WO2003058651A1 - Filtre de bruit, unité extérieure, et climatiseur - Google Patents
Filtre de bruit, unité extérieure, et climatiseur Download PDFInfo
- Publication number
- WO2003058651A1 WO2003058651A1 PCT/JP2003/000056 JP0300056W WO03058651A1 WO 2003058651 A1 WO2003058651 A1 WO 2003058651A1 JP 0300056 W JP0300056 W JP 0300056W WO 03058651 A1 WO03058651 A1 WO 03058651A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- power supply
- line
- noise
- power
- Prior art date
Links
- 239000000696 magnetic material Substances 0.000 claims description 5
- 101100128278 Mus musculus Lins1 gene Proteins 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2895—Windings disposed upon ring cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/38—Auxiliary core members; Auxiliary coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
Definitions
- the present invention relates to a noise filter, an outdoor unit, and an air conditioner,
- the present invention relates to an electric device that supplies power to a second unit through a first unit, a noise filter that removes noise from a predetermined noise generation source in the first unit, an outdoor unit, and an air conditioner.
- FIG. 4 is a block diagram showing an example of the conventional air conditioner 1. As shown in FIG. In this type of air conditioner 1, power is supplied from an external power source 2 to the outdoor unit 3, while power is also supplied to the indoor unit 4 by branching inside the outdoor unit 3.
- power supply from the main power supply 2 to the outdoor unit 3 and power supply branching from the outdoor unit 3 to the indoor unit 4 are performed through separate power supply lines 5a, 5b, 6a, and 6b, respectively.
- Reference numeral 7 denotes a signal line, and a bundle of electric wires in which the signal line 7 and the power supply lines 6a and 6b are bundled is referred to as an indoor / outdoor line Lin.
- Reference numeral 9 denotes a noise source such as an impeller in the outdoor unit 3
- reference numerals 10 and 11 denote transmission circuits and reception circuits in the outdoor unit 3.
- the transmission circuit 10 and the reception circuit 11 are connected to the power supply lines 5 a and 5 b via the power supply lines 8 a and 8 b and receive power, and communicate with the indoor unit 4 through the signal line 7. Send and receive signals.
- the power supply lines 8a and 8b for supplying power to the transmission circuit 10 and the reception circuit 11 are branched, connected to the power supply lines 6a and 6b of the indoor / outdoor line Lin, and connected to the indoor unit 4. Also supply power.
- the noise source 9 exists as described above.
- the noises 12 superimposed between the power supply lines 5a and 5b and between the power supply lines 6a and 6b, respectively.
- the 13 voltage levels are required to be designed to be within specified standards.
- the power supply lines 5a and 5b between the electric components in the outdoor unit 3 such as the noise source 9, the transmission circuit 10 and the reception circuit 11 and the main power supply 2 have the first noise.
- a second noise filter 16 different from the first noise filter 15 is provided on the indoor / outdoor line Lin between each of the electrical components 9, 10, 11 and the indoor unit 4.
- the power supply lines 5 a and 5 b between the main power supply 2 and the outdoor unit 3 and the indoor and outdoor lines L in between the outdoor unit 3 and the indoor unit 4 have different noises. If filters 15 and 16 are provided, noise filters 15 and 16 may attempt to remove noises 12 and 13 individually, but the characteristics of noise filters 15 and 16 may be insufficient. However, there was a problem that the noises 12 and 13 could not be sufficiently removed.
- the present invention solves the above-described problems, and supplies power to an outdoor unit from a main power source.
- an air conditioner configured to supply power of an indoor unit by branching in the outdoor unit. It is an object of the present invention to provide a noise filter, an outdoor unit, and an air conditioner capable of efficiently removing noise generated in the unit.
- a first mode of the noise filter according to the present invention includes: a first unit (3) supplied with power from a main power source (2) and having a predetermined noise source (9); A second unit (4) to which the power is supplied by branching in the unit, and a noise filter (21) for reducing noise (12, 13) from the predetermined noise source.
- the power supply line and the unit-to-unit line are wound around a common magnetic body to form a choke coil, the noise that flows through them must be canceled each other to effectively remove noise. Can be.
- the number of turns of the power supply line and the number of turns of the inter-unit line are set differently.
- the ratio of the number of turns of the unit-to-unit line to the number of turns of the power supply line is determined by Since the impedance is set based on the ratio of the impedance of the unit-to-unit line to the impedance (for example, approximately in proportion), the effect on the magnetic field of each line can be made uniform, and the noises flowing through each line can be canceled out by each other. it can. Therefore, it is possible to prevent the noise from being canceled out excessively or from being insufficiently cancelled when the noise is removed.
- the inter-unit line is composed of a plurality of lines
- the integrated impedance of the plurality of lines is regarded as the impedance of the inter-unit line
- the electric wire bundle in a state where the plurality of lines are bundled. Is wound as the unit-to-unit line, or the ratio of the number of turns of the power supply line and the number of mutual turns of the plurality of lines of the unit-to-unit line is determined based on the ratio of the respective impedances (for example, almost proportionally). ) By setting, it is only necessary to cancel each other's noise with good balance.
- FIG. 1 is a block diagram showing an air conditioner provided with a noise filter according to one embodiment of the present invention.
- FIG. 2 is a perspective view showing a noise filter according to one embodiment of the present invention.
- FIG. 3 is an equivalent circuit diagram showing a noise filter according to one embodiment of the present invention.
- FIG. 4 is a block diagram showing a conventional air conditioner. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing an air conditioner (air conditioner) incorporating a noise filter according to one embodiment of the present invention. Note that, in this embodiment, the same reference numerals are given to elements having the same functions as the conventional ones.
- this air conditioner has power supply lines 5a and 5 between the main power source 2 and the outdoor unit (first unit) 3, and the outdoor unit 3 and the indoor unit (second unit) 4
- a common noise eliminator (noise filter) 21 is provided for the indoor / outdoor line (line between units) L in (the power bundle that bundles the power supply lines 6a and 6b and the signal line 7).
- the power supply lines 5 a and 5 b and the power supply lines 6 a and 6 in the indoor / outdoor line Lin are connected to the magnetic material 22 such as a single annular ferrite core as shown in FIG. b and the signal line 7 are wound together as a choke coil in common mode.
- noises 12, 13 flowing between the power supply lines 5a, 5b and between the power supply lines 6a, 6b try to generate magnetic fluxes in opposite directions, noises 12, 23 are generated. It can be removed efficiently. As a result, the influence of noise on the signal line 7 can be removed.
- the noise source 9 is Invar
- the connection target viewed from the noise source 9 is the power line 5a, 5b and the power line 6a, 6b.
- the power source 2 and the indoor unit 4 are different from each other. As described above, usually, there is a difference in impedance between the connection targets as viewed from the outdoor unit 3.
- the impedance is different between the power supply lines 6 a and 6 b and the signal line 7.
- the lines 5 a, 5 b, 6 a, 6 b, and 7 having different impedances are wound together with the same number of turns, the magnetic field generated in the magnetic body 22 becomes lines 5 a, 5 b, 6
- the cancellation of the noises 12, 13 becomes imbalanced. Therefore, the number of turns of each of these lines 5a, 5b, 6a, 6b, 7 is set so that the influence on the magnetic field generated in the common magnetic body 22 is almost equal. Take this into consideration.
- the noises 12, 13 are output from the same noise source 9, so that the larger the impedance of each of the wound lines 5a, 5b, 6a, 6b, 7 Due to the lines 5a, 5b, 6a, 6b, and 7, the magnetic field generated in the magnetic body 22 is reduced.
- the noises 12, 13 are output from the same noise source 9, so that the larger the impedance of each of the wound lines 5a, 5b, 6a, 6b, 7 Due to the lines 5a, 5b, 6a, 6b, and 7, the magnetic field generated in the magnetic body 22 is reduced.
- the currents flowing between the power supply lines 5a and 5b and between the power supply lines 6a and 6b are I1 and I2, respectively, and the total number of turns of the power supply lines 5a and 5b is N l, If the total number of turns of the power supply lines 6a and 6b is N2, if the effects on the magnetic field of the power supply lines 5a and 5b and the power supply lines 6a and 6b are made uniform, The following equation (1) holds.
- the power supply lines 5a and 5b and the power supply lines 6a and 6b are both voltage V
- the power supply lines 5a and 5b and the power supply lines 6a and 6b The impedance between them is Z 1 and Z 2, respectively, and the following Ohm's law holds in equations (2) and (3).
- the number of turns of each line 6a, 6b, 7 of the indoor / outdoor line Lin is set to be larger than the number of turns of the power supply lines 5a, 5b connected to the main power supply 2.
- the degree of noise removal may differ due to factors other than the above principle, such as noise resonance due to the influence of other peripheral components.
- the respective lines 5a, 5b, and 5b were determined based on the measured values of the degree of noise removal. It is desirable to set the number of turns of 6 a, 6 b, 7. However, even in this case, each line 5a, 5b, 6a, 6b, 7 It is still the same as setting the impedance and the number of turns to be in a substantially proportional relationship.
- noises 12 and 13 are transmitted from the noise source 9 to the respective lines 5a, 5b, 6a, 6b and 7, the respective lines 5a, 5b, 6a and 6b and 7 are wound together with the common magnetic body 22, and the back electromotive force generated for each line 5a, 5b, 6a, 6b, 7 is also added to each line 5a, 5 Since noises 12 and 13 flowing through b, 6a, 6b and 7 are both canceled out, noises 12 and 13 can be efficiently removed.
- the number of turns of each line 5a, 5b, 6a, 6b, 7 is set so that the effect on the magnetic field of each line 5a, 5b, 6a, 6b, 7 is made uniform. Therefore, when the noises 12 and 13 flowing through each of the lines 5a, 5b, 6a, 6b and 7 are canceled each other, and the noises 12 and 13 are efficiently removed, It is possible to prevent cancellation or, conversely, insufficient cancellation.
- the number of turns of the three lines 6a, 6b, 7 of the indoor / outdoor line Lin is individually set based on the respective impedances.
- the indoor and outdoor lines Lin are summarized, and a single integrated impedance in the parallel circuit of each line 6a, 6b, 7 is considered, and based on this single impedance,
- the number of turns of the indoor / outdoor line L in may be set.
- the lines 6a, 6b, 7 of the indoor and outdoor lines L in have the same number of turns.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03700473.6A EP1465218B1 (en) | 2002-01-08 | 2003-01-08 | Electric device with a noise filter and air conditioner with such a device |
ES03700473.6T ES2485840T3 (es) | 2002-01-08 | 2003-01-08 | Filtro sonoro, unidad de exteriores y acondicionador de aire |
AU2003201907A AU2003201907B2 (en) | 2002-01-08 | 2003-01-08 | Noise filter, outdoor unit, and air conditioner |
US10/500,024 US7498895B2 (en) | 2002-01-08 | 2003-01-08 | Noise filter, outdoor unit and air conditioner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-1334 | 2002-01-08 | ||
JP2002001334A JP4206668B2 (ja) | 2002-01-08 | 2002-01-08 | ノイズフィルタ、室外機及び空気調和機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003058651A1 true WO2003058651A1 (fr) | 2003-07-17 |
Family
ID=19190608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000056 WO2003058651A1 (fr) | 2002-01-08 | 2003-01-08 | Filtre de bruit, unité extérieure, et climatiseur |
Country Status (7)
Country | Link |
---|---|
US (1) | US7498895B2 (ja) |
EP (1) | EP1465218B1 (ja) |
JP (1) | JP4206668B2 (ja) |
CN (1) | CN1306530C (ja) |
AU (1) | AU2003201907B2 (ja) |
ES (1) | ES2485840T3 (ja) |
WO (1) | WO2003058651A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4547950B2 (ja) * | 2004-03-15 | 2010-09-22 | ダイキン工業株式会社 | 空気調和機及び制御方法 |
JP2008281221A (ja) * | 2007-05-08 | 2008-11-20 | Sharp Corp | 空気調和機の室外機 |
FR2930093A1 (fr) * | 2008-04-10 | 2009-10-16 | Somfy Sas | Dispositif de type emetteur et/ou recepteur de signaux radioelectriques |
JP4905469B2 (ja) * | 2009-01-14 | 2012-03-28 | ダイキン工業株式会社 | チョークコイル台座および空気調和機のコントローラ |
JP4905470B2 (ja) * | 2009-01-14 | 2012-03-28 | ダイキン工業株式会社 | トロイダルコイルおよび空気調和機のコントローラ |
CN102914709B (zh) * | 2012-10-09 | 2015-01-07 | 常州加伏沃新能源科技有限公司 | 基于信号回声器区分逆变器噪音和直流电弧信号的方法 |
KR101964650B1 (ko) * | 2017-07-07 | 2019-04-02 | 엘지전자 주식회사 | 공기조화기 |
CN108895617B (zh) * | 2018-05-17 | 2024-01-23 | 广东美的制冷设备有限公司 | 空调器系统和空调器系统的通信方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568328U (ja) * | 1978-10-31 | 1980-05-10 | ||
JPS6074412A (ja) * | 1983-09-28 | 1985-04-26 | Toshiba Corp | 多出力共用チヨ−クコイル |
JPS61162737U (ja) * | 1985-03-28 | 1986-10-08 | ||
JPH07243691A (ja) * | 1994-03-04 | 1995-09-19 | Hitachi Ltd | 空気調和機 |
JPH11329851A (ja) * | 1998-05-14 | 1999-11-30 | Tdk Corp | コイル装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60258910A (ja) | 1985-05-20 | 1985-12-20 | Mitsumi Electric Co Ltd | 複合トランス |
JPH03244983A (ja) * | 1990-02-23 | 1991-10-31 | Toshiba Corp | 空気調和機 |
JPH06313609A (ja) | 1993-04-28 | 1994-11-08 | Sanyo Electric Co Ltd | 空気調和機 |
JP3320271B2 (ja) * | 1995-07-26 | 2002-09-03 | キヤノン株式会社 | ストロボ装置 |
DE19615994A1 (de) * | 1996-04-09 | 1997-10-16 | Bintec Computersysteme Gmbh | Elektronisches Gerät zur Verarbeitung und/oder Übertragung von elektrischen Signalen |
TW407394B (en) * | 1997-10-16 | 2000-10-01 | Toshiba Corp | Frequency converter to output electric driving power to motor and filter installed on it |
JPH11186073A (ja) | 1997-12-22 | 1999-07-09 | Matsushita Electric Works Ltd | 複合磁気部品 |
JPH11186055A (ja) | 1997-12-22 | 1999-07-09 | Matsushita Electric Works Ltd | 複合磁気部品 |
JP3530370B2 (ja) | 1998-01-20 | 2004-05-24 | 株式会社鷺宮製作所 | 冷暖房ユニットの駆動用電力供給方法及びその装置 |
CN1121584C (zh) * | 1998-02-03 | 2003-09-17 | 三洋电机株式会社 | 空调器的控制装置 |
JPH11282557A (ja) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | 検出部の校正方法及び太陽光発電装置 |
US7100382B2 (en) * | 2003-07-25 | 2006-09-05 | Emerson Electric Co. | Unitary control for air conditioner and/or heat pump |
-
2002
- 2002-01-08 JP JP2002001334A patent/JP4206668B2/ja not_active Expired - Fee Related
-
2003
- 2003-01-08 CN CNB038020319A patent/CN1306530C/zh not_active Expired - Fee Related
- 2003-01-08 EP EP03700473.6A patent/EP1465218B1/en not_active Expired - Lifetime
- 2003-01-08 WO PCT/JP2003/000056 patent/WO2003058651A1/ja active Application Filing
- 2003-01-08 ES ES03700473.6T patent/ES2485840T3/es not_active Expired - Lifetime
- 2003-01-08 AU AU2003201907A patent/AU2003201907B2/en not_active Ceased
- 2003-01-08 US US10/500,024 patent/US7498895B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568328U (ja) * | 1978-10-31 | 1980-05-10 | ||
JPS6074412A (ja) * | 1983-09-28 | 1985-04-26 | Toshiba Corp | 多出力共用チヨ−クコイル |
JPS61162737U (ja) * | 1985-03-28 | 1986-10-08 | ||
JPH07243691A (ja) * | 1994-03-04 | 1995-09-19 | Hitachi Ltd | 空気調和機 |
JPH11329851A (ja) * | 1998-05-14 | 1999-11-30 | Tdk Corp | コイル装置 |
Also Published As
Publication number | Publication date |
---|---|
US7498895B2 (en) | 2009-03-03 |
EP1465218B1 (en) | 2014-07-23 |
ES2485840T3 (es) | 2014-08-14 |
US20050093651A1 (en) | 2005-05-05 |
JP2003203815A (ja) | 2003-07-18 |
EP1465218A4 (en) | 2010-05-05 |
AU2003201907B2 (en) | 2006-07-06 |
CN1306530C (zh) | 2007-03-21 |
AU2003201907A1 (en) | 2003-07-24 |
EP1465218A1 (en) | 2004-10-06 |
CN1613125A (zh) | 2005-05-04 |
JP4206668B2 (ja) | 2009-01-14 |
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