CN103645766B - Electricity-saving device and electricity-saving system - Google Patents
Electricity-saving device and electricity-saving system Download PDFInfo
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- CN103645766B CN103645766B CN201310717717.3A CN201310717717A CN103645766B CN 103645766 B CN103645766 B CN 103645766B CN 201310717717 A CN201310717717 A CN 201310717717A CN 103645766 B CN103645766 B CN 103645766B
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Abstract
The invention discloses an electricity-saving device and an electricity-saving system. The electricity-saving device comprises a power regulating unit, a power driving unit, a power switching unit, a voltage and current detecting unit and an electricity-saving contactor, wherein the voltage and current detecting unit is in electric connection with the power regulating unit; the power regulating unit is in electric connection with the power driving unit; the power driving unit is connected with the power switching unit; the voltage and current detecting unit detects the current value conveyed to a circuit of electric equipment and sends the current value to the power regulating unit; the power regulating unit obtains the current variation value of the circuit of the electric equipment in the future operation and the predicted power of the electric equipment according to the current value and acquires a control command according to the current variation value; after receiving the control command, the power driving unit controls the output power of the power switching unit to be the same as the predicted power, so that the electrical energy conveyed to the electric equipment is the same as the electrical energy consumed by the electric equipment within a period of time in the future, waste of electrical energy is avoided, and accordingly, electrical energy is saved.
Description
Technical field
The present invention relates to electric device technical field, in particular to battery saving arrangement and power saving apparatus.
Background technology
Along with development and the socioeconomic growth at full speed of science and technology, each electric appliances enters huge numbers of families and factory one after another.So power load continues to increase, the maintenance of electric cost expenditure, electric equipment and update cost are also improving constantly.How could using electricity wisely to greatest extent, reduce electric cost expenditure, protective device equipment, extend the eager desire having become each family and factory serviceable life of electric equipment.
For a factory, the equipment of factory is when full load is run by day, and power delivery circuit flows to the fixing electric energy of factory, to meet the normal operation of shop equipment.But after the equipment component of factory is shut down at night, the electric energy that power delivery circuit flows to factory is constant, and at this moment electric energy is by surplus, makes electric energy be consumed on transmission line of electricity.Namely the electric energy flowing to consumer at present cannot adjust the electric energy size of conveying in good time according to the ruuning situation of equipment.
Summary of the invention
The object of the present invention is to provide battery saving arrangement and power saving apparatus, to solve the above problems.
Provide a kind of battery saving arrangement in an embodiment of the present invention, comprise power adjustment unit, power drive unit, power switch unit, measure voltage & current unit and electric-saving contactor; Power switch unit, measure voltage & current unit and electric-saving contactor are connected on the circuit that is connected with consumer successively; Measure voltage & current unit is electrically connected with power adjustment unit, for detecting the current value of the circuit be connected with consumer, and the current value of detection is sent to power adjustment unit; Power adjustment unit is electrically connected with power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to power drive unit sending controling instruction; Power drive unit is connected with power switch unit, for controlling the output power of power switch unit according to the steering order received, makes the output power of power switch unit consistent with predicted power.
Further, this battery saving arrangement also comprises logical operation control module; Logical operation control module is connected with power adjustment unit and consumer respectively, for receiving the run signal that consumer sends, the realtime power of consumer is obtained according to run signal, and realtime power and predicted power are contrasted, and send the steering order obtained according to comparing result to power adjustment unit.
Further, this battery saving arrangement also comprises wireless transmission unit; Wireless transmission unit is electrically connected with logical operation control module.
Further, the circuit of consumer is also in series with isolating switch, inverter and direct current EMC unit successively; Direct current EMC unit is connected with power switch unit and power drive unit respectively.
Further, the circuit of consumer is also in series with AC reactor; AC reactor is connected with the input end of isolating switch.
Preferably, measure voltage & current unit is Hall current detecting sensor.
Preferably, the current value of reception is obtained current variation value and the predicted power of future time instance by power adjustment unit by Kalman filtering computing estimation.
The embodiment of the present invention also provides a kind of power saving apparatus, comprises above-mentioned battery saving arrangement, consumer; The power switch unit of battery saving arrangement, measure voltage & current unit and electric-saving contactor are connected on the circuit that is connected with consumer successively; Measure voltage & current unit is electrically connected with power adjustment unit, for detecting the current value of the circuit be connected with consumer, and the current value of detection is sent to power adjustment unit; Power adjustment unit is electrically connected with power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to power drive unit sending controling instruction; Power drive unit is connected with power switch unit, for controlling the output power of power switch unit according to the steering order received, makes the output power of power switch unit consistent with predicted power.
Further, this battery saving arrangement also comprises master control system; Battery saving arrangement also comprises logical operation control module and wireless transmission unit; Logical operation control module is connected with power adjustment unit and consumer respectively; Wireless transmission unit be electrically connected with logical operation control module and with master control system wireless connections.
Further, battery saving arrangement also comprises the isolating switch be connected on successively on the circuit of consumer, inverter and direct current EMC unit; Direct current EMC unit is connected with power switch unit and power drive unit respectively; The circuit of consumer is also in series with AC reactor; AC reactor is connected with the input end of isolating switch.
The battery saving arrangement that the embodiment of the present invention provides flows to the current value on the circuit of consumer by measure voltage & current unit inspection, then this current value is sent to power adjustment unit.Power adjustment unit obtains the consumer current variation value of circuit and predicted power of consumer when future time instance runs according to this current value, and obtains steering order according to this current variation value.After this steering order sends to power drive unit, the output power that power drive unit controls power switch unit is consistent with predicted power, make the electric energy flowing to consumer consistent with the electric energy that consumer consumes within following a period of time, avoid the waste of electric energy, thus saves energy.
Accompanying drawing explanation
Fig. 1 shows the circuit diagram of the battery saving arrangement of the embodiment of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
A battery saving arrangement as shown in Figure 1, comprises power adjustment unit 107, power drive unit 106, power switch unit 105, measure voltage & current unit 112 and electric-saving contactor 111; Power switch unit 105, measure voltage & current unit 112 and electric-saving contactor 111 are connected on the circuit that is connected with consumer 110 successively; Measure voltage & current unit 112 is electrically connected with power adjustment unit 107, for detecting the current value of the circuit be connected with consumer 110, and the current value of detection is sent to power adjustment unit 107; Power adjustment unit is electrically connected with power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to power drive unit sending controling instruction; Power drive unit is connected with power switch unit, for controlling the output power of power switch unit according to the steering order received, makes the output power of power switch unit consistent with predicted power.
The battery saving arrangement that the embodiment of the present invention provides flows to the current value on the circuit of consumer by measure voltage & current unit inspection, then this current value is sent to power adjustment unit.Power adjustment unit obtains the consumer current variation value of circuit and predicted power of consumer when future time instance runs according to this current value, and obtains steering order according to this current variation value.After this steering order sends to power drive unit, the output power that power drive unit controls power switch unit is consistent with predicted power, make the electric energy flowing to consumer consistent with the electric energy that consumer consumes within following a period of time, avoid the waste of electric energy, thus saves energy.
This battery saving arrangement can regulate effective utilization of electric energy, makes the power of consumer corresponding with operating mode at that time.Operating mode needs how many, and consumer provides how many, solves the problem of the on-the-spot low load with strong power of operating mode.
Further, this energy-saving device also comprises logical operation control module 109; Logical operation control module 109 is connected with power adjustment unit 107 and consumer 110 respectively, for receiving the run signal that consumer sends, the realtime power of consumer is obtained according to run signal, and realtime power and predicted power are contrasted, and send the steering order obtained according to comparing result to power adjustment unit.Particularly, may there is transshipping the factor waiting and affect consumer output power in consumer in operational process, in order to regulate the power input of consumer more accurately, the power input of consumer is mated with output power, this energy-saving device also comprises logical operation control module, the run signal of this logical operation control module real-time reception consumer, the realtime power of consumer output is obtained according to this run signal, then this realtime power and predicted power are contrasted, if realtime power is greater than predicted power, then logical operation control module is to power adjustment unit sending controling instruction, power adjustment unit is according to the output power of this steering order increasing power switch element, the output power of power switch unit and this logical operation control module is made to detect the realtime power obtained consistent, the power input of consumer is avoided to cause consumer to be shut down lower than output power, if realtime power is less than predicted power, then logical operation control module is to power adjustment unit sending controling instruction, power adjustment unit reduces the output power of power switch unit according to this steering order, make the output power of power switch unit and this logical operation control module detect the realtime power obtained consistent, avoid the power input of consumer to cause the waste of electric energy higher than output power.
It should be noted that, in the battery saving arrangement not having logical operation control module, realizing electricity-saving function is a kind of opened loop control, namely the current value only by measure voltage & current unit inspection estimates future time instance current variation value, consistent with predicted power with the output power realizing consumer, this opened loop control precision is low, cannot adjust the power input of consumer according to operating mode in real time.And employing; In the battery saving arrangement of logical operation control module, realizing electricity-saving function is a kind of closed-loop control, namely this battery saving arrangement also detects the run signal of consumer by logical operation control module, to form feedback, the power input of consumer is mated with output power.
Further, this battery saving arrangement also comprises wireless transmission unit 108; Wireless transmission unit 108 is electrically connected with logical operation control module 109.For some power consumptions rich and influential family (as steel mill), the power savings of battery saving arrangement is that they pay close attention to most, battery saving arrangement has been used, having saved how many electricity is that they want to pay close attention to most, therefore, the battery saving arrangement of the present embodiment also comprises information acquisition unit, can effective data acquisition be carried out when operating mode scene does not change its original consumer configuration and transmit (ammeter as old steel mill can not carry out data transmission etc.), the information acquisition unit that battery saving arrangement carries can compare with original information, improves the accuracy of information.In addition, the data of information acquisition unit collection can send to master control system by wireless transmission unit, just can displaying scene equipment operation situation constantly on the display screen of such master control system, power saving rate is how many, how many electricity are saved, save how many costs, bring how many economic worths.
Further, the circuit of consumer is also in series with isolating switch 102, inverter 103 and direct current EMC unit 104 successively; Direct current EMC unit 104 is connected with power switch unit 105 and power drive unit 106 respectively.Particularly, consumer can be connected on the three-phase circuit of 380V, after isolating switch adhesive, three-phase 380V AC rectification is direct current by inverter, direct current is after direct current EMC unit, the power factor of this battery saving arrangement can bring up to more than 95%, thus improves the effect of economize on electricity further.Direct current through direct current EMC unit flows to power drive unit and power switch unit respectively, and under the driving of power drive unit, DC inverter is three-phase alternating current and exports to consumer by electric-saving contactor by power switch unit.
In order to avoid impacting electrical network, the circuit of consumer is also in series with AC reactor 101; AC reactor 101 is connected with the input end of isolating switch 102.Namely AC reactor can suppress the humorous wave direction electrical network transmission of generation, reduces harmonic wave to the interference of consumer.In addition, this AC reactor can also improve the power factor (PF) of this battery saving arrangement further, makes the power savings of battery saving arrangement better.
Preferably, measure voltage & current unit is Hall current detecting sensor.
Preferably, the current value of reception is obtained current variation value and the predicted power of future time instance by power adjustment unit by Kalman filtering computing estimation.Wherein Kalman filtering computing is existing algorithm, but this algorithm is generally used in aviation, guided missile field.
The present embodiment also provides a kind of power saving apparatus, comprises above-mentioned battery saving arrangement, consumer; The power switch unit of battery saving arrangement, measure voltage & current unit and electric-saving contactor are connected on the circuit that is connected with consumer successively; Measure voltage & current unit is electrically connected with power adjustment unit, for detecting the current value of the circuit be connected with consumer, and the current value of detection is sent to power adjustment unit; Power adjustment unit is electrically connected with power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to power drive unit sending controling instruction; Power drive unit is connected with power switch unit, for controlling the output power of power switch unit according to the steering order received, makes the output power of power switch unit consistent with predicted power.
Along with the arrival in Internet of Things epoch, an equipment is incorporated to the important business that system pipe network becomes extremely urgent, wireless transmission unit can be accessed in existed system pipe network or energy management control system very easily by puppy parc and go so that respectively with electric unit more system effectively realize energy management.Particularly, this power saving apparatus also comprises master control system; Battery saving arrangement also comprises logical operation control module and wireless transmission unit; Logical operation control module is connected with power adjustment unit and consumer respectively; Wireless transmission unit be electrically connected with logical operation control module and with master control system wireless connections.
Preferably, battery saving arrangement also comprises the isolating switch be connected on successively on the circuit of consumer, inverter and direct current EMC unit; Direct current EMC unit is connected with power switch unit and power drive unit respectively; The circuit of consumer is also in series with AC reactor; AC reactor is connected with the input end of isolating switch.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each unit can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a battery saving arrangement, is characterized in that, comprises power adjustment unit, power drive unit, power switch unit, measure voltage & current unit and electric-saving contactor;
Described power switch unit, measure voltage & current unit and electric-saving contactor are connected on the circuit that is connected with consumer successively;
Described measure voltage & current unit is electrically connected with described power adjustment unit, for detecting the current value of the circuit be connected with consumer, and the current value of detection is sent to described power adjustment unit;
Described power adjustment unit is electrically connected with described power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to described power drive unit sending controling instruction;
Described power drive unit is connected with described power switch unit, for controlling the output power of described power switch unit according to the steering order received, makes the output power of described power switch unit consistent with predicted power.
2. battery saving arrangement according to claim 1, is characterized in that, also comprises logical operation control module;
Described logical operation control module is connected with described power adjustment unit and consumer respectively, for receiving the run signal that described consumer sends, the realtime power of consumer is obtained according to described run signal, and described realtime power and predicted power are contrasted, and send the steering order obtained according to comparing result to described power adjustment unit.
3. battery saving arrangement according to claim 2, is characterized in that, also comprises wireless transmission unit;
Described wireless transmission unit is electrically connected with described logical operation control module.
4. battery saving arrangement according to claim 3, is characterized in that, the circuit of described consumer is also in series with successively isolating switch, inverter and direct current EMC unit;
Described direct current EMC unit is connected with described power switch unit and power drive unit respectively.
5. battery saving arrangement according to claim 4, is characterized in that, the circuit of described consumer is also in series with AC reactor;
Described AC reactor is connected with the input end of described isolating switch.
6. the battery saving arrangement according to any one of claim 1-5, is characterized in that, described measure voltage & current unit is Hall current detecting sensor.
7. the battery saving arrangement according to any one of claim 1-5, is characterized in that, the current value of reception is obtained current variation value and the predicted power of future time instance by described power adjustment unit by Kalman filtering computing estimation.
8. a power saving apparatus, is characterized in that, comprises the battery saving arrangement according to any one of claim 1-7, consumer;
The power switch unit of described battery saving arrangement, measure voltage & current unit and electric-saving contactor are connected on the circuit that is connected with consumer successively;
Described measure voltage & current unit is electrically connected with described power adjustment unit, for detecting the current value of the circuit be connected with consumer, and the current value of detection is sent to described power adjustment unit;
Described power adjustment unit is electrically connected with described power drive unit, for obtaining current variation value and the predicted power of future time instance according to the current value estimation received, and according to this current variation value to described power drive unit sending controling instruction;
Described power drive unit is connected with described power switch unit, for controlling the output power of described power switch unit according to the steering order received, makes the output power of described power switch unit consistent with predicted power.
9. power saving apparatus according to claim 8, is characterized in that, also comprises master control system; Described battery saving arrangement also comprises logical operation control module and wireless transmission unit;
Described logical operation control module is connected with described power adjustment unit and consumer respectively;
Described wireless transmission unit be electrically connected with described logical operation control module and with described master control system wireless connections.
10. power saving apparatus according to claim 9, is characterized in that, described battery saving arrangement also comprises isolating switch, inverter and direct current EMC unit on the circuit being connected on described consumer successively;
Described direct current EMC unit is connected with described power switch unit and power drive unit respectively; The circuit of described consumer is also in series with AC reactor;
Described AC reactor is connected with the input end of described isolating switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310717717.3A CN103645766B (en) | 2013-12-23 | 2013-12-23 | Electricity-saving device and electricity-saving system |
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| CN201310717717.3A CN103645766B (en) | 2013-12-23 | 2013-12-23 | Electricity-saving device and electricity-saving system |
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| CN103645766A CN103645766A (en) | 2014-03-19 |
| CN103645766B true CN103645766B (en) | 2015-07-15 |
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| CN201310717717.3A Active CN103645766B (en) | 2013-12-23 | 2013-12-23 | Electricity-saving device and electricity-saving system |
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| CN107092299B (en) * | 2017-03-02 | 2018-08-31 | 中国航天空气动力技术研究院 | A kind of long range regulation apparatus and method of 1MW high frequency induction power supplies power |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2160990Y (en) * | 1992-12-17 | 1994-04-06 | 张世兴 | Multifunctional electricity-saving contactor |
| JP2002042459A (en) * | 2000-07-26 | 2002-02-08 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
| CN2783702Y (en) * | 2005-04-29 | 2006-05-24 | 董志方 | Automatic lamp light saving device |
| US8072256B2 (en) * | 2007-09-14 | 2011-12-06 | Mosaid Technologies Incorporated | Dynamic random access memory and boosted voltage producer therefor |
| CN201182025Y (en) * | 2008-02-28 | 2009-01-14 | 山东乐航节能科技股份有限公司 | Road lamp energy-saving group-control apparatus |
| CN203616685U (en) * | 2013-12-23 | 2014-05-28 | 中以环能（北京）科技有限公司 | Electricity-saving device and electricity-saving system |
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