CN108474369A - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN108474369A CN108474369A CN201680078436.XA CN201680078436A CN108474369A CN 108474369 A CN108474369 A CN 108474369A CN 201680078436 A CN201680078436 A CN 201680078436A CN 108474369 A CN108474369 A CN 108474369A
- Authority
- CN
- China
- Prior art keywords
- closed container
- compressor
- electrode
- mechanical part
- compression mechanical
- 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.)
- Pending
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Classifications
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating 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
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
Abstract
The present invention provide it is a kind of by a low price and simple structure can detect electrostatic capacitance by measure refrigerator oil oil mass compressor.The compressor has：Closed container；The compression mechanical part that refrigerant gas is compressed in closed container；By penetrate through closed container it is inside and outside in a manner of a connection terminal being configured and be electrically insulated with closed container；And be electrically connected and be mechanically connected with connection terminal in closed container, it is configured in a manner of keeping electrode surface opposite with the medial surface of closed container, an electrode of electrostatic capacitance is generated between electrode surface and the medial surface of closed container.
Description
Technical field
The present invention relates to the refrigeration cycle for refrigerating air conditioning devices such as air regulator, freezers and to refrigerant gas
The compressor compressed.
Background technology
In general, the compressor compressed to refrigerant gas is used for the refrigerating air conditioning devices such as air regulator, freezer
Refrigeration cycle.In order to make compressor operation, the compression mechanical part to the compression for carrying out refrigerant is needed to supply enough freezings
Machine oil, to ensure good lubricating status.It is right if not supplying enough refrigerator oils to compression mechanical part for compressor
It will be unable to gap being fully sealed in each section and bearing of compression mechanical part, refrigerant gas will be leaked out from discharge chambe, be led
Cause the decline of the refrigerating capacity of refrigerating air conditioning device.Moreover, for compressor, if not to the bearing supply for constituting compression mechanical part
Enough refrigerator oils are then unable to ensure fluid lubrication, will cause axis that fixed contact occurs with bearing, it is possible to because of abnormal mill
Damage is sintered and becomes not operating.
Compressor needs the storage for being ensured in advance that enough amounts to supply enough refrigerator oils to compression mechanical part
In the refrigerator oil in closed container.However, compressor is in the case where being loaded into refrigerating circuit, for example, it is at the start or high
When the operating of flow, refrigerator oil can be taken out of by refrigerant gas to outside closed container.Therefore, compressor there are low on fuel and
No normal direction compression mechanical part and bearing supply the possibility of enough refrigerator oils.
In order to solve the above problems, such as compressor disclosed in following patent documents 1 is a kind of by a pair of terminal and a pair
The structure that electrode is arranged along the normal direction of the medial surface of closed container.The compressor is following structure, that is, passes through detection
Electrostatic capacitance between a pair of electrodes measures the concentration of the refrigerator oil in closed container, and refrigerant is controlled based on its measured value
The operating in circuit returns to the operating in compressor into enforcement refrigerator oil.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2002-317785 bulletins
Invention content
The subject that the invention solves
The compressor of above patent document 1, due to the structure for being formed as being equipped with a pair of electrodes in closed container, component
Number increases, construction becomes complicated, there are problems that manufacturing cost rising.
The present invention makes to solve project as described above, and its purpose is to provide one kind can be by low
Valence and simple structure detection electrostatic capacitance and the compressor of the oil mass that measures refrigerator oil.
Solution for solving the problem
The compressor of the present invention has：Closed container；Compression mechanical part, the compression mechanical part is in the closed container
It is interior, refrigerant gas is compressed；One connection terminal, the connection terminal is to penetrate through the inside and outside side of the closed container
Formula is configured, and is electrically insulated with the closed container；And an electrode, the electrode in the closed container with the company
Connecting terminal is electrically connected and mechanical connection, is configured in a manner of keeping electrode surface opposite with the medial surface of the closed container,
Electrostatic capacitance is generated between the electrode surface and the medial surface of the closed container.
Invention effect
The compressor of the present invention, passes through the simple structure formed by a connection terminal and an electrode, it will be able to examine
It surveys electrostatic capacitance and measures the oil mass of refrigerator oil, therefore can inhibit to manufacture spent fee of material and processing charges etc., it is economical
Excellent effect.
Description of the drawings
Fig. 1 is the longitudinal sectional view of the compressor of embodiments of the present invention.
Fig. 2 is the enlarged drawing in the portions A indicated in Fig. 1.
Specific implementation mode
Embodiment
Hereinafter, being illustrated to the structure of the compressor of the present invention and action based on embodiment illustrated.Fig. 1 is this hair
The longitudinal sectional view of the compressor of bright embodiment.Fig. 2 is the enlarged drawing in the portions A of Fig. 1 instructions.
The compressor 100 of present embodiment shown in FIG. 1 shows rotary compressor as an example.The compressor 100 is used
In the refrigeration cycle of the refrigerating air conditioning devices such as air regulator, freezer, the refrigeration air-conditioners such as the air regulator, freezer dress
The refrigeration cycle set is sequentially connected compressor 100, four-way valve, indoor heat exchanger, expansion valve, outdoor heat exchanger and storage by piping
Liquid device 12 etc. has the refrigerant circuit for making enclosed refrigerant circulation.
Compressor 100 be accommodated in the closed container 1 of higb pressure atmosphere the motor 2 for having stator 2a and rotor 2b, with
And the compression mechanical part 3 driven by motor 2.Moreover, the bottom storage in closed container 1 has mainly to compression mechanical part 3
The refrigerator oil 15 that is lubricated of sliding.Compression mechanical part 3 of the compressor 100 in closed container 1 is connected with and liquid storage device
12 connection sucking connecting pieces 10, be taken into from liquid storage device 12 to the discharge chambe of compression mechanical part 3 low pressure, high temperature gas refrigeration
Agent.Moreover, compressor 100 is connected with discharge pipe 11 on the top of closed container 1, from the discharge of discharge pipe 11 be compressed into high pressure,
The gas refrigerant of high temperature.
There is motor 2 stator 2a and rotor 2b, stator 2a to be fixed in closed container 1, and rotor 2b is with relative to stator
The mode that 2a is rotated freely is installed, and drives rotor 2b to rotate by being powered to stator 2a, motor 2 is from the outside through by gas
Close terminal is supplied to electric power and is driven.There is bent axle 4 in the rotor 2b hot chargings, compression mechanical part is linked with via bent axle 4
3.That is, the rotary force of motor 2 is transmitted via bent axle 4 to compression mechanical part 3.
Bent axle 4 is by being fixed on the main shaft 4a of the rotor 2b of motor 2, the phase in main shaft 4a being arranged across compression mechanical part 3
The countershaft 4b to toss about the and core shift portion 4c being formed between main shaft 4a and countershaft 4b is constituted.In addition, though omitting figure in detail
Show, but bent axle 4 is formed as following structure：In the internal oil supplying hole for having and being open to the bottom direction of closed container 1, in fuel feeding
It is provided with spiral helicine centrifugal pump in hole, the refrigerator oil 15 for the bottom for being stored in closed container 1 can be drawn and to compressor
Structure portion 3 supplies.
The base bearing 5 for rotating freely ground axle suspension main shaft 4a is equipped in the main shaft 4a of bent axle 4, with the gap with sliding
Mode it is chimeric.Moreover, the supplementary bearing 6 for rotating freely ground axle suspension countershaft 4b is equipped in the countershaft 4b of bent axle 4, to have cunning
The mode in the gap employed is chimeric.
Compression mechanical part 3 has cylinder body 7 and piston 8, is accommodated in the inside of closed container 1, cylinder body 7 forms discharge chambe, living
Plug 8 is configured in a manner of rotatably freely chimeric with the core shift portion 4c of bent axle 4 in discharge chambe.
Cylinder body 7 has cylindric inner space as discharge chambe, is configured with the core shift portion with bent axle 4 in the interior space
The piston 8 that 4c is rotatably freely fitted into, peripheral surface are fixed on the inner peripheral portion of closed container 1.It is equipped in cylinder body 7 by discharge chambe point
It is divided into suction chamber and the blade (diagram is omitted) of room is discharged, gas is sucked from liquid storage device 12 to suction chamber by sucking connecting piece 10
Refrigerant.
In closed container 1, as shown in Fig. 2 amplifications, mounting plate 16 is equipped in the high-pressure area for storing refrigerator oil 15.
A connection terminal 13 being electrically insulated with closed container 1 by penetrate through closed container 1 outwardly and inwardly in a manner of be set to installation
Plate 16.There are one electrodes 14 for the end electrical connection of in connection terminal 13, closed container 1 private side and mechanical connection.
Electrode 14 is in tabular, has the electrode surface opposite with the medial surface of closed container 1, in electrode surface and closed container
Electrostatic capacitance is generated between 1 medial surface.In the case of illustrated example, electrode 14 is expressed as making electrode surface and closed container 1
The parallel state of medial surface, as long as but keep electrode surface opposite with the medial surface of closed container 1, be not necessarily limited to put down
Capable state.Moreover, the shape of electrode 14 is not limited to tabular, for example, can be it is rodlike etc., can according to status of implementation with
Variously-shaped implementation.
In previous compressor, due to being the structure that a pair of electrodes is arranged along the normal direction of closed container, because
, when the sensitivity in order to ensure the detection of electrostatic capacitance increases electrode, electrode increases towards amount outstanding inside container for this.
Therefore, electrode is possible to interfere with compressing member or motor element, and the expansion of electrode is restricted.In order to increase
It avoids electrode from being interfered with compressing member or motor element in the case of electrode, needs to increase the container of compressor to be arranged
Space, or be arranged towards the outside dedicated space outstanding etc. of container.
On the other hand, the compressor 100 of present embodiment is due to so that electrode surface is opposite with the medial surface of closed container 1
Electrode 14 is arranged in mode, so even using the big electrode 14 of shape, will not be interfered with structural elements such as compressing members.
Do not have to the container for increasing compressor 100 or setting private space as a result, the spirit of the detection of the electrostatic capacitance of electrode 14 can be improved
Sensitivity improves the measurement accuracy of the fuel head of refrigerator oil 15, safely realizes the raising of reliability.
It is equipped in the outside of closed container 1 and is connected to closed container 1 and connection terminal 13 to detect electrostatic capacitance, and be based on
The detected value measures the oil mass analyzer 17 of the fuel head of refrigerator oil 15.Moreover, being equipped with base in the outside of closed container 1
The control unit 9 of the operating of compressor 100 is controlled in the measured value measured by oil mass analyzer 17.
Next, illustrating the action of compressor 100.In compressor 100, the core shift portion 4c of bent axle 4 is together with main shaft 4a
It is eccentrically rotated, being embedded in the piston 8 of core shift portion 4c makes the peripheral surface of piston 8 mutually be grounded progress public affairs with the inner peripheral surface of discharge chambe
Turn.Also, compressing indoor revolution along with piston 8, blade be set to two sides and kept by sleeve (diagram is omitted) and
It is moved forward and backward.Then, the refrigerant of low pressure is drawn into suction chamber by compressor 100 from sucking connecting piece 10, in discharge room
It is middle by refrigerant compression to authorized pressure, then make discharge pipe 11 valve change for open state and from tap be discharged high pressure gas
Cryogen is sent out to the refrigeration cycle of refrigerating air conditioning device.
The compressor 100 of present embodiment, when for example starting or when the operating of high flow capacity, due to 15 quilt of refrigerator oil
Refrigerant gas is taken out of outside closed container 1, causes pasta insufficient and supplies enough cold without normal direction compression mechanical part 3 and bearing
In the case of freezing machine oil 15, it can be detected between closed container 1 and electrode 14 because of refrigerator oil 15 by oil mass analyzer 17
The electrostatic capacitance for disappearing and changing.Also, compressor 100 is according to the fuel head of the refrigerator oil 15 measured based on detected value
Measured value carry out the control stopped into the operating for exercising compressor 100, therefore compressor 100 can to that the such thing of damage occur
Therefore it prevents trouble before it happens.Alternatively, being controlled the operating condition of refrigerating circuit and being formed as refrigerator oil 15 and be easily returned to compression
The operating condition of machine 100 thus enables that the amount of the refrigerator oil 15 in closed container is restored.
Therefore, the compressor 100 of present embodiment, is able to maintain that not will produce and causes to make because of the leakage of refrigerant gas
High efficiency that the refrigerating capacity of cold air-conditioning device declines and not will produce bearing inordinate wear and sintering reliability.And
And compressor 100 is the simple structure being made of a connection terminal 13 and an electrode 14, therefore with by a pair of electrodes structure
At previous refrigerating plant compare, can inhibit to manufacture spent fee of material and processing charges etc., economic effect is excellent.
More than, based on embodiment, the present invention is described, but the present invention is not limited to the above embodiment
Structure.For example, in the present embodiment, be illustrated by taking rotary compressor as an example, but it's not limited to that, no matter
It is scroll compressor or reciprocating compressor etc., no matter how the form of compression mechanism can be applicable in, the present invention's
Change appropriate can be carried out in technical scope.In short, for the sake of prudent, for supplement, those skilled in the art are according to need
It wants and the various changes made, application, the range that utilizes also are contained in the purport (technical scope) of the present invention.
Symbol description
1 closed container, 2 motor, 2a stators, 2b rotors, 3 compression mechanical parts, 4 bent axles, 4a main shafts, 4b countershafts, 4c are inclined
Core, 5 base bearings, 6 supplementary bearings, 7 cylinder bodies, 8 pistons, 9 control units, 10 sucking connecting pieces, 11 discharge pipes, 12 liquid storage devices, 13 connect
Connecting terminal, 14 electrodes, 15 refrigerator oils, 16 mounting plates, 17 oil mass analyzers, 100 compressors.
Claims (3)
1. a kind of compressor, wherein have：
Closed container；
Compression mechanical part, the compression mechanical part compress refrigerant gas in the closed container；
One connection terminal, the connection terminal by penetrate through the closed container it is inside and outside in a manner of be configured, and it is described close
Close container electrical isolation；And
One electrode, the electrode is electrically connected and is mechanically connected with the connection terminal in the closed container, so that electrode
The face mode opposite with the closed medial surface of s containers is configured, in the inside of the electrode surface and the closed container
Electrostatic capacitance is generated between face.
2. compressor according to claim 1, wherein
The compressor has：
Oil mass measurement device, the oil mass measurement device are detected the electrostatic capacitance, are measured based on the detected value described closed
The oil mass of refrigerator oil in container；And
Control unit, the control unit control the compression mechanical part based on the measured value of the oil mass measurement device.
3. compressor according to claim 1 or 2, wherein the electrode is tabular or rodlike.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/052315 WO2017130321A1 (en) | 2016-01-27 | 2016-01-27 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108474369A true CN108474369A (en) | 2018-08-31 |
Family
ID=59397713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680078436.XA Pending CN108474369A (en) | 2016-01-27 | 2016-01-27 | Compressor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPWO2017130321A1 (en) |
| KR (1) | KR102044315B1 (en) |
| CN (1) | CN108474369A (en) |
| WO (1) | WO2017130321A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102244912B1 (en) | 2018-07-25 | 2021-04-26 | 주식회사 엘지화학 | Polymer Electrolyte and Method for Preparing the Same |
| JP7406916B2 (en) * | 2018-12-26 | 2023-12-28 | 三菱重工サーマルシステムズ株式会社 | Compressor for refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6187326U (en) * | 1984-11-14 | 1986-06-07 | ||
| JPS6296528U (en) * | 1985-12-05 | 1987-06-19 | ||
| JP2002317785A (en) * | 2001-04-25 | 2002-10-31 | Mitsubishi Electric Corp | Refrigerating device and refrigerant compressor |
| CN103114986A (en) * | 2013-02-26 | 2013-05-22 | 苏州英华特制冷设备技术有限公司 | Oil level detecting device for compressor |
| CN104533775A (en) * | 2010-04-01 | 2015-04-22 | Lg电子株式会社 | Oil level detecting device, and a compressor and an air conditioning system having the same |
| WO2015168200A1 (en) * | 2014-05-01 | 2015-11-05 | St. Jude Medical, Cardiology Division, Inc. | Depicting force |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2772030B2 (en) | 1989-04-28 | 1998-07-02 | 株式会社東芝 | compressor |
| JPH03225090A (en) * | 1990-01-31 | 1991-10-04 | Toshiba Corp | Compressor |
| KR20150056317A (en) * | 2013-11-15 | 2015-05-26 | 삼성전자주식회사 | Oil level detecting device |
| KR102073011B1 (en) * | 2013-12-18 | 2020-03-02 | 삼성전자주식회사 | Oil detecting apparatus, compressor having the same and method for controlling compressor |
-
2016
- 2016-01-27 CN CN201680078436.XA patent/CN108474369A/en active Pending
- 2016-01-27 JP JP2017563452A patent/JPWO2017130321A1/en active Pending
- 2016-01-27 KR KR1020187017598A patent/KR102044315B1/en active IP Right Grant
- 2016-01-27 WO PCT/JP2016/052315 patent/WO2017130321A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6187326U (en) * | 1984-11-14 | 1986-06-07 | ||
| JPS6296528U (en) * | 1985-12-05 | 1987-06-19 | ||
| JP2002317785A (en) * | 2001-04-25 | 2002-10-31 | Mitsubishi Electric Corp | Refrigerating device and refrigerant compressor |
| CN104533775A (en) * | 2010-04-01 | 2015-04-22 | Lg电子株式会社 | Oil level detecting device, and a compressor and an air conditioning system having the same |
| CN103114986A (en) * | 2013-02-26 | 2013-05-22 | 苏州英华特制冷设备技术有限公司 | Oil level detecting device for compressor |
| WO2015168200A1 (en) * | 2014-05-01 | 2015-11-05 | St. Jude Medical, Cardiology Division, Inc. | Depicting force |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017130321A1 (en) | 2017-08-03 |
| KR20180086460A (en) | 2018-07-31 |
| KR102044315B1 (en) | 2019-11-13 |
| JPWO2017130321A1 (en) | 2018-08-30 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180831 |