Noise reduction equipment for central air conditioner

Abstract

The utility model discloses noise reduction equipment for a central air conditioner, which relates to the technical field of central air conditioners and comprises a mounting plate, a sound insulation cover fixedly connected to the top of the mounting plate, an air conditioner external unit arranged in the sound insulation cover, and a fixing mechanism and a heat dissipation mechanism which are connected with the mounting plate, the fixing mechanism comprises a first bolt which penetrates through the mounting plate and is used for fixing the mounting plate, a bearing table fixedly connected to the top of the mounting plate, and a second bolt which penetrates through the sound insulation cover and is in threaded connection with the bearing table; the heat dissipation mechanism comprises a spring shock absorber fixedly connected to the top of the bearing table and a heat conduction plate fixedly connected to the top of the spring shock absorber and used for bearing the air conditioner outdoor unit. According to the noise reduction equipment for the central air conditioner, the air conditioner outdoor unit is fixed to the top of the heat conduction plate, heat generated when the air conditioner outdoor unit works is transmitted to the heat conduction plate and the outer surface of the heat dissipation rod in a heat transfer mode, and then the heat dissipation effect on the air conditioner outdoor unit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of central air conditioners, in particular to a central air conditioner noise reduction device. Background Art

[0002] Central air conditioning refers to a large air conditioning system, which consists of a main unit and a terminal. The main unit is divided into a water-cooled unit and an air-cooled unit. The terminal equipment mainly consists of an air conditioning unit and a fan coil. When the central air conditioner is in operation, it will produce a certain amount of noise, which will affect the use effect to a certain extent. At present, with the development of technology, the noise of the indoor unit of the central air conditioner has been very low, and basically will not affect the use of personnel. However, the outdoor unit needs a fan to dissipate heat, so it is installed on the outer wall. When the window close to the outdoor unit is opened, the noise will spread to the room, affecting the use effect.

[0003] Existing central air conditioners can use closed soundproof covers for noise control, that is, a soundproof cover is used to surround the noise source to reduce its noise pollution to the surrounding environment. However, the design and material selection of the closed soundproof cover are aimed at preventing sound propagation, which will also restrict air flow and reduce the natural cooling capacity of the equipment. Utility Model Content

[0004] The main purpose of the utility model is to provide a central air conditioning noise reduction device, which solves the problem that the design and material selection of the closed sound insulation cover are intended to prevent sound propagation, which will also restrict air flow and thus reduce the natural cooling capacity of the equipment through the provision of a heat dissipation mechanism.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A central air-conditioning noise reduction device comprises a mounting plate, a soundproof cover fixedly connected to the top of the mounting plate, and an air-conditioning outdoor unit arranged inside the soundproof cover, and also comprises a fixing mechanism and a heat dissipation mechanism connected to the mounting plate;

[0007] The fixing mechanism includes a first bolt penetrating the mounting plate for fixing the mounting plate, a bearing platform fixedly connected to the top of the mounting plate, and a second bolt penetrating the soundproof cover and threadedly connected to the bearing platform;

[0008] The heat dissipation mechanism comprises a spring shock absorber fixedly connected to the top of the bearing platform, and a heat conduction plate fixedly connected to the top of the spring shock absorber for supporting the air conditioner outdoor unit.

[0009] Preferably, the fixing mechanism further comprises positioning blocks fixedly connected to the outer side wall of the supporting platform, and the positioning blocks are provided in two groups.

[0010] Preferably, the fixing mechanism also includes a T-rod fixedly connected to the outer wall of the sound insulation cover and a carrying plate rotatably connected to the outer wall of the sound insulation cover, a reset spring fixedly connected to the outer wall of the carrying plate, a movable ring fixedly connected to the end face of the reset spring, a connecting block fixedly connected to the outer wall of the movable ring, and a protective sleeve fixedly connected to the outer wall of the connecting block.

[0011] Preferably, the fixing mechanism further comprises engaging grooves provided on the outer side wall of the sound insulation cover, the engaging grooves are in two groups and are distributed in a circular array with the central axis of the T-bar as the origin.

[0012] Preferably, the heat dissipation mechanism further includes a heat dissipation rod fixedly connected to the top of the heat conducting plate, and an expansion hole opened on the outer side wall of the heat dissipation rod.

[0013] Preferably, there are a plurality of heat dissipation rods distributed in a rectangular array, and an outer side wall of each heat dissipation rod is provided on a group of expansion holes.

[0014] Preferably, the heat dissipation mechanism further comprises a rectangular groove opened on the top of the bearing platform, a guide rod fixedly connected to the inner side wall opposite to the rectangular groove, a connecting spring and a slider sleeved on the outer side wall of the guide rod, and a connecting rod hinged to the top of the slider;

[0015] The bottom of the heat conducting plate is hinged to the end surface of the connecting rod.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the utility model, the mounting plate is fixed at a specified position by a first bolt, and then the air conditioner outdoor unit is fixed on the top of the bearing platform, and then the sound insulation cover is plugged into the outer surface of the bearing platform, and the sound insulation cover is positioned by the cooperation of the positioning block, and then the second bolt penetrates the sound insulation cover and is threadedly connected to the bearing platform, so as to fix the sound insulation cover, and then the connecting block is pulled to drive the protective sleeve to disengage from the engaging groove, and then the connecting block is rotated to drive the bearing plate to rotate, and the protective sleeve is opposite to the opening of the other engaging groove, and then the connecting block is loosened, so that the protective sleeve is plugged into the inside of the engaging groove, thereby sealing the second bolt to prevent it from being rusted by water vapor in the air.

[0018] 2. In the utility model, the noise generated when the outdoor unit of the air conditioner is working will be blocked and absorbed by the sound insulation cover to achieve the noise reduction effect, and when the outdoor unit of the air conditioner vibrates, its vibration force will be buffered by the spring shock absorber, and in this process, the heat conduction plate will be driven to move downward, and then the slider will be driven to slide on the outer surface of the guide rod through the connecting rod, thereby compressing the connecting spring, and through the extrusion deformation of the connecting spring, the shock-absorbing effect of the vibration force is further achieved. When the outdoor unit of the air conditioner is working, the heat generated will be transported to the outer surface of the heat conduction plate and the heat dissipation rod in the form of heat transfer, thereby improving the heat dissipation effect of the outdoor unit of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle;

[0021] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0022] Figure 4 For this utility model Figure 3 Middle B is an enlarged schematic diagram of the structure;

[0023] Figure 5 This is a schematic diagram of the first bolt distribution structure of the utility model.

[0024] In the figure: 1. mounting plate; 2. sound insulation cover; 3. air conditioner outdoor unit; 401. first bolt; 402. bearing platform; 403. second bolt; 404. positioning block; 405. T-bar; 406. return spring; 407. movable ring; 408. connecting block; 409. protective sleeve; 4010. snap-fit ​​groove; 501. spring shock absorber; 502. heat conduction plate; 503. heat dissipation rod; 504. expansion hole; 505. guide rod; 506. connecting spring; 507. slider; 508. connecting rod. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] Embodiment 1: Figure 1-5 As shown, a central air conditioning noise reduction device includes a mounting plate 1, a soundproof cover 2 fixedly connected to the top of the mounting plate 1, and an air conditioner outdoor unit 3 arranged inside the soundproof cover 2, and also includes a fixing mechanism and a heat dissipation mechanism connected to the mounting plate 1;

[0027] The fixing mechanism includes a first bolt 401 penetrating the mounting plate 1 for fixing the mounting plate 1, a bearing platform 402 fixedly connected to the top of the mounting plate 1, and a second bolt 403 penetrating the soundproof cover 2 and threadedly connected to the bearing platform 402;

[0028] The heat dissipation mechanism includes a spring shock absorber 501 fixedly connected to the top of the supporting platform 402 , and a heat conducting plate 502 fixedly connected to the top of the spring shock absorber 501 for supporting the air conditioner outdoor unit 3 .

[0029] The fixing mechanism also includes a positioning block 404 fixedly connected to the outer wall of the supporting platform 402. There are two groups of positioning blocks 404, wherein the length of the supporting platform 402 is equal to the inner length of the sound insulation cover 2, and the width of the supporting platform 402 and the sum of the widths of the two positioning blocks 404 are equal to the inner width of the sound insulation cover 2. The sound insulation cover 2 can be quickly positioned by the cooperation between the supporting platform 402 and the positioning blocks 404.

[0030] The fixing mechanism also includes a T-bar 405 fixedly connected to the outer wall of the sound insulation cover 2, a supporting plate rotatably connected to the outer wall of the sound insulation cover 2, a reset spring 406 fixedly connected to the outer wall of the supporting plate, a movable ring 407 fixedly connected to the end face of the reset spring 406, a connecting block 408 fixedly connected to the outer wall of the movable ring 407, and a protective sleeve 409 fixedly connected to the outer wall of the connecting block 408, wherein the reset spring 406 is sleeved on the outer surface of the T-bar 405, and the movable ring 407 slides on the outer surface of the T-bar 405.

[0031] The fixing mechanism also includes a snap-fit ​​groove 4010 opened on the outer wall of the sound insulation cover 2. There are two groups of snap-fit ​​grooves 4010, which are distributed in a circular array with the central axis of the T-bar 405 as the origin. The central axis of one group of snap-fit ​​grooves 4010 coincides with the central axis of the second bolt 403, and the inner diameter of the snap-fit ​​groove 4010 is larger than the outer diameter of the nut of the second bolt 403.

[0032] First, the mounting plate 1 is fixed at the specified position by the first bolt 401, and then the air conditioner outdoor unit 3 is fixed on the top of the bearing platform 402, and then the sound insulation cover 2 is inserted into the outer surface of the bearing platform 402, and the sound insulation cover 2 is positioned by the cooperation of the positioning block 404, and then the second bolt 403 is passed through the sound insulation cover 2 and is threadedly connected to the bearing platform 402, so as to fix the sound insulation cover 2, and then the connecting block 408 is pulled to drive the protective sleeve 409 to disengage from the engaging groove 4010, and then the connecting block 408 is rotated to drive the bearing plate to rotate, and the protective sleeve 409 is opposite to the opening of the other engaging groove 4010, and then the connecting block 408 is loosened, so that the protective sleeve 409 is inserted into the inside of the engaging groove 4010, thereby sealing the second bolt 403 to prevent it from being rusted by water vapor in the air.

[0033] Embodiment 2: Figure 1-5 As shown, a central air conditioning noise reduction device includes a mounting plate 1, a soundproof cover 2 fixedly connected to the top of the mounting plate 1, and an air conditioner outdoor unit 3 arranged inside the soundproof cover 2, and also includes a fixing mechanism and a heat dissipation mechanism connected to the mounting plate 1;

[0034] The fixing mechanism includes a first bolt 401 penetrating the mounting plate 1 for fixing the mounting plate 1, a bearing platform 402 fixedly connected to the top of the mounting plate 1, and a second bolt 403 penetrating the soundproof cover 2 and threadedly connected to the bearing platform 402;

[0035] The heat dissipation mechanism includes a spring shock absorber 501 fixedly connected to the top of the supporting platform 402 , and a heat conducting plate 502 fixedly connected to the top of the spring shock absorber 501 for supporting the air conditioner outdoor unit 3 .

[0036] The heat dissipation mechanism also includes a heat dissipation rod 503 fixedly connected to the top of the heat conducting plate 502, and an expansion hole 504 opened on the outer wall of the heat dissipation rod 503, wherein the top of the heat dissipation rod 503 extends to the sound insulation cover 2, and the expansion hole 504 is used to increase the contact area between the heat dissipation rod 503 and the air.

[0037] There are a number of heat dissipation rods 503 , which are distributed in a rectangular array. The outer side wall of each heat dissipation rod 503 is provided with a group of expansion holes 504 .

[0038] The heat dissipation mechanism also includes a rectangular groove opened on the top of the carrier 402, a guide rod 505 fixedly connected to the inner side wall opposite to the rectangular groove, a connecting spring 506 and a slider 507 sleeved on the outer side wall of the guide rod 505, and a connecting rod 508 hinged to the top of the slider 507;

[0039] The bottom of the heat conducting plate 502 is hinged to the end surface of the connecting rod 508 , wherein one end of the connecting spring 506 is fixedly connected to the inner wall of the rectangular groove, and the other end of the connecting spring 506 is fixedly connected to the outer wall of the sliding block 507 .

[0040] When the sound insulation cover 2 is fixed, the noise generated when the air-conditioning outdoor unit 3 is working will be blocked and absorbed by the sound insulation cover 2 to achieve the noise reduction effect, and when the air-conditioning outdoor unit 3 vibrates, the spring shock absorber 501 will buffer its vibration force, and in this process, the heat conduction plate 502 will be driven to move downward, and then the slider 507 will be driven to slide on the outer surface of the guide rod 505 through the connecting rod 508, thereby compressing the connecting spring 506, and through the extrusion deformation of the connecting spring 506, the shock-absorbing effect of the vibration force is further achieved. When the air-conditioning outdoor unit 3 is working, the heat generated will be transported to the outer surface of the heat conduction plate 502 and the heat dissipation rod 503 in the form of heat transfer, thereby improving the heat dissipation effect of the air-conditioning outdoor unit 3.

Claims

1. A central air conditioning noise reduction device, comprising a mounting plate (1), a soundproof cover (2) fixedly connected to the top of the mounting plate (1), and an air conditioning outdoor unit (3) arranged inside the soundproof cover (2), characterized in that: It also includes a fixing mechanism and a heat dissipation mechanism connected to the mounting plate (1); The fixing mechanism comprises a first bolt (401) penetrating the mounting plate (1) for fixing the mounting plate (1), a bearing platform (402) fixedly connected to the top of the mounting plate (1), and a second bolt (403) penetrating the soundproof cover (2) and threadedly connected to the bearing platform (402); The heat dissipation mechanism comprises a spring shock absorber (501) fixedly connected to the top of the bearing platform (402), and a heat conduction plate (502) fixedly connected to the top of the spring shock absorber (501) for supporting the air conditioner outdoor unit (3).

2. A central air conditioning noise reduction device according to claim 1, characterized in that: The fixing mechanism also includes positioning blocks (404) fixedly connected to the outer side wall of the supporting platform (402), and the positioning blocks (404) are provided in two groups.

3. A central air conditioning noise reduction device according to claim 2, characterized in that: The fixing mechanism further comprises a T-shaped rod (405) fixedly connected to the outer wall of the soundproof cover (2), a bearing plate rotatably connected to the outer wall of the soundproof cover (2), a return spring (406) fixedly connected to the outer wall of the bearing plate, a movable ring (407) fixedly connected to the end surface of the return spring (406), a connecting block (408) fixedly connected to the outer wall of the movable ring (407), and a protective sleeve (409) fixedly connected to the outer wall of the connecting block (408).

4. A central air conditioning noise reduction device according to claim 3, characterized in that: The fixing mechanism further comprises engaging grooves (4010) formed on the outer side wall of the soundproof cover (2). The engaging grooves (4010) are provided in two groups and are distributed in a circular array with the central axis of the T-shaped rod (405) as the origin.

5. A central air conditioning noise reduction device according to claim 4, characterized in that: The heat dissipation mechanism further comprises a heat dissipation rod (503) fixedly connected to the top of the heat conducting plate (502), and an expansion hole (504) opened on the outer side wall of the heat dissipation rod (503).

6. A central air conditioning noise reduction device according to claim 5, characterized in that: There are a plurality of heat dissipation rods (503) distributed in a rectangular array, and the outer side wall of each heat dissipation rod (503) is provided on a group of expansion holes (504).

7. A central air conditioning noise reduction device according to claim 6, characterized in that: The heat dissipation mechanism also includes a rectangular groove opened on the top of the supporting platform (402), a guide rod (505) fixedly connected to the inner side wall opposite to the rectangular groove, a connecting spring (506) and a slider (507) sleeved on the outer side wall of the guide rod (505), and a connecting rod (508) hinged to the top of the slider (507); The bottom of the heat conducting plate (502) is hinged to the end surface of the connecting rod (508).

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