Method for effectively and quickly discharging air in branch pipeline of air conditioning suit

By installing exhaust valves and gas handling components in the air-conditioned clothing piping, the problem of residual air in the branch piping of the air-conditioned clothing is solved by using the exhaust gas to detect leaks and remove impurities, thus ensuring the stable use and cooling effect of the air-conditioned clothing.

CN115962618BActive Publication Date: 2025-11-18ANHUI MBO INTELLIGENT SCI CO LTD
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Patent Information

Application Number
CN202211637351.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-16
Publication Date
2025-11-18
Estimated Expiration
2042-12-16

AI Technical Summary

Technical Problem

Residual air in the branch pipes of the air conditioning unit can lead to poor cooling or water pump malfunction, especially when the filter is clogged and cannot be dealt with in time.

Method used

By setting up components such as an exhaust valve, an air collection box, an air storage box, a push rod, and a dust collection box, the system uses the discharged gas to detect air leaks and applies pressure to remove impurities from the filter surface and adds gas to the internal liquid passage pipe, thus achieving rapid air discharge.

Benefits of technology

Effectively detect and remove air from the branch pipes of the air-conditioned clothing to ensure stable use of the clothing and prevent weakened cooling effect and water pump shortage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of effective and fast air outlet method of air conditioner suit branch pipeline, including air conditioner host, the water inlet pipeline and return water pipeline are equipped on the air conditioner host, the exhaust valve is provided on the return water pipeline, the exhaust valve outlet end is fixedly connected with gas collection box, the return water pipeline one end is equipped with gas treatment component, the gas treatment component includes additional liquid passage, gas storage box, push rod and dust collection box, the gas collection box is connected with the gas storage box by air pipe line;With the gas, i.e. the gas amount of detection standby gas, according to the data provided, whether leakage occurs, whether the equipment has a problem, and the standby gas is pushed into the additional liquid passage to apply pressure, the pressure acts on the filter screen and the inside of the additional liquid passage, the surface impurity treatment of filter screen and the rapid movement of the gas inside the additional liquid passage are realized, so that the air conditioner suit can be quickly discharged when used next time, and the stable use of air conditioner suit is ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioner pipe exhaust, in particular to a method for effectively and quickly exhausting air in branch pipes of an air conditioner suit. BACKGROUND

[0002] The wearable air conditioner on the market has the same operating principle as the ordinary air conditioner. This intelligent air conditioner is worn on the body to achieve the function of cooling, and is suitable for outdoor workers. The jacket-type cooling suit worn on the body is driven by the liquid flow from the refrigeration host to exchange heat with the body, thereby achieving the effect of cooling. The wearable air conditioner is worn on the body of the personnel wearing protective clothing. The pipe of the refrigeration host can be connected with the clothing for use when in use. The pipe connected through water inlet and water return is used to realize flow and cooling. The pipe connected with the host pipe and the pipe of the protective clothing is connected to cool the workers wearing protective clothing. Due to the pipe connection in the air conditioner suit, the water pump works. If there is gas in the pipe or the filter screen for filtering liquid is blocked, the cooling effect will be poor, and the water pump will stop working due to lack of water. SUMMARY

[0003] The purpose of the present application is to provide a method for effectively and quickly exhausting air in branch pipes of an air conditioner suit. By using the exhaust gas, it is determined whether the phenomenon of air leakage occurs, whether the equipment has problems, and whether the pressure is applied to the filter screen and the inside of the added liquid passage by pushing the gas into the added liquid passage. The surface impurity treatment of the filter screen and the rapid movement of the gas in the added liquid passage are realized. The air conditioner suit can be quickly exhausted when used next time, and the stable use of the air conditioner suit is ensured. The problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] A method for effectively and quickly exhausting air in branch pipes of an air conditioner suit, comprising an air conditioner host, wherein the air conditioner host is provided with a water inlet pipe and a water return pipe, the water return pipe is provided with an exhaust valve, the exhaust valve is fixedly connected with a gas collecting box at the gas outlet end, one end of the water return pipe is provided with a gas treatment assembly, the gas treatment assembly comprises an added liquid passage, a gas storage box, a push rod and a dust collecting box, the gas storage box is fixed outside the added liquid passage, the push rod is slidably connected with the gas storage box, the dust collecting box is fixed outside the added liquid passage, the gas collecting box is connected with the gas storage box through an air pipe, a filter screen for filtering impurities is fixedly connected in the added liquid passage, an air passage plate is fixedly connected in the gas storage box, one end of the push rod is fixedly connected with a pressure supply plate, and a storage cavity for storing gas is formed between the pressure supply plate and the air passage plate, and the storage cavity is opposite to the filter screen and the dust collecting box.

[0006] The method for discharging air in the air conditioner garment branch pipeline comprises the following steps:

[0007] S1: liquid is introduced into the return water pipeline, and gas is discharged into the gas collecting box through the air discharge valve to form discharge gas, which is stored in the gas storage box through the air pipeline to form standby gas;

[0008] S2: the gas amount of the standby gas is detected, and whether air leakage occurs is determined according to the provided data;

[0009] S3: the standby gas is pushed into the additional liquid passage to apply pressure, and the pressure acts on the filter screen and the inside of the additional liquid passage to realize the impurity treatment on the surface of the filter screen and the rapid movement of the gas in the inside of the additional liquid passage.

[0010] As a further scheme of the present application: the additional liquid passage is sealingly connected with the return water pipeline, the gas storage box and the additional liquid passage have an air passage, and a one-way valve is arranged in the air passage; the one-way valve can prevent liquid from entering the gas storage box, and under the action of the air passage, gas with pressure can enter the additional liquid passage through the gas storage box.

[0011] As a further scheme of the present application: the outer wall of the push rod is provided with a locking nut, the air passage plate has a plurality of stress opening grooves, and a detection module for detecting the gas amount is arranged in the air passage plate; the locking nut is threadedly connected with the push rod, can lock the position of the push rod, and make the push rod be at a fixed position, and the stress opening grooves are inverted hard film membranes, which are gathered in the unforced state and are in a closed state, and after being subjected to external force, the membranes are stressed to open outward to form a channel, the detection module can be a gas flow sensor, which detects the gas amount of the standby gas, determines whether air leakage occurs according to the provided data, if the gas amount is relatively large and exceeds the set threshold range, whether the air conditioner is not discharged during operation, whether gas is brought in during water replenishment, whether the system is not sealed, and whether air penetrates into the system are checked, and problems in the use of the air conditioner garment can be timely responded.

[0012] As a further scheme of the present application: one end of the push rod is fixedly connected with a dust passage plate, the dust passage plate is slidingly connected with the additional liquid passage, the dust passage plate has a transition hole, and the transition hole is located in the additional liquid passage; the dust passage plate does not block the additional liquid passage, and can make liquid flow under the action of the filter hole.

[0013] As a further scheme of the present application: the dust removal plate is fixedly connected with a sealing baffle on one side, and the additional liquid passage is provided with a sealing groove for connecting the dust collection box and the additional liquid passage, and the sealing baffle is located in the sealing groove; by locating the sealing baffle in the sealing groove, the dust collection box is not connected with the additional liquid passage, and by locating the sealing baffle in the dust collection box, the inside of the dust collection box is connected with the inside of the additional liquid passage.

[0014] As a further scheme of the present application: the air passage is located between the filter screen and the transition hole, and the transition hole is provided with an elastic sliding plate for sealing the hole; in use, the elastic sliding plate is pushed by the push rod to block the transition hole, so that dust and impurities can be effectively discharged, the push rod returns to the original position, the elastic sliding plate is not subjected to force, the elastic sliding plate can be connected with the spring to reset the elastic sliding plate, and the filter hole can be continuously used.

[0015] As a further scheme of the present application: the dust collection box is provided with a movable area corresponding to the sealing baffle inside the dust collection box; the sealing baffle moves in the movable area, and the movement stroke of the sealing baffle and the pressure supply push plate does not interfere with each other.

[0016] As a further scheme of the present application: the dust collection box is provided with a dust collection area inside the dust collection box, and the dust collection area is located at the bottom of the movable area; impurities on the surface of the filter screen are blown into the dust collection box and fall into the dust collection area for collection.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The liquid is introduced into the water return pipeline, the gas is discharged into the gas collection box through the exhaust valve to form exhaust gas, and the exhaust gas is stored in the gas storage box through the air passage to form standby gas. The amount of standby gas is detected, and whether the air conditioner leaks or not is determined according to the provided data. The standby gas is pushed into the additional liquid passage to apply pressure to the filter screen and the inside of the additional liquid passage, so that the impurities on the surface of the filter screen are treated and the gas in the inside of the additional liquid passage moves quickly. The next time the air conditioner is used, the gas can be quickly discharged to ensure stable use of the air conditioner. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Fig. 1A schematic diagram of steps of a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0021] Fig. 2 A schematic diagram of a structure of a backwater pipeline in a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0022] Fig. 3 A schematic diagram of a structure of a gas storage box in a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0023] Fig. 4 A schematic diagram of a structure inside a gas storage box in a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0024] Fig. 5 A schematic diagram of a structure inside a dust collection box in a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0025] Fig. 6 A schematic diagram of air discharge in a method for effectively and quickly discharging air in a branch pipeline of an air-conditioning suit;

[0026] In the figure: 1, air-conditioning host; 11, water inlet pipeline; 12, backwater pipeline; 2, air discharge valve; 21, gas collection box; 3, air passage pipeline; 4, gas treatment assembly; 41, additional liquid passage; 411, filter screen; 42, gas storage box; 421, detection module; 43, push rod; 44, pressure supply push plate; 45, dust passage plate; 451, transition hole; 452, sealing stop plate; 46, air passage plate; 461, stress opening groove; 47, air passage cavity; 48, dust collection box; 481, movable area; 482, dust collection area. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0028] Please refer to Figs. 1-6In the embodiment of the present application, a method for effectively and quickly discharging air in the branch pipeline of the air-conditioning suit, comprising an air-conditioning host 1, the air-conditioning host 1 is provided with a water inlet pipeline 11 and a water return pipeline 12, the water return pipeline 12 is provided with an air exhaust valve 2, the air exhaust valve 2 is fixedly connected with a gas collecting box 21 at an air outlet end, one end of the water return pipeline 12 is provided with a gas treatment assembly 4, the gas treatment assembly 4 comprises an additional liquid passage pipe 41, a gas storage box 42, a push rod 43 and a dust collecting box 48, the gas storage box 42 is fixed outside the additional liquid passage pipe 41, the push rod 43 is slidably connected with the gas storage box 42, the dust collecting box 48 is fixed outside the additional liquid passage pipe 41, the gas collecting box 21 is connected with the gas storage box 42 through an air passage pipeline 3, the additional liquid passage pipe 41 is fixedly connected with a filter screen 411 for filtering impurities inside, the gas storage box 42 is fixedly connected with an air passage plate 46 inside, one end of the push rod 43 is fixedly connected with a pressure supply push plate 44, the pressure supply push plate 44 and the air passage plate 46 are provided with a gas storage cavity, the gas storage cavity is opposite to the filter screen 411 and the dust collecting box 48.

[0029] The method for discharging air in the branch pipeline of the air-conditioning suit comprises the following steps:

[0030] S1: liquid is passed into the water return pipeline 12, gas is discharged into the gas collecting box 21 through the air exhaust valve 2, forming exhaust gas, which is stored in the gas storage box 42 through the air passage pipeline 3, forming standby gas;

[0031] S2: detecting the gas amount of the standby gas, judging whether the phenomenon of air leakage occurs according to the provided data;

[0032] S3: the standby gas is pushed into the additional liquid passage pipe 41 to apply pressure, the pressure acts on the filter screen 411 and the inside of the additional liquid passage pipe 41, realizing the impurity treatment on the surface of the filter screen 411 and the rapid movement of the gas inside the additional liquid passage pipe 41.

[0033] In the embodiment: before use, the air-conditioning host 1 is fixed on the air-conditioning suit, and the pipeline of the air-conditioning host 1 is connected on the air-conditioning suit for use, liquid is passed into the pipeline, the gas in the pipeline can be squeezed out through the air exhaust valve 2, so that the discharged air can be prevented from returning to the circulating pipeline, and the purpose of discharging the air in the pipeline is achieved.

[0034] The detection of the exhaust gas, the gas is discharged from the gas collecting box 21 through the exhaust valve 2 and is introduced into the gas storage box 42 through the air passage 3, so that the position of the exhaust gas can be converted, and the gas is located between the pressure supply push plate 44 and the air passage plate 46 as standby gas. At this time, under the action of the detection module 421, the detection module 421 can be a gas flow sensor, which detects the amount of standby gas, judges whether the air leakage phenomenon occurs according to the provided data, and if the amount of gas is more, exceeds the set threshold range, checks whether the air conditioner runs without exhausting the gas, the gas is brought in when the water is supplemented, and the system is not sealed, and the air penetrates into the problem. The problem of using the air conditioner can be timely reacted.

[0035] The use of standby gas, the push rod 43 is in sliding connection with the gas storage box 42, the outer wall of the push rod 43 is provided with a nut for locking, and the air passage plate 46 has a plurality of stress opening grooves 461, and the gas storage box 42 is provided with a detection module 421 for detecting the amount of gas, when no liquid is introduced, the push rod 43 can be pressed, the push rod 43 needs to be released before use, the nut provided on the outside is twisted, the push rod 43 drives the gas in the gas storage box 42 to move quickly, impacts on the air passage plate 46, and the stress opening groove 461 opens the exhaust, the stress opening groove 461 is a hard film in an inverted state, which is gathered in the stress-free state and is in a closed state, after being subjected to external force, the film is stressed and opened outward to form a channel, that is, the gas is filled into the additional liquid passage pipe 41 through the air passage cavity 47, so that the gas with impact acts on the surface of the filter screen 411 and is filled into the backwater pipe 12 through the filter hole of the filter screen 411, one end of the push rod 43 is fixedly connected with a dust passage plate 45, the dust passage plate 45 is in sliding connection with the additional liquid passage pipe 41, the dust passage plate 45 has a transition hole 451, the transition hole 451 is located in the additional liquid passage pipe 41, and a sealing strip can be arranged at the position where the dust passage plate 45 is connected with the additional liquid passage pipe 41 to ensure the sealing property of the connection, the transition hole 451 is used for passing liquid through the dust passage plate 45, the air passage cavity 47 is located between the filter screen 411 and the transition hole 451, and the transition hole 451 is internally provided with an elastic sliding plate for sealing the hole, when the elastic sliding plate is used, the elastic sliding plate can be pushed by the pushing movement of the push rod 43, so that the transition hole 451 is blocked, and dust and impurities can be effectively discharged, the push rod 43 returns to the original position, the elastic sliding plate is not subjected to the force, the elastic sliding plate can be connected with a spring, so that the elastic sliding plate is reset, one side of the dust passage plate 45 is fixedly connected with a sealing baffle 452, the dust collecting box 48 is fixed outside the additional liquid passage pipe 41, and the additional liquid passage pipe 41 is provided with a sealing groove, the sealing groove is used for connecting the dust collecting box 48 and the additional liquid passage pipe 41, and the sealing baffle 452 is located in the sealing groove, a sealing strip can be arranged at the position where the sealing baffle 452 is connected with the additional liquid passage pipe 41 to improve the sealing property of the connection, when the sealing baffle 452 enters the dust collecting box 48, the channel connected between the additional liquid passage pipe 41 and the dust collecting box 48 can be opened, and simultaneously, the push rod 43 can drive the dust passage plate 45 to move, so that the sealing baffle 452 moves into the dust collecting box 48, the additional liquid passage pipe 41 opens the channel connected with the dust collecting box 48, the impurities on the surface of the filter screen 411 pass to the outside of the additional liquid passage pipe 41 and enter the dust collecting box 48, since the sealing baffle 452 and the pressure supply push plate 44 move together, the operation is convenient, the pressure supply push plate 44 reaches the stroke of discharging the gas in the gas storage box 42, the sealing baffle 452 moves in the active area 481, the movement strokes of the two are not interfered with each other, so that the gas with pressure can drive the gas in the pipeline to move, the gas is discharged through the exhaust valve 2, at the same time, the impurities on the surface of the filter screen 411 are blown into the dust collecting box 48 and fall into the dust collecting area 482 for collection.

[0036] The working principle of this invention is as follows: Before using the air-conditioned garment, the air conditioning unit 1 is fixed to the garment. The garment is then used by connecting the air conditioning unit 1's piping to the garment. Liquid is introduced into the piping, which compresses the gas in the piping and discharges it through the exhaust valve 2. This prevents the discharged air from returning to the circulation piping, thus achieving the purpose of venting the air from the piping. The gas discharged through the exhaust valve 2 is located in the gas collection box 21 and then enters the gas storage box 42 through the ventilation pipe 3. This allows the position of the discharged gas to be changed, so that the gas is positioned as backup gas between the pressure push plate 44 and the ventilation plate 46. At this time, under the action of the detection module 421 (which can be a gas flow sensor), the amount of backup gas is detected, and based on the provided data... To determine if there is an air leak, if the amount of gas is excessive and exceeds the set threshold, check for issues such as the air conditioner not venting air during operation, air being introduced during water replenishment, or a leaky system allowing air to seep in. This allows for timely feedback on issues related to the use of the air-conditioned clothing. When no liquid is being introduced, the push rod 43 can be pressed. Before use, the push rod 43 needs to be unrestricted. By tightening the nut on the outside, the push rod 43 causes the gas inside the air storage box 42 to move rapidly, impacting the vent plate 46. This opens the vent through the force-opening groove 461. The force-opening groove 461 works by using an inverted rigid diaphragm that is closed when not under force. When subjected to external force, the diaphragm opens outward, forming a channel to allow air to escape. The gas is injected into the additional liquid-filling pipe 41 through the ventilation chamber 47, causing the impacting gas to act on the surface of the filter screen 411 and enter the return water pipe 12 through the filter holes of the filter screen 411. A sealing strip can be installed at the connection between the dust-clearing plate 45 and the additional liquid-filling pipe 41 to ensure the connection is airtight. The transition hole 451 allows liquid to pass through the dust-clearing plate 45. When the sealing plate 452 enters the dust collection box 48, it can open the channel connecting the additional liquid-filling pipe 41 and the dust collection box 48. At the same time, when the push rod 43 moves, it can drive the dust-clearing plate 45 to move, moving the sealing plate 452 into the dust collection box 48, so that the additional liquid-filling pipe 41 opens the channel connecting with the dust collection box 48, allowing impurities on the surface of the filter screen 411 to pass through the additional liquid-filling pipe 41. The liquid pipe 41 enters the dust collection box 48 from the outside. Since the sealing plate 452 and the pressure supply plate 44 move together, it is easy to operate. At the same time, the pressure supply plate 44 reaches the stroke to discharge the gas inside the air storage box 42. The sealing plate 452 moves in the active area 481, so that the movement strokes of the two do not interfere with each other. The pressurized gas can drive the gas in the pipeline to move and be discharged through the exhaust valve 2. At the same time, it blows the impurities on the surface of the filter screen 411 into the dust collection box 48 and falls into the dust collection area 482 for collection. The discharged gas is used to treat the impurities on the surface of the filter screen 411 and to accelerate the movement of the gas inside the liquid pipe 41. This allows the gas to be quickly discharged when the air-conditioned clothing is used again, ensuring the stable use of the air-conditioned clothing.

[0037] The above merely provides the preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A method for effectively and quickly venting air from a branch pipe of an air-conditioning garment, comprising an air-conditioning unit (1), wherein the air-conditioning unit (1) is provided with an inlet pipe (11) and a return pipe (12), and the return pipe (12) is provided with an air vent valve (2), characterized in that, The exhaust valve (2) has a gas collection box (21) fixedly connected to its outlet end. A gas treatment assembly (4) is provided at one end of the return water pipe (12). The gas treatment assembly (4) includes an additional liquid passage pipe (41), a gas storage box (42), a push rod (43), and a dust collection box (48). The gas storage box (42) is fixed to the outside of the additional liquid passage pipe (41). The push rod (43) is slidably connected to the gas storage box (42). The dust collection box (48) is fixed to the outside of the additional liquid passage pipe (41). The gas collection box (21) is connected to the gas storage box (42) through the ventilation pipe (3). A filter screen (411) for filtering impurities is fixedly connected inside the additional liquid pipe (41). A ventilation plate (46) is fixedly connected inside the gas storage box (42). A pressure supply push plate (44) is fixedly connected to one end of the push rod (43). There is a gas storage cavity between the pressure supply push plate (44) and the ventilation plate (46). The storage cavity is opposite to the filter screen (411) and the dust collection box (48). The method for venting air from the branch pipes of the air-conditioning garment includes the following steps: S1: Liquid is introduced into the return water pipe (12), and gas is discharged into the gas collection box (21) through the exhaust valve (2) to form exhaust gas, which is stored in the gas storage box (42) through the ventilation pipe (3) to form standby gas; S2: Detect the amount of backup gas and determine whether there is a leak based on the provided data; S3: The backup gas is pushed into the additional liquid passage (41) to apply pressure. The pressure acts on the filter screen (411) and the inside of the additional liquid passage (41), thereby achieving the treatment of impurities on the surface of the filter screen (411) and the rapid movement of gas inside the additional liquid passage (41).

2. The method for effectively and quickly expelling air from the branch pipes of an air-conditioned garment according to claim 1, characterized in that, The additional liquid inlet pipe (41) is sealed to the return water pipe (12), and there is a venting chamber (47) between the gas storage box (42) and the additional liquid inlet pipe (41), and a one-way valve is provided in the venting chamber (47).

3. The method for effectively and quickly venting air from the branch pipes of an air-conditioned garment as described in claim 1, characterized in that, The outer wall of the push rod (43) is provided with a nut for locking, and the vent plate (46) has several force-opening slots (461), and the (42) is provided with a detection module (421) for detecting the amount of gas.

4. The method for effectively and quickly venting air from the branch pipes of an air-conditioning garment according to claim 2, characterized in that, One end of the push rod (43) is fixedly connected to a dust-venting plate (45), which is slidably connected to the additional liquid-venting pipe (41). The dust-venting plate (45) has a transition hole (451) located inside the additional liquid-venting pipe (41).

5. A method for effectively and quickly venting air from a branch pipe of an air-conditioning garment according to claim 4, characterized in that, A sealing plate (452) is fixedly connected to one side of the dust-venting plate (45), and the additional liquid-venting pipe (41) has a sealing groove. The sealing groove is used to connect the dust collection box (48) and the additional liquid-venting pipe (41), and the sealing plate (452) is located in the sealing groove.

6. The method for effectively and quickly venting air from a branch pipe of an air-conditioned garment according to claim 4, characterized in that, The ventilation cavity (47) is located between the filter screen (411) and the transition hole (451), and the transition hole (451) is provided with an elastic sliding plate for sealing the hole.

7. A method for effectively and quickly venting air from a branch pipe of an air-conditioned garment as described in claim 5, characterized in that, The dust collection box (48) has an active area (481) inside that corresponds to the sealing plate (452).

8. A method for effectively and quickly venting air from a branch pipe of an air-conditioning garment according to claim 7, characterized in that, The dust collection box (48) has a dust collection area (482) inside, which is located at the bottom of the active area (481).

Citation Information

Patent Citations

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