CN110319011A - Motor compressor - Google Patents
Motor compressor Download PDFInfo
- Publication number
- CN110319011A CN110319011A CN201910241723.3A CN201910241723A CN110319011A CN 110319011 A CN110319011 A CN 110319011A CN 201910241723 A CN201910241723 A CN 201910241723A CN 110319011 A CN110319011 A CN 110319011A
- Authority
- CN
- China
- Prior art keywords
- rib
- top plate
- plate portion
- shell
- switch element
- 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
Classifications
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- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/301—Retaining bolts or nuts
Abstract
The present invention provides a kind of motor compressor of thermal diffusivity that enlargement can either be inhibited to improve switch element again.The outer surface of the shell (11) of motor compressor (10) is provided with the 1st installation leg (23) and the 2nd installation leg (24), the outer surface (14e) of the top plate portion (14b) of cover (14) is provided with the 3rd installation leg (25).2nd rib (42) of the motor compressor (10) with the outer surface (14e) for extending to top plate portion (14b) from the outer surface of the 3rd installation leg (25).Switch element configures in the element configuration region (D) for being set in substrate.When overlooking top plate portion (14b), a part configuration of the 2nd rib (42) is in the position being overlapped with element configuration region (D).
Description
Technical field
The present invention relates to the motor compressors for having switch element.
Background technique
Such as disclosed in Patent Document 1, motor compressor has the compression unit of compression and discharging refrigerant, drives
Move the electric motor of compression unit and the motor drive circuit for driving electric motor.It is empty that motor drive circuit is placed in retracting
Between, by the cover for being installed on the outer surface of shell and the outer surface of shell, zoning (division) forms the placing room together.In addition, horse
There is the multiple switch element for being installed on substrate up to driving circuit.Also, it, will be from electricity by the switch motion of each switch element
The DC voltage conversion in pond (DC power supply) is alternating voltage, is applied to electric motor for alternating voltage as driving voltage, from
And control the driving of electric motor.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2016-153606 bulletin
Summary of the invention
Problems to be solved by the invention
In addition, switch element is generated heat due to switch motion.If also, being generated due to the switch motion of switch element
The heat resisting temperature that quantitative change of generating heat is more, switch element temperature is more than switch element, then it is damaged to be possible to meeting for switch element.In order to press down
The temperature of switch element processed rises, such as it is contemplated that the cover enlargement for making zoning placing room, the surface area for expanding cover etc., but
It will lead to motor compressor enlargement, therefore not preferably.
The purpose of the present invention is to provide a kind of electronic pressures of thermal diffusivity for being able to suppress enlargement and improving switch element
Contracting machine.
A technical solution to solve project
Purport for solving the motor compressor of described problem is have: rotary shaft;Electric motor makes the rotation
Shaft rotation;Compression unit is rotated by the rotary shaft and is driven to compress refrigerant;Shell retracts the rotary shaft, described
Electric motor and the compression unit;Substrate, for installing switch element, DC voltage conversion is alternating voltage by the switch element
And apply to the electric motor;Cover, is installed on the outer surface of the shell and is formed together with the shell to the substrate
The placing room retractd, and have relative to the substrate interval and top plate portion opposed in parallel;Leg is installed,
It is set to the outer surface of the shell and the outer surface of the top plate portion, and there is the bolt insertion hole inserted for bolt;And
Rib, along penetrating through the 2nd direction that intersects of the 1st direction of the installation leg with the bolt insertion hole from the leg of installing
Outer surface extends to the outer surface of the top plate portion, and the switch element configuration is in the element configuration area for being set in the substrate
Domain, when overlooking the top plate portion, the rib configuration is in the position of at least part and the element configuration area coincidence.
It is transmitted as a result, from the heat that the switch motion of switch element generates to the top plate portion of cover.Due to being set to top plate portion
Rib and the element configuration area coincidence for being configured with switch element, therefore the heat for being transmitted to top plate portion can be efficiently transmitted to
Rib can be released from rib to outside placing room.Also, rib is arranged to reinforce installation leg.Therefore, it is not necessary in order to press down
The temperature of switch element processed rises the cover enlargement for for example making zoning placing room, can both inhibit the enlargement of motor compressor
The thermal diffusivity of switch element is improved again.
In addition, being also possible to about motor compressor: the rib is arranged side by side at spaced intervals along the 1st direction
Have multiple, the region clipped by the adjacent rib on the 1st direction is formed in the top plate portion, overlooks the top plate
When portion, the rib and the region clipped by the rib are opposed with the element configuration region.
As a result, by switch element switch motion generate heat be transmitted to the position being overlapped with rib in the top plate portion of cover with
And the region clipped by rib.Further, it is possible to which the heat for being transmitted to top plate portion is efficiently transmitted to multiple ribs from top plate portion, can incite somebody to action
The heat for being transmitted to top plate portion is efficiently released to outside placing room.
In addition, being also possible to about motor compressor: the top plate portion is recessed with being recessed towards the bolt insertion hole
Portion.
Installation leg is transmitted on the inside of recess portion by the heat that the switch motion of switch element generates as a result,.Due to pacifying
Dress leg is linked with rib, therefore the heat for being transmitted to installation leg can be efficiently transmitted to rib and released from rib.
Invention effect
In accordance with the invention it is possible to not only inhibit enlargement but also improved the thermal diffusivity of switch element.
Detailed description of the invention
Fig. 1 is the sectional view of the motor compressor of embodiment.
Fig. 2 is the substrate for showing the motor drive circuit for being placed in placing room and the main view in element configuration region.
Fig. 3 is the installation condition of the motor compressor of embodiment, and is figure when overlooking top plate portion.
Fig. 4 is the 3rd installation leg for showing the motor compressor of embodiment and the partial perspective view of rib.
Fig. 5 is the main view that cover is shown from inner surface side.
Description of symbols
D ... element configuration region, S ... placing room, B1, B2, B3 ... bolt, the 1st direction Y1 ..., the 2nd direction Y2 ...,
10 ... motor compressors, 11 ... shells, 14 ... covers, 14b ... top plate portion, 14d ... inner surface, the outer surface 14e ..., 16 ... rotations
Axis, 17 ... compression units, 18 ... electric motors, 25 ... the 3rd installation legs, the 3rd bolt insertion hole of 25a ..., 26 ... recess portions, 31 ... bases
Plate, 35 ... switch elements, 42 ... the 2nd ribs.
Specific embodiment
Hereinafter, being illustrated according to FIG. 1 to FIG. 5 to the embodiment for embodying motor compressor.
As shown in Figure 1, the shell 11 of motor compressor 10 is in what (left end of Fig. 1) at one end was formed with opening 12a
The motor shell 12 of bottomed tube and the discharge shell 13 in bottomed tube linked with one end of motor shell 12.In motor
The side bottom wall 12b of shell 12 is equipped with the cover 14 in bottomed tube for being formed with opening 14a at one end (left end of Fig. 1).Motor
Shell 12, discharge shell 13 and cover 14 are made of the die casting of aluminium alloy respectively.
Zoning has discharge room S1 between motor shell 12 and discharge shell 13.Motor shell 12 and discharge shell 13 are by 4
Root bolt B 1 (2 bolt Bs 1 are only illustrated in Fig. 1) fastens together, and motor shell 12 and cover 14 (are being schemed by 6 bolt Bs 2
3 bolt Bs 2 are only illustrated in 1) it fastens together.It is clamped with washer G1 between motor shell 12 and discharge shell 13, and in horse
Washer G2 is clamped with up between shell 12 and cover 14.
It is formed with outlet 15 in the bottom wall of discharge shell 13, external refrigerant (not shown) is connected in outlet 15 and returns
Road.It is formed with suction inlet (not shown) in the peripheral wall 12c of motor shell 12, is connected with external refrigerant circuit in suction inlet.
With rotary shaft 16 in motor shell 12.Moreover, being pressed in motor shell 12 with to refrigerant
The compression unit 17 of contracting and the electric motor 18 that compression unit 17 is driven.Electric motor 18 drives rotary shaft 16.Compression unit 17
It is rotated and is driven by rotary shaft 16.Electric motor 18 is configured in the bottom wall than compression unit 17 close to motor shell 12
The position of 12b (right side of Fig. 1).
In motor shell 12, it is provided between compression unit 17 and electric motor 18 and is pivotally supported component 19.It is being pivotally supported
The central portion of component 19 is formed with the insertion hole 19a of the one end insert for rotary shaft 16.In insertion hole 19a and rotary shaft 16
Transverse bearing 16a is provided between one end.The one end of rotary shaft 16 quilt in a manner of it can rotate via transverse bearing 16a
It is supported on and is pivotally supported component 19.
Bearing portion 12d is recessed in the bottom wall 12b of motor shell 12.In the inside of bearing portion 12d inserted with rotary shaft 16
The other end.Transverse bearing 16b is provided between bearing portion 12d and the other end of rotary shaft 16.Rotary shaft 16 it is another
One end is supported in bearing portion 12d via transverse bearing 16b in a manner of it can rotate.
Compression unit 17 has the fixed scroll 17a being fixed in motor shell 12 and opposed with fixed scroll 17a matches
The movable scroll 17b set.Zoning, which is formed with, between fixed scroll 17a and movable scroll 17b can change volume
Discharge chambe S3.The refrigerant being compressed by by the volumetric change of discharge chambe S3 is discharged to discharge room S1.Electric motor 18 by
The rotor 21 (revolving part) that is rotated integrally with rotary shaft 16 and the inner circumferential that motor shell 12 is fixed in a manner of surrounding rotor 21
The stator 22 (fixing piece) in face is constituted.
As shown in Fig. 1 or Fig. 3, in the shell 11 of motor compressor 10, in order to which motor compressor 10 is installed on engine E
(attached body) and be provided with the 1st~the 3rd installation leg 23~25.In the outer surface of upper one of the peripheral wall 12c of motor shell 12
Body is formed with the 1st installation leg 23 of the tubular extended radially elongatedly along rotary shaft 16, and installs leg 23 the 1st
Inside it is formed with the 1st bolt insertion hole 23a radially extended along rotary shaft 16.In addition, in the peripheral wall 12c of motor shell 12
Lower external face be formed with along rotary shaft 16 the tubular extended radially elongatedly the 2nd installation leg 24, and
The 2nd bolt insertion hole 24a radially extended along rotary shaft 16 is formed in 2nd installation leg 24.
In addition, be formed with the 3rd installation leg of the tubular extended along rotary shaft 16 in cover 14 radially elongatedly
25.3rd installation leg 25 in the one end of length direction has the 1st cylindrical portion 251, has the in the another side of length direction
2 cylindrical portions 252.3rd installation leg 25 has between the 1st cylindrical portion 251 and the 2nd cylindrical portion 252 alongst to be subtracted
Thin portion 253.The 3rd bolt insertion hole of the 1st cylindrical portion 251 of perforation and the 2nd cylindrical portion 252 is formed in the 3rd installation leg 25
25a。
Also, motor compressor 10 is made by fastening connection from the 1st installation leg 23 to the 1st lug boss E1 of engine E
To fasten the bolt B 3 of coupling member, fastening connection as fastening from the 2nd installation leg 24 to the 2nd lug boss E2 of engine E
The bolt B 3 of coupling member fastens connection as tight fixing mechanism from the 3rd installation leg 25 to the 3rd lug boss E3 of engine E
The bolt B 3 of part, to be installed on the side of engine E.
As shown in Figure 1, being provided in the side bottom wall 12b of motor shell 12 prominent towards cover 14 in motor compressor 10
Tubular annular wall 12e.It is provided in the bottom wall 12b of motor shell 12 multiple towards 14 substrate supporting portions outstanding of cover
12f is supported with motor drive circuit 30 in substrate supporting portion 12f.
Cover 14 has substantially discoid top plate portion 14b and from top plate portion 14b towards the tubular outstanding of motor shell 12
Peripheral wall portion 14c.Washer G2 is clamped between peripheral wall portion 14c and the annular wall 12e of motor shell 12.Also, by motor shell
Bottom wall 12b, annular wall 12e, the peripheral wall portion 14c for covering 14 and the top plate portion 14b zoning of body 12 go out placing room S.
With for driving the motor drive circuit 30 of electric motor 18 in the placing room S.Motor driving electricity
Road 30 includes inverter, based on the instruction from air-conditioner ECU (not shown), from power supply (not shown) to the stator of electric motor 18
22 supply electric power.
As shown in Fig. 2, motor drive circuit 30 includes 31 He of flat substrate for being placed in the inside of annular wall 12e
It is installed on a variety of electrical components 34 of the substrate 31.Substrate 31 is matched in the state of being left using substrate supporting portion 12f from bottom wall 12b
It sets in the inside of annular wall 12e.Electrical components 34 be constitute inverter well known component, i.e., switch element, electrolytic capacitor,
Transformer, driver, fixed resistance etc..DC voltage conversion from power supply is by a switch element 35 in electrical components 34
Alternating voltage is simultaneously applied to electric motor 18.In addition, switch element 35 is mounted on the substantial middle of substrate 31.
As shown in the double dot dash line of Fig. 2, the element configuration region D for configuring switch element 35 is set in substrate 31.
Element configuration region D is the region that the trim line of not shown switch element substrate surrounds.Element configuration region D is set
In the substantial middle of substrate 31, for substantially quadrangle form.In addition, being preset in substrate 31 for configuring other electrical components
34 configuring area F is equipped with other electrical components 34 in each configuring area F.
As shown in Figure 1, the top plate portion 14b of cover 14 is flat with the inner surface 14d towards placing room S and with inner surface 14d
It goes and towards the outer surface 14e outside motor compressor 10.In cover 14, the inner surface 14d of top plate portion 14b relative to substrate 31 every
The standard width of a room in an old-style house every and it is opposed in parallel.Also, the inner surface 14d and substrate 31 of top plate portion 14b relative to the axis of rotary shaft 16 to hang down
Straight mode is arranged.
The direction for linking the inner surface 14d and outer surface 14e of top plate portion 14b is set as to the thickness direction of top plate portion 14b.?
In 3rd installation leg 25, the direction penetrated through the 3rd bolt insertion hole 25a is set as the 1st direction Y1, will be intersected with the 1st direction Y1
Direction be set as the 2nd direction Y2.In the present embodiment, the 2nd direction Y2 is orthogonal with the 1st direction Y1, with the 3rd bolt insertion hole
25a's is radially consistent.
As shown in Figure 3 or Figure 4, in the outer surface 14e of the top plate portion 14b of cover 14, to clip the 3rd peace on the 2nd direction Y2
The mode of dress leg 25 is provided with the 1st rib 41.Each 1st rib 41 is set in such a way that length (long side) extends along the 1st direction Y1
Outer surface 14e.Each 1st rib 41 is disposed along the 2nd direction Y2 and positions away from from the 3rd installation leg 25.In present embodiment
In, the position for installing leg 25 close to the 3rd than the 1st rib 41 of downside is arranged in the 1st rib 41 of the upside in a pair of 1st rib 41.
Each 1st rib 41 is parallel to each other with the 3rd installation leg 25.It, will be from the outer surface of top plate portion 14b in each 1st rib 41
The front end of 14e projected direction outstanding is set as jag 41a.It, will be from the outer surface of top plate portion 14b in the 3rd installation leg 25
The front end of 14e projected direction outstanding is set as jag 25b.From the outer surface 14e of top plate portion 14b to the jag of the 1st rib 41
The size H1 of 41a is smaller than the size H2 of the jag 25b from the outer surface 14e to the 3rd of top plate portion 14b installation leg 25.
It is provided in the outer surface 14e of the top plate portion 14b of cover 14 and multiple is set up in the 3rd installation leg 25 and 1 rib 41 of Ge
The 2nd rib 42.Each 2nd rib 42 extends to the outer surface 14e of top plate portion 14b from the outer surface of the 3rd installation leg 25.2nd rib 42
It is set up in the side of the 1st rib 41 and the 3rd installation leg 25 opposed on the 2nd direction Y2, links the 1st rib 41 and the 3rd installation leg
Portion 25.2nd rib 42 is the inclined shape of jag 25b for installing leg 25 towards the 3rd from the jag 41a of the 1st rib 41.It is multiple
2nd rib 42 is set as, interval between the 2nd rib 42 adjacent on the 1st direction Y1.
The 2nd rib 42 and install leg 25 from the 3rd that the 1st rib 41 from the 3rd installation leg 25 towards a side (upside) extends
The 2nd rib 42 extended towards the 1st rib 41 of another party (downside), the size on the 2nd direction direction Y2 are different.In this embodiment party
In formula, the 2nd rib 42 extended from the 3rd installation leg 25 towards the 1st rib 41 to the upper side is than installing leg 25 towards downside from the 3rd
The 2nd rib 42 that 1st rib 41 extends is short.
As shown in figure 5, the top plate portion 14b in cover 14 is provided with recess portion 26, the recess portion 26 is along thickness direction from inner surface
The 3rd bolt insertion hole 25a recess that 14d installs leg 25 towards the 3rd.Direction the 1st cylindrical portion 251 and the 2nd in recess portion 26
The part that shape portion 252 is recessed obtains depth than the portion concave being recessed towards thinning part 253.
As shown in figure 3, the region of following quadrangle form is set as rib configuring area R when overlooking top plate portion 14b, it should
A pair of 1st rib 41 is set as two ora terminalis of the 2nd direction Y2 by quadrangle form, and a pair of 1st rib 41 will be linked on the 2nd direction Y2
Length direction one end is each other and the mutual imaginary line L of the length direction other end is set as two ora terminalis of the 1st direction Y1.Rib configuring area
R further includes the intercostal region Ra between the 2nd rib 42 adjacent on the 1st direction Y1.Also, match in rib configuring area R
It is equipped with the 1st rib 41 and the 2nd rib 42.
When overlooking top plate portion 14b, a part of rib configuring area R and the element configuration region D weight of motor drive circuit 30
It closes.Therefore, it is configured at the 1st rib 41 of rib configuring area R and upper near the central portion of top plate portion 14b in the 2nd rib 42
One of multiple 2nd ribs 42 close to the 2nd cylindrical portion 252 in a part of 1st rib 41 of side and multiple 2nd ribs 42 of upside
Part is overlapped with element configuration region D, is overlapped with switch element 35.
Therefore, in the inner surface 14d of top plate portion 14b, the upside that is provided near the central portion of top plate portion 14b
The position of 1st rib 41 and the position for multiple 2nd ribs 42 close to the 2nd cylindrical portion 252 being provided in the 2nd rib 42 of upside,
It is a part of opposed with switch element 35.In addition, the direction in recess portion 26 is located at the 3rd bolt insertion hole of the 2nd cylindrical portion 252
The part of 25a recess, is also overlapped with switch element 35.Recess portion 26 installs leg 25 towards be configured at rib configuring area R the 3rd
3rd bolt insertion hole 25a recess, therefore recess portion 26 is configured at rib configuring area R.
According to above embodiment, following function and effect can be obtained.
(1) when overlooking top plate portion 14b, a part of the 2nd rib 42 is overlapped with the element configuration region D of substrate 31.Also, energy
The surface area for enough expanding cover 14 using the 2nd rib 42, will be empty from cover 14 to retracing from the heat that the switch motion of switch element 35 generates
Between efficiently release outside S.2nd rib 42 is arranged to reinforce the 3rd installation leg 25.Therefore, in order to inhibit switch member
14 enlargement of cover that the temperature of part 35 rises and zoning is for example made to go out placing room S improves heat dissipation to expand the surface area of cover 14
Property the case where it is different, can not only inhibit the thermal diffusivity of the enlargement of cover 14 or even motor compressor 10 raising switch element 35 again.
(2) when overlooking top plate portion 14b, a part of multiple 2nd ribs 42 and intercostal region Ra and the element configuration of substrate 31
Region D is overlapped.Therefore, can utilize multiple 2nd rib, 42 further expansion top plate portion 14b surface area, can will by switch member
The heat that the switch motion of part 35 generates efficiently is released from cover 14 to outside placing room S.
(3) the 2nd ribs 42 are linked to the outer surface of the 3rd installation leg 25, are provided in top plate portion 14b towards the 3rd installation leg
The recess portion 26 of the 3rd bolt insertion hole 25a recess in portion 25.Thus, it is possible to the heat that will be generated by the switch motion of switch element 35
It is transmitted to the 3rd installation leg 25 from the inside of recess portion 26, and is transmitted to the 2nd rib 42 from the 3rd installation leg 25.Therefore, can
The 2nd rib 42 and recess portion 26 having using cover 14 are by the warm generated from the switch motion of switch element 35 from cover 14 to placing room
It is efficiently released outside S.
(4) part that the 3rd bolt insertion hole 25a that the direction in recess portion 26 is located at the 2nd cylindrical portion 252 is recessed is compared direction and is subtracted
The portion concave that thin portion 253 is recessed obtains depth.Due to what is be recessed towards the 3rd bolt insertion hole 25a for being located at the 2nd cylindrical portion 252
Part is overlapped with element configuration region D, therefore can effectively be discharged heat caused by switch element 35 to recess portion 26.
(5) motor compressor 10 is by installing 1st~3rd lug boss of the leg 23~25 to engine E from the 1st~the 3rd
E1~E3 fastens binder bolt B3 and is installed on engine E.3rd installation leg 25 is set to the top plate portion 14b of cover 14, top plate portion
14b is plate.Therefore, the fastening of bolt B 3 for being inserted through the 3rd bolt insertion hole 25a of the 3rd installation leg 25 is being linked to the 3rd
When lug boss E3, top plate portion 14b is easy to bend because of axial force, but can inhibit top plate portion using the 1st rib 41 and the 2nd rib 42
The flexure of 14b is able to maintain that the state that placing room S is sealed using washer G2.
(6) motor compressor 10 is also equipped with and the 2nd rib other than having the 2nd rib 42 linked with the 3rd installation leg 25
1st rib 41 of 42 connections.Therefore, the surface area that can expand cover 14 using the 1st rib 41 and the 2nd rib 42, will be by switch element 35
Switch motion generate heat efficiently released from cover 14 to outside placing room S.
The size H1 of (7) the 1st ribs 41 is smaller than the size H2 of the 3rd installation leg 25.Also, the 2nd rib 42 is from the 1st rib 41
The shape that the jag 25b that jag 41a installs leg 25 towards the 3rd obliquely extends.Therefore, the 2nd rib 42 can be expanded
Surface area improves the thermal diffusivity of the 2nd rib 42.
In addition, above embodiment can also change as follows.
It, can also be to clip the 3rd installation leg on the 2nd direction Y2 as long as 0 the 2nd rib 42 is overlapped with element configuration region D
The mode in portion 25 is respectively arranged one.In addition, the 2nd rib 42 can also be only arranged at clips the 3rd installation leg 25 on the 2nd direction Y2
Position unilateral side.
Zero when overlooking top plate portion 14b, is also possible to be overlapped with the entirety of the 2nd whole ribs 42 with element configuration region D
The 2nd rib 42 is arranged in mode.
The quantity of 0 the 2nd rib 42 can also change as appropriate.
The zero mutual interval of the 2nd rib 42 adjacent on the 1st direction Y1 can also change as appropriate.
Zero installs 25 direction of leg from the 3rd installation the 2nd rib 42 that extends towards the 1st rib 41 to the upper side of leg 25 and from the 3rd
The 2nd rib 42 that 1st rib 41 of downside extends, can also make the size on the 2nd direction Y2 identical.
0 the 2nd rib 42 can also be changed as appropriate relative to the 1st direction Y1 of the 3rd installation leg 25 angle intersected.
Zero can also be without the 1st rib 41.
Zero recess portion 26 that can also be recessed from the inner surface 14d of top plate portion 14b.
The depth of zero recess portion 26 can also be all identical at any position.
Zero can also be without the thinning part 253 of the 3rd installation leg 25.
Zero cover 14 is also possible to not have peripheral wall portion 14c and the composition that only has top plate portion 14b.
Zero compression unit 17 is not limited to the type being made of fixed scroll 17a and movable scroll 17b, such as can also become
More piston type, vane type etc..
Zero can also be additionally provided with installation leg in shell 11.
Zero motor compressor 10 can also insert the 1st~the 3rd bolt for being inserted through the 1st~the 3rd installation leg 23~25
The bolt B 3 of hole 23a~25a, which fastens to be linked to other than engine E, constitutes the component of engine room for example to install.
Claims (3)
1. a kind of motor compressor comprising:
Rotary shaft;
Electric motor rotates the rotary shaft;
Compression unit is rotated by the rotary shaft and is driven to compress refrigerant;
Shell retracts the rotary shaft, the electric motor and the compression unit;
Substrate, for installing switch element, DC voltage conversion is alternating voltage and to the electric motor by the switch element
Apply;
Cover is installed on the outer surface of the shell and is formed together the retracting sky retractd to the substrate with the shell
Between, and have relative to the substrate interval and top plate portion opposed in parallel;
Leg is installed, is set to the outer surface of the shell and the outer surface of the top plate portion, and there is the spiral shell inserted for bolt
Bolt insertion hole;And
Rib, along penetrating through the 2nd direction that intersects of the 1st direction of the installation leg with the bolt insertion hole from the installation leg
The outer surface in portion extends to the outer surface of the top plate portion,
The switch element configures in the element configuration region for being set in the substrate,
When overlooking the top plate portion, the rib configuration is in the position of at least part and the element configuration area coincidence.
2. motor compressor according to claim 1, which is characterized in that
The rib is arranged side by side at spaced intervals along the 1st direction to be had multiple, is formed in the top plate portion by described
The region that the adjacent rib clips on 1st direction, when overlooking the top plate portion, the rib and the region clipped by the rib with
The element configuration region is opposed.
3. motor compressor according to claim 1 or 2, which is characterized in that
The top plate portion has the recess portion being recessed towards the bolt insertion hole.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018070072A JP6955220B2 (en) | 2018-03-30 | 2018-03-30 | Electric compressor |
JP2018-070072 | 2018-03-30 |
Publications (2)
Publication Number | Publication Date |
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CN110319011A true CN110319011A (en) | 2019-10-11 |
CN110319011B CN110319011B (en) | 2020-12-18 |
Family
ID=67909825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910241723.3A Active CN110319011B (en) | 2018-03-30 | 2019-03-28 | Electric compressor |
Country Status (4)
Country | Link |
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JP (1) | JP6955220B2 (en) |
KR (1) | KR102191953B1 (en) |
CN (1) | CN110319011B (en) |
DE (1) | DE102019203806A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113530825A (en) * | 2020-04-15 | 2021-10-22 | 株式会社丰田自动织机 | Electric compressor |
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JP2016118108A (en) * | 2014-12-18 | 2016-06-30 | パナソニックIpマネジメント株式会社 | Motor compressor |
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JP2016153606A (en) | 2015-02-20 | 2016-08-25 | 株式会社豊田自動織機 | Electric compressor |
-
2018
- 2018-03-30 JP JP2018070072A patent/JP6955220B2/en active Active
-
2019
- 2019-03-20 DE DE102019203806.9A patent/DE102019203806A1/en active Pending
- 2019-03-28 CN CN201910241723.3A patent/CN110319011B/en active Active
- 2019-03-28 KR KR1020190035707A patent/KR102191953B1/en active IP Right Grant
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JP2003139069A (en) * | 2001-11-02 | 2003-05-14 | Sanden Corp | Motor-driven compressor |
JP4112841B2 (en) * | 2001-11-02 | 2008-07-02 | サンデン株式会社 | Electric compressor |
JP4830848B2 (en) * | 2006-12-26 | 2011-12-07 | パナソニック株式会社 | Electric compressor |
CN101463814A (en) * | 2007-12-18 | 2009-06-24 | 株式会社丰田自动织机 | Motor-driven compressor |
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CN113530825A (en) * | 2020-04-15 | 2021-10-22 | 株式会社丰田自动织机 | Electric compressor |
Also Published As
Publication number | Publication date |
---|---|
KR20190114851A (en) | 2019-10-10 |
JP2019178673A (en) | 2019-10-17 |
KR102191953B1 (en) | 2020-12-16 |
JP6955220B2 (en) | 2021-10-27 |
DE102019203806A1 (en) | 2019-10-02 |
CN110319011B (en) | 2020-12-18 |
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