Low-noise end device

Abstract

The utility model discloses a low-noise terminal device which comprises a machine body, an air inlet is formed in the top of the machine body, and an air inlet temperature and humidity sensor, an evaporator and a water pan are arranged in the machine body. The long-distance air supply is realized by adopting the air supply extension pipe, the limitation of the space of a project site is small, the equipment is mounted far away from an important area, so that the important area is not interfered by noise, and the comfort level and the working and resting efficiency of the important area are improved, and meanwhile, the surface of the air supply extension pipe is sleeved with the first sound insulation layer; the surface of the first sound insulation layer is sleeved with the second sound insulation layer, then noise generated by the air supply extension pipe is reduced, the multiple noise reduction rings are fixedly connected into the air supply extension pipe, the cavities are formed between the noise reduction rings, sound waves in conveyed airflow are reflected in the cavities for multiple times, then energy of the sound waves is consumed, and then the purpose of noise reduction is achieved; the device has the advantages of low space requirement and low noise.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning and ventilation, in particular to a low-noise terminal device. Background Art

[0002] The air conditioner terminal unit is the last indoor unit connected to the outdoor unit and indoor unit of a multi-split air conditioner. It is a device that can convert chilled water or refrigerant into cold air.

[0003] Existing terminal devices can only be placed in living rooms, bedrooms, and important areas. The equipment will generate noise when it is in operation, which will cause poor comfort and affect the owners' work and study. These locations are private spaces and inconvenient for maintenance. Therefore, the terminal devices need to be designed and modified to effectively prevent them from making loud noises. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a low-noise terminal device, which has the advantages of low space requirements and low noise, and solves the problem that the existing terminal devices can only be arranged in the living room, bedroom, and important areas. The equipment will generate noise when it is working, and the comfort level is relatively poor, which affects the owner's work and study. These locations are private spaces and are inconvenient to maintain.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a low-noise terminal device, comprising a body, an air inlet is provided on the top of the body, an air inlet temperature and humidity sensor, an evaporator and a water receiving tray are respectively provided inside the body, a blower is fixedly connected to the inside of the body, the surface of the body is connected to the air supply duct, an air supply temperature and humidity sensor is provided inside the body, the surface of the body is fixedly connected to the body partition wall, the surface of the body is fixedly connected to the electric control box, an air supply extension pipe is provided outside the air supply duct, the air supply extension pipe is threadedly connected to the air supply duct, the surface of the air supply extension pipe is fixedly connected to a first sound insulation layer, the surface of the first sound insulation layer is fixedly connected to a second sound insulation layer, the inner wall of the air supply extension pipe is fixedly connected to a noise reduction ring, the number of the noise reduction rings is several, and the noise reduction rings are evenly distributed on the inner wall of the air supply extension pipe.

[0006] As a preferred embodiment of the present invention, the surface of the air supply extension pipe is fixedly connected to a fixed block, the surface of the fixed block is provided with a slide groove, and the inside of the slide groove is movably connected to a movable block, the surface of the movable block is fixedly connected to a limiting rod, the surface of the movable block is fixedly connected to a compression spring, the compression spring is fixedly connected to the slide groove, and the top of the movable block is fixedly connected to a shift block, the surface of the air supply extension pipe and the surface of the air supply duct are both fixedly connected to the limiting block, the surface of the limiting block is provided with a through opening, the limiting rod is movably connected to the through opening, the surface of the limiting rod is threadedly connected to a nut, and the nut is movably connected to the limiting block.

[0007] As a preferred embodiment of the present invention, the inner wall of the air supply extension tube is provided with noise reduction grooves, the number of the noise reduction grooves is several, and the noise reduction grooves are evenly distributed on the inner wall of the air supply extension tube.

[0008] As a preferred embodiment of the present invention, a sealing ring is fixedly connected to the surface of the air supply duct, the sealing ring is movably connected to the air supply extension tube, and the sealing ring is made of rubber material.

[0009] As a preferred embodiment of the present invention, the first sound insulation layer is made of sound insulation felt.

[0010] As a preferred embodiment of the present invention, the second sound insulation layer is made of sound-absorbing cotton material.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model adopts an air supply extension pipe to achieve long-distance air supply, which is less restricted by the space on the project site. The equipment is installed away from important areas, so that the important areas are not disturbed by noise, thereby improving the comfort and work and rest efficiency of the important areas. At the same time, the surface of the air supply extension pipe is provided with a first sound insulation layer, and the surface of the first sound insulation layer is provided with a second sound insulation layer, thereby reducing the noise emitted by the air supply extension pipe. The interior of the air supply extension pipe is fixedly connected with multiple noise reduction rings, and cavities are formed between the noise reduction rings. The sound waves in the conveying air flow are reflected multiple times in the cavity, thereby consuming the energy of the sound waves, thereby achieving the purpose of noise reduction. The device has the advantages of low space requirements and low noise.

[0013] 2. The utility model is provided with a fixed block, a slide groove, a movable block, a limit rod, a compression spring, a shift block, a limit block, a through-hole and a nut. After the operator completes the threaded connection between the air supply extension tube and the air supply duct, the through-holes on the surfaces of the two limit blocks are aligned. Then the operator loosens the shift block. Under the action of the compression spring, the movable block moves to the side close to the limit block, so that the limit rod passes through the through-hole on the surface of the limit block. Then the operator uses the nut to thread the limit rod, thereby locking the position of the limit rod, thereby preventing the air supply extension tube and the air supply duct from rotating relative to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a bottom view schematic diagram of the air supply extension pipe structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the left side cross-section of the air supply extension pipe structure of the utility model;

[0017] Figure 4 For this utility model Figure 2 A magnified schematic diagram of the structure in the middle.

[0018] In the figure: 1. Machine body; 2. Air inlet; 3. Air inlet temperature and humidity sensor; 4. Evaporator; 5. Drain tray; 6. Air blower; 7. Air supply duct; 8. Air supply temperature and humidity sensor; 9. Machine body partition wall; 10. Electric control box; 11. Air supply extension pipe; 12. Noise reduction ring; 13. First sound insulation layer; 14. Second sound insulation layer; 15. Noise reduction groove; 16. Sealing ring; 17. Fixed block; 18. Movable block; 19. Compression spring; 20. Shift block; 21. Limit rod; 22. Limit block; 23. Through port; 24. Nut. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figures 1 to 4 As shown, the low-noise terminal device includes a body 1, an air inlet 2 is provided on the top of the body 1, and an air inlet temperature and humidity sensor 3, an evaporator 4 and a water receiving tray 5 are respectively provided inside the body 1. The inside of the body 1 is fixedly connected to the blower 6, the surface of the body 1 is connected to the air supply duct 7, the inside of the body 1 is provided with an air supply temperature and humidity sensor 8, the surface of the body 1 is fixedly connected to the body partition wall 9, the surface of the body 1 is fixedly connected to the electric control box 10, the outside of the air supply duct 7 is provided with an air supply extension pipe 11, the air supply extension pipe 11 is threadedly connected to the air supply duct 7, the surface of the air supply extension pipe 11 is fixedly connected to the first sound insulation layer 13, the surface of the first sound insulation layer 13 is fixedly connected to the second sound insulation layer 14, the inner wall of the air supply extension pipe 11 is fixedly connected to a noise reduction ring 12, the number of the noise reduction rings 12 is several, and the noise reduction rings 12 are evenly distributed on the inner wall of the air supply extension pipe 11.

[0021] refer to Figure 2 and Figure 4The surface of the air supply extension pipe 11 is fixedly connected with a fixed block 17, the surface of the fixed block 17 is provided with a slide groove, and the inside of the slide groove is movably connected with a movable block 18, the surface of the movable block 18 is fixedly connected with a limiting rod 21, the surface of the movable block 18 is fixedly connected with a compression spring 19, the compression spring 19 is fixedly connected to the slide groove, and the top of the movable block 18 is fixedly connected with a shift block 20. The surface of the air supply extension pipe 11 and the surface of the air supply duct 7 are both fixedly connected with a limiting block 22, and a through opening 23 is provided on the surface of the limiting block 22. The limiting rod 21 is movably connected to the through opening 23, and the surface of the limiting rod 21 is threadedly connected with a nut 24, which is movably connected to the limiting block 22.

[0022] As a technical optimization solution of the present invention, through the setting of the fixed block 17, the slide groove, the movable block 18, the limit rod 21, the compression spring 19, the shift block 20, the limit block 22, the through-hole 23 and the nut 24, after the operator completes the threaded connection between the air supply extension tube 11 and the air supply duct 7, the through-holes 23 on the surfaces of the two limit blocks 22 are aligned, and then the operator loosens the shift block 20. Under the action of the compression spring 19, the movable block 18 moves to the side close to the limit block 22, so that the limit rod 21 passes through the through-hole 23 on the surface of the limit block 22, and then the operator uses the nut 24 to threadably connect with the limit rod 21, thereby locking the position of the limit rod 21, thereby preventing the air supply extension tube 11 and the air supply duct 7 from rotating relative to each other.

[0023] refer to Figure 3 The inner wall of the air supply extension tube 11 is provided with noise reduction grooves 15 . The number of the noise reduction grooves 15 is several, and the noise reduction grooves 15 are evenly distributed on the inner wall of the air supply extension tube 11 .

[0024] As a technical optimization solution of the present invention, the noise reduction grooves 15 are provided to reflect the sound waves in the airflow multiple times, thereby consuming the energy of the sound waves and achieving the purpose of noise reduction.

[0025] refer to Figures 2 to 4 A sealing ring 16 is fixedly connected to the surface of the air supply duct 7, and the sealing ring 16 is movably connected to the air supply extension tube 11. The sealing ring 16 is made of rubber.

[0026] As a technical optimization solution of the present invention, the sealing performance between the air supply extension tube 11 and the air supply duct 7 can be improved by providing the sealing ring 16 .

[0027] refer to Figure 3 The first sound insulation layer 13 is made of sound insulation felt.

[0028] As a technical optimization solution of the present invention, the first sound insulation layer 13 made of sound insulation felt has the advantage of good sound insulation effect.

[0029] refer to Figure 3The second sound insulation layer 14 is made of sound-absorbing cotton material.

[0030] As a technical optimization solution of the present invention, the second sound insulation layer 14 made of sound-absorbing cotton material has the advantages of good sound insulation effect and light weight.

[0031] The working principle and use process of the utility model are as follows: when in use, outdoor air enters the machine body 1 through the air inlet 2, is processed by the evaporator 4, and is then sent to the designated area by the blower 6 through the air supply duct 7 and the air supply extension pipe 11. The air supply extension pipe 11 can be freely adjusted in length as needed to adapt to different project environments. The condensed water after the air is processed by the evaporator 4 is collected by the water receiving tray 5 and then discharged from the machine body 1. The temperature and humidity of the air inlet 2 and the air supply duct 7 are respectively detected by the air inlet temperature and humidity sensor 3 and the air supply temperature and humidity sensor 8 and transmitted to the electric control box 10 for processing, thereby controlling the working state of the blower 6;

[0032] This device realizes long-distance air supply through the air supply extension pipe 11, and is less restricted by the space of the project site. The equipment is installed away from important areas, so that the important areas are not disturbed by noise, thereby improving the comfort and work and rest efficiency of the important areas. At the same time, the surface of the air supply extension pipe 11 is provided with a first sound insulation layer 13, and the surface of the first sound insulation layer 13 is provided with a second sound insulation layer 14, thereby reducing the noise emitted by the air supply extension pipe 11. A plurality of noise reduction rings 12 are fixedly connected to the interior of the air supply extension pipe 11, and a cavity is formed between each noise reduction ring 12. The sound waves in the conveying air flow are reflected multiple times in the cavity, thereby consuming the energy of the sound waves, thereby achieving the purpose of noise reduction.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-noise terminal device, comprising a body (1), characterized in that: The top of the machine body (1) is provided with an air inlet (2), the interior of the machine body (1) is respectively provided with an air inlet temperature and humidity sensor (3), an evaporator (4) and a water receiving tray (5), the interior of the machine body (1) is fixedly connected with a blower (6), the surface of the machine body (1) is connected with an air supply duct (7), the interior of the machine body (1) is provided with an air supply temperature and humidity sensor (8), the surface of the machine body (1) is fixedly connected with an organic partition wall (9), the surface of the machine body (1) is fixedly connected with an electric control box (10), and the An air supply extension pipe (11) is provided on the outside of the air supply duct (7), the air supply extension pipe (11) is threadedly connected to the air supply duct (7), a first sound insulation layer (13) is fixedly connected to the surface of the air supply extension pipe (11), a second sound insulation layer (14) is fixedly connected to the surface of the first sound insulation layer (13), and a noise reduction ring (12) is fixedly connected to the inner wall of the air supply extension pipe (11), the number of the noise reduction rings (12) is several, and the noise reduction rings (12) are evenly distributed on the inner wall of the air supply extension pipe (11).

2. The low-noise terminal device according to claim 1, characterized in that: The surface of the air supply extension tube (11) is fixedly connected with a fixed block (17), the surface of the fixed block (17) is provided with a slide groove, and the interior of the slide groove is movably connected with a movable block (18), the surface of the movable block (18) is fixedly connected with a limit rod (21), the surface of the movable block (18) is fixedly connected with a compression spring (19), the compression spring (19) is fixedly connected to the slide groove, the top of the movable block (18) is fixedly connected with a shift block (20), the surface of the air supply extension tube (11) and the surface of the air supply duct (7) are both fixedly connected with a limit block (22), the surface of the limit block (22) is provided with a through opening (23), the limit rod (21) is movably connected to the through opening (23), the surface of the limit rod (21) is threadedly connected with a nut (24), and the nut (24) is movably connected to the limit block (22).

3. The low-noise terminal device according to claim 1, characterized in that: The inner wall of the air supply extension tube (11) is provided with noise reduction grooves (15), the number of the noise reduction grooves (15) is several, and the noise reduction grooves (15) are evenly distributed on the inner wall of the air supply extension tube (11).

4. The low-noise terminal device according to claim 1, characterized in that: A sealing ring (16) is fixedly connected to the surface of the air supply duct (7), and the sealing ring (16) is movably connected to the air supply extension tube (11). The sealing ring (16) is made of rubber material.

5. The low-noise terminal device according to claim 1, characterized in that: The first sound insulation layer (13) is made of sound insulation felt.

6. The low-noise terminal device according to claim 1, characterized in that: The second sound insulation layer (14) is made of sound-absorbing cotton material.

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