CN106385172A - Power factor correction induction circuit used for frequency conversion refrigerator - Google Patents

Power factor correction induction circuit used for frequency conversion refrigerator Download PDF

Info

Publication number
CN106385172A
CN106385172A CN201611066234.1A CN201611066234A CN106385172A CN 106385172 A CN106385172 A CN 106385172A CN 201611066234 A CN201611066234 A CN 201611066234A CN 106385172 A CN106385172 A CN 106385172A
Authority
CN
China
Prior art keywords
pin
enamel
group
covered wire
circuit board
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
CN201611066234.1A
Other languages
Chinese (zh)
Other versions
CN106385172B (en
Inventor
赵利华
董朋
何川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Changhong Electric Co Ltd
Original Assignee
Sichuan Changhong Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Changhong Electric Co Ltd filed Critical Sichuan Changhong Electric Co Ltd
Priority to CN201611066234.1A priority Critical patent/CN106385172B/en
Publication of CN106385172A publication Critical patent/CN106385172A/en
Application granted granted Critical
Publication of CN106385172B publication Critical patent/CN106385172B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208Arrangements for improving power factor of AC input
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062Toroidal core with turns of coil around it
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/027Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • H01F27/292Surface mounted devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/12Arrangements for reducing harmonics from ac input or output
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Rectifiers (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a power factor correction induction circuit used for a frequency conversion refrigerator. The power factor correction induction circuit comprises a printed circuit board; a ballast is installed on the printed circuit board; a power factor correction inductance circuit is installed on the printed circuit board; the power factor correction inductance circuit comprises an enameled wire, a pedestal and magnetic cores; all magnetic cores are stacked and connected in series to form a magnetic core group; the four sets of the enameled wires are wound synchronically to form an enameled wire group in a parallel mode; the enameled wire group has two connection terminals; a plurality of laps of enameled wire groups which are wounded on the outside of the magnetic core group to form a correction inductor; the correction inductor is fixedly connected to the pedestal through an adhesive; the pedestal is fixedly installed on the printed circuit board; the two connection terminals of the enameled wire group are electrically connected to a firing line of AC power supply input on the printed circuit board; or two connection terminals of the enameled wire group are electrically connected to a zero line of the AC power supply input on the printed circuit board. The invention improves the power factor of the frequency conversion, reduces pollution to the power grid, and can smoothly pass through a harmonic wave current test during product authentication.

Description

A kind of PFC inductive circuit being applied on frequency conversion refrigerator
Technical field
The present invention relates to household electrical appliance technical field, more particularly, to a kind of PFC being applied on frequency conversion refrigerator Inductive circuit.
Background technology
Frequency conversion refrigerator -- filters -- to alternating current power supply ballast during controlling frequency conversion compression work that inversion, ballast and inversion make With nonlinear device, ballast and reversals produce harmonic current.It is additional that harmonic wave makes electrical equipment in utility network produce Loss, reduces and generates electricity, transmits electricity and the efficiency of power-driven equipment;Harmonic effects various electrical equipment normal work;Harmonic wave can lead to relay Protection and automaton misoperation, can produce interference to neighbouring communication system.
Refrigerator, because daily 24 hours using being in household electrical appliances power consumption first place, the popularization of frequency conversion refrigerator, the increase of volume, makes Refrigerator harmonic current increases.Pfc circuit must be increased on refrigerator, improve power factor, reduce the pollution to electrical network for the harmonic current. Traditional pfc circuit has two schemes, and one kind is passive PFC, i.e. passive PFC, an inductance of only connecting in circuit, inductance Formed using the magnetic core that traditional cold-reduced silicon sheet builds up.One kind is active PFC, i.e. active PFC, mainly by control chip and Ferrite bead forms.Passive PFC circuit structure is simple, and electromagnetic interference is little, low cost, and reliability is high, universal in refrigerator industry Use.Active PFC can reach higher power factor, but circuit structure is complicated, relatively costly, seldom makes in refrigerator industry With.
Passive PFC inductance mainly includes the magnetic core, skeleton, lead that cold-reduced silicon sheet builds up.Although passive PFC has circuit letter List, electromagnetic interference are little, high reliability, but silicon steel sheet magnetic conductivity is low, exciting power is big, iron loss is high, power factor is low, The volume making inductance is big, weight big it is impossible to be directly assembled on panel, take larger installing space, be not easy to automatically controlled group Part assembling and transport.
Existing frequency conversion refrigerator product majority does not take measure of power factor correction, even if power factor correction circuit, It is the passive PFC inductance made using stalloy.Refrigerator whole acc power factor is relatively low, is difficult to test by harmonic current, simultaneously The harmonic current producing pollutes to electrical network.
Content of the invention
Part in view of the shortcomings of the prior art, it is an object of the invention to provide a kind of be applied on frequency conversion refrigerator PFC inductive circuit, improves frequency conversion refrigerator power factor, reduces the pollution to electrical network, passes through product simultaneously Certification time-harmonic wave testing current.
The purpose of the present invention is achieved through the following technical solutions:
A kind of PFC inductive circuit being applied on frequency conversion refrigerator, including the printing being arranged on frequency conversion refrigerator Circuit board, described printed circuit board is electrically connected with live wire and the zero line of alternating current power supply input, described printed circuit board is electrically connected Connect and ballast is installed, power factor correction inductive circuit, described power factor are installed in electrical connection on described printed circuit board Correction inductive circuit includes enamel-covered wire, pedestal and several magnetic cores, and all magnetic core overlaps are connected into magnetic core group, and four groups of enamel-covered wires are put down Row is synchronous to turn to enamel-covered wire group, and four groups of enamel-covered wires of described enamel-covered wire group are serially connected, and described enamel-covered wire group has two and connects Line end, constitutes correction inductance in the enamel-covered wire group of the outside some numbers of turn of coiling of magnetic core group, described correction inductance passes through glue with pedestal Stick is fixedly connected, and described pedestal is fixedly installed on printed circuit board;Two terminals of described enamel-covered wire group are electrically connected respectively Be connected on printed circuit board exchange power input live wire on, or two terminals of described enamel-covered wire group be electrically connected in Exchange on printed circuit board on the zero line of power input.
In order to the present invention is better achieved, described magnetic core is toroidal core, and four groups of enamel-covered wires of described enamel-covered wire group are respectively For first group of enamel-covered wire, second group of enamel-covered wire, the 3rd group of enamel-covered wire, the 4th group of enamel-covered wire, the two ends of described first group of enamel-covered wire End is respectively the first pin and the 8th pin, and the two ends end of described second group of enamel-covered wire is respectively second pin and the 7th and draws Foot, the two ends end of described 3rd group of enamel-covered wire is respectively the 3rd pin and the 6th pin, the two ends of described 4th group of enamel-covered wire End is respectively the 4th pin and the 5th pin, described first pin, second pin, the 3rd pin, the 4th pin, the 5th draws Foot, the 6th pin, the 7th pin, the 8th pin are individually fixed on printed circuit board, and described second pin is led to the 8th pin Cross printed wiring to be electrically connected, described 3rd pin is electrically connected by printed wiring with the 7th pin, described 4th pin and the 6th Pin is electrically connected by printed wiring, two terminals of described first pin and the 5th pin respectively enamel-covered wire group.
Preferably, described magnetic core is made up of ferrum silicon materials, described magnetic core group is in series by two magnetic core overlaps.
Preferably, described adhesive is made up of epoxy resin, described pedestal is made up of epoxy panel material.
The present invention compared with the prior art, has advantages below and beneficial effect:
The present invention improves frequency conversion refrigerator power factor, reduces the pollution to electrical network, when passing through product certification simultaneously Harmonic current is tested.
Brief description
Fig. 1 corrects the structural representation of inductance for frequency conversion refrigerator of the present invention;
Fig. 2 corrects the pin schematic diagram of inductance for frequency conversion refrigerator of the present invention;
Fig. 3 corrects, for frequency conversion refrigerator of the present invention, the pin arrangement schematic diagram that inductance is located on printed circuit board.
Wherein, entitled corresponding to the reference in accompanying drawing:
10- magnetic core, 20- enamel-covered wire, 30- adhesive, 40- pedestal.
Specific embodiment
With reference to embodiment, the present invention is described in further detail:
Embodiment
As shown in FIG. 1 to 3, a kind of PFC inductive circuit being applied on frequency conversion refrigerator, including being arranged at Printed circuit board on frequency conversion refrigerator, printed circuit board is electrically connected with live wire and the zero line of alternating current power supply input, printed circuit On plate, electrical connection is provided with ballast, and power factor correction inductive circuit, power factor are installed in electrical connection on printed circuit board Correction inductive circuit includes enamel-covered wire 20, pedestal 40 and several magnetic cores 10, and all magnetic core 10 overlaps are connected into magnetic core group, four groups Enamel-covered wire 20 parallel synchronous turn to enamel-covered wire group, and four groups of enamel-covered wires 20 of enamel-covered wire group are serially connected, and enamel-covered wire group has two Individual terminals, constitute correction inductance in the enamel-covered wire group of the outside some numbers of turn of coiling of magnetic core group, and correction inductance is passed through with pedestal 40 Adhesive 30 is fixedly connected, and pedestal 40 is fixedly installed on printed circuit board;Two terminals of enamel-covered wire group are electrically connected Exchange on the printed circuit board on the live wire of power input, or two terminals of enamel-covered wire group are electrically connected in printing electricity Exchange on the plate of road on the zero line of power input.
Magnetic core 10 is toroidal core, and four groups of enamel-covered wires 20 of enamel-covered wire group are respectively first group of enamel-covered wire, second group of enamel-cover Line, the 3rd group of enamel-covered wire, the 4th group of enamel-covered wire, the two ends end of first group of enamel-covered wire is respectively the first pin and the 8th pin, The two ends end of second group of enamel-covered wire is respectively second pin and the 7th pin, and the two ends end of the 3rd group of enamel-covered wire is respectively the Three pins and the 6th pin, the two ends end of the 4th group of enamel-covered wire is respectively the 4th pin and the 5th pin, the first pin, second Pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, the 8th pin are individually fixed in printed circuit On plate, second pin is electrically connected by printed wiring with the 8th pin, and the 3rd pin and the 7th pin are electrically connected by printed wiring Logical, the 4th pin is electrically connected by printed wiring with the 6th pin, and the first pin and the 5th pin are respectively the two of enamel-covered wire group Individual terminals.
The magnetic core 10 of the present invention is made up of ferrum silicon materials, and magnetic core group is in series by two magnetic core 10 overlaps.
The adhesive 30 of the present invention is made up of epoxy resin, and pedestal 40 is made up of epoxy panel material.
The magnetic core 10 of the present invention adopts ferrum silicon magnetic core, and the pcrmeability of magnetic core 10 is higher than the silicon steel core of traditional inductance, in phase With the enamel-covered wire 20 of the identical number of turn of coiling on the magnetic core 10 of size, the ferrum silicon materials that the present embodiment is selected can reach higher electricity Sensibility reciprocal, the PFC inductance frequency conversion refrigerator power factor of prior art is less than 0.7, using the present embodiment frequency conversion refrigerator work( Rate factor 0.75~0.8.And the density of ferrum silicon magnetic core is less than silicon steel core, the magnetic core 10 of same size, and the present embodiment is selected Ferrum silicon materials quality be much smaller than existing PFC inductance, be readily transported.The present embodiment adopts four groups of enamel-covered wires 20 Coiling simultaneously, makes every group of enamel-covered wire join end to end by printed board, it is to avoid inductance interior welds are it is ensured that product quality.Exist simultaneously In the case of ensureing that inductance value requires, improve production efficiency.
The frequency conversion refrigerator PFC inductance of the present invention improves the power factor of frequency conversion refrigerator, reduces frequency conversion refrigerator Pollution to electrical network.The present invention can assemble on a printed circuit board, be easy to installation and the transport of product, be suitable in frequency conversion refrigerator Upper popularization and application.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (4)

1. a kind of PFC inductive circuit being applied on frequency conversion refrigerator, including the printing electricity being arranged on frequency conversion refrigerator Road plate, described printed circuit board is electrically connected with live wire and the zero line of alternating current power supply input, described printed circuit board electrically connects Ballast is installed it is characterised in that:On described printed circuit board, power factor correction inductive circuit is installed in electrical connection, described PFC inductive circuit includes enamel-covered wire (20), pedestal (40) and several magnetic cores (10), and all magnetic cores (10) are overlapping It is connected into magnetic core group, four groups of enamel-covered wire (20) parallel synchronous turn to enamel-covered wire group, four groups of enamel-covered wires of described enamel-covered wire group (20) it is serially connected, described enamel-covered wire group has two terminals, in the enamel-covered wire group structure of the outside some numbers of turn of coiling of magnetic core group Become correction inductance, described correction inductance is fixedly connected by adhesive (30) with pedestal (40), described pedestal (40) fixed installation On printed circuit board;Two terminals of described enamel-covered wire group are electrically connected exchange power input on printed circuit board On live wire, or two terminals of described enamel-covered wire group are electrically connected the zero line exchanging power input on printed circuit board On.
2., according to a kind of PFC inductive circuit being applied on frequency conversion refrigerator described in claim 1, its feature exists In:Described magnetic core (10) is toroidal core, four groups of enamel-covered wires (20) of described enamel-covered wire group be respectively first group of enamel-covered wire, second Group enamel-covered wire, the 3rd group of enamel-covered wire, the 4th group of enamel-covered wire, the two ends end of described first group of enamel-covered wire be respectively the first pin and 8th pin, the two ends end of described second group of enamel-covered wire is respectively second pin and the 7th pin, described 3rd group of enamel-covered wire Two ends end be respectively the 3rd pin and the 6th pin, the two ends end of described 4th group of enamel-covered wire be respectively the 4th pin and 5th pin, described first pin, second pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, 8th pin is individually fixed on printed circuit board, and described second pin is electrically connected by printed wiring with the 8th pin, described 3rd pin is electrically connected by printed wiring with the 7th pin, and described 4th pin is electrically connected by printed wiring with the 6th pin Logical, two terminals of described first pin and the 5th pin respectively enamel-covered wire group.
3. according to a kind of PFC inductive circuit being applied on frequency conversion refrigerator described in claim 1 or 2, its feature It is:Described magnetic core (10) is made up of ferrum silicon materials, and described magnetic core group is in series by two magnetic core (10) overlaps.
4. according to a kind of PFC inductive circuit being applied on frequency conversion refrigerator described in claim 1 or 2, its feature It is:Described adhesive (30) is made up of epoxy resin, and described pedestal (40) is made up of epoxy panel material.
CN201611066234.1A 2016-11-21 2016-11-21 A kind of PFC inductive circuit applied on frequency conversion refrigerator Active CN106385172B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611066234.1A CN106385172B (en) 2016-11-21 2016-11-21 A kind of PFC inductive circuit applied on frequency conversion refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611066234.1A CN106385172B (en) 2016-11-21 2016-11-21 A kind of PFC inductive circuit applied on frequency conversion refrigerator

Publications (2)

Publication Number Publication Date
CN106385172A true CN106385172A (en) 2017-02-08
CN106385172B CN106385172B (en) 2019-03-22

Family

ID=57959822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611066234.1A Active CN106385172B (en) 2016-11-21 2016-11-21 A kind of PFC inductive circuit applied on frequency conversion refrigerator

Country Status (1)

Country Link
CN (1) CN106385172B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107910158A (en) * 2017-12-26 2018-04-13 天津光电惠高电子有限公司 A kind of PFC choke coil and processing technology
CN112992490A (en) * 2021-03-22 2021-06-18 盐城简尼电子有限公司 Four-quadrant low-noise reactor and manufacturing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1242583A (en) * 1999-07-08 2000-01-26 陈章泰 Energy saving type electromagnetic induction products
US20120146755A1 (en) * 2010-12-08 2012-06-14 Lotes Co., Ltd Inductor
CN203165613U (en) * 2013-04-02 2013-08-28 浙江正亮电子电气有限公司 Fe-Si PFC (Power Factor Correction) inductance for air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1242583A (en) * 1999-07-08 2000-01-26 陈章泰 Energy saving type electromagnetic induction products
US20120146755A1 (en) * 2010-12-08 2012-06-14 Lotes Co., Ltd Inductor
CN203165613U (en) * 2013-04-02 2013-08-28 浙江正亮电子电气有限公司 Fe-Si PFC (Power Factor Correction) inductance for air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107910158A (en) * 2017-12-26 2018-04-13 天津光电惠高电子有限公司 A kind of PFC choke coil and processing technology
CN112992490A (en) * 2021-03-22 2021-06-18 盐城简尼电子有限公司 Four-quadrant low-noise reactor and manufacturing method thereof

Also Published As

Publication number Publication date
CN106385172B (en) 2019-03-22

Similar Documents

Publication Publication Date Title
CN109391156A (en) Power supply change-over device
CN106787253B (en) Based on T- Π composite resonant network ECPT system and its Parameters design
CN107171578B (en) Two Stages type AC-DC electric power electric transformer
CN106385172A (en) Power factor correction induction circuit used for frequency conversion refrigerator
CN204633480U (en) A kind of wireless power transmission transmitting terminal circuit of multiple-frequency operation
CN104124764A (en) Wireless power transmission receiving end, system and receiving method
CN105513769A (en) Transformer and display device
CN204992793U (en) A device for wireless power transmission
CN201616925U (en) Magnet exciting coil of electromagnetic oven
Gogo et al. Effect of coil parameters on the electromagnetic halbach array wireless power transfer system
CN209859774U (en) Power supply intelligent control type power energy-saving transformer with deep integration
CN103722319B (en) The circuit control board system of electric welding machine and electric welding machine thereof
CN102420041A (en) Transformer and transformation device
CN106130370A (en) Communicator copied by Switching Power Supply and electrical isolation method, multilist collection
CN203552915U (en) Variable-frequency power source transformer
CN202422964U (en) Transformer and transforming device
CN205178886U (en) Sensor is kept apart to electric quantity
CN208507431U (en) A kind of vehicle-mounted integrated high-power resonant inductance
CN105161284B (en) The resistance to voltage source manufacture method of high isolation
CN206991912U (en) A kind of transformer
CN207009263U (en) A kind of flat surface transformer of integrated current transformer
CN205901305U (en) But active power filter device that real -time supervision load current changes
CN204926986U (en) Low-voltage welding transformer
CN205862980U (en) A kind of low-voltage electricity transmission line transformator
CN203851037U (en) Intermediate frequency furnace control circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant