Shock absorption and noise reduction device of air conditioning unit

Abstract

The utility model relates to the technical field of system vibration suppression and noise suppression, in particular to a shock absorption and noise reduction device of an air conditioning unit. The device comprises a soundproof box, a supporting mechanism, a damping mechanism and a ventilation mechanism. The damping mechanism is installed at the bottom of the soundproof box, and the top of the damping mechanism is connected with the air conditioning unit. The multiple supporting mechanisms are arranged around the air conditioning unit, and each supporting mechanism comprises a polished rod, a threaded rod, a sliding block and a connecting piece; the polished rod is vertically arranged, at least one section of the polished rod is fixedly connected to the soundproof box, the screw rod is parallel to the polished rod, one end of the screw rod is rotationally connected to the soundproof box, and a threaded part is arranged on the sliding block and matched with the screw rod in a screwed mode; an elastic connecting piece is installed on the sliding block and connected with the top of the air conditioning unit. Ventilation holes are formed in the box wall of the sound insulation box, and the ventilation mechanism is arranged in the ventilation holes. By means of the technical scheme, shock absorption and noise reduction can be conducted on the air conditioning unit, and resonance of the air conditioning unit is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to system vibration suppression, noise suppression technical field, concretely relates to a kind of air conditioning unit shock absorption and noise reduction device. BACKGROUND

[0002] Combined air conditioner as the key equipment of production workshop temperature regulation, plays an important role in guaranteeing workshop environment comfort and production process stability.However, when air conditioner is in high-power operation mode, it will inevitably produce larger noise, which not only causes damage to the acoustic environment in workshop, but also can have negative impact on the work efficiency and physical and mental health of production personnel, and then cause interference to the production order and production quality of workshop as a whole.

[0003] At present, a variety of shock absorption and noise reduction technology schemes for air conditioning unit have appeared in the industry, for example, a kind of low-noise operation air conditioning unit shock absorption and noise reduction device disclosed in the utility model patent with application number 202120096472.7, which indeed can absorb the noise generated when fan works to a certain extent, effectively reduces the noise propagation when air conditioning unit operates.But in actual application, it is found that when air conditioning unit operates at certain specific frequency, resonance phenomenon is easy to occur between it and supporting spring, which not only fails to effectively reduce noise, but also intensifies the shaking degree of unit, makes noise problem further deteriorate, seriously affects the stable operation and noise reduction effect of air conditioning unit. UTILITY MODEL CONTENT

[0004] In view of the above deficiencies or defects in the prior art, the utility model provides an air conditioning unit shock absorption and noise reduction device, which can suppress the vibration of air conditioning unit, avoid the generation of resonance phenomenon and effectively reduce unit noise.

[0005] In order to achieve the above purpose, the utility model provides an air conditioning unit shock absorption and noise reduction device, which comprises:

[0006] Soundproof box, air conditioning unit is arranged in soundproof box, soundproof box is made of soundproof material or its surface is coated with soundproof material.

[0007] Shock absorption mechanism, shock absorption mechanism is installed at the bottom of soundproof box, its top is connected with air conditioning unit, and shock absorption mechanism has damping effect.

[0008] The support mechanism comprises a plurality of light rods, screw rods, sliding blocks and connecting pieces. At least one section of the light rod is fixedly connected to the soundproof box. The screw rod is parallel to the light rod. One end of the screw rod is rotatably connected to the soundproof box. The sliding block can slide up and down along the light rod. The sliding block has a threaded portion which is screw-connected with the screw rod. The connecting piece is installed on the sliding block and connected with the top of the air conditioner unit.

[0009] The ventilation mechanism is arranged in the ventilation hole of the soundproof box.

[0010] In some embodiments, the damping mechanism comprises an oil cylinder and a spring. The cylinder body of the oil cylinder is fixed to the base of the soundproof box. The oil cylinder is filled with oil. The piston rod of the oil cylinder is connected to the air conditioner unit. The piston of the oil cylinder is provided with an oil passing hole. The spring is vertically arranged. The bottom of the spring is fixed to the base of the soundproof box. The top of the spring supports the air conditioner unit. The spring is sleeved outside the oil cylinder.

[0011] In some embodiments, a plurality of damping mechanisms are arranged uniformly below the air conditioner unit.

[0012] In some embodiments, the soundproof box is provided with an air inlet and an air outlet. The ventilation mechanism comprises an air inlet fan and a filter screen. The air inlet fan is installed at the air inlet. The filter screen is arranged on the air inlet fan.

[0013] In some embodiments, the air inlet fan is provided with a filter bin on one side of the soundproof box. The filter screen is detachably arranged in the filter bin. The filter screen is provided with a frame. The filter screen is inserted into the filter bin and covers the air outlet of the air inlet fan. The frame of the filter screen is slidably installed on the filter bin.

[0014] In some embodiments, the connecting piece is a rubber block. The connecting piece is arranged between the sliding block and the air conditioner unit. The rubber block is elastically deformable.

[0015] In some embodiments, the support mechanism comprises two light rods which are parallel to each other. The screw rod is arranged between the two light rods. The support mechanism further comprises a support seat which is fixed to the bottom of the soundproof box. The bottom of the light rod is fixedly connected to the support seat. The bottom of the screw rod is rotatably connected to the support seat. The sliding block is provided with two through holes which are tightly slidably connected with the two light rods. The middle of the sliding block is provided with a threaded hole which is screw-connected with the screw rod.

[0016] In some embodiments, the sliding block is provided with a connecting portion which extends towards the damping mechanism. The end of the connecting portion is located directly above the air conditioner unit. The connecting piece is arranged between the connecting portion and the top of the air conditioner unit.

[0017] In some embodiments, the support mechanism is provided in two groups, and the two groups of support mechanisms are symmetrically arranged on the left and right sides of the air conditioning unit.

[0018] In some embodiments, the sound insulation box comprises a base, a sound insulation cover and sound insulation doors, the sound insulation cover is fixedly installed on the edge of the base, and the two groups of sound insulation doors are hingedly installed on the side surfaces of the sound insulation cover.

[0019] The air conditioning unit is arranged in the sound insulation box, the box wall of the sound insulation box is provided with sound insulation and sound wave absorption materials, and noise is isolated in the sound insulation box. In order to avoid resonance between the spring supporting the air conditioning unit and the air conditioning unit, the damping mechanism and the support mechanism are combined to support and fix the air conditioning unit, the damping mechanism has a damping effect, and resonance and noise can be avoided. The support mechanism supports and stabilizes the air conditioning unit to avoid shaking of the air conditioning unit, and the height of the air conditioning unit can be adjusted. The ventilation system is arranged on the sound insulation box to provide fresh air for the air conditioning unit.

[0020] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a three-dimensional schematic view of the whole utility model;

[0022] Figure 2 is a schematic view of the internal structure of the utility model;

[0023] Figure 3 is Figure 2 is an enlarged view of A in figure 1;

[0024] Figure 4 is a sectional view of the support mechanism part;

[0025] Figure 5 is a schematic view of the internal structure of the sound insulation box after removing the top cover.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1 sound insulation box; 11 base; 12 sound insulation cover; 13 sound insulation door;

[0028] 2 damping mechanism; 21 oil cylinder; 22 piston rod; 23 spring; 24 oil passing hole;

[0029] 3 ventilation mechanism; 31 air inlet fan; 32 air outlet; 33 filter bin; 34 filter screen;

[0030] 4 air conditioning unit;

[0031] 5 support mechanism; 51 light rod; 52 screw rod; 53 sliding block. DETAILED DESCRIPTION

[0032] The specific embodiments of the present application are described in detail below. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0033] The utility model provides a kind of air conditioning unit shock absorption and noise reduction device, including soundproof box 1, support mechanism 5, damping mechanism 2 and ventilation mechanism 3.

[0034] Soundproof box 1, see attached Figure 1 And Figure 2 Air conditioning unit 4 is arranged in soundproof box 1, and soundproof box 1 is made of soundproof material or its surface is coated with soundproof material. Soundproof box 1 includes a support frame structure and soundproof board material arranged on the frame structure, and soundproof cotton or soundproof cloth can also be coated outside. The soundproof box 1 includes a base 11, a silent cover 12, and two soundproof doors 13. The base 11 is fixedly arranged on the ground, the silent cover 12 is fixedly installed on the edge of the base 11, and the two soundproof doors 13 are hingedly installed on the side surface of the silent cover 12.

[0035] Damping mechanism 2, see attached Figure 2 And Figure 3 The damping mechanism 2 is installed at the bottom of the soundproof box 1, and the top of the damping mechanism 2 is connected to the air conditioning unit 4. The damping mechanism 2 has a damping effect. The bottom of the soundproof box 1 is directly connected and fixed to the ground, forming a stable installation foundation. The damping mechanism 2 is connected to the bottom of the soundproof box 1, and when the air conditioning unit 4 vibrates, the damping mechanism 2 will vibrate synchronously. The damping mechanism 2 includes a damper, which uses the damping effect to eliminate vibration.

[0036] The damping mechanism 2 needs to support the air conditioning unit 4 on one hand, and needs to suppress vibration through damping on the other hand. The damping mechanism 2 includes an oil cylinder 21 and a spring 23. The cylinder body of the oil cylinder 21 is fixed to the base 11 of the soundproof box 1, and the oil cylinder 21 is filled with oil. The piston rod 22 of the oil cylinder 21 is connected to the air conditioning unit 4, and the oil cylinder 21 has an oil passage hole 24 on the piston. The spring 23 is used to support the air conditioning unit 4.

[0037] The piston rod 22 of the oil cylinder 21 is fixedly connected to the bottom of the air conditioning unit 4, and the cylinder body of the oil cylinder 21 is fixedly connected to the base 11 of the soundproof box 1. When the air conditioning unit 4 vibrates, the air conditioning unit 4 drives the piston of the oil cylinder 21 to move up and down, and the cylinder body of the oil cylinder 21 does not move. When the piston moves, the oil flows through the oil passage hole 24, and the damping effect is generated by the resistance of the oil flow. The spring 23 is vertically arranged, the bottom of the spring 23 is fixed to the base 11 of the soundproof box 1, and the top of the spring 23 supports the air conditioning unit 4. The spring 23 is sleeved outside the oil cylinder 21.

[0038] In order to ensure the support stability of the air conditioning unit 4, the damping mechanism 2 is provided in plurality, and the plurality of damping mechanisms 2 are uniformly arranged below the air conditioning unit 4.

[0039] The support mechanism 5, see the accompanying Figure 4 and Figure 5 The support mechanism 5 is used to adjust the height of the air conditioning unit 4, thereby changing the elastic force of the spring 23 in the damping mechanism, and indirectly affecting the resistance effect of the oil cylinder 21.

[0040] The support mechanism 5 includes a plurality of and is arranged around the air conditioning unit 4, and the support mechanism 5 includes a light rod 51, a screw rod 52, a sliding block 53 and a connecting piece. The light rod 51 is vertically arranged, and at least one end thereof is fixedly connected to the soundproof box 1. The screw rod 52 is arranged parallel to the light rod 51, and one end of the screw rod 52 is rotatably connected to the soundproof box 1. The sliding block 53 can slide up and down along the light rod 51, and the sliding block 53 has a threaded portion on it which is screwed with the screw rod 52. The sliding block 53 is provided with an elastic connecting piece, and the connecting piece is connected to the top of the air conditioning unit 4.

[0041] The light rod 51 is used to constrain the movement direction of the sliding block 53. The screw rod 52 is used to control the height of the sliding block 53. The sliding block 53 is connected to the air conditioning unit 4 through the elastic piece, which avoids the locking of the air conditioning unit 4 by the sliding block 53. The connecting piece is a rubber block, which is arranged between the sliding block 53 and the air conditioning unit 4. The rubber block is elastically deformable.

[0042] The support mechanism 5 includes two light rods 51 which are parallel to each other, and the screw rod 52 is arranged between the two light rods 51. The support mechanism 5 further includes a support seat which is fixed to the bottom of the soundproof box 1, and the bottom of the light rod 51 is fixedly connected to the support seat, and the bottom of the screw rod 52 is rotatably connected to the support seat. The top of the soundproof box 1 can also be provided with a support seat, and the light rod 51 is fixed by the upper and lower support seats. The sliding block 53 is provided with two through holes which are in close sliding cooperation with the two light rods 51 respectively. A threaded hole is arranged in the middle of the sliding block 53 and is in threaded cooperation with the screw rod 52. The sliding block 53 is provided with a connecting portion which extends towards the damping mechanism 2, and the end of the connecting portion is located directly above the air conditioning unit 4. The connecting piece is arranged between the connecting portion and the top of the air conditioning unit 4.

[0043] The support mechanism 5 is provided in two groups, and the two groups of support mechanisms 5 are symmetrically arranged on the left and right sides of the air conditioning unit 4.

[0044] The ventilation mechanism 3, see the accompanying Figure 4The air conditioning unit 4 needs a large amount of fresh air to exchange heat with the air conditioning unit 4 during operation. Therefore, the soundproof box 1 is provided with an air inlet and an air outlet 32, the ventilation mechanism 3 comprises an air inlet fan 31 and a filter screen 34, the air inlet fan 31 is installed at the air inlet, and the filter screen 34 is arranged on the air inlet fan 31. The air inlet fan 31 is provided with a filter bin 33 on one side of the soundproof box 1, and the filter screen 34 is detachably arranged in the filter bin 33. The filter screen 34 is provided with a frame, the filter screen 34 is inserted into the filter bin 33 and covers the air outlet of the air inlet fan 31, and the frame of the filter screen 34 is slidably installed on the filter bin 33. The filter bin 33 is opened, and the filter screen 34 can be taken out and replaced.

[0045] The preferred embodiments of the present application are described in detail above, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0046] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present application will not further describe various possible combinations.

[0047] Furthermore, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the technical concept of the present application, and they should also be considered as disclosed content of the present application.

Claims

1. An air conditioning unit shock absorbing and noise reducing device, characterized in that, The utility model relates to an air conditioner unit sound insulation box, comprising: Sound insulation box (1), air conditioner unit (4) is arranged in sound insulation box (1), sound insulation box (1) is made of sound insulation material or its surface is applied sound insulation material; Damping mechanism (2), damping mechanism (2) is installed in the bottom of sound insulation box (1), and its top is connected with air conditioner unit (4), and damping mechanism (2) has damping effect; Supporting mechanism (5) includes multiple and is arranged around air conditioner unit (4), and supporting mechanism (5) includes light pole (51), screw rod (52), sliding block (53) and connecting piece;The light pole (51) is vertically arranged, and at least one section is fixedly connected on sound insulation box (1), and the screw rod (52) is arranged in parallel with the light pole (51), and one end of screw rod (52) is rotatably connected on sound insulation box (1), and the sliding block (53) can slide up and down along the light pole (51), and the sliding block (53) is provided with threaded portion on it, and is screw-connected with the screw rod (52);The connecting piece is installed on the sliding block (53), and the connecting piece is connected with the top of air conditioner unit (4); Ventilation mechanism (3), the vent hole is set up on the box wall of sound insulation box (1), and the ventilation mechanism (3) is arranged in the vent hole.

2. The air conditioning unit vibration and noise reduction device of claim 1, wherein, Damping mechanism (2) includes oil cylinder (21) and spring (23), the cylinder body of oil cylinder (21) is fixed on the base (11) of sound insulation box (1), and oil cylinder (21) is filled with oil, and the piston rod (22) of oil cylinder (21) is connected with air conditioner unit (4), and the piston of oil cylinder (21) is provided with oil passing hole (24); The spring (23) is vertically arranged, and the bottom of spring (23) is fixed on the base (11) of sound insulation box (1), and the top of spring (23) supports air conditioner unit (4); The spring (23) is sleeved on the oil cylinder (21).

3. The air conditioning unit vibration and noise reduction device of claim 2, wherein, The damping mechanism (2) is provided with multiple, and multiple damping mechanisms (2) are evenly arranged below air conditioner unit (4).

4. The air conditioning unit vibration and noise reduction device of claim 1, wherein, The sound insulation box (1) is provided with air inlet and air outlet (32); The ventilation mechanism (3) includes air inlet fan (31) and filter screen (34), and the air inlet fan (31) is installed at the air inlet, and the filter screen (34) is arranged on the air inlet fan (31).

5. The air conditioning unit vibration and noise reduction device of claim 4, wherein, The air inlet fan (31) is provided with filter bin (33) on the side towards the sound insulation box (1), and the filter screen (34) is detachably arranged in the filter bin (33); The filter screen (34) is provided with a frame, and the filter screen (34) is inserted into the filter bin (33) and covers the air outlet of the air inlet fan (31), and the frame of the filter screen (34) is slidably installed on the filter bin (33).

6. The air conditioning unit vibration and noise reduction device of claim 1, wherein, The connecting piece is rubber block, and the connecting piece is arranged between the sliding block (53) and air conditioner unit (4);The rubber block is elastically deformable.

7. The air conditioning unit vibration and noise reduction device of claim 1, wherein, The supporting mechanism (5) includes two light poles (51), and the two light poles (51) are parallel to each other, and the screw rod (52) is arranged between the two light poles (51); The supporting mechanism (5) further includes support seat, and the support seat is fixed on the bottom of sound insulation box (1), and the bottom of light pole (51) is fixedly connected on the support seat, and the bottom of screw rod (52) is rotatably connected on the support seat; Two through holes are arranged on the slider (53) and are in close sliding fit with the two light poles (51) respectively, and a threaded hole is arranged in the middle of the slider (53) and is in threaded fit with the screw rod (52).

8. The air conditioning unit vibration and noise reduction device of claim 7, wherein, The slider (53) is provided with a connecting part extending towards the shock-absorbing mechanism (2), and the end of the connecting part is located directly above the air conditioning unit (4).

9. The air conditioning unit vibration and noise reduction apparatus of claim 1, wherein, The supporting mechanism (5) is provided in two groups, and the two groups of supporting mechanisms (5) are symmetrically arranged on the left and right sides of the air conditioning unit (4).

10. The air conditioning unit vibration and noise reduction apparatus of claim 1, wherein, The sound insulation box (1) comprises a base (11), a soundproof cover (12) and sound insulation doors (13), the soundproof cover (12) is fixedly installed on the edge of the base (11), and the two groups of sound insulation doors (13) are hingedly installed on the side surfaces of the soundproof cover (12).

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