Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
  • B60H1/00—Heating, cooling or ventilating [HVAC] devices
  • B60H1/32—Cooling devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
  • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Definitions

• the present disclosure relates to a compressor including a horizontal compressor unit and an accumulator unit.
• Patent Document 1 Conventionally, there is an air conditioner described in Patent Document 1.
• This device includes a vertically-installed compressor mechanism section whose shaft extends in the vertical direction, and an accumulator mechanism section that supplies a refrigerant to the compressor mechanism section, and the compressor mechanism section and the accumulator mechanism section are They are arranged one above the other.
• Patent Document 1 Japanese Unexamined Patent Application Publication No. 20000-0-3 3 7 7 3 7
• a small air conditioner is one in which the components of the freeze/freeze cycle are stored in an air conditioning case. According to a study by the inventor, such a small air conditioner may be installed, for example, under a seat installed in a vehicle, so that it is particularly necessary to shorten the length in the vertical direction.
• Such a small air conditioner includes a horizontal compressor whose shaft extends in the horizontal direction, and an accumulator that supplies a refrigerant to this electric compressor, and a compressor and an accumulator are provided.
• the idea is that they are arranged side by side.
• the compressor and accumulator are connected by piping. ⁇ 2020/175075 2 ⁇ (:171? 2020 /004607
• An object of the present disclosure is to reduce the length of the device in the vertical direction and to reduce the mounting area to reduce the size, and to improve the assemblability.
• a compressor compresses a refrigerant, and a horizontal type compressor unit that extends along a direction in which a shaft intersects a vertical direction, and a compressor unit is arranged side by side.
• an accumulator section for supplying the refrigerant to the compressor section, and the compressor section has a compressor case formed with an inlet for inflowing the refrigerant supplied from the accumulator section, and the accumulator section is ,
• a bottomed cylindrical accumulator case that separates the refrigerant into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant containing oil, and an accumulator case and a compressor case so as to close the opening of the accumulator case.
• a plate-shaped plate-shaped member that forms a flow path that guides the liquid-phase refrigerant containing oil and the gas-phase refrigerant to the inlet of the compressor case, and the accumulator case has a plate-shaped member. It is fixed to the compressor case via.
• the mounting area can be reduced and the assemblability can be improved.
• the vertical length of the device can be shortened and the mounting area can be reduced so that the mounting area can be reduced, and the assembling property can be improved.
• Fig. 1 is a cross-sectional view of a small-sized air conditioner according to a first embodiment with an upper cover and a blower removed.
• FIG. 2 An enlarged view of the compressor in Fig. 1.
• FIG. 3 is a view on arrow III in FIG.
• FIG. 4 is an exploded view of the compressor according to the first embodiment.
• Fig. 5 is a view on arrow V in Fig. 4.
• FIG. 6 is a side view of a plate-shaped member of the compressor according to the first embodiment.
• Fig. 7 is a view of the gasket as seen from the direction of arrow V in Fig. 4.
• FIG. 8 A diagram showing the flow of refrigerant in the compressor according to the first embodiment.
• FIG. 9 Fig. 1 It is sectional drawing containing a blower exhaust side blower in a line.
• Fig. 10 is a cross-sectional view including the blower on the exhaust side along the line 1 in Fig. 1.
• FIG. 11 A block diagram showing a control system of the small air conditioner according to the first embodiment.
• FIG. 12 is an enlarged view of the compressor according to the second embodiment.
• FIG. 13 is a view showing a modified example of the compressor according to the second embodiment.
• FIG. 14 An exploded view of a compressor according to a third embodiment.
• FIG. 15 An exploded view of a compressor according to a fourth embodiment.
• FIG. 16 An exploded view of a compressor according to a fifth embodiment.
• FIG. 17 A front view of a plate-like member of a compressor according to a fifth embodiment.
• FIG. 18 An enlarged view of a compressor according to a sixth embodiment. ⁇ 2020/175075 4 ⁇ (:171? 2020 /004607
• FIG. 19 is an enlarged view of a compressor according to a seventh embodiment.
• the compressor according to the first embodiment will be described with reference to the drawings.
• the compressor of this embodiment constitutes a small air conditioner 1.
• the small air conditioner 1 is installed under the seat of a vehicle such as an automobile or a personal moity, and is used to improve the comfort of passengers by blowing air-conditioned air from the side of the seat.
• a vehicle such as an automobile or a personal moity
• air-conditioned air from the side of the seat.
• terms such as upper side, lower side, left side, and right side those terms are used for convenience of explanation, and the position and orientation when the small air conditioner 1 is mounted on a vehicle, etc. Is not limited.
• a compressor 2, a condenser 3, a pressure reducing mechanism 4, an evaporator 5 and the like are connected by piping to form a vapor compression refrigerator.
• a refrigerant circulating in the refrigeration cycle for example, 1 to 10 series refrigerant (for example, 1 3 4 3 ) or 1 to 1 0 type refrigerant (for example, Etc. are used.
• a natural refrigerant for example, carbon dioxide
• the refrigerant for example, carbon dioxide
• the compressor 2 compresses the refrigerant sucked from the pipe 90 and discharges it from the outlet 2 12.
• the compressor 2 is an electric compressor that drives a compression mechanism with an electric motor.
• a compression mechanism for example, scroll type, vane type, etc. ⁇ 2020/175075 5 boxes (:171? 2020 /004607
• a rotary type is used.
• a reciprocating type such as a row type or a swash plate type may be used.
• the rotation speed of the electric motor is controlled by the control signal transmitted from the control device 30 shown in FIG. Therefore, the control device 30 controls the number of revolutions of the electric motor to change the refrigerant discharge capacity of the compressor 2.
• a refrigerant inlet of the condenser 3 is connected to a pipe through which the high pressure refrigerant is discharged from the compressor 2.
• the condenser 3 is a heat exchanger that exchanges heat between the high-temperature and high-pressure cooling medium discharged from the compressor 2 and the air passing through the condenser 3.
• the refrigerant flowing through the condenser 3 radiates heat to the air passing through the condenser 3 to be condensed.
• the air passing through the condenser 3 absorbs heat from the refrigerant flowing through the condenser 3 and becomes hot air.
• a pressure reducing mechanism 4 is provided in the middle of the pipe connecting the condenser 3 and the evaporator 5.
• the decompression mechanism 4 decompresses and expands the refrigerant flowing out of the condenser 3.
• a fixed throttle such as an orifice or a canary tube, a temperature expansion valve, or an electrically controlled expansion valve is used.
• a resistor can be used.
• the evaporator 5 provided on the downstream side of the decompression mechanism 4 is a heat exchange device that exchanges heat between the low-temperature low-pressure refrigerant that has flowed out of the decompression mechanism 4 and has become a gas-liquid two-phase, and the air that passes through the evaporator 5. It is a vessel.
• the refrigerant flowing through the evaporator 5 absorbs heat from the air passing through the evaporator 5 and evaporates.
• the air passing through the evaporator 5 radiates heat to the refrigerant flowing through the evaporator 5 and becomes cold air.
• a compressor 2 is installed downstream of the evaporator 5.
• the compressor 2 of the present embodiment compresses the refrigerant, and at the same time, the horizontal compression type compressor extends along the direction in which the shaft 27 intersects the vertical direction. It has a machine part 20. Further, an accumulator section 20 which is arranged side by side with the compressor section 20 and supplies a refrigerant to the compressor section 20 is provided. Furthermore, the compressor 2 includes a plate-shaped member 23, a first gasket 24, and a second gasket 25. The 1st and 2nd gaskets 2 4 and 2 5 correspond to the seal member. ⁇ 2020/175075 6 ⁇ (:171? 2020 /004607
• the accumulator section 20 separates the gas-liquid two-phase refrigerant that has flowed out of the evaporator 5, stores the excess refrigerant in the refrigeration cycle, and supplies the gas-phase refrigerant to the compressor section 20.
• the accumulator unit 20 has a bottomed cylindrical accumulator case 22 that separates the refrigerant into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant, and a plate-like member 23.
• the accumulator case 22 is in the shape of a square cylinder with a bottom.
• the accumulator case 22 is arranged with its opening facing the compressor case 21 side of the compressor section 208.
• the accumulator case 22 is formed with a refrigerant inlet 2 21 for introducing the refrigerant into the accumulator case 22 and a screw hole for letting the screw 3 1 pass through.
• the refrigerant inlet 2 21 is formed in the upper part of the bottom surface of the accumulator case 2 2.
• a joint 26 in which a refrigerant passage 2 61 is formed is fixed to the bottom surface of the accumulator case 22.
• the joint 26 is fixed to the bottom of the accumulator case 22 so that the refrigerant passage 2 61 formed in the joint 26 and the refrigerant inlet 2 21 formed in the bottom of the accumulator case 22 communicate with each other.
• the joint 26 is fixed by bolts 32.
• a pipe 90, through which the refrigerant from the evaporator 5 flows, is connected to the joint 26.
• the compressor section 20 is a compressor case in which the motor chamber [3 ⁇ 4 and the compression chamber ⁇ are formed.
• the compressor case 21 has a tubular shape. More specifically, the compressor case 21 has a hollow rectangular column shape. Inside the compressor case 21 is the motor room where the refrigerant flows. And the motor room It is divided into a compression chamber 80 that compresses the cooling medium that has flowed into the, and the accumulator case 2 2 is It is fixed to the compressor case 2 1 on the opposite side of the compression chamber ⁇ across the pin.
• the vertical dimension of the compressor case 21 is the same as the vertical dimension of the accumulator case 22.
• the shaft 27 is arranged inside the compressor case 21 so as to extend in the lateral direction.
• the compressor case 2 1 has an inlet 2 11 for letting the cooling medium supplied from the accumulator section 20 into the motor chamber 8 and an outlet 2 1 2 for letting out the refrigerant in the compression chamber to the condenser 3. , Are formed.
• Inlet 2 1 1 is the motor room And is formed on the upper part of the compressor case 21.
• the outlet 2 1 2 communicates with the compression chamber 0 and is formed in the lower part of the compressor case 21.
• a thin plate-shaped first gasket 24 On the opening side of the accumulator case 22 are arranged a thin plate-shaped first gasket 24, a plate-like member 23 and a second gasket 25, respectively.
• the diameter of the gas inlet hole 23 ⁇ is larger than the diameter of the oil inlet hole 23.
• the plate member 23 is arranged between the accumulator case 2 2 and the compressor case 21 so as to close the opening of the accumulator case 22, and is separated inside the accumulator case 22.
• a flow path for guiding the liquid-phase refrigerant containing the phase refrigerant and the oil to the inflow port 2 11 is formed.
• the accumulator section 20 separates the gas-liquid of the gas-liquid two-phase refrigerant flowing out from the evaporator 5. At this time, the liquid-phase refrigerant containing oil is collected on the lower side of the accumulator case 22 in the vertical direction, and the vapor-phase refrigerant is collected on the upper side of the accumulator case 22 in the vertical direction.
• This gas refrigerant is mixed with a liquid phase refrigerant containing a small amount of oil which flows in through an oil inlet hole 23 formed in the plate member 23.
• the gas cooling medium containing oil is introduced into the compressor case 21 through the inlet 211 formed in the compressor case 21.
• the capacitor 3 described above is arranged on one side of the air conditioning case 10, and the evaporator 5 is arranged on the other side of the air conditioning case 10.
• the capacitor 3 is arranged on the right side of the air conditioning case 10 and the evaporator 5 is arranged on the left side of the air conditioning case 10.
• the capacitor 3 and the evaporator 5 are ⁇ 2020/175075 9 boxes (:171? 2020 /004607
• Both of them are provided at a predetermined distance from the bottom portion 19 of the air conditioning case 10. That is, a space is provided between the bottom portion 19 of the air conditioning case 10 and the condenser 3. There is also a space between the bottom 19 of the air conditioning case 10 and the evaporator 5.
• Blowers 7 and 8 are provided to allow air to pass through.
• the blowers 7 and 8 are composed of a blower 7 and an exhaust blower 8.
• the blower 7 is a blower for blowing the air that has passed through the condenser 3 or the evaporator 5 into the vehicle interior that is the air-conditioned space.
• a blowout duct (not shown) is connected to the downstream side of the blower 7.
• the exhaust side blower 8 is a blower for discharging the air that has passed through the condenser 3 or the evaporator 5.
• An exhaust duct (not shown) is connected to the downstream side of the exhaust side blower 8.
• Both the blow-side blower 7 and the exhaust-side blower 8 are provided downstream of the condenser 3 or the evaporator 5 in the air flow. That is, both the blower 7 and the exhaust blower 8 are provided so as to suck in the air passing through the condenser 3 or the evaporator 5.
• the blower 7 and the exhaust blower 8 are composed of an impeller and an electric motor that rotates the impeller.
• various types such as an axial flow type, a centrifugal type, or a once-through type can be adopted.
• the blower-side blower 7 and the exhaust-side blower 8 each have their rotation speeds controlled by control signals transmitted from the control device 30 shown in FIG. Therefore, the controller 30 controls the rotation of the blower 7 ⁇ 2020/175075 10 boxes (:171? 2020 /004607
• control device 30 controls the rotation speed of the exhaust side blower 8 to change the amount of air blown by the exhaust side blower 8.
• the air conditioning case 10 is formed into a substantially rectangular parallelepiped.
• the shape of the air conditioning case 10 is not limited to this, and may be any shape according to the mounting space on the vehicle or the like.
• the air-conditioning case 10 accommodates the blower side blower 7, the exhaust side blower 8 and the like together with the refrigeration cycle components 2 to 5 including the compressor 2, the condenser 3, the pressure reducing mechanism 4 and the evaporator 5 described above. There is.
• the air-conditioning case 10 has multiple walls for partitioning the compressor 2, condenser 3, evaporator 5, blower 7 and exhaust 8 respectively.
• the wall provided between the blower-side blower 7 and the exhaust-side blower 8 and the condenser 3 is referred to as a first wall 11 1.
• the wall provided between the blower side blower 7 and the exhaust side blower 8 and the evaporator 5 is called the second wall 1 2.
• the wall provided between the blower 7 and the blower 8 is called the third wall 13. All of the first wall 11, the second wall 12 and the third wall 13 are provided at a position separated from the bottom portion 19 of the air conditioning case 10 by a predetermined distance. That is, a space is provided between the first wall 11, the second wall 12 and the third wall 13 and the bottom portion 19 of the air conditioning case 10.
• the wall provided between 7 and the evaporator 5 is called the fourth wall 14.
• the fourth wall 14 is connected to the bottom 19 of the air conditioning case 10.
• the wall provided in parallel with the bottom portion 19 of the air conditioning case 10 is the sixth wall 1 ⁇ 2020/175075 1 1 ⁇ (:171? 2020/004607
• the sixth wall 16 has a hole corresponding to the outer diameter of the impeller of the exhaust side blower 8.
• the blower 7 and the fifth wall 15 may be integrally formed, and the exhaust blower 8 and the sixth wall 16 may be integrally formed.
• a blowing door 60 is provided between the bottom portion 19 of the air conditioning case 10 and the blower 7 on the blowing side.
• the blowout door 60 is capable of closing an area of approximately half the space below the blower blower 7.
• the blowout door 60 closes the approximately half area on the condenser 3 side of the space under the blower side blower 7 while opening the approximately half area on the evaporator 5 side. It shows the state.
• the blowout door 60 is driven by a door actuator 70, and is provided so as to be capable of reciprocating between the first wall 11 and the partition wall 17 and the second wall 12 so as to reciprocate between them.
• the rack 61 provided on the surface of the blowout door 60 on the blower side blower 7 side is adapted to scoop up with a pinion (not shown). The door actuator 60 rotates and drives the pinion to move the blowout door 60.
• An exhaust door 8 0 is provided between the bottom portion 19 of the air conditioning case 10 and the exhaust side blower 8.
• the exhaust door 80 can block an approximately half of the space below the exhaust side blower 8.
• the exhaust door 80 closes the approximately half area of the evaporator 5 side of the space under the exhaust side blower 8 while opening the approximately half area of the condenser 3 side. It shows the state.
• the exhaust door 80 is also driven by the door actuator 70 and is installed so as to be able to reciprocate between the first wall 11 and the partition wall 17 and the second wall 12 so that it can move back and forth between them. ⁇ 2020/175075 12 boxes (:171? 2020 /004607
• the rack 8 1 provided on the surface of the exhaust door 80 on the side of the exhaust side blower 8 also fits into a pinion (not shown).
• the door actuator 80 rotates and drives the pinion to move the exhaust door 80.
• a space defined by the lower surface of the evaporator 5, the inner wall of the air conditioning case 10, the exhaust door 80, the partition wall 17 and the like in the air conditioning case 10 is called a cold air chamber 40.
• Cold air that has passed through the evaporator 5 flows into the cold air chamber 40.
• the air conditioning case 10 the space defined by the lower surface of the condenser 3, the inner wall of the air conditioning case 10, the blowout door 60, the partition wall 17 and the like is called a warm air chamber 50.
• the warm air that has passed through the condenser 3 flows into the warm air chamber 50. That is, the air-conditioning case 10 has a cold air chamber 40 and a warm air chamber 50.
• the drive of the compressor 2, the blower 7 on the blow side, the blower 8 on the exhaust side, the actuator for door 70, and the like included in the small air conditioner 1 are controlled by the controller 30 shown in Fig. 11.
• the control device 30 stores a processor that performs control processing and arithmetic processing, a program and data, etc. [3 ⁇ 4 ⁇ IV!,
• the storage unit of the control device 30 is composed of a non-transitional substantive storage medium.
• the control device 30 performs various control processes and arithmetic processes based on the programs stored in the storage unit, and controls the operation of each device connected to the output port.
• the control device 30 may be provided inside the air-conditioning case 10 or may be provided at a place apart from the air conditioning case 10.
• Figs. 1 and 9 to 10 show a state in which the small air conditioner 1 cools the vehicle interior.
• the control device 30 drives the door actuator 70, and the blowout door 60 controls the space below the blower side blower 7. Approximately half the area on the condenser 3 side is closed, and approximately half the area on the evaporator 5 side is open. Further, the control device 30 drives the door actuator 70, and the exhaust door 80 is installed in the space below the exhaust side blower 8 so that ⁇ 2020/175075 13 ⁇ (:171? 2020/004607
• the control device 30 drives the compressor 2, the blower side blower 7, and the exhaust side blower 8 of the refrigeration cycle. Then, as shown by the arrow ⁇ in FIG. 9, the cool air that has passed through the evaporator 5 is sucked into the blower 7 by the blower 7 through the opening 62 formed by the blow-out door 60, and the blower duct (not shown) passes through. It is blown out toward the occupant sitting on the seat or the vicinity thereof. At that time, as shown by arrows 1 to 18 in FIG.
• the warm air that has passed through the condenser 3 is sucked into the exhaust side blower 8 through the opening 8 2 formed by the exhaust door 80. Rarely, it is discharged to a place where it does not come into direct contact with the occupant or the outside of the vehicle through an exhaust duct (not shown).
• water vapor contained in the air that has passed through the evaporator 5 may be condensed, and condensed water may be generated.
• the condensed water generated in the evaporator 5 is accumulated in the bottom part 41 of the cold air chamber 40.
• the condensed water sent from the cold air chamber 40 to the warm air chamber 50 is evaporated by the warm air that has passed through the condenser 3 in the warm air chamber 50.
• the vaporized water of the condensed water is sucked into the exhaust side blower 8 and discharged through an exhaust duct (not shown) to a place where it does not come into direct contact with the occupant or the outside of the passenger compartment.
• the blowout door 60 and the exhaust door 80 are placed on the opposite sides of the left and right with respect to the state shown in Figs. 9 to 10. It will be moved. Although illustration of this state is omitted, the control device 30 drives the door actuator 70, and the blowout door 60 is substantially half of the space under the blower blower 7 on the evaporator 5 side. The area of is closed and the half of the area on the capacitor 3 side is opened. Further, the control device 30 drives the door actuator 70, and the exhaust door 8 0 closes the approximately half of the space on the condenser 3 side in the space under the exhaust side blower 8 and the evaporator 5 The approximately half area on the side is left open.
• control device 30 drives the compressor 2 of the refrigeration cycle, the blower 7 on the blow side, and the blower 8 on the exhaust side. Then, the warm air that has passed through the condenser 3 passes through the opening formed by the blowing door 60 and blows on the blowing side. ⁇ 2020/175075 14 ⁇ (:171? 2020 /004607
• the compressor of the present embodiment compresses the refrigerant, and includes the horizontal compressor unit 208 that extends along the direction in which the shaft intersects the vertical direction. .. Further, it is provided with an accumulator section 20 which is arranged side by side with the compressor section 20 and supplies a refrigerant to the compressor section 20. Further, the compressor section 20 has a compressor case 2 1 in which an inflow port 2 11 for inflowing the refrigerant supplied from the accumulator section 20 is formed. Further, the accumulator section 20 has a bottomed cylindrical accumulator case 22 that separates the refrigerant into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant containing oil.
• liquid-phase refrigerant and the gas-phase refrigerant which are arranged between the accumulator case 22 and the compressor case 21 so as to close the opening of the accumulator case 22, are sent to the inlet of the compressor case.
• Flow path 2 3 It has a plate-like plate member 23 that forms 2 3 ⁇ , 2 3 1.
• the accumulator case 22 is fixed to the compressor case 21 via the plate member 23.
• the horizontal compressor unit 20 and the compressor unit 20 are arranged side by side, and the accumulator unit 20 for supplying the refrigerant to the compressor unit 20 is provided. Since it is provided, the vertical length of the device can be shortened. Also, the accumulator case 22 is fixed to the compressor case 21 via the plate-like member 23, and it is not necessary to connect the accumulator case 22 and the compressor case 21 by piping, so the mounting area is It can be made smaller and the assemblability can be improved. In other words, the vertical length of the device can be shortened, the size of the device can be reduced so that the mounting area can be reduced, and the assemblability can be improved. ⁇ 2020/175075 15 ⁇ (:171? 2020/004607
• the inside of the compressor case 21 is divided into a motor chamber [3 ⁇ 4 into which the refrigerant flows and a compression chamber ⁇ that compresses the refrigerant flowing into the motor chamber 01, and
• the mortar case 2 2 is in the motor room It is fixed to the compressor case 2 1 on the opposite side of the compression chamber ⁇ across.
• the accumulator case 22 can be downsized as compared with the case where the accumulator case 22 is arranged on the compression chamber 0 side of the compressor case 21.
• a seal member is provided for sealing at least one gap between the compressor 3 and the compressor case 21.
• the seal member is a thin plate-shaped gasket 24, 25. Therefore, the size of the compressor can be reduced.
• the gas refrigerant is introduced into the plate-like member 23 by the inflow port 2 1 of the compressor case 21.
• the gas-phase refrigerant and the liquid-phase refrigerant containing oil can be introduced into the compressor case 21.
• the plate-like member 23 is formed with a recessed portion 231 which is recessed toward the accumulator case 22.
• the gas inlet hole 236 and the oil inlet hole 233 are formed in the recessed portion 231.
• the gas inflow hole 236 is formed on the bottom surface and is arranged vertically above the oil inflow hole 233.
• the compressor case 2 is formed by the concave portion 2 3 1 formed in the plate-like member 23.
• a compressor according to the second embodiment will be described with reference to FIGS. 12 to 13.
• the refrigerant inlet port 2 21 is provided on the bottom surface of the bottomed cylindrical accumulator case 22, but the compressor of the present embodiment is shown in FIG. As described above, the refrigerant inlet port 2 21 is provided on the upper surface of the bottomed cylindrical accumulator case 22.
• the refrigerant inlet port 2 is provided on the side surface of the bottomed tubular accumulator case 22.
• a refrigerant inlet port 2 21 may be provided on the upper surface of the bottomed tubular accumulator case 22.
• a compressor according to the third embodiment will be described with reference to FIG.
• the dimensions of the compressor case 21 in the front-rear direction, the left-right direction, and the up-down direction are the same as the dimensions of the compressor case 21 of the first embodiment.
• the dimensions of the accumulator case 22 in the left-right direction and the vertical direction are the same as the dimensions of the accumulator case 22 of the first embodiment.
• the front-rear dimension of the accumulator case 22 of this embodiment is longer than the front-rear dimension of the accumulator case 22 of the first embodiment.
• the dimension of the accumulator case 22 of the present embodiment in the front-rear direction is longer than the dimension of the compressor case 21 in the front-rear direction, and the maximum radial dimension of the accumulator case 22 is the compressor. It is longer than the maximum radial dimension of Case 21.
• a compressor according to the fourth embodiment will be described with reference to FIG.
• the compressor of this embodiment projects to the plate-shaped member 23 on the outer side in the radial direction of the compressor case 21 and on the side opposite to the accumulator case 22.
• the difference is that a protruding portion 2 3 2 forming a space is formed.
• the projecting portion 2 32 formed on the plate-shaped member 23 can further increase the capacity of the liquid storage portion of the accumulator portion 20.
• a compressor according to the fifth embodiment will be described with reference to FIGS. 16 to 17.
• the compressor of the present embodiment is different from the compressor of the first embodiment in that the plate member 23 is not provided with the recessed portion 231.
• the plate-like member 23 is provided with a gas inflow hole 236 and an oil inflow hole 23h. It should be noted that the plate member 23 is not formed with the recessed portion 231. Further, in the compressor case 21 of this embodiment, a gas refrigerant inlet port 2 1 1 3 and an oil inlet port 2 1 1 13 are separately formed.
• the accumulator case 22 is fixed to the compressor case 21 together with the first gasket 24, the plate member 23 and the second gasket 25. At this time, the gas inlet holes 2 36 and the oil inlet holes 23 formed in the plate-like member 23 are respectively attached to the compressor case. Communicate with.
• the gas is compressed from the inside of the accumulator case 2 2 through the gas inflow hole 2 3 6 formed in the plate-like member 23 and the gas refrigerant inlet 2 1 1 3 formed in the compressor case 2 1.
• a flow path leading to the motor chamber of the machine case 21 is formed.
• the compressor case is passed from the inside of the accumulator case 2 2 through the oil inlet hole 23 formed in the plate-like member 23 and the oil inlet port 2 1 1 formed in the compressor case 21. 2 1 motor room
• a flow path leading to is also formed.
• compressor according to the present embodiment, collected gas refrigerant in the vertical direction upper side of the accumulator casing 2 2, the gas inlet holes 2 3 6 formed in the plate-like member 2 3, the compressor casing 2 1 Compressor case 2 1 through gas refrigerant inlet 2 1 1 3 formed in ⁇ 2020/175075 18 ⁇ (:171? 2020/004607
• liquid-phase refrigerant containing the oil accumulated on the lower side in the vertical direction of the accumulator case 22 is stored in the oil inlet hole 23 formed in the plate member 23 and the compressor case 21.
• the oil is introduced into the compressor room 01 of the compressor case 21 through the formed oil inlet 21 11.
• the plate-shaped member 23 has a simplified structure, so that the manufacturing cost can be reduced.
• the compressor according to the present embodiment has a structure in which an inlet 2 2 1 of the accumulator case 2 2 is provided between the inlet 2 2 1 of the accumulator case 2 2 and the gas inlet hole 2 3 6 of the plate member 23. Then, a partition portion 2 33 that blocks the flow of the refrigerant flowing to the gas inflow hole 2 3 6 of the plate member 23 is arranged. Therefore, the partition part 23 3 can improve the gas-liquid separation property of the accumulator evening part 20.
• a filter 3 4 for removing impurities contained in the refrigerant flowing into the accumulator case 2 2 is provided at the inflow port 2 21 formed in the accumulator case 22. It is arranged.
• the filter 34 can remove impurities contained in the refrigerant flowing into the accumulator case 22.
• the partition part with filter function 2 3 4 is arranged between the inflow port 2 21 of the accumulator case 2 2 and the gas inflow hole 1st hole 2 3 6 of the plate member 23. Has been done.
• the partition part with filter function 2 3 4 removes impurities contained in the refrigerant flowing into the accumulator case 2 2 and flows from the inflow port 2 2 1 of the accumulator case 2 2 into the gas of the plate member 2 3. impede the flow of the refrigerant flowing into the inflow holes 3 6.
• a mesh member can be used as the partition part 2 34. ⁇ 2020/175075 19 ⁇ (:171? 2020/004607
• the partition part with filter function 2 34 can remove impurities contained in the refrigerant flowing into the accumulator case 22 and improve the gas-liquid separation property of the accumulator part 20. it can.
• the accumulator case 2 2 and the compressor case 21 are integrated into a square tube shape.
• the accumulator case 2 2 and the compressor case 2 1 are each in a polygonal column shape or a cylinder shape. They may be integrated as a shape.
• the present disclosure is not limited to the above-described embodiments, and can be modified as appropriate. Further, the above-described embodiments are not unrelated to each other, and can be appropriately combined unless a combination is clearly impossible. Further, in each of the above-described embodiments, the elements constituting the embodiment are not necessarily essential except when it is clearly indicated that they are particularly essential and when they are considered to be obviously essential in principle. Needless to say. In addition, in each of the above-described embodiments, numerical values such as the number, numerical value, amount, range, etc. of the constituent elements of the embodiment are referred to, when explicitly stated to be essential, and in principle limited to a specific number.
• the number is not limited to the specific number, except in the case where Further, in each of the above-described embodiments, when referring to the material, shape, positional relationship, etc. of the constituent elements, etc., there are cases where it is specified explicitly and in principle, the material, shape, positional relationship, etc. are limited. However, it is not limited to its material, shape, positional relationship, etc.
• the compressor compresses the refrigerant
• the horizontal compressor unit extends along the direction in which the shaft intersects the vertical direction. Equipped with.
• an accumulator section which is arranged side by side with the compressor section and supplies a refrigerant to the compressor section.
• the compressor section has a compressor case in which an inlet for the refrigerant supplied from the accumulator section is formed.
• the accumulator section uses a refrigerant as a gas phase refrigerant and a liquid phase refrigerant. ⁇ 2020/175075 20 boxes (:171? 2020 /004607
• It has a cylindrical accumulator case with a bottom that separates and stores the liquid-phase refrigerant containing oil. Further, the accumulator section is arranged between the accumulator case and the compressor case so as to close the opening of the accumulator case, and introduces the liquid-phase refrigerant and the gas-phase refrigerant containing oil to the inlet of the compressor case. And a plate-shaped plate member that forms a path. The accumulator case is fixed to the compressor case via the plate member.
• the interior of the compressor case is divided into a motor chamber into which the refrigerant flows and a compression chamber that compresses the refrigerant flowing into the motor chamber, and the accumulator
• the case is fixed to the compressor case on the opposite side of the compression chamber with the motor chamber in between.
• the accumulator case can be downsized as compared with the case where the accumulator case is arranged on the motor chamber side with the compression chamber interposed therebetween.
• the compressor, the sealing member to seal a gap of at least _ square of and between the plate member and the compressor casing of the accumulator casing and the plate member I have it.
• the sealing member is a thin plate-shaped gasket.
• the compressor case has a tubular shape, and the maximum radial dimension of the accumulator case is longer than the maximum radial dimension of the compressor case. Has become.
• the plate-shaped member is formed with a protruding portion that forms a space that protrudes on the outer side in the radial direction of the compressor case and opposite to the accumulator case. Therefore, the protrusion formed on the plate-shaped member further ⁇ 2020/175075 21 ⁇ (:171? 2020/004607
• a first hole portion that guides the vapor-phase refrigerant to the inlet of the compressor case and a liquid-phase refrigerant to the inlet of the compressor case are provided.
• the second hole that leads is formed.
• the plate-shaped member has the first hole for introducing the vapor-phase refrigerant to the inlet of the compressor case and the second hole for introducing the liquid-phase refrigerant containing oil to the inlet of the compressor case.
• the gas-phase refrigerant and the liquid-phase refrigerant containing oil can be introduced into the compressor case.
• the plate-shaped member is formed with a concave portion that is concave toward the accumulator case side, and the first hole portion and the second hole portion are formed on the bottom surface of the concave portion.
• the first hole is arranged above the second hole in the vertical direction.
• the flow rate of the vapor-phase refrigerant that flows into the inlet of the compressor case can be increased by the recess formed in the plate-shaped member.
• the accumulator case is formed with an inflow port for allowing the refrigerant to flow into the accumulator case. Further, a filter for removing impurities contained in the refrigerant flowing into the inside of the accumulator case is arranged at the inflow port formed in the accumulator case.
• the first inlet of the plate-shaped member flows through the inlet of the accumulator case.
• a partition is arranged to block the flow of the refrigerant flowing into the hole.
• the partition part can improve the gas-liquid separation property of the accumulator part.
• the partition with a filter function is arranged between the inlet of the accumulator case and the first hole of the plate-shaped member.
• This filter part with a filter function removes impurities contained in the refrigerant flowing into the accumulator case, and flows from the inlet of the accumulator case.
• the partition part with the filter function can remove impurities contained in the refrigerant flowing into the inner part of the accumulator case and improve the gas-liquid separation property of the accumulator part.

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• 2019
  • 2019-02-28 JP JP2019036224A patent/JP6992778B2/ja active Active
• 2020
  • 2020-02-06 WO PCT/JP2020/004607 patent/WO2020175075A1/ja active Application Filing

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