CN106385172B - A kind of PFC inductive circuit applied on frequency conversion refrigerator - Google Patents
A kind of PFC inductive circuit applied on frequency conversion refrigerator Download PDFInfo
- Publication number
- CN106385172B CN106385172B CN201611066234.1A CN201611066234A CN106385172B CN 106385172 B CN106385172 B CN 106385172B CN 201611066234 A CN201611066234 A CN 201611066234A CN 106385172 B CN106385172 B CN 106385172B
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- CN
- China
- Prior art keywords
- pin
- enameled wire
- group
- circuit board
- magnetic core
- 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.)
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Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 29
- 230000001939 inductive effect Effects 0.000 title claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000012937 correction Methods 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 claims description 7
- 239000002210 silicon-based material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 4
- 229920006926 PFC Polymers 0.000 description 19
- 229910000976 Electrical steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 208000032368 Device malfunction Diseases 0.000 description 1
- 239000004836 Glue Stick Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies 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 kind of PFC inductive circuits applied on frequency conversion refrigerator, including printed circuit board, ballast is installed on printed circuit board, power factor correction inductive circuit is installed on printed circuit board, PFC inductive circuit includes enameled wire, pedestal and magnetic core, all magnetic core overlappings are connected into magnetic core group, four groups of enameled wire parallel synchronous turn to enameled wire group, there are two terminals for enameled wire group tool, the enameled wire group of several the number of turns of coiling constitutes correction inductance outside magnetic core group, correction inductance is fixedly connected with pedestal by adhesive, pedestal is fixedly installed on printed circuit board；Two terminals of enameled wire group be electrically connected on printed circuit board AC power source input firewire on or enameled wire group two terminals be electrically connected on printed circuit board AC power source input zero curve on.The present invention improves frequency conversion refrigerator power factor, reduces the pollution to power grid, while passing through product certification time-harmonic wave testing current.
Description
Technical field
The present invention relates to field of home appliance technology more particularly to a kind of PFCs applied on frequency conversion refrigerator
Inductive circuit.
Background technique
Frequency conversion refrigerator control frequency conversion compression work during to AC power source ballast -- filtering -- inversion, ballast and inversion make
With nonlinear device, harmonic current is generated in ballast and reversals.Harmonic wave keeps electrical equipment generation in utility network additional
Loss reduces power generation, transmission of electricity and the efficiency of power-driven equipment；Harmonic wave influences various electrical equipments and works normally；Harmonic wave will lead to relay
Protection and automatic device malfunction can generate interference to neighbouring communication system.
Household electrical appliances power consumption is the first since daily use in 24 hours is in for refrigerator, and the increase of the universal of frequency conversion refrigerator, volume makes
Refrigerator harmonic current increases.Pfc circuit must be increased on refrigerator, increase power factor reduces pollution of the harmonic current to power grid.
There are two types of schemes for traditional pfc circuit, one is passive PFC, i.e. passive PFC, an inductance of only connecting in circuit, and inductance
The magnetic core composition built up using traditional cold-reduced silicon sheet.One is active PFC, i.e., active PFC, mainly by control chip and
Ferrite bead composition.Passive PFC circuit structure is simple, and electromagnetic interference is small, at low cost, high reliablity, universal in refrigerator industry
It uses.Active PFC can achieve higher power factor, but circuit structure is complicated, and higher cost seldom makes in refrigerator industry
With.
Passive PFC inductance mainly includes magnetic core, skeleton, the lead that cold-reduced silicon sheet is built up.Although passive PFC has circuit simple
It is single, electromagnetic interference is small, high reliability, but silicon steel sheet magnetic conductivity is low, exciting power is big, iron loss is high, power factor is low,
Make that the volume of inductance is big, weight is big, can not be directly assembled on control panel, occupy biggish installation space, be not easy to automatically controlled group
Part assembly and transport.
Existing frequency conversion refrigerator product majority does not take measure of power factor correction, even if power factor correction circuit,
It is using passive PFC inductance made of silicon steel sheet.Refrigerator complete machine power factor is lower, is difficult to test by harmonic current, simultaneously
The harmonic current of generation pollutes power grid.
Summary of the invention
Place in view of the shortcomings of the prior art, the purpose of the present invention is to provide a kind of applied on frequency conversion refrigerator
PFC inductive circuit improves frequency conversion refrigerator power factor, reduces the pollution to power grid, while passing through product
Authenticate time-harmonic wave testing current.
The purpose of the invention is achieved by the following technical solution:
A kind of PFC inductive circuit applied on frequency conversion refrigerator, including the printing being set on frequency conversion refrigerator
Circuit board is electrically connected with the firewire and zero curve of AC power source input on the printed circuit board, is electrically connected on the printed circuit board
It connects and ballast is installed, the printed circuit board, which powers on, is connected and installed with PFC inductive circuit, the power factor
Correction inductive circuit includes enameled wire, pedestal and several magnetic cores, and all magnetic core overlappings are connected into magnetic core group, and four groups of enameled wires are flat
Row, which synchronizes, turns to enameled wire group, and four groups of enameled wires of the enameled wire group are serially connected, and there are two connect the enameled wire group tool
Line end, the enameled wire group of several the number of turns of coiling constitutes correction inductance outside magnetic core group, and the correction inductance and pedestal pass through glue
Stick is fixedly connected, and the pedestal is fixedly installed on printed circuit board；Two terminals of the enameled wire group are electrically connected respectively
Be connected on the firewire that AC power source on printed circuit board inputs or two terminals of the enameled wire group be electrically connected in
On the zero curve that AC power source inputs on printed circuit board.
In order to which the present invention is better achieved, the magnetic core is toroidal core, and four groups of enameled wires of the enameled wire group are distinguished
For first group of enameled wire, second group of enameled wire, third group enameled wire, the 4th group of enameled wire, the both ends of first group of enameled wire
End is respectively the first pin and the 8th pin, and the both ends end of second group of enameled wire is respectively that second pin and the 7th draw
Foot, the both ends end of the third group enameled wire are respectively third pin and the 6th pin, the both ends of the 4th group of enameled wire
End is respectively the 4th pin and the 5th pin, and first pin, second pin, third pin, the 4th pin, the 5th draw
Foot, the 6th pin, the 7th pin, the 8th pin are individually fixed on printed circuit board, and the second pin and the 8th pin are logical
Printed wiring electric connection is crossed, the third pin is electrically connected with the 7th pin by printed wiring, the 4th pin and the 6th
Pin is electrically connected by printed wiring, and first pin and the 5th pin are respectively two terminals of enameled wire group.
Preferably, the magnetic core is made of iron silicon materials, the magnetic core group is connected in series by two magnetic core overlappings.
Preferably, the adhesive is made of epoxy resin, the pedestal is made of epoxy plate material.
The present invention compared with the prior art, have the following advantages that and the utility model has the advantages that
The present invention improves frequency conversion refrigerator power factor, when reducing the pollution to power grid, while passing through product certification
Harmonic current test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that frequency conversion refrigerator of the present invention corrects inductance；
Fig. 2 is the pin schematic diagram that frequency conversion refrigerator of the present invention corrects inductance；
Fig. 3 is that frequency conversion refrigerator of the present invention correction inductance is located at the pin arrangement schematic diagram on printed circuit board.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
10- magnetic core, 20- enameled wire, 30- adhesive, 40- pedestal.
Specific embodiment
The present invention is described in further detail below with reference to embodiment:
Embodiment
As shown in FIG. 1 to 3, a kind of PFC inductive circuit applied on frequency conversion refrigerator, including be set to
Printed circuit board on frequency conversion refrigerator is electrically connected with the firewire and zero curve of AC power source input, printed circuit on printed circuit board
Plate, which powers on, is connected and installed with ballast, and printed circuit board, which powers on, is connected and installed with PFC inductive circuit, power factor
Correction inductive circuit includes enameled wire 20, pedestal 40 and several magnetic cores 10, and all magnetic cores 10, which are overlapped, is connected into magnetic core group, and four groups
20 parallel synchronous of enameled wire turns to enameled wire group, and four groups of enameled wires 20 of enameled wire group are serially connected, and enameled wire group has two
A terminals, the enameled wire group of several the number of turns of coiling constitutes correction inductance outside magnetic core group, and correction inductance passes through with pedestal 40
Adhesive 30 is fixedly connected, and pedestal 40 is fixedly installed on printed circuit board；Two terminals of enameled wire group are electrically connected
In on printed circuit board AC power source input firewire on or enameled wire group two terminals be electrically connected in printing electricity
On the zero curve that AC power source inputs on the plate of road.
Magnetic core 10 is toroidal core, and four groups of enameled wires 20 of enameled wire group are respectively first group of enameled wire, second group of enamel-cover
Line, third group enameled wire, the 4th group of enameled wire, the both ends end of first group of enameled wire are respectively the first pin and the 8th pin,
The both ends end of second group of enameled wire is respectively second pin and the 7th pin, and the both ends end of third group enameled wire is respectively
Three pins and the 6th pin, the both ends end of the 4th group of enameled wire are respectively the 4th pin and the 5th pin, the first pin, second
Pin, third 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 with the 8th pin by printed wiring, and third pin is electrically connected with the 7th pin by printed wiring
Logical, the 4th pin is electrically connected with the 6th pin by printed wiring, and the first pin and the 5th pin are respectively the two of enameled wire group
A terminals.
Magnetic core 10 of the invention is made of iron silicon materials, and magnetic core group is connected in series by two overlappings of magnetic core 10.
Adhesive 30 of the invention is made of epoxy resin, and pedestal 40 is made of epoxy plate material.
Magnetic core 10 of the invention uses iron silicon magnetic core, and the magnetic conductivity of magnetic core 10 is higher than the silicon steel core of traditional inductance, in phase
The enameled wire 20 of identical the number of turns with coiling on the magnetic core 10 of size, the iron silicon materials that the present embodiment is selected can achieve higher electricity
The PFC inductance frequency conversion refrigerator power factor of sensibility reciprocal, prior art is lower than 0.7, using the present embodiment frequency conversion refrigerator function
Rate factor 0.75~0.8.And the density of iron silicon magnetic core is less than silicon steel core, the magnetic core 10 of identical size, and the present embodiment is selected
Iron silicon materials quality be much smaller than existing PFC inductance, be readily transported.The present embodiment uses four groups of enameled wires 20
Coiling simultaneously, makes every group of enameled wire join end to end by printed board, avoids inductance interior welds, guarantees product quality.Exist simultaneously
In the case where ensureing that inductance requires, production efficiency is improved.
Frequency conversion refrigerator PFC inductance of the invention improves the power factor of frequency conversion refrigerator, reduces frequency conversion refrigerator
Pollution to power grid.The present invention can assemble on a printed circuit board, convenient for the installation and transport of product, be suitble in frequency conversion refrigerator
Upper popularization and application.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (3)
1. a kind of PFC inductive circuit applied on frequency conversion refrigerator, including the printing electricity being set on frequency conversion refrigerator
Road plate is electrically connected with the firewire and zero curve of AC power source input on the printed circuit board, is electrically connected on the printed circuit board
Ballast is installed, it is characterised in that: the printed circuit board, which powers on, is connected and installed with PFC inductive circuit, described
PFC inductive circuit includes enameled wire (20), pedestal (40) and several magnetic cores (10), all magnetic core (10) overlappings
It is connected into magnetic core group, four groups of enameled wire (20) parallel synchronous turn to enameled wire group, four groups of enameled wires of the enameled wire group
(20) it is serially connected, four groups of enameled wires (20) of the enameled wire group are respectively first group of enameled wire, second group of enameled wire, third
Group enameled wire, the 4th group of enameled wire, the both ends end of first group of enameled wire is respectively the first pin and the 8th pin, described
The both ends end of second group of enameled wire is respectively second pin and the 7th pin, the both ends end difference of the third group enameled wire
For third pin and the 6th pin, the both ends end of the 4th group of enameled wire is respectively the 4th pin and the 5th pin, described
First pin, second pin, third pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, the 8th pin are solid respectively
Due on printed circuit board, the second pin is electrically connected with the 8th pin by printed wiring, the third pin and the 7th
Pin is electrically connected by printed wiring, and the 4th pin is electrically connected with the 6th pin by printed wiring, first pin
It is respectively two terminals of enameled wire group with the 5th pin, the enameled wire group of several the number of turns of coiling constitutes school outside magnetic core group
Positive inductance, the correction inductance are fixedly connected with pedestal (40) by adhesive (30), and the pedestal (40) is fixedly installed in print
On circuit board processed；Two terminals of the enameled wire group are electrically connected the firewire inputted in AC power source on printed circuit board
Or on zero curve.
2. a kind of PFC inductive circuit applied on frequency conversion refrigerator described in accordance with the claim 1, feature exist
In: the magnetic core (10) is made of iron silicon materials, and the magnetic core group is connected in series by two magnetic core (10) overlappings.
3. a kind of PFC inductive circuit applied on frequency conversion refrigerator described in accordance with the claim 1, feature exist
In: the adhesive (30) is made of epoxy resin, and the pedestal (40) is made of epoxy plate material.
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 CN106385172A (en) | 2017-02-08 |
| CN106385172B true 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) |
Families Citing this family (2)
| 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 (2)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202134312U (en) * | 2010-12-08 | 2012-02-01 | 番禺得意精密电子工业有限公司 | Inductor |
-
2016
- 2016-11-21 CN CN201611066234.1A patent/CN106385172B/en active Active
Patent Citations (2)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106385172A (en) | 2017-02-08 |
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