Energy-saving self-cleaning glass curtain wall

Through the self-cleaning glass curtain wall system driven by wind and rain, the cleaning problem of high-rise buildings in the wind and windy weather is solved, automatic cleaning and stable operation are achieved, and the cleaning effect is enhanced.

CN120465621AInactive Publication Date: 2025-08-12ZHEJIANG ZHONGCHENG CURTAIN WALL TECH CO LTD
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Patent Information

Application Number
CN202510715328.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2025-08-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The prior art cannot effectively clean the glass curtain walls of high-rise buildings, especially in strong winds, which may cause damage to the glass curtain walls.

Method used

Design an energy-saving self-cleaning glass curtain wall, using wind and rainwater to drive the cleaning system, trigger the start parts through wind power, drive the pressure-repelling parts and cleaning parts to clean the glass wall, and combine the siphon principle to moisten the cleaning brush to achieve automatic cleaning.

Benefits of technology

Under different climatic conditions, avoid damage to the glass curtain wall by wind pressure, improve cleaning effect, ensure stable operation of the system, realize automated cleaning, and enhance cleaning effect.

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Abstract

The invention discloses an energy-saving self-cleaning glass curtain wall which comprises a frame, a cleaning part, an abutting part, a water accumulation frame and a drainage frame, a glass wall is arranged on the outer wall of the inner side of the frame, an embedding part is arranged at the outer end of the frame, a sliding groove is formed in one side of the frame, and a through groove is formed in the other end of the frame. The water accumulation frame is arranged at the upper end of the frame, the drainage frame is arranged at the lower end of the frame, a plurality of groups of drainage holes which are densely distributed at equal intervals are formed in the lower end of the drainage frame, and a plurality of trigger rods are fixedly connected to the upper end of the drainage frame; the cleaning part is used for cleaning a glass wall; a reciprocating motion part is arranged in the frame and can reciprocate up and down; the pressing part is used for supporting the glass wall, the pressing part is arranged between the frame and the glass wall, and by means of the elements, the glass wall can be cleaned through the linkage driving cleaning technology of wind power and rainwater collection and supported through the pressing part.
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Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and specifically to an energy-saving self-cleaning glass curtain wall. Background Art

[0002] Glass curtain wall is a modern building exterior wall decoration structure, consisting of glass panels and supporting structure system, and is widely used in various types of buildings.

[0003] The China Patent Network discloses a self-cleaning protective glass curtain wall, with the patent publication number "CN114010095A." It includes a mounting frame and flat glass, which is mounted within the mounting frame; a connecting pipe communicating with an airbag; a first wiping strip fixedly connected to the middle section of the airbag; and a second wiping strip fixedly connected to the top of the airbag. The connecting pipe is connected to the air inlet of an elastic pedal bag via a second-position three-way valve and a first one-way valve, in sequence; and the air outlet of the elastic pedal bag is connected to the connecting pipe via a second one-way valve and a first two-position three-way valve, in sequence. This allows people to step on the elastic pedal bag, driving the first and second wiping strips to move up and down, wiping the flat glass. However, this device still relies on people stepping on it for cleaning, which cannot achieve the desired cleaning effect for high-rise building glass curtain walls. Therefore, the present invention proposes a new energy-saving self-cleaning glass curtain wall. Summary of the Invention

[0004] The object of the present invention is to provide an energy-saving self-cleaning glass curtain wall to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an energy-saving self-cleaning glass curtain wall, comprising: a frame, a cleaning portion, a pressing portion, a water accumulation frame, and a drainage frame; the inner and outer walls of the inner wall of the frame are provided with glass walls; the outer end of the frame is provided with an embedded portion; one side of the frame is provided with a slide groove; the other end of the frame is provided with a through groove; the water accumulation frame is placed at the upper end of the frame; the drainage frame is placed at the lower end of the frame; the lower end of the drainage frame is provided with multiple groups of drainage holes densely distributed at equal intervals; the upper end of the drainage frame is fixedly connected to multiple trigger rods; The cleaning part is used to clean the glass wall; A reciprocating portion is provided in the frame, and the reciprocating portion can reciprocate up and down; The mortgage part is used to support the glass wall, and the mortgage part is arranged between the frame and the glass wall.

[0006] Furthermore, two trigger parts are provided inside the frame, and the two trigger parts are respectively arranged on both sides of the frame. The trigger parts are used to prevent and inspire rainwater to flow down. The rainwater flowing down will flow into the reciprocating moving part and the cleaning part, driving the reciprocating moving part and the cleaning part to move downward.

[0007] Furthermore, the embedded part includes a support frame fixed to the outer wall of the frame and a fixed plate fixed on the support frame, and an upper and lower sliding groove is opened in the frame. The cleaning part includes a translation unit and a reset unit. The translation unit is slidably connected to the sliding groove, and the reset unit is placed at the lower end of the translation unit. The translation unit is an upper empty shell, and the translation unit is used to receive rainwater. The translation unit can move downward by receiving rainwater, and the reset unit is used to drive the translation unit to reset and move upward. A cleaning brush is fixedly connected to the end of the translation unit facing the glass wall, and a water diversion pipe is provided on the translation unit, and the water diversion pipe is connected to the cleaning brush.

[0008] Furthermore, the reciprocating moving part includes a moving unit and a starting unit. When triggered, the starting unit can enable the moving unit to receive rainwater and move downward. A vertical reset unit is provided under the moving unit. The vertical reset unit is used to drive the moving unit to reset, and the moving unit is used to drive the pressing part.

[0009] Furthermore, the pressing portion includes an expansion unit and a pressing unit. The expansion unit is placed at the lower end of the movable unit and can be laterally extended and contracted. The pressing unit is fixedly arranged on both lateral sides of the expansion unit.

[0010] Furthermore, a plurality of grooves are provided in the translation unit, each groove is provided with a drainage unit, the drainage unit can slide up and down in the groove, the drainage unit is used to discharge rainwater inside the translation unit, the drainage unit is placed at the upper end of the trigger rod, and the drainage unit corresponds to the trigger rod one by one.

[0011] Furthermore, the unfolding unit is placed at the lower end of the moving unit, and the unfolding unit is placed at the inner upper end of the frame.

[0012] Furthermore, a sliding groove is provided on the side wall of the frame, and the trigger part includes a water tank, a lateral translation unit arranged at the lower end of the water tank, and a lateral reset unit arranged in the sliding groove. The lateral translation unit can be translated backward by wind force, and the lateral reset unit can drive the lateral translation unit to reset. A water flow hole is provided in the water tank, and the lateral reset unit is at the lower end of the water flow hole and fits with the water tank when it is in place.

[0013] Furthermore, the movable unit includes a water collecting box, which is provided with a drainage hole and a translation groove. The starting unit can be translated laterally in the translation groove. The starting unit can be driven to translate backward by wind power. A spring is provided at the rear end of the starting unit, and the spring is used to drive the starting unit to reset.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention triggers the starting part through wind force, thereby driving the movable part to drive the pressing part to move downward, and then the unfolding unit is extended horizontally to press the glass wall, thereby preventing excessive wind pressure in windy weather from causing damage to the glass curtain wall.

[0015] 2. The present invention uses wind power to drive the trigger part so that the collected rainwater flows down into the cleaning part, driving the cleaning cloth to clean the glass curtain wall. At the same time, the cleaning part moistens the cleaning brush through the siphon principle to enhance the cleaning effect.

[0016] 3. The trigger part of the present invention is driven by wind to control the flow of rainwater, and automatically resets and closes when there is no wind; the inclined surface design at the upper end of the drainage frame optimizes drainage efficiency and avoids water accumulation. At the same time, the reset spring is combined to realize automatic reset of the components, ensuring stable operation of the system under different climatic conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the external circulation double-layer ventilation glass curtain wall of the present invention; Figure 2 It is a side view of the present invention; Figure 3 It is a rear view of the present invention; Figure 4 This is a cross-sectional view of the interior of the frame of the present invention; Figure 5 is a cross-sectional view of the cleaning portion of the present invention; Figure 6 is a cross-sectional view of the drainage frame of the present invention; Figure 7 It is a structural schematic diagram of the starting unit of the present invention; Figure 8 Schematic diagram of the trigger unit structure of the present invention; Figure 9 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A; Figure 10 For the present invention Figure 3 A schematic diagram of the enlarged structure at point B; Figure 11 For the present invention Figure 5 Enlarged structural diagram at C.

[0018] In the figure: 1 support frame, 2 fixing plate, 3 frame, 301 slide groove, 302 through groove, 5 glass wall, 4 water accumulation frame, 7 drainage frame, 704 drainage hole, 702 trigger rod, 6 water storage tank, 604 groove, 605 sliding rod, 606 upper sealing block, 603 lower sealing block, 601 cleaning brush, 602 water diversion pipe, 404 water storage tank, 4041 wind shield, 4042 connecting rod, 4043 sealing plate, 4044 water flow hole , 304 sliding groove, 4045 lateral return spring, 401 return spring, 402 water collecting tank, 4021 translation groove, 4023 spring, 4022 wind shift plate, 4024 transmission rod, 4025 closing plate, 4026 drainage hole, 403 vertical return spring, 8 driving plates, 102 lower connecting plate, 106 upper connecting plate, 103 first rotating rod, 105 second rotating rod, 101 pressure plate, 104 connecting block. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1:

[0020] like Figures 1-11 As shown, an energy-saving self-cleaning glass curtain wall includes: a frame 3, a cleaning portion, a pressing portion, a water accumulation frame 4, and a drainage frame 7. The inner and outer walls of the inner wall of the frame 3 are provided with a glass wall 5. The outer end of the frame 3 is provided with an embedded portion. A slide groove 301 is provided on one side of the frame 3, and a through groove 302 is provided on the other end of the frame 3. The water accumulation frame 4 is placed at the upper end of the frame 3, and the drainage frame 7 is placed at the lower end of the frame 3. The lower end of the drainage frame 7 is provided with multiple groups of drainage holes 704 with equal intervals and dense distribution. The upper end of the drainage frame 7 is fixedly connected to multiple trigger rods 702; The cleaning part can move up and down and back and forth to clean the glass wall 5; A reciprocating portion is provided in the frame 3, and the reciprocating portion can reciprocate up and down to drive the mortgage portion; The mortgage part is used to support the glass wall 5, and the mortgage part is arranged between the frame 3 and the glass wall 5; Two trigger parts are provided inside the frame 3, and the trigger parts are used to prevent and inspire rainwater from flowing down. The rainwater flowing down will flow into the reciprocating moving part and the cleaning part, driving the reciprocating moving part and the cleaning part to move downward. The embedded part includes a support frame 1 fixed to the outer wall of the frame 3 and a fixed plate 2 fixed on the support frame 1. The cleaning part includes a translation unit and a reset unit. The reset unit is placed at the lower end of the translation unit. The translation unit is an empty shell at the upper end. The translation unit is used to receive rainwater. The translation unit can move downward by receiving rainwater. The reset unit is used to drive the translation unit to reset and move upward. A plurality of grooves 604 are provided in the translation unit. A discharge unit is provided in each groove 604. The discharge unit can be The drain unit slides up and down in the groove 604, and is used to drain the rainwater inside the translation unit. The drain unit is placed at the upper end of the trigger rod 702, and the drain unit corresponds to the trigger rod 702 one by one. The side wall of the frame 3 is provided with a sliding groove 304, and the trigger part includes a water tank 404 and a lateral translation unit arranged at the lower end of the water tank 404 and a lateral reset unit arranged in the sliding groove 304. The lateral translation unit can undertake the wind force to translate backward, and the lateral reset unit can drive the lateral translation unit to reset. A water hole 4044 is provided in the water tank 404. When the lateral reset unit is in place, it is at the lower end of the water hole 4044 and fits the water tank 404. Reference Figure 1-11 As shown, the lateral reset unit can be set as a lateral reset spring 4045, and the lateral translation unit can be composed of a windshield 4041, a connecting rod 4042 and a sealing plate 4043. The windshield 4041 is fixedly connected to the sealing plate 4043 through the connecting rod 4042, and the connecting rod 4042 is slidably connected in the sliding groove 304, and the sealing plate 4043 fits with the water tank 404.

[0021] The translation unit can be made into a water storage tank 6, and the discharge unit can be composed of a sliding rod 605, an upper sealing block 606 fixed to the upper end of the sliding rod 605, and a lower sealing block 603 fixedly connected to the lower end of the sliding rod 605.

[0022] The reset unit may be a reset spring 401 .

[0023] In this embodiment, when rainfall occurs, rainwater first falls on the water collection frame 4 and then flows into the frame 3. Regarding the triggering unit, under the influence of wind, the windshield 4041 of the lateral translation unit is pushed by the wind, driving the sealing plate 4043 to translate backward within the sliding groove 304 via the connecting rod 4042, thereby compressing the lateral return spring 4045. When the sealing plate 4043 translates away from the water flow hole 4044 at the lower end of the water storage tank 404, the rainwater accumulated in the water storage tank 404 flows downward through the water flow hole 4044, and some of the rainwater enters the translation unit of the cleaning unit. As the rainwater in the water storage tank 6 continues to accumulate, its weight increases, overcoming the elastic force of the return spring 401, causing the water storage tank 6 to move downward along the sliding groove 301 on the inner wall of the frame 3. When the water tank 6 moves downward, the cleaning brush 601 moves downward synchronously to clean the glass wall 5. At the same time, when the rainwater inside the water tank 6 accumulates to a certain level, the water pipe 602 uses the siphon principle to introduce the rainwater into the cleaning brush 601 to moisten the cleaning brush 601. As the water tank 6 moves downward, the drainage unit inside it also moves downward. When the water tank 6 moves downward to a certain position, the lower sealing block 603 of the drainage unit contacts and is lifted by the trigger rod 702 on the drainage frame 7. At this time, the upper sealing block 606 opens the groove 604, and the rainwater in the water tank 6 flows through the groove 604 and the drainage hole 704 to the outside of the drainage frame 7, completing the drainage process. As the rainwater in the water tank 6 is drained, the weight is reduced. Under the action of the reset spring 401, the water tank 6 drives the cleaning unit upward to return to its initial position, waiting to receive the next rainwater. This enables the cleaning unit to move up and down reciprocatingly under the drive of rainwater, continuously cleaning the glass wall 5. Example 2:

[0024] Compared with the first embodiment, in this embodiment, the reciprocating moving part includes a moving unit and a starting unit. When triggered, the starting unit can make the moving unit receive rainwater and move downward. A vertical reset unit is provided under the moving unit. The vertical reset unit is used to drive the moving unit to reset. The moving unit is used to drive the pressing part. The pressing part includes an expansion unit and a pressing unit. The expansion unit is placed at the lower end of the moving unit. The expansion unit can extend and contract laterally. The pressing unit is fixed on both lateral sides of the expansion unit. The expansion unit is placed at the lower end of the moving unit. The expansion unit is placed at the inner upper end of the frame 3. The moving unit includes a water collecting tank 402. The water collecting tank 402 is provided with a drainage hole 4026. The water collecting tank 402 is provided with a translation groove 4021. The starting unit can translate laterally in the translation groove 4021. The starting unit can be translated backward by wind drive. A spring 4023 is provided at the rear end of the starting unit. The spring 4023 is used to drive the starting unit to reset.

[0025] Reference Figure 1-11The starting unit includes a wind shift plate 4022, a transmission rod 4024, and a closing plate 4025. The wind shift plate 4022 is fixedly connected to the closing plate 4025 through the transmission rod 4024, and the closing plate 4025 is fitted with the upper end of the inner wall of the water collecting box 402. The vertical reset unit can be made into a vertical reset spring 403. The expansion unit can be composed of a driving plate 8, multiple groups of lower connecting plates 102, multiple upper connecting plates 106, multiple first rotating rods 103, and multiple second rotating rods 105. The lower connecting plate 102 is rotatably connected to the first rotating rod 103, and the upper connecting plate 106 is rotatably connected to the second rotating rod 105. The driving plate 8 is fixedly connected to the upper end of the upper connecting plate 106. The pressing unit is composed of two pressing plates 101 and a connecting block 104. The connecting block 104 is rotatably connected to the second rotating rod 105, and the pressing plate 101 is fixedly connected to the connecting block 104.

[0026] The wind shift plate 4022 further passes through the sliding connection slot 302 , the driving plate 8 is further fixedly connected to the water collecting box 402 , and the driving plate 8 further passes through the sliding connection slot 302 .

[0027] When wind blows, the wind-displacement plate 4022 of the activation unit is pushed by the wind and moves laterally and backward within the translation slot 4021. Simultaneously, the closing plate 4025 is driven to move synchronously via the transmission rod 4024, compressing the spring 4023. The movement of the closing plate 4025 closes the drainage hole 4026, allowing rainwater to flow into the water collection tank 402. When the wind weakens or disappears, the spring 4023 returns to its original shape, pushing the wind-displacement plate 4022 and closing plate 4025 back into place, allowing rainwater to drain from the drainage hole 4026. As rainwater continues to flow into the water collection tank 402, the weight of the water collection tank 402 gradually increases. When the weight of the water collection tank 402 exceeds the elastic force of the vertical return spring 403, the water collection tank 402 will move horizontally downward. After the rainwater in the water collection tank 402 is discharged through the drain hole 4026, the weight of the water collection tank 402 is reduced, and the vertical return spring 403 drives the water collection tank 402 to return to its initial position, completing a cycle of up and down reciprocating movement. The drive plate 8 of the expansion unit is fixedly connected to the upper end of the upper connecting plate 106. When the water collection tank 402 moves horizontally downward, it will drive the drive plate 8 to move downward synchronously. The downward movement of the drive plate 8 causes the distance between the upper connecting plate 106 and the lower connecting plate 102 to change, and the rotational connection between the first rotating rod 103 and the second rotating rod 105 causes the expansion unit to extend horizontally. Specifically, the first rotating rod 103 and the second rotating rod 105 rotate about their respective rotational connection points, causing the expansion unit to gradually expand in the horizontal direction. When the moving unit is reset upward, the expansion unit will contract laterally under the coordinated action of the various rods, returning to its initial state. The connecting block 104 of the pressing unit will be rotationally connected to the second rotating rod 105, and the pressing plate 101 will be fixedly connected to the connecting block 104. When the expansion unit is extended laterally, the rotation of the second rotating rod 105 will drive the pressing plate 101 to move laterally to the sides of the frame 3 through the connecting block 104, thereby achieving a pressing action, which may be used to press, fix, or clean the glass wall 5 or other components inside the frame 3. When the expansion unit contracts laterally, the pressing plate 101 will move toward the center, releasing the pressing state. Example 3:

[0028] The drainage frame 7 is placed at the lower end of the frame 3. The lower end of the drainage frame 7 is provided with multiple groups of equally spaced and densely distributed drainage holes 704. The upper end of the drainage frame 7 is fixedly connected with multiple trigger rods 702. It should be noted that the opening position of the drainage holes is opposite to the water accumulation frame 4 of another frame 3 below. It should be noted that the upper end opening of the drainage frame 7 is a slope.

[0029] In this embodiment, when rainwater is discharged, it flows into another frame 3 provided below for recycling. At the same time, the inclined design of the drainage frame 7 can achieve a better drainage effect.

[0030] The embodiments of the present invention are presented for purposes of illustration and description and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles of the invention and its practical application and to enable those skilled in the art to understand the invention and design various embodiments with various modifications as suited for specific applications.

Claims

1. An energy-saving self-cleaning glass curtain wall, comprising: A frame (3), a cleaning portion, a pressing portion, a water accumulation frame (4), and a drainage frame (7), characterized in that a glass wall (5) is provided on the inner and outer walls of the inner wall of the frame (3), an embedded portion is provided on the outer end of the frame (3), a slide groove (301) is provided on one side of the frame (3), and a through groove (302) is provided on the other end of the frame (3), the water accumulation frame (4) is placed at the upper end of the frame (3), the drainage frame (7) is placed at the lower end of the frame (3), a plurality of drainage holes (704) with equal spacing and dense distribution are provided on the lower end of the drainage frame (7), and a plurality of trigger rods (702) are fixedly connected to the upper end of the drainage frame (7); The cleaning part can move up and down and back and forth to clean the glass wall (5); A reciprocating portion is provided in the frame (3), and the reciprocating portion can reciprocate up and down to drive the mortgage portion; The mortgage portion is used to support the glass wall (5), and the mortgage portion is arranged between the frame (3) and the glass wall (5).

2. The energy-saving self-cleaning glass curtain wall according to claim 1, characterized in that: Two trigger parts are provided inside the frame (3), and the two trigger parts are respectively provided on both sides of the frame (3). The trigger parts are used to prevent and trigger rainwater from flowing downward. The downward-flowing rainwater will flow into the reciprocating moving part and the cleaning part, driving the reciprocating moving part and the cleaning part to move downward.

3. The energy-saving self-cleaning glass curtain wall according to claim 1, characterized in that: The embedded part comprises a support frame (1) fixed to the outer wall of the frame (3) and a fixed plate (2) fixed to the support frame (1); an upper and lower sliding groove (303) is provided in the frame (3); the cleaning part comprises a translation unit and a reset unit; the translation unit is slidably connected to the sliding groove (303); the reset unit is placed at the lower end of the translation unit; the translation unit is a shell with an upper hollow surface; the translation unit is used to receive rainwater; the translation unit can move downward by receiving rainwater; the reset unit is used to drive the translation unit to reset and move upward; a cleaning brush (601) is fixedly connected to one end of the translation unit facing the glass wall (5); a water diversion pipe (602) is provided on the translation unit, and the water diversion pipe (602) is connected to the cleaning brush (601).

4. The energy-saving self-cleaning glass curtain wall according to claim 1, characterized in that: The reciprocating moving part includes a moving unit and a starting unit. When triggered, the starting unit can make the moving unit move downward by receiving rainwater. A vertical reset unit is provided under the moving unit. The vertical reset unit is used to drive the moving unit to reset. The moving unit is used to drive the pressing part.

5. The energy-saving self-cleaning glass curtain wall according to claim 4, characterized in that: The pressing portion includes an expansion unit and a pressing unit. The expansion unit can be extended and contracted in the transverse direction. The pressing units are fixedly arranged on both transverse sides of the expansion unit.

6. The energy-saving self-cleaning glass curtain wall according to claim 3, characterized in that: A plurality of grooves (604) are provided in the translation unit, and a drainage unit is provided in each groove (604). The drainage unit can slide up and down in the groove (604) and is used to discharge rainwater inside the translation unit. The drainage unit is placed at the upper end of the trigger rod (702), and the drainage unit corresponds to the trigger rod (702) one by one.

7. The energy-saving self-cleaning glass curtain wall according to claim 5, characterized in that: The unfolding unit is placed at the lower end of the moving unit, and the unfolding unit is placed at the inner upper end of the frame (3).

8. The energy-saving self-cleaning glass curtain wall according to claim 2, characterized in that: The side wall of the frame (3) is provided with a sliding groove (304), the triggering portion comprises a water tank (404), a transverse translation unit arranged at the lower end of the water tank (404), and a transverse reset unit arranged in the sliding groove (304), the transverse translation unit can receive wind force and translate backward, the transverse reset unit can drive the transverse translation unit to reset, a water flow hole (4044) is provided in the water tank (404), and the transverse reset unit is located at the lower end of the water flow hole (4044) and is in contact with the water tank (404) when in the original position.

9. The energy-saving self-cleaning glass curtain wall according to claim 4, characterized in that: The movable unit comprises a water collecting box (402), the water collecting box (402) is provided with a drainage hole (4026), the water collecting box (402) is provided with a translation groove (4021), the starting unit can be laterally translated in the translation groove (4021), the starting unit can be driven to translate backward by wind power, and a spring (4023) is provided at the rear end of the starting unit, and the spring (4023) is used to drive the starting unit to reset.

Citation Information

Patent Citations

  • Automatic-cleaning protective glass curtain wall

    CN114010095A