Air conditioner fresh air exchange fan with noise reduction function

Abstract

The utility model relates to the field of air conditioner fresh air exchange fans, in particular to an air conditioner fresh air exchange fan with a noise reduction function. Comprising a machine box, a storage cavity is formed in the machine box, two sets of first sliding grooves are symmetrically formed in the edge of the inner wall of the top of the machine box, two sets of second sliding grooves are symmetrically formed in the edge of the inner wall of the bottom of the machine box, and two sets of silencing honeycomb plates are symmetrically arranged in the storage cavity; the top of each group of silencing honeycomb plates is slidably clamped in one group of first sliding grooves, the bottom of each group of silencing honeycomb plates is slidably clamped in one group of second sliding grooves, a plurality of groups of sound absorption holes are formed in the inner wall of the top of the case and the inner wall of the bottom of the case at equal intervals, and the plurality of groups of sound absorption holes communicate with the storage cavity; and a set of wave sound insulation cotton is arranged in each set of sound absorption holes, the ends, away from the storage cavity, of the multiple sets of wave sound insulation cotton communicate with a set of noise reduction cavities, and noise reduction cotton is arranged in the noise reduction cavities. According to the embodiment of the invention, noise is reduced, so that the harm to a human body is reduced while the noise reduction effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air conditioner fresh air fans, and in particular relates to an air conditioner fresh air fan with a noise reduction function. Background Art

[0002] The air conditioner fresh air fan is a new type of air conditioning system, which can not only cool or heat the air, but also realize the exchange of indoor and outdoor air by introducing fresh air, thereby improving the indoor air quality.

[0003] After searching, in the prior art, Chinese patent publication number: CN209991604U, authorization publication date: 2019-06-03, discloses an air conditioner fresh air machine, including a body, a heat exchanger, a fresh air channel and a dirty air channel are arranged in the body, a fresh air outlet and a dirty air outlet are arranged on one side of the body, a fresh air inlet and a dirty air inlet are arranged on the other side opposite to the body, a dirty air channel is fixedly connected between the dirty air outlet and the dirty air inlet, and a fresh air channel is fixedly connected between the fresh air outlet and the fresh air inlet. The above embodiment prevents the sponge board from getting wet and mildewed.

[0004] However, the device still has the following defects: the above embodiment does not have a noise reduction effect. If noise reduction is not performed, noise will be generated during use, forming noise pollution, thereby interfering with humans and affecting psychological and physical health. Utility Model Content

[0005] In view of the above problems, the utility model provides an air conditioner fresh air blower with a noise reduction function, comprising a chassis, a storage cavity is provided in the chassis, two groups of first slide grooves are symmetrically provided at the edge of the top inner wall of the chassis, two groups of second slide grooves are symmetrically provided at the edge of the bottom inner wall of the chassis, two groups of sound-absorbing honeycomb panels are symmetrically arranged in the storage cavity, the top of each group of the sound-absorbing honeycomb panels is slidably engaged in one of the first slide grooves, and the bottom of each group of the sound-absorbing honeycomb panels is slidably engaged in one of the second slide grooves;

[0006] A plurality of groups of sound-absorbing holes are evenly spaced on the top inner wall and the bottom inner wall of the chassis, and the plurality of groups of sound-absorbing holes are connected to the storage cavity. A group of wave sound-insulating cotton is arranged in each group of the sound-absorbing holes. The ends of the plurality of groups of wave sound-insulating cotton away from the storage cavity are connected to a group of silencer cavities, and the silencer cavities are provided with silencer cotton.

[0007] Furthermore, the two groups of the sound-absorbing honeycomb panels are both arranged in a rectangular structure, and a plurality of groups of honeycomb holes are arranged on the two groups of the sound-absorbing honeycomb panels.

[0008] Furthermore, a case door is installed on one side wall of the case, and a groove is provided at the center of an edge of a side wall of the case door away from the storage cavity.

[0009] Furthermore, an air inlet is provided on one side wall of the chassis, and the air inlet is arranged in a rectangular structure.

[0010] Furthermore, a first dust-proof net is arranged in the air inlet, and the first dust-proof net is arranged in a rectangular structure.

[0011] Furthermore, an air outlet is provided on a side wall of the chassis away from the air inlet, and the air outlet is arranged in a rectangular structure.

[0012] Furthermore, a second dust-proof net is arranged in the air outlet, and the second dust-proof net is arranged in a rectangular structure.

[0013] Furthermore, the air inlet is communicated with the storage cavity, the air outlet is communicated with the storage cavity, and the two groups of the second chutes are located directly below the two groups of the first chutes.

[0014] Furthermore, a fan mechanism is provided in the storage cavity, and the fan mechanism is located between two groups of sound-absorbing honeycomb panels. The top of the fan mechanism is installed at the center of the top inner wall of the chassis, and the bottom of the fan mechanism is installed at the center of the bottom inner wall of the chassis.

[0015] The beneficial effects of the utility model are:

[0016] 1. The fresh air fan generates noise when it is running. The sound-absorbing honeycomb panel blocks the sound waves and improves the sound absorption coefficient. The wave sound insulation cotton in the sound-absorbing hole and the sound-absorbing cotton in the sound-absorbing cavity absorb the noise and reduce the noise, which not only reduces the noise but also reduces the harm to the human body.

[0017] 2. The staff puts their fingers in the groove and pulls the door open to inspect and maintain the equipment in the storage cavity. The old silencer honeycomb panel is moved and pulled out. The two ends of the silencer honeycomb panel are slid out of the first slide groove and the second slide groove. The new silencer honeycomb panel is placed in the storage cavity. The two ends of the new silencer honeycomb panel are slid in the first slide groove and the second slide groove. The position of the new silencer honeycomb panel is the same as that of the old silencer honeycomb panel before replacement. The replacement is completed, which improves the convenience of replacement and facilitates the inspection and maintenance of the equipment.

[0018] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of an air conditioner fresh air fan according to an embodiment of the utility model is shown;

[0021] Figure 2 A cross-sectional schematic diagram of an air conditioner fresh air blower according to an embodiment of the utility model is shown;

[0022] Figure 3 A schematic diagram of the second chute structure according to an embodiment of the utility model is shown;

[0023] Figure 4 A schematic diagram of the structure of the wave sound insulation cotton according to an embodiment of the utility model is shown.

[0024] In the figure: 1. chassis; 2. cabinet door; 3. groove; 4. air inlet; 5. first dust-proof net; 6. air outlet; 7. second dust-proof net; 8. first slide slot; 9. second slide slot; 10. sound-absorbing honeycomb panel; 11. fan mechanism; 12. sound-absorbing hole; 13. wave sound-insulating cotton; 14. sound-absorbing chamber; 15. sound-absorbing cotton; 16. storage chamber. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model embodiment provides an air conditioner fresh air blower with noise reduction function, for example, Figure 1 , Figure 2 and Figure 3As shown, it includes a chassis 1, a storage cavity 16 is provided in the chassis 1, a box door 2 is installed on one side wall of the chassis 1, a groove 3 is provided at the center of the edge of a side wall of the box door 2 away from the storage cavity 16, an air inlet 4 is provided on one side wall of the chassis 1, the air inlet 4 is arranged in a rectangular structure, the air inlet 4 is connected with the storage cavity 16, a first dustproof net 5 is arranged in the air inlet 4, the first dustproof net 5 is arranged in a rectangular structure, an air outlet 6 is provided on one side wall of the chassis 1 away from the air inlet 4, the air outlet 6 is arranged in a rectangular structure, the air outlet 6 is connected with the storage cavity 16, a second dustproof net 7 is arranged in the air outlet 6, and the The second dustproof net 7 is arranged in a rectangular structure, two groups of first slide grooves 8 are symmetrically opened at the edge of the top inner wall of the chassis 1, and two groups of second slide grooves 9 are symmetrically opened at the edge of the bottom inner wall of the chassis 1, and the two groups of second slide grooves 9 are located directly below the two groups of first slide grooves 8. Two groups of sound-absorbing honeycomb panels 10 are symmetrically arranged in the storage cavity 16, and the two groups of sound-absorbing honeycomb panels 10 are arranged in a rectangular structure. Several groups of honeycomb holes are arranged on the two groups of sound-absorbing honeycomb panels 10, and the top of each group of the sound-absorbing honeycomb panels 10 is slidably engaged in one of the first slide grooves 8, and the bottom of each group of the sound-absorbing honeycomb panels 10 is slidably engaged in one of the second slide grooves 9.

[0027] For example, Figure 2 and Figure 4 As shown, a fan mechanism 11 is arranged in the storage cavity 16, and the fan mechanism 11 is located between two groups of sound-absorbing honeycomb panels 10. The top of the fan mechanism 11 is installed at the center of the top inner wall of the chassis 1, and the bottom of the fan mechanism 11 is installed at the center of the bottom inner wall of the chassis 1. A plurality of groups of sound-absorbing holes 12 are evenly spaced on the top inner wall of the chassis 1 and the bottom inner wall of the chassis 1, and the plurality of groups of sound-absorbing holes 12 are all connected with the storage cavity 16, and a group of corrugated sound-insulating cotton 13 is arranged in each group of the sound-absorbing holes 12, and a plurality of groups of corrugated sound-insulating cotton 13 are connected with a group of sound-absorbing cavity 14 at one end away from the storage cavity 16, and sound-absorbing cotton 15 is arranged in the sound-absorbing cavity 14.

[0028] Working principle: Dirty air enters through the air inlet 4 and is then output through the air outlet 6. When the fresh air fan is running, the first dustproof net 5 and the second dustproof net 7 have a dust-proof effect on it.

[0029] The fresh air fan generates noise when in operation, and the sound-absorbing honeycomb panel 10 blocks the sound waves and improves the sound absorption coefficient. The wave sound-absorbing cotton 13 in the sound-absorbing hole 12 and the sound-absorbing cotton 15 in the sound-absorbing cavity 14 absorb the noise and reduce the noise.

[0030] The staff member places his finger in the groove 3 and pulls the door 2 open to inspect and maintain the equipment in the storage cavity 16, moves and removes the old sound-absorbing honeycomb panel 10, and the top of the sound-absorbing honeycomb panel 10 slides in the first slide groove 8, and the bottom of the sound-absorbing honeycomb panel 10 slides in the second slide groove 9. The old sound-absorbing honeycomb panel 10 is pulled out of the first slide groove 8 and the second slide groove 9, and a new sound-absorbing honeycomb panel 10 is placed in the storage cavity 16, and the top of the new sound-absorbing honeycomb panel 10 slides in the first slide groove 8, and the bottom of the new sound-absorbing honeycomb panel 10 slides in the second slide groove 9. The position of the new sound-absorbing honeycomb panel 10 is the same as that of the old sound-absorbing honeycomb panel 10 before replacement, and the replacement is completed.

[0031] The fresh air fan generates noise when it is running. The sound-absorbing honeycomb panel 10 blocks the sound waves and improves the sound absorption coefficient. The wave sound-absorbing cotton 13 in the sound-absorbing hole 12 and the sound-absorbing cotton 15 in the sound-absorbing cavity 14 absorb the noise and reduce the noise, which has a noise reduction effect and reduces the harm to the human body.

[0032] The staff member places his finger in the groove 3 and pulls the door 2 open to inspect and maintain the equipment in the storage cavity 16, moves and removes the old sound-absorbing honeycomb panel 10, slides both ends of the sound-absorbing honeycomb panel 10 out of the first slide groove 8 and the second slide groove 9, and places a new sound-absorbing honeycomb panel 10 in the storage cavity 16, slides both ends of the new sound-absorbing honeycomb panel 10 in the first slide groove 8 and the second slide groove 9, and the position of the new sound-absorbing honeycomb panel 10 is the same as the position of the old sound-absorbing honeycomb panel 10 before replacement, and the replacement is completed, which improves the convenience of replacement and facilitates the inspection and maintenance of the equipment.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An air conditioner fresh air blower with noise reduction function, comprising a chassis (1), characterized in that: The case (1) is provided with a storage cavity (16), two groups of first slide grooves (8) are symmetrically provided at the edge of the top inner wall of the case (1), two groups of second slide grooves (9) are symmetrically provided at the edge of the bottom inner wall of the case (1), two groups of sound-absorbing honeycomb panels (10) are symmetrically arranged in the storage cavity (16), the top of each group of the sound-absorbing honeycomb panels (10) is slidably engaged in one of the first slide grooves (8), and the bottom of each group of the sound-absorbing honeycomb panels (10) is slidably engaged in one of the second slide grooves (9); A plurality of groups of sound-absorbing holes (12) are evenly spaced on the top inner wall of the case (1) and the bottom inner wall of the case (1); the plurality of groups of sound-absorbing holes (12) are all connected to the storage cavity (16); a group of wave sound-insulating cotton (13) is arranged in each group of the sound-absorbing holes (12); one end of the plurality of groups of wave sound-insulating cotton (13) away from the storage cavity (16) is connected to a group of silencer cavities (14); and silencer cotton (15) is arranged in the silencer cavities (14).

2. The air conditioner fresh air fan with noise reduction function according to claim 1, characterized in that: The two groups of sound-absorbing honeycomb panels (10) are both arranged in a rectangular structure, and a plurality of groups of honeycomb holes are arranged on the two groups of sound-absorbing honeycomb panels (10).

3. The air conditioner fresh air fan with noise reduction function according to claim 1, characterized in that: A case door (2) is installed on one side wall of the case (1), and a groove (3) is provided at the center of the edge of the side wall of the case door (2) away from the storage cavity (16).

4. The air conditioner fresh air fan with noise reduction function according to claim 1, characterized in that: An air inlet (4) is provided on one side wall of the chassis (1), and the air inlet (4) is arranged in a rectangular structure.

5. The air conditioner fresh air fan with noise reduction function according to claim 4, characterized in that: A first dustproof net (5) is arranged in the air inlet (4), and the first dustproof net (5) is arranged in a rectangular structure.

6. The air conditioner fresh air fan with noise reduction function according to claim 4, characterized in that: An air outlet (6) is provided on a side wall of the chassis (1) away from the air inlet (4), and the air outlet (6) is arranged in a rectangular structure.

7. The air conditioner fresh air fan with noise reduction function according to claim 6, characterized in that: A second dustproof net (7) is arranged in the air outlet (6), and the second dustproof net (7) is arranged in a rectangular structure.

8. The air conditioner fresh air fan with noise reduction function according to claim 6, characterized in that: The air inlet (4) is in communication with the storage cavity (16), the air outlet (6) is in communication with the storage cavity (16), and the two groups of the second slide grooves (9) are located directly below the two groups of the first slide grooves (8).

9. The air conditioner fresh air fan with noise reduction function according to claim 1, characterized in that: A fan mechanism (11) is arranged in the storage cavity (16); the fan mechanism (11) is located between two groups of sound-absorbing honeycomb panels (10); the top of the fan mechanism (11) is installed at the center of the top inner wall of the chassis (1); and the bottom of the fan mechanism (11) is installed at the center of the bottom inner wall of the chassis (1).

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