Noise reduction device for central air conditioner

Abstract

The utility model relates to the field of central air conditioners, and discloses a noise reduction device for a central air conditioner, which comprises a protection box, the top of the protection box is fixedly connected with a fixing sheet, the inner bottom wall of the protection box is fixedly connected with a plurality of buffer devices, the tops of the plurality of buffer devices are fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the fixing sheet. A damper fixedly connected with the bottom of the mounting plate is fixedly connected to the inner bottom wall of the protection box, a moving device is arranged in the mounting plate, a connecting frame is fixedly connected to the outer side of the moving device, and a second sliding rod is fixedly connected to the interior of the mounting plate; the outer side of the second sliding rod is slidably connected with a sliding sleeve fixedly connected with the connecting frame, and the top of the connecting frame is fixedly connected with a placing plate. The noise reduction device for the central air conditioner has the advantages that noise generated by vibration of the central air conditioner can be reduced, and the central air conditioner can be conveniently moved out for overhaul.

Description

Technical Field

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

[0002] The central air-conditioning system consists of a cold and heat source system and an air conditioning system. It is a host that uses air ducts to adjust the indoor temperature. The main sources of central air-conditioning noise in the air-conditioned room are the inherent noise of the equipment, the wind noise generated by the flow of air in the air duct, and the mechanical noise caused by vibration.

[0003] Since the central air-conditioning system will cause the equipment to vibrate during operation, and the vibration of the central air-conditioning will cause it to emit noise to the outside world, and under the long-term vibration of the central air-conditioning, the inside of the central air-conditioning is prone to damage. Since the central air-conditioning is heavy, it is not easy for maintenance personnel to move and observe it. Therefore, a noise reduction device for central air-conditioning is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a noise reduction device for a central air conditioner, which has the advantages of being able to reduce the noise emitted by the vibration of the central air conditioner and being convenient for removing the central air conditioner for maintenance, thereby solving the problem that the central air-conditioning system will cause the equipment to vibrate during operation, and the vibration of the central air-conditioning will cause it to emit noise to the outside world, and the central air-conditioning is prone to damage due to long-term vibration of the central air-conditioning, and since the central air-conditioning is heavy, it is not easy for maintenance personnel to move it for observation.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problems with a technical solution as follows: a noise reduction device for a central air conditioner, comprising a protective box, a fixing plate fixedly connected to the top of the protective box, a plurality of buffer devices fixedly connected to the inner bottom wall of the protective box, the tops of the plurality of buffer devices are all fixedly connected to a mounting plate, a damper fixedly connected to the bottom of the mounting plate is fixedly connected to the inner bottom wall of the protective box, a moving device is arranged inside the mounting plate, a connecting frame is fixedly connected to the outer side of the moving device, a second sliding rod is fixedly connected to the inside of the mounting plate, a sliding sleeve fixedly connected to the connecting frame is slidably connected to the outer side of the second sliding rod, a placement plate is fixedly connected to the top of the placement plate, two fixing plates are fixedly connected to the top of the fixing plate by fasteners, and a fixing device is arranged inside the fixing plate on the right side.

[0008] The beneficial effects of the utility model are:

[0009] The noise reduction device for the central air conditioner has the advantages of being able to reduce the noise generated by the vibration of the central air conditioner and being convenient for removing the central air conditioner for maintenance.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a plurality of ventilation holes are provided inside the protection box, and sound insulation cotton is provided on the inner wall of the protection box.

[0012] The beneficial effect of adopting the above further solution is to enhance the air permeability of the central air-conditioning body and absorb the noise it emits to a certain extent.

[0013] Furthermore, pipeline holes are provided on both the left and right sides of the protection box, and a protection door is provided on the front side of the protection box.

[0014] The beneficial effect of adopting the above further solution is that it provides a location for the inlet and outlet pipes of the central air conditioner and facilitates the maintenance of the central air conditioner body.

[0015] Furthermore, the single buffer device includes a sliding box fixedly connected to the inner bottom wall of the protective box, the top of the sliding box is fixedly connected to a spring, the top of the spring is fixedly connected to a push plate fixedly connected to the bottom of the mounting plate, and the bottom of the push plate is fixed to a first sliding rod slidably connected to the inside of the sliding box.

[0016] The beneficial effect of adopting the above further solution is that it can provide a buffer for the placement of the central air conditioner and reduce the vibration caused by its operation.

[0017] Furthermore, the moving device includes a motor fixedly connected to the inside of the mounting plate, the outer side of the output shaft of the motor is fixedly connected to a first threaded rod rotatably connected to the inside of the mounting plate, and the outer side of the first threaded rod is connected to a transmission block fixedly connected to the connecting frame via a threaded transmission.

[0018] The beneficial effect of adopting the above further solution is that the central air conditioner can be moved, making it convenient to move the central air conditioner out of the protective box.

[0019] Furthermore, the fixing device includes a second threaded rod connected to the internal thread of the fixing plate on the right side, a knob is fixedly connected to the right side of the second threaded rod, and a pressure plate is rotatably connected to the left side of the second threaded rod.

[0020] The beneficial effect of adopting the above further solution is that the central air conditioner can be fixed to prevent the central air conditioner from moving crookedly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic diagram of the front structure of the utility model;

[0022] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the mobile device of the utility model;

[0024] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.

[0025] In the figure: 1. protective box; 2. fixing plate; 3. buffer device; 31. sliding box; 32. spring; 33. push plate; 34. first sliding rod; 4. mounting plate; 5. damper; 6. moving device; 61. motor; 62. first threaded rod; 63. transmission block; 7. connecting frame; 8. second sliding rod; 9. placing plate; 10. fixing plate; 11. fixing device; 111. second threaded rod; 112. knob; 113. pressure plate; 12. sound insulation cotton; 13. protective door; 14. sliding sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0027] In the embodiment, Figure 1-4 A noise reduction device for a central air conditioner is provided. The utility model comprises a protective box 1, a fixing plate 2 is fixedly connected to the top of the protective box 1, a plurality of buffer devices 3 are fixedly connected to the inner bottom wall of the protective box 1, the tops of the plurality of buffer devices 3 are all fixedly connected to a mounting plate 4, a damper 5 fixedly connected to the bottom of the mounting plate 4 is fixedly connected to the inner bottom wall of the protective box 1, a moving device 6 is arranged inside the mounting plate 4, a connecting frame 7 is fixedly connected to the outer side of the moving device 6, a second sliding rod 8 is fixedly connected to the inside of the mounting plate 4, a sliding sleeve 14 fixedly connected to the connecting frame 7 is slidably connected to the outer side of the second sliding rod 8, a placing plate 9 is fixedly connected to the top of the placing plate 9, two fixing plates 10 are fixedly connected to the top of the fixing plate 9 by fasteners, and a fixing device 11 is arranged inside the right fixing plate 10.

[0028] A plurality of ventilation holes are provided inside the protection box 1 , and sound insulation cotton 12 is arranged on the inner wall of the protection box 1 .

[0029] In this embodiment, during actual use, the central air conditioner will emit heat when working, and the air vents are convenient for dissipating the heat, and the sound insulation cotton 12 can absorb the noise in advance.

[0030] Wherein, pipeline holes are opened on both the left and right sides of the protection box 1 , and a protection door 13 is arranged on the front side of the protection box 1 .

[0031] In this embodiment, during actual use, the inlet and outlet pipes of the central air conditioner can enter and exit through the pipe hole, and the protection door 13 can be opened to facilitate the inspection of the interior of the protection box 1.

[0032] Among them, a single buffer device 3 includes a sliding box 31 fixedly connected to the inner bottom wall of the protective box 1, a spring 32 fixedly connected to the top of the sliding box 31, a push plate 33 fixedly connected to the bottom of the mounting plate 4 is fixedly connected to the top of the spring 32, and a first sliding rod 34 fixedly connected to the inner sliding connection of the sliding box 31 is fixedly provided at the bottom of the push plate 33.

[0033] In this embodiment, during actual use, the pressure exerted by the mounting plate 4 on the push plate 33 compresses the spring 32 , and at the same time, the first sliding rod 34 moves in the sliding box 31 to provide a direction for the compression of the spring 32 .

[0034] Among them, the moving device 6 includes a motor 61 fixedly connected to the inside of the mounting plate 4, the outer side of the output shaft of the motor 61 is fixedly connected to a first threaded rod 62 rotatably connected to the inside of the mounting plate 4, and the outer side of the first threaded rod 62 is connected to a transmission block 63 fixedly connected to the connecting frame 7 through a threaded transmission.

[0035] In this embodiment, in actual use, the start of the motor 61 will drive the first threaded rod 62 to rotate, and the transmission block 63 will rotate under the action of the thread.

[0036] The fixing device 11 includes a second threaded rod 111 connected to the internal thread of the right fixing plate 10 , a knob 112 is fixedly connected to the right side of the second threaded rod 111 , and a pressure plate 113 is rotatably connected to the left side of the second threaded rod 111 .

[0037] In this embodiment, during actual use, the knob 112 is rotated, the second threaded rod 111 rotates counterclockwise, and the pressing plate 113 presses and fixes the central air conditioner.

[0038] Working principle:

[0039] Place the central air conditioner on the placement plate 9, then turn the knob 112 to fix the central air conditioner with the pressure plate 113. The inlet and outlet air ducts of the central air conditioner can pass through the duct hole. When the central air conditioner is in operation, the sound insulation cotton 12 will partially absorb the noise generated by the central air conditioner, and the vibration generated by the operation of the central air conditioner will be absorbed by the buffer device 3. If the central air conditioner is to be repaired, the protective door 13 can be opened, the inlet and outlet pipes of the central air conditioner can be removed, and then the motor 61 can be started to move through the connecting frame 7, and the sliding sleeve 14 can be used to support the auxiliary support on the second sliding rod 8, so that the placement plate 9 is moved outward to move the central air conditioner, and the central air conditioner can be loosened by the knob 112 for maintenance.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction device for a central air conditioner, comprising a protective box (1), characterized in that: The top of the protection box (1) is fixedly connected with a fixing plate (2), the inner bottom wall of the protection box (1) is fixedly connected with a plurality of buffer devices (3), the tops of the plurality of buffer devices (3) are fixedly connected with the mounting plate (4), the inner bottom wall of the protection box (1) is fixedly connected with a damper (5) fixedly connected with the bottom of the mounting plate (4), a moving device (6) is arranged inside the mounting plate (4), the outer side of the moving device (6) is fixedly connected with a connecting frame (7), the inner side of the mounting plate (4) is fixedly connected with a second sliding rod (8), the outer side of the second sliding rod (8) is slidably connected with a sliding sleeve (14) fixedly connected with the connecting frame (7), the top of the connecting frame (7) is fixedly connected with a placement plate (9), the top of the placement plate (9) is fixedly connected with two fixing plates (10) by fasteners, and a fixing device (11) is arranged inside the fixing plate (10) on the right side.

2. A noise reduction device for a central air conditioner according to claim 1, characterized in that: A plurality of ventilation holes are provided inside the protection box (1), and sound insulation cotton (12) is provided on the inner wall of the protection box (1).

3. A noise reduction device for a central air conditioner according to claim 1, characterized in that: Pipe holes are provided on both the left and right sides of the protection box (1), and a protection door (13) is provided on the front side of the protection box (1).

4. A noise reduction device for a central air conditioner according to claim 1, characterized in that: The single buffer device (3) includes a sliding box (31) fixedly connected to the inner bottom wall of the protective box (1), the top of the sliding box (31) is fixedly connected to a spring (32), the top of the spring (32) is fixedly connected to a push plate (33) fixedly connected to the bottom of the mounting plate (4), and the bottom of the push plate (33) is fixedly connected to a first sliding rod (34) slidably connected to the inside of the sliding box (31).

5. A noise reduction device for a central air conditioner according to claim 1, characterized in that: The moving device (6) comprises a motor (61) fixedly connected to the inside of the mounting plate (4); the outer side of the output shaft of the motor (61) is fixedly connected to a first threaded rod (62) rotatably connected to the inside of the mounting plate (4); the outer side of the first threaded rod (62) is connected to a transmission block (63) fixedly connected to the connecting frame (7) via a threaded transmission.

6. A noise reduction device for a central air conditioner according to claim 1, characterized in that: The fixing device (11) comprises a second threaded rod (111) connected to the internal thread of the fixing plate (10) on the right side, a knob (112) is fixedly connected to the right side of the second threaded rod (111), and a pressure plate (113) is rotatably connected to the left side of the second threaded rod (111).

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