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CN1206451A - pump assembly - Google Patents

pump assembly Download PDF

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Publication number
CN1206451A
CN1206451A CN97191490A CN97191490A CN1206451A CN 1206451 A CN1206451 A CN 1206451A CN 97191490 A CN97191490 A CN 97191490A CN 97191490 A CN97191490 A CN 97191490A CN 1206451 A CN1206451 A CN 1206451A
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CN
China
Prior art keywords
pump
frequency converter
bracket
motor
base
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
Application number
CN97191490A
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Chinese (zh)
Other versions
CN1094178C (en
Inventor
小林真
山本雅和
三宅良男
八木薰
上井圭太
宫崎义晶
饭岛克自
川畑润也
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Ebara Corp
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Ebara Corp
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Publication date
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Publication of CN1206451A publication Critical patent/CN1206451A/en
Application granted granted Critical
Publication of CN1094178C publication Critical patent/CN1094178C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • H02K5/1285—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A pump assembly for forcedly driving various liquids including water, comprising a motor pump provided with a space around the stator of a canned motor to conduct a liquid being pumped, a bracket mounted on an external surface of the motor pump, and a frequency converter assembly mounted on the bracket.

Description

Pump assembly
Technical field
The present invention relates to pump assembly, the pump assembly of frequency converter particularly is housed.
Background technique
Pump assembly of the prior art is installed in the frequency converter that with the transducer is representative on the electric motor pump, draws the heat that frequency converter produces by pump fluid.For example, in the flat 5-350994 of Japanese Patent Application number (spy opens flat 7-189996 number), disclosed, the structure of transducer has been installed in the outside of the cylindric urceolus of complete all flow pattern pumps.
Open in the pump assembly that discloses for flat 7-189996 number the spy, by transducer being installed in the urceolus outside of complete all flow pattern pumps, the cooling device that can not need transducer cooling usefulness, can realize the miniaturization of transducer, can improve simultaneously frequency by the electric power of transducer supply motor, realize the miniaturization of motor, and, can make the pump miniaturization by the rotation number that increases pump.
But above-mentioned spy opens in the pump assembly that discloses for flat 7-189996 number, has following problem.
1. as the spy open flat 7-189996 number shown in Figure 1, transducer is installed in urceolus when outside, the following box (among Fig. 2 shown in the label 48) of accommodating transducer must be made the special shape that the curvature with urceolus matches.Like this, when being installed in the transducer with identical electrical characteristic on the urceolus with different curvature, just very inconvenient.For example, the spy drives flat 7-189996 number pump shown in Figure 1, is 2 grades of type pumps with 2 impellers, but as required, as the single-stage pump bigger than impeller outer diameter, must shorten the axle direction size of pump.
At this moment, the impeller outer diameter of single-stage is about the spy and opens 1.4 times of flat 7-189996 impeller outer diameter.Therefore, for impeller is contained in the urceolus, must strengthen the diameter of urceolus.That is to say, the following box of some kinds of special shapes to be arranged in order to accommodate transducer.
2. in the spy opens flat 7-189996 number assemble pump shown in Figure 1, because box is weldingly fixed on the urceolus down, so the installation of the inner body of transducer (base and other) must be carried out after the motor stator assemblying body is finished.Therefore, the function validation test of transducer can not be carried out before motor is finished, and must re-assembly when test is defective, increased trouble.
3. in the spy opens flat 7-189996 number assemble pump shown in Figure 1, made pump undue hour, can not guarantee the installing space of transducer for the revolution that increases pump.In addition, motor and pump become small-sized when rotation number increases.In addition, the size of transducer and rotation number are irrelevant, by its electrical capacity and cool condition decision.
The present invention makes in view of the above problems, its purpose is to provide a kind of pump assembly, in this pump assembly, can be easily with the curvature changing of the urceolus of the outside that constitutes motor-drive pump accordingly, assembling frequency converter assemblying body can easily be installed in the frequency converter assemblying body on the motor-drive pump of miniaturization separately.
The summary of the invention summary
To achieve these goals, pump assembly of the present invention, it is characterized in that, have motor-drive pump, be installed in this motor-drive pump outside carriage, be installed in the frequency converter assemblying body on this carriage, on above-mentioned motor-drive pump, be provided with the space of working solution steerable motor stator peripheral part.
Among the present invention, between frequency converter assemblying body and pump urceolus, be provided with carriage.Carriage has the function of regulating installation dimension, and its shape is less than the base of frequency converter assemblying body.Because carriage is little shaped member, so, even how its kind does not hinder producibility yet.
Frequency converter assemblying body of the present invention is made of the frequency converter body that is installed in the carriage upper bed-plate, is installed in cover on the base, surrounded by base and cover.Therefore, can assemble the frequency converter assemblying body individually.Cover and base except when the independent maintenance of frequency converter body, do not need decomposition in principle.That is, frequency converter is installed on the pump or when pump unloaded, height intergrated circuit etc. was not exposed to the outside.Height intergrated circuit and electrical base class are afraid of dust and dust usually, are effectively so make this structure for preventing dust.
In one embodiment of the invention, on above-mentioned carriage, be provided with the hole that motor and frequency converter body is electrically connected usefulness.Like this, can carry out the assembling of frequency converter assemblying body and motor-drive pump without barrier.
In one embodiment of the invention, carriage, base and cover are made with hot good conductor respectively, especially make with aluminum alloy.Because this kind frequency converter is mainly by the pump fluid cooling, so the employing aluminum alloy is well suited for.In addition, owing to use metallic material, so can cover the noise of frequency converter.Especially carriage is a metal, so can cover the higher harmonics noise of 2 sides of frequency converter.
In one embodiment of the invention, on carriage, form the hole of passing through for cooling liquid.Usually, frequency converter is cooled off by working solution.But, for example when working solution is high temperature, can cause the cooling of frequency converter bad.In this case,, other cooling liquid is passed through from the outside, like this, can fully be cooled off frequency converter without barrier because the hole of cooling liquid by usefulness is set on carriage.
In one embodiment of the invention,, be provided with heat transmission and improve material in the gap of above-mentioned motor-drive pump and carriage or in the gap of carriage and base or in the gap of base and cover.When between parts, having the gap, because the air of heat transmitting difference is present in this gap, so cause cooling bad.Therefore, in the gap between parts, the heat transmission improvement material of aqueous silicon etc. is set.
In one embodiment of the invention,, be provided with the sealed member that keeps airtight usefulness between motor-drive pump and the carriage, between carriage and the base and between base and the cover.Like this, water vapor can not invaded in the box of accommodating frequency converter body 48, and this water vapor just can not cooled off and dewfall by pump fluid yet, can not damage frequency converter.
In addition, pump assembly of the present invention, have the motor framework frame that is located at the motor stator peripheral part, and this motor frame urceolus outer circumferential face between form the urceolus of annular space, the pump portion of above-mentioned annular space that working solution is led, be located at above-mentioned outside the fixed mechanism that is used for fixing other parts of cylinder axis direction end; It is characterized in that, the frequency converter assemblying body is fixed on the peripheral part of above-mentioned urceolus, the part of this frequency converter assemblying body is more axially extended than the fixed mechanism that is located at outer cylinder axis direction end.
Among the present invention,, be provided with the fixed mechanism that connects suction casing and discharge shell etc. in the end of the urceolus that constitutes the motor-drive pump outside.Therefore, existing frequency converter when pump is too small-sized, exists the problem of no installing space.And among the present invention,, the frequency converter assemblying body is arranged to so-called height desk-top (high bed formula) for fear of of the installation restriction of this fixed mechanism to frequency converter, avoid disturbing with said fixing mechanism.
The simple declaration of accompanying drawing:
Fig. 1 is a pump assembly embodiment's of the present invention sectional view.
Fig. 2 is II-II line sectional view of Fig. 1.
Fig. 3 is the planimetric map of the carriage in the pump assembly body of the present invention.
The optimal morphology that carries out an invention
Below, explanation pump assembly one embodiment of the present invention sees figures.1.and.2.
Complete all flow pattern motor-drive pumps shown in the present embodiment have pump case 1, are housed in shielding motor 6 in this pump case 1, are fixed on the impeller 8 of main shaft 7 ends of this shielding motor 6.Pump case 1 is connected to the suction casing 3 at these pump case urceolus 2 two ends and discharges shell 4 by pump case urceolus 2, by flange (Off ラ Application ヅ) 61,62 and constitutes. Flange 61,62 constitutes parts such as suction casing 3 and discharge shell 4 is fixed on fixed mechanism on the urceolus 2.Pump case urceolus 2, suction casing 3 and discharge shell 4 and form by sheet metals such as stainless steels.
At the outer side surface of urceolus 2, carriage 45 is installed.Frequency converter assemblying body 50 is installed on the carriage 45.Frequency converter assemblying body 50 by be installed in base 46 on the carriage 45, be installed in cover 47 on the base 46, by base 46 with cover the 47 frequency converter bodies 48 that surround and constitute.
On carriage 45, be formed for and shield the hole 45a that motor 6 and frequency converter body 48 are electrically connected.Carriage 45, base 46 and cover 47, the hot good conductor that is made of aluminum alloy is made respectively.On carriage 45, form cooling liquid by hole 45b, this cooling liquid by hole 45b cooling but the cooling liquid of frequency converter body 48 pass through.
The motor framework side plate 15,16, interlocking that shielding motor 6 has stator 13, be located at the motor framework frame 14 of these stator 13 peripheral parts, be weldingly fixed on 14 liang of open ends of motor framework frame is in the interior perimembranous of stator 13 and be weldingly fixed on shell (キ ャ Application) 17 on the motor framework side plate 15,16.Rotor 18 shrink fit that rotatably are housed in the stator 13 are fixed on the main shaft 7.Between motor framework frame 14 and urceolus 2, form annulus (stream) 40.
In addition, keeping guiding part 11 on the motor framework side plate 16 of shielding motor 6, this guiding part 11 is interior square from radial direction foreign side guiding with fluid.On guiding part 11, fixing the inner casing 12 of accommodating impeller 8.In addition, at the peripheral part of guiding part 11, clamping sealed member 13.
Be provided with bush ring 51 in the inner of guiding part 11, this bush ring 51 slides with the front face (suction oral-lateral) of impeller 8.Inner casing 12 is the shape of main shaft 7 axle heads of topped shielding motor-drive pump 6 for slightly vaulted.Inner casing 12 has guide device 12a, and this guide device 12a is by the pilot valve or volue (the Port リ ュ-ト) constitute of the fluid of guiding impeller 8 discharges.In addition, inner casing 12 has exhaust port 12b at front end.
Wiring duct box 20 is fixed by welding on the motor framework frame 14, draw lead from the coil in the motor framework urceolus 14 to the outside by this wiring duct box 20, be connected with the frequency converter body 48 that covers in 47 with base 46 by the hole 45a of carriage 45, the lead taking-up hole 46a of base 46.In addition, in base 46 and cover 47.The lead of frequency converter body 48 is connected with cable 63.Form hole 2a on urceolus 2, above-mentioned wiring duct box 20 is inserted in the 2a of this hole.
Below, the bearing periphery of impeller 8 sides is described.
On the bearing bracket 21, be provided with radial bearing 22 and fixed side thrust-bearing 23.The end face of radial bearing 22 also has the function as fixed side thrust slide member.Holding the both sides of radial bearing 22 and fixed side thrust-bearing 23 under the arm, being provided with rotary side thrust slide member is rotary side thrust-bearing 24 and rotary side thrust-bearing 25.Rotary side thrust-bearing 24 is fixed on the thrust disc 26, and this thrust disc 26 is fixed on the main shaft 7 by key.Rotary side thrust-bearing 25 is fixed on the thrust disc 27, and this thrust disc 27 is fixed on the main shaft 7 by key.
The O shape ring 29 that above-mentioned bearing bracket 21 is done by elastic material inserts in the pit (イ Application ロ-) that is located on the motor framework side plate 16.The seal washer 30 that bearing bracket 21 is made by elastic material joins with motor framework side plate 16.In addition, 31 are the sleeves that form radial bearing 22 and slide part among the figure.
Below, the bearing periphery of impeller 8 opposition sides is described.
Bearing bracket 32 is provided with radial bearing 33.34 is the sleeves that form radial bearing 33 and slide part among the figure, and sleeve 34 joins with packing ring 35, and this packing ring 35 is fixing by screw that is located at main shaft 7 ends and double end nut 36.The O shape ring 37 that bearing bracket 32 is done by elastic material inserts in the pit (イ Application ロ-) that is located on the motor framework side plate 15.Bearing bracket 32 joins with motor framework side plate 15.
In addition, welding strut 43 on motor framework frame 14, this strut 43 is fixing by welding with urceolus 2.The rotation number of shielding motor 6 is set at more than the 4000rpm by frequency converter body 48.
Below, the action of complete all flow pattern pumps shown in Figure 1 is described.
Suction pipe is chewed 3a and is connected with suction housing 3, chew the fluid that 3a sucks from this suction pipe, flow in the ring-type stream 40 by suction casing 3, this ring-type stream 40 is formed between the frame urceolus 14 of urceolus 2 and shielding motor 6, fluid, is imported in the impeller 8 by guiding part 11 guidings by this stream 40.From the fluid that impeller 8 is discharged, chew 4a through guide device 12a from the discharge tube that is being connected with housing 4 and discharge.
In the present embodiment, between frequency converter assemblying body 50 and pump case urceolus 2, be provided with carriage 45.Carriage 45 has the function of regulating installation dimension, sets less than the base 46 of frequency converter assemblying body 50.Because carriage 45 is the little parts of shape, so even how its kind does not hinder producibility yet.
As shown in Figure 1, on urceolus 2,2 fixed components 53 burying bolt 52 underground intended distance ground that is separated by is being fixed with welding.As shown in Figure 3, the two ends of carriage 45 form otch 45c.After carriage 45 is entrenched in the otch 45c at its two ends on the fixed component 53,52 be fixed on the urceolus 2 by tighting a bolt with nut 54.
Below, illustrate frequency converter assemblying body 50 is fixed on method on the motor-drive pump.
At first, frequency converter body 48 is housed in base 46 and the cover 47, assembles frequency converter assemblying body 50 separately.After having assembled frequency converter assemblying body 50, analog bracket 45 and frequency converter assembly body 50.Should fixing can carry out as illustrated in fig. 2, that is, from carriage 45 sides bolt 55 is screwed into the base 46 of frequency converter assemblying body 50, this operation can be implemented in the outside of frequency converter assemblying body 50.After having fixed carriage 45 and frequency converter assemblying body 50, the otch 45c of carriage 45 is entrenched on the fixed component 53, nut 54 is screwed on the bolt 52, carriage 45 just is fixed on the urceolus 2 of motor-drive pump.
Like this, frequency converter assemblying body 50 by be installed in base 46 on the carriage 45, be installed in cover 47 on the base 46, by base 46 with cover the 47 frequency converter bodies 48 that surround and constitute.Like this, frequency converter assemblying body 50 can be assembled separately.The fixing of carriage 45 and frequency converter assemblying body 50 can be implemented in the outside of frequency converter assemblying body 50.In addition, can be after having fixed carriage 45 and frequency converter assemblying body 50, the urceolus 2 of analog bracket 45 and motor-drive pump.Cover 47 and base 46 except the independent maintenance of frequency converter body 48, needn't decompose in principle.That is, frequency converter is installed on the pump or when pump unloaded, senior intergrated circuit etc. did not expose the outside.Senior one-tenth circuit and electrical base class are afraid of dust and dust usually, are effectively so make this structure for preventing dust.
In the present embodiment,, on carriage 45, be provided with hole 45a in order to shield motor 6 and frequency converter body 48 is electrically connected.Like this, can carry out the assembling of frequency converter assemblying body 50 and motor-drive pump without barrier.
In the present embodiment, carriage 45, base 46 and cover 47 respectively with hot good conductor, especially make with aluminum alloy.Because this kind frequency converter is mainly by the pump fluid cooling, so the employing aluminum alloy is well suited for.In addition, owing to use metallic material, so can cover the noise of frequency converter.Especially carriage is a metal, so can cover the higher harmonics noise of 2 sides of frequency converter.
In the present embodiment, on carriage 45, form the cooling liquid of passing through for cooling liquid and pass through hole 45b.Usually, frequency converter is cooled off by pump fluid.But, for example when working solution is high temperature, can cause the cooling of frequency converter bad.In this case,, other cooling liquid is passed through from the outside, like this, can fully be cooled off frequency converter without barrier because the hole 45b of cooling liquid by usefulness is set on carriage 45.
In the present embodiment,, be provided with heat transmission and improve material in the gap of the urceolus 2 of motor-drive pump and carriage 45 or in the gap of carriage 45 and base 46 or gap at base 46 and cover 47.When between parts, having the gap, because the air of heat transmitting difference is present in this gap, so cause cooling bad.Therefore, in the gap between parts, the heat transmission improvement material of aqueous silicon etc. is set.
In the present embodiment,, be provided with the sealed member 56,57,58 that keeps airtight usefulness respectively between the urceolus 2 and carriage 45 of motor-drive pump, between carriage 45 and the base 46 and between base 46 and cover 47.Like this, water vapor can not invaded in the box of accommodating frequency converter body 48, and this water vapor just can not cooled off and dewfall by pump fluid yet, can not damage frequency converter.
The fixed mechanism that the pump assembly of present embodiment has motor framework frame 14, urceolus 2, pump portion and is made of flange 61,62.Said motor holster shell body 14 is located at stator 13 peripheral parts of shielding motor 6.Above-mentioned urceolus 2 and motor framework frame 14 outer circumferential faces between form annular space 40.Said pump portion is contained the lead impeller 8 of annular space 40 of working solution.Above-mentioned flange 61,62 is located at the axle direction end of urceolus 2, is used for fixing the parts of suction casing 3 and discharge shell 4 grades.In this pump assembly, frequency converter assemblying body 50 is fixed on the peripheral part of the urceolus 2 of motor-drive pump, and the part of this frequency converter assemblying body 50 is more axially extended than the fixed mechanism that is located at urceolus 2 axle direction ends (61,62).
In the above-mentioned present embodiment, be provided with the fixed mechanism that is made of flange 61,62 in the end of pump case urceolus 2, this flange 61,62 is used to connect suction casing 3 and discharges shell 4 etc.Therefore, existing frequency converter when the too little shape of pump, exists the problem of no installing space.In the present embodiment, to the installation of frequency converter restriction, frequency converter assemblying body 50 is made so-called high desk-top (high bed formula) structure, avoid the interference of the fixed mechanism that constitutes with flange 61,62 for fear of this fixed mechanism.Like this, as long as the part of frequency converter assemblying body 50 is extended than the more past axle direction of fixed mechanism.
As mentioned above, according to the present invention, transducer, motor, pump respectively can miniaturizations, can make very small-sized on the whole pump assembly.
According to the present invention, can assemble the frequency converter assemblying body accordingly separately with the curvature changing of the urceolus that constitutes the motor-drive pump outside, can be easily mounted to the frequency converter assemblying body on the motor-drive pump of miniaturization.
Industry applications
Pump assembly of the present invention, the rotation by impeller invests pressure and speed two aspect energy to liquid, By between housing, as far as possible with the speed energy efficient be transformed to pressure energy, liquid is delivered to eminence from lower. Can force feed comprise water at interior various liquid, can be used for various buildings or chemical industry etc.

Claims (15)

1．泵组合体，其特征在于，备有电动泵、安装在该电动泵外面的托架、安装在该托架上的频率变换器组合体，在上述电动泵上设有把工作液导向马达定子外周部的空间。1. The pump assembly is characterized in that it is equipped with an electric pump, a bracket installed on the outside of the electric pump, and a frequency converter assembly installed on the bracket, and the above-mentioned electric pump is equipped with a device that guides the working fluid to the outer periphery of the motor stator. department space. 2．如权利要求1所述的泵组合体，其特征在于，上述频率变换器组合体备有安装在上述托架上的底座、安装在该底座上的罩、被上述底座和罩包围的频率变换器本体。2. The pump assembly according to claim 1, wherein the frequency converter assembly includes a base mounted on the bracket, a cover mounted on the base, and a frequency converter surrounded by the base and the cover. ontology. 3．如权利要求1或2所述的泵组合体，其特征在于，在上述托架上，设有将所述马达与频率变换器本体电气连接用的孔。3. The pump assembly according to claim 1 or 2, wherein a hole for electrically connecting the motor to the main body of the frequency converter is provided in the bracket. 4．如权利要求1至3中任一项所述的泵组合体，其特征在于，上述托架由热良导体做成。4. The pump assembly according to any one of claims 1 to 3, wherein the bracket is made of a thermal conductor. 5．如权利要求2至4中任一项所述的泵组合体，其特征在于，上述底座由热良导体做成。5. The pump assembly according to any one of claims 2 to 4, wherein the base is made of a good thermal conductor. 6．如权利要求2至5中任一项所述的泵组合体，其特征在于，上述罩由热良导体做成。6. A pump assembly according to any one of claims 2 to 5, wherein said cover is made of a good thermal conductor. 7．如权利要求4至6中任一项所述的泵组合体，其特征在于，上述热良导体是铝合金。7. The pump assembly according to any one of claims 4 to 6, wherein the thermal conductor is an aluminum alloy. 8．如权利要求1至7中任一项所述的泵组合体，其特征在于，上述电动泵备有设在马达定子外周部的马达机架外壳体、与该马达机架外壳体之间形成环形空间的外筒、把工作液导向上述环形空间的泵部，将马达驱动用的电源连接机构设在外筒外面。8. The pump assembly according to any one of claims 1 to 7, wherein the electric pump is provided with a motor frame outer shell provided on the outer peripheral portion of the motor stator, and an annular ring is formed between the motor frame outer shell and the motor frame outer shell. The outer cylinder of the space, the pump part that guides the working fluid to the above-mentioned annular space, and the power connection mechanism for driving the motor are arranged outside the outer cylinder. 9．如权利要求1至8中任一项所述的泵组合体，其特征在于，在上述托架上形成有供冷却频率变换器的冷却液通过的孔。9. The pump assembly according to any one of claims 1 to 8, wherein a hole through which a coolant for cooling the frequency inverter passes is formed in the bracket. 10．如权利要求2至9中任一项所述的泵组合体，其特征在于，在上述电动泵与托架的间隙、或者在托架与底座的间隙、或在底座与罩的间隙内，设有热传递改善材料。10. The pump combination according to any one of claims 2 to 9, characterized in that, in the gap between the above-mentioned electric pump and the bracket, or in the gap between the bracket and the base, or in the gap between the base and the cover, a There are heat transfer improving materials. 11．如权利要求2至10中任一项所述的泵组合体，其特征在于，在电动泵与托架之间、托架与底座之间以及底座与罩之间，设有保持气密用的密封部件。11. The pump combination according to any one of claims 2 to 10, characterized in that, between the electric pump and the bracket, between the bracket and the base, and between the base and the cover, there are airtight seals. Sealing parts. 12．如权利要求1至11中任一项所述的泵组合体，其特征在于，上述托架与频率变换器组合体的固定，是在频率变换器组合体的外部实施的。12. The pump assembly according to any one of claims 1 to 11, wherein the bracket and the frequency converter assembly are fixed outside the frequency converter assembly. 13．如权利要求1至12中任一项所述的泵组合体，其特征在于，可在固定了上述托架和频率变换器组合体后，固定托架和电动泵。13. The pump assembly according to any one of claims 1 to 12, wherein the bracket and the electric pump can be fixed after the bracket and the frequency converter assembly are fixed. 14．泵组合体，其备有设在马达定子外周部的马达机架外壳体、在与该马达机架外壳体外周面之间形成环形空间的外筒、将工作液导向上述环形空间的泵部、设在上述外筒的轴方向端部上的用于固定其它部件的固定机构；其特征在于，把频率变换器组合体固定在上述外筒的外周部，将该频率变换器组合体的一部分比设在外筒的轴方向端部的固定机构更加沿轴方向延伸。14. A pump assembly comprising a motor frame housing provided on the outer periphery of a motor stator, an outer cylinder forming an annular space with the outer peripheral surface of the motor frame housing, a pump unit for guiding a working fluid to the annular space, A fixing mechanism for fixing other components provided on the axial end of the outer cylinder; it is characterized in that the frequency converter assembly is fixed on the outer periphery of the above-mentioned outer cylinder, and a part of the frequency converter assembly is compared with The fixing mechanism provided at the end of the outer cylinder in the axial direction extends further in the axial direction. 15．如权利要求14所述的泵组合体，其特征在于，上述泵的旋转数为4000rpm以上。15. The pump assembly according to claim 14, wherein the rotation speed of the pump is 4000 rpm or more.
CN971914907A 1995-12-28 1997-01-06 Pump assembly Expired - Fee Related CN1094178C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP353280/1995 1995-12-28
JP35328095 1995-12-28

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CN971914907A Expired - Fee Related CN1094178C (en) 1995-12-28 1997-01-06 Pump assembly

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BR (1) BR9706924A (en)
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CN101410628B (en) * 2006-03-24 2011-05-25 西门子公司 Compressor unit and assembly method

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JP4803923B2 (en) * 2001-08-31 2011-10-26 株式会社鶴見製作所 Inverter unit for submersible pump
RU2250368C2 (en) * 2003-03-31 2005-04-20 Открытое Акционерное общество Специального проектного конструкторско-технологического бюро нефтяного и газового машиностроения (ОАО СПКТБ "НЕФТЕГАЗМАШ") Method for preparing and pumping into well multi-component technological systems and plant for realization of said method
RU2290540C1 (en) * 2005-05-13 2006-12-27 Федеральное государственное унитарное предприятие "Научно-производственное объединение прикладной механики им. акад. М.Ф. Решетнева" Electryc pumping unit
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RU171808U1 (en) * 2016-10-27 2017-06-16 Открытое акционерное общество "Омское машиностроительное конструкторское бюро" FUEL SUPPLY AND REGULATION SYSTEM FOR GAS-TURBINE ENGINE
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RU2050472C1 (en) * 1991-12-23 1995-12-20 Семченко Петр Тимофеевич Method for operating immersed centrifugal pump plant in a group of wells and a device to implement the same
JP3115751B2 (en) * 1993-10-13 2000-12-11 株式会社荏原製作所 All circumferential flow canned motor pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101410623B (en) * 2006-03-24 2010-12-08 西门子公司 Compressor unit
CN101410628B (en) * 2006-03-24 2011-05-25 西门子公司 Compressor unit and assembly method

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RU2166132C2 (en) 2001-04-27
WO1997024532A1 (en) 1997-07-10
BR9706924A (en) 1999-07-20
CN1094178C (en) 2002-11-13
AU706634B2 (en) 1999-06-17
AU1210597A (en) 1997-07-28

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