CN2842836Y - A kind of electricity-saving appliance with intelligent powerless compensation function - Google Patents
A kind of electricity-saving appliance with intelligent powerless compensation function Download PDFInfo
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- CN2842836Y CN2842836Y CN 200520066901 CN200520066901U CN2842836Y CN 2842836 Y CN2842836 Y CN 2842836Y CN 200520066901 CN200520066901 CN 200520066901 CN 200520066901 U CN200520066901 U CN 200520066901U CN 2842836 Y CN2842836 Y CN 2842836Y
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Abstract
The utility model relates to a kind of electricity-saving appliance, especially a kind of electricity-saving appliance with intelligent powerless compensation function.It comprises electricity-saving appliance circuit and the capacitor in parallel with the electricity-saving appliance circuit, of the present utility model being characterised in that: the electricity-saving appliance circuit is made up of voltage-regulation voltage-stabilization control system and economize on electricity control module, the control module of wherein economizing on electricity is made up of single-chip microcomputer, sample circuit, drive circuit and A.C. contactor, and the output of voltage-regulation voltage-stabilization control system is in parallel with controlled capacitors.The utility model has the advantages that by calculating power factor of electric network, control the switching of A.C. contactor again according to result of calculation, to reach the switching of control capacitor, carry out reactive power compensation in various degree, make compensation effect dynamic and reasonable, the overcompensation phenomenon can not appear under the light load situation, to avoid power loss and electric network pollution.
Description
Technical field
The utility model relates to a kind of electricity-saving appliance, especially a kind of electricity-saving appliance with intelligent powerless compensation function.
Background technology
At present, along with the continuous progress and development of society, the utilization rate of electric equipment products is more and more higher.And the electric energy nervous shortage that seems day by day so saves energy just becomes the big hot topic problem in the society now, many electricity-saving appliance products also occurred thereupon.The general structure of these electricity-saving appliance products is to reduce reactive power, the power factor (PF) of raising electrical network by shunt capacitor.But this structure still exists some shortcomings, and for example under the situation of light load, too much or inadequately shunt capacitor can cause overcompensation, send capacitive reactive power to cause power loss to increase and causes electric network pollution.
In this case, research and develop a kind of actual conditions according to electrical network and load, dynamically reasonably shunt capacitor has become a kind of society need with the electricity-saving appliance that carries out effective reactive power compensation.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, a kind of electricity-saving appliance with intelligent powerless compensation function is provided, function of the present utility model is special, it can be according to the actual conditions of electrical network and load, dynamically reasonably shunt capacitor carrying out effective reactive power compensation, and reliability height.
The purpose of this utility model is achieved by following technical proposals.
A kind of electricity-saving appliance of the utility model with intelligent powerless compensation function, it comprises electricity-saving appliance circuit and the capacitor in parallel with the electricity-saving appliance circuit, of the present utility model being characterised in that: the electricity-saving appliance circuit is made up of voltage-regulation voltage-stabilization control system and economize on electricity control module, the control module of wherein economizing on electricity is made up of single-chip microcomputer, sample circuit, drive circuit and A.C. contactor, and the output of voltage-regulation voltage-stabilization control system is in parallel with controlled capacitors.Gather three-phase voltage and electric current by sample circuit, be sent to single-chip microcomputer again and carry out power factor (PF) calculating, single-chip microcomputer is according to result calculated then, switching by drive circuit control A.C. contactor, to reach the switching of control capacitor, carry out reactive power compensation in various degree, make compensation effect dynamic and reasonable, the overcompensation phenomenon can not occur.
Described single-chip microcomputer model is ATMEGA8L.
Described controlled capacitors is connected with A.C. contactor, and capacitor is by the open and close controlling switch of A.C. contactor.Described sample circuit and instrument transformer are electrically connected, and sample circuit is gathered current electric current by instrument transformer.
A kind of design focal point with electricity-saving appliance of intelligent powerless compensation function of the utility model is:
Utilize economize on electricity control module and voltage-regulation voltage-stabilization control system, and the common built-up circuit of controlled capacitors that is in parallel with voltage-regulation voltage-stabilization control system output, realize dynamic and rational reactive power compensation, the control module of wherein economizing on electricity is made up of single-chip microcomputer, sample circuit, drive circuit and A.C. contactor.The switch and the various operating state of this section appliance circuit control entire product are sent every intelligentized instruction to the voltage-regulation voltage-stabilization control system, make the voltage-regulation voltage-stabilization control system adjust voltage stabilizing to light fixture voltage according to current actual conditions.
The utility model has the advantages that by calculating power factor of electric network, control the switching of A.C. contactor again according to result of calculation, to reach the switching of control capacitor, carry out reactive power compensation in various degree, make compensation effect dynamic and reasonable, the overcompensation phenomenon can not appear under the light load situation, to avoid power loss and electric network pollution.
Be familiar with this operator and can understand feature of the present utility model and purpose and effect really for making, preferred embodiment is described in detail to the utility model below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the block diagram of a kind of electricity-saving appliance of prior art;
Fig. 2 is a kind of electricity-saving appliance circuit diagram with intelligent powerless compensation function of the utility model.
The drawing reference numeral explanation:
1, electricity-saving appliance circuit 10, economize on electricity control module 11, single-chip microcomputer
12, sample circuit 13, drive circuit 20, voltage-regulation voltage-stabilization control system
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
In the prior art schematic diagram of Fig. 1, electricity-saving appliance circuit 1 to reduce reactive power, improves the power factor (PF) of electrical network by shunt capacitor C1～Cn, and FU1～Fun wherein is a fuse.This structure is under the situation of light load, and too much or inadequately shunt capacitor can cause overcompensation, send capacitive reactive power to cause power loss to increase and causes electric network pollution.
Fig. 2 is a kind of electricity-saving appliance circuit diagram with intelligent powerless compensation function of the utility model, the electricity-saving appliance circuit is made up of voltage-regulation voltage-stabilization control system 20 and economize on electricity control module 10 in the drawings, the control module of wherein economizing on electricity 10 is made up of single-chip microcomputer 11, sample circuit 12, drive circuit 13 and A.C. contactor K1～Kn, and the output of voltage-regulation voltage-stabilization control system 20 is in parallel with controlled capacitors C1～Cn.Gather three-phase voltage and electric current (sample circuit 12 is gathered current electric current by instrument transformer ASI) by sample circuit 12, be sent to single-chip microcomputer 11 again and carry out power factor (PF) calculating, single-chip microcomputer 11 is according to result calculated then, switching by drive circuit 13 control A.C. contactor K1～Kn, to reach the switching of control capacitor C1～Cn, carry out reactive power compensation in various degree, make compensation effect dynamic and reasonable, the overcompensation phenomenon can not occur.The model of single-chip microcomputer 11 is ATMEGA8L in the present embodiment.
The above, it only is a kind of preferred embodiment of the utility model with electricity-saving appliance of intelligent powerless compensation function, be not that technical scope of the present utility model is imposed any restrictions, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any trickle modification, equivalent variations and modification that embodiment did.
Claims (4)
1, a kind of electricity-saving appliance with intelligent powerless compensation function, it comprises electricity-saving appliance circuit and the capacitor in parallel with the electricity-saving appliance circuit, of the present utility model being characterised in that: the electricity-saving appliance circuit is made up of voltage-regulation voltage-stabilization control system and economize on electricity control module, the control module of wherein economizing on electricity is made up of single-chip microcomputer, sample circuit, drive circuit and A.C. contactor, and the output of voltage-regulation voltage-stabilization control system is in parallel with controlled capacitors.
2, a kind of electricity-saving appliance with intelligent powerless compensation function according to claim 1 is characterized in that described single-chip microcomputer model is ATMEGA8L.
3, a kind of electricity-saving appliance with intelligent powerless compensation function according to claim 1 is characterized in that described controlled capacitors connects with A.C. contactor.
4, a kind of electricity-saving appliance with intelligent powerless compensation function according to claim 1 is characterized in that described sample circuit and instrument transformer are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520066901 CN2842836Y (en) | 2005-11-11 | 2005-11-11 | A kind of electricity-saving appliance with intelligent powerless compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520066901 CN2842836Y (en) | 2005-11-11 | 2005-11-11 | A kind of electricity-saving appliance with intelligent powerless compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842836Y true CN2842836Y (en) | 2006-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520066901 Expired - Fee Related CN2842836Y (en) | 2005-11-11 | 2005-11-11 | A kind of electricity-saving appliance with intelligent powerless compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842836Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143910A1 (en) * | 2010-05-18 | 2011-11-24 | 天宝电子（惠州）有限公司 | Current-controlled phase-shift energy saving circuit |
-
2005
- 2005-11-11 CN CN 200520066901 patent/CN2842836Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143910A1 (en) * | 2010-05-18 | 2011-11-24 | 天宝电子（惠州）有限公司 | Current-controlled phase-shift energy saving circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20121111 |