EP2949934A2 - Structure d'isolation phonique de compresseur et climatiseur comprenant un compresseur équipé de celle-ci - Google Patents
Structure d'isolation phonique de compresseur et climatiseur comprenant un compresseur équipé de celle-ci Download PDFInfo
- Publication number
- EP2949934A2 EP2949934A2 EP15169071.6A EP15169071A EP2949934A2 EP 2949934 A2 EP2949934 A2 EP 2949934A2 EP 15169071 A EP15169071 A EP 15169071A EP 2949934 A2 EP2949934 A2 EP 2949934A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound
- compressor
- cover member
- insulating
- insulating member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 description 30
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000009429 electrical wiring Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 241000219122 Cucurbita Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0033—Pulsation and noise damping means with encapsulations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
Definitions
- the present invention relates to a compressor sound-insulating structure that achieves sound insulation by covering the periphery of a compressor by using a sound-insulating member, and relates to an air conditioner provided with a compressor having the same.
- Patent Literature 1 discloses an example of such a compressor sound-insulating structure.
- Patent Literature 1 employs a soundproofing cover member that covers a top portion of a compressor and that has a stacked structure made of a sound-insulating material and a sound absorbing material.
- the sound-insulating material has a cylindrical portion that is integrally formed therewith around a through-hole, through which a refrigerant pipe passes, and that extends in a direction of the pipe, and a slit portion through which the refrigerant pipe passes is provided so as to extend from an end of the sound-insulating material to the tip of the cylindrical portion of the through-hole, thus providing sound insulation against the noise from the compressor by using the cylindrical portion having a certain dimension in the height direction.
- Patent Literature 1 the object of the invention disclosed in Patent Literature 1 is to enhance the sound-insulating function of the sound-insulating structure, and, in the case in which condensation drips onto the cover member that covers the top portion of the compressor, the invention does not have a function for preventing the condensation from entering the interior of the compressor through the cover member.
- various devices such as various refrigerant pipes and valves, is usually disposed in the upper space thereof, and, in the case in which elements, such as low-temperature pipes, an accumulator, or the like, is disposed in the upper space, condensation occurs on the surfaces thereof, and drips onto the cover member in the form of drain liquid.
- the drain liquid does not enter the interior of the compressor directly from the through-hole.
- the drain liquid does not enter the interior of the compressor directly from the through-hole.
- the cylindrical portion is not provided, there is a risk of the drain liquid entering the interior of the compressor directly from the through-hole, and, in this case, the drain liquid drips onto a main unit and terminals of the compressor, thus causing corrosion of and short circuiting in the compressor main unit.
- a discharge pipe of the compressor is provided with a discharge temperature sensor.
- this discharge temperature sensor When this discharge temperature sensor is externally exposed, there is a risk of the drain liquid dripping onto the discharge temperature sensor, which causes malfunctioning and deterioration of the temperature-detection precision due to heat dissipation to the outside, and, because this causes deterioration of the controllability and control precision of various control functions based on detection values thereof, countermeasures against this are required.
- the present invention is made in light of the above-described circumstances, and an object thereof is to provide a compressor sound-insulating structure with which, by appropriately handling drain liquid that drips onto a sound-insulating member covering a top portion of the compressor, it is possible to prevent the drain liquid from dripping onto a main unit and terminals of the compressor, a discharge temperature sensor, electrical wiring connected to the front side of the compressor, or the like, thus causing short circuiting, malfunctioning, corrosion, and so forth, and another object is to provide an air conditioner provided with a compressor having this sound-insulating structure.
- a compressor sound-insulating structure and an air conditioner provided with a compressor using this sound-insulating structure according to the present invention employ the following solutions.
- a compressor sound-insulating structure for sound insulation of a compressor by covering a periphery of the compressor by using a sound-insulating member, comprising: a top-portion sound-insulating member that is mounted on an upper portion of the compressor; and a cover member that covers an upper surface of the top-portion sound-insulating member, wherein the cover member has an upper surface which is a surface that is inclined downward toward a position at which drain liquid is drained from the upper surface, and the inclined upper surface is provided with a step portion that is provided with a through-hole through which an intake pipe passes and that is made higher than a surrounding area, and a tunnel-like protrusion portion that protrudes upward and in which a discharge pipe provided with a discharge temperature sensor is disposed.
- the top-portion sound-insulating member installed at the top portion of the compressor is provided with the cover member that covers the upper surface thereof, the cover member has the upper surface which is a surface that is inclined in the drain-liquid draining direction, and this inclined upper surface is provided with the step portion that is provided with the through-hole through which the intake pipe passes and that is made higher than the surrounding area, and the tunnel-like protrusion portion that protrudes upward and in which the discharge pipe provided with the discharge temperature sensor is disposed.
- the cover member having the upper surface which is a surface that is inclined downward in the drain-liquid draining direction receives the drain liquid, and thus, it is possible to quickly drain the drain liquid along the inclined surface in a specific draining direction, such as towards the rear side of the compressor.
- the through-hole for the intake pipe provided at the upper surface of the cover member is provided in the step portion that is made higher than the surrounding area, it is possible to prevent the drain liquid from entering the cover member from the through-hole and reaching the main unit of the compressor, and, in addition, the tunnel-like protrusion portion that protrudes upward and that is provided at the upper surface of the cover member covers the discharge pipe and the discharge temperature sensor disposed on the inner-surface side thereof, and thus, it is possible to shield the discharge pipe and the discharge temperature sensor from the outside air.
- the step portion extends from the periphery of the through-hole to an outer-circumferential edge portion of the cover member and a slit portion is provided between the outer-circumferential edge portion and the through-hole.
- the step portion extends from the periphery of the through-hole to the outer-circumferential edge portion of the cover member and because the slit portion is provided between this outer-circumferential edge portion and the through-hole, it is possible to make the intake pipe pass through the through-hole provided in the step portion via the slit portion extending to the outer-circumferential edge portion of the cover member, and, in addition, it is also possible to prevent drain liquid from entering the cover member from the slit portion. Therefore, it is possible to reliably prevent drain liquid from entering the main unit and the terminals of the compressor while ensuring ease of installation of the cover member.
- the cover member is provided with a bank at an outer-circumferential edge portion of the upper surface thereof, and the outer-circumferential edge portion does not include the bank at a lower portion of the downward inclined surface from which drain liquid is drained.
- the bank is provided at the upper surface of the cover member at the outer-circumferential edge portion, excluding the lower portion of the downward inclined surface from which the drain liquid is drained, it is possible to guide the drain liquid that has dripped onto the upper surface of the cover member in a specific draining direction by means of the bank, which makes it possible to prevent the drain liquid from being drained from the outer-circumferential edge portion in directions other than the specific draining direction. Therefore, it is possible to always drain the drain liquid that has dripped onto the upper surface of the cover member in a specific direction, that is, towards a position close to a draining port on the rear side or the like of the compressor.
- the cover member is provided with, at an outer-circumferential edge portion thereof, a downward-bent flange portion that engages with an edge of the top-portion sound-insulating member.
- the downward-bent flange portion that engages with the edge of the top-portion sound-insulating member is provided at the outer-circumferential edge portion of the cover member, by installing the cover member by engaging the bent flange portion provided at the outer-circumferential edge portion of the cover member with the edge of the top-portion sound-insulating member, it is possible to install the cover member in a state in which the position thereof is set by being oriented in a predetermined direction with the rotation thereof prevented. Therefore, it is possible to reliably drain the drain liquid in the specific direction by always setting the inclination direction of the cover member to a certain direction.
- a part of the bent flange portion is provided with an engagement checking portion whose height is made higher than the other area of the flange portion.
- the engagement checking portion whose height is made higher than other portions is provided at a portion of the bent flange portion, the engagement checking portion comes into contact with the upper surface of the top-portion sound-insulating member and becomes unnaturally inclined when the bent flange portion provided at the outer-circumferential edge portion of the cover member is not correctly engaged with the edge of the top-portion sound-insulating member, and therefore, it is possible to easily and visually recognize an installation error of the cover member. Therefore, the cover member can accurately be assembled without an error in a state in which it is difficult to visually recognize the error in the housing interior.
- the top-portion sound-insulating member is installed in a substantially horizontal manner on an upper portion of a body-portion sound-insulating member that covers an outer circumference of a body of the compressor, and the cover member is provided with an inwardly protruding portion that contacts with the upper surface of the horizontally-installed top-portion sound-insulating member and that causes the cover member to be inclined in a drain-liquid draining direction.
- the top-portion sound-insulating member is installed in a substantially horizontal manner on the top portion of the body-portion sound-insulating member that covers the outer circumference of the body portion of the compressor, and, because the cover member is provided with the inwardly protruding portion that is molded therein, that comes into contact with the upper surface of the horizontally-installed top-portion sound-insulating member, and that causes the cover member to be installed with an inclination in the drain-liquid draining direction
- the cover member in such a way that the inwardly protruding portion molded in the cover member is in contact with the upper surface of the horizontally-installed top-portion sound-insulating member, it is possible to install the cover member in such a way that the upper surface thereof is always inclined in the specific direction. Therefore, it is possible to facilitate inclined installation of the cover member and also to reliably ensure satisfactory drain-liquid draining function.
- the top-portion sound-insulating member is installed in a substantially horizontal manner on a top portion of a body-portion sound-insulating member that covers an outer circumference of a body of the compressor, and the top-portion sound-insulating member is provided with a step portion that contacts with an inner surface of the cover member and that causes the cover member to be inclined in a drain-liquid draining direction.
- the top-portion sound-insulating member is installed in a substantially horizontal manner at the top portion of the body-portion sound-insulating member that covers the outer circumference of the body portion of the compressor, and, because the top-portion sound-insulating member is provided with the step portion that comes into contact with the inner surface of the cover member and that causes the cover member to be installed with an inclination in the drain-liquid draining direction, by installing the cover member in such a way that the inner surface thereof is in contact with the step portion provided at the upper surface of the horizontally-installed top-portion sound-insulating member, it is possible to install the cover member in such a way that the upper surface thereof is always inclined in the specific direction. Therefore, it is possible to facilitate inclined installation of the cover member and also to reliably ensure satisfactory drain-liquid draining function.
- an air conditioner of an eighth aspect of the present invention is provided with a compressor that is sound insulated by using any one of the above-described compressor sound-insulating structures.
- the eighth aspect of the present invention because a compressor sound insulated by using any one of the above-described compressor sound-insulating structures is installed, it is possible to prevent accumulation of drain liquid on the sound-insulating member that sound insulates the compressor by covering the outer circumferential portion of the compressor, as well as short circuiting, malfunctioning, corrosion, or the like caused by dripping of the drain liquid onto the main unit and the terminals of the compressor, the discharge temperature sensor, electrical wiring connected to the front side of the compressor, or the like, and it is also possible to detect the discharge temperature by using the discharge temperature sensor while suppressing heat dissipation to the outside at a position closer to the compressor. Therefore, it is possible to increase the detection precision of the discharge temperature and to enhance the controllability based thereon. Therefore, it is possible to protect the compressor from the drain liquid generated around the compressor and to increase the reliability thereof, and it is also possible to enhance the controllability and the control precision of various control functions employing the discharge temperature sensor.
- a cover member having an upper surface which is a surface that is inclined downward in a drain-liquid draining direction receives the drain liquid, and thus, it is possible to quickly drain the drain liquid along the downward inclined surface in a specific draining direction, such as towards the rear side of the compressor.
- the through-hole for the intake pipe provided at the upper surface of the cover member is provided in the step portion that is made higher than the surrounding area, it is possible to prevent the drain liquid from entering the cover member from the through-hole and reaching the main unit of the compressor main unit, and, in addition, the tunnel-like protrusion portion that protrudes upward and that is provided at the upper surface of the cover member covers the discharge pipe and the discharge temperature sensor disposed on the inner-surface side thereof, and thus, it is possible to shield the discharge pipe and the discharge temperature sensor from the outside air.
- an air conditioner of the present invention because it is possible to prevent accumulation of drain liquid on the sound-insulating member that sound insulates the compressor by covering the outer circumferential portion of the compressor, as well as short circuiting, malfunctioning, corrosion, or the like caused by dripping of the drain liquid onto the main unit and the terminals of the compressor, the discharge temperature sensor, electrical wiring connected to the front side of the compressor, or the like, and also, because it is possible to detect the discharge temperature by using the discharge temperature sensor while suppressing heat dissipation to the outside at a position closer to the compressor, it is possible to increase the detection precision of the discharge temperature and to enhance the controllability based thereon, and therefore, it is possible to protect the compressor from the drain liquid generated around the compressor and to increase the reliability thereof, and it is also possible to enhance the controllability and the control precision of various control functions employing the discharge temperature sensor.
- FIG. 1 A first embodiment of the present invention will be described below using Figs. 1 to 6 .
- Fig. 1 is a perspective view showing a state in which a front cover of an air-conditioner outdoor unit provided with a compressor according to the first embodiment of the present invention is removed
- Fig. 2 is a perspective view showing a state in which a cover member of a sound-insulating member that covers a top portion of the compressor is removed
- Fig. 3 is a cross-sectional view of a compressor sound-insulating structure taken along A-A in Fig. 5
- Fig. 4 shows a cross-sectional view taken along B-B in Fig. 5 .
- Air-conditioner outdoor devices including a compressor 2, a four-way valve (not shown), an outdoor heat exchanger (not shown), a unit accumulator 3, and a compressor accumulator 4 (see Fig. 3 ), various refrigerant pipes 5 that connect them, an outdoor fan 6 that guides outdoor air to the outdoor heat exchanger, a control box 7, and so forth are disposed inside an air-conditioner outdoor unit 1.
- the outdoor heat exchanger and the outdoor fan 6 are disposed in the heat-exchanger-chamber in the outdoor unit 1, and the other devices are disposed in the machinery space.
- the compressor 2 is installed on the bottom surface of the outdoor unit 1 through vibration isolation mounts and is also sound insulated and soundproofed by covering the periphery of the compressor 2 by using a sound-insulating member 8.
- the sound-insulating member 8 is provided with a body-portion sound-insulating member 9 that is mounted like a belly band around the outer circumference of bodies of the compressor 2 and the compressor accumulator 4, which are mounted as a single unit, and a top-portion sound-insulating member 10 that is installed in a substantially horizontal manner at an opening end of the top portion of the body-portion sound-insulating member 9 so as to cover the top portions of the compressor 2 and the compressor accumulator 4. Because the outer diameter of the top-portion sound-insulating member 10 is slightly greater on the compressor 2 side than the outer diameter thereof on the compressor-accumulator 4 side, the planar shape thereof is a deformed gourd shape.
- the body-portion sound-insulating member 9 and the top-portion sound-insulating member 10 both have a three-layer stacked structure in which a sound absorbing material 12, such as a felt material or the like, is attached on both sides of a cover material 11 made of an olefin sheet or the like, and provide sound insulation and soundproofing against noise from the compressor 2, such as rotational noise from a motor, mechanical noise from a compression mechanism, vibrational noise due to pulsation of refrigerant, or the like.
- a sound absorbing material 12 such as a felt material or the like
- a hat-shaped cover member 13 made of an olefin sheet or the like is mounted so as to be engaged with the upper surface of the top-portion sound-insulating member 10 so as to cover an upper surface of the top-portion sound-insulating member 10.
- the top-portion sound-insulating member 10 is provided with through-holes 14 and 15 through which at least two of the refrigerant pipes, namely, a refrigerant discharge pipe 5A connected to the compressor 2 and a refrigerant intake pipe connected to the compressor 2 via the compressor accumulator 4, pass.
- a discharge temperature sensor 16 such as a thermistor or the like, is installed at a pipe surface thereof by being wrapped from outside with an insulating material 17 so that the temperature of the refrigerant discharged from the compressor 2 can be detected.
- the hat-shaped cover member 13 forms an inclined surface that is inclined downward on the rear side (back side) of the compressor 2 when an upper surface 18 thereof is placed above the upper surface of the top-portion sound-insulating member 10.
- this inclined surface made of the upper surface 18 guides and drains the drain liquid along the downward inclined surface in a specific direction corresponding to the rear side (back side) of the compressor 2.
- the upper surface 18 that is inclined downward to the rear side is provided with a step portion 20, which is provided with a through-hole 19 through which a refrigerant intake pipe 5B passes and which is higher than the surrounding area, and a tunnel-like protrusion portion 21 that protrudes upward and in which the refrigerant discharge pipe 5A, having the discharge temperature sensor 16 installed thereon, is disposed so as to extend in a horizontal direction.
- the step portion 20 provided with the through-hole 19 extends from the periphery of the through-hole 19 to an outer-circumferential edge portion of the cover member 13, and a slit portion 22 that allows the refrigerant intake pipe 5B to pass therethrough is provided between the outer-circumferential edge portion and the through-hole 19, and the cover member 13 can be mounted so as to allow the refrigerant intake pipe 5B to pass through the through-hole 19 via the slit portion 22.
- the tunnel-like protrusion portion 21 that protrudes upward extends from the front side of the cover member 13 rearward to the outer-circumferential edge portion, and the refrigerant discharge pipe 5A on which the discharge temperature sensor 16 is installed can be provided so as to extend toward the rear side, in the space between the inner surface of the tunnel-like protrusion portion 21 and the upper surface of the top-portion sound-insulating member 10 so that the upper portion of the refrigerant discharge pipe 5A is covered.
- a bank 23 having a predetermined height is provided at the upper surface 18 of the cover member 13 on the front side of the outer-circumferential edge portion, excluding a lower portion of the downward inclined surface on the rear side from which the drain liquid is drained so that the drain liquid that has dripped onto the upper surface 18 can reliably be guided by the bank 23 in a specific draining direction on the rear side so as to prevent the drain liquid that has dripped onto the upper surface 18 of the cover member 13 from being drained from the front side of the compressor 2.
- a bent flange portion 24 that is bent substantially vertically downward is provided over the entire circumference at the outer-circumferential edge portion of the cover member 13. As shown in Figs. 3 and 4 , this bent flange portion 24 can engage with the edge of the top-portion sound-insulating member 10 whose planar shape is a deformed gourd shape. Furthermore, as shown in Fig.
- an engagement checking portion 25 in which the flange height is made higher than the other portions of the flange portion is provided at a portion of the bent flange portion 24 at the rear side, and, with this engagement checking portion 25, it is possible to visually check the assembled state of the cover member 13 inside the unit, that is to say, the state of engagement of the bent flange portion 24 and the edge of the top-portion sound-insulating member 10.
- cover member 13 is provided with inwardly protruding portions 26 that are integrally molded at two locations at the front side with a distance therebetween and that cause the cover member 13 to always be installed with the upper surface 18 thereof inclined in the drain-liquid draining direction, by coming into contact with the upper surface of the top-portion sound-insulating member 10 that is installed in a substantially horizontal manner on the top portion of the body-portion sound-insulating member 9, which covers the outer circumference of the body portion of the compressor 2. As shown in Fig.
- the cover member 13 is stably installed by coming into contact with the upper surface of the top-portion sound-insulating member 10 at the bottom surfaces of the inwardly protruding portions 26 at the two locations on the front side where the upper surface 18 is made higher, and by a portion of the bottom surface on the rear side where the upper surface 18 is made lower coming into contact with the outer-circumferential edge portion of the upper surface of the top-portion sound-insulating member 10.
- Noise emitted to the surrounding area when the compressor 2 is operated such as motor rotational noise, mechanical noise from a compression mechanism, vibrational noise due to pulsation of refrigerant or the like, is reduced due to sound insulation and sound absorption by the sound-insulating member 8 that covers the outer circumference of the compressor 2.
- condensation sometimes occurs at the surfaces of various refrigerant pipes and devices disposed in the upper portion of the machinery space in which the compressor 2 is installed, and, in some cases, drain liquid is formed therefrom and drips onto the cover member 13 that covers the upper surface of the top-portion sound-insulating member 10 installed at the top portion of the compressor 2.
- the upper surface 18 of the cover member 13 that covers the upper surface of the top-portion sound-insulating member 10 is a surface that is inclined downward in the drain-liquid draining direction, and this inclined upper surface 18 is provided with the step portion 20, which is provided with the through-hole 19 through which the refrigerant intake pipe 5B passes and which is made higher than the surrounding area, and the tunnel-like protrusion portion 21, which protrudes upward and in which the refrigerant discharge pipe 5A provided with the discharge temperature sensor 16 is disposed.
- the cover member 13 having the upper surface 18 which is a surface that is inclined downward in the drain-liquid draining direction receives the drain liquid, and thus, it is possible to quickly drain the drain liquid along the inclined surface in a specific draining direction such as the rear side of the compressor 2.
- the through-hole 19 for the refrigerant intake pipe 5B provided at the upper surface of the cover member 13 is provided in the step portion 20 that is made higher than the surrounding area, it is possible to prevent the drain liquid from flowing toward the through-hole 19, entering the cover member 13 therefrom, and reaching the main unit and terminals of the compressor 2, and, in addition, the tunnel-like protrusion portion 21 that protrudes upward and that is provided at the upper surface 18 of the cover member 13 covers the refrigerant discharge pipe 5A and the discharge temperature sensor 16 disposed on the inner-surface side thereof, and thus, it is possible to shield the refrigerant discharge pipe 5A and the discharge temperature sensor 16 from outside air.
- step portion 20 extends from the periphery of the through-hole 19 to the outer-circumferential edge portion of the cover member 13 and because the slit portion 22 is provided between this outer-circumferential edge portion and the through-hole 19, it is possible to make the refrigerant intake pipe 5B pass through the through-hole 19 provided in the step portion 20 via the slit portion 22 extending to the outer-circumferential edge portion of the cover member 13, and, in addition, it is also possible to prevent drain liquid from entering the cover member 13 from the slit portion 22. Therefore, it is possible to reliably prevent drain liquid from entering the main unit and the terminals of the compressor 2 while ensuring ease of installation of the cover member 13.
- the bank 23 is provided at the upper surface 18 of the cover member 13 at the outer-circumferential edge portion, excluding the lower portion of the downward inclined surface from which the drain liquid is drained, it is possible to guide the drain liquid that has dripped onto the upper surface 18 of the cover member 13 in a specific draining direction, that is, towards the rear side of the compressor 2, by means of the bank 23, which makes it possible to prevent the drain liquid from being drained from the outer-circumferential edge portion in directions other than the specific draining direction, that is, towards the rear side of the compressor 2. Therefore, it is possible to always drain the drain liquid that has dripped onto the upper surface 18 of the cover member 13 in the specific direction, that is, towards a position close to a draining port on the rear side or the like of the compressor.
- the downward-bent flange portion 24 that engages with the edge of the top-portion sound-insulating member 10 is provided at the outer-circumferential edge portion of the cover member 13. Because of this, by installing the cover member 13 by engaging the bent flange portion 24 provided at the outer-circumferential edge portion of the cover member 13 with the edge of the top-portion sound-insulating member 10, it is possible to install the cover member 13 in a state in which the position thereof is set by being oriented in a predetermined direction with the rotation thereof prevented, and, by doing so, it is possible to reliably drain the drain liquid in the specific direction by always setting the inclination direction of the cover member 13, which is provided around a single refrigerant intake pipe 5B, to a certain direction by preventing rotation thereof.
- the engagement checking portion 25 whose height is made higher than the other portions of the flange portion is provided at a portion of the bent flange portion 24, the engagement checking portion 25 comes into contact with the upper surface of the top-portion sound-insulating member 10 and becomes unnaturally inclined when the bent flange portion 24 provided at the outer-circumferential edge portion of the cover member 13 is not correctly engaged with the edge of the top-portion sound-insulating member 10. Therefore, it is possible to easily and visually recognize an installation error of the cover member 13, and, accordingly, the cover member 13 can accurately be assembled without any error in a state in which it is conventionally difficult to visually recognize the error in the housing interior.
- the top-portion sound-insulating member 10 is installed in a nearly horizontal manner at the top portion of the body-portion sound-insulating member 9 that covers the outer circumference of the body portion of the compressor 2, and, because the cover member 13 is provided with, at two locations on the front side where the upper surface 18 is made higher, the integrally-molded inwardly protruding portions 26 that come into contact with the upper surface of the horizontally-installed top-portion sound-insulating member 10, and that cause the cover member 13 to be installed with an inclination in the drain-liquid draining direction, by installing the cover member 13 in such a way that the inwardly protruding portions 26 molded in the cover member 13 are in contact with the upper surface of the horizontally-installed top-portion sound-insulating member 10, it is possible to stably install the cover member 13 in such a way that the upper surface thereof is always inclined in the specific direction. Therefore, it is possible to facilitate inclined installation of the cover member 13 and also to reliably ensure satisfactory drain-liquid draining function
- This embodiment differs from the above-described first embodiment in that a inwardly protruding portion 26 is not provided in a cover member 13A. Because other points are the same as those of the first embodiment, descriptions thereof will be omitted.
- the inwardly protruding portions 26 are not molded in a cover member 13A.
- a step portion (not shown) having a predetermined height is provided at a predetermined position of the upper surface of the top-portion sound-insulating member 10 in order to install the cover member 13 so that the upper surface 18 thereof is always inclined in the drain-liquid draining direction.
- the step portion that comes into contact with an inner surface of the cover member 13A and that causes the cover member 13A to be installed with an inclination in the drain-liquid draining direction it is also possible to install the cover member 13A in such a way that the upper surface thereof is always inclined in the specific direction by installing the cover member 13A in such a way that the inner surface of the cover member 13A is in contact with the step portion provided at the upper surface of the horizontally-installed top-portion sound-insulating member 10. Therefore, it is possible to facilitate inclined installation of the cover member 13A and also to reliably ensure satisfactory drain-liquid draining function.
- the present invention is not limited to the invention according to the above-described embodiments, and appropriate modifications are possible within a range that does not depart from the scope thereof.
- the compressor 2 and the compressor accumulator 4 which is mounted to form a single unit therewith, are covered together by using the sound-insulating member 8
- the body-portion sound-insulating member 9 and the top-portion sound-insulating member 10 that constitute the sound-insulating member 8 both have a three-layer stacked structure in which a sound absorbing material 12, such as a felt material or the like, is attached on both sides of the cover material 11 made of an olefin sheet or the like has been described
- the sound-insulating member 8 is not limited thereto, and any configuration can be employed so long as sound insulating and soundproofing functions are included.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014109970A JP6320846B2 (ja) | 2014-05-28 | 2014-05-28 | 圧縮機の遮音構造およびその圧縮機を搭載した空気調和機 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2949934A2 true EP2949934A2 (fr) | 2015-12-02 |
EP2949934A3 EP2949934A3 (fr) | 2015-12-23 |
EP2949934B1 EP2949934B1 (fr) | 2016-11-16 |
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JP (1) | JP6320846B2 (fr) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3486574A4 (fr) * | 2016-07-13 | 2019-06-26 | Daikin Industries, Ltd. | Couvercle de compresseur pour dispositif de traitement de l'air |
EP3567319A4 (fr) * | 2018-03-23 | 2020-03-25 | Mitsubishi Electric Corporation | Unité extérieure pour climatiseur |
EP3674548A4 (fr) * | 2017-08-23 | 2020-07-01 | Mitsubishi Electric Corporation | Capot pour compresseur, unité extérieure pour dispositif de climatisation, et dispositif de climatisation |
Families Citing this family (3)
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JP6681004B2 (ja) * | 2016-06-07 | 2020-04-15 | 株式会社富士通ゼネラル | 圧縮機用カバー |
CN113464605B (zh) * | 2021-07-15 | 2023-02-17 | 珠海格力电器股份有限公司 | 减震套以及制冷设备 |
CN114745940B (zh) * | 2022-05-25 | 2024-05-14 | 湖南和为通信有限公司 | 一种多网合一智慧物联终端设备 |
Citations (1)
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JP2012122700A (ja) | 2010-12-10 | 2012-06-28 | Daikin Industries Ltd | 空気調和機用防音材 |
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JPS5534554U (fr) * | 1978-08-29 | 1980-03-05 | ||
JPS59113182U (ja) * | 1983-01-21 | 1984-07-31 | 三菱電機株式会社 | 空気調和機 |
JPH0814708A (ja) * | 1994-06-28 | 1996-01-19 | Toshiba Ave Corp | 流体圧縮機および空気調和機 |
JP2005036698A (ja) * | 2003-07-18 | 2005-02-10 | Mitsubishi Heavy Ind Ltd | 圧縮機の防音構造 |
JP2010121501A (ja) * | 2008-11-19 | 2010-06-03 | Panasonic Corp | 密閉型圧縮機 |
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- 2015-05-25 ES ES15169071.6T patent/ES2605843T3/es active Active
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JP2012122700A (ja) | 2010-12-10 | 2012-06-28 | Daikin Industries Ltd | 空気調和機用防音材 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3486574A4 (fr) * | 2016-07-13 | 2019-06-26 | Daikin Industries, Ltd. | Couvercle de compresseur pour dispositif de traitement de l'air |
EP3674548A4 (fr) * | 2017-08-23 | 2020-07-01 | Mitsubishi Electric Corporation | Capot pour compresseur, unité extérieure pour dispositif de climatisation, et dispositif de climatisation |
US11293648B2 (en) | 2017-08-23 | 2022-04-05 | Mitsubishi Electric Corporation | Compressor cover, outdoor unit of air-conditioning apparatus, and air-conditioning apparatus |
EP3567319A4 (fr) * | 2018-03-23 | 2020-03-25 | Mitsubishi Electric Corporation | Unité extérieure pour climatiseur |
US20210010712A1 (en) * | 2018-03-23 | 2021-01-14 | Mitsubishi Electric Corporation | Outdoor unit for air-conditioning apparatus |
US11959659B2 (en) * | 2018-03-23 | 2024-04-16 | Mitsubishi Electric Corporation | Outdoor unit for air-conditioning apparatus |
Also Published As
Publication number | Publication date |
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JP2015224824A (ja) | 2015-12-14 |
ES2605843T3 (es) | 2017-03-16 |
JP6320846B2 (ja) | 2018-05-09 |
EP2949934A3 (fr) | 2015-12-23 |
EP2949934B1 (fr) | 2016-11-16 |
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