficiency caused by filter cloth blockage. Moreover, this mechanism can replace the filter cloth without stopping the machine.
[0021] Furthermore, cloth reels are fixed to the driving and driven shafts for winding up the filter cloth. This mechanism utilizes a simple and reliable design, reducing the possibility of mechanical failure. Furthermore, the coordination of the cloth reels on the driving and driven shafts ensures smooth transmission of the filter cloth, preventing problems such as jamming or breakage.
[0022] Furthermore, the guide mechanism includes guide blades, a guide frame and a rotating part. The guide frame is fixedly connected to the connecting pipe, and the guide frame cooperates with the filter cloth. There are multiple guide blades, and the multiple guide blades are linearly arranged in the guide frame. The guide blades are rotatably connected to the guide frame, and the rotating part is used to drive the guide blades to rotate.
[0023] During normal operation, the airflow guide blades open according to the preset angle, evenly distributing the airflow entering the connecting pipe to the entire working space; avoiding airflow concentration, improving ventilation efficiency, and reducing the load on the filter cloth per unit area.
[0024] When the external wind pressure is too high, the sand-proof frame cannot return to its position due to the external strong wind pressure; after receiving the timer signal, the controller starts the rotating part; the rotating part drives the guide vane to reduce the opening (close to closing), limit the air intake, and reduce the impact of wind pressure on the sand-proof frame; realize "active pressure reduction" to protect the filter cloth and mechanical structure.
[0025] Furthermore, it also includes a connecting pipe, the anti-sand frame is slidingly and sealingly connected to the connecting pipe, the driving part includes a rack, a gear, a reset part and a toggle part, the gear is rotatably connected to the anti-sand frame, the toggle part is fixedly connected to the driving shaft, a circle of ratchet is provided inside the gear, the toggle part cooperates with the ratchet, the rack is fixedly connected to the connecting pipe, the gear cooperates with the rack, and the reset part is used to reset the anti-sand frame.
[0026] The airflow sensor can determine whether the filter is clogged by the size of the airflow. However, due to the large amount of cotton wool and dust in the textile factory, it is easy to cause the airflow sensor to be blocked, making the airflow sensor ineffective and unable to replace the filter cloth.
[0027] The air conditioner of this scheme maintains a constant air intake volume. When the filter cloth is blocked, the air conditioner will increase the suction force on the filter cloth in order to inhale enough air. At this time, the anti-sand frame will be pulled by the larger suction force, causing the anti-sand frame to move inward. When the anti-sand frame moves, it will drive the gear to move. Because the gear is engaged with the gear, the gear will rotate forward when it moves. When the gear rotates, the ratchet will rotate. The rotation of the ratchet will contact the toggle piece, causing the toggle piece to rotate. The rotation of the toggle piece will drive the driving shaft to rotate. The rotation of the driving shaft will pull the new filter cloth out from the driven shaft to replace the used filter cloth in the anti-sand frame.
[0028] When the sand prevention frame is replaced with new filter cloth, the suction of the air conditioner decreases, and the sand prevention frame returns to the original position under the action of the reset member. When returning, the gear reverses, but since the ratchet does not drive the actuating member when reversing, the driving shaft does not rotate.
[0029] The present mechanism uses the suction change of the air conditioning system as a trigger mechanism to achieve automatic replacement of the filter cloth without the need for additional sensors or manual intervention.
[0030] Further, it further comprises a pressure switch, a timer and an alarm, the pressure switch is fixedly connected with the communication pipe, and the pressure switch is matched with the sand prevention frame, the alarm is arranged on the outer wall of the communication pipe, and the timer, the flow guide mechanism and the alarm are all connected with the controller.
[0031] There are two cases when the sand prevention frame moves inward: one is that the filter screen is blocked, and the suction of the air conditioner increases to pull the sand prevention frame to move. The other is that the external environmental wind pressure is too large, so that the sand prevention frame moves.
[0032] When the sand prevention frame moves inward, the filter cloth is automatically replaced, and the pressure switch is contacted, and the pressure switch sends an electric signal to the controller, and the controller starts the timer. If the sand prevention frame still does not return to the original position within the set time (0.5-1min), it means that the external wind pressure is too large, and the controller starts to control the flow guide mechanism to reduce the wind pressure.
[0033] If the sand prevention frame still does not return to the original position after the set time (0.5-1min), the timer sends an electric signal to the controller, and the controller controls the alarm to alarm, indicating that the equipment cannot operate normally.
[0034] The present mechanism realizes the upgrade from "passive treatment" to "active response" through hierarchical response: the first stage is to automatically replace the filter cloth (to deal with blockage); the second stage is to adjust the flow guide (to deal with wind pressure); the third stage is to alarm (system failure).
[0035] Further, the reset member comprises a cylinder and a first spring, the cylinder comprises a cylinder body, a push rod and a piston, the cylinder body is fixedly connected with the communication pipe, the piston is in sliding sealing connection with the cylinder body, one end of the first spring is fixedly connected with the piston, and the other end is fixedly connected with the cylinder body, one end of the push rod is fixedly connected with the piston, and the other end is fixedly connected with the sand prevention frame.
[0036] In the initial state, the piston is located at a certain position in the cylinder body, and the push rod is in an extended state, so that the sand prevention frame is kept in the normal working position. The first spring is in a slightly compressed or stretched state, providing a certain pre-tightening force to maintain the position stability of the sand prevention frame.
[0037] As dust and particulate matter accumulate on the filter cloth, increasing airflow resistance, the air conditioning system increases suction to draw in sufficient air. This increased suction pulls the sand shield inward, causing it to slide along the connecting pipe's sealing connection. This movement of the sand shield, through the push rod, drives the piston within the cylinder, further compressing or stretching the first spring.
[0038] As the sand-blocking frame moves, the gear begins to rotate forward, driving the drive shaft through the ratchet and toggle, deploying a new filter cloth and replacing the old one. Once the new filter cloth is fully deployed and covers the entire filter area, the suction force decreases. The first spring then pushes the piston, pushing the push rod, returning the sand-blocking frame to its original position.
[0039] The combination of the spring and the cylinder of this mechanism provides a stronger reset force, ensuring that the anti-sand frame can return to its position smoothly even under a large suction force or external wind pressure.
[0040] Furthermore, it also includes an air injection pipe, the connecting pipe is provided with a slag discharge port, the air injection pipe is fixedly connected to the sand prevention frame, and the air injection pipe and the slag discharge port are matched, and the air outlet of the cylinder body is connected to the air injection pipe.
[0041] The sand-blocking frame is in its normal operating position, with the new filter cloth covering the entire filter area and the air-injection pipe in standby mode. As dust and particulate matter gradually accumulate on the filter cloth, increasing airflow resistance, the air-conditioning system increases suction to ensure sufficient air flow. This increased suction pulls the sand-blocking frame inward, forcing it to slide along the connecting pipe's sealing connection. Simultaneously, the gears begin to rotate forward, driving the drive shaft through the ratchet and toggle, deploying the new filter cloth and replacing the old one.
[0042] During the filter cloth replacement process, the piston movement within the cylinder generates compressed air, which enters the air jet pipe through the air outlet. The air jet pipe, at a preset time or triggered by the controller, sprays high-pressure air toward the slag discharge port, discharging the slag and particles dropped during the filter cloth replacement. This prevents particles from accumulating at the sliding area of the connecting pipe, preventing the anti-sand frame from sliding.
[0043] When the new filter cloth is fully unfolded and covers the entire filter area, the suction force decreases. Under the action of the first spring, the piston pushes the push rod to return the sand-proof frame to its initial position.
[0044] This solution uses an air jet to remove particles dropped from the old filter cloth, preventing these impurities from re-entering the sliding area of the connecting pipe and preventing the anti-sand frame from sliding. The design of the slag discharge port ensures that the blown dust and particles are discharged in a timely manner, preventing them from accumulating inside the equipment and causing secondary contamination.
[0045] Furthermore, it also includes a magnet, which is fixedly connected to the connecting pipe, and the anti-sand frame is provided with ferromagnetic material, and the magnet cooperates with the ferromagnetic material. Since the anti-sand frame easily causes a force balance state when it moves, the anti-sand frame cannot perform reciprocating motion. This solution can be used as a threshold control mechanism through the attraction of the magnet. When the external force (such as air-conditioning suction) gradually increases but is not enough to overcome the magnetic force, the system remains stationary (balanced). Once the external force exceeds the magnetic critical point, the anti-sand frame is suddenly pulled, and the magnetic force "releases" its obstructive effect; when resetting, the magnetic force "pulls back" the anti-sand frame, which plays a role in precise positioning and accelerated resetting. BRIEF DESCRIPTION OF THE DRAWINGS
[0046] Figure 1 This is a structural diagram of Example 1 of a textile air-conditioning intelligent sand-proof window.
[0047] Figure 2 This is a schematic diagram of Example 1 of a textile air-conditioning intelligent sand-proof window.
[0048] Figure 3 This is a perspective view of Example 2 of a textile air-conditioning intelligent sand-proof window.
[0049] Figure 4 This is a cross-sectional view of Example 2 of a textile air-conditioning intelligent sand-proof window.
[0050] Figure 5 This is an enlarged view of Example 2 of a textile air-conditioning intelligent sand-proof window.
[0051] The figure marks in the specification include: 1. connecting pipe; 2. slag discharge port; 3. sand prevention frame; 4. guide blade; 5. guide frame; 6. cylinder; 7. rack; 8. gear; 9. push rod; 10. piston; 11. air outlet; 12. jet pipe; 13. driving shaft; 14. filter cloth; 15. driven shaft; 16. air flow sensor; 17. motor; 18. fresh cloth reel; 19. dirty cloth reel; 20. toggle member; 21. ratchet; 22. first spring; 23. fixing frame. DETAILED DESCRIPTION
[0052] Example 1, as attached Figure 1 、 Figure 2 As shown:
[0053] This solution provides an intelligent sand-proof window for a textile air conditioner. The sand-proof frame 3 is rectangular, and an airflow sensor 16 is located to the left of the guide vane 4, which is rotatably connected to the guide frame 5. The airflow sensor 16 is fixed to the guide frame 5. Both the driving shaft 13 and the driven shaft 15 are placed within the sand-proof frame 3. The driven shaft 15 is rotatably connected to the upper end of the sand-proof frame 3, while the driving shaft 13 is rotatably connected to the lower end of the sand-proof frame 3. The sand-proof frame is fixed to the guide frame 5. A fixing bracket 23 is used to secure the guide frame 5.
[0054] A dirty cloth roll 19 is fixed to the driving shaft 13, which winds the dirty filter cloth 14. A fresh cloth roll 18 is fixed to the driven shaft 15, which winds the clean filter cloth 14. The driving element is a motor 17, which drives the driving shaft 13. When the filter cloth 14 needs to be replaced, the motor 17 starts, causing the driving shaft 13 to rotate. The dirty cloth roll 19 winds the used filter cloth onto itself, while the clean filter cloth is released from the fresh cloth roll 18 and brought directly in front of the guide frame 5 to prevent dust from entering. The right side of the filter cloth 14 faces the outside world, while the left side faces the indoor environment.
[0055] During operation, a new filter cloth 14 is installed within the sand-proof frame 3, and the guide vanes 4 are adjusted to a preset position to optimize airflow distribution. The airflow sensor 16 begins monitoring the incoming airflow, and the controller is initialized and ready to receive data. The outside air is first filtered through the filter cloth 14 to remove particulate matter such as dust and sand.
[0056] Then, the guide blades 4 can automatically adjust their angles or positions according to changes in ambient wind pressure to ensure that the airflow passes through the filter cloth evenly, avoiding local blockage or poor airflow, and preventing damage to the filter cloth due to excessive ambient wind pressure.
[0057] Airflow sensor 16 continuously monitors changes in airflow velocity and pressure, transmitting this data to the controller in real time. If it detects a significant increase in airflow resistance (indicating possible filter cloth clogging) or a drop in airflow velocity below a preset threshold, the controller initiates a command to activate motor 17. Motor 17 rotates the drive shaft, pulling a new filter cloth 14 from the driven shaft 15, replacing the used filter cloth 14 within the sand-proof frame 3. The used filter cloth 14 is then drawn onto the drive shaft 13. Once the new filter cloth 14 is fully deployed and covers the entire filter area, motor 17 stops.
[0058] This solution ensures that the filter cloth 14 is always in the best working condition through real-time monitoring and automatic replacement, avoiding poor ventilation or reduced filtration efficiency caused by blockage of the filter cloth 14. Moreover, this mechanism can replace the filter cloth 14 without stopping the machine.
[0059] Example 2, as attached Figure 3 As shown:
[0060] This solution provides a textile air conditioner intelligent sand-proof window, wherein the sand-proof frame 3 is rectangular and is arranged in a connecting pipe 1, one end of the connecting pipe 1 is connected to the outside world and the other end is connected to the air conditioner. The sand-proof frame 3 slides in the connecting pipe 1.
[0061] A guide frame 5 is provided on the left side of the connecting pipe 1. The guide frame 5 is provided with eight guide vanes 4. The guide vanes 4 are arranged linearly and are rotatably connected to the guide frame 5. The guide vanes 4 are located at the air inlet of the connecting pipe 1. A slag discharge port 2 is provided at the bottom of the connecting pipe 1 for discharging particulate impurities.
[0062] The guide mechanism is electrically driven, and the electrically driven mechanism is an electric cylinder that drives the guide vanes to rotate. The electric cylinder is fixedly connected to the connecting pipe 1. The mechanical mechanism is automatically adjusted by blowing the wind deflector 18 by wind force.
[0063] Four cylinders 6 are located at the four corners of the connecting pipe 1. These cylinders 6 include pistons 10, a cylinder body, and push rods 9. The push rods 9 are fixed to the four corners of the sand-proof frame 3. The four cylinders 6 extend and retract synchronously using a conventional synchronization device. The pistons 10 are fixedly connected to the push rods 9, which are in a sliding, sealed connection with the cylinder body. A first spring 22 is fixedly connected to the pistons 10 at one end and to the cylinder body at the other.
[0064] As attached Figure 3 、 Figure 4 、 Figure 5 As shown:
[0065] Inside the upper frame of the sand-proof frame 3 is a driven shaft 15, wrapped with a filter cloth 14. The other end of the filter cloth 14 passes through the center of the sand-proof frame 3 and is secured to the driving shaft 13 inside the lower frame of the sand-proof frame 3. Both the driven shaft 15 and the driving shaft 13 are slidably connected to the sand-proof frame 3. The filter cloth 14 is precisely sized to fit the opening of the sand-proof frame 3, ensuring that air must pass through the filter cloth 14 to pass through the sand-proof frame 3.
[0066] A gear 8 is provided concentrically with the driving shaft 13 of the sand-proof frame 3. The gear 8 is rotatably connected to the sand-proof frame 3, and the gears 8 and the gears 8 are meshed with each other. The rack 7 is fixedly connected to the connecting pipe 1. The gear 8 and the rack 7 are located in the inner groove of the connecting pipe 1. The inner groove is sealed to prevent air leakage.
[0067] A circle of ratchet teeth 21 is provided inside the gear 8, and a toggle member 20 is provided on the driving shaft 13. When the ratchet teeth 21 rotate forward, the toggle member 20 will be toggled to rotate, and when the ratchet teeth 21 rotate backward, the toggle member 20 will not rotate.
[0068] This solution also provides a pressure switch, a timer, and an alarm. The pressure switch is fixedly connected to the connecting pipe 1. When the filter screen is clogged, the sand-proof frame 3 slides backward, squeezing the pressure switch. The alarm is mounted on the outer wall of the connecting pipe 1. The timer, diversion mechanism, and alarm are all connected to a controller. The alarm can be a buzzer. The timer is used to determine whether the backward movement of the sand-proof frame 3 is caused by a blockage in the filter cloth 14.
[0069] The connecting pipe 1 is provided with a slag discharge port 2, an air jet pipe 12 is fixedly connected to the sand prevention frame 3, and the air jet pipe 12 is aligned with the slag discharge port 2, and the air outlet 11 of the cylinder body is connected to the air jet pipe 12. The air inlet pipe of the cylinder 6 is connected to the room.
[0070] The magnet is fixedly connected to the connecting pipe 1. The sand-proof frame 3 is provided with a ferromagnetic material. In the initial state, the magnet is attracted to the ferromagnetic material on the sand-proof frame 3. When encountering high wind pressure or increased air conditioning suction, the ferromagnetic material of the sand-proof frame 3 and the magnet will be disconnected. The ferromagnetic material can be iron.
[0071] In order to ensure that the anti-sand frame 3 can stably reciprocate when the filter is clogged, the present solution can also provide a cam mechanism on the right side of the anti-sand frame 3. The cam mechanism includes a cam, a contact switch and a motor. The motor is fixed in the connecting pipe 1 and is located on the right side of the anti-sand frame 3. The cam is fixedly connected to the shaft of the motor. The contact switch is provided on the left side of the cam so that the anti-sand frame 3 can be touched. In the initial state, the cam is not in contact with the anti-sand frame 3, and the raised part of the cam is located on the right side. When the filter is clogged, the anti-sand frame 3 will move backward, so that the anti-sand frame 3 contacts the contact switch. At this time, the controller controls the motor to start, so that the cam rotates one circle, and the raised part of the cam will push the anti-sand frame 3 to the left, so that the anti-sand frame 3 is reset.
[0072] As attached Figure 1-4 As shown:
[0073] During specific operation, when the filter cloth 14 is blocked, the air conditioner will increase the suction force on the filter cloth 14 in order to inhale enough air. At this time, the anti-sand frame 3 will be pulled by the larger suction force, causing the anti-sand frame 3 to move inward. When the anti-sand frame 3 moves, it will drive the gear 8 to move. Because the gear 8 is engaged with the gear 8, the gear 8 will rotate forward when it moves. When the gear 8 rotates, the ratchet 21 will rotate. The rotation of the ratchet 21 will contact the toggle member 20, causing the toggle member 20 to rotate. The rotation of the toggle member 20 will drive the driving shaft 13 to rotate. The rotation of the driving shaft 13 will pull the new filter cloth 14 out from the driven shaft 15 to replace the used filter cloth 14 in the anti-sand frame 3.
[0074] During the return movement, the piston 10 in the cylinder moves to generate compressed gas, which enters the air injection pipe 12 through the air outlet 11. The air injection pipe 12 sprays high-pressure gas toward the slag discharge port 2 according to a preset timing or triggered by the controller, discharging the slag and particles dropped by the filter cloth 14 during the replacement, thus preventing the sand-proof frame 3 from sliding due to the accumulation of particles at the sliding part of the connecting pipe 1.
[0075] At the same time, the pressure switch is touched, which sends an electrical signal to the controller, which starts the timer. If the sandproof frame 3 still does not return to its original position within the set time (0.5-1min), it means that the external wind pressure may be too high, and the controller starts the control diversion mechanism to reduce the wind pressure.
[0076] If it still does not return to its original position after the set time (0.5-1min), the timer sends an electrical signal to the controller, and the controller controls the alarm to sound, indicating that the device cannot operate normally.
[0077] If there are no other problems, after new filter cloth 14 is fully launched and covers whole filter area, suction reduces. Under the effect of first spring 22, piston 10 promotes push rod 9, makes anti-sand frame 3 return to initial position.
[0078] The beneficial effects of this solution are: 1. The automatic filter cloth replacement function reduces the need for manual intervention, improves maintenance efficiency, and reduces operating costs. 2. It ensures that the filter cloth 14 is always in optimal working condition, preventing poor ventilation or reduced filtration efficiency caused by blockage. 3. The reciprocating motion of the sand control frame 3, driven by changes in air conditioning suction, automatically replaces the filter cloth 14. This reduces motor usage and saves costs for long-term operation. 4. This mechanism utilizes a staged response: the first stage: automatic filter cloth replacement (to address blockage); the second stage: flow adjustment (to address wind pressure); and the third stage: alarm notification (system failure), achieving an upgrade from "passive response" to "active response." 5. This solution uses the air jet 12 to remove particles dropped from the old filter cloth 14, preventing these impurities from re-entering the sliding area of the connecting pipe 1 and causing the sand control frame 3 to become immobilized. The design of the slag discharge port 2 ensures that blown dust and particulate matter are discharged promptly, preventing them from accumulating inside the equipment and causing secondary contamination.
[0079] The above are only embodiments of the present invention. Common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be considered as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.
Claims
1. A textile air conditioner intelligent sand-proof window, comprising: Anti-sand frame (3); Filter cloth (14): the filter cloth (14) is arranged in the anti-sand frame (3); A flow guide mechanism is used to adjust the ambient wind pressure on the filter cloth (14); It is characterized by further comprising: Airflow sensor (16): used to monitor the size of the airflow after passing through the guide mechanism; Replacement mechanism: used for replacing filter cloth (14); Controller: The replacement mechanism and the controller are electrically connected.
2. The intelligent anti-sand window for textile air conditioners according to claim 1, characterized in that: The replacement mechanism comprises a driving member, a driving shaft (13) and a driven shaft (15); the driving shaft (13) cooperates with the driven shaft (15); the driven shaft (15) is rotatably arranged on the upper end of the sand-proof frame (3); the driving shaft (13) is rotatably arranged on the lower end of the sand-proof frame (3); one end of the filter cloth (14) is fixedly connected to the driving shaft (13); the other end is wound and fixed on the driven shaft (15); the driving member is used to drive the driving shaft (13) to rotate.
3. The intelligent anti-sand window for textile air conditioners according to claim 1, characterized in that: A cloth-rolling drum is fixedly provided on the driving shaft (13) and the driven shaft (15), and the cloth-rolling drum is used for rolling up the filter cloth (14).
4. The intelligent anti-sand window for textile air conditioners according to claim 1, characterized in that: The guide mechanism comprises a guide blade (4), a guide frame (5) and a rotating member; the guide frame (5) is fixedly connected to the connecting pipe (1), and the guide frame (5) cooperates with the filter cloth (14); a plurality of guide blades (4) are provided, and the plurality of guide blades (4) are linearly arranged in the guide frame (5); the guide blades (4) are rotatably connected to the guide frame (5), and the rotating member is used to drive the guide blades (4) to rotate.
Citation Information
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