CN102006004A - Single phase fan frequency-conversion power-saving device - Google Patents
Single phase fan frequency-conversion power-saving device Download PDFInfo
- Publication number
- CN102006004A CN102006004A CN201010519232XA CN201010519232A CN102006004A CN 102006004 A CN102006004 A CN 102006004A CN 201010519232X A CN201010519232X A CN 201010519232XA CN 201010519232 A CN201010519232 A CN 201010519232A CN 102006004 A CN102006004 A CN 102006004A
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase
- single phase
- power
- fan
- 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
Links
Images
Landscapes
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a single phase fan frequency-conversion power-saving device and belongs to the technical field of electromotor energy-saving control. The power-saving device comprises a running parameter detecting circuit (10), a single phase rectification circuit (20), a charging circuit (30), a battery (40), a battery switch (50), a single phase inverter (60), a capacitor (70), a control circuit (80) and a single phase power supply contactor (90). When the single phase fan frequency-conversion power-saving device of the invention is applied to a fan having an alternated current electromotor, the speed-adjusting power-saving method and the power-saving method of peak-reducing and valley-filling in power grid can be performed at the same time, which can save 20% to 90% of power. The single phase fan frequency-conversion power-saving device is simple in structure, is direct in measurement, has obvious power-saving effect and has wide application prospect in fan power-saving field.
Description
Technical field
The present invention relates to single-phase fan frequency conversion electricity-saving appliance, belong to energy saving motor control technology field, be specifically related to a kind of variable speed energy saving and these two kinds of power control units that power-economizing method economizes on electricity of electrical network peak load shifting realized simultaneously.Be applicable on the blower fan that has single-phase AC motor.
Background technology
Along with progress, the development of science and technology of society, the positive growing tension of 21 century global energy, China is again energy resource consumption big country, energy-conservation economize on electricity is imperative.
Therefore, it is necessary blower fan being carried out power-saving Retrofit.
At present, a lot of occasions are arranged, the single-phase AC motor blower fan does not adopt power-saving technology that it is carried out reducing energy consumption, or only just frequency converter has been installed simply its speed fixedly is reduced to certain value and does not carry out dynamic adjustments.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned waste of energy of the prior art, provide a kind of simple and practical, cost is lower, can fully automatic operation, the significant single-phase fan frequency conversion electricity-saving appliance of power savings.
In order to realize that the foregoing invention purpose adopts following technical scheme:
Single-phase fan frequency conversion electricity-saving appliance of the present invention comprises fan operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90).The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with fan operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the blower fan alternating current motor, and fan operation parameter detecting circuit (10) is connected with transducer on being installed on blower fan.
Adopted the single-phase fan frequency conversion electricity-saving appliance of this invention, can realize simultaneously that the dynamic speed adjustment of blower fan is energy-conservation and the electrical network peak load shifting is carried out these two kinds of power-economizing methods of electric power storage energy storage to economize on electricity.When this battery saving arrangement is applied on the blower fan of not making similar power-saving Retrofit, generally can obtain 20%～90% power savings, electricity-saving appliance of the present invention does not influence the use of blower fan operate as normal simultaneously, simple installation, possess good economic benefit and social benefit, and simple and practical, and cost is lower, can fully automatic operation, power savings is remarkable.Be with a wide range of applications aspect energy-conservation at blower fan.
Description of drawings
Accompanying drawing is the operation principle block diagram of single-phase fan frequency conversion electricity-saving appliance of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
Consult shown in the accompanying drawing, with be applied to 220V, a 50HZ, blower fan single-phase, 1.5KW is reference, this single-phase fan frequency conversion electricity-saving appliance comprises fan operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90).The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with fan operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the blower fan alternating current motor, and fan operation parameter detecting circuit (10) is connected with transducer on being installed on blower fan.
Simultaneously, the power device that is comprised in the single-phase inverter (60) in this single-phase fan frequency conversion electricity-saving appliance can be V-type groove metal-oxide-semiconductor field effect transistor (VMOS), igbt (IGBT), integral gate change transistor (IGCT), smart power switch device and drive circuit integration module (IPM) or intelligent power integrated circuit (SPIC).
The 220V50HZ power supply is linked into charging circuit (30) and single phase rectifier circuit (20) through single phase poaer supply contactor (90), when electricity price electricity price at a low ebb at 22 (being generally in evening to point on daytimes 8), charging circuit (30) puts into operation, charge for battery (40), cell switch this moment (50) disconnects.Civil power becomes direct current by single phase rectifier circuit (20), through single-phase inverter (60) direct current is converted into the alternating current of frequency adjustable, and this alternating current is sent to blower fan, the different speed of the corresponding blower fan of different frequencies.Control circuit (80) receives the feedback signal of fan operation parameter detecting circuit (10) in real time, and through after the computing, to single-phase inverter (60), the corresponding frequency of single-phase inverter (60) output arrives blower motor with the output speed signal.Blower motor speed descends, and will cause fan energy consumption to decline to a great extent.
When electricity price is in peak when electricity (be generally daytime to point in evenings 22) at 8, charging circuit (30) automatic disconnection, carry out direct current supply for single-phase inverter (60) by battery (40) by cell switch (50), at this moment, single phase rectifier circuit (20) automatic disconnection, the direct current that battery (40) provides is converted into the alternating current of frequency adjustable through single-phase inverter (60) with direct current, and this alternating current is sent to blower fan, the different speed of the corresponding blower fan of different frequencies.Control circuit (80) receives the feedback signal of fan operation parameter detecting circuit (10) in real time, and through after the computing, to single-phase inverter (60), the corresponding frequency of single-phase inverter (60) output arrives blower motor with the output speed signal.Blower motor speed descends, and will cause fan energy consumption to decline to a great extent.
For the blower fan of this 220V, 50HZ, single-phase, 1.5KW, motor speed can be regulated according to fan operation parameter detecting circuit (10), and energy consumption can significantly reduce.Because electric power low ebb electricity price is cheap more a lot of than peak electricity tariff, when being in electric power low ebb electricity price, single-phase fan frequency conversion electricity-saving appliance of the present invention can be to battery (40) charging accumulation of energy simultaneously; When being in the electric power peak electricity tariff, single-phase fan frequency conversion electricity-saving appliance of the present invention can discharge so that the peak electricity consumption has been avoided in the blower fan normal operation from battery (40), and the actual electricity charge wholesale of paying is reduced.
Adopted the single-phase fan frequency conversion electricity-saving appliance of this invention, can realize simultaneously that the dynamic speed adjustment of blower fan is energy-conservation and the electrical network peak load shifting is carried out these two kinds of power-economizing methods of electric power storage energy storage to economize on electricity.When this battery saving arrangement is applied on the blower fan of not making similar power-saving Retrofit, generally can obtain 20%～90% power savings, electricity-saving appliance of the present invention does not influence the use of blower fan operate as normal simultaneously, simple installation, possess good economic benefit and social benefit, and simple and practical, and cost is lower, can fully automatic operation, power savings is remarkable.Be with a wide range of applications aspect energy-conservation at blower fan.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion and not deviate from the spirit and scope of the present invention at single-phase blower fan obviously.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (2)
1. a single-phase fan frequency conversion electricity-saving appliance comprises fan operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90).The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with fan operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the blower fan alternating current motor, and fan operation parameter detecting circuit (10) is connected with transducer on being installed on blower fan.
2. single-phase fan frequency conversion electricity-saving appliance according to claim 1 is characterized in that: the power device in the described single-phase inverter (60) is V-type groove metal-oxide-semiconductor field effect transistor (VMOS), igbt (IGBT), integral gate change transistor (IGCT), smart power switch device and drive circuit integration module (IPM) or intelligent power integrated circuit (SPIC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010519232XA CN102006004A (en) | 2010-10-25 | 2010-10-25 | Single phase fan frequency-conversion power-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010519232XA CN102006004A (en) | 2010-10-25 | 2010-10-25 | Single phase fan frequency-conversion power-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102006004A true CN102006004A (en) | 2011-04-06 |
Family
ID=43813131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010519232XA Pending CN102006004A (en) | 2010-10-25 | 2010-10-25 | Single phase fan frequency-conversion power-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102006004A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967145A (en) * | 2015-07-06 | 2015-10-07 | 远东电器集团有限公司 | Energy-efficient blower fan control device and method |
| CN105896583A (en) * | 2016-06-16 | 2016-08-24 | 任磊 | Peak load shifting and power quality comprehensive treatment system and working method thereof |
-
2010
- 2010-10-25 CN CN201010519232XA patent/CN102006004A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967145A (en) * | 2015-07-06 | 2015-10-07 | 远东电器集团有限公司 | Energy-efficient blower fan control device and method |
| CN105896583A (en) * | 2016-06-16 | 2016-08-24 | 任磊 | Peak load shifting and power quality comprehensive treatment system and working method thereof |
| CN105896583B (en) * | 2016-06-16 | 2019-04-23 | 任磊 | A kind of peak load shifting and power quality harnessed synthetically system and its working method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201699603U (en) | High frequency power supply for monocrystalline silicon furnace | |
| CN101961912A (en) | Variable-frequency power saver of single-phase injection molding machine | |
| CN206619912U (en) | A kind of novel energy saver of using electricity in off-peak hours | |
| CN202024430U (en) | Solar air conditioner | |
| CN102006004A (en) | Single phase fan frequency-conversion power-saving device | |
| CN204258406U (en) | The electric automobile charge-discharge machine of the wide output area of a kind of low-voltage | |
| CN201789203U (en) | Power distribution cabinet | |
| CN102035462A (en) | Three-phase fan frequency conversion power saver | |
| CN201528279U (en) | Alternating-current power unit changing single phase into three phases | |
| CN201918739U (en) | Energy-storage-type electricity-saving control device of water pump | |
| CN201766550U (en) | Three-phase air compressor frequency conversion energy economizer | |
| CN201766551U (en) | Single-phase air compressor frequency conversion energy economizer | |
| CN201846306U (en) | Variable frequency energy saver of three-phase fan | |
| CN201910766U (en) | Frequency-conversion electricity saver for single phase fan | |
| CN201766552U (en) | Single-phase water pump frequency conversion energy economizer | |
| CN201766554U (en) | Three-phase water pump frequency conversion energy economizer | |
| CN201118460Y (en) | A reverse power supply | |
| CN201956967U (en) | Variable-frequency energy storage power saving device of three phase injection molding machine | |
| CN201846305U (en) | Frequency conversion energy saver of three-phase injection molding machine | |
| CN201824540U (en) | Variable frequency electricity economizer of single-phase injection molding machine | |
| CN203313115U (en) | High power vector inversion control device | |
| CN101977018A (en) | Frequency-conversion power saver for three-phase bender | |
| CN204721028U (en) | A kind of Solar-energy elevator control system | |
| CN204156541U (en) | A kind of microcomputer controlled photovoltaic synchronization inverter system | |
| CN203086140U (en) | Intelligent electricity-saving controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110406 |