Soundproof member

Abstract

To provide a soundproof member capable of preforming sound insulation for a compressor with a simple configuration.SOLUTION: A soundproof member disclosed herein performs sound insulation for a compressor, and comprises a substantially box-shaped body that covers each protruding surface of a box-shaped terminal part that is provided on a side surface of the compressor and protrudes from the side surface of the compressor. Consequently, it is possible to easily cover the terminal part by the soundproof member, thereby suppressing noise when the compressor is operating.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present disclosure relates to soundproofing members. [Background technology]

[0002] Patent Document 1 discloses an outdoor unit that includes a housing having a bottom plate and at least a portion of which is made of metal, a compressor that is provided inside the housing and compresses a refrigerant, an outdoor heat exchanger that is provided inside the housing and exchanges heat between the refrigerant and outside air, and an electric heating device that is provided on the upper surface of the bottom plate. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2015-055455 Summary of the Invention [Problem to be solved by the invention]

[0004] The present disclosure provides a soundproofing member that can provide soundproofing for a compressor with a simple configuration. [Means for solving the problem]

[0005] The soundproofing member of the present disclosure is a soundproofing member that provides soundproofing for a compressor, and includes a body formed in an approximately box shape that covers each protruding surface of a box-shaped terminal portion that is provided on a side surface of the compressor and protrudes from the side surface of the compressor. [Effects of the Invention]

[0006] According to the present disclosure, the terminal portion can be easily covered with a soundproofing member, and noise generated when the compressor is driven can be suppressed. [Brief explanation of the drawings]

[0007] [Figure 1] Refrigeration circuit diagram showing a heat medium circulating device according to embodiment 1 [Figure 2] FIG. 1 is a perspective view showing the inside of a heat medium circulator according to a first embodiment. [Figure 3] FIG. 1 is a perspective view showing a bottom plate and a compressor according to a first embodiment. [Figure 4] FIG. 1 is a perspective view of a soundproofing member according to a first embodiment, as viewed from the front side; [Figure 5] FIG. 1 is a perspective view of the soundproofing member according to the first embodiment, as seen from the back side; [Figure 6] FIG. 1 is a perspective view showing a state in which a soundproofing member according to a first embodiment is used; [Figure 7] 1 is a development view of a soundproofing member according to a first embodiment; DETAILED DESCRIPTION OF THE INVENTION

[0008] (Findings that formed the basis of this disclosure) At the time when the inventors arrived at the idea of ​​the present disclosure, there was a technique for installing a compressor on the bottom plate of a housing in an outdoor unit using a refrigeration cycle. However, in the conventional technology, there is a problem of noise generated when the compressor is driven. Generally, a compressor is provided with a terminal portion for connecting wiring to the compressor, and the terminal portion is provided so as to protrude from a side surface of the compressor. Therefore, even if the periphery of the compressor is covered with soundproofing material, the terminal portion gets in the way, making it difficult to effectively soundproof the compressor. Furthermore, since the terminal portion requires wiring work, the soundproofing material must be removed to expose the terminal portion during the work. In this case, if the entire compressor is soundproofed, the work of exposing the terminal portion becomes extremely cumbersome. The present invention has been made to solve this problem, and the subject matter of the present disclosure has been constituted in order to solve this problem. The present disclosure provides a soundproofing member that can provide soundproofing for a compressor with a simple configuration.

[0009] Hereinafter, embodiments will be described in detail with reference to the drawings. However, unnecessary detailed description may be omitted. For example, detailed description of well-known matters or redundant description of substantially the same configuration may be omitted. This is to avoid unnecessary redundancy in the following description and to facilitate understanding by those skilled in the art. The accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

[0010] (Embodiment 1) Hereinafter, the first embodiment will be described with reference to the drawings. [1-1.Configuration] [1-1-1. Configuration of the heat medium circulator] FIG. 1 is a refrigeration circuit diagram showing a heat medium circulating device according to the first embodiment. In this embodiment, the heat medium circulating device 1 is an outdoor unit of a heat pump type hot water heater. The hot water heater is a device that heats a room by circulating a heat medium (for example, water) heated by a refrigeration cycle of the heat medium circulating device 1 through a heat exchanger of an indoor unit. The hot water heater of this embodiment can also perform cooling operation by circulating a heat medium cooled by a refrigeration cycle through the indoor unit. In FIG. 1, the flow of the refrigerant and heat medium during cooling operation of the hot water heater is indicated by arrows.

[0011] The heat medium circulating device 1 is provided with a compressor 2. The compressor 2 is a device that draws in, compresses, and discharges a refrigerant. In the heat medium circulating device 1, a flow path switching mechanism 3 is connected to the discharge side and the suction side of the compressor 2. The flow path switching mechanism 3 switches the destination of the refrigerant discharged to the compressor 2 between an air heat exchanger 4 serving as a heat source side heat exchanger and a water heat exchanger 10 serving as a user side heat exchanger, and causes the destination heat exchangers 4, 10 to function as condensers. The flow path switching mechanism 3 also draws the refrigerant that has passed through the evaporator of one of the heat exchangers 4, 10 into the compressor 2. The flow path switching mechanism 3 is, for example, a four-way valve.

[0012] The air heat exchanger 4 is a heat exchanger that exchanges heat between the refrigerant inside and the outside air. The air heat exchanger 4 is, for example, a fin-tube type heat exchanger. The heat medium circulating device 1 is provided with a blower 5 that flows the outside air through the air heat exchanger 4. In this embodiment, the blower 5 is an axial flow fan.

[0013] The water heat exchanger 10 is a plate-type heat exchanger that exchanges heat between a refrigerant flowing inside and a heat medium. The heat medium heated or cooled by the water heat exchanger 10 circulates between the heat medium circulator 1 and the indoor unit to air-condition the room.

[0014] The air heat exchanger 4 and the water heat exchanger 10 are connected via an expansion valve 6. A receiver tank 15 that stores low-temperature, high-pressure liquid-phase refrigerant cooled by the condenser is provided between the water heat exchanger 10 and the expansion valve 6 (see FIG. 2). The expansion valve 6 is a valve that reduces the pressure of the refrigerant that flows from the condenser of each heat exchanger 4, 10 via the receiver tank 15 to make it a two-phase gas-liquid refrigerant, and allows it to flow into the evaporator of each heat exchanger 4, 10. In this embodiment, the opening of the expansion valve 6 can be adjusted by electronic control, and the flow rate of the refrigerant is adjusted by changing the opening.

[0015] On the inlet side of the water heat exchanger 10, a circulation pump 16 and a valve 16a that can be connected to an external water pipe are provided. A gas-liquid separator 17 that removes refrigerant or air from the heat medium is provided downstream of the water heat exchanger 10. A valve 18a that can be connected to a water pipe external to the heat medium circulating device 1 via an outlet-side water pipe 18 is provided on the outlet-side water pipe 18. In addition, a flow rate sensor 19 that measures the flow rate of the heat medium is provided on the outlet-side water pipe 18.

[0016] [1-1-2. Configuration of the heat medium circulator] 2 is a perspective view showing the inside of the heat medium circulating device, in which the symbol X indicates the left side of the heat medium circulating device 1, the symbol Y indicates the front side of the heat medium circulating device 1, and the symbol Z indicates the upper side. 2, the heat medium circulator 1 is provided with a blower chamber 7, which is a space partitioned off to the left by a partition plate 9, and a machine chamber 8, which is a space partitioned off to the right by the partition plate 9. The partition plate 9 is made of sheet metal and is disposed in an orientation that is approximately perpendicular to the left-right direction.

[0017] The blower chamber 7 is provided with an air heat exchanger 4 and a blower 5. The air heat exchanger 4 is provided on the right side and rear side of the blower chamber 7. The blower 5 blows air inside the heat medium circulating device 1 forward, thereby drawing in outside air through the air heat exchanger 4 and exchanging heat between the outside air and the refrigerant inside the air heat exchanger 4. In this embodiment, a heat medium circulating device 1 in which two blowers 5 are provided vertically in the blower chamber 7 will be described as an example, but the number of blowers 5 of the heat medium circulating device 1 is not particularly limited.

[0018] The machine room 8 is provided with the compressor 2, the flow path switching mechanism 3, the expansion valve 6, the receiver tank 15, the water heat exchanger 10, and the gas-liquid separator 17. The compressor 2 is placed on the bottom plate 1a of the heat medium circulator 1 via rubber legs. The flow path switching mechanism 3 is disposed above the compressor 2. The water heat exchanger 10 is provided at a position spaced above the bottom plate 1a via a support member 8a made of sheet metal.

[0019] [1-1-3. Soundproofing structure] Next, the soundproofing structure of the compressor will be described. FIG. 3 is a perspective view showing the bottom plate and the compressor according to the first embodiment. As shown in FIG. 3, a terminal portion 20 protruding in a substantially rectangular shape is provided on the side surface of the substantially cylindrical compressor 2. The terminal unit 20 has a box-like outer shape and is provided so as to protrude from the side surface of the compressor 2. Inside the terminal unit 20, connection terminals (not shown) are provided for connecting, for example, power supply wiring, signal wiring, etc. to the compressor 2. On the bottom surface of the terminal unit 20, a substantially cylindrical outlet portion 21 is provided for outletting the connected wiring. On the front surface of the terminal unit 20, a lid 22 that closes the terminal unit 20 is attached with bolts 23 or the like.

[0020] A soundproof sheet 30 is wrapped around the outer circumferential surface of the compressor 2. The soundproof sheet 30 is made of, for example, a material in which fibers are bonded to one side of a rubber sheet. The length of the soundproof sheet 30 is longer than the outer periphery of the compressor 2. Square cutouts 31 are formed on both ends of the soundproof sheet 30. The soundproof sheet 30 is wrapped around the outer peripheral surface of the compressor 2 and overlapped with the notch 31 positioned at the terminal portion 20. In this state, the soundproof sheet 30 is fixed to the outer peripheral surface of the compressor 2 by holding down both ends of the soundproof sheet 30 with holding members 32 such as tape.

[0021] Further, the terminal portion 20 is provided with a soundproofing member 40 that covers the terminal portion 20 . Fig. 4 is a perspective view of the soundproofing member according to the first embodiment as seen from the front side. Fig. 5 is a perspective view of the soundproofing member according to the first embodiment as seen from the back side. Fig. 6 is a perspective view showing the soundproofing member according to the first embodiment in use. Fig. 7 is a development view of the soundproofing member according to the first embodiment.

[0022] As shown in Figures 4 and 5, soundproofing member 40 has a main body 41 consisting of a surface panel 42, side panels 43 continuous with both sides of surface panel 42, a top panel 44 continuous with the upper edge of surface panel 42, and a bottom panel 45 continuous with the lower edge of surface panel 42. The surface plate 42 has a rectangular shape and an outer shape slightly larger than the outer shape of the terminal portion 20 so that it can cover the front surface of the terminal portion 20 . Each side panel 43 has a vertical dimension slightly larger than that of the top panel 42, and the top and bottom ends of each side panel 43 have a shape that protrudes slightly beyond the top and bottom ends of the top panel 42.

[0023] The top plate 44 has a dimension that allows it to cover the top surface of the terminal portion 20. The top plate 44 has a depth dimension that is shorter than the depth dimension of the side plate 43. In addition, flange portions 44a that stand upright are formed on both ends of the top plate 44. The bottom plate 45 has a dimension that allows it to cover the lower surface of the terminal portion 20. The bottom plate 45 has a depth dimension that is shorter than the depth dimension of the side plate 43. In addition, flange portions 45a that stand upright downward are formed on both ends of the bottom plate 45. The bottom plate 45 is formed with a substantially U-shaped notch 46 .

[0024] 6, the surface panel 42, side panel 43, top panel 44, and bottom panel 45 that make up the main body 41 are made from a single sheet, and rectangular notches 47 are formed at the corners of the boundaries between the surface panel 42, side panel 43, top panel 44, and bottom panel 45. The provision of these notches 47 makes it easier to fold the surface panel 42, side panel 43, top panel 44, and bottom panel 45. Like the soundproof sheet 30, the main body 41 is made of a material in which fibers are bonded to one side of a rubber sheet, for example. The main body 41 is formed into a roughly box-like shape as shown in FIG. 3 by folding the boundary portions of the front panel 42, side panels 43, top panel 44, and bottom panel 45 and then sewing the joining edges. Specifically, the upper edge of each side panel 43 is sewn to the flange portion 44a of the top panel 44, and the lower edge of each side panel 43 is sewn to the flange portion 45a of the bottom panel 45, thereby forming the main body 41 into a generally box-like shape. In this state, the rear portions of both side panels 43 have insertion pieces 48 formed therein that are longer than the rear ends of the top panel 44 and the bottom panel 45.

[0025] [1-2. Effect] Next, the operation of the first embodiment will be described. First, the soundproof sheet 30 is wrapped around the outer peripheral surface of the compressor 2, and overlapped with the notch 31 positioned at the terminal portion 20. In this state, the soundproof sheet 30 is fixed to the outer peripheral surface of the compressor 2 by holding down both ends of the soundproof sheet 30 with the holding members 32. Thereafter, soundproofing member 40 is attached so as to cover terminal portion 20, and soundproofing member 40 is fixed to soundproofing sheet 30 by inserting insertion pieces 48 of side panel 43 into the inside of notch portion 31 of soundproofing sheet 30. At this time, extraction portion 21 of terminal portion 20 is positioned inside notch portion 46 of bottom panel 45.

[0026] In this state, by driving the compressor 2, during cooling operation, as shown in Fig. 1, the flow path switching mechanism 3 causes the refrigerant discharged from the compressor 2 to flow into the air heat exchanger 4 to dissipate heat. The refrigerant that has dissipated heat in the air heat exchanger 4 is liquefied, passes through the expansion valve 6, and becomes a gas-liquid two-phase refrigerant before flowing into the water heat exchanger 10. The refrigerant in a gas-liquid two-phase state that has flowed into the water heat exchanger 10 absorbs heat from the heat medium flowing through the water heat exchanger 10 and evaporates, becoming a gas refrigerant and returning to the compressor 2. On the other hand, the heat medium that has undergone heat exchange in the water heat exchanger 10 is circulated between the indoor unit and the water heat exchanger 10 while cooling the water by driving the circulation pump 16, thereby cooling the room.

[0027] In this case, the compressor 2 is covered with the soundproof sheet 30 and the soundproof member 40, so that the noise generated by the compressor 2 is absorbed by the fibers that make up the soundproof member 40, thereby suppressing the noise of the compressor 2.

[0028] [1-3. Effects, etc.] As described above, the soundproofing member 40 of this embodiment has a main body 41 formed in an approximately box shape that covers each protruding surface of the box-shaped terminal portion 20 that is provided on the side of the compressor 2 and protrudes from the side of the compressor 2. This allows the terminal portion 20 to be easily covered with the soundproofing member 40, thereby suppressing noise when the compressor 2 is driven.

[0029] In addition, in the soundproofing member 40 of this embodiment, the main body 41 is composed of a surface panel 42, two side panels 43, a top panel 44, and a bottom panel 45, and the main body 41 is formed into an approximately box shape by folding and sewing a single sheet having the surface panel 42, the two side panels 43, the top panel 44, and the bottom panel 45. This makes it possible to easily form the main body 41, which is made up of the surface plate 42, two side plates 43, top plate 44, and bottom plate 45, from a single sheet. Furthermore, the surface plate 42, two side plates 43, top plate 44, and bottom plate 45 can reliably cover each surface of the terminal section 20.

[0030] Furthermore, in soundproofing member 40 of this embodiment, main body 41 is made of a material in which a rubber sheet and a fiber are bonded together. As a result, the fibers of the main body 41 absorb noise generated by the operation of the compressor 2, and the noise of the compressor 2 can be suppressed.

[0031] In addition, the soundproofing member 40 of this embodiment is provided with a soundproofing sheet 30 on the outer periphery of the compressor 2 that covers everything except the terminal portion 20, and the side panel 43 is provided with an insertion piece 48 that is inserted inside the soundproofing sheet 30. As a result, by inserting the insertion pieces 48 provided on the side panels 43 into the inside of the soundproof sheet 30, the soundproof member 40 can be easily fixed and also easily removed. Therefore, when wiring the terminal section 20, the soundproof member 40 can be easily removed, thereby improving work efficiency.

[0032] (Other embodiments) As described above, the first embodiment has been described as an example of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made. Furthermore, it is also possible to combine the components described in the first embodiment above to create new embodiments.

[0033] (Addendum) The above description of the embodiments discloses the following techniques. (Technology 1) A soundproofing member for soundproofing a compressor, comprising a body formed in a roughly box shape that covers each protruding surface of a box-shaped terminal portion that is provided on a side surface of the compressor and protrudes from the side surface of the compressor. According to this configuration, the terminal portion can be easily covered with the soundproofing material, and noise generated when the compressor is driven can be suppressed.

[0034] (Technology 2) The soundproofing member according to Technology 1, wherein the main body is composed of a surface panel, two side panels, a top panel, and a bottom panel, and the main body is formed into a roughly box shape by folding and sewing a single sheet that includes the surface panel, the two side panels, the top panel, and the bottom panel. This configuration allows the main body, which is composed of the front panel, two side panels, top panel, and bottom panel, to be easily formed from a single sheet, and each surface of the terminal section can be reliably covered by the front panel, two side panels, top panel, and bottom panel.

[0035] (Technology 3) The soundproofing member according to Technology 1 or Technology 2, wherein the main body is made of a material in which a rubber sheet and a fiber are bonded together. According to this configuration, the fibers of the main body absorb noise generated by the operation of the compressor, thereby suppressing the noise of the compressor.

[0036] (Technology 4) The soundproofing member according to Technology 2 or Technology 3, wherein the compressor is provided with a soundproofing sheet that covers the compressor except for the terminal portion, and the side panel is provided with an insertion piece that is inserted into the inside of the soundproofing sheet. With this configuration, the soundproofing material can be easily fixed and removed by inserting the inserts on the side panels into the inside of the soundproofing sheet. Therefore, when wiring the terminal section, the soundproofing material can be easily removed, improving work efficiency. [Industrial Applicability]

[0037] The present disclosure can be suitably used for a soundproofing member that can provide soundproofing for a compressor with a simple configuration. [Explanation of symbols]

[0038] 1 Heat medium circulation device 1a Bottom plate 2 Compressor 3. Flow path switching mechanism 4. Air heat exchanger 5. Blower 6 Expansion valve 7 Blower room 8 Machine room 8a Support member 9 Partition 10 Water heat exchanger 15 Receiver Tank 16 Circulation pump 16a Valve 17 Gas-liquid separator 18 Outlet side water piping 18a Valve 19 Flow Sensor 20 Terminal Section 21 Removal part 22 Lid 23 volts 30 Soundproofing Sheet 31 Notch 32 Retaining member 40 Soundproofing materials 41 Main Unit 42 Surface plate 43 Side plate 44 Top plate 44a Flange 45 Bottom plate 45a flange 46 Notch 47 Notch 48 Insert

Claims

1. A soundproofing member for soundproofing a compressor, a main body formed in a substantially box shape that covers each protruding surface of a box-shaped terminal portion that is provided on a side surface of the compressor and protrudes from the side surface of the compressor; Soundproofing material.

2. The main body is composed of a surface plate, two side plates, a top plate, and a bottom plate, The main body is formed into a substantially box-like shape by folding and sewing a single sheet including the surface panel, the two side panels, the top panel, and the bottom panel. The soundproofing member according to claim 1 .

3. The main body is made of a material in which a rubber sheet and a fiber are bonded together. The soundproofing member according to claim 2.

4. a soundproof sheet is provided on the outer periphery of the compressor to cover the area other than the terminal portion; The side panel has an insert piece that is inserted into the inside of the soundproof sheet. The soundproofing member according to claim 2.

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