CN205335855U - Domestic appliance intelligence electrical power generating system - Google Patents
Domestic appliance intelligence electrical power generating system Download PDFInfo
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- CN205335855U CN205335855U CN201520832443.7U CN201520832443U CN205335855U CN 205335855 U CN205335855 U CN 205335855U CN 201520832443 U CN201520832443 U CN 201520832443U CN 205335855 U CN205335855 U CN 205335855U
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- 238000005070 sampling Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 abstract description 4
- 238000000691 measurement method Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a domestic appliance intelligence electrical power generating system, including controller, comparator, touch screen module, current -voltage sampling module, PFC control module, boost circuit and rectifier circuit, overcurrent protection drive module, touch screen module, comparator, boost circuit and voltage current sample module are connected respectively to the controller, and voltage current sample module is still connected to the comparator, and current -voltage 2, rectifier circuit and overcurrent protection module are still connected respectively to voltage current sample module, and the overcurrent protection drive module other end is still connected to the overcurrent protection module. The utility model discloses the system adopts the phase difference measurement method, and the voltage surveyed the vice frontier inspection of isolation transformer respectively promptly, current signal be earlier through the comparator plastic, then obtains the phase difference of voltage electric current through calculation, send the entry control ware to carry out the cosine operation again, can obtain the power factor of system, the precision method such as passes through and surveys looks, can reach very high accuracy, and system simple structure is small, with low costs.
Description
Technical field
This utility model relates to a kind of power-supply system, specifically a kind of household electrical appliance intelligent power system。
Background technology
Development along with electron electric power technology, it is desirable to the power supply of electronic devices and components is more and more harsher。It is all directly obtain from civil power that general components and parts are powered, but owing to the input impedance of electrical network is capacitive, and a large amount of rectification circuit causes and there is bigger phase contrast between electrical network net side input voltage and input current, and input current is pulse type, harmonic component is significantly high, severe jamming power system。It is reported that present stage general electrical network net side power factor is about 0.65, therefore, high efficiency utilizes the energy, improves electrical source power factor very urgent。
Present stage PFC PFC (PowerFactorCorrection) is divided into active with passive type two kinds。Passive PFC simple in construction, the principle can not suddenlyd change mainly by inductance coil internal current regulates the voltage in circuit and current and phase difference, thus changing power factor, but its structure bulky, it is easily generated low-frequency noise and maximum power factor can only 70%。Active PFC is generally active power factor adjustment, can simply be summarized as step-up switching power supply circuit, have volume little, input voltage width and power factor advantages of higher, and power factor can close to 100%。Existing a lot of excessively complicated with the power supply architecture of active PFC, cause that power volume is relatively big, cost is high, and impact uses to be promoted。
Utility model content
The purpose of this utility model is in that to provide a kind of household electrical appliance intelligent power system adopting active PFC, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, this utility model provides following technical scheme:
A kind of household electrical appliance intelligent power system, including controller, comparator, touch screen module, current-voltage sampling module, PFC control module, booster circuit and rectification circuit, described controller connects overcurrent protection respectively and drives module, touch screen module, comparator, booster circuit and voltage x current sampling module, comparator is also connected with voltage x current sampling module, voltage x current sampling module is also respectively connected with isolating transformer, rectification circuit and overcurrent protection module, overcurrent protection module is also connected with overcurrent protection and drives the module other end, described isolating transformer is also connected with autotransformer, autotransformer is also connected with ac input end, described booster circuit is also respectively connected with voltage x current sampling module and PFC control module, voltage x current sampling module is also respectively connected with the PFC control module other end and load。
As further program of the utility model: described controller adopts MSP430F449。
As further program of the utility model: described comparator adopts two-way comparator LM393。
As this utility model further scheme: described PFC control module adopts UCC28019。
Compared with prior art, the beneficial effects of the utility model are: this utility model system adopts phase difference measurement method, and the voltage, the current signal that namely respectively isolating transformer secondary are detected first through comparator shaping, then pass through and calculate the phase contrast obtaining voltage x current, it is re-fed into controller and carries out cos operation, the power factor of system can be obtained, survey phase by equally accurate method, significantly high precision can be reached, it is thus possible to meet system requirements very well, system structure is simple, and volume is little, and cost is low。
Accompanying drawing explanation
Fig. 1 is the circuit structure schematic diagram of household electrical appliance intelligent power system。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described。
Such as Fig. 1, in this utility model embodiment, a kind of household electrical appliance intelligent power system, including controller, comparator, touch screen module, current-voltage sampling module, PFC control module, booster circuit and rectification circuit, controller connects overcurrent protection respectively and drives module, touch screen module, comparator, booster circuit and voltage x current sampling module, comparator is also connected with voltage x current sampling module, voltage x current sampling module is also respectively connected with isolating transformer, rectification circuit and overcurrent protection module, overcurrent protection module is also connected with overcurrent protection and drives the module other end, described isolating transformer is also connected with autotransformer, autotransformer is also connected with ac input end, described booster circuit is also respectively connected with voltage x current sampling module and PFC control module, voltage x current sampling module is also respectively connected with the PFC control module other end and load。
Controller adopts MSP430F449。
Comparator adopts two-way comparator LM393。
PFC control module adopts UCC28019。
Operation principle of the present utility model is: adopt MSP430F449 for controlling and arithmetic core; survey phase method by equally accurate and measure the power factor of system; PFC control module is then with UCC28019 for core; hardware circuit is utilized to form closed-loop feedback circuit; monitor output voltage, electric current in real time; MSP430F449 provides signal to drive overcurrent protection to drive the relay of module and sampling and display voltage x current; touch screen is utilized to select various functions; touch screen shows each operation data in real time, and man machine interface is friendly。
Exporting electric current by controller real-time sampling, Single-chip Controlling overcurrent protection drives the relay of module to make it disconnect when current is excessive, system cut-off；When after failture evacuation, detected current value is less than predetermined value, controller again sends instructions and makes relay close, and circuit is normal operation again。
System adopts phase difference measurement method, and the voltage, the current signal that namely respectively isolating transformer secondary are detected first through comparator shaping, then pass through and calculate the phase contrast obtaining voltage x current, be re-fed into controller and carry out cos operation, can obtain the power factor of system。Survey phase by equally accurate method, significantly high precision can be reached, it is thus possible to meet system requirements very well。
CCM mode PFC controller UCC28019 is selected to realize final PFC; this device adopts soft start mechanism; dynamic response is good; input undervoltage protection can be realized in conjunction with peripheral circuit; open loop is protected; output over-voltage protection, the soft function such as flow control (SOC) and peak point current restriction excessively。
Claims (4)
1. a household electrical appliance intelligent power system, including controller, comparator, touch screen module, current-voltage sampling module, PFC control module, booster circuit and rectification circuit, it is characterized in that: described controller connects overcurrent protection respectively and drives module, touch screen module, comparator, booster circuit and voltage x current sampling module, comparator is also connected with voltage x current sampling module, voltage x current sampling module is also respectively connected with isolating transformer, rectification circuit and overcurrent protection module, overcurrent protection module is also connected with overcurrent protection and drives the module other end, described isolating transformer is also connected with autotransformer, autotransformer is also connected with ac input end, described booster circuit is also respectively connected with voltage x current sampling module and PFC control module, voltage x current sampling module is also respectively connected with the PFC control module other end and load。
2. household electrical appliance intelligent power system according to claim 1, it is characterised in that described controller adopts MSP430F449。
3. household electrical appliance intelligent power system according to claim 1, it is characterised in that described comparator adopts two-way comparator LM393。
4. household electrical appliance intelligent power system according to claim 1, it is characterised in that described PFC control module adopts UCC28019。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832443.7U CN205335855U (en) | 2015-10-26 | 2015-10-26 | Domestic appliance intelligence electrical power generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832443.7U CN205335855U (en) | 2015-10-26 | 2015-10-26 | Domestic appliance intelligence electrical power generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335855U true CN205335855U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520832443.7U Expired - Fee Related CN205335855U (en) | 2015-10-26 | 2015-10-26 | Domestic appliance intelligence electrical power generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335855U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411157A (en) * | 2016-11-20 | 2017-02-15 | 广西大学 | Power supply suitable for electronic information system |
| CN106546812A (en) * | 2017-01-16 | 2017-03-29 | 黄河科技学院 | A kind of electronic communication electric power system |
| CN106708164A (en) * | 2017-02-10 | 2017-05-24 | 珠海凌达压缩机有限公司 | Power factor correction circuit structure, control method and electric appliance |
| CN106793254A (en) * | 2016-11-28 | 2017-05-31 | 沧州师范学院 | A kind of intelligent LED drive dynamic control device |
| CN113572388A (en) * | 2021-07-30 | 2021-10-29 | 浙江理工大学 | Piezoelectric energy collecting device and control method |
-
2015
- 2015-10-26 CN CN201520832443.7U patent/CN205335855U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411157A (en) * | 2016-11-20 | 2017-02-15 | 广西大学 | Power supply suitable for electronic information system |
| CN106793254A (en) * | 2016-11-28 | 2017-05-31 | 沧州师范学院 | A kind of intelligent LED drive dynamic control device |
| CN106546812A (en) * | 2017-01-16 | 2017-03-29 | 黄河科技学院 | A kind of electronic communication electric power system |
| CN106708164A (en) * | 2017-02-10 | 2017-05-24 | 珠海凌达压缩机有限公司 | Power factor correction circuit structure, control method and electric appliance |
| CN106708164B (en) * | 2017-02-10 | 2018-11-02 | 珠海凌达压缩机有限公司 | Power factor correction circuit structure, control method and electric appliance |
| CN113572388A (en) * | 2021-07-30 | 2021-10-29 | 浙江理工大学 | Piezoelectric energy collecting device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Chunlei Inventor after: Liu Bin Inventor before: Xu Chunlei |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160729 Address after: 102200 Beijing city Changping District, Zhu Daxinzhuang Patentee after: North China Electric Power University Address before: 102200, 2, Changping District, Huilongguan, Beijing Town Road No. 1301 Patentee before: Xu Chunlei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |