A confined space air exchange apparatus and method

Abstract

The application discloses a kind of confined space air exchange device and method, and the application relates to air exchange technical field.The confined space air exchange device and method cooperate with air inlet pipeline and exhaust pipeline, when carrying out air exchange operation, external air can be transported to confined space through air inlet pipeline and air inlet adapter pipe along with the operation of fan equipment, and the air inside confined space is extracted at the same time through the cooperation of exhaust pipeline and exhaust adapter pipe, which ensures the air exchange effect of confined space and improves the operation convenience.Meanwhile, through the setting of exhaust end, on the one hand, it can complete automatic closure when air exchange is completed, and on the other hand, it can improve the exhaust uniformity of the equipment, further improving the use effect and application range of the equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air exchange, in particular to a limited space air exchange device and method. BACKGROUND

[0002] The limited space refers to a relatively small space or a closed space, etc. At present, the limited space is often ventilated by using a ventilation device to achieve the effect of air exchange. Referring to the Chinese patent with the publication number "CN115949601A", "a limited space air exchange device", the patent points out that the existing air exchange equipment is often in the same position when air exchange, which cannot meet the use requirements. However, the above-mentioned equipment still has the problems of poor air exchange effect and operation convenience. To solve the above-mentioned problems, the present application provides a limited space air exchange device and method. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides a limited space air exchange device and method to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purposes, the present application is implemented by the following technical scheme: a limited space air exchange device, comprising a machine body, an air inlet pipe and an air outlet pipe are fixed in the machine body respectively, the air inlet pipe is used to be connected to a fan device, one end of the air inlet pipe away from the fan device is connected with an air inlet adapter pipe, the air inlet adapter pipe is used to extend to the limited space for air delivery, an air outlet adapter pipe is connected to the end of the air outlet pipe, and the air outlet adapter pipe extends to the inside of the limited space, a transmission assembly is arranged between the air outlet pipe and the air inlet pipe, which is used to extract the air inside the limited space through the air outlet pipe to complete air exchange.

[0005] The transmission assembly comprises a driving rod and a transmission rod, the driving rod is rotatably connected in the air inlet pipe, the transmission rod is rotatably connected in the air outlet pipe, driving blades and transmission blades are fixedly sleeved on the outer sides of the driving rod and the transmission rod respectively, driving gears are fixedly sleeved on the ends of the driving rod and the transmission rod, and the two driving gears are meshed with each other.

[0006] Preferably, sealing rings are fixedly installed in the air outlet pipe and the air inlet pipe respectively, and the end of the transmission rod penetrates through the sealing ring and is slidably connected therewith.

[0007] Preferably, an adapter end head is fixedly installed at the end of the air inlet adapter pipe and the air outlet adapter pipe, which is used for pipe adapter operation, and a sealing end head is inserted into the adapter end head.

[0008] Preferably, the inside of the air inlet adapter pipe is provided with an air outlet end for discharging the delivered air into the confined space, the air outlet end is fixedly connected with the air inlet adapter pipe, arc-shaped air outlet openings are formed on both sides of the air outlet end, limit sliding grooves are formed in the inside of both sides of the air outlet end, arc-shaped sealing plates are slidably connected in the limit sliding grooves, the arc-shaped sealing plates are used for sealing the corresponding arc-shaped air outlet openings, an adapter ring frame is fixedly installed between the two arc-shaped sealing plates, and a return spring is fixedly installed between the adapter ring frame and the inner wall of the air outlet end.

[0009] Preferably, a positioning frame is fixedly installed in the inside of the air outlet end, and an air outlet shaft is rotatably installed in the positioning frame.

[0010] Preferably, an air inlet end is fixedly installed in the inside of the air outlet adapter pipe, and a screen is fixedly installed in the air inlet end.

[0011] Preferably, a filter pipe is fixedly installed in the inside of the air inlet pipe, the filter pipe is used for filtering impurities contained in the delivered air, and a conical filter screen is fixedly installed in the filter pipe.

[0012] Preferably, a plurality of right-angle connecting pieces are fixedly installed at the bottom of the conical filter screen, and the right-angle connecting pieces are fixedly installed in the inside of the filter pipe.

[0013] Preferably, a cleaning shaft is rotatably connected in the inside of the filter pipe, one end of the cleaning shaft is fixedly connected to a driving rod, the other end of the cleaning shaft away from the driving rod penetrates through the conical filter screen and is fixedly installed with a positioning ring, an elastic cleaning scraper is fixedly installed on the outside of the positioning ring, the elastic cleaning scraper is used for cleaning the conical filter screen, and a storage cavity is formed in the inside of the filter pipe.

[0014] The application further discloses a confined space air exchange method based on the air exchange device.

[0015] S1, first, install the machine body in the confined space, then extend the air inlet pipe to the outside and connect it to the fan device, similarly, extend the air outlet pipe to the outside, then prepare a plurality of air inlet adapter pipes and air outlet adapter pipes according to the size of the confined space, and connect the plurality of air inlet adapter pipes and the plurality of air outlet adapter pipes to the air inlet pipe and the air outlet pipe through the adapter ends respectively.

[0016] S2, as the fan device operates, the air outside can be extracted and delivered into the confined space through the air inlet pipe and the air inlet adapter pipe, when the air enters the inside of the air outlet end, the adapter ring frame can be pressed and lifted up, and the arc-shaped sealing plates on both sides are lifted up, at this time, the air can be discharged through the arc-shaped air outlet openings on both sides.

[0017] S3、When air enters the inside of the air inlet pipe, the driving rod can be driven to run through the cooperation of the driving blade, and the transmission rod and the transmission blade can be driven to run through the cooperation of the driving gear, along with the running of the transmission blade, the air inside the limited space can be extracted and discharged through the exhaust pipe and the exhaust adapter pipe, so that the air exchange is realized.

[0018] S4, when the air enters the air inlet adapter pipe through the air inlet pipe, the impurities in the air can be filtered through the conical filter screen when passing through the filter pipe, and the conical filter screen can be cleaned through the cooperation of the cleaning shaft and the elastic cleaning scraper, so that the impurities can fall into the storage cavity for collection.

[0019] The application provides a limited space air exchange device and method.

[0020] (1) The limited space air exchange device and method, through the cooperation of the air inlet pipe and the exhaust pipe, during the air exchange operation, the external air can be transported to the limited space through the air inlet pipe and the air inlet adapter pipe along with the running of the fan equipment, and the air inside the limited space can be extracted through the cooperation of the exhaust pipe and the exhaust adapter pipe, so that the air exchange effect of the limited space is ensured, the operation convenience is improved, and through the setting of the exhaust end, on the one hand, automatic closing can be completed when the air exchange is completed, and on the other hand, the exhaust uniformity of the equipment can be improved, and the use effect and application range of the equipment are further improved.

[0021] (2) The limited space air exchange device and method, through the setting of the filter pipe, when the equipment is performing the air exchange, the air can be filtered through the conical filter screen, and through the cooperation of the cleaning shaft and the positioning ring, the elastic cleaning scraper can be driven to rotate along the outer surface of the conical filter screen, so that the impurities attached to the surface of the conical filter screen are cleaned, until the impurities fall into the storage cavity, the automatic collection and treatment of the impurities are completed, and the air exchange effect and maintenance convenience of the equipment are further improved. DETAILED DESCRIPTION

[0022] Figure 1 It is a schematic diagram of the body structure of the application;

[0023] Figure 2 It is a schematic diagram of the body structure of the application;

[0024] Figure 3 It is a schematic diagram of the air inlet pipe and the filter pipe of the application;

[0025] Figure 4 It is a schematic diagram of the air inlet pipe and the filter pipe of the application; Figure 3 Front view;

[0026] Figure 5 For the application Figure 4 Amplification structure schematic diagram in the application;

[0027] Figure 6 For the application inlet pipe and exhaust end cross-section structure schematic diagram;

[0028] Figure 7 For the application Figure 6 Amplification structure schematic diagram in the application;

[0029] Figure 8 For the application exhaust pipe cross-section structure schematic diagram.

[0030] In the figure: 1, the body; 2, inlet pipe; 3, exhaust pipe; 4, inlet pipe; 5, exhaust pipe; 6, pipe; 601, sealing end; 7, exhaust end; 701, arc exhaust port; 702, limit sliding groove; 8, arc sealing plate; 9, adapter ring frame; 901, reset spring; 10, exhaust shaft; 1001, positioning frame; 1002, arc exhaust piece; 11, inlet end; 1101, screen; 12, drive rod; 1201, drive blade; 13, transmission rod; 1301, transmission blade; 1302, sealing ring; 14, drive gear; 15, filter pipe; 1501, storage cavity; 16, conical filter screen; 1601, right-angle connecting piece; 17, cleaning shaft; 1701, positioning ring; 1702, elastic cleaning scraper. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0032] Please refer to Figures 1-8 The application provides two technical solutions, specifically including the following embodiments:

[0033] Embodiment one:

[0034] In the embodiment of the present application, a limited space air exchange device comprises a body 1, an air inlet pipeline 2 and an air outlet pipeline 3 are fixed in the body 1 respectively, the air inlet pipeline 2 is used for connecting to a fan device, the fan device is an existing device, used for air delivery operation, an air inlet connecting pipe 4 is connected to the end of the air inlet pipeline 2 away from the fan device, the air inlet connecting pipe 4 is used for extending to the limited space to deliver air, an air outlet connecting pipe 5 is connected to the end of the air outlet pipeline 3, and the air outlet connecting pipe 5 extends to the inside of the limited space, a transmission assembly is arranged between the air outlet pipeline 3 and the air inlet pipeline 2, used for extracting air in the limited space through the air outlet pipeline 3 to complete air exchange;

[0035] In the embodiment of the present application, specifically, when air is exchanged, external air is delivered to the limited space through the air inlet pipeline 2 and the air inlet connecting pipe 4 with the operation of the fan device, and the air in the limited space is extracted through the cooperation of the air outlet pipeline 3 and the air outlet connecting pipe 5, so that the air exchange effect of the limited space is ensured.

[0036] In the embodiment of the present application, specifically, the transmission assembly comprises a driving rod 12 and a transmission rod 13, the driving rod 12 is rotatably connected in the air inlet pipeline 2, the transmission rod 13 is rotatably connected in the air outlet pipeline 3, driving blades 1201 and transmission blades 1301 are fixedly sleeved on the outer sides of the driving rod 12 and the transmission rod 13 respectively, driving gears 14 are fixedly sleeved on the ends of the driving rod 12 and the transmission rod 13, the two driving gears 14 are meshed with each other, air passing through the air inlet pipeline 2 and the driving blades 1201 can drive the driving rod 12 to operate, and the driving gears 14 and the transmission rod 13 are cooperated to complete transmission operation, so that the consistency of air input and output in the limited space is ensured.

[0037] In the embodiment of the present application, specifically, sealing rings 1302 are fixedly installed in the air outlet pipeline 3 and the air inlet pipeline 2 respectively, the end of the transmission rod 13 penetrates through the sealing ring 1302 and is slidably connected therewith, the sealing ring 1302 can improve the sealing property between the transmission rod 13 and the air outlet pipeline 3 and the air inlet pipeline 2, and effectively reduce air leakage.

[0038] In the embodiment of the present application, specifically, the ends of the air inlet connecting pipe 4 and the air outlet connecting pipe 5 are fixedly installed with connecting end heads 6, used for connecting operation of the pipelines, sealing end heads 601 are inserted in the connecting end heads 6, the connecting end heads 6 are used for connecting multiple air inlet connecting pipes 4 or multiple air outlet connecting pipes 5, a corresponding number of air inlet connecting pipes 4 and air outlet connecting pipes 5 can be selected according to the size of the limited space to perform air exchange operation, the connecting end heads 6 can ensure the convenience of pipeline laying, and facilitate air exchange operation for different limited spaces.

[0039] Further in the embodiment of the present application, the inside of the air inlet adapter pipe 4 is provided with an air outlet head 7 for discharging the delivered air into the confined space, the air outlet head 7 is fixedly connected with the air inlet adapter pipe 4, and arc-shaped air outlet ports 701 are formed on both sides of the air outlet head 7, limit sliding grooves 702 are formed on both sides of the inside of the air outlet head 7, and arc-shaped sealing plates 8 are slidably connected in the limit sliding grooves 702, the arc-shaped sealing plates 8 are used for sealing the corresponding arc-shaped air outlet ports 701, a connecting ring frame 9 is fixedly installed between the two arc-shaped sealing plates 8, and a reset spring 901 is fixedly installed between the connecting ring frame 9 and the inner wall of the air outlet head 7; during the air exchange process, with the air entering the inside of the air outlet head 7, the connecting ring frame 9 can be pressed and lifted up, and the arc-shaped sealing plates 8 on both sides are driven to slide up, at this time, the arc-shaped air outlet ports 701 are opened, and the air can be discharged through the arc-shaped air outlet ports 701 on both sides, when the air discharge is completed and the fan equipment stops, the connecting ring frame 9 can drive the arc-shaped sealing plates 8 on both sides to reset, and the arc-shaped air outlet ports 701 are closed, so as to avoid the dust and other sundries from entering the inside of the air inlet adapter pipe 4, and the working effect is ensured;

[0040] Further in the embodiment of the present application, the inside of the air outlet head 7 is fixedly provided with a positioning frame 1001, and an air outlet shaft 10 is rotatably installed in the positioning frame 1001, a plurality of arc-shaped air outlet fins 1002 are fixedly installed on the outside of the air outlet shaft 10, when the air is discharged through the air outlet head 7, the air outlet direction can be changed by contacting the plurality of arc-shaped air outlet fins 1002, and the plurality of arc-shaped air outlet fins 1002 can be driven to run with the air outlet shaft 10, and the air outlet uniformity is further improved;

[0041] In the embodiment of the present application, specifically, the inside of the air outlet adapter pipe 5 is fixedly provided with an air inlet head 11, and a blocking net 1101 is fixedly installed in the air inlet head 11, the blocking net 1101 can block the sundries;

[0042] Further in the embodiment of the present application, the inside of the air inlet pipe 2 is fixedly provided with a filter pipe 15, the filter pipe 15 is used for filtering the sundries contained in the delivered air, and a conical filter screen 16 is fixedly installed in the filter pipe 15, when the air passes through the filter pipe 15, the air can be filtered by the cooperation of the conical filter screen 16;

[0043] In the embodiment of the present application, specifically, a plurality of right-angle connecting pieces 1601 are fixedly installed at the bottom of the conical filter screen 16, and the right-angle connecting pieces 1601 are fixedly installed in the inside of the filter pipe 15;

[0044] In the embodiment of the present application, the inside of the filtering pipeline 15 is rotatably connected with a cleaning shaft 17, one end of the cleaning shaft 17 is fixedly connected to the driving rod 12, the other end of the cleaning shaft 17 away from the driving rod 12 penetrates through the conical filter screen 16, and a positioning ring 1701 is fixedly installed, an elastic cleaning scraper 1702 is fixedly installed on the outside of the positioning ring 1701, the elastic cleaning scraper 1702 is used for cleaning the conical filter screen 16, a storage cavity 1501 is formed in the inside of the filtering pipeline 15, through the operation of the driving rod 12, the cleaning shaft 17 and the positioning ring 1701 can be driven to operate, so that the elastic cleaning scraper 1702 can operate along with the positioning ring 1701, rotates along the outer surface of the conical filter screen 16, and the impurities attached to the surface of the conical filter screen 16 are cleaned, until the impurities fall into the inside of the storage cavity 1501 to complete automatic collection.

[0045] Embodiment two: the embodiment of the present application discloses a method for air exchange in a limited space, based on the above-mentioned air exchange device, specifically comprising the following steps:

[0046] S1, first, the machine body 1 is installed in the limited space, then the air inlet pipeline 2 is extended to the outside and connected to the fan equipment, similarly, the air outlet pipeline 3 is extended to the outside, then according to the size of the limited space, a plurality of air inlet connecting pipes 4 and a plurality of air outlet connecting pipes 5 are prepared, and the plurality of air inlet connecting pipes 4 and the plurality of air outlet connecting pipes 5 are connected to the air inlet pipeline 2 and the air outlet pipeline 3 respectively through the connecting heads 6;

[0047] S2, along with the operation of the fan equipment, the air outside can be extracted and transported to the limited space through the air inlet pipeline 2 and the air inlet connecting pipe 4, when the air enters the inside of the air outlet end 7, the connecting ring frame 9 can be lifted up under pressure and drive the arc-shaped sealing plates 8 on both sides to slide up, at this time, the air can be discharged through the arc-shaped air outlets 701 on both sides;

[0048] S3, when the air enters the inside of the air inlet pipeline 2, the driving rod 12 can be driven to operate through the cooperation of the driving blades 1201, and the transmission rod 13 and the transmission blades 1301 can be driven to operate through the cooperation of the driving gear 14, along with the operation of the transmission blades 1301, the air inside the limited space can be extracted and discharged through the air outlet pipeline 3 and the air outlet connecting pipe 5, so as to realize the exchange of air.

[0049] S4, when the air passes through the air inlet pipeline 2 and enters the air inlet connecting pipe 4, the impurities in the air can be filtered through the conical filter screen 16 when passing through the filtering pipeline 15, and the conical filter screen 16 can be cleaned through the cooperation of the cleaning shaft 17 and the elastic cleaning scraper 1702, so that the impurities can fall into the inside of the storage cavity 1501 to realize collection.

[0050] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0051] The above detailed description of the present application is only a preferred embodiment of the present application, and should not be considered as limiting the scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the scope of the present application.

Claims

1. A confined space air exchange device, comprising a body (1), characterized in that: The body (1) is fixed with an air intake pipe (2) and an exhaust pipe (3). The air intake pipe (2) is used to connect to the fan equipment. The end of the air intake pipe (2) away from the fan equipment is connected to an air intake connector pipe (4). The air intake connector pipe (4) is used to extend into the confined space to transport air. The end of the exhaust pipe (3) is connected to an exhaust connector pipe (5), and the exhaust connector pipe (5) extends into the confined space. A transmission component is provided between the exhaust pipe (3) and the air intake pipe (2) to extract the air inside the confined space through the exhaust pipe (3) to complete the air exchange. The transmission assembly includes a drive rod (12) and a transmission rod (13). The drive rod (12) is rotatably connected inside the intake pipe (2), and the transmission rod (13) is rotatably connected inside the exhaust pipe (3). Drive blades (1201) and transmission blades (1301) are fixedly sleeved on the outer sides of the drive rod (12) and the transmission rod (13), respectively. Drive gears (14) are fixedly sleeved on the ends of the drive rod (12) and the transmission rod (13), and the two drive gears (14) mesh with each other. An exhaust end (7) is installed inside the intake connection pipe (4) for discharging the transported gas into a confined space. The exhaust end (7) is fixedly connected to the intake connection pipe (4), and arc-shaped exhaust ports (701) are opened on both sides of the exhaust end (7). Limiting grooves (702) are opened on both sides of the exhaust end (7), and arc-shaped sealing plates (8) are slidably connected inside the limiting grooves (702). The arc-shaped sealing plates (8) are used to seal the corresponding arc-shaped exhaust ports (701). A connecting ring frame (9) is fixedly installed between the two arc-shaped sealing plates (8), and a return spring (901) is fixedly installed between the connecting ring frame (9) and the inner wall of the exhaust end (7). The exhaust end (7) is fixedly installed with a positioning frame (1001), and an exhaust shaft (10) is rotatably installed inside the positioning frame (1001). Multiple arc-shaped exhaust plates (1002) are fixedly installed on the outside of the exhaust shaft (10). An air inlet end (11) is fixedly installed inside the exhaust connection pipe (5), and a screen (1101) is fixedly installed inside the air inlet end (11). The air intake pipe (2) is fixedly installed with a filter pipe (15), which is used to filter impurities contained in the transported air. The filter pipe (15) is fixedly installed with a cone-shaped filter screen (16).

2. The confined space air exchange device according to claim 1, characterized in that: Both the exhaust pipe (3) and the intake pipe (2) are fixedly installed with sealing rings (1302), and the end of the transmission rod (13) passes through the sealing ring (1302) and is slidably connected to it.

3. The confined space air exchange device according to claim 1, characterized in that: Both the intake connecting pipe (4) and the exhaust connecting pipe (5) are fixedly equipped with connecting heads (6) for connecting pipes. A sealing head (601) is inserted inside the connecting head (6).

4. The confined space air exchange device according to claim 1, characterized in that: The bottom of the conical filter screen (16) is fixedly installed with multiple right-angle connectors (1601), which are fixedly installed inside the filter pipe (15).

5. The confined space air exchange device according to claim 1, characterized in that: The filter pipe (15) is rotatably connected to a cleaning shaft (17). One end of the cleaning shaft (17) is fixedly connected to a drive rod (12). The end of the cleaning shaft (17) away from the drive rod (12) passes through the conical filter screen (16) and is fixedly installed with a positioning ring (1701). An elastic cleaning scraper (1702) is fixedly installed on the outside of the positioning ring (1701). The elastic cleaning scraper (1702) is used to clean the conical filter screen (16). The filter pipe (15) has a storage cavity (1501) inside.

6. A method for air exchange in a confined space, based on the air exchange device according to any one of claims 1-5, characterized in that, Specifically, the following steps are included: S1. First, install the body (1) in the confined space, then extend the air intake pipe (2) to the outside and connect it to the fan equipment. Similarly, extend the exhaust pipe (3) to the outside. Then, according to the size of the confined space, prepare multiple air intake connecting pipes (4) and exhaust connecting pipes (5), and connect the multiple air intake connecting pipes (4) and multiple exhaust connecting pipes (5) to the air intake pipe (2) and exhaust pipe (3) respectively through the connecting end (6). S2. As the fan equipment operates, it can draw in the outside air and deliver it to the confined space through the air intake pipe (2) and the air intake connecting pipe (4). When the air enters the exhaust end (7), the connecting ring frame (9) can be pushed up by pressure and drive the arc-shaped sealing plates (8) on both sides to slide up. At this time, the air can be discharged through the arc-shaped exhaust ports (701) on both sides. S3. When air enters the air intake pipe (2), it can drive the drive rod (12) to run through the cooperation of the drive blade (1201), and drive the transmission rod (13) and transmission blade (1301) to run through the cooperation of the drive gear (14). As the transmission blade (1301) runs, it can extract and remove the air inside the confined space through the exhaust pipe (3) and exhaust connection pipe (5) to achieve air exchange. S4. When air enters the intake connection pipe (4) through the intake pipe (2), it can filter impurities in the air through the conical filter screen (16) when passing through the filter pipe (15), and clean the conical filter screen (16) by the cooperation of the cleaning shaft (17) and the elastic cleaning scraper (1702), so that the impurities can fall into the storage chamber (1501) for collection.

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