WO2005124151A1 - 振動式圧縮機 - Google Patents
振動式圧縮機 Download PDFInfo
- Publication number
- WO2005124151A1 WO2005124151A1 PCT/JP2005/010951 JP2005010951W WO2005124151A1 WO 2005124151 A1 WO2005124151 A1 WO 2005124151A1 JP 2005010951 W JP2005010951 W JP 2005010951W WO 2005124151 A1 WO2005124151 A1 WO 2005124151A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- piston
- cylinder
- suction
- discharge
- 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.)
- Ceased
Links
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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
- F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
-
- 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
- F04B39/08—Actuation of distribution members
-
- 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
- F04B39/10—Adaptations or arrangements of distribution members
Definitions
- the present invention relates to a vibrating compressor that reciprocates a piston that defines a compression chamber in a cylinder.
- a vibration-type compressor has a cylinder provided in a housing, a piston provided in the cylinder and defining a compression chamber, a panel member for reciprocally supporting the piston, and a Some include a piston driving means for reciprocating a piston (for example, see Patent Document 1).
- a suction valve is provided at a suction port at a boundary between a suction side passage inside the piston and the compression chamber, and the suction side urging panel is used to close the suction valve to the suction port and shut off the suction valve. Pull in the direction you want to support.
- a discharge valve is provided at the discharge port at the boundary between the space communicating with the compression chamber in the cylinder and the refrigerant discharge pipe, and the discharge-side urging panel closes the discharge valve to the discharge port and shuts off the discharge valve. To support it.
- Patent Document 1 JP-A-11-303734
- the present invention has been made in view of its power, and its object is to reduce noise and improve durability by modifying the configuration of a valve that opens and closes a compression chamber.
- An object of the present invention is to provide a vibrating compressor.
- At least one of a suction valve and a discharge valve is provided. Both were sleighed.
- the first invention relates to a cylinder (10) provided in a housing (3),
- At least one of the suction valve and the discharge valve of the compression chamber (11) is constituted by a sleeve (40, 140).
- valves that open and close the compression chamber (11) are sleeved so that no collision occurs between each valve and the valve seat around the port. Therefore, there is no possibility that the valve will be fatigued due to repeated collisions and the valve will not crack.
- the suction valve and the discharge valve are constituted by two sleeves (40, 140).
- the suction valve and the discharge valve are constituted by two sleeves (40, 140).
- the suction of the fluid into the compression chamber (11) and the fluid from the compression chamber (11) are performed.
- the discharge and the discharge are performed.
- by adjusting the port position of each sleeve (40, 140) it is possible to substitute for the suction valve or the discharge valve.
- the movement can be smoothed. Therefore, no collision noise is generated with any of the valves.
- the suction valve and the discharge valve are formed by a single sleeve (40). According to this configuration, simply by linking one sleeve (40) with each piston (20, 21), suction of fluid into the compression chamber (11) and discharge of fluid by the compression chamber (11) are performed. Is At this time, no collision noise is generated in any of the valves.
- a sleeve driving means (41) for driving the sleeve (40, 140) is provided. According to this configuration, the sleeve (40, 140) is driven by the sleeve driving means (41), and the suction and discharge of the fluid are performed by interlocking with the pistons (20, 21).
- the sleeve driving means (41) is a linear motor. According to this configuration, the sleeve (40, 140) reciprocates by driving the linear motor.
- a control unit for controlling the position and phase of the sleeve (40, 140) is provided. According to this configuration, by controlling the linear motor by the control unit, The position and phase of the probes (40, 140) are controlled.
- the piston drive means (32) is also a linear motor, and the sleeve drive means (41) and the stator (34, 37) of the piston drive means (32) are used.
- the sleeve (40, 140) is supported by the housing (3) by the panel member (16).
- At least one of the suction valve and the discharge valve is constituted by the sleeve (40, 140). For this reason, a highly durable vibratory compressor free of collision noise can be obtained.
- the two sleeves (40, 140) play the role of the suction valve and the discharge valve. Therefore, by adjusting the positional relationship between the ports of the respective sleeves (40, 140), the respective sleeves (40, 140) can be moved smoothly, and the effect of preventing noise and valve cracks is more remarkable. Be demonstrated.
- one sleeve (40) plays a role of a suction valve and a discharge valve. Therefore, since one sleeve (40) has two functions, the number of parts can be reduced.
- the sleeve (40, 140) is driven by the sleeve driving means (41).
- the sleeve (40, 140) is reciprocated by the linear motor. According to these inventions, a suitable vibrating compressor can be obtained.
- the linear motor stators (34, 37) of the sleeve driving means (41) and the piston driving means (32) are shared. For this reason, the number of components can be reduced and space can be saved.
- the linear motor is controlled by the control unit to control the sleeve (40, 140).
- the position and phase are controlled. For this reason, optimal valve behavior can be realized, and an efficient vibration compressor can be obtained.
- the sleeve (40, 140) is connected to the housing by the panel member (16).
- FIG. 1 is a side sectional view showing a vibrating compressor according to Embodiment 1 of the present invention.
- FIG. 2 is a timing chart showing movement of a sleeve and displacement of a piston.
- FIG. 3 is an enlarged sectional view of a main part showing movement of a sleeve and displacement of a piston, wherein (A) shows a compression step, (B) shows a discharge step, and (C) shows a suction step.
- FIG. 4 is a side sectional view showing a vibrating compressor according to Embodiment 2 of the present invention.
- FIG. 5 is a diagram corresponding to FIG. 2 according to Embodiment 2 of the present invention.
- FIG. 6 is a diagram corresponding to FIG. 3 according to Embodiment 2 of the present invention.
- FIG. 7 is a side sectional view showing a vibrating compressor according to another embodiment.
- FIG. 1 shows a vibration-type compressor (1) according to Embodiment 1 of the present invention.
- 1) is used, for example, as a compressor that involves suction and discharge of a refrigerant in an air conditioner or the like.
- the vibrating compressor (1) has a substantially cylindrical housing (3).
- the housing (3) is formed in a hollow hermetic shape, and is connected to a discharge pipe (3a) for discharging high-pressure refrigerant and two suction pipes (3b) for sucking low-pressure refrigerant.
- a hollow sealed cylinder (10) is fixed to the center of the housing (3).
- the cylinder (10) includes a pair of pistons (20, 21) for compressing a fluid by reciprocating operation in the cylinder (10).
- a cylindrical sleeve (40) which can reciprocate in the cylinder (10). That is, in the cylinder (10), the first and second pistons (20, 21) are provided so as to face each other while being surrounded by the sleeve (40), and a compression chamber (11) is formed therebetween. Being done.
- the housing (3) is provided with a pair of first and second internal spaces (30, 31) on both sides of the cylinder (10).
- the suction pipes (3b) are connected to both ends of the housing (3), respectively.
- the cylinder (10) is provided with an in-cylinder refrigerant passage (12) so as to communicate the first and second internal spaces (30, 31).
- piston-side linear motors (32) as piston driving means for individually driving the pistons (20, 21).
- a sleeve side motor (41) as a sleeve driving means for driving the sleeve is provided.
- a current controlled by a control unit (not shown) is sent to each of the two piston-side linear motors (32) and the sleeve-side linear motors (41). It is preferable that the two piston-side linear motors (32) are connected in series, but they need not always be in series.
- Each of the pistons (20, 21) is provided at the tip of a rod-shaped piston shaft (22), and a large-diameter disc-shaped piston-side flange (23) is provided at the center of the piston shaft (22). Is provided.
- a cylindrical piston-side bobbin (24) extending from the piston-side flange (23) to the opposite side of the piston (20, 21) is provided.
- a piston-side mover (33) of the piston-side linear motor (32) provided with a coil is provided at the tip of the piston-side bobbin (24).
- the sleeve (40) extends toward the side opposite to the first piston (20), and has a large-diameter disk-shaped sleeve-side flange (42) at its end. I have.
- This sleeve side A cylindrical sleeve-side bobbin (43) extending from the flange (42) to the opposite side of the first piston (20) is provided.
- the sleeve-side mover (44) of the sleeve-side linear motor (41) provided with a coil is provided at the tip of the sleeve-side bobbin (43).
- a cylindrical yoke (34) is fixed to each of the first and second internal spaces (30, 31). These yokes (34) are provided with concave grooves (36) having the piston (20, 21) side open so as to surround the central hole (35) at the center. A magnet (37) is fitted into the center-side inner surface of the concave groove (36).
- the yoke (34) and the magnet (37) on the first internal space (30) side constitute a common stator of the piston-side linear motor (32) and the sleeve-side linear motor (41).
- the yoke (34) and the magnet (37) on the second internal space (31) side constitute a stator of the piston-side linear motor (32) alone.
- Each of the concave grooves (36) has a fluid flow passage (38) opened at the bottom opposite to the piston (20, 21).
- the housing (3) is provided with a piston flexure spring (15) as a panel member for supporting the first and second pistons (20, 21) reciprocally, respectively.
- the flexure spring for the piston (15) includes a proximal spring (15a) fixed to both ends of the housing (3) in the first and second internal spaces (30, 31), and a yoke (34).
- a piston-side flange (23) and comprises a piston-side spring (15b) fixed to a yoke (34).
- the piston shaft (22) is inserted through the center hole (35) of the yoke (34).
- the base end of the piston shaft (22) is supported by the base-side spring (15a), the center is supported by the piston-side spring (15b), and the piston shaft (22) is displaceable in the axial direction. ⁇ sexually supported.
- a sleeve flexure spring (16) for elastically supporting the sleeve (40) so as to be displaceable in its axial direction.
- the flexure spring for the sleeve (16) is fixed to the inner peripheral surface of the housing (3) between the cylinder (10) and the sleeve-side flange (42). Support the end opposite to the piston (20).
- a discharge-side passage (13) for connecting the compression chamber (11) and the discharge pipe (3a) is formed, while the discharge-side passage (13) is formed.
- a suction-side passage (14) connecting the above-described cylinder-side refrigerant passage (12) and the compression chamber (11) is formed.
- the sleeve (40) has a discharge port (40a) and a suction port (40b) corresponding to the discharge side passage (13) and the suction side passage (14) of the cylinder (10), respectively. Are opened.
- the sleeve (40) is reciprocated by the sleeve side linear motor (41) into and out of the cylinder (10), and the discharge port (40a) is communicated with the discharge side passage (13) of the cylinder (10). Then, the refrigerant in the compression chamber (11) is discharged by the force of the discharge-side passage (13).
- the suction port (40b) is communicated with the suction side passage (14) of the cylinder (10)
- the suction side passage (14) and the cylinder refrigerant passage (12) are forced into the compression chamber (11). Is inhaled.
- the first and second pistons (20, 21) approach each other in a state where the compression chamber (11) and the discharge-side passage (13) and the suction-side passage (14) are shut off by the sleeve (40).
- the refrigerant is compressed to a predetermined pressure in the chamber (11). That is, the sleeve (40) plays the role of a suction valve and a discharge valve.
- control unit individually supplies current to the piston-side mover (33) of each piston-side linear motor (32) and the sleeve-side mover (44) of the sleeve-side linear motor (41), respectively. .
- the sleeve-side mover (44) reciprocates with respect to the magnet (37), thereby deforming the sleeve spring (16) and moving the sleeve (40) inside the cylinder (10). Reciprocate.
- FIG. 2 the solid line indicates the pressure in the cylinder (10)
- the dashed line indicates the displacement of the piston (20, 21)
- the dashed line indicates the displacement of the sleeve (40).
- A), (B) and (C) in FIG. 2 correspond to (A), (B) and (C) in FIG. 3, respectively.
- the sleeve (40) In the compression step, as shown in FIGS. 2 (A) and 3 (A), the sleeve (40) The discharge port (40a) is closed and the suction port (40b) moves from the open state to the closed state.
- the refrigerant in the compression chamber (11) is compressed to a predetermined pressure in the compression chamber (11) by moving in a direction in which the first and second pistons (20, 21) approach each other.
- the sleeve (40) has the suction port (40b) closed and the discharge port (40a) closed. It will be open.
- the first and second pistons (20, 21) are closest to each other. Then, the compressed high-pressure refrigerant is discharged to the outside of the housing (3) through the discharge-side passage (13) and the discharge pipe (3a) of the cylinder (10).
- the sleeve (40) has the discharge port (40a) closed and the suction port (40b) opened. It is in the state of.
- the first and second pistons (20, 21) are driven in directions away from each other.
- the pressure in the compression chamber (11) drops to a minimum.
- the refrigerant in the first and second internal spaces (30, 31) passes through the in-cylinder refrigerant passage (12), the suction-side passage (14), and the suction port (40b) of the cylinder (10), and the compression chamber ( Inhaled into 11).
- the vibration type compressor (1) according to Embodiment 1 of the present invention at least one of the suction valve and the discharge valve is constituted by the sleeve (40). Therefore, it is possible to obtain a vibration-type compressor that does not generate collision noise !, has high durability!
- the suction valve and the discharge valve are constituted by one sleeve (40). Therefore, since one sleeve (40) has two functions, the number of parts is reduced.
- the position and phase of the sleeve (40) are controlled by controlling the sleeve-side linear motor (41) by the control unit. For this reason, optimal valve behavior can be realized, and an efficient vibratory compressor can be obtained.
- the sleeve-side linear motor (41) and the piston-side linear motor are shared. For this reason, the number of parts can be reduced and space can be saved.
- the sleeve (40, 140) is supported on the housing (3) by a sleeve flexure spring (16). Therefore, the sleeve (40, 140) is driven smoothly without contacting other members, and no noise is generated.
- FIG. 4 shows a second embodiment of the present invention, which differs from the first embodiment mainly in that the configuration of the sleeve (40) is different.
- the same parts as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.
- the vibration type compressor (1) of the present embodiment has first and second sleeves (40, 140).
- the first sleeve (40) is the same as the sleeve (40) of the first embodiment.
- the second sleeve (140) is provided on the outer peripheral side of the first sleeve (40) so as to cover the first sleeve (40), and the second discharge port (140a) is located at a position different from the first sleeve (40). ) And a second suction port (140b).
- a sleeve-side linear motor (41) is arranged also in the second internal space (31), and the second sleeve (140) is a flexure spring for the sleeve. It is supported by the housing (3) by (16).
- the first and second sleeves (40, 140) are reciprocated in the cylinder (10) by the respective sleeve-side linear motors (41), and both discharge ports (40a, 140a) are connected to one another.
- the refrigerant is brought into communication with the discharge-side passage (13) of the cylinder (10)
- the refrigerant in the compression chamber (11) is discharged from the discharge-side passage (13), and both of the suction ports (40b,
- 140b) is matched to communicate with the suction side passage (14) of the cylinder (10), the suction side passage (14) and the in-cylinder refrigerant passage (12) force refrigerant is sucked into the compression chamber (11). It is supposed to be.
- the first and second pistons (20, 21) come close to each other so that the refrigerant is compressed to a predetermined pressure in the compression chamber (11). That is, these two sleeves (40, 140) serve as a suction valve and a discharge valve.
- control unit individually supplies current to the piston-side mover (33) of each piston-side linear motor (32) and the sleeve-side mover (44) of the sleeve-side linear motor (41), respectively. .
- FIG. 5 the solid line indicates the pressure in the cylinder (10)
- the dashed line indicates the displacement of the piston (20, 21)
- the dashed line indicates the displacement of the first sleeve (40)
- the two-dotted line indicates the displacement of the second sleeve (40).
- the displacement of the sleeve (140) is shown.
- (A), (B) and (C) in FIG. 5 correspond to (A), (B) and (C) in FIG. 6, respectively.
- each suction port (40b, 14 Ob) moves from the open state to the closed state.
- the refrigerant in the compression chamber (11) is compressed to a predetermined pressure in the compression chamber (11) by moving the first and second pistons (20, 21) in directions approaching each other.
- the first and second sleeves (40, 140) have their respective suction ports (40b, 140b) closed. And the respective discharge ports (40a, 140a) are in an open state.
- the first and second pistons (20, 21) are closest to each other.
- the compressed high-pressure refrigerant is discharged to the outside of the housing (3) through the discharge-side passage (13) and the discharge pipe (3a) of the cylinder (10).
- the first and second sleeves ( 40, 140), each discharge port (40a, 140a) is closed and each suction port (40b) is open.
- the first and second pistons (20, 21) are driven in a direction away from each other.
- the pressure in the compression chamber (11) drops to a minimum.
- the refrigerant in the first and second internal spaces (30, 31) passes through the in-cylinder refrigerant passage (12), the suction side passage (14), and the suction ports (40b, 140b) of the cylinder (10), and the compression chamber. Inhaled into (11).
- new refrigerant is sucked into the first and second internal spaces (30, 31).
- This refrigerant flows into the cylinder (10) through the refrigerant flow passage (38) formed in the yoke (34) of the piston-side linear motor (32).
- the suction valve and the discharge valve are constituted by the two sleeves (40, 140).
- the sleeves (40, 140) can be moved more smoothly than in the first embodiment, and the effect of preventing noise and valve cracks is more remarkably exhibited. You.
- the yoke (34) and the magnet (37) of the sleeve side linear motor (41) and the biston side linear motor (32) are shared in the first and second internal spaces (30, 31). I have. For this reason, the number of parts can be reduced and space can be saved.
- the present invention may be configured as follows in each of the above embodiments.
- both the suction valve and the discharge valve are constituted by the sleeve (40). Only one of the forces may be constituted by the sleeve (40).
- the present invention can be applied to a so-called one-cylinder vibrating compressor having only one piston. Also in this case, the same driving operation as in the first embodiment is performed, and the same effect is exerted.
- the present invention is useful for a vibration-type compressor that is used in an air conditioner or the like and involves suction and discharge of a refrigerant.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004181676A JP3904002B2 (ja) | 2004-06-18 | 2004-06-18 | 振動式圧縮機 |
| JP2004-181676 | 2004-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005124151A1 true WO2005124151A1 (ja) | 2005-12-29 |
Family
ID=35509747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/010951 Ceased WO2005124151A1 (ja) | 2004-06-18 | 2005-06-15 | 振動式圧縮機 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3904002B2 (ja) |
| WO (1) | WO2005124151A1 (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51107545U (ja) * | 1975-02-27 | 1976-08-27 | ||
| JPH09119375A (ja) * | 1995-08-07 | 1997-05-06 | Ingersoll Rand Co | 圧縮機における入口流れを電子的に制御し逆流を防止する装置と方法 |
| JPH1030564A (ja) * | 1996-04-12 | 1998-02-03 | Hoerbiger Ventilwerke Ag | 吸込弁の閉鎖部材の開放運動に干渉するための方法と装置 |
| JP2003120519A (ja) * | 2001-10-12 | 2003-04-23 | Lg Electronics Inc | 対向型往復動式圧縮機 |
| JP6105074B2 (ja) * | 2012-11-08 | 2017-03-29 | リクアビスタ ビー ヴィ | エレクトロウェッティング表示デバイス |
-
2004
- 2004-06-18 JP JP2004181676A patent/JP3904002B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-15 WO PCT/JP2005/010951 patent/WO2005124151A1/ja not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51107545U (ja) * | 1975-02-27 | 1976-08-27 | ||
| JPH09119375A (ja) * | 1995-08-07 | 1997-05-06 | Ingersoll Rand Co | 圧縮機における入口流れを電子的に制御し逆流を防止する装置と方法 |
| JPH1030564A (ja) * | 1996-04-12 | 1998-02-03 | Hoerbiger Ventilwerke Ag | 吸込弁の閉鎖部材の開放運動に干渉するための方法と装置 |
| JP2003120519A (ja) * | 2001-10-12 | 2003-04-23 | Lg Electronics Inc | 対向型往復動式圧縮機 |
| JP6105074B2 (ja) * | 2012-11-08 | 2017-03-29 | リクアビスタ ビー ヴィ | エレクトロウェッティング表示デバイス |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3904002B2 (ja) | 2007-04-11 |
| JP2006002708A (ja) | 2006-01-05 |
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