Silencer for refrigeration pipeline of air conditioner

Abstract

The utility model provides an air conditioner refrigeration pipeline silencer, which relates to the technical field of silencers, and comprises a main body mechanism, the outer surface wall of the main body mechanism is fixedly connected with an automatic regulation and control mechanism, the main body mechanism comprises a silencer outer pipe, the inner surface wall of the silencer outer pipe is fixedly connected with a sound insulation layer I, and a sound insulation coating layer I is sprayed on the inner surface wall of the sound insulation layer I; two sets of connecting plates are fixedly connected to the inner surface wall of the first sound insulation coating layer, a second sound insulation coating layer is fixedly connected between the inner surface walls of the two sets of connecting plates, and a second sound insulation layer is fixedly connected to the inner surface wall of the second sound insulation coating layer. According to the utility model, under the action of the main body mechanism and the automatic regulation and control mechanism, when the silencer is used, a sealed space is isolated in the silencer, and under the control of the automatic regulation and control mechanism, gas in the sealed space can be pumped out, and a simulated empty state is formed, and under the effective cooperation of other materials, the air in the sealed space can be exhausted. And the anti-noise effect can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mufflers, in particular to a muffler for air-conditioning refrigeration pipelines. Background Art

[0002] The air conditioning refrigeration pipeline silencer is a device specially used to reduce the airflow noise in refrigeration equipment. This silencer is usually installed on the airflow duct of the refrigeration system. It can effectively reduce the noise generated by air flow and improve the quietness of equipment operation. The working principle of the air conditioning refrigeration pipeline silencer mainly depends on its internal acoustic structure and materials. These structures and materials can effectively absorb, reflect or offset the sound waves in the airflow, thereby reducing the propagation of noise. Common silencer structures include resistive silencers, reactive silencers and impedance composite silencers.

[0003] Existing, such as Chinese patent number: CN208180709U discloses a car air conditioning refrigeration pipeline silencer, including a silencer shell, a liquid outlet is arranged at the top of one side wall of the silencer shell, a liquid inlet is arranged at the bottom of the other side wall of the silencer shell, a pipe is arranged in the silencer shell, one end of the pipe is connected to the liquid outlet, and the other end of the pipe is connected to the liquid inlet, two support rods are arranged on the top inner wall and the bottom inner wall of the silencer shell, the pipe is evenly provided with clamps along the length direction, and one end of the support rod is connected with a clamp, the outside of the pipe is wrapped with a plurality of evenly arranged silencer pipes, a connecting pipe is arranged between two clamps located at different horizontal planes, and a stabilizing rod is connected between two connecting pipes located at the same horizontal plane. The utility model has a simple structure, a novel design, a reasonable structural design, an obvious silencing effect, a long service life, convenient processing and manufacturing, convenient connection and use, and is worthy of promotion.

[0004] Although the above-mentioned equipment is easy to connect, when in use, it is often only improved in material and noise-proofed because of the equipment's frequent use. This noise-proofing method is relatively simple, and when the internal material is worn, the noise-proofing effect is easily reduced. Utility Model Content

[0005] The utility model aims to solve the problem that when the above equipment is in use, the noise prevention method for materials is relatively simple, which leads to the problem that the noise prevention effect is easily reduced in the later stage, and proposes an air-conditioning refrigeration pipeline silencer.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: an air-conditioning refrigeration pipeline silencer, comprising a main body mechanism, the outer wall of the main body mechanism is fixedly connected with an automatic control mechanism;

[0007] The main body structure includes a silencer outer tube, the inner surface wall of the silencer outer tube is fixedly connected with a sound insulation layer 1, the inner surface wall of the sound insulation layer 1 is sprayed with a sound insulation paint layer 1, the inner surface wall of the sound insulation paint layer 1 is fixedly connected with two groups of connecting plates, a sound insulation paint layer 2 is fixedly connected between the inner surface walls of the two groups of connecting plates, the inner surface wall of the sound insulation paint layer 2 is fixedly connected with a sound insulation layer 2, and the inner surface wall of the sound insulation layer 2 is fixedly connected with the silencer inner tube.

[0008] Preferably, the outer wall of the outer pipe of the muffler is fixedly connected with two flanges.

[0009] Preferably, a one-way valve is fixedly connected to one side of the outer wall of the outer tube of the muffler, the sound insulation layer 1 and the sound insulation coating layer 1, and an air pressure gauge is fixedly connected to the top of the one-way valve.

[0010] Preferably, the automatic control mechanism comprises a vacuum pump, an input end of the vacuum pump is fixedly connected to an air pipe, and one side of an outer wall of the vacuum pump is fixedly connected to a controller.

[0011] Preferably, one side of the outer wall of the controller is fixedly connected to an actuator, and one side of the outer wall of the actuator is fixedly connected to a wire.

[0012] Preferably, the output end of the wire is connected to the control end of the one-way valve, and the input end of the air pipe is fixedly connected to the output end of the one-way valve.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, under the action of the main body mechanism and the automatic control mechanism, when the silencer is in use, a sealed space is isolated inside it, and under the control of the automatic control mechanism, the gas in the sealed space can be extracted to form a simulated empty state, and with the effective cooperation of other materials, the noise reduction effect can be greatly improved.

[0015] 2. In the utility model, under the action of the main mechanism and the automatic control mechanism, the device can monitor the gas in the vacuum state with a barometer. When the internal pressure exceeds the rated value, the controller is used to detect and analyze the detection data, and then the control data after analysis is transmitted to the actuator, thereby starting the one-way valve to complete another round of extraction of the gas inside, which can always keep the gas inside at a certain value and improve the noise prevention effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a main structural stereogram of an air-conditioning refrigeration pipeline silencer;

[0017] Figure 2The utility model provides a three-dimensional disassembled diagram of the main mechanism in an air-conditioning refrigeration pipeline silencer;

[0018] Figure 3 The utility model provides a partial structural stereogram of an air-conditioning refrigeration pipeline silencer;

[0019] Figure 4 The utility model provides a three-dimensional exploded diagram of a locking mechanism in a silencer of an air-conditioning refrigeration pipeline.

[0020] Legend: 1. Main body; 101. Outer tube of silencer; 102. Sound insulation layer 1; 103. Sound insulation coating layer 1; 104. Connecting plate; 105. Sound insulation coating layer 2; 106. Sound insulation layer 2; 107. Inner tube of silencer; 108. Flange; 109. One-way valve; 110. Air pressure gauge;

[0021] 2. Automatic control mechanism; 201. Vacuum pump; 202. Air pipe; 203. Controller; 204. Actuator; 205. Wire. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides an air conditioning refrigeration pipeline silencer, comprising a main body mechanism 1, the outer wall of the main body mechanism 1 is fixedly connected with an automatic control mechanism 2;

[0025] The main body mechanism 1 includes a silencer outer tube 101, the inner surface wall of the silencer outer tube 101 is fixedly connected with a sound insulation layer 102, the inner surface wall of the sound insulation layer 102 is sprayed with a sound insulation coating layer 103, the inner surface wall of the sound insulation coating layer 103 is fixedly connected with two groups of connecting plates 104, a sound insulation coating layer 105 is fixedly connected between the inner surface walls of the two groups of connecting plates 104, the inner surface wall of the sound insulation coating layer 105 is fixedly connected with a sound insulation layer 106, the inner surface wall of the sound insulation layer 106 is fixedly connected with a silencer inner tube 107, the outer surface wall of the silencer outer tube 101 is fixedly connected with two flanges 108, a one-way valve 109 is fixedly connected to one side of the outer wall of the silencer outer tube 101, the sound insulation layer 102 and the sound insulation coating layer 103, and a barometer 110 is fixedly connected to the top of the one-way valve 109.

[0026] The effect achieved by the entire embodiment 1 is that, firstly, when the device is in the state of soundproofing the device, the material used between the soundproofing layer 1 102 and the soundproofing layer 2 106 is a rigid polyurethane board, which is a soundproofing material made of rigid polyurethane as the main raw material and has a good soundproofing effect. It has the characteristics of impact resistance, high temperature resistance, waterproofness, etc., and can perform the first step of isolating the generated noise, and the outer wall of the soundproofing layer 1 102 and the soundproofing layer 2 106 is also sprayed with soundproofing paint, which is made of polyurethane paint, which has good elasticity and adhesion, and can be applied on different surfaces. They can not only soundproof, but also improve insulation and water resistance.

[0027] Embodiment 2, as Figure 2-Figure 4 As shown, the automatic control mechanism 2 includes a vacuum pump 201, the input end of the vacuum pump 201 is fixedly connected to an air pipe 202, one side of the outer wall of the vacuum pump 201 is fixedly connected to a controller 203, one side of the outer wall of the controller 203 is fixedly connected to an actuator 204, one side of the outer wall of the actuator 204 is fixedly connected to a wire 205, the output end of the wire 205 is connected to the control end of the one-way valve 109, and the input end of the air pipe 202 is fixedly connected to the output end of the one-way valve 109.

[0028] The effect achieved by the entire embodiment 2 is that, firstly, under the connection of the internal line group, the connection between the controller 203 and the barometer 110 can be achieved. When the gas inside it is higher than a certain value, the controller 203 can collect such numerical values, implement analysis and processing, and convert them into control instructions, and then transmit the instructions to the interior of the actuator 204, so that the actuator 204 completes the start-up processing of the one-way valve 109, thereby completing the extraction processing of the internal gas and maintaining the simulated empty state of the internal isolation space.

[0029] The use method and working principle of the device: First, when the device is in use, the two sets of connecting plates 104 can be used to fix the silencer inner tube 107, the second sound insulation layer 106 and the second sound insulation coating layer 105 to the inside of the silencer outer tube 101, and a space is isolated between the two insides. After the two flanges 108 connect the device to the external components, the internal sealing state is maintained. When the device is in use, the sound insulation layer 102, the sound insulation coating layer 103, the second sound insulation coating layer 105 and the second sound insulation layer 106 can control the noise at the front end under their own characteristics, and in the isolated space inside, the external automatic control mechanism 2 Under the action of, the barometer 110 is used to detect the sealed space environment. When the gas content inside it reaches a certain value, the monitoring data can be transmitted to the inside of the controller 203 through its internal line group. The controller 203 can collect such values ​​and implement analysis and processing and convert them into control instructions, and then transmit the instructions to the inside of the actuator 204, so that the actuator 204 completes the start-up processing of the one-way valve 109, thereby implementing the extraction processing of the internal gas, maintaining the simulated empty state of the internal isolation space, and further completing the isolation processing of the noise. In addition, the automatic detection and control of the automatic control mechanism 2 can be relied on to keep the equipment in a good noise-proof state.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A muffler for air conditioning refrigeration pipeline, characterized in that: It comprises a main body mechanism (1), the outer wall of which is fixedly connected with an automatic control mechanism (2); The main body structure (1) comprises a silencer outer tube (101); the inner surface wall of the silencer outer tube (101) is fixedly connected to a sound insulation layer 1 (102); the inner surface wall of the sound insulation layer 1 (102) is sprayed with a sound insulation coating layer 1 (103); the inner surface wall of the sound insulation coating layer 1 (103) is fixedly connected to two groups of connecting plates (104); a sound insulation coating layer 2 (105) is fixedly connected between the inner surface walls of the two groups of connecting plates (104); the inner surface wall of the sound insulation coating layer 2 (105) is fixedly connected to a sound insulation layer 2 (106); and the inner surface wall of the sound insulation layer 2 (106) is fixedly connected to a silencer inner tube (107).

2. The air conditioning refrigeration pipeline silencer according to claim 1, characterized in that: The outer wall of the muffler outer pipe (101) is fixedly connected with two flanges (108).

3. The air conditioning refrigeration pipeline silencer according to claim 2, characterized in that: A one-way valve (109) is fixedly connected to one side of the outer wall of the muffler outer tube (101), the sound insulation layer 1 (102) and the sound insulation coating layer 1 (103), and a barometer (110) is fixedly connected to the top of the one-way valve (109).

4. The air conditioning refrigeration pipeline silencer according to claim 3, characterized in that: The automatic control mechanism (2) comprises a vacuum pump (201), the input end of the vacuum pump (201) is fixedly connected to an air pipe (202), and one side of the outer wall of the vacuum pump (201) is fixedly connected to a controller (203).

5. The air conditioning refrigeration pipeline silencer according to claim 4, characterized in that: One side of the outer wall of the controller (203) is fixedly connected to an actuator (204), and one side of the outer wall of the actuator (204) is fixedly connected to a wire (205).

6. The air conditioning refrigeration pipeline silencer according to claim 5, characterized in that: The output end of the wire (205) is connected to the control end of the one-way valve (109), and the input end of the air pipe (202) is fixedly connected to the output end of the one-way valve (109).

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