Floor air supply device capable of replacing fresh air

Abstract

The utility model relates to the field of floor air supply, and discloses a floor air supply device capable of replacing fresh air, which comprises a shell, the outer wall of the shell is fixedly connected with a connecting pipe, the side wall of the shell is fixedly connected with an outdoor air inlet pipe, and the side wall of the shell is fixedly connected with an outdoor air outlet pipe. A first air inlet fan is arranged in the outdoor connecting air inlet pipe, a first exhaust fan is arranged in the outdoor connecting air outlet pipe, a total heat exchange core is fixedly connected to the inner wall of the shell, a filter screen plate is arranged in the shell, a fixing pipe is arranged on the outer wall of a connecting pipe, and a box body is fixedly connected to a pipe opening of the fixing pipe. According to the utility model, through the cooperation of the floor air supply mechanism and the fresh air replacement mechanism, outdoor air is guided into a room after being filtered and subjected to daily heat exchange, and indoor air is pumped out and exhausted outdoors, so that the circulation and circulation of indoor and outdoor air are promoted under the condition that the indoor wall surface or the top space is not occupied.

Description

TECHNICAL FIELD

[0001] The utility model relates to the floor air supply field especially can replace the floor air supply device of fresh air. BACKGROUND

[0002] The main reasons that the indoor fresh air needs to be replaced include providing fresh air, filtering harmful substances, saving energy and electricity, and controlling humidity and moisture, etc. First, providing fresh air is one of the important reasons that the indoor fresh air needs to be replaced. The fresh air system can send the fresh air outside into the room after purification treatment, and at the same time, the dirty air in the room is discharged, so as to ensure the freshness and oxygen sufficiency of the indoor air.

[0003] Through the search, the patent announcement number: CN212649962U discloses a kind of air supply floor device, by floor body and suction fan, multiple ventilation holes are arranged on floor body, floor body is fixed suction fan towards ground side, the flow and diffusion speed of cold air is improved by suction fan, the refrigeration effect of equipment is improved.

[0004] In the above technical scheme, the flow and diffusion speed of cold air in the room are improved by the setting of ventilation hole and suction fan, but the floor air supply device cannot provide fresh air replacement for the room, so that the outside air cannot enter the room and replace the indoor air after filtration and heat exchange, which reduces the air supply effect of floor air supply device. Therefore, a floor air supply device capable of replacing fresh air is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of floor air supply device that can replace fresh air, aims at improving the floor air supply device that can replace fresh air in prior art cannot replace outdoor air with indoor air after filtration and heat exchange treatment, resulting in the problem of reducing the air supply effect of floor air supply device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of floor air supply device that can replace fresh air, including shell, the outer wall of shell is fixedly connected with connecting pipe, the side wall of shell is fixedly connected with outdoor air inlet pipe, the side wall of shell is fixedly connected with outdoor air outlet pipe, the inside of outdoor air inlet pipe is provided with fan one, the inside of outdoor air outlet pipe is provided with exhaust fan one, the inner wall of shell is fixedly connected with full heat exchange core, the inside of shell is provided with filter screen, the outer wall of connecting pipe is provided with fixed pipe, the pipe opening of fixed pipe is fixedly connected with box, the inner wall of box is provided with exhaust chamber, the inner wall of box is provided with air inlet chamber, the inside of exhaust chamber is provided with exhaust fan two, the inside of air inlet chamber is provided with fan two, the surface of box is provided with fixed frame, the top of fixed frame is provided with ground air port decorative surface.

[0007] As a further description of the above technical solutions:

[0008] The outer wall of the filter screen plate is matched with the inner wall of the outdoor air inlet pipe.

[0009] As a further description of the above technical solutions:

[0010] The inner wall of the upper end of the box body is matched with the outer wall of the fixing frame.

[0011] As a further description of the above technical solutions:

[0012] The end of the connecting pipe away from the shell is detachably connected with the end of the fixing pipe away from the box body.

[0013] As a further description of the above technical solutions:

[0014] The bottom of the ground air outlet decorative surface is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a magnetic piece, the bottom of the ground air outlet decorative surface is provided with a protective net, a through groove is formed through the surface of the protective net, a sealing block is arranged in the through groove, and the outer wall of the sealing block is fixedly connected with a fixing piece.

[0015] As a further description of the above technical solutions:

[0016] The inner wall of the mounting groove is matched with the outer wall of the sealing block.

[0017] As a further description of the above technical solutions:

[0018] The inner wall of the through groove is matched with the outer wall of the sealing block.

[0019] As a further description of the above technical solutions:

[0020] The outer wall of the side of the fixing piece away from the sealing block is fixedly connected with the outer wall of the magnetic piece.

[0021] The utility model has the advantages of the following:

[0022] 1、The floor air supply mechanism and the fresh air replacement mechanism are matched, outdoor air is filtered and heat exchanged, and then introduced into the room, indoor air is extracted and discharged to the outdoor, the circulation and flow of indoor and outdoor air are promoted without occupying the indoor wall surface or the top space.

[0023] 2、The protective fixing mechanism can prevent ground sundries from falling into the box body through the ground air outlet decorative surface, and ensure the quick disassembly and assembly of the protective net, the tightness of the protective net during installation, the wind resistance of the fresh air system, and the air outlet efficiency of the ground air outlet decorative surface. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the external structure of the housing of a floor air supply device capable of replacing fresh air, as proposed in this utility model.

[0025] Figure 2 This is a cross-sectional schematic diagram of the casing of a floor air supply device capable of replacing fresh air, as proposed in this utility model.

[0026] Figure 3 This is a partial schematic diagram of the housing of a floor air supply device capable of replacing fresh air, as proposed in this utility model.

[0027] Figure 4 This is a top view schematic diagram of the housing structure of a floor air supply device capable of replacing fresh air, as proposed in this utility model.

[0028] Figure 5 This is an exploded view of the internal structure of the housing of a floor air supply device capable of replacing fresh air, as proposed in this utility model.

[0029] Figure 6 A top view schematic diagram of the decorative surface structure of the floor vent of a floor air supply device capable of replacing fresh air, as proposed in this utility model;

[0030] Figure 7 A bottom view of the floor vent decorative surface and protective net structure of a floor air supply device that can replace fresh air, as proposed in this utility model;

[0031] Figure 8 The protective net and sealing block structure of the floor air supply device that can replace fresh air proposed in this utility model are separated.

[0032] Legend:

[0033] 1. Shell; 2. Connecting pipe; 3. Connecting to outdoor air inlet pipe; 4. Connecting to outdoor air outlet pipe; 5. Exhaust fan one; 6. Inlet fan one; 8. Filter screen; 9. Total heat exchange core; 10. Box body; 11. Exhaust chamber; 12. Inlet chamber; 13. Exhaust fan two; 14. Inlet fan two; 15. Fixing bracket; 16. Floor vent decorative surface; 17. Fixing pipe; 18. Mounting groove; 19. Magnetic plate; 20. Protective net; 21. Through groove; 22. Sealing block; 23. Fixing plate. Detailed Implementation

[0034] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0035] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Figures 1-3 The present application provides an embodiment: a floor air supply device capable of replacing fresh air, comprising a shell 1, a connecting pipe 2 fixedly connected to the outer wall of the shell 1, an outdoor air inlet pipe 3 fixedly connected to the side wall of the shell 1, an outdoor air outlet pipe 4 fixedly connected to the side wall of the shell 1, an air inlet fan one 6 arranged in the indoor air inlet pipe 3, an air outlet fan one 5 arranged in the outdoor air outlet pipe 4, a full-heat heat exchange core 9 fixedly connected to the inner wall of the shell 1, a filter screen plate 8 arranged in the shell 1, the filter screen plate 8 being arranged in several groups and being equidistantly distributed on the back side of the air inlet fan one 6, the multiple groups of equidistantly arranged filter screen plates 8 being capable of filtering dust in the air, removing harmful substances such as suspended particulate matters and PM2.5 in outdoor air, and ensuring the cleanliness of the replaced fresh air, the outer wall of the filter screen plate 8 being matched with the inner wall of the outdoor air inlet pipe 3, the shell 1, the full-heat heat exchange core 9, the filter screen plate 8, the air inlet fan one 6 and the air outlet fan one 5 forming a fresh air replacement mechanism, the fresh air replacement mechanism being capable of being installed on the ground of a sundry room and a device room, and being capable of being hidden in the ceiling of a bathroom and a kitchen.

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Figures 3-5 The outer wall of the connecting pipe 2 is provided with a fixed pipe 17, the fixed pipe 17 is fixedly connected with a box body 10, the end of the connecting pipe 2 away from the shell 1 is detachably connected with the end of the fixed pipe 17 away from the box body 10, the inner wall of the box body 10 is provided with an air outlet chamber 11, the inner wall of the box body 10 is provided with an air inlet chamber 12, the air outlet chamber 11 is provided with an air outlet fan two 13, the air inlet chamber 12 is provided with an air inlet fan two 14, the surface of the box body 10 is provided with a fixing frame 15, the inner wall of the upper end of the box body 10 is matched with the outer wall of the fixing frame 15, the top of the fixing frame 15 is provided with a ground air outlet decorative surface 16, the box body 10, the air inlet chamber 12, the air outlet chamber 11, the air inlet fan two 14, the air outlet fan two 13, the fixing frame 15 and the ground air outlet decorative surface 16 form a floor air supply mechanism, the floor air supply mechanism is installed under the floor, the ground air outlet decorative surface 16 is flush with the floor, and the surface of the ground air outlet decorative surface 16 is provided with a plurality of groups of equidistantly distributed air outlets.

[0037] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Figures 6-8The bottom of the ground air outlet decorative surface 16 is provided with an installation slot 18, the inner wall of the installation slot 18 is fixedly connected with a magnetic sheet 19, the bottom of the ground air outlet decorative surface 16 is provided with a protective net 20, a through slot 21 is formed through the surface of the protective net 20, the inside of the through slot 21 is provided with a sealing block 22, the sealing block 22 is provided in an inverted T shape, the sealing block 22 is inserted into the inside of the installation slot 18 after being taken out from the inside of the through slot 21, the sealing block 22 is fixed by the magnetic force between the magnetic sheet 19 and a fixed sheet 23, at this time, the edge of the through slot 21 is covered by the sealing block 22, the inner wall of the installation slot 18 is matched with the outer wall of the sealing block 22, the inner wall of the through slot 21 is matched with the outer wall of the sealing block 22, the outer wall of the sealing block 22 is fixedly connected with the fixed sheet 23, the outer wall of the fixed sheet 23 away from the sealing block 22 is fixedly connected with the outer wall of the magnetic sheet 19, the installation slot 18, the magnetic sheet 19, the through slot 21, the sealing block 22 and the fixed sheet 23 are each provided with two groups, and form a protective fixing assembly with the protective net 20, which is installed at the bottom area of the ground air outlet decorative surface 16, so as to prevent the sundries and dust on the ground from falling into the box body 10 through the ground air outlet decorative surface 16.

[0038] Working principle: the connecting pipe 2 and the fixed pipe 17 are connected and installed through the flange plate, the outdoor air is sucked into the outdoor air inlet pipe 3 by the air inlet fan 6, and then filtered by a plurality of filter screen plates 8, and then contacted with the total heat exchange core 9, the total heat exchange core 9 can absorb the cold energy of the winter cold air or the heat energy of the summer hot air from the outside, and transfer the cold energy or heat energy to the indoor dirty air, so as to realize the exchange of heat or cold energy between indoor and outdoor air, achieve the purpose of heat recovery or cold recovery, the air filtered and exchanged by the air inlet fan 14 is introduced into the air inlet chamber 12, and finally overflowed through the ground air outlet decorative surface 16, at the same time, the air in the room is sucked into the air outlet chamber 11 by the air outlet fan 13, and then the indoor air is discharged by the air outlet fan 5, so as to complete the replacement of fresh air, the protective net 20 at the bottom of the ground air outlet decorative surface 16 can hold sundries and the like which are accidentally dropped, the ground air outlet decorative surface 16 is forced upward to be away from the fixed frame 15, after the ground air outlet decorative surface 16 is separated from the box body 10, the sealing block 22 is forced outward, the sealing block 22 drives the fixed sheet 23 to be separated from the magnetic sheet 19, the protective net 20 is released from positioning, the sundries in the protective net 20 are cleaned, and then the above steps are reversed to position the protective net 20, the protective net 20 is positioned by the sealing block 22 on the front and back sides, so as to ensure that the protective net 20 is in a straight state, the tightly stretched protective net 20 can make the air pass more uniformly, reduce local resistance, thereby reducing the air resistance of the whole fresh air system, and ensuring the air volume and air flow stability of the air outlet.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A floor air supply device capable of replacing fresh air, comprising a shell (1), an outer wall of the shell (1) is fixedly connected with a connecting pipe (2), a side wall of the shell (1) is fixedly connected with an outdoor air inlet pipe (3), and a side wall of the shell (1) is fixedly connected with an outdoor air outlet pipe (4), characterized in that: The inside of the outdoor air inlet pipe (3) is provided with an air inlet fan (6), the inside of the outdoor air outlet pipe (4) is provided with an exhaust fan (5), the inner wall of the shell (1) is fixedly connected with a total heat exchange core (9), the inside of the shell (1) is provided with a filter screen plate (8), the outer wall of the connecting pipe (2) is provided with a fixed pipe (17), the pipe opening of the fixed pipe (17) is fixedly connected with a box (10), the inner wall of the box (10) is provided with an exhaust chamber (11), the inner wall of the box (10) is provided with an air inlet chamber (12), the inside of the exhaust chamber (11) is provided with an exhaust fan (13), the inside of the air inlet chamber (12) is provided with an air inlet fan (14), the surface of the box (10) is provided with a fixed frame (15), the top of the fixed frame (15) is provided with a ground air outlet decorative surface (16).

2. The floor air supply device capable of replacing fresh air according to claim 1, wherein: The outer wall of the filter screen plate (8) is matched with the inner wall of the outdoor air inlet pipe (3).

3. The floor air supply device capable of replacing fresh air according to claim 1, characterized in that: The inner wall of the upper end of the box (10) is matched with the outer wall of the fixed frame (15).

4. The floor air supply device capable of replacing fresh air according to claim 1, wherein: The end of the connecting pipe (2) away from the shell (1) is detachably connected with the end of the fixed pipe (17) away from the box (10).

5. The floor air supply device capable of replacing fresh air according to claim 1, wherein: The bottom of the ground air outlet decorative surface (16) is provided with a mounting groove (18), the inner wall of the mounting groove (18) is fixedly connected with a magnetic piece (19), the bottom of the ground air outlet decorative surface (16) is provided with a protective net (20), the surface of the protective net (20) is provided with a through groove (21), the inside of the through groove (21) is provided with a sealing block (22), the outer wall of the sealing block (22) is fixedly connected with a fixed piece (23).

6. The floor air supply device capable of replacing fresh air according to claim 5, wherein: The inner wall of the mounting groove (18) is matched with the outer wall of the sealing block (22).

7. The floor air supply device capable of replacing fresh air according to claim 5, characterized in that: The inner wall of the through groove (21) is matched with the outer wall of the sealing block (22).

8. The floor air supply device capable of replacing fresh air according to claim 5, wherein: The outer wall of the side of the fixed piece (23) away from the sealing block (22) is fixedly connected with the outer wall of the magnetic piece (19).

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